From: "Fu, Siyuan" <siyuan.fu@intel.com>
To: "Ni, Ruiyu" <ruiyu.ni@intel.com>,
"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>
Cc: "Wu, Jiaxin" <jiaxin.wu@intel.com>, "Zeng, Star" <star.zeng@intel.com>
Subject: Re: [PATCH v1 6/7] MdeModulePkg: Delete the TCP/PXE/ISCSI drivers in MdeModulePkg.
Date: Wed, 31 Oct 2018 08:37:56 +0000 [thread overview]
Message-ID: <B1FF2E9001CE9041BD10B825821D5BC58B678ED6@SHSMSX103.ccr.corp.intel.com> (raw)
In-Reply-To: <734D49CCEBEEF84792F5B80ED585239D5BEE8CD0@SHSMSX104.ccr.corp.intel.com>
Hi, Ray
Thanks for reminder, I will follow up this issue.
BestRegards
Fu Siyuan
> -----Original Message-----
> From: Ni, Ruiyu
> Sent: Wednesday, October 31, 2018 4:24 PM
> To: Fu, Siyuan <siyuan.fu@intel.com>; edk2-devel@lists.01.org
> Cc: Wu, Jiaxin <jiaxin.wu@intel.com>; Zeng, Star <star.zeng@intel.com>
> Subject: RE: [edk2] [PATCH v1 6/7] MdeModulePkg: Delete the TCP/PXE/ISCSI
> drivers in MdeModulePkg.
>
> Siyuan,
> In BmBootDescription.c: BmGetNetworkDescription() contains below comments:
> //
> // The PXE device path is like:
> // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]
> // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv4(...)
> // ....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]/IPv6(...)
> //
>
> After the PxeBcDxe driver in MdeModulePkg is removed, there won't be PXD
> device path
> like "....../Mac(...)[/Vlan(...)][/Wi-Fi(...)]".
>
> So the code block "Locate the IP node" should expect IP node always exists.
>
> Could you please change this function after this patch is commit?
>
> Thanks/Ray
>
> > -----Original Message-----
> > From: edk2-devel <edk2-devel-bounces@lists.01.org> On Behalf Of Fu
> > Siyuan
> > Sent: Tuesday, October 30, 2018 3:33 PM
> > To: edk2-devel@lists.01.org
> > Cc: Wu, Jiaxin <jiaxin.wu@intel.com>; Zeng, Star <star.zeng@intel.com>
> > Subject: [edk2] [PATCH v1 6/7] MdeModulePkg: Delete the TCP/PXE/ISCSI
> > drivers in MdeModulePkg.
> >
> > This patch is to delete the Tcp4Dxe, UefiPxeBcDxe and IScsi4Dxe drivers
> > in MdeModulePkg. These drivers will not be maintained and can't co-work
> > with the dual-stack drivers in NetworkPkg.
> >
> > People should use below NetworkPkg drivers instead:
> > NetworkPkg/IScsiDxe/IScsiDxe.inf
> > NetworkPkg/TcpDxe/TcpDxe.inf
> > NetworkPkg/UefiPxeBcDxe/UefiPxeBcDxe.inf
> > These drivers are actively maintained with more bug fixes and new
> feature
> > support.
> >
> > Cc: Star Zeng <star.zeng@intel.com>
> > Cc: Jian J Wang <jian.j.wang@intel.com>
> > Cc: Jiaxin Wu <jiaxin.wu@intel.com>
> > Contributed-under: TianoCore Contribution Agreement 1.1
> > Signed-off-by: Fu Siyuan <siyuan.fu@intel.com>
> > ---
> > MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.c |
> > 283 --
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.c |
> 430 ---
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c |
> 1264 -----
> > ----
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.c |
> 472 ----
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.c |
> 676 -----
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.c |
> 412
> > ---
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c |
> 539 ----
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.c |
> 116
> > -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c |
> 948 ------
> > -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.c |
> 2799 -----
> > -------------
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.c |
> 487 ----
> > MdeModulePkg/Universal/Network/IScsiDxe/Md5.c |
> 350 ---
> > MdeModulePkg/Universal/Network/Tcp4Dxe/ComponentName.c |
> > 433 ---
> > MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.c |
> 1201 ----
> > ----
> > MdeModulePkg/Universal/Network/Tcp4Dxe/SockInterface.c |
> 990 --
> > -----
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c |
> 717 -
> > ----
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c |
> 782 ----
> > -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Input.c |
> 1497 ---
> > -------
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c |
> 112 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c |
> 674 ----
> > -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c |
> 940 ----
> > --
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.c |
> 352 ---
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Output.c |
> 1238 --
> > ------
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Timer.c |
> 584 ----
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/ComponentName.c
> > | 365 ---
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c |
> > 1999 -------------
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.c |
> > 665 -----
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c |
> > 2989 --------------------
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.c |
> > 454 ---
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.c |
> > 221 --
> > MdeModulePkg/MdeModulePkg.dsc |
> 3 -
> > MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.h |
> > 165 --
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsi4Dxe.uni |
> 25 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsi4DxeExtra.uni |
> 20 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.h |
> 106 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiCommon.h |
> 22 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.h |
> 166 --
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxe.vfr |
> 219 -
> > -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxeStrings.uni |
> > 62 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigNVDataStruc.h |
> > 109 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.h |
> 55 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.h |
> 140 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf |
> 134 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.h |
> 22
> > -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.h |
> 38 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiImpl.h |
> 168 --
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.h |
> 74 -
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h |
> 317 ---
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.h |
> 1005 -----
> > --
> > MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.h |
> 142 -
> > MdeModulePkg/Universal/Network/IScsiDxe/Md5.h |
> 80 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.h |
> 131 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h |
> 954 ------
> > -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.h |
> 342 ---
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf |
> 94 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.uni |
> 23 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4DxeExtra.uni |
> 20 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Func.h |
> 781 ----
> > -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.h |
> 494 ---
> > -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h |
> 130 -
> > MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Proto.h |
> 357 ---
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.h |
> > 502 ----
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.h |
> > 102 -
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h |
> 189
> > --
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.h |
> > 137 -
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.h |
> > 134 -
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxe.uni |
> > 25 -
> >
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxeExtra.uni
> > | 20 -
> > MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf |
> > 102 -
> > 69 files changed, 32598 deletions(-)
> >
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.c
> > deleted file mode 100644
> > index 3f561e93439d..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.c
> > +++ /dev/null
> > @@ -1,283 +0,0 @@
> > -/** @file
> > - UEFI Component Name(2) protocol implementation for iSCSI.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -//
> > -// EFI Component Name Protocol
> > -//
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME_PROTOCOL gIScsiComponentName = {
> > - IScsiComponentNameGetDriverName,
> > - IScsiComponentNameGetControllerName,
> > - "eng"
> > -};
> > -
> > -//
> > -// EFI Component Name 2 Protocol
> > -//
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME2_PROTOCOL gIScsiComponentName2 = {
> > - (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)
> > IScsiComponentNameGetDriverName,
> > - (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)
> > IScsiComponentNameGetControllerName,
> > - "en"
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > mIScsiDriverNameTable[] = {
> > - {"eng;en", L"iSCSI Driver"},
> > - {NULL, NULL}
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > *mIScsiControllerNameTable = NULL;
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the EFI
> Driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
> > instance.
> > - @param[in] Language A pointer to a three character ISO 639-2
> language
> > identifier.
> > - This is the language of the driver name that
> that the caller
> > - is requesting, and it must match one of the
> languages specified
> > - in SupportedLanguages. The number of
> languages supported
> > by a
> > - driver is up to the driver writer.
> > - @param[out] DriverName A pointer to the Unicode string to return.
> This
> > Unicode string
> > - is the name of the driver specified by This
> in the language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > This
> > - and the language specified by Language
> was returned
> > - in DriverName.
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support the
> > - language specified by Language.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - )
> > -{
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - mIScsiDriverNameTable,
> > - DriverName,
> > - (BOOLEAN)(This == &gIScsiComponentName)
> > - );
> > -}
> > -
> > -/**
> > - Update the component name for the iSCSI instance.
> > -
> > - @param[in] IScsiExtScsiPassThru A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > -
> > - @retval EFI_SUCCESS Update the ControllerNameTable of
> this
> > instance successfully.
> > - @retval EFI_INVALID_PARAMETER The input parameter is invalid.
> > - @retval EFI_UNSUPPORTED Can't get the corresponding NIC
> info from
> > the Controller handle.
> > -
> > -**/
> > -EFI_STATUS
> > -UpdateName (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru
> > - )
> > -{
> > - EFI_STATUS Status;
> > - CHAR16 HandleName[150];
> > - ISCSI_DRIVER_DATA *Private;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - UINT16 VlanId;
> > - CHAR16 MacString[70];
> > -
> > - if (IScsiExtScsiPassThru == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU
> > (IScsiExtScsiPassThru);
> > -
> > - //
> > - // Get the mac string, it's the name of various variable
> > - //
> > - Status = NetLibGetMacAddress (Private->Controller, &MacAddress,
> > &HwAddressSize);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - VlanId = NetLibGetVlanId (Private->Controller);
> > - IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId,
> > MacString);
> > -
> > - UnicodeSPrint (
> > - HandleName,
> > - sizeof (HandleName),
> > - L"iSCSI IPv4 (MacString=%s)",
> > - MacString
> > - );
> > -
> > - if (mIScsiControllerNameTable != NULL) {
> > - FreeUnicodeStringTable (mIScsiControllerNameTable);
> > - mIScsiControllerNameTable = NULL;
> > - }
> > -
> > - Status = AddUnicodeString2 (
> > - "eng",
> > - gIScsiComponentName.SupportedLanguages,
> > - &mIScsiControllerNameTable,
> > - HandleName,
> > - TRUE
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return AddUnicodeString2 (
> > - "en",
> > - gIScsiComponentName2.SupportedLanguages,
> > - &mIScsiControllerNameTable,
> > - HandleName,
> > - FALSE
> > - );
> > -}
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by an EFI Driver.Currently not implemented.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > specified by
> > - This is managing. This handle specifies
> the controller
> > - whose name is to be returned.
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > the name
> > - of. This is an optional parameter that
> may be NULL. It
> > - will be NULL for device drivers. It
> will also be NULL
> > - for a bus drivers that wish to retrieve
> the name of the
> > - bus controller. It will not be NULL for
> a bus driver
> > - that wishes to retrieve the name of a
> child controller.
> > - @param[in] Language A pointer to a three character ISO 639-2
> > language
> > - identifier. This is the language of the
> controller name
> > - that that the caller is requesting, and
> it must match one
> > - of the languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up to the
> > - driver writer.
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > This Unicode
> > - string is the name of the controller
> specified by
> > - ControllerHandle and ChildHandle in the
> language specified
> > - by Language from the point of view of
> the driver specified
> > - by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in the
> > - language specified by Language for the
> driver
> > - specified by This was returned in
> DriverName.
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid EFI_HANDLE.
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > managing
> > - the controller specified by
> ControllerHandle and
> > - ChildHandle.
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support the
> > - language specified by Language.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - EFI_HANDLE IScsiController;
> > - ISCSI_PRIVATE_PROTOCOL *IScsiIdentifier;
> > -
> > - EFI_EXT_SCSI_PASS_THRU_PROTOCOL *IScsiExtScsiPassThru;
> > -
> > - if (ControllerHandle == NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - //
> > - // Get the handle of the controller we are controling.
> > - //
> > - IScsiController = NetLibGetNicHandle (ControllerHandle,
> > &gEfiTcp4ProtocolGuid);
> > - if (IScsiController == NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - IScsiController,
> > - &gEfiCallerIdGuid,
> > - (VOID **)&IScsiIdentifier,
> > - NULL,
> > - NULL,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - if (ChildHandle != NULL) {
> > - //
> > - // Make sure this driver produced ChildHandle
> > - //
> > - Status = EfiTestChildHandle (
> > - ControllerHandle,
> > - ChildHandle,
> > - &gEfiTcp4ProtocolGuid
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Retrieve an instance of a produced protocol from ChildHandle
> > - //
> > - Status = gBS->OpenProtocol (
> > - ChildHandle,
> > - &gEfiExtScsiPassThruProtocolGuid,
> > - (VOID **)&IScsiExtScsiPassThru,
> > - NULL,
> > - NULL,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Update the component name for this child handle.
> > - //
> > - Status = UpdateName (IScsiExtScsiPassThru);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - } else {
> > - return Status;
> > - }
> > - }
> > -
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - mIScsiControllerNameTable,
> > - ControllerName,
> > - (BOOLEAN)(This == &gIScsiComponentName)
> > - );
> > -}
> > -
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.c
> > deleted file mode 100644
> > index 6307684ff05b..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.c
> > +++ /dev/null
> > @@ -1,430 +0,0 @@
> > -/** @file
> > - This file is for Challenge-Handshake Authentication Protocol (CHAP)
> > Configuration.
> > -
> > -Copyright (c) 2004 - 2015, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -#include "Md5.h"
> > -
> > -/**
> > - Initator calculates its own expected hash value.
> > -
> > - @param[in] ChapIdentifier iSCSI CHAP identifier sent by
> authenticator.
> > - @param[in] ChapSecret iSCSI CHAP secret of the
> authenticator.
> > - @param[in] SecretLength The length of iSCSI CHAP secret.
> > - @param[in] ChapChallenge The challenge message sent by
> > authenticator.
> > - @param[in] ChallengeLength The length of iSCSI CHAP challenge
> > message.
> > - @param[out] ChapResponse The calculation of the expected hash
> > value.
> > -
> > - @retval EFI_SUCCESS The expected hash value was
> calculatedly
> > successfully.
> > - @retval EFI_PROTOCOL_ERROR The length of the secret should be at
> > least the
> > - length of the hash value for the
> hashing algorithm chosen.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPCalculateResponse (
> > - IN UINT32 ChapIdentifier,
> > - IN CHAR8 *ChapSecret,
> > - IN UINT32 SecretLength,
> > - IN UINT8 *ChapChallenge,
> > - IN UINT32 ChallengeLength,
> > - OUT UINT8 *ChapResponse
> > - )
> > -{
> > - MD5_CTX Md5Ctx;
> > - CHAR8 IdByte[1];
> > - EFI_STATUS Status;
> > -
> > - Status = MD5Init (&Md5Ctx);
> > -
> > - //
> > - // Hash Identifier - Only calculate 1 byte data (RFC1994)
> > - //
> > - IdByte[0] = (CHAR8) ChapIdentifier;
> > - MD5Update (&Md5Ctx, IdByte, 1);
> > -
> > - //
> > - // Hash Secret
> > - //
> > - if (SecretLength < ISCSI_CHAP_SECRET_MIN_LEN - 1) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - MD5Update (&Md5Ctx, ChapSecret, SecretLength);
> > -
> > - //
> > - // Hash Challenge received from Target
> > - //
> > - MD5Update (&Md5Ctx, ChapChallenge, ChallengeLength);
> > -
> > - Status = MD5Final (&Md5Ctx, ChapResponse);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - The initator checks the CHAP response replied by target against its
> own
> > - calculation of the expected hash value.
> > -
> > - @param[in] AuthData iSCSI CHAP authentication data.
> > - @param[in] TargetResponse The response from target.
> > -
> > - @retval EFI_SUCCESS The response from target passed
> > authentication.
> > - @retval EFI_SECURITY_VIOLATION The response from target was not
> > expected value.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPAuthTarget (
> > - IN ISCSI_CHAP_AUTH_DATA *AuthData,
> > - IN UINT8 *TargetResponse
> > - )
> > -{
> > - EFI_STATUS Status;
> > - UINT32 SecretSize;
> > - UINT8 VerifyRsp[ISCSI_CHAP_RSP_LEN];
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - SecretSize = (UINT32) AsciiStrLen (AuthData-
> > >AuthConfig.ReverseCHAPSecret);
> > - Status = IScsiCHAPCalculateResponse (
> > - AuthData->OutIdentifier,
> > - AuthData->AuthConfig.ReverseCHAPSecret,
> > - SecretSize,
> > - AuthData->OutChallenge,
> > - AuthData->OutChallengeLength,
> > - VerifyRsp
> > - );
> > -
> > - if (CompareMem (VerifyRsp, TargetResponse, ISCSI_CHAP_RSP_LEN) != 0)
> > {
> > - Status = EFI_SECURITY_VIOLATION;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - This function checks the received iSCSI Login Response during the
> security
> > - negotiation stage.
> > -
> > - @param[in] Conn The iSCSI connection.
> > -
> > - @retval EFI_SUCCESS The Login Response passed the CHAP
> validation.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of protocol error happend.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPOnRspReceived (
> > - IN ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_SESSION *Session;
> > - ISCSI_CHAP_AUTH_DATA *AuthData;
> > - CHAR8 *Value;
> > - UINT8 *Data;
> > - UINT32 Len;
> > - LIST_ENTRY *KeyValueList;
> > - UINTN Algorithm;
> > - CHAR8 *Identifier;
> > - CHAR8 *Challenge;
> > - CHAR8 *Name;
> > - CHAR8 *Response;
> > - UINT8 TargetRsp[ISCSI_CHAP_RSP_LEN];
> > - UINT32 RspLen;
> > -
> > - ASSERT (Conn->CurrentStage == ISCSI_SECURITY_NEGOTIATION);
> > - ASSERT (Conn->RspQue.BufNum != 0);
> > -
> > - Session = Conn->Session;
> > - AuthData = &Session->AuthData;
> > -
> > - Len = Conn->RspQue.BufSize;
> > - Data = AllocatePool (Len);
> > - if (Data == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > - //
> > - // Copy the data in case the data spans over multiple PDUs.
> > - //
> > - NetbufQueCopy (&Conn->RspQue, 0, Len, Data);
> > -
> > - //
> > - // Build the key-value list from the data segment of the Login
> Response.
> > - //
> > - KeyValueList = IScsiBuildKeyValueList ((CHAR8 *) Data, Len);
> > - if (KeyValueList == NULL) {
> > - FreePool (Data);
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Status = EFI_PROTOCOL_ERROR;
> > -
> > - switch (Conn->CHAPStep) {
> > - case ISCSI_CHAP_INITIAL:
> > - //
> > - // The first Login Response.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_TARGET_PORTAL_GROUP_TAG);
> > - if (Value == NULL) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Session->TargetPortalGroupTag = (UINT16) AsciiStrDecimalToUintn
> > (Value);
> > -
> > - Value = IScsiGetValueByKeyFromList
> (KeyValueList,
> > ISCSI_KEY_AUTH_METHOD);
> > - if (Value == NULL) {
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Initiator mandates CHAP authentication but target replies
> without
> > "CHAP" or
> > - // initiator suggets "None" but target replies with some kind of
> auth
> > method.
> > - //
> > - if (AsciiStrCmp (Value, ISCSI_AUTH_METHOD_CHAP) == 0) {
> > - if (AuthData->AuthConfig.CHAPType == ISCSI_CHAP_NONE) {
> > - goto ON_EXIT;
> > - }
> > - } else {
> > - if (AuthData->AuthConfig.CHAPType != ISCSI_CHAP_NONE) {
> > - goto ON_EXIT;
> > - }
> > - }
> > - //
> > - // Transit to CHAP step one.
> > - //
> > - Conn->CHAPStep = ISCSI_CHAP_STEP_ONE;
> > - Status = EFI_SUCCESS;
> > - break;
> > -
> > - case ISCSI_CHAP_STEP_TWO:
> > - //
> > - // The Target replies with CHAP_A=<A> CHAP_I=<I> CHAP_C=<C>
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_CHAP_ALGORITHM);
> > - if (Value == NULL) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Algorithm = AsciiStrDecimalToUintn (Value);
> > - if (Algorithm != ISCSI_CHAP_ALGORITHM_MD5) {
> > - //
> > - // Unsupported algorithm is chosen by target.
> > - //
> > - goto ON_EXIT;
> > - }
> > -
> > - Identifier = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_CHAP_IDENTIFIER);
> > - if (Identifier == NULL) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Challenge = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_CHAP_CHALLENGE);
> > - if (Challenge == NULL) {
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Process the CHAP identifier and CHAP Challenge from Target
> > - // Calculate Response value
> > - //
> > - AuthData->InIdentifier = (UINT32) AsciiStrDecimalToUintn
> (Identifier);
> > - AuthData->InChallengeLength = ISCSI_CHAP_AUTH_MAX_LEN;
> > - IScsiHexToBin ((UINT8 *) AuthData->InChallenge, &AuthData-
> > >InChallengeLength, Challenge);
> > - Status = IScsiCHAPCalculateResponse (
> > - AuthData->InIdentifier,
> > - AuthData->AuthConfig.CHAPSecret,
> > - (UINT32) AsciiStrLen (AuthData->AuthConfig.CHAPSecret),
> > - AuthData->InChallenge,
> > - AuthData->InChallengeLength,
> > - AuthData->CHAPResponse
> > - );
> > -
> > - //
> > - // Transit to next step.
> > - //
> > - Conn->CHAPStep = ISCSI_CHAP_STEP_THREE;
> > - break;
> > -
> > - case ISCSI_CHAP_STEP_THREE:
> > - //
> > - // one way CHAP authentication and the target would like to
> > - // authenticate us.
> > - //
> > - Status = EFI_SUCCESS;
> > - break;
> > -
> > - case ISCSI_CHAP_STEP_FOUR:
> > - ASSERT (AuthData->AuthConfig.CHAPType == ISCSI_CHAP_MUTUAL);
> > - //
> > - // The forth step, CHAP_N=<N> CHAP_R=<R> is received from Target.
> > - //
> > - Name = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_CHAP_NAME);
> > - if (Name == NULL) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Response = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_CHAP_RESPONSE);
> > - if (Response == NULL) {
> > - goto ON_EXIT;
> > - }
> > -
> > - RspLen = ISCSI_CHAP_RSP_LEN;
> > - IScsiHexToBin (TargetRsp, &RspLen, Response);
> > -
> > - //
> > - // Check the CHAP Response replied by Target.
> > - //
> > - Status = IScsiCHAPAuthTarget (AuthData, TargetRsp);
> > - break;
> > -
> > - default:
> > - break;
> > - }
> > -
> > -ON_EXIT:
> > -
> > - IScsiFreeKeyValueList (KeyValueList);
> > -
> > - FreePool (Data);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - This function fills the CHAP authentication information into the
> login PDU
> > - during the security negotiation stage in the iSCSI connection login.
> > -
> > - @param[in] Conn The iSCSI connection.
> > - @param[in, out] Pdu The PDU to send out.
> > -
> > - @retval EFI_SUCCESS All check passed and the phase-related
> CHAP
> > - authentication info is filled into the
> iSCSI PDU.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of protocol error happend.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPToSendReq (
> > - IN ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_SESSION *Session;
> > - ISCSI_LOGIN_REQUEST *LoginReq;
> > - ISCSI_CHAP_AUTH_DATA *AuthData;
> > - CHAR8 *Value;
> > - CHAR8 ValueStr[256];
> > - CHAR8 *Response;
> > - UINT32 RspLen;
> > - CHAR8 *Challenge;
> > - UINT32 ChallengeLen;
> > -
> > - ASSERT (Conn->CurrentStage == ISCSI_SECURITY_NEGOTIATION);
> > -
> > - Session = Conn->Session;
> > - AuthData = &Session->AuthData;
> > - LoginReq = (ISCSI_LOGIN_REQUEST *) NetbufGetByte (Pdu, 0, 0);
> > - if (LoginReq == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - Status = EFI_SUCCESS;
> > -
> > - RspLen = 2 * ISCSI_CHAP_RSP_LEN + 3;
> > - Response = AllocatePool (RspLen);
> > - if (Response == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - ChallengeLen = 2 * ISCSI_CHAP_RSP_LEN + 3;
> > - Challenge = AllocatePool (ChallengeLen);
> > - if (Challenge == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - switch (Conn->CHAPStep) {
> > - case ISCSI_CHAP_INITIAL:
> > - //
> > - // It's the initial Login Request. Fill in the key=value pairs
> mandatory
> > - // for the initial Login Request.
> > - //
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_INITIATOR_NAME, Session-
> > >InitiatorName);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_SESSION_TYPE, "Normal");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_TARGET_NAME, Session-
> > >ConfigData.NvData.TargetName);
> > -
> > - if (AuthData->AuthConfig.CHAPType == ISCSI_CHAP_NONE) {
> > - Value = ISCSI_KEY_VALUE_NONE;
> > - ISCSI_SET_FLAG (LoginReq, ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT);
> > - } else {
> > - Value = ISCSI_AUTH_METHOD_CHAP;
> > - }
> > -
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_AUTH_METHOD, Value);
> > -
> > - break;
> > -
> > - case ISCSI_CHAP_STEP_ONE:
> > - //
> > - // First step, send the Login Request with CHAP_A=<A1,A2...> key-
> value
> > pair.
> > - //
> > - AsciiSPrint (ValueStr, sizeof (ValueStr), "%d",
> > ISCSI_CHAP_ALGORITHM_MD5);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_CHAP_ALGORITHM, ValueStr);
> > -
> > - Conn->CHAPStep = ISCSI_CHAP_STEP_TWO;
> > - break;
> > -
> > - case ISCSI_CHAP_STEP_THREE:
> > - //
> > - // Third step, send the Login Request with CHAP_N=<N> CHAP_R=<R> or
> > - // CHAP_N=<N> CHAP_R=<R> CHAP_I=<I> CHAP_C=<C> if target
> > ahtentication is
> > - // required too.
> > - //
> > - // CHAP_N=<N>
> > - //
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_CHAP_NAME, (CHAR8 *)
> > &AuthData->AuthConfig.CHAPName);
> > - //
> > - // CHAP_R=<R>
> > - //
> > - IScsiBinToHex ((UINT8 *) AuthData->CHAPResponse,
> > ISCSI_CHAP_RSP_LEN, Response, &RspLen);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_CHAP_RESPONSE, Response);
> > -
> > - if (AuthData->AuthConfig.CHAPType == ISCSI_CHAP_MUTUAL) {
> > - //
> > - // CHAP_I=<I>
> > - //
> > - IScsiGenRandom ((UINT8 *) &AuthData->OutIdentifier, 1);
> > - AsciiSPrint (ValueStr, sizeof (ValueStr), "%d", AuthData-
> >OutIdentifier);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_CHAP_IDENTIFIER, ValueStr);
> > - //
> > - // CHAP_C=<C>
> > - //
> > - IScsiGenRandom ((UINT8 *) AuthData->OutChallenge,
> > ISCSI_CHAP_RSP_LEN);
> > - AuthData->OutChallengeLength = ISCSI_CHAP_RSP_LEN;
> > - IScsiBinToHex ((UINT8 *) AuthData->OutChallenge,
> > ISCSI_CHAP_RSP_LEN, Challenge, &ChallengeLen);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_CHAP_CHALLENGE, Challenge);
> > -
> > - Conn->CHAPStep = ISCSI_CHAP_STEP_FOUR;
> > - }
> > - //
> > - // set the stage transition flag.
> > - //
> > - ISCSI_SET_FLAG (LoginReq, ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT);
> > - break;
> > -
> > - default:
> > - Status = EFI_PROTOCOL_ERROR;
> > - break;
> > - }
> > -
> > - FreePool (Response);
> > - FreePool (Challenge);
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c
> > deleted file mode 100644
> > index cb1eff1b690c..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.c
> > +++ /dev/null
> > @@ -1,1264 +0,0 @@
> > -/** @file
> > - Helper functions for configuring or getting the parameters relating
> to iSCSI.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -CHAR16 mVendorStorageName[] = L"ISCSI_CONFIG_IFR_NVDATA";
> > -BOOLEAN mIScsiDeviceListUpdated = FALSE;
> > -UINTN mNumberOfIScsiDevices = 0;
> > -ISCSI_FORM_CALLBACK_INFO *mCallbackInfo = NULL;
> > -
> > -LIST_ENTRY mIScsiConfigFormList = {
> > - &mIScsiConfigFormList,
> > - &mIScsiConfigFormList
> > -};
> > -
> > -HII_VENDOR_DEVICE_PATH mIScsiHiiVendorDevicePath = {
> > - {
> > - {
> > - HARDWARE_DEVICE_PATH,
> > - HW_VENDOR_DP,
> > - {
> > - (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
> > - (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
> > - }
> > - },
> > - IP4_ISCSI_CONFIG_GUID
> > - },
> > - {
> > - END_DEVICE_PATH_TYPE,
> > - END_ENTIRE_DEVICE_PATH_SUBTYPE,
> > - {
> > - (UINT8) (END_DEVICE_PATH_LENGTH),
> > - (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
> > - }
> > - }
> > -};
> > -
> > -/**
> > - Convert the IPv4 address into a dotted string.
> > -
> > - @param[in] Ip The IPv4 address.
> > - @param[out] Str The dotted IP string.
> > -**/
> > -VOID
> > -IScsiIpToStr (
> > - IN EFI_IPv4_ADDRESS *Ip,
> > - OUT CHAR16 *Str
> > - )
> > -{
> > - UnicodeSPrint ( Str, 2 * IP4_STR_MAX_SIZE, L"%d.%d.%d.%d", Ip-
> >Addr[0],
> > Ip->Addr[1], Ip->Addr[2], Ip->Addr[3]);
> > -}
> > -
> > -
> > -/**
> > - Parse IsId in string format and convert it to binary.
> > -
> > - @param[in] String The buffer of the string to be parsed.
> > - @param[in, out] IsId The buffer to store IsId.
> > -
> > - @retval EFI_SUCCESS The operation finished successfully.
> > - @retval EFI_INVALID_PARAMETER Any input parameter is invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiParseIsIdFromString (
> > - IN CONST CHAR16 *String,
> > - IN OUT UINT8 *IsId
> > - )
> > -{
> > - UINT8 Index;
> > - CHAR16 *IsIdStr;
> > - CHAR16 TempStr[3];
> > - UINTN NodeVal;
> > - CHAR16 PortString[ISCSI_NAME_IFR_MAX_SIZE];
> > - EFI_INPUT_KEY Key;
> > -
> > - if ((String == NULL) || (IsId == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - IsIdStr = (CHAR16 *) String;
> > -
> > - if (StrLen (IsIdStr) != 6) {
> > - UnicodeSPrint (
> > - PortString,
> > - (UINTN) sizeof (PortString),
> > - L"Error! Input is incorrect, please input 6 hex numbers!\n"
> > - );
> > -
> > - CreatePopUp (
> > - EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
> > - &Key,
> > - PortString,
> > - NULL
> > - );
> > -
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - for (Index = 3; Index < 6; Index++) {
> > - CopyMem (TempStr, IsIdStr, sizeof (TempStr));
> > - TempStr[2] = L'\0';
> > -
> > - //
> > - // Convert the string to IsId. StrHexToUintn stops at the first
> character
> > - // that is not a valid hex character, '\0' here.
> > - //
> > - NodeVal = StrHexToUintn (TempStr);
> > -
> > - IsId[Index] = (UINT8) NodeVal;
> > -
> > - IsIdStr = IsIdStr + 2;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Convert IsId from binary to string format.
> > -
> > - @param[out] String The buffer to store the converted string.
> > - @param[in] IsId The buffer to store IsId.
> > -
> > - @retval EFI_SUCCESS The string converted successfully.
> > - @retval EFI_INVALID_PARAMETER Any input parameter is invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiConvertIsIdToString (
> > - OUT CHAR16 *String,
> > - IN UINT8 *IsId
> > - )
> > -{
> > - UINT8 Index;
> > - UINTN Number;
> > -
> > - if ((String == NULL) || (IsId == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - for (Index = 0; Index < 6; Index++) {
> > - if (IsId[Index] <= 0xF) {
> > - Number = UnicodeSPrint (
> > - String,
> > - 2 * ISID_CONFIGURABLE_STORAGE,
> > - L"0%X",
> > - (UINTN) IsId[Index]
> > - );
> > - } else {
> > - Number = UnicodeSPrint (
> > - String,
> > - 2 * ISID_CONFIGURABLE_STORAGE,
> > - L"%X",
> > - (UINTN) IsId[Index]
> > - );
> > -
> > - }
> > -
> > - String = String + Number;
> > - }
> > -
> > - *String = L'\0';
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Update the list of iSCSI devices the iSCSI driver is controlling.
> > -
> > - @retval EFI_SUCCESS The callback successfully handled the
> action.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiUpdateDeviceList (
> > - VOID
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_DEVICE_LIST *DeviceList;
> > - UINTN DataSize;
> > - UINTN NumHandles;
> > - EFI_HANDLE *Handles;
> > - UINTN HandleIndex;
> > - UINTN Index;
> > - UINTN LastDeviceIndex;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - UINT16 VlanId;
> > - ISCSI_MAC_INFO *CurMacInfo;
> > - ISCSI_MAC_INFO TempMacInfo;
> > - CHAR16 MacString[70];
> > - UINTN DeviceListSize;
> > -
> > - //
> > - // Dump all the handles the Managed Network Service Binding Protocol
> is
> > installed on.
> > - //
> > - Status = gBS->LocateHandleBuffer (
> > - ByProtocol,
> > - &gEfiManagedNetworkServiceBindingProtocolGuid,
> > - NULL,
> > - &NumHandles,
> > - &Handles
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - DataSize = 0;
> > - Status = gRT->GetVariable (
> > - L"iSCSIDeviceList",
> > - &gIp4IScsiConfigGuid,
> > - NULL,
> > - &DataSize,
> > - NULL
> > - );
> > - if (Status == EFI_BUFFER_TOO_SMALL) {
> > - DeviceList = (ISCSI_DEVICE_LIST *) AllocatePool (DataSize);
> > - ASSERT (DeviceList != NULL);
> > -
> > - gRT->GetVariable (
> > - L"iSCSIDeviceList",
> > - &gIp4IScsiConfigGuid,
> > - NULL,
> > - &DataSize,
> > - DeviceList
> > - );
> > -
> > - LastDeviceIndex = 0;
> > -
> > - for (HandleIndex = 0; HandleIndex < NumHandles; HandleIndex++) {
> > - Status = NetLibGetMacAddress (Handles[HandleIndex], &MacAddress,
> > &HwAddressSize);
> > - ASSERT (Status == EFI_SUCCESS);
> > - VlanId = NetLibGetVlanId (Handles[HandleIndex]);
> > -
> > - for (Index = LastDeviceIndex; Index < DeviceList->NumDevice;
> Index++) {
> > - CurMacInfo = &DeviceList->MacInfo[Index];
> > - if ((CurMacInfo->Len == HwAddressSize) &&
> > - (CurMacInfo->VlanId == VlanId) &&
> > - (NET_MAC_EQUAL (&CurMacInfo->Mac, MacAddress.Addr,
> > HwAddressSize))
> > - ) {
> > - //
> > - // The previous configured NIC is still here.
> > - //
> > - if (Index != LastDeviceIndex) {
> > - //
> > - // Swap the current MAC address entry with the one indexed
> by
> > - // LastDeviceIndex.
> > - //
> > - CopyMem (&TempMacInfo, CurMacInfo, sizeof (ISCSI_MAC_INFO));
> > - CopyMem (CurMacInfo, &DeviceList->MacInfo[LastDeviceIndex],
> > sizeof (ISCSI_MAC_INFO));
> > - CopyMem (&DeviceList->MacInfo[LastDeviceIndex],
> &TempMacInfo,
> > sizeof (ISCSI_MAC_INFO));
> > - }
> > -
> > - LastDeviceIndex++;
> > - }
> > - }
> > -
> > - if (LastDeviceIndex == DeviceList->NumDevice) {
> > - break;
> > - }
> > - }
> > -
> > - for (Index = LastDeviceIndex; Index < DeviceList->NumDevice;
> Index++) {
> > - //
> > - // delete the variables
> > - //
> > - CurMacInfo = &DeviceList->MacInfo[Index];
> > - IScsiMacAddrToStr (&CurMacInfo->Mac, CurMacInfo->Len, CurMacInfo-
> > >VlanId, MacString);
> > - gRT->SetVariable (MacString, &gEfiIScsiInitiatorNameProtocolGuid,
> 0, 0,
> > NULL);
> > - gRT->SetVariable (MacString, &gIScsiCHAPAuthInfoGuid, 0, 0, NULL);
> > - }
> > -
> > - FreePool (DeviceList);
> > - } else if (Status != EFI_NOT_FOUND) {
> > - FreePool (Handles);
> > - return Status;
> > - }
> > - //
> > - // Construct the new iSCSI device list.
> > - //
> > - DeviceListSize = sizeof (ISCSI_DEVICE_LIST) + (NumHandles - 1)
> * sizeof
> > (ISCSI_MAC_INFO);
> > - DeviceList = (ISCSI_DEVICE_LIST *) AllocatePool
> (DeviceListSize);
> > - ASSERT (DeviceList != NULL);
> > - DeviceList->NumDevice = (UINT8) NumHandles;
> > -
> > - for (Index = 0; Index < NumHandles; Index++) {
> > - NetLibGetMacAddress (Handles[Index], &MacAddress, &HwAddressSize);
> > -
> > - CurMacInfo = &DeviceList->MacInfo[Index];
> > - CopyMem (&CurMacInfo->Mac, MacAddress.Addr, HwAddressSize);
> > - CurMacInfo->Len = (UINT8) HwAddressSize;
> > - CurMacInfo->VlanId = NetLibGetVlanId (Handles[Index]);
> > - }
> > -
> > - gRT->SetVariable (
> > - L"iSCSIDeviceList",
> > - &gIp4IScsiConfigGuid,
> > - ISCSI_CONFIG_VAR_ATTR,
> > - DeviceListSize,
> > - DeviceList
> > - );
> > -
> > - FreePool (DeviceList);
> > - FreePool (Handles);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Get the iSCSI configuration form entry by the index of the goto
> opcode
> > actived.
> > -
> > - @param[in] Index The 0-based index of the goto opcode actived.
> > -
> > - @return The iSCSI configuration form entry found.
> > -**/
> > -ISCSI_CONFIG_FORM_ENTRY *
> > -IScsiGetConfigFormEntryByIndex (
> > - IN UINT32 Index
> > - )
> > -{
> > - UINT32 CurrentIndex;
> > - LIST_ENTRY *Entry;
> > - ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
> > -
> > - CurrentIndex = 0;
> > - ConfigFormEntry = NULL;
> > -
> > - NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
> > - if (CurrentIndex == Index) {
> > - ConfigFormEntry = NET_LIST_USER_STRUCT (Entry,
> > ISCSI_CONFIG_FORM_ENTRY, Link);
> > - break;
> > - }
> > -
> > - CurrentIndex++;
> > - }
> > -
> > - return ConfigFormEntry;
> > -}
> > -
> > -/**
> > - Convert the iSCSI configuration data into the IFR data.
> > -
> > - @param[in] ConfigFormEntry The iSCSI configuration form entry.
> > - @param[out] IfrNvData The IFR nv data.
> > -
> > -**/
> > -VOID
> > -IScsiConvertDeviceConfigDataToIfrNvData (
> > - IN ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry,
> > - OUT ISCSI_CONFIG_IFR_NVDATA *IfrNvData
> > - )
> > -{
> > - ISCSI_SESSION_CONFIG_NVDATA *SessionConfigData;
> > - ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfigData;
> > -
> > - //
> > - // Normal session configuration parameters.
> > - //
> > - SessionConfigData = &ConfigFormEntry-
> >SessionConfigData;
> > - IfrNvData->Enabled = SessionConfigData->Enabled;
> > -
> > - IfrNvData->InitiatorInfoFromDhcp = SessionConfigData-
> > >InitiatorInfoFromDhcp;
> > - IfrNvData->TargetInfoFromDhcp = SessionConfigData-
> > >TargetInfoFromDhcp;
> > - IfrNvData->TargetPort = SessionConfigData->TargetPort;
> > -
> > - IScsiIpToStr (&SessionConfigData->LocalIp, IfrNvData->LocalIp);
> > - IScsiIpToStr (&SessionConfigData->SubnetMask, IfrNvData->SubnetMask);
> > - IScsiIpToStr (&SessionConfigData->Gateway, IfrNvData->Gateway);
> > - IScsiIpToStr (&SessionConfigData->TargetIp, IfrNvData->TargetIp);
> > -
> > - IScsiAsciiStrToUnicodeStr (SessionConfigData->TargetName, IfrNvData-
> > >TargetName);
> > -
> > - IScsiLunToUnicodeStr (SessionConfigData->BootLun, IfrNvData->BootLun);
> > -
> > - IScsiConvertIsIdToString (IfrNvData->IsId, SessionConfigData->IsId);
> > -
> > - //
> > - // CHAP authentication parameters.
> > - //
> > - AuthConfigData = &ConfigFormEntry->AuthConfigData;
> > -
> > - IfrNvData->CHAPType = AuthConfigData->CHAPType;
> > -
> > - IScsiAsciiStrToUnicodeStr (AuthConfigData->CHAPName, IfrNvData-
> > >CHAPName);
> > - IScsiAsciiStrToUnicodeStr (AuthConfigData->CHAPSecret, IfrNvData-
> > >CHAPSecret);
> > - IScsiAsciiStrToUnicodeStr (AuthConfigData->ReverseCHAPName,
> > IfrNvData->ReverseCHAPName);
> > - IScsiAsciiStrToUnicodeStr (AuthConfigData->ReverseCHAPSecret,
> > IfrNvData->ReverseCHAPSecret);
> > -}
> > -
> > -/**
> > - This function allows the caller to request the current
> > - configuration for one or more named elements. The resulting
> > - string is in <ConfigAltResp> format. Any and all alternative
> > - configuration strings shall also be appended to the end of the
> > - current configuration string. If they are, they must appear
> > - after the current configuration. They must contain the same
> > - routing (GUID, NAME, PATH) as the current configuration string.
> > - They must have an additional description indicating the type of
> > - alternative configuration the string represents,
> > - "ALTCFG=<StringToken>". That <StringToken> (when
> > - converted from Hex UNICODE to binary) is a reference to a
> > - string in the associated string pack.
> > -
> > - @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
> > - @param[in] Request A null-terminated Unicode string in
> > - <ConfigRequest> format. Note that this
> > - includes the routing information as well as
> > - the configurable name / value pairs. It is
> > - invalid for this string to be in
> > - <MultiConfigRequest> format.
> > - @param[out] Progress On return, points to a character in the
> > - Request string. Points to the string's null
> > - terminator if request was successful. Points
> > - to the most recent "&" before the first
> > - failing name / value pair (or the beginning
> > - of the string if the failure is in the first
> > - name / value pair) if the request was not
> > - successful.
> > - @param[out] Results A null-terminated Unicode string in
> > - <ConfigAltResp> format which has all values
> > - filled in for the names in the Request string.
> > - String to be allocated by the called function.
> > -
> > - @retval EFI_SUCCESS The Results string is filled with the
> > - values corresponding to all requested
> > - names.
> > - @retval EFI_OUT_OF_RESOURCES Not enough memory to store the
> > - parts of the results that must be
> > - stored awaiting possible future
> > - protocols.
> > - @retval EFI_INVALID_PARAMETER For example, passing in a NULL
> > - for the Request parameter
> > - would result in this type of
> > - error. In this case, the
> > - Progress parameter would be
> > - set to NULL.
> > - @retval EFI_NOT_FOUND Routing data doesn't match any
> > - known driver. Progress set to the
> > - first character in the routing header.
> > - Note: There is no requirement that
> the
> > - driver validate the routing data. It
> > - must skip the <ConfigHdr> in order to
> > - process the names.
> > - @retval EFI_INVALID_PARAMETER Illegal syntax. Progress set
> > - to most recent & before the
> > - error or the beginning of the
> > - string.
> > - @retval EFI_INVALID_PARAMETER Unknown name. Progress points
> > - to the & before the name in
> > - question.Currently not implemented.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiFormExtractConfig (
> > - IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> > - IN CONST EFI_STRING Request,
> > - OUT EFI_STRING *Progress,
> > - OUT EFI_STRING *Results
> > - )
> > -{
> > - EFI_STATUS Status;
> > - CHAR8 InitiatorName[ISCSI_NAME_MAX_SIZE];
> > - UINTN BufferSize;
> > - ISCSI_CONFIG_IFR_NVDATA *IfrNvData;
> > - ISCSI_FORM_CALLBACK_INFO *Private;
> > - EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
> > - EFI_STRING ConfigRequestHdr;
> > - EFI_STRING ConfigRequest;
> > - BOOLEAN AllocatedRequest;
> > - UINTN Size;
> > -
> > - if (Progress == NULL || Results == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - *Progress = Request;
> > - if ((Request != NULL) && !HiiIsConfigHdrMatch (Request,
> > &gIp4IScsiConfigGuid, mVendorStorageName)) {
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - ConfigRequestHdr = NULL;
> > - ConfigRequest = NULL;
> > - AllocatedRequest = FALSE;
> > - Size = 0;
> > -
> > - if (!mIScsiDeviceListUpdated) {
> > - //
> > - // Update the device list.
> > - //
> > - IScsiUpdateDeviceList ();
> > - mIScsiDeviceListUpdated = TRUE;
> > - }
> > -
> > - Private = ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK (This);
> > - IfrNvData = AllocateZeroPool (sizeof (ISCSI_CONFIG_IFR_NVDATA));
> > - ASSERT (IfrNvData != NULL);
> > - if (Private->Current != NULL) {
> > - IScsiConvertDeviceConfigDataToIfrNvData (Private->Current,
> IfrNvData);
> > - }
> > -
> > - BufferSize = ISCSI_NAME_MAX_SIZE;
> > - Status = gIScsiInitiatorName.Get (&gIScsiInitiatorName,
> &BufferSize,
> > InitiatorName);
> > - if (EFI_ERROR (Status)) {
> > - IfrNvData->InitiatorName[0] = L'\0';
> > - } else {
> > - IScsiAsciiStrToUnicodeStr (InitiatorName, IfrNvData->InitiatorName);
> > - }
> > -
> > - //
> > - // Convert buffer data to <ConfigResp> by helper function
> BlockToConfig()
> > - //
> > - HiiConfigRouting = Private->ConfigRouting;
> > - BufferSize = sizeof (ISCSI_CONFIG_IFR_NVDATA);
> > - ConfigRequest = Request;
> > - if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {
> > - //
> > - // Request has no request element, construct full request string.
> > - // Allocate and fill a buffer large enough to hold the <ConfigHdr>
> template
> > - // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW"
> > followed by a Null-terminator
> > - //
> > - ConfigRequestHdr = HiiConstructConfigHdr (&gIp4IScsiConfigGuid,
> > mVendorStorageName, Private->DriverHandle);
> > - Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);
> > - ConfigRequest = AllocateZeroPool (Size);
> > - ASSERT (ConfigRequest != NULL);
> > - AllocatedRequest = TRUE;
> > - UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX",
> > ConfigRequestHdr, (UINT64)BufferSize);
> > - FreePool (ConfigRequestHdr);
> > - }
> > - Status = HiiConfigRouting->BlockToConfig (
> > - HiiConfigRouting,
> > - ConfigRequest,
> > - (UINT8 *) IfrNvData,
> > - BufferSize,
> > - Results,
> > - Progress
> > - );
> > - FreePool (IfrNvData);
> > - //
> > - // Free the allocated config request string.
> > - //
> > - if (AllocatedRequest) {
> > - FreePool (ConfigRequest);
> > - ConfigRequest = NULL;
> > - }
> > -
> > - //
> > - // Set Progress string to the original request string.
> > - //
> > - if (Request == NULL) {
> > - *Progress = NULL;
> > - } else if (StrStr (Request, L"OFFSET") == NULL) {
> > - *Progress = Request + StrLen (Request);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - This function applies changes in a driver's configuration.
> > - Input is a Configuration, which has the routing data for this
> > - driver followed by name / value configuration pairs. The driver
> > - must apply those pairs to its configurable storage. If the
> > - driver's configuration is stored in a linear block of data
> > - and the driver's name / value pairs are in <BlockConfig>
> > - format, it may use the ConfigToBlock helper function (above) to
> > - simplify the job. Currently not implemented.
> > -
> > - @param[in] This Points to the
> EFI_HII_CONFIG_ACCESS_PROTOCOL.
> > - @param[in] Configuration A null-terminated Unicode string in
> > - <ConfigString> format.
> > - @param[out] Progress A pointer to a string filled in with the
> > - offset of the most recent '&' before the
> > - first failing name / value pair (or the
> > - beginn ing of the string if the failure
> > - is in the first name / value pair) or
> > - the terminating NULL if all was
> > - successful.
> > -
> > - @retval EFI_SUCCESS The results have been distributed or
> are
> > - awaiting distribution.
> > - @retval EFI_OUT_OF_RESOURCES Not enough memory to store the
> > - parts of the results that must be
> > - stored awaiting possible future
> > - protocols.
> > - @retval EFI_INVALID_PARAMETERS Passing in a NULL for the
> > - Results parameter would result
> > - in this type of error.
> > - @retval EFI_NOT_FOUND Target for the specified routing data
> > - was not found.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiFormRouteConfig (
> > - IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> > - IN CONST EFI_STRING Configuration,
> > - OUT EFI_STRING *Progress
> > - )
> > -{
> > - if (Configuration == NULL || Progress == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // Check routing data in <ConfigHdr>.
> > - // Note: if only one Storage is used, then this checking could be
> skipped.
> > - //
> > - if (!HiiIsConfigHdrMatch (Configuration, &gIp4IScsiConfigGuid,
> > mVendorStorageName)) {
> > - *Progress = Configuration;
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - *Progress = Configuration + StrLen (Configuration);
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - This function is called to provide results data to the driver.
> > - This data consists of a unique key that is used to identify
> > - which data is either being passed back or being asked for.
> > -
> > - @param[in] This Points to the
> EFI_HII_CONFIG_ACCESS_PROTOCOL.
> > - @param[in] Action Specifies the type of action taken by
> the browser.
> > - @param[in] QuestionId A unique value which is sent to the
> original
> > - exporting driver so that it can
> identify the type
> > - of data to expect. The format of the
> data tends to
> > - vary based on the opcode that enerated
> the callback.
> > - @param[in] Type The type of value for the question.
> > - @param[in] Value A pointer to the data being sent to
> the original
> > - exporting driver.
> > - @param[out] ActionRequest On return, points to the action
> requested
> > by the
> > - callback function.
> > -
> > - @retval EFI_SUCCESS The callback successfully handled the
> action.
> > - @retval EFI_OUT_OF_RESOURCES Not enough storage is available to
> hold
> > the
> > - variable and its data.
> > - @retval EFI_DEVICE_ERROR The variable could not be saved.
> > - @retval EFI_UNSUPPORTED The specified Action is not supported
> by
> > the
> > - callback.Currently not implemented.
> > - @retval EFI_INVALID_PARAMETERS Passing in wrong parameter.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiFormCallback (
> > - IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
> > - IN EFI_BROWSER_ACTION Action,
> > - IN EFI_QUESTION_ID QuestionId,
> > - IN UINT8 Type,
> > - IN EFI_IFR_TYPE_VALUE *Value,
> > - OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
> > - )
> > -{
> > - ISCSI_FORM_CALLBACK_INFO *Private;
> > - UINTN BufferSize;
> > - CHAR8 IScsiName[ISCSI_NAME_MAX_SIZE];
> > - CHAR16 PortString[128];
> > - CHAR8 Ip4String[IP4_STR_MAX_SIZE];
> > - CHAR8 LunString[ISCSI_LUN_STR_MAX_LEN];
> > - UINT64 Lun;
> > - EFI_STRING_ID DeviceFormTitleToken;
> > - ISCSI_CONFIG_IFR_NVDATA *IfrNvData;
> > - ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
> > - EFI_IP_ADDRESS HostIp;
> > - EFI_IP_ADDRESS SubnetMask;
> > - EFI_IP_ADDRESS Gateway;
> > - EFI_STATUS Status;
> > - EFI_INPUT_KEY Key;
> > -
> > - if (Action != EFI_BROWSER_ACTION_CHANGING && Action !=
> > EFI_BROWSER_ACTION_CHANGED) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - Private = ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK (This);
> > - //
> > - // Retrieve uncommitted data from Browser
> > - //
> > - IfrNvData = AllocateZeroPool (sizeof (ISCSI_CONFIG_IFR_NVDATA));
> > - ASSERT (IfrNvData != NULL);
> > - if (!HiiGetBrowserData (&gIp4IScsiConfigGuid, mVendorStorageName,
> > sizeof (ISCSI_CONFIG_IFR_NVDATA), (UINT8 *) IfrNvData)) {
> > - FreePool (IfrNvData);
> > - return EFI_NOT_FOUND;
> > - }
> > - Status = EFI_SUCCESS;
> > -
> > - if (Action == EFI_BROWSER_ACTION_CHANGING) {
> > - if ((QuestionId >= KEY_DEVICE_ENTRY_BASE) && (QuestionId <
> > (mNumberOfIScsiDevices + KEY_DEVICE_ENTRY_BASE))) {
> > - //
> > - // In case goto the device configuration form, update the device
> form
> > title.
> > - //
> > - ConfigFormEntry = IScsiGetConfigFormEntryByIndex ((UINT32)
> > (QuestionId - KEY_DEVICE_ENTRY_BASE));
> > - ASSERT (ConfigFormEntry != NULL);
> > -
> > - UnicodeSPrint (PortString, (UINTN) sizeof (PortString),
> L"Port %s",
> > ConfigFormEntry->MacString);
> > - DeviceFormTitleToken = (EFI_STRING_ID)
> > STR_ISCSI_DEVICE_FORM_TITLE;
> > - HiiSetString (Private->RegisteredHandle, DeviceFormTitleToken,
> > PortString, NULL);
> > -
> > - IScsiConvertDeviceConfigDataToIfrNvData (ConfigFormEntry,
> IfrNvData);
> > -
> > - Private->Current = ConfigFormEntry;
> > - }
> > - } else if (Action == EFI_BROWSER_ACTION_CHANGED) {
> > - switch (QuestionId) {
> > - case KEY_INITIATOR_NAME:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->InitiatorName, IScsiName);
> > - BufferSize = AsciiStrSize (IScsiName);
> > -
> > - Status = gIScsiInitiatorName.Set (&gIScsiInitiatorName,
> &BufferSize,
> > IScsiName);
> > - if (EFI_ERROR (Status)) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid iSCSI Name!", NULL);
> > - }
> > -
> > - *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
> > - break;
> > -
> > - case KEY_LOCAL_IP:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->LocalIp, Ip4String);
> > - Status = IScsiAsciiStrToIp (Ip4String, &HostIp.v4);
> > - if (EFI_ERROR (Status) ||
> > - ((Private->Current->SessionConfigData.SubnetMask.Addr[0] != 0)
> &&
> > - !NetIp4IsUnicast (NTOHL (HostIp.Addr[0]),
> NTOHL(*(UINT32*)Private-
> > >Current->SessionConfigData.SubnetMask.Addr)))) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid IP address!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - } else {
> > - CopyMem (&Private->Current->SessionConfigData.LocalIp,
> &HostIp.v4,
> > sizeof (HostIp.v4));
> > - }
> > -
> > - break;
> > -
> > - case KEY_SUBNET_MASK:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->SubnetMask, Ip4String);
> > - Status = IScsiAsciiStrToIp (Ip4String, &SubnetMask.v4);
> > - if (EFI_ERROR (Status) || ((SubnetMask.Addr[0] != 0) &&
> > (IScsiGetSubnetMaskPrefixLength (&SubnetMask.v4) == 0))) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid Subnet Mask!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - } else {
> > - CopyMem (&Private->Current->SessionConfigData.SubnetMask,
> > &SubnetMask.v4, sizeof (SubnetMask.v4));
> > - }
> > -
> > - break;
> > -
> > - case KEY_GATE_WAY:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->Gateway, Ip4String);
> > - Status = IScsiAsciiStrToIp (Ip4String, &Gateway.v4);
> > - if (EFI_ERROR (Status) ||
> > - ((Gateway.Addr[0] != 0) &&
> > - (Private->Current->SessionConfigData.SubnetMask.Addr[0] != 0)
> &&
> > - !NetIp4IsUnicast (NTOHL (Gateway.Addr[0]),
> > NTOHL(*(UINT32*)Private->Current-
> > >SessionConfigData.SubnetMask.Addr)))) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid Gateway!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - } else {
> > - CopyMem (&Private->Current->SessionConfigData.Gateway,
> > &Gateway.v4, sizeof (Gateway.v4));
> > - }
> > -
> > - break;
> > -
> > - case KEY_TARGET_IP:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->TargetIp, Ip4String);
> > - Status = IScsiAsciiStrToIp (Ip4String, &HostIp.v4);
> > - if (EFI_ERROR (Status) || IP4_IS_LOCAL_BROADCAST
> > (EFI_NTOHL(HostIp.v4)) || IP4_IS_UNSPECIFIED (EFI_NTOHL(HostIp.v4))) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid IP address!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - } else {
> > - CopyMem (&Private->Current->SessionConfigData.TargetIp,
> &HostIp.v4,
> > sizeof (HostIp.v4));
> > - }
> > -
> > - break;
> > -
> > - case KEY_TARGET_NAME:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->TargetName, IScsiName);
> > - Status = IScsiNormalizeName (IScsiName, AsciiStrLen (IScsiName));
> > - if (EFI_ERROR (Status)) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid iSCSI Name!", NULL);
> > - } else {
> > - AsciiStrCpyS (Private->Current->SessionConfigData.TargetName,
> > ISCSI_NAME_MAX_SIZE, IScsiName);
> > - }
> > -
> > - break;
> > -
> > - case KEY_DHCP_ENABLE:
> > - if (IfrNvData->InitiatorInfoFromDhcp == 0) {
> > - IfrNvData->TargetInfoFromDhcp = 0;
> > - }
> > -
> > - break;
> > -
> > - case KEY_BOOT_LUN:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->BootLun, LunString);
> > - Status = IScsiAsciiStrToLun (LunString, (UINT8 *) &Lun);
> > - if (EFI_ERROR (Status)) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Invalid LUN string!", NULL);
> > - } else {
> > - CopyMem (Private->Current->SessionConfigData.BootLun, &Lun,
> sizeof
> > (Lun));
> > - }
> > -
> > - break;
> > -
> > - case KEY_CHAP_NAME:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->CHAPName, Private->Current-
> > >AuthConfigData.CHAPName);
> > - break;
> > -
> > - case KEY_CHAP_SECRET:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->CHAPSecret, Private-
> >Current-
> > >AuthConfigData.CHAPSecret);
> > - break;
> > -
> > - case KEY_REVERSE_CHAP_NAME:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->ReverseCHAPName, Private-
> > >Current->AuthConfigData.ReverseCHAPName);
> > - break;
> > -
> > - case KEY_REVERSE_CHAP_SECRET:
> > - IScsiUnicodeStrToAsciiStr (IfrNvData->ReverseCHAPSecret, Private-
> > >Current->AuthConfigData.ReverseCHAPSecret);
> > - break;
> > -
> > - case KEY_CONFIG_ISID:
> > - IScsiParseIsIdFromString (IfrNvData->IsId, Private->Current-
> > >SessionConfigData.IsId);
> > - IScsiConvertIsIdToString (IfrNvData->IsId, Private->Current-
> > >SessionConfigData.IsId);
> > -
> > - break;
> > -
> > - case KEY_SAVE_CHANGES:
> > - //
> > - // First, update those fields which don't have INTERACTIVE set.
> > - //
> > - Private->Current->SessionConfigData.Enabled =
> IfrNvData-
> > >Enabled;
> > - Private->Current->SessionConfigData.InitiatorInfoFromDhcp =
> IfrNvData-
> > >InitiatorInfoFromDhcp;
> > - Private->Current->SessionConfigData.TargetPort =
> IfrNvData-
> > >TargetPort;
> > - if (Private->Current->SessionConfigData.TargetPort == 0) {
> > - Private->Current->SessionConfigData.TargetPort =
> > ISCSI_WELL_KNOWN_PORT;
> > - }
> > -
> > - Private->Current->SessionConfigData.TargetInfoFromDhcp =
> IfrNvData-
> > >TargetInfoFromDhcp;
> > - Private->Current->AuthConfigData.CHAPType =
> IfrNvData-
> > >CHAPType;
> > -
> > - //
> > - // Only do full parameter validation if iSCSI is enabled on this
> device.
> > - //
> > - if (Private->Current->SessionConfigData.Enabled) {
> > - //
> > - // Validate the address configuration of the Initiator if DHCP
> isn't
> > - // deployed.
> > - //
> > - if (!Private->Current->SessionConfigData.InitiatorInfoFromDhcp)
> {
> > - CopyMem (&HostIp.v4, &Private->Current-
> >SessionConfigData.LocalIp,
> > sizeof (HostIp.v4));
> > - CopyMem (&SubnetMask.v4, &Private->Current-
> > >SessionConfigData.SubnetMask, sizeof (SubnetMask.v4));
> > - CopyMem (&Gateway.v4, &Private->Current-
> > >SessionConfigData.Gateway, sizeof (Gateway.v4));
> > -
> > - if ((Gateway.Addr[0] != 0)) {
> > - if (SubnetMask.Addr[0] == 0) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Gateway address is set but subnet mask is zero.", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - } else if (!IP4_NET_EQUAL (HostIp.Addr[0], Gateway.Addr[0],
> > SubnetMask.Addr[0])) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Local IP and Gateway are not in the same subnet.", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > - }
> > - }
> > - //
> > - // Validate target configuration if DHCP isn't deployed.
> > - //
> > - if (!Private->Current->SessionConfigData.TargetInfoFromDhcp) {
> > - CopyMem (&HostIp.v4, &Private->Current-
> > >SessionConfigData.TargetIp, sizeof (HostIp.v4));
> > - if (IP4_IS_UNSPECIFIED (NTOHL (HostIp.Addr[0])) ||
> > IP4_IS_LOCAL_BROADCAST (NTOHL (HostIp.Addr[0]))) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Target IP is invalid!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > -
> > - //
> > - // Validate iSCSI target name configuration again:
> > - // The format of iSCSI target name is already verified when
> user input
> > the name;
> > - // here we only check the case user does not input the name.
> > - //
> > - if (Private->Current->SessionConfigData.TargetName[0] == '\0')
> {
> > - CreatePopUp (
> > - EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
> > - &Key,
> > - L"iSCSI target name is NULL!",
> > - NULL
> > - );
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > -
> > - }
> > -
> > - if (IfrNvData->CHAPType != ISCSI_CHAP_NONE) {
> > - if ((IfrNvData->CHAPName[0] == '\0') || (IfrNvData-
> >CHAPSecret[0] ==
> > '\0')) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"CHAP Name or CHAP Secret is invalid!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > -
> > - if ((IfrNvData->CHAPType == ISCSI_CHAP_MUTUAL) &&
> > - ((IfrNvData->ReverseCHAPName[0] == '\0') || (IfrNvData-
> > >ReverseCHAPSecret[0] == '\0'))
> > - ) {
> > - CreatePopUp (EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE, &Key,
> > L"Reverse CHAP Name or Reverse CHAP Secret is invalid!", NULL);
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > - }
> > - }
> > -
> > - BufferSize = sizeof (Private->Current->SessionConfigData);
> > - gRT->SetVariable (
> > - Private->Current->MacString,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - ISCSI_CONFIG_VAR_ATTR,
> > - BufferSize,
> > - &Private->Current->SessionConfigData
> > - );
> > -
> > - BufferSize = sizeof (Private->Current->AuthConfigData);
> > - gRT->SetVariable (
> > - Private->Current->MacString,
> > - &gIScsiCHAPAuthInfoGuid,
> > - ISCSI_CONFIG_VAR_ATTR,
> > - BufferSize,
> > - &Private->Current->AuthConfigData
> > - );
> > - *ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
> > - break;
> > -
> > - default:
> > - break;
> > - }
> > - }
> > -
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Pass changed uncommitted data back to Form Browser
> > - //
> > - HiiSetBrowserData (&gIp4IScsiConfigGuid, mVendorStorageName, sizeof
> > (ISCSI_CONFIG_IFR_NVDATA), (UINT8 *) IfrNvData, NULL);
> > - }
> > -
> > - FreePool (IfrNvData);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Updates the iSCSI configuration form to add/delete an entry for the
> iSCSI
> > - device specified by the Controller.
> > -
> > - @param[in] DriverBindingHandle The driverbinding handle.
> > - @param[in] Controller The controller handle of the iSCSI
> device.
> > - @param[in] AddForm Whether to add or delete a form entry.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> updated.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigUpdateForm (
> > - IN EFI_HANDLE DriverBindingHandle,
> > - IN EFI_HANDLE Controller,
> > - IN BOOLEAN AddForm
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
> > - BOOLEAN EntryExisted;
> > - EFI_STATUS Status;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - UINT16 VlanId;
> > - CHAR16 PortString[128];
> > - UINT16 FormIndex;
> > - UINTN BufferSize;
> > - VOID *StartOpCodeHandle;
> > - VOID *EndOpCodeHandle;
> > - EFI_IFR_GUID_LABEL *StartLabel;
> > - EFI_IFR_GUID_LABEL *EndLabel;
> > -
> > - ConfigFormEntry = NULL;
> > - EntryExisted = FALSE;
> > -
> > - NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
> > - ConfigFormEntry = NET_LIST_USER_STRUCT (Entry,
> > ISCSI_CONFIG_FORM_ENTRY, Link);
> > -
> > - if (ConfigFormEntry->Controller == Controller) {
> > - EntryExisted = TRUE;
> > - break;
> > - }
> > - }
> > -
> > - if (AddForm) {
> > - if (EntryExisted) {
> > - return EFI_SUCCESS;
> > - } else {
> > - //
> > - // Add a new form.
> > - //
> > - ConfigFormEntry = (ISCSI_CONFIG_FORM_ENTRY *) AllocateZeroPool
> > (sizeof (ISCSI_CONFIG_FORM_ENTRY));
> > - if (ConfigFormEntry == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - InitializeListHead (&ConfigFormEntry->Link);
> > - ConfigFormEntry->Controller = Controller;
> > -
> > - //
> > - // Get the MAC address and convert it into the formatted string.
> > - //
> > - Status = NetLibGetMacAddress (Controller, &MacAddress,
> > &HwAddressSize);
> > - ASSERT (Status == EFI_SUCCESS);
> > - VlanId = NetLibGetVlanId (Controller);
> > -
> > - IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId,
> > ConfigFormEntry->MacString);
> > -
> > - //
> > - // Get the normal session configuration data.
> > - //
> > - BufferSize = sizeof (ConfigFormEntry->SessionConfigData);
> > - Status = gRT->GetVariable (
> > - ConfigFormEntry->MacString,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - NULL,
> > - &BufferSize,
> > - &ConfigFormEntry->SessionConfigData
> > - );
> > - if (EFI_ERROR (Status)) {
> > - ZeroMem (&ConfigFormEntry->SessionConfigData, sizeof
> > (ConfigFormEntry->SessionConfigData));
> > -
> > - //
> > - // Generate OUI-format ISID based on MAC address.
> > - //
> > - CopyMem (ConfigFormEntry->SessionConfigData.IsId, &MacAddress,
> 6);
> > - ConfigFormEntry->SessionConfigData.IsId[0] =
> > - (UINT8) (ConfigFormEntry->SessionConfigData.IsId[0] & 0x3F);
> > - }
> > - //
> > - // Get the CHAP authentication configuration data.
> > - //
> > - BufferSize = sizeof (ConfigFormEntry->AuthConfigData);
> > - Status = gRT->GetVariable (
> > - ConfigFormEntry->MacString,
> > - &gIScsiCHAPAuthInfoGuid,
> > - NULL,
> > - &BufferSize,
> > - &ConfigFormEntry->AuthConfigData
> > - );
> > - if (EFI_ERROR (Status)) {
> > - ZeroMem (&ConfigFormEntry->AuthConfigData, sizeof
> > (ConfigFormEntry->AuthConfigData));
> > - }
> > - //
> > - // Compose the Port string and create a new EFI_STRING_ID.
> > - //
> > - UnicodeSPrint (PortString, sizeof (PortString), L"Port %s",
> > ConfigFormEntry->MacString);
> > - ConfigFormEntry->PortTitleToken = HiiSetString (mCallbackInfo-
> > >RegisteredHandle, 0, PortString, NULL);
> > -
> > - //
> > - // Compose the help string of this port and create a new
> EFI_STRING_ID.
> > - //
> > - UnicodeSPrint (PortString, sizeof (PortString), L"Set the iSCSI
> parameters
> > on port %s", ConfigFormEntry->MacString);
> > - ConfigFormEntry->PortTitleHelpToken = HiiSetString
> (mCallbackInfo-
> > >RegisteredHandle, 0, PortString, NULL);
> > -
> > - InsertTailList (&mIScsiConfigFormList, &ConfigFormEntry->Link);
> > - mNumberOfIScsiDevices++;
> > - }
> > - } else {
> > - ASSERT (EntryExisted);
> > -
> > - mNumberOfIScsiDevices--;
> > - RemoveEntryList (&ConfigFormEntry->Link);
> > - FreePool (ConfigFormEntry);
> > - mCallbackInfo->Current = NULL;
> > - }
> > - //
> > - // Allocate space for creation of Buffer
> > - //
> > -
> > - //
> > - // Init OpCode Handle
> > - //
> > - StartOpCodeHandle = HiiAllocateOpCodeHandle ();
> > - ASSERT (StartOpCodeHandle != NULL);
> > -
> > - EndOpCodeHandle = HiiAllocateOpCodeHandle ();
> > - ASSERT (EndOpCodeHandle != NULL);
> > -
> > - //
> > - // Create Hii Extend Label OpCode as the start opcode
> > - //
> > - StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode
> > (StartOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof
> > (EFI_IFR_GUID_LABEL));
> > - StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
> > - StartLabel->Number = DEVICE_ENTRY_LABEL;
> > -
> > - //
> > - // Create Hii Extend Label OpCode as the end opcode
> > - //
> > - EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode
> > (EndOpCodeHandle, &gEfiIfrTianoGuid, NULL, sizeof (EFI_IFR_GUID_LABEL));
> > - EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
> > - EndLabel->Number = LABEL_END;
> > -
> > - FormIndex = 0;
> > - NET_LIST_FOR_EACH (Entry, &mIScsiConfigFormList) {
> > - ConfigFormEntry = NET_LIST_USER_STRUCT (Entry,
> > ISCSI_CONFIG_FORM_ENTRY, Link);
> > -
> > - HiiCreateGotoOpCode (
> > - StartOpCodeHandle, // Container for
> dynamic created
> > opcodes
> > - FORMID_DEVICE_FORM, // Target Form ID
> > - ConfigFormEntry->PortTitleToken, // Prompt text
> > - ConfigFormEntry->PortTitleHelpToken, // Help text
> > - EFI_IFR_FLAG_CALLBACK, // Question flag
> > - (UINT16)(KEY_DEVICE_ENTRY_BASE + FormIndex) // Question ID
> > - );
> > -
> > - FormIndex++;
> > - }
> > -
> > - HiiUpdateForm (
> > - mCallbackInfo->RegisteredHandle,
> > - &gIp4IScsiConfigGuid,
> > - FORMID_MAIN_FORM,
> > - StartOpCodeHandle, // Label DEVICE_ENTRY_LABEL
> > - EndOpCodeHandle // LABEL_END
> > - );
> > -
> > - HiiFreeOpCodeHandle (StartOpCodeHandle);
> > - HiiFreeOpCodeHandle (EndOpCodeHandle);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Initialize the iSCSI configuration form.
> > -
> > - @param[in] DriverBindingHandle The iSCSI driverbinding handle.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> initialized.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigFormInit (
> > - VOID
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
> > - ISCSI_FORM_CALLBACK_INFO *CallbackInfo;
> > -
> > - Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL,
> (VOID
> > **)&HiiDatabase);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - CallbackInfo = (ISCSI_FORM_CALLBACK_INFO *) AllocateZeroPool (sizeof
> > (ISCSI_FORM_CALLBACK_INFO));
> > - if (CallbackInfo == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - CallbackInfo->Signature = ISCSI_FORM_CALLBACK_INFO_SIGNATURE;
> > - CallbackInfo->HiiDatabase = HiiDatabase;
> > - CallbackInfo->Current = NULL;
> > -
> > - CallbackInfo->ConfigAccess.ExtractConfig = IScsiFormExtractConfig;
> > - CallbackInfo->ConfigAccess.RouteConfig = IScsiFormRouteConfig;
> > - CallbackInfo->ConfigAccess.Callback = IScsiFormCallback;
> > -
> > - Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL,
> > (VOID **)&CallbackInfo->ConfigRouting);
> > - if (EFI_ERROR (Status)) {
> > - FreePool(CallbackInfo);
> > - return Status;
> > - }
> > -
> > - //
> > - // Install Device Path Protocol and Config Access protocol to driver
> handle
> > - //
> > - Status = gBS->InstallMultipleProtocolInterfaces (
> > - &CallbackInfo->DriverHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - &mIScsiHiiVendorDevicePath,
> > - &gEfiHiiConfigAccessProtocolGuid,
> > - &CallbackInfo->ConfigAccess,
> > - NULL
> > - );
> > - ASSERT_EFI_ERROR (Status);
> > -
> > - //
> > - // Publish our HII data
> > - //
> > - CallbackInfo->RegisteredHandle = HiiAddPackages (
> > - &gIp4IScsiConfigGuid,
> > - CallbackInfo->DriverHandle,
> > - IScsi4DxeStrings,
> > - IScsiConfigDxeBin,
> > - NULL
> > - );
> > - if (CallbackInfo->RegisteredHandle == NULL) {
> > - FreePool(CallbackInfo);
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - mCallbackInfo = CallbackInfo;
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Unload the iSCSI configuration form, this includes: delete all the
> iSCSI
> > - device configuration entries, uninstall the form callback protocol
> and
> > - free the resources used.
> > -
> > - @param[in] DriverBindingHandle The iSCSI driverbinding handle.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> unloaded.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigFormUnload (
> > - IN EFI_HANDLE DriverBindingHandle
> > - )
> > -{
> > - ISCSI_CONFIG_FORM_ENTRY *ConfigFormEntry;
> > -
> > - while (!IsListEmpty (&mIScsiConfigFormList)) {
> > - //
> > - // Uninstall the device forms as the iSCSI driver instance may fail
> to
> > - // control the controller but still install the device
> configuration form.
> > - // In such case, upon driver unloading, the driver instance's
> driverbinding.
> > - // stop () won't be called, so we have to take this chance here to
> uninstall
> > - // the device form.
> > - //
> > - ConfigFormEntry = NET_LIST_USER_STRUCT
> > (mIScsiConfigFormList.ForwardLink, ISCSI_CONFIG_FORM_ENTRY, Link);
> > - IScsiConfigUpdateForm (DriverBindingHandle, ConfigFormEntry-
> > >Controller, FALSE);
> > - }
> > -
> > - //
> > - // Remove HII package list
> > - //
> > - mCallbackInfo->HiiDatabase->RemovePackageList (
> > - mCallbackInfo->HiiDatabase,
> > - mCallbackInfo->RegisteredHandle
> > - );
> > -
> > - //
> > - // Uninstall EFI_HII_CONFIG_ACCESS_PROTOCOL
> > - //
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - mCallbackInfo->DriverHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - &mIScsiHiiVendorDevicePath,
> > - &gEfiHiiConfigAccessProtocolGuid,
> > - &mCallbackInfo->ConfigAccess,
> > - NULL
> > - );
> > - FreePool (mCallbackInfo);
> > -
> > - return EFI_SUCCESS;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.c
> > deleted file mode 100644
> > index 6a876c8b69dd..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.c
> > +++ /dev/null
> > @@ -1,472 +0,0 @@
> > -/** @file
> > - iSCSI DHCP related configuration routines.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -/**
> > - Extract the Root Path option and get the required target information.
> > -
> > - @param[in] RootPath The RootPath.
> > - @param[in] Length Length of the RootPath option
> payload.
> > - @param[in, out] ConfigNvData The iSCSI session configuration
> data read
> > from nonvolatile device.
> > -
> > - @retval EFI_SUCCESS All required information is extracted
> from the
> > RootPath option.
> > - @retval EFI_NOT_FOUND The RootPath is not an iSCSI RootPath.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_INVALID_PARAMETER The RootPath is mal-formatted.
> > -**/
> > -EFI_STATUS
> > -IScsiDhcpExtractRootPath (
> > - IN CHAR8 *RootPath,
> > - IN UINT8 Length,
> > - IN OUT ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData
> > - )
> > -{
> > - EFI_STATUS Status;
> > - UINT8 IScsiRootPathIdLen;
> > - CHAR8 *TmpStr;
> > - ISCSI_ROOT_PATH_FIELD Fields[RP_FIELD_IDX_MAX];
> > - ISCSI_ROOT_PATH_FIELD *Field;
> > - UINT32 FieldIndex;
> > - UINT8 Index;
> > -
> > - //
> > - // "iscsi:"<servername>":"<protocol>":"<port>":"<LUN>":"<targetname>
> > - //
> > - IScsiRootPathIdLen = (UINT8) AsciiStrLen (ISCSI_ROOT_PATH_ID);
> > -
> > - if ((Length <= IScsiRootPathIdLen) || (CompareMem (RootPath,
> > ISCSI_ROOT_PATH_ID, IScsiRootPathIdLen) != 0)) {
> > - return EFI_NOT_FOUND;
> > - }
> > - //
> > - // Skip the iSCSI RootPath ID "iscsi:".
> > - //
> > - RootPath += IScsiRootPathIdLen;
> > - Length = (UINT8) (Length - IScsiRootPathIdLen);
> > -
> > - TmpStr = (CHAR8 *) AllocatePool (Length + 1);
> > - if (TmpStr == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - CopyMem (TmpStr, RootPath, Length);
> > - TmpStr[Length] = '\0';
> > -
> > - Index = 0;
> > - FieldIndex = RP_FIELD_IDX_SERVERNAME;
> > - ZeroMem (&Fields[0], sizeof (Fields));
> > -
> > - //
> > - // Extract the fields in the Root Path option string.
> > - //
> > - for (FieldIndex = RP_FIELD_IDX_SERVERNAME; (FieldIndex <
> > RP_FIELD_IDX_MAX) && (Index < Length); FieldIndex++) {
> > - if (TmpStr[Index] != ISCSI_ROOT_PATH_FIELD_DELIMITER) {
> > - Fields[FieldIndex].Str = &TmpStr[Index];
> > - }
> > -
> > - while ((TmpStr[Index] != ISCSI_ROOT_PATH_FIELD_DELIMITER) && (Index
> > < Length)) {
> > - Index++;
> > - }
> > -
> > - if (TmpStr[Index] == ISCSI_ROOT_PATH_FIELD_DELIMITER) {
> > - if (FieldIndex != RP_FIELD_IDX_TARGETNAME) {
> > - TmpStr[Index] = '\0';
> > - Index++;
> > - }
> > -
> > - if (Fields[FieldIndex].Str != NULL) {
> > - Fields[FieldIndex].Len = (UINT8) AsciiStrLen
> (Fields[FieldIndex].Str);
> > - }
> > - }
> > - }
> > -
> > - if (FieldIndex != RP_FIELD_IDX_MAX) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > -
> > - if ((Fields[RP_FIELD_IDX_SERVERNAME].Str == NULL) ||
> > - (Fields[RP_FIELD_IDX_TARGETNAME].Str == NULL) ||
> > - (Fields[RP_FIELD_IDX_PROTOCOL].Len > 1)
> > - ) {
> > -
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Get the IP address of the target.
> > - //
> > - Field = &Fields[RP_FIELD_IDX_SERVERNAME];
> > - Status = IScsiAsciiStrToIp (Field->Str, &ConfigNvData->TargetIp);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Check the protocol type.
> > - //
> > - Field = &Fields[RP_FIELD_IDX_PROTOCOL];
> > - if ((Field->Str != NULL) && ((*(Field->Str) - '0') !=
> EFI_IP_PROTO_TCP)) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Get the port of the iSCSI target.
> > - //
> > - Field = &Fields[RP_FIELD_IDX_PORT];
> > - if (Field->Str != NULL) {
> > - ConfigNvData->TargetPort = (UINT16) AsciiStrDecimalToUintn (Field-
> >Str);
> > - } else {
> > - ConfigNvData->TargetPort = ISCSI_WELL_KNOWN_PORT;
> > - }
> > - //
> > - // Get the LUN.
> > - //
> > - Field = &Fields[RP_FIELD_IDX_LUN];
> > - if (Field->Str != NULL) {
> > - Status = IScsiAsciiStrToLun (Field->Str, ConfigNvData->BootLun);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - } else {
> > - ZeroMem (ConfigNvData->BootLun, sizeof (ConfigNvData->BootLun));
> > - }
> > - //
> > - // Get the target iSCSI Name.
> > - //
> > - Field = &Fields[RP_FIELD_IDX_TARGETNAME];
> > -
> > - if (AsciiStrLen (Field->Str) > ISCSI_NAME_MAX_SIZE - 1) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Validate the iSCSI name.
> > - //
> > - Status = IScsiNormalizeName (Field->Str, AsciiStrLen (Field->Str));
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - AsciiStrCpyS (ConfigNvData->TargetName, ISCSI_NAME_MAX_SIZE, Field-
> > >Str);
> > -
> > -ON_EXIT:
> > -
> > - FreePool (TmpStr);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - The callback function registerd to the DHCP4 instance which is used
> to
> > select
> > - the qualified DHCP OFFER.
> > -
> > - @param[in] This The DHCP4 protocol.
> > - @param[in] Context The context set when configuring the DHCP4
> > protocol.
> > - @param[in] CurrentState The current state of the DHCP4 protocol.
> > - @param[in] Dhcp4Event The event occurs in the current state.
> > - @param[in] Packet The DHCP packet that is to be sent or
> already
> > received.
> > - @param[out] NewPacket The packet used to replace the above Packet.
> > -
> > - @retval EFI_SUCCESS Either the DHCP OFFER is qualified or we're
> not
> > intereseted
> > - in the Dhcp4Event.
> > - @retval EFI_NOT_READY The DHCP OFFER packet doesn't match our
> > requirements.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDhcpSelectOffer (
> > - IN EFI_DHCP4_PROTOCOL * This,
> > - IN VOID *Context,
> > - IN EFI_DHCP4_STATE CurrentState,
> > - IN EFI_DHCP4_EVENT Dhcp4Event,
> > - IN EFI_DHCP4_PACKET * Packet, OPTIONAL
> > - OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
> > - )
> > -{
> > - EFI_STATUS Status;
> > - UINT32 OptionCount;
> > - EFI_DHCP4_PACKET_OPTION **OptionList;
> > - UINT32 Index;
> > -
> > - if ((Dhcp4Event != Dhcp4RcvdOffer) && (Dhcp4Event !=
> Dhcp4SelectOffer))
> > {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - OptionCount = 0;
> > -
> > - Status = This->Parse (This, Packet, &OptionCount, NULL);
> > - if (Status != EFI_BUFFER_TOO_SMALL) {
> > - return EFI_NOT_READY;
> > - }
> > -
> > - OptionList = AllocatePool (OptionCount * sizeof
> > (EFI_DHCP4_PACKET_OPTION *));
> > - if (OptionList == NULL) {
> > - return EFI_NOT_READY;
> > - }
> > -
> > - Status = This->Parse (This, Packet, &OptionCount, OptionList);
> > - if (EFI_ERROR (Status)) {
> > - FreePool (OptionList);
> > - return EFI_NOT_READY;
> > - }
> > -
> > - for (Index = 0; Index < OptionCount; Index++) {
> > - if (OptionList[Index]->OpCode != DHCP4_TAG_ROOTPATH) {
> > - continue;
> > - }
> > -
> > - Status = IScsiDhcpExtractRootPath (
> > - (CHAR8 *) &OptionList[Index]->Data[0],
> > - OptionList[Index]->Length,
> > - (ISCSI_SESSION_CONFIG_NVDATA *) Context
> > - );
> > -
> > - break;
> > - }
> > -
> > - if (Index == OptionCount) {
> > - Status = EFI_NOT_READY;
> > - }
> > -
> > - FreePool (OptionList);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Parse the DHCP ACK to get the address configuration and DNS
> information.
> > -
> > - @param[in] Dhcp4 The DHCP4 protocol.
> > - @param[in, out] ConfigData The session configuration data.
> > -
> > - @retval EFI_SUCCESS The DNS information is got from the
> DHCP ACK.
> > - @retval EFI_NO_MAPPING DHCP failed to acquire address and
> other
> > information.
> > - @retval EFI_INVALID_PARAMETER The DHCP ACK's DNS option is mal-
> > formatted.
> > - @retval EFI_DEVICE_ERROR Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiParseDhcpAck (
> > - IN EFI_DHCP4_PROTOCOL *Dhcp4,
> > - IN OUT ISCSI_SESSION_CONFIG_DATA *ConfigData
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_DHCP4_MODE_DATA Dhcp4ModeData;
> > - UINT32 OptionCount;
> > - EFI_DHCP4_PACKET_OPTION **OptionList;
> > - UINT32 Index;
> > -
> > - Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4ModeData);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - if (Dhcp4ModeData.State != Dhcp4Bound) {
> > - return EFI_NO_MAPPING;
> > - }
> > -
> > - CopyMem (&ConfigData->NvData.LocalIp,
> > &Dhcp4ModeData.ClientAddress, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&ConfigData->NvData.SubnetMask,
> > &Dhcp4ModeData.SubnetMask, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&ConfigData->NvData.Gateway,
> > &Dhcp4ModeData.RouterAddress, sizeof (EFI_IPv4_ADDRESS));
> > -
> > - OptionCount = 0;
> > - OptionList = NULL;
> > -
> > - Status = Dhcp4->Parse (Dhcp4, Dhcp4ModeData.ReplyPacket,
> > &OptionCount, OptionList);
> > - if (Status != EFI_BUFFER_TOO_SMALL) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - OptionList = AllocatePool (OptionCount * sizeof
> > (EFI_DHCP4_PACKET_OPTION *));
> > - if (OptionList == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Status = Dhcp4->Parse (Dhcp4, Dhcp4ModeData.ReplyPacket,
> > &OptionCount, OptionList);
> > - if (EFI_ERROR (Status)) {
> > - FreePool (OptionList);
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - for (Index = 0; Index < OptionCount; Index++) {
> > - //
> > - // Get DNS server addresses and DHCP server address from this offer.
> > - //
> > - if (OptionList[Index]->OpCode == DHCP4_TAG_DNS_SERVER) {
> > -
> > - if (((OptionList[Index]->Length & 0x3) != 0) ||
> (OptionList[Index]-
> > >Length == 0)) {
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > - //
> > - // Primary DNS server address.
> > - //
> > - CopyMem (&ConfigData->PrimaryDns, &OptionList[Index]->Data[0],
> > sizeof (EFI_IPv4_ADDRESS));
> > -
> > - if (OptionList[Index]->Length > 4) {
> > - //
> > - // Secondary DNS server address
> > - //
> > - CopyMem (&ConfigData->SecondaryDns, &OptionList[Index]->Data[4],
> > sizeof (EFI_IPv4_ADDRESS));
> > - }
> > - } else if (OptionList[Index]->OpCode == DHCP4_TAG_SERVER_ID) {
> > - if (OptionList[Index]->Length != 4) {
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > -
> > - CopyMem (&ConfigData->DhcpServer, &OptionList[Index]->Data[0],
> > sizeof (EFI_IPv4_ADDRESS));
> > - }
> > - }
> > -
> > - FreePool (OptionList);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Parse the DHCP ACK to get the address configuration and DNS
> information.
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller;
> > - @param[in, out] ConfigData The session configuration data.
> > -
> > - @retval EFI_SUCCESS The DNS information is got from the
> DHCP ACK.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NO_MEDIA There was a media error.
> > - @retval Others Other errors as indicated.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiDoDhcp (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller,
> > - IN OUT ISCSI_SESSION_CONFIG_DATA *ConfigData
> > - )
> > -{
> > - EFI_HANDLE Dhcp4Handle;
> > - EFI_DHCP4_PROTOCOL *Dhcp4;
> > - EFI_STATUS Status;
> > - EFI_DHCP4_PACKET_OPTION *ParaList;
> > - EFI_DHCP4_CONFIG_DATA Dhcp4ConfigData;
> > - EFI_STATUS MediaStatus;
> > - UINT8 *Data;
> > -
> > - Dhcp4Handle = NULL;
> > - Dhcp4 = NULL;
> > - ParaList = NULL;
> > -
> > - //
> > - // Check media status before do DHCP
> > - //
> > - MediaStatus = EFI_SUCCESS;
> > - NetLibDetectMediaWaitTimeout (Controller,
> > ISCSI_CHECK_MEDIA_GET_DHCP_WAITING_TIME, &MediaStatus);
> > - if (MediaStatus != EFI_SUCCESS) {
> > - return EFI_NO_MEDIA;
> > - }
> > -
> > - //
> > - // Create a DHCP4 child instance and get the protocol.
> > - //
> > - Status = NetLibCreateServiceChild (
> > - Controller,
> > - Image,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - &Dhcp4Handle
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Dhcp4Handle,
> > - &gEfiDhcp4ProtocolGuid,
> > - (VOID **)&Dhcp4,
> > - Image,
> > - Controller,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - ParaList = AllocatePool (sizeof (EFI_DHCP4_PACKET_OPTION) + 3);
> > - if (ParaList == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Ask the server to reply with Netmask, Router, DNS and RootPath
> options.
> > - //
> > - ParaList->OpCode = DHCP4_TAG_PARA_LIST;
> > - ParaList->Length = (UINT8) (ConfigData->NvData.TargetInfoFromDhcp ?
> 4 :
> > 3);
> > - Data = &ParaList->Data[0];
> > - Data[0] = DHCP4_TAG_NETMASK;
> > - Data[1] = DHCP4_TAG_ROUTER;
> > - Data[2] = DHCP4_TAG_DNS_SERVER;
> > - Data[3] = DHCP4_TAG_ROOTPATH;
> > -
> > - ZeroMem (&Dhcp4ConfigData, sizeof (EFI_DHCP4_CONFIG_DATA));
> > - Dhcp4ConfigData.OptionCount = 1;
> > - Dhcp4ConfigData.OptionList = &ParaList;
> > -
> > - if (ConfigData->NvData.TargetInfoFromDhcp) {
> > - //
> > - // Use callback to select an offer which contains target
> information.
> > - //
> > - Dhcp4ConfigData.Dhcp4Callback = IScsiDhcpSelectOffer;
> > - Dhcp4ConfigData.CallbackContext = &ConfigData->NvData;
> > - }
> > -
> > - Status = Dhcp4->Configure (Dhcp4, &Dhcp4ConfigData);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = Dhcp4->Start (Dhcp4, NULL);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Parse the ACK to get required information.
> > - //
> > - Status = IScsiParseDhcpAck (Dhcp4, ConfigData);
> > -
> > -ON_EXIT:
> > -
> > - if (ParaList != NULL) {
> > - FreePool (ParaList);
> > - }
> > -
> > - if (Dhcp4 != NULL) {
> > - Dhcp4->Stop (Dhcp4);
> > - Dhcp4->Configure (Dhcp4, NULL);
> > -
> > - gBS->CloseProtocol (
> > - Dhcp4Handle,
> > - &gEfiDhcp4ProtocolGuid,
> > - Image,
> > - Controller
> > - );
> > - }
> > -
> > - NetLibDestroyServiceChild (
> > - Controller,
> > - Image,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - Dhcp4Handle
> > - );
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.c
> > deleted file mode 100644
> > index 730f3e506bbc..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.c
> > +++ /dev/null
> > @@ -1,676 +0,0 @@
> > -/** @file
> > - The entry point of IScsi driver.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -EFI_DRIVER_BINDING_PROTOCOL gIScsiDriverBinding = {
> > - IScsiDriverBindingSupported,
> > - IScsiDriverBindingStart,
> > - IScsiDriverBindingStop,
> > - 0xa,
> > - NULL,
> > - NULL
> > -};
> > -
> > -/**
> > - Tests to see if this driver supports the RemainingDevicePath.
> > -
> > - @param[in] RemainingDevicePath A pointer to the remaining portion
> of a
> > device path. This
> > - parameter is ignored by device
> drivers, and is optional for
> > bus
> > - drivers. For bus drivers, if this
> parameter is not NULL, then
> > - the bus driver must determine if the
> bus controller
> > specified
> > - by ControllerHandle and the child
> controller specified
> > - by RemainingDevicePath are both
> supported by this
> > - bus driver.
> > -
> > - @retval EFI_SUCCESS The RemainingDevicePath is supported
> or
> > NULL.
> > - @retval EFI_UNSUPPORTED The device specified by
> ControllerHandle
> > and
> > - RemainingDevicePath is not supported
> by the driver
> > specified by This.
> > -**/
> > -EFI_STATUS
> > -IScsiIsDevicePathSupported (
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_DEVICE_PATH_PROTOCOL *CurrentDevicePath;
> > -
> > - CurrentDevicePath = RemainingDevicePath;
> > - if (CurrentDevicePath != NULL) {
> > - while (!IsDevicePathEnd (CurrentDevicePath)) {
> > - if ((CurrentDevicePath->Type == MESSAGING_DEVICE_PATH) &&
> > (CurrentDevicePath->SubType == MSG_ISCSI_DP)) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - CurrentDevicePath = NextDevicePathNode (CurrentDevicePath);
> > - }
> > -
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Tests to see if this driver supports a given controller. If a child
> device is
> > provided,
> > - it further tests to see if this driver supports creating a handle for
> the
> > specified child device.
> > -
> > - @param[in] This A pointer to the
> > EFI_DRIVER_BINDING_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of the controller to test.
> This
> > handle
> > - must support a protocol interface
> that supplies
> > - an I/O abstraction to the driver.
> > - @param[in] RemainingDevicePath A pointer to the remaining portion
> of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > -
> > - @retval EFI_SUCCESS The device specified by
> ControllerHandle and
> > - RemainingDevicePath is supported by
> the driver specified
> > by This.
> > - @retval EFI_ALREADY_STARTED The device specified by
> > ControllerHandle and
> > - RemainingDevicePath is already being
> managed by the
> > driver
> > - specified by This.
> > - @retval EFI_ACCESS_DENIED The device specified by
> ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by a
> > different
> > - driver or an application that
> requires exclusive acces.
> > - Currently not implemented.
> > - @retval EFI_UNSUPPORTED The device specified by
> ControllerHandle
> > and
> > - RemainingDevicePath is not supported
> by the driver
> > specified by This.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiCallerIdGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - return EFI_ALREADY_STARTED;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - Status = IScsiIsDevicePathSupported (RemainingDevicePath);
> > - if (EFI_ERROR (Status)) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - if (IScsiDhcpIsConfigured (ControllerHandle)) {
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return EFI_UNSUPPORTED;
> > - }
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Start this driver on ControllerHandle.
> > -
> > - The Start() function is designed to be invoked from the EFI boot
> service
> > ConnectController().
> > - As a result, much of the error checking on the parameters to Start()
> has
> > been moved into this
> > - common boot service. It is legal to call Start() from other locations,
> but the
> > following calling
> > - restrictions must be followed or the system behavior will not be
> > deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE.
> > - 2. If RemainingDevicePath is not NULL, then it must be a pointer to a
> > naturally aligned
> > - EFI_DEVICE_PATH_PROTOCOL.
> > - 3. Prior to calling Start(), the Supported() function for the driver
> specified
> > by This must
> > - have been called with the same calling parameters, and Supported()
> must
> > have returned EFI_SUCCESS.
> > -
> > - @param[in] This A pointer to the
> > EFI_DRIVER_BINDING_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of the controller to
> start. This
> > handle
> > - must support a protocol interface
> that supplies
> > - an I/O abstraction to the driver.
> > - @param[in] RemainingDevicePath A pointer to the remaining portion
> of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > - @retval EFI_SUCCESS The device was started.
> > - @retval EFI_DEVICE_ERROR The device could not be started due
> to a
> > device error.
> > - Currently not implemented.
> > - @retval EFI_OUT_OF_RESOURCES The request could not be completed
> > due to a lack of resources.
> > - @retval Others The driver failded to start the
> device.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_DRIVER_DATA *Private;
> > - VOID *Interface;
> > -
> > - Private = IScsiCreateDriverData (This->DriverBindingHandle,
> > ControllerHandle);
> > - if (Private == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - //
> > - // Create a underlayer child instance, but not need to configure it.
> Just
> > open ChildHandle
> > - // via BY_DRIVER. That is, establishing the relationship between
> > ControllerHandle and ChildHandle.
> > - // Therefore, when DisconnectController(), especially VLAN virtual
> > controller handle,
> > - // IScsiDriverBindingStop() will be called.
> > - //
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - &Private->ChildHandle
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->ChildHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - &Interface,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Always install private protocol no matter what happens later. We
> need
> > to
> > - // keep the relationship between ControllerHandle and ChildHandle.
> > - //
> > - Status = gBS->InstallProtocolInterface (
> > - &ControllerHandle,
> > - &gEfiCallerIdGuid,
> > - EFI_NATIVE_INTERFACE,
> > - &Private->IScsiIdentifier
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Try to add a port configuration page for this controller.
> > - //
> > - IScsiConfigUpdateForm (This->DriverBindingHandle, ControllerHandle,
> > TRUE);
> > -
> > - //
> > - // Get the iSCSI configuration data of this controller.
> > - //
> > - Status = IScsiGetConfigData (Private);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // Try to login and create an iSCSI session according to the
> configuration.
> > - //
> > - Status = IScsiSessionLogin (Private);
> > - if (Status == EFI_MEDIA_CHANGED) {
> > - //
> > - // The specified target is not available and the redirection
> information is
> > - // got, login the session again with the updated target address.
> > - //
> > - Status = IScsiSessionLogin (Private);
> > - }
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // Duplicate the Session's tcp connection device path. The source
> port field
> > - // will be set to zero as one iSCSI session is comprised of several
> iSCSI
> > - // connections.
> > - //
> > - Private->DevicePath = IScsiGetTcpConnDevicePath (Private);
> > - if (Private->DevicePath == NULL) {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // Install the updated device path onto the ExtScsiPassThruHandle.
> > - //
> > - Status = gBS->InstallProtocolInterface (
> > - &Private->ExtScsiPassThruHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - EFI_NATIVE_INTERFACE,
> > - Private->DevicePath
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // ISCSI children should share the default Tcp child, just open the
> default
> > Tcp child via BY_CHILD_CONTROLLER.
> > - //
> > - Status = gBS->OpenProtocol (
> > - Private->ChildHandle, /// Default Tcp child
> > - &gEfiTcp4ProtocolGuid,
> > - &Interface,
> > - This->DriverBindingHandle,
> > - Private->ExtScsiPassThruHandle,
> > - EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - Private->ExtScsiPassThruHandle,
> > - &gEfiExtScsiPassThruProtocolGuid,
> > - &Private->IScsiExtScsiPassThru,
> > - &gEfiDevicePathProtocolGuid,
> > - Private->DevicePath,
> > - NULL
> > - );
> > -
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Update/Publish the iSCSI Boot Firmware Table.
> > - //
> > - IScsiPublishIbft ();
> > -
> > - return EFI_SUCCESS;
> > -
> > -ON_ERROR:
> > -
> > - IScsiSessionAbort (&Private->Session);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Stop this driver on ControllerHandle.
> > -
> > - Release the control of this controller and remove the IScsi functions.
> The
> > Stop()
> > - function is designed to be invoked from the EFI boot service
> > DisconnectController().
> > - As a result, much of the error checking on the parameters to Stop()
> has
> > been moved
> > - into this common boot service. It is legal to call Stop() from other
> locations,
> > - but the following calling restrictions must be followed or the system
> > behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE that was used on a
> > previous call to this
> > - same driver's Start() function.
> > - 2. The first NumberOfChildren handles of ChildHandleBuffer must all
> be a
> > valid
> > - EFI_HANDLE. In addition, all of these handles must have been
> created in
> > this driver's
> > - Start() function, and the Start() function must have called
> OpenProtocol()
> > on
> > - ControllerHandle with an Attribute of
> > EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
> > -
> > - @param[in] This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param[in] ControllerHandle A handle to the device being stopped.
> The
> > handle must
> > - support a bus specific I/O protocol for
> the driver
> > - to use to stop the device.
> > - @param[in] NumberOfChildren The number of child device handles in
> > ChildHandleBuffer.Not used.
> > - @param[in] ChildHandleBuffer An array of child handles to be freed.
> May
> > be NULL
> > - if NumberOfChildren is 0.Not used.
> > -
> > - @retval EFI_SUCCESS The device was stopped.
> > - @retval EFI_DEVICE_ERROR The device could not be stopped due to
> a
> > device error.
> > - @retval EFI_INVALID_PARAMETER Child handle is NULL.
> > - @retval EFI_ACCESS_DENIED The protocol could not be removed from
> > the Handle
> > - because its interfaces are being used.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
> > - )
> > -{
> > - EFI_HANDLE IScsiController;
> > - EFI_STATUS Status;
> > - ISCSI_PRIVATE_PROTOCOL *IScsiIdentifier;
> > - ISCSI_DRIVER_DATA *Private;
> > - EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru;
> > - ISCSI_CONNECTION *Conn;
> > -
> > - if (NumberOfChildren != 0) {
> > - //
> > - // We should have only one child.
> > - //
> > - Status = gBS->OpenProtocol (
> > - ChildHandleBuffer[0],
> > - &gEfiExtScsiPassThruProtocolGuid,
> > - (VOID **) &PassThru,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (PassThru);
> > - Conn = NET_LIST_HEAD (&Private->Session.Conns, ISCSI_CONNECTION,
> > Link);
> > -
> > - //
> > - // Previously the TCP4 protocol is opened BY_CHILD_CONTROLLER. Just
> > close
> > - // the protocol here but not uninstall the device path protocol and
> > - // EXT SCSI PASS THRU protocol installed on ExtScsiPassThruHandle.
> > - //
> > - gBS->CloseProtocol (
> > - Private->ChildHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - Private->Image,
> > - Private->ExtScsiPassThruHandle
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Conn->Tcp4Io.Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - Private->Image,
> > - Private->ExtScsiPassThruHandle
> > - );
> > -
> > - return EFI_SUCCESS;
> > - }
> > - //
> > - // Get the handle of the controller we are controling.
> > - //
> > - IScsiController = NetLibGetNicHandle (ControllerHandle,
> > &gEfiTcp4ProtocolGuid);
> > -
> > - Status = gBS->OpenProtocol (
> > - IScsiController,
> > - &gEfiCallerIdGuid,
> > - (VOID **)&IScsiIdentifier,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_IDENTIFIER (IScsiIdentifier);
> > -
> > - if (Private->ChildHandle != NULL) {
> > - Status = gBS->CloseProtocol (
> > - Private->ChildHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - IScsiController
> > - );
> > -
> > - ASSERT (!EFI_ERROR (Status));
> > -
> > - Status = NetLibDestroyServiceChild (
> > - IScsiController,
> > - This->DriverBindingHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - Private->ChildHandle
> > - );
> > - ASSERT (!EFI_ERROR (Status));
> > - }
> > -
> > - IScsiConfigUpdateForm (This->DriverBindingHandle, IScsiController,
> FALSE);
> > -
> > - //
> > - // Uninstall the private protocol.
> > - //
> > - gBS->UninstallProtocolInterface (
> > - IScsiController,
> > - &gEfiCallerIdGuid,
> > - &Private->IScsiIdentifier
> > - );
> > -
> > - //
> > - // Update the iSCSI Boot Firware Table.
> > - //
> > - IScsiPublishIbft ();
> > -
> > - IScsiSessionAbort (&Private->Session);
> > - Status = IScsiCleanDriverData (Private);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Unloads an image(the iSCSI driver).
> > -
> > - @param[in] ImageHandle Handle that identifies the image to be
> > unloaded.
> > -
> > - @retval EFI_SUCCESS The image has been unloaded.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiIScsiUnload (
> > - IN EFI_HANDLE ImageHandle
> > - )
> > -{
> > - EFI_STATUS Status;
> > - UINTN DeviceHandleCount;
> > - EFI_HANDLE *DeviceHandleBuffer;
> > - UINTN Index;
> > - EFI_COMPONENT_NAME_PROTOCOL *ComponentName;
> > - EFI_COMPONENT_NAME2_PROTOCOL *ComponentName2;
> > -
> > - //
> > - // Try to disonnect the driver from the devices it's controlling.
> > - //
> > - Status = gBS->LocateHandleBuffer (
> > - AllHandles,
> > - NULL,
> > - NULL,
> > - &DeviceHandleCount,
> > - &DeviceHandleBuffer
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - for (Index = 0; Index < DeviceHandleCount; Index++) {
> > - Status = IScsiTestManagedDevice (
> > - DeviceHandleBuffer[Index],
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - &gEfiTcp4ProtocolGuid
> > - );
> > - if (EFI_ERROR (Status)) {
> > - continue;
> > - }
> > - Status = gBS->DisconnectController (
> > - DeviceHandleBuffer[Index],
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - NULL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - //
> > - // Unload the iSCSI configuration form.
> > - //
> > - Status = IScsiConfigFormUnload
> (gIScsiDriverBinding.DriverBindingHandle);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - // Uninstall the ComponentName and ComponentName2 protocol from
> > iSCSI4 driver binding handle
> > - // if it has been installed.
> > - //
> > - Status = gBS->HandleProtocol (
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - &gEfiComponentNameProtocolGuid,
> > - (VOID **) &ComponentName
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - Status = gBS->UninstallMultipleProtocolInterfaces (
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - &gEfiComponentNameProtocolGuid,
> > - ComponentName,
> > - NULL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - Status = gBS->HandleProtocol (
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - &gEfiComponentName2ProtocolGuid,
> > - (VOID **) &ComponentName2
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - gIScsiDriverBinding.DriverBindingHandle,
> > - &gEfiComponentName2ProtocolGuid,
> > - ComponentName2,
> > - NULL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - Status = gBS->UninstallMultipleProtocolInterfaces (
> > - ImageHandle,
> > - &gEfiDriverBindingProtocolGuid,
> > - &gIScsiDriverBinding,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - &gIScsiInitiatorName,
> > - NULL
> > - );
> > -ON_EXIT:
> > -
> > - if (DeviceHandleBuffer != NULL) {
> > - FreePool (DeviceHandleBuffer);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - This is the declaration of an EFI image entry point. This entry point
> is
> > - the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers
> including
> > - both device drivers and bus drivers. It initialize the global
> variables and
> > - publish the driver binding protocol.
> > -
> > - @param[in] ImageHandle The firmware allocated handle for the
> UEFI
> > image.
> > - @param[in] SystemTable A pointer to the EFI System Table.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_ACCESS_DENIED EFI_ISCSI_INITIATOR_NAME_PROTOCOL
> > was installed unexpectedly.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverEntryPoint (
> > - IN EFI_HANDLE ImageHandle,
> > - IN EFI_SYSTEM_TABLE *SystemTable
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_ISCSI_INITIATOR_NAME_PROTOCOL *IScsiInitiatorName;
> > -
> > - //
> > - // There should be only one EFI_ISCSI_INITIATOR_NAME_PROTOCOL.
> > - //
> > - Status = gBS->LocateProtocol (
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - NULL,
> > - (VOID**) &IScsiInitiatorName
> > - );
> > -
> > - if (!EFI_ERROR (Status)) {
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - //
> > - // Initialize the EFI Driver Library
> > - //
> > - Status = EfiLibInstallDriverBindingComponentName2 (
> > - ImageHandle,
> > - SystemTable,
> > - &gIScsiDriverBinding,
> > - ImageHandle,
> > - &gIScsiComponentName,
> > - &gIScsiComponentName2
> > - );
> > -
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Install the iSCSI Initiator Name Protocol.
> > - //
> > - Status = gBS->InstallProtocolInterface (
> > - &ImageHandle,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - EFI_NATIVE_INTERFACE,
> > - &gIScsiInitiatorName
> > - );
> > - if (EFI_ERROR (Status)) {
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - ImageHandle,
> > - &gEfiDriverBindingProtocolGuid,
> > - &gIScsiDriverBinding,
> > - &gEfiComponentName2ProtocolGuid,
> > - &gIScsiComponentName2,
> > - &gEfiComponentNameProtocolGuid,
> > - &gIScsiComponentName,
> > - NULL
> > - );
> > - return Status;
> > - }
> > -
> > - //
> > - // Initialize the configuration form of iSCSI.
> > - //
> > - Status = IScsiConfigFormInit ();
> > - if (EFI_ERROR (Status)) {
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - ImageHandle,
> > - &gEfiDriverBindingProtocolGuid,
> > - &gIScsiDriverBinding,
> > - &gEfiComponentName2ProtocolGuid,
> > - &gIScsiComponentName2,
> > - &gEfiComponentNameProtocolGuid,
> > - &gIScsiComponentName,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - &gIScsiInitiatorName,
> > - NULL
> > - );
> > - }
> > - }
> > - return Status;
> > -}
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.c
> > deleted file mode 100644
> > index db2d6d19366e..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.c
> > +++ /dev/null
> > @@ -1,412 +0,0 @@
> > -/** @file
> > - The IScsi's EFI_EXT_SCSI_PASS_THRU_PROTOCOL driver.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -/**
> > - Sends a SCSI Request Packet to a SCSI device that is attached to the
> SCSI
> > channel. This function
> > - supports both blocking I/O and nonblocking I/O. The blocking I/O
> > functionality is required, and the
> > - nonblocking I/O functionality is optional.
> > -
> > - @param[in] This A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > - @param[in] Target The Target is an array of size
> TARGET_MAX_BYTES
> > and it represents
> > - the id of the SCSI device to send the SCSI
> Request Packet. Each
> > - transport driver may chose to utilize a
> subset of this size to suit
> > the needs
> > - of transport target representation. For
> example, a Fibre
> > Channel driver
> > - may use only 8 bytes (WWN) to represent an FC
> target.
> > - @param[in] Lun The LUN of the SCSI device to send the SCSI
> Request
> > Packet.
> > - @param[in, out] Packet A pointer to the SCSI Request Packet to send
> to
> > the SCSI device
> > - specified by Target and Lun.
> > - @param[in] Event If nonblocking I/O is not supported then
> Event is
> > ignored, and blocking
> > - I/O is performed. If Event is NULL, then
> blocking I/O is
> > performed. If
> > - Event is not NULL and non blocking I/O is
> supported, then
> > - nonblocking I/O is performed, and Event will
> be signaled when
> > the
> > - SCSI Request Packet completes.
> > -
> > - @retval EFI_SUCCESS The SCSI Request Packet was sent by the
> host.
> > For bi-directional
> > - commands, InTransferLength bytes were
> transferred from
> > - InDataBuffer. For write and bi-
> directional commands,
> > - OutTransferLength bytes were
> transferred by
> > - OutDataBuffer.
> > - @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was not
> > executed. The number of bytes that
> > - could be transferred is returned in
> InTransferLength. For
> > write
> > - and bi-directional commands,
> OutTransferLength bytes
> > were
> > - transferred by OutDataBuffer. Currently
> not implemeted.
> > - @retval EFI_NOT_READY The SCSI Request Packet could not be
> sent
> > because there are too many
> > - SCSI Request Packets already queued.
> The caller may retry
> > again later.
> > - @retval EFI_DEVICE_ERROR A device error occurred while
> attempting to
> > send the SCSI Request
> > - Packet.
> > - @retval EFI_INVALID_PARAMETER Target, Lun, or the contents of
> > ScsiRequestPacket are invalid.
> > - @retval EFI_UNSUPPORTED The command described by the SCSI
> > Request Packet is not supported
> > - by the host adapter. This includes the
> case of Bi-directional
> > SCSI
> > - commands not supported by the
> implementation. The SCSI
> > Request
> > - Packet was not sent, so no additional
> status information is
> > available.
> > - Currently not implemeted.
> > - @retval EFI_TIMEOUT A timeout occurred while waiting for
> the SCSI
> > Request Packet to execute.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruFunction (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN UINT8 *Target,
> > - IN UINT64 Lun,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
> > - IN EFI_EVENT Event
> OPTIONAL
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData;
> > - EFI_STATUS Status;
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (This);
> > - ConfigNvData = &Private->Session.ConfigData.NvData;
> > -
> > - if (Target[0] != 0 || (CompareMem (&Lun, ConfigNvData->BootLun,
> sizeof
> > (UINT64)) != 0)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((Packet == NULL) || (Packet->Cdb == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = IScsiExecuteScsiCommand (This, Target, Lun, Packet);
> > - if ((Status != EFI_SUCCESS) && (Status != EFI_NOT_READY)) {
> > - //
> > - // Try to reinstate the session and re-execute the Scsi command.
> > - //
> > - if (EFI_ERROR (IScsiSessionReinstatement (Private))) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - Status = IScsiExecuteScsiCommand (This, Target, Lun, Packet);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Used to retrieve the list of legal Target IDs and LUNs for SCSI
> devices on a
> > SCSI channel. These
> > - can either be the list SCSI devices that are actually present on the
> SCSI
> > channel, or the list of legal
> > - Target Ids and LUNs for the SCSI channel. Regardless, the caller of
> this
> > function must probe the
> > - Target ID and LUN returned to see if a SCSI device is actually
> present at that
> > location on the SCSI
> > - channel.
> > -
> > - @param[in] This A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > - @param[in, out] Target On input, a pointer to the Target ID (an
> array of
> > size
> > - TARGET_MAX_BYTES) of a SCSI device present
> on the SCSI
> > channel.
> > - On output, a pointer to the Target ID (an
> array of
> > - TARGET_MAX_BYTES) of the next SCSI device
> present on a
> > SCSI
> > - channel. An input value of 0xF(all bytes in
> the array are 0xF) in
> > the
> > - Target array retrieves the Target ID of the
> first SCSI device
> > present on a
> > - SCSI channel.
> > - @param[in, out] Lun On input, a pointer to the LUN of a SCSI
> device
> > present on the SCSI
> > - channel. On output, a pointer to the LUN of
> the next SCSI
> > device present
> > - on a SCSI channel.
> > -
> > - @retval EFI_SUCCESS The Target ID and LUN of the next SCSI
> device
> > on the SCSI
> > - channel was returned in Target and Lun.
> > - @retval EFI_INVALID_PARAMETER Target array is not all 0xF, and Target
> > and Lun were
> > - not returned on a previous call to
> GetNextTargetLun().
> > - @retval EFI_NOT_FOUND There are no more SCSI devices on this
> SCSI
> > channel.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruGetNextTargetLun (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN OUT UINT8 **Target,
> > - IN OUT UINT64 *Lun
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData;
> > - UINT8 TargetId[TARGET_MAX_BYTES];
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (This);
> > - ConfigNvData = &Private->Session.ConfigData.NvData;
> > -
> > - if ((*Target)[0] == 0 && (CompareMem (Lun, ConfigNvData->BootLun,
> > sizeof (UINT64)) == 0)) {
> > - //
> > - // Only one <Target, Lun> pair per iSCSI Driver instance.
> > - //
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);
> > - if (CompareMem (*Target, TargetId, TARGET_MAX_BYTES) == 0) {
> > - (*Target)[0] = 0;
> > - CopyMem (Lun, ConfigNvData->BootLun, sizeof (UINT64));
> > -
> > - return EFI_SUCCESS;
> > - }
> > -
> > - return EFI_INVALID_PARAMETER;
> > -}
> > -
> > -/**
> > - Used to allocate and build a device path node for a SCSI device on a
> SCSI
> > channel.
> > -
> > - @param[in] This A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > - @param[in] Target The Target is an array of size
> TARGET_MAX_BYTES
> > and it specifies the
> > - Target ID of the SCSI device for which a
> device path node is to
> > be
> > - allocated and built. Transport drivers
> may chose to utilize a
> > subset of
> > - this size to suit the representation of
> targets. For example, a
> > Fibre
> > - Channel driver may use only 8 bytes (WWN)
> in the array to
> > represent a
> > - FC target.
> > - @param[in] Lun The LUN of the SCSI device for which a
> device path
> > node is to be
> > - allocated and built.
> > - @param[in, out] DevicePath A pointer to a single device path node
> that
> > describes the SCSI device
> > - specified by Target and Lun. This
> function is responsible for
> > - allocating the buffer DevicePath with the
> boot service
> > - AllocatePool(). It is the caller's
> responsibility to free
> > - DevicePath when the caller is finished
> with DevicePath.
> > -
> > - @retval EFI_SUCCESS The device path node that describes the
> SCSI
> > device specified by
> > - Target and Lun was allocated and
> returned in
> > - DevicePath.
> > - @retval EFI_INVALID_PARAMETER DevicePath is NULL.
> > - @retval EFI_NOT_FOUND The SCSI devices specified by Target
> and Lun
> > does not exist
> > - on the SCSI channel.
> > - @retval EFI_OUT_OF_RESOURCES There are not enough resources to
> > allocate DevicePath.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruBuildDevicePath (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN UINT8 *Target,
> > - IN UINT64 Lun,
> > - IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_SESSION *Session;
> > - ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData;
> > - ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfig;
> > - EFI_DEV_PATH *Node;
> > - UINTN DevPathNodeLen;
> > -
> > - if (DevicePath == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (Target[0] != 0) {
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (This);
> > - Session = &Private->Session;
> > - ConfigNvData = &Session->ConfigData.NvData;
> > - AuthConfig = &Session->AuthData.AuthConfig;
> > -
> > - if (CompareMem (&Lun, ConfigNvData->BootLun, sizeof (UINT64)) != 0) {
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - DevPathNodeLen = sizeof (ISCSI_DEVICE_PATH) + AsciiStrLen
> > (ConfigNvData->TargetName) + 1;
> > - Node = AllocatePool (DevPathNodeLen);
> > - if (Node == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Node->DevPath.Type = MESSAGING_DEVICE_PATH;
> > - Node->DevPath.SubType = MSG_ISCSI_DP;
> > - SetDevicePathNodeLength (&Node->DevPath, (UINT16)DevPathNodeLen);
> > -
> > - //
> > - // 0 for TCP, others are reserved.
> > - //
> > - Node->Iscsi.NetworkProtocol = 0;
> > -
> > - Node->Iscsi.LoginOption = 0;
> > - switch (AuthConfig->CHAPType) {
> > - case ISCSI_CHAP_NONE:
> > - Node->Iscsi.LoginOption |= 0x0800;
> > - break;
> > -
> > - case ISCSI_CHAP_UNI:
> > - Node->Iscsi.LoginOption |= 0x1000;
> > - break;
> > -
> > - default:
> > - break;
> > - }
> > -
> > - CopyMem (&Node->Iscsi.Lun, ConfigNvData->BootLun, sizeof (UINT64));
> > - Node->Iscsi.TargetPortalGroupTag = Session->TargetPortalGroupTag;
> > - AsciiStrCpyS ((CHAR8 *) Node + sizeof (ISCSI_DEVICE_PATH),
> AsciiStrLen
> > (ConfigNvData->TargetName) + 1, ConfigNvData->TargetName);
> > -
> > - *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Node;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Used to translate a device path node to a Target ID and LUN.
> > -
> > - @param[in] This A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > - @param[in] DevicePath A pointer to a single device path node that
> > describes the SCSI device
> > - on the SCSI channel.
> > - @param[out] Target A pointer to the Target Array which represents
> the
> > ID of a SCSI device
> > - on the SCSI channel.
> > - @param[out] Lun A pointer to the LUN of a SCSI device on the
> SCSI
> > channel.
> > -
> > - @retval EFI_SUCCESS DevicePath was successfully translated
> to a
> > Target ID and
> > - LUN, and they were returned in Target
> and Lun.
> > - @retval EFI_INVALID_PARAMETER DevicePath or Target or Lun is NULL.
> > - @retval EFI_NOT_FOUND A valid translation from DevicePath to
> a
> > Target ID and LUN
> > - does not exist.Currently not
> implemented.
> > - @retval EFI_UNSUPPORTED This driver does not support the device
> > path node type in
> > - DevicePath.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruGetTargetLun (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
> > - OUT UINT8 **Target,
> > - OUT UINT64 *Lun
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_SESSION_CONFIG_NVDATA *ConfigNvData;
> > -
> > - if ((DevicePath == NULL) || (Target == NULL) || (Lun == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||
> > - (DevicePath->SubType != MSG_ISCSI_DP) ||
> > - (DevicePathNodeLength (DevicePath) <= sizeof (ISCSI_DEVICE_PATH))
> > - ) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (This);
> > - ConfigNvData = &Private->Session.ConfigData.NvData;
> > -
> > - SetMem (*Target, TARGET_MAX_BYTES, 0xFF);
> > - (*Target)[0] = 0;
> > -
> > - if (AsciiStrCmp (ConfigNvData->TargetName, (CHAR8 *) DevicePath +
> > sizeof (ISCSI_DEVICE_PATH)) != 0) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - CopyMem (Lun, ConfigNvData->BootLun, sizeof (UINT64));
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Resets a SCSI channel. This operation resets all the SCSI devices
> connected
> > to the SCSI channel.
> > - Currently not implemented.
> > -
> > - @param[in] This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL
> > instance.
> > -
> > - @retval EFI_SUCCESS The SCSI channel was reset.
> > - @retval EFI_DEVICE_ERROR A device error occurred while attempting to
> > reset the SCSI channel.
> > - @retval EFI_TIMEOUT A timeout occurred while attempting to reset
> the
> > SCSI channel.
> > - @retval EFI_UNSUPPORTED The SCSI channel does not support a channel
> > reset operation.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruResetChannel (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This
> > - )
> > -{
> > - return EFI_UNSUPPORTED;
> > -}
> > -
> > -/**
> > - Resets a SCSI logical unit that is connected to a SCSI channel.
> Currently not
> > implemented.
> > -
> > - @param[in] This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL
> > instance.
> > - @param[in] Target The Target is an array of size TARGET_MAX_BYTE and
> it
> > represents the
> > - target port ID of the SCSI device containing the
> SCSI logical unit to
> > - reset. Transport drivers may chose to utilize a
> subset of this array
> > to suit
> > - the representation of their targets.
> > - @param[in] Lun The LUN of the SCSI device to reset.
> > -
> > - @retval EFI_SUCCESS The SCSI device specified by Target and
> Lun was
> > reset.
> > - @retval EFI_INVALID_PARAMETER Target or Lun is NULL.
> > - @retval EFI_TIMEOUT A timeout occurred while attempting to
> reset
> > the SCSI device
> > - specified by Target and Lun.
> > - @retval EFI_UNSUPPORTED The SCSI channel does not support a
> target
> > reset operation.
> > - @retval EFI_DEVICE_ERROR A device error occurred while
> attempting to
> > reset the SCSI device
> > - specified by Target and Lun.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruResetTargetLun (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN UINT8 *Target,
> > - IN UINT64 Lun
> > - )
> > -{
> > - return EFI_UNSUPPORTED;
> > -}
> > -
> > -/**
> > - Used to retrieve the list of legal Target IDs for SCSI devices on a
> SCSI
> > channel. These can either
> > - be the list SCSI devices that are actually present on the SCSI
> channel, or the
> > list of legal Target IDs
> > - for the SCSI channel. Regardless, the caller of this function must
> probe the
> > Target ID returned to
> > - see if a SCSI device is actually present at that location on the SCSI
> channel.
> > -
> > - @param[in] This A pointer to the
> > EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.
> > - @param[in, out] Target (TARGET_MAX_BYTES) of a SCSI device present
> > on the SCSI channel.
> > - On output, a pointer to the Target ID (an
> array of
> > - TARGET_MAX_BYTES) of the next SCSI device
> present on a
> > SCSI
> > - channel. An input value of 0xF(all bytes in
> the array are 0xF) in
> > the
> > - Target array retrieves the Target ID of the
> first SCSI device
> > present on a
> > - SCSI channel.
> > -
> > - @retval EFI_SUCCESS The Target ID of the next SCSI device
> on the
> > SCSI
> > - channel was returned in Target.
> > - @retval EFI_INVALID_PARAMETER Target or Lun is NULL.
> > - @retval EFI_TIMEOUT Target array is not all 0xF, and Target
> were not
> > - returned on a previous call to
> GetNextTarget().
> > - Currently not implemented.
> > - @retval EFI_NOT_FOUND There are no more SCSI devices on this
> SCSI
> > channel.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiExtScsiPassThruGetNextTarget (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,
> > - IN OUT UINT8 **Target
> > - )
> > -{
> > - UINT8 TargetId[TARGET_MAX_BYTES];
> > -
> > - SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);
> > -
> > - if (CompareMem (*Target, TargetId, TARGET_MAX_BYTES) == 0) {
> > - (*Target)[0] = 0;
> > - return EFI_SUCCESS;
> > - } else if ((*Target)[0] == 0) {
> > - return EFI_NOT_FOUND;
> > - } else {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -}
> > -
> > -EFI_EXT_SCSI_PASS_THRU_PROTOCOL
> > gIScsiExtScsiPassThruProtocolTemplate = {
> > - NULL,
> > - IScsiExtScsiPassThruFunction,
> > - IScsiExtScsiPassThruGetNextTargetLun,
> > - IScsiExtScsiPassThruBuildDevicePath,
> > - IScsiExtScsiPassThruGetTargetLun,
> > - IScsiExtScsiPassThruResetChannel,
> > - IScsiExtScsiPassThruResetTargetLun,
> > - IScsiExtScsiPassThruGetNextTarget
> > -};
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c
> > deleted file mode 100644
> > index 58c5447dcbd1..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.c
> > +++ /dev/null
> > @@ -1,539 +0,0 @@
> > -/** @file
> > - Implementation for iSCSI Boot Firmware Table publication.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -BOOLEAN mIbftInstalled = FALSE;
> > -UINTN mTableKey;
> > -
> > -/**
> > - Initialize the header of the iSCSI Boot Firmware Table.
> > -
> > - @param[out] Header The header of the iSCSI Boot Firmware Table.
> > - @param[in] OemId The OEM ID.
> > - @param[in] OemTableId The OEM table ID for the iBFT.
> > -**/
> > -VOID
> > -IScsiInitIbfTableHeader (
> > - OUT EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Header,
> > - IN UINT8 *OemId,
> > - IN UINT64 *OemTableId
> > - )
> > -{
> > - ZeroMem (Header, sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER));
> > -
> > - Header->Signature =
> > EFI_ACPI_3_0_ISCSI_BOOT_FIRMWARE_TABLE_SIGNATURE;
> > - Header->Length = IBFT_HEAP_OFFSET;
> > - Header->Revision = EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_REVISION;
> > - Header->Checksum = 0;
> > -
> > - CopyMem (Header->OemId, OemId, sizeof (Header->OemId));
> > - CopyMem (&Header->OemTableId, OemTableId, sizeof (UINT64));
> > -}
> > -
> > -/**
> > - Initialize the control section of the iSCSI Boot Firmware Table.
> > -
> > - @param[in] Table The ACPI table.
> > - @param[in] HandleCount The number of the handles associated with
> iSCSI
> > sessions, it's
> > - equal to the number of iSCSI sessions.
> > -**/
> > -VOID
> > -IScsiInitControlSection (
> > - IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table,
> > - IN UINTN HandleCount
> > - )
> > -{
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE
> > *Control;
> > - UINTN NumOffset;
> > -
> > - Control =
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table
> > + 1);
> > -
> > - ZeroMem (Control, sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE));
> > -
> > - Control->Header.StructureId =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE_ID;
> > - Control->Header.Version =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE_VERSION;
> > - Control->Header.Length = (UINT16) sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE);
> > -
> > - //
> > - // Each session occupies two offsets, one for the NIC section,
> > - // the other for the Target section.
> > - //
> > - NumOffset = 2 * HandleCount;
> > - if (NumOffset > 4) {
> > - //
> > - // Need expand the control section if more than 2 NIC/Target
> sections
> > - // exist.
> > - //
> > - Control->Header.Length = (UINT16) (Control->Header.Length +
> > (NumOffset - 4) * sizeof (UINT16));
> > - }
> > -}
> > -
> > -/**
> > - Add one item into the heap.
> > -
> > - @param[in, out] Heap On input, the current address of the heap; On
> > output, the address of
> > - the heap after the item is added.
> > - @param[in] Data The data to add into the heap.
> > - @param[in] Len Length of the Data in byte.
> > -**/
> > -VOID
> > -IScsiAddHeapItem (
> > - IN OUT UINT8 **Heap,
> > - IN VOID *Data,
> > - IN UINTN Len
> > - )
> > -{
> > - //
> > - // Add one byte for the NULL delimiter.
> > - //
> > - *Heap -= Len + 1;
> > -
> > - CopyMem (*Heap, Data, Len);
> > - *(*Heap + Len) = 0;
> > -}
> > -
> > -/**
> > - Fill the Initiator section of the iSCSI Boot Firmware Table.
> > -
> > - @param[in] Table The ACPI table.
> > - @param[in, out] Heap The heap.
> > - @param[in] Handle The handle associated with the iSCSI
> session.
> > -**/
> > -VOID
> > -IScsiFillInitiatorSection (
> > - IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table,
> > - IN OUT UINT8 **Heap,
> > - IN EFI_HANDLE Handle
> > - )
> > -{
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE
> > *Control;
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE
> > *Initiator;
> > - ISCSI_DRIVER_DATA *DriverData;
> > - ISCSI_SESSION *Session;
> > - ISCSI_PRIVATE_PROTOCOL
> *IScsiIdentifier;
> > - EFI_STATUS Status;
> > -
> > - Control =
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table
> > + 1);
> > -
> > - //
> > - // Initiator section immediately follows the control section.
> > - //
> > - Initiator =
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE *)
> > ((UINT8 *) Control + IBFT_ROUNDUP (Control->Header.Length));
> > -
> > - Control->InitiatorOffset = (UINT16) ((UINTN) Initiator - (UINTN)
> Table);
> > -
> > - ZeroMem (Initiator, sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE));
> > -
> > - Initiator->Header.StructureId =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_ID;
> > - Initiator->Header.Version =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_VERSIO
> > N;
> > - Initiator->Header.Length = (UINT16) sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE);
> > - Initiator->Header.Flags =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_FLAG_B
> > LOCK_VALID |
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE_FLAG_B
> > OOT_SELECTED;
> > -
> > - //
> > - // Get the identifier from the handle.
> > - //
> > - Status = gBS->HandleProtocol (Handle, &gEfiCallerIdGuid, (VOID **)
> > &IScsiIdentifier);
> > - if (EFI_ERROR (Status)) {
> > - ASSERT (FALSE);
> > - return ;
> > - }
> > -
> > - DriverData = ISCSI_DRIVER_DATA_FROM_IDENTIFIER (IScsiIdentifier);
> > - Session = &DriverData->Session;
> > -
> > - //
> > - // Fill the iSCSI Initiator Name into the heap.
> > - //
> > - IScsiAddHeapItem (Heap, Session->InitiatorName, Session-
> > >InitiatorNameLength - 1);
> > -
> > - Initiator->IScsiNameLength = (UINT16) (Session->InitiatorNameLength
> - 1);
> > - Initiator->IScsiNameOffset = (UINT16) ((UINTN) *Heap - (UINTN)
> Table);
> > -}
> > -
> > -/**
> > - Map the v4 IP address into v6 IP address.
> > -
> > - @param[in] V4 The v4 IP address.
> > - @param[out] V6 The v6 IP address.
> > -**/
> > -VOID
> > -IScsiMapV4ToV6Addr (
> > - IN EFI_IPv4_ADDRESS *V4,
> > - OUT EFI_IPv6_ADDRESS *V6
> > - )
> > -{
> > - UINTN Index;
> > -
> > - ZeroMem (V6, sizeof (EFI_IPv6_ADDRESS));
> > -
> > - V6->Addr[10] = 0xff;
> > - V6->Addr[11] = 0xff;
> > -
> > - for (Index = 0; Index < 4; Index++) {
> > - V6->Addr[12 + Index] = V4->Addr[Index];
> > - }
> > -}
> > -
> > -/**
> > - Get the NIC's PCI location and return it according to the composited
> > - format defined in iSCSI Boot Firmware Table.
> > -
> > - @param[in] Controller The handle of the controller.
> > -
> > - @return UINT16 The composited representation of the NIC PCI
> > location.
> > - @retval 0 Other errors as indicated.
> > -**/
> > -UINT16
> > -IScsiGetNICPciLocation (
> > - IN EFI_HANDLE Controller
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_DEVICE_PATH_PROTOCOL *DevicePath;
> > - EFI_HANDLE PciIoHandle;
> > - EFI_PCI_IO_PROTOCOL *PciIo;
> > - UINTN Segment;
> > - UINTN Bus;
> > - UINTN Device;
> > - UINTN Function;
> > -
> > - Status = gBS->HandleProtocol (
> > - Controller,
> > - &gEfiDevicePathProtocolGuid,
> > - (VOID **)&DevicePath
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return 0;
> > - }
> > -
> > - Status = gBS->LocateDevicePath (
> > - &gEfiPciIoProtocolGuid,
> > - &DevicePath,
> > - &PciIoHandle
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return 0;
> > - }
> > -
> > - Status = gBS->HandleProtocol (PciIoHandle, &gEfiPciIoProtocolGuid,
> (VOID
> > **)&PciIo);
> > - if (EFI_ERROR (Status)) {
> > - return 0;
> > - }
> > -
> > - Status = PciIo->GetLocation (PciIo, &Segment, &Bus, &Device,
> &Function);
> > - if (EFI_ERROR (Status)) {
> > - return 0;
> > - }
> > -
> > - return (UINT16) ((Bus << 8) | (Device << 3) | Function);
> > -}
> > -
> > -/**
> > - Fill the NIC and target sections in iSCSI Boot Firmware Table.
> > -
> > - @param[in] Table The buffer of the ACPI table.
> > - @param[in, out] Heap The heap buffer used to store the
> variable
> > length parameters such as iSCSI name.
> > - @param[in] HandleCount Count The number of handles having iSCSI
> > private protocol installed.
> > - @param[in] Handles The handle buffer.
> > -**/
> > -VOID
> > -IScsiFillNICAndTargetSections (
> > - IN EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table,
> > - IN OUT UINT8 **Heap,
> > - IN UINTN HandleCount,
> > - IN EFI_HANDLE *Handles
> > - )
> > -{
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE
> > *Control;
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *Nic;
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE *Target;
> > - ISCSI_DRIVER_DATA *DriverData;
> > - ISCSI_SESSION_CONFIG_DATA
> *SessionConfigData;
> > - ISCSI_CHAP_AUTH_CONFIG_NVDATA *AuthConfig;
> > - UINT16 *SectionOffset;
> > - UINTN Index;
> > - UINT16 Length;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - ISCSI_PRIVATE_PROTOCOL
> *IScsiIdentifier;
> > - EFI_STATUS Status;
> > -
> > - //
> > - // Get the offset of the first Nic and Target section.
> > - //
> > - Control =
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_CONTROL_STRUCTURE *) (Table
> > + 1);
> > - Nic = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *)
> > ((UINTN) Table +
> > - Control->InitiatorOffset + IBFT_ROUNDUP (sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_INITIATOR_STRUCTURE)));
> > - Target = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE
> > *) ((UINTN) Nic +
> > - IBFT_ROUNDUP (sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE)));
> > -
> > - SectionOffset = &Control->NIC0Offset;
> > -
> > - for (Index = 0; Index < HandleCount; Index++) {
> > - Status = gBS->HandleProtocol (Handles[Index], &gEfiCallerIdGuid,
> (VOID
> > **)&IScsiIdentifier);
> > - if (EFI_ERROR (Status)) {
> > - ASSERT (FALSE);
> > - return ;
> > - }
> > -
> > - DriverData = ISCSI_DRIVER_DATA_FROM_IDENTIFIER
> (IScsiIdentifier);
> > - SessionConfigData = &DriverData->Session.ConfigData;
> > - AuthConfig = &DriverData->Session.AuthData.AuthConfig;
> > -
> > - //
> > - // Fill the Nic section.
> > - //
> > - ZeroMem (Nic, sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE));
> > -
> > - Nic->Header.StructureId =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_ID;
> > - Nic->Header.Version =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_VERSION;
> > - Nic->Header.Length = (UINT16) sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE);
> > - Nic->Header.Index = (UINT8) Index;
> > - Nic->Header.Flags =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_BLOCK_
> > VALID |
> > -
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_BOOT_S
> > ELECTED |
> > -
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE_FLAG_GLOBAL;
> > -
> > - //
> > - // Get the subnet mask prefix length.
> > - //
> > - Nic->SubnetMaskPrefixLength = IScsiGetSubnetMaskPrefixLength
> > (&SessionConfigData->NvData.SubnetMask);
> > -
> > - if (SessionConfigData->NvData.InitiatorInfoFromDhcp) {
> > - Nic->Origin = IpPrefixOriginDhcp;
> > - } else {
> > - Nic->Origin = IpPrefixOriginManual;
> > - }
> > - //
> > - // Map the various v4 addresses into v6 addresses.
> > - //
> > - IScsiMapV4ToV6Addr (&SessionConfigData->NvData.LocalIp, &Nic->Ip);
> > - IScsiMapV4ToV6Addr (&SessionConfigData->NvData.Gateway, &Nic-
> > >Gateway);
> > - IScsiMapV4ToV6Addr (&SessionConfigData->PrimaryDns, &Nic-
> > >PrimaryDns);
> > - IScsiMapV4ToV6Addr (&SessionConfigData->SecondaryDns, &Nic-
> > >SecondaryDns);
> > - IScsiMapV4ToV6Addr (&SessionConfigData->DhcpServer, &Nic-
> > >DhcpServer);
> > -
> > - Nic->VLanTag = NetLibGetVlanId (DriverData->Controller);
> > -
> > - Status = NetLibGetMacAddress (DriverData->Controller, &MacAddress,
> > &HwAddressSize);
> > - ASSERT (Status == EFI_SUCCESS);
> > - CopyMem (Nic->Mac, MacAddress.Addr, sizeof (Nic->Mac));
> > -
> > - //
> > - // Get the PCI location of the Nic.
> > - //
> > - Nic->PciLocation = IScsiGetNICPciLocation (DriverData->Controller);
> > -
> > - *SectionOffset = (UINT16) ((UINTN) Nic - (UINTN) Table);
> > - SectionOffset++;
> > -
> > - //
> > - // Fill the Target section.
> > - //
> > - ZeroMem (Target, sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE));
> > -
> > - Target->Header.StructureId =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_ID;
> > - Target->Header.Version =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_VERSION;
> > - Target->Header.Length = (UINT16) sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE);
> > - Target->Header.Index = (UINT8) Index;
> > - Target->Header.Flags =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_FLAG_BLO
> > CK_VALID |
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_FLAG_BOO
> > T_SELECTED;
> > - Target->Port = SessionConfigData->NvData.TargetPort;
> > - Target->NicIndex = (UINT8) Index;
> > -
> > - if (AuthConfig->CHAPType == ISCSI_CHAP_NONE) {
> > - Target->CHAPType =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYP
> > E_NO_CHAP;
> > - } if (AuthConfig->CHAPType == ISCSI_CHAP_UNI) {
> > - Target->CHAPType =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYP
> > E_CHAP;
> > - } else if (AuthConfig->CHAPType == ISCSI_CHAP_MUTUAL) {
> > - Target->CHAPType =
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYP
> > E_MUTUAL_CHAP;
> > - }
> > -
> > - IScsiMapV4ToV6Addr (&SessionConfigData->NvData.TargetIp, &Target-
> > >Ip);
> > - CopyMem (Target->BootLun, SessionConfigData->NvData.BootLun, sizeof
> > (Target->BootLun));
> > -
> > - //
> > - // Target iSCSI Name, CHAP name/secret, reverse CHAP name/secret.
> > - //
> > - Length = (UINT16) AsciiStrLen (SessionConfigData-
> >NvData.TargetName);
> > - IScsiAddHeapItem (Heap, SessionConfigData->NvData.TargetName,
> > Length);
> > -
> > - Target->IScsiNameLength = Length;
> > - Target->IScsiNameOffset = (UINT16) ((UINTN) *Heap - (UINTN) Table);
> > -
> > - if (Target->CHAPType !=
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYP
> > E_NO_CHAP) {
> > - //
> > - // CHAP Name
> > - //
> > - Length = (UINT16) AsciiStrLen (AuthConfig->CHAPName);
> > - IScsiAddHeapItem (Heap, AuthConfig->CHAPName, Length);
> > - Target->CHAPNameLength = Length;
> > - Target->CHAPNameOffset = (UINT16) ((UINTN) *Heap - (UINTN)
> Table);
> > -
> > - //
> > - // CHAP Secret
> > - //
> > - Length = (UINT16) AsciiStrLen (AuthConfig->CHAPSecret);
> > - IScsiAddHeapItem (Heap, AuthConfig->CHAPSecret, Length);
> > - Target->CHAPSecretLength = Length;
> > - Target->CHAPSecretOffset = (UINT16) ((UINTN) *Heap - (UINTN)
> Table);
> > -
> > - if (Target->CHAPType ==
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE_CHAP_TYP
> > E_MUTUAL_CHAP) {
> > - //
> > - // Reverse CHAP Name
> > - //
> > - Length = (UINT16) AsciiStrLen (AuthConfig->ReverseCHAPName);
> > - IScsiAddHeapItem (Heap, AuthConfig->ReverseCHAPName, Length);
> > - Target->ReverseCHAPNameLength = Length;
> > - Target->ReverseCHAPNameOffset = (UINT16) ((UINTN) *Heap -
> (UINTN)
> > Table);
> > -
> > - //
> > - // Reverse CHAP Secret
> > - //
> > - Length = (UINT16) AsciiStrLen (AuthConfig->ReverseCHAPSecret);
> > - IScsiAddHeapItem (Heap, AuthConfig->ReverseCHAPSecret, Length);
> > - Target->ReverseCHAPSecretLength = Length;
> > - Target->ReverseCHAPSecretOffset = (UINT16) ((UINTN) *Heap -
> > (UINTN) Table);
> > - }
> > - }
> > -
> > - *SectionOffset = (UINT16) ((UINTN) Target - (UINTN) Table);
> > - SectionOffset++;
> > -
> > - //
> > - // Advance to the next NIC/Target pair
> > - //
> > - Nic = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE *)
> > ((UINTN) Target +
> > - IBFT_ROUNDUP (sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE)));
> > - Target = (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_TARGET_STRUCTURE
> > *) ((UINTN) Nic +
> > - IBFT_ROUNDUP (sizeof
> > (EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_NIC_STRUCTURE)));
> > - }
> > -}
> > -
> > -/**
> > - Publish and remove the iSCSI Boot Firmware Table according to the
> iSCSI
> > - session status.
> > -**/
> > -VOID
> > -IScsiPublishIbft (
> > - VOID
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_ACPI_TABLE_PROTOCOL *AcpiTableProtocol;
> > - EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_HEADER *Table;
> > - UINTN HandleCount;
> > - EFI_HANDLE *HandleBuffer;
> > - UINT8 *Heap;
> > - UINT8 Checksum;
> > - EFI_ACPI_3_0_ROOT_SYSTEM_DESCRIPTION_POINTER *Rsdp;
> > - EFI_ACPI_DESCRIPTION_HEADER *Rsdt;
> > - EFI_ACPI_DESCRIPTION_HEADER *Xsdt;
> > -
> > - Rsdt = NULL;
> > - Xsdt = NULL;
> > -
> > - Status = gBS->LocateProtocol (&gEfiAcpiTableProtocolGuid, NULL, (VOID
> > **)&AcpiTableProtocol);
> > - if (EFI_ERROR (Status)) {
> > - return ;
> > - }
> > -
> > -
> > - //
> > - // Find ACPI table RSD_PTR from system table
> > - //
> > - Status = EfiGetSystemConfigurationTable (&gEfiAcpiTableGuid, (VOID **)
> > &Rsdp);
> > - if (EFI_ERROR (Status)) {
> > - Status = EfiGetSystemConfigurationTable (&gEfiAcpi10TableGuid,
> (VOID
> > **) &Rsdp);
> > - }
> > -
> > - if (EFI_ERROR (Status) || (Rsdp == NULL)) {
> > - return ;
> > - } else if (Rsdp->Revision >=
> > EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION && Rsdp-
> > >XsdtAddress != 0) {
> > - Xsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->XsdtAddress;
> > - } else if (Rsdp->RsdtAddress != 0) {
> > - Rsdt = (EFI_ACPI_DESCRIPTION_HEADER *) (UINTN) Rsdp->RsdtAddress;
> > - }
> > -
> > - if ((Xsdt == NULL) && (Rsdt == NULL)) {
> > - return ;
> > - }
> > -
> > - if (mIbftInstalled) {
> > - Status = AcpiTableProtocol->UninstallAcpiTable (
> > - AcpiTableProtocol,
> > - mTableKey
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return ;
> > - }
> > - mIbftInstalled = FALSE;
> > - }
> > -
> > - //
> > - // Get all iSCSI private protocols.
> > - //
> > - Status = gBS->LocateHandleBuffer (
> > - ByProtocol,
> > - &gEfiCallerIdGuid,
> > - NULL,
> > - &HandleCount,
> > - &HandleBuffer
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return ;
> > - }
> > - //
> > - // Allocate 4k bytes to hold the ACPI table.
> > - //
> > - Table = AllocateZeroPool (IBFT_MAX_SIZE);
> > - if (Table == NULL) {
> > - return ;
> > - }
> > -
> > - Heap = (UINT8 *) Table + IBFT_HEAP_OFFSET;
> > -
> > - //
> > - // Fill in the various section of the iSCSI Boot Firmware Table.
> > - //
> > - if (Rsdp->Revision >=
> > EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER_REVISION) {
> > - IScsiInitIbfTableHeader (Table, Xsdt->OemId, &Xsdt->OemTableId);
> > - } else {
> > - IScsiInitIbfTableHeader (Table, Rsdt->OemId, &Rsdt->OemTableId);
> > - }
> > -
> > - IScsiInitControlSection (Table, HandleCount);
> > - IScsiFillInitiatorSection (Table, &Heap, HandleBuffer[0]);
> > - IScsiFillNICAndTargetSections (Table, &Heap, HandleCount,
> HandleBuffer);
> > -
> > - Checksum = CalculateCheckSum8((UINT8 *)Table, Table->Length);
> > - Table->Checksum = Checksum;
> > -
> > - FreePool (HandleBuffer);
> > -
> > - //
> > - // Install or update the iBFT table.
> > - //
> > - Status = AcpiTableProtocol->InstallAcpiTable (
> > - AcpiTableProtocol,
> > - Table,
> > - Table->Length,
> > - &mTableKey
> > - );
> > - if (EFI_ERROR(Status)) {
> > - return;
> > - }
> > -
> > - mIbftInstalled = TRUE;
> > - FreePool (Table);
> > -}
> > diff --git
> a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.c
> > deleted file mode 100644
> > index e753d9eebdbe..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.c
> > +++ /dev/null
> > @@ -1,116 +0,0 @@
> > -/** @file
> > - Implementation for EFI iSCSI Initiator Name Protocol.
> > -
> > -Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -EFI_ISCSI_INITIATOR_NAME_PROTOCOL gIScsiInitiatorName = {
> > - IScsiGetInitiatorName,
> > - IScsiSetInitiatorName
> > -};
> > -
> > -/**
> > - Retrieves the current set value of iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer
> > / Actual size of the
> > - variable data buffer.
> > - @param[out] Buffer Pointer to the buffer for data to be read.
> The data
> > is a null-terminated UTF-8 encoded string.
> > - The maximum length is 223 characters,
> including the null-
> > terminator.
> > -
> > - @retval EFI_SUCCESS Data was successfully retrieved into
> the
> > provided buffer and the
> > - BufferSize was sufficient to handle the
> iSCSI initiator name.
> > - @retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the result.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL.
> > - @retval EFI_DEVICE_ERROR The iSCSI initiator name could not be
> > retrieved due to a hardware error.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiGetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - OUT VOID *Buffer
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - if ((BufferSize == NULL) || (Buffer == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = gRT->GetVariable (
> > - ISCSI_INITIATOR_NAME_VAR_NAME,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - NULL,
> > - BufferSize,
> > - Buffer
> > - );
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Sets the iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer.
> > - @param[in] Buffer Pointer to the buffer for data to be
> written. The
> > data is a null-terminated UTF-8 encoded string.
> > - The maximum length is 223 characters,
> including the null-
> > terminator.
> > -
> > - @retval EFI_SUCCESS Data was successfully stored by the
> protocol.
> > - @retval EFI_UNSUPPORTED Platform policies do not allow for data
> to be
> > written.
> > - Currently not implemented.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL, or
> > BufferSize exceeds the maximum allowed limit.
> > - @retval EFI_DEVICE_ERROR The data could not be stored due to a
> > hardware error.
> > - @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold
> > the data.
> > - @retval EFI_PROTOCOL_ERROR Input iSCSI initiator name does not
> > adhere to RFC 3720
> > - (and other related protocols).
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiSetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *Buffer
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - if ((BufferSize == NULL) || (Buffer == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (*BufferSize > ISCSI_NAME_MAX_SIZE) {
> > - *BufferSize = ISCSI_NAME_MAX_SIZE;
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - //
> > - // only support iqn iSCSI names.
> > - //
> > - Status = IScsiNormalizeName ((CHAR8 *) Buffer, *BufferSize - 1);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Status = gRT->SetVariable (
> > - ISCSI_INITIATOR_NAME_VAR_NAME,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - EFI_VARIABLE_NON_VOLATILE |
> > EFI_VARIABLE_BOOTSERVICE_ACCESS,
> > - *BufferSize,
> > - Buffer
> > - );
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
> > deleted file mode 100644
> > index d924a8b82427..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.c
> > +++ /dev/null
> > @@ -1,948 +0,0 @@
> > -/** @file
> > - Miscellaneous routines for iSCSI driver.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED CONST CHAR8 IScsiHexString[] =
> > "0123456789ABCDEFabcdef";
> > -
> > -/**
> > - Removes (trims) specified leading and trailing characters from a
> string.
> > -
> > - @param[in, out] Str Pointer to the null-terminated string to be
> trimmed.
> > On return,
> > - Str will hold the trimmed string.
> > -
> > - @param[in] CharC Character will be trimmed from str.
> > -**/
> > -VOID
> > -StrTrim (
> > - IN OUT CHAR16 *Str,
> > - IN CHAR16 CharC
> > - )
> > -{
> > - CHAR16 *Pointer1;
> > - CHAR16 *Pointer2;
> > -
> > - if (*Str == 0) {
> > - return;
> > - }
> > -
> > - //
> > - // Trim off the leading and trailing characters c
> > - //
> > - for (Pointer1 = Str; (*Pointer1 != 0) && (*Pointer1 == CharC);
> Pointer1++) {
> > - ;
> > - }
> > -
> > - Pointer2 = Str;
> > - if (Pointer2 == Pointer1) {
> > - while (*Pointer1 != 0) {
> > - Pointer2++;
> > - Pointer1++;
> > - }
> > - } else {
> > - while (*Pointer1 != 0) {
> > - *Pointer2 = *Pointer1;
> > - Pointer1++;
> > - Pointer2++;
> > - }
> > - *Pointer2 = 0;
> > - }
> > -
> > -
> > - for (Pointer1 = Str + StrLen(Str) - 1; Pointer1 >= Str && *Pointer1
> == CharC;
> > Pointer1--) {
> > - ;
> > - }
> > - if (Pointer1 != Str + StrLen(Str) - 1) {
> > - *(Pointer1 + 1) = 0;
> > - }
> > -}
> > -
> > -/**
> > - Calculate the prefix length of the IPv4 subnet mask.
> > -
> > - @param[in] SubnetMask The IPv4 subnet mask.
> > -
> > - @return The prefix length of the subnet mask.
> > - @retval 0 Other errors as indicated.
> > -**/
> > -UINT8
> > -IScsiGetSubnetMaskPrefixLength (
> > - IN EFI_IPv4_ADDRESS *SubnetMask
> > - )
> > -{
> > - UINT8 Len;
> > - UINT32 ReverseMask;
> > -
> > - //
> > - // The SubnetMask is in network byte order.
> > - //
> > - ReverseMask = (SubnetMask->Addr[0] << 24) | (SubnetMask->Addr[1] <<
> > 16) | (SubnetMask->Addr[2] << 8) | (SubnetMask->Addr[3]);
> > -
> > - //
> > - // Reverse it.
> > - //
> > - ReverseMask = ~ReverseMask;
> > -
> > - if ((ReverseMask & (ReverseMask + 1)) != 0) {
> > - return 0;
> > - }
> > -
> > - Len = 0;
> > -
> > - while (ReverseMask != 0) {
> > - ReverseMask = ReverseMask >> 1;
> > - Len++;
> > - }
> > -
> > - return (UINT8) (32 - Len);
> > -}
> > -
> > -/**
> > - Convert the hexadecimal encoded LUN string into the 64-bit LUN.
> > -
> > - @param[in] Str The hexadecimal encoded LUN string.
> > - @param[out] Lun Storage to return the 64-bit LUN.
> > -
> > - @retval EFI_SUCCESS The 64-bit LUN is stored in Lun.
> > - @retval EFI_INVALID_PARAMETER The string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiAsciiStrToLun (
> > - IN CHAR8 *Str,
> > - OUT UINT8 *Lun
> > - )
> > -{
> > - UINTN Index, IndexValue, IndexNum, SizeStr;
> > - CHAR8 TemStr[2];
> > - UINT8 TemValue;
> > - UINT16 Value[4];
> > -
> > - ZeroMem (Lun, 8);
> > - ZeroMem (TemStr, 2);
> > - ZeroMem ((UINT8 *) Value, sizeof (Value));
> > - SizeStr = AsciiStrLen (Str);
> > - IndexValue = 0;
> > - IndexNum = 0;
> > -
> > - for (Index = 0; Index < SizeStr; Index ++) {
> > - TemStr[0] = Str[Index];
> > - TemValue = (UINT8) AsciiStrHexToUint64 (TemStr);
> > - if (TemValue == 0 && TemStr[0] != '0') {
> > - if ((TemStr[0] != '-') || (IndexNum == 0)) {
> > - //
> > - // Invalid Lun Char
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - }
> > -
> > - if ((TemValue == 0) && (TemStr[0] == '-')) {
> > - //
> > - // Next Lun value
> > - //
> > - if (++IndexValue >= 4) {
> > - //
> > - // Max 4 Lun value
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - //
> > - // Restart str index for the next lun value
> > - //
> > - IndexNum = 0;
> > - continue;
> > - }
> > -
> > - if (++IndexNum > 4) {
> > - //
> > - // Each Lun Str can't exceed size 4, because it will be as UINT16
> value
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // Combine UINT16 value
> > - //
> > - Value[IndexValue] = (UINT16) ((Value[IndexValue] << 4) + TemValue);
> > - }
> > -
> > - for (Index = 0; Index <= IndexValue; Index ++) {
> > - *((UINT16 *) &Lun[Index * 2]) = HTONS (Value[Index]);
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Convert the 64-bit LUN into the hexadecimal encoded LUN string.
> > -
> > - @param[in] Lun The 64-bit LUN.
> > - @param[out] Str The storage to return the hexadecimal encoded LUN
> > string.
> > -**/
> > -VOID
> > -IScsiLunToUnicodeStr (
> > - IN UINT8 *Lun,
> > - OUT CHAR16 *Str
> > - )
> > -{
> > - UINTN Index;
> > - CHAR16 *TempStr;
> > -
> > - TempStr = Str;
> > -
> > - for (Index = 0; Index < 4; Index++) {
> > -
> > - if ((Lun[2 * Index] | Lun[2 * Index + 1]) == 0) {
> > - CopyMem(TempStr, L"0-", sizeof (L"0-"));
> > - } else {
> > - TempStr[0] = (CHAR16) IScsiHexString[Lun[2 * Index] >> 4];
> > - TempStr[1] = (CHAR16) IScsiHexString[Lun[2 * Index] & 0x0F];
> > - TempStr[2] = (CHAR16) IScsiHexString[Lun[2 * Index + 1] >> 4];
> > - TempStr[3] = (CHAR16) IScsiHexString[Lun[2 * Index + 1] & 0x0F];
> > - TempStr[4] = L'-';
> > - TempStr[5] = 0;
> > -
> > - StrTrim (TempStr, L'0');
> > - }
> > -
> > - TempStr += StrLen (TempStr);
> > - }
> > -
> > - ASSERT (StrLen(Str) >= 1);
> > - Str[StrLen (Str) - 1] = 0;
> > -
> > - for (Index = StrLen (Str) - 1; Index > 1; Index = Index - 2) {
> > - if ((Str[Index] == L'0') && (Str[Index - 1] == L'-')) {
> > - Str[Index - 1] = 0;
> > - } else {
> > - break;
> > - }
> > - }
> > -}
> > -
> > -/**
> > - Convert the ASCII string into a UNICODE string.
> > -
> > - @param[in] Source The ASCII string.
> > - @param[out] Destination The storage to return the UNICODE string.
> > -
> > - @return CHAR16 * Pointer to the UNICODE string.
> > -**/
> > -CHAR16 *
> > -IScsiAsciiStrToUnicodeStr (
> > - IN CHAR8 *Source,
> > - OUT CHAR16 *Destination
> > - )
> > -{
> > - ASSERT (Destination != NULL);
> > - ASSERT (Source != NULL);
> > -
> > - while (*Source != '\0') {
> > - *(Destination++) = (CHAR16) *(Source++);
> > - }
> > -
> > - *Destination = '\0';
> > -
> > - return Destination;
> > -}
> > -
> > -/**
> > - Convert the UNICODE string into an ASCII string.
> > -
> > - @param[in] Source The UNICODE string.
> > - @param[out] Destination The storage to return the ASCII string.
> > -
> > - @return CHAR8 * Pointer to the ASCII string.
> > -**/
> > -CHAR8 *
> > -IScsiUnicodeStrToAsciiStr (
> > - IN CHAR16 *Source,
> > - OUT CHAR8 *Destination
> > - )
> > -{
> > - ASSERT (Destination != NULL);
> > - ASSERT (Source != NULL);
> > -
> > - while (*Source != '\0') {
> > - //
> > - // If any Unicode characters in Source contain
> > - // non-zero value in the upper 8 bits, then ASSERT().
> > - //
> > - ASSERT (*Source < 0x100);
> > - *(Destination++) = (CHAR8) *(Source++);
> > - }
> > -
> > - *Destination = '\0';
> > -
> > - return Destination;
> > -}
> > -
> > -/**
> > - Convert the decimal dotted IPv4 address into the binary IPv4 address.
> > -
> > - @param[in] Str The UNICODE string.
> > - @param[out] Ip The storage to return the ASCII string.
> > -
> > - @retval EFI_SUCCESS The binary IP address is returned in Ip.
> > - @retval EFI_INVALID_PARAMETER The IP string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiAsciiStrToIp (
> > - IN CHAR8 *Str,
> > - OUT EFI_IPv4_ADDRESS *Ip
> > - )
> > -{
> > - UINTN Index;
> > - UINTN Number;
> > -
> > - Index = 0;
> > -
> > - while (*Str != 0) {
> > -
> > - if (Index > 3) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Number = 0;
> > - while (NET_IS_DIGIT (*Str)) {
> > - Number = Number * 10 + (*Str - '0');
> > - Str++;
> > - }
> > -
> > - if (Number > 0xFF) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Ip->Addr[Index] = (UINT8) Number;
> > -
> > - if ((*Str != '\0') && (*Str != '.')) {
> > - //
> > - // The current character should be either the NULL terminator or
> > - // the dot delimiter.
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (*Str == '.') {
> > - //
> > - // Skip the delimiter.
> > - //
> > - Str++;
> > - }
> > -
> > - Index++;
> > - }
> > -
> > - if (Index != 4) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Convert the mac address into a hexadecimal encoded "-" seperated
> string.
> > -
> > - @param[in] Mac The mac address.
> > - @param[in] Len Length in bytes of the mac address.
> > - @param[in] VlanId VLAN ID of the network device.
> > - @param[out] Str The storage to return the mac string.
> > -**/
> > -VOID
> > -IScsiMacAddrToStr (
> > - IN EFI_MAC_ADDRESS *Mac,
> > - IN UINT32 Len,
> > - IN UINT16 VlanId,
> > - OUT CHAR16 *Str
> > - )
> > -{
> > - UINT32 Index;
> > - CHAR16 *String;
> > -
> > - for (Index = 0; Index < Len; Index++) {
> > - Str[3 * Index] = (CHAR16) IScsiHexString[(Mac->Addr[Index] >>
> 4) &
> > 0x0F];
> > - Str[3 * Index + 1] = (CHAR16) IScsiHexString[Mac->Addr[Index] &
> 0x0F];
> > - Str[3 * Index + 2] = L'-';
> > - }
> > -
> > - String = &Str[3 * Index - 1] ;
> > - if (VlanId != 0) {
> > - String += UnicodeSPrint (String, 6 * sizeof (CHAR16), L"\\%04x",
> (UINTN)
> > VlanId);
> > - }
> > -
> > - *String = L'\0';
> > -}
> > -
> > -/**
> > - Convert the binary encoded buffer into a hexadecimal encoded string.
> > -
> > - @param[in] BinBuffer The buffer containing the binary data.
> > - @param[in] BinLength Length of the binary buffer.
> > - @param[in, out] HexStr Pointer to the string.
> > - @param[in, out] HexLength The length of the string.
> > -
> > - @retval EFI_SUCCESS The binary data is converted to the
> hexadecimal
> > string
> > - and the length of the string is updated.
> > - @retval EFI_BUFFER_TOO_SMALL The string is too small.
> > - @retval EFI_INVALID_PARAMETER The IP string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiBinToHex (
> > - IN UINT8 *BinBuffer,
> > - IN UINT32 BinLength,
> > - IN OUT CHAR8 *HexStr,
> > - IN OUT UINT32 *HexLength
> > - )
> > -{
> > - UINTN Index;
> > -
> > - if ((HexStr == NULL) || (BinBuffer == NULL) || (BinLength == 0)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (((*HexLength) - 3) < BinLength * 2) {
> > - *HexLength = BinLength * 2 + 3;
> > - return EFI_BUFFER_TOO_SMALL;
> > - }
> > -
> > - *HexLength = BinLength * 2 + 3;
> > - //
> > - // Prefix for Hex String
> > - //
> > - HexStr[0] = '0';
> > - HexStr[1] = 'x';
> > -
> > - for (Index = 0; Index < BinLength; Index++) {
> > - HexStr[Index * 2 + 2] = IScsiHexString[BinBuffer[Index] >> 4];
> > - HexStr[Index * 2 + 3] = IScsiHexString[BinBuffer[Index] & 0x0F];
> > - }
> > -
> > - HexStr[Index * 2 + 2] = '\0';
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Convert the hexadecimal string into a binary encoded buffer.
> > -
> > - @param[in, out] BinBuffer The binary buffer.
> > - @param[in, out] BinLength Length of the binary buffer.
> > - @param[in] HexStr The hexadecimal string.
> > -
> > - @retval EFI_SUCCESS The hexadecimal string is converted into
> a binary
> > - encoded buffer.
> > - @retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold
> the
> > converted data.
> > -**/
> > -EFI_STATUS
> > -IScsiHexToBin (
> > - IN OUT UINT8 *BinBuffer,
> > - IN OUT UINT32 *BinLength,
> > - IN CHAR8 *HexStr
> > - )
> > -{
> > - UINTN Index;
> > - UINTN Length;
> > - UINT8 Digit;
> > - CHAR8 TemStr[2];
> > -
> > - ZeroMem (TemStr, sizeof (TemStr));
> > -
> > - //
> > - // Find out how many hex characters the string has.
> > - //
> > - if ((HexStr[0] == '0') && ((HexStr[1] == 'x') || (HexStr[1] == 'X')))
> {
> > - HexStr += 2;
> > - }
> > -
> > - Length = AsciiStrLen (HexStr);
> > -
> > - for (Index = 0; Index < Length; Index ++) {
> > - TemStr[0] = HexStr[Index];
> > - Digit = (UINT8) AsciiStrHexToUint64 (TemStr);
> > - if (Digit == 0 && TemStr[0] != '0') {
> > - //
> > - // Invalid Lun Char
> > - //
> > - break;
> > - }
> > - if ((Index & 1) == 0) {
> > - BinBuffer [Index/2] = Digit;
> > - } else {
> > - BinBuffer [Index/2] = (UINT8) ((BinBuffer [Index/2] << 4) +
> Digit);
> > - }
> > - }
> > -
> > - *BinLength = (UINT32) ((Index + 1)/2);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Generate random numbers.
> > -
> > - @param[in, out] Rand The buffer to contain random numbers.
> > - @param[in] RandLength The length of the Rand buffer.
> > -**/
> > -VOID
> > -IScsiGenRandom (
> > - IN OUT UINT8 *Rand,
> > - IN UINTN RandLength
> > - )
> > -{
> > - UINT32 Random;
> > -
> > - while (RandLength > 0) {
> > - Random = NET_RANDOM (NetRandomInitSeed ());
> > - *Rand++ = (UINT8) (Random);
> > - RandLength--;
> > - }
> > -}
> > -
> > -/**
> > - Create the iSCSI driver data..
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller.
> > -
> > - @return The iSCSI driver data created.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -ISCSI_DRIVER_DATA *
> > -IScsiCreateDriverData (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - EFI_STATUS Status;
> > -
> > - Private = AllocateZeroPool (sizeof (ISCSI_DRIVER_DATA));
> > - if (Private == NULL) {
> > - return NULL;
> > - }
> > -
> > - Private->Signature = ISCSI_DRIVER_DATA_SIGNATURE;
> > - Private->Image = Image;
> > - Private->Controller = Controller;
> > -
> > - //
> > - // Create an event to be signal when the BS to RT transition is
> triggerd so
> > - // as to abort the iSCSI session.
> > - //
> > - Status = gBS->CreateEventEx (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_CALLBACK,
> > - IScsiOnExitBootService,
> > - Private,
> > - &gEfiEventExitBootServicesGuid,
> > - &Private->ExitBootServiceEvent
> > - );
> > - if (EFI_ERROR (Status)) {
> > - FreePool (Private);
> > - return NULL;
> > - }
> > -
> > - CopyMem(&Private->IScsiExtScsiPassThru,
> > &gIScsiExtScsiPassThruProtocolTemplate,
> > sizeof(EFI_EXT_SCSI_PASS_THRU_PROTOCOL));
> > -
> > - //
> > - // 0 is designated to the TargetId, so use another value for the
> AdapterId.
> > - //
> > - Private->ExtScsiPassThruMode.AdapterId = 2;
> > - Private->ExtScsiPassThruMode.Attributes =
> > EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL |
> > EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL;
> > - Private->ExtScsiPassThruMode.IoAlign = 4;
> > - Private->IScsiExtScsiPassThru.Mode = &Private->ExtScsiPassThruMode;
> > -
> > - //
> > - // Install the Ext SCSI PASS THRU protocol.
> > - //
> > - Status = gBS->InstallProtocolInterface (
> > - &Private->ExtScsiPassThruHandle,
> > - &gEfiExtScsiPassThruProtocolGuid,
> > - EFI_NATIVE_INTERFACE,
> > - &Private->IScsiExtScsiPassThru
> > - );
> > - if (EFI_ERROR (Status)) {
> > - gBS->CloseEvent (Private->ExitBootServiceEvent);
> > - FreePool (Private);
> > -
> > - return NULL;
> > - }
> > -
> > - IScsiSessionInit (&Private->Session, FALSE);
> > -
> > - return Private;
> > -}
> > -
> > -/**
> > - Clean the iSCSI driver data.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCESS The clean operation is successful.
> > - @retval Others Other errors as indicated.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiCleanDriverData (
> > - IN ISCSI_DRIVER_DATA *Private
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - if (Private->DevicePath != NULL) {
> > - Status = gBS->UninstallProtocolInterface (
> > - Private->ExtScsiPassThruHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - Private->DevicePath
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto EXIT;
> > - }
> > -
> > - FreePool (Private->DevicePath);
> > - }
> > -
> > - if (Private->ExtScsiPassThruHandle != NULL) {
> > - Status = gBS->UninstallProtocolInterface (
> > - Private->ExtScsiPassThruHandle,
> > - &gEfiExtScsiPassThruProtocolGuid,
> > - &Private->IScsiExtScsiPassThru
> > - );
> > - }
> > -
> > -EXIT:
> > - if (Private->ExitBootServiceEvent != NULL) {
> > - gBS->CloseEvent (Private->ExitBootServiceEvent);
> > - }
> > -
> > - FreePool (Private);
> > - return Status;
> > -}
> > -
> > -/**
> > - Check wheather the Controller is configured to use DHCP protocol.
> > -
> > - @param[in] Controller The handle of the controller.
> > -
> > - @retval TRUE The handle of the controller need
> the Dhcp
> > protocol.
> > - @retval FALSE The handle of the controller does
> not need the
> > Dhcp protocol.
> > -
> > -**/
> > -BOOLEAN
> > -IScsiDhcpIsConfigured (
> > - IN EFI_HANDLE Controller
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - UINT16 VlanId;
> > - CHAR16 MacString[70];
> > - ISCSI_SESSION_CONFIG_NVDATA *ConfigDataTmp;
> > -
> > - //
> > - // Get the mac string, it's the name of various variable
> > - //
> > - Status = NetLibGetMacAddress (Controller, &MacAddress,
> > &HwAddressSize);
> > - if (EFI_ERROR (Status)) {
> > - return FALSE;
> > - }
> > - VlanId = NetLibGetVlanId (Controller);
> > - IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId,
> > MacString);
> > -
> > - //
> > - // Get the normal configuration.
> > - //
> > - Status = GetVariable2 (
> > - MacString,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - (VOID**)&ConfigDataTmp,
> > - NULL
> > - );
> > - if (ConfigDataTmp == NULL || EFI_ERROR (Status)) {
> > - return FALSE;
> > - }
> > -
> > - if (ConfigDataTmp->Enabled && ConfigDataTmp->InitiatorInfoFromDhcp) {
> > - FreePool (ConfigDataTmp);
> > - return TRUE;
> > - }
> > -
> > - FreePool (ConfigDataTmp);
> > - return FALSE;
> > -}
> > -
> > -/**
> > - Get the various configuration data of this iSCSI instance.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCESS The configuration of this instance is got.
> > - @retval EFI_ABORTED The operation was aborted.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiGetConfigData (
> > - IN ISCSI_DRIVER_DATA *Private
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_SESSION *Session;
> > - UINTN BufferSize;
> > - EFI_MAC_ADDRESS MacAddress;
> > - UINTN HwAddressSize;
> > - UINT16 VlanId;
> > - CHAR16 MacString[70];
> > -
> > - //
> > - // get the iSCSI Initiator Name
> > - //
> > - Session = &Private->Session;
> > - Session->InitiatorNameLength = ISCSI_NAME_MAX_SIZE;
> > - Status = gIScsiInitiatorName.Get (
> > - &gIScsiInitiatorName,
> > - &Session->InitiatorNameLength,
> > - Session->InitiatorName
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Get the mac string, it's the name of various variable
> > - //
> > - Status = NetLibGetMacAddress (Private->Controller, &MacAddress,
> > &HwAddressSize);
> > - ASSERT (Status == EFI_SUCCESS);
> > - VlanId = NetLibGetVlanId (Private->Controller);
> > - IScsiMacAddrToStr (&MacAddress, (UINT32) HwAddressSize, VlanId,
> > MacString);
> > -
> > - //
> > - // Get the normal configuration.
> > - //
> > - BufferSize = sizeof (Session->ConfigData.NvData);
> > - Status = gRT->GetVariable (
> > - MacString,
> > - &gEfiIScsiInitiatorNameProtocolGuid,
> > - NULL,
> > - &BufferSize,
> > - &Session->ConfigData.NvData
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - if (!Session->ConfigData.NvData.Enabled) {
> > - return EFI_ABORTED;
> > - }
> > - //
> > - // Get the CHAP Auth information.
> > - //
> > - BufferSize = sizeof (Session->AuthData.AuthConfig);
> > - Status = gRT->GetVariable (
> > - MacString,
> > - &gIScsiCHAPAuthInfoGuid,
> > - NULL,
> > - &BufferSize,
> > - &Session->AuthData.AuthConfig
> > - );
> > -
> > - if (!EFI_ERROR (Status) && Session-
> > >ConfigData.NvData.InitiatorInfoFromDhcp) {
> > - //
> > - // Start dhcp.
> > - //
> > - Status = IScsiDoDhcp (Private->Image, Private->Controller,
> &Session-
> > >ConfigData);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Get the device path of the iSCSI tcp connection and update it.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @return The updated device path.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -EFI_DEVICE_PATH_PROTOCOL *
> > -IScsiGetTcpConnDevicePath (
> > - IN ISCSI_DRIVER_DATA *Private
> > - )
> > -{
> > - ISCSI_SESSION *Session;
> > - ISCSI_CONNECTION *Conn;
> > - TCP4_IO *Tcp4Io;
> > - EFI_DEVICE_PATH_PROTOCOL *DevicePath;
> > - EFI_STATUS Status;
> > - EFI_DEV_PATH *DPathNode;
> > -
> > - Session = &Private->Session;
> > - if (Session->State != SESSION_STATE_LOGGED_IN) {
> > - return NULL;
> > - }
> > -
> > - Conn = NET_LIST_USER_STRUCT_S (
> > - Session->Conns.ForwardLink,
> > - ISCSI_CONNECTION,
> > - Link,
> > - ISCSI_CONNECTION_SIGNATURE
> > - );
> > - Tcp4Io = &Conn->Tcp4Io;
> > -
> > - Status = gBS->HandleProtocol (
> > - Tcp4Io->Handle,
> > - &gEfiDevicePathProtocolGuid,
> > - (VOID **)&DevicePath
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return NULL;
> > - }
> > - //
> > - // Duplicate it.
> > - //
> > - DevicePath = DuplicateDevicePath (DevicePath);
> > - if (DevicePath == NULL) {
> > - return NULL;
> > - }
> > -
> > - DPathNode = (EFI_DEV_PATH *) DevicePath;
> > -
> > - while (!IsDevicePathEnd (&DPathNode->DevPath)) {
> > - if ((DevicePathType (&DPathNode->DevPath) ==
> > MESSAGING_DEVICE_PATH) &&
> > - (DevicePathSubType (&DPathNode->DevPath) == MSG_IPv4_DP)
> > - ) {
> > -
> > - DPathNode->Ipv4.LocalPort = 0;
> > - DPathNode->Ipv4.StaticIpAddress =
> > - (BOOLEAN) (!Session->ConfigData.NvData.InitiatorInfoFromDhcp);
> > -
> > - //
> > - // Add a judgement here to support previous versions of
> > IPv4_DEVICE_PATH.
> > - // In previous versions of IPv4_DEVICE_PATH, GatewayIpAddress
> and
> > SubnetMask
> > - // do not exist.
> > - // In new version of IPv4_DEVICE_PATH, structcure length is 27.
> > - //
> > - if (DevicePathNodeLength (&DPathNode->Ipv4) ==
> > IP4_NODE_LEN_NEW_VERSIONS) {
> > -
> > - IP4_COPY_ADDRESS (
> > - &DPathNode->Ipv4.GatewayIpAddress,
> > - &Session->ConfigData.NvData.Gateway
> > - );
> > -
> > - IP4_COPY_ADDRESS (
> > - &DPathNode->Ipv4.SubnetMask,
> > - &Session->ConfigData.NvData.SubnetMask
> > - );
> > - }
> > -
> > - break;
> > - }
> > -
> > - DPathNode = (EFI_DEV_PATH *) NextDevicePathNode (&DPathNode-
> > >DevPath);
> > - }
> > -
> > - return DevicePath;
> > -}
> > -
> > -/**
> > - Abort the session when the transition from BS to RT is initiated.
> > -
> > - @param[in] Event The event signaled.
> > - @param[in] Context The iSCSI driver data.
> > -**/
> > -VOID
> > -EFIAPI
> > -IScsiOnExitBootService (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > -
> > - Private = (ISCSI_DRIVER_DATA *) Context;
> > -
> > - gBS->CloseEvent (Private->ExitBootServiceEvent);
> > - Private->ExitBootServiceEvent = NULL;
> > -
> > - IScsiSessionAbort (&Private->Session);
> > -}
> > -
> > -/**
> > - Tests whether a controller handle is being managed by IScsi driver.
> > -
> > - This function tests whether the driver specified by
> DriverBindingHandle is
> > - currently managing the controller specified by ControllerHandle.
> This test
> > - is performed by evaluating if the the protocol specified by
> ProtocolGuid is
> > - present on ControllerHandle and is was opened by DriverBindingHandle
> > and Nic
> > - Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
> > - If ProtocolGuid is NULL, then ASSERT().
> > -
> > - @param ControllerHandle A handle for a controller to test.
> > - @param DriverBindingHandle Specifies the driver binding handle for
> the
> > - driver.
> > - @param ProtocolGuid Specifies the protocol that the driver
> specified
> > - by DriverBindingHandle opens in its
> Start()
> > - function.
> > -
> > - @retval EFI_SUCCESS ControllerHandle is managed by the
> driver
> > - specified by DriverBindingHandle.
> > - @retval EFI_UNSUPPORTED ControllerHandle is not managed by the
> > driver
> > - specified by DriverBindingHandle.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiTestManagedDevice (
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE DriverBindingHandle,
> > - IN EFI_GUID *ProtocolGuid
> > - )
> > -{
> > - EFI_STATUS Status;
> > - VOID *ManagedInterface;
> > - EFI_HANDLE NicControllerHandle;
> > -
> > - ASSERT (ProtocolGuid != NULL);
> > -
> > - NicControllerHandle = NetLibGetNicHandle (ControllerHandle,
> > ProtocolGuid);
> > - if (NicControllerHandle == NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - (EFI_GUID *) ProtocolGuid,
> > - &ManagedInterface,
> > - DriverBindingHandle,
> > - NicControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - gBS->CloseProtocol (
> > - ControllerHandle,
> > - (EFI_GUID *) ProtocolGuid,
> > - DriverBindingHandle,
> > - NicControllerHandle
> > - );
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - if (Status != EFI_ALREADY_STARTED) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.c
> > deleted file mode 100644
> > index b4a5c2d02413..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.c
> > +++ /dev/null
> > @@ -1,2799 +0,0 @@
> > -/** @file
> > - The implementation of iSCSI protocol based on RFC3720.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -UINT32 mDataSegPad = 0;
> > -
> > -/**
> > - Attach the iSCSI connection to the iSCSI session.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in, out] Conn The iSCSI connection.
> > -**/
> > -VOID
> > -IScsiAttatchConnection (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - InsertTailList (&Session->Conns, &Conn->Link);
> > - Conn->Session = Session;
> > - Session->NumConns++;
> > -}
> > -
> > -/**
> > - Detach the iSCSI connection from the session it belongs to.
> > -
> > - @param[in, out] Conn The iSCSI connection.
> > -**/
> > -VOID
> > -IScsiDetatchConnection (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - RemoveEntryList (&Conn->Link);
> > - Conn->Session->NumConns--;
> > - Conn->Session = NULL;
> > -}
> > -
> > -/**
> > - Check the sequence number according to RFC3720.
> > -
> > - @param[in, out] ExpSN The currently expected sequence number.
> > - @param[in] NewSN The sequence number to check.
> > -
> > - @retval EFI_SUCCESS The check passed and the ExpSN is
> increased.
> > - @retval EFI_NOT_READY Response was sent due to a retransmission
> > request.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > -**/
> > -EFI_STATUS
> > -IScsiCheckSN (
> > - IN OUT UINT32 *ExpSN,
> > - IN UINT32 NewSN
> > - )
> > -{
> > - if (!ISCSI_SEQ_EQ (NewSN, *ExpSN)) {
> > - if (ISCSI_SEQ_LT (NewSN, *ExpSN)) {
> > - //
> > - // Duplicate
> > - //
> > - return EFI_NOT_READY;
> > - } else {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - } else {
> > - //
> > - // Advance the ExpSN
> > - //
> > - (*ExpSN)++;
> > - return EFI_SUCCESS;
> > - }
> > -}
> > -
> > -/**
> > - Update the sequence numbers for the iSCSI command.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in] MaxCmdSN Maximum CmdSN from the target.
> > - @param[in] ExpCmdSN Next expected CmdSN from the target.
> > -**/
> > -VOID
> > -IScsiUpdateCmdSN (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN UINT32 MaxCmdSN,
> > - IN UINT32 ExpCmdSN
> > - )
> > -{
> > - if (ISCSI_SEQ_LT (MaxCmdSN, ExpCmdSN - 1)) {
> > - return ;
> > - }
> > -
> > - if (ISCSI_SEQ_GT (MaxCmdSN, Session->MaxCmdSN)) {
> > - Session->MaxCmdSN = MaxCmdSN;
> > - }
> > -
> > - if (ISCSI_SEQ_GT (ExpCmdSN, Session->ExpCmdSN)) {
> > - Session->ExpCmdSN = ExpCmdSN;
> > - }
> > -}
> > -
> > -/**
> > - This function does the iSCSI connection login.
> > -
> > - @param[in, out] Conn The iSCSI connection to login.
> > -
> > - @retval EFI_SUCCESS The iSCSI connection is logged into the
> iSCSI
> > target.
> > - @retval EFI_TIMEOUT Timeout happened during the login
> procedure.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConnLogin (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - //
> > - // Start the timer, wait 16 seconds to establish the TCP connection.
> > - //
> > - Status = gBS->SetTimer (Conn->TimeoutEvent, TimerRelative, 16 *
> > TICKS_PER_SECOND);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - //
> > - // try to establish the tcp connection
> > - //
> > - Status = Tcp4IoConnect (&Conn->Tcp4Io, Conn->TimeoutEvent);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - gBS->SetTimer (Conn->TimeoutEvent, TimerCancel, 0);
> > - Conn->State = CONN_STATE_IN_LOGIN;
> > -
> > - //
> > - // connection is established, start the iSCSI Login
> > - //
> > - do {
> > - Status = IScsiSendLoginReq (Conn);
> > - if (EFI_ERROR (Status)) {
> > - break;
> > - }
> > -
> > - Status = IScsiReceiveLoginRsp (Conn);
> > - if (EFI_ERROR (Status)) {
> > - break;
> > - }
> > - } while (Conn->CurrentStage != ISCSI_FULL_FEATURE_PHASE);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Reset the iSCSI connection.
> > -
> > - @param[in, out] Conn The iSCSI connection to reset.
> > -**/
> > -VOID
> > -IScsiConnReset (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - Tcp4IoReset (&Conn->Tcp4Io);
> > -}
> > -
> > -/**
> > - Create a TCP connection for the iSCSI session.
> > -
> > - @param[in] Private The iSCSI driver data.
> > - @param[in] Session Maximum CmdSN from the target.
> > -
> > - @return The newly created iSCSI connection.
> > -**/
> > -ISCSI_CONNECTION *
> > -IScsiCreateConnection (
> > - IN ISCSI_DRIVER_DATA *Private,
> > - IN ISCSI_SESSION *Session
> > - )
> > -{
> > - ISCSI_CONNECTION *Conn;
> > - TCP4_IO_CONFIG_DATA Tcp4IoConfig;
> > - EFI_STATUS Status;
> > -
> > - Conn = AllocatePool (sizeof (ISCSI_CONNECTION));
> > - if (Conn == NULL) {
> > - return NULL;
> > - }
> > -
> > - Conn->Signature = ISCSI_CONNECTION_SIGNATURE;
> > - Conn->State = CONN_STATE_FREE;
> > - Conn->CurrentStage = ISCSI_SECURITY_NEGOTIATION;
> > - Conn->NextStage = ISCSI_LOGIN_OPERATIONAL_NEGOTIATION;
> > - Conn->CHAPStep = ISCSI_CHAP_INITIAL;
> > - Conn->ExpStatSN = 0;
> > - Conn->PartialReqSent = FALSE;
> > - Conn->PartialRspRcvd = FALSE;
> > - Conn->Cid = Session->NextCid++;
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_TIMER,
> > - TPL_CALLBACK,
> > - NULL,
> > - NULL,
> > - &Conn->TimeoutEvent
> > - );
> > - if (EFI_ERROR (Status)) {
> > - FreePool (Conn);
> > - return NULL;
> > - }
> > -
> > - NetbufQueInit (&Conn->RspQue);
> > -
> > - //
> > - // set the default connection-only parameters
> > - //
> > - Conn->MaxRecvDataSegmentLength =
> > DEFAULT_MAX_RECV_DATA_SEG_LEN;
> > - Conn->HeaderDigest = IScsiDigestNone;
> > - Conn->DataDigest = IScsiDigestNone;
> > -
> > - CopyMem (&Tcp4IoConfig.LocalIp, &Session->ConfigData.NvData.LocalIp,
> > sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Tcp4IoConfig.SubnetMask, &Session-
> > >ConfigData.NvData.SubnetMask, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Tcp4IoConfig.Gateway, &Session-
> > >ConfigData.NvData.Gateway, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Tcp4IoConfig.RemoteIp, &Session-
> > >ConfigData.NvData.TargetIp, sizeof (EFI_IPv4_ADDRESS));
> > -
> > - Tcp4IoConfig.RemotePort = Session->ConfigData.NvData.TargetPort;
> > -
> > - //
> > - // Create the tcp4 IO for this connection
> > - //
> > - Status = Tcp4IoCreateSocket (
> > - Private->Image,
> > - Private->Controller,
> > - &Tcp4IoConfig,
> > - &Conn->Tcp4Io
> > - );
> > - if (EFI_ERROR (Status)) {
> > - gBS->CloseEvent (Conn->TimeoutEvent);
> > - FreePool (Conn);
> > - Conn = NULL;
> > - }
> > -
> > - return Conn;
> > -}
> > -
> > -/**
> > - Destroy an iSCSI connection.
> > -
> > - @param[in] Conn The connection to destroy.
> > -**/
> > -VOID
> > -IScsiDestroyConnection (
> > - IN ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - Tcp4IoDestroySocket (&Conn->Tcp4Io);
> > - NetbufQueFlush (&Conn->RspQue);
> > - gBS->CloseEvent (Conn->TimeoutEvent);
> > - FreePool (Conn);
> > -}
> > -
> > -/**
> > - Login the iSCSI session.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCESS The iSCSI session login procedure
> finished.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NO_MEDIA There was a media error.
> > - @retval Others Other errors as indicated.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiSessionLogin (
> > - IN ISCSI_DRIVER_DATA *Private
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_SESSION *Session;
> > - ISCSI_CONNECTION *Conn;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - EFI_STATUS MediaStatus;
> > -
> > - Session = &Private->Session;
> > -
> > - //
> > - // Check media status before session login
> > - //
> > - MediaStatus = EFI_SUCCESS;
> > - NetLibDetectMediaWaitTimeout (Private->Controller,
> > ISCSI_CHECK_MEDIA_LOGIN_WAITING_TIME, &MediaStatus);
> > - if (MediaStatus != EFI_SUCCESS) {
> > - return EFI_NO_MEDIA;
> > - }
> > -
> > - //
> > - // Set session identifier
> > - //
> > - CopyMem (Session->Isid, Session->ConfigData.NvData.IsId, 6);
> > -
> > - //
> > - // Create a connection for the session.
> > - //
> > - Conn = IScsiCreateConnection (Private, Session);
> > - if (Conn == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - IScsiAttatchConnection (Session, Conn);
> > -
> > - //
> > - // Login througth the newly created connection.
> > - //
> > - Status = IScsiConnLogin (Conn);
> > - if (EFI_ERROR (Status)) {
> > - IScsiConnReset (Conn);
> > - IScsiDetatchConnection (Conn);
> > - IScsiDestroyConnection (Conn);
> > - } else {
> > - Session->State = SESSION_STATE_LOGGED_IN;
> > -
> > - gBS->OpenProtocol (
> > - Conn->Tcp4Io.Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - (VOID **)&Tcp4,
> > - Private->Image,
> > - Private->ExtScsiPassThruHandle,
> > - EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> > - );
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Build and send the iSCSI login request to the iSCSI target according
> to
> > - the current login stage.
> > -
> > - @param[in] Conn The connection in the iSCSI login phase.
> > -
> > - @retval EFI_SUCCESS The iSCSI login request PDU is built and
> sent on
> > this
> > - connection.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_DEVICE_ERROR Some kind of device error happened.
> > -**/
> > -EFI_STATUS
> > -IScsiSendLoginReq (
> > - IN ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - NET_BUF *Pdu;
> > - EFI_STATUS Status;
> > -
> > - //
> > - // build the Login Request PDU
> > - //
> > - Pdu = IScsiPrepareLoginReq (Conn);
> > - if (Pdu == NULL) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > - //
> > - // Send it to the iSCSI target.
> > - //
> > - Status = Tcp4IoTransmit (&Conn->Tcp4Io, Pdu);
> > -
> > - NetbufFree (Pdu);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Receive and process the iSCSI login response.
> > -
> > - @param[in] Conn The connection in the iSCSI login phase.
> > -
> > - @retval EFI_SUCCESS The iSCSI login response PDU is received
> and
> > processed.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiReceiveLoginRsp (
> > - IN ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - EFI_STATUS Status;
> > - NET_BUF *Pdu;
> > -
> > - Pdu = NULL;
> > -
> > - //
> > - // Receive the iSCSI login response.
> > - //
> > - Status = IScsiReceivePdu (Conn, &Pdu, NULL, FALSE, FALSE, NULL);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - //
> > - // A Login Response is received, process it.
> > - //
> > - ASSERT (Pdu != NULL);
> > - Status = IScsiProcessLoginRsp (Conn, Pdu);
> > -
> > - NetbufFree (Pdu);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Add an iSCSI key-value pair as a string into the data segment of the
> Login
> > Request PDU.
> > - The DataSegmentLength and the actual size of the net buffer
> containing
> > this PDU will be
> > - updated.
> > -
> > - @param[in, out] Pdu The iSCSI PDU whose data segment the
> key-
> > value pair will
> > - be added to.
> > - @param[in] Key The key name string.
> > - @param[in] Value The value string.
> > -
> > - @retval EFI_SUCCESS The key-valu pair is added to the PDU's
> > datasegment and
> > - the correspondence length fields are
> updated.
> > - @retval EFI_OUT_OF_RESOURCES There is not enough space in the PDU to
> > add the key-value
> > - pair.
> > -**/
> > -EFI_STATUS
> > -IScsiAddKeyValuePair (
> > - IN OUT NET_BUF *Pdu,
> > - IN CHAR8 *Key,
> > - IN CHAR8 *Value
> > - )
> > -{
> > - UINT32 DataSegLen;
> > - UINT32 KeyLen;
> > - UINT32 ValueLen;
> > - UINT32 TotalLen;
> > - ISCSI_LOGIN_REQUEST *LoginReq;
> > - CHAR8 *Data;
> > -
> > - LoginReq = (ISCSI_LOGIN_REQUEST *) NetbufGetByte (Pdu, 0, NULL);
> > - if (LoginReq == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - DataSegLen = NTOH24 (LoginReq->DataSegmentLength);
> > -
> > - KeyLen = (UINT32) AsciiStrLen (Key);
> > - ValueLen = (UINT32) AsciiStrLen (Value);
> > -
> > - //
> > - // 1 byte for the key value separator '=' and 1 byte for the null
> > - // delimiter after the value.
> > - //
> > - TotalLen = KeyLen + 1 + ValueLen + 1;
> > -
> > - //
> > - // Allocate the space for the key-value pair.
> > - //
> > - Data = (CHAR8 *)NetbufAllocSpace (Pdu, TotalLen, NET_BUF_TAIL);
> > - if (Data == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > - //
> > - // Add the key.
> > - //
> > - CopyMem (Data, Key, KeyLen);
> > - Data += KeyLen;
> > -
> > - *Data = '=';
> > - Data++;
> > -
> > - //
> > - // Add the value.
> > - //
> > - CopyMem (Data, Value, ValueLen);
> > - Data += ValueLen;
> > -
> > - *Data = '\0';
> > -
> > - //
> > - // update the DataSegmentLength
> > - //
> > - ISCSI_SET_DATASEG_LEN (LoginReq, DataSegLen + TotalLen);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Prepare the iSCSI login request to be sent according to the current
> login
> > status.
> > -
> > - @param[in, out] Conn The connection in the iSCSI login phase.
> > -
> > - @return The pointer to the net buffer containing the iSCSI login
> request
> > built.
> > - @retval Others Other errors as indicated.
> > -**/
> > -NET_BUF *
> > -IScsiPrepareLoginReq (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - ISCSI_SESSION *Session;
> > - NET_BUF *Nbuf;
> > - ISCSI_LOGIN_REQUEST *LoginReq;
> > - EFI_STATUS Status;
> > -
> > - Session = Conn->Session;
> > -
> > - Nbuf = NetbufAlloc (sizeof (ISCSI_LOGIN_REQUEST) +
> > DEFAULT_MAX_RECV_DATA_SEG_LEN);
> > - if (Nbuf == NULL) {
> > - return NULL;
> > - }
> > -
> > - LoginReq = (ISCSI_LOGIN_REQUEST *) NetbufAllocSpace (Nbuf, sizeof
> > (ISCSI_LOGIN_REQUEST), NET_BUF_TAIL);
> > - ASSERT (LoginReq != NULL);
> > - ZeroMem (LoginReq, sizeof (ISCSI_LOGIN_REQUEST));
> > -
> > - //
> > - // Init the login request pdu
> > - //
> > - ISCSI_SET_OPCODE (LoginReq, ISCSI_OPCODE_LOGIN_REQ,
> > ISCSI_REQ_IMMEDIATE);
> > - ISCSI_SET_STAGES (LoginReq, Conn->CurrentStage, Conn->NextStage);
> > - LoginReq->VersionMax = ISCSI_VERSION_MAX;
> > - LoginReq->VersionMin = ISCSI_VERSION_MIN;
> > - LoginReq->Tsih = HTONS (Session->Tsih);
> > - LoginReq->InitiatorTaskTag = HTONL (Session->InitiatorTaskTag);
> > - LoginReq->Cid = HTONS (Conn->Cid);
> > - LoginReq->CmdSN = HTONL (Session->CmdSN);
> > -
> > - //
> > - // For the first Login Request on a coonection this is ExpStatSN for
> the
> > - // old connection and this field is only valid if the Login Request
> restarts
> > - // a connection.
> > - // For subsequent Login Requests it is used to acknowledge the Login
> > Responses
> > - // with their increasing StatSN values.
> > - //
> > - LoginReq->ExpStatSN = HTONL (Conn->ExpStatSN);
> > - CopyMem (LoginReq->Isid, Session->Isid, sizeof (LoginReq->Isid));
> > -
> > - if (Conn->PartialRspRcvd) {
> > - //
> > - // A partial response, initiator must send an empty Login Request.
> > - //
> > - return Nbuf;
> > - }
> > -
> > - switch (Conn->CurrentStage) {
> > - case ISCSI_SECURITY_NEGOTIATION:
> > - Status = IScsiCHAPToSendReq (Conn, Nbuf);
> > - break;
> > -
> > - case ISCSI_LOGIN_OPERATIONAL_NEGOTIATION:
> > - Status = IScsiFillOpParams (Conn, Nbuf);
> > - ISCSI_SET_FLAG (LoginReq, ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT);
> > - break;
> > -
> > - default:
> > - //
> > - // something error happens...
> > - //
> > - Status = EFI_DEVICE_ERROR;
> > - break;
> > - }
> > -
> > - if (EFI_ERROR (Status)) {
> > - NetbufFree (Nbuf);
> > - Nbuf = NULL;
> > - } else {
> > - //
> > - // Pad the data segment if needed.
> > - //
> > - IScsiPadSegment (Nbuf, ISCSI_GET_DATASEG_LEN (LoginReq));
> > - //
> > - // Check whether we will issue the stage transition signal?
> > - //
> > - Conn->TransitInitiated = (BOOLEAN) ISCSI_FLAG_ON (LoginReq,
> > ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT);
> > - }
> > -
> > - return Nbuf;
> > -}
> > -
> > -/**
> > - Process the iSCSI Login Response.
> > -
> > - @param[in, out] Conn The connection on which the iSCSI login
> response is
> > received.
> > - @param[in, out] Pdu The iSCSI login response PDU.
> > -
> > - @retval EFI_SUCCESS The iSCSI login response PDU is processed
> and all
> > check are passed.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval EFI_MEDIA_CHANGED Target is redirected.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiProcessLoginRsp (
> > - IN OUT ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_SESSION *Session;
> > - ISCSI_LOGIN_RESPONSE *LoginRsp;
> > - BOOLEAN Transit;
> > - BOOLEAN Continue;
> > - UINT8 CurrentStage;
> > - UINT8 NextStage;
> > - UINT8 *DataSeg;
> > - UINT32 DataSegLen;
> > -
> > - Session = Conn->Session;
> > -
> > - LoginRsp = (ISCSI_LOGIN_RESPONSE *) NetbufGetByte (Pdu, 0, NULL);
> > - if (LoginRsp == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - if (!ISCSI_CHECK_OPCODE (LoginRsp, ISCSI_OPCODE_LOGIN_RSP)) {
> > - //
> > - // It's not a Login Response
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // Get the data segment if any.
> > - //
> > - DataSegLen = ISCSI_GET_DATASEG_LEN (LoginRsp);
> > - if (DataSegLen != 0) {
> > - DataSeg = NetbufGetByte (Pdu, sizeof (ISCSI_LOGIN_RESPONSE), NULL);
> > - } else {
> > - DataSeg = NULL;
> > - }
> > - //
> > - // Check the status class in the login response PDU.
> > - //
> > - switch (LoginRsp->StatusClass) {
> > - case ISCSI_LOGIN_STATUS_SUCCESS:
> > - //
> > - // Just break here, the response and the data segment will be
> processed
> > later.
> > - //
> > - break;
> > -
> > - case ISCSI_LOGIN_STATUS_REDIRECTION:
> > - //
> > - // The target may be moved to a different address
> > - //
> > - if (DataSeg == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // Process the TargetAddress key-value strings in the data segment
> to
> > update the
> > - // target address info.
> > - //
> > - Status = IScsiUpdateTargetAddress (Session, (CHAR8 *)DataSeg,
> > DataSegLen);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - //
> > - // Session will be restarted on this error status because the
> Target is
> > - // redirected by this Login Response.
> > - //
> > - return EFI_MEDIA_CHANGED;
> > -
> > - default:
> > - //
> > - // Initiator Error, Target Error, or any other undefined error code.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // The status is sucess, extract the wanted fields from the header
> segment.
> > - //
> > - Transit = (BOOLEAN) ISCSI_FLAG_ON (LoginRsp,
> > ISCSI_LOGIN_RSP_PDU_FLAG_TRANSIT);
> > - Continue = (BOOLEAN) ISCSI_FLAG_ON (LoginRsp,
> > ISCSI_LOGIN_RSP_PDU_FLAG_CONTINUE);
> > -
> > - CurrentStage = (UINT8) ISCSI_GET_CURRENT_STAGE
> (LoginRsp);
> > - NextStage = (UINT8) ISCSI_GET_NEXT_STAGE (LoginRsp);
> > -
> > - LoginRsp->InitiatorTaskTag = NTOHL (LoginRsp->InitiatorTaskTag);
> > -
> > - if ((Transit && Continue) ||
> > - (CurrentStage != Conn->CurrentStage) ||
> > - (!Conn->TransitInitiated && Transit) ||
> > - (Transit && (NextStage != Conn->NextStage)) ||
> > - (CompareMem (Session->Isid, LoginRsp->Isid, sizeof (LoginRsp-
> >Isid)) !=
> > 0) ||
> > - (LoginRsp->InitiatorTaskTag != Session->InitiatorTaskTag)
> > - ) {
> > - //
> > - // A Login Response with the C bit set to 1 MUST have the T bit set
> to 0;
> > - // The CSG in the Login Response MUST be the same with the I-end of
> this
> > connection;
> > - // The T bit can't be 1 if the last Login Response sent by the
> initiator
> > doesn't
> > - // initiate the transistion;
> > - // The NSG MUST be the same with the I-end of this connection if
> Transit
> > is required.
> > - // The ISID in the Login Response MUST be the same with this
> session.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - LoginRsp->StatSN = NTOHL (LoginRsp->StatSN);
> > - LoginRsp->ExpCmdSN = NTOHL (LoginRsp->ExpCmdSN);
> > - LoginRsp->MaxCmdSN = NTOHL (LoginRsp->MaxCmdSN);
> > -
> > - if ((Conn->CurrentStage == ISCSI_SECURITY_NEGOTIATION) && (Conn-
> > >CHAPStep == ISCSI_CHAP_INITIAL)) {
> > - //
> > - // If the Login Request is a leading Login Request, the target MUST
> use
> > - // the value presented in CmdSN as the target value for ExpCmdSN.
> > - //
> > - if ((Session->State == SESSION_STATE_FREE) && (Session->CmdSN !=
> > LoginRsp->ExpCmdSN)) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - //
> > - // It's the initial Login Response, initialize the local ExpStatSN,
> MaxCmdSN
> > - // and ExpCmdSN.
> > - //
> > - Conn->ExpStatSN = LoginRsp->StatSN + 1;
> > - Session->MaxCmdSN = LoginRsp->MaxCmdSN;
> > - Session->ExpCmdSN = LoginRsp->ExpCmdSN;
> > - } else {
> > - //
> > - // Check the StatSN of this PDU
> > - //
> > - Status = IScsiCheckSN (&Conn->ExpStatSN, LoginRsp->StatSN);
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Update the MaxCmdSN and ExpCmdSN
> > - //
> > - IScsiUpdateCmdSN (Session, LoginRsp->MaxCmdSN, LoginRsp-
> > >ExpCmdSN);
> > - } else {
> > - return Status;
> > - }
> > - }
> > - //
> > - // Trim off the header segment.
> > - //
> > - NetbufTrim (Pdu, sizeof (ISCSI_LOGIN_RESPONSE), NET_BUF_HEAD);
> > -
> > - //
> > - // Queue this login response first in case it's a partial response so
> that
> > - // later when the full response list is received we can combine these
> > scattered
> > - // responses' data segment and then process it.
> > - //
> > - NET_GET_REF (Pdu);
> > - NetbufQueAppend (&Conn->RspQue, Pdu);
> > -
> > - Conn->PartialRspRcvd = Continue;
> > - if (Continue) {
> > - //
> > - // It's a partial response, have to wait for another or more
> > Request/Response
> > - // conversations to get the full response.
> > - //
> > - return EFI_SUCCESS;
> > - }
> > -
> > - switch (CurrentStage) {
> > - case ISCSI_SECURITY_NEGOTIATION:
> > - //
> > - // In security negotiation stage, let CHAP module handle it.
> > - //
> > - Status = IScsiCHAPOnRspReceived (Conn);
> > - break;
> > -
> > - case ISCSI_LOGIN_OPERATIONAL_NEGOTIATION:
> > - //
> > - // Response received with negotiation resonse on iSCSI parameters,
> check
> > them.
> > - //
> > - Status = IScsiCheckOpParams (Conn);
> > - break;
> > -
> > - default:
> > - //
> > - // Should never get here.
> > - //
> > - Status = EFI_PROTOCOL_ERROR;
> > - break;
> > - }
> > -
> > - if (Transit && (Status == EFI_SUCCESS)) {
> > - //
> > - // Do the state transition.
> > - //
> > - Conn->CurrentStage = Conn->NextStage;
> > -
> > - if (Conn->CurrentStage == ISCSI_LOGIN_OPERATIONAL_NEGOTIATION) {
> > - Conn->NextStage = ISCSI_FULL_FEATURE_PHASE;
> > - } else {
> > - //
> > - // CurrentStage is iSCSI Full Feature, it's the Login-Final
> Response,
> > - // get the TSIH from the Login Response.
> > - //
> > - Session->Tsih = NTOHS (LoginRsp->Tsih);
> > - }
> > - }
> > - //
> > - // Flush the response(s) received.
> > - //
> > - NetbufQueFlush (&Conn->RspQue);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Updated the target information according the data received in the
> iSCSI
> > - login response with an target redirection status.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in] Data The data segment which should contain
> the
> > - TargetAddress key-value list.
> > - @param[in] Len Length of the data.
> > -
> > - @retval EFI_SUCCESS The target address is updated.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NOT_FOUND The TargetAddress key is not found.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiUpdateTargetAddress (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN CHAR8 *Data,
> > - IN UINT32 Len
> > - )
> > -{
> > - LIST_ENTRY *KeyValueList;
> > - CHAR8 *TargetAddress;
> > - CHAR8 *IpStr;
> > - EFI_STATUS Status;
> > - UINTN Number;
> > -
> > - KeyValueList = IScsiBuildKeyValueList (Data, Len);
> > - if (KeyValueList == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Status = EFI_NOT_FOUND;
> > -
> > - while (TRUE) {
> > - TargetAddress = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_TARGET_ADDRESS);
> > - if (TargetAddress == NULL) {
> > - break;
> > - }
> > -
> > - if (!NET_IS_DIGIT (TargetAddress[0])) {
> > - //
> > - // The domainname of the target may be presented in three formats:
> a
> > DNS host name,
> > - // a dotted-decimal IPv4 address, or a bracketed IPv6 address.
> Only
> > accept dotted
> > - // IPv4 address.
> > - //
> > - continue;
> > - }
> > -
> > - IpStr = TargetAddress;
> > -
> > - while ((*TargetAddress != 0) && (*TargetAddress != ':') &&
> > (*TargetAddress != ',')) {
> > - //
> > - // NULL, ':' or ',' ends the IPv4 string.
> > - //
> > - TargetAddress++;
> > - }
> > -
> > - if (*TargetAddress == ',') {
> > - //
> > - // Comma and the portal group tag MUST be ommitted if the
> > TargetAddress is sent
> > - // as the result of a redirection.
> > - //
> > - continue;
> > - } else if (*TargetAddress == ':') {
> > - *TargetAddress = '\0';
> > -
> > - TargetAddress++;
> > -
> > - Number = AsciiStrDecimalToUintn (TargetAddress);
> > - if (Number > 0xFFFF) {
> > - continue;
> > - } else {
> > - Session->ConfigData.NvData.TargetPort = (UINT16) Number;
> > - }
> > - } else {
> > - //
> > - // The string only contains the IPv4 address. Use the well known
> port.
> > - //
> > - Session->ConfigData.NvData.TargetPort = ISCSI_WELL_KNOWN_PORT;
> > - }
> > - //
> > - // Update the target IP address.
> > - //
> > - Status = IScsiAsciiStrToIp (IpStr, &Session-
> >ConfigData.NvData.TargetIp);
> > - if (EFI_ERROR (Status)) {
> > - continue;
> > - } else {
> > - break;
> > - }
> > - }
> > -
> > - IScsiFreeKeyValueList (KeyValueList);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - The callback function to free the net buffer list.
> > -
> > - @param[in] Arg The opaque parameter.
> > -**/
> > -VOID
> > -EFIAPI
> > -IScsiFreeNbufList (
> > - VOID *Arg
> > - )
> > -{
> > - ASSERT (Arg != NULL);
> > -
> > - NetbufFreeList ((LIST_ENTRY *) Arg);
> > - FreePool (Arg);
> > -}
> > -
> > -/**
> > - The callback function called in NetBufFree, it does nothing.
> > -
> > - @param[in] Arg The opaque parameter.
> > -**/
> > -VOID
> > -EFIAPI
> > -IScsiNbufExtFree (
> > - VOID *Arg
> > - )
> > -{
> > -}
> > -
> > -/**
> > - Receive an iSCSI response PDU. An iSCSI response PDU contains an
> iSCSI
> > PDU header and
> > - an optional data segment. The two parts will be put into two blocks
> of
> > buffers in the
> > - net buffer. The digest check will be conducted in this function if
> needed
> > and the digests
> > - will be trimmed from the PDU buffer.
> > -
> > - @param[in] Conn The iSCSI connection to receive data from.
> > - @param[out] Pdu The received iSCSI pdu.
> > - @param[in] Context The context used to describe information on
> the
> > caller provided
> > - buffer to receive data segment of the iSCSI
> pdu, it's optional.
> > - @param[in] HeaderDigest Whether there will be header digest received.
> > - @param[in] DataDigest Whether there will be data digest.
> > - @param[in] TimeoutEvent The timeout event, it's optional.
> > -
> > - @retval EFI_SUCCESS An iSCSI pdu is received.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiReceivePdu (
> > - IN ISCSI_CONNECTION *Conn,
> > - OUT NET_BUF **Pdu,
> > - IN ISCSI_IN_BUFFER_CONTEXT *Context, OPTIONAL
> > - IN BOOLEAN HeaderDigest,
> > - IN BOOLEAN DataDigest,
> > - IN EFI_EVENT TimeoutEvent OPTIONAL
> > - )
> > -{
> > - LIST_ENTRY *NbufList;
> > - UINT32 Len;
> > - NET_BUF *PduHdr;
> > - UINT8 *Header;
> > - EFI_STATUS Status;
> > - UINT32 PadLen;
> > - UINT32 InDataOffset;
> > - NET_FRAGMENT Fragment[2];
> > - UINT32 FragmentCount;
> > - NET_BUF *DataSeg;
> > - UINT32 PadAndCRC32[2];
> > -
> > - NbufList = AllocatePool (sizeof (LIST_ENTRY));
> > - if (NbufList == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - InitializeListHead (NbufList);
> > -
> > - //
> > - // The header digest will be received together with the PDU header if
> > exists.
> > - //
> > - Len = sizeof (ISCSI_BASIC_HEADER) + (HeaderDigest ? sizeof
> (UINT32) : 0);
> > - PduHdr = NetbufAlloc (Len);
> > - if (PduHdr == NULL) {
> > - FreePool (NbufList);
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Header = NetbufAllocSpace (PduHdr, Len, NET_BUF_TAIL);
> > - ASSERT (Header != NULL);
> > - InsertTailList (NbufList, &PduHdr->List);
> > -
> > - //
> > - // First step, receive the BHS of the PDU.
> > - //
> > - Status = Tcp4IoReceive (&Conn->Tcp4Io, PduHdr, FALSE, TimeoutEvent);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - if (HeaderDigest) {
> > - //
> > - // TODO: check the header-digest.
> > - //
> > - //
> > - // Trim off the digest.
> > - //
> > - NetbufTrim (PduHdr, sizeof (UINT32), NET_BUF_TAIL);
> > - }
> > -
> > - Len = ISCSI_GET_DATASEG_LEN (Header);
> > - if (Len == 0) {
> > - //
> > - // No data segment.Form the pdu from a list of pdu segments.
> > - //
> > - *Pdu = NetbufFromBufList (NbufList, 0, 0, IScsiFreeNbufList,
> NbufList);
> > - if (*Pdu == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > - }
> > - return Status;
> > - }
> > - //
> > - // Get the length of the padding bytes of the data segment.
> > - //
> > - PadLen = ISCSI_GET_PAD_LEN (Len);
> > -
> > - switch (ISCSI_GET_OPCODE (Header)) {
> > - case ISCSI_OPCODE_SCSI_DATA_IN:
> > - //
> > - // Try to use the buffer described by Context if the PDU is an
> > - // iSCSI SCSI data in pdu so as to reduce memory copy overhead.
> > - //
> > - InDataOffset = ISCSI_GET_BUFFER_OFFSET (Header);
> > - if ((Context == NULL) || ((InDataOffset + Len) > Context-
> >InDataLen)) {
> > - Status = EFI_PROTOCOL_ERROR;
> > - goto ON_EXIT;
> > - }
> > -
> > - Fragment[0].Len = Len;
> > - Fragment[0].Bulk = Context->InData + InDataOffset;
> > -
> > - if (DataDigest || (PadLen != 0)) {
> > - //
> > - // The data segment is padded, use two fragments to receive it.
> > - // The first to receive the useful data. The second to receive
> the padding.
> > - //
> > - Fragment[1].Len = PadLen + (DataDigest ? sizeof (UINT32) : 0);
> > - Fragment[1].Bulk = (UINT8 *)PadAndCRC32 + (4 - PadLen);
> > - FragmentCount = 2;
> > - } else {
> > - FragmentCount = 1;
> > - }
> > -
> > - DataSeg = NetbufFromExt (&Fragment[0], FragmentCount, 0, 0,
> > IScsiNbufExtFree, NULL);
> > - if (DataSeg == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > - }
> > -
> > - break;
> > -
> > - case ISCSI_OPCODE_SCSI_RSP:
> > - case ISCSI_OPCODE_NOP_IN:
> > - case ISCSI_OPCODE_LOGIN_RSP:
> > - case ISCSI_OPCODE_TEXT_RSP:
> > - case ISCSI_OPCODE_ASYNC_MSG:
> > - case ISCSI_OPCODE_REJECT:
> > - case ISCSI_OPCODE_VENDOR_T0:
> > - case ISCSI_OPCODE_VENDOR_T1:
> > - case ISCSI_OPCODE_VENDOR_T2:
> > - //
> > - // Allocate buffer to receive the data segment.
> > - //
> > - Len += PadLen + (DataDigest ? sizeof (UINT32) : 0);
> > - DataSeg = NetbufAlloc (Len);
> > - if (DataSeg == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > - }
> > -
> > - NetbufAllocSpace (DataSeg, Len, NET_BUF_TAIL);
> > - break;
> > -
> > - default:
> > - Status = EFI_PROTOCOL_ERROR;
> > - goto ON_EXIT;
> > - }
> > -
> > - InsertTailList (NbufList, &DataSeg->List);
> > -
> > - //
> > - // Receive the data segment with the data digest if any.
> > - //
> > - Status = Tcp4IoReceive (&Conn->Tcp4Io, DataSeg, FALSE, TimeoutEvent);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - if (DataDigest) {
> > - //
> > - // TODO: Check the data digest.
> > - //
> > - NetbufTrim (DataSeg, sizeof (UINT32), NET_BUF_TAIL);
> > - }
> > -
> > - if (PadLen != 0) {
> > - //
> > - // Trim off the padding bytes in the data segment.
> > - //
> > - NetbufTrim (DataSeg, PadLen, NET_BUF_TAIL);
> > - }
> > -
> > - //
> > - // Form the pdu from a list of pdu segments.
> > - //
> > - *Pdu = NetbufFromBufList (NbufList, 0, 0, IScsiFreeNbufList,
> NbufList);
> > - if (*Pdu == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > -ON_EXIT:
> > -
> > - if (EFI_ERROR (Status)) {
> > - //
> > - // Free the Nbufs in this NbufList and the NbufList itself.
> > - //
> > - IScsiFreeNbufList (NbufList);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Check and get the result of the prameter negotiation.
> > -
> > - @param[in, out] Conn The connection in iSCSI login.
> > -
> > - @retval EFI_SUCCESS The parmeter check is passed and
> negotiation is
> > finished.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > -**/
> > -EFI_STATUS
> > -IScsiCheckOpParams (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - )
> > -{
> > - EFI_STATUS Status;
> > - LIST_ENTRY *KeyValueList;
> > - CHAR8 *Data;
> > - UINT32 Len;
> > - ISCSI_SESSION *Session;
> > - CHAR8 *Value;
> > - UINTN NumericValue;
> > -
> > - ASSERT (Conn->RspQue.BufNum != 0);
> > -
> > - Session = Conn->Session;
> > -
> > - Len = Conn->RspQue.BufSize;
> > - Data = AllocatePool (Len);
> > - if (Data == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - NetbufQueCopy (&Conn->RspQue, 0, Len, (UINT8 *) Data);
> > -
> > - Status = EFI_PROTOCOL_ERROR;
> > -
> > - //
> > - // Extract the Key-Value pairs into a list.
> > - //
> > - KeyValueList = IScsiBuildKeyValueList (Data, Len);
> > - if (KeyValueList == NULL) {
> > - FreePool (Data);
> > - return Status;
> > - }
> > - //
> > - // HeaderDigest
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_HEADER_DIGEST);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - if (AsciiStrCmp (Value, "CRC32") == 0) {
> > - if (Conn->HeaderDigest != IScsiDigestCRC32) {
> > - goto ON_ERROR;
> > - }
> > - } else if (AsciiStrCmp (Value, ISCSI_KEY_VALUE_NONE) == 0) {
> > - Conn->HeaderDigest = IScsiDigestNone;
> > - } else {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // DataDigest
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DATA_DIGEST);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - if (AsciiStrCmp (Value, "CRC32") == 0) {
> > - if (Conn->DataDigest != IScsiDigestCRC32) {
> > - goto ON_ERROR;
> > - }
> > - } else if (AsciiStrCmp (Value, ISCSI_KEY_VALUE_NONE) == 0) {
> > - Conn->DataDigest = IScsiDigestNone;
> > - } else {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // ErrorRecoveryLevel, result fuction is Minimum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_ERROR_RECOVERY_LEVEL);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - if (NumericValue > 2) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->ErrorRecoveryLevel = (UINT8) MIN (Session-
> >ErrorRecoveryLevel,
> > NumericValue);
> > -
> > - //
> > - // InitialR2T, result function is OR.
> > - //
> > - if (!Session->InitialR2T) {
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_INITIAL_R2T);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->InitialR2T = (BOOLEAN) (AsciiStrCmp (Value, "Yes") == 0);
> > - }
> > -
> > - //
> > - // ImmediateData, result function is AND.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_IMMEDIATE_DATA);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->ImmediateData = (BOOLEAN) (Session->ImmediateData &&
> > (BOOLEAN) (AsciiStrCmp (Value, "Yes") == 0));
> > -
> > - //
> > - // MaxRecvDataSegmentLength is declarative.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_MAX_RECV_DATA_SEGMENT_LENGTH);
> > - if (Value != NULL) {
> > - Conn->MaxRecvDataSegmentLength = (UINT32) AsciiStrDecimalToUintn
> > (Value);
> > - }
> > - //
> > - // MaxBurstLength, result funtion is Mininum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_MAX_BURST_LENGTH);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - Session->MaxBurstLength = (UINT32) MIN (Session->MaxBurstLength,
> > NumericValue);
> > -
> > - //
> > - // FirstBurstLength, result function is Minimum. Irrelevant when
> > InitialR2T=Yes and
> > - // ImmediateData=No.
> > - // This Key/Value is negotiation type.
> > - //
> > - if (!(Session->InitialR2T && !Session->ImmediateData)) {
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_FIRST_BURST_LENGTH);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - Session->FirstBurstLength = (UINT32) MIN (Session->FirstBurstLength,
> > NumericValue);
> > - }
> > -
> > - //
> > - // MaxConnections, result function is Minimum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_MAX_CONNECTIONS);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - if ((NumericValue == 0) || (NumericValue > 65535)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->MaxConnections = (UINT32) MIN (Session->MaxConnections,
> > NumericValue);
> > -
> > - //
> > - // DataPDUInOrder, result function is OR.
> > - //
> > - if (!Session->DataPDUInOrder) {
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DATA_PDU_IN_ORDER);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->DataPDUInOrder = (BOOLEAN) (AsciiStrCmp (Value, "Yes") ==
> 0);
> > - }
> > -
> > - //
> > - // DataSequenceInorder, result function is OR.
> > - //
> > - if (!Session->DataSequenceInOrder) {
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DATA_SEQUENCE_IN_ORDER);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->DataSequenceInOrder = (BOOLEAN) (AsciiStrCmp (Value, "Yes")
> > == 0);
> > - }
> > -
> > - //
> > - // DefaultTime2Wait, result function is Maximum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DEFAULT_TIME2WAIT);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - if (NumericValue == 0) {
> > - Session->DefaultTime2Wait = 0;
> > - } else if (NumericValue > 3600) {
> > - goto ON_ERROR;
> > - } else {
> > - Session->DefaultTime2Wait = (UINT32) MAX (Session->DefaultTime2Wait,
> > NumericValue);
> > - }
> > - //
> > - // DefaultTime2Retain, result function is Minimum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DEFAULT_TIME2RETAIN);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - if (NumericValue == 0) {
> > - Session->DefaultTime2Retain = 0;
> > - } else if (NumericValue > 3600) {
> > - goto ON_ERROR;
> > - } else {
> > - Session->DefaultTime2Retain = (UINT32) MIN (Session-
> > >DefaultTime2Retain, NumericValue);
> > - }
> > - //
> > - // MaxOutstandingR2T, result function is Minimum.
> > - //
> > - Value = IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_MAX_OUTSTANDING_R2T);
> > - if (Value == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - NumericValue = AsciiStrDecimalToUintn (Value);
> > - if ((NumericValue == 0) || (NumericValue > 65535)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Session->MaxOutstandingR2T = (UINT16) MIN (Session-
> > >MaxOutstandingR2T, NumericValue);
> > -
> > - //
> > - // Remove declarative key-value pairs, if any.
> > - //
> > - IScsiGetValueByKeyFromList (KeyValueList, ISCSI_KEY_SESSION_TYPE);
> > - IScsiGetValueByKeyFromList (KeyValueList, ISCSI_KEY_TARGET_ALIAS);
> > - IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_TARGET_PORTAL_GROUP_TAG);
> > - //
> > - // Remove the key-value that may not needed for result function is OR.
> > - //
> > - IScsiGetValueByKeyFromList (KeyValueList, ISCSI_KEY_INITIAL_R2T);
> > - IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DATA_PDU_IN_ORDER);
> > - IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_DATA_SEQUENCE_IN_ORDER);
> > -
> > - //
> > - // Remove irrelevant parameter, if any.
> > - //
> > - if (Session->InitialR2T && !Session->ImmediateData) {
> > - IScsiGetValueByKeyFromList (KeyValueList,
> > ISCSI_KEY_FIRST_BURST_LENGTH);
> > - }
> > -
> > - if (IsListEmpty (KeyValueList)) {
> > - //
> > - // Succeed if no more keys in the list.
> > - //
> > - Status = EFI_SUCCESS;
> > - }
> > -
> > -ON_ERROR:
> > -
> > - IScsiFreeKeyValueList (KeyValueList);
> > -
> > - FreePool (Data);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Fill the oprational prameters.
> > -
> > - @param[in] Conn The connection in iSCSI login.
> > - @param[in, out] Pdu The iSCSI login request PDU to fill the
> parameters.
> > -
> > - @retval EFI_SUCCESS The parmeters are filled into the iSCSI
> login
> > request PDU.
> > -**/
> > -EFI_STATUS
> > -IScsiFillOpParams (
> > - IN ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - )
> > -{
> > - ISCSI_SESSION *Session;
> > - CHAR8 Value[256];
> > -
> > - Session = Conn->Session;
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", (Conn->HeaderDigest ==
> > IScsiDigestCRC32) ? "None,CRC32" : "None");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_HEADER_DIGEST, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", (Conn->DataDigest ==
> > IScsiDigestCRC32) ? "None,CRC32" : "None");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_DATA_DIGEST, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session-
> >ErrorRecoveryLevel);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_ERROR_RECOVERY_LEVEL, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", Session->InitialR2T ?
> "Yes" : "No");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_INITIAL_R2T, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", Session->ImmediateData ?
> "Yes" :
> > "No");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_IMMEDIATE_DATA, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d",
> > MAX_RECV_DATA_SEG_LEN_IN_FFP);
> > - IScsiAddKeyValuePair (Pdu,
> > ISCSI_KEY_MAX_RECV_DATA_SEGMENT_LENGTH, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session->MaxBurstLength);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_MAX_BURST_LENGTH, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session->FirstBurstLength);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_FIRST_BURST_LENGTH, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session->MaxConnections);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_MAX_CONNECTIONS, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", Session->DataPDUInOrder ?
> "Yes" :
> > "No");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_DATA_PDU_IN_ORDER, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%a", Session-
> >DataSequenceInOrder ?
> > "Yes" : "No");
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_DATA_SEQUENCE_IN_ORDER,
> > Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session->DefaultTime2Wait);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_DEFAULT_TIME2WAIT, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session-
> >DefaultTime2Retain);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_DEFAULT_TIME2RETAIN, Value);
> > -
> > - AsciiSPrint (Value, sizeof (Value), "%d", Session->MaxOutstandingR2T);
> > - IScsiAddKeyValuePair (Pdu, ISCSI_KEY_MAX_OUTSTANDING_R2T, Value);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Pad the iSCSI AHS or data segment to an integer number of 4 byte
> words.
> > -
> > - @param[in, out] Pdu The iSCSI pdu which contains segments to
> pad.
> > - @param[in] Len The length of the last semgnet in the
> PDU.
> > -
> > - @retval EFI_SUCCESS The segment is padded or no need to pad
> it.
> > - @retval EFI_OUT_OF_RESOURCES There is not enough remaining free
> > space to add the
> > - padding bytes.
> > -**/
> > -EFI_STATUS
> > -IScsiPadSegment (
> > - IN OUT NET_BUF *Pdu,
> > - IN UINT32 Len
> > - )
> > -{
> > - UINT32 PadLen;
> > - UINT8 *Data;
> > -
> > - PadLen = ISCSI_GET_PAD_LEN (Len);
> > -
> > - if (PadLen != 0) {
> > - Data = NetbufAllocSpace (Pdu, PadLen, NET_BUF_TAIL);
> > - if (Data == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - ZeroMem (Data, PadLen);
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Build a key-value list from the data segment.
> > -
> > - @param[in] Data The data segment containing the key-value pairs.
> > - @param[in] Len Length of the data segment.
> > -
> > - @return The key-value list.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -LIST_ENTRY *
> > -IScsiBuildKeyValueList (
> > - IN CHAR8 *Data,
> > - IN UINT32 Len
> > - )
> > -{
> > - LIST_ENTRY *ListHead;
> > - ISCSI_KEY_VALUE_PAIR *KeyValuePair;
> > -
> > - ListHead = AllocatePool (sizeof (LIST_ENTRY));
> > - if (ListHead == NULL) {
> > - return NULL;
> > - }
> > -
> > - InitializeListHead (ListHead);
> > -
> > - while (Len > 0) {
> > - KeyValuePair = AllocatePool (sizeof (ISCSI_KEY_VALUE_PAIR));
> > - if (KeyValuePair == NULL) {
> > - goto ON_ERROR;
> > - }
> > -
> > - InitializeListHead (&KeyValuePair->List);
> > -
> > - KeyValuePair->Key = Data;
> > -
> > - while ((Len > 0) && (*Data != '=')) {
> > - Len--;
> > - Data++;
> > - }
> > -
> > - if (*Data == '=') {
> > - *Data = '\0';
> > -
> > - Data++;
> > - Len--;
> > - } else {
> > - FreePool (KeyValuePair);
> > - goto ON_ERROR;
> > - }
> > -
> > - KeyValuePair->Value = Data;
> > -
> > - InsertTailList (ListHead, &KeyValuePair->List);;
> > -
> > - Data += AsciiStrLen (KeyValuePair->Value) + 1;
> > - Len -= (UINT32) AsciiStrLen (KeyValuePair->Value) + 1;
> > - }
> > -
> > - return ListHead;
> > -
> > -ON_ERROR:
> > -
> > - IScsiFreeKeyValueList (ListHead);
> > -
> > - return NULL;
> > -}
> > -
> > -/**
> > - Get the value string by the key name from the key-value list. If
> found,
> > - the key-value entry will be removed from the list.
> > -
> > - @param[in, out] KeyValueList The key-value list.
> > - @param[in] Key The key name to find.
> > -
> > - @return The value string.
> > -**/
> > -CHAR8 *
> > -IScsiGetValueByKeyFromList (
> > - IN OUT LIST_ENTRY *KeyValueList,
> > - IN CHAR8 *Key
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - ISCSI_KEY_VALUE_PAIR *KeyValuePair;
> > - CHAR8 *Value;
> > -
> > - Value = NULL;
> > -
> > - NET_LIST_FOR_EACH (Entry, KeyValueList) {
> > - KeyValuePair = NET_LIST_USER_STRUCT (Entry, ISCSI_KEY_VALUE_PAIR,
> > List);
> > -
> > - if (AsciiStrCmp (KeyValuePair->Key, Key) == 0) {
> > - Value = KeyValuePair->Value;
> > -
> > - RemoveEntryList (&KeyValuePair->List);
> > - FreePool (KeyValuePair);
> > - break;
> > - }
> > - }
> > -
> > - return Value;
> > -}
> > -
> > -/**
> > - Free the key-value list.
> > -
> > - @param[in] KeyValueList The key-value list.
> > -**/
> > -VOID
> > -IScsiFreeKeyValueList (
> > - IN LIST_ENTRY *KeyValueList
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - ISCSI_KEY_VALUE_PAIR *KeyValuePair;
> > -
> > - while (!IsListEmpty (KeyValueList)) {
> > - Entry = NetListRemoveHead (KeyValueList);
> > - KeyValuePair = NET_LIST_USER_STRUCT (Entry, ISCSI_KEY_VALUE_PAIR,
> > List);
> > -
> > - FreePool (KeyValuePair);
> > - }
> > -
> > - FreePool (KeyValueList);
> > -}
> > -
> > -/**
> > - Normalize the iSCSI name according to RFC.
> > -
> > - @param[in, out] Name The iSCSI name.
> > - @param[in] Len length of the iSCSI name.
> > -
> > - @retval EFI_SUCCESS The iSCSI name is valid and normalized.
> > - @retval EFI_PROTOCOL_ERROR The iSCSI name is mal-formatted or not in
> > the IQN format.
> > -**/
> > -EFI_STATUS
> > -IScsiNormalizeName (
> > - IN OUT CHAR8 *Name,
> > - IN UINTN Len
> > - )
> > -{
> > - UINTN Index;
> > -
> > - for (Index = 0; Index < Len; Index++) {
> > - if (NET_IS_UPPER_CASE_CHAR (Name[Index])) {
> > - //
> > - // Convert the upper-case characters to lower-case ones
> > - //
> > - Name[Index] = (CHAR8) (Name[Index] - 'A' + 'a');
> > - }
> > -
> > - if (!NET_IS_LOWER_CASE_CHAR (Name[Index]) &&
> > - !NET_IS_DIGIT (Name[Index]) &&
> > - (Name[Index] != '-') &&
> > - (Name[Index] != '.') &&
> > - (Name[Index] != ':')
> > - ) {
> > - //
> > - // ASCII dash, dot, colon lower-case characters and digit
> characters
> > - // are allowed.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - }
> > -
> > - if ((Len < 4) || (CompareMem (Name, "iqn.", 4) != 0)) {
> > - //
> > - // Only IQN format is accepted now.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Create an iSCSI task control block.
> > -
> > - @param[in] Conn The connection on which the task control
> block will
> > be created.
> > - @param[out] Tcb The newly created task control block.
> > -
> > - @retval EFI_SUCCESS The task control block is created.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NOT_READY The target can not accept new commands.
> > -**/
> > -EFI_STATUS
> > -IScsiNewTcb (
> > - IN ISCSI_CONNECTION *Conn,
> > - OUT ISCSI_TCB **Tcb
> > - )
> > -{
> > - ISCSI_SESSION *Session;
> > - ISCSI_TCB *NewTcb;
> > -
> > - ASSERT (Tcb != NULL);
> > -
> > - Session = Conn->Session;
> > -
> > - if (ISCSI_SEQ_GT (Session->CmdSN, Session->MaxCmdSN)) {
> > - return EFI_NOT_READY;
> > - }
> > -
> > - NewTcb = AllocateZeroPool (sizeof (ISCSI_TCB));
> > - if (NewTcb == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - InitializeListHead (&NewTcb->Link);
> > -
> > - NewTcb->SoFarInOrder = TRUE;
> > - NewTcb->InitiatorTaskTag = Session->InitiatorTaskTag;
> > - NewTcb->CmdSN = Session->CmdSN;
> > - NewTcb->Conn = Conn;
> > -
> > - InsertTailList (&Session->TcbList, &NewTcb->Link);
> > -
> > - //
> > - // Advance the initiator task tag.
> > - //
> > - Session->InitiatorTaskTag++;
> > - Session->CmdSN++;
> > -
> > - *Tcb = NewTcb;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Delete the tcb from the connection and destroy it.
> > -
> > - @param[in] Tcb The tcb to delete.
> > -**/
> > -VOID
> > -IScsiDelTcb (
> > - IN ISCSI_TCB *Tcb
> > - )
> > -{
> > - RemoveEntryList (&Tcb->Link);
> > -
> > - FreePool (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Create a data segment, pad it and calculate the CRC if needed.
> > -
> > - @param[in] Data The data to fill into the data segment.
> > - @param[in] Len Length of the data.
> > - @param[in] DataDigest Whether to calculate CRC for this data segment.
> > -
> > - @return The net buffer wrapping the data segment.
> > -**/
> > -NET_BUF *
> > -IScsiNewDataSegment (
> > - IN UINT8 *Data,
> > - IN UINT32 Len,
> > - IN BOOLEAN DataDigest
> > - )
> > -{
> > - NET_FRAGMENT Fragment[2];
> > - UINT32 FragmentCount;
> > - UINT32 PadLen;
> > - NET_BUF *DataSeg;
> > -
> > - Fragment[0].Len = Len;
> > - Fragment[0].Bulk = Data;
> > -
> > - PadLen = ISCSI_GET_PAD_LEN (Len);
> > - if (PadLen != 0) {
> > - Fragment[1].Len = PadLen;
> > - Fragment[1].Bulk = (UINT8 *) &mDataSegPad;
> > -
> > - FragmentCount = 2;
> > - } else {
> > - FragmentCount = 1;
> > - }
> > -
> > - DataSeg = NetbufFromExt (&Fragment[0], FragmentCount, 0, 0,
> > IScsiNbufExtFree, NULL);
> > -
> > - return DataSeg;
> > -}
> > -
> > -/**
> > - Create a iSCSI SCSI command PDU to encapsulate the command issued
> > - by SCSI through the EXT SCSI PASS THRU Protocol.
> > -
> > - @param[in] Packet The EXT SCSI PASS THRU request packet containing
> the
> > SCSI command.
> > - @param[in] Lun The LUN.
> > - @param[in] Tcb The tcb associated with this SCSI command.
> > -
> > - @return The created iSCSI SCSI command PDU.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -NET_BUF *
> > -IScsiNewScsiCmdPdu (
> > - IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,
> > - IN UINT64 Lun,
> > - IN ISCSI_TCB *Tcb
> > - )
> > -{
> > - LIST_ENTRY *NbufList;
> > - NET_BUF *Pdu;
> > - NET_BUF *PduHeader;
> > - NET_BUF *DataSeg;
> > - SCSI_COMMAND *ScsiCmd;
> > - UINT8 AHSLength;
> > - UINT32 Length;
> > - ISCSI_ADDITIONAL_HEADER *Header;
> > - ISCSI_BI_EXP_READ_DATA_LEN_AHS *BiExpReadDataLenAHS;
> > - ISCSI_SESSION *Session;
> > - UINT32 ImmediateDataLen;
> > -
> > - AHSLength = 0;
> > -
> > - if (Packet->DataDirection == DataBi) {
> > - //
> > - // Bi directional Read/Write command, the bidirectional expected
> > - // read data length AHS is required.
> > - //
> > - AHSLength += sizeof (ISCSI_BI_EXP_READ_DATA_LEN_AHS);
> > - }
> > -
> > - if (Packet->CdbLength > 16) {
> > - //
> > - // The CDB exceeds 16 bytes, an extended CDB AHS is required.
> > - //
> > - AHSLength = (UINT8) (AHSLength + (ISCSI_ROUNDUP (Packet-
> > >CdbLength - 16) + sizeof (ISCSI_ADDITIONAL_HEADER)));
> > - }
> > -
> > - Length = sizeof (SCSI_COMMAND) + AHSLength;
> > - PduHeader = NetbufAlloc (Length);
> > - if (PduHeader == NULL) {
> > - return NULL;
> > - }
> > -
> > - ScsiCmd = (SCSI_COMMAND *) NetbufAllocSpace (PduHeader, Length,
> > NET_BUF_TAIL);
> > - if (ScsiCmd == NULL) {
> > - NetbufFree (PduHeader);
> > - return NULL;
> > - }
> > - Header = (ISCSI_ADDITIONAL_HEADER *) (ScsiCmd + 1);
> > -
> > - ZeroMem (ScsiCmd, Length);
> > -
> > - ISCSI_SET_OPCODE (ScsiCmd, ISCSI_OPCODE_SCSI_CMD, 0);
> > - ISCSI_SET_FLAG (ScsiCmd, ISCSI_TASK_ATTR_SIMPLE);
> > -
> > - //
> > - // Set the READ/WRITE flags according to the IO type of this request.
> > - //
> > - switch (Packet->DataDirection) {
> > - case DataIn:
> > - ISCSI_SET_FLAG (ScsiCmd, SCSI_CMD_PDU_FLAG_READ);
> > - ScsiCmd->ExpDataXferLength = NTOHL (Packet->InTransferLength);
> > - break;
> > -
> > - case DataOut:
> > - ISCSI_SET_FLAG (ScsiCmd, SCSI_CMD_PDU_FLAG_WRITE);
> > - ScsiCmd->ExpDataXferLength = NTOHL (Packet->OutTransferLength);
> > - break;
> > -
> > - case DataBi:
> > - ISCSI_SET_FLAG (ScsiCmd, SCSI_CMD_PDU_FLAG_READ |
> > SCSI_CMD_PDU_FLAG_WRITE);
> > - ScsiCmd->ExpDataXferLength = NTOHL (Packet->OutTransferLength);
> > -
> > - //
> > - // Fill the bidirectional expected read data length AHS.
> > - //
> > - BiExpReadDataLenAHS =
> (ISCSI_BI_EXP_READ_DATA_LEN_AHS
> > *) Header;
> > - Header = (ISCSI_ADDITIONAL_HEADER *) (BiExpReadDataLenAHS + 1);
> > -
> > - BiExpReadDataLenAHS->Length = NTOHS (5);
> > - BiExpReadDataLenAHS->Type =
> > ISCSI_AHS_TYPE_BI_EXP_READ_DATA_LEN;
> > - BiExpReadDataLenAHS->ExpReadDataLength = NTOHL (Packet-
> > >InTransferLength);
> > -
> > - break;
> > - }
> > -
> > - ScsiCmd->TotalAHSLength = AHSLength;
> > - CopyMem (ScsiCmd->Lun, &Lun, sizeof (ScsiCmd->Lun));
> > - ScsiCmd->InitiatorTaskTag = NTOHL (Tcb->InitiatorTaskTag);
> > - ScsiCmd->CmdSN = NTOHL (Tcb->CmdSN);
> > - ScsiCmd->ExpStatSN = NTOHL (Tcb->Conn->ExpStatSN);
> > -
> > - CopyMem (ScsiCmd->Cdb, Packet->Cdb, sizeof (ScsiCmd->Cdb));
> > -
> > - if (Packet->CdbLength > 16) {
> > - Header->Length = NTOHS ((UINT16) (Packet->CdbLength - 15));
> > - Header->Type = ISCSI_AHS_TYPE_EXT_CDB;
> > -
> > - CopyMem (Header + 1, (UINT8 *) Packet->Cdb + 16, Packet->CdbLength
> -
> > 16);
> > - }
> > -
> > - Pdu = PduHeader;
> > - Session = Tcb->Conn->Session;
> > - ImmediateDataLen = 0;
> > -
> > - if (Session->ImmediateData && (Packet->OutTransferLength != 0)) {
> > - //
> > - // Send immediate data in this SCSI Command PDU. The length of the
> > immeidate
> > - // data is the minimum of FirstBurstLength, the data length to be
> xfered
> > and
> > - // the MaxRecvdataSegmentLength on this connection.
> > - //
> > - ImmediateDataLen = MIN (Session->FirstBurstLength, Packet-
> > >OutTransferLength);
> > - ImmediateDataLen = MIN (ImmediateDataLen, Tcb->Conn-
> > >MaxRecvDataSegmentLength);
> > -
> > - //
> > - // Update the data segment length in the PDU header.
> > - //
> > - ISCSI_SET_DATASEG_LEN (ScsiCmd, ImmediateDataLen);
> > -
> > - //
> > - // Create the data segment.
> > - //
> > - DataSeg = IScsiNewDataSegment ((UINT8 *) Packet->OutDataBuffer,
> > ImmediateDataLen, FALSE);
> > - if (DataSeg == NULL) {
> > - NetbufFree (PduHeader);
> > - Pdu = NULL;
> > - goto ON_EXIT;
> > - }
> > -
> > - NbufList = AllocatePool (sizeof (LIST_ENTRY));
> > - if (NbufList == NULL) {
> > - NetbufFree (PduHeader);
> > - NetbufFree (DataSeg);
> > -
> > - Pdu = NULL;
> > - goto ON_EXIT;
> > - }
> > -
> > - InitializeListHead (NbufList);
> > - InsertTailList (NbufList, &PduHeader->List);
> > - InsertTailList (NbufList, &DataSeg->List);
> > -
> > - Pdu = NetbufFromBufList (NbufList, 0, 0, IScsiFreeNbufList,
> NbufList);
> > - if (Pdu == NULL) {
> > - IScsiFreeNbufList (NbufList);
> > - }
> > - }
> > -
> > - if (Session->InitialR2T ||
> > - (ImmediateDataLen == Session->FirstBurstLength) ||
> > - (ImmediateDataLen == Packet->OutTransferLength)
> > - ) {
> > - //
> > - // Unsolicited data out sequence is not allowed,
> > - // or FirstBurstLength data is already sent out by immediate data
> > - // or all the OUT data accompany this SCSI packet is sent as
> > - // immediate data, the final flag should be set on this SCSI
> Command
> > - // PDU.
> > - //
> > - ISCSI_SET_FLAG (ScsiCmd, ISCSI_BHS_FLAG_FINAL);
> > - }
> > -
> > -ON_EXIT:
> > -
> > - return Pdu;
> > -}
> > -
> > -/**
> > - Create a new iSCSI SCSI Data Out PDU.
> > -
> > - @param[in] Data The data to put into the Data Out PDU.
> > - @param[in] Len Length of the data.
> > - @param[in] DataSN The DataSN of the Data Out PDU.
> > - @param[in] Tcb The task control block of this Data Out PDU.
> > - @param[in] Lun The LUN.
> > -
> > - @return The net buffer wrapping the Data Out PDU.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -NET_BUF *
> > -IScsiNewDataOutPdu (
> > - IN UINT8 *Data,
> > - IN UINT32 Len,
> > - IN UINT32 DataSN,
> > - IN ISCSI_TCB *Tcb,
> > - IN UINT64 Lun
> > - )
> > -{
> > - LIST_ENTRY *NbufList;
> > - NET_BUF *PduHdr;
> > - NET_BUF *DataSeg;
> > - NET_BUF *Pdu;
> > - ISCSI_SCSI_DATA_OUT *DataOutHdr;
> > - ISCSI_XFER_CONTEXT *XferContext;
> > -
> > - NbufList = AllocatePool (sizeof (LIST_ENTRY));
> > - if (NbufList == NULL) {
> > - return NULL;
> > - }
> > -
> > - InitializeListHead (NbufList);
> > -
> > - //
> > - // Allocate memory for the BHS.
> > - //
> > - PduHdr = NetbufAlloc (sizeof (ISCSI_SCSI_DATA_OUT));
> > - if (PduHdr == NULL) {
> > - FreePool (NbufList);
> > - return NULL;
> > - }
> > - //
> > - // Insert the BHS into the buffer list.
> > - //
> > - InsertTailList (NbufList, &PduHdr->List);
> > -
> > - DataOutHdr = (ISCSI_SCSI_DATA_OUT *) NetbufAllocSpace (PduHdr,
> > sizeof (ISCSI_SCSI_DATA_OUT), NET_BUF_TAIL);
> > - ASSERT (DataOutHdr != NULL);
> > - XferContext = &Tcb->XferContext;
> > -
> > - ZeroMem (DataOutHdr, sizeof (ISCSI_SCSI_DATA_OUT));
> > -
> > - //
> > - // Set the flags and fields of the Data Out PDU BHS.
> > - //
> > - ISCSI_SET_OPCODE (DataOutHdr, ISCSI_OPCODE_SCSI_DATA_OUT, 0);
> > - ISCSI_SET_DATASEG_LEN (DataOutHdr, Len);
> > -
> > - DataOutHdr->InitiatorTaskTag = HTONL (Tcb->InitiatorTaskTag);
> > - DataOutHdr->TargetTransferTag = HTONL (XferContext-
> > >TargetTransferTag);
> > - DataOutHdr->ExpStatSN = HTONL (Tcb->Conn->ExpStatSN);
> > - DataOutHdr->DataSN = HTONL (DataSN);
> > - DataOutHdr->BufferOffset = HTONL (XferContext->Offset);
> > -
> > - if (XferContext->TargetTransferTag != ISCSI_RESERVED_TAG) {
> > - CopyMem (&DataOutHdr->Lun, &Lun, sizeof (DataOutHdr->Lun));
> > - }
> > - //
> > - // Build the data segment for this Data Out PDU.
> > - //
> > - DataSeg = IScsiNewDataSegment (Data, Len, FALSE);
> > - if (DataSeg == NULL) {
> > - IScsiFreeNbufList (NbufList);
> > - return NULL;
> > - }
> > - //
> > - // Put the data segment into the buffer list and combine it with the
> BHS
> > - // into a full Data Out PDU.
> > - //
> > - InsertTailList (NbufList, &DataSeg->List);
> > - Pdu = NetbufFromBufList (NbufList, 0, 0, IScsiFreeNbufList, NbufList);
> > - if (Pdu == NULL) {
> > - IScsiFreeNbufList (NbufList);
> > - }
> > -
> > - return Pdu;
> > -}
> > -
> > -/**
> > - Generate a consecutive sequence of iSCSI SCSI Data Out PDUs.
> > -
> > - @param[in] Data The data which will be carried by the sequence of
> iSCSI
> > SCSI Data Out PDUs.
> > - @param[in] Tcb The task control block of the data to send out.
> > - @param[in] Lun The LUN the data will be sent to.
> > -
> > - @return A list of net buffers with each of them wraps an iSCSI SCSI
> Data
> > Out PDU.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -LIST_ENTRY *
> > -IScsiGenerateDataOutPduSequence (
> > - IN UINT8 *Data,
> > - IN ISCSI_TCB *Tcb,
> > - IN UINT64 Lun
> > - )
> > -{
> > - LIST_ENTRY *PduList;
> > - UINT32 DataSN;
> > - UINT32 DataLen;
> > - NET_BUF *DataOutPdu;
> > - ISCSI_CONNECTION *Conn;
> > - ISCSI_XFER_CONTEXT *XferContext;
> > - UINT8 *DataOutPacket;
> > -
> > - PduList = AllocatePool (sizeof (LIST_ENTRY));
> > - if (PduList == NULL) {
> > - return NULL;
> > - }
> > -
> > - InitializeListHead (PduList);
> > -
> > - DataSN = 0;
> > - Conn = Tcb->Conn;
> > - DataOutPdu = NULL;
> > - XferContext = &Tcb->XferContext;
> > -
> > - while (XferContext->DesiredLength > 0) {
> > - //
> > - // Determine the length of data this Data Out PDU can carry.
> > - //
> > - DataLen = MIN (XferContext->DesiredLength, Conn-
> > >MaxRecvDataSegmentLength);
> > -
> > - //
> > - // Create a Data Out PDU.
> > - //
> > - DataOutPdu = IScsiNewDataOutPdu (Data, DataLen, DataSN, Tcb, Lun);
> > - if (DataOutPdu == NULL) {
> > - IScsiFreeNbufList (PduList);
> > - PduList = NULL;
> > -
> > - goto ON_EXIT;
> > - }
> > -
> > - InsertTailList (PduList, &DataOutPdu->List);
> > -
> > - //
> > - // Update the context and DataSN.
> > - //
> > - XferContext->Offset += DataLen;
> > - XferContext->DesiredLength -= DataLen;
> > - DataSN++;
> > - Data += DataLen;
> > - }
> > - //
> > - // Set the F bit for the last data out PDU in this sequence.
> > - //
> > - DataOutPacket = NetbufGetByte (DataOutPdu, 0, NULL);
> > - if (DataOutPacket == NULL) {
> > - IScsiFreeNbufList (PduList);
> > - PduList = NULL;
> > - goto ON_EXIT;
> > - }
> > -
> > - ISCSI_SET_FLAG (DataOutPacket, ISCSI_BHS_FLAG_FINAL);
> > -
> > -ON_EXIT:
> > -
> > - return PduList;
> > -}
> > -
> > -/**
> > - Send the Data in a sequence of Data Out PDUs one by one.
> > -
> > - @param[in] Data The data to carry by Data Out PDUs.
> > - @param[in] Lun The LUN the data will be sent to.
> > - @param[in] Tcb The task control block.
> > -
> > - @retval EFI_SUCCES The data is sent out to the LUN.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiSendDataOutPduSequence (
> > - IN UINT8 *Data,
> > - IN UINT64 Lun,
> > - IN ISCSI_TCB *Tcb
> > - )
> > -{
> > - LIST_ENTRY *DataOutPduList;
> > - LIST_ENTRY *Entry;
> > - NET_BUF *Pdu;
> > - EFI_STATUS Status;
> > -
> > - //
> > - // Generate the Data Out PDU sequence.
> > - //
> > - DataOutPduList = IScsiGenerateDataOutPduSequence (Data, Tcb, Lun);
> > - if (DataOutPduList == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - //
> > - // Send the Data Out PDU's one by one.
> > - //
> > - NET_LIST_FOR_EACH (Entry, DataOutPduList) {
> > - Pdu = NET_LIST_USER_STRUCT (Entry, NET_BUF, List);
> > -
> > - Status = Tcp4IoTransmit (&Tcb->Conn->Tcp4Io, Pdu);
> > - if (EFI_ERROR (Status)) {
> > - break;
> > - }
> > - }
> > -
> > - IScsiFreeNbufList (DataOutPduList);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Process the received iSCSI SCSI Data In PDU.
> > -
> > - @param[in] Pdu The Data In PDU received.
> > - @param[in] Tcb The task control block.
> > - @param[in, out] Packet The EXT SCSI PASS THRU request packet.
> > -
> > - @retval EFI_SUCCES The check on the Data IN PDU is passed
> and
> > some update
> > - actions are taken.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol errror
> > happened.
> > - @retval EFI_BAD_BUFFER_SIZEE The buffer was not the proper size for
> the
> > request.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiOnDataInRcvd (
> > - IN NET_BUF *Pdu,
> > - IN ISCSI_TCB *Tcb,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
> > - )
> > -{
> > - ISCSI_SCSI_DATA_IN *DataInHdr;
> > - EFI_STATUS Status;
> > -
> > - DataInHdr = (ISCSI_SCSI_DATA_IN *) NetbufGetByte
> (Pdu, 0,
> > NULL);
> > - if (DataInHdr == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - DataInHdr->InitiatorTaskTag = NTOHL (DataInHdr->InitiatorTaskTag);
> > - DataInHdr->ExpCmdSN = NTOHL (DataInHdr->ExpCmdSN);
> > - DataInHdr->MaxCmdSN = NTOHL (DataInHdr->MaxCmdSN);
> > - DataInHdr->DataSN = NTOHL (DataInHdr->DataSN);
> > -
> > - //
> > - // Check the DataSN.
> > - //
> > - Status = IScsiCheckSN (&Tcb->ExpDataSN, DataInHdr->DataSN);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - if (DataInHdr->InitiatorTaskTag != Tcb->InitiatorTaskTag) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // Update the command related sequence numbers.
> > - //
> > - IScsiUpdateCmdSN (Tcb->Conn->Session, DataInHdr->MaxCmdSN,
> > DataInHdr->ExpCmdSN);
> > -
> > - if (ISCSI_FLAG_ON (DataInHdr,
> > SCSI_DATA_IN_PDU_FLAG_STATUS_VALID)) {
> > - if (!ISCSI_FLAG_ON (DataInHdr, ISCSI_BHS_FLAG_FINAL)) {
> > - //
> > - // The S bit is on but the F bit is off.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - Tcb->StatusXferd = TRUE;
> > -
> > - if (ISCSI_FLAG_ON (DataInHdr, SCSI_DATA_IN_PDU_FLAG_OVERFLOW |
> > SCSI_DATA_IN_PDU_FLAG_UNDERFLOW)) {
> > - //
> > - // Underflow and Overflow are mutual flags.
> > - //
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // S bit is on, the StatSN is valid.
> > - //
> > - Status = IScsiCheckSN (&Tcb->Conn->ExpStatSN, NTOHL (DataInHdr-
> > >StatSN));
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Packet->HostAdapterStatus = 0;
> > - Packet->TargetStatus = DataInHdr->Status;
> > -
> > - if (ISCSI_FLAG_ON (DataInHdr, SCSI_RSP_PDU_FLAG_OVERFLOW)) {
> > - Packet->InTransferLength += NTOHL (DataInHdr->ResidualCount);
> > - Status = EFI_BAD_BUFFER_SIZE;
> > - }
> > -
> > - if (ISCSI_FLAG_ON (DataInHdr, SCSI_RSP_PDU_FLAG_UNDERFLOW)) {
> > - Packet->InTransferLength -= NTOHL (DataInHdr->ResidualCount);
> > - }
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Process the received iSCSI R2T PDU.
> > -
> > - @param[in] Pdu The R2T PDU received.
> > - @param[in] Tcb The task control block.
> > - @param[in] Lun The Lun.
> > - @param[in, out] Packet The EXT SCSI PASS THRU request packet.
> > -
> > - @retval EFI_SUCCES The R2T PDU is valid and the solicited
> data is sent
> > out.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol errror
> > happened.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiOnR2TRcvd (
> > - IN NET_BUF *Pdu,
> > - IN ISCSI_TCB *Tcb,
> > - IN UINT64 Lun,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
> > - )
> > -{
> > - ISCSI_READY_TO_TRANSFER *R2THdr;
> > - EFI_STATUS Status;
> > - ISCSI_XFER_CONTEXT *XferContext;
> > - UINT8 *Data;
> > -
> > - R2THdr = (ISCSI_READY_TO_TRANSFER *) NetbufGetByte (Pdu, 0, NULL);
> > - if (R2THdr == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - R2THdr->InitiatorTaskTag = NTOHL (R2THdr->InitiatorTaskTag);
> > - R2THdr->TargetTransferTag = NTOHL (R2THdr->TargetTransferTag);
> > - R2THdr->StatSN = NTOHL (R2THdr->StatSN);
> > - R2THdr->R2TSeqNum = NTOHL (R2THdr->R2TSeqNum);
> > - R2THdr->BufferOffset = NTOHL (R2THdr->BufferOffset);
> > - R2THdr->DesiredDataTransferLength = NTOHL (R2THdr-
> > >DesiredDataTransferLength);
> > -
> > - if ((R2THdr->InitiatorTaskTag != Tcb->InitiatorTaskTag)
> || !ISCSI_SEQ_EQ
> > (R2THdr->StatSN, Tcb->Conn->ExpStatSN)) {
> > - return EFI_PROTOCOL_ERROR;;
> > - }
> > - //
> > - // Check the sequence number.
> > - //
> > - Status = IScsiCheckSN (&Tcb->ExpDataSN, R2THdr->R2TSeqNum);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - XferContext = &Tcb->XferContext;
> > - XferContext->TargetTransferTag = R2THdr->TargetTransferTag;
> > - XferContext->Offset = R2THdr->BufferOffset;
> > - XferContext->DesiredLength = R2THdr->DesiredDataTransferLength;
> > -
> > - if (((XferContext->Offset + XferContext->DesiredLength) > Packet-
> > >OutTransferLength) ||
> > - (XferContext->DesiredLength > Tcb->Conn->Session->MaxBurstLength)
> > - ) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - //
> > - // Send the data solicited by this R2T.
> > - //
> > - Data = (UINT8 *) Packet->OutDataBuffer + XferContext->Offset;
> > - Status = IScsiSendDataOutPduSequence (Data, Lun, Tcb);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Process the received iSCSI SCSI Response PDU.
> > -
> > - @param[in] Pdu The Response PDU received.
> > - @param[in] Tcb The task control block.
> > - @param[in, out] Packet The EXT SCSI PASS THRU request packet.
> > -
> > - @retval EFI_SUCCES The Response PDU is processed.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol errror
> > happened.
> > - @retval EFI_BAD_BUFFER_SIZEE The buffer was not the proper size for
> the
> > request.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiOnScsiRspRcvd (
> > - IN NET_BUF *Pdu,
> > - IN ISCSI_TCB *Tcb,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
> > - )
> > -{
> > - SCSI_RESPONSE *ScsiRspHdr;
> > - ISCSI_SENSE_DATA *SenseData;
> > - EFI_STATUS Status;
> > - UINT32 DataSegLen;
> > -
> > - ScsiRspHdr = (SCSI_RESPONSE *) NetbufGetByte (Pdu,
> 0, NULL);
> > - if (ScsiRspHdr == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - ScsiRspHdr->InitiatorTaskTag = NTOHL (ScsiRspHdr->InitiatorTaskTag);
> > - if (ScsiRspHdr->InitiatorTaskTag != Tcb->InitiatorTaskTag) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - ScsiRspHdr->StatSN = NTOHL (ScsiRspHdr->StatSN);
> > -
> > - Status = IScsiCheckSN (&Tcb->Conn->ExpStatSN,
> ScsiRspHdr-
> > >StatSN);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - ScsiRspHdr->MaxCmdSN = NTOHL (ScsiRspHdr->MaxCmdSN);
> > - ScsiRspHdr->ExpCmdSN = NTOHL (ScsiRspHdr->ExpCmdSN);
> > - IScsiUpdateCmdSN (Tcb->Conn->Session, ScsiRspHdr->MaxCmdSN,
> > ScsiRspHdr->ExpCmdSN);
> > -
> > - Tcb->StatusXferd = TRUE;
> > -
> > - Packet->HostAdapterStatus = ScsiRspHdr->Response;
> > - if (Packet->HostAdapterStatus !=
> > ISCSI_SERVICE_RSP_COMMAND_COMPLETE_AT_TARGET) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - Packet->TargetStatus = ScsiRspHdr->Status;
> > -
> > - if (ISCSI_FLAG_ON (ScsiRspHdr,
> > SCSI_RSP_PDU_FLAG_BI_READ_OVERFLOW |
> > SCSI_RSP_PDU_FLAG_BI_READ_UNDERFLOW) ||
> > - ISCSI_FLAG_ON (ScsiRspHdr, SCSI_RSP_PDU_FLAG_OVERFLOW |
> > SCSI_RSP_PDU_FLAG_UNDERFLOW)
> > - ) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - if (ISCSI_FLAG_ON (ScsiRspHdr,
> > SCSI_RSP_PDU_FLAG_BI_READ_OVERFLOW)) {
> > - Packet->InTransferLength += NTOHL (ScsiRspHdr->BiReadResidualCount);
> > - Status = EFI_BAD_BUFFER_SIZE;
> > - }
> > -
> > - if (ISCSI_FLAG_ON (ScsiRspHdr,
> > SCSI_RSP_PDU_FLAG_BI_READ_UNDERFLOW)) {
> > - Packet->InTransferLength -= NTOHL (ScsiRspHdr->BiReadResidualCount);
> > - }
> > -
> > - if (ISCSI_FLAG_ON (ScsiRspHdr, SCSI_RSP_PDU_FLAG_OVERFLOW)) {
> > - if (Packet->DataDirection == DataIn) {
> > - Packet->InTransferLength += NTOHL (ScsiRspHdr->ResidualCount);
> > - } else {
> > - Packet->OutTransferLength += NTOHL (ScsiRspHdr->ResidualCount);
> > - }
> > -
> > - Status = EFI_BAD_BUFFER_SIZE;
> > - }
> > -
> > - if (ISCSI_FLAG_ON (ScsiRspHdr, SCSI_RSP_PDU_FLAG_UNDERFLOW)) {
> > - if (Packet->DataDirection == DataIn) {
> > - Packet->InTransferLength -= NTOHL (ScsiRspHdr->ResidualCount);
> > - } else {
> > - Packet->OutTransferLength -= NTOHL (ScsiRspHdr->ResidualCount);
> > - }
> > - }
> > -
> > - DataSegLen = ISCSI_GET_DATASEG_LEN (ScsiRspHdr);
> > - if (DataSegLen != 0) {
> > - SenseData = (ISCSI_SENSE_DATA *) NetbufGetByte (Pdu,
> sizeof
> > (SCSI_RESPONSE), NULL);
> > - if (SenseData == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - SenseData->Length = NTOHS (SenseData->Length);
> > -
> > - Packet->SenseDataLength = (UINT8) MIN (SenseData->Length, Packet-
> > >SenseDataLength);
> > - if (Packet->SenseDataLength != 0) {
> > - CopyMem (Packet->SenseData, &SenseData->Data[0], Packet-
> > >SenseDataLength);
> > - }
> > - } else {
> > - Packet->SenseDataLength = 0;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Process the received NOP In PDU.
> > -
> > - @param[in] Pdu The NOP In PDU received.
> > - @param[in] Tcb The task control block.
> > -
> > - @retval EFI_SUCCES The NOP In PDU is processed and the
> related
> > sequence
> > - numbers are updated.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol errror
> > happened.
> > -**/
> > -EFI_STATUS
> > -IScsiOnNopInRcvd (
> > - IN NET_BUF *Pdu,
> > - IN ISCSI_TCB *Tcb
> > - )
> > -{
> > - ISCSI_NOP_IN *NopInHdr;
> > - EFI_STATUS Status;
> > -
> > - NopInHdr = (ISCSI_NOP_IN *) NetbufGetByte (Pdu, 0, NULL);
> > - if (NopInHdr == NULL) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > -
> > - NopInHdr->StatSN = NTOHL (NopInHdr->StatSN);
> > - NopInHdr->ExpCmdSN = NTOHL (NopInHdr->ExpCmdSN);
> > - NopInHdr->MaxCmdSN = NTOHL (NopInHdr->MaxCmdSN);
> > -
> > - if (NopInHdr->InitiatorTaskTag == ISCSI_RESERVED_TAG) {
> > - if (NopInHdr->StatSN != Tcb->Conn->ExpStatSN) {
> > - return EFI_PROTOCOL_ERROR;
> > - }
> > - } else {
> > - Status = IScsiCheckSN (&Tcb->Conn->ExpStatSN, NopInHdr->StatSN);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > -
> > - IScsiUpdateCmdSN (Tcb->Conn->Session, NopInHdr->MaxCmdSN,
> > NopInHdr->ExpCmdSN);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Execute the SCSI command issued through the EXT SCSI PASS THRU
> > protocol.
> > -
> > - @param[in] PassThru The EXT SCSI PASS THRU protocol.
> > - @param[in] Target The target ID.
> > - @param[in] Lun The LUN.
> > - @param[in, out] Packet The request packet containing IO request,
> SCSI
> > command
> > - buffer and buffers to read/write.
> > -
> > - @retval EFI_SUCCES The SCSI command is executed and the
> result is
> > updated to
> > - the Packet.
> > - @retval EFI_DEVICE_ERROR Session state was not as required.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NOT_READY The target can not accept new commands.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiExecuteScsiCommand (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru,
> > - IN UINT8 *Target,
> > - IN UINT64 Lun,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
> > - )
> > -{
> > - EFI_STATUS Status;
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_SESSION *Session;
> > - EFI_EVENT TimeoutEvent;
> > - ISCSI_CONNECTION *Conn;
> > - ISCSI_TCB *Tcb;
> > - NET_BUF *Pdu;
> > - ISCSI_XFER_CONTEXT *XferContext;
> > - UINT8 *Data;
> > - ISCSI_IN_BUFFER_CONTEXT InBufferContext;
> > - UINT64 Timeout;
> > - UINT8 *PduHdr;
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU (PassThru);
> > - Session = &Private->Session;
> > - Status = EFI_SUCCESS;
> > - Tcb = NULL;
> > - TimeoutEvent = NULL;
> > - Timeout = 0;
> > -
> > - if (Session->State != SESSION_STATE_LOGGED_IN) {
> > - Status = EFI_DEVICE_ERROR;
> > - goto ON_EXIT;
> > - }
> > -
> > - Conn = NET_LIST_USER_STRUCT_S (
> > - Session->Conns.ForwardLink,
> > - ISCSI_CONNECTION,
> > - Link,
> > - ISCSI_CONNECTION_SIGNATURE
> > - );
> > -
> > - if (Packet->Timeout != 0) {
> > - Timeout = MultU64x32 (Packet->Timeout, 2);
> > - }
> > -
> > - Status = IScsiNewTcb (Conn, &Tcb);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Encapsulate the SCSI request packet into an iSCSI SCSI Command PDU.
> > - //
> > - Pdu = IScsiNewScsiCmdPdu (Packet, Lun, Tcb);
> > - if (Pdu == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > - }
> > -
> > - XferContext = &Tcb->XferContext;
> > - PduHdr = NetbufGetByte (Pdu, 0, NULL);
> > - if (PduHdr == NULL) {
> > - Status = EFI_PROTOCOL_ERROR;
> > - NetbufFree (Pdu);
> > - goto ON_EXIT;
> > - }
> > - XferContext->Offset = ISCSI_GET_DATASEG_LEN (PduHdr);
> > -
> > - //
> > - // Transmit the SCSI Command PDU.
> > - //
> > - Status = Tcp4IoTransmit (&Conn->Tcp4Io, Pdu);
> > -
> > - NetbufFree (Pdu);
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - if (!Session->InitialR2T &&
> > - (XferContext->Offset < Session->FirstBurstLength) &&
> > - (XferContext->Offset < Packet->OutTransferLength)
> > - ) {
> > - //
> > - // Unsolicited Data-Out sequence is allowed, there is remaining
> SCSI
> > - // OUT data and the limit of FirstBurstLength is not reached.
> > - //
> > - XferContext->TargetTransferTag = ISCSI_RESERVED_TAG;
> > - XferContext->DesiredLength = MIN (
> > - Session->FirstBurstLength,
> > - Packet->OutTransferLength -
> XferContext->Offset
> > - );
> > -
> > - Data = (UINT8 *) Packet->OutDataBuffer + XferContext->Offset;
> > - Status = IScsiSendDataOutPduSequence (Data, Lun, Tcb);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - InBufferContext.InData = (UINT8 *) Packet->InDataBuffer;
> > - InBufferContext.InDataLen = Packet->InTransferLength;
> > -
> > - while (!Tcb->StatusXferd) {
> > - //
> > - // Start the timeout timer.
> > - //
> > - if (Timeout != 0) {
> > - Status = gBS->SetTimer (Conn->TimeoutEvent, TimerRelative,
> Timeout);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - TimeoutEvent = Conn->TimeoutEvent;
> > - }
> > - //
> > - // try to receive PDU from target.
> > - //
> > - Status = IScsiReceivePdu (Conn, &Pdu, &InBufferContext, FALSE,
> FALSE,
> > TimeoutEvent);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - PduHdr = NetbufGetByte (Pdu, 0, NULL);
> > - if (PduHdr == NULL) {
> > - Status = EFI_PROTOCOL_ERROR;
> > - NetbufFree (Pdu);
> > - goto ON_EXIT;
> > - }
> > - switch (ISCSI_GET_OPCODE (PduHdr)) {
> > - case ISCSI_OPCODE_SCSI_DATA_IN:
> > - Status = IScsiOnDataInRcvd (Pdu, Tcb, Packet);
> > - break;
> > -
> > - case ISCSI_OPCODE_R2T:
> > - Status = IScsiOnR2TRcvd (Pdu, Tcb, Lun, Packet);
> > - break;
> > -
> > - case ISCSI_OPCODE_SCSI_RSP:
> > - Status = IScsiOnScsiRspRcvd (Pdu, Tcb, Packet);
> > - break;
> > -
> > - case ISCSI_OPCODE_NOP_IN:
> > - Status = IScsiOnNopInRcvd (Pdu, Tcb);
> > - break;
> > -
> > - case ISCSI_OPCODE_VENDOR_T0:
> > - case ISCSI_OPCODE_VENDOR_T1:
> > - case ISCSI_OPCODE_VENDOR_T2:
> > - //
> > - // These messages are vendor specific, skip them.
> > - //
> > - break;
> > -
> > - default:
> > - Status = EFI_PROTOCOL_ERROR;
> > - break;
> > - }
> > -
> > - NetbufFree (Pdu);
> > -
> > - if (EFI_ERROR (Status)) {
> > - break;
> > - }
> > - }
> > -
> > -ON_EXIT:
> > -
> > - if (TimeoutEvent != NULL) {
> > - gBS->SetTimer (TimeoutEvent, TimerCancel, 0);
> > - }
> > -
> > - if (Tcb != NULL) {
> > - IScsiDelTcb (Tcb);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Reinstate the session on some error.
> > -
> > - @param[in, out] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCES The session is reinstated from some error.
> > - @retval Other Reinstatement failed.
> > -**/
> > -EFI_STATUS
> > -IScsiSessionReinstatement (
> > - IN OUT ISCSI_DRIVER_DATA *Private
> > - )
> > -{
> > - ISCSI_SESSION *Session;
> > - EFI_STATUS Status;
> > -
> > - Session = &Private->Session;
> > - ASSERT (Session->State != SESSION_STATE_FREE);
> > -
> > - //
> > - // Abort the session and re-init it.
> > - //
> > - IScsiSessionAbort (Session);
> > - IScsiSessionInit (Session, TRUE);
> > -
> > - //
> > - // Login again.
> > - //
> > - Status = IScsiSessionLogin (Private);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Initialize some session parameters before login.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in] Recovery Whether the request is from a fresh new
> start or
> > recovery.
> > -**/
> > -VOID
> > -IScsiSessionInit (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN BOOLEAN Recovery
> > - )
> > -{
> > - if (!Recovery) {
> > - Session->Signature = ISCSI_SESSION_SIGNATURE;
> > - Session->State = SESSION_STATE_FREE;
> > -
> > - InitializeListHead (&Session->Conns);
> > - InitializeListHead (&Session->TcbList);
> > - }
> > -
> > - Session->Tsih = 0;
> > -
> > - Session->CmdSN = 1;
> > - Session->InitiatorTaskTag = 1;
> > - Session->NextCid = 1;
> > -
> > - Session->TargetPortalGroupTag = 0;
> > - Session->MaxConnections = ISCSI_MAX_CONNS_PER_SESSION;
> > - Session->InitialR2T = FALSE;
> > - Session->ImmediateData = TRUE;
> > - Session->MaxBurstLength = 262144;
> > - Session->FirstBurstLength = MAX_RECV_DATA_SEG_LEN_IN_FFP;
> > - Session->DefaultTime2Wait = 2;
> > - Session->DefaultTime2Retain = 20;
> > - Session->MaxOutstandingR2T = DEFAULT_MAX_OUTSTANDING_R2T;
> > - Session->DataPDUInOrder = TRUE;
> > - Session->DataSequenceInOrder = TRUE;
> > - Session->ErrorRecoveryLevel = 0;
> > -}
> > -
> > -/**
> > - Abort the iSCSI session, that is, reset all the connection and free
> the
> > - resources.
> > -
> > - @param[in, out] Session The iSCSI session.
> > -
> > - @retval EFI_SUCCES The session is aborted.
> > -**/
> > -EFI_STATUS
> > -IScsiSessionAbort (
> > - IN OUT ISCSI_SESSION *Session
> > - )
> > -{
> > - ISCSI_DRIVER_DATA *Private;
> > - ISCSI_CONNECTION *Conn;
> > -
> > - if (Session->State != SESSION_STATE_LOGGED_IN) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - ASSERT (!IsListEmpty (&Session->Conns));
> > -
> > - Private = ISCSI_DRIVER_DATA_FROM_SESSION (Session);
> > -
> > - while (!IsListEmpty (&Session->Conns)) {
> > - Conn = NET_LIST_USER_STRUCT_S (
> > - Session->Conns.ForwardLink,
> > - ISCSI_CONNECTION,
> > - Link,
> > - ISCSI_CONNECTION_SIGNATURE
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Conn->Tcp4Io.Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - Private->Image,
> > - Private->ExtScsiPassThruHandle
> > - );
> > -
> > - IScsiConnReset (Conn);
> > -
> > - IScsiDetatchConnection (Conn);
> > - IScsiDestroyConnection (Conn);
> > - }
> > -
> > - Session->State = SESSION_STATE_FAILED;
> > -
> > - return EFI_SUCCESS;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.c
> > deleted file mode 100644
> > index 901b38e92fc0..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.c
> > +++ /dev/null
> > @@ -1,487 +0,0 @@
> > -/** @file
> > - The wrap of TCP/IP Socket interface.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "IScsiImpl.h"
> > -
> > -/**
> > - The common notify function associated with various Tcp4Io events.
> > -
> > - @param[in] Event The event signaled.
> > - @param[in] Context The context.
> > -**/
> > -VOID
> > -EFIAPI
> > -Tcp4IoCommonNotify (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - *((BOOLEAN *) Context) = TRUE;
> > -}
> > -
> > -/**
> > - Create a TCP socket with the specified configuration data.
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller.
> > - @param[in] ConfigData The Tcp4 configuration data.
> > - @param[in] Tcp4Io The Tcp4Io.
> > -
> > - @retval EFI_SUCCESS The TCP socket is created and configured.
> > - @retval Others Failed to create the TCP socket or configure
> it.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoCreateSocket (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller,
> > - IN TCP4_IO_CONFIG_DATA *ConfigData,
> > - IN TCP4_IO *Tcp4Io
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - EFI_TCP4_CONFIG_DATA Tcp4ConfigData;
> > - EFI_TCP4_OPTION ControlOption;
> > - EFI_TCP4_ACCESS_POINT *AccessPoint;
> > -
> > - Tcp4Io->Handle = NULL;
> > - Tcp4Io->ConnToken.CompletionToken.Event = NULL;
> > - Tcp4Io->TxToken.CompletionToken.Event = NULL;
> > - Tcp4Io->RxToken.CompletionToken.Event = NULL;
> > - Tcp4Io->CloseToken.CompletionToken.Event = NULL;
> > - Tcp4 = NULL;
> > -
> > - //
> > - // Create the TCP4 child instance and get the TCP4 protocol.
> > - //
> > - Status = NetLibCreateServiceChild (
> > - Controller,
> > - Image,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - &Tcp4Io->Handle
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Tcp4Io->Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - (VOID **)&Tcp4Io->Tcp4,
> > - Image,
> > - Controller,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Tcp4Io->Image = Image;
> > - Tcp4Io->Controller = Controller;
> > - Tcp4 = Tcp4Io->Tcp4;
> > -
> > - //
> > - // Set the configuration parameters.
> > - //
> > - ControlOption.ReceiveBufferSize = 0x200000;
> > - ControlOption.SendBufferSize = 0x200000;
> > - ControlOption.MaxSynBackLog = 0;
> > - ControlOption.ConnectionTimeout = 0;
> > - ControlOption.DataRetries = 6;
> > - ControlOption.FinTimeout = 0;
> > - ControlOption.TimeWaitTimeout = 0;
> > - ControlOption.KeepAliveProbes = 4;
> > - ControlOption.KeepAliveTime = 0;
> > - ControlOption.KeepAliveInterval = 0;
> > - ControlOption.EnableNagle = FALSE;
> > - ControlOption.EnableTimeStamp = FALSE;
> > - ControlOption.EnableWindowScaling = TRUE;
> > - ControlOption.EnableSelectiveAck = FALSE;
> > - ControlOption.EnablePathMtuDiscovery = FALSE;
> > -
> > - Tcp4ConfigData.TypeOfService = 8;
> > - Tcp4ConfigData.TimeToLive = 255;
> > - Tcp4ConfigData.ControlOption = &ControlOption;
> > -
> > - AccessPoint = &Tcp4ConfigData.AccessPoint;
> > -
> > - AccessPoint->UseDefaultAddress = FALSE;
> > - AccessPoint->StationPort = 0;
> > - AccessPoint->RemotePort = ConfigData->RemotePort;
> > - AccessPoint->ActiveFlag = TRUE;
> > -
> > - CopyMem (&AccessPoint->StationAddress, &ConfigData->LocalIp, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&AccessPoint->SubnetMask, &ConfigData->SubnetMask,
> > sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&AccessPoint->RemoteAddress, &ConfigData->RemoteIp,
> > sizeof (EFI_IPv4_ADDRESS));
> > -
> > - //
> > - // Configure the TCP4 protocol.
> > - //
> > - Status = Tcp4->Configure (Tcp4, &Tcp4ConfigData);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - if (!EFI_IP4_EQUAL (&ConfigData->Gateway, &mZeroIp4Addr)) {
> > - //
> > - // the gateway is not zero, add the default route by hand
> > - //
> > - Status = Tcp4->Routes (Tcp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr,
> > &ConfigData->Gateway);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > - }
> > - //
> > - // Create events for variuos asynchronous operations.
> > - //
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - Tcp4IoCommonNotify,
> > - &Tcp4Io->IsConnDone,
> > - &Tcp4Io->ConnToken.CompletionToken.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - Tcp4IoCommonNotify,
> > - &Tcp4Io->IsTxDone,
> > - &Tcp4Io->TxToken.CompletionToken.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - Tcp4IoCommonNotify,
> > - &Tcp4Io->IsRxDone,
> > - &Tcp4Io->RxToken.CompletionToken.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - Tcp4IoCommonNotify,
> > - &Tcp4Io->IsCloseDone,
> > - &Tcp4Io->CloseToken.CompletionToken.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Tcp4Io->IsTxDone = FALSE;
> > - Tcp4Io->IsRxDone = FALSE;
> > -
> > - return EFI_SUCCESS;
> > -
> > -ON_ERROR:
> > -
> > - if (Tcp4Io->RxToken.CompletionToken.Event != NULL) {
> > - gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);
> > - }
> > -
> > - if (Tcp4Io->TxToken.CompletionToken.Event != NULL) {
> > - gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);
> > - }
> > -
> > - if (Tcp4Io->ConnToken.CompletionToken.Event != NULL) {
> > - gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);
> > - }
> > -
> > - if (Tcp4 != NULL) {
> > - Tcp4->Configure (Tcp4, NULL);
> > -
> > - gBS->CloseProtocol (
> > - Tcp4Io->Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - Image,
> > - Controller
> > - );
> > - }
> > -
> > - NetLibDestroyServiceChild (
> > - Controller,
> > - Image,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - Tcp4Io->Handle
> > - );
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Destroy the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io which wraps the socket to be destroyeds.
> > -**/
> > -VOID
> > -Tcp4IoDestroySocket (
> > - IN TCP4_IO *Tcp4Io
> > - )
> > -{
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > -
> > - Tcp4 = Tcp4Io->Tcp4;
> > -
> > - Tcp4->Configure (Tcp4, NULL);
> > -
> > - gBS->CloseEvent (Tcp4Io->TxToken.CompletionToken.Event);
> > - gBS->CloseEvent (Tcp4Io->RxToken.CompletionToken.Event);
> > - gBS->CloseEvent (Tcp4Io->ConnToken.CompletionToken.Event);
> > -
> > - gBS->CloseProtocol (
> > - Tcp4Io->Handle,
> > - &gEfiTcp4ProtocolGuid,
> > - Tcp4Io->Image,
> > - Tcp4Io->Controller
> > - );
> > -
> > - NetLibDestroyServiceChild (
> > - Tcp4Io->Controller,
> > - Tcp4Io->Image,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - Tcp4Io->Handle
> > - );
> > -}
> > -
> > -/**
> > - Connect to the other endpoint of the TCP socket.
> > -
> > - @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > - @param[in] Timeout The time to wait for connection done.
> > -
> > - @retval EFI_SUCCESS Connect to the other endpoint of the TCP
> socket
> > successfully.
> > - @retval EFI_TIMEOUT Failed to connect to the other endpoint
> of the
> > TCP socket in the specified time period.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoConnect (
> > - IN OUT TCP4_IO *Tcp4Io,
> > - IN EFI_EVENT Timeout
> > - )
> > -{
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - EFI_STATUS Status;
> > -
> > - Tcp4Io->IsConnDone = FALSE;
> > - Tcp4 = Tcp4Io->Tcp4;
> > - Status = Tcp4->Connect (Tcp4, &Tcp4Io->ConnToken);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - while (!Tcp4Io->IsConnDone && EFI_ERROR (gBS->CheckEvent (Timeout)))
> > {
> > - Tcp4->Poll (Tcp4);
> > - }
> > -
> > - if (!Tcp4Io->IsConnDone) {
> > - Status = EFI_TIMEOUT;
> > - } else {
> > - Status = Tcp4Io->ConnToken.CompletionToken.Status;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Reset the socket.
> > -
> > - @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > -**/
> > -VOID
> > -Tcp4IoReset (
> > - IN OUT TCP4_IO *Tcp4Io
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > -
> > - Tcp4Io->CloseToken.AbortOnClose = TRUE;
> > - Tcp4Io->IsCloseDone = FALSE;
> > -
> > - Tcp4 = Tcp4Io->Tcp4;
> > - Status = Tcp4->Close (Tcp4, &Tcp4Io->CloseToken);
> > - if (EFI_ERROR (Status)) {
> > - return ;
> > - }
> > -
> > - while (!Tcp4Io->IsCloseDone) {
> > - Tcp4->Poll (Tcp4);
> > - }
> > -}
> > -
> > -/**
> > - Transmit the Packet to the other endpoint of the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > - @param[in] Packet The packet to transmit.
> > -
> > - @retval EFI_SUCCESS The packet is trasmitted.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoTransmit (
> > - IN TCP4_IO *Tcp4Io,
> > - IN NET_BUF *Packet
> > - )
> > -{
> > - EFI_TCP4_TRANSMIT_DATA *TxData;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - EFI_STATUS Status;
> > -
> > - TxData = AllocatePool (sizeof (EFI_TCP4_TRANSMIT_DATA) + (Packet-
> > >BlockOpNum - 1) * sizeof (EFI_TCP4_FRAGMENT_DATA));
> > - if (TxData == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - TxData->Push = TRUE;
> > - TxData->Urgent = FALSE;
> > - TxData->DataLength = Packet->TotalSize;
> > -
> > - //
> > - // Build the fragment table.
> > - //
> > - TxData->FragmentCount = Packet->BlockOpNum;
> > - NetbufBuildExt (Packet, (NET_FRAGMENT *) &TxData->FragmentTable[0],
> > &TxData->FragmentCount);
> > -
> > - Tcp4Io->TxToken.Packet.TxData = TxData;
> > -
> > - //
> > - // Trasnmit the packet.
> > - //
> > - Tcp4 = Tcp4Io->Tcp4;
> > - Status = Tcp4->Transmit (Tcp4, &Tcp4Io->TxToken);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - while (!Tcp4Io->IsTxDone) {
> > - Tcp4->Poll (Tcp4);
> > - }
> > -
> > - Tcp4Io->IsTxDone = FALSE;
> > -
> > - Status = Tcp4Io->TxToken.CompletionToken.Status;
> > -
> > -ON_EXIT:
> > -
> > - FreePool (TxData);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Receive data from the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io which wraps the socket to be
> > destroyed.
> > - @param[in] Packet The buffer to hold the data copy from
> the soket rx
> > buffer.
> > - @param[in] AsyncMode Is this receive asyncronous or not.
> > - @param[in] Timeout The time to wait for receiving the
> amount of data
> > the Packet
> > - can hold.
> > -
> > - @retval EFI_SUCCESS The required amount of data is received
> from
> > the socket.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate momery.
> > - @retval EFI_TIMEOUT Failed to receive the required amount of
> data in
> > the
> > - specified time period.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoReceive (
> > - IN TCP4_IO *Tcp4Io,
> > - IN NET_BUF *Packet,
> > - IN BOOLEAN AsyncMode,
> > - IN EFI_EVENT Timeout
> > - )
> > -{
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - EFI_TCP4_RECEIVE_DATA RxData;
> > - EFI_STATUS Status;
> > - NET_FRAGMENT *Fragment;
> > - UINT32 FragmentCount;
> > - UINT32 CurrentFragment;
> > -
> > - FragmentCount = Packet->BlockOpNum;
> > - Fragment = AllocatePool (FragmentCount * sizeof (NET_FRAGMENT));
> > - if (Fragment == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > - //
> > - // Build the fragment table.
> > - //
> > - NetbufBuildExt (Packet, Fragment, &FragmentCount);
> > -
> > - RxData.FragmentCount = 1;
> > - Tcp4Io->RxToken.Packet.RxData = &RxData;
> > - CurrentFragment = 0;
> > - Tcp4 = Tcp4Io->Tcp4;
> > - Status = EFI_SUCCESS;
> > -
> > - while (CurrentFragment < FragmentCount) {
> > - RxData.DataLength =
> Fragment[CurrentFragment].Len;
> > - RxData.FragmentTable[0].FragmentLength =
> > Fragment[CurrentFragment].Len;
> > - RxData.FragmentTable[0].FragmentBuffer =
> > Fragment[CurrentFragment].Bulk;
> > -
> > - Status = Tcp4->Receive (Tcp4, &Tcp4Io->RxToken);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - while (!Tcp4Io->IsRxDone && ((Timeout == NULL) || EFI_ERROR (gBS-
> > >CheckEvent (Timeout)))) {
> > - //
> > - // Poll until some data is received or something error happens.
> > - //
> > - Tcp4->Poll (Tcp4);
> > - }
> > -
> > - if (!Tcp4Io->IsRxDone) {
> > - //
> > - // Timeout occurs, cancel the receive request.
> > - //
> > - Tcp4->Cancel (Tcp4, &Tcp4Io->RxToken.CompletionToken);
> > -
> > - Status = EFI_TIMEOUT;
> > - goto ON_EXIT;
> > - } else {
> > - Tcp4Io->IsRxDone = FALSE;
> > - }
> > -
> > - if (EFI_ERROR (Tcp4Io->RxToken.CompletionToken.Status)) {
> > - Status = Tcp4Io->RxToken.CompletionToken.Status;
> > - goto ON_EXIT;
> > - }
> > -
> > - Fragment[CurrentFragment].Len -=
> > RxData.FragmentTable[0].FragmentLength;
> > - if (Fragment[CurrentFragment].Len == 0) {
> > - CurrentFragment++;
> > - } else {
> > - Fragment[CurrentFragment].Bulk +=
> > RxData.FragmentTable[0].FragmentLength;
> > - }
> > - }
> > -
> > -ON_EXIT:
> > - Tcp4Io->RxToken.Packet.RxData = NULL;
> > - FreePool (Fragment);
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/Md5.c
> > b/MdeModulePkg/Universal/Network/IScsiDxe/Md5.c
> > deleted file mode 100644
> > index 3555f1a2ebe3..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/Md5.c
> > +++ /dev/null
> > @@ -1,350 +0,0 @@
> > -/** @file
> > - Implementation of MD5 algorithm.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Md5.h"
> > -
> > -CONST UINT32 Md5_Data[][2] = {
> > - { 0, 1 },
> > - { 1, 5 },
> > - { 5, 3 },
> > - { 0, 7 }
> > -};
> > -
> > -CONST UINT32 Md5_S[][4] = {
> > - { 7, 22, 17, 12 },
> > - { 5, 20, 14, 9 },
> > - { 4, 23, 16 ,11 },
> > - { 6, 21, 15, 10 },
> > -};
> > -
> > -CONST UINT32 Md5_T[] = {
> > - 0xD76AA478, 0xE8C7B756, 0x242070DB, 0xC1BDCEEE,
> > - 0xF57C0FAF, 0x4787C62A, 0xA8304613, 0xFD469501,
> > - 0x698098D8, 0x8B44F7AF, 0xFFFF5BB1, 0x895CD7BE,
> > - 0x6B901122, 0xFD987193, 0xA679438E, 0x49B40821,
> > - 0xF61E2562, 0xC040B340, 0x265E5A51, 0xE9B6C7AA,
> > - 0xD62F105D, 0x02441453, 0xD8A1E681, 0xE7D3FBC8,
> > - 0x21E1CDE6, 0xC33707D6, 0xF4D50D87, 0x455A14ED,
> > - 0xA9E3E905, 0xFCEFA3F8, 0x676F02D9, 0x8D2A4C8A,
> > - 0xFFFA3942, 0x8771F681, 0x6D9D6122, 0xFDE5380C,
> > - 0xA4BEEA44, 0x4BDECFA9, 0xF6BB4B60, 0xBEBFBC70,
> > - 0x289B7EC6, 0xEAA127FA, 0xD4EF3085, 0x04881D05,
> > - 0xD9D4D039, 0xE6DB99E5, 0x1FA27CF8, 0xC4AC5665,
> > - 0xF4292244, 0x432AFF97, 0xAB9423A7, 0xFC93A039,
> > - 0x655B59C3, 0x8F0CCC92, 0xFFEFF47D, 0x85845DD1,
> > - 0x6FA87E4F, 0xFE2CE6E0, 0xA3014314, 0x4E0811A1,
> > - 0xF7537E82, 0xBD3AF235, 0x2AD7D2BB, 0xEB86D391
> > -};
> > -
> > -CONST UINT8 Md5HashPadding[] =
> > -{
> > - 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
> > - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
> > -};
> > -
> > -//
> > -// ROTATE_LEFT rotates x left n bits.
> > -//
> > -#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
> > -
> > -#define SA MedStates[Index2 & 3]
> > -#define SB MedStates[(Index2 + 1) & 3]
> > -#define SC MedStates[(Index2 + 2) & 3]
> > -#define SD MedStates[(Index2 + 3) & 3]
> > -
> > -/**
> > - Tf1 is one basic MD5 transform function.
> > -
> > - @param[in] A A 32-bit quantity.
> > - @param[in] B A 32-bit quantity.
> > - @param[in] C A 32-bit quantity.
> > -
> > - @return Output was produced as a 32-bit quantity based on
> the
> > - three 32-bit input quantity.
> > -**/
> > -UINT32
> > -Tf1 (
> > - IN UINT32 A,
> > - IN UINT32 B,
> > - IN UINT32 C
> > - )
> > -{
> > - return (A & B) | (~A & C);
> > -}
> > -
> > -/**
> > - Tf2 is one basic MD5 transform function.
> > -
> > - @param[in] A A 32-bit quantity.
> > - @param[in] B A 32-bit quantity.
> > - @param[in] C A 32-bit quantity.
> > -
> > - @return Output was produced as a 32-bit quantity based on
> the
> > - three 32-bit input quantity.
> > -**/
> > -UINT32
> > -Tf2 (
> > - IN UINT32 A,
> > - IN UINT32 B,
> > - IN UINT32 C
> > - )
> > -{
> > - return (A & C) | (B & ~C);
> > -}
> > -
> > -/**
> > - Tf3 is one basic MD5 transform function.
> > -
> > - @param[in] A A 32-bit quantity.
> > - @param[in] B A 32-bit quantity.
> > - @param[in] C A 32-bit quantity.
> > -
> > - @return Output was produced as a 32-bit quantity based on
> the
> > - three 32-bit input quantity.
> > -**/
> > -UINT32
> > -Tf3 (
> > - IN UINT32 A,
> > - IN UINT32 B,
> > - IN UINT32 C
> > - )
> > -{
> > - return A ^ B ^ C;
> > -}
> > -
> > -/**
> > - Tf4 is one basic MD5 transform function.
> > -
> > - @param[in] A A 32-bit quantity.
> > - @param[in] B A 32-bit quantity.
> > - @param[in] C A 32-bit quantity.
> > -
> > - @return Output was produced as a 32-bit quantity based on
> the
> > - three 32-bit input quantity.
> > -**/
> > -UINT32
> > -Tf4 (
> > - IN UINT32 A,
> > - IN UINT32 B,
> > - IN UINT32 C
> > - )
> > -{
> > - return B ^ (A | ~C);
> > -}
> > -
> > -typedef
> > -UINT32
> > -(*MD5_TRANSFORM_FUNC) (
> > - IN UINT32 A,
> > - IN UINT32 B,
> > - IN UINT32 C
> > - );
> > -
> > -CONST MD5_TRANSFORM_FUNC Md5_F[] = {
> > - Tf1,
> > - Tf2,
> > - Tf3,
> > - Tf4
> > -};
> > -
> > -/**
> > - Perform the MD5 transform on 64 bytes data segment.
> > -
> > - @param[in, out] Md5Ctx It includes the data segment for Md5
> transform.
> > -**/
> > -VOID
> > -MD5Transform (
> > - IN OUT MD5_CTX *Md5Ctx
> > - )
> > -{
> > - UINT32 Index1;
> > - UINT32 Index2;
> > - UINT32 MedStates[MD5_HASHSIZE >> 2];
> > - UINT32 *Data;
> > - UINT32 IndexD;
> > - UINT32 IndexT;
> > -
> > - Data = (UINT32 *) Md5Ctx->M;
> > -
> > - //
> > - // Copy MD5 states to MedStates
> > - //
> > - CopyMem (MedStates, Md5Ctx->States, MD5_HASHSIZE);
> > -
> > - IndexT = 0;
> > - for (Index1 = 0; Index1 < 4; Index1++) {
> > - IndexD = Md5_Data[Index1][0];
> > - for (Index2 = 16; Index2 > 0; Index2--) {
> > - SA += (*Md5_F[Index1]) (SB, SC, SD) + Data[IndexD] +
> Md5_T[IndexT];
> > - SA = ROTATE_LEFT (SA, Md5_S[Index1][Index2 & 3]);
> > - SA += SB;
> > -
> > - IndexD += Md5_Data[Index1][1];
> > - IndexD &= 15;
> > -
> > - IndexT++;
> > - }
> > - }
> > -
> > - for (Index1 = 0; Index1 < 4; Index1++) {
> > - Md5Ctx->States[Index1] += MedStates[Index1];
> > - }
> > -}
> > -
> > -/**
> > - Copy data segment into the M field of MD5_CTX structure for later
> > transform.
> > - If the length of data segment is larger than 64 bytes, then does the
> > transform
> > - immediately and the generated Md5 code is stored in the States field
> of
> > MD5_CTX
> > - data struct for later accumulation.
> > - All of Md5 code generated for the sequential 64-bytes data segaments
> are
> > be
> > - accumulated in MD5Final() function.
> > -
> > - @param[in, out] Md5Ctx The data structure of storing the original
> data
> > - segment and the final result.
> > - @param[in] Data The data wanted to be transformed.
> > - @param[in] DataLen The length of data.
> > -**/
> > -VOID
> > -MD5UpdateBlock (
> > - IN OUT MD5_CTX *Md5Ctx,
> > - IN CONST UINT8 *Data,
> > - IN UINTN DataLen
> > - )
> > -{
> > - UINTN Limit;
> > -
> > - for (Limit = 64 - Md5Ctx->Count; DataLen >= 64 - Md5Ctx->Count; Limit
> = 64)
> > {
> > - CopyMem (Md5Ctx->M + Md5Ctx->Count, (VOID *)Data, Limit);
> > - MD5Transform (Md5Ctx);
> > -
> > - Md5Ctx->Count = 0;
> > - Data += Limit;
> > - DataLen -= Limit;
> > - }
> > -
> > - CopyMem (Md5Ctx->M + Md5Ctx->Count, (VOID *)Data, DataLen);
> > - Md5Ctx->Count += DataLen;
> > -}
> > -
> > -/**
> > - Initialize four 32-bits chaining variables and use them to do the Md5
> > transform.
> > -
> > - @param[out] Md5Ctx The data structure of Md5.
> > -
> > - @retval EFI_SUCCESS Initialization is ok.
> > -**/
> > -EFI_STATUS
> > -MD5Init (
> > - OUT MD5_CTX *Md5Ctx
> > - )
> > -{
> > - ZeroMem (Md5Ctx, sizeof (*Md5Ctx));
> > -
> > - //
> > - // Set magic initialization constants.
> > - //
> > - Md5Ctx->States[0] = 0x67452301;
> > - Md5Ctx->States[1] = 0xefcdab89;
> > - Md5Ctx->States[2] = 0x98badcfe;
> > - Md5Ctx->States[3] = 0x10325476;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - the external interface of Md5 algorithm
> > -
> > - @param[in, out] Md5Ctx The data structure of storing the original
> data
> > - segment and the final result.
> > - @param[in] Data The data wanted to be transformed.
> > - @param[in] DataLen The length of data.
> > -
> > - @retval EFI_SUCCESS The transform is ok.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -MD5Update (
> > - IN OUT MD5_CTX *Md5Ctx,
> > - IN VOID *Data,
> > - IN UINTN DataLen
> > - )
> > -{
> > - if (EFI_ERROR (Md5Ctx->Status)) {
> > - return Md5Ctx->Status;
> > - }
> > -
> > - MD5UpdateBlock (Md5Ctx, (CONST UINT8 *) Data, DataLen);
> > - Md5Ctx->Length += DataLen;
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Accumulate the MD5 value of every data segment and generate the
> finial
> > - result according to MD5 algorithm.
> > -
> > - @param[in, out] Md5Ctx The data structure of storing the original
> data
> > - segment and the final result.
> > - @param[out] HashVal The final 128-bits output.
> > -
> > - @retval EFI_SUCCESS The transform is ok.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -MD5Final (
> > - IN OUT MD5_CTX *Md5Ctx,
> > - OUT UINT8 *HashVal
> > - )
> > -{
> > - UINTN PadLength;
> > -
> > - if (Md5Ctx->Status == EFI_ALREADY_STARTED) {
> > - //
> > - // Store Hashed value & Zeroize sensitive context information.
> > - //
> > - CopyMem (HashVal, (UINT8 *) Md5Ctx->States, MD5_HASHSIZE);
> > - ZeroMem ((UINT8 *)Md5Ctx, sizeof (*Md5Ctx));
> > -
> > - return EFI_SUCCESS;
> > - }
> > -
> > - if (EFI_ERROR (Md5Ctx->Status)) {
> > - return Md5Ctx->Status;
> > - }
> > -
> > - PadLength = Md5Ctx->Count >= 56 ? 120 : 56;
> > - PadLength -= Md5Ctx->Count;
> > - MD5UpdateBlock (Md5Ctx, Md5HashPadding, PadLength);
> > - Md5Ctx->Length = LShiftU64 (Md5Ctx->Length, 3);
> > - MD5UpdateBlock (Md5Ctx, (CONST UINT8 *) &Md5Ctx->Length, 8);
> > -
> > - ZeroMem (Md5Ctx->M, sizeof (Md5Ctx->M));
> > - Md5Ctx->Length = 0;
> > - Md5Ctx->Status = EFI_ALREADY_STARTED;
> > - return MD5Final (Md5Ctx, HashVal);
> > -}
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/Tcp4Dxe/ComponentName.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/ComponentName.c
> > deleted file mode 100644
> > index f1227691ec21..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/ComponentName.c
> > +++ /dev/null
> > @@ -1,433 +0,0 @@
> > -/** @file
> > - UEFI Component Name(2) protocol implementation for Tcp4Dxe driver.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified
> > - in RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] DriverName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - driver specified by This in the
> language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > - This and the language specified by
> Language was
> > - returned in DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -TcpComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - );
> > -
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by a driver.
> > -
> > - This function retrieves the user readable name of the controller
> specified
> > by
> > - ControllerHandle and ChildHandle in the form of a Unicode string. If
> the
> > - driver specified by This has a user readable name in the language
> specified
> > by
> > - Language, then a pointer to the controller name is returned in
> > ControllerName,
> > - and EFI_SUCCESS is returned. If the driver specified by This is not
> currently
> > - managing the controller specified by ControllerHandle and ChildHandle,
> > - then EFI_UNSUPPORTED is returned. If the driver specified by This
> does
> > not
> > - support the language specified by Language, then EFI_UNSUPPORTED is
> > returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > - specified by This is managing. This
> handle
> > - specifies the controller whose name is
> to be
> > - returned.
> > -
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > - the name of. This is an optional
> parameter that
> > - may be NULL. It will be NULL for
> device
> > - drivers. It will also be NULL for a
> bus drivers
> > - that wish to retrieve the name of the
> bus
> > - controller. It will not be NULL for a
> bus
> > - driver that wishes to retrieve the name
> of a
> > - child controller.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified in
> > - RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - controller specified by
> ControllerHandle and
> > - ChildHandle in the language specified
> by
> > - Language from the point of view of the
> driver
> > - specified by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in
> > - the language specified by Language for
> the
> > - driver specified by This was returned
> in
> > - DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid
> > - EFI_HANDLE.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > - managing the controller specified by
> > - ControllerHandle and ChildHandle.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -TcpComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - );
> > -
> > -
> > -///
> > -/// EFI Component Name Protocol
> > -///
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME_PROTOCOL gTcp4ComponentName = {
> > - TcpComponentNameGetDriverName,
> > - TcpComponentNameGetControllerName,
> > - "eng"
> > -};
> > -
> > -///
> > -/// EFI Component Name 2 Protocol
> > -///
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME2_PROTOCOL gTcp4ComponentName2 = {
> > - (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)
> > TcpComponentNameGetDriverName,
> > - (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)
> > TcpComponentNameGetControllerName,
> > - "en"
> > -};
> > -
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > mTcpDriverNameTable[] = {
> > - {
> > - "eng;en",
> > - L"Tcp Network Service Driver"
> > - },
> > - {
> > - NULL,
> > - NULL
> > - }
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > *gTcpControllerNameTable = NULL;
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified
> > - in RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] DriverName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - driver specified by This in the
> language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > - This and the language specified by
> Language was
> > - returned in DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -TcpComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - )
> > -{
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - mTcpDriverNameTable,
> > - DriverName,
> > - (BOOLEAN) (This == &gTcp4ComponentName)
> > - );
> > -}
> > -
> > -/**
> > - Update the component name for the Tcp4 child handle.
> > -
> > - @param Tcp4[in] A pointer to the EFI_TCP4_PROTOCOL.
> > -
> > -
> > - @retval EFI_SUCCESS Update the ControllerNameTable of
> this
> > instance successfully.
> > - @retval EFI_INVALID_PARAMETER The input parameter is invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -UpdateName (
> > - IN EFI_TCP4_PROTOCOL *Tcp4
> > - )
> > -{
> > - EFI_STATUS Status;
> > - CHAR16 HandleName[80];
> > - EFI_TCP4_CONFIG_DATA Tcp4ConfigData;
> > -
> > - if (Tcp4 == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // Format the child name into the string buffer as:
> > - // TCPv4 (SrcPort=59, DestPort=60, ActiveFlag=TRUE)
> > - //
> > - ZeroMem (&Tcp4ConfigData, sizeof (Tcp4ConfigData));
> > - Status = Tcp4->GetModeData (Tcp4, NULL, &Tcp4ConfigData, NULL, NULL,
> > NULL);
> > - if (!EFI_ERROR (Status)) {
> > - UnicodeSPrint (HandleName, sizeof (HandleName),
> > - L"TCPv4 (SrcPort=%d, DestPort=%d, ActiveFlag=%s)",
> > - Tcp4ConfigData.AccessPoint.StationPort,
> > - Tcp4ConfigData.AccessPoint.RemotePort,
> > - (Tcp4ConfigData.AccessPoint.ActiveFlag ? L"TRUE" : L"FALSE")
> > - );
> > - } else if (Status == EFI_NOT_STARTED) {
> > - UnicodeSPrint (
> > - HandleName,
> > - sizeof (HandleName),
> > - L"TCPv4 (Not started)"
> > - );
> > - } else {
> > - return Status;
> > - }
> > -
> > - if (gTcpControllerNameTable != NULL) {
> > - FreeUnicodeStringTable (gTcpControllerNameTable);
> > - gTcpControllerNameTable = NULL;
> > - }
> > -
> > - Status = AddUnicodeString2 (
> > - "eng",
> > - gTcp4ComponentName.SupportedLanguages,
> > - &gTcpControllerNameTable,
> > - HandleName,
> > - TRUE
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return AddUnicodeString2 (
> > - "en",
> > - gTcp4ComponentName2.SupportedLanguages,
> > - &gTcpControllerNameTable,
> > - HandleName,
> > - FALSE
> > - );
> > -}
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by a driver.
> > -
> > - This function retrieves the user readable name of the controller
> specified
> > by
> > - ControllerHandle and ChildHandle in the form of a Unicode string. If
> the
> > - driver specified by This has a user readable name in the language
> specified
> > by
> > - Language, then a pointer to the controller name is returned in
> > ControllerName,
> > - and EFI_SUCCESS is returned. If the driver specified by This is not
> currently
> > - managing the controller specified by ControllerHandle and ChildHandle,
> > - then EFI_UNSUPPORTED is returned. If the driver specified by This
> does
> > not
> > - support the language specified by Language, then EFI_UNSUPPORTED is
> > returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > - specified by This is managing. This
> handle
> > - specifies the controller whose name is
> to be
> > - returned.
> > -
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > - the name of. This is an optional
> parameter that
> > - may be NULL. It will be NULL for
> device
> > - drivers. It will also be NULL for a
> bus drivers
> > - that wish to retrieve the name of the
> bus
> > - controller. It will not be NULL for a
> bus
> > - driver that wishes to retrieve the name
> of a
> > - child controller.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified in
> > - RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - controller specified by
> ControllerHandle and
> > - ChildHandle in the language specified
> by
> > - Language from the point of view of the
> driver
> > - specified by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in
> > - the language specified by Language for
> the
> > - driver specified by This was returned
> in
> > - DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid
> > - EFI_HANDLE.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > - managing the controller specified by
> > - ControllerHandle and ChildHandle.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -TcpComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > -
> > - //
> > - // Only provide names for child handles.
> > - //
> > - if (ChildHandle == NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - //
> > - // Make sure this driver produced ChildHandle
> > - //
> > - Status = EfiTestChildHandle (
> > - ControllerHandle,
> > - ChildHandle,
> > - &gEfiIp4ProtocolGuid
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Retrieve an instance of a produced protocol from ChildHandle
> > - //
> > - Status = gBS->OpenProtocol (
> > - ChildHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - (VOID **)&Tcp4,
> > - NULL,
> > - NULL,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Update the component name for this child handle.
> > - //
> > - Status = UpdateName (Tcp4);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - gTcpControllerNameTable,
> > - ControllerName,
> > - (BOOLEAN)(This == &gTcp4ComponentName)
> > - );
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.c
> > deleted file mode 100644
> > index adb5aa35cdf2..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.c
> > +++ /dev/null
> > @@ -1,1201 +0,0 @@
> > -/** @file
> > - Implementation of the Socket.
> > -
> > -Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "SockImpl.h"
> > -
> > -/**
> > - Get the length of the data that can be retrieved from the socket
> > - receive buffer.
> > -
> > - @param SockBuffer Pointer to the socket receive buffer.
> > - @param IsUrg Pointer to a BOOLEAN variable. If TRUE
> the data is
> > - OOB.
> > - @param BufLen The maximum length of the data buffer
> to store
> > the
> > - received data in socket layer.
> > -
> > - @return The length of the data can be retreived.
> > -
> > -**/
> > -UINT32
> > -SockTcpDataToRcv (
> > - IN SOCK_BUFFER *SockBuffer,
> > - OUT BOOLEAN *IsUrg,
> > - IN UINT32 BufLen
> > - );
> > -
> > -/**
> > - Process the send token.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockProcessSndToken (
> > - IN OUT SOCKET *Sock
> > - );
> > -
> > -/**
> > - Supporting function for both SockImpl and SockInterface.
> > -
> > - @param Event The Event this notify function registered to,
> ignored.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -SockFreeFoo (
> > - IN EFI_EVENT Event
> > - )
> > -{
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Get the length of the data that can be retrieved from the socket
> > - receive buffer.
> > -
> > - @param SockBuffer Pointer to the socket receive buffer.
> > - @param IsUrg Pointer to a BOOLEAN variable. If TRUE
> the data is
> > - OOB.
> > - @param BufLen The maximum length of the data buffer
> to store
> > the
> > - received data in socket layer.
> > -
> > - @return The length of the data can be retreived.
> > -
> > -**/
> > -UINT32
> > -SockTcpDataToRcv (
> > - IN SOCK_BUFFER *SockBuffer,
> > - OUT BOOLEAN *IsUrg,
> > - IN UINT32 BufLen
> > - )
> > -{
> > - NET_BUF *RcvBufEntry;
> > - UINT32 DataLen;
> > - TCP_RSV_DATA *TcpRsvData;
> > - BOOLEAN Urg;
> > - ASSERT ((SockBuffer != NULL) && (IsUrg != NULL) && (BufLen > 0));
> > -
> > - RcvBufEntry = SockBufFirst (SockBuffer);
> > - ASSERT (RcvBufEntry != NULL);
> > -
> > - TcpRsvData = (TCP_RSV_DATA *) RcvBufEntry->ProtoData;
> > -
> > - *IsUrg = (BOOLEAN) ((TcpRsvData->UrgLen > 0) ? TRUE : FALSE);
> > -
> > - if (*IsUrg && TcpRsvData->UrgLen < RcvBufEntry->TotalSize) {
> > -
> > - DataLen = MIN (TcpRsvData->UrgLen, BufLen);
> > -
> > - if (DataLen < TcpRsvData->UrgLen) {
> > - TcpRsvData->UrgLen = TcpRsvData->UrgLen - DataLen;
> > - } else {
> > - TcpRsvData->UrgLen = 0;
> > - }
> > -
> > - return DataLen;
> > -
> > - }
> > -
> > - DataLen = RcvBufEntry->TotalSize;
> > -
> > - RcvBufEntry = SockBufNext (SockBuffer, RcvBufEntry);
> > -
> > - while ((BufLen > DataLen) && (RcvBufEntry != NULL)) {
> > -
> > - TcpRsvData = (TCP_RSV_DATA *) RcvBufEntry->ProtoData;
> > -
> > - Urg = (BOOLEAN) ((TcpRsvData->UrgLen > 0) ? TRUE : FALSE);
> > -
> > - if (*IsUrg != Urg) {
> > - break;
> > - }
> > -
> > - if (*IsUrg && TcpRsvData->UrgLen < RcvBufEntry->TotalSize) {
> > -
> > - if (TcpRsvData->UrgLen + DataLen < BufLen) {
> > - TcpRsvData->UrgLen = 0;
> > - } else {
> > - TcpRsvData->UrgLen = TcpRsvData->UrgLen - (BufLen - DataLen);
> > - }
> > -
> > - return MIN (TcpRsvData->UrgLen + DataLen, BufLen);
> > -
> > - }
> > -
> > - DataLen += RcvBufEntry->TotalSize;
> > -
> > - RcvBufEntry = SockBufNext (SockBuffer, RcvBufEntry);
> > - }
> > -
> > - DataLen = MIN (BufLen, DataLen);
> > - return DataLen;
> > -}
> > -
> > -
> > -/**
> > - Copy data from socket buffer to application provided receive buffer.
> > -
> > - @param Sock Pointer to the socket.
> > - @param TcpRxData Pointer to the application provided
> receive
> > buffer.
> > - @param RcvdBytes The maximum length of the data can be
> copied.
> > - @param IsOOB If TRUE the data is OOB, FALSE the data
> is normal.
> > -
> > -**/
> > -VOID
> > -SockSetTcpRxData (
> > - IN SOCKET *Sock,
> > - IN VOID *TcpRxData,
> > - IN UINT32 RcvdBytes,
> > - IN BOOLEAN IsOOB
> > - )
> > -{
> > - UINT32 Index;
> > - UINT32 CopyBytes;
> > - UINT32 OffSet;
> > - EFI_TCP4_RECEIVE_DATA *RxData;
> > - EFI_TCP4_FRAGMENT_DATA *Fragment;
> > -
> > - RxData = (EFI_TCP4_RECEIVE_DATA *) TcpRxData;
> > -
> > - OffSet = 0;
> > -
> > - ASSERT (RxData->DataLength >= RcvdBytes);
> > -
> > - RxData->DataLength = RcvdBytes;
> > - RxData->UrgentFlag = IsOOB;
> > -
> > - for (Index = 0; (Index < RxData->FragmentCount) && (RcvdBytes > 0);
> > Index++) {
> > -
> > - Fragment = &RxData->FragmentTable[Index];
> > - CopyBytes = MIN ((UINT32) (Fragment->FragmentLength), RcvdBytes);
> > -
> > - NetbufQueCopy (
> > - Sock->RcvBuffer.DataQueue,
> > - OffSet,
> > - CopyBytes,
> > - Fragment->FragmentBuffer
> > - );
> > -
> > - Fragment->FragmentLength = CopyBytes;
> > - RcvdBytes -= CopyBytes;
> > - OffSet += CopyBytes;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Get received data from the socket layer to the receive token.
> > -
> > - @param Sock Pointer to the socket.
> > - @param RcvToken Pointer to the application provided
> receive token.
> > -
> > - @return The length of data received in this token.
> > -
> > -**/
> > -UINT32
> > -SockProcessRcvToken (
> > - IN SOCKET *Sock,
> > - IN OUT SOCK_IO_TOKEN *RcvToken
> > - )
> > -{
> > - UINT32 TokenRcvdBytes;
> > - EFI_TCP4_RECEIVE_DATA *RxData;
> > - BOOLEAN IsUrg;
> > -
> > - ASSERT (Sock != NULL);
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - RxData = RcvToken->Packet.RxData;
> > -
> > - TokenRcvdBytes = SockTcpDataToRcv (
> > - &Sock->RcvBuffer,
> > - &IsUrg,
> > - (UINT32) RxData->DataLength
> > - );
> > -
> > - //
> > - // Copy data from RcvBuffer of socket to user
> > - // provided RxData and set the fields in TCP RxData
> > - //
> > - SockSetTcpRxData (Sock, RxData, TokenRcvdBytes, IsUrg);
> > -
> > - NetbufQueTrim (Sock->RcvBuffer.DataQueue, TokenRcvdBytes);
> > - SIGNAL_TOKEN (&(RcvToken->Token), EFI_SUCCESS);
> > -
> > - return TokenRcvdBytes;
> > -}
> > -
> > -
> > -/**
> > - Process the TCP send data, buffer the tcp txdata and append
> > - the buffer to socket send buffer,then try to send it.
> > -
> > - @param Sock Pointer to the socket.
> > - @param TcpTxData Pointer to the application provided
> send buffer.
> > -
> > - @retval EFI_SUCCESS The operation is completed successfully.
> > - @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockProcessTcpSndData (
> > - IN SOCKET *Sock,
> > - IN VOID *TcpTxData
> > - )
> > -{
> > - NET_BUF *SndData;
> > - EFI_STATUS Status;
> > - EFI_TCP4_TRANSMIT_DATA *TxData;
> > -
> > - TxData = (EFI_TCP4_TRANSMIT_DATA *) TcpTxData;
> > -
> > - //
> > - // transform this TxData into a NET_BUFFER
> > - // and insert it into Sock->SndBuffer
> > - //
> > - SndData = NetbufFromExt (
> > - (NET_FRAGMENT *) TxData->FragmentTable,
> > - (UINT32) TxData->FragmentCount,
> > - 0,
> > - 0,
> > - SockFreeFoo,
> > - NULL
> > - );
> > -
> > - if (NULL == SndData) {
> > - DEBUG ((EFI_D_ERROR, "SockKProcessSndData: Failed to"
> > - " call NetBufferFromExt\n"));
> > -
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - NetbufQueAppend (Sock->SndBuffer.DataQueue, SndData);
> > -
> > - //
> > - // notify the low layer protocol to handle this send token
> > - //
> > - if (TxData->Urgent) {
> > - Status = Sock->ProtoHandler (Sock, SOCK_SNDURG, NULL);
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > -
> > - if (TxData->Push) {
> > - Status = Sock->ProtoHandler (Sock, SOCK_SNDPUSH, NULL);
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > -
> > - //
> > - // low layer protocol should really handle the sending
> > - // process when catching SOCK_SND request
> > - //
> > - Status = Sock->ProtoHandler (Sock, SOCK_SND, NULL);
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Flush the tokens in the specific token list.
> > -
> > - @param Sock Pointer to the socket.
> > - @param PendingTokenList Pointer to the token list to be flushed.
> > -
> > -**/
> > -VOID
> > -SockFlushPendingToken (
> > - IN SOCKET *Sock,
> > - IN LIST_ENTRY *PendingTokenList
> > - )
> > -{
> > - SOCK_TOKEN *SockToken;
> > - SOCK_COMPLETION_TOKEN *Token;
> > -
> > - ASSERT ((Sock != NULL) && (PendingTokenList != NULL));
> > -
> > - while (!IsListEmpty (PendingTokenList)) {
> > - SockToken = NET_LIST_HEAD (
> > - PendingTokenList,
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - Token = SockToken->Token;
> > - SIGNAL_TOKEN (Token, Sock->SockError);
> > -
> > - RemoveEntryList (&(SockToken->TokenList));
> > - FreePool (SockToken);
> > - }
> > -}
> > -
> > -
> > -/**
> > - Wake up the connection token while the connection is successfully
> > established,
> > - then try to process any pending send token.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockWakeConnToken (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - ASSERT (Sock->ConnectionToken != NULL);
> > -
> > - SIGNAL_TOKEN (Sock->ConnectionToken, EFI_SUCCESS);
> > - Sock->ConnectionToken = NULL;
> > -
> > - //
> > - // check to see if some pending send token existed?
> > - //
> > - SockProcessSndToken (Sock);
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Wake up the listen token while the connection is established
> successfully.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockWakeListenToken (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - SOCKET *Parent;
> > - SOCK_TOKEN *SockToken;
> > - EFI_TCP4_LISTEN_TOKEN *ListenToken;
> > -
> > - Parent = Sock->Parent;
> > -
> > - ASSERT ((Parent != NULL) && SOCK_IS_LISTENING (Parent) &&
> > SOCK_IS_CONNECTED (Sock));
> > -
> > - if (!IsListEmpty (&Parent->ListenTokenList)) {
> > - SockToken = NET_LIST_HEAD (
> > - &Parent->ListenTokenList,
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - ListenToken = (EFI_TCP4_LISTEN_TOKEN *) SockToken->Token;
> > - ListenToken->NewChildHandle = Sock->SockHandle;
> > -
> > - SIGNAL_TOKEN (&(ListenToken->CompletionToken), EFI_SUCCESS);
> > -
> > - RemoveEntryList (&SockToken->TokenList);
> > - FreePool (SockToken);
> > -
> > - RemoveEntryList (&Sock->ConnectionList);
> > -
> > - Parent->ConnCnt--;
> > - DEBUG ((EFI_D_NET, "SockWakeListenToken: accept a socket, now
> > conncnt is %d", Parent->ConnCnt));
> > -
> > - Sock->Parent = NULL;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Wake up the receive token while some data is received.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockWakeRcvToken (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - UINT32 RcvdBytes;
> > - UINT32 TokenRcvdBytes;
> > - SOCK_TOKEN *SockToken;
> > - SOCK_IO_TOKEN *RcvToken;
> > -
> > - ASSERT (Sock->RcvBuffer.DataQueue != NULL);
> > -
> > - RcvdBytes = (Sock->RcvBuffer.DataQueue)->BufSize;
> > -
> > - ASSERT (RcvdBytes > 0);
> > -
> > - while (RcvdBytes > 0 && !IsListEmpty (&Sock->RcvTokenList)) {
> > -
> > - SockToken = NET_LIST_HEAD (
> > - &Sock->RcvTokenList,
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - RcvToken = (SOCK_IO_TOKEN *) SockToken->Token;
> > - TokenRcvdBytes = SockProcessRcvToken (Sock, RcvToken);
> > -
> > - if (0 == TokenRcvdBytes) {
> > - return ;
> > - }
> > -
> > - RemoveEntryList (&(SockToken->TokenList));
> > - FreePool (SockToken);
> > - RcvdBytes -= TokenRcvdBytes;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Process the send token.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockProcessSndToken (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - UINT32 FreeSpace;
> > - SOCK_TOKEN *SockToken;
> > - UINT32 DataLen;
> > - SOCK_IO_TOKEN *SndToken;
> > - EFI_TCP4_TRANSMIT_DATA *TxData;
> > - EFI_STATUS Status;
> > -
> > - ASSERT ((Sock != NULL) && (SockStream == Sock->Type));
> > -
> > - FreeSpace = SockGetFreeSpace (Sock, SOCK_SND_BUF);
> > -
> > - //
> > - // to determine if process a send token using
> > - // socket layer flow control policy
> > - //
> > - while ((FreeSpace >= Sock->SndBuffer.LowWater) &&
> > - !IsListEmpty (&Sock->SndTokenList)) {
> > -
> > - SockToken = NET_LIST_HEAD (
> > - &(Sock->SndTokenList),
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - //
> > - // process this token
> > - //
> > - RemoveEntryList (&(SockToken->TokenList));
> > - InsertTailList (
> > - &(Sock->ProcessingSndTokenList),
> > - &(SockToken->TokenList)
> > - );
> > -
> > - //
> > - // Proceess it in the light of SockType
> > - //
> > - SndToken = (SOCK_IO_TOKEN *) SockToken->Token;
> > - TxData = SndToken->Packet.TxData;
> > -
> > - DataLen = (UINT32) TxData->DataLength;
> > - Status = SockProcessTcpSndData (Sock, TxData);
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto OnError;
> > - }
> > -
> > - if (DataLen >= FreeSpace) {
> > - FreeSpace = 0;
> > -
> > - } else {
> > - FreeSpace -= DataLen;
> > -
> > - }
> > - }
> > -
> > - return ;
> > -
> > -OnError:
> > -
> > - RemoveEntryList (&SockToken->TokenList);
> > - SIGNAL_TOKEN (SockToken->Token, Status);
> > - FreePool (SockToken);
> > -}
> > -
> > -
> > -/**
> > - Create a socket with initial data SockInitData.
> > -
> > - @param SockInitData Pointer to the initial data of the
> socket.
> > -
> > - @return Pointer to the newly created socket, return NULL when
> exception
> > occured.
> > -
> > -**/
> > -SOCKET *
> > -SockCreate (
> > - IN SOCK_INIT_DATA *SockInitData
> > - )
> > -{
> > - SOCKET *Sock;
> > - SOCKET *Parent;
> > - EFI_STATUS Status;
> > -
> > - ASSERT ((SockInitData != NULL) && (SockInitData->ProtoHandler !=
> NULL));
> > - ASSERT (SockInitData->Type == SockStream);
> > - ASSERT ((SockInitData->ProtoData != NULL) && (SockInitData->DataSize
> <=
> > PROTO_RESERVED_LEN));
> > -
> > - Parent = SockInitData->Parent;
> > -
> > - if ((Parent != NULL) && (Parent->ConnCnt == Parent->BackLog)) {
> > - DEBUG (
> > - (EFI_D_ERROR,
> > - "SockCreate: Socket parent has "
> > - "reached its connection limit with %d ConnCnt and %d BackLog\n",
> > - Parent->ConnCnt,
> > - Parent->BackLog)
> > - );
> > -
> > - return NULL;
> > - }
> > -
> > - Sock = AllocateZeroPool (sizeof (SOCKET));
> > - if (NULL == Sock) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockCreate: No resource to create a new
> > socket\n"));
> > - return NULL;
> > - }
> > -
> > - InitializeListHead (&Sock->Link);
> > - InitializeListHead (&Sock->ConnectionList);
> > - InitializeListHead (&Sock->ListenTokenList);
> > - InitializeListHead (&Sock->RcvTokenList);
> > - InitializeListHead (&Sock->SndTokenList);
> > - InitializeListHead (&Sock->ProcessingSndTokenList);
> > -
> > - EfiInitializeLock (&(Sock->Lock), TPL_CALLBACK);
> > -
> > - Sock->SndBuffer.DataQueue = NetbufQueAlloc ();
> > - if (NULL == Sock->SndBuffer.DataQueue) {
> > - DEBUG ((EFI_D_ERROR, "SockCreate: No resource to allocate"
> > - " SndBuffer for new socket\n"));
> > -
> > - goto OnError;
> > - }
> > -
> > - Sock->RcvBuffer.DataQueue = NetbufQueAlloc ();
> > - if (NULL == Sock->RcvBuffer.DataQueue) {
> > - DEBUG ((EFI_D_ERROR, "SockCreate: No resource to allocate "
> > - "RcvBuffer for new socket\n"));
> > -
> > - goto OnError;
> > - }
> > -
> > - Sock->Signature = SOCK_SIGNATURE;
> > -
> > - Sock->Parent = Parent;
> > - Sock->BackLog = SockInitData->BackLog;
> > - Sock->ProtoHandler = SockInitData->ProtoHandler;
> > - Sock->SndBuffer.HighWater = SockInitData->SndBufferSize;
> > - Sock->RcvBuffer.HighWater = SockInitData->RcvBufferSize;
> > - Sock->Type = SockInitData->Type;
> > - Sock->DriverBinding = SockInitData->DriverBinding;
> > - Sock->State = SockInitData->State;
> > - Sock->CreateCallback = SockInitData->CreateCallback;
> > - Sock->DestroyCallback = SockInitData->DestroyCallback;
> > - Sock->Context = SockInitData->Context;
> > -
> > - Sock->SockError = EFI_ABORTED;
> > - Sock->SndBuffer.LowWater = SOCK_BUFF_LOW_WATER;
> > - Sock->RcvBuffer.LowWater = SOCK_BUFF_LOW_WATER;
> > -
> > - //
> > - // Install protocol on Sock->SockHandle
> > - //
> > - CopyMem (
> > - &(Sock->NetProtocol.TcpProtocol),
> > - SockInitData->Protocol,
> > - sizeof (EFI_TCP4_PROTOCOL)
> > - );
> > -
> > - //
> > - // copy the protodata into socket
> > - //
> > - CopyMem (Sock->ProtoReserved, SockInitData->ProtoData, SockInitData-
> > >DataSize);
> > -
> > - Status = gBS->InstallMultipleProtocolInterfaces (
> > - &Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - &(Sock->NetProtocol.TcpProtocol),
> > - NULL
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "SockCreate: Install TCP protocol in "
> > - "socket failed with %r\n", Status));
> > -
> > - goto OnError;
> > - }
> > -
> > - if (Parent != NULL) {
> > - ASSERT (Parent->BackLog > 0);
> > - ASSERT (SOCK_IS_LISTENING (Parent));
> > -
> > - //
> > - // need to add it into Parent->ConnectionList
> > - // if the Parent->ConnCnt < Parent->BackLog
> > - //
> > - Parent->ConnCnt++;
> > -
> > - DEBUG (
> > - (EFI_D_NET,
> > - "SockCreate: Create a new socket and add to parent, now conncnt
> > is %d\n",
> > - Parent->ConnCnt)
> > - );
> > -
> > - InsertTailList (&Parent->ConnectionList, &Sock->ConnectionList);
> > - }
> > -
> > - if (Sock->CreateCallback != NULL) {
> > - Status = Sock->CreateCallback (Sock, Sock->Context);
> > - if (EFI_ERROR (Status)) {
> > - goto OnError;
> > - }
> > - }
> > -
> > - return Sock;
> > -
> > -OnError:
> > -
> > - if (Sock->SockHandle != NULL) {
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - &(Sock->NetProtocol.TcpProtocol),
> > - NULL
> > - );
> > - }
> > -
> > - if (NULL != Sock->SndBuffer.DataQueue) {
> > - NetbufQueFree (Sock->SndBuffer.DataQueue);
> > - }
> > -
> > - if (NULL != Sock->RcvBuffer.DataQueue) {
> > - NetbufQueFree (Sock->RcvBuffer.DataQueue);
> > - }
> > -
> > - FreePool (Sock);
> > -
> > - return NULL;
> > -}
> > -
> > -
> > -/**
> > - Destroy a socket.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockDestroy (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - //
> > - // Flush the completion token buffered
> > - // by sock and rcv, snd buffer
> > - //
> > - if (!SOCK_IS_UNCONFIGURED (Sock)) {
> > -
> > - SockConnFlush (Sock);
> > - SockSetState (Sock, SO_CLOSED);
> > - Sock->ConfigureState = SO_UNCONFIGURED;
> > -
> > - }
> > - //
> > - // Destroy the RcvBuffer Queue and SendBuffer Queue
> > - //
> > - NetbufQueFree (Sock->RcvBuffer.DataQueue);
> > - NetbufQueFree (Sock->SndBuffer.DataQueue);
> > -
> > - //
> > - // Remove it from parent connection list if needed
> > - //
> > - if (Sock->Parent != NULL) {
> > -
> > - RemoveEntryList (&(Sock->ConnectionList));
> > - (Sock->Parent->ConnCnt)--;
> > -
> > - DEBUG (
> > - (EFI_D_NET,
> > - "SockDestroy: Delete a unaccepted socket from parent"
> > - "now conncnt is %d\n",
> > - Sock->Parent->ConnCnt)
> > - );
> > -
> > - Sock->Parent = NULL;
> > - }
> > -
> > - FreePool (Sock);
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Flush the sndBuffer and rcvBuffer of socket.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockConnFlush (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - SOCKET *Child;
> > -
> > - ASSERT (Sock != NULL);
> > -
> > - //
> > - // Clear the flag in this socket
> > - //
> > - Sock->Flag = 0;
> > -
> > - //
> > - // Flush the SndBuffer and RcvBuffer of Sock
> > - //
> > - NetbufQueFlush (Sock->SndBuffer.DataQueue);
> > - NetbufQueFlush (Sock->RcvBuffer.DataQueue);
> > -
> > - //
> > - // Signal the pending token
> > - //
> > - if (Sock->ConnectionToken != NULL) {
> > - SIGNAL_TOKEN (Sock->ConnectionToken, Sock->SockError);
> > - Sock->ConnectionToken = NULL;
> > - }
> > -
> > - if (Sock->CloseToken != NULL) {
> > - SIGNAL_TOKEN (Sock->CloseToken, Sock->SockError);
> > - Sock->CloseToken = NULL;
> > - }
> > -
> > - SockFlushPendingToken (Sock, &(Sock->ListenTokenList));
> > - SockFlushPendingToken (Sock, &(Sock->RcvTokenList));
> > - SockFlushPendingToken (Sock, &(Sock->SndTokenList));
> > - SockFlushPendingToken (Sock, &(Sock->ProcessingSndTokenList));
> > -
> > - //
> > - // Destroy the pending connection, if it is a listening socket
> > - //
> > - if (SOCK_IS_LISTENING (Sock)) {
> > - while (!IsListEmpty (&Sock->ConnectionList)) {
> > - Child = NET_LIST_HEAD (
> > - &Sock->ConnectionList,
> > - SOCKET,
> > - ConnectionList
> > - );
> > -
> > - SockDestroyChild (Child);
> > - }
> > -
> > - Sock->ConnCnt = 0;
> > - }
> > -
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Set the state of the socket.
> > -
> > - @param Sock Pointer to the socket.
> > - @param State The new socket state to be set.
> > -
> > -**/
> > -VOID
> > -SockSetState (
> > - IN OUT SOCKET *Sock,
> > - IN UINT8 State
> > - )
> > -{
> > - Sock->State = State;
> > -}
> > -
> > -
> > -/**
> > - Clone a new socket including its associated protocol control block.
> > -
> > - @param Sock Pointer to the socket to be cloned.
> > -
> > - @return Pointer to the newly cloned socket. If NULL, error condition
> > occurred.
> > -
> > -**/
> > -SOCKET *
> > -SockClone (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - SOCKET *ClonedSock;
> > - SOCK_INIT_DATA InitData;
> > -
> > - InitData.BackLog = Sock->BackLog;
> > - InitData.Parent = Sock;
> > - InitData.State = Sock->State;
> > - InitData.ProtoHandler = Sock->ProtoHandler;
> > - InitData.Type = Sock->Type;
> > - InitData.RcvBufferSize = Sock->RcvBuffer.HighWater;
> > - InitData.SndBufferSize = Sock->SndBuffer.HighWater;
> > - InitData.DriverBinding = Sock->DriverBinding;
> > - InitData.Protocol = &(Sock->NetProtocol);
> > - InitData.CreateCallback = Sock->CreateCallback;
> > - InitData.DestroyCallback = Sock->DestroyCallback;
> > - InitData.Context = Sock->Context;
> > - InitData.ProtoData = Sock->ProtoReserved;
> > - InitData.DataSize = sizeof (Sock->ProtoReserved);
> > -
> > - ClonedSock = SockCreate (&InitData);
> > -
> > - if (NULL == ClonedSock) {
> > - DEBUG ((EFI_D_ERROR, "SockClone: no resource to create a cloned
> > sock\n"));
> > - return NULL;
> > - }
> > -
> > - SockSetState (ClonedSock, SO_CONNECTING);
> > - ClonedSock->ConfigureState = Sock->ConfigureState;
> > -
> > - return ClonedSock;
> > -}
> > -
> > -
> > -/**
> > - Called by the low layer protocol to indicate the socket a connection
> is
> > - established.
> > -
> > - This function just changes the socket's state to SO_CONNECTED
> > - and signals the token used for connection establishment.
> > -
> > - @param Sock Pointer to the socket associated with
> the
> > - established connection.
> > -**/
> > -VOID
> > -SockConnEstablished (
> > - IN SOCKET *Sock
> > - )
> > -{
> > -
> > - ASSERT (SO_CONNECTING == Sock->State);
> > -
> > - SockSetState (Sock, SO_CONNECTED);
> > -
> > - if (NULL == Sock->Parent) {
> > - SockWakeConnToken (Sock);
> > - } else {
> > - SockWakeListenToken (Sock);
> > - }
> > -
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Called by the low layer protocol to indicate the connection is closed.
> > -
> > - This function flushes the socket, sets the state to SO_CLOSED and
> signals
> > - the close token.
> > -
> > - @param Sock Pointer to the socket associated with
> the closed
> > - connection.
> > -
> > -**/
> > -VOID
> > -SockConnClosed (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - if (Sock->CloseToken != NULL) {
> > - SIGNAL_TOKEN (Sock->CloseToken, EFI_SUCCESS);
> > - Sock->CloseToken = NULL;
> > - }
> > -
> > - SockConnFlush (Sock);
> > - SockSetState (Sock, SO_CLOSED);
> > -
> > - if (Sock->Parent != NULL) {
> > - SockDestroyChild (Sock);
> > - }
> > -
> > -}
> > -
> > -
> > -/**
> > - Called by low layer protocol to indicate that some data is sent or
> processed.
> > -
> > - This function trims the sent data in the socket send buffer, signals
> the data
> > - token if proper.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Count The length of the data processed or
> sent, in bytes.
> > -
> > -**/
> > -VOID
> > -SockDataSent (
> > - IN SOCKET *Sock,
> > - IN UINT32 Count
> > - )
> > -{
> > - SOCK_TOKEN *SockToken;
> > - SOCK_COMPLETION_TOKEN *SndToken;
> > -
> > - ASSERT (!IsListEmpty (&Sock->ProcessingSndTokenList));
> > - ASSERT (Count <= (Sock->SndBuffer.DataQueue)->BufSize);
> > -
> > - NetbufQueTrim (Sock->SndBuffer.DataQueue, Count);
> > -
> > - //
> > - // To check if we can signal some snd token in this socket
> > - //
> > - while (Count > 0) {
> > - SockToken = NET_LIST_HEAD (
> > - &(Sock->ProcessingSndTokenList),
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - SndToken = SockToken->Token;
> > -
> > - if (SockToken->RemainDataLen <= Count) {
> > -
> > - RemoveEntryList (&(SockToken->TokenList));
> > - SIGNAL_TOKEN (SndToken, EFI_SUCCESS);
> > - Count -= SockToken->RemainDataLen;
> > - FreePool (SockToken);
> > - } else {
> > -
> > - SockToken->RemainDataLen -= Count;
> > - Count = 0;
> > - }
> > - }
> > -
> > - //
> > - // to judge if we can process some send token in
> > - // Sock->SndTokenList, if so process those send token
> > - //
> > - SockProcessSndToken (Sock);
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Called by the low layer protocol to copy some data in socket send
> > - buffer starting from the specific offset to a buffer provided by
> > - the caller.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Offset The start point of the data to be
> copied.
> > - @param Len The length of the data to be copied.
> > - @param Dest Pointer to the destination to copy the
> data.
> > -
> > - @return The data size copied.
> > -
> > -**/
> > -UINT32
> > -SockGetDataToSend (
> > - IN SOCKET *Sock,
> > - IN UINT32 Offset,
> > - IN UINT32 Len,
> > - IN UINT8 *Dest
> > - )
> > -{
> > - ASSERT ((Sock != NULL) && SockStream == Sock->Type);
> > -
> > - return NetbufQueCopy (
> > - Sock->SndBuffer.DataQueue,
> > - Offset,
> > - Len,
> > - Dest
> > - );
> > -}
> > -
> > -
> > -/**
> > - Called by the low layer protocol to deliver received data to socket
> layer.
> > -
> > - This function will append the data to the socket receive buffer, set
> ther
> > - urgent data length and then check if any receive token can be
> signaled.
> > -
> > - @param Sock Pointer to the socket.
> > - @param NetBuffer Pointer to the buffer that contains the
> received
> > - data.
> > - @param UrgLen The length of the urgent data in the
> received data.
> > -
> > -**/
> > -VOID
> > -SockDataRcvd (
> > - IN SOCKET *Sock,
> > - IN OUT NET_BUF *NetBuffer,
> > - IN UINT32 UrgLen
> > - )
> > -{
> > - ASSERT ((Sock != NULL) && (Sock->RcvBuffer.DataQueue != NULL) &&
> > - UrgLen <= NetBuffer->TotalSize);
> > -
> > - NET_GET_REF (NetBuffer);
> > -
> > - ((TCP_RSV_DATA *) (NetBuffer->ProtoData))->UrgLen = UrgLen;
> > -
> > - NetbufQueAppend (Sock->RcvBuffer.DataQueue, NetBuffer);
> > -
> > - SockWakeRcvToken (Sock);
> > - return ;
> > -}
> > -
> > -
> > -/**
> > - Get the length of the free space of the specific socket buffer.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Which Flag to indicate which socket buffer to
> check,
> > - either send buffer or receive buffer.
> > -
> > - @return The length of the free space, in bytes.
> > -
> > -**/
> > -UINT32
> > -SockGetFreeSpace (
> > - IN SOCKET *Sock,
> > - IN UINT32 Which
> > - )
> > -{
> > - UINT32 BufferCC;
> > - SOCK_BUFFER *SockBuffer;
> > -
> > - ASSERT ((Sock != NULL) && ((SOCK_SND_BUF == Which) ||
> > (SOCK_RCV_BUF == Which)));
> > -
> > - if (SOCK_SND_BUF == Which) {
> > - SockBuffer = &(Sock->SndBuffer);
> > - } else {
> > - SockBuffer = &(Sock->RcvBuffer);
> > - }
> > -
> > - BufferCC = (SockBuffer->DataQueue)->BufSize;
> > -
> > - if (BufferCC >= SockBuffer->HighWater) {
> > -
> > - return 0;
> > - }
> > -
> > - return SockBuffer->HighWater - BufferCC;
> > -}
> > -
> > -
> > -
> > -/**
> > - Called by the low layer protocol to indicate that there will be no
> more data
> > - from the communication peer.
> > -
> > - This function set the socket's state to SO_NO_MORE_DATA and signal
> all
> > queued
> > - IO tokens with the error status EFI_CONNECTION_FIN.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockNoMoreData (
> > - IN OUT SOCKET *Sock
> > - )
> > -{
> > - EFI_STATUS Err;
> > -
> > - SOCK_NO_MORE_DATA (Sock);
> > -
> > - if (!IsListEmpty (&Sock->RcvTokenList)) {
> > -
> > - ASSERT (0 == GET_RCV_DATASIZE (Sock));
> > -
> > - Err = Sock->SockError;
> > -
> > - SOCK_ERROR (Sock, EFI_CONNECTION_FIN);
> > -
> > - SockFlushPendingToken (Sock, &Sock->RcvTokenList);
> > -
> > - SOCK_ERROR (Sock, Err);
> > -
> > - }
> > -
> > -}
> > -
> > -
> > -/**
> > - Get the first buffer block in the specific socket buffer.
> > -
> > - @param Sockbuf Pointer to the socket buffer.
> > -
> > - @return Pointer to the first buffer in the queue. NULL if the queue
> is
> > empty.
> > -
> > -**/
> > -NET_BUF *
> > -SockBufFirst (
> > - IN SOCK_BUFFER *Sockbuf
> > - )
> > -{
> > - LIST_ENTRY *NetbufList;
> > -
> > - NetbufList = &(Sockbuf->DataQueue->BufList);
> > -
> > - if (IsListEmpty (NetbufList)) {
> > - return NULL;
> > - }
> > -
> > - return NET_LIST_HEAD (NetbufList, NET_BUF, List);
> > -}
> > -
> > -
> > -/**
> > - Get the next buffer block in the specific socket buffer.
> > -
> > - @param Sockbuf Pointer to the socket buffer.
> > - @param SockEntry Pointer to the buffer block prior to
> the required
> > - one.
> > -
> > - @return Pointer to the buffer block next to SockEntry. NULL if
> SockEntry is
> > - the tail or head entry.
> > -
> > -**/
> > -NET_BUF *
> > -SockBufNext (
> > - IN SOCK_BUFFER *Sockbuf,
> > - IN NET_BUF *SockEntry
> > - )
> > -{
> > - LIST_ENTRY *NetbufList;
> > -
> > - NetbufList = &(Sockbuf->DataQueue->BufList);
> > -
> > - if ((SockEntry->List.ForwardLink == NetbufList) ||
> > - (SockEntry->List.BackLink == &SockEntry->List) ||
> > - (SockEntry->List.ForwardLink == &SockEntry->List)) {
> > -
> > - return NULL;
> > - }
> > -
> > - return NET_LIST_USER_STRUCT (SockEntry->List.ForwardLink, NET_BUF,
> > List);
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockInterface.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/SockInterface.c
> > deleted file mode 100644
> > index cd20b8bcb2dd..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockInterface.c
> > +++ /dev/null
> > @@ -1,990 +0,0 @@
> > -/** @file
> > - Interface function of the Socket.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "SockImpl.h"
> > -
> > -
> > -/**
> > - Check whether the Event is in the List.
> > -
> > - @param List Pointer to the token list to be searched.
> > - @param Event The event to be checked.
> > -
> > - @retval TRUE The specific Event exists in the List.
> > - @retval FALSE The specific Event is not in the List.
> > -
> > -**/
> > -BOOLEAN
> > -SockTokenExistedInList (
> > - IN LIST_ENTRY *List,
> > - IN EFI_EVENT Event
> > - )
> > -{
> > - LIST_ENTRY *ListEntry;
> > - SOCK_TOKEN *SockToken;
> > -
> > - NET_LIST_FOR_EACH (ListEntry, List) {
> > - SockToken = NET_LIST_USER_STRUCT (
> > - ListEntry,
> > - SOCK_TOKEN,
> > - TokenList
> > - );
> > -
> > - if (Event == SockToken->Token->Event) {
> > - return TRUE;
> > - }
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -
> > -/**
> > - Call SockTokenExistedInList() to check whether the Event is
> > - in the related socket's lists.
> > -
> > - @param Sock Pointer to the instance's socket.
> > - @param Event The event to be checked.
> > -
> > - @retval TRUE The Event exists in related socket's
> lists.
> > - @retval FALSE The Event is not in related socket's
> lists.
> > -
> > -**/
> > -BOOLEAN
> > -SockTokenExisted (
> > - IN SOCKET *Sock,
> > - IN EFI_EVENT Event
> > - )
> > -{
> > -
> > - if (SockTokenExistedInList (&Sock->SndTokenList, Event) ||
> > - SockTokenExistedInList (&Sock->ProcessingSndTokenList, Event) ||
> > - SockTokenExistedInList (&Sock->RcvTokenList, Event) ||
> > - SockTokenExistedInList (&Sock->ListenTokenList, Event)) {
> > -
> > - return TRUE;
> > - }
> > -
> > - if ((Sock->ConnectionToken != NULL) &&
> > - (Sock->ConnectionToken->Event == Event)) {
> > -
> > - return TRUE;
> > - }
> > -
> > - if ((Sock->CloseToken != NULL) && (Sock->CloseToken->Event == Event))
> {
> > - return TRUE;
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -
> > -/**
> > - Buffer a token into the specific list of socket Sock.
> > -
> > - @param Sock Pointer to the instance's socket.
> > - @param List Pointer to the list to store the token.
> > - @param Token Pointer to the token to be buffered.
> > - @param DataLen The data length of the buffer contained
> in Token.
> > -
> > - @return Pointer to the token that wraps Token. If NULL, error
> condition
> > occurred.
> > -
> > -**/
> > -SOCK_TOKEN *
> > -SockBufferToken (
> > - IN SOCKET *Sock,
> > - IN LIST_ENTRY *List,
> > - IN VOID *Token,
> > - IN UINT32 DataLen
> > - )
> > -{
> > - SOCK_TOKEN *SockToken;
> > -
> > - SockToken = AllocatePool (sizeof (SOCK_TOKEN));
> > - if (NULL == SockToken) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockBufferIOToken: No Memory "
> > - "to allocate SockToken\n"));
> > -
> > - return NULL;
> > - }
> > -
> > - SockToken->Sock = Sock;
> > - SockToken->Token = (SOCK_COMPLETION_TOKEN *) Token;
> > - SockToken->RemainDataLen = DataLen;
> > - InsertTailList (List, &SockToken->TokenList);
> > -
> > - return SockToken;
> > -}
> > -
> > -
> > -/**
> > - Destroy the socket Sock and its associated protocol control block.
> > -
> > - @param Sock The socket to be destroyed.
> > -
> > - @retval EFI_SUCCESS The socket Sock is destroyed
> successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > -
> > -**/
> > -EFI_STATUS
> > -SockDestroyChild (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - EFI_STATUS Status;
> > - TCP4_PROTO_DATA *ProtoData;
> > - TCP_CB *Tcb;
> > - VOID *SockProtocol;
> > -
> > - ASSERT ((Sock != NULL) && (Sock->ProtoHandler != NULL));
> > -
> > - if (Sock->InDestroy) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - Sock->InDestroy = TRUE;
> > -
> > - ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
> > - Tcb = ProtoData->TcpPcb;
> > -
> > - ASSERT (Tcb != NULL);
> > -
> > - //
> > - // Close the IP protocol.
> > - //
> > - gBS->CloseProtocol (
> > - Tcb->IpInfo->ChildHandle,
> > - &gEfiIp4ProtocolGuid,
> > - ProtoData->TcpService->IpIo->Image,
> > - Sock->SockHandle
> > - );
> > -
> > - if (Sock->DestroyCallback != NULL) {
> > - Sock->DestroyCallback (Sock, Sock->Context);
> > - }
> > -
> > - //
> > - // Retrieve the protocol installed on this sock
> > - //
> > - Status = gBS->OpenProtocol (
> > - Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - &SockProtocol,
> > - Sock->DriverBinding,
> > - Sock->SockHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockDestroyChild: Open protocol installed "
> > - "on socket failed with %r\n", Status));
> > - }
> > -
> > - //
> > - // Uninstall the protocol installed on this sock
> > - // in the light of Sock->SockType
> > - //
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - SockProtocol,
> > - NULL
> > - );
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockDestroyChild: Get the lock to "
> > - "access socket failed with %r\n", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - //
> > - // force protocol layer to detach the PCB
> > - //
> > - Status = Sock->ProtoHandler (Sock, SOCK_DETACH, NULL);
> > -
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockDestroyChild: Protocol detach socket"
> > - " failed with %r\n", Status));
> > -
> > - Sock->InDestroy = FALSE;
> > - } else if (SOCK_IS_CONFIGURED (Sock)) {
> > -
> > - SockConnFlush (Sock);
> > - SockSetState (Sock, SO_CLOSED);
> > -
> > - Sock->ConfigureState = SO_UNCONFIGURED;
> > - }
> > -
> > - EfiReleaseLock (&(Sock->Lock));
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - SockDestroy (Sock);
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Create a socket and its associated protocol control block
> > - with the intial data SockInitData and protocol specific
> > - data ProtoData.
> > -
> > - @param SockInitData Inital data to setting the socket.
> > -
> > - @return Pointer to the newly created socket. If NULL, error condition
> > occured.
> > -
> > -**/
> > -SOCKET *
> > -SockCreateChild (
> > - IN SOCK_INIT_DATA *SockInitData
> > - )
> > -{
> > - SOCKET *Sock;
> > - VOID *SockProtocol;
> > - EFI_STATUS Status;
> > -
> > - //
> > - // create a new socket
> > - //
> > - Sock = SockCreate (SockInitData);
> > - if (NULL == Sock) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockCreateChild: No resource to "
> > - "create a new socket\n"));
> > -
> > - return NULL;
> > - }
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockCreateChild: Get the lock to "
> > - "access socket failed with %r\n", Status));
> > -
> > - goto ERROR;
> > - }
> > - //
> > - // inform the protocol layer to attach the socket
> > - // with a new protocol control block
> > - //
> > - Status = Sock->ProtoHandler (Sock, SOCK_ATTACH, NULL);
> > - EfiReleaseLock (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockCreateChild: Protocol failed to"
> > - " attach a socket with %r\n", Status));
> > -
> > - goto ERROR;
> > - }
> > -
> > - return Sock;
> > -
> > -ERROR:
> > -
> > - if (Sock->DestroyCallback != NULL) {
> > - Sock->DestroyCallback (Sock, Sock->Context);
> > - }
> > -
> > - gBS->OpenProtocol (
> > - Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - &SockProtocol,
> > - Sock->DriverBinding,
> > - Sock->SockHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - //
> > - // Uninstall the protocol installed on this sock
> > - //
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - Sock->SockHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - SockProtocol,
> > - NULL
> > - );
> > - SockDestroy (Sock);
> > - return NULL;
> > -}
> > -
> > -
> > -/**
> > - Configure the specific socket Sock using configuration data
> ConfigData.
> > -
> > - @param Sock Pointer to the socket to be configured.
> > - @param ConfigData Pointer to the configuration data.
> > -
> > - @retval EFI_SUCCESS The socket is configured successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket or
> > the
> > - socket is already configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockConfigure (
> > - IN SOCKET *Sock,
> > - IN VOID *ConfigData
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockConfigure: Get the access for "
> > - "socket failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_CONFIGURED (Sock)) {
> > - Status = EFI_ACCESS_DENIED;
> > - goto OnExit;
> > - }
> > -
> > - ASSERT (Sock->State == SO_CLOSED);
> > -
> > - Status = Sock->ProtoHandler (Sock, SOCK_CONFIGURE, ConfigData);
> > -
> > -OnExit:
> > - EfiReleaseLock (&(Sock->Lock));
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Initiate a connection establishment process.
> > -
> > - @param Sock Pointer to the socket to initiate the
> initate the
> > - connection.
> > - @param Token Pointer to the token used for the
> connection
> > - operation.
> > -
> > - @retval EFI_SUCCESS The connection is initialized
> successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> configured to
> > - be an active one, or the token is
> already in one of
> > - this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockConnect (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_EVENT Event;
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockConnect: Get the access for "
> > - "socket failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > - Status = EFI_NO_MAPPING;
> > - goto OnExit;
> > - }
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > -
> > - Status = EFI_NOT_STARTED;
> > - goto OnExit;
> > - }
> > -
> > - if (!SOCK_IS_CLOSED (Sock) || !SOCK_IS_CONFIGURED_ACTIVE (Sock)) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto OnExit;
> > - }
> > -
> > - Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;
> > -
> > - if (SockTokenExisted (Sock, Event)) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto OnExit;
> > - }
> > -
> > - Sock->ConnectionToken = (SOCK_COMPLETION_TOKEN *) Token;
> > - SockSetState (Sock, SO_CONNECTING);
> > - Status = Sock->ProtoHandler (Sock, SOCK_CONNECT, NULL);
> > -
> > -OnExit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Issue a listen token to get an existed connected network instance
> > - or wait for a connection if there is none.
> > -
> > - @param Sock Pointer to the socket to accept
> connections.
> > - @param Token The token to accept a connection.
> > -
> > - @retval EFI_SUCCESS Either a connection is accpeted or the
> Token is
> > - buffered for further acception.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> configured to
> > - be a passive one, or the token is
> already in one of
> > - this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the Token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockAccept (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - )
> > -{
> > - EFI_TCP4_LISTEN_TOKEN *ListenToken;
> > - LIST_ENTRY *ListEntry;
> > - EFI_STATUS Status;
> > - SOCKET *Socket;
> > - EFI_EVENT Event;
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockAccept: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > - Status = EFI_NO_MAPPING;
> > - goto Exit;
> > - }
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > -
> > - Status = EFI_NOT_STARTED;
> > - goto Exit;
> > - }
> > -
> > - if (!SOCK_IS_LISTENING (Sock)) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;
> > -
> > - if (SockTokenExisted (Sock, Event)) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - ListenToken = (EFI_TCP4_LISTEN_TOKEN *) Token;
> > -
> > - //
> > - // Check if a connection has already in this Sock->ConnectionList
> > - //
> > - NET_LIST_FOR_EACH (ListEntry, &Sock->ConnectionList) {
> > -
> > - Socket = NET_LIST_USER_STRUCT (ListEntry, SOCKET, ConnectionList);
> > -
> > - if (SOCK_IS_CONNECTED (Socket)) {
> > - ListenToken->NewChildHandle = Socket->SockHandle;
> > - SIGNAL_TOKEN (&(ListenToken->CompletionToken), EFI_SUCCESS);
> > -
> > - RemoveEntryList (ListEntry);
> > -
> > - ASSERT (Socket->Parent != NULL);
> > -
> > - Socket->Parent->ConnCnt--;
> > -
> > - DEBUG (
> > - (EFI_D_NET,
> > - "SockAccept: Accept a socket, now conncount is %d",
> > - Socket->Parent->ConnCnt)
> > - );
> > - Socket->Parent = NULL;
> > -
> > - goto Exit;
> > - }
> > - }
> > -
> > - //
> > - // Buffer this token for latter incoming connection request
> > - //
> > - if (NULL == SockBufferToken (Sock, &(Sock->ListenTokenList), Token,
> 0)) {
> > -
> > - Status = EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Issue a token with data to the socket to send out.
> > -
> > - @param Sock Pointer to the socket to process the
> token with
> > - data.
> > - @param Token The token with data that needs to send
> out.
> > -
> > - @retval EFI_SUCCESS The token is processed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockSend (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - )
> > -{
> > - SOCK_IO_TOKEN *SndToken;
> > - EFI_EVENT Event;
> > - UINT32 FreeSpace;
> > - EFI_TCP4_TRANSMIT_DATA *TxData;
> > - EFI_STATUS Status;
> > - SOCK_TOKEN *SockToken;
> > - UINT32 DataLen;
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockSend: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > - Status = EFI_NO_MAPPING;
> > - goto Exit;
> > - }
> > -
> > - SndToken = (SOCK_IO_TOKEN *) Token;
> > - TxData = (EFI_TCP4_TRANSMIT_DATA *) SndToken->Packet.TxData;
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > - Status = EFI_NOT_STARTED;
> > - goto Exit;
> > - }
> > -
> > - if (!(SOCK_IS_CONNECTING (Sock) || SOCK_IS_CONNECTED (Sock))) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - //
> > - // check if a token is already in the token buffer
> > - //
> > - Event = SndToken->Token.Event;
> > -
> > - if (SockTokenExisted (Sock, Event)) {
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - DataLen = (UINT32) TxData->DataLength;
> > -
> > - //
> > - // process this sending token now or buffer it only?
> > - //
> > - FreeSpace = SockGetFreeSpace (Sock, SOCK_SND_BUF);
> > -
> > - if ((FreeSpace < Sock->SndBuffer.LowWater) || !SOCK_IS_CONNECTED
> > (Sock)) {
> > -
> > - SockToken = SockBufferToken (
> > - Sock,
> > - &Sock->SndTokenList,
> > - SndToken,
> > - DataLen
> > - );
> > -
> > - if (NULL == SockToken) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - }
> > - } else {
> > -
> > - SockToken = SockBufferToken (
> > - Sock,
> > - &Sock->ProcessingSndTokenList,
> > - SndToken,
> > - DataLen
> > - );
> > -
> > - if (NULL == SockToken) {
> > - DEBUG ((EFI_D_ERROR, "SockSend: Failed to buffer IO token into"
> > - " socket processing SndToken List\n", Status));
> > -
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto Exit;
> > - }
> > -
> > - Status = SockProcessTcpSndData (Sock, TxData);
> > -
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "SockSend: Failed to process "
> > - "Snd Data\n", Status));
> > -
> > - RemoveEntryList (&(SockToken->TokenList));
> > - FreePool (SockToken);
> > - }
> > - }
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Issue a token to get data from the socket.
> > -
> > - @param Sock Pointer to the socket to get data from.
> > - @param Token The token to store the received data
> from the
> > - socket.
> > -
> > - @retval EFI_SUCCESS The token is processed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_CONNECTION_FIN The connection is closed and there is no
> > more data.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockRcv (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - )
> > -{
> > - SOCK_IO_TOKEN *RcvToken;
> > - UINT32 RcvdBytes;
> > - EFI_STATUS Status;
> > - EFI_EVENT Event;
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockRcv: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > -
> > - Status = EFI_NO_MAPPING;
> > - goto Exit;
> > - }
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > -
> > - Status = EFI_NOT_STARTED;
> > - goto Exit;
> > - }
> > -
> > - if (!(SOCK_IS_CONNECTED (Sock) || SOCK_IS_CONNECTING (Sock))) {
> > -
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - RcvToken = (SOCK_IO_TOKEN *) Token;
> > -
> > - //
> > - // check if a token is already in the token buffer of this socket
> > - //
> > - Event = RcvToken->Token.Event;
> > - if (SockTokenExisted (Sock, Event)) {
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - RcvToken = (SOCK_IO_TOKEN *) Token;
> > - RcvdBytes = GET_RCV_DATASIZE (Sock);
> > -
> > - //
> > - // check whether an error has happened before
> > - //
> > - if (EFI_ABORTED != Sock->SockError) {
> > -
> > - SIGNAL_TOKEN (&(RcvToken->Token), Sock->SockError);
> > - Sock->SockError = EFI_ABORTED;
> > - goto Exit;
> > - }
> > -
> > - //
> > - // check whether can not receive and there is no any
> > - // data buffered in Sock->RcvBuffer
> > - //
> > - if (SOCK_IS_NO_MORE_DATA (Sock) && (0 == RcvdBytes)) {
> > -
> > - Status = EFI_CONNECTION_FIN;
> > - goto Exit;
> > - }
> > -
> > - if (RcvdBytes != 0) {
> > - SockProcessRcvToken (Sock, RcvToken);
> > -
> > - Status = Sock->ProtoHandler (Sock, SOCK_CONSUMED, NULL);
> > - } else {
> > -
> > - if (NULL == SockBufferToken (Sock, &Sock->RcvTokenList, RcvToken,
> 0)) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - }
> > - }
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Reset the socket and its associated protocol control block.
> > -
> > - @param Sock Pointer to the socket to be flushed.
> > -
> > - @retval EFI_SUCCESS The socket is flushed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > -
> > -**/
> > -EFI_STATUS
> > -SockFlush (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockFlush: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (!SOCK_IS_CONFIGURED (Sock)) {
> > - goto Exit;
> > - }
> > -
> > - Status = Sock->ProtoHandler (Sock, SOCK_FLUSH, NULL);
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "SockFlush: Protocol failed handling"
> > - " SOCK_FLUSH with %r", Status));
> > -
> > - goto Exit;
> > - }
> > -
> > - SOCK_ERROR (Sock, EFI_ABORTED);
> > - SockConnFlush (Sock);
> > - SockSetState (Sock, SO_CLOSED);
> > -
> > - Sock->ConfigureState = SO_UNCONFIGURED;
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Close or abort the socket associated connection.
> > -
> > - @param Sock Pointer to the socket of the connection
> to close or
> > - abort.
> > - @param Token The token for close operation.
> > - @param OnAbort TRUE for aborting the connection, FALSE
> to close it.
> > -
> > - @retval EFI_SUCCESS The close or abort operation is
> initialized
> > - successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockClose (
> > - IN SOCKET *Sock,
> > - IN VOID *Token,
> > - IN BOOLEAN OnAbort
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_EVENT Event;
> > -
> > - ASSERT (SockStream == Sock->Type);
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "SockClose: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > - Status = EFI_NO_MAPPING;
> > - goto Exit;
> > - }
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > - Status = EFI_NOT_STARTED;
> > - goto Exit;
> > - }
> > -
> > - if (SOCK_IS_DISCONNECTING (Sock)) {
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - Event = ((SOCK_COMPLETION_TOKEN *) Token)->Event;
> > -
> > - if (SockTokenExisted (Sock, Event)) {
> > - Status = EFI_ACCESS_DENIED;
> > - goto Exit;
> > - }
> > -
> > - Sock->CloseToken = Token;
> > - SockSetState (Sock, SO_DISCONNECTING);
> > -
> > - if (OnAbort) {
> > - Status = Sock->ProtoHandler (Sock, SOCK_ABORT, NULL);
> > - } else {
> > - Status = Sock->ProtoHandler (Sock, SOCK_CLOSE, NULL);
> > - }
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Get the mode data of the low layer protocol.
> > -
> > - @param Sock Pointer to the socket to get mode data
> from.
> > - @param Mode Pointer to the data to store the low
> layer mode
> > - information.
> > -
> > - @retval EFI_SUCCESS The mode data is got successfully.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockGetMode (
> > - IN SOCKET *Sock,
> > - IN OUT VOID *Mode
> > - )
> > -{
> > - return Sock->ProtoHandler (Sock, SOCK_MODE, Mode);
> > -}
> > -
> > -
> > -
> > -
> > -
> > -/**
> > - Add or remove route information in IP route table associated
> > - with this socket.
> > -
> > - @param Sock Pointer to the socket associated with
> the IP route
> > - table to operate on.
> > - @param RouteInfo Pointer to the route information to be
> processed.
> > -
> > - @retval EFI_SUCCESS The route table is updated successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockRoute (
> > - IN SOCKET *Sock,
> > - IN VOID *RouteInfo
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - Status = EfiAcquireLockOrFail (&(Sock->Lock));
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "SockRoute: Get the access for socket"
> > - " failed with %r", Status));
> > -
> > - return EFI_ACCESS_DENIED;
> > - }
> > -
> > - if (SOCK_IS_NO_MAPPING (Sock)) {
> > - Status = EFI_NO_MAPPING;
> > - goto Exit;
> > - }
> > -
> > - if (SOCK_IS_UNCONFIGURED (Sock)) {
> > - Status = EFI_NOT_STARTED;
> > - goto Exit;
> > - }
> > -
> > - Status = Sock->ProtoHandler (Sock, SOCK_ROUTE, RouteInfo);
> > -
> > -Exit:
> > - EfiReleaseLock (&(Sock->Lock));
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
> > deleted file mode 100644
> > index a0f97d603171..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
> > +++ /dev/null
> > @@ -1,717 +0,0 @@
> > -/** @file
> > - Tcp request dispatcher implementation.
> > -
> > -(C) Copyright 2014 Hewlett-Packard Development Company, L.P.<BR>
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -#define TCP_COMP_VAL(Min, Max, Default, Val) \
> > - ((((Val) <= (Max)) && ((Val) >= (Min))) ? (Val) : (Default))
> > -
> > -/**
> > - Add or remove a route entry in the IP route table associated with
> this TCP
> > instance.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param RouteInfo Pointer to the route info to be
> processed.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_NOT_STARTED The driver instance has not been
> started.
> > - @retval EFI_NO_MAPPING When using the default address,
> > configuration(DHCP,
> > - BOOTP, RARP, etc.) is not finished yet.
> > - @retval EFI_OUT_OF_RESOURCES Could not add the entry to the routing
> > table.
> > - @retval EFI_NOT_FOUND This route is not in the routing table
> > - (when RouteInfo->DeleteRoute is TRUE).
> > - @retval EFI_ACCESS_DENIED The route is already defined in the
> routing
> > table
> > - (when RouteInfo->DeleteRoute is FALSE).
> > -**/
> > -EFI_STATUS
> > -Tcp4Route (
> > - IN TCP_CB *Tcb,
> > - IN TCP4_ROUTE_INFO *RouteInfo
> > - )
> > -{
> > - EFI_IP4_PROTOCOL *Ip4;
> > -
> > - Ip4 = Tcb->IpInfo->Ip.Ip4;
> > -
> > - ASSERT (Ip4 != NULL);
> > -
> > - return Ip4->Routes (
> > - Ip4,
> > - RouteInfo->DeleteRoute,
> > - RouteInfo->SubnetAddress,
> > - RouteInfo->SubnetMask,
> > - RouteInfo->GatewayAddress
> > - );
> > -
> > -}
> > -
> > -
> > -/**
> > - Get the operational settings of this TCP instance.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param Mode Pointer to the buffer to store the
> operational
> > - settings.
> > -
> > - @retval EFI_SUCCESS The mode data is read.
> > - @retval EFI_NOT_STARTED No configuration data is available
> because
> > this
> > - instance hasn't been started.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4GetMode (
> > - IN TCP_CB *Tcb,
> > - IN OUT TCP4_MODE_DATA *Mode
> > - )
> > -{
> > - SOCKET *Sock;
> > - EFI_TCP4_CONFIG_DATA *ConfigData;
> > - EFI_TCP4_ACCESS_POINT *AccessPoint;
> > - EFI_TCP4_OPTION *Option;
> > - EFI_IP4_PROTOCOL *Ip;
> > -
> > - Sock = Tcb->Sk;
> > -
> > - if (!SOCK_IS_CONFIGURED (Sock) && (Mode->Tcp4ConfigData != NULL)) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (Mode->Tcp4State != NULL) {
> > - *(Mode->Tcp4State) = (EFI_TCP4_CONNECTION_STATE) Tcb->State;
> > - }
> > -
> > - if (Mode->Tcp4ConfigData != NULL) {
> > -
> > - ConfigData = Mode->Tcp4ConfigData;
> > - AccessPoint = &(ConfigData->AccessPoint);
> > - Option = ConfigData->ControlOption;
> > -
> > - ConfigData->TypeOfService = Tcb->Tos;
> > - ConfigData->TimeToLive = Tcb->Ttl;
> > -
> > - AccessPoint->UseDefaultAddress = Tcb->UseDefaultAddr;
> > -
> > - IP4_COPY_ADDRESS (&AccessPoint->StationAddress, &Tcb->LocalEnd.Ip);
> > - IP4_COPY_ADDRESS (&AccessPoint->SubnetMask, &Tcb->SubnetMask);
> > - AccessPoint->StationPort = NTOHS (Tcb->LocalEnd.Port);
> > -
> > - IP4_COPY_ADDRESS (&AccessPoint->RemoteAddress, &Tcb-
> > >RemoteEnd.Ip);
> > - AccessPoint->RemotePort = NTOHS (Tcb->RemoteEnd.Port);
> > - AccessPoint->ActiveFlag = (BOOLEAN) (Tcb->State !=
> TCP_LISTEN);
> > -
> > - if (Option != NULL) {
> > - Option->ReceiveBufferSize = GET_RCV_BUFFSIZE (Tcb->Sk);
> > - Option->SendBufferSize = GET_SND_BUFFSIZE (Tcb->Sk);
> > - Option->MaxSynBackLog = GET_BACKLOG (Tcb->Sk);
> > -
> > - Option->ConnectionTimeout = Tcb->ConnectTimeout /
> TCP_TICK_HZ;
> > - Option->DataRetries = Tcb->MaxRexmit;
> > - Option->FinTimeout = Tcb->FinWait2Timeout /
> TCP_TICK_HZ;
> > - Option->TimeWaitTimeout = Tcb->TimeWaitTimeout /
> TCP_TICK_HZ;
> > - Option->KeepAliveProbes = Tcb->MaxKeepAlive;
> > - Option->KeepAliveTime = Tcb->KeepAliveIdle /
> TCP_TICK_HZ;
> > - Option->KeepAliveInterval = Tcb->KeepAlivePeriod /
> TCP_TICK_HZ;
> > -
> > - Option->EnableNagle = (BOOLEAN) (!TCP_FLG_ON (Tcb-
> >CtrlFlag,
> > TCP_CTRL_NO_NAGLE));
> > - Option->EnableTimeStamp = (BOOLEAN) (!TCP_FLG_ON (Tcb-
> >CtrlFlag,
> > TCP_CTRL_NO_TS));
> > - Option->EnableWindowScaling = (BOOLEAN) (!TCP_FLG_ON (Tcb-
> > >CtrlFlag, TCP_CTRL_NO_WS));
> > -
> > - Option->EnableSelectiveAck = FALSE;
> > - Option->EnablePathMtuDiscovery = FALSE;
> > - }
> > - }
> > -
> > - Ip = Tcb->IpInfo->Ip.Ip4;
> > - ASSERT (Ip != NULL);
> > -
> > - return Ip->GetModeData (Ip, Mode->Ip4ModeData, Mode-
> > >MnpConfigData, Mode->SnpModeData);
> > -}
> > -
> > -
> > -/**
> > - If AP->StationPort isn't zero, check whether the access point
> > - is registered, else generate a random station port for this
> > - access point.
> > -
> > - @param AP Pointer to the access point.
> > -
> > - @retval EFI_SUCCESS The check is passed or the port is
> assigned.
> > - @retval EFI_INVALID_PARAMETER The non-zero station port is already
> > used.
> > - @retval EFI_OUT_OF_RESOURCES No port can be allocated.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4Bind (
> > - IN EFI_TCP4_ACCESS_POINT *AP
> > - )
> > -{
> > - BOOLEAN Cycle;
> > -
> > - if (0 != AP->StationPort) {
> > - //
> > - // check if a same endpoint is bound
> > - //
> > - if (TcpFindTcbByPeer (&AP->StationAddress, AP->StationPort)) {
> > -
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - } else {
> > - //
> > - // generate a random port
> > - //
> > - Cycle = FALSE;
> > -
> > - if (TCP4_PORT_USER_RESERVED == mTcp4RandomPort) {
> > - mTcp4RandomPort = TCP4_PORT_KNOWN;
> > - }
> > -
> > - mTcp4RandomPort++;
> > -
> > - while (TcpFindTcbByPeer (&AP->StationAddress, mTcp4RandomPort)) {
> > -
> > - mTcp4RandomPort++;
> > -
> > - if (mTcp4RandomPort <= TCP4_PORT_KNOWN) {
> > -
> > - if (Cycle) {
> > - DEBUG ((EFI_D_ERROR, "Tcp4Bind: no port can be allocated "
> > - "for this pcb\n"));
> > -
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - mTcp4RandomPort = TCP4_PORT_KNOWN + 1;
> > -
> > - Cycle = TRUE;
> > - }
> > -
> > - }
> > -
> > - AP->StationPort = mTcp4RandomPort;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Flush the Tcb add its associated protocols.
> > -
> > - @param Tcb Pointer to the TCP_CB to be flushed.
> > -
> > -**/
> > -VOID
> > -Tcp4FlushPcb (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - SOCKET *Sock;
> > -
> > - IpIoConfigIp (Tcb->IpInfo, NULL);
> > -
> > - Sock = Tcb->Sk;
> > -
> > - if (SOCK_IS_CONFIGURED (Sock)) {
> > - RemoveEntryList (&Tcb->List);
> > -
> > - //
> > - // Uninstall the device path protocol.
> > - //
> > - if (Sock->DevicePath != NULL) {
> > - gBS->UninstallProtocolInterface (
> > - Sock->SockHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - Sock->DevicePath
> > - );
> > - FreePool (Sock->DevicePath);
> > - }
> > - }
> > -
> > - NetbufFreeList (&Tcb->SndQue);
> > - NetbufFreeList (&Tcb->RcvQue);
> > - Tcb->State = TCP_CLOSED;
> > -}
> > -
> > -/**
> > - Attach a Pcb to the socket.
> > -
> > - @param Sk Pointer to the socket of this TCP
> instance.
> > -
> > - @retval EFI_SUCCESS The operation is completed
> successfully.
> > - @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4AttachPcb (
> > - IN SOCKET *Sk
> > - )
> > -{
> > - TCP_CB *Tcb;
> > - TCP4_PROTO_DATA *ProtoData;
> > - IP_IO *IpIo;
> > - EFI_STATUS Status;
> > - VOID *Ip;
> > -
> > - Tcb = AllocateZeroPool (sizeof (TCP_CB));
> > -
> > - if (Tcb == NULL) {
> > -
> > - DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: failed to allocate a
> TCB\n"));
> > -
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;
> > - IpIo = ProtoData->TcpService->IpIo;
> > -
> > - //
> > - // Create an IpInfo for this Tcb.
> > - //
> > - Tcb->IpInfo = IpIoAddIp (IpIo);
> > - if (Tcb->IpInfo == NULL) {
> > -
> > - FreePool (Tcb);
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - //
> > - // Open the new created IP instance BY_CHILD.
> > - //
> > - Status = gBS->OpenProtocol (
> > - Tcb->IpInfo->ChildHandle,
> > - &gEfiIp4ProtocolGuid,
> > - &Ip,
> > - IpIo->Image,
> > - Sk->SockHandle,
> > - EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - IpIoRemoveIp (IpIo, Tcb->IpInfo);
> > - return Status;
> > - }
> > -
> > - InitializeListHead (&Tcb->List);
> > - InitializeListHead (&Tcb->SndQue);
> > - InitializeListHead (&Tcb->RcvQue);
> > -
> > - Tcb->State = TCP_CLOSED;
> > - Tcb->Sk = Sk;
> > - ProtoData->TcpPcb = Tcb;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Detach the Pcb of the socket.
> > -
> > - @param Sk Pointer to the socket of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -Tcp4DetachPcb (
> > - IN SOCKET *Sk
> > - )
> > -{
> > - TCP4_PROTO_DATA *ProtoData;
> > - TCP_CB *Tcb;
> > -
> > - ProtoData = (TCP4_PROTO_DATA *) Sk->ProtoReserved;
> > - Tcb = ProtoData->TcpPcb;
> > -
> > - ASSERT (Tcb != NULL);
> > -
> > - Tcp4FlushPcb (Tcb);
> > -
> > - IpIoRemoveIp (ProtoData->TcpService->IpIo, Tcb->IpInfo);
> > -
> > - FreePool (Tcb);
> > -
> > - ProtoData->TcpPcb = NULL;
> > -}
> > -
> > -
> > -/**
> > - Configure the Pcb using CfgData.
> > -
> > - @param Sk Pointer to the socket of this TCP
> instance.
> > - @param CfgData Pointer to the TCP configuration data.
> > -
> > - @retval EFI_SUCCESS The operation is completed
> successfully.
> > - @retval EFI_INVALID_PARAMETER A same access point has been
> > configured in
> > - another TCP instance.
> > - @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4ConfigurePcb (
> > - IN SOCKET *Sk,
> > - IN EFI_TCP4_CONFIG_DATA *CfgData
> > - )
> > -{
> > - EFI_IP4_CONFIG_DATA IpCfgData;
> > - EFI_STATUS Status;
> > - EFI_TCP4_OPTION *Option;
> > - TCP4_PROTO_DATA *TcpProto;
> > - TCP_CB *Tcb;
> > -
> > - ASSERT ((CfgData != NULL) && (Sk != NULL) && (Sk->SockHandle !=
> NULL));
> > -
> > - TcpProto = (TCP4_PROTO_DATA *) Sk->ProtoReserved;
> > - Tcb = TcpProto->TcpPcb;
> > -
> > - ASSERT (Tcb != NULL);
> > -
> > - //
> > - // Add Ip for send pkt to the peer
> > - //
> > - CopyMem (&IpCfgData, &mIp4IoDefaultIpConfigData, sizeof (IpCfgData));
> > - IpCfgData.DefaultProtocol = EFI_IP_PROTO_TCP;
> > - IpCfgData.UseDefaultAddress = CfgData->AccessPoint.UseDefaultAddress;
> > - IpCfgData.StationAddress = CfgData->AccessPoint.StationAddress;
> > - IpCfgData.SubnetMask = CfgData->AccessPoint.SubnetMask;
> > - IpCfgData.ReceiveTimeout = (UINT32) (-1);
> > -
> > - //
> > - // Configure the IP instance this Tcb consumes.
> > - //
> > - Status = IpIoConfigIp (Tcb->IpInfo, &IpCfgData);
> > - if (EFI_ERROR (Status)) {
> > - goto OnExit;
> > - }
> > -
> > - //
> > - // Get the default address info if the instance is configured to use
> default
> > address.
> > - //
> > - if (CfgData->AccessPoint.UseDefaultAddress) {
> > - CfgData->AccessPoint.StationAddress = IpCfgData.StationAddress;
> > - CfgData->AccessPoint.SubnetMask = IpCfgData.SubnetMask;
> > - }
> > -
> > - //
> > - // check if we can bind this endpoint in CfgData
> > - //
> > - Status = Tcp4Bind (&(CfgData->AccessPoint));
> > -
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "Tcp4ConfigurePcb: Bind endpoint failed "
> > - "with %r\n", Status));
> > -
> > - goto OnExit;
> > - }
> > -
> > - //
> > - // Initalize the operating information in this Tcb
> > - //
> > - ASSERT (Tcb->State == TCP_CLOSED &&
> > - IsListEmpty (&Tcb->SndQue) &&
> > - IsListEmpty (&Tcb->RcvQue));
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);
> > - Tcb->State = TCP_CLOSED;
> > -
> > - Tcb->SndMss = 536;
> > - Tcb->RcvMss = TcpGetRcvMss (Sk);
> > -
> > - Tcb->SRtt = 0;
> > - Tcb->Rto = 3 * TCP_TICK_HZ;
> > -
> > - Tcb->CWnd = Tcb->SndMss;
> > - Tcb->Ssthresh = 0xffffffff;
> > -
> > - Tcb->CongestState = TCP_CONGEST_OPEN;
> > -
> > - Tcb->KeepAliveIdle = TCP_KEEPALIVE_IDLE_MIN;
> > - Tcb->KeepAlivePeriod = TCP_KEEPALIVE_PERIOD;
> > - Tcb->MaxKeepAlive = TCP_MAX_KEEPALIVE;
> > - Tcb->MaxRexmit = TCP_MAX_LOSS;
> > - Tcb->FinWait2Timeout = TCP_FIN_WAIT2_TIME;
> > - Tcb->TimeWaitTimeout = TCP_TIME_WAIT_TIME;
> > - Tcb->ConnectTimeout = TCP_CONNECT_TIME;
> > -
> > - //
> > - // initialize Tcb in the light of CfgData
> > - //
> > - Tcb->Ttl = CfgData->TimeToLive;
> > - Tcb->Tos = CfgData->TypeOfService;
> > -
> > - Tcb->UseDefaultAddr = CfgData->AccessPoint.UseDefaultAddress;
> > -
> > - CopyMem (&Tcb->LocalEnd.Ip, &CfgData->AccessPoint.StationAddress,
> > sizeof (IP4_ADDR));
> > - Tcb->LocalEnd.Port = HTONS (CfgData->AccessPoint.StationPort);
> > - IP4_COPY_ADDRESS (&Tcb->SubnetMask, &CfgData-
> > >AccessPoint.SubnetMask);
> > -
> > - if (CfgData->AccessPoint.ActiveFlag) {
> > - CopyMem (&Tcb->RemoteEnd.Ip, &CfgData-
> > >AccessPoint.RemoteAddress, sizeof (IP4_ADDR));
> > - Tcb->RemoteEnd.Port = HTONS (CfgData->AccessPoint.RemotePort);
> > - } else {
> > - Tcb->RemoteEnd.Ip = 0;
> > - Tcb->RemoteEnd.Port = 0;
> > - }
> > -
> > - Option = CfgData->ControlOption;
> > -
> > - if (Option != NULL) {
> > - SET_RCV_BUFFSIZE (
> > - Sk,
> > - (UINT32) (TCP_COMP_VAL (
> > - TCP_RCV_BUF_SIZE_MIN,
> > - TCP_RCV_BUF_SIZE,
> > - TCP_RCV_BUF_SIZE,
> > - Option->ReceiveBufferSize
> > - )
> > - )
> > - );
> > - SET_SND_BUFFSIZE (
> > - Sk,
> > - (UINT32) (TCP_COMP_VAL (
> > - TCP_SND_BUF_SIZE_MIN,
> > - TCP_SND_BUF_SIZE,
> > - TCP_SND_BUF_SIZE,
> > - Option->SendBufferSize
> > - )
> > - )
> > - );
> > -
> > - SET_BACKLOG (
> > - Sk,
> > - (UINT32) (TCP_COMP_VAL (
> > - TCP_BACKLOG_MIN,
> > - TCP_BACKLOG,
> > - TCP_BACKLOG,
> > - Option->MaxSynBackLog
> > - )
> > - )
> > - );
> > -
> > - Tcb->MaxRexmit = (UINT16) TCP_COMP_VAL (
> > - TCP_MAX_LOSS_MIN,
> > - TCP_MAX_LOSS,
> > - TCP_MAX_LOSS,
> > - Option->DataRetries
> > - );
> > - Tcb->FinWait2Timeout = TCP_COMP_VAL (
> > - TCP_FIN_WAIT2_TIME,
> > - TCP_FIN_WAIT2_TIME_MAX,
> > - TCP_FIN_WAIT2_TIME,
> > - (UINT32) (Option->FinTimeout *
> TCP_TICK_HZ)
> > - );
> > -
> > - if (Option->TimeWaitTimeout != 0) {
> > - Tcb->TimeWaitTimeout = TCP_COMP_VAL (
> > - TCP_TIME_WAIT_TIME,
> > - TCP_TIME_WAIT_TIME_MAX,
> > - TCP_TIME_WAIT_TIME,
> > - (UINT32) (Option->TimeWaitTimeout *
> TCP_TICK_HZ)
> > - );
> > - } else {
> > - Tcb->TimeWaitTimeout = 0;
> > - }
> > -
> > - if (Option->KeepAliveProbes != 0) {
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE);
> > -
> > - Tcb->MaxKeepAlive = (UINT8) TCP_COMP_VAL (
> > - TCP_MAX_KEEPALIVE_MIN,
> > - TCP_MAX_KEEPALIVE,
> > - TCP_MAX_KEEPALIVE,
> > - Option->KeepAliveProbes
> > - );
> > - Tcb->KeepAliveIdle = TCP_COMP_VAL (
> > - TCP_KEEPALIVE_IDLE_MIN,
> > - TCP_KEEPALIVE_IDLE_MAX,
> > - TCP_KEEPALIVE_IDLE_MIN,
> > - (UINT32) (Option->KeepAliveTime *
> TCP_TICK_HZ)
> > - );
> > - Tcb->KeepAlivePeriod = TCP_COMP_VAL (
> > - TCP_KEEPALIVE_PERIOD_MIN,
> > - TCP_KEEPALIVE_PERIOD,
> > - TCP_KEEPALIVE_PERIOD,
> > - (UINT32) (Option->KeepAliveInterval *
> TCP_TICK_HZ)
> > - );
> > - }
> > -
> > - Tcb->ConnectTimeout = TCP_COMP_VAL (
> > - TCP_CONNECT_TIME_MIN,
> > - TCP_CONNECT_TIME,
> > - TCP_CONNECT_TIME,
> > - (UINT32) (Option->ConnectionTimeout *
> TCP_TICK_HZ)
> > - );
> > -
> > - if (!Option->EnableNagle) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE);
> > - }
> > -
> > - if (!Option->EnableTimeStamp) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_TS);
> > - }
> > -
> > - if (!Option->EnableWindowScaling) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_NO_WS);
> > - }
> > - }
> > -
> > - //
> > - // The socket is bound, the <SrcIp, SrcPort, DstIp, DstPort> is
> > - // determined, construct the IP device path and install it.
> > - //
> > - Status = TcpInstallDevicePath (Sk);
> > - if (EFI_ERROR (Status)) {
> > - goto OnExit;
> > - }
> > -
> > - //
> > - // update state of Tcb and socket
> > - //
> > - if (!CfgData->AccessPoint.ActiveFlag) {
> > -
> > - TcpSetState (Tcb, TCP_LISTEN);
> > - SockSetState (Sk, SO_LISTENING);
> > -
> > - Sk->ConfigureState = SO_CONFIGURED_PASSIVE;
> > - } else {
> > -
> > - Sk->ConfigureState = SO_CONFIGURED_ACTIVE;
> > - }
> > -
> > - TcpInsertTcb (Tcb);
> > -
> > -OnExit:
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - The procotol handler provided to the socket layer, used to
> > - dispatch the socket level requests by calling the corresponding
> > - TCP layer functions.
> > -
> > - @param Sock Pointer to the socket of this TCP
> instance.
> > - @param Request The code of this operation request.
> > - @param Data Pointer to the operation specific data
> passed in
> > - together with the operation request.
> > -
> > - @retval EFI_SUCCESS The socket request is completed
> successfully.
> > - @retval other The error status returned by the
> corresponding TCP
> > - layer function.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4Dispatcher (
> > - IN SOCKET *Sock,
> > - IN UINT8 Request,
> > - IN VOID *Data OPTIONAL
> > - )
> > -{
> > - TCP_CB *Tcb;
> > - TCP4_PROTO_DATA *ProtoData;
> > - EFI_IP4_PROTOCOL *Ip;
> > -
> > - ProtoData = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
> > - Tcb = ProtoData->TcpPcb;
> > -
> > - switch (Request) {
> > - case SOCK_POLL:
> > - Ip = ProtoData->TcpService->IpIo->Ip.Ip4;
> > - Ip->Poll (Ip);
> > - break;
> > -
> > - case SOCK_CONSUMED:
> > - //
> > - // After user received data from socket buffer, socket will
> > - // notify TCP using this message to give it a chance to send out
> > - // window update information
> > - //
> > - ASSERT (Tcb != NULL);
> > - TcpOnAppConsume (Tcb);
> > - break;
> > -
> > - case SOCK_SND:
> > -
> > - ASSERT (Tcb != NULL);
> > - TcpOnAppSend (Tcb);
> > - break;
> > -
> > - case SOCK_CLOSE:
> > -
> > - TcpOnAppClose (Tcb);
> > -
> > - break;
> > -
> > - case SOCK_ABORT:
> > -
> > - TcpOnAppAbort (Tcb);
> > -
> > - break;
> > -
> > - case SOCK_SNDPUSH:
> > - Tcb->SndPsh = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk);
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);
> > -
> > - break;
> > -
> > - case SOCK_SNDURG:
> > - Tcb->SndUp = TcpGetMaxSndNxt (Tcb) + GET_SND_DATASIZE (Tcb->Sk) -
> > 1;
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);
> > -
> > - break;
> > -
> > - case SOCK_CONNECT:
> > -
> > - TcpOnAppConnect (Tcb);
> > -
> > - break;
> > -
> > - case SOCK_ATTACH:
> > -
> > - return Tcp4AttachPcb (Sock);
> > -
> > - case SOCK_FLUSH:
> > -
> > - Tcp4FlushPcb (Tcb);
> > -
> > - break;
> > -
> > - case SOCK_DETACH:
> > -
> > - Tcp4DetachPcb (Sock);
> > -
> > - break;
> > -
> > - case SOCK_CONFIGURE:
> > -
> > - return Tcp4ConfigurePcb (
> > - Sock,
> > - (EFI_TCP4_CONFIG_DATA *) Data
> > - );
> > -
> > - case SOCK_MODE:
> > -
> > - ASSERT ((Data != NULL) && (Tcb != NULL));
> > -
> > - return Tcp4GetMode (Tcb, (TCP4_MODE_DATA *) Data);
> > -
> > - case SOCK_ROUTE:
> > -
> > - ASSERT ((Data != NULL) && (Tcb != NULL));
> > -
> > - return Tcp4Route (Tcb, (TCP4_ROUTE_INFO *) Data);
> > -
> > - default:
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
> > deleted file mode 100644
> > index 2ff8eee8693b..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.c
> > +++ /dev/null
> > @@ -1,782 +0,0 @@
> > -/** @file
> > - Tcp driver function.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -
> > -UINT16 mTcp4RandomPort;
> > -extern EFI_COMPONENT_NAME_PROTOCOL gTcp4ComponentName;
> > -extern EFI_COMPONENT_NAME2_PROTOCOL gTcp4ComponentName2;
> > -extern EFI_UNICODE_STRING_TABLE *gTcpControllerNameTable;
> > -
> > -TCP4_HEARTBEAT_TIMER mTcp4Timer = {
> > - NULL,
> > - 0
> > -};
> > -
> > -EFI_TCP4_PROTOCOL mTcp4ProtocolTemplate = {
> > - Tcp4GetModeData,
> > - Tcp4Configure,
> > - Tcp4Routes,
> > - Tcp4Connect,
> > - Tcp4Accept,
> > - Tcp4Transmit,
> > - Tcp4Receive,
> > - Tcp4Close,
> > - Tcp4Cancel,
> > - Tcp4Poll
> > -};
> > -
> > -SOCK_INIT_DATA mTcp4DefaultSockData = {
> > - SockStream,
> > - 0,
> > - NULL,
> > - TCP_BACKLOG,
> > - TCP_SND_BUF_SIZE,
> > - TCP_RCV_BUF_SIZE,
> > - &mTcp4ProtocolTemplate,
> > - Tcp4CreateSocketCallback,
> > - Tcp4DestroySocketCallback,
> > - NULL,
> > - NULL,
> > - 0,
> > - Tcp4Dispatcher,
> > - NULL,
> > -};
> > -
> > -EFI_DRIVER_BINDING_PROTOCOL mTcp4DriverBinding = {
> > - Tcp4DriverBindingSupported,
> > - Tcp4DriverBindingStart,
> > - Tcp4DriverBindingStop,
> > - 0xa,
> > - NULL,
> > - NULL
> > -};
> > -
> > -EFI_SERVICE_BINDING_PROTOCOL mTcp4ServiceBinding = {
> > - Tcp4ServiceBindingCreateChild,
> > - Tcp4ServiceBindingDestroyChild
> > -};
> > -
> > -
> > -/**
> > - Create and start the heartbeat timer for TCP driver.
> > -
> > - @retval EFI_SUCCESS The timer is successfully created and
> started.
> > - @retval other The timer is not created.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4CreateTimer (
> > - VOID
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - if (mTcp4Timer.RefCnt == 0) {
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_TIMER | EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - TcpTicking,
> > - NULL,
> > - &mTcp4Timer.TimerEvent
> > - );
> > - if (!EFI_ERROR (Status)) {
> > -
> > - Status = gBS->SetTimer (
> > - mTcp4Timer.TimerEvent,
> > - TimerPeriodic,
> > - (UINT64) (TICKS_PER_SECOND / TCP_TICK_HZ)
> > - );
> > - }
> > - }
> > -
> > - if (!EFI_ERROR (Status)) {
> > -
> > - mTcp4Timer.RefCnt++;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Stop and destroy the heartbeat timer for TCP driver.
> > -
> > -**/
> > -VOID
> > -Tcp4DestroyTimer (
> > - VOID
> > - )
> > -{
> > - ASSERT (mTcp4Timer.RefCnt > 0);
> > -
> > - mTcp4Timer.RefCnt--;
> > -
> > - if (mTcp4Timer.RefCnt > 0) {
> > - return;
> > - }
> > -
> > - gBS->SetTimer (mTcp4Timer.TimerEvent, TimerCancel, 0);
> > - gBS->CloseEvent (mTcp4Timer.TimerEvent);
> > - mTcp4Timer.TimerEvent = NULL;
> > -}
> > -
> > -/**
> > - Callback function which provided by user to remove one node in
> > NetDestroyLinkList process.
> > -
> > - @param[in] Entry The entry to be removed.
> > - @param[in] Context Pointer to the callback context
> corresponds to
> > the Context in NetDestroyLinkList.
> > -
> > - @retval EFI_SUCCESS The entry has been removed successfully.
> > - @retval Others Fail to remove the entry.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DestroyChildEntryInHandleBuffer (
> > - IN LIST_ENTRY *Entry,
> > - IN VOID *Context
> > - )
> > -{
> > - SOCKET *Sock;
> > - EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
> > - UINTN NumberOfChildren;
> > - EFI_HANDLE *ChildHandleBuffer;
> > -
> > - if (Entry == NULL || Context == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = NET_LIST_USER_STRUCT_S (Entry, SOCKET, Link, SOCK_SIGNATURE);
> > - ServiceBinding = ((TCP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT *)
> > Context)->ServiceBinding;
> > - NumberOfChildren = ((TCP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT
> > *) Context)->NumberOfChildren;
> > - ChildHandleBuffer = ((TCP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT
> > *) Context)->ChildHandleBuffer;
> > -
> > - if (!NetIsInHandleBuffer (Sock->SockHandle, NumberOfChildren,
> > ChildHandleBuffer)) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - return ServiceBinding->DestroyChild (ServiceBinding, Sock-
> >SockHandle);
> > -}
> > -
> > -/**
> > - The entry point for Tcp4 driver, used to install Tcp4 driver on the
> > ImageHandle.
> > -
> > - @param ImageHandle The firmware allocated handle for this
> > - driver image.
> > - @param SystemTable Pointer to the EFI system table.
> > -
> > - @retval EFI_SUCCESS Driver loaded.
> > - @retval other Driver not loaded.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverEntryPoint (
> > - IN EFI_HANDLE ImageHandle,
> > - IN EFI_SYSTEM_TABLE *SystemTable
> > - )
> > -{
> > - EFI_STATUS Status;
> > - UINT32 Seed;
> > -
> > - //
> > - // Install the TCP4 Driver Binding Protocol
> > - //
> > - Status = EfiLibInstallDriverBindingComponentName2 (
> > - ImageHandle,
> > - SystemTable,
> > - &mTcp4DriverBinding,
> > - ImageHandle,
> > - &gTcp4ComponentName,
> > - &gTcp4ComponentName2
> > - );
> > - ASSERT_EFI_ERROR (Status);
> > - //
> > - // Initialize ISS and random port.
> > - //
> > - Seed = NetRandomInitSeed ();
> > - mTcpGlobalIss = NET_RANDOM (Seed) % mTcpGlobalIss;
> > - mTcp4RandomPort = (UINT16) (TCP4_PORT_KNOWN +
> > - (UINT16) (NET_RANDOM(Seed) % TCP4_PORT_KNOWN));
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Tests to see if this driver supports a given controller.
> > -
> > - If a child device is provided, it further tests to see if this driver
> supports
> > - creating a handle for the specified child device.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle The handle of the controller to test.
> This
> > handle
> > - must support a protocol interface that
> supplies
> > - an I/O abstraction to the driver.
> > - @param RemainingDevicePath A pointer to the remaining portion of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > -
> > - @retval EFI_SUCCESS The device specified by ControllerHandle
> and
> > - RemainingDevicePath is supported by the
> driver
> > - specified by This.
> > - @retval EFI_ALREADY_STARTED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by
> > - the driver specified by This.
> > - @retval EFI_ACCESS_DENIED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by a
> > - different driver or an application that
> requires
> > - exclusive access.
> > - @retval EFI_UNSUPPORTED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is not supported by
> the driver
> > - specified by This.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_STATUS Status;
> > -
> > - //
> > - // Test for the Tcp4ServiceBinding Protocol
> > - //
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - return EFI_ALREADY_STARTED;
> > - }
> > -
> > - //
> > - // Test for the Ip4 Protocol
> > - //
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiIp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Start this driver on ControllerHandle.
> > -
> > - The Start() function is designed to be invoked from the EFI boot
> service
> > - ConnectController(). As a result, much of the error checking on the
> > parameters
> > - to Start() has been moved into this common boot service. It is legal
> to call
> > - Start() from other locations, but the following calling restrictions
> must be
> > - followed or the system behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE.
> > - 2. If RemainingDevicePath is not NULL, then it must be a pointer to a
> > naturally
> > - aligned EFI_DEVICE_PATH_PROTOCOL.
> > - 3. Prior to calling Start(), the Supported() function for the driver
> specified
> > - by This must have been called with the same calling parameters,
> and
> > Supported()
> > - must have returned EFI_SUCCESS.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle The handle of the controller to start.
> This
> > handle
> > - must support a protocol interface that
> supplies
> > - an I/O abstraction to the driver.
> > - @param RemainingDevicePath A pointer to the remaining portion of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is
> > - optional for bus drivers.
> > -
> > - @retval EFI_SUCCESS The device was started.
> > - @retval EFI_ALREADY_STARTED The device could not be started due to a
> > device error.
> > - @retval EFI_OUT_OF_RESOURCES The request could not be completed
> > due to a lack
> > - of resources.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_STATUS Status;
> > - TCP4_SERVICE_DATA *TcpServiceData;
> > - IP_IO_OPEN_DATA OpenData;
> > -
> > - TcpServiceData = AllocateZeroPool (sizeof (TCP4_SERVICE_DATA));
> > -
> > - if (NULL == TcpServiceData) {
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"
> > - " resource to create a Tcp Servcie Data\n"));
> > -
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - //
> > - // Create a new IP IO to Consume it
> > - //
> > - TcpServiceData->IpIo = IpIoCreate (
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - IP_VERSION_4
> > - );
> > - if (NULL == TcpServiceData->IpIo) {
> > -
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Have no enough"
> > - " resource to create an Ip Io\n"));
> > -
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Configure and start IpIo.
> > - //
> > - ZeroMem (&OpenData, sizeof (IP_IO_OPEN_DATA));
> > -
> > - CopyMem (
> > - &OpenData.IpConfigData.Ip4CfgData,
> > - &mIp4IoDefaultIpConfigData,
> > - sizeof (EFI_IP4_CONFIG_DATA)
> > - );
> > -
> > - OpenData.IpConfigData.Ip4CfgData.DefaultProtocol = EFI_IP_PROTO_TCP;
> > -
> > - OpenData.PktRcvdNotify = Tcp4RxCallback;
> > - Status = IpIoOpen (TcpServiceData->IpIo, &OpenData);
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Create the timer event used by TCP driver
> > - //
> > - Status = Tcp4CreateTimer ();
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Create TcpTimer"
> > - " Event failed with %r\n", Status));
> > -
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Install the Tcp4ServiceBinding Protocol on the
> > - // controller handle
> > - //
> > - TcpServiceData->Tcp4ServiceBinding = mTcp4ServiceBinding;
> > -
> > - Status = gBS->InstallMultipleProtocolInterfaces (
> > - &ControllerHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - &TcpServiceData->Tcp4ServiceBinding,
> > - NULL
> > - );
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStart: Install Tcp4 Service
> > Binding"
> > - " Protocol failed for %r\n", Status));
> > -
> > - Tcp4DestroyTimer ();
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Initialize member in TcpServiceData
> > - //
> > - TcpServiceData->ControllerHandle = ControllerHandle;
> > - TcpServiceData->Signature = TCP4_DRIVER_SIGNATURE;
> > - TcpServiceData->DriverBindingHandle = This->DriverBindingHandle;
> > -
> > - InitializeListHead (&TcpServiceData->SocketList);
> > -
> > - return EFI_SUCCESS;
> > -
> > -ON_ERROR:
> > -
> > - if (TcpServiceData->IpIo != NULL) {
> > - IpIoDestroy (TcpServiceData->IpIo);
> > - TcpServiceData->IpIo = NULL;
> > - }
> > -
> > - FreePool (TcpServiceData);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Stop this driver on ControllerHandle.
> > -
> > - The Stop() function is designed to be invoked from the EFI boot
> service
> > - DisconnectController(). As a result, much of the error checking on
> the
> > parameters
> > - to Stop() has been moved into this common boot service. It is legal
> to call
> > Stop()
> > - from other locations, but the following calling restrictions must be
> followed
> > - or the system behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE that was used on a
> > previous call
> > - to this same driver's Start() function.
> > - 2. The first NumberOfChildren handles of ChildHandleBuffer must all
> be a
> > valid
> > - EFI_HANDLE. In addition, all of these handles must have been
> created in
> > this
> > - driver's Start() function, and the Start() function must have
> called
> > OpenProtocol()
> > - on ControllerHandle with an Attribute of
> > EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle A handle to the device being stopped. The
> > handle must
> > - support a bus specific I/O protocol for the
> driver
> > - to use to stop the device.
> > - @param NumberOfChildren The number of child device handles in
> > ChildHandleBuffer.
> > - @param ChildHandleBuffer An array of child handles to be freed. May
> be
> > NULL if
> > - NumberOfChildren is 0.
> > -
> > - @retval EFI_SUCCESS The device was stopped.
> > - @retval EFI_DEVICE_ERROR The device could not be stopped due to a
> > device error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_HANDLE NicHandle;
> > - EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
> > - TCP4_SERVICE_DATA *TcpServiceData;
> > - LIST_ENTRY *List;
> > - TCP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT Context;
> > -
> > - // Find the NicHandle where Tcp4 ServiceBinding Protocol is installed.
> > - //
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> &gEfiIp4ProtocolGuid);
> > - if (NicHandle == NULL) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - //
> > - // Retrieve the TCP driver Data Structure
> > - //
> > - Status = gBS->OpenProtocol (
> > - NicHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - (VOID **) &ServiceBinding,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingStop: Locate Tcp4 Service "
> > - " Binding Protocol failed with %r\n", Status));
> > -
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - TcpServiceData = TCP4_FROM_THIS (ServiceBinding);
> > -
> > - if (NumberOfChildren != 0) {
> > - List = &TcpServiceData->SocketList;
> > - Context.ServiceBinding = ServiceBinding;
> > - Context.NumberOfChildren = NumberOfChildren;
> > - Context.ChildHandleBuffer = ChildHandleBuffer;
> > - Status = NetDestroyLinkList (
> > - List,
> > - Tcp4DestroyChildEntryInHandleBuffer,
> > - &Context,
> > - NULL
> > - );
> > - } else if (IsListEmpty (&TcpServiceData->SocketList)) {
> > - //
> > - // Uninstall TCP servicebinding protocol
> > - //
> > - gBS->UninstallMultipleProtocolInterfaces (
> > - NicHandle,
> > - &gEfiTcp4ServiceBindingProtocolGuid,
> > - ServiceBinding,
> > - NULL
> > - );
> > -
> > - //
> > - // Destroy the IpIO consumed by TCP driver
> > - //
> > - IpIoDestroy (TcpServiceData->IpIo);
> > - TcpServiceData->IpIo = NULL;
> > -
> > - //
> > - // Destroy the heartbeat timer.
> > - //
> > - Tcp4DestroyTimer ();
> > -
> > - if (gTcpControllerNameTable != NULL) {
> > - FreeUnicodeStringTable (gTcpControllerNameTable);
> > - gTcpControllerNameTable = NULL;
> > - }
> > -
> > - //
> > - // Release the TCP service data
> > - //
> > - FreePool (TcpServiceData);
> > -
> > - Status = EFI_SUCCESS;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Open Ip4 and device path protocols for a created socket, and insert
> it in
> > - socket list.
> > -
> > - @param This Pointer to the socket just created
> > - @param Context Context of the socket
> > -
> > - @retval EFI_SUCCESS This protocol is installed successfully.
> > - @retval other Some error occured.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4CreateSocketCallback (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - )
> > -{
> > - EFI_STATUS Status;
> > - TCP4_SERVICE_DATA *TcpServiceData;
> > - EFI_IP4_PROTOCOL *Ip4;
> > -
> > - TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)-
> > >TcpService;
> > -
> > - //
> > - // Open the default Ip4 protocol of IP_IO BY_DRIVER.
> > - //
> > - Status = gBS->OpenProtocol (
> > - TcpServiceData->IpIo->ChildHandle,
> > - &gEfiIp4ProtocolGuid,
> > - (VOID **) &Ip4,
> > - TcpServiceData->DriverBindingHandle,
> > - This->SockHandle,
> > - EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Open the device path on the handle where service binding resides
> on.
> > - //
> > - Status = gBS->OpenProtocol (
> > - TcpServiceData->ControllerHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - (VOID **) &This->ParentDevicePath,
> > - TcpServiceData->DriverBindingHandle,
> > - This->SockHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - gBS->CloseProtocol (
> > - TcpServiceData->IpIo->ChildHandle,
> > - &gEfiIp4ProtocolGuid,
> > - TcpServiceData->DriverBindingHandle,
> > - This->SockHandle
> > - );
> > - } else {
> > - //
> > - // Insert this socket into the SocketList.
> > - //
> > - InsertTailList (&TcpServiceData->SocketList, &This->Link);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Close Ip4 and device path protocols for a socket, and remove it from
> socket
> > list.
> > -
> > - @param This Pointer to the socket to be removed
> > - @param Context Context of the socket
> > -
> > -**/
> > -VOID
> > -Tcp4DestroySocketCallback (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - )
> > -{
> > - TCP4_SERVICE_DATA *TcpServiceData;
> > -
> > - TcpServiceData = ((TCP4_PROTO_DATA *) This->ProtoReserved)-
> > >TcpService;
> > -
> > - //
> > - // Remove this node from the list.
> > - //
> > - RemoveEntryList (&This->Link);
> > -
> > - //
> > - // Close the Ip4 protocol.
> > - //
> > - gBS->CloseProtocol (
> > - TcpServiceData->IpIo->ChildHandle,
> > - &gEfiIp4ProtocolGuid,
> > - TcpServiceData->DriverBindingHandle,
> > - This->SockHandle
> > - );
> > -}
> > -
> > -/**
> > - Creates a child handle and installs a protocol.
> > -
> > - The CreateChild() function installs a protocol on ChildHandle. If
> ChildHandle
> > - is a pointer to NULL, then a new handle is created and returned in
> > ChildHandle.
> > - If ChildHandle is not a pointer to NULL, then the protocol installs
> on the
> > existing
> > - ChildHandle.
> > -
> > - @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
> > instance.
> > - @param ChildHandle Pointer to the handle of the child to create. If
> it is
> > NULL, then
> > - a new handle is created. If it is a pointer to an
> existing UEFI
> > - handle, then the protocol is added to the
> existing UEFI handle.
> > -
> > - @retval EFI_SUCCES The protocol was added to ChildHandle.
> > - @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
> > - @retval EFI_OUT_OF_RESOURCES There are not enough resources
> > available to create
> > - the child.
> > - @retval other The child handle was not created.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4ServiceBindingCreateChild (
> > - IN EFI_SERVICE_BINDING_PROTOCOL *This,
> > - IN OUT EFI_HANDLE *ChildHandle
> > - )
> > -{
> > - SOCKET *Sock;
> > - TCP4_SERVICE_DATA *TcpServiceData;
> > - TCP4_PROTO_DATA TcpProto;
> > - EFI_STATUS Status;
> > - EFI_TPL OldTpl;
> > -
> > - if (NULL == This || NULL == ChildHandle) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
> > - Status = EFI_SUCCESS;
> > - TcpServiceData = TCP4_FROM_THIS (This);
> > - TcpProto.TcpService = TcpServiceData;
> > - TcpProto.TcpPcb = NULL;
> > -
> > - //
> > - // Create a tcp instance with defualt Tcp default
> > - // sock init data and TcpProto
> > - //
> > - mTcp4DefaultSockData.ProtoData = &TcpProto;
> > - mTcp4DefaultSockData.DataSize = sizeof (TCP4_PROTO_DATA);
> > - mTcp4DefaultSockData.DriverBinding = TcpServiceData-
> > >DriverBindingHandle;
> > -
> > - Sock = SockCreateChild (&mTcp4DefaultSockData);
> > - if (NULL == Sock) {
> > - DEBUG ((EFI_D_ERROR, "Tcp4DriverBindingCreateChild: "
> > - "No resource to create a Tcp Child\n"));
> > -
> > - Status = EFI_OUT_OF_RESOURCES;
> > - } else {
> > - *ChildHandle = Sock->SockHandle;
> > - }
> > -
> > - mTcp4DefaultSockData.ProtoData = NULL;
> > -
> > - gBS->RestoreTPL (OldTpl);
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Destroys a child handle with a protocol installed on it.
> > -
> > - The DestroyChild() function does the opposite of CreateChild(). It
> removes
> > a protocol
> > - that was installed by CreateChild() from ChildHandle. If the removed
> > protocol is the
> > - last protocol on ChildHandle, then ChildHandle is destroyed.
> > -
> > - @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
> > instance.
> > - @param ChildHandle Handle of the child to destroy
> > -
> > - @retval EFI_SUCCES The protocol was removed from
> ChildHandle.
> > - @retval EFI_UNSUPPORTED ChildHandle does not support the
> protocol
> > that is
> > - being removed.
> > - @retval EFI_INVALID_PARAMETER Child handle is NULL.
> > - @retval EFI_ACCESS_DENIED The protocol could not be removed from
> > the ChildHandle
> > - because its services are being used.
> > - @retval other The child handle was not destroyed.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4ServiceBindingDestroyChild (
> > - IN EFI_SERVICE_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ChildHandle
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > - SOCKET *Sock;
> > -
> > - if (NULL == This || NULL == ChildHandle) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // retrieve the Tcp4 protocol from ChildHandle
> > - //
> > - Status = gBS->OpenProtocol (
> > - ChildHandle,
> > - &gEfiTcp4ProtocolGuid,
> > - (VOID **) &Tcp4,
> > - mTcp4DriverBinding.DriverBindingHandle,
> > - ChildHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - Status = EFI_UNSUPPORTED;
> > - } else {
> > - //
> > - // destroy this sock and related Tcp protocol control
> > - // block
> > - //
> > - Sock = SOCK_FROM_THIS (Tcp4);
> > -
> > - SockDestroyChild (Sock);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Input.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Input.c
> > deleted file mode 100644
> > index f48efdac7cd8..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Input.c
> > +++ /dev/null
> > @@ -1,1497 +0,0 @@
> > -/** @file
> > - TCP input process routines.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "Tcp4Main.h"
> > -
> > -
> > -/**
> > - Check whether the sequence number of the incoming segment is
> > acceptable.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Pointer to the incoming segment.
> > -
> > - @retval 1 The sequence number is acceptable.
> > - @retval 0 The sequence number is not acceptable.
> > -
> > -**/
> > -INTN
> > -TcpSeqAcceptable (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - )
> > -{
> > - return (TCP_SEQ_LEQ (Tcb->RcvNxt, Seg->End) &&
> > - TCP_SEQ_LT (Seg->Seq, Tcb->RcvWl2 + Tcb->RcvWnd));
> > -}
> > -
> > -
> > -/**
> > - NewReno fast recovery, RFC3782.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Segment that triggers the fast recovery.
> > -
> > -**/
> > -VOID
> > -TcpFastRecover (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - )
> > -{
> > - UINT32 FlightSize;
> > - UINT32 Acked;
> > -
> > - //
> > - // Step 1: Three duplicate ACKs and not in fast recovery
> > - //
> > - if (Tcb->CongestState != TCP_CONGEST_RECOVER) {
> > -
> > - //
> > - // Step 1A: Invoking fast retransmission.
> > - //
> > - FlightSize = TCP_SUB_SEQ (Tcb->SndNxt, Tcb->SndUna);
> > -
> > - Tcb->Ssthresh = MAX (FlightSize >> 1, (UINT32) (2 * Tcb-
> >SndMss));
> > - Tcb->Recover = Tcb->SndNxt;
> > -
> > - Tcb->CongestState = TCP_CONGEST_RECOVER;
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
> > -
> > - //
> > - // Step 2: Entering fast retransmission
> > - //
> > - TcpRetransmit (Tcb, Tcb->SndUna);
> > - Tcb->CWnd = Tcb->Ssthresh + 3 * Tcb->SndMss;
> > -
> > - DEBUG ((EFI_D_NET, "TcpFastRecover: enter fast retransmission"
> > - " for TCB %p, recover point is %d\n", Tcb, Tcb->Recover));
> > - return;
> > - }
> > -
> > - //
> > - // During fast recovery, execute Step 3, 4, 5 of RFC3782
> > - //
> > - if (Seg->Ack == Tcb->SndUna) {
> > -
> > - //
> > - // Step 3: Fast Recovery,
> > - // If this is a duplicated ACK, increse Cwnd by SMSS.
> > - //
> > -
> > - // Step 4 is skipped here only to be executed later
> > - // by TcpToSendData
> > - //
> > - Tcb->CWnd += Tcb->SndMss;
> > - DEBUG ((EFI_D_NET, "TcpFastRecover: received another"
> > - " duplicated ACK (%d) for TCB %p\n", Seg->Ack, Tcb));
> > -
> > - } else {
> > -
> > - //
> > - // New data is ACKed, check whether it is a
> > - // full ACK or partial ACK
> > - //
> > - if (TCP_SEQ_GEQ (Seg->Ack, Tcb->Recover)) {
> > -
> > - //
> > - // Step 5 - Full ACK:
> > - // deflate the congestion window, and exit fast recovery
> > - //
> > - FlightSize = TCP_SUB_SEQ (Tcb->SndNxt, Tcb->SndUna);
> > -
> > - Tcb->CWnd = MIN (Tcb->Ssthresh, FlightSize + Tcb->SndMss);
> > -
> > - Tcb->CongestState = TCP_CONGEST_OPEN;
> > - DEBUG ((EFI_D_NET, "TcpFastRecover: received a full ACK(%d)"
> > - " for TCB %p, exit fast recovery\n", Seg->Ack, Tcb));
> > -
> > - } else {
> > -
> > - //
> > - // Step 5 - Partial ACK:
> > - // fast retransmit the first unacknowledge field
> > - // , then deflate the CWnd
> > - //
> > - TcpRetransmit (Tcb, Seg->Ack);
> > - Acked = TCP_SUB_SEQ (Seg->Ack, Tcb->SndUna);
> > -
> > - //
> > - // Deflate the CWnd by the amount of new data
> > - // ACKed by SEG.ACK. If more than one SMSS data
> > - // is ACKed, add back SMSS byte to CWnd after
> > - //
> > - if (Acked >= Tcb->SndMss) {
> > - Acked -= Tcb->SndMss;
> > -
> > - }
> > -
> > - Tcb->CWnd -= Acked;
> > -
> > - DEBUG ((EFI_D_NET, "TcpFastRecover: received a partial"
> > - " ACK(%d) for TCB %p\n", Seg->Ack, Tcb));
> > -
> > - }
> > - }
> > -}
> > -
> > -
> > -/**
> > - NewReno fast loss recovery, RFC3792.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Segment that triggers the fast loss recovery.
> > -
> > -**/
> > -VOID
> > -TcpFastLossRecover (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - )
> > -{
> > - if (TCP_SEQ_GT (Seg->Ack, Tcb->SndUna)) {
> > -
> > - //
> > - // New data is ACKed, check whether it is a
> > - // full ACK or partial ACK
> > - //
> > - if (TCP_SEQ_GEQ (Seg->Ack, Tcb->LossRecover)) {
> > -
> > - //
> > - // Full ACK: exit the loss recovery.
> > - //
> > - Tcb->LossTimes = 0;
> > - Tcb->CongestState = TCP_CONGEST_OPEN;
> > -
> > - DEBUG ((EFI_D_NET, "TcpFastLossRecover: received a "
> > - "full ACK(%d) for TCB %p\n", Seg->Ack, Tcb));
> > -
> > - } else {
> > -
> > - //
> > - // Partial ACK:
> > - // fast retransmit the first unacknowledge field.
> > - //
> > - TcpRetransmit (Tcb, Seg->Ack);
> > - DEBUG ((EFI_D_NET, "TcpFastLossRecover: received a "
> > - "partial ACK(%d) for TCB %p\n", Seg->Ack, Tcb));
> > - }
> > - }
> > -}
> > -
> > -
> > -/**
> > - Compute the RTT as specified in RFC2988.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Measure Currently measured RTT in heart beats.
> > -
> > -**/
> > -VOID
> > -TcpComputeRtt (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT32 Measure
> > - )
> > -{
> > - INT32 Var;
> > -
> > - //
> > - // Step 2.3: Compute the RTO for subsequent RTT measurement.
> > - //
> > - if (Tcb->SRtt != 0) {
> > -
> > - Var = Tcb->SRtt - (Measure << TCP_RTT_SHIFT);
> > -
> > - if (Var < 0) {
> > - Var = -Var;
> > - }
> > -
> > - Tcb->RttVar = (3 * Tcb->RttVar + Var) >> 2;
> > - Tcb->SRtt = 7 * (Tcb->SRtt >> 3) + Measure;
> > -
> > - } else {
> > - //
> > - // Step 2.2: compute the first RTT measure
> > - //
> > - Tcb->SRtt = Measure << TCP_RTT_SHIFT;
> > - Tcb->RttVar = Measure << (TCP_RTT_SHIFT - 1);
> > - }
> > -
> > - Tcb->Rto = (Tcb->SRtt + MAX (8, 4 * Tcb->RttVar)) >> TCP_RTT_SHIFT;
> > -
> > - //
> > - // Step 2.4: Limit the RTO to at least 1 second
> > - // Step 2.5: Limit the RTO to a maxium value that
> > - // is at least 60 second
> > - //
> > - if (Tcb->Rto < TCP_RTO_MIN) {
> > - Tcb->Rto = TCP_RTO_MIN;
> > -
> > - } else if (Tcb->Rto > TCP_RTO_MAX) {
> > - Tcb->Rto = TCP_RTO_MAX;
> > -
> > - }
> > -
> > - DEBUG ((EFI_D_NET, "TcpComputeRtt: new RTT for TCB %p"
> > - " computed SRTT: %d RTTVAR: %d RTO: %d\n",
> > - Tcb, Tcb->SRtt, Tcb->RttVar, Tcb->Rto));
> > -
> > -}
> > -
> > -
> > -/**
> > - Trim the data, SYN and FIN to fit into the window defined by Left and
> Right.
> > -
> > - @param Nbuf Buffer that contains received TCP segment without IP
> > header.
> > - @param Left The sequence number of the window's left edge.
> > - @param Right The sequence number of the window's right edge.
> > -
> > -**/
> > -VOID
> > -TcpTrimSegment (
> > - IN NET_BUF *Nbuf,
> > - IN TCP_SEQNO Left,
> > - IN TCP_SEQNO Right
> > - )
> > -{
> > - TCP_SEG *Seg;
> > - TCP_SEQNO Urg;
> > - UINT32 Drop;
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > -
> > - //
> > - // If the segment is completely out of window,
> > - // truncate every thing, include SYN and FIN.
> > - //
> > - if (TCP_SEQ_LEQ (Seg->End, Left) || TCP_SEQ_LEQ (Right, Seg->Seq)) {
> > -
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_SYN);
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_FIN);
> > -
> > - Seg->Seq = Seg->End;
> > - NetbufTrim (Nbuf, Nbuf->TotalSize, NET_BUF_HEAD);
> > - return;
> > - }
> > -
> > - //
> > - // Adjust the buffer header
> > - //
> > - if (TCP_SEQ_LT (Seg->Seq, Left)) {
> > -
> > - Drop = TCP_SUB_SEQ (Left, Seg->Seq);
> > - Urg = Seg->Seq + Seg->Urg;
> > - Seg->Seq = Left;
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_SYN);
> > - Drop--;
> > - }
> > -
> > - //
> > - // Adjust the urgent point
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_URG)) {
> > -
> > - if (TCP_SEQ_LT (Urg, Seg->Seq)) {
> > -
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_URG);
> > - } else {
> > - Seg->Urg = (UINT16) TCP_SUB_SEQ (Urg, Seg->Seq);
> > - }
> > - }
> > -
> > - if (Drop != 0) {
> > - NetbufTrim (Nbuf, Drop, NET_BUF_HEAD);
> > - }
> > - }
> > -
> > - //
> > - // Adjust the buffer tail
> > - //
> > - if (TCP_SEQ_GT (Seg->End, Right)) {
> > -
> > - Drop = TCP_SUB_SEQ (Seg->End, Right);
> > - Seg->End = Right;
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_FIN)) {
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_FIN);
> > - Drop--;
> > - }
> > -
> > - if (Drop != 0) {
> > - NetbufTrim (Nbuf, Drop, NET_BUF_TAIL);
> > - }
> > - }
> > -
> > - ASSERT (TcpVerifySegment (Nbuf) != 0);
> > -}
> > -
> > -
> > -/**
> > - Trim off the data outside the tcb's receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the NET_BUF containing the received tcp
> > segment.
> > -
> > -**/
> > -VOID
> > -TcpTrimInWnd (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - TcpTrimSegment (Nbuf, Tcb->RcvNxt, Tcb->RcvWl2 + Tcb->RcvWnd);
> > -}
> > -
> > -
> > -/**
> > - Process the data and FIN flag, check whether to deliver
> > - data to the socket layer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @retval 0 No error occurred to deliver data.
> > - @retval -1 Error condition occurred. Proper response is to
> reset the
> > - connection.
> > -
> > -**/
> > -INTN
> > -TcpDeliverData (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - NET_BUF *Nbuf;
> > - TCP_SEQNO Seq;
> > - TCP_SEG *Seg;
> > - UINT32 Urgent;
> > -
> > - ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL));
> > -
> > - //
> > - // make sure there is some data queued,
> > - // and TCP is in a proper state
> > - //
> > - if (IsListEmpty (&Tcb->RcvQue) || !TCP_CONNECTED (Tcb->State)) {
> > -
> > - return 0;
> > - }
> > -
> > - //
> > - // Deliver data to the socket layer
> > - //
> > - Entry = Tcb->RcvQue.ForwardLink;
> > - Seq = Tcb->RcvNxt;
> > -
> > - while (Entry != &Tcb->RcvQue) {
> > - Nbuf = NET_LIST_USER_STRUCT (Entry, NET_BUF, List);
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > -
> > - ASSERT (TcpVerifySegment (Nbuf) != 0);
> > - ASSERT (Nbuf->Tcp == NULL);
> > -
> > - if (TCP_SEQ_GT (Seg->Seq, Seq)) {
> > - break;
> > - }
> > -
> > - Entry = Entry->ForwardLink;
> > - Seq = Seg->End;
> > - Tcb->RcvNxt = Seq;
> > -
> > - RemoveEntryList (&Nbuf->List);
> > -
> > - //
> > - // RFC793 Eighth step: process FIN in sequence
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_FIN)) {
> > -
> > - //
> > - // The peer sends to us junky data after FIN,
> > - // reset the connection.
> > - //
> > - if (!IsListEmpty (&Tcb->RcvQue)) {
> > - DEBUG ((EFI_D_ERROR, "TcpDeliverData: data received after"
> > - " FIN from peer of TCB %p, reset connection\n", Tcb));
> > -
> > - NetbufFree (Nbuf);
> > - return -1;
> > - }
> > -
> > - DEBUG ((EFI_D_NET, "TcpDeliverData: processing FIN "
> > - "from peer of TCB %p\n", Tcb));
> > -
> > - switch (Tcb->State) {
> > - case TCP_SYN_RCVD:
> > - case TCP_ESTABLISHED:
> > -
> > - TcpSetState (Tcb, TCP_CLOSE_WAIT);
> > - break;
> > -
> > - case TCP_FIN_WAIT_1:
> > -
> > - if (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_ACKED)) {
> > -
> > - TcpSetState (Tcb, TCP_CLOSING);
> > - break;
> > - }
> > -
> > - //
> > - // fall through
> > - //
> > - case TCP_FIN_WAIT_2:
> > -
> > - TcpSetState (Tcb, TCP_TIME_WAIT);
> > - TcpClearAllTimer (Tcb);
> > -
> > - if (Tcb->TimeWaitTimeout != 0) {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_2MSL, Tcb->TimeWaitTimeout);
> > - } else {
> > -
> > - DEBUG ((EFI_D_WARN, "Connection closed immediately "
> > - "because app disables TIME_WAIT timer for %p\n", Tcb));
> > -
> > - TcpSendAck (Tcb);
> > - TcpClose (Tcb);
> > - }
> > - break;
> > -
> > - case TCP_CLOSE_WAIT:
> > - case TCP_CLOSING:
> > - case TCP_LAST_ACK:
> > - case TCP_TIME_WAIT:
> > - //
> > - // The peer sends to us junk FIN byte. Discard
> > - // the buffer then reset the connection
> > - //
> > - NetbufFree (Nbuf);
> > - return -1;
> > - default:
> > - break;
> > - }
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > -
> > - Seg->End--;
> > - }
> > -
> > - //
> > - // Don't delay the ack if PUSH flag is on.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_PSH)) {
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > - }
> > -
> > - if (Nbuf->TotalSize != 0) {
> > - Urgent = 0;
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG) &&
> > - TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvUp)) {
> > -
> > - if (TCP_SEQ_LEQ (Seg->End, Tcb->RcvUp)) {
> > - Urgent = Nbuf->TotalSize;
> > - } else {
> > - Urgent = TCP_SUB_SEQ (Tcb->RcvUp, Seg->Seq) + 1;
> > - }
> > - }
> > -
> > - SockDataRcvd (Tcb->Sk, Nbuf, Urgent);
> > - }
> > -
> > - if (TCP_FIN_RCVD (Tcb->State)) {
> > -
> > - SockNoMoreData (Tcb->Sk);
> > - }
> > -
> > - NetbufFree (Nbuf);
> > - }
> > -
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Store the data into the reassemble queue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer containing the data to be
> queued.
> > -
> > -**/
> > -VOID
> > -TcpQueueData (
> > - IN OUT TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - TCP_SEG *Seg;
> > - LIST_ENTRY *Head;
> > - LIST_ENTRY *Prev;
> > - LIST_ENTRY *Cur;
> > - NET_BUF *Node;
> > -
> > - ASSERT ((Tcb != NULL) && (Nbuf != NULL) && (Nbuf->Tcp == NULL));
> > -
> > - NET_GET_REF (Nbuf);
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Head = &Tcb->RcvQue;
> > -
> > - //
> > - // Fast path to process normal case. That is,
> > - // no out-of-order segments are received.
> > - //
> > - if (IsListEmpty (Head)) {
> > -
> > - InsertTailList (Head, &Nbuf->List);
> > - return;
> > - }
> > -
> > - //
> > - // Find the point to insert the buffer
> > - //
> > - for (Prev = Head, Cur = Head->ForwardLink;
> > - Cur != Head;
> > - Prev = Cur, Cur = Cur->ForwardLink) {
> > -
> > - Node = NET_LIST_USER_STRUCT (Cur, NET_BUF, List);
> > -
> > - if (TCP_SEQ_LT (Seg->Seq, TCPSEG_NETBUF (Node)->Seq)) {
> > - break;
> > - }
> > - }
> > -
> > - //
> > - // Check whether the current segment overlaps with the
> > - // previous segment.
> > - //
> > - if (Prev != Head) {
> > - Node = NET_LIST_USER_STRUCT (Prev, NET_BUF, List);
> > -
> > - if (TCP_SEQ_LT (Seg->Seq, TCPSEG_NETBUF (Node)->End)) {
> > -
> > - if (TCP_SEQ_LEQ (Seg->End, TCPSEG_NETBUF (Node)->End)) {
> > -
> > - NetbufFree (Nbuf);
> > - return;
> > - }
> > -
> > - TcpTrimSegment (Nbuf, TCPSEG_NETBUF (Node)->End, Seg->End);
> > - }
> > - }
> > -
> > - InsertHeadList (Prev, &Nbuf->List);
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > -
> > - //
> > - // Check the segments after the insert point.
> > - //
> > - while (Cur != Head) {
> > - Node = NET_LIST_USER_STRUCT (Cur, NET_BUF, List);
> > -
> > - if (TCP_SEQ_LEQ (TCPSEG_NETBUF (Node)->End, Seg->End)) {
> > -
> > - Cur = Cur->ForwardLink;
> > -
> > - RemoveEntryList (&Node->List);
> > - NetbufFree (Node);
> > - continue;
> > - }
> > -
> > - if (TCP_SEQ_LT (TCPSEG_NETBUF (Node)->Seq, Seg->End)) {
> > -
> > - if (TCP_SEQ_LEQ (TCPSEG_NETBUF (Node)->Seq, Seg->Seq)) {
> > -
> > - RemoveEntryList (&Nbuf->List);
> > - NetbufFree (Nbuf);
> > - return ;
> > - }
> > -
> > - TcpTrimSegment (Nbuf, Seg->Seq, TCPSEG_NETBUF (Node)->Seq);
> > - break;
> > - }
> > -
> > - Cur = Cur->ForwardLink;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Ajust the send queue or the retransmit queue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Ack The acknowledge seuqence number of the received
> > segment.
> > -
> > -**/
> > -VOID
> > -TcpAdjustSndQue (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Ack
> > - )
> > -{
> > - LIST_ENTRY *Head;
> > - LIST_ENTRY *Cur;
> > - NET_BUF *Node;
> > - TCP_SEG *Seg;
> > -
> > - Head = &Tcb->SndQue;
> > - Cur = Head->ForwardLink;
> > -
> > - while (Cur != Head) {
> > - Node = NET_LIST_USER_STRUCT (Cur, NET_BUF, List);
> > - Seg = TCPSEG_NETBUF (Node);
> > -
> > - if (TCP_SEQ_GEQ (Seg->Seq, Ack)) {
> > - break;
> > - }
> > -
> > - //
> > - // Remove completely ACKed segments
> > - //
> > - if (TCP_SEQ_LEQ (Seg->End, Ack)) {
> > - Cur = Cur->ForwardLink;
> > -
> > - RemoveEntryList (&Node->List);
> > - NetbufFree (Node);
> > - continue;
> > - }
> > -
> > - TcpTrimSegment (Node, Ack, Seg->End);
> > - break;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Process the received TCP segments.
> > -
> > - @param Nbuf Buffer that contains received TCP segment without IP
> > header.
> > - @param Src Source address of the segment, or the peer's IP
> address.
> > - @param Dst Destination address of the segment, or the local
> end's IP
> > - address.
> > -
> > - @retval 0 Segment is processed successfully. It is either
> accepted or
> > - discarded. But no connection is reset by the segment.
> > - @retval -1 A connection is reset by the segment.
> > -
> > -**/
> > -INTN
> > -TcpInput (
> > - IN NET_BUF *Nbuf,
> > - IN UINT32 Src,
> > - IN UINT32 Dst
> > - )
> > -{
> > - TCP_CB *Tcb;
> > - TCP_CB *Parent;
> > - TCP_OPTION Option;
> > - TCP_HEAD *Head;
> > - INT32 Len;
> > - TCP_SEG *Seg;
> > - TCP_SEQNO Right;
> > - TCP_SEQNO Urg;
> > - INT32 Usable;
> > -
> > - NET_CHECK_SIGNATURE (Nbuf, NET_BUF_SIGNATURE);
> > -
> > - Parent = NULL;
> > - Tcb = NULL;
> > -
> > - Head = (TCP_HEAD *) NetbufGetByte (Nbuf, 0, NULL);
> > - ASSERT (Head != NULL);
> > -
> > - if (Nbuf->TotalSize < sizeof (TCP_HEAD)) {
> > - DEBUG ((EFI_D_NET, "TcpInput: received a malformed packet\n"));
> > - goto DISCARD;
> > - }
> > -
> > - Len = Nbuf->TotalSize - (Head->HeadLen << 2);
> > -
> > - if ((Head->HeadLen < 5) || (Len < 0) ||
> > - (TcpChecksum (Nbuf, NetPseudoHeadChecksum (Src, Dst, 6, 0)) != 0))
> {
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: received a malformed packet\n"));
> > - goto DISCARD;
> > - }
> > -
> > - if (TCP_FLG_ON (Head->Flag, TCP_FLG_SYN)) {
> > - Len++;
> > - }
> > -
> > - if (TCP_FLG_ON (Head->Flag, TCP_FLG_FIN)) {
> > - Len++;
> > - }
> > -
> > - Tcb = TcpLocateTcb (
> > - Head->DstPort,
> > - Dst,
> > - Head->SrcPort,
> > - Src,
> > - (BOOLEAN) TCP_FLG_ON (Head->Flag, TCP_FLG_SYN)
> > - );
> > -
> > - if ((Tcb == NULL) || (Tcb->State == TCP_CLOSED)) {
> > - DEBUG ((EFI_D_NET, "TcpInput: send reset because no TCB found\n"));
> > -
> > - Tcb = NULL;
> > - goto SEND_RESET;
> > - }
> > -
> > - Seg = TcpFormatNetbuf (Tcb, Nbuf);
> > -
> > - //
> > - // RFC1122 recommended reaction to illegal option
> > - // (in fact, an illegal option length) is reset.
> > - //
> > - if (TcpParseOption (Nbuf->Tcp, &Option) == -1) {
> > - DEBUG ((EFI_D_ERROR, "TcpInput: reset the peer because"
> > - " of malformed option for TCB %p\n", Tcb));
> > -
> > - goto SEND_RESET;
> > - }
> > -
> > - //
> > - // From now on, the segment is headless
> > - //
> > - NetbufTrim (Nbuf, (Head->HeadLen << 2), NET_BUF_HEAD);
> > - Nbuf->Tcp = NULL;
> > -
> > - //
> > - // Process the segment in LISTEN state.
> > - //
> > - if (Tcb->State == TCP_LISTEN) {
> > - //
> > - // First step: Check RST
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_RST)) {
> > - DEBUG ((EFI_D_WARN, "TcpInput: discard a reset segment "
> > - "for TCB %p in listening\n", Tcb));
> > -
> > - goto DISCARD;
> > - }
> > -
> > - //
> > - // Second step: Check ACK.
> > - // Any ACK sent to TCP in LISTEN is reseted.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK)) {
> > - DEBUG ((EFI_D_WARN, "TcpInput: send reset because of"
> > - " segment with ACK for TCB %p in listening\n", Tcb));
> > -
> > - goto SEND_RESET;
> > - }
> > -
> > - //
> > - // Third step: Check SYN
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > - //
> > - // create a child TCB to handle the data
> > - //
> > - Parent = Tcb;
> > -
> > - Tcb = TcpCloneTcb (Parent);
> > - if (Tcb == NULL) {
> > - DEBUG ((EFI_D_ERROR, "TcpInput: discard a segment because"
> > - " failed to clone a child for TCB %p\n", Tcb));
> > -
> > - goto DISCARD;
> > - }
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: create a child for TCB %p"
> > - " in listening\n", Tcb));
> > -
> > - //
> > - // init the TCB structure
> > - //
> > - Tcb->LocalEnd.Ip = Dst;
> > - Tcb->LocalEnd.Port = Head->DstPort;
> > - Tcb->RemoteEnd.Ip = Src;
> > - Tcb->RemoteEnd.Port = Head->SrcPort;
> > -
> > - TcpInitTcbLocal (Tcb);
> > - TcpInitTcbPeer (Tcb, Seg, &Option);
> > -
> > - TcpSetState (Tcb, TCP_SYN_RCVD);
> > - TcpSetTimer (Tcb, TCP_TIMER_CONNECT, Tcb->ConnectTimeout);
> > - TcpTrimInWnd (Tcb, Nbuf);
> > -
> > - goto StepSix;
> > - }
> > -
> > - goto DISCARD;
> > -
> > - } else if (Tcb->State == TCP_SYN_SENT) {
> > - //
> > - // First step: Check ACK bit
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK) && (Seg->Ack != Tcb->Iss +
> 1))
> > {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: send reset because of "
> > - "wrong ACK received for TCB %p in SYN_SENT\n", Tcb));
> > -
> > - goto SEND_RESET;
> > - }
> > -
> > - //
> > - // Second step: Check RST bit
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_RST)) {
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: connection reset by"
> > - " peer for TCB %p in SYN_SENT\n", Tcb));
> > -
> > - SOCK_ERROR (Tcb->Sk, EFI_CONNECTION_RESET);
> > - goto DROP_CONNECTION;
> > - } else {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: discard a reset segment "
> > - "because of no ACK for TCB %p in SYN_SENT\n", Tcb));
> > -
> > - goto DISCARD;
> > - }
> > - }
> > -
> > - //
> > - // Third step: Check security and precedence. Skipped
> > - //
> > -
> > - //
> > - // Fourth step: Check SYN. Pay attention to simultaneous open
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > -
> > - TcpInitTcbPeer (Tcb, Seg, &Option);
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK)) {
> > -
> > - Tcb->SndUna = Seg->Ack;
> > - }
> > -
> > - TcpClearTimer (Tcb, TCP_TIMER_REXMIT);
> > -
> > - if (TCP_SEQ_GT (Tcb->SndUna, Tcb->Iss)) {
> > -
> > - TcpSetState (Tcb, TCP_ESTABLISHED);
> > -
> > - TcpClearTimer (Tcb, TCP_TIMER_CONNECT);
> > - TcpDeliverData (Tcb);
> > -
> > - if ((Tcb->CongestState == TCP_CONGEST_OPEN) &&
> > - TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON)) {
> > -
> > - TcpComputeRtt (Tcb, Tcb->RttMeasure);
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
> > - }
> > -
> > - TcpTrimInWnd (Tcb, Nbuf);
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: connection established"
> > - " for TCB %p in SYN_SENT\n", Tcb));
> > -
> > - goto StepSix;
> > - } else {
> > - //
> > - // Received a SYN segment without ACK, simultaneous open.
> > - //
> > - TcpSetState (Tcb, TCP_SYN_RCVD);
> > -
> > - ASSERT (Tcb->SndNxt == Tcb->Iss + 1);
> > - TcpAdjustSndQue (Tcb, Tcb->SndNxt);
> > -
> > - TcpTrimInWnd (Tcb, Nbuf);
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: simultaneous open "
> > - "for TCB %p in SYN_SENT\n", Tcb));
> > -
> > - goto StepSix;
> > - }
> > - }
> > -
> > - goto DISCARD;
> > - }
> > -
> > - //
> > - // Process segment in SYN_RCVD or TCP_CONNECTED states
> > - //
> > -
> > - //
> > - // Clear probe timer since the RecvWindow is opened.
> > - //
> > - if (Tcb->ProbeTimerOn && (Seg->Wnd != 0)) {
> > - TcpClearTimer (Tcb, TCP_TIMER_PROBE);
> > - Tcb->ProbeTimerOn = FALSE;
> > - }
> > -
> > - //
> > - // First step: Check whether SEG.SEQ is acceptable
> > - //
> > - if (TcpSeqAcceptable (Tcb, Seg) == 0) {
> > - DEBUG ((EFI_D_WARN, "TcpInput: sequence acceptance"
> > - " test failed for segment of TCB %p\n", Tcb));
> > -
> > - if (!TCP_FLG_ON (Seg->Flag, TCP_FLG_RST)) {
> > - TcpSendAck (Tcb);
> > - }
> > -
> > - goto DISCARD;
> > - }
> > -
> > - if ((TCP_SEQ_LT (Seg->Seq, Tcb->RcvWl2)) &&
> > - (Tcb->RcvWl2 == Seg->End) &&
> > - !TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN | TCP_FLG_FIN)) {
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > - }
> > -
> > - //
> > - // Second step: Check the RST
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_RST)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: connection reset for TCB %p\n",
> Tcb));
> > -
> > - if (Tcb->State == TCP_SYN_RCVD) {
> > -
> > - SOCK_ERROR (Tcb->Sk, EFI_CONNECTION_REFUSED);
> > -
> > - //
> > - // This TCB comes from either a LISTEN TCB,
> > - // or active open TCB with simultanous open.
> > - // Do NOT signal user CONNECTION refused
> > - // if it comes from a LISTEN TCB.
> > - //
> > - } else if ((Tcb->State == TCP_ESTABLISHED) ||
> > - (Tcb->State == TCP_FIN_WAIT_1) ||
> > - (Tcb->State == TCP_FIN_WAIT_2) ||
> > - (Tcb->State == TCP_CLOSE_WAIT)) {
> > -
> > - SOCK_ERROR (Tcb->Sk, EFI_CONNECTION_RESET);
> > -
> > - } else {
> > -
> > - }
> > -
> > - goto DROP_CONNECTION;
> > - }
> > -
> > - //
> > - // Trim the data and flags.
> > - //
> > - TcpTrimInWnd (Tcb, Nbuf);
> > -
> > - //
> > - // Third step: Check security and precedence, Ignored
> > - //
> > -
> > - //
> > - // Fourth step: Check the SYN bit.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: connection reset "
> > - "because received extra SYN for TCB %p\n", Tcb));
> > -
> > - SOCK_ERROR (Tcb->Sk, EFI_CONNECTION_RESET);
> > - goto RESET_THEN_DROP;
> > - }
> > -
> > - //
> > - // Fifth step: Check the ACK
> > - //
> > - if (!TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK)) {
> > - DEBUG ((EFI_D_WARN, "TcpInput: segment discard because"
> > - " of no ACK for connected TCB %p\n", Tcb));
> > -
> > - goto DISCARD;
> > -
> > - }
> > -
> > - if (Tcb->State == TCP_SYN_RCVD) {
> > -
> > - if (TCP_SEQ_LT (Tcb->SndUna, Seg->Ack) &&
> > - TCP_SEQ_LEQ (Seg->Ack, Tcb->SndNxt)) {
> > -
> > - Tcb->SndWnd = Seg->Wnd;
> > - Tcb->SndWndMax = MAX (Tcb->SndWnd, Tcb->SndWndMax);
> > - Tcb->SndWl1 = Seg->Seq;
> > - Tcb->SndWl2 = Seg->Ack;
> > - TcpSetState (Tcb, TCP_ESTABLISHED);
> > -
> > - TcpClearTimer (Tcb, TCP_TIMER_CONNECT);
> > - TcpDeliverData (Tcb);
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: connection established "
> > - " for TCB %p in SYN_RCVD\n", Tcb));
> > -
> > - //
> > - // Continue the process as ESTABLISHED state
> > - //
> > - } else {
> > - DEBUG ((EFI_D_WARN, "TcpInput: send reset because of"
> > - " wrong ACK for TCB %p in SYN_RCVD\n", Tcb));
> > -
> > - goto SEND_RESET;
> > - }
> > - }
> > -
> > - if (TCP_SEQ_LT (Seg->Ack, Tcb->SndUna)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: ignore the out-of-data"
> > - " ACK for connected TCB %p\n", Tcb));
> > -
> > - goto StepSix;
> > -
> > - } else if (TCP_SEQ_GT (Seg->Ack, Tcb->SndNxt)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: discard segment for "
> > - "future ACK for connected TCB %p\n", Tcb));
> > -
> > - TcpSendAck (Tcb);
> > - goto DISCARD;
> > - }
> > -
> > - //
> > - // From now on: SND.UNA <= SEG.ACK <= SND.NXT.
> > - //
> > - if (TCP_FLG_ON (Option.Flag, TCP_OPTION_RCVD_TS)) {
> > - //
> > - // update TsRecent as specified in page 16 RFC1323.
> > - // RcvWl2 equals to the variable "LastAckSent"
> > - // defined there.
> > - //
> > - if (TCP_SEQ_LEQ (Seg->Seq, Tcb->RcvWl2) &&
> > - TCP_SEQ_LT (Tcb->RcvWl2, Seg->End)) {
> > -
> > - Tcb->TsRecent = Option.TSVal;
> > - Tcb->TsRecentAge = mTcpTick;
> > - }
> > -
> > - TcpComputeRtt (Tcb, TCP_SUB_TIME (mTcpTick, Option.TSEcr));
> > -
> > - } else if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON)) {
> > -
> > - ASSERT (Tcb->CongestState == TCP_CONGEST_OPEN);
> > -
> > - TcpComputeRtt (Tcb, Tcb->RttMeasure);
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
> > - }
> > -
> > - if (Seg->Ack == Tcb->SndNxt) {
> > -
> > - TcpClearTimer (Tcb, TCP_TIMER_REXMIT);
> > - } else {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_REXMIT, Tcb->Rto);
> > - }
> > -
> > - //
> > - // Count duplicate acks.
> > - //
> > - if ((Seg->Ack == Tcb->SndUna) &&
> > - (Tcb->SndUna != Tcb->SndNxt) &&
> > - (Seg->Wnd == Tcb->SndWnd) &&
> > - (0 == Len)) {
> > -
> > - Tcb->DupAck++;
> > - } else {
> > -
> > - Tcb->DupAck = 0;
> > - }
> > -
> > - //
> > - // Congestion avoidance, fast recovery and fast retransmission.
> > - //
> > - if (((Tcb->CongestState == TCP_CONGEST_OPEN) && (Tcb->DupAck < 3))
> > ||
> > - (Tcb->CongestState == TCP_CONGEST_LOSS)) {
> > -
> > - if (TCP_SEQ_GT (Seg->Ack, Tcb->SndUna)) {
> > -
> > - if (Tcb->CWnd < Tcb->Ssthresh) {
> > -
> > - Tcb->CWnd += Tcb->SndMss;
> > - } else {
> > -
> > - Tcb->CWnd += MAX (Tcb->SndMss * Tcb->SndMss / Tcb->CWnd, 1);
> > - }
> > -
> > - Tcb->CWnd = MIN (Tcb->CWnd, TCP_MAX_WIN << Tcb->SndWndScale);
> > - }
> > -
> > - if (Tcb->CongestState == TCP_CONGEST_LOSS) {
> > - TcpFastLossRecover (Tcb, Seg);
> > - }
> > - } else {
> > -
> > - TcpFastRecover (Tcb, Seg);
> > - }
> > -
> > - if (TCP_SEQ_GT (Seg->Ack, Tcb->SndUna)) {
> > -
> > - TcpAdjustSndQue (Tcb, Seg->Ack);
> > - Tcb->SndUna = Seg->Ack;
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_SND_URG) &&
> > - TCP_SEQ_LT (Tcb->SndUp, Seg->Ack)) {
> > -
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_URG);
> > - }
> > - }
> > -
> > - //
> > - // Update window info
> > - //
> > - if (TCP_SEQ_LT (Tcb->SndWl1, Seg->Seq) ||
> > - ((Tcb->SndWl1 == Seg->Seq) && TCP_SEQ_LEQ (Tcb->SndWl2, Seg-
> > >Ack))) {
> > -
> > - Right = Seg->Ack + Seg->Wnd;
> > -
> > - if (TCP_SEQ_LT (Right, Tcb->SndWl2 + Tcb->SndWnd)) {
> > -
> > - if ((Tcb->SndWl1 == Seg->Seq) &&
> > - (Tcb->SndWl2 == Seg->Ack) &&
> > - (Len == 0)) {
> > -
> > - goto NO_UPDATE;
> > - }
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: peer shrinks the"
> > - " window for connected TCB %p\n", Tcb));
> > -
> > - if ((Tcb->CongestState == TCP_CONGEST_RECOVER) &&
> > - (TCP_SEQ_LT (Right, Tcb->Recover))) {
> > -
> > - Tcb->Recover = Right;
> > - }
> > -
> > - if ((Tcb->CongestState == TCP_CONGEST_LOSS) &&
> > - (TCP_SEQ_LT (Right, Tcb->LossRecover))) {
> > -
> > - Tcb->LossRecover = Right;
> > - }
> > -
> > - if (TCP_SEQ_LT (Right, Tcb->SndNxt)) {
> > - //
> > - // Check for Window Retraction in RFC7923 section 2.4.
> > - // The lower n bits of the peer's actual receive window is
> wiped out if
> > TCP
> > - // window scale is enabled, it will look like the peer is
> shrinking the
> > window.
> > - // Check whether the SndNxt is out of the advertised receive
> window
> > by more than
> > - // 2^Rcv.Wind.Shift before moving the SndNxt to the left.
> > - //
> > - DEBUG (
> > - (EFI_D_WARN,
> > - "TcpInput: peer advise negative useable window for connected
> > TCB %p\n",
> > - Tcb)
> > - );
> > - Usable = TCP_SUB_SEQ (Tcb->SndNxt, Right);
> > - if ((Usable >> Tcb->SndWndScale) > 0) {
> > - DEBUG (
> > - (EFI_D_WARN,
> > - "TcpInput: SndNxt is out of window by more than window
> scale for
> > TCB %p\n",
> > - Tcb)
> > - );
> > - Tcb->SndNxt = Right;
> > - }
> > - if (Right == Tcb->SndUna) {
> > -
> > - TcpClearTimer (Tcb, TCP_TIMER_REXMIT);
> > - TcpSetProbeTimer (Tcb);
> > - }
> > - }
> > - }
> > -
> > - Tcb->SndWnd = Seg->Wnd;
> > - Tcb->SndWndMax = MAX (Tcb->SndWnd, Tcb->SndWndMax);
> > - Tcb->SndWl1 = Seg->Seq;
> > - Tcb->SndWl2 = Seg->Ack;
> > - }
> > -
> > -NO_UPDATE:
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT) &&
> > - (Tcb->SndUna == Tcb->SndNxt)) {
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: local FIN is ACKed by"
> > - " peer for connected TCB %p\n", Tcb));
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_FIN_ACKED);
> > - }
> > -
> > - //
> > - // Transit the state if proper.
> > - //
> > - switch (Tcb->State) {
> > - case TCP_FIN_WAIT_1:
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_ACKED)) {
> > -
> > - TcpSetState (Tcb, TCP_FIN_WAIT_2);
> > -
> > - TcpClearAllTimer (Tcb);
> > - TcpSetTimer (Tcb, TCP_TIMER_FINWAIT2, Tcb->FinWait2Timeout);
> > - }
> > -
> > - case TCP_FIN_WAIT_2:
> > -
> > - break;
> > -
> > - case TCP_CLOSE_WAIT:
> > - break;
> > -
> > - case TCP_CLOSING:
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_ACKED)) {
> > -
> > - TcpSetState (Tcb, TCP_TIME_WAIT);
> > -
> > - TcpClearAllTimer (Tcb);
> > -
> > - if (Tcb->TimeWaitTimeout != 0) {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_2MSL, Tcb->TimeWaitTimeout);
> > - } else {
> > -
> > - DEBUG ((EFI_D_WARN, "Connection closed immediately "
> > - "because app disables TIME_WAIT timer for %p\n", Tcb));
> > -
> > - TcpClose (Tcb);
> > - }
> > - }
> > - break;
> > -
> > - case TCP_LAST_ACK:
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_ACKED)) {
> > -
> > - TcpSetState (Tcb, TCP_CLOSED);
> > - }
> > -
> > - break;
> > -
> > - case TCP_TIME_WAIT:
> > -
> > - TcpSendAck (Tcb);
> > -
> > - if (Tcb->TimeWaitTimeout != 0) {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_2MSL, Tcb->TimeWaitTimeout);
> > - } else {
> > -
> > - DEBUG ((EFI_D_WARN, "Connection closed immediately "
> > - "because app disables TIME_WAIT timer for %p\n", Tcb));
> > -
> > - TcpClose (Tcb);
> > - }
> > - break;
> > -
> > - default:
> > - break;
> > - }
> > -
> > - //
> > - // Sixth step: Check the URG bit.update the Urg point
> > - // if in TCP_CAN_RECV, otherwise, leave the RcvUp intact.
> > - //
> > -StepSix:
> > -
> > - Tcb->Idle = 0;
> > - TcpSetKeepaliveTimer (Tcb);
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_URG) &&
> > - !TCP_FIN_RCVD (Tcb->State))
> > - {
> > -
> > - DEBUG ((EFI_D_NET, "TcpInput: received urgent data "
> > - "from peer for connected TCB %p\n", Tcb));
> > -
> > - Urg = Seg->Seq + Seg->Urg;
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG) &&
> > - TCP_SEQ_GT (Urg, Tcb->RcvUp)) {
> > -
> > - Tcb->RcvUp = Urg;
> > - } else {
> > -
> > - Tcb->RcvUp = Urg;
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_RCVD_URG);
> > - }
> > - }
> > -
> > - //
> > - // Seventh step: Process the segment data
> > - //
> > - if (Seg->End != Seg->Seq) {
> > -
> > - if (TCP_FIN_RCVD (Tcb->State)) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpInput: connection reset because"
> > - " data is lost for connected TCB %p\n", Tcb));
> > -
> > - goto RESET_THEN_DROP;
> > - }
> > -
> > - if (TCP_LOCAL_CLOSED (Tcb->State) && (Nbuf->TotalSize != 0)) {
> > - DEBUG ((EFI_D_WARN, "TcpInput: connection reset because"
> > - " data is lost for connected TCB %p\n", Tcb));
> > -
> > - goto RESET_THEN_DROP;
> > - }
> > -
> > - TcpQueueData (Tcb, Nbuf);
> > - if (TcpDeliverData (Tcb) == -1) {
> > - goto RESET_THEN_DROP;
> > - }
> > -
> > - if (!IsListEmpty (&Tcb->RcvQue)) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > - }
> > - }
> > -
> > - //
> > - // Eighth step: check the FIN.
> > - // This step is moved to TcpDeliverData. FIN will be
> > - // processed in sequence there. Check the comments in
> > - // the beginning of the file header for information.
> > - //
> > -
> > - //
> > - // Tcb is a new child of the listening Parent,
> > - // commit it.
> > - //
> > - if (Parent != NULL) {
> > - Tcb->Parent = Parent;
> > - TcpInsertTcb (Tcb);
> > - }
> > -
> > - if ((Tcb->State != TCP_CLOSED) &&
> > - (TcpToSendData (Tcb, 0) == 0) &&
> > - (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW) || (Nbuf-
> > >TotalSize != 0))) {
> > -
> > - TcpToSendAck (Tcb);
> > - }
> > -
> > - NetbufFree (Nbuf);
> > - return 0;
> > -
> > -RESET_THEN_DROP:
> > - TcpSendReset (Tcb, Head, Len, Dst, Src);
> > -
> > -DROP_CONNECTION:
> > - ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL));
> > -
> > - NetbufFree (Nbuf);
> > - TcpClose (Tcb);
> > -
> > - return -1;
> > -
> > -SEND_RESET:
> > -
> > - TcpSendReset (Tcb, Head, Len, Dst, Src);
> > -
> > -DISCARD:
> > -
> > - //
> > - // Tcb is a child of Parent, and it doesn't survive
> > - //
> > - DEBUG ((EFI_D_WARN, "Tcp4Input: Discard a packet\n"));
> > - NetbufFree (Nbuf);
> > -
> > - if ((Parent != NULL) && (Tcb != NULL)) {
> > -
> > - ASSERT (Tcb->Sk != NULL);
> > - TcpClose (Tcb);
> > - }
> > -
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Process the received ICMP error messages for TCP.
> > -
> > - @param Nbuf Buffer that contains part of the TCP segment without
> IP
> > header
> > - truncated from the ICMP error packet.
> > - @param IcmpErr The ICMP error code interpreted from ICMP error
> packet.
> > - @param Src Source address of the ICMP error message.
> > - @param Dst Destination address of the ICMP error message.
> > -
> > -**/
> > -VOID
> > -TcpIcmpInput (
> > - IN NET_BUF *Nbuf,
> > - IN UINT8 IcmpErr,
> > - IN UINT32 Src,
> > - IN UINT32 Dst
> > - )
> > -{
> > - TCP_HEAD *Head;
> > - TCP_CB *Tcb;
> > - TCP_SEQNO Seq;
> > - EFI_STATUS IcmpErrStatus;
> > - BOOLEAN IcmpErrIsHard;
> > - BOOLEAN IcmpErrNotify;
> > -
> > - if (Nbuf->TotalSize < sizeof (TCP_HEAD)) {
> > - goto CLEAN_EXIT;
> > - }
> > -
> > - Head = (TCP_HEAD *) NetbufGetByte (Nbuf, 0, NULL);
> > - ASSERT (Head != NULL);
> > - Tcb = TcpLocateTcb (
> > - Head->DstPort,
> > - Dst,
> > - Head->SrcPort,
> > - Src,
> > - FALSE
> > - );
> > - if (Tcb == NULL || Tcb->State == TCP_CLOSED) {
> > -
> > - goto CLEAN_EXIT;
> > - }
> > -
> > - //
> > - // Validate the sequence number.
> > - //
> > - Seq = NTOHL (Head->Seq);
> > - if (!(TCP_SEQ_LEQ (Tcb->SndUna, Seq) && TCP_SEQ_LT (Seq, Tcb-
> > >SndNxt))) {
> > -
> > - goto CLEAN_EXIT;
> > - }
> > -
> > - IcmpErrStatus = IpIoGetIcmpErrStatus (
> > - IcmpErr,
> > - IP_VERSION_4,
> > - &IcmpErrIsHard,
> > - &IcmpErrNotify
> > - );
> > -
> > - if (IcmpErrNotify) {
> > -
> > - SOCK_ERROR (Tcb->Sk, IcmpErrStatus);
> > - }
> > -
> > - if (IcmpErrIsHard) {
> > -
> > - TcpClose (Tcb);
> > - }
> > -
> > -CLEAN_EXIT:
> > - NetbufFree (Nbuf);
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c
> > deleted file mode 100644
> > index b98d1e783a2f..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Io.c
> > +++ /dev/null
> > @@ -1,112 +0,0 @@
> > -/** @file
> > - I/O interfaces between TCP and IpIo.
> > -
> > -Copyright (c) 2005 - 2009, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -
> > -/**
> > - Packet receive callback function provided to IP_IO, used to call
> > - the proper function to handle the packet received by IP.
> > -
> > - @param Status Status of the received packet.
> > - @param IcmpErr ICMP error number.
> > - @param NetSession Pointer to the net session of this packet.
> > - @param Pkt Pointer to the recieved packet.
> > - @param Context Pointer to the context configured in IpIoOpen(),
> not
> > used
> > - now.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -Tcp4RxCallback (
> > - IN EFI_STATUS Status,
> > - IN UINT8 IcmpErr,
> > - IN EFI_NET_SESSION_DATA *NetSession,
> > - IN NET_BUF *Pkt,
> > - IN VOID *Context OPTIONAL
> > - )
> > -{
> > - if (EFI_SUCCESS == Status) {
> > - TcpInput (Pkt, NetSession->Source.Addr[0], NetSession-
> >Dest.Addr[0]);
> > - } else {
> > - TcpIcmpInput (Pkt, IcmpErr, NetSession->Source.Addr[0], NetSession-
> > >Dest.Addr[0]);
> > - }
> > -}
> > -
> > -
> > -/**
> > - Send the segment to IP via IpIo function.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the TCP segment to be sent.
> > - @param Src Source address of the TCP segment.
> > - @param Dest Destination address of the TCP segment.
> > -
> > - @retval 0 The segment was sent out successfully.
> > - @retval -1 The segment was failed to send.
> > -
> > -**/
> > -INTN
> > -TcpSendIpPacket (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf,
> > - IN UINT32 Src,
> > - IN UINT32 Dest
> > - )
> > -{
> > - EFI_STATUS Status;
> > - IP_IO *IpIo;
> > - IP_IO_OVERRIDE Override;
> > - SOCKET *Sock;
> > - VOID *IpSender;
> > - TCP4_PROTO_DATA *TcpProto;
> > - EFI_IP_ADDRESS Source;
> > - EFI_IP_ADDRESS Destination;
> > -
> > - Source.Addr[0] = Src;
> > - Destination.Addr[0] = Dest;
> > -
> > - if (NULL == Tcb) {
> > -
> > - IpIo = NULL;
> > - IpSender = IpIoFindSender (&IpIo, IP_VERSION_4, &Source);
> > -
> > - if (IpSender == NULL) {
> > - DEBUG ((EFI_D_WARN, "TcpSendIpPacket: No appropriate
> > IpSender.\n"));
> > - return -1;
> > - }
> > - } else {
> > -
> > - Sock = Tcb->Sk;
> > - TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
> > - IpIo = TcpProto->TcpService->IpIo;
> > - IpSender = Tcb->IpInfo;
> > - }
> > -
> > - Override.Ip4OverrideData.TypeOfService = 0;
> > - Override.Ip4OverrideData.TimeToLive = 255;
> > - Override.Ip4OverrideData.DoNotFragment = FALSE;
> > - Override.Ip4OverrideData.Protocol = EFI_IP_PROTO_TCP;
> > - ZeroMem (&Override.Ip4OverrideData.GatewayAddress, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&Override.Ip4OverrideData.SourceAddress, &Src, sizeof
> > (EFI_IPv4_ADDRESS));
> > -
> > - Status = IpIoSend (IpIo, Nbuf, IpSender, NULL, NULL, &Destination,
> > &Override);
> > -
> > - if (EFI_ERROR (Status)) {
> > - DEBUG ((EFI_D_ERROR, "TcpSendIpPacket: return %r error\n", Status));
> > - return -1;
> > - }
> > -
> > - return 0;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c
> > deleted file mode 100644
> > index d8fc68c0a97d..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c
> > +++ /dev/null
> > @@ -1,674 +0,0 @@
> > -/** @file
> > - Implementation of TCP4 protocol services.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "Tcp4Main.h"
> > -
> > -
> > -/**
> > - Check the integrity of the data buffer.
> > -
> > - @param DataLen The total length of the data buffer.
> > - @param FragmentCount The fragment count of the fragment
> table.
> > - @param FragmentTable Pointer to the fragment table of the
> data
> > - buffer.
> > -
> > - @retval EFI_SUCCESS The integrity check is passed.
> > - @retval EFI_INVALID_PARAMETER The integrity check is failed.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4ChkDataBuf (
> > - IN UINT32 DataLen,
> > - IN UINT32 FragmentCount,
> > - IN EFI_TCP4_FRAGMENT_DATA *FragmentTable
> > - )
> > -{
> > - UINT32 Index;
> > -
> > - UINT32 Len;
> > -
> > - for (Index = 0, Len = 0; Index < FragmentCount; Index++) {
> > - Len = Len + (UINT32) FragmentTable[Index].FragmentLength;
> > - }
> > -
> > - if (DataLen != Len) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Get the current operational status.
> > -
> > - The GetModeData() function copies the current operational settings of
> this
> > - EFI TCPv4 Protocol instance into user-supplied buffers. This function
> can
> > - also be used to retrieve the operational setting of underlying
> drivers
> > - such as IPv4, MNP, or SNP.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Tcp4State Pointer to the buffer to receive the
> current TCP
> > - state.
> > - @param Tcp4ConfigData Pointer to the buffer to receive the
> current
> > TCP
> > - configuration.
> > - @param Ip4ModeData Pointer to the buffer to receive the
> current
> > IPv4
> > - configuration data used by the TCPv4
> instance.
> > - @param MnpConfigData Pointer to the buffer to receive the
> current
> > MNP
> > - configuration data indirectly used
> by the TCPv4
> > - Instance.
> > - @param SnpModeData Pointer to the buffer to receive the
> current
> > SNP
> > - configuration data indirectly used
> by the TCPv4
> > - Instance.
> > -
> > - @retval EFI_SUCCESS The mode data was read.
> > - @retval EFI_NOT_STARTED No configuration data is available
> because
> > this
> > - instance hasn't been started.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4GetModeData (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - OUT EFI_TCP4_CONNECTION_STATE *Tcp4State OPTIONAL,
> > - OUT EFI_TCP4_CONFIG_DATA *Tcp4ConfigData OPTIONAL,
> > - OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,
> > - OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData
> > OPTIONAL,
> > - OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
> > - )
> > -{
> > - TCP4_MODE_DATA TcpMode;
> > - SOCKET *Sock;
> > -
> > - if (NULL == This) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - TcpMode.Tcp4State = Tcp4State;
> > - TcpMode.Tcp4ConfigData = Tcp4ConfigData;
> > - TcpMode.Ip4ModeData = Ip4ModeData;
> > - TcpMode.MnpConfigData = MnpConfigData;
> > - TcpMode.SnpModeData = SnpModeData;
> > -
> > - return SockGetMode (Sock, &TcpMode);
> > -}
> > -
> > -
> > -/**
> > - Initialize or brutally reset the operational parameters for
> > - this EFI TCPv4 instance.
> > -
> > - The Configure() function does the following:
> > - * Initialize this EFI TCPv4 instance, i.e., initialize the
> communication end
> > - setting, specify active open or passive open for an instance.
> > - * Reset this TCPv4 instance brutally, i.e., cancel all pending
> asynchronous
> > - tokens, flush transmission and receiving buffer directly without
> informing
> > - the communication peer.
> > - No other TCPv4 Protocol operation can be executed by this instance
> > - until it is configured properly. For an active TCP4 instance, after a
> proper
> > - configuration it may call Connect() to initiates the three-way
> handshake.
> > - For a passive TCP4 instance, its state will transit to
> Tcp4StateListen after
> > - configuration, and Accept() may be called to listen the incoming TCP
> > connection
> > - request. If TcpConfigData is set to NULL, the instance is reset.
> Resetting
> > - process will be done brutally, the state machine will be set to
> > Tcp4StateClosed
> > - directly, the receive queue and transmit queue will be flushed, and
> no
> > traffic is
> > - allowed through this instance.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param TcpConfigData Pointer to the configure data to
> configure the
> > - instance.
> > -
> > - @retval EFI_SUCCESS The operational settings are set,
> changed, or
> > - reset successfully.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (through DHCP, BOOTP, RARP, etc.) is
> not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_ACCESS_DENIED Configuring TCP instance when it is
> > already
> > - configured.
> > - @retval EFI_DEVICE_ERROR An unexpected network or system
> error
> > occurred.
> > - @retval EFI_UNSUPPORTED One or more of the control options
> are
> > not
> > - supported in the implementation.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough system
> > resources.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Configure (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CONFIG_DATA *TcpConfigData OPTIONAL
> > - )
> > -{
> > - EFI_TCP4_OPTION *Option;
> > - SOCKET *Sock;
> > - EFI_STATUS Status;
> > - IP4_ADDR Ip;
> > - IP4_ADDR SubnetMask;
> > -
> > - if (NULL == This) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // Tcp protocol related parameter check will be conducted here
> > - //
> > - if (NULL != TcpConfigData) {
> > -
> > - CopyMem (&Ip, &TcpConfigData->AccessPoint.RemoteAddress, sizeof
> > (IP4_ADDR));
> > - if (IP4_IS_LOCAL_BROADCAST (NTOHL (Ip))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (TcpConfigData->AccessPoint.ActiveFlag &&
> > - (0 == TcpConfigData->AccessPoint.RemotePort || (Ip == 0))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (!TcpConfigData->AccessPoint.UseDefaultAddress) {
> > -
> > - CopyMem (&Ip, &TcpConfigData->AccessPoint.StationAddress, sizeof
> > (IP4_ADDR));
> > - CopyMem (&SubnetMask, &TcpConfigData->AccessPoint.SubnetMask,
> > sizeof (IP4_ADDR));
> > - if (!IP4_IS_VALID_NETMASK (NTOHL (SubnetMask)) ||
> > - (SubnetMask != 0 && !NetIp4IsUnicast (NTOHL (Ip), NTOHL
> > (SubnetMask)))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - }
> > -
> > - Option = TcpConfigData->ControlOption;
> > - if ((NULL != Option) &&
> > - (Option->EnableSelectiveAck || Option->EnablePathMtuDiscovery))
> {
> > - return EFI_UNSUPPORTED;
> > - }
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - if (NULL == TcpConfigData) {
> > - return SockFlush (Sock);
> > - }
> > -
> > - Status = SockConfigure (Sock, TcpConfigData);
> > -
> > - if (EFI_NO_MAPPING == Status) {
> > - Sock->ConfigureState = SO_NO_MAPPING;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Add or delete routing entries.
> > -
> > - The Routes() function adds or deletes a route from the instance's
> routing
> > table.
> > - The most specific route is selected by comparing the SubnetAddress
> with
> > the
> > - destination IP address's arithmetical AND to the SubnetMask.
> > - The default route is added with both SubnetAddress and SubnetMask set
> > to 0.0.0.0.
> > - The default route matches all destination IP addresses if there is no
> more
> > specific route.
> > - Direct route is added with GatewayAddress set to 0.0.0.0. Packets are
> sent
> > to
> > - the destination host if its address can be found in the Address
> Resolution
> > Protocol (ARP)
> > - cache or it is on the local subnet. If the instance is configured to
> use default
> > - address, a direct route to the local network will be added
> automatically.
> > - Each TCP instance has its own independent routing table. Instance
> that
> > uses the
> > - default IP address will have a copy of the EFI_IP4_CONFIG_PROTOCOL's
> > routing table.
> > - The copy will be updated automatically whenever the IP driver
> > reconfigures its
> > - instance. As a result, the previous modification to the instance's
> local copy
> > - will be lost. The priority of checking the route table is specific
> with IP
> > - implementation and every IP implementation must comply with RFC 1122.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param DeleteRoute If TRUE, delete the specified route
> from
> > routing
> > - table; if FALSE, add the specified
> route to
> > - routing table.
> > - DestinationAddress and SubnetMask
> are used as
> > - the keywords to search route entry.
> > - @param SubnetAddress The destination network.
> > - @param SubnetMask The subnet mask for the destination
> network.
> > - @param GatewayAddress The gateway address for this route.
> > - It must be on the same subnet with
> the station
> > - address unless a direct route is
> specified.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance has
> not
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (through DHCP, BOOTP, RARP, etc.) is
> not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources
> > to add the
> > - entry to the routing table.
> > - @retval EFI_NOT_FOUND This route is not in the routing
> table.
> > - @retval EFI_ACCESS_DENIED This route is already in the routing
> table.
> > - @retval EFI_UNSUPPORTED The TCP driver does not support this
> > operation.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Routes (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN BOOLEAN DeleteRoute,
> > - IN EFI_IPv4_ADDRESS *SubnetAddress,
> > - IN EFI_IPv4_ADDRESS *SubnetMask,
> > - IN EFI_IPv4_ADDRESS *GatewayAddress
> > - )
> > -{
> > - SOCKET *Sock;
> > - TCP4_ROUTE_INFO RouteInfo;
> > -
> > - if (NULL == This) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - RouteInfo.DeleteRoute = DeleteRoute;
> > - RouteInfo.SubnetAddress = SubnetAddress;
> > - RouteInfo.SubnetMask = SubnetMask;
> > - RouteInfo.GatewayAddress = GatewayAddress;
> > -
> > - return SockRoute (Sock, &RouteInfo);
> > -}
> > -
> > -
> > -/**
> > - Initiate a nonblocking TCP connection request for an active TCP
> instance.
> > -
> > - The Connect() function will initiate an active open to the remote
> peer
> > configured
> > - in current TCP instance if it is configured active. If the connection
> succeeds
> > - or fails due to any error, the ConnectionToken->CompletionToken.Event
> > will be
> > - signaled and ConnectionToken->CompletionToken.Status will be updated
> > accordingly.
> > - This function can only be called for the TCP instance in
> Tcp4StateClosed
> > state.
> > - The instance will transfer into Tcp4StateSynSent if the function
> returns
> > EFI_SUCCESS.
> > - If TCP three way handshake succeeds, its state will become
> > Tcp4StateEstablished,
> > - otherwise, the state will return to Tcp4StateClosed.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param ConnectionToken Pointer to the connection token to
> return
> > when
> > - the TCP three way handshake finishes.
> > -
> > - @retval EFI_SUCCESS The connection request is
> successfully initiated
> > - and the state of this TCPv4 instance
> has
> > - been changed to Tcp4StateSynSent.
> > - @retval EFI_NOT_STARTED This EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED The instance is not configured as an
> active
> > one
> > - or it is not in Tcp4StateClosed
> state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES The driver can't allocate enough
> > resource to
> > - initiate the active open.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Connect (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CONNECTION_TOKEN *ConnectionToken
> > - )
> > -{
> > - SOCKET *Sock;
> > -
> > - if (NULL == This ||
> > - NULL == ConnectionToken ||
> > - NULL == ConnectionToken->CompletionToken.Event) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - return SockConnect (Sock, ConnectionToken);
> > -}
> > -
> > -
> > -/**
> > - Listen on the passive instance to accept an incoming connection
> request.
> > -
> > - The Accept() function initiates an asynchronous accept request to
> wait for
> > an
> > - incoming connection on the passive TCP instance. If a remote peer
> > successfully
> > - establishes a connection with this instance, a new TCP instance will
> be
> > created
> > - and its handle will be returned in ListenToken->NewChildHandle. The
> > newly created
> > - instance is configured by inheriting the passive instance's
> configuration and
> > is
> > - ready for use upon return. The instance is in the
> Tcp4StateEstablished state.
> > - The ListenToken->CompletionToken.Event will be signaled when a new
> > connection
> > - is accepted, user aborts the listen or connection is reset. This
> function only
> > - can be called when current TCP instance is in Tcp4StateListen state.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param ListenToken Pointer to the listen token to
> return when
> > - operation finishes.
> > -
> > - @retval EFI_SUCCESS The listen token has been queued
> successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED The instatnce is not a passive one
> or it is
> > not
> > - in Tcp4StateListen state or a same
> listen token
> > - has already existed in the listen
> token queue of
> > - this TCP instance.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources
> > to finish
> > - the operation.
> > - @retval EFI_DEVICE_ERROR Any unexpected and not belonged to
> > above category error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Accept (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_LISTEN_TOKEN *ListenToken
> > - )
> > -{
> > - SOCKET *Sock;
> > -
> > - if (NULL == This ||
> > - NULL == ListenToken ||
> > - NULL == ListenToken->CompletionToken.Event) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - return SockAccept (Sock, ListenToken);
> > -}
> > -
> > -
> > -/**
> > - Queues outgoing data into the transmit queue.
> > -
> > - The Transmit() function queues a sending request to this TCPv4
> instance
> > along
> > - with the user data. The status of the token is updated and the event
> in the
> > token
> > - will be signaled once the data is sent out or some error occurs.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param Token Pointer to the completion token to
> queue to the
> > - transmit queue
> > -
> > - @retval EFI_SUCCESS The data has been queued for
> transmission.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (DHCP, BOOTP, RARP, etc.) is not
> finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_ACCESS_DENIED One or more of the following
> conditions is
> > TRUE:
> > - * A transmit completion token with
> the same
> > - Token-> CompletionToken.Event was
> already in the
> > - transmission queue.
> > - * The current instance is in
> Tcp4StateClosed state
> > - * The current instance is a passive
> one and
> > - it is in Tcp4StateListen state.
> > - * User has called Close() to
> disconnect this
> > - connection.
> > - @retval EFI_NOT_READY The completion token could not be
> queued
> > because
> > - the transmit queue is full.
> > - @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data
> > because of
> > - resource shortage.
> > - @retval EFI_NETWORK_UNREACHABLE There is no route to the
> > destination network or
> > - address.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Transmit (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_IO_TOKEN *Token
> > - )
> > -{
> > - SOCKET *Sock;
> > - EFI_STATUS Status;
> > -
> > - if (NULL == This ||
> > - NULL == Token ||
> > - NULL == Token->CompletionToken.Event ||
> > - NULL == Token->Packet.TxData ||
> > - 0 == Token->Packet.TxData->FragmentCount ||
> > - 0 == Token->Packet.TxData->DataLength
> > - ) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = Tcp4ChkDataBuf (
> > - (UINT32) Token->Packet.TxData->DataLength,
> > - (UINT32) Token->Packet.TxData->FragmentCount,
> > - Token->Packet.TxData->FragmentTable
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - return SockSend (Sock, Token);
> > -
> > -}
> > -
> > -
> > -/**
> > - Place an asynchronous receive request into the receiving queue.
> > -
> > - The Receive() function places a completion token into the receive
> packet
> > queue.
> > - This function is always asynchronous. The caller must allocate the
> > - Token->CompletionToken.Event and the FragmentBuffer used to receive
> > data. He also
> > - must fill the DataLength which represents the whole length of all
> > FragmentBuffer.
> > - When the receive operation completes, the EFI TCPv4 Protocol driver
> > updates the
> > - Token->CompletionToken.Status and Token->Packet.RxData fields and the
> > - Token->CompletionToken.Event is signaled. If got data the data and
> its
> > length
> > - will be copy into the FragmentTable, in the same time the full length
> of
> > received
> > - data will be recorded in the DataLength fields. Providing a proper
> > notification
> > - function and context for the event will enable the user to receive
> the
> > notification
> > - and receiving status. That notification function is guaranteed to not
> be re-
> > entered.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Token Pointer to a token that is
> associated with the
> > - receive data descriptor.
> > -
> > - @retval EFI_SUCCESS The receive completion token was
> cached.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (DHCP, BOOTP, RARP, etc.) is not
> finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES The receive completion token could
> > not be queued
> > - due to a lack of system resources.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > - The EFI TCPv4 Protocol instance has
> been reset
> > - to startup defaults.
> > - @retval EFI_ACCESS_DENIED One or more of the following
> conditions is
> > TRUE:
> > - * A receive completion token with
> the same
> > - Token->CompletionToken.Event was
> already in
> > - the receive queue.
> > - * The current instance is in
> Tcp4StateClosed state.
> > - * The current instance is a passive
> one and it
> > - is in Tcp4StateListen state.
> > - * User has called Close() to
> disconnect this
> > - connection.
> > - @retval EFI_CONNECTION_FIN The communication peer has closed
> the
> > connection
> > - and there is no any buffered data in
> the receive
> > - buffer of this instance.
> > - @retval EFI_NOT_READY The receive request could not be
> queued
> > because
> > - the receive queue is full.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Receive (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_IO_TOKEN *Token
> > - )
> > -{
> > - SOCKET *Sock;
> > - EFI_STATUS Status;
> > -
> > - if (NULL == This ||
> > - NULL == Token ||
> > - NULL == Token->CompletionToken.Event ||
> > - NULL == Token->Packet.RxData ||
> > - 0 == Token->Packet.RxData->FragmentCount ||
> > - 0 == Token->Packet.RxData->DataLength
> > - ) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = Tcp4ChkDataBuf (
> > - (UINT32) Token->Packet.RxData->DataLength,
> > - (UINT32) Token->Packet.RxData->FragmentCount,
> > - Token->Packet.RxData->FragmentTable
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - return SockRcv (Sock, Token);
> > -
> > -}
> > -
> > -
> > -/**
> > - Disconnecting a TCP connection gracefully or reset a TCP connection.
> > -
> > - Initiate an asynchronous close token to TCP driver. After Close() is
> called,
> > - any buffered transmission data will be sent by TCP driver and the
> current
> > - instance will have a graceful close working flow described as RFC 793
> if
> > - AbortOnClose is set to FALSE, otherwise, a rest packet will be sent
> by TCP
> > - driver to fast disconnect this connection. When the close operation
> > completes
> > - successfully the TCP instance is in Tcp4StateClosed state, all
> pending
> > - asynchronous operation is signaled and any buffers used for TCP
> network
> > traffic
> > - is flushed.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param CloseToken Pointer to the close token to return
> when
> > - operation finishes.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED One or more of the following are
> TRUE:
> > - * Configure() has been called with
> TcpConfigData
> > - set to NULL and this function has
> not returned.
> > - * Previous Close() call on this
> instance has not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One ore more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resource
> to
> > finish the
> > - operation.
> > - @retval EFI_DEVICE_ERROR Any unexpected and not belonged to
> > above
> > - category error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Close (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CLOSE_TOKEN *CloseToken
> > - )
> > -{
> > - SOCKET *Sock;
> > -
> > - if (NULL == This ||
> > - NULL == CloseToken ||
> > - NULL == CloseToken->CompletionToken.Event) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - return SockClose (Sock, CloseToken, CloseToken->AbortOnClose);
> > -}
> > -
> > -
> > -/**
> > - Abort an asynchronous connection, listen, transmission or receive
> request.
> > -
> > - The Cancel() function aborts a pending connection, listen, transmit
> or
> > receive
> > - request. If Token is not NULL and the token is in the connection,
> listen,
> > - transmission or receive queue when it is being cancelled, its Token-
> >Status
> > - will be set to EFI_ABORTED and then Token->Event will be signaled. If
> the
> > token
> > - is not in one of the queues, which usually means that the
> asynchronous
> > operation
> > - has completed, EFI_NOT_FOUND is returned. If Token is NULL all
> > asynchronous token
> > - issued by Connect(), Accept(), Transmit() and Receive()will be
> aborted.
> > - NOTE: It has not been implemented currently.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Token Pointer to a token that has been
> issued by
> > - Connect(), Accept(), Transmit() or
> Receive(). If
> > - NULL, all pending tokens issued by
> above four
> > - functions will be aborted.
> > -
> > - @retval EFI_SUCCESS The asynchronous I/O request is
> aborted and
> > Token->Event
> > - is signaled.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > - @retval EFI_NOT_STARTED This instance hasn's been configured.
> > - @retval EFI_NO_MAPPING When using the default address,
> > configuration
> > - (DHCP, BOOTP,RARP, etc.) hasn's
> finished yet.
> > - @retval EFI_NOT_FOUND The asynchronous I/O request isn's
> found
> > in the
> > - transmission or receive queue. It
> has either
> > - completed or wasn's issued by
> Transmit() and Receive().
> > - @retval EFI_UNSUPPORTED The operation is not supported in
> current
> > - implementation.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Cancel (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_COMPLETION_TOKEN *Token OPTIONAL
> > - )
> > -{
> > - return EFI_UNSUPPORTED;
> > -}
> > -
> > -
> > -/**
> > - Poll to receive incoming data and transmit outgoing segments.
> > -
> > - The Poll() function increases the rate that data is moved between the
> > network
> > - and application and can be called when the TCP instance is created
> > successfully.
> > - Its use is optional. In some implementations, the periodical timer in
> the
> > MNP
> > - driver may not poll the underlying communications device fast enough
> to
> > avoid
> > - drop packets. Drivers and applications that are experiencing packet
> loss
> > should
> > - try calling the Poll() function in a high frequency.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > -
> > - @retval EFI_SUCCESS Incoming or outgoing data was
> processed.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > - @retval EFI_NOT_READY No incoming or outgoing data was
> > processed.
> > - @retval EFI_TIMEOUT Data was dropped out of the
> transmission or
> > - receive queue. Consider increasing
> the polling
> > - rate.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Poll (
> > - IN EFI_TCP4_PROTOCOL *This
> > - )
> > -{
> > - SOCKET *Sock;
> > - EFI_STATUS Status;
> > -
> > - if (NULL == This) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Sock = SOCK_FROM_THIS (This);
> > -
> > - Status = Sock->ProtoHandler (Sock, SOCK_POLL, NULL);
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
> > deleted file mode 100644
> > index 7fd8bb1fbe09..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Misc.c
> > +++ /dev/null
> > @@ -1,940 +0,0 @@
> > -/** @file
> > - Misc support routines for tcp.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "Tcp4Main.h"
> > -
> > -#include <Library/DevicePathLib.h>
> > -
> > -LIST_ENTRY mTcpRunQue = {
> > - &mTcpRunQue,
> > - &mTcpRunQue
> > -};
> > -
> > -LIST_ENTRY mTcpListenQue = {
> > - &mTcpListenQue,
> > - &mTcpListenQue
> > -};
> > -
> > -TCP_SEQNO mTcpGlobalIss = 0x4d7e980b;
> > -
> > -CHAR16 *mTcpStateName[] = {
> > - L"TCP_CLOSED",
> > - L"TCP_LISTEN",
> > - L"TCP_SYN_SENT",
> > - L"TCP_SYN_RCVD",
> > - L"TCP_ESTABLISHED",
> > - L"TCP_FIN_WAIT_1",
> > - L"TCP_FIN_WAIT_2",
> > - L"TCP_CLOSING",
> > - L"TCP_TIME_WAIT",
> > - L"TCP_CLOSE_WAIT",
> > - L"TCP_LAST_ACK"
> > -};
> > -
> > -
> > -/**
> > - Initialize the Tcb local related members.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpInitTcbLocal (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - //
> > - // Compute the checksum of the fixed parts of pseudo header
> > - //
> > - Tcb->HeadSum = NetPseudoHeadChecksum (
> > - Tcb->LocalEnd.Ip,
> > - Tcb->RemoteEnd.Ip,
> > - 0x06,
> > - 0
> > - );
> > -
> > - Tcb->Iss = TcpGetIss ();
> > - Tcb->SndUna = Tcb->Iss;
> > - Tcb->SndNxt = Tcb->Iss;
> > -
> > - Tcb->SndWl2 = Tcb->Iss;
> > - Tcb->SndWnd = 536;
> > -
> > - Tcb->RcvWnd = GET_RCV_BUFFSIZE (Tcb->Sk);
> > -
> > - //
> > - // First window size is never scaled
> > - //
> > - Tcb->RcvWndScale = 0;
> > - Tcb->RetxmitSeqMax = 0;
> > -
> > - Tcb->ProbeTimerOn = FALSE;
> > -}
> > -
> > -
> > -/**
> > - Initialize the peer related members.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param Seg Pointer to the segment that contains
> the peer's
> > - intial info.
> > - @param Opt Pointer to the options announced by the
> peer.
> > -
> > -**/
> > -VOID
> > -TcpInitTcbPeer (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg,
> > - IN TCP_OPTION *Opt
> > - )
> > -{
> > - UINT16 RcvMss;
> > -
> > - ASSERT ((Tcb != NULL) && (Seg != NULL) && (Opt != NULL));
> > - ASSERT (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN));
> > -
> > - Tcb->SndWnd = Seg->Wnd;
> > - Tcb->SndWndMax = Tcb->SndWnd;
> > - Tcb->SndWl1 = Seg->Seq;
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_ACK)) {
> > - Tcb->SndWl2 = Seg->Ack;
> > - } else {
> > - Tcb->SndWl2 = Tcb->Iss + 1;
> > - }
> > -
> > - if (TCP_FLG_ON (Opt->Flag, TCP_OPTION_RCVD_MSS)) {
> > - Tcb->SndMss = (UINT16) MAX (64, Opt->Mss);
> > -
> > - RcvMss = TcpGetRcvMss (Tcb->Sk);
> > - if (Tcb->SndMss > RcvMss) {
> > - Tcb->SndMss = RcvMss;
> > - }
> > -
> > - } else {
> > - //
> > - // One end doesn't support MSS option, use default.
> > - //
> > - Tcb->RcvMss = 536;
> > - }
> > -
> > - Tcb->CWnd = Tcb->SndMss;
> > -
> > - Tcb->Irs = Seg->Seq;
> > - Tcb->RcvNxt = Tcb->Irs + 1;
> > -
> > - Tcb->RcvWl2 = Tcb->RcvNxt;
> > -
> > - if (TCP_FLG_ON (Opt->Flag, TCP_OPTION_RCVD_WS) &&
> > - !TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS)) {
> > -
> > - Tcb->SndWndScale = Opt->WndScale;
> > -
> > - Tcb->RcvWndScale = TcpComputeScale (Tcb);
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_RCVD_WS);
> > -
> > - } else {
> > - //
> > - // One end doesn't support window scale option. use zero.
> > - //
> > - Tcb->RcvWndScale = 0;
> > - }
> > -
> > - if (TCP_FLG_ON (Opt->Flag, TCP_OPTION_RCVD_TS) &&
> > - !TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS)) {
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_TS);
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_RCVD_TS);
> > -
> > - Tcb->TsRecent = Opt->TSVal;
> > -
> > - //
> > - // Compute the effective SndMss per RFC1122
> > - // section 4.2.2.6. If timestamp option is
> > - // enabled, it will always occupy 12 bytes.
> > - //
> > - Tcb->SndMss -= TCP_OPTION_TS_ALIGNED_LEN;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Locate a listen TCB that matchs the Local and Remote.
> > -
> > - @param Local Pointer to the local (IP, Port).
> > - @param Remote Pointer to the remote (IP, Port).
> > -
> > - @return Pointer to the TCP_CB with the least number of wildcard,
> > - if NULL no match is found.
> > -
> > -**/
> > -TCP_CB *
> > -TcpLocateListenTcb (
> > - IN TCP_PEER *Local,
> > - IN TCP_PEER *Remote
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - TCP_CB *Node;
> > - TCP_CB *Match;
> > - INTN Last;
> > - INTN Cur;
> > -
> > - Last = 4;
> > - Match = NULL;
> > -
> > - NET_LIST_FOR_EACH (Entry, &mTcpListenQue) {
> > - Node = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if ((Local->Port != Node->LocalEnd.Port) ||
> > - !TCP_PEER_MATCH (Remote, &Node->RemoteEnd) ||
> > - !TCP_PEER_MATCH (Local, &Node->LocalEnd)) {
> > -
> > - continue;
> > - }
> > -
> > - //
> > - // Compute the number of wildcard
> > - //
> > - Cur = 0;
> > - if (Node->RemoteEnd.Ip == 0) {
> > - Cur++;
> > - }
> > -
> > - if (Node->RemoteEnd.Port == 0) {
> > - Cur++;
> > - }
> > -
> > - if (Node->LocalEnd.Ip == 0) {
> > - Cur++;
> > - }
> > -
> > - if (Cur < Last) {
> > - if (Cur == 0) {
> > - return Node;
> > - }
> > -
> > - Last = Cur;
> > - Match = Node;
> > - }
> > - }
> > -
> > - return Match;
> > -}
> > -
> > -
> > -/**
> > - Try to find one Tcb whose <Ip, Port> equals to <IN Addr, IN Port>.
> > -
> > - @param Addr Pointer to the IP address needs to
> match.
> > - @param Port The port number needs to match.
> > -
> > - @return The Tcb which matches the <Addr Port> paire exists or not.
> > -
> > -**/
> > -BOOLEAN
> > -TcpFindTcbByPeer (
> > - IN EFI_IPv4_ADDRESS *Addr,
> > - IN TCP_PORTNO Port
> > - )
> > -{
> > - TCP_PORTNO LocalPort;
> > - LIST_ENTRY *Entry;
> > - TCP_CB *Tcb;
> > -
> > - ASSERT ((Addr != NULL) && (Port != 0));
> > -
> > - LocalPort = HTONS (Port);
> > -
> > - NET_LIST_FOR_EACH (Entry, &mTcpListenQue) {
> > - Tcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if (EFI_IP4_EQUAL (Addr, &Tcb->LocalEnd.Ip) &&
> > - (LocalPort == Tcb->LocalEnd.Port)) {
> > -
> > - return TRUE;
> > - }
> > - }
> > -
> > - NET_LIST_FOR_EACH (Entry, &mTcpRunQue) {
> > - Tcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if (EFI_IP4_EQUAL (Addr, &Tcb->LocalEnd.Ip) &&
> > - (LocalPort == Tcb->LocalEnd.Port)) {
> > -
> > - return TRUE;
> > - }
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -
> > -/**
> > - Locate the TCP_CB related to the socket pair.
> > -
> > - @param LocalPort The local port number.
> > - @param LocalIp The local IP address.
> > - @param RemotePort The remote port number.
> > - @param RemoteIp The remote IP address.
> > - @param Syn Whether to search the listen sockets,
> if TRUE, the
> > - listen sockets are searched.
> > -
> > - @return Pointer to the related TCP_CB, if NULL no match is found.
> > -
> > -**/
> > -TCP_CB *
> > -TcpLocateTcb (
> > - IN TCP_PORTNO LocalPort,
> > - IN UINT32 LocalIp,
> > - IN TCP_PORTNO RemotePort,
> > - IN UINT32 RemoteIp,
> > - IN BOOLEAN Syn
> > - )
> > -{
> > - TCP_PEER Local;
> > - TCP_PEER Remote;
> > - LIST_ENTRY *Entry;
> > - TCP_CB *Tcb;
> > -
> > - Local.Port = LocalPort;
> > - Local.Ip = LocalIp;
> > -
> > - Remote.Port = RemotePort;
> > - Remote.Ip = RemoteIp;
> > -
> > - //
> > - // First check for exact match.
> > - //
> > - NET_LIST_FOR_EACH (Entry, &mTcpRunQue) {
> > - Tcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if (TCP_PEER_EQUAL (&Remote, &Tcb->RemoteEnd) &&
> > - TCP_PEER_EQUAL (&Local, &Tcb->LocalEnd)) {
> > -
> > - RemoveEntryList (&Tcb->List);
> > - InsertHeadList (&mTcpRunQue, &Tcb->List);
> > -
> > - return Tcb;
> > - }
> > - }
> > -
> > - //
> > - // Only check listen queue when SYN flag is on
> > - //
> > - if (Syn) {
> > - return TcpLocateListenTcb (&Local, &Remote);
> > - }
> > -
> > - return NULL;
> > -}
> > -
> > -
> > -/**
> > - Insert a Tcb into the proper queue.
> > -
> > - @param Tcb Pointer to the TCP_CB to be inserted.
> > -
> > - @retval 0 The Tcb is inserted successfully.
> > - @retval -1 Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpInsertTcb (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - LIST_ENTRY *Head;
> > - TCP_CB *Node;
> > -
> > - ASSERT (
> > - (Tcb != NULL) &&
> > - ((Tcb->State == TCP_LISTEN) ||
> > - (Tcb->State == TCP_SYN_SENT) ||
> > - (Tcb->State == TCP_SYN_RCVD) ||
> > - (Tcb->State == TCP_CLOSED))
> > - );
> > -
> > - if (Tcb->LocalEnd.Port == 0) {
> > - return -1;
> > - }
> > -
> > - Head = &mTcpRunQue;
> > -
> > - if (Tcb->State == TCP_LISTEN) {
> > - Head = &mTcpListenQue;
> > - }
> > -
> > - //
> > - // Check that Tcb isn't already on the list.
> > - //
> > - NET_LIST_FOR_EACH (Entry, Head) {
> > - Node = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if (TCP_PEER_EQUAL (&Tcb->LocalEnd, &Node->LocalEnd) &&
> > - TCP_PEER_EQUAL (&Tcb->RemoteEnd, &Node->RemoteEnd)) {
> > -
> > - return -1;
> > - }
> > - }
> > -
> > - InsertHeadList (Head, &Tcb->List);
> > -
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Clone a TCB_CB from Tcb.
> > -
> > - @param Tcb Pointer to the TCP_CB to be cloned.
> > -
> > - @return Pointer to the new cloned TCP_CB, if NULL error condition
> > occurred.
> > -
> > -**/
> > -TCP_CB *
> > -TcpCloneTcb (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - TCP_CB *Clone;
> > -
> > - Clone = AllocatePool (sizeof (TCP_CB));
> > -
> > - if (Clone == NULL) {
> > - return NULL;
> > -
> > - }
> > -
> > - CopyMem (Clone, Tcb, sizeof (TCP_CB));
> > -
> > - //
> > - // Increate the reference count of the shared IpInfo.
> > - //
> > - NET_GET_REF (Tcb->IpInfo);
> > -
> > - InitializeListHead (&Clone->List);
> > - InitializeListHead (&Clone->SndQue);
> > - InitializeListHead (&Clone->RcvQue);
> > -
> > - Clone->Sk = SockClone (Tcb->Sk);
> > - if (Clone->Sk == NULL) {
> > - DEBUG ((EFI_D_ERROR, "TcpCloneTcb: failed to clone a sock\n"));
> > - FreePool (Clone);
> > - return NULL;
> > - }
> > -
> > - ((TCP4_PROTO_DATA *) (Clone->Sk->ProtoReserved))->TcpPcb = Clone;
> > -
> > - return Clone;
> > -}
> > -
> > -
> > -/**
> > - Compute an ISS to be used by a new connection.
> > -
> > - @return The result ISS.
> > -
> > -**/
> > -TCP_SEQNO
> > -TcpGetIss (
> > - VOID
> > - )
> > -{
> > - mTcpGlobalIss += 2048;
> > - return mTcpGlobalIss;
> > -}
> > -
> > -
> > -/**
> > - Get the local mss.
> > -
> > - @param Sock Pointer to the socket to get mss
> > -
> > - @return The mss size.
> > -
> > -**/
> > -UINT16
> > -TcpGetRcvMss (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - EFI_IP4_MODE_DATA Ip4Mode;
> > - TCP4_PROTO_DATA *TcpProto;
> > - EFI_IP4_PROTOCOL *Ip;
> > -
> > - ASSERT (Sock != NULL);
> > -
> > - TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
> > - Ip = TcpProto->TcpService->IpIo->Ip.Ip4;
> > - ASSERT (Ip != NULL);
> > -
> > - Ip->GetModeData (Ip, &Ip4Mode, NULL, NULL);
> > -
> > - return (UINT16) (Ip4Mode.MaxPacketSize - sizeof (TCP_HEAD));
> > -}
> > -
> > -
> > -/**
> > - Set the Tcb's state.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param State The state to be set.
> > -
> > -**/
> > -VOID
> > -TcpSetState (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT8 State
> > - )
> > -{
> > - ASSERT (Tcb->State < (sizeof (mTcpStateName) / sizeof (CHAR16 *)));
> > - ASSERT (State < (sizeof (mTcpStateName) / sizeof (CHAR16 *)));
> > -
> > - DEBUG (
> > - (EFI_D_NET,
> > - "Tcb (%p) state %s --> %s\n",
> > - Tcb,
> > - mTcpStateName[Tcb->State],
> > - mTcpStateName[State])
> > - );
> > -
> > - Tcb->State = State;
> > -
> > - switch (State) {
> > - case TCP_ESTABLISHED:
> > -
> > - SockConnEstablished (Tcb->Sk);
> > -
> > - if (Tcb->Parent != NULL) {
> > - //
> > - // A new connection is accepted by a listening socket, install
> > - // the device path.
> > - //
> > - TcpInstallDevicePath (Tcb->Sk);
> > - }
> > -
> > - break;
> > -
> > - case TCP_CLOSED:
> > -
> > - SockConnClosed (Tcb->Sk);
> > -
> > - break;
> > - default:
> > - break;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Compute the TCP segment's checksum.
> > -
> > - @param Nbuf Pointer to the buffer that contains the
> TCP
> > - segment.
> > - @param HeadSum The checksum value of the fixed part of
> pseudo
> > - header.
> > -
> > - @return The checksum value.
> > -
> > -**/
> > -UINT16
> > -TcpChecksum (
> > - IN NET_BUF *Nbuf,
> > - IN UINT16 HeadSum
> > - )
> > -{
> > - UINT16 Checksum;
> > -
> > - Checksum = NetbufChecksum (Nbuf);
> > - Checksum = NetAddChecksum (Checksum, HeadSum);
> > -
> > - Checksum = NetAddChecksum (
> > - Checksum,
> > - HTONS ((UINT16) Nbuf->TotalSize)
> > - );
> > -
> > - return (UINT16) ~Checksum;
> > -}
> > -
> > -/**
> > - Translate the information from the head of the received TCP
> > - segment Nbuf contains and fill it into a TCP_SEG structure.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param Nbuf Pointer to the buffer contains the TCP
> segment.
> > -
> > - @return Pointer to the TCP_SEG that contains the translated TCP head
> > information.
> > -
> > -**/
> > -TCP_SEG *
> > -TcpFormatNetbuf (
> > - IN TCP_CB *Tcb,
> > - IN OUT NET_BUF *Nbuf
> > - )
> > -{
> > - TCP_SEG *Seg;
> > - TCP_HEAD *Head;
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Head = (TCP_HEAD *) NetbufGetByte (Nbuf, 0, NULL);
> > - ASSERT (Head != NULL);
> > - Nbuf->Tcp = Head;
> > -
> > - Seg->Seq = NTOHL (Head->Seq);
> > - Seg->Ack = NTOHL (Head->Ack);
> > - Seg->End = Seg->Seq + (Nbuf->TotalSize - (Head->HeadLen << 2));
> > -
> > - Seg->Urg = NTOHS (Head->Urg);
> > - Seg->Wnd = (NTOHS (Head->Wnd) << Tcb->SndWndScale);
> > - Seg->Flag = Head->Flag;
> > -
> > - //
> > - // SYN and FIN flag occupy one sequence space each.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > - //
> > - // RFC requires that initial window not be scaled
> > - //
> > - Seg->Wnd = NTOHS (Head->Wnd);
> > - Seg->End++;
> > - }
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_FIN)) {
> > - Seg->End++;
> > - }
> > -
> > - return Seg;
> > -}
> > -
> > -
> > -/**
> > - Reset the connection related with Tcb.
> > -
> > - @param Tcb Pointer to the TCP_CB of the connection
> to be
> > - reset.
> > -
> > -**/
> > -VOID
> > -TcpResetConnection (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - TCP_HEAD *Nhead;
> > -
> > - Nbuf = NetbufAlloc (TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - return ;
> > - }
> > -
> > - Nhead = (TCP_HEAD *) NetbufAllocSpace (
> > - Nbuf,
> > - sizeof (TCP_HEAD),
> > - NET_BUF_TAIL
> > - );
> > -
> > - ASSERT (Nhead != NULL);
> > -
> > - Nbuf->Tcp = Nhead;
> > -
> > - Nhead->Flag = TCP_FLG_RST;
> > - Nhead->Seq = HTONL (Tcb->SndNxt);
> > - Nhead->Ack = HTONL (Tcb->RcvNxt);
> > - Nhead->SrcPort = Tcb->LocalEnd.Port;
> > - Nhead->DstPort = Tcb->RemoteEnd.Port;
> > - Nhead->HeadLen = (UINT8) (sizeof (TCP_HEAD) >> 2);
> > - Nhead->Res = 0;
> > - Nhead->Wnd = HTONS (0xFFFF);
> > - Nhead->Checksum = 0;
> > - Nhead->Urg = 0;
> > - Nhead->Checksum = TcpChecksum (Nbuf, Tcb->HeadSum);
> > -
> > - TcpSendIpPacket (Tcb, Nbuf, Tcb->LocalEnd.Ip, Tcb->RemoteEnd.Ip);
> > -
> > - NetbufFree (Nbuf);
> > -}
> > -
> > -
> > -/**
> > - Initialize an active connection.
> > -
> > - @param Tcb Pointer to the TCP_CB that wants to
> initiate a
> > - connection.
> > -
> > -**/
> > -VOID
> > -TcpOnAppConnect (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - TcpInitTcbLocal (Tcb);
> > - TcpSetState (Tcb, TCP_SYN_SENT);
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_CONNECT, Tcb->ConnectTimeout);
> > - TcpToSendData (Tcb, 1);
> > -}
> > -
> > -
> > -/**
> > - Initiate the connection close procedure, called when
> > - applications want to close the connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppClose (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - ASSERT (Tcb != NULL);
> > -
> > - if (!IsListEmpty (&Tcb->RcvQue) || GET_RCV_DATASIZE (Tcb->Sk) != 0) {
> > -
> > - DEBUG ((EFI_D_WARN, "TcpOnAppClose: connection reset "
> > - "because data is lost for TCB %p\n", Tcb));
> > -
> > - TcpResetConnection (Tcb);
> > - TcpClose (Tcb);
> > - return;
> > - }
> > -
> > - switch (Tcb->State) {
> > - case TCP_CLOSED:
> > - case TCP_LISTEN:
> > - case TCP_SYN_SENT:
> > - TcpSetState (Tcb, TCP_CLOSED);
> > - break;
> > -
> > - case TCP_SYN_RCVD:
> > - case TCP_ESTABLISHED:
> > - TcpSetState (Tcb, TCP_FIN_WAIT_1);
> > - break;
> > -
> > - case TCP_CLOSE_WAIT:
> > - TcpSetState (Tcb, TCP_LAST_ACK);
> > - break;
> > - default:
> > - break;
> > - }
> > -
> > - TcpToSendData (Tcb, 1);
> > -}
> > -
> > -
> > -/**
> > - Check whether the application's newly delivered data can be sent out.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > - @retval 0 Whether the data is sent out or is
> buffered for
> > - further sending.
> > - @retval -1 The Tcb is not in a state that data is
> permitted to
> > - be sent out.
> > -
> > -**/
> > -INTN
> > -TcpOnAppSend (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > -
> > - switch (Tcb->State) {
> > - case TCP_CLOSED:
> > - return -1;
> > -
> > - case TCP_LISTEN:
> > - return -1;
> > -
> > - case TCP_SYN_SENT:
> > - case TCP_SYN_RCVD:
> > - return 0;
> > -
> > - case TCP_ESTABLISHED:
> > - case TCP_CLOSE_WAIT:
> > - TcpToSendData (Tcb, 0);
> > - return 0;
> > -
> > - case TCP_FIN_WAIT_1:
> > - case TCP_FIN_WAIT_2:
> > - case TCP_CLOSING:
> > - case TCP_LAST_ACK:
> > - case TCP_TIME_WAIT:
> > - return -1;
> > -
> > - default:
> > - break;
> > - }
> > -
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Application has consumed some data, check whether
> > - to send a window updata ack or a delayed ack.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppConsume (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - UINT32 TcpOld;
> > -
> > - switch (Tcb->State) {
> > - case TCP_CLOSED:
> > - return;
> > -
> > - case TCP_LISTEN:
> > - return;
> > -
> > - case TCP_SYN_SENT:
> > - case TCP_SYN_RCVD:
> > - return;
> > -
> > - case TCP_ESTABLISHED:
> > - TcpOld = TcpRcvWinOld (Tcb);
> > - if (TcpRcvWinNow (Tcb) > TcpOld) {
> > -
> > - if (TcpOld < Tcb->RcvMss) {
> > -
> > - DEBUG ((EFI_D_NET, "TcpOnAppConsume: send a window"
> > - " update for a window closed Tcb %p\n", Tcb));
> > -
> > - TcpSendAck (Tcb);
> > - } else if (Tcb->DelayedAck == 0) {
> > -
> > - DEBUG ((EFI_D_NET, "TcpOnAppConsume: scheduled a delayed"
> > - " ACK to update window for Tcb %p\n", Tcb));
> > -
> > - Tcb->DelayedAck = 1;
> > - }
> > - }
> > -
> > - break;
> > -
> > - case TCP_CLOSE_WAIT:
> > - return;
> > -
> > - case TCP_FIN_WAIT_1:
> > - case TCP_FIN_WAIT_2:
> > - case TCP_CLOSING:
> > - case TCP_LAST_ACK:
> > - case TCP_TIME_WAIT:
> > - return;
> > -
> > - default:
> > - break;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Abort the connection by sending a reset segment, called
> > - when the application wants to abort the connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of the TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppAbort (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - DEBUG ((EFI_D_WARN, "TcpOnAppAbort: connection reset "
> > - "issued by application for TCB %p\n", Tcb));
> > -
> > - switch (Tcb->State) {
> > - case TCP_SYN_RCVD:
> > - case TCP_ESTABLISHED:
> > - case TCP_FIN_WAIT_1:
> > - case TCP_FIN_WAIT_2:
> > - case TCP_CLOSE_WAIT:
> > - TcpResetConnection (Tcb);
> > - break;
> > - default:
> > - break;
> > - }
> > -
> > - TcpSetState (Tcb, TCP_CLOSED);
> > -}
> > -
> > -/**
> > - Install the device path protocol on the TCP instance.
> > -
> > - @param Sock Pointer to the socket representing the TCP
> instance.
> > -
> > - @retval EFI_SUCCESS The device path protocol is installed.
> > - @retval other Failed to install the device path protocol.
> > -
> > -**/
> > -EFI_STATUS
> > -TcpInstallDevicePath (
> > - IN SOCKET *Sock
> > - )
> > -{
> > - TCP4_PROTO_DATA *TcpProto;
> > - TCP4_SERVICE_DATA *TcpService;
> > - TCP_CB *Tcb;
> > - IPv4_DEVICE_PATH Ip4DPathNode;
> > - EFI_STATUS Status;
> > - TCP_PORTNO LocalPort;
> > - TCP_PORTNO RemotePort;
> > -
> > - TcpProto = (TCP4_PROTO_DATA *) Sock->ProtoReserved;
> > - TcpService = TcpProto->TcpService;
> > - Tcb = TcpProto->TcpPcb;
> > -
> > - LocalPort = NTOHS (Tcb->LocalEnd.Port);
> > - RemotePort = NTOHS (Tcb->RemoteEnd.Port);
> > - NetLibCreateIPv4DPathNode (
> > - &Ip4DPathNode,
> > - TcpService->ControllerHandle,
> > - Tcb->LocalEnd.Ip,
> > - LocalPort,
> > - Tcb->RemoteEnd.Ip,
> > - RemotePort,
> > - EFI_IP_PROTO_TCP,
> > - Tcb->UseDefaultAddr
> > - );
> > -
> > - IP4_COPY_ADDRESS (&Ip4DPathNode.SubnetMask, &Tcb->SubnetMask);
> > -
> > - Sock->DevicePath = AppendDevicePathNode (
> > - Sock->ParentDevicePath,
> > - (EFI_DEVICE_PATH_PROTOCOL *) &Ip4DPathNode
> > - );
> > - if (Sock->DevicePath == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Status = gBS->InstallProtocolInterface (
> > - &Sock->SockHandle,
> > - &gEfiDevicePathProtocolGuid,
> > - EFI_NATIVE_INTERFACE,
> > - Sock->DevicePath
> > - );
> > - if (EFI_ERROR (Status)) {
> > - FreePool (Sock->DevicePath);
> > - }
> > -
> > - return Status;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.c
> > deleted file mode 100644
> > index e84310f6c693..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.c
> > +++ /dev/null
> > @@ -1,352 +0,0 @@
> > -/** @file
> > - Routines to process TCP option.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -/**
> > - Get a UINT16 value from buffer.
> > -
> > - @param Buf Pointer to input buffer.
> > -
> > - @return The UINT16 value get from buffer.
> > -
> > -**/
> > -UINT16
> > -TcpGetUint16 (
> > - IN UINT8 *Buf
> > - )
> > -{
> > - UINT16 Value;
> > - CopyMem (&Value, Buf, sizeof (UINT16));
> > - return NTOHS (Value);
> > -}
> > -
> > -/**
> > - Get a UINT32 value from buffer.
> > -
> > - @param Buf Pointer to input buffer.
> > -
> > - @return The UINT32 value get from buffer.
> > -
> > -**/
> > -UINT32
> > -TcpGetUint32 (
> > - IN UINT8 *Buf
> > - )
> > -{
> > - UINT32 Value;
> > - CopyMem (&Value, Buf, sizeof (UINT32));
> > - return NTOHL (Value);
> > -}
> > -
> > -/**
> > - Put a UINT32 value in buffer.
> > -
> > - @param Buf Pointer to the buffer.
> > - @param Data The UINT32 Date to put in buffer
> > -
> > -**/
> > -VOID
> > -TcpPutUint32 (
> > - OUT UINT8 *Buf,
> > - IN UINT32 Data
> > - )
> > -{
> > - Data = HTONL (Data);
> > - CopyMem (Buf, &Data, sizeof (UINT32));
> > -}
> > -
> > -
> > -/**
> > - Compute the window scale value according to the given buffer size.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The scale value.
> > -
> > -**/
> > -UINT8
> > -TcpComputeScale (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - UINT8 Scale;
> > - UINT32 BufSize;
> > -
> > - ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL));
> > -
> > - BufSize = GET_RCV_BUFFSIZE (Tcb->Sk);
> > -
> > - Scale = 0;
> > - while ((Scale < TCP_OPTION_MAX_WS) &&
> > - ((UINT32) (TCP_OPTION_MAX_WIN << Scale) < BufSize)) {
> > -
> > - Scale++;
> > - }
> > -
> > - return Scale;
> > -}
> > -
> > -
> > -/**
> > - Build the TCP option in three-way handshake.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer to store the options.
> > -
> > - @return The total length of the TCP option field.
> > -
> > -**/
> > -UINT16
> > -TcpSynBuildOption (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - UINT8 *Data;
> > - UINT16 Len;
> > -
> > - ASSERT ((Tcb != NULL) && (Nbuf != NULL) && (Nbuf->Tcp == NULL));
> > -
> > - Len = 0;
> > -
> > - //
> > - // Add timestamp option if not disabled by application
> > - // and it is the first SYN segment or the peer has sent
> > - // us its timestamp.
> > - //
> > - if (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_TS) &&
> > - (!TCP_FLG_ON (TCPSEG_NETBUF (Nbuf)->Flag, TCP_FLG_ACK) ||
> > - TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_TS))) {
> > -
> > - Data = NetbufAllocSpace (
> > - Nbuf,
> > - TCP_OPTION_TS_ALIGNED_LEN,
> > - NET_BUF_HEAD
> > - );
> > -
> > - ASSERT (Data != NULL);
> > - Len += TCP_OPTION_TS_ALIGNED_LEN;
> > -
> > - TcpPutUint32 (Data, TCP_OPTION_TS_FAST);
> > - TcpPutUint32 (Data + 4, mTcpTick);
> > - TcpPutUint32 (Data + 8, 0);
> > - }
> > -
> > - //
> > - // Build window scale option, only when are configured
> > - // to send WS option, and either we are doing active
> > - // open or we have received WS option from peer.
> > - //
> > - if (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_WS) &&
> > - (!TCP_FLG_ON (TCPSEG_NETBUF (Nbuf)->Flag, TCP_FLG_ACK) ||
> > - TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RCVD_WS))) {
> > -
> > - Data = NetbufAllocSpace (
> > - Nbuf,
> > - TCP_OPTION_WS_ALIGNED_LEN,
> > - NET_BUF_HEAD
> > - );
> > -
> > - ASSERT (Data != NULL);
> > -
> > - Len += TCP_OPTION_WS_ALIGNED_LEN;
> > - TcpPutUint32 (Data, TCP_OPTION_WS_FAST | TcpComputeScale (Tcb));
> > - }
> > -
> > - //
> > - // Build MSS option
> > - //
> > - Data = NetbufAllocSpace (Nbuf, TCP_OPTION_MSS_LEN, 1);
> > - ASSERT (Data != NULL);
> > -
> > - Len += TCP_OPTION_MSS_LEN;
> > - TcpPutUint32 (Data, TCP_OPTION_MSS_FAST | Tcb->RcvMss);
> > -
> > - return Len;
> > -}
> > -
> > -
> > -/**
> > - Build the TCP option in synchronized states.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer to store the options.
> > -
> > - @return The total length of the TCP option field.
> > -
> > -**/
> > -UINT16
> > -TcpBuildOption (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - UINT8 *Data;
> > - UINT16 Len;
> > -
> > - ASSERT ((Tcb != NULL) && (Nbuf != NULL) && (Nbuf->Tcp == NULL));
> > - Len = 0;
> > -
> > - //
> > - // Build Timestamp option
> > - //
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_SND_TS) &&
> > - !TCP_FLG_ON (TCPSEG_NETBUF (Nbuf)->Flag, TCP_FLG_RST)) {
> > -
> > - Data = NetbufAllocSpace (
> > - Nbuf,
> > - TCP_OPTION_TS_ALIGNED_LEN,
> > - NET_BUF_HEAD
> > - );
> > -
> > - ASSERT (Data != NULL);
> > - Len += TCP_OPTION_TS_ALIGNED_LEN;
> > -
> > - TcpPutUint32 (Data, TCP_OPTION_TS_FAST);
> > - TcpPutUint32 (Data + 4, mTcpTick);
> > - TcpPutUint32 (Data + 8, Tcb->TsRecent);
> > - }
> > -
> > - return Len;
> > -}
> > -
> > -
> > -/**
> > - Parse the supported options.
> > -
> > - @param Tcp Pointer to the TCP_CB of this TCP instance.
> > - @param Option Pointer to the TCP_OPTION used to store the
> successfully
> > pasrsed
> > - options.
> > -
> > - @retval 0 The options are successfully pasrsed.
> > - @retval -1 Ilegal option was found.
> > -
> > -**/
> > -INTN
> > -TcpParseOption (
> > - IN TCP_HEAD *Tcp,
> > - IN OUT TCP_OPTION *Option
> > - )
> > -{
> > - UINT8 *Head;
> > - UINT8 TotalLen;
> > - UINT8 Cur;
> > - UINT8 Type;
> > - UINT8 Len;
> > -
> > - ASSERT ((Tcp != NULL) && (Option != NULL));
> > -
> > - Option->Flag = 0;
> > -
> > - TotalLen = (UINT8) ((Tcp->HeadLen << 2) - sizeof (TCP_HEAD));
> > - if (TotalLen <= 0) {
> > - return 0;
> > - }
> > -
> > - Head = (UINT8 *) (Tcp + 1);
> > -
> > - //
> > - // Fast process of timestamp option
> > - //
> > - if ((TotalLen == TCP_OPTION_TS_ALIGNED_LEN) &&
> > - (TcpGetUint32 (Head) == TCP_OPTION_TS_FAST)) {
> > -
> > - Option->TSVal = TcpGetUint32 (Head + 4);
> > - Option->TSEcr = TcpGetUint32 (Head + 8);
> > - Option->Flag = TCP_OPTION_RCVD_TS;
> > -
> > - return 0;
> > - }
> > -
> > - //
> > - // Slow path to process the options.
> > - //
> > - Cur = 0;
> > -
> > - while (Cur < TotalLen) {
> > - Type = Head[Cur];
> > -
> > - switch (Type) {
> > - case TCP_OPTION_MSS:
> > - Len = Head[Cur + 1];
> > -
> > - if ((Len != TCP_OPTION_MSS_LEN) ||
> > - (TotalLen - Cur < TCP_OPTION_MSS_LEN)) {
> > -
> > - return -1;
> > - }
> > -
> > - Option->Mss = TcpGetUint16 (&Head[Cur + 2]);
> > - TCP_SET_FLG (Option->Flag, TCP_OPTION_RCVD_MSS);
> > -
> > - Cur += TCP_OPTION_MSS_LEN;
> > - break;
> > -
> > - case TCP_OPTION_WS:
> > - Len = Head[Cur + 1];
> > -
> > - if ((Len != TCP_OPTION_WS_LEN) ||
> > - (TotalLen - Cur < TCP_OPTION_WS_LEN)) {
> > -
> > - return -1;
> > - }
> > -
> > - Option->WndScale = (UINT8) MIN (14, Head[Cur + 2]);
> > - TCP_SET_FLG (Option->Flag, TCP_OPTION_RCVD_WS);
> > -
> > - Cur += TCP_OPTION_WS_LEN;
> > - break;
> > -
> > - case TCP_OPTION_TS:
> > - Len = Head[Cur + 1];
> > -
> > - if ((Len != TCP_OPTION_TS_LEN) ||
> > - (TotalLen - Cur < TCP_OPTION_TS_LEN)) {
> > -
> > - return -1;
> > - }
> > -
> > - Option->TSVal = TcpGetUint32 (&Head[Cur + 2]);
> > - Option->TSEcr = TcpGetUint32 (&Head[Cur + 6]);
> > - TCP_SET_FLG (Option->Flag, TCP_OPTION_RCVD_TS);
> > -
> > - Cur += TCP_OPTION_TS_LEN;
> > - break;
> > -
> > - case TCP_OPTION_NOP:
> > - Cur++;
> > - break;
> > -
> > - case TCP_OPTION_EOP:
> > - Cur = TotalLen;
> > - break;
> > -
> > - default:
> > - Len = Head[Cur + 1];
> > -
> > - if ((TotalLen - Cur) < Len || Len < 2) {
> > - return -1;
> > - }
> > -
> > - Cur = (UINT8) (Cur + Len);
> > - break;
> > - }
> > -
> > - }
> > -
> > - return 0;
> > -}
> > -
> > -
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Output.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Output.c
> > deleted file mode 100644
> > index 760b09a1eda1..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Output.c
> > +++ /dev/null
> > @@ -1,1238 +0,0 @@
> > -/** @file
> > - TCP output process routines.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -UINT8 mTcpOutFlag[] = {
> > - 0, // TCP_CLOSED
> > - 0, // TCP_LISTEN
> > - TCP_FLG_SYN, // TCP_SYN_SENT
> > - TCP_FLG_SYN | TCP_FLG_ACK, // TCP_SYN_RCVD
> > - TCP_FLG_ACK, // TCP_ESTABLISHED
> > - TCP_FLG_FIN | TCP_FLG_ACK, // TCP_FIN_WAIT_1
> > - TCP_FLG_ACK, // TCP_FIN_WAIT_2
> > - TCP_FLG_ACK | TCP_FLG_FIN, // TCP_CLOSING
> > - TCP_FLG_ACK, // TCP_TIME_WAIT
> > - TCP_FLG_ACK, // TCP_CLOSE_WAIT
> > - TCP_FLG_FIN | TCP_FLG_ACK // TCP_LAST_ACK
> > -};
> > -
> > -
> > -/**
> > - Compute the sequence space left in the old receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The sequence space left in the old receive window.
> > -
> > -**/
> > -UINT32
> > -TcpRcvWinOld (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - UINT32 OldWin;
> > -
> > - OldWin = 0;
> > -
> > - if (TCP_SEQ_GT (Tcb->RcvWl2 + Tcb->RcvWnd, Tcb->RcvNxt)) {
> > -
> > - OldWin = TCP_SUB_SEQ (
> > - Tcb->RcvWl2 + Tcb->RcvWnd,
> > - Tcb->RcvNxt
> > - );
> > - }
> > -
> > - return OldWin;
> > -}
> > -
> > -
> > -/**
> > - Compute the current receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The size of the current receive window, in bytes.
> > -
> > -**/
> > -UINT32
> > -TcpRcvWinNow (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - SOCKET *Sk;
> > - UINT32 Win;
> > - UINT32 Increase;
> > - UINT32 OldWin;
> > -
> > - Sk = Tcb->Sk;
> > - ASSERT (Sk != NULL);
> > -
> > - OldWin = TcpRcvWinOld (Tcb);
> > -
> > - Win = SockGetFreeSpace (Sk, SOCK_RCV_BUF);
> > -
> > - Increase = 0;
> > - if (Win > OldWin) {
> > - Increase = Win - OldWin;
> > - }
> > -
> > - //
> > - // Receiver's SWS: don't advertise a bigger window
> > - // unless it can be increased by at least one Mss or
> > - // half of the receive buffer.
> > - //
> > - if ((Increase > Tcb->SndMss) ||
> > - (2 * Increase >= GET_RCV_BUFFSIZE (Sk))) {
> > -
> > - return Win;
> > - }
> > -
> > - return OldWin;
> > -}
> > -
> > -
> > -/**
> > - Compute the value to fill in the window size field of the outgoing
> segment.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Syn The flag to indicate whether the outgoing segment is
> a SYN
> > - segment.
> > -
> > - @return The value of the local receive window size used to fill the
> outing
> > segment.
> > -
> > -**/
> > -UINT16
> > -TcpComputeWnd (
> > - IN OUT TCP_CB *Tcb,
> > - IN BOOLEAN Syn
> > - )
> > -{
> > - UINT32 Wnd;
> > -
> > - //
> > - // RFC requires that initial window not be scaled
> > - //
> > - if (Syn) {
> > -
> > - Wnd = GET_RCV_BUFFSIZE (Tcb->Sk);
> > - } else {
> > -
> > - Wnd = TcpRcvWinNow (Tcb);
> > -
> > - Tcb->RcvWnd = Wnd;
> > - }
> > -
> > - Wnd = MIN (Wnd >> Tcb->RcvWndScale, 0xffff);
> > - return NTOHS ((UINT16) Wnd);
> > -}
> > -
> > -
> > -/**
> > - Get the maximum SndNxt.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The sequence number of the maximum SndNxt.
> > -
> > -**/
> > -TCP_SEQNO
> > -TcpGetMaxSndNxt (
> > - IN TCP_CB *Tcb
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - NET_BUF *Nbuf;
> > -
> > - if (IsListEmpty (&Tcb->SndQue)) {
> > - return Tcb->SndNxt;
> > - }
> > -
> > - Entry = Tcb->SndQue.BackLink;
> > - Nbuf = NET_LIST_USER_STRUCT (Entry, NET_BUF, List);
> > -
> > - ASSERT (TCP_SEQ_GEQ (TCPSEG_NETBUF (Nbuf)->End, Tcb->SndNxt));
> > - return TCPSEG_NETBUF (Nbuf)->End;
> > -}
> > -
> > -
> > -/**
> > - Compute how much data to send.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Force Whether to ignore the sender's SWS avoidance
> algorithm
> > and send
> > - out data by force.
> > -
> > - @return The length of the data can be sent, if 0, no data can be sent.
> > -
> > -**/
> > -UINT32
> > -TcpDataToSend (
> > - IN TCP_CB *Tcb,
> > - IN INTN Force
> > - )
> > -{
> > - SOCKET *Sk;
> > - UINT32 Win;
> > - UINT32 Len;
> > - UINT32 Left;
> > - UINT32 Limit;
> > -
> > - Sk = Tcb->Sk;
> > - ASSERT (Sk != NULL);
> > -
> > - //
> > - // TCP should NOT send data beyond the send window
> > - // and congestion window. The right edge of send
> > - // window is defined as SND.WL2 + SND.WND. The right
> > - // edge of congestion window is defined as SND.UNA +
> > - // CWND.
> > - //
> > - Win = 0;
> > - Limit = Tcb->SndWl2 + Tcb->SndWnd;
> > -
> > - if (TCP_SEQ_GT (Limit, Tcb->SndUna + Tcb->CWnd)) {
> > -
> > - Limit = Tcb->SndUna + Tcb->CWnd;
> > - }
> > -
> > - if (TCP_SEQ_GT (Limit, Tcb->SndNxt)) {
> > - Win = TCP_SUB_SEQ (Limit, Tcb->SndNxt);
> > - }
> > -
> > - //
> > - // The data to send contains two parts: the data on the
> > - // socket send queue, and the data on the TCB's send
> > - // buffer. The later can be non-zero if the peer shrinks
> > - // its advertised window.
> > - //
> > - Left = GET_SND_DATASIZE (Sk) +
> > - TCP_SUB_SEQ (TcpGetMaxSndNxt (Tcb), Tcb->SndNxt);
> > -
> > - Len = MIN (Win, Left);
> > -
> > - if (Len > Tcb->SndMss) {
> > - Len = Tcb->SndMss;
> > - }
> > -
> > - if ((Force != 0)|| (Len == 0 && Left == 0)) {
> > - return Len;
> > - }
> > -
> > - if (Len == 0 && Left != 0) {
> > - goto SetPersistTimer;
> > - }
> > -
> > - //
> > - // Sender's SWS avoidance: Don't send a small segment unless
> > - // a)A full-sized segment can be sent,
> > - // b)at least one-half of the maximum sized windows that
> > - // the other end has ever advertised.
> > - // c)It can send everything it has and either it isn't
> > - // expecting an ACK or the Nagle algorithm is disabled.
> > - //
> > - if ((Len == Tcb->SndMss) || (2 * Len >= Tcb->SndWndMax)) {
> > -
> > - return Len;
> > - }
> > -
> > - if ((Len == Left) &&
> > - ((Tcb->SndNxt == Tcb->SndUna) ||
> > - TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_NAGLE))) {
> > -
> > - return Len;
> > - }
> > -
> > - //
> > - // RFC1122 suggests to set a timer when SWSA forbids TCP
> > - // sending more data, and combine it with probe timer.
> > - //
> > -SetPersistTimer:
> > - if (!TCP_TIMER_ON (Tcb->EnabledTimer, TCP_TIMER_REXMIT)) {
> > -
> > - DEBUG (
> > - (EFI_D_WARN,
> > - "TcpDataToSend: enter persistent state for TCB %p\n",
> > - Tcb)
> > - );
> > -
> > - if (!Tcb->ProbeTimerOn) {
> > - TcpSetProbeTimer (Tcb);
> > - }
> > - }
> > -
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Build the TCP header of the TCP segment and transmit the segment by
> IP.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer containing the segment to be
> sent
> > out.
> > -
> > - @retval 0 The segment is sent out successfully.
> > - @retval other Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpTransmitSegment (
> > - IN OUT TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - UINT16 Len;
> > - TCP_HEAD *Head;
> > - TCP_SEG *Seg;
> > - BOOLEAN Syn;
> > - UINT32 DataLen;
> > -
> > - ASSERT ((Nbuf != NULL) && (Nbuf->Tcp == NULL) && (TcpVerifySegment
> > (Nbuf) != 0));
> > -
> > - DataLen = Nbuf->TotalSize;
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Syn = TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN);
> > -
> > - if (Syn) {
> > -
> > - Len = TcpSynBuildOption (Tcb, Nbuf);
> > - } else {
> > -
> > - Len = TcpBuildOption (Tcb, Nbuf);
> > - }
> > -
> > - ASSERT ((Len % 4 == 0) && (Len <= 40));
> > -
> > - Len += sizeof (TCP_HEAD);
> > -
> > - Head = (TCP_HEAD *) NetbufAllocSpace (
> > - Nbuf,
> > - sizeof (TCP_HEAD),
> > - NET_BUF_HEAD
> > - );
> > -
> > - ASSERT (Head != NULL);
> > -
> > - Nbuf->Tcp = Head;
> > -
> > - Head->SrcPort = Tcb->LocalEnd.Port;
> > - Head->DstPort = Tcb->RemoteEnd.Port;
> > - Head->Seq = NTOHL (Seg->Seq);
> > - Head->Ack = NTOHL (Tcb->RcvNxt);
> > - Head->HeadLen = (UINT8) (Len >> 2);
> > - Head->Res = 0;
> > - Head->Wnd = TcpComputeWnd (Tcb, Syn);
> > - Head->Checksum = 0;
> > -
> > - //
> > - // Check whether to set the PSH flag.
> > - //
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_PSH);
> > -
> > - if (DataLen != 0) {
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_SND_PSH) &&
> > - TCP_SEQ_BETWEEN (Seg->Seq, Tcb->SndPsh, Seg->End)) {
> > -
> > - TCP_SET_FLG (Seg->Flag, TCP_FLG_PSH);
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_SND_PSH);
> > -
> > - } else if ((Seg->End == Tcb->SndNxt) &&
> > - (GET_SND_DATASIZE (Tcb->Sk) == 0)) {
> > -
> > - TCP_SET_FLG (Seg->Flag, TCP_FLG_PSH);
> > - }
> > - }
> > -
> > - //
> > - // Check whether to set the URG flag and the urgent pointer.
> > - //
> > - TCP_CLEAR_FLG (Seg->Flag, TCP_FLG_URG);
> > -
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_SND_URG) &&
> > - TCP_SEQ_LEQ (Seg->Seq, Tcb->SndUp)) {
> > -
> > - TCP_SET_FLG (Seg->Flag, TCP_FLG_URG);
> > -
> > - if (TCP_SEQ_LT (Tcb->SndUp, Seg->End)) {
> > -
> > - Seg->Urg = (UINT16) TCP_SUB_SEQ (Tcb->SndUp, Seg->Seq);
> > - } else {
> > -
> > - Seg->Urg = (UINT16) MIN (
> > - TCP_SUB_SEQ (Tcb->SndUp,
> > - Seg->Seq),
> > - 0xffff
> > - );
> > - }
> > - }
> > -
> > - Head->Flag = Seg->Flag;
> > - Head->Urg = NTOHS (Seg->Urg);
> > - Head->Checksum = TcpChecksum (Nbuf, Tcb->HeadSum);
> > -
> > - //
> > - // update the TCP session's control information
> > - //
> > - Tcb->RcvWl2 = Tcb->RcvNxt;
> > - if (Syn) {
> > - Tcb->RcvWnd = NTOHS (Head->Wnd);
> > - }
> > -
> > - //
> > - // clear delayedack flag
> > - //
> > - Tcb->DelayedAck = 0;
> > -
> > - return TcpSendIpPacket (Tcb, Nbuf, Tcb->LocalEnd.Ip, Tcb-
> >RemoteEnd.Ip);
> > -}
> > -
> > -
> > -/**
> > - Get a segment from the Tcb's SndQue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegmentSndQue (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - )
> > -{
> > - LIST_ENTRY *Head;
> > - LIST_ENTRY *Cur;
> > - NET_BUF *Node;
> > - TCP_SEG *Seg;
> > - NET_BUF *Nbuf;
> > - TCP_SEQNO End;
> > - UINT8 *Data;
> > - UINT8 Flag;
> > - INT32 Offset;
> > - INT32 CopyLen;
> > -
> > - ASSERT ((Tcb != NULL) && TCP_SEQ_LEQ (Seq, Tcb->SndNxt) && (Len > 0));
> > -
> > - //
> > - // Find the segment that contains the Seq.
> > - //
> > - Head = &Tcb->SndQue;
> > -
> > - Node = NULL;
> > - Seg = NULL;
> > -
> > - NET_LIST_FOR_EACH (Cur, Head) {
> > - Node = NET_LIST_USER_STRUCT (Cur, NET_BUF, List);
> > - Seg = TCPSEG_NETBUF (Node);
> > -
> > - if (TCP_SEQ_LT (Seq, Seg->End) && TCP_SEQ_LEQ (Seg->Seq, Seq)) {
> > -
> > - break;
> > - }
> > - }
> > -
> > - ASSERT (Cur != Head);
> > - ASSERT (Node != NULL);
> > - ASSERT (Seg != NULL);
> > -
> > - //
> > - // Return the buffer if it can be returned without
> > - // adjustment:
> > - //
> > - if ((Seg->Seq == Seq) &&
> > - TCP_SEQ_LEQ (Seg->End, Seg->Seq + Len) &&
> > - !NET_BUF_SHARED (Node)) {
> > -
> > - NET_GET_REF (Node);
> > - return Node;
> > - }
> > -
> > - //
> > - // Create a new buffer and copy data there.
> > - //
> > - Nbuf = NetbufAlloc (Len + TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - return NULL;
> > - }
> > -
> > - NetbufReserve (Nbuf, TCP_MAX_HEAD);
> > -
> > - Flag = Seg->Flag;
> > - End = Seg->End;
> > -
> > - if (TCP_SEQ_LT (Seq + Len, Seg->End)) {
> > - End = Seq + Len;
> > - }
> > -
> > - CopyLen = TCP_SUB_SEQ (End, Seq);
> > - Offset = TCP_SUB_SEQ (Seq, Seg->Seq);
> > -
> > - //
> > - // If SYN is set and out of the range, clear the flag.
> > - // Because the sequence of the first byte is SEG.SEQ+1,
> > - // adjust Offset by -1. If SYN is in the range, copy
> > - // one byte less.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > -
> > - if (TCP_SEQ_LT (Seg->Seq, Seq)) {
> > -
> > - TCP_CLEAR_FLG (Flag, TCP_FLG_SYN);
> > - Offset--;
> > - } else {
> > -
> > - CopyLen--;
> > - }
> > - }
> > -
> > - //
> > - // If FIN is set and in the range, copy one byte less,
> > - // and if it is out of the range, clear the flag.
> > - //
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_FIN)) {
> > -
> > - if (Seg->End == End) {
> > -
> > - CopyLen--;
> > - } else {
> > -
> > - TCP_CLEAR_FLG (Flag, TCP_FLG_FIN);
> > - }
> > - }
> > -
> > - ASSERT (CopyLen >= 0);
> > -
> > - //
> > - // copy data to the segment
> > - //
> > - if (CopyLen != 0) {
> > - Data = NetbufAllocSpace (Nbuf, CopyLen, NET_BUF_TAIL);
> > - ASSERT (Data != NULL);
> > -
> > - if ((INT32) NetbufCopy (Node, Offset, CopyLen, Data) != CopyLen) {
> > - goto OnError;
> > - }
> > - }
> > -
> > - CopyMem (TCPSEG_NETBUF (Nbuf), Seg, sizeof (TCP_SEG));
> > -
> > - TCPSEG_NETBUF (Nbuf)->Seq = Seq;
> > - TCPSEG_NETBUF (Nbuf)->End = End;
> > - TCPSEG_NETBUF (Nbuf)->Flag = Flag;
> > -
> > - return Nbuf;
> > -
> > -OnError:
> > - NetbufFree (Nbuf);
> > - return NULL;
> > -}
> > -
> > -
> > -/**
> > - Get a segment from the Tcb's socket buffer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegmentSock (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - UINT8 *Data;
> > - UINT32 DataGet;
> > -
> > - ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL));
> > -
> > - Nbuf = NetbufAlloc (Len + TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - DEBUG ((EFI_D_ERROR, "TcpGetSegmentSock: failed to allocate "
> > - "a netbuf for TCB %p\n",Tcb));
> > -
> > - return NULL;
> > - }
> > -
> > - NetbufReserve (Nbuf, TCP_MAX_HEAD);
> > -
> > - DataGet = 0;
> > -
> > - if (Len != 0) {
> > - //
> > - // copy data to the segment.
> > - //
> > - Data = NetbufAllocSpace (Nbuf, Len, NET_BUF_TAIL);
> > - ASSERT (Data != NULL);
> > -
> > - DataGet = SockGetDataToSend (Tcb->Sk, 0, Len, Data);
> > - }
> > -
> > - NET_GET_REF (Nbuf);
> > -
> > - TCPSEG_NETBUF (Nbuf)->Seq = Seq;
> > - TCPSEG_NETBUF (Nbuf)->End = Seq + Len;
> > -
> > - InsertTailList (&(Tcb->SndQue), &(Nbuf->List));
> > -
> > - if (DataGet != 0) {
> > -
> > - SockDataSent (Tcb->Sk, DataGet);
> > - }
> > -
> > - return Nbuf;
> > -}
> > -
> > -
> > -/**
> > - Get a segment starting from sequence Seq of a maximum
> > - length of Len.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegment (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > -
> > - ASSERT (Tcb != NULL);
> > -
> > - //
> > - // Compare the SndNxt with the max sequence number sent.
> > - //
> > - if ((Len != 0) && TCP_SEQ_LT (Seq, TcpGetMaxSndNxt (Tcb))) {
> > -
> > - Nbuf = TcpGetSegmentSndQue (Tcb, Seq, Len);
> > - } else {
> > -
> > - Nbuf = TcpGetSegmentSock (Tcb, Seq, Len);
> > - }
> > -
> > - ASSERT (TcpVerifySegment (Nbuf) != 0);
> > - return Nbuf;
> > -}
> > -
> > -
> > -/**
> > - Retransmit the segment from sequence Seq.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment to be
> retransmitted.
> > -
> > - @retval 0 Retransmission succeeded.
> > - @retval -1 Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpRetransmit (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - UINT32 Len;
> > -
> > - //
> > - // Compute the maxium length of retransmission. It is
> > - // limited by three factors:
> > - // 1. Less than SndMss
> > - // 2. must in the current send window
> > - // 3. will not change the boundaries of queued segments.
> > - //
> > -
> > - //
> > - // Handle the Window Retraction if TCP window scale is enabled
> according
> > to RFC7323:
> > - // On first retransmission, or if the sequence number is out of
> > - // window by less than 2^Rcv.Wind.Shift, then do normal
> > - // retransmission(s) without regard to the receiver window as long
> > - // as the original segment was in window when it was sent.
> > - //
> > - if ((Tcb->SndWndScale != 0) &&
> > - (TCP_SEQ_GT (Seq, Tcb->RetxmitSeqMax) || TCP_SEQ_BETWEEN (Tcb-
> > >SndWl2 + Tcb->SndWnd, Seq, Tcb->SndWl2 + Tcb->SndWnd + (1 << Tcb-
> > >SndWndScale)))) {
> > - Len = TCP_SUB_SEQ (Tcb->SndNxt, Seq);
> > - DEBUG (
> > - (EFI_D_WARN,
> > - "TcpRetransmit: retransmission without regard to the receiver
> window
> > for TCB %p\n",
> > - Tcb)
> > - );
> > -
> > - } else if (TCP_SEQ_GEQ (Tcb->SndWl2 + Tcb->SndWnd, Seq)) {
> > - Len = TCP_SUB_SEQ (Tcb->SndWl2 + Tcb->SndWnd, Seq);
> > -
> > - } else {
> > - DEBUG (
> > - (EFI_D_WARN,
> > - "TcpRetransmit: retransmission cancelled because send window too
> > small for TCB %p\n",
> > - Tcb)
> > - );
> > -
> > - return 0;
> > - }
> > -
> > - Len = MIN (Len, Tcb->SndMss);
> > -
> > - Nbuf = TcpGetSegmentSndQue (Tcb, Seq, Len);
> > - if (Nbuf == NULL) {
> > - return -1;
> > - }
> > -
> > - ASSERT (TcpVerifySegment (Nbuf) != 0);
> > -
> > - if (TcpTransmitSegment (Tcb, Nbuf) != 0) {
> > - goto OnError;
> > - }
> > -
> > - if (TCP_SEQ_GT (Seq, Tcb->RetxmitSeqMax)) {
> > - Tcb->RetxmitSeqMax = Seq;
> > - }
> > -
> > - //
> > - // The retransmitted buffer may be on the SndQue,
> > - // trim TCP head because all the buffer on SndQue
> > - // are headless.
> > - //
> > - ASSERT (Nbuf->Tcp != NULL);
> > - NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);
> > - Nbuf->Tcp = NULL;
> > -
> > - NetbufFree (Nbuf);
> > - return 0;
> > -
> > -OnError:
> > - if (Nbuf != NULL) {
> > - NetbufFree (Nbuf);
> > - }
> > -
> > - return -1;
> > -}
> > -
> > -
> > -/**
> > - Check whether to send data/SYN/FIN and piggy back an ACK.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Force Whether to ignore the sender's SWS avoidance
> algorithm
> > and send
> > - out data by force.
> > -
> > - @return The number of bytes sent.
> > -
> > -**/
> > -INTN
> > -TcpToSendData (
> > - IN OUT TCP_CB *Tcb,
> > - IN INTN Force
> > - )
> > -{
> > - UINT32 Len;
> > - INTN Sent;
> > - UINT8 Flag;
> > - NET_BUF *Nbuf;
> > - TCP_SEG *Seg;
> > - TCP_SEQNO Seq;
> > - TCP_SEQNO End;
> > -
> > - ASSERT ((Tcb != NULL) && (Tcb->Sk != NULL) && (Tcb->State !=
> > TCP_LISTEN));
> > -
> > - Sent = 0;
> > -
> > - if ((Tcb->State == TCP_CLOSED) ||
> > - TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT)) {
> > -
> > - return 0;
> > - }
> > -
> > -SEND_AGAIN:
> > - //
> > - // compute how much data can be sent
> > - //
> > - Len = TcpDataToSend (Tcb, Force);
> > - Seq = Tcb->SndNxt;
> > -
> > - ASSERT ((Tcb->State) < (ARRAY_SIZE (mTcpOutFlag)));
> > - Flag = mTcpOutFlag[Tcb->State];
> > -
> > - if ((Flag & TCP_FLG_SYN) != 0) {
> > -
> > - Seq = Tcb->Iss;
> > - Len = 0;
> > - }
> > -
> > - //
> > - // only send a segment without data if SYN or
> > - // FIN is set.
> > - //
> > - if ((Len == 0) &&
> > - ((Flag & (TCP_FLG_SYN | TCP_FLG_FIN)) == 0)) {
> > - return Sent;
> > - }
> > -
> > - Nbuf = TcpGetSegment (Tcb, Seq, Len);
> > -
> > - if (Nbuf == NULL) {
> > - DEBUG (
> > - (EFI_D_ERROR,
> > - "TcpToSendData: failed to get a segment for TCB %p\n",
> > - Tcb)
> > - );
> > -
> > - goto OnError;
> > - }
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > -
> > - //
> > - // Set the TcpSeg in Nbuf.
> > - //
> > - Len = Nbuf->TotalSize;
> > - End = Seq + Len;
> > - if (TCP_FLG_ON (Flag, TCP_FLG_SYN)) {
> > - End++;
> > - }
> > -
> > - if ((Flag & TCP_FLG_FIN) != 0) {
> > - //
> > - // Send FIN if all data is sent, and FIN is
> > - // in the window
> > - //
> > - if ((TcpGetMaxSndNxt (Tcb) == Tcb->SndNxt) &&
> > - (GET_SND_DATASIZE (Tcb->Sk) == 0) &&
> > - TCP_SEQ_LT (End + 1, Tcb->SndWnd + Tcb->SndWl2)) {
> > -
> > - DEBUG (
> > - (EFI_D_NET,
> > - "TcpToSendData: send FIN "
> > - "to peer for TCB %p in state %s\n",
> > - Tcb,
> > - mTcpStateName[Tcb->State])
> > - );
> > -
> > - End++;
> > - } else {
> > - TCP_CLEAR_FLG (Flag, TCP_FLG_FIN);
> > - }
> > - }
> > -
> > - Seg->Seq = Seq;
> > - Seg->End = End;
> > - Seg->Flag = Flag;
> > -
> > - ASSERT (TcpVerifySegment (Nbuf) != 0);
> > - ASSERT (TcpCheckSndQue (&Tcb->SndQue) != 0);
> > -
> > - //
> > - // don't send an empty segment here.
> > - //
> > - if (Seg->End == Seg->Seq) {
> > - DEBUG ((EFI_D_WARN, "TcpToSendData: created a empty"
> > - " segment for TCB %p, free it now\n", Tcb));
> > -
> > - NetbufFree (Nbuf);
> > - return Sent;
> > - }
> > -
> > - if (TcpTransmitSegment (Tcb, Nbuf) != 0) {
> > - NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);
> > - Nbuf->Tcp = NULL;
> > -
> > - if ((Flag & TCP_FLG_FIN) != 0) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT);
> > - }
> > -
> > - goto OnError;
> > - }
> > -
> > - Sent += TCP_SUB_SEQ (End, Seq);
> > -
> > - //
> > - // All the buffer in the SndQue is headless
> > - //
> > - ASSERT (Nbuf->Tcp != NULL);
> > -
> > - NetbufTrim (Nbuf, (Nbuf->Tcp->HeadLen << 2), NET_BUF_HEAD);
> > - Nbuf->Tcp = NULL;
> > -
> > - NetbufFree (Nbuf);
> > -
> > - //
> > - // update status in TCB
> > - //
> > - Tcb->DelayedAck = 0;
> > -
> > - if ((Flag & TCP_FLG_FIN) != 0) {
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_FIN_SENT);
> > - }
> > -
> > - if (TCP_SEQ_GT (End, Tcb->SndNxt)) {
> > - Tcb->SndNxt = End;
> > - }
> > -
> > - if (!TCP_TIMER_ON (Tcb->EnabledTimer, TCP_TIMER_REXMIT)) {
> > - TcpSetTimer (Tcb, TCP_TIMER_REXMIT, Tcb->Rto);
> > - }
> > -
> > - //
> > - // Enable RTT measurement only if not in retransmit.
> > - // Karn's algorithm reqires not to update RTT when in loss.
> > - //
> > - if ((Tcb->CongestState == TCP_CONGEST_OPEN) &&
> > - !TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON)) {
> > -
> > - DEBUG ((EFI_D_NET, "TcpToSendData: set RTT measure "
> > - "sequence %d for TCB %p\n", Seq, Tcb));
> > -
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
> > - Tcb->RttSeq = Seq;
> > - Tcb->RttMeasure = 0;
> > - }
> > -
> > - if (Len == Tcb->SndMss) {
> > - goto SEND_AGAIN;
> > - }
> > -
> > - return Sent;
> > -
> > -OnError:
> > - if (Nbuf != NULL) {
> > - NetbufFree (Nbuf);
> > - }
> > -
> > - return Sent;
> > -}
> > -
> > -
> > -/**
> > - Send an ACK immediately.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSendAck (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - TCP_SEG *Seg;
> > -
> > - Nbuf = NetbufAlloc (TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - return;
> > - }
> > -
> > - NetbufReserve (Nbuf, TCP_MAX_HEAD);
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Seg->Seq = Tcb->SndNxt;
> > - Seg->End = Tcb->SndNxt;
> > - Seg->Flag = TCP_FLG_ACK;
> > -
> > - if (TcpTransmitSegment (Tcb, Nbuf) == 0) {
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW);
> > - Tcb->DelayedAck = 0;
> > - }
> > -
> > - NetbufFree (Nbuf);
> > -}
> > -
> > -
> > -/**
> > - Send a zero probe segment. It can be used by keepalive and zero
> window
> > probe.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @retval 0 The zero probe segment was sent out successfully.
> > - @retval other Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpSendZeroProbe (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - TCP_SEG *Seg;
> > - INTN Result;
> > -
> > - Nbuf = NetbufAlloc (TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - return -1;
> > - }
> > -
> > - NetbufReserve (Nbuf, TCP_MAX_HEAD);
> > -
> > - //
> > - // SndNxt-1 is out of window. The peer should respond
> > - // with an ACK.
> > - //
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Seg->Seq = Tcb->SndNxt - 1;
> > - Seg->End = Tcb->SndNxt - 1;
> > - Seg->Flag = TCP_FLG_ACK;
> > -
> > - Result = TcpTransmitSegment (Tcb, Nbuf);
> > - NetbufFree (Nbuf);
> > -
> > - return Result;
> > -}
> > -
> > -
> > -/**
> > - Check whether to send an ACK or delayed ACK.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpToSendAck (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - UINT32 TcpNow;
> > -
> > - TcpNow = TcpRcvWinNow (Tcb);
> > - //
> > - // Generally, TCP should send a delayed ACK unless:
> > - // 1. ACK at least every other FULL sized segment received,
> > - // 2. Packets received out of order
> > - // 3. Receiving window is open
> > - //
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_ACK_NOW) ||
> > - (Tcb->DelayedAck >= 1) ||
> > - (TcpNow > TcpRcvWinOld (Tcb))) {
> > - TcpSendAck (Tcb);
> > - return;
> > - }
> > -
> > - DEBUG ((EFI_D_NET, "TcpToSendAck: scheduled a delayed"
> > - " ACK for TCB %p\n", Tcb));
> > -
> > - //
> > - // schedule a delayed ACK
> > - //
> > - Tcb->DelayedAck++;
> > -}
> > -
> > -
> > -/**
> > - Send a RESET segment in response to the segment received.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance, may be
> NULL.
> > - @param Head TCP header of the segment that triggers the reset.
> > - @param Len Length of the segment that triggers the reset.
> > - @param Local Local IP address.
> > - @param Remote Remote peer's IP address.
> > -
> > - @retval 0 A reset is sent or no need to send it.
> > - @retval -1 No reset is sent.
> > -
> > -**/
> > -INTN
> > -TcpSendReset (
> > - IN TCP_CB *Tcb,
> > - IN TCP_HEAD *Head,
> > - IN INT32 Len,
> > - IN UINT32 Local,
> > - IN UINT32 Remote
> > - )
> > -{
> > - NET_BUF *Nbuf;
> > - TCP_HEAD *Nhead;
> > - UINT16 HeadSum;
> > -
> > - //
> > - // Don't respond to a Reset with reset
> > - //
> > - if ((Head->Flag & TCP_FLG_RST) != 0) {
> > - return 0;
> > - }
> > -
> > - Nbuf = NetbufAlloc (TCP_MAX_HEAD);
> > -
> > - if (Nbuf == NULL) {
> > - return -1;
> > - }
> > -
> > - Nhead = (TCP_HEAD *) NetbufAllocSpace (
> > - Nbuf,
> > - sizeof (TCP_HEAD),
> > - NET_BUF_TAIL
> > - );
> > -
> > - ASSERT (Nhead != NULL);
> > -
> > - Nbuf->Tcp = Nhead;
> > - Nhead->Flag = TCP_FLG_RST;
> > -
> > - //
> > - // Derive Seq/ACK from the segment if no TCB
> > - // associated with it, otherwise from the Tcb
> > - //
> > - if (Tcb == NULL) {
> > -
> > - if (TCP_FLG_ON (Head->Flag, TCP_FLG_ACK)) {
> > - Nhead->Seq = Head->Ack;
> > - Nhead->Ack = 0;
> > - } else {
> > - Nhead->Seq = 0;
> > - TCP_SET_FLG (Nhead->Flag, TCP_FLG_ACK);
> > - Nhead->Ack = HTONL (NTOHL (Head->Seq) + Len);
> > - }
> > - } else {
> > -
> > - Nhead->Seq = HTONL (Tcb->SndNxt);
> > - Nhead->Ack = HTONL (Tcb->RcvNxt);
> > - TCP_SET_FLG (Nhead->Flag, TCP_FLG_ACK);
> > - }
> > -
> > - Nhead->SrcPort = Head->DstPort;
> > - Nhead->DstPort = Head->SrcPort;
> > - Nhead->HeadLen = (UINT8) (sizeof (TCP_HEAD) >> 2);
> > - Nhead->Res = 0;
> > - Nhead->Wnd = HTONS (0xFFFF);
> > - Nhead->Checksum = 0;
> > - Nhead->Urg = 0;
> > -
> > - HeadSum = NetPseudoHeadChecksum (Local, Remote, 6, 0);
> > - Nhead->Checksum = TcpChecksum (Nbuf, HeadSum);
> > -
> > - TcpSendIpPacket (Tcb, Nbuf, Local, Remote);
> > -
> > - NetbufFree (Nbuf);
> > - return 0;
> > -}
> > -
> > -
> > -/**
> > - Verify that the segment is in good shape.
> > -
> > - @param Nbuf Buffer that contains the segment to be checked.
> > -
> > - @retval 0 The segment is broken.
> > - @retval 1 The segment is in good shape.
> > -
> > -**/
> > -INTN
> > -TcpVerifySegment (
> > - IN NET_BUF *Nbuf
> > - )
> > -{
> > - TCP_HEAD *Head;
> > - TCP_SEG *Seg;
> > - UINT32 Len;
> > -
> > - if (Nbuf == NULL) {
> > - return 1;
> > - }
> > -
> > - NET_CHECK_SIGNATURE (Nbuf, NET_BUF_SIGNATURE);
> > -
> > - Seg = TCPSEG_NETBUF (Nbuf);
> > - Len = Nbuf->TotalSize;
> > - Head = Nbuf->Tcp;
> > -
> > - if (Head != NULL) {
> > - if (Head->Flag != Seg->Flag) {
> > - return 0;
> > - }
> > -
> > - Len -= (Head->HeadLen << 2);
> > - }
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_SYN)) {
> > - Len++;
> > - }
> > -
> > - if (TCP_FLG_ON (Seg->Flag, TCP_FLG_FIN)) {
> > - Len++;
> > - }
> > -
> > - if (Seg->Seq + Len != Seg->End) {
> > - return 0;
> > - }
> > -
> > - return 1;
> > -}
> > -
> > -
> > -/**
> > - Verify that all the segments in SndQue are in good shape.
> > -
> > - @param Head Pointer to the head node of the SndQue.
> > -
> > - @retval 0 At least one segment is broken.
> > - @retval 1 All segments in the specific queue are in good shape.
> > -
> > -**/
> > -INTN
> > -TcpCheckSndQue (
> > - IN LIST_ENTRY *Head
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - NET_BUF *Nbuf;
> > - TCP_SEQNO Seq;
> > -
> > - if (IsListEmpty (Head)) {
> > - return 1;
> > - }
> > - //
> > - // Initialize the Seq
> > - //
> > - Entry = Head->ForwardLink;
> > - Nbuf = NET_LIST_USER_STRUCT (Entry, NET_BUF, List);
> > - Seq = TCPSEG_NETBUF (Nbuf)->Seq;
> > -
> > - NET_LIST_FOR_EACH (Entry, Head) {
> > - Nbuf = NET_LIST_USER_STRUCT (Entry, NET_BUF, List);
> > -
> > - if (TcpVerifySegment (Nbuf) == 0) {
> > - return 0;
> > - }
> > -
> > - //
> > - // All the node in the SndQue should has:
> > - // SEG.SEQ = LAST_SEG.END
> > - //
> > - if (Seq != TCPSEG_NETBUF (Nbuf)->Seq) {
> > - return 0;
> > - }
> > -
> > - Seq = TCPSEG_NETBUF (Nbuf)->End;
> > - }
> > -
> > - return 1;
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Timer.c
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Timer.c
> > deleted file mode 100644
> > index 4cb0ee7b5e6f..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Timer.c
> > +++ /dev/null
> > @@ -1,584 +0,0 @@
> > -/** @file
> > - TCP timer related functions.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "Tcp4Main.h"
> > -
> > -UINT32 mTcpTick = 1000;
> > -
> > -/**
> > - Connect timeout handler.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpConnectTimeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Timeout handler for TCP retransmission timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpRexmitTimeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Timeout handler for window probe timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpProbeTimeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Timeout handler for keepalive timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpKeepaliveTimeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Timeout handler for FIN_WAIT_2 timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpFinwait2Timeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Timeout handler for 2MSL timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -Tcp2MSLTimeout (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -TCP_TIMER_HANDLER mTcpTimerHandler[TCP_TIMER_NUMBER] = {
> > - TcpConnectTimeout,
> > - TcpRexmitTimeout,
> > - TcpProbeTimeout,
> > - TcpKeepaliveTimeout,
> > - TcpFinwait2Timeout,
> > - Tcp2MSLTimeout,
> > -};
> > -
> > -/**
> > - Close the TCP connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpClose (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - NetbufFreeList (&Tcb->SndQue);
> > - NetbufFreeList (&Tcb->RcvQue);
> > -
> > - TcpSetState (Tcb, TCP_CLOSED);
> > -}
> > -
> > -
> > -/**
> > - Connect timeout handler.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpConnectTimeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - if (!TCP_CONNECTED (Tcb->State)) {
> > - DEBUG ((EFI_D_ERROR, "TcpConnectTimeout: connection closed "
> > - "because conenction timer timeout for TCB %p\n", Tcb));
> > -
> > - if (EFI_ABORTED == Tcb->Sk->SockError) {
> > - SOCK_ERROR (Tcb->Sk, EFI_TIMEOUT);
> > - }
> > -
> > - if (TCP_SYN_RCVD == Tcb->State) {
> > - DEBUG ((EFI_D_WARN, "TcpConnectTimeout: send reset because "
> > - "connection timer timeout for TCB %p\n", Tcb));
> > -
> > - TcpResetConnection (Tcb);
> > -
> > - }
> > -
> > - TcpClose (Tcb);
> > - }
> > -}
> > -
> > -
> > -/**
> > - Timeout handler for TCP retransmission timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpRexmitTimeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - UINT32 FlightSize;
> > -
> > - DEBUG ((EFI_D_WARN, "TcpRexmitTimeout: transmission "
> > - "timeout for TCB %p\n", Tcb));
> > -
> > - //
> > - // Set the congestion window. FlightSize is the
> > - // amount of data that has been sent but not
> > - // yet ACKed.
> > - //
> > - FlightSize = TCP_SUB_SEQ (Tcb->SndNxt, Tcb->SndUna);
> > - Tcb->Ssthresh = MAX ((UINT32) (2 * Tcb->SndMss), FlightSize / 2);
> > -
> > - Tcb->CWnd = Tcb->SndMss;
> > - Tcb->LossRecover = Tcb->SndNxt;
> > -
> > - Tcb->LossTimes++;
> > - if ((Tcb->LossTimes > Tcb->MaxRexmit) &&
> > - !TCP_TIMER_ON (Tcb->EnabledTimer, TCP_TIMER_CONNECT)) {
> > -
> > - DEBUG ((EFI_D_ERROR, "TcpRexmitTimeout: connection closed "
> > - "because too many timeouts for TCB %p\n", Tcb));
> > -
> > - if (EFI_ABORTED == Tcb->Sk->SockError) {
> > - SOCK_ERROR (Tcb->Sk, EFI_TIMEOUT);
> > - }
> > -
> > - TcpClose (Tcb);
> > - return ;
> > - }
> > -
> > - TcpBackoffRto (Tcb);
> > - TcpRetransmit (Tcb, Tcb->SndUna);
> > - TcpSetTimer (Tcb, TCP_TIMER_REXMIT, Tcb->Rto);
> > -
> > - Tcb->CongestState = TCP_CONGEST_LOSS;
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_RTT_ON);
> > -}
> > -
> > -
> > -/**
> > - Timeout handler for window probe timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpProbeTimeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - //
> > - // This is the timer for sender's SWSA. RFC1122 requires
> > - // a timer set for sender's SWSA, and suggest combine it
> > - // with window probe timer. If data is sent, don't set
> > - // the probe timer, since retransmit timer is on.
> > - //
> > - if ((TcpDataToSend (Tcb, 1) != 0) && (TcpToSendData (Tcb, 1) > 0)) {
> > -
> > - ASSERT (TCP_TIMER_ON (Tcb->EnabledTimer, TCP_TIMER_REXMIT) != 0);
> > - Tcb->ProbeTimerOn = FALSE;
> > - return ;
> > - }
> > -
> > - TcpSendZeroProbe (Tcb);
> > - TcpSetProbeTimer (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Timeout handler for keepalive timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpKeepaliveTimeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - Tcb->KeepAliveProbes++;
> > -
> > - //
> > - // Too many Keep-alive probes, drop the connection
> > - //
> > - if (Tcb->KeepAliveProbes > Tcb->MaxKeepAlive) {
> > -
> > - if (EFI_ABORTED == Tcb->Sk->SockError) {
> > - SOCK_ERROR (Tcb->Sk, EFI_TIMEOUT);
> > - }
> > -
> > - TcpClose (Tcb);
> > - return ;
> > - }
> > -
> > - TcpSendZeroProbe (Tcb);
> > - TcpSetKeepaliveTimer (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Timeout handler for FIN_WAIT_2 timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpFinwait2Timeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - DEBUG ((EFI_D_WARN, "TcpFinwait2Timeout: connection closed "
> > - "because FIN_WAIT2 timer timeouts for TCB %p\n", Tcb));
> > -
> > - TcpClose (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Timeout handler for 2MSL timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -Tcp2MSLTimeout (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - DEBUG ((EFI_D_WARN, "Tcp2MSLTimeout: connection closed "
> > - "because TIME_WAIT timer timeouts for TCB %p\n", Tcb));
> > -
> > - TcpClose (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Update the timer status and the next expire time according to the
> timers
> > - to expire in a specific future time slot.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpUpdateTimer (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - UINT16 Index;
> > -
> > - //
> > - // Don't use a too large value to init NextExpire
> > - // since mTcpTick wraps around as sequence no does.
> > - //
> > - Tcb->NextExpire = 65535;
> > - TCP_CLEAR_FLG (Tcb->CtrlFlag, TCP_CTRL_TIMER_ON);
> > -
> > - for (Index = 0; Index < TCP_TIMER_NUMBER; Index++) {
> > -
> > - if (TCP_TIMER_ON (Tcb->EnabledTimer, Index) &&
> > - TCP_TIME_LT (Tcb->Timer[Index], mTcpTick + Tcb->NextExpire)) {
> > -
> > - Tcb->NextExpire = TCP_SUB_TIME (Tcb->Timer[Index], mTcpTick);
> > - TCP_SET_FLG (Tcb->CtrlFlag, TCP_CTRL_TIMER_ON);
> > - }
> > - }
> > -}
> > -
> > -
> > -/**
> > - Enable a TCP timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Timer The index of the timer to be enabled.
> > - @param TimeOut The timeout value of this timer.
> > -
> > -**/
> > -VOID
> > -TcpSetTimer (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT16 Timer,
> > - IN UINT32 TimeOut
> > - )
> > -{
> > - TCP_SET_TIMER (Tcb->EnabledTimer, Timer);
> > - Tcb->Timer[Timer] = mTcpTick + TimeOut;
> > -
> > - TcpUpdateTimer (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Clear one TCP timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Timer The index of the timer to be cleared.
> > -
> > -**/
> > -VOID
> > -TcpClearTimer (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT16 Timer
> > - )
> > -{
> > - TCP_CLEAR_TIMER (Tcb->EnabledTimer, Timer);
> > - TcpUpdateTimer (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Clear all TCP timers.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpClearAllTimer (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - Tcb->EnabledTimer = 0;
> > - TcpUpdateTimer (Tcb);
> > -}
> > -
> > -
> > -/**
> > - Enable the window prober timer and set the timeout value.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSetProbeTimer (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - if (!Tcb->ProbeTimerOn) {
> > - Tcb->ProbeTime = Tcb->Rto;
> > - Tcb->ProbeTimerOn = TRUE;
> > -
> > - } else {
> > - Tcb->ProbeTime <<= 1;
> > - }
> > -
> > - if (Tcb->ProbeTime < TCP_RTO_MIN) {
> > -
> > - Tcb->ProbeTime = TCP_RTO_MIN;
> > - } else if (Tcb->ProbeTime > TCP_RTO_MAX) {
> > -
> > - Tcb->ProbeTime = TCP_RTO_MAX;
> > - }
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_PROBE, Tcb->ProbeTime);
> > -}
> > -
> > -
> > -/**
> > - Enable the keepalive timer and set the timeout value.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSetKeepaliveTimer (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_NO_KEEPALIVE)) {
> > - return ;
> > -
> > - }
> > -
> > - //
> > - // Set the timer to KeepAliveIdle if either
> > - // 1. the keepalive timer is off
> > - // 2. The keepalive timer is on, but the idle
> > - // is less than KeepAliveIdle, that means the
> > - // connection is alive since our last probe.
> > - //
> > - if (!TCP_TIMER_ON (Tcb->EnabledTimer, TCP_TIMER_KEEPALIVE) ||
> > - (Tcb->Idle < Tcb->KeepAliveIdle)) {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_KEEPALIVE, Tcb->KeepAliveIdle);
> > - Tcb->KeepAliveProbes = 0;
> > -
> > - } else {
> > -
> > - TcpSetTimer (Tcb, TCP_TIMER_KEEPALIVE, Tcb->KeepAlivePeriod);
> > - }
> > -}
> > -
> > -
> > -/**
> > - Backoff the RTO.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpBackoffRto (
> > - IN OUT TCP_CB *Tcb
> > - )
> > -{
> > - //
> > - // Fold the RTT estimate if too many times, the estimate
> > - // may be wrong, fold it. So the next time a valid
> > - // measurement is sampled, we can start fresh.
> > - //
> > - if ((Tcb->LossTimes >= TCP_FOLD_RTT) && (Tcb->SRtt != 0)) {
> > - Tcb->RttVar += Tcb->SRtt >> 2;
> > - Tcb->SRtt = 0;
> > - }
> > -
> > - Tcb->Rto <<= 1;
> > -
> > - if (Tcb->Rto < TCP_RTO_MIN) {
> > -
> > - Tcb->Rto = TCP_RTO_MIN;
> > - } else if (Tcb->Rto > TCP_RTO_MAX) {
> > -
> > - Tcb->Rto = TCP_RTO_MAX;
> > - }
> > -}
> > -
> > -
> > -/**
> > - Heart beat timer handler.
> > -
> > - @param Context Context of the timer event, ignored.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -TcpTickingDpc (
> > - IN VOID *Context
> > - )
> > -{
> > - LIST_ENTRY *Entry;
> > - LIST_ENTRY *Next;
> > - TCP_CB *Tcb;
> > - INT16 Index;
> > -
> > - mTcpTick++;
> > - mTcpGlobalIss += 100;
> > -
> > - //
> > - // Don't use LIST_FOR_EACH, which isn't delete safe.
> > - //
> > - for (Entry = mTcpRunQue.ForwardLink; Entry != &mTcpRunQue; Entry =
> > Next) {
> > -
> > - Next = Entry->ForwardLink;
> > -
> > - Tcb = NET_LIST_USER_STRUCT (Entry, TCP_CB, List);
> > -
> > - if (Tcb->State == TCP_CLOSED) {
> > - continue;
> > - }
> > - //
> > - // The connection is doing RTT measurement.
> > - //
> > - if (TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_RTT_ON)) {
> > - Tcb->RttMeasure++;
> > - }
> > -
> > - Tcb->Idle++;
> > -
> > - if (Tcb->DelayedAck != 0) {
> > - TcpSendAck (Tcb);
> > - }
> > -
> > - //
> > - // No timer is active or no timer expired
> > - //
> > - if (!TCP_FLG_ON (Tcb->CtrlFlag, TCP_CTRL_TIMER_ON) ||
> > - ((--Tcb->NextExpire) > 0)) {
> > -
> > - continue;
> > - }
> > -
> > - //
> > - // Call the timeout handler for each expired timer.
> > - //
> > - for (Index = 0; Index < TCP_TIMER_NUMBER; Index++) {
> > -
> > - if (TCP_TIMER_ON (Tcb->EnabledTimer, Index) &&
> > - TCP_TIME_LEQ (Tcb->Timer[Index], mTcpTick)) {
> > - //
> > - // disable the timer before calling the handler
> > - // in case the handler enables it again.
> > - //
> > - TCP_CLEAR_TIMER (Tcb->EnabledTimer, Index);
> > - mTcpTimerHandler[Index](Tcb);
> > -
> > - //
> > - // The Tcb may have been deleted by the timer, or
> > - // no other timer is set.
> > - //
> > - if ((Next->BackLink != Entry) ||
> > - (Tcb->EnabledTimer == 0)) {
> > - break;
> > - }
> > - }
> > - }
> > -
> > - //
> > - // If the Tcb still exist or some timer is set, update the timer
> > - //
> > - if (Index == TCP_TIMER_NUMBER) {
> > - TcpUpdateTimer (Tcb);
> > - }
> > - }
> > -}
> > -
> > -/**
> > - Heart beat timer handler, queues the DPC at TPL_CALLBACK.
> > -
> > - @param Event Timer event signaled, ignored.
> > - @param Context Context of the timer event, ignored.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -TcpTicking (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - QueueDpc (TPL_CALLBACK, TcpTickingDpc, Context);
> > -}
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/ComponentName.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/ComponentName.c
> > deleted file mode 100644
> > index a085ef61f341..000000000000
> > ---
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/ComponentName.c
> > +++ /dev/null
> > @@ -1,365 +0,0 @@
> > -/** @file
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -//
> > -// EFI Component Name Functions
> > -//
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified
> > - in RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] DriverName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - driver specified by This in the
> language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > - This and the language specified by
> Language was
> > - returned in DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL * This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - );
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by a driver.
> > -
> > - This function retrieves the user readable name of the controller
> specified
> > by
> > - ControllerHandle and ChildHandle in the form of a Unicode string. If
> the
> > - driver specified by This has a user readable name in the language
> specified
> > by
> > - Language, then a pointer to the controller name is returned in
> > ControllerName,
> > - and EFI_SUCCESS is returned. If the driver specified by This is not
> currently
> > - managing the controller specified by ControllerHandle and ChildHandle,
> > - then EFI_UNSUPPORTED is returned. If the driver specified by This
> does
> > not
> > - support the language specified by Language, then EFI_UNSUPPORTED is
> > returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > - specified by This is managing. This
> handle
> > - specifies the controller whose name is
> to be
> > - returned.
> > -
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > - the name of. This is an optional
> parameter that
> > - may be NULL. It will be NULL for
> device
> > - drivers. It will also be NULL for a
> bus drivers
> > - that wish to retrieve the name of the
> bus
> > - controller. It will not be NULL for a
> bus
> > - driver that wishes to retrieve the name
> of a
> > - child controller.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified in
> > - RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - controller specified by
> ControllerHandle and
> > - ChildHandle in the language specified
> by
> > - Language from the point of view of the
> driver
> > - specified by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in
> > - the language specified by Language for
> the
> > - driver specified by This was returned
> in
> > - DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid
> > - EFI_HANDLE.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > - managing the controller specified by
> > - ControllerHandle and ChildHandle.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - );
> > -
> > -//
> > -// EFI Component Name Protocol
> > -//
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME_PROTOCOL gPxeBcComponentName = {
> > - PxeBcComponentNameGetDriverName,
> > - PxeBcComponentNameGetControllerName,
> > - "eng"
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED
> > EFI_COMPONENT_NAME2_PROTOCOL gPxeBcComponentName2 = {
> > - (EFI_COMPONENT_NAME2_GET_DRIVER_NAME)
> > PxeBcComponentNameGetDriverName,
> > - (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME)
> > PxeBcComponentNameGetControllerName,
> > - "en"
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > mPxeBcDriverNameTable[] = {
> > - {
> > - "eng;en",
> > - L"UEFI PXE Base Code Driver"
> > - },
> > - {
> > - NULL,
> > - NULL
> > - }
> > -};
> > -
> > -GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> > mPxeBcControllerNameTable[] = {
> > - {
> > - "eng;en",
> > - L"PXE Controller"
> > - },
> > - {
> > - NULL,
> > - NULL
> > - }
> > -};
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified
> > - in RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] DriverName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - driver specified by This in the
> language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > - This and the language specified by
> Language was
> > - returned in DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL * This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - )
> > -{
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - mPxeBcDriverNameTable,
> > - DriverName,
> > - (BOOLEAN)(This == &gPxeBcComponentName)
> > - );
> > -}
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by a driver.
> > -
> > - This function retrieves the user readable name of the controller
> specified
> > by
> > - ControllerHandle and ChildHandle in the form of a Unicode string. If
> the
> > - driver specified by This has a user readable name in the language
> specified
> > by
> > - Language, then a pointer to the controller name is returned in
> > ControllerName,
> > - and EFI_SUCCESS is returned. If the driver specified by This is not
> currently
> > - managing the controller specified by ControllerHandle and ChildHandle,
> > - then EFI_UNSUPPORTED is returned. If the driver specified by This
> does
> > not
> > - support the language specified by Language, then EFI_UNSUPPORTED is
> > returned.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME2_PROTOCOL or
> > - EFI_COMPONENT_NAME_PROTOCOL instance.
> > -
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > - specified by This is managing. This
> handle
> > - specifies the controller whose name is
> to be
> > - returned.
> > -
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > - the name of. This is an optional
> parameter that
> > - may be NULL. It will be NULL for
> device
> > - drivers. It will also be NULL for a
> bus drivers
> > - that wish to retrieve the name of the
> bus
> > - controller. It will not be NULL for a
> bus
> > - driver that wishes to retrieve the name
> of a
> > - child controller.
> > -
> > - @param[in] Language A pointer to a Null-terminated ASCII
> string
> > - array indicating the language. This is
> the
> > - language of the driver name that the
> caller is
> > - requesting, and it must match one of
> the
> > - languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up
> > - to the driver writer. Language is
> specified in
> > - RFC 4646 or ISO 639-2 language code
> format.
> > -
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > - This Unicode string is the name of the
> > - controller specified by
> ControllerHandle and
> > - ChildHandle in the language specified
> by
> > - Language from the point of view of the
> driver
> > - specified by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in
> > - the language specified by Language for
> the
> > - driver specified by This was returned
> in
> > - DriverName.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid
> > - EFI_HANDLE.
> > -
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > -
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > - managing the controller specified by
> > - ControllerHandle and ChildHandle.
> > -
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support
> > - the language specified by Language.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - )
> > -{
> > - EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
> > - EFI_HANDLE NicHandle;
> > - EFI_STATUS Status;
> > -
> > - if (ControllerHandle == NULL || ChildHandle != NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> &gEfiArpProtocolGuid);
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiDhcp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiIp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiUdp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiMtftp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - return EFI_UNSUPPORTED;
> > - }
> > - }
> > - }
> > - }
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - NicHandle,
> > - &gEfiPxeBaseCodeProtocolGuid,
> > - (VOID **) &PxeBc,
> > - NULL,
> > - NULL,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - return LookupUnicodeString2 (
> > - Language,
> > - This->SupportedLanguages,
> > - mPxeBcControllerNameTable,
> > - ControllerName,
> > - (BOOLEAN)(This == &gPxeBcComponentName)
> > - );
> > -}
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
> > deleted file mode 100644
> > index f7b975f2997f..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.c
> > +++ /dev/null
> > @@ -1,1999 +0,0 @@
> > -/** @file
> > - Support for PxeBc dhcp functions.
> > -
> > -Copyright (c) 2013, Red Hat, Inc.
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -//
> > -// This is a map from the interested DHCP4 option tags' index to the
> tag
> > value.
> > -//
> > -UINT8 mInterestedDhcp4Tags[PXEBC_DHCP4_TAG_INDEX_MAX] = {
> > - DHCP4_TAG_BOOTFILE_LEN,
> > - DHCP4_TAG_VENDOR,
> > - DHCP4_TAG_OVERLOAD,
> > - DHCP4_TAG_MSG_TYPE,
> > - DHCP4_TAG_SERVER_ID,
> > - DHCP4_TAG_VENDOR_CLASS_ID,
> > - DHCP4_TAG_BOOTFILE
> > -};
> > -
> > -
> > -/**
> > - This function initialize the DHCP4 message instance.
> > -
> > - This function will pad each item of dhcp4 message packet.
> > -
> > - @param Seed Pointer to the message instance of the DHCP4 packet.
> > - @param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.
> > -
> > -**/
> > -VOID
> > -PxeBcInitSeedPacket (
> > - IN EFI_DHCP4_PACKET *Seed,
> > - IN EFI_UDP4_PROTOCOL *Udp4
> > - )
> > -{
> > - EFI_SIMPLE_NETWORK_MODE Mode;
> > - EFI_DHCP4_HEADER *Header;
> > -
> > - Udp4->GetModeData (Udp4, NULL, NULL, NULL, &Mode);
> > -
> > - Seed->Size = sizeof (EFI_DHCP4_PACKET);
> > - Seed->Length = sizeof (Seed->Dhcp4);
> > -
> > - Header = &Seed->Dhcp4.Header;
> > -
> > - ZeroMem (Header, sizeof (EFI_DHCP4_HEADER));
> > - Header->OpCode = PXEBC_DHCP4_OPCODE_REQUEST;
> > - Header->HwType = Mode.IfType;
> > - Header->HwAddrLen = (UINT8) Mode.HwAddressSize;
> > - CopyMem (Header->ClientHwAddr, &Mode.CurrentAddress, Header-
> > >HwAddrLen);
> > -
> > - Seed->Dhcp4.Magik = PXEBC_DHCP4_MAGIC;
> > - Seed->Dhcp4.Option[0] = DHCP4_TAG_EOP;
> > -}
> > -
> > -
> > -/**
> > - Copy the DCHP4 packet from srouce to destination.
> > -
> > - @param[in] Dst Pointer to the cache buffer for DHCPv4
> packet.
> > - @param[in] Src Pointer to the DHCPv4 packet to be cached.
> > -
> > - @retval EFI_SUCCESS Packet is copied.
> > - @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough
> to
> > hold the packet.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcCopyEfiDhcp4Packet (
> > - IN EFI_DHCP4_PACKET *Dst,
> > - IN EFI_DHCP4_PACKET *Src
> > - )
> > -{
> > - if (Dst->Size < Src->Length) {
> > - return EFI_BUFFER_TOO_SMALL;
> > - }
> > -
> > - CopyMem (&Dst->Dhcp4, &Src->Dhcp4, Src->Length);
> > - Dst->Length = Src->Length;
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Copy the dhcp4 packet to the PxeBc private data and parse the dhcp4
> > packet.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param OfferIndex Index of cached packets as complements of pxe
> > mode data,
> > - the index is maximum offer number.
> > -
> > - @retval EFI_SUCCESS Cache and parse the packet
> successfully.
> > - @retval EFI_BUFFER_TOO_SMALL Cache buffer is not big enough
> to
> > hold the packet.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcCopyProxyOffer (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN UINT32 OfferIndex
> > - )
> > -{
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_DHCP4_PACKET *Offer;
> > - EFI_STATUS Status;
> > -
> > - ASSERT (OfferIndex < Private->NumOffers);
> > - ASSERT (OfferIndex < PXEBC_MAX_OFFER_NUM);
> > -
> > - Mode = Private->PxeBc.Mode;
> > - Offer = &Private->Dhcp4Offers[OfferIndex].Packet.Offer;
> > -
> > - Status = PxeBcCopyEfiDhcp4Packet (&Private->ProxyOffer.Packet.Offer,
> > Offer);
> > - if (EFI_ERROR(Status)) {
> > - return Status;
> > - }
> > - CopyMem (&Mode->ProxyOffer, &Offer->Dhcp4, Offer->Length);
> > - Mode->ProxyOfferReceived = TRUE;
> > -
> > - PxeBcParseCachedDhcpPacket (&Private->ProxyOffer);
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Parse the cached dhcp packet.
> > -
> > - @param CachedPacket Pointer to cached dhcp packet.
> > -
> > - @retval TRUE Succeed to parse and validation.
> > - @retval FALSE Fail to parse or validation.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcParseCachedDhcpPacket (
> > - IN PXEBC_CACHED_DHCP4_PACKET *CachedPacket
> > - )
> > -{
> > - EFI_DHCP4_PACKET *Offer;
> > - EFI_DHCP4_PACKET_OPTION **Options;
> > - EFI_DHCP4_PACKET_OPTION *Option;
> > - UINT8 OfferType;
> > - UINTN Index;
> > - UINT8 *Ptr8;
> > -
> > - CachedPacket->IsPxeOffer = FALSE;
> > - ZeroMem (CachedPacket->Dhcp4Option, sizeof (CachedPacket-
> > >Dhcp4Option));
> > - ZeroMem (&CachedPacket->PxeVendorOption, sizeof (CachedPacket-
> > >PxeVendorOption));
> > -
> > - Offer = &CachedPacket->Packet.Offer;
> > - Options = CachedPacket->Dhcp4Option;
> > -
> > - //
> > - // Parse interested dhcp options and store their pointers in
> CachedPacket-
> > >Dhcp4Option.
> > - // First, try to parse DHCPv4 options from the DHCP optional
> parameters
> > field.
> > - //
> > - for (Index = 0; Index < PXEBC_DHCP4_TAG_INDEX_MAX; Index++) {
> > - Options[Index] = PxeBcParseExtendOptions (
> > - Offer->Dhcp4.Option,
> > - GET_OPTION_BUFFER_LEN (Offer),
> > - mInterestedDhcp4Tags[Index]
> > - );
> > - }
> > - //
> > - // Second, Check if bootfilename and serverhostname is overloaded to
> > carry DHCP options refers to rfc-2132.
> > - // If yes, try to parse options from the BootFileName field, then
> > ServerName field.
> > - //
> > - Option = Options[PXEBC_DHCP4_TAG_INDEX_OVERLOAD];
> > - if (Option != NULL) {
> > - if ((Option->Data[0] & PXEBC_DHCP4_OVERLOAD_FILE) != 0) {
> > - for (Index = 0; Index < PXEBC_DHCP4_TAG_INDEX_MAX; Index++) {
> > - if (Options[Index] == NULL) {
> > - Options[Index] = PxeBcParseExtendOptions (
> > - (UINT8 *) Offer->Dhcp4.Header.BootFileName,
> > - sizeof (Offer->Dhcp4.Header.BootFileName),
> > - mInterestedDhcp4Tags[Index]
> > - );
> > - }
> > - }
> > - }
> > - if ((Option->Data[0] & PXEBC_DHCP4_OVERLOAD_SERVER_NAME) != 0) {
> > - for (Index = 0; Index < PXEBC_DHCP4_TAG_INDEX_MAX; Index++) {
> > - if (Options[Index] == NULL) {
> > - Options[Index] = PxeBcParseExtendOptions (
> > - (UINT8 *) Offer->Dhcp4.Header.ServerName,
> > - sizeof (Offer->Dhcp4.Header.ServerName),
> > - mInterestedDhcp4Tags[Index]
> > - );
> > - }
> > - }
> > - }
> > - }
> > -
> > - //
> > - // Check whether is an offer with PXEClient or not.
> > - //
> > - Option = Options[PXEBC_DHCP4_TAG_INDEX_CLASS_ID];
> > - if ((Option != NULL) && (Option->Length >= 9) &&
> > - (CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 9) == 0)) {
> > -
> > - CachedPacket->IsPxeOffer = TRUE;
> > - }
> > -
> > - //
> > - // Parse pxe vendor options and store their content/pointers in
> > CachedPacket->PxeVendorOption.
> > - //
> > - Option = Options[PXEBC_DHCP4_TAG_INDEX_VENDOR];
> > - if (CachedPacket->IsPxeOffer && (Option != NULL)) {
> > -
> > - if (!PxeBcParseVendorOptions (Option, &CachedPacket-
> > >PxeVendorOption)) {
> > - return FALSE;
> > - }
> > - }
> > -
> > -
> > - //
> > - // Parse PXE boot file name:
> > - // According to PXE spec, boot file name should be read from DHCP
> option
> > 67 (bootfile name) if present.
> > - // Otherwise, read from boot file field in DHCP header.
> > - //
> > - if (Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] != NULL) {
> > - //
> > - // RFC 2132, Section 9.5 does not strictly state Bootfile name
> (option 67) is
> > null
> > - // terminated string. So force to append null terminated character
> at the
> > end of string.
> > - //
> > - Ptr8 = (UINT8*)&Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]-
> > >Data[0];
> > - Ptr8 += Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]->Length;
> > - if (*(Ptr8 - 1) != '\0') {
> > - *Ptr8 = '\0';
> > - }
> > - } else if (Offer->Dhcp4.Header.BootFileName[0] != 0) {
> > - //
> > - // If the bootfile is not present and bootfilename is present in
> dhcp packet,
> > just parse it.
> > - // And do not count dhcp option header, or else will destroy the
> > serverhostname.
> > - //
> > - // Make sure "BootFileName" is not overloaded.
> > - //
> > - if (Options[PXEBC_DHCP4_TAG_INDEX_OVERLOAD] == NULL ||
> > - (Options[PXEBC_DHCP4_TAG_INDEX_OVERLOAD]->Data[0] &
> > PXEBC_DHCP4_OVERLOAD_FILE) == 0) {
> > - Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] =
> > (EFI_DHCP4_PACKET_OPTION *) (&Offer->Dhcp4.Header.BootFileName[0] -
> > - OFFSET_OF
> (EFI_DHCP4_PACKET_OPTION, Data[0]));
> > - }
> > - }
> > -
> > - //
> > - // Determine offer type of the dhcp packet.
> > - //
> > - Option = Options[PXEBC_DHCP4_TAG_INDEX_MSG_TYPE];
> > - if ((Option == NULL) || (Option->Data[0] == 0)) {
> > - //
> > - // It's a bootp offer
> > - //
> > - Option = CachedPacket-
> > >Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE];
> > - if (Option == NULL) {
> > - //
> > - // bootp offer without bootfilename, discard it.
> > - //
> > - return FALSE;
> > - }
> > -
> > - OfferType = DHCP4_PACKET_TYPE_BOOTP;
> > -
> > - } else {
> > -
> > - if (IS_VALID_DISCOVER_VENDOR_OPTION (CachedPacket-
> > >PxeVendorOption.BitMap)) {
> > - //
> > - // It's a pxe10 offer with PXEClient and discover vendor option.
> > - //
> > - OfferType = DHCP4_PACKET_TYPE_PXE10;
> > - } else if (IS_VALID_MTFTP_VENDOR_OPTION (CachedPacket-
> > >PxeVendorOption.BitMap)) {
> > - //
> > - // It's a wfm11a offer with PXEClient and mtftp vendor option,
> and
> > - // return false since mtftp not supported currently.
> > - //
> > - return FALSE;
> > - } else {
> > - //
> > - // If the binl offer with only PXEClient.
> > - //
> > - OfferType = (UINT8) ((CachedPacket->IsPxeOffer) ?
> > DHCP4_PACKET_TYPE_BINL : DHCP4_PACKET_TYPE_DHCP_ONLY);
> > - }
> > - }
> > -
> > - CachedPacket->OfferType = OfferType;
> > -
> > - return TRUE;
> > -}
> > -
> > -
> > -/**
> > - Offer dhcp service with a BINL dhcp offer.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Index Index of cached packets as complements of pxe mode
> > data,
> > - the index is maximum offer number.
> > -
> > - @retval TRUE Offer the service successfully under priority BINL.
> > - @retval FALSE Boot Service failed, parse cached dhcp packet
> failed or this
> > - BINL ack cannot find options set or bootfile name
> specified.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcTryBinl (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN UINT32 Index
> > - )
> > -{
> > - EFI_DHCP4_PACKET *Offer;
> > - EFI_IP_ADDRESS ServerIp;
> > - EFI_STATUS Status;
> > - PXEBC_CACHED_DHCP4_PACKET *CachedPacket;
> > - EFI_DHCP4_PACKET *Reply;
> > -
> > - ASSERT (Index < PXEBC_MAX_OFFER_NUM);
> > - ASSERT (Private->Dhcp4Offers[Index].OfferType ==
> > DHCP4_PACKET_TYPE_BINL);
> > -
> > - Offer = &Private->Dhcp4Offers[Index].Packet.Offer;
> > -
> > - //
> > - // Use siaddr(next server) in DHCPOFFER packet header, if zero, use
> option
> > 54(server identifier)
> > - // in DHCPOFFER packet.
> > - // (It does not comply with PXE Spec, Ver2.1)
> > - //
> > - if (EFI_IP4_EQUAL (&Offer->Dhcp4.Header.ServerAddr.Addr,
> > &mZeroIp4Addr)) {
> > - CopyMem (
> > - &ServerIp.Addr[0],
> > - Private-
> > >Dhcp4Offers[Index].Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_SERVER_ID]
> > ->Data,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - } else {
> > - CopyMem (
> > - &ServerIp.Addr[0],
> > - &Offer->Dhcp4.Header.ServerAddr,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - }
> > - if (ServerIp.Addr[0] == 0) {
> > - return FALSE;
> > - }
> > -
> > - CachedPacket = &Private->ProxyOffer;
> > - Reply = &CachedPacket->Packet.Offer;
> > -
> > - Status = PxeBcDiscvBootService (
> > - Private,
> > - 0,
> > - NULL,
> > - FALSE,
> > - &ServerIp,
> > - 0,
> > - NULL,
> > - FALSE,
> > - Reply
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return FALSE;
> > - }
> > -
> > - if (!PxeBcParseCachedDhcpPacket (CachedPacket)) {
> > - return FALSE;
> > - }
> > -
> > - if ((CachedPacket->OfferType != DHCP4_PACKET_TYPE_PXE10) &&
> > - (CachedPacket->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]
> > == NULL)) {
> > - //
> > - // This BINL ack doesn't have discovery options set or bootfile
> name
> > - // specified.
> > - //
> > - return FALSE;
> > - }
> > -
> > - Private->PxeBc.Mode->ProxyOfferReceived = TRUE;
> > - CopyMem (&Private->PxeBc.Mode->ProxyOffer, &Reply->Dhcp4, Reply-
> > >Length);
> > -
> > - return TRUE;
> > -}
> > -
> > -
> > -/**
> > - Offer dhcp service for each proxy with a BINL dhcp offer.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param OfferIndex Pointer to the index of cached packets as
> > complements of
> > - pxe mode data, the index is maximum offer number.
> > -
> > - @return If there is no service needed offer return FALSE, otherwise
> TRUE.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcTryBinlProxy (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - OUT UINT32 *OfferIndex
> > - )
> > -{
> > - UINT32 Index;
> > -
> > - for (Index = 0; Index < Private->ProxyIndex[DHCP4_PACKET_TYPE_BINL];
> > Index++) {
> > -
> > - *OfferIndex = Private->BinlIndex[Index];
> > - //
> > - // Try this BINL proxy offer
> > - //
> > - if (PxeBcTryBinl (Private, *OfferIndex)) {
> > - return TRUE;
> > - }
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -
> > -/**
> > - This function is to check the selected proxy offer (include BINL dhcp
> offer
> > and
> > - DHCP_ONLY offer ) and set the flag and copy the DHCP packets to the
> Pxe
> > base code
> > - mode structure.
> > -
> > - @param Private Pointer to PxeBc private data.
> > -
> > - @retval EFI_SUCCESS Operational successful.
> > - @retval EFI_NO_RESPONSE Offer dhcp service failed.
> > - @retval EFI_BUFFER_TOO_SMALL Failed to copy the packet to Pxe
> base
> > code mode.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcCheckSelectedOffer (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - )
> > -{
> > - PXEBC_CACHED_DHCP4_PACKET *SelectedOffer;
> > - EFI_DHCP4_PACKET_OPTION **Options;
> > - UINT32 Index;
> > - EFI_DHCP4_PACKET *Offer;
> > - UINT32 ProxyOfferIndex;
> > - EFI_STATUS Status;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_DHCP4_PACKET *Ack;
> > -
> > - ASSERT (Private->SelectedOffer != 0);
> > -
> > - Status = EFI_SUCCESS;
> > - SelectedOffer = &Private->Dhcp4Offers[Private->SelectedOffer - 1];
> > - Options = SelectedOffer->Dhcp4Option;
> > -
> > - if (SelectedOffer->OfferType == DHCP4_PACKET_TYPE_BINL) {
> > - //
> > - // The addresses are acquired from a BINL dhcp offer, try BINL to
> get
> > - // the bootfile name
> > - //
> > - if (!PxeBcTryBinl (Private, Private->SelectedOffer - 1)) {
> > - Status = EFI_NO_RESPONSE;
> > - }
> > - } else if (SelectedOffer->OfferType == DHCP4_PACKET_TYPE_DHCP_ONLY)
> > {
> > - //
> > - // The selected offer to finish the D.O.R.A. is a DHCP only offer,
> we need
> > - // try proxy offers if there are some, othewise the bootfile name
> must be
> > - // set in this DHCP only offer.
> > - //
> > - if (Private->GotProxyOffer) {
> > - //
> > - // Get rid of the compiler warning.
> > - //
> > - ProxyOfferIndex = 0;
> > - if (Private->SortOffers) {
> > - //
> > - // The offers are sorted before selecting, the proxy offer type
> must be
> > - // already determined.
> > - //
> > - ASSERT (Private->ProxyIndex[Private->ProxyOfferType] > 0);
> > -
> > - if (Private->ProxyOfferType == DHCP4_PACKET_TYPE_BINL) {
> > - //
> > - // We buffer all received BINL proxy offers, try them all one
> by one
> > - //
> > - if (!PxeBcTryBinlProxy (Private, &ProxyOfferIndex)) {
> > - Status = EFI_NO_RESPONSE;
> > - }
> > - } else {
> > - //
> > - // For other types, only one proxy offer is buffered.
> > - //
> > - ProxyOfferIndex = Private->ProxyIndex[Private->ProxyOfferType]
> - 1;
> > - }
> > - } else {
> > - //
> > - // The proxy offer type is not determined, choose proxy offer
> in the
> > - // received order.
> > - //
> > - Status = EFI_NO_RESPONSE;
> > -
> > - ASSERT (Private->NumOffers < PXEBC_MAX_OFFER_NUM);
> > - for (Index = 0; Index < Private->NumOffers; Index++) {
> > -
> > - Offer = &Private->Dhcp4Offers[Index].Packet.Offer;
> > - if (!IS_PROXY_DHCP_OFFER (Offer)) {
> > - //
> > - // Skip non proxy dhcp offers.
> > - //
> > - continue;
> > - }
> > -
> > - if (Private->Dhcp4Offers[Index].OfferType ==
> > DHCP4_PACKET_TYPE_BINL) {
> > - //
> > - // Try BINL
> > - //
> > - if (!PxeBcTryBinl (Private, Index)) {
> > - //
> > - // Failed, skip to the next offer
> > - //
> > - continue;
> > - }
> > - }
> > -
> > - Private->ProxyOfferType = Private-
> >Dhcp4Offers[Index].OfferType;
> > - ProxyOfferIndex = Index;
> > - Status = EFI_SUCCESS;
> > - break;
> > - }
> > - }
> > -
> > - if (!EFI_ERROR (Status) && (Private->ProxyOfferType !=
> > DHCP4_PACKET_TYPE_BINL)) {
> > - //
> > - // Copy the proxy offer to Mode and set the flag
> > - //
> > - Status = PxeBcCopyProxyOffer (Private, ProxyOfferIndex);
> > - }
> > - } else {
> > - //
> > - // No proxy offer is received, the bootfile name MUST be set.
> > - //
> > - ASSERT (Options[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] != NULL);
> > - }
> > - }
> > -
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Everything is OK, set the flag and copy the DHCP packets.
> > - //
> > - Mode = Private->PxeBc.Mode;
> > - Offer = &SelectedOffer->Packet.Offer;
> > -
> > - //
> > - // The discover packet is already copied, just set flag here.
> > - //
> > - Mode->DhcpDiscoverValid = TRUE;
> > -
> > - Ack = &Private->Dhcp4Ack.Packet.Ack;
> > - if (SelectedOffer->OfferType == DHCP4_PACKET_TYPE_BOOTP) {
> > - //
> > - // Other type of ACK is already cached. Bootp is special that we
> should
> > - // use the bootp reply as the ACK and put it into the DHCP_ONLY
> buffer.
> > - //
> > - Status = PxeBcCopyEfiDhcp4Packet (&Private->Dhcp4Ack.Packet.Ack,
> > Offer);
> > - }
> > -
> > - PxeBcParseCachedDhcpPacket (&Private->Dhcp4Ack);
> > -
> > - Mode->DhcpAckReceived = TRUE;
> > -
> > - //
> > - // Copy the dhcp ack.
> > - //
> > - CopyMem (&Mode->DhcpAck, &Ack->Dhcp4, Ack->Length);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Cache the Dhcp4 packet offer, Parse and validate each option of the
> packet.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param RcvdOffer Pointer to the received Dhcp proxy offer packet.
> > -
> > - @retval EFI_SUCCESS Cache and parse the packet successfully.
> > - @retval Others Operation failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcCacheDhcpOffer (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_DHCP4_PACKET *RcvdOffer
> > - )
> > -{
> > - PXEBC_CACHED_DHCP4_PACKET *CachedOffer;
> > - EFI_DHCP4_PACKET *Offer;
> > - UINT8 OfferType;
> > - EFI_STATUS Status;
> > -
> > - CachedOffer = &Private->Dhcp4Offers[Private->NumOffers];
> > - Offer = &CachedOffer->Packet.Offer;
> > -
> > - //
> > - // Cache the orignal dhcp packet
> > - //
> > - Status = PxeBcCopyEfiDhcp4Packet (Offer, RcvdOffer);
> > - if (EFI_ERROR(Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Parse and validate the options (including dhcp option and vendor
> option)
> > - //
> > - if (!PxeBcParseCachedDhcpPacket (CachedOffer)) {
> > - return EFI_ABORTED;
> > - }
> > -
> > - OfferType = CachedOffer->OfferType;
> > - if (OfferType >= DHCP4_PACKET_TYPE_MAX) {
> > - return EFI_ABORTED;
> > - }
> > -
> > - if (OfferType == DHCP4_PACKET_TYPE_BOOTP) {
> > -
> > - if (Private->BootpIndex != 0) {
> > - //
> > - // Only cache the first bootp offer, discard others.
> > - //
> > - return EFI_ABORTED;
> > - } else {
> > - //
> > - // Take as a dhcp only offer, but record index specifically.
> > - //
> > - Private->BootpIndex = Private->NumOffers + 1;
> > - }
> > - } else {
> > -
> > - if (IS_PROXY_DHCP_OFFER (Offer)) {
> > - //
> > - // It's a proxy dhcp offer with no your address, including pxe10,
> wfm11a
> > or binl offer.
> > - //
> > - Private->GotProxyOffer = TRUE;
> > -
> > - if (OfferType == DHCP4_PACKET_TYPE_BINL) {
> > - //
> > - // Cache all binl offers.
> > - //
> > - Private->BinlIndex[Private->ProxyIndex[DHCP4_PACKET_TYPE_BINL]]
> =
> > Private->NumOffers;
> > - Private->ProxyIndex[DHCP4_PACKET_TYPE_BINL]++;
> > - } else if (Private->ProxyIndex[OfferType] != 0) {
> > - //
> > - // Only cache the first pxe10/wfm11a offers each, discard the
> others.
> > - //
> > - return EFI_ABORTED;
> > - } else {
> > - //
> > - // Record index of the proxy dhcp offer with type other than
> binl.
> > - //
> > - Private->ProxyIndex[OfferType] = Private->NumOffers + 1;
> > - }
> > - } else {
> > - //
> > - // It's a dhcp offer with your address.
> > - //
> > - ASSERT (Private->ServerCount[OfferType] < PXEBC_MAX_OFFER_NUM);
> > - Private->OfferIndex[OfferType][Private->ServerCount[OfferType]] =
> > Private->NumOffers;
> > - Private->ServerCount[OfferType]++;
> > - }
> > - }
> > -
> > - //
> > - // Count the accepted offers.
> > - //
> > - Private->NumOffers++;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Switch the Ip4 policy to static.
> > -
> > - @param[in] Private The pointer to PXEBC_PRIVATE_DATA.
> > -
> > - @retval EFI_SUCCESS The policy is already configured to
> static.
> > - @retval Others Other error as indicated..
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSetIp4Policy (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
> > - EFI_IP4_CONFIG2_POLICY Policy;
> > - UINTN DataSize;
> > -
> > - Ip4Config2 = Private->Ip4Config2;
> > - DataSize = sizeof (EFI_IP4_CONFIG2_POLICY);
> > - Status = Ip4Config2->GetData (
> > - Ip4Config2,
> > - Ip4Config2DataTypePolicy,
> > - &DataSize,
> > - &Policy
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - if (Policy != Ip4Config2PolicyStatic) {
> > - Policy = Ip4Config2PolicyStatic;
> > - Status= Ip4Config2->SetData (
> > - Ip4Config2,
> > - Ip4Config2DataTypePolicy,
> > - sizeof (EFI_IP4_CONFIG2_POLICY),
> > - &Policy
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Select the specified proxy offer, such as BINL, DHCP_ONLY and so on.
> > - If the proxy does not exist, try offers with bootfile.
> > -
> > - @param Private Pointer to PxeBc private data.
> > -
> > -**/
> > -VOID
> > -PxeBcSelectOffer (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - )
> > -{
> > - UINT32 Index;
> > - UINT32 OfferIndex;
> > - EFI_DHCP4_PACKET *Offer;
> > -
> > - Private->SelectedOffer = 0;
> > -
> > - if (Private->SortOffers) {
> > - //
> > - // Select offer according to the priority
> > - //
> > - if (Private->ServerCount[DHCP4_PACKET_TYPE_PXE10] > 0) {
> > - //
> > - // DHCP with PXE10
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_PXE10][0] + 1;
> > -
> > - } else if (Private->ServerCount[DHCP4_PACKET_TYPE_WFM11A] > 0) {
> > - //
> > - // DHCP with WfM
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_WFM11A][0] + 1;
> > -
> > - } else if ((Private->ProxyIndex[DHCP4_PACKET_TYPE_PXE10] > 0) &&
> > - (Private->ServerCount[DHCP4_PACKET_TYPE_DHCP_ONLY] > 0)
> > - ) {
> > - //
> > - // DHCP only and proxy DHCP with PXE10
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_DHCP_ONLY][0] + 1;
> > - Private->ProxyOfferType = DHCP4_PACKET_TYPE_PXE10;
> > -
> > - } else if ((Private->ProxyIndex[DHCP4_PACKET_TYPE_WFM11A] > 0) &&
> > - (Private->ServerCount[DHCP4_PACKET_TYPE_DHCP_ONLY] > 0)
> > - ) {
> > - //
> > - // DHCP only and proxy DHCP with WfM
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_DHCP_ONLY][0] + 1;
> > - Private->ProxyOfferType = DHCP4_PACKET_TYPE_WFM11A;
> > -
> > - } else if (Private->ServerCount[DHCP4_PACKET_TYPE_BINL] > 0) {
> > - //
> > - // DHCP with BINL
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_BINL][0] + 1;
> > -
> > - } else if ((Private->ProxyIndex[DHCP4_PACKET_TYPE_BINL] > 0) &&
> > - (Private->ServerCount[DHCP4_PACKET_TYPE_DHCP_ONLY] > 0)
> > - ) {
> > - //
> > - // DHCP only and proxy DHCP with BINL
> > - //
> > - Private->SelectedOffer = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_DHCP_ONLY][0] + 1;
> > - Private->ProxyOfferType = DHCP4_PACKET_TYPE_BINL;
> > -
> > - } else {
> > - //
> > - // Try offers with bootfile
> > - //
> > - for (Index = 0; Index < Private-
> > >ServerCount[DHCP4_PACKET_TYPE_DHCP_ONLY]; Index++) {
> > - //
> > - // Select the first DHCP only offer with bootfile
> > - //
> > - OfferIndex = Private-
> > >OfferIndex[DHCP4_PACKET_TYPE_DHCP_ONLY][Index];
> > - if (Private-
> > >Dhcp4Offers[OfferIndex].Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTF
> > ILE] != NULL) {
> > - Private->SelectedOffer = OfferIndex + 1;
> > - break;
> > - }
> > - }
> > -
> > - if (Private->SelectedOffer == 0) {
> > - //
> > - // Select the Bootp reply with bootfile if any
> > - //
> > - Private->SelectedOffer = Private->BootpIndex;
> > - }
> > - }
> > - } else {
> > - //
> > - // Try the offers in the received order.
> > - //
> > - for (Index = 0; Index < Private->NumOffers; Index++) {
> > -
> > - Offer = &Private->Dhcp4Offers[Index].Packet.Offer;
> > -
> > - if (IS_PROXY_DHCP_OFFER (Offer)) {
> > - //
> > - // Skip proxy offers
> > - //
> > - continue;
> > - }
> > -
> > - if ((Private->Dhcp4Offers[Index].OfferType ==
> > DHCP4_PACKET_TYPE_DHCP_ONLY) &&
> > - ((!Private->GotProxyOffer) && (Private-
> > >Dhcp4Offers[Index].Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]
> > == NULL))) {
> > - //
> > - // DHCP only offer but no proxy offer received and no bootfile
> option in
> > this offer
> > - //
> > - continue;
> > - }
> > -
> > - Private->SelectedOffer = Index + 1;
> > - break;
> > - }
> > - }
> > -}
> > -
> > -
> > -/**
> > - Callback routine.
> > -
> > - EFI_DHCP4_CALLBACK is provided by the consumer of the EFI DHCPv4
> > Protocol driver
> > - to intercept events that occurred in the configuration process. This
> > structure
> > - provides advanced control of each state transition of the DHCP
> process.
> > The
> > - returned status code determines the behavior of the EFI DHCPv4
> Protocol
> > driver.
> > - There are three possible returned values, which are described in the
> > following
> > - table.
> > -
> > - @param This Pointer to the EFI DHCPv4 Protocol
> instance that is
> > used to
> > - configure this callback function.
> > - @param Context Pointer to the context that is
> initialized by
> > - EFI_DHCP4_PROTOCOL.Configure().
> > - @param CurrentState The current operational state of the
> EFI DHCPv4
> > Protocol
> > - driver.
> > - @param Dhcp4Event The event that occurs in the current
> state,
> > which usually means a
> > - state transition.
> > - @param Packet The DHCP packet that is going to be
> sent or already
> > received.
> > - @param NewPacket The packet that is used to replace the
> above
> > Packet.
> > -
> > - @retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to
> continue
> > the DHCP process.
> > - @retval EFI_NOT_READY Only used in the Dhcp4Selecting state.
> The EFI
> > DHCPv4 Protocol
> > - driver will continue to wait for more
> DHCPOFFER packets
> > until the retry
> > - timeout expires.
> > - @retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to
> abort
> > the current process and
> > - return to the Dhcp4Init or
> Dhcp4InitReboot state.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDhcpCallBack (
> > - IN EFI_DHCP4_PROTOCOL * This,
> > - IN VOID *Context,
> > - IN EFI_DHCP4_STATE CurrentState,
> > - IN EFI_DHCP4_EVENT Dhcp4Event,
> > - IN EFI_DHCP4_PACKET * Packet OPTIONAL,
> > - OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
> > - EFI_DHCP4_PACKET_OPTION *MaxMsgSize;
> > - UINT16 Value;
> > - EFI_STATUS Status;
> > - BOOLEAN Received;
> > - EFI_DHCP4_HEADER *DhcpHeader;
> > -
> > - if ((Dhcp4Event != Dhcp4RcvdOffer) &&
> > - (Dhcp4Event != Dhcp4SelectOffer) &&
> > - (Dhcp4Event != Dhcp4SendDiscover) &&
> > - (Dhcp4Event != Dhcp4RcvdAck) &&
> > - (Dhcp4Event != Dhcp4SendRequest)) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - Private = (PXEBC_PRIVATE_DATA *) Context;
> > - Mode = Private->PxeBc.Mode;
> > - Callback = Private->PxeBcCallback;
> > -
> > - //
> > - // Override the Maximum DHCP Message Size.
> > - //
> > - MaxMsgSize = PxeBcParseExtendOptions (
> > - Packet->Dhcp4.Option,
> > - GET_OPTION_BUFFER_LEN (Packet),
> > - DHCP4_TAG_MAXMSG
> > - );
> > - if (MaxMsgSize != NULL) {
> > - Value = HTONS (PXEBC_DHCP4_MAX_PACKET_SIZE);
> > - CopyMem (MaxMsgSize->Data, &Value, sizeof (Value));
> > - }
> > -
> > - if ((Dhcp4Event != Dhcp4SelectOffer) && (Callback != NULL)) {
> > - Received = (BOOLEAN) ((Dhcp4Event == Dhcp4RcvdOffer) || (Dhcp4Event
> > == Dhcp4RcvdAck));
> > - Status = Callback->Callback (
> > - Callback,
> > - Private->Function,
> > - Received,
> > - Packet->Length,
> > - (EFI_PXE_BASE_CODE_PACKET *) &Packet->Dhcp4
> > - );
> > - if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {
> > - return EFI_ABORTED;
> > - }
> > - }
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - switch (Dhcp4Event) {
> > -
> > - case Dhcp4SendDiscover:
> > - case Dhcp4SendRequest:
> > - if (Packet->Length > PXEBC_DHCP4_MAX_PACKET_SIZE) {
> > - //
> > - // If the to be sent packet exceeds the maximum length, abort the
> DHCP
> > process.
> > - //
> > - Status = EFI_ABORTED;
> > - break;
> > - }
> > -
> > - if (Mode->SendGUID) {
> > - //
> > - // send the system GUID instead of the MAC address as the
> hardware
> > address
> > - // in the DHCP packet header.
> > - //
> > - DhcpHeader = &Packet->Dhcp4.Header;
> > -
> > - if (EFI_ERROR (NetLibGetSystemGuid ((EFI_GUID *) DhcpHeader-
> > >ClientHwAddr))) {
> > - //
> > - // GUID not yet set - send all 0xff's to show programable (via
> SetVariable)
> > - // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid,
> > sizeof(EFI_GUID), 0xff);
> > - // GUID not yet set - send all 0's to show not programable
> > - //
> > - DEBUG ((EFI_D_WARN, "PXE: Failed to read system GUID from the
> > smbios table!\n"));
> > - ZeroMem (DhcpHeader->ClientHwAddr, sizeof (EFI_GUID));
> > - }
> > -
> > - DhcpHeader->HwAddrLen = (UINT8) sizeof (EFI_GUID);
> > - }
> > -
> > - if (Dhcp4Event == Dhcp4SendDiscover) {
> > - //
> > - // Cache the dhcp discover packet, of which some information will
> be
> > used later.
> > - //
> > - CopyMem (Mode->DhcpDiscover.Raw, &Packet->Dhcp4, Packet-
> > >Length);
> > - }
> > -
> > - break;
> > -
> > - case Dhcp4RcvdOffer:
> > - Status = EFI_NOT_READY;
> > - if (Packet->Length > PXEBC_DHCP4_MAX_PACKET_SIZE) {
> > - //
> > - // Ignore the incoming Offers which exceed the maximum length.
> > - //
> > - break;
> > - }
> > -
> > - if (Private->NumOffers < PXEBC_MAX_OFFER_NUM) {
> > - //
> > - // Cache the dhcp offers in Private->Dhcp4Offers[]
> > - // If error happens, just ignore this packet and continue to wait
> more
> > offer.
> > - //
> > - PxeBcCacheDhcpOffer (Private, Packet);
> > - }
> > -
> > - break;
> > -
> > - case Dhcp4SelectOffer:
> > - //
> > - // Select an offer, if succeeded, Private->SelectedOffer points to
> > - // the index of the selected one.
> > - //
> > - PxeBcSelectOffer (Private);
> > -
> > - if (Private->SelectedOffer == 0) {
> > - Status = EFI_ABORTED;
> > - } else {
> > - *NewPacket = &Private->Dhcp4Offers[Private->SelectedOffer -
> > 1].Packet.Offer;
> > - }
> > -
> > - break;
> > -
> > - case Dhcp4RcvdAck:
> > - //
> > - // Cache Ack
> > - //
> > - ASSERT (Private->SelectedOffer != 0);
> > -
> > - Status = PxeBcCopyEfiDhcp4Packet (&Private->Dhcp4Ack.Packet.Ack,
> > Packet);
> > - if (EFI_ERROR (Status)) {
> > - return EFI_ABORTED;
> > - }
> > - break;
> > -
> > - default:
> > - break;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Initialize the DHCP options and build the option list.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param OptList Pointer to a DHCP option list.
> > -
> > - @param IsDhcpDiscover Discover dhcp option or not.
> > -
> > - @return The index item number of the option list.
> > -
> > -**/
> > -UINT32
> > -PxeBcBuildDhcpOptions (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_DHCP4_PACKET_OPTION **OptList,
> > - IN BOOLEAN IsDhcpDiscover
> > - )
> > -{
> > - UINT32 Index;
> > - PXEBC_DHCP4_OPTION_ENTRY OptEnt;
> > - UINT16 Value;
> > -
> > - Index = 0;
> > - OptList[0] = (EFI_DHCP4_PACKET_OPTION *) Private->OptionBuffer;
> > -
> > - if (!IsDhcpDiscover) {
> > - //
> > - // Append message type.
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_MSG_TYPE;
> > - OptList[Index]->Length = 1;
> > - OptEnt.Mesg = (PXEBC_DHCP4_OPTION_MESG *)
> OptList[Index]-
> > >Data;
> > - OptEnt.Mesg->Type = PXEBC_DHCP4_MSG_TYPE_REQUEST;
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > -
> > - //
> > - // Append max message size.
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_MAXMSG;
> > - OptList[Index]->Length = (UINT8) sizeof
> > (PXEBC_DHCP4_OPTION_MAX_MESG_SIZE);
> > - OptEnt.MaxMesgSize = (PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *)
> > OptList[Index]->Data;
> > - Value = NTOHS (PXEBC_DHCP4_MAX_PACKET_SIZE);
> > - CopyMem (&OptEnt.MaxMesgSize->Size, &Value, sizeof (UINT16));
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > - }
> > - //
> > - // Parameter request list option.
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_PARA_LIST;
> > - OptList[Index]->Length = 35;
> > - OptEnt.Para = (PXEBC_DHCP4_OPTION_PARA *)
> OptList[Index]-
> > >Data;
> > - OptEnt.Para->ParaList[0] = DHCP4_TAG_NETMASK;
> > - OptEnt.Para->ParaList[1] = DHCP4_TAG_TIME_OFFSET;
> > - OptEnt.Para->ParaList[2] = DHCP4_TAG_ROUTER;
> > - OptEnt.Para->ParaList[3] = DHCP4_TAG_TIME_SERVER;
> > - OptEnt.Para->ParaList[4] = DHCP4_TAG_NAME_SERVER;
> > - OptEnt.Para->ParaList[5] = DHCP4_TAG_DNS_SERVER;
> > - OptEnt.Para->ParaList[6] = DHCP4_TAG_HOSTNAME;
> > - OptEnt.Para->ParaList[7] = DHCP4_TAG_BOOTFILE_LEN;
> > - OptEnt.Para->ParaList[8] = DHCP4_TAG_DOMAINNAME;
> > - OptEnt.Para->ParaList[9] = DHCP4_TAG_ROOTPATH;
> > - OptEnt.Para->ParaList[10] = DHCP4_TAG_EXTEND_PATH;
> > - OptEnt.Para->ParaList[11] = DHCP4_TAG_EMTU;
> > - OptEnt.Para->ParaList[12] = DHCP4_TAG_TTL;
> > - OptEnt.Para->ParaList[13] = DHCP4_TAG_BROADCAST;
> > - OptEnt.Para->ParaList[14] = DHCP4_TAG_NIS_DOMAIN;
> > - OptEnt.Para->ParaList[15] = DHCP4_TAG_NIS_SERVER;
> > - OptEnt.Para->ParaList[16] = DHCP4_TAG_NTP_SERVER;
> > - OptEnt.Para->ParaList[17] = DHCP4_TAG_VENDOR;
> > - OptEnt.Para->ParaList[18] = DHCP4_TAG_REQUEST_IP;
> > - OptEnt.Para->ParaList[19] = DHCP4_TAG_LEASE;
> > - OptEnt.Para->ParaList[20] = DHCP4_TAG_SERVER_ID;
> > - OptEnt.Para->ParaList[21] = DHCP4_TAG_T1;
> > - OptEnt.Para->ParaList[22] = DHCP4_TAG_T2;
> > - OptEnt.Para->ParaList[23] = DHCP4_TAG_VENDOR_CLASS_ID;
> > - OptEnt.Para->ParaList[24] = DHCP4_TAG_TFTP;
> > - OptEnt.Para->ParaList[25] = DHCP4_TAG_BOOTFILE;
> > - OptEnt.Para->ParaList[26] = DHCP4_TAG_UUID;
> > - OptEnt.Para->ParaList[27] = 0x80;
> > - OptEnt.Para->ParaList[28] = 0x81;
> > - OptEnt.Para->ParaList[29] = 0x82;
> > - OptEnt.Para->ParaList[30] = 0x83;
> > - OptEnt.Para->ParaList[31] = 0x84;
> > - OptEnt.Para->ParaList[32] = 0x85;
> > - OptEnt.Para->ParaList[33] = 0x86;
> > - OptEnt.Para->ParaList[34] = 0x87;
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > -
> > - //
> > - // Append UUID/Guid-based client identifier option
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_UUID;
> > - OptList[Index]->Length = (UINT8) sizeof (PXEBC_DHCP4_OPTION_UUID);
> > - OptEnt.Uuid = (PXEBC_DHCP4_OPTION_UUID *) OptList[Index]-
> > >Data;
> > - OptEnt.Uuid->Type = 0;
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > -
> > - if (EFI_ERROR (NetLibGetSystemGuid ((EFI_GUID *) OptEnt.Uuid->Guid)))
> > {
> > - //
> > - // GUID not yet set - send all 0xff's to show programable (via
> SetVariable)
> > - // SetMem(DHCPV4_OPTIONS_BUFFER.DhcpPlatformId.Guid,
> > sizeof(EFI_GUID), 0xff);
> > - // GUID not yet set - send all 0's to show not programable
> > - //
> > - DEBUG ((EFI_D_WARN, "PXE: Failed to read system GUID from the
> smbios
> > table!\n"));
> > - ZeroMem (OptEnt.Uuid->Guid, sizeof (EFI_GUID));
> > - }
> > -
> > - //
> > - // Append client network device interface option
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_UNDI;
> > - OptList[Index]->Length = (UINT8) sizeof (PXEBC_DHCP4_OPTION_UNDI);
> > - OptEnt.Undi = (PXEBC_DHCP4_OPTION_UNDI *) OptList[Index]-
> > >Data;
> > - if (Private->Nii != NULL) {
> > - OptEnt.Undi->Type = Private->Nii->Type;
> > - OptEnt.Undi->MajorVer = Private->Nii->MajorVer;
> > - OptEnt.Undi->MinorVer = Private->Nii->MinorVer;
> > - } else {
> > - OptEnt.Undi->Type = DEFAULT_UNDI_TYPE;
> > - OptEnt.Undi->MajorVer = DEFAULT_UNDI_MAJOR;
> > - OptEnt.Undi->MinorVer = DEFAULT_UNDI_MINOR;
> > - }
> > -
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > -
> > - //
> > - // Append client system architecture option
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_ARCH;
> > - OptList[Index]->Length = (UINT8) sizeof (PXEBC_DHCP4_OPTION_ARCH);
> > - OptEnt.Arch = (PXEBC_DHCP4_OPTION_ARCH *) OptList[Index]-
> > >Data;
> > - Value = HTONS (EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE);
> > - CopyMem (&OptEnt.Arch->Type, &Value, sizeof (UINT16));
> > - Index++;
> > - OptList[Index] = GET_NEXT_DHCP_OPTION (OptList[Index - 1]);
> > -
> > - //
> > - // Append client system architecture option
> > - //
> > - OptList[Index]->OpCode = DHCP4_TAG_VENDOR_CLASS_ID;
> > - OptList[Index]->Length = (UINT8) sizeof (PXEBC_DHCP4_OPTION_CLID);
> > - OptEnt.Clid = (PXEBC_DHCP4_OPTION_CLID *) OptList[Index]-
> >Data;
> > - CopyMem (OptEnt.Clid, DEFAULT_CLASS_ID_DATA, sizeof
> > (PXEBC_DHCP4_OPTION_CLID));
> > - CvtNum (EFI_PXE_CLIENT_SYSTEM_ARCHITECTURE, OptEnt.Clid-
> > >ArchitectureType, sizeof (OptEnt.Clid->ArchitectureType));
> > -
> > - if (Private->Nii != NULL) {
> > - //
> > - // If NII protocol exists, update DHCP option data
> > - //
> > - CopyMem (OptEnt.Clid->InterfaceName, Private->Nii->StringId, sizeof
> > (OptEnt.Clid->InterfaceName));
> > - CvtNum (Private->Nii->MajorVer, OptEnt.Clid->UndiMajor, sizeof
> > (OptEnt.Clid->UndiMajor));
> > - CvtNum (Private->Nii->MinorVer, OptEnt.Clid->UndiMinor, sizeof
> > (OptEnt.Clid->UndiMinor));
> > - }
> > -
> > - Index++;
> > -
> > - return Index;
> > -}
> > -
> > -
> > -/**
> > - Discover the boot of service and initialize the vendor option if
> exists.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Type PxeBc option boot item type
> > - @param Layer PxeBc option boot item layer
> > - @param UseBis Use BIS or not
> > - @param DestIp Ip address for server
> > - @param IpCount The total count of the server ip
> address
> > - @param SrvList Server list
> > - @param IsDiscv Discover the vendor or not
> > - @param Reply The dhcp4 packet of Pxe reply
> > -
> > - @retval EFI_SUCCESS Operation succeeds.
> > - @retval EFI_OUT_OF_RESOURCES Allocate memory pool failed.
> > - @retval EFI_NOT_FOUND There is no vendor option exists.
> > - @retval EFI_TIMEOUT Send Pxe Discover time out.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcDiscvBootService (
> > - IN PXEBC_PRIVATE_DATA * Private,
> > - IN UINT16 Type,
> > - IN UINT16 *Layer,
> > - IN BOOLEAN UseBis,
> > - IN EFI_IP_ADDRESS * DestIp,
> > - IN UINT16 IpCount,
> > - IN EFI_PXE_BASE_CODE_SRVLIST * SrvList,
> > - IN BOOLEAN IsDiscv,
> > - OUT EFI_DHCP4_PACKET * Reply OPTIONAL
> > - )
> > -{
> > - EFI_PXE_BASE_CODE_UDP_PORT Sport;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_DHCP4_PROTOCOL *Dhcp4;
> > - EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN Token;
> > - BOOLEAN IsBCast;
> > - EFI_STATUS Status;
> > - UINT16 RepIndex;
> > - UINT16 SrvIndex;
> > - UINT16 TryIndex;
> > - EFI_DHCP4_LISTEN_POINT ListenPoint;
> > - EFI_DHCP4_PACKET *Response;
> > - EFI_DHCP4_PACKET_OPTION
> > *OptList[PXEBC_DHCP4_MAX_OPTION_NUM];
> > - UINT32 OptCount;
> > - EFI_DHCP4_PACKET_OPTION *PxeOpt;
> > - PXEBC_OPTION_BOOT_ITEM *PxeBootItem;
> > - UINT8 VendorOptLen;
> > - EFI_DHCP4_HEADER *DhcpHeader;
> > - UINT32 Xid;
> > -
> > - Mode = Private->PxeBc.Mode;
> > - Dhcp4 = Private->Dhcp4;
> > - Status = EFI_SUCCESS;
> > -
> > - ZeroMem (&Token, sizeof (EFI_DHCP4_TRANSMIT_RECEIVE_TOKEN));
> > -
> > - if (DestIp == NULL) {
> > - Sport = PXEBC_DHCP4_S_PORT;
> > - IsBCast = TRUE;
> > - } else {
> > - Sport = PXEBC_BS_DISCOVER_PORT;
> > - IsBCast = FALSE;
> > - }
> > -
> > - if (!UseBis && Layer != NULL) {
> > - *Layer &= EFI_PXE_BASE_CODE_BOOT_LAYER_MASK;
> > - }
> > -
> > - OptCount = PxeBcBuildDhcpOptions (Private, OptList, FALSE);
> > -
> > - if (IsDiscv) {
> > - ASSERT (Layer != NULL);
> > - //
> > - // Add vendor option of PXE_BOOT_ITEM
> > - //
> > - VendorOptLen = (UINT8) ((sizeof (EFI_DHCP4_PACKET_OPTION) - 1) * 2
> +
> > sizeof (PXEBC_OPTION_BOOT_ITEM) + 1);
> > - OptList[OptCount] = AllocatePool (VendorOptLen);
> > - if (OptList[OptCount] == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - OptList[OptCount]->OpCode = DHCP4_TAG_VENDOR;
> > - OptList[OptCount]->Length = (UINT8) (VendorOptLen - 2);
> > - PxeOpt = (EFI_DHCP4_PACKET_OPTION *)
> OptList[OptCount]-
> > >Data;
> > - PxeOpt->OpCode = PXEBC_VENDOR_TAG_BOOT_ITEM;
> > - PxeOpt->Length = (UINT8) sizeof
> (PXEBC_OPTION_BOOT_ITEM);
> > - PxeBootItem = (PXEBC_OPTION_BOOT_ITEM *) PxeOpt-
> >Data;
> > - PxeBootItem->Type = HTONS (Type);
> > - PxeBootItem->Layer = HTONS (*Layer);
> > - PxeOpt->Data[PxeOpt->Length] = DHCP4_TAG_EOP;
> > -
> > - OptCount++;
> > - }
> > -
> > - Status = Dhcp4->Build (Dhcp4, &Private->SeedPacket, 0, NULL, OptCount,
> > OptList, &Token.Packet);
> > -
> > - if (IsDiscv) {
> > - FreePool (OptList[OptCount - 1]);
> > - }
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - DhcpHeader = &Token.Packet->Dhcp4.Header;
> > - if (Mode->SendGUID) {
> > - if (EFI_ERROR (NetLibGetSystemGuid ((EFI_GUID *) DhcpHeader-
> > >ClientHwAddr))) {
> > - //
> > - // GUID not yet set - send all 0's to show not programable
> > - //
> > - DEBUG ((EFI_D_WARN, "PXE: Failed to read system GUID from the
> > smbios table!\n"));
> > - ZeroMem (DhcpHeader->ClientHwAddr, sizeof (EFI_GUID));
> > - }
> > -
> > - DhcpHeader->HwAddrLen = (UINT8) sizeof (EFI_GUID);
> > - }
> > -
> > - Xid = NET_RANDOM (NetRandomInitSeed
> ());
> > - Token.Packet->Dhcp4.Header.Xid = HTONL(Xid);
> > - Token.Packet->Dhcp4.Header.Reserved = HTONS((UINT16) ((IsBCast) ?
> > 0x8000 : 0));
> > - CopyMem (&Token.Packet->Dhcp4.Header.ClientAddr, &Private-
> > >StationIp, sizeof (EFI_IPv4_ADDRESS));
> > -
> > - Token.RemotePort = Sport;
> > -
> > - if (IsBCast) {
> > - SetMem (&Token.RemoteAddress, sizeof (EFI_IPv4_ADDRESS), 0xff);
> > - } else {
> > - CopyMem (&Token.RemoteAddress, DestIp, sizeof (EFI_IPv4_ADDRESS));
> > - }
> > -
> > - CopyMem (&Token.GatewayAddress, &Private->GatewayIp, sizeof
> > (EFI_IPv4_ADDRESS));
> > -
> > - if (!IsBCast) {
> > - Token.ListenPointCount = 1;
> > - Token.ListenPoints = &ListenPoint;
> > - Token.ListenPoints[0].ListenPort = PXEBC_BS_DISCOVER_PORT;
> > - CopyMem (&Token.ListenPoints[0].ListenAddress, &Private->StationIp,
> > sizeof(EFI_IPv4_ADDRESS));
> > - CopyMem (&Token.ListenPoints[0].SubnetMask, &Private->SubnetMask,
> > sizeof(EFI_IPv4_ADDRESS));
> > - }
> > - //
> > - // Send Pxe Discover
> > - //
> > - for (TryIndex = 1; TryIndex <= PXEBC_BOOT_REQUEST_RETRIES;
> > TryIndex++) {
> > -
> > - Token.TimeoutValue = (UINT16)
> > (PXEBC_BOOT_REQUEST_TIMEOUT * TryIndex);
> > - Token.Packet->Dhcp4.Header.Seconds = (UINT16)
> > (PXEBC_BOOT_REQUEST_TIMEOUT * (TryIndex - 1));
> > -
> > - Status = Dhcp4->TransmitReceive (Dhcp4, &Token);
> > -
> > - if (Token.Status != EFI_TIMEOUT) {
> > - break;
> > - }
> > - }
> > -
> > - if (TryIndex > PXEBC_BOOT_REQUEST_RETRIES) {
> > - //
> > - // No server response our PXE request
> > - //
> > - Status = EFI_TIMEOUT;
> > - }
> > -
> > - if (!EFI_ERROR (Status)) {
> > - //
> > - // Find Pxe Reply
> > - //
> > - RepIndex = 0;
> > - SrvIndex = 0;
> > - Response = Token.ResponseList;
> > -
> > - while (RepIndex < Token.ResponseCount) {
> > - if (Response->Length > PXEBC_DHCP4_MAX_PACKET_SIZE) {
> > - SrvIndex = 0;
> > - RepIndex++;
> > - Response = (EFI_DHCP4_PACKET *) ((UINT8 *) Response + Response-
> > >Size);
> > - continue;
> > - }
> > -
> > - while (SrvIndex < IpCount) {
> > -
> > - if (SrvList[SrvIndex].AcceptAnyResponse) {
> > - break;
> > - }
> > -
> > - if ((SrvList[SrvIndex].Type == Type) && EFI_IP4_EQUAL
> (&(Response-
> > >Dhcp4.Header.ServerAddr), &(Private->ServerIp))) {
> > - break;
> > - }
> > -
> > - SrvIndex++;
> > - }
> > -
> > - if ((IpCount != SrvIndex) || (IpCount == 0)) {
> > - break;
> > - }
> > -
> > - SrvIndex = 0;
> > - RepIndex++;
> > - Response = (EFI_DHCP4_PACKET *) ((UINT8 *) Response + Response-
> > >Size);
> > - }
> > -
> > - if (RepIndex < Token.ResponseCount) {
> > -
> > - if (Reply != NULL) {
> > - Status = PxeBcCopyEfiDhcp4Packet (Reply, Response);
> > - if (EFI_ERROR(Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - if (IsDiscv) {
> > - CopyMem (&(Mode->PxeDiscover), &(Token.Packet->Dhcp4),
> > Token.Packet->Length);
> > - Mode->PxeDiscoverValid = TRUE;
> > -
> > - CopyMem (Mode->PxeReply.Raw, &Response->Dhcp4, Response-
> > >Length);
> > - Mode->PxeReplyReceived = TRUE;
> > - }
> > - } else {
> > - Status = EFI_NOT_FOUND;
> > - }
> > - }
> > -
> > -ON_EXIT:
> > - //
> > - // free the responselist
> > - //
> > - if (Token.ResponseList != NULL) {
> > - FreePool (Token.ResponseList);
> > - }
> > - //
> > - // Free the dhcp packet
> > - //
> > - if (Token.Packet != NULL) {
> > - FreePool (Token.Packet);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Parse interested dhcp options.
> > -
> > - @param Buffer Pointer to the dhcp options packet.
> > - @param Length The length of the dhcp options.
> > - @param OptTag The option OpCode.
> > -
> > - @return NULL if the buffer length is 0 and OpCode is not
> > - DHCP4_TAG_EOP, or the pointer to the buffer.
> > -
> > -**/
> > -EFI_DHCP4_PACKET_OPTION *
> > -PxeBcParseExtendOptions (
> > - IN UINT8 *Buffer,
> > - IN UINT32 Length,
> > - IN UINT8 OptTag
> > - )
> > -{
> > - EFI_DHCP4_PACKET_OPTION *Option;
> > - UINT32 Offset;
> > -
> > - Option = (EFI_DHCP4_PACKET_OPTION *) Buffer;
> > - Offset = 0;
> > -
> > - while (Offset < Length && Option->OpCode != DHCP4_TAG_EOP) {
> > -
> > - if (Option->OpCode == OptTag) {
> > -
> > - return Option;
> > - }
> > -
> > - if (Option->OpCode == DHCP4_TAG_PAD) {
> > - Offset++;
> > - } else {
> > - Offset += Option->Length + 2;
> > - }
> > -
> > - Option = (EFI_DHCP4_PACKET_OPTION *) (Buffer + Offset);
> > - }
> > -
> > - return NULL;
> > -}
> > -
> > -
> > -/**
> > - This function is to parse and check vendor options.
> > -
> > - @param Dhcp4Option Pointer to dhcp options
> > - @param VendorOption Pointer to vendor options
> > -
> > - @return TRUE if valid for vendor options, or FALSE.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcParseVendorOptions (
> > - IN EFI_DHCP4_PACKET_OPTION *Dhcp4Option,
> > - IN PXEBC_VENDOR_OPTION *VendorOption
> > - )
> > -{
> > - UINT32 *BitMap;
> > - UINT8 VendorOptionLen;
> > - EFI_DHCP4_PACKET_OPTION *PxeOption;
> > - UINT8 Offset;
> > -
> > - BitMap = VendorOption->BitMap;
> > - VendorOptionLen = Dhcp4Option->Length;
> > - PxeOption = (EFI_DHCP4_PACKET_OPTION *) &Dhcp4Option->Data[0];
> > - Offset = 0;
> > -
> > - while ((Offset < VendorOptionLen) && (PxeOption->OpCode !=
> > DHCP4_TAG_EOP)) {
> > - //
> > - // Parse every Vendor Option and set its BitMap
> > - //
> > - switch (PxeOption->OpCode) {
> > -
> > - case PXEBC_VENDOR_TAG_MTFTP_IP:
> > -
> > - CopyMem (&VendorOption->MtftpIp, PxeOption->Data, sizeof
> > (EFI_IPv4_ADDRESS));
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MTFTP_CPORT:
> > -
> > - CopyMem (&VendorOption->MtftpCPort, PxeOption->Data, sizeof
> > (VendorOption->MtftpCPort));
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MTFTP_SPORT:
> > -
> > - CopyMem (&VendorOption->MtftpSPort, PxeOption->Data, sizeof
> > (VendorOption->MtftpSPort));
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MTFTP_TIMEOUT:
> > -
> > - VendorOption->MtftpTimeout = *PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MTFTP_DELAY:
> > -
> > - VendorOption->MtftpDelay = *PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_DISCOVER_CTRL:
> > -
> > - VendorOption->DiscoverCtrl = *PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_DISCOVER_MCAST:
> > -
> > - CopyMem (&VendorOption->DiscoverMcastIp, PxeOption->Data, sizeof
> > (EFI_IPv4_ADDRESS));
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_BOOT_SERVERS:
> > -
> > - VendorOption->BootSvrLen = PxeOption->Length;
> > - VendorOption->BootSvr = (PXEBC_BOOT_SVR_ENTRY *) PxeOption-
> > >Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_BOOT_MENU:
> > -
> > - VendorOption->BootMenuLen = PxeOption->Length;
> > - VendorOption->BootMenu = (PXEBC_BOOT_MENU_ENTRY *)
> > PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MENU_PROMPT:
> > -
> > - VendorOption->MenuPromptLen = PxeOption->Length;
> > - VendorOption->MenuPrompt = (PXEBC_MENU_PROMPT *)
> > PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_MCAST_ALLOC:
> > -
> > - CopyMem (&VendorOption->McastIpBase, PxeOption->Data, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&VendorOption->McastIpBlock, PxeOption->Data + 4, sizeof
> > (VendorOption->McastIpBlock));
> > - CopyMem (&VendorOption->McastIpRange, PxeOption->Data + 6, sizeof
> > (VendorOption->McastIpRange));
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_CREDENTIAL_TYPES:
> > -
> > - VendorOption->CredTypeLen = PxeOption->Length;
> > - VendorOption->CredType = (UINT32 *) PxeOption->Data;
> > - break;
> > -
> > - case PXEBC_VENDOR_TAG_BOOT_ITEM:
> > -
> > - CopyMem (&VendorOption->BootSrvType, PxeOption->Data, sizeof
> > (VendorOption->BootSrvType));
> > - CopyMem (&VendorOption->BootSrvLayer, PxeOption->Data + 2, sizeof
> > (VendorOption->BootSrvLayer));
> > - break;
> > - }
> > -
> > - SET_VENDOR_OPTION_BIT_MAP (BitMap, PxeOption->OpCode);
> > -
> > - if (PxeOption->OpCode == DHCP4_TAG_PAD) {
> > - Offset++;
> > - } else {
> > - Offset = (UINT8) (Offset + PxeOption->Length + 2);
> > - }
> > -
> > - PxeOption = (EFI_DHCP4_PACKET_OPTION *) (Dhcp4Option->Data +
> > Offset);
> > - }
> > -
> > - //
> > - // FixMe, return falas if invalid of any vendor option
> > - //
> > -
> > - return TRUE;
> > -}
> > -
> > -
> > -/**
> > - This function display boot item detail.
> > -
> > - If the length of the boot item string over 70 Char, just display 70
> Char.
> > -
> > - @param Str Pointer to a string (boot item string).
> > - @param Len The length of string.
> > -
> > -**/
> > -VOID
> > -PxeBcDisplayBootItem (
> > - IN UINT8 *Str,
> > - IN UINT8 Len
> > - )
> > -{
> > - UINT8 Tmp;
> > -
> > - Len = (UINT8) MIN (70, Len);
> > - Tmp = Str[Len];
> > - Str[Len] = 0;
> > - AsciiPrint ("%a \n", Str);
> > - Str[Len] = Tmp;
> > -}
> > -
> > -
> > -/**
> > - Choose the boot prompt.
> > -
> > - @param Private Pointer to PxeBc private data.
> > -
> > - @retval EFI_SUCCESS Select boot prompt done.
> > - @retval EFI_TIMEOUT Select boot prompt time out.
> > - @retval EFI_NOT_FOUND The proxy offer is not Pxe10.
> > - @retval EFI_ABORTED User cancel the operation.
> > - @retval EFI_NOT_READY Read the input key from the keybroad has
> not
> > finish.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSelectBootPrompt (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - )
> > -{
> > - PXEBC_CACHED_DHCP4_PACKET *Packet;
> > - PXEBC_VENDOR_OPTION *VendorOpt;
> > - EFI_EVENT TimeoutEvent;
> > - EFI_EVENT DescendEvent;
> > - EFI_INPUT_KEY InputKey;
> > - EFI_STATUS Status;
> > - UINT8 Timeout;
> > - UINT8 *Prompt;
> > - UINT8 PromptLen;
> > - INT32 SecCol;
> > - INT32 SecRow;
> > -
> > - TimeoutEvent = NULL;
> > - DescendEvent = NULL;
> > -
> > - if (Private->PxeBc.Mode->ProxyOfferReceived) {
> > -
> > - Packet = &Private->ProxyOffer;
> > - } else {
> > -
> > - Packet = &Private->Dhcp4Ack;
> > - }
> > -
> > - if (Packet->OfferType != DHCP4_PACKET_TYPE_PXE10) {
> > - return EFI_NOT_FOUND;
> > - }
> > -
> > - VendorOpt = &Packet->PxeVendorOption;
> > - //
> > - // According to the PXE specification 2.1, Table 2-1 PXE DHCP Options
> (Full
> > - // List), we must not consider a boot prompt or boot menu if all of
> the
> > - // following hold:
> > - // - the PXE_DISCOVERY_CONTROL PXE tag is present inside the Vendor
> > Options
> > - // (=43) DHCP tag, and
> > - // - the PXE_DISCOVERY_CONTROL PXE tag has bit 3 set, and
> > - // - a boot file name has been presented with DHCP option 67.
> > - //
> > - if (IS_DISABLE_PROMPT_MENU (VendorOpt->DiscoverCtrl) &&
> > - Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] != NULL) {
> > - return EFI_ABORTED;
> > - }
> > -
> > - if (!IS_VALID_BOOT_PROMPT (VendorOpt->BitMap)) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - Timeout = VendorOpt->MenuPrompt->Timeout;
> > - Prompt = VendorOpt->MenuPrompt->Prompt;
> > - PromptLen = (UINT8) (VendorOpt->MenuPromptLen - 1);
> > -
> > - if (Timeout == 0) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - if (Timeout == 255) {
> > - return EFI_TIMEOUT;
> > - }
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_TIMER,
> > - TPL_CALLBACK,
> > - NULL,
> > - NULL,
> > - &TimeoutEvent
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Status = gBS->SetTimer (
> > - TimeoutEvent,
> > - TimerRelative,
> > - MultU64x32 (Timeout, TICKS_PER_SECOND)
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_TIMER,
> > - TPL_CALLBACK,
> > - NULL,
> > - NULL,
> > - &DescendEvent
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = gBS->SetTimer (
> > - DescendEvent,
> > - TimerPeriodic,
> > - TICKS_PER_SECOND
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - SecCol = gST->ConOut->Mode->CursorColumn;
> > - SecRow = gST->ConOut->Mode->CursorRow;
> > -
> > - PxeBcDisplayBootItem (Prompt, PromptLen);
> > -
> > - gST->ConOut->SetCursorPosition (gST->ConOut, SecCol + PromptLen,
> > SecRow);
> > - AsciiPrint ("(%d) ", Timeout--);
> > -
> > - while (EFI_ERROR (gBS->CheckEvent (TimeoutEvent))) {
> > -
> > - if (!EFI_ERROR (gBS->CheckEvent (DescendEvent))) {
> > - gST->ConOut->SetCursorPosition (gST->ConOut, SecCol + PromptLen,
> > SecRow);
> > - AsciiPrint ("(%d) ", Timeout--);
> > - }
> > -
> > - if (gST->ConIn->ReadKeyStroke (gST->ConIn, &InputKey) ==
> > EFI_NOT_READY) {
> > -
> > - gBS->Stall (10 * TICKS_PER_MS);
> > - continue;
> > - }
> > -
> > - if (InputKey.ScanCode == 0) {
> > -
> > - switch (InputKey.UnicodeChar) {
> > - case CTRL ('c'):
> > - Status = EFI_ABORTED;
> > - break;
> > -
> > - case CTRL ('m'):
> > - case 'm':
> > - case 'M':
> > - Status = EFI_TIMEOUT;
> > - break;
> > -
> > - default:
> > - continue;
> > - }
> > - } else {
> > -
> > - switch (InputKey.ScanCode) {
> > - case SCAN_F8:
> > - Status = EFI_TIMEOUT;
> > - break;
> > -
> > - case SCAN_ESC:
> > - Status = EFI_ABORTED;
> > - break;
> > -
> > - default:
> > - continue;
> > - }
> > - }
> > -
> > - break;
> > - }
> > -
> > - gST->ConOut->SetCursorPosition (gST->ConOut, 0 , SecRow + 1);
> > -
> > -ON_EXIT:
> > -
> > - if (DescendEvent != NULL) {
> > - gBS->CloseEvent (DescendEvent);
> > - }
> > -
> > - if (TimeoutEvent != NULL) {
> > - gBS->CloseEvent (TimeoutEvent);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Select the boot menu.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Type The type of the menu.
> > - @param UseDefaultItem Use default item or not.
> > -
> > - @retval EFI_ABORTED User cancel operation.
> > - @retval EFI_SUCCESS Select the boot menu success.
> > - @retval EFI_NOT_READY Read the input key from the keybroad has not
> > finish.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSelectBootMenu (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - OUT UINT16 *Type,
> > - IN BOOLEAN UseDefaultItem
> > - )
> > -{
> > - PXEBC_CACHED_DHCP4_PACKET *Packet;
> > - PXEBC_VENDOR_OPTION *VendorOpt;
> > - EFI_INPUT_KEY InputKey;
> > - UINT8 MenuSize;
> > - UINT8 MenuNum;
> > - INT32 TopRow;
> > - UINT16 Select;
> > - UINT16 LastSelect;
> > - UINT8 Index;
> > - BOOLEAN Finish;
> > - CHAR8 Blank[70];
> > - PXEBC_BOOT_MENU_ENTRY *MenuItem;
> > - PXEBC_BOOT_MENU_ENTRY *MenuArray[PXEBC_MAX_MENU_NUM];
> > -
> > - Finish = FALSE;
> > - Select = 0;
> > - Index = 0;
> > - *Type = 0;
> > -
> > - if (Private->PxeBc.Mode->ProxyOfferReceived) {
> > -
> > - Packet = &Private->ProxyOffer;
> > - } else {
> > -
> > - Packet = &Private->Dhcp4Ack;
> > - }
> > -
> > - ASSERT (Packet->OfferType == DHCP4_PACKET_TYPE_PXE10);
> > -
> > - VendorOpt = &Packet->PxeVendorOption;
> > -
> > - if (!IS_VALID_BOOT_MENU (VendorOpt->BitMap)) {
> > - return EFI_SUCCESS;
> > - }
> > -
> > - SetMem (Blank, sizeof(Blank), ' ');
> > -
> > - MenuSize = VendorOpt->BootMenuLen;
> > - MenuItem = VendorOpt->BootMenu;
> > -
> > - if (MenuSize == 0) {
> > - return EFI_NOT_READY;
> > - }
> > -
> > - while (MenuSize > 0) {
> > - MenuArray[Index++] = MenuItem;
> > - MenuSize = (UINT8) (MenuSize - (MenuItem->DescLen + 3));
> > - MenuItem = (PXEBC_BOOT_MENU_ENTRY *) ((UINT8 *) MenuItem +
> > MenuItem->DescLen + 3);
> > - if (Index >= PXEBC_MAX_MENU_NUM) {
> > - break;
> > - }
> > - }
> > -
> > - if (UseDefaultItem) {
> > - *Type = MenuArray[0]->Type;
> > - *Type = NTOHS (*Type);
> > - return EFI_SUCCESS;
> > - }
> > -
> > - MenuNum = Index;
> > -
> > - for (Index = 0; Index < MenuNum; Index++) {
> > - PxeBcDisplayBootItem (MenuArray[Index]->DescStr, MenuArray[Index]-
> > >DescLen);
> > - }
> > -
> > - TopRow = gST->ConOut->Mode->CursorRow - MenuNum;
> > -
> > - do {
> > - ASSERT (Select < PXEBC_MAX_MENU_NUM);
> > - //
> > - // highlight selected row
> > - //
> > - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR (EFI_BLACK,
> > EFI_LIGHTGRAY));
> > - gST->ConOut->SetCursorPosition (gST->ConOut, 0, TopRow + Select);
> > - Blank[MenuArray[Select]->DescLen] = 0;
> > - AsciiPrint ("%a\r", Blank);
> > - PxeBcDisplayBootItem (MenuArray[Select]->DescStr,
> MenuArray[Select]-
> > >DescLen);
> > - gST->ConOut->SetCursorPosition (gST->ConOut, 0, TopRow + MenuNum);
> > - LastSelect = Select;
> > -
> > - while (gST->ConIn->ReadKeyStroke (gST->ConIn, &InputKey) ==
> > EFI_NOT_READY) {
> > - gBS->Stall (10 * TICKS_PER_MS);
> > - }
> > -
> > - if (InputKey.ScanCode == 0) {
> > - switch (InputKey.UnicodeChar) {
> > - case CTRL ('c'):
> > - InputKey.ScanCode = SCAN_ESC;
> > - break;
> > -
> > - case CTRL ('j'): /* linefeed */
> > - case CTRL ('m'): /* return */
> > - Finish = TRUE;
> > - break;
> > -
> > - case CTRL ('i'): /* tab */
> > - case ' ':
> > - case 'd':
> > - case 'D':
> > - InputKey.ScanCode = SCAN_DOWN;
> > - break;
> > -
> > - case CTRL ('h'): /* backspace */
> > - case 'u':
> > - case 'U':
> > - InputKey.ScanCode = SCAN_UP;
> > - break;
> > -
> > - default:
> > - InputKey.ScanCode = 0;
> > - }
> > - }
> > -
> > - switch (InputKey.ScanCode) {
> > - case SCAN_LEFT:
> > - case SCAN_UP:
> > - if (Select > 0) {
> > - --Select;
> > - }
> > -
> > - break;
> > -
> > - case SCAN_DOWN:
> > - case SCAN_RIGHT:
> > - if (++Select == MenuNum) {
> > - --Select;
> > - }
> > -
> > - break;
> > -
> > - case SCAN_PAGE_UP:
> > - case SCAN_HOME:
> > - Select = 0;
> > - break;
> > -
> > - case SCAN_PAGE_DOWN:
> > - case SCAN_END:
> > - Select = (UINT16) (MenuNum - 1);
> > - break;
> > -
> > - case SCAN_ESC:
> > - return EFI_ABORTED;
> > - }
> > -
> > - /* unhighlight last selected row */
> > - gST->ConOut->SetAttribute (gST->ConOut, EFI_TEXT_ATTR
> > (EFI_LIGHTGRAY, EFI_BLACK));
> > - gST->ConOut->SetCursorPosition (gST->ConOut, 0, TopRow +
> LastSelect);
> > - Blank[MenuArray[LastSelect]->DescLen] = 0;
> > - AsciiPrint ("%a\r", Blank);
> > - PxeBcDisplayBootItem (MenuArray[LastSelect]->DescStr,
> > MenuArray[LastSelect]->DescLen);
> > - gST->ConOut->SetCursorPosition (gST->ConOut, 0, TopRow + MenuNum);
> > - } while (!Finish);
> > -
> > - ASSERT (Select < PXEBC_MAX_MENU_NUM);
> > -
> > - //
> > - // Swap the byte order
> > - //
> > - CopyMem (Type, &MenuArray[Select]->Type, sizeof (UINT16));
> > - *Type = NTOHS (*Type);
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.c
> > deleted file mode 100644
> > index 76c140d8e3ff..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.c
> > +++ /dev/null
> > @@ -1,665 +0,0 @@
> > -/** @file
> > - The driver binding for UEFI PXEBC protocol.
> > -
> > -Copyright (c) 2007 - 2015, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding = {
> > - PxeBcDriverBindingSupported,
> > - PxeBcDriverBindingStart,
> > - PxeBcDriverBindingStop,
> > - 0xa,
> > - NULL,
> > - NULL
> > -};
> > -
> > -/**
> > - This is the declaration of an EFI image entry point. This entry point
> is
> > - the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers
> including
> > - both device drivers and bus drivers.
> > -
> > - @param ImageHandle The firmware allocated handle for the
> UEFI
> > image.
> > - @param SystemTable A pointer to the EFI System Table.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_OUT_OF_RESOURCES The request could not be completed
> > due to a lack of resources.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverEntryPoint (
> > - IN EFI_HANDLE ImageHandle,
> > - IN EFI_SYSTEM_TABLE *SystemTable
> > - )
> > -{
> > - return EfiLibInstallDriverBindingComponentName2 (
> > - ImageHandle,
> > - SystemTable,
> > - &gPxeBcDriverBinding,
> > - ImageHandle,
> > - &gPxeBcComponentName,
> > - &gPxeBcComponentName2
> > - );
> > -}
> > -
> > -
> > -/**
> > - Test to see if this driver supports ControllerHandle. This service
> > - is called by the EFI boot service ConnectController(). In
> > - order to make drivers as small as possible, there are a few calling
> > - restrictions for this service. ConnectController() must
> > - follow these calling restrictions. If any other agent wishes to call
> > - Supported() it must also follow these calling restrictions.
> > - PxeBc requires DHCP4 and MTFTP4 protocols.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to test
> > - @param RemainingDevicePath Optional parameter use to pick a specific
> > child
> > - device to start.
> > -
> > - @retval EFI_SUCCESS This driver supports this device
> > - @retval EFI_ALREADY_STARTED This driver is already running on this
> device
> > - @retval other This driver does not support this device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
> > - EFI_STATUS Status;
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiPxeBaseCodeProtocolGuid,
> > - (VOID **) &PxeBc,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > -
> > - if (!EFI_ERROR (Status)) {
> > - return EFI_ALREADY_STARTED;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > -
> > - if (!EFI_ERROR (Status)) {
> > -
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiMtftp4ServiceBindingProtocolGuid,
> > - NULL,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_TEST_PROTOCOL
> > - );
> > -
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Start this driver on ControllerHandle. This service is called by the
> > - EFI boot service ConnectController(). In order to make
> > - drivers as small as possible, there are a few calling restrictions
> for
> > - this service. ConnectController() must follow these
> > - calling restrictions. If any other agent wishes to call Start() it
> > - must also follow these calling restrictions.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to bind driver to
> > - @param RemainingDevicePath Optional parameter use to pick a
> specific
> > child
> > - device to start.
> > -
> > - @retval EFI_SUCCESS This driver is added to ControllerHandle
> > - @retval EFI_ALREADY_STARTED This driver is already running on
> > ControllerHandle
> > - @retval other This driver does not support this device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - UINTN Index;
> > - EFI_STATUS Status;
> > - EFI_IP4_MODE_DATA Ip4ModeData;
> > -
> > - Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));
> > - if (Private == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;
> > - Private->Controller = ControllerHandle;
> > - Private->Image = This->DriverBindingHandle;
> > - CopyMem (&Private->PxeBc, &mPxeBcProtocolTemplate, sizeof (Private-
> > >PxeBc));
> > - Private->PxeBc.Mode = &Private->Mode;
> > - CopyMem (&Private->LoadFile, &mLoadFileProtocolTemplate, sizeof
> > (Private->LoadFile));
> > -
> > - Private->ProxyOffer.Packet.Offer.Size =
> > PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
> > - Private->Dhcp4Ack.Packet.Ack.Size =
> > PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
> > - Private->PxeReply.Packet.Ack.Size =
> > PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
> > -
> > - for (Index = 0; Index < PXEBC_MAX_OFFER_NUM; Index++) {
> > - Private->Dhcp4Offers[Index].Packet.Offer.Size =
> > PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
> > - }
> > -
> > - //
> > - // Get the NII interface if it exists.
> > - //
> > - Status = gBS->OpenProtocol (
> > - ControllerHandle,
> > - &gEfiNetworkInterfaceIdentifierProtocolGuid_31,
> > - (VOID **) &Private->Nii,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - Private->Nii = NULL;
> > - }
> > -
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiArpServiceBindingProtocolGuid,
> > - &Private->ArpChild
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->ArpChild,
> > - &gEfiArpProtocolGuid,
> > - (VOID **) &Private->Arp,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - &Private->Dhcp4Child
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->Dhcp4Child,
> > - &gEfiDhcp4ProtocolGuid,
> > - (VOID **) &Private->Dhcp4,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiIp4ServiceBindingProtocolGuid,
> > - &Private->Ip4Child
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->Ip4Child,
> > - &gEfiIp4ProtocolGuid,
> > - (VOID **) &Private->Ip4,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // Get max packet size from Ip4 to calculate block size for Tftp
> later.
> > - //
> > - Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL,
> > NULL);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;
> > -
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiMtftp4ServiceBindingProtocolGuid,
> > - &Private->Mtftp4Child
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->Mtftp4Child,
> > - &gEfiMtftp4ProtocolGuid,
> > - (VOID **) &Private->Mtftp4,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - &Private->Udp4ReadChild
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // The UDP instance for EfiPxeBcUdpRead
> > - //
> > - Status = gBS->OpenProtocol (
> > - Private->Udp4ReadChild,
> > - &gEfiUdp4ProtocolGuid,
> > - (VOID **) &Private->Udp4Read,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - //
> > - // The UDP instance for EfiPxeBcUdpWrite
> > - //
> > - Status = NetLibCreateServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - &Private->Udp4WriteChild
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - Private->Udp4WriteChild,
> > - &gEfiUdp4ProtocolGuid,
> > - (VOID **) &Private->Udp4Write,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_BY_DRIVER
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > - ZeroMem (&Private->Udp4CfgData, sizeof (EFI_UDP4_CONFIG_DATA));
> > - Private->Udp4CfgData.AcceptBroadcast = FALSE;
> > - Private->Udp4CfgData.AcceptPromiscuous = FALSE;
> > - Private->Udp4CfgData.AcceptAnyPort = TRUE;
> > - Private->Udp4CfgData.AllowDuplicatePort = TRUE;
> > - Private->Udp4CfgData.TypeOfService = DEFAULT_ToS;
> > - Private->Udp4CfgData.TimeToLive = DEFAULT_TTL;
> > - Private->Udp4CfgData.DoNotFragment = FALSE;
> > - Private->Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
> > - Private->Udp4CfgData.UseDefaultAddress = FALSE;
> > -
> > - PxeBcInitSeedPacket (&Private->SeedPacket, Private->Udp4Read);
> > - Private->MacLen = Private->SeedPacket.Dhcp4.Header.HwAddrLen;
> > - CopyMem (&Private->Mac, &Private-
> > >SeedPacket.Dhcp4.Header.ClientHwAddr[0], Private->MacLen);
> > -
> > -
> > - ZeroMem (&Private->Ip4ConfigData, sizeof (EFI_IP4_CONFIG_DATA));
> > - Private->Ip4ConfigData.DefaultProtocol = EFI_IP_PROTO_ICMP;
> > - Private->Ip4ConfigData.AcceptIcmpErrors = TRUE;
> > - Private->Ip4ConfigData.TypeOfService = DEFAULT_ToS;
> > - Private->Ip4ConfigData.TimeToLive = DEFAULT_TTL;
> > - Private->Ip4ConfigData.DoNotFragment = FALSE;
> > - Private->Ip4ConfigData.RawData = FALSE;
> > -
> > - Status = gBS->InstallMultipleProtocolInterfaces (
> > - &ControllerHandle,
> > - &gEfiPxeBaseCodeProtocolGuid,
> > - &Private->PxeBc,
> > - &gEfiLoadFileProtocolGuid,
> > - &Private->LoadFile,
> > - NULL
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > - //
> > - // Locate Ip4->Ip4Config2 and store it for set IPv4 Policy.
> > - //
> > - Status = gBS->HandleProtocol (
> > - ControllerHandle,
> > - &gEfiIp4Config2ProtocolGuid,
> > - (VOID **) &Private->Ip4Config2
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_ERROR;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -
> > -ON_ERROR:
> > -
> > - if (Private->Udp4WriteChild != NULL) {
> > - gBS->CloseProtocol (
> > - Private->Udp4WriteChild,
> > - &gEfiUdp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - Private->Udp4WriteChild
> > - );
> > - }
> > -
> > - if (Private->Udp4ReadChild != NULL) {
> > - gBS->CloseProtocol (
> > - Private->Udp4ReadChild,
> > - &gEfiUdp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - Private->Udp4ReadChild
> > - );
> > - }
> > -
> > - if (Private->Mtftp4Child != NULL) {
> > - gBS->CloseProtocol (
> > - Private->Mtftp4Child,
> > - &gEfiMtftp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > -
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiMtftp4ServiceBindingProtocolGuid,
> > - Private->Mtftp4Child
> > - );
> > - }
> > -
> > - if (Private->Ip4Child != NULL) {
> > - gBS->CloseProtocol (
> > - Private->Ip4Child,
> > - &gEfiIp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > -
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiIp4ServiceBindingProtocolGuid,
> > - Private->Ip4Child
> > - );
> > - }
> > -
> > - if (Private->Dhcp4Child != NULL) {
> > - gBS->CloseProtocol (
> > - Private->Dhcp4Child,
> > - &gEfiDhcp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > -
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - Private->Dhcp4Child
> > - );
> > - }
> > -
> > - if (Private->ArpChild != NULL) {
> > - gBS->CloseProtocol (
> > - Private->ArpChild,
> > - &gEfiArpProtocolGuid,
> > - This->DriverBindingHandle,
> > - ControllerHandle
> > - );
> > -
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiArpServiceBindingProtocolGuid,
> > - Private->ArpChild
> > - );
> > - }
> > -
> > - FreePool (Private);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Stop this driver on ControllerHandle. This service is called by the
> > - EFI boot service DisconnectController(). In order to
> > - make drivers as small as possible, there are a few calling
> > - restrictions for this service. DisconnectController()
> > - must follow these calling restrictions. If any other agent wishes
> > - to call Stop() it must also follow these calling restrictions.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to stop driver on
> > - @param NumberOfChildren Number of Handles in ChildHandleBuffer. If
> > number of
> > - children is zero stop the entire bus driver.
> > - @param ChildHandleBuffer List of Child Handles to Stop.
> > -
> > - @retval EFI_SUCCESS This driver is removed ControllerHandle
> > - @retval other This driver was not removed from this
> device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
> > - EFI_HANDLE NicHandle;
> > - EFI_STATUS Status;
> > -
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> &gEfiArpProtocolGuid);
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiDhcp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiIp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiUdp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - NicHandle = NetLibGetNicHandle (ControllerHandle,
> > &gEfiMtftp4ProtocolGuid);
> > -
> > - if (NicHandle == NULL) {
> > - return EFI_SUCCESS;
> > - }
> > - }
> > - }
> > - }
> > - }
> > -
> > - Status = gBS->OpenProtocol (
> > - NicHandle,
> > - &gEfiPxeBaseCodeProtocolGuid,
> > - (VOID **) &PxeBc,
> > - This->DriverBindingHandle,
> > - ControllerHandle,
> > - EFI_OPEN_PROTOCOL_GET_PROTOCOL
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Stop functionality of PXE Base Code protocol
> > - //
> > - Status = PxeBc->Stop (PxeBc);
> > - if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
> > - return Status;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);
> > -
> > - Status = gBS->UninstallMultipleProtocolInterfaces (
> > - NicHandle,
> > - &gEfiPxeBaseCodeProtocolGuid,
> > - &Private->PxeBc,
> > - &gEfiLoadFileProtocolGuid,
> > - &Private->LoadFile,
> > - NULL
> > - );
> > -
> > - if (!EFI_ERROR (Status)) {
> > -
> > - gBS->CloseProtocol (
> > - Private->Udp4WriteChild,
> > - &gEfiUdp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - ControllerHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - Private->Udp4WriteChild
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Private->Udp4ReadChild,
> > - &gEfiUdp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - NicHandle,
> > - This->DriverBindingHandle,
> > - &gEfiUdp4ServiceBindingProtocolGuid,
> > - Private->Udp4ReadChild
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Private->Dhcp4Child,
> > - &gEfiDhcp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - NicHandle,
> > - This->DriverBindingHandle,
> > - &gEfiDhcp4ServiceBindingProtocolGuid,
> > - Private->Dhcp4Child
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Private->Mtftp4Child,
> > - &gEfiMtftp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - NicHandle,
> > - This->DriverBindingHandle,
> > - &gEfiMtftp4ServiceBindingProtocolGuid,
> > - Private->Mtftp4Child
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Private->Ip4Child,
> > - &gEfiIp4ProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - NicHandle,
> > - This->DriverBindingHandle,
> > - &gEfiIp4ServiceBindingProtocolGuid,
> > - Private->Ip4Child
> > - );
> > -
> > - gBS->CloseProtocol (
> > - Private->ArpChild,
> > - &gEfiArpProtocolGuid,
> > - This->DriverBindingHandle,
> > - NicHandle
> > - );
> > - NetLibDestroyServiceChild (
> > - NicHandle,
> > - This->DriverBindingHandle,
> > - &gEfiArpServiceBindingProtocolGuid,
> > - Private->ArpChild
> > - );
> > -
> > - FreePool (Private);
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
> > deleted file mode 100644
> > index 3fa3be99c178..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.c
> > +++ /dev/null
> > @@ -1,2989 +0,0 @@
> > -/** @file
> > - Interface routines for PxeBc.
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -UINT32 mPxeDhcpTimeout[4] = { 4, 8, 16, 32 };
> > -
> > -/**
> > - Get and record the arp cache.
> > -
> > - @param This Pointer to EFI_PXE_BC_PROTOCOL
> > -
> > - @retval EFI_SUCCESS Arp cache updated successfully
> > - @retval others If error occurs when getting arp
> cache
> > -
> > -**/
> > -EFI_STATUS
> > -UpdateArpCache (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL * This
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_STATUS Status;
> > - UINT32 EntryLength;
> > - UINT32 EntryCount;
> > - EFI_ARP_FIND_DATA *Entries;
> > - UINT32 Index;
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - Status = Private->Arp->Find (
> > - Private->Arp,
> > - TRUE,
> > - NULL,
> > - &EntryLength,
> > - &EntryCount,
> > - &Entries,
> > - TRUE
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - Mode->ArpCacheEntries = MIN (
> > - EntryCount,
> > - EFI_PXE_BASE_CODE_MAX_ARP_ENTRIES
> > - );
> > - for (Index = 0; Index < Mode->ArpCacheEntries; Index ++) {
> > - CopyMem (
> > - &Mode->ArpCache[Index].IpAddr,
> > - Entries + 1,
> > - Entries->SwAddressLength
> > - );
> > - CopyMem (
> > - &Mode->ArpCache[Index].MacAddr,
> > - (UINT8 *) (Entries + 1) + Entries->SwAddressLength,
> > - Entries->HwAddressLength
> > - );
> > - //
> > - // Slip to the next FindData.
> > - //
> > - Entries = (EFI_ARP_FIND_DATA *) ((UINT8 *) Entries + EntryLength);
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Timeout routine to update arp cache.
> > -
> > - @param Event Pointer to EFI_PXE_BC_PROTOCOL
> > - @param Context Context of the timer event
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -ArpCacheUpdateTimeout (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - UpdateArpCache ((EFI_PXE_BASE_CODE_PROTOCOL *) Context);
> > -}
> > -
> > -/**
> > - Do arp resolution from arp cache in PxeBcMode.
> > -
> > - @param PxeBcMode The PXE BC mode to look into.
> > - @param Ip4Addr The Ip4 address for resolution.
> > - @param MacAddress The resoluted MAC address if the resolution is
> > successful.
> > - The value is undefined if resolution fails.
> > -
> > - @retval TRUE The resolution is successful.
> > - @retval FALSE Otherwise.
> > -
> > -**/
> > -BOOLEAN
> > -FindInArpCache (
> > - IN EFI_PXE_BASE_CODE_MODE *PxeBcMode,
> > - IN EFI_IPv4_ADDRESS *Ip4Addr,
> > - OUT EFI_MAC_ADDRESS *MacAddress
> > - )
> > -{
> > - UINT32 Index;
> > -
> > - for (Index = 0; Index < PxeBcMode->ArpCacheEntries; Index ++) {
> > - if (EFI_IP4_EQUAL (&PxeBcMode->ArpCache[Index].IpAddr.v4, Ip4Addr))
> > {
> > - CopyMem (
> > - MacAddress,
> > - &PxeBcMode->ArpCache[Index].MacAddr,
> > - sizeof (EFI_MAC_ADDRESS)
> > - );
> > - return TRUE;
> > - }
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -/**
> > - Notify function for the ICMP receive token, used to process
> > - the received ICMP packets.
> > -
> > - @param Context The PXEBC private data.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -IcmpErrorListenHandlerDpc (
> > - IN VOID *Context
> > - )
> > -{
> > - EFI_STATUS Status;
> > - EFI_IP4_RECEIVE_DATA *RxData;
> > - EFI_IP4_PROTOCOL *Ip4;
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - UINTN Index;
> > - UINT32 CopiedLen;
> > - UINT8 *CopiedPointer;
> > -
> > - Private = (PXEBC_PRIVATE_DATA *) Context;
> > - Mode = &Private->Mode;
> > - Status = Private->IcmpErrorRcvToken.Status;
> > - RxData = Private->IcmpErrorRcvToken.Packet.RxData;
> > - Ip4 = Private->Ip4;
> > -
> > - if (Status == EFI_ABORTED) {
> > - //
> > - // The reception is actively aborted by the consumer, directly
> return.
> > - //
> > - return;
> > - }
> > -
> > - if (RxData == NULL) {
> > - goto Resume;
> > - }
> > -
> > - if (Status != EFI_ICMP_ERROR) {
> > - //
> > - // The return status should be recognized as EFI_ICMP_ERROR.
> > - //
> > - goto CleanUp;
> > - }
> > -
> > - if (EFI_IP4 (RxData->Header->SourceAddress) != 0 &&
> > - (NTOHL (Mode->SubnetMask.Addr[0]) != 0) &&
> > - IP4_NET_EQUAL (NTOHL(Mode->StationIp.Addr[0]), EFI_NTOHL
> > (RxData->Header->SourceAddress), NTOHL (Mode->SubnetMask.Addr[0]))
> > &&
> > - !NetIp4IsUnicast (EFI_NTOHL (RxData->Header->SourceAddress),
> NTOHL
> > (Mode->SubnetMask.Addr[0]))) {
> > - //
> > - // The source address is not zero and it's not a unicast IP address,
> discard it.
> > - //
> > - goto CleanUp;
> > - }
> > -
> > - if (!EFI_IP4_EQUAL (&RxData->Header->DestinationAddress, &Mode-
> > >StationIp.v4)) {
> > - //
> > - // The dest address is not equal to Station Ip address, discard it.
> > - //
> > - goto CleanUp;
> > - }
> > -
> > - //
> > - // Constructor ICMP error packet
> > - //
> > - CopiedLen = 0;
> > - CopiedPointer = (UINT8 *) &Mode->IcmpError;
> > -
> > - for (Index = 0; Index < RxData->FragmentCount; Index ++) {
> > - CopiedLen += RxData->FragmentTable[Index].FragmentLength;
> > - if (CopiedLen <= sizeof (EFI_PXE_BASE_CODE_ICMP_ERROR)) {
> > - CopyMem (
> > - CopiedPointer,
> > - RxData->FragmentTable[Index].FragmentBuffer,
> > - RxData->FragmentTable[Index].FragmentLength
> > - );
> > - } else {
> > - CopyMem (
> > - CopiedPointer,
> > - RxData->FragmentTable[Index].FragmentBuffer,
> > - CopiedLen - sizeof (EFI_PXE_BASE_CODE_ICMP_ERROR)
> > - );
> > - }
> > - CopiedPointer += CopiedLen;
> > - }
> > -
> > -CleanUp:
> > - gBS->SignalEvent (RxData->RecycleSignal);
> > -
> > -Resume:
> > - Ip4->Receive (Ip4, &(Private->IcmpErrorRcvToken));
> > -}
> > -
> > -/**
> > - Request IcmpErrorListenHandlerDpc as a DPC at TPL_CALLBACK
> > -
> > - @param Event The event signaled.
> > - @param Context The context passed in by the event
> notifier.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -IcmpErrorListenHandler (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - //
> > - // Request IpIoListenHandlerDpc as a DPC at TPL_CALLBACK
> > - //
> > - QueueDpc (TPL_CALLBACK, IcmpErrorListenHandlerDpc, Context);
> > -}
> > -
> > -/**
> > - Enables the use of the PXE Base Code Protocol functions.
> > -
> > - This function enables the use of the PXE Base Code Protocol functions.
> If
> > the
> > - Started field of the EFI_PXE_BASE_CODE_MODE structure is already TRUE,
> > then
> > - EFI_ALREADY_STARTED will be returned. If UseIpv6 is TRUE, then IPv6
> > formatted
> > - addresses will be used in this session. If UseIpv6 is FALSE, then
> IPv4
> > formatted
> > - addresses will be used in this session. If UseIpv6 is TRUE, and the
> > Ipv6Supported
> > - field of the EFI_PXE_BASE_CODE_MODE structure is FALSE, then
> > EFI_UNSUPPORTED will
> > - be returned. If there is not enough memory or other resources to
> start the
> > PXE
> > - Base Code Protocol, then EFI_OUT_OF_RESOURCES will be returned.
> > Otherwise, the
> > - PXE Base Code Protocol will be started, and all of the fields of the
> > EFI_PXE_BASE_CODE_MODE
> > - structure will be initialized as follows:
> > - StartedSet to TRUE.
> > - Ipv6SupportedUnchanged.
> > - Ipv6AvailableUnchanged.
> > - UsingIpv6Set to UseIpv6.
> > - BisSupportedUnchanged.
> > - BisDetectedUnchanged.
> > - AutoArpSet to TRUE.
> > - SendGUIDSet to FALSE.
> > - TTLSet to DEFAULT_TTL.
> > - ToSSet to DEFAULT_ToS.
> > - DhcpCompletedSet to FALSE.
> > - ProxyOfferReceivedSet to FALSE.
> > - StationIpSet to an address of all zeros.
> > - SubnetMaskSet to a subnet mask of all zeros.
> > - DhcpDiscoverZero-filled.
> > - DhcpAckZero-filled.
> > - ProxyOfferZero-filled.
> > - PxeDiscoverValidSet to FALSE.
> > - PxeDiscoverZero-filled.
> > - PxeReplyValidSet to FALSE.
> > - PxeReplyZero-filled.
> > - PxeBisReplyValidSet to FALSE.
> > - PxeBisReplyZero-filled.
> > - IpFilterSet the Filters field to 0 and the IpCnt field to 0.
> > - ArpCacheEntriesSet to 0.
> > - ArpCacheZero-filled.
> > - RouteTableEntriesSet to 0.
> > - RouteTableZero-filled.
> > - IcmpErrorReceivedSet to FALSE.
> > - IcmpErrorZero-filled.
> > - TftpErroReceivedSet to FALSE.
> > - TftpErrorZero-filled.
> > - MakeCallbacksSet to TRUE if the PXE Base Code Callback Protocol is
> > available.
> > - Set to FALSE if the PXE Base Code Callback Protocol is not
> available.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param UseIpv6 Specifies the type of IP addresses that
> are to be
> > used during the session
> > - that is being started. Set to TRUE for
> IPv6 addresses, and
> > FALSE for
> > - IPv4 addresses.
> > -
> > - @retval EFI_SUCCESS The PXE Base Code Protocol was started.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this oper
> > - @retval EFI_UNSUPPORTED UseIpv6 is TRUE, but the Ipv6Supported
> > field of the
> > - EFI_PXE_BASE_CODE_MODE structure is
> FALSE.
> > - @retval EFI_ALREADY_STARTED The PXE Base Code Protocol is already
> in
> > the started state.
> > - @retval EFI_INVALID_PARAMETER The This parameter is NULL or does not
> > point to a valid
> > - EFI_PXE_BASE_CODE_PROTOCOL structure.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough memory or
> > other resources to start the
> > - PXE Base Code Protocol.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcStart (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN BOOLEAN UseIpv6
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_STATUS Status;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (Mode->Started) {
> > - return EFI_ALREADY_STARTED;
> > - }
> > -
> > - if (UseIpv6) {
> > - //
> > - // IPv6 is not supported now.
> > - //
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - AsciiPrint ("\n>>Start PXE over IPv4");
> > -
> > - //
> > - // Configure the udp4 instance to let it receive data
> > - //
> > - Status = Private->Udp4Read->Configure (
> > - Private->Udp4Read,
> > - &Private->Udp4CfgData
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > -
> > - //
> > - // Configure block size for TFTP as a default value to handle all
> link layers.
> > - //
> > - Private->BlockSize = MIN (Private->Ip4MaxPacketSize,
> > PXEBC_DEFAULT_PACKET_SIZE) -
> > - PXEBC_DEFAULT_UDP_OVERHEAD_SIZE -
> > PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE;
> > - //
> > - // If PcdTftpBlockSize is set to non-zero, override the default value.
> > - //
> > - if (PcdGet64 (PcdTftpBlockSize) != 0) {
> > - Private->BlockSize = (UINTN) PcdGet64 (PcdTftpBlockSize);
> > - }
> > -
> > - Private->AddressIsOk = FALSE;
> > -
> > - ZeroMem (Mode, sizeof (EFI_PXE_BASE_CODE_MODE));
> > -
> > - Mode->Started = TRUE;
> > - Mode->TTL = DEFAULT_TTL;
> > - Mode->ToS = DEFAULT_ToS;
> > - Mode->AutoArp = TRUE;
> > -
> > - //
> > - // Create the event for Arp Cache checking.
> > - //
> > - Status = gBS->CreateEvent (
> > - EVT_TIMER | EVT_NOTIFY_SIGNAL,
> > - TPL_CALLBACK,
> > - ArpCacheUpdateTimeout,
> > - This,
> > - &Private->GetArpCacheEvent
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - // Start the timeout timer event.
> > - //
> > - Status = gBS->SetTimer (
> > - Private->GetArpCacheEvent,
> > - TimerPeriodic,
> > - TICKS_PER_SECOND
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - // Create ICMP error receiving event
> > - //
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - IcmpErrorListenHandler,
> > - Private,
> > - &(Private->IcmpErrorRcvToken.Event)
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - //DHCP4 service allows only one of its children to be configured in
> > - //the active state, If the DHCP4 D.O.R.A started by IP4 auto
> > - //configuration and has not been completed, the Dhcp4 state machine
> > - //will not be in the right state for the PXE to start a new round
> D.O.R.A.
> > - //so we need to switch it's policy to static.
> > - //
> > - Status = PxeBcSetIp4Policy (Private);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = Private->Ip4->Configure (Private->Ip4, &Private-
> >Ip4ConfigData);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - // start to listen incoming packet
> > - //
> > - Status = Private->Ip4->Receive (Private->Ip4, &Private-
> > >IcmpErrorRcvToken);
> > - if (!EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > -ON_EXIT:
> > - Private->Ip4->Configure (Private->Ip4, NULL);
> > -
> > - if (Private->IcmpErrorRcvToken.Event != NULL) {
> > - gBS->CloseEvent (Private->IcmpErrorRcvToken.Event);
> > - }
> > -
> > - if (Private->GetArpCacheEvent != NULL) {
> > - gBS->SetTimer (Private->GetArpCacheEvent, TimerCancel, 0);
> > - gBS->CloseEvent (Private->GetArpCacheEvent);
> > - }
> > -
> > - Mode->Started = FALSE;
> > - Mode->TTL = 0;
> > - Mode->ToS = 0;
> > - Mode->AutoArp = FALSE;
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Disables the use of the PXE Base Code Protocol functions.
> > -
> > - This function stops all activity on the network device. All the
> resources
> > allocated
> > - in Start() are released, the Started field of the
> EFI_PXE_BASE_CODE_MODE
> > structure is
> > - set to FALSE and EFI_SUCCESS is returned. If the Started field of the
> > EFI_PXE_BASE_CODE_MODE
> > - structure is already FALSE, then EFI_NOT_STARTED will be returned.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > -
> > - @retval EFI_SUCCESS The PXE Base Code Protocol was stopped.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is already
> in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER The This parameter is NULL or does not
> > point to a valid
> > - EFI_PXE_BASE_CODE_PROTOCOL structure.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcStop (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - Private->Ip4->Cancel (Private->Ip4, NULL);
> > - //
> > - // Dispatch the DPCs queued by the NotifyFunction of the canceled rx
> > token's
> > - // events.
> > - //
> > - DispatchDpc ();
> > -
> > - Private->Ip4->Configure (Private->Ip4, NULL);
> > -
> > - //
> > - // Close the ICMP error receiving event.
> > - //
> > - gBS->CloseEvent (Private->IcmpErrorRcvToken.Event);
> > -
> > - //
> > - // Cancel the TimeoutEvent timer.
> > - //
> > - gBS->SetTimer (Private->GetArpCacheEvent, TimerCancel, 0);
> > -
> > - //
> > - // Close the TimeoutEvent event.
> > - //
> > - gBS->CloseEvent (Private->GetArpCacheEvent);
> > -
> > - Mode->Started = FALSE;
> > -
> > - Private->CurrentUdpSrcPort = 0;
> > - Private->Udp4Write->Configure (Private->Udp4Write, NULL);
> > - Private->Udp4Read->Groups (Private->Udp4Read, FALSE, NULL);
> > - Private->Udp4Read->Configure (Private->Udp4Read, NULL);
> > -
> > - Private->Dhcp4->Stop (Private->Dhcp4);
> > - Private->Dhcp4->Configure (Private->Dhcp4, NULL);
> > -
> > - Private->FileSize = 0;
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Attempts to complete a DHCPv4 D.O.R.A. (discover / offer / request /
> > acknowledge) or DHCPv6
> > - S.A.R.R (solicit / advertise / request / reply) sequence.
> > -
> > - This function attempts to complete the DHCP sequence. If this
> sequence is
> > completed,
> > - then EFI_SUCCESS is returned, and the DhcpCompleted,
> > ProxyOfferReceived, StationIp,
> > - SubnetMask, DhcpDiscover, DhcpAck, and ProxyOffer fields of the
> > EFI_PXE_BASE_CODE_MODE
> > - structure are filled in.
> > - If SortOffers is TRUE, then the cached DHCP offer packets will be
> sorted
> > before
> > - they are tried. If SortOffers is FALSE, then the cached DHCP offer
> packets
> > will
> > - be tried in the order in which they are received. Please see the
> Preboot
> > Execution
> > - Environment (PXE) Specification for additional details on the
> > implementation of DHCP.
> > - This function can take at least 31 seconds to timeout and return
> control to
> > the
> > - caller. If the DHCP sequence does not complete, then EFI_TIMEOUT will
> be
> > returned.
> > - If the Callback Protocol does not return
> > EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE,
> > - then the DHCP sequence will be stopped and EFI_ABORTED will be
> > returned.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param SortOffers TRUE if the offers received should be
> sorted. Set
> > to FALSE to try the
> > - offers in the order that they are
> received.
> > -
> > - @retval EFI_SUCCESS Valid DHCP has completed.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER The This parameter is NULL or does not
> > point to a valid
> > - EFI_PXE_BASE_CODE_PROTOCOL structure.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough memory to
> > complete the DHCP Protocol.
> > - @retval EFI_ABORTED The callback function aborted the DHCP
> > Protocol.
> > - @retval EFI_TIMEOUT The DHCP Protocol timed out.
> > - @retval EFI_ICMP_ERROR An ICMP error packet was received
> during
> > the DHCP session.
> > - @retval EFI_NO_RESPONSE Valid PXE offer was not received.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcDhcp (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN BOOLEAN SortOffers
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_DHCP4_PROTOCOL *Dhcp4;
> > - EFI_DHCP4_CONFIG_DATA Dhcp4CfgData;
> > - EFI_DHCP4_MODE_DATA Dhcp4Mode;
> > - EFI_DHCP4_PACKET_OPTION
> > *OptList[PXEBC_DHCP4_MAX_OPTION_NUM];
> > - UINT32 OptCount;
> > - EFI_STATUS Status;
> > - EFI_ARP_CONFIG_DATA ArpConfigData;
> > - EFI_PXE_BASE_CODE_IP_FILTER IpFilter;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = EFI_SUCCESS;
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > - Dhcp4 = Private->Dhcp4;
> > - Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DHCP;
> > - Private->SortOffers = SortOffers;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - //
> > - // Stop Udp4Read instance
> > - //
> > - Private->Udp4Read->Configure (Private->Udp4Read, NULL);
> > -
> > - //
> > - // Initialize the DHCP options and build the option list
> > - //
> > - OptCount = PxeBcBuildDhcpOptions (Private, OptList, TRUE);
> > -
> > - //
> > - // Set the DHCP4 config data.
> > - // The four discovery timeouts are 4, 8, 16, 32 seconds respectively.
> > - //
> > - ZeroMem (&Dhcp4CfgData, sizeof (EFI_DHCP4_CONFIG_DATA));
> > - Dhcp4CfgData.OptionCount = OptCount;
> > - Dhcp4CfgData.OptionList = OptList;
> > - Dhcp4CfgData.Dhcp4Callback = PxeBcDhcpCallBack;
> > - Dhcp4CfgData.CallbackContext = Private;
> > - Dhcp4CfgData.DiscoverTryCount = 4;
> > - Dhcp4CfgData.DiscoverTimeout = mPxeDhcpTimeout;
> > -
> > - Status = Dhcp4->Configure (Dhcp4, &Dhcp4CfgData);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - //
> > - // Zero those arrays to record the varies numbers of DHCP OFFERS.
> > - //
> > - Private->GotProxyOffer = FALSE;
> > - Private->NumOffers = 0;
> > - Private->BootpIndex = 0;
> > - ZeroMem (Private->ServerCount, sizeof (Private->ServerCount));
> > - ZeroMem (Private->ProxyIndex, sizeof (Private->ProxyIndex));
> > -
> > - Status = Dhcp4->Start (Dhcp4, NULL);
> > - if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - }
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = Dhcp4->GetModeData (Dhcp4, &Dhcp4Mode);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - ASSERT (Dhcp4Mode.State == Dhcp4Bound);
> > -
> > - CopyMem (&Private->StationIp, &Dhcp4Mode.ClientAddress, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&Private->SubnetMask, &Dhcp4Mode.SubnetMask, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&Private->GatewayIp, &Dhcp4Mode.RouterAddress, sizeof
> > (EFI_IPv4_ADDRESS));
> > -
> > - CopyMem (&Mode->StationIp, &Private->StationIp, sizeof
> > (EFI_IPv4_ADDRESS));
> > - CopyMem (&Mode->SubnetMask, &Private->SubnetMask, sizeof
> > (EFI_IPv4_ADDRESS));
> > -
> > - //
> > - // Check the selected offer to see whether BINL is required, if no or
> BINL is
> > - // finished, set the various Mode members.
> > - //
> > - Status = PxeBcCheckSelectedOffer (Private);
> > -
> > - AsciiPrint ("\n Station IP address is ");
> > -
> > - PxeBcShowIp4Addr (&Private->StationIp.v4);
> > - AsciiPrint ("\n");
> > -
> > -ON_EXIT:
> > - if (EFI_ERROR (Status)) {
> > - Dhcp4->Stop (Dhcp4);
> > - Dhcp4->Configure (Dhcp4, NULL);
> > - } else {
> > - //
> > - // Remove the previously configured option list and callback
> function
> > - //
> > - ZeroMem (&Dhcp4CfgData, sizeof (EFI_DHCP4_CONFIG_DATA));
> > - Dhcp4->Configure (Dhcp4, &Dhcp4CfgData);
> > -
> > - Private->AddressIsOk = TRUE;
> > -
> > - if (!Mode->UsingIpv6) {
> > - //
> > - // If in IPv4 mode, configure the corresponding ARP with this new
> > - // station IP address.
> > - //
> > - ZeroMem (&ArpConfigData, sizeof (EFI_ARP_CONFIG_DATA));
> > -
> > - ArpConfigData.SwAddressType = 0x0800;
> > - ArpConfigData.SwAddressLength = (UINT8) sizeof (EFI_IPv4_ADDRESS);
> > - ArpConfigData.StationAddress = &Private->StationIp.v4;
> > -
> > - Private->Arp->Configure (Private->Arp, NULL);
> > - Private->Arp->Configure (Private->Arp, &ArpConfigData);
> > -
> > - //
> > - // Updated the route table. Fill the first entry.
> > - //
> > - Mode->RouteTableEntries = 1;
> > - Mode->RouteTable[0].IpAddr.Addr[0] = Private-
> >StationIp.Addr[0] &
> > Private->SubnetMask.Addr[0];
> > - Mode->RouteTable[0].SubnetMask.Addr[0] = Private-
> > >SubnetMask.Addr[0];
> > - Mode->RouteTable[0].GwAddr.Addr[0] = 0;
> > -
> > - //
> > - // Create the default route entry if there is a default router.
> > - //
> > - if (Private->GatewayIp.Addr[0] != 0) {
> > - Mode->RouteTableEntries = 2;
> > - Mode->RouteTable[1].IpAddr.Addr[0] = 0;
> > - Mode->RouteTable[1].SubnetMask.Addr[0] = 0;
> > - Mode->RouteTable[1].GwAddr.Addr[0] = Private-
> > >GatewayIp.Addr[0];
> > - }
> > -
> > - //
> > - // Flush new station IP address into Udp4CfgData and
> Ip4ConfigData
> > - //
> > - CopyMem (&Private->Udp4CfgData.StationAddress, &Private-
> >StationIp,
> > sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Private->Udp4CfgData.SubnetMask, &Private-
> > >SubnetMask, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Private->Ip4ConfigData.StationAddress, &Private-
> > >StationIp, sizeof (EFI_IPv4_ADDRESS));
> > - CopyMem (&Private->Ip4ConfigData.SubnetMask, &Private-
> > >SubnetMask, sizeof (EFI_IPv4_ADDRESS));
> > -
> > - //
> > - // Reconfigure the Ip4 instance to capture background ICMP
> packets with
> > new station Ip address.
> > - //
> > - Private->Ip4->Cancel (Private->Ip4, &Private->IcmpErrorRcvToken);
> > - Private->Ip4->Configure (Private->Ip4, NULL);
> > -
> > - Status = Private->Ip4->Configure (Private->Ip4, &Private-
> >Ip4ConfigData);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = Private->Ip4->Receive (Private->Ip4, &Private-
> > >IcmpErrorRcvToken);
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > - }
> > - }
> > -
> > - Private->Udp4Read->Configure (Private->Udp4Read, &Private-
> > >Udp4CfgData);
> > -
> > - //
> > - // Dhcp(), Discover(), and Mtftp() set the IP filter, and return with
> the IP
> > - // receive filter list emptied and the filter set to
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.
> > - //
> > - ZeroMem(&IpFilter, sizeof (EFI_PXE_BASE_CODE_IP_FILTER));
> > - IpFilter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;
> > - This->SetIpFilter (This, &IpFilter);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Attempts to complete the PXE Boot Server and/or boot image discovery
> > sequence.
> > -
> > - This function attempts to complete the PXE Boot Server and/or boot
> image
> > discovery
> > - sequence. If this sequence is completed, then EFI_SUCCESS is returned,
> > and the
> > - PxeDiscoverValid, PxeDiscover, PxeReplyReceived, and PxeReply fields
> of
> > the
> > - EFI_PXE_BASE_CODE_MODE structure are filled in. If UseBis is TRUE,
> then
> > the
> > - PxeBisReplyReceived and PxeBisReply fields of the
> > EFI_PXE_BASE_CODE_MODE structure
> > - will also be filled in. If UseBis is FALSE, then PxeBisReplyValid
> will be set to
> > FALSE.
> > - In the structure referenced by parameter Info, the PXE Boot Server
> list,
> > SrvList[],
> > - has two uses: It is the Boot Server IP address list used for unicast
> discovery
> > - (if the UseUCast field is TRUE), and it is the list used for Boot
> Server
> > verification
> > - (if the MustUseList field is TRUE). Also, if the MustUseList field in
> that
> > structure
> > - is TRUE and the AcceptAnyResponse field in the SrvList[] array is
> TRUE, any
> > Boot
> > - Server reply of that type will be accepted. If the AcceptAnyResponse
> field
> > is
> > - FALSE, only responses from Boot Servers with matching IP addresses
> will
> > be accepted.
> > - This function can take at least 10 seconds to timeout and return
> control to
> > the
> > - caller. If the Discovery sequence does not complete, then EFI_TIMEOUT
> > will be
> > - returned. Please see the Preboot Execution Environment (PXE)
> > Specification for
> > - additional details on the implementation of the Discovery sequence.
> > - If the Callback Protocol does not return
> > EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE,
> > - then the Discovery sequence is stopped and EFI_ABORTED will be
> returned.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param Type The type of bootstrap to perform.
> > - @param Layer Pointer to the boot server layer number
> to discover,
> > which must be
> > - PXE_BOOT_LAYER_INITIAL when a new
> server type is being
> > - discovered.
> > - @param UseBis TRUE if Boot Integrity Services are to
> be used.
> > FALSE otherwise.
> > - @param Info Pointer to a data structure that
> contains additional
> > information on the
> > - type of discovery operation that is to
> be performed.
> > -
> > - @retval EFI_SUCCESS The Discovery sequence has been
> completed.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough memory to
> > complete Discovery.
> > - @retval EFI_ABORTED The callback function aborted the
> Discovery
> > sequence.
> > - @retval EFI_TIMEOUT The Discovery sequence timed out.
> > - @retval EFI_ICMP_ERROR An ICMP error packet was received
> during
> > the PXE discovery
> > - session.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcDiscover (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN UINT16 Type,
> > - IN UINT16 *Layer,
> > - IN BOOLEAN UseBis,
> > - IN EFI_PXE_BASE_CODE_DISCOVER_INFO *Info OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_PXE_BASE_CODE_DISCOVER_INFO DefaultInfo;
> > - EFI_PXE_BASE_CODE_DISCOVER_INFO *CreatedInfo;
> > - EFI_PXE_BASE_CODE_SRVLIST *SrvList;
> > - EFI_PXE_BASE_CODE_SRVLIST DefaultSrvList;
> > - PXEBC_CACHED_DHCP4_PACKET *Packet;
> > - PXEBC_VENDOR_OPTION *VendorOpt;
> > - UINT16 Index;
> > - EFI_STATUS Status;
> > - PXEBC_BOOT_SVR_ENTRY *BootSvrEntry;
> > - EFI_PXE_BASE_CODE_IP_FILTER IpFilter;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > - BootSvrEntry = NULL;
> > - SrvList = NULL;
> > - CreatedInfo = NULL;
> > - Status = EFI_DEVICE_ERROR;
> > - Private->Function = EFI_PXE_BASE_CODE_FUNCTION_DISCOVER;
> > -
> > - if (!Private->AddressIsOk) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - //
> > - // Stop Udp4Read instance
> > - //
> > - Private->Udp4Read->Configure (Private->Udp4Read, NULL);
> > -
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - //
> > - // If layer isn't EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL,
> > - // use the previous setting;
> > - // If info isn't offered,
> > - // use the cached DhcpAck and ProxyOffer packets.
> > - //
> > - ZeroMem (&DefaultInfo, sizeof (EFI_PXE_BASE_CODE_DISCOVER_INFO));
> > - if (*Layer != EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL) {
> > -
> > - if (!Mode->PxeDiscoverValid || !Mode->PxeReplyReceived || (!Mode-
> > >PxeBisReplyReceived && UseBis)) {
> > -
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > -
> > - DefaultInfo.IpCnt = 1;
> > - DefaultInfo.UseUCast = TRUE;
> > -
> > - DefaultSrvList.Type = Type;
> > - DefaultSrvList.AcceptAnyResponse = FALSE;
> > - DefaultSrvList.IpAddr.Addr[0] = Private->ServerIp.Addr[0];
> > -
> > - SrvList = &DefaultSrvList;
> > - Info = &DefaultInfo;
> > - } else if (Info == NULL) {
> > - //
> > - // Create info by the cached packet before
> > - //
> > - Packet = (Mode->ProxyOfferReceived) ? &Private->ProxyOffer :
> > &Private->Dhcp4Ack;
> > - VendorOpt = &Packet->PxeVendorOption;
> > -
> > - if (!Mode->DhcpAckReceived || !IS_VALID_DISCOVER_VENDOR_OPTION
> > (VendorOpt->BitMap)) {
> > - //
> > - // Address is not acquired or no discovery options.
> > - //
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > -
> > - DefaultInfo.UseMCast = (BOOLEAN)!IS_DISABLE_MCAST_DISCOVER
> > (VendorOpt->DiscoverCtrl);
> > - DefaultInfo.UseBCast = (BOOLEAN)!IS_DISABLE_BCAST_DISCOVER
> > (VendorOpt->DiscoverCtrl);
> > - DefaultInfo.MustUseList = (BOOLEAN) IS_ENABLE_USE_SERVER_LIST
> > (VendorOpt->DiscoverCtrl);
> > - DefaultInfo.UseUCast = DefaultInfo.MustUseList;
> > -
> > - if (DefaultInfo.UseMCast) {
> > - //
> > - // Get the multicast discover ip address from vendor option.
> > - //
> > - CopyMem (
> > - &DefaultInfo.ServerMCastIp.Addr,
> > - &VendorOpt->DiscoverMcastIp,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - }
> > -
> > - DefaultInfo.IpCnt = 0;
> > - Info = &DefaultInfo;
> > - SrvList = Info->SrvList;
> > -
> > - if (DefaultInfo.MustUseList) {
> > - BootSvrEntry = VendorOpt->BootSvr;
> > - Status = EFI_INVALID_PARAMETER;
> > -
> > - while (((UINT8) (BootSvrEntry - VendorOpt->BootSvr)) < VendorOpt-
> > >BootSvrLen) {
> > -
> > - if (BootSvrEntry->Type == HTONS (Type)) {
> > - Status = EFI_SUCCESS;
> > - break;
> > - }
> > -
> > - BootSvrEntry = GET_NEXT_BOOT_SVR_ENTRY (BootSvrEntry);
> > - }
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - DefaultInfo.IpCnt = BootSvrEntry->IpCnt;
> > -
> > - if (DefaultInfo.IpCnt >= 1) {
> > - CreatedInfo = AllocatePool (sizeof (DefaultInfo) +
> (DefaultInfo.IpCnt - 1)
> > * sizeof (*SrvList));
> > - if (CreatedInfo == NULL) {
> > - Status = EFI_OUT_OF_RESOURCES;
> > - goto ON_EXIT;
> > -
> > - }
> > -
> > - CopyMem (CreatedInfo, &DefaultInfo, sizeof (DefaultInfo));
> > - Info = CreatedInfo;
> > - SrvList = Info->SrvList;
> > - }
> > -
> > - for (Index = 0; Index < DefaultInfo.IpCnt; Index++) {
> > - CopyMem (&SrvList[Index].IpAddr, &BootSvrEntry->IpAddr[Index],
> > sizeof (EFI_IPv4_ADDRESS));
> > - SrvList[Index].AcceptAnyResponse = FALSE;
> > - SrvList[Index].Type = BootSvrEntry->Type;
> > - }
> > - }
> > -
> > - } else {
> > -
> > - SrvList = Info->SrvList;
> > -
> > - if (!SrvList[0].AcceptAnyResponse) {
> > -
> > - for (Index = 1; Index < Info->IpCnt; Index++) {
> > - if (SrvList[Index].AcceptAnyResponse) {
> > - break;
> > - }
> > - }
> > -
> > - if (Index != Info->IpCnt) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - }
> > - }
> > -
> > - if ((!Info->UseUCast && !Info->UseBCast && !Info->UseMCast) || (Info-
> > >MustUseList && Info->IpCnt == 0)) {
> > -
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - //
> > - // Execute discover by UniCast/BroadCast/MultiCast
> > - //
> > - if (Info->UseUCast) {
> > -
> > - for (Index = 0; Index < Info->IpCnt; Index++) {
> > -
> > - if (BootSvrEntry == NULL) {
> > - Private->ServerIp.Addr[0] = SrvList[Index].IpAddr.Addr[0];
> > - } else {
> > - CopyMem (
> > - &Private->ServerIp,
> > - &BootSvrEntry->IpAddr[Index],
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - }
> > -
> > - Status = PxeBcDiscvBootService (
> > - Private,
> > - Type,
> > - Layer,
> > - UseBis,
> > - &SrvList[Index].IpAddr,
> > - 0,
> > - NULL,
> > - TRUE,
> > - &Private->PxeReply.Packet.Ack
> > - );
> > - if (!EFI_ERROR (Status)) {
> > - break;
> > - }
> > - }
> > -
> > - } else if (Info->UseMCast) {
> > -
> > - Status = PxeBcDiscvBootService (
> > - Private,
> > - Type,
> > - Layer,
> > - UseBis,
> > - &Info->ServerMCastIp,
> > - 0,
> > - NULL,
> > - TRUE,
> > - &Private->PxeReply.Packet.Ack
> > - );
> > -
> > - } else if (Info->UseBCast) {
> > -
> > - Status = PxeBcDiscvBootService (
> > - Private,
> > - Type,
> > - Layer,
> > - UseBis,
> > - NULL,
> > - Info->IpCnt,
> > - SrvList,
> > - TRUE,
> > - &Private->PxeReply.Packet.Ack
> > - );
> > - }
> > -
> > - if (EFI_ERROR (Status) || !Mode->PxeReplyReceived || (!Mode-
> > >PxeBisReplyReceived && UseBis)) {
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - } else {
> > - Status = EFI_DEVICE_ERROR;
> > - }
> > - goto ON_EXIT;
> > - } else {
> > - PxeBcParseCachedDhcpPacket (&Private->PxeReply);
> > - }
> > -
> > - if (Mode->PxeBisReplyReceived) {
> > - CopyMem (
> > - &Private->ServerIp,
> > - &Mode->PxeReply.Dhcpv4.BootpSiAddr,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - }
> > -
> > - if (CreatedInfo != NULL) {
> > - FreePool (CreatedInfo);
> > - }
> > -
> > -ON_EXIT:
> > -
> > - Private->Udp4Read->Configure (Private->Udp4Read, &Private-
> > >Udp4CfgData);
> > -
> > - //
> > - // Dhcp(), Discover(), and Mtftp() set the IP filter, and return with
> the IP
> > - // receive filter list emptied and the filter set to
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.
> > - //
> > - ZeroMem(&IpFilter, sizeof (EFI_PXE_BASE_CODE_IP_FILTER));
> > - IpFilter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;
> > - This->SetIpFilter (This, &IpFilter);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Used to perform TFTP and MTFTP services.
> > -
> > - This function is used to perform TFTP and MTFTP services. This
> includes the
> > - TFTP operations to get the size of a file, read a directory, read a
> file, and
> > - write a file. It also includes the MTFTP operations to get the size
> of a file,
> > - read a directory, and read a file. The type of operation is specified
> by
> > Operation.
> > - If the callback function that is invoked during the TFTP/MTFTP
> operation
> > does
> > - not return EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE, then
> > EFI_ABORTED will
> > - be returned.
> > - For read operations, the return data will be placed in the buffer
> specified
> > by
> > - BufferPtr. If BufferSize is too small to contain the entire
> downloaded file,
> > - then EFI_BUFFER_TOO_SMALL will be returned and BufferSize will be set
> > to zero
> > - or the size of the requested file (the size of the requested file is
> only
> > returned
> > - if the TFTP server supports TFTP options). If BufferSize is large
> enough for
> > the
> > - read operation, then BufferSize will be set to the size of the
> downloaded
> > file,
> > - and EFI_SUCCESS will be returned. Applications using the PxeBc.Mtftp()
> > services
> > - should use the get-file-size operations to determine the size of the
> > downloaded
> > - file prior to using the read-file operations-especially when
> downloading
> > large
> > - (greater than 64 MB) files-instead of making two calls to the read-
> file
> > operation.
> > - Following this recommendation will save time if the file is larger
> than
> > expected
> > - and the TFTP server does not support TFTP option extensions. Without
> > TFTP option
> > - extension support, the client has to download the entire file,
> counting and
> > discarding
> > - the received packets, to determine the file size.
> > - For write operations, the data to be sent is in the buffer specified
> by
> > BufferPtr.
> > - BufferSize specifies the number of bytes to send. If the write
> operation
> > completes
> > - successfully, then EFI_SUCCESS will be returned.
> > - For TFTP "get file size" operations, the size of the requested file
> or
> > directory
> > - is returned in BufferSize, and EFI_SUCCESS will be returned. If the
> TFTP
> > server
> > - does not support options, the file will be downloaded into a bit
> bucket and
> > the
> > - length of the downloaded file will be returned. For MTFTP "get file
> size"
> > operations,
> > - if the MTFTP server does not support the "get file size" option,
> > EFI_UNSUPPORTED
> > - will be returned.
> > - This function can take up to 10 seconds to timeout and return control
> to the
> > caller.
> > - If the TFTP sequence does not complete, EFI_TIMEOUT will be returned.
> > - If the Callback Protocol does not return
> > EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE,
> > - then the TFTP sequence is stopped and EFI_ABORTED will be returned.
> > - The format of the data returned from a TFTP read directory operation
> is a
> > null-terminated
> > - filename followed by a null-terminated information string, of the
> form
> > - "size year-month-day hour:minute:second" (i.e. %d %d-%d-%d %d:%d:%f -
> > note that
> > - the seconds field can be a decimal number), where the date and time
> are
> > UTC. For
> > - an MTFTP read directory command, there is additionally a null-
> terminated
> > multicast
> > - IP address preceding the filename of the form %d.%d.%d.%d for IP v4.
> The
> > final
> > - entry is itself null-terminated, so that the final information string
> is
> > terminated
> > - with two null octets.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param Operation The type of operation to perform.
> > - @param BufferPtr A pointer to the data buffer.
> > - @param Overwrite Only used on write file operations.
> TRUE if a file
> > on a remote server can
> > - be overwritten.
> > - @param BufferSize For get-file-size operations,
> *BufferSize returns
> > the size of the
> > - requested file.
> > - @param BlockSize The requested block size to be used
> during a TFTP
> > transfer.
> > - @param ServerIp The TFTP / MTFTP server IP address.
> > - @param Filename A Null-terminated ASCII string that
> specifies a
> > directory name or a file
> > - name.
> > - @param Info Pointer to the MTFTP information.
> > - @param DontUseBuffer Set to FALSE for normal TFTP and MTFTP
> read
> > file operation.
> > -
> > - @retval EFI_SUCCESS The TFTP/MTFTP operation was completed.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval EFI_BUFFER_TOO_SMALL The buffer is not large enough to
> > complete the read operation.
> > - @retval EFI_ABORTED The callback function aborted the
> TFTP/MTFTP
> > operation.
> > - @retval EFI_TIMEOUT The TFTP/MTFTP operation timed out.
> > - @retval EFI_ICMP_ERROR An ICMP error packet was received
> during
> > the MTFTP session.
> > - @retval EFI_TFTP_ERROR A TFTP error packet was received during
> the
> > MTFTP session.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcMtftp (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN EFI_PXE_BASE_CODE_TFTP_OPCODE Operation,
> > - IN OUT VOID *BufferPtr,
> > - IN BOOLEAN Overwrite,
> > - IN OUT UINT64 *BufferSize,
> > - IN UINTN *BlockSize OPTIONAL,
> > - IN EFI_IP_ADDRESS *ServerIp,
> > - IN UINT8 *Filename,
> > - IN EFI_PXE_BASE_CODE_MTFTP_INFO *Info OPTIONAL,
> > - IN BOOLEAN DontUseBuffer
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_MTFTP4_CONFIG_DATA Mtftp4Config;
> > - EFI_STATUS Status;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_MAC_ADDRESS TempMacAddr;
> > - EFI_PXE_BASE_CODE_IP_FILTER IpFilter;
> > -
> > - if ((This == NULL)
> ||
> > - (Filename == NULL)
> ||
> > - (BufferSize == NULL)
> ||
> > - ((ServerIp == NULL) ||
> > - (IP4_IS_UNSPECIFIED (NTOHL (ServerIp->Addr[0])) ||
> > - IP4_IS_LOCAL_BROADCAST (NTOHL (ServerIp->Addr[0]))))
> ||
> > - ((BufferPtr == NULL) && DontUseBuffer)
> ||
> > - ((BlockSize != NULL) && (*BlockSize < 512))) {
> > -
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Status = EFI_DEVICE_ERROR;
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = &Private->Mode;
> > -
> > - if (!Mode->AutoArp) {
> > - //
> > - // If AutoArp is set false, check arp cache
> > - //
> > - UpdateArpCache (This);
> > - if (!FindInArpCache (Mode, &ServerIp->v4, &TempMacAddr)) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > - }
> > -
> > - //
> > - // Stop Udp4Read instance
> > - //
> > - Private->Udp4Read->Configure (Private->Udp4Read, NULL);
> > -
> > - Mode->TftpErrorReceived = FALSE;
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - Mtftp4Config.UseDefaultSetting = FALSE;
> > - Mtftp4Config.TimeoutValue = PXEBC_MTFTP_TIMEOUT;
> > - Mtftp4Config.TryCount = PXEBC_MTFTP_RETRIES;
> > -
> > - CopyMem (
> > - &Mtftp4Config.StationIp,
> > - &Private->StationIp,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - CopyMem (
> > - &Mtftp4Config.SubnetMask,
> > - &Private->SubnetMask,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - CopyMem (
> > - &Mtftp4Config.GatewayIp,
> > - &Private->GatewayIp,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - CopyMem (
> > - &Mtftp4Config.ServerIp,
> > - ServerIp,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > -
> > - switch (Operation) {
> > -
> > - case EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE:
> > -
> > - Status = PxeBcTftpGetFileSize (
> > - Private,
> > - &Mtftp4Config,
> > - Filename,
> > - BlockSize,
> > - BufferSize
> > - );
> > -
> > - break;
> > -
> > - case EFI_PXE_BASE_CODE_TFTP_READ_FILE:
> > -
> > - Status = PxeBcTftpReadFile (
> > - Private,
> > - &Mtftp4Config,
> > - Filename,
> > - BlockSize,
> > - BufferPtr,
> > - BufferSize,
> > - DontUseBuffer
> > - );
> > -
> > - break;
> > -
> > - case EFI_PXE_BASE_CODE_TFTP_WRITE_FILE:
> > -
> > - Status = PxeBcTftpWriteFile (
> > - Private,
> > - &Mtftp4Config,
> > - Filename,
> > - Overwrite,
> > - BlockSize,
> > - BufferPtr,
> > - BufferSize
> > - );
> > -
> > - break;
> > -
> > - case EFI_PXE_BASE_CODE_TFTP_READ_DIRECTORY:
> > -
> > - Status = PxeBcTftpReadDirectory (
> > - Private,
> > - &Mtftp4Config,
> > - Filename,
> > - BlockSize,
> > - BufferPtr,
> > - BufferSize,
> > - DontUseBuffer
> > - );
> > -
> > - break;
> > -
> > - case EFI_PXE_BASE_CODE_MTFTP_GET_FILE_SIZE:
> > - case EFI_PXE_BASE_CODE_MTFTP_READ_FILE:
> > - case EFI_PXE_BASE_CODE_MTFTP_READ_DIRECTORY:
> > - Status = EFI_UNSUPPORTED;
> > - break;
> > -
> > - default:
> > -
> > - Status = EFI_INVALID_PARAMETER;
> > - break;
> > - }
> > -
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - }
> > -
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > -ON_EXIT:
> > - Private->Udp4Read->Configure (Private->Udp4Read, &Private-
> > >Udp4CfgData);
> > - //
> > - // Dhcp(), Discover(), and Mtftp() set the IP filter, and return with
> the IP
> > - // receive filter list emptied and the filter set to
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.
> > - //
> > - ZeroMem(&IpFilter, sizeof (EFI_PXE_BASE_CODE_IP_FILTER));
> > - IpFilter.Filters = EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP;
> > - This->SetIpFilter (This, &IpFilter);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - Writes a UDP packet to the network interface.
> > -
> > - This function writes a UDP packet specified by the (optional
> HeaderPtr and)
> > - BufferPtr parameters to the network interface. The UDP header is
> > automatically
> > - built by this routine. It uses the parameters OpFlags, DestIp,
> DestPort,
> > GatewayIp,
> > - SrcIp, and SrcPort to build this header. If the packet is
> successfully built and
> > - transmitted through the network interface, then EFI_SUCCESS will be
> > returned.
> > - If a timeout occurs during the transmission of the packet, then
> > EFI_TIMEOUT will
> > - be returned. If an ICMP error occurs during the transmission of the
> packet,
> > then
> > - the IcmpErrorReceived field is set to TRUE, the IcmpError field is
> filled in
> > and
> > - EFI_ICMP_ERROR will be returned. If the Callback Protocol does not
> return
> > - EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE, then EFI_ABORTED
> > will be returned.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param OpFlags The UDP operation flags.
> > - @param DestIp The destination IP address.
> > - @param DestPort The destination UDP port number.
> > - @param GatewayIp The gateway IP address.
> > - @param SrcIp The source IP address.
> > - @param SrcPort The source UDP port number.
> > - @param HeaderSize An optional field which may be set to
> the length
> > of a header at
> > - HeaderPtr to be prefixed to the data at
> BufferPtr.
> > - @param HeaderPtr If HeaderSize is not NULL, a pointer to
> a header
> > to be prefixed to the
> > - data at BufferPtr.
> > - @param BufferSize A pointer to the size of the data at
> BufferPtr.
> > - @param BufferPtr A pointer to the data to be written.
> > -
> > - @retval EFI_SUCCESS The UDP Write operation was completed.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_BAD_BUFFER_SIZE The buffer is too long to be
> transmitted.
> > - @retval EFI_ABORTED The callback function aborted the UDP
> Write
> > operation.
> > - @retval EFI_TIMEOUT The UDP Write operation timed out.
> > - @retval EFI_ICMP_ERROR An ICMP error packet was received
> during
> > the UDP write session.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcUdpWrite (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN UINT16 OpFlags,
> > - IN EFI_IP_ADDRESS *DestIp,
> > - IN EFI_PXE_BASE_CODE_UDP_PORT *DestPort,
> > - IN EFI_IP_ADDRESS *GatewayIp OPTIONAL,
> > - IN EFI_IP_ADDRESS *SrcIp OPTIONAL,
> > - IN OUT EFI_PXE_BASE_CODE_UDP_PORT *SrcPort OPTIONAL,
> > - IN UINTN *HeaderSize OPTIONAL,
> > - IN VOID *HeaderPtr OPTIONAL,
> > - IN UINTN *BufferSize,
> > - IN VOID *BufferPtr
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_UDP4_PROTOCOL *Udp4;
> > - EFI_UDP4_COMPLETION_TOKEN Token;
> > - EFI_UDP4_TRANSMIT_DATA *Udp4TxData;
> > - UINT32 FragCount;
> > - UINT32 DataLength;
> > - EFI_UDP4_SESSION_DATA Udp4Session;
> > - EFI_STATUS Status;
> > - BOOLEAN IsDone;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_MAC_ADDRESS TempMacAddr;
> > -
> > - IsDone = FALSE;
> > -
> > - if ((This == NULL) || (DestIp == NULL) || (DestPort == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((GatewayIp != NULL) && (IP4_IS_UNSPECIFIED (NTOHL (GatewayIp-
> > >Addr[0])) || IP4_IS_LOCAL_BROADCAST (NTOHL (GatewayIp->Addr[0])))) {
> > - //
> > - // Gateway is provided but it's not a unicast IP address.
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((HeaderSize != NULL) && ((*HeaderSize == 0) || (HeaderPtr ==
> NULL))) {
> > - //
> > - // The HeaderSize ptr isn't NULL and: 1. the value is zero; or 2.
> the
> > HeaderPtr
> > - // is NULL.
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((BufferSize == NULL) || ((*BufferSize != 0) && (BufferPtr ==
> NULL))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Udp4 = Private->Udp4Write;
> > - Mode = &Private->Mode;
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (!Private->AddressIsOk && (SrcIp == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (!Mode->AutoArp) {
> > - //
> > - // If AutoArp is set false, check arp cache
> > - //
> > - UpdateArpCache (This);
> > - if (!FindInArpCache (Mode, &DestIp->v4, &TempMacAddr)) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > - }
> > -
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - if ((Private->CurrentUdpSrcPort == 0) ||
> > - ((SrcPort != NULL) && (*SrcPort != Private->CurrentUdpSrcPort)))
> {
> > - //
> > - // Port is changed, (re)configure the Udp4Write instance
> > - //
> > - if (SrcPort != NULL) {
> > - Private->CurrentUdpSrcPort = *SrcPort;
> > - }
> > - }
> > -
> > - Status = PxeBcConfigureUdpWriteInstance (
> > - Udp4,
> > - &Private->StationIp.v4,
> > - &Private->SubnetMask.v4,
> > - &Private->GatewayIp.v4,
> > - &Private->CurrentUdpSrcPort,
> > - Private->Mode.TTL,
> > - Private->Mode.ToS
> > - );
> > - if (EFI_ERROR (Status)) {
> > - Private->CurrentUdpSrcPort = 0;
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - ZeroMem (&Token, sizeof (EFI_UDP4_COMPLETION_TOKEN));
> > - ZeroMem (&Udp4Session, sizeof (EFI_UDP4_SESSION_DATA));
> > -
> > - CopyMem (&Udp4Session.DestinationAddress, DestIp, sizeof
> > (EFI_IPv4_ADDRESS));
> > - Udp4Session.DestinationPort = *DestPort;
> > - if (SrcIp != NULL) {
> > - CopyMem (&Udp4Session.SourceAddress, SrcIp, sizeof
> > (EFI_IPv4_ADDRESS));
> > - }
> > - if (SrcPort != NULL) {
> > - Udp4Session.SourcePort = *SrcPort;
> > - }
> > -
> > - FragCount = (HeaderSize != NULL) ? 2 : 1;
> > - Udp4TxData = (EFI_UDP4_TRANSMIT_DATA *) AllocateZeroPool (sizeof
> > (EFI_UDP4_TRANSMIT_DATA) + (FragCount - 1) * sizeof
> > (EFI_UDP4_FRAGMENT_DATA));
> > - if (Udp4TxData == NULL) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > - Udp4TxData->FragmentCount = FragCount;
> > - Udp4TxData->FragmentTable[FragCount - 1].FragmentLength = (UINT32)
> > *BufferSize;
> > - Udp4TxData->FragmentTable[FragCount - 1].FragmentBuffer = BufferPtr;
> > - DataLength = (UINT32) *BufferSize;
> > -
> > - if (FragCount == 2) {
> > -
> > - Udp4TxData->FragmentTable[0].FragmentLength = (UINT32) *HeaderSize;
> > - Udp4TxData->FragmentTable[0].FragmentBuffer = HeaderPtr;
> > - DataLength += (UINT32) *HeaderSize;
> > - }
> > -
> > - if (GatewayIp != NULL) {
> > - Udp4TxData->GatewayAddress = (EFI_IPv4_ADDRESS *) GatewayIp;
> > - }
> > - Udp4TxData->UdpSessionData = &Udp4Session;
> > - Udp4TxData->DataLength = DataLength;
> > - Token.Packet.TxData = Udp4TxData;
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - PxeBcCommonNotify,
> > - &IsDone,
> > - &Token.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - goto ON_EXIT;
> > - }
> > -
> > - Status = Udp4->Transmit (Udp4, &Token);
> > - if (EFI_ERROR (Status)) {
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - }
> > - goto ON_EXIT;
> > - }
> > -
> > - while (!IsDone) {
> > -
> > - Udp4->Poll (Udp4);
> > - }
> > -
> > - Status = Token.Status;
> > -
> > -ON_EXIT:
> > -
> > - if (Token.Event != NULL) {
> > - gBS->CloseEvent (Token.Event);
> > - }
> > -
> > - FreePool (Udp4TxData);
> > -
> > - //
> > - // Reset the instance.
> > - //
> > - Udp4->Configure (Udp4, NULL);
> > - return Status;
> > -}
> > -
> > -/**
> > - Decide whether the incoming UDP packet is acceptable per IP filter
> settings
> > - in provided PxeBcMode.
> > -
> > - @param PxeBcMode Pointer to EFI_PXE_BASE_CODE_MODE.
> > - @param Session Received UDP session.
> > -
> > - @retval TRUE The UDP package matches IP filters.
> > - @retval FALSE The UDP package doesn't matches IP filters.
> > -
> > -**/
> > -BOOLEAN
> > -CheckIpByFilter (
> > - IN EFI_PXE_BASE_CODE_MODE *PxeBcMode,
> > - IN EFI_UDP4_SESSION_DATA *Session
> > - )
> > -{
> > - UINTN Index;
> > - EFI_IPv4_ADDRESS Ip4Address;
> > - EFI_IPv4_ADDRESS DestIp4Address;
> > -
> > - if ((PxeBcMode->IpFilter.Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) != 0) {
> > - return TRUE;
> > - }
> > -
> > - CopyMem (&DestIp4Address, &Session->DestinationAddress, sizeof
> > (DestIp4Address));
> > - if (((PxeBcMode->IpFilter.Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST) != 0) &&
> > - IP4_IS_MULTICAST (EFI_NTOHL (DestIp4Address))
> > - ) {
> > - return TRUE;
> > - }
> > -
> > - if (((PxeBcMode->IpFilter.Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST) != 0) &&
> > - IP4_IS_LOCAL_BROADCAST (EFI_NTOHL (DestIp4Address))
> > - ) {
> > - return TRUE;
> > - }
> > -
> > - CopyMem (&Ip4Address, &PxeBcMode->StationIp.v4, sizeof (Ip4Address));
> > - if (((PxeBcMode->IpFilter.Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) != 0) &&
> > - EFI_IP4_EQUAL (&Ip4Address, &DestIp4Address)
> > - ) {
> > - return TRUE;
> > - }
> > -
> > - ASSERT (PxeBcMode->IpFilter.IpCnt < EFI_PXE_BASE_CODE_MAX_IPCNT);
> > -
> > - for (Index = 0; Index < PxeBcMode->IpFilter.IpCnt; Index++) {
> > - CopyMem (
> > - &Ip4Address,
> > - &PxeBcMode->IpFilter.IpList[Index].v4,
> > - sizeof (Ip4Address)
> > - );
> > - if (EFI_IP4_EQUAL (&Ip4Address, &DestIp4Address)) {
> > - return TRUE;
> > - }
> > - }
> > -
> > - return FALSE;
> > -}
> > -
> > -/**
> > - Reads a UDP packet from the network interface.
> > -
> > - This function reads a UDP packet from a network interface. The data
> > contents
> > - are returned in (the optional HeaderPtr and) BufferPtr, and the size
> of the
> > - buffer received is returned in BufferSize . If the input BufferSize
> is smaller
> > - than the UDP packet received (less optional HeaderSize), it will be
> set to
> > the
> > - required size, and EFI_BUFFER_TOO_SMALL will be returned. In this
> case,
> > the
> > - contents of BufferPtr are undefined, and the packet is lost. If a UDP
> packet
> > is
> > - successfully received, then EFI_SUCCESS will be returned, and the
> > information
> > - from the UDP header will be returned in DestIp, DestPort, SrcIp, and
> > SrcPort if
> > - they are not NULL. Depending on the values of OpFlags and the DestIp,
> > DestPort,
> > - SrcIp, and SrcPort input values, different types of UDP packet
> receive
> > filtering
> > - will be performed. The following tables summarize these receive
> filter
> > operations.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param OpFlags The UDP operation flags.
> > - @param DestIp The destination IP address.
> > - @param DestPort The destination UDP port number.
> > - @param SrcIp The source IP address.
> > - @param SrcPort The source UDP port number.
> > - @param HeaderSize An optional field which may be set to
> the length
> > of a header at
> > - HeaderPtr to be prefixed to the data at
> BufferPtr.
> > - @param HeaderPtr If HeaderSize is not NULL, a pointer to
> a header
> > to be prefixed to the
> > - data at BufferPtr.
> > - @param BufferSize A pointer to the size of the data at
> BufferPtr.
> > - @param BufferPtr A pointer to the data to be read.
> > -
> > - @retval EFI_SUCCESS The UDP Read operation was completed.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval EFI_BUFFER_TOO_SMALL The packet is larger than Buffer can
> hold.
> > - @retval EFI_ABORTED The callback function aborted the UDP
> Read
> > operation.
> > - @retval EFI_TIMEOUT The UDP Read operation timed out.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcUdpRead (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN UINT16 OpFlags,
> > - IN OUT EFI_IP_ADDRESS *DestIp OPTIONAL,
> > - IN OUT EFI_PXE_BASE_CODE_UDP_PORT *DestPort OPTIONAL,
> > - IN OUT EFI_IP_ADDRESS *SrcIp OPTIONAL,
> > - IN OUT EFI_PXE_BASE_CODE_UDP_PORT *SrcPort OPTIONAL,
> > - IN UINTN *HeaderSize OPTIONAL,
> > - IN VOID *HeaderPtr OPTIONAL,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *BufferPtr
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_UDP4_PROTOCOL *Udp4;
> > - EFI_UDP4_COMPLETION_TOKEN Token;
> > - EFI_UDP4_RECEIVE_DATA *RxData;
> > - EFI_UDP4_SESSION_DATA *Session;
> > - EFI_STATUS Status;
> > - BOOLEAN IsDone;
> > - BOOLEAN Matched;
> > - UINTN CopiedLen;
> > - UINTN HeaderLen;
> > - UINTN HeaderCopiedLen;
> > - UINTN BufferCopiedLen;
> > - UINT32 FragmentLength;
> > - UINTN FragmentIndex;
> > - UINT8 *FragmentBuffer;
> > -
> > - if (This == NULL || DestIp == NULL || DestPort == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT) ==
> > 0 && (DestPort == NULL)) ||
> > - ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT) ==
> > 0 && (SrcIp == NULL)) ||
> > - ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT) == 0
> > && (SrcPort == NULL))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (((HeaderSize != NULL) && (*HeaderSize == 0)) || ((HeaderSize !=
> NULL)
> > && (HeaderPtr == NULL))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if ((BufferSize == NULL) || (BufferPtr == NULL)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > - Udp4 = Private->Udp4Read;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - Status = gBS->CreateEvent (
> > - EVT_NOTIFY_SIGNAL,
> > - TPL_NOTIFY,
> > - PxeBcCommonNotify,
> > - &IsDone,
> > - &Token.Event
> > - );
> > - if (EFI_ERROR (Status)) {
> > - return EFI_OUT_OF_RESOURCES;
> > - }
> > -
> > -TRY_AGAIN:
> > -
> > - IsDone = FALSE;
> > - Status = Udp4->Receive (Udp4, &Token);
> > - if (EFI_ERROR (Status)) {
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - }
> > - goto ON_EXIT;
> > - }
> > -
> > - Udp4->Poll (Udp4);
> > -
> > - if (!IsDone) {
> > - Status = EFI_TIMEOUT;
> > - } else {
> > -
> > - //
> > - // check whether this packet matches the filters
> > - //
> > - if (EFI_ERROR (Token.Status)){
> > - goto ON_EXIT;
> > - }
> > -
> > - RxData = Token.Packet.RxData;
> > - Session = &RxData->UdpSession;
> > -
> > - Matched = TRUE;
> > -
> > - if ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_USE_FILTER) != 0) {
> > - Matched = FALSE;
> > - //
> > - // Check UDP package by IP filter settings
> > - //
> > - if (CheckIpByFilter (Mode, Session)) {
> > - Matched = TRUE;
> > - }
> > - }
> > -
> > - if (Matched) {
> > - Matched = FALSE;
> > -
> > - //
> > - // Match the destination ip of the received udp dgram
> > - //
> > - if ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_IP) != 0)
> > {
> > - Matched = TRUE;
> > -
> > - if (DestIp != NULL) {
> > - CopyMem (DestIp, &Session->DestinationAddress, sizeof
> > (EFI_IPv4_ADDRESS));
> > - }
> > - } else {
> > - if (DestIp != NULL) {
> > - if (EFI_IP4_EQUAL (DestIp, &Session->DestinationAddress)) {
> > - Matched = TRUE;
> > - }
> > - } else {
> > - if (EFI_IP4_EQUAL (&Private->StationIp, &Session-
> > >DestinationAddress)) {
> > - Matched = TRUE;
> > - }
> > - }
> > - }
> > - }
> > -
> > - if (Matched) {
> > - //
> > - // Match the destination port of the received udp dgram
> > - //
> > - if ((OpFlags &
> > EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_DEST_PORT) != 0) {
> > -
> > - if (DestPort != NULL) {
> > - *DestPort = Session->DestinationPort;
> > - }
> > - } else {
> > -
> > - if (*DestPort != Session->DestinationPort) {
> > - Matched = FALSE;
> > - }
> > - }
> > - }
> > -
> > - if (Matched) {
> > - //
> > - // Match the source ip of the received udp dgram
> > - //
> > - if ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_IP) != 0) {
> > -
> > - if (SrcIp != NULL) {
> > - CopyMem (SrcIp, &Session->SourceAddress, sizeof
> > (EFI_IPv4_ADDRESS));
> > - }
> > - } else {
> > -
> > - if (!EFI_IP4_EQUAL (SrcIp, &Session->SourceAddress)) {
> > - Matched = FALSE;
> > - }
> > - }
> > - }
> > -
> > - if (Matched) {
> > - //
> > - // Match the source port of the received udp dgram
> > - //
> > - if ((OpFlags & EFI_PXE_BASE_CODE_UDP_OPFLAGS_ANY_SRC_PORT) !=
> > 0) {
> > -
> > - if (SrcPort != NULL) {
> > - *SrcPort = Session->SourcePort;
> > - }
> > - } else {
> > -
> > - if (*SrcPort != Session->SourcePort) {
> > - Matched = FALSE;
> > - }
> > - }
> > - }
> > -
> > - if (Matched) {
> > - ASSERT (RxData != NULL);
> > -
> > - HeaderLen = 0;
> > - if (HeaderSize != NULL) {
> > - HeaderLen = MIN (*HeaderSize, RxData->DataLength);
> > - }
> > -
> > - if (RxData->DataLength - HeaderLen > *BufferSize) {
> > - Status = EFI_BUFFER_TOO_SMALL;
> > - } else {
> > - *HeaderSize = HeaderLen;
> > - *BufferSize = RxData->DataLength - HeaderLen;
> > -
> > - HeaderCopiedLen = 0;
> > - BufferCopiedLen = 0;
> > - for (FragmentIndex = 0; FragmentIndex < RxData->FragmentCount;
> > FragmentIndex++) {
> > - FragmentLength = RxData-
> > >FragmentTable[FragmentIndex].FragmentLength;
> > - FragmentBuffer = RxData-
> > >FragmentTable[FragmentIndex].FragmentBuffer;
> > - if (HeaderCopiedLen + FragmentLength < HeaderLen) {
> > - //
> > - // Copy the header part of received data.
> > - //
> > - CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen,
> FragmentBuffer,
> > FragmentLength);
> > - HeaderCopiedLen += FragmentLength;
> > - } else if (HeaderCopiedLen < HeaderLen) {
> > - //
> > - // Copy the header part of received data.
> > - //
> > - CopiedLen = HeaderLen - HeaderCopiedLen;
> > - CopyMem ((UINT8 *) HeaderPtr + HeaderCopiedLen,
> FragmentBuffer,
> > CopiedLen);
> > - HeaderCopiedLen += CopiedLen;
> > -
> > - //
> > - // Copy the other part of received data.
> > - //
> > - CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen,
> FragmentBuffer +
> > CopiedLen, FragmentLength - CopiedLen);
> > - BufferCopiedLen += (FragmentLength - CopiedLen);
> > - } else {
> > - //
> > - // Copy the other part of received data.
> > - //
> > - CopyMem ((UINT8 *) BufferPtr + BufferCopiedLen,
> FragmentBuffer,
> > FragmentLength);
> > - BufferCopiedLen += FragmentLength;
> > - }
> > - }
> > - }
> > - } else {
> > -
> > - Status = EFI_TIMEOUT;
> > - }
> > -
> > - //
> > - // Recycle the RxData
> > - //
> > - gBS->SignalEvent (RxData->RecycleSignal);
> > -
> > - if (!Matched) {
> > - goto TRY_AGAIN;
> > - }
> > - }
> > -
> > -ON_EXIT:
> > -
> > - Udp4->Cancel (Udp4, &Token);
> > -
> > - gBS->CloseEvent (Token.Event);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Updates the IP receive filters of a network device and enables
> software
> > filtering.
> > -
> > - The NewFilter field is used to modify the network device's current IP
> > receive
> > - filter settings and to enable a software filter. This function
> updates the
> > IpFilter
> > - field of the EFI_PXE_BASE_CODE_MODE structure with the contents of
> > NewIpFilter.
> > - The software filter is used when the USE_FILTER in OpFlags is set to
> > UdpRead().
> > - The current hardware filter remains in effect no matter what the
> settings
> > of OpFlags
> > - are, so that the meaning of ANY_DEST_IP set in OpFlags to UdpRead()
> is
> > from those
> > - packets whose reception is enabled in hardware-physical NIC address
> > (unicast),
> > - broadcast address, logical address or addresses (multicast), or all
> > (promiscuous).
> > - UdpRead() does not modify the IP filter settings.
> > - Dhcp(), Discover(), and Mtftp() set the IP filter, and return with
> the IP
> > receive
> > - filter list emptied and the filter set to
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP.
> > - If an application or driver wishes to preserve the IP receive filter
> settings,
> > - it will have to preserve the IP receive filter settings before these
> calls, and
> > - use SetIpFilter() to restore them after the calls. If incompatible
> filtering is
> > - requested (for example, PROMISCUOUS with anything else) or if the
> > device does not
> > - support a requested filter setting and it cannot be accommodated in
> > software
> > - (for example, PROMISCUOUS not supported), EFI_INVALID_PARAMETER
> > will be returned.
> > - The IPlist field is used to enable IPs other than the StationIP. They
> may be
> > - multicast or unicast. If IPcnt is set as well as
> > EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP,
> > - then both the StationIP and the IPs from the IPlist will be used.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param NewFilter Pointer to the new set of IP receive
> filters.
> > -
> > - @retval EFI_SUCCESS The IP receive filter settings were
> updated.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcSetIpFilter (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN EFI_PXE_BASE_CODE_IP_FILTER *NewFilter
> > - )
> > -{
> > - EFI_STATUS Status;
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - UINTN Index;
> > - EFI_UDP4_CONFIG_DATA *Udp4Cfg;
> > - BOOLEAN PromiscuousNeed;
> > - BOOLEAN AcceptPromiscuous;
> > - BOOLEAN AcceptBroadcast;
> > - BOOLEAN MultiCastUpdate;
> > -
> > - if (This == NULL) {
> > - DEBUG ((EFI_D_ERROR, "This == NULL.\n"));
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (NewFilter == NULL) {
> > - DEBUG ((EFI_D_ERROR, "NewFilter == NULL.\n"));
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (NewFilter->IpCnt > EFI_PXE_BASE_CODE_MAX_IPCNT) {
> > - DEBUG ((EFI_D_ERROR, "NewFilter->IpCnt > %d.\n",
> > EFI_PXE_BASE_CODE_MAX_IPCNT));
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (!Mode->Started) {
> > - DEBUG ((EFI_D_ERROR, "BC was not started.\n"));
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (Mode->UsingIpv6) {
> > - DEBUG ((EFI_D_ERROR, "This driver is PXE for IPv4 Only.\n"));
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - PromiscuousNeed = FALSE;
> > -
> > - for (Index = 0; Index < NewFilter->IpCnt; ++Index) {
> > - if (IP4_IS_LOCAL_BROADCAST (EFI_IP4 (NewFilter->IpList[Index].v4)))
> {
> > - //
> > - // The IP is a broadcast address.
> > - //
> > - DEBUG ((EFI_D_ERROR, "There is broadcast address in
> NewFilter.\n"));
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - if ((EFI_NTOHL(Mode->StationIp) != 0) &&
> > - (EFI_NTOHL(Mode->SubnetMask) != 0) &&
> > - IP4_NET_EQUAL(EFI_NTOHL(Mode->StationIp), EFI_NTOHL(NewFilter-
> > >IpList[Index].v4), EFI_NTOHL(Mode->SubnetMask)) &&
> > - NetIp4IsUnicast (EFI_IP4 (NewFilter->IpList[Index].v4),
> > EFI_NTOHL(Mode->SubnetMask)) &&
> > - ((NewFilter->Filters &
> EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) !=
> > 0)) {
> > - //
> > - // If EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP is set and IP4
> address
> > is in IpList,
> > - // promiscuous mode is needed.
> > - //
> > - PromiscuousNeed = TRUE;
> > - }
> > - }
> > -
> > - AcceptPromiscuous = FALSE;
> > - AcceptBroadcast = FALSE;
> > - MultiCastUpdate = FALSE;
> > -
> > - if (PromiscuousNeed ||
> > - ((NewFilter->Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS) != 0) ||
> > - ((NewFilter->Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_PROMISCUOUS_MULTICAST) != 0)
> > - ) {
> > - //
> > - // Configure the udp4 filter to receive all packages.
> > - //
> > - AcceptPromiscuous = TRUE;
> > - } else if ((NewFilter->Filters &
> > EFI_PXE_BASE_CODE_IP_FILTER_BROADCAST) != 0) {
> > - //
> > - // Configure the udp4 filter to receive all broadcast packages.
> > - //
> > - AcceptBroadcast = TRUE;
> > - }
> > -
> > - //
> > - // In multicast condition when Promiscuous FALSE and IpCnt no-zero.
> > - // Here check if there is any update of the multicast ip address. If
> yes,
> > - // we need leave the old multicast group (by Config UDP instance to
> NULL),
> > - // and join the new multicast group.
> > - //
> > - if (!AcceptPromiscuous) {
> > - if ((NewFilter->Filters &
> EFI_PXE_BASE_CODE_IP_FILTER_STATION_IP) !=
> > 0) {
> > - if (Mode->IpFilter.IpCnt != NewFilter->IpCnt) {
> > - MultiCastUpdate = TRUE;
> > - } else if (CompareMem (Mode->IpFilter.IpList, NewFilter->IpList,
> > NewFilter->IpCnt * sizeof (EFI_IP_ADDRESS)) != 0 ) {
> > - MultiCastUpdate = TRUE;
> > - }
> > - }
> > - }
> > -
> > - //
> > - // Check whether we need reconfigure the UDP instance.
> > - //
> > - Udp4Cfg = &Private->Udp4CfgData;
> > - if ((AcceptPromiscuous != Udp4Cfg->AcceptPromiscuous) ||
> > - (AcceptBroadcast != Udp4Cfg->AcceptBroadcast) ||
> MultiCastUpdate)
> > {
> > - //
> > - // Clear the UDP instance configuration, all joined groups will be
> left
> > - // during the operation.
> > - //
> > - Private->Udp4Read->Configure (Private->Udp4Read, NULL);
> > -
> > - //
> > - // Configure the UDP instance with the new configuration.
> > - //
> > - Udp4Cfg->AcceptPromiscuous = AcceptPromiscuous;
> > - Udp4Cfg->AcceptBroadcast = AcceptBroadcast;
> > - Status = Private->Udp4Read->Configure (Private->Udp4Read, Udp4Cfg);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // In not Promiscuous mode, need to join the new multicast group.
> > - //
> > - if (!AcceptPromiscuous) {
> > - for (Index = 0; Index < NewFilter->IpCnt; ++Index) {
> > - if (IP4_IS_MULTICAST (EFI_NTOHL (NewFilter->IpList[Index].v4)))
> {
> > - //
> > - // Join the mutilcast group.
> > - //
> > - Status = Private->Udp4Read->Groups (Private->Udp4Read, TRUE,
> > &NewFilter->IpList[Index].v4);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > - }
> > - }
> > - }
> > -
> > -
> > - //
> > - // Save the new filter.
> > - //
> > - CopyMem (&Mode->IpFilter, NewFilter, sizeof (Mode->IpFilter));
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -
> > -/**
> > - Uses the ARP protocol to resolve a MAC address.
> > -
> > - This function uses the ARP protocol to resolve a MAC address. The
> > UsingIpv6 field
> > - of the EFI_PXE_BASE_CODE_MODE structure is used to determine if IPv4
> > or IPv6
> > - addresses are being used. The IP address specified by IpAddr is used
> to
> > resolve
> > - a MAC address. If the ARP protocol succeeds in resolving the
> specified
> > address,
> > - then the ArpCacheEntries and ArpCache fields of the
> > EFI_PXE_BASE_CODE_MODE structure
> > - are updated, and EFI_SUCCESS is returned. If MacAddr is not NULL, the
> > resolved
> > - MAC address is placed there as well. If the PXE Base Code protocol
> is in the
> > - stopped state, then EFI_NOT_STARTED is returned. If the ARP protocol
> > encounters
> > - a timeout condition while attempting to resolve an address, then
> > EFI_TIMEOUT is
> > - returned. If the Callback Protocol does not return
> > EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE,
> > - then EFI_ABORTED is returned.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param IpAddr Pointer to the IP address that is used
> to resolve a
> > MAC address.
> > - @param MacAddr If not NULL, a pointer to the MAC
> address that
> > was resolved with the
> > - ARP protocol.
> > -
> > - @retval EFI_SUCCESS The IP or MAC address was resolved.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval EFI_ICMP_ERROR Something error occur with the ICMP
> packet
> > message.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcArp (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL * This,
> > - IN EFI_IP_ADDRESS * IpAddr,
> > - IN EFI_MAC_ADDRESS * MacAddr OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_STATUS Status;
> > - EFI_MAC_ADDRESS TempMacAddr;
> > -
> > - if (This == NULL || IpAddr == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (!Private->AddressIsOk || Mode->UsingIpv6) {
> > - //
> > - // We can't resolve the IP address if we don't have a local address
> now.
> > - // Don't have ARP for IPv6.
> > - //
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Mode->IcmpErrorReceived = FALSE;
> > -
> > - if (!Mode->AutoArp) {
> > - //
> > - // If AutoArp is set false, check arp cache
> > - //
> > - UpdateArpCache (This);
> > - if (!FindInArpCache (Mode, &IpAddr->v4, &TempMacAddr)) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > - } else {
> > - Status = Private->Arp->Request (Private->Arp, &IpAddr->v4, NULL,
> > &TempMacAddr);
> > - if (EFI_ERROR (Status)) {
> > - if (Status == EFI_ICMP_ERROR) {
> > - Mode->IcmpErrorReceived = TRUE;
> > - }
> > - return Status;
> > - }
> > - }
> > -
> > - if (MacAddr != NULL) {
> > - CopyMem (MacAddr, &TempMacAddr, sizeof (EFI_MAC_ADDRESS));
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Updates the parameters that affect the operation of the PXE Base Code
> > Protocol.
> > -
> > - This function sets parameters that affect the operation of the PXE
> Base
> > Code Protocol.
> > - The parameter specified by NewAutoArp is used to control the
> generation
> > of ARP
> > - protocol packets. If NewAutoArp is TRUE, then ARP Protocol packets
> will be
> > generated
> > - as required by the PXE Base Code Protocol. If NewAutoArp is FALSE,
> then
> > no ARP
> > - Protocol packets will be generated. In this case, the only mappings
> that are
> > - available are those stored in the ArpCache of the
> > EFI_PXE_BASE_CODE_MODE structure.
> > - If there are not enough mappings in the ArpCache to perform a PXE
> Base
> > Code Protocol
> > - service, then the service will fail. This function updates the
> AutoArp field of
> > - the EFI_PXE_BASE_CODE_MODE structure to NewAutoArp.
> > - The SetParameters() call must be invoked after a Callback Protocol is
> > installed
> > - to enable the use of callbacks.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param NewAutoArp If not NULL, a pointer to a value that
> specifies
> > whether to replace the
> > - current value of AutoARP.
> > - @param NewSendGUID If not NULL, a pointer to a value that
> > specifies whether to replace the
> > - current value of SendGUID.
> > - @param NewTTL If not NULL, a pointer to be used in
> place of the
> > current value of TTL,
> > - the "time to live" field of the IP
> header.
> > - @param NewToS If not NULL, a pointer to be used in
> place of the
> > current value of ToS,
> > - the "type of service" field of the IP
> header.
> > - @param NewMakeCallback If not NULL, a pointer to a value that
> > specifies whether to replace the
> > - current value of the MakeCallback field
> of the Mode
> > structure.
> > -
> > - @retval EFI_SUCCESS The new parameters values were updated.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcSetParameters (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL *This,
> > - IN BOOLEAN *NewAutoArp OPTIONAL,
> > - IN BOOLEAN *NewSendGUID OPTIONAL,
> > - IN UINT8 *NewTTL OPTIONAL,
> > - IN UINT8 *NewToS OPTIONAL,
> > - IN BOOLEAN *NewMakeCallback // OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_SUCCESS;
> > -
> > - if (This == NULL) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (NewSendGUID != NULL && *NewSendGUID) {
> > - //
> > - // FixMe, cann't locate SendGuid
> > - //
> > - }
> > -
> > - if (NewMakeCallback != NULL && *NewMakeCallback) {
> > -
> > - Status = gBS->HandleProtocol (
> > - Private->Controller,
> > - &gEfiPxeBaseCodeCallbackProtocolGuid,
> > - (VOID **) &Private->PxeBcCallback
> > - );
> > - if (EFI_ERROR (Status) || (Private->PxeBcCallback->Callback ==
> NULL)) {
> > -
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - }
> > -
> > - if (!Mode->Started) {
> > - Status = EFI_NOT_STARTED;
> > - goto ON_EXIT;
> > - }
> > -
> > - if (NewMakeCallback != NULL) {
> > -
> > - if (*NewMakeCallback) {
> > - //
> > - // Update the Callback protocol.
> > - //
> > - Status = gBS->HandleProtocol (
> > - Private->Controller,
> > - &gEfiPxeBaseCodeCallbackProtocolGuid,
> > - (VOID **) &Private->PxeBcCallback
> > - );
> > -
> > - if (EFI_ERROR (Status) || (Private->PxeBcCallback->Callback ==
> NULL)) {
> > - Status = EFI_INVALID_PARAMETER;
> > - goto ON_EXIT;
> > - }
> > - } else {
> > - Private->PxeBcCallback = NULL;
> > - }
> > -
> > - Mode->MakeCallbacks = *NewMakeCallback;
> > - }
> > -
> > - if (NewAutoArp != NULL) {
> > - Mode->AutoArp = *NewAutoArp;
> > - }
> > -
> > - if (NewSendGUID != NULL) {
> > - Mode->SendGUID = *NewSendGUID;
> > - }
> > -
> > - if (NewTTL != NULL) {
> > - Mode->TTL = *NewTTL;
> > - }
> > -
> > - if (NewToS != NULL) {
> > - Mode->ToS = *NewToS;
> > - }
> > -
> > -ON_EXIT:
> > - return Status;
> > -}
> > -
> > -/**
> > - Updates the station IP address and/or subnet mask values of a network
> > device.
> > -
> > - This function updates the station IP address and/or subnet mask
> values of
> > a network
> > - device. The NewStationIp field is used to modify the network device's
> > current IP address.
> > - If NewStationIP is NULL, then the current IP address will not be
> modified.
> > Otherwise,
> > - this function updates the StationIp field of the
> > EFI_PXE_BASE_CODE_MODE structure
> > - with NewStationIp. The NewSubnetMask field is used to modify the
> > network device's current subnet
> > - mask. If NewSubnetMask is NULL, then the current subnet mask will not
> be
> > modified.
> > - Otherwise, this function updates the SubnetMask field of the
> > EFI_PXE_BASE_CODE_MODE
> > - structure with NewSubnetMask.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param NewStationIp Pointer to the new IP address to be
> used by
> > the network device.
> > - @param NewSubnetMask Pointer to the new subnet mask to be
> used
> > by the network device.
> > -
> > - @retval EFI_SUCCESS The new station IP address and/or
> subnet mask
> > were updated.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcSetStationIP (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL * This,
> > - IN EFI_IP_ADDRESS * NewStationIp OPTIONAL,
> > - IN EFI_IP_ADDRESS * NewSubnetMask OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_ARP_CONFIG_DATA ArpConfigData;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (NewSubnetMask != NULL && !IP4_IS_VALID_NETMASK (NTOHL
> > (NewSubnetMask->Addr[0]))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - if (NewStationIp != NULL) {
> > - if (IP4_IS_UNSPECIFIED(NTOHL (NewStationIp->Addr[0])) ||
> > - IP4_IS_LOCAL_BROADCAST(NTOHL (NewStationIp->Addr[0])) ||
> > - (NewSubnetMask != NULL && NewSubnetMask->Addr[0] != 0
> > && !NetIp4IsUnicast (NTOHL (NewStationIp->Addr[0]), NTOHL
> > (NewSubnetMask->Addr[0])))) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (NewStationIp != NULL) {
> > - CopyMem (&Mode->StationIp, NewStationIp, sizeof (EFI_IP_ADDRESS));
> > - CopyMem (&Private->StationIp, NewStationIp, sizeof
> (EFI_IP_ADDRESS));
> > - }
> > -
> > - if (NewSubnetMask != NULL) {
> > - CopyMem (&Mode->SubnetMask, NewSubnetMask, sizeof
> > (EFI_IP_ADDRESS));
> > - CopyMem (&Private->SubnetMask ,NewSubnetMask, sizeof
> > (EFI_IP_ADDRESS));
> > - }
> > -
> > - Private->AddressIsOk = TRUE;
> > -
> > - if (!Mode->UsingIpv6) {
> > - //
> > - // If in IPv4 mode, configure the corresponding ARP with this new
> > - // station IP address.
> > - //
> > - ZeroMem (&ArpConfigData, sizeof (EFI_ARP_CONFIG_DATA));
> > -
> > - ArpConfigData.SwAddressType = 0x0800;
> > - ArpConfigData.SwAddressLength = (UINT8) sizeof (EFI_IPv4_ADDRESS);
> > - ArpConfigData.StationAddress = &Private->StationIp.v4;
> > -
> > - Private->Arp->Configure (Private->Arp, NULL);
> > - Private->Arp->Configure (Private->Arp, &ArpConfigData);
> > -
> > - //
> > - // Update the route table.
> > - //
> > - Mode->RouteTableEntries = 1;
> > - Mode->RouteTable[0].IpAddr.Addr[0] = Private->StationIp.Addr[0]
> &
> > Private->SubnetMask.Addr[0];
> > - Mode->RouteTable[0].SubnetMask.Addr[0] = Private-
> > >SubnetMask.Addr[0];
> > - Mode->RouteTable[0].GwAddr.Addr[0] = 0;
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -/**
> > - Updates the contents of the cached DHCP and Discover packets.
> > -
> > - The pointers to the new packets are used to update the contents of
> the
> > cached
> > - packets in the EFI_PXE_BASE_CODE_MODE structure.
> > -
> > - @param This Pointer to the
> EFI_PXE_BASE_CODE_PROTOCOL
> > instance.
> > - @param NewDhcpDiscoverValid Pointer to a value that will replace
> the
> > current
> > - DhcpDiscoverValid field.
> > - @param NewDhcpAckReceived Pointer to a value that will replace
> the
> > current
> > - DhcpAckReceived field.
> > - @param NewProxyOfferReceived Pointer to a value that will replace
> the
> > current
> > - ProxyOfferReceived field.
> > - @param NewPxeDiscoverValid Pointer to a value that will replace
> the
> > current
> > - ProxyOfferReceived field.
> > - @param NewPxeReplyReceived Pointer to a value that will replace
> the
> > current
> > - PxeReplyReceived field.
> > - @param NewPxeBisReplyReceived Pointer to a value that will replace
> the
> > current
> > - PxeBisReplyReceived field.
> > - @param NewDhcpDiscover Pointer to the new cached DHCP
> Discover
> > packet contents.
> > - @param NewDhcpAck Pointer to the new cached DHCP Ack
> packet
> > contents.
> > - @param NewProxyOffer Pointer to the new cached Proxy Offer
> > packet contents.
> > - @param NewPxeDiscover Pointer to the new cached PXE Discover
> > packet contents.
> > - @param NewPxeReply Pointer to the new cached PXE Reply
> packet
> > contents.
> > - @param NewPxeBisReply Pointer to the new cached PXE BIS
> Reply
> > packet contents.
> > -
> > - @retval EFI_SUCCESS The cached packet contents were
> updated.
> > - @retval EFI_NOT_STARTED The PXE Base Code Protocol is in the
> > stopped state.
> > - @retval EFI_INVALID_PARAMETER This is NULL or not point to a valid
> > EFI_PXE_BASE_CODE_PROTOCOL structure.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeBcSetPackets (
> > - IN EFI_PXE_BASE_CODE_PROTOCOL * This,
> > - IN BOOLEAN * NewDhcpDiscoverValid OPTIONAL,
> > - IN BOOLEAN * NewDhcpAckReceived OPTIONAL,
> > - IN BOOLEAN * NewProxyOfferReceived OPTIONAL,
> > - IN BOOLEAN * NewPxeDiscoverValid OPTIONAL,
> > - IN BOOLEAN * NewPxeReplyReceived OPTIONAL,
> > - IN BOOLEAN * NewPxeBisReplyReceived OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewDhcpDiscover OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewDhcpAck OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewProxyOffer OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewPxeDiscover OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewPxeReply OPTIONAL,
> > - IN EFI_PXE_BASE_CODE_PACKET * NewPxeBisReply OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > -
> > - if (This == NULL) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (This);
> > - Mode = Private->PxeBc.Mode;
> > -
> > - if (!Mode->Started) {
> > - return EFI_NOT_STARTED;
> > - }
> > -
> > - if (NewDhcpDiscoverValid != NULL) {
> > - Mode->DhcpDiscoverValid = *NewDhcpDiscoverValid;
> > - }
> > -
> > - if (NewDhcpAckReceived != NULL) {
> > - Mode->DhcpAckReceived = *NewDhcpAckReceived;
> > - }
> > -
> > - if (NewProxyOfferReceived != NULL) {
> > - Mode->ProxyOfferReceived = *NewProxyOfferReceived;
> > - }
> > -
> > - if (NewPxeDiscoverValid != NULL) {
> > - Mode->PxeDiscoverValid = *NewPxeDiscoverValid;
> > - }
> > -
> > - if (NewPxeReplyReceived != NULL) {
> > - Mode->PxeReplyReceived = *NewPxeReplyReceived;
> > - }
> > -
> > - if (NewPxeBisReplyReceived != NULL) {
> > - Mode->PxeBisReplyReceived = *NewPxeBisReplyReceived;
> > - }
> > -
> > - if (NewDhcpDiscover != NULL) {
> > - CopyMem (&Mode->DhcpDiscover, NewDhcpDiscover, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - if (NewDhcpAck != NULL) {
> > - CopyMem (&Mode->DhcpAck, NewDhcpAck, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - if (NewProxyOffer != NULL) {
> > - CopyMem (&Mode->ProxyOffer, NewProxyOffer, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - if (NewPxeDiscover != NULL) {
> > - CopyMem (&Mode->PxeDiscover, NewPxeDiscover, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - if (NewPxeReply != NULL) {
> > - CopyMem (&Mode->PxeReply, NewPxeReply, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - if (NewPxeBisReply != NULL) {
> > - CopyMem (&Mode->PxeBisReply, NewPxeBisReply, sizeof
> > (EFI_PXE_BASE_CODE_PACKET));
> > - }
> > -
> > - return EFI_SUCCESS;
> > -}
> > -
> > -EFI_PXE_BASE_CODE_PROTOCOL mPxeBcProtocolTemplate = {
> > - EFI_PXE_BASE_CODE_PROTOCOL_REVISION,
> > - EfiPxeBcStart,
> > - EfiPxeBcStop,
> > - EfiPxeBcDhcp,
> > - EfiPxeBcDiscover,
> > - EfiPxeBcMtftp,
> > - EfiPxeBcUdpWrite,
> > - EfiPxeBcUdpRead,
> > - EfiPxeBcSetIpFilter,
> > - EfiPxeBcArp,
> > - EfiPxeBcSetParameters,
> > - EfiPxeBcSetStationIP,
> > - EfiPxeBcSetPackets,
> > - NULL
> > -};
> > -
> > -/**
> > - Callback function that is invoked when the PXE Base Code Protocol is
> about
> > to transmit, has
> > - received, or is waiting to receive a packet.
> > -
> > - This function is invoked when the PXE Base Code Protocol is about to
> > transmit, has received,
> > - or is waiting to receive a packet. Parameters Function and Received
> specify
> > the type of event.
> > - Parameters PacketLen and Packet specify the packet that generated the
> > event. If these fields
> > - are zero and NULL respectively, then this is a status update callback.
> If the
> > operation specified
> > - by Function is to continue, then CALLBACK_STATUS_CONTINUE should be
> > returned. If the operation
> > - specified by Function should be aborted, then CALLBACK_STATUS_ABORT
> > should be returned. Due to
> > - the polling nature of UEFI device drivers, a callback function should
> not
> > execute for more than 5 ms.
> > - The SetParameters() function must be called after a Callback Protocol
> is
> > installed to enable the
> > - use of callbacks.
> > -
> > - @param This Pointer to the
> > EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL instance.
> > - @param Function The PXE Base Code Protocol function
> that is
> > waiting for an event.
> > - @param Received TRUE if the callback is being invoked
> due to a
> > receive event. FALSE if
> > - the callback is being invoked due to a
> transmit event.
> > - @param PacketLength The length, in bytes, of Packet. This
> field will
> > have a value of zero if
> > - this is a wait for receive event.
> > - @param PacketPtr If Received is TRUE, a pointer to the
> packet that
> > was just received;
> > - otherwise a pointer to the packet that
> is about to be
> > transmitted.
> > -
> > - @retval EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE if Function
> > specifies a continue operation
> > - @retval EFI_PXE_BASE_CODE_CALLBACK_STATUS_ABORT if Function
> > specifies an abort operation
> > -
> > -**/
> > -EFI_PXE_BASE_CODE_CALLBACK_STATUS
> > -EFIAPI
> > -EfiPxeLoadFileCallback (
> > - IN EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL * This,
> > - IN EFI_PXE_BASE_CODE_FUNCTION Function,
> > - IN BOOLEAN Received,
> > - IN UINT32 PacketLength,
> > - IN EFI_PXE_BASE_CODE_PACKET * PacketPtr OPTIONAL
> > - )
> > -{
> > - EFI_INPUT_KEY Key;
> > - EFI_STATUS Status;
> > -
> > - //
> > - // Catch Ctrl-C or ESC to abort.
> > - //
> > - Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
> > -
> > - if (!EFI_ERROR (Status)) {
> > -
> > - if (Key.ScanCode == SCAN_ESC || Key.UnicodeChar == (0x1F & 'c')) {
> > -
> > - return EFI_PXE_BASE_CODE_CALLBACK_STATUS_ABORT;
> > - }
> > - }
> > - //
> > - // No print if receive packet
> > - //
> > - if (Received) {
> > - return EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE;
> > - }
> > - //
> > - // Print only for three functions
> > - //
> > - switch (Function) {
> > -
> > - case EFI_PXE_BASE_CODE_FUNCTION_MTFTP:
> > - //
> > - // Print only for open MTFTP packets, not every MTFTP packets
> > - //
> > - if (PacketLength != 0 && PacketPtr != NULL) {
> > - if (PacketPtr->Raw[0x1C] != 0x00 || PacketPtr->Raw[0x1D] != 0x01)
> {
> > - return EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE;
> > - }
> > - }
> > - break;
> > -
> > - case EFI_PXE_BASE_CODE_FUNCTION_DHCP:
> > - case EFI_PXE_BASE_CODE_FUNCTION_DISCOVER:
> > - break;
> > -
> > - default:
> > - return EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE;
> > - }
> > -
> > - if (PacketLength != 0 && PacketPtr != NULL) {
> > - //
> > - // Print '.' when transmit a packet
> > - //
> > - AsciiPrint (".");
> > -
> > - }
> > -
> > - return EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE;
> > -}
> > -
> > -EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL mPxeBcCallBackTemplate = {
> > - EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL_REVISION,
> > - EfiPxeLoadFileCallback
> > -};
> > -
> > -
> > -/**
> > - Find the boot file.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param BufferSize Pointer to buffer size.
> > - @param Buffer Pointer to buffer.
> > -
> > - @retval EFI_SUCCESS Discover the boot file successfully.
> > - @retval EFI_TIMEOUT The TFTP/MTFTP operation timed out.
> > - @retval EFI_ABORTED PXE bootstrap server, so local boot need
> abort.
> > - @retval EFI_BUFFER_TOO_SMALL The buffer is too small to load the boot
> > file.
> > -
> > -**/
> > -EFI_STATUS
> > -DiscoverBootFile (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN OUT UINT64 *BufferSize,
> > - IN VOID *Buffer
> > - )
> > -{
> > - EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
> > - EFI_PXE_BASE_CODE_MODE *Mode;
> > - EFI_STATUS Status;
> > - UINT16 Type;
> > - UINT16 Layer;
> > - BOOLEAN UseBis;
> > - PXEBC_CACHED_DHCP4_PACKET *Packet;
> > - UINT16 Value;
> > -
> > - PxeBc = &Private->PxeBc;
> > - Mode = PxeBc->Mode;
> > - Type = EFI_PXE_BASE_CODE_BOOT_TYPE_BOOTSTRAP;
> > - Layer = EFI_PXE_BASE_CODE_BOOT_LAYER_INITIAL;
> > -
> > - //
> > - // do DHCP.
> > - //
> > - Status = PxeBc->Dhcp (PxeBc, TRUE);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > -
> > - //
> > - // Select a boot server
> > - //
> > - Status = PxeBcSelectBootPrompt (Private);
> > -
> > - if (Status == EFI_SUCCESS) {
> > - Status = PxeBcSelectBootMenu (Private, &Type, TRUE);
> > - } else if (Status == EFI_TIMEOUT) {
> > - Status = PxeBcSelectBootMenu (Private, &Type, FALSE);
> > - }
> > -
> > - if (!EFI_ERROR (Status)) {
> > -
> > - if (Type == EFI_PXE_BASE_CODE_BOOT_TYPE_BOOTSTRAP) {
> > - //
> > - // Local boot(PXE bootstrap server) need abort
> > - //
> > - return EFI_ABORTED;
> > - }
> > -
> > - UseBis = (BOOLEAN) (Mode->BisSupported && Mode->BisDetected);
> > - Status = PxeBc->Discover (PxeBc, Type, &Layer, UseBis, NULL);
> > - if (EFI_ERROR (Status)) {
> > - return Status;
> > - }
> > - }
> > -
> > - *BufferSize = 0;
> > -
> > - //
> > - // Get bootfile name and (m)tftp server ip addresss
> > - //
> > - if (Mode->PxeReplyReceived) {
> > - Packet = &Private->PxeReply;
> > - } else if (Mode->ProxyOfferReceived) {
> > - Packet = &Private->ProxyOffer;
> > - } else {
> > - Packet = &Private->Dhcp4Ack;
> > - }
> > -
> > - //
> > - // Use siaddr(next server) in DHCPOFFER packet header, if zero, use
> option
> > 54(server identifier)
> > - // in DHCPOFFER packet.
> > - // (It does not comply with PXE Spec, Ver2.1)
> > - //
> > - if (EFI_IP4_EQUAL (&Packet->Packet.Offer.Dhcp4.Header.ServerAddr,
> > &mZeroIp4Addr)) {
> > - CopyMem (
> > - &Private->ServerIp,
> > - Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_SERVER_ID]->Data,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - } else {
> > - CopyMem (
> > - &Private->ServerIp,
> > - &Packet->Packet.Offer.Dhcp4.Header.ServerAddr,
> > - sizeof (EFI_IPv4_ADDRESS)
> > - );
> > - }
> > - if (Private->ServerIp.Addr[0] == 0) {
> > - return EFI_DEVICE_ERROR;
> > - }
> > -
> > - ASSERT (Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE] !=
> > NULL);
> > -
> > - //
> > - // bootlfile name
> > - //
> > - Private->BootFileName = (CHAR8 *) (Packet-
> > >Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE]->Data);
> > -
> > - if (Packet->Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN] !=
> > NULL) {
> > - //
> > - // Already have the bootfile length option, compute the file size
> > - //
> > - CopyMem (&Value, Packet-
> > >Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN]->Data, sizeof
> > (Value));
> > - Value = NTOHS (Value);
> > - *BufferSize = 512 * Value;
> > - Status = EFI_BUFFER_TOO_SMALL;
> > - } else {
> > - //
> > - // Get the bootfile size from tftp
> > - //
> > - Status = PxeBc->Mtftp (
> > - PxeBc,
> > - EFI_PXE_BASE_CODE_TFTP_GET_FILE_SIZE,
> > - Buffer,
> > - FALSE,
> > - BufferSize,
> > - &Private->BlockSize,
> > - &Private->ServerIp,
> > - (UINT8 *) Private->BootFileName,
> > - NULL,
> > - FALSE
> > - );
> > - }
> > -
> > - Private->FileSize = (UINTN) *BufferSize;
> > -
> > - //
> > - // Display all the information: boot server address, boot file name
> and boot
> > file size.
> > - //
> > - AsciiPrint ("\n Server IP address is ");
> > - PxeBcShowIp4Addr (&Private->ServerIp.v4);
> > - AsciiPrint ("\n NBP filename is %a", Private->BootFileName);
> > - AsciiPrint ("\n NBP filesize is %d Bytes", Private->FileSize);
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - Causes the driver to load a specified file.
> > -
> > - @param This Protocol instance pointer.
> > - @param FilePath The device specific path of the file to
> load.
> > - @param BootPolicy If TRUE, indicates that the request
> originates
> > from the
> > - boot manager is attempting to load
> FilePath as a boot
> > - selection. If FALSE, then FilePath must
> match as exact file
> > - to be loaded.
> > - @param BufferSize On input the size of Buffer in bytes.
> On output
> > with a return
> > - code of EFI_SUCCESS, the amount of data
> transferred to
> > - Buffer. On output with a return code of
> > EFI_BUFFER_TOO_SMALL,
> > - the size of Buffer required to retrieve
> the requested file.
> > - @param Buffer The memory buffer to transfer the file
> to. IF Buffer
> > is NULL,
> > - then no the size of the requested file
> is returned in
> > - BufferSize.
> > -
> > - @retval EFI_SUCCESS The file was loaded.
> > - @retval EFI_UNSUPPORTED The device does not support the
> > provided BootPolicy
> > - @retval EFI_INVALID_PARAMETER FilePath is not a valid device
> path, or
> > - BufferSize is NULL.
> > - @retval EFI_NO_MEDIA No medium was present to load the
> file.
> > - @retval EFI_DEVICE_ERROR The file was not loaded due to a
> device
> > error.
> > - @retval EFI_NO_RESPONSE The remote system did not respond.
> > - @retval EFI_NOT_FOUND The file was not found.
> > - @retval EFI_ABORTED The file load process was
> manually cancelled.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeLoadFile (
> > - IN EFI_LOAD_FILE_PROTOCOL * This,
> > - IN EFI_DEVICE_PATH_PROTOCOL * FilePath,
> > - IN BOOLEAN BootPolicy,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *Buffer OPTIONAL
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
> > - BOOLEAN NewMakeCallback;
> > - EFI_STATUS Status;
> > - UINT64 TmpBufSize;
> > - EFI_STATUS MediaStatus;
> > -
> > - if (FilePath == NULL || !IsDevicePathEnd (FilePath)) {
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - Private = PXEBC_PRIVATE_DATA_FROM_LOADFILE (This);
> > - PxeBc = &Private->PxeBc;
> > - NewMakeCallback = FALSE;
> > - Status = EFI_DEVICE_ERROR;
> > -
> > - if (This == NULL || BufferSize == NULL) {
> > -
> > - return EFI_INVALID_PARAMETER;
> > - }
> > -
> > - //
> > - // Only support BootPolicy
> > - //
> > - if (!BootPolicy) {
> > - return EFI_UNSUPPORTED;
> > - }
> > -
> > - //
> > - // Check media status before PXE start
> > - //
> > - MediaStatus = EFI_SUCCESS;
> > - NetLibDetectMediaWaitTimeout (Private->Controller,
> > PXEBC_CHECK_MEDIA_WAITING_TIME, &MediaStatus);
> > - if (MediaStatus != EFI_SUCCESS) {
> > - return EFI_NO_MEDIA;
> > - }
> > -
> > - Status = PxeBc->Start (PxeBc, FALSE);
> > - if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {
> > - return Status;
> > - }
> > -
> > - Status = gBS->HandleProtocol (
> > - Private->Controller,
> > - &gEfiPxeBaseCodeCallbackProtocolGuid,
> > - (VOID **) &Private->PxeBcCallback
> > - );
> > - if (Status == EFI_UNSUPPORTED) {
> > -
> > - CopyMem (&Private->LoadFileCallback, &mPxeBcCallBackTemplate,
> sizeof
> > (Private->LoadFileCallback));
> > -
> > - Status = gBS->InstallProtocolInterface (
> > - &Private->Controller,
> > - &gEfiPxeBaseCodeCallbackProtocolGuid,
> > - EFI_NATIVE_INTERFACE,
> > - &Private->LoadFileCallback
> > - );
> > -
> > - NewMakeCallback = (BOOLEAN) (Status == EFI_SUCCESS);
> > -
> > - Status = PxeBc->SetParameters (PxeBc, NULL, NULL, NULL,
> NULL,
> > &NewMakeCallback);
> > - if (EFI_ERROR (Status)) {
> > - PxeBc->Stop (PxeBc);
> > - return Status;
> > - }
> > - }
> > -
> > - if (Private->FileSize == 0) {
> > - TmpBufSize = 0;
> > - Status = DiscoverBootFile (Private, &TmpBufSize, Buffer);
> > -
> > - if (sizeof (UINTN) < sizeof (UINT64) && (TmpBufSize > 0xFFFFFFFF))
> {
> > - Status = EFI_DEVICE_ERROR;
> > - } else if (TmpBufSize > 0 && *BufferSize >= (UINTN) TmpBufSize &&
> > Buffer != NULL) {
> > - AsciiPrint ("\n Downloading NBP file...\n");
> > - *BufferSize = (UINTN) TmpBufSize;
> > - Status = PxeBc->Mtftp (
> > - PxeBc,
> > - EFI_PXE_BASE_CODE_TFTP_READ_FILE,
> > - Buffer,
> > - FALSE,
> > - &TmpBufSize,
> > - &Private->BlockSize,
> > - &Private->ServerIp,
> > - (UINT8 *) Private->BootFileName,
> > - NULL,
> > - FALSE
> > - );
> > - } else if (TmpBufSize > 0) {
> > - *BufferSize = (UINTN) TmpBufSize;
> > - Status = EFI_BUFFER_TOO_SMALL;
> > - }
> > - } else if (Buffer == NULL || Private->FileSize > *BufferSize) {
> > - *BufferSize = Private->FileSize;
> > - Status = EFI_BUFFER_TOO_SMALL;
> > - } else {
> > - //
> > - // Download the file.
> > - //
> > - AsciiPrint ("\n Downloading NBP file...\n");
> > - TmpBufSize = (UINT64) (*BufferSize);
> > - Status = PxeBc->Mtftp (
> > - PxeBc,
> > - EFI_PXE_BASE_CODE_TFTP_READ_FILE,
> > - Buffer,
> > - FALSE,
> > - &TmpBufSize,
> > - &Private->BlockSize,
> > - &Private->ServerIp,
> > - (UINT8 *) Private->BootFileName,
> > - NULL,
> > - FALSE
> > - );
> > - }
> > - //
> > - // If we added a callback protocol, now is the time to remove it.
> > - //
> > - if (NewMakeCallback) {
> > -
> > - NewMakeCallback = FALSE;
> > -
> > - PxeBc->SetParameters (PxeBc, NULL, NULL, NULL, NULL,
> > &NewMakeCallback);
> > -
> > - gBS->UninstallProtocolInterface (
> > - Private->Controller,
> > - &gEfiPxeBaseCodeCallbackProtocolGuid,
> > - &Private->LoadFileCallback
> > - );
> > - }
> > -
> > - //
> > - // Check download status
> > - //
> > - if (Status == EFI_SUCCESS) {
> > - AsciiPrint ("\n NBP file downloaded successfully.\n");
> > - //
> > - // The DHCP4 can have only one configured child instance so we need
> to
> > stop
> > - // reset the DHCP4 child before we return. Otherwise the other
> programs
> > which
> > - // also need to use DHCP4 will be impacted.
> > - // The functionality of PXE Base Code protocol will not be stopped,
> > - // when downloading is successfully.
> > - //
> > - Private->Dhcp4->Stop (Private->Dhcp4);
> > - Private->Dhcp4->Configure (Private->Dhcp4, NULL);
> > - return EFI_SUCCESS;
> > -
> > - } else if (Status == EFI_BUFFER_TOO_SMALL) {
> > - if (Buffer != NULL) {
> > - AsciiPrint ("PXE-E05: Download buffer is smaller than requested
> file.\n");
> > - } else {
> > - //
> > - // The functionality of PXE Base Code protocol will not be
> stopped.
> > - //
> > - return Status;
> > - }
> > -
> > - } else if (Status == EFI_DEVICE_ERROR) {
> > - AsciiPrint ("PXE-E07: Network device error.\n");
> > -
> > - } else if (Status == EFI_OUT_OF_RESOURCES) {
> > - AsciiPrint ("PXE-E09: Could not allocate I/O buffers.\n");
> > -
> > - } else if (Status == EFI_NO_MEDIA) {
> > - AsciiPrint ("PXE-E12: Could not detect network connection.\n");
> > -
> > - } else if (Status == EFI_NO_RESPONSE) {
> > - AsciiPrint ("PXE-E16: No offer received.\n");
> > -
> > - } else if (Status == EFI_TIMEOUT) {
> > - AsciiPrint ("PXE-E18: Server response timeout.\n");
> > -
> > - } else if (Status == EFI_ABORTED) {
> > - AsciiPrint ("PXE-E21: Remote boot cancelled.\n");
> > -
> > - } else if (Status == EFI_ICMP_ERROR) {
> > - AsciiPrint ("PXE-E22: Client received ICMP error from server.\n");
> > -
> > - } else if (Status == EFI_TFTP_ERROR) {
> > - AsciiPrint ("PXE-E23: Client received TFTP error from server.\n");
> > -
> > - } else {
> > - AsciiPrint ("PXE-E99: Unexpected network error.\n");
> > - }
> > -
> > - PxeBc->Stop (PxeBc);
> > -
> > - return Status;
> > -}
> > -
> > -EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate = { EfiPxeLoadFile };
> > -
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.c
> > deleted file mode 100644
> > index 88767c8394ab..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.c
> > +++ /dev/null
> > @@ -1,454 +0,0 @@
> > -/** @file
> > - PxeBc MTFTP functions.
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -CHAR8 *mMtftpOptions[PXE_MTFTP_OPTION_MAXIMUM_INDEX] = {
> > - "blksize",
> > - "timeout",
> > - "tsize",
> > - "multicast"
> > -};
> > -
> > -
> > -/**
> > - This is a callback function when packets received/transmitted in
> Mtftp
> > driver.
> > -
> > - A callback function that is provided by the caller to intercept
> > - the EFI_MTFTP4_OPCODE_DATA or EFI_MTFTP4_OPCODE_DATA8 packets
> > processed in the
> > - EFI_MTFTP4_PROTOCOL.ReadFile() function, and alternatively to
> intercept
> > - EFI_MTFTP4_OPCODE_OACK or EFI_MTFTP4_OPCODE_ERROR packets
> > during a call to
> > - EFI_MTFTP4_PROTOCOL.ReadFile(), WriteFile() or ReadDirectory().
> > -
> > - @param This Pointer to Mtftp protocol instance
> > - @param Token Pointer to Mtftp token
> > - @param PacketLen Length of Mtftp packet
> > - @param Packet Pointer to Mtftp packet
> > -
> > - @retval EFI_SUCCESS Operation sucess
> > - @retval EFI_ABORTED Abort transfer process
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcCheckPacket (
> > - IN EFI_MTFTP4_PROTOCOL *This,
> > - IN EFI_MTFTP4_TOKEN *Token,
> > - IN UINT16 PacketLen,
> > - IN EFI_MTFTP4_PACKET *Packet
> > - )
> > -{
> > - PXEBC_PRIVATE_DATA *Private;
> > - EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *Callback;
> > - EFI_STATUS Status;
> > -
> > - Private = (PXEBC_PRIVATE_DATA *) Token->Context;
> > - Callback = Private->PxeBcCallback;
> > - Status = EFI_SUCCESS;
> > -
> > - if (Packet->OpCode == EFI_MTFTP4_OPCODE_ERROR) {
> > - Private->Mode.TftpErrorReceived = TRUE;
> > - Private->Mode.TftpError.ErrorCode = (UINT8) Packet->Error.ErrorCode;
> > - AsciiStrnCpyS (Private->Mode.TftpError.ErrorString,
> > PXE_MTFTP_ERROR_STRING_LENGTH, (CHAR8 *) Packet-
> > >Error.ErrorMessage, PXE_MTFTP_ERROR_STRING_LENGTH - 1);
> > - Private-
> > >Mode.TftpError.ErrorString[PXE_MTFTP_ERROR_STRING_LENGTH - 1] = '\0';
> > - }
> > -
> > - if (Callback != NULL) {
> > -
> > - Status = Callback->Callback (
> > - Callback,
> > - Private->Function,
> > - TRUE,
> > - PacketLen,
> > - (EFI_PXE_BASE_CODE_PACKET *) Packet
> > - );
> > - if (Status != EFI_PXE_BASE_CODE_CALLBACK_STATUS_CONTINUE) {
> > -
> > - Status = EFI_ABORTED;
> > - } else {
> > -
> > - Status = EFI_SUCCESS;
> > - }
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - This function is to get size of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param BlockSize Pointer to block size
> > - @param BufferSize Pointer to buffer size
> > -
> > - @retval EFI_SUCCESS Get the size of file success
> > - @retval EFI_NOT_FOUND Parse the tftp ptions failed.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval Other Has not get the size of the file.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpGetFileSize (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN OUT UINT64 *BufferSize
> > - )
> > -{
> > - EFI_MTFTP4_PROTOCOL *Mtftp4;
> > - EFI_MTFTP4_OPTION ReqOpt[2];
> > - EFI_MTFTP4_PACKET *Packet;
> > - EFI_MTFTP4_OPTION *Option;
> > - UINT32 PktLen;
> > - UINT8 OptBuf[128];
> > - UINT32 OptCnt;
> > - EFI_STATUS Status;
> > -
> > - *BufferSize = 0;
> > - Status = EFI_DEVICE_ERROR;
> > - Mtftp4 = Private->Mtftp4;
> > - Packet = NULL;
> > - Option = NULL;
> > - PktLen = 0;
> > - OptCnt = 1;
> > - Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
> > -
> > - Status = Mtftp4->Configure (Mtftp4, Config);
> > - if (EFI_ERROR (Status)) {
> > -
> > - return Status;
> > - }
> > -
> > - ReqOpt[0].OptionStr =
> > (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_TSIZE_INDEX];
> > - UtoA10 (0, (CHAR8 *) OptBuf, PXE_MTFTP_OPTBUF_MAXNUM_INDEX);
> > - ReqOpt[0].ValueStr = OptBuf;
> > -
> > - if (BlockSize != NULL) {
> > - ReqOpt[1].OptionStr =
> > (UINT8*)mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
> > - ReqOpt[1].ValueStr = ReqOpt[0].ValueStr + AsciiStrLen ((CHAR8 *)
> > ReqOpt[0].ValueStr) + 1;
> > - UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[1].ValueStr,
> > PXE_MTFTP_OPTBUF_MAXNUM_INDEX - (AsciiStrLen ((CHAR8 *)
> > ReqOpt[0].ValueStr) + 1));
> > - OptCnt++;
> > - }
> > -
> > - Status = Mtftp4->GetInfo (
> > - Mtftp4,
> > - NULL,
> > - Filename,
> > - NULL,
> > - (UINT8) OptCnt,
> > - ReqOpt,
> > - &PktLen,
> > - &Packet
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > - if (Status == EFI_TFTP_ERROR) {
> > - Private->Mode.TftpErrorReceived = TRUE;
> > - Private->Mode.TftpError.ErrorCode = (UINT8) Packet-
> >Error.ErrorCode;
> > - AsciiStrnCpyS (
> > - Private->Mode.TftpError.ErrorString,
> > - PXE_MTFTP_ERROR_STRING_LENGTH,
> > - (CHAR8 *) Packet->Error.ErrorMessage,
> > - PXE_MTFTP_ERROR_STRING_LENGTH - 1
> > - );
> > - Private-
> > >Mode.TftpError.ErrorString[PXE_MTFTP_ERROR_STRING_LENGTH - 1] = '\0';
> > - }
> > - goto ON_ERROR;
> > - }
> > -
> > - OptCnt = 0;
> > -
> > - Status = Mtftp4->ParseOptions (
> > - Mtftp4,
> > - PktLen,
> > - Packet,
> > - (UINT32 *) &OptCnt,
> > - &Option
> > - );
> > -
> > - if (EFI_ERROR (Status)) {
> > -
> > - goto ON_ERROR;
> > - }
> > -
> > - Status = EFI_NOT_FOUND;
> > -
> > - while (OptCnt != 0) {
> > -
> > - if (AsciiStrnCmp ((CHAR8 *) Option[OptCnt - 1].OptionStr, "tsize",
> 5) == 0)
> > {
> > -
> > - *BufferSize = AtoU64 (Option[OptCnt - 1].ValueStr);
> > - Status = EFI_SUCCESS;
> > - }
> > -
> > - OptCnt--;
> > - }
> > -
> > - FreePool (Option);
> > -
> > -ON_ERROR:
> > -
> > - if (Packet != NULL) {
> > - FreePool (Packet);
> > - }
> > -
> > - Mtftp4->Configure (Mtftp4, NULL);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - This function is to get data of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param BlockSize Pointer to block size
> > - @param BufferPtr Pointer to buffer
> > - @param BufferSize Pointer to buffer size
> > - @param DontUseBuffer Indicate whether with a receive buffer
> > -
> > - @retval EFI_SUCCESS Read the data success from the special
> file.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Read data from file failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpReadFile (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize,
> > - IN BOOLEAN DontUseBuffer
> > - )
> > -{
> > - EFI_MTFTP4_PROTOCOL *Mtftp4;
> > - EFI_MTFTP4_TOKEN Token;
> > - EFI_MTFTP4_OPTION ReqOpt[1];
> > - UINT32 OptCnt;
> > - UINT8 OptBuf[128];
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_DEVICE_ERROR;
> > - Mtftp4 = Private->Mtftp4;
> > - OptCnt = 0;
> > - Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
> > -
> > - Status = Mtftp4->Configure (Mtftp4, Config);
> > - if (EFI_ERROR (Status)) {
> > -
> > - return Status;
> > - }
> > -
> > - if (BlockSize != NULL) {
> > -
> > - ReqOpt[0].OptionStr = (UINT8*)
> > mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
> > - ReqOpt[0].ValueStr = OptBuf;
> > - UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr,
> > PXE_MTFTP_OPTBUF_MAXNUM_INDEX);
> > - OptCnt++;
> > - }
> > -
> > - Token.Event = NULL;
> > - Token.OverrideData = NULL;
> > - Token.Filename = Filename;
> > - Token.ModeStr = NULL;
> > - Token.OptionCount = OptCnt;
> > - Token.OptionList = ReqOpt;
> > - Token.Context = Private;
> > -
> > - if (DontUseBuffer) {
> > - Token.BufferSize = 0;
> > - Token.Buffer = NULL;
> > - } else {
> > - Token.BufferSize = *BufferSize;
> > - Token.Buffer = BufferPtr;
> > - }
> > -
> > - Token.CheckPacket = PxeBcCheckPacket;
> > - Token.TimeoutCallback = NULL;
> > - Token.PacketNeeded = NULL;
> > -
> > - Status = Mtftp4->ReadFile (Mtftp4, &Token);
> > -
> > - *BufferSize = Token.BufferSize;
> > -
> > - Mtftp4->Configure (Mtftp4, NULL);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - This function is put data of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param Overwrite Indicate whether with overwrite attribute
> > - @param BlockSize Pointer to block size
> > - @param BufferPtr Pointer to buffer
> > - @param BufferSize Pointer to buffer size
> > -
> > - @retval EFI_SUCCESS Write the data success into the special
> file.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Write data into file failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpWriteFile (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN BOOLEAN Overwrite,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize
> > - )
> > -{
> > - EFI_MTFTP4_PROTOCOL *Mtftp4;
> > - EFI_MTFTP4_TOKEN Token;
> > - EFI_MTFTP4_OPTION ReqOpt[1];
> > - UINT32 OptCnt;
> > - UINT8 OptBuf[128];
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_DEVICE_ERROR;
> > - Mtftp4 = Private->Mtftp4;
> > - OptCnt = 0;
> > - Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
> > -
> > - Status = Mtftp4->Configure (Mtftp4, Config);
> > - if (EFI_ERROR (Status)) {
> > -
> > - return Status;
> > - }
> > -
> > - if (BlockSize != NULL) {
> > -
> > - ReqOpt[0].OptionStr = (UINT8*)
> > mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
> > - ReqOpt[0].ValueStr = OptBuf;
> > - UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr,
> > PXE_MTFTP_OPTBUF_MAXNUM_INDEX);
> > - OptCnt++;
> > - }
> > -
> > - Token.Event = NULL;
> > - Token.OverrideData = NULL;
> > - Token.Filename = Filename;
> > - Token.ModeStr = NULL;
> > - Token.OptionCount = OptCnt;
> > - Token.OptionList = ReqOpt;
> > - Token.BufferSize = *BufferSize;
> > - Token.Buffer = BufferPtr;
> > - Token.CheckPacket = PxeBcCheckPacket;
> > - Token.TimeoutCallback = NULL;
> > - Token.PacketNeeded = NULL;
> > -
> > - Status = Mtftp4->WriteFile (Mtftp4, &Token);
> > - *BufferSize = Token.BufferSize;
> > -
> > - Mtftp4->Configure (Mtftp4, NULL);
> > -
> > - return Status;
> > -}
> > -
> > -
> > -/**
> > - This function is to get data(file) from a directory(may be a server)
> by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Config Pointer to Mtftp configuration data.
> > - @param Filename Pointer to file name.
> > - @param BlockSize Pointer to block size.
> > - @param BufferPtr Pointer to buffer.
> > - @param BufferSize Pointer to buffer size.
> > - @param DontUseBuffer Indicate whether with a receive buffer.
> > -
> > - @retval EFI_SUCCES Get the data from the file included in
> directory
> > success.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Operation failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpReadDirectory (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize,
> > - IN BOOLEAN DontUseBuffer
> > - )
> > -{
> > - EFI_MTFTP4_PROTOCOL *Mtftp4;
> > - EFI_MTFTP4_TOKEN Token;
> > - EFI_MTFTP4_OPTION ReqOpt[1];
> > - UINT32 OptCnt;
> > - UINT8 OptBuf[128];
> > - EFI_STATUS Status;
> > -
> > - Status = EFI_DEVICE_ERROR;
> > - Mtftp4 = Private->Mtftp4;
> > - OptCnt = 0;
> > - Config->InitialServerPort = PXEBC_BS_DOWNLOAD_PORT;
> > -
> > - Status = Mtftp4->Configure (Mtftp4, Config);
> > - if (EFI_ERROR (Status)) {
> > -
> > - return Status;
> > - }
> > -
> > - if (BlockSize != NULL) {
> > -
> > - ReqOpt[0].OptionStr = (UINT8*)
> > mMtftpOptions[PXE_MTFTP_OPTION_BLKSIZE_INDEX];
> > - ReqOpt[0].ValueStr = OptBuf;
> > - UtoA10 (*BlockSize, (CHAR8 *) ReqOpt[0].ValueStr,
> > PXE_MTFTP_OPTBUF_MAXNUM_INDEX);
> > - OptCnt++;
> > - }
> > -
> > - Token.Event = NULL;
> > - Token.OverrideData = NULL;
> > - Token.Filename = Filename;
> > - Token.ModeStr = NULL;
> > - Token.OptionCount = OptCnt;
> > - Token.OptionList = ReqOpt;
> > - Token.Context = Private;
> > -
> > - if (DontUseBuffer) {
> > - Token.BufferSize = 0;
> > - Token.Buffer = NULL;
> > - } else {
> > - Token.BufferSize = *BufferSize;
> > - Token.Buffer = BufferPtr;
> > - }
> > -
> > - Token.CheckPacket = PxeBcCheckPacket;
> > - Token.TimeoutCallback = NULL;
> > - Token.PacketNeeded = NULL;
> > -
> > - Status = Mtftp4->ReadDirectory (Mtftp4, &Token);
> > -
> > - *BufferSize = Token.BufferSize;
> > -
> > - Mtftp4->Configure (Mtftp4, NULL);
> > -
> > - return Status;
> > -}
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.c
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.c
> > deleted file mode 100644
> > index 1401ca5ec2fd..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.c
> > +++ /dev/null
> > @@ -1,221 +0,0 @@
> > -/** @file
> > - Support routines for PxeBc.
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "PxeBcImpl.h"
> > -
> > -
> > -/**
> > - The common notify function associated with various PxeBc events.
> > -
> > - @param Event The event signaled.
> > - @param Context The context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -PxeBcCommonNotify (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - )
> > -{
> > - *((BOOLEAN *) Context) = TRUE;
> > -}
> > -
> > -
> > -/**
> > - This function initialize(or configure) the Udp4Write instance.
> > -
> > - @param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.
> > - @param StationIp Pointer to the station ip address.
> > - @param SubnetMask Pointer to the subnetmask of the station ip
> address.
> > - @param Gateway Pointer to the gateway ip address.
> > - @param SrcPort Pointer to the srouce port of the station.
> > - @param Ttl The time to live field of the IP header.
> > - @param ToS The type of service field of the IP header.
> > -
> > - @retval EFI_SUCCESS The configuration settings were set,
> changed, or
> > reset successfully.
> > - @retval EFI_NO_MAPPING When using a default address,
> configuration
> > (DHCP, BOOTP,
> > - RARP, etc.) is not finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more following conditions are
> > TRUE:
> > - @retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is
> already
> > started/configured
> > - and must be stopped/reset before it can
> be reconfigured.
> > - @retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is
> > FALSE
> > - and UdpConfigData.StationPort is
> already used by
> > - other instance.
> > - @retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot
> > allocate memory for this
> > - EFI UDPv4 Protocol instance.
> > - @retval EFI_DEVICE_ERROR An unexpected network or system error
> > occurred and this instance
> > - was not opened.
> > - @retval Others Please examine the function Udp4-
> >Routes(Udp4,
> > FALSE, &mZeroIp4Addr, &mZeroIp4Addr, Gateway) returns.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcConfigureUdpWriteInstance (
> > - IN EFI_UDP4_PROTOCOL *Udp4,
> > - IN EFI_IPv4_ADDRESS *StationIp,
> > - IN EFI_IPv4_ADDRESS *SubnetMask,
> > - IN EFI_IPv4_ADDRESS *Gateway,
> > - IN OUT UINT16 *SrcPort,
> > - IN UINT8 Ttl,
> > - IN UINT8 ToS
> > - )
> > -{
> > - EFI_UDP4_CONFIG_DATA Udp4CfgData;
> > - EFI_STATUS Status;
> > -
> > - ZeroMem (&Udp4CfgData, sizeof (Udp4CfgData));
> > -
> > - Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
> > - Udp4CfgData.TypeOfService = ToS;
> > - Udp4CfgData.TimeToLive = Ttl;
> > - Udp4CfgData.AllowDuplicatePort = TRUE;
> > -
> > - CopyMem (&Udp4CfgData.StationAddress, StationIp, sizeof (*StationIp));
> > - CopyMem (&Udp4CfgData.SubnetMask, SubnetMask, sizeof
> > (*SubnetMask));
> > -
> > - Udp4CfgData.StationPort = *SrcPort;
> > -
> > - //
> > - // Reset the instance.
> > - //
> > - Udp4->Configure (Udp4, NULL);
> > -
> > - Status = Udp4->Configure (Udp4, &Udp4CfgData);
> > - if (!EFI_ERROR (Status) && (Gateway->Addr[0] != 0)) {
> > - //
> > - // basic configuration OK, need to add the default route entry
> > - //
> > - Status = Udp4->Routes (Udp4, FALSE, &mZeroIp4Addr, &mZeroIp4Addr,
> > Gateway);
> > - if (EFI_ERROR (Status)) {
> > - //
> > - // roll back
> > - //
> > - Udp4->Configure (Udp4, NULL);
> > - }
> > - }
> > -
> > - if (!EFI_ERROR (Status) && (*SrcPort == 0)) {
> > - Udp4->GetModeData (Udp4, &Udp4CfgData, NULL, NULL, NULL);
> > - *SrcPort = Udp4CfgData.StationPort;
> > - }
> > -
> > - return Status;
> > -}
> > -
> > -/**
> > - This function is to display the IPv4 address.
> > -
> > - @param[in] Ip The pointer to the IPv4 address.
> > -
> > -**/
> > -VOID
> > -PxeBcShowIp4Addr (
> > - IN EFI_IPv4_ADDRESS *Ip
> > - )
> > -{
> > - UINTN Index;
> > -
> > - for (Index = 0; Index < 4; Index++) {
> > - AsciiPrint ("%d", Ip->Addr[Index]);
> > - if (Index < 3) {
> > - AsciiPrint (".");
> > - }
> > - }
> > -}
> > -
> > -/**
> > - Convert number to ASCII value.
> > -
> > - @param Number Numeric value to convert to decimal ASCII
> value.
> > - @param Buffer Buffer to place ASCII version of the
> Number.
> > - @param Length Length of Buffer.
> > -
> > -**/
> > -VOID
> > -CvtNum (
> > - IN UINTN Number,
> > - IN UINT8 *Buffer,
> > - IN UINTN Length
> > - )
> > -{
> > - UINTN Remainder;
> > -
> > - for (; Length > 0; Length--) {
> > - Remainder = Number % 10;
> > - Number /= 10;
> > - Buffer[Length - 1] = (UINT8) ('0' + Remainder);
> > - }
> > -}
> > -
> > -
> > -/**
> > - Convert unsigned int number to decimal number.
> > -
> > - @param Number The unsigned int number will be converted.
> > - @param Buffer Pointer to the buffer to store the decimal
> number
> > after transform.
> > - @param[in] BufferSize The maxsize of the buffer.
> > -
> > - @return the length of the number after transform.
> > -
> > -**/
> > -UINTN
> > -UtoA10 (
> > - IN UINTN Number,
> > - IN CHAR8 *Buffer,
> > - IN UINTN BufferSize
> > - )
> > -{
> > - UINTN Index;
> > - CHAR8 TempStr[64];
> > -
> > - Index = 63;
> > - TempStr[Index] = 0;
> > -
> > - do {
> > - Index--;
> > - TempStr[Index] = (CHAR8) ('0' + (Number % 10));
> > - Number = Number / 10;
> > - } while (Number != 0);
> > -
> > - AsciiStrCpyS (Buffer, BufferSize, &TempStr[Index]);
> > -
> > - return AsciiStrLen (Buffer);
> > -}
> > -
> > -
> > -/**
> > - Convert ASCII numeric string to a UINTN value.
> > -
> > - @param Buffer Pointer to the 8-byte unsigned int value.
> > -
> > - @return UINTN value of the ASCII string.
> > -
> > -**/
> > -UINT64
> > -AtoU64 (
> > - IN UINT8 *Buffer
> > - )
> > -{
> > - UINT64 Value;
> > - UINT8 Character;
> > -
> > - Value = 0;
> > - while ((Character = *Buffer++) != '\0') {
> > - Value = MultU64x32 (Value, 10) + (Character - '0');
> > - }
> > -
> > - return Value;
> > -}
> > -
> > diff --git a/MdeModulePkg/MdeModulePkg.dsc
> > b/MdeModulePkg/MdeModulePkg.dsc
> > index 2465d39fd744..5d042be3a862 100644
> > --- a/MdeModulePkg/MdeModulePkg.dsc
> > +++ b/MdeModulePkg/MdeModulePkg.dsc
> > @@ -354,12 +354,10 @@ [Components]
> > MdeModulePkg/Universal/Network/Dhcp4Dxe/Dhcp4Dxe.inf
> > MdeModulePkg/Universal/Network/DpcDxe/DpcDxe.inf
> > MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Dxe.inf
> > - MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
> > MdeModulePkg/Universal/Network/MnpDxe/MnpDxe.inf
> > MdeModulePkg/Universal/Network/VlanConfigDxe/VlanConfigDxe.inf
> > MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Dxe.inf
> > MdeModulePkg/Universal/Network/SnpDxe/SnpDxe.inf
> > - MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf
> > MdeModulePkg/Universal/Network/Udp4Dxe/Udp4Dxe.inf
> >
> >
> > MdeModulePkg/Universal/PcatSingleSegmentPciCfg2Pei/PcatSingleSegmen
> > tPciCfg2Pei.inf
> > @@ -422,7 +420,6 @@ [Components]
> > MdeModulePkg/Library/DxeCapsuleLibFmp/DxeRuntimeCapsuleLib.inf
> >
> > [Components.IA32, Components.X64, Components.AARCH64]
> > - MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
> > MdeModulePkg/Universal/DebugSupportDxe/DebugSupportDxe.inf
> > MdeModulePkg/Universal/EbcDxe/EbcDxe.inf
> > MdeModulePkg/Universal/EbcDxe/EbcDebugger.inf
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.h
> > deleted file mode 100644
> > index ee371d26744c..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/ComponentName.h
> > +++ /dev/null
> > @@ -1,165 +0,0 @@
> > -/** @file
> > - The header file of UEFI Component Name(2) protocol.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _COMPONENT_NAME_H_
> > -#define _COMPONENT_NAME_H_
> > -
> > -#include <Protocol/ComponentName.h>
> > -#include <Protocol/ComponentName2.h>
> > -
> > -extern EFI_COMPONENT_NAME2_PROTOCOL gIScsiComponentName2;
> > -extern EFI_COMPONENT_NAME_PROTOCOL gIScsiComponentName;
> > -
> > -//
> > -// EFI Component Name Protocol for iSCSI driver.
> > -//
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the EFI
> Driver.
> > -
> > - This function retrieves the user readable name of a driver in the
> form of a
> > - Unicode string. If the driver specified by This has a user readable
> name in
> > - the language specified by Language, then a pointer to the driver name
> is
> > - returned in DriverName, and EFI_SUCCESS is returned. If the driver
> > specified
> > - by This does not support the language specified by Language,
> > - then EFI_UNSUPPORTED is returned.
> > -
> > - @param[in] This A pointer to the EFI_COMPONENT_NAME_PROTOCOL
> > instance.
> > - @param[in] Language A pointer to a three characters ISO 639-2
> language
> > identifier.
> > - This is the language of the driver name that
> that the caller
> > - is requesting, and it must match one of the
> languages specified
> > - in SupportedLanguages. The number of
> languages supported
> > by a
> > - driver is up to the driver writer.
> > - @param[out] DriverName A pointer to the Unicode string to return.
> This
> > Unicode string
> > - is the name of the driver specified by This
> in the language
> > - specified by Language.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the Driver
> specified by
> > This
> > - and the language specified by Language
> was returned
> > - in DriverName.
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > - @retval EFI_INVALID_PARAMETER DriverName is NULL.
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support the
> > - language specified by Language.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiComponentNameGetDriverName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **DriverName
> > - );
> > -
> > -/**
> > - Retrieves a Unicode string that is the user readable name of the
> controller
> > - that is being managed by an EFI Driver. Currently not implemented.
> > -
> > - @param[in] This A pointer to the
> > EFI_COMPONENT_NAME_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of a controller that the
> driver
> > specified by
> > - This is managing. This handle specifies
> the controller
> > - whose name is to be returned.
> > - @param[in] ChildHandle The handle of the child controller to
> retrieve
> > the name
> > - of. This is an optional parameter that
> may be NULL. It
> > - will be NULL for device drivers. It
> will also be NULL
> > - for a bus drivers that wish to retrieve
> the name of the
> > - bus controller. It will not be NULL for
> a bus driver
> > - that wishes to retrieve the name of a
> child controller.
> > - @param[in] Language A pointer to a three characters ISO 639-
> 2
> > language
> > - identifier. This is the language of the
> controller name
> > - that that the caller is requesting, and
> it must match one
> > - of the languages specified in
> SupportedLanguages. The
> > - number of languages supported by a
> driver is up to the
> > - driver writer.
> > - @param[out] ControllerName A pointer to the Unicode string to
> return.
> > This Unicode
> > - string is the name of the controller
> specified by
> > - ControllerHandle and ChildHandle in the
> language specified
> > - by Language from the point of view of
> the driver specified
> > - by This.
> > -
> > - @retval EFI_SUCCESS The Unicode string for the user
> readable name
> > in the
> > - language specified by Language for the
> driver
> > - specified by This was returned in
> DriverName.
> > - @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
> > - @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a
> > valid EFI_HANDLE.
> > - @retval EFI_INVALID_PARAMETER Language is NULL.
> > - @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> > - @retval EFI_UNSUPPORTED The driver specified by This is not
> currently
> > managing
> > - the controller specified by
> ControllerHandle and
> > - ChildHandle.
> > - @retval EFI_UNSUPPORTED The driver specified by This does not
> > support the
> > - language specified by Language.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiComponentNameGetControllerName (
> > - IN EFI_COMPONENT_NAME_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE ChildHandle OPTIONAL,
> > - IN CHAR8 *Language,
> > - OUT CHAR16 **ControllerName
> > - );
> > -
> > -//
> > -// EFI iSCSI Initiator Name Protocol for IScsi driver.
> > -//
> > -
> > -/**
> > - Retrieves the current set value of iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer
> > / Actual size of the
> > - variable data buffer.
> > - @param[out] Buffer Pointer to the buffer for data to be read.
> > -
> > - @retval EFI_SUCCESS Data was successfully retrieved into
> the
> > provided buffer and the
> > - BufferSize was sufficient to handle the
> iSCSI initiator name
> > - @retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the result.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL.
> > - @retval EFI_DEVICE_ERROR The iSCSI initiator name could not be
> > retrieved due to a hardware error.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiGetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - OUT VOID *Buffer
> > - );
> > -
> > -/**
> > - Sets the iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer.
> > - @param[in] Buffer Pointer to the buffer for data to be
> written.
> > -
> > - @retval EFI_SUCCESS Data was successfully stored by the
> protocol.
> > - @retval EFI_UNSUPPORTED Platform policies do not allow for data
> to be
> > written.
> > - Currently not implemented.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL, or
> > BufferSize exceeds the maximum allowed limit.
> > - @retval EFI_DEVICE_ERROR The data could not be stored due to a
> > hardware error.
> > - @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold
> > the data.
> > - @retval EFI_PROTOCOL_ERROR Input iSCSI initiator name does not
> > adhere to RFC 3720
> > - (and other related protocols)
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiSetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *Buffer
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4Dxe.uni
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4Dxe.uni
> > deleted file mode 100644
> > index d3c020e45d3b..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4Dxe.uni
> > +++ /dev/null
> > @@ -1,25 +0,0 @@
> > -// /** @file
> > -// This module produces EFI iSCSI Initiator Name Protocol.
> > -//
> > -// This module produces EFI iSCSI Initiator Name Protocol upon EFI
> TCPv4
> > Protocol
> > -// and EFI DHCPv4 Protocol, to provide the capability to do the
> transport for
> > SCSI
> > -// data over TCP/IP. It installs EFI HII Configuration Access Protocol
> to
> > provide
> > -// one way to configurate the iSCSI setting.
> > -//
> > -// Copyright (c) 2004 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -
> > -#string STR_MODULE_ABSTRACT #language en-US "Produces EFI
> iSCSI
> > Initiator Name Protocol"
> > -
> > -#string STR_MODULE_DESCRIPTION #language en-US "This module
> > produces EFI iSCSI Initiator Name Protocol upon EFI TCPv4 Protocol and
> EFI
> > DHCPv4 Protocol, to provide the capability to do the transport for SCSI
> data
> > over TCP/IP. It installs EFI HII Configuration Access Protocol to
> provide a way
> > to configure the iSCSI setting."
> > -
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4DxeExtra.uni
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4DxeExtra.uni
> > deleted file mode 100644
> > index 5ec75820a605..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsi4DxeExtra.uni
> > +++ /dev/null
> > @@ -1,20 +0,0 @@
> > -// /** @file
> > -// IScsi4Dxe Localized Strings and Content
> > -//
> > -// Copyright (c) 2013 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -#string STR_PROPERTIES_MODULE_NAME
> > -#language en-US
> > -"iSCSI DXE Driver"
> > -
> > -
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.h
> > deleted file mode 100644
> > index 14a5658f754b..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCHAP.h
> > +++ /dev/null
> > @@ -1,106 +0,0 @@
> > -/** @file
> > - The header file of CHAP configuration.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_CHAP_H_
> > -#define _ISCSI_CHAP_H_
> > -
> > -#define ISCSI_AUTH_METHOD_CHAP "CHAP"
> > -
> > -#define ISCSI_KEY_CHAP_ALGORITHM "CHAP_A"
> > -#define ISCSI_KEY_CHAP_IDENTIFIER "CHAP_I"
> > -#define ISCSI_KEY_CHAP_CHALLENGE "CHAP_C"
> > -#define ISCSI_KEY_CHAP_NAME "CHAP_N"
> > -#define ISCSI_KEY_CHAP_RESPONSE "CHAP_R"
> > -
> > -#define ISCSI_CHAP_ALGORITHM_MD5 5
> > -
> > -#define ISCSI_CHAP_AUTH_MAX_LEN 1024
> > -///
> > -/// MD5_HASHSIZE
> > -///
> > -#define ISCSI_CHAP_RSP_LEN 16
> > -
> > -#define ISCSI_CHAP_INITIAL 0
> > -#define ISCSI_CHAP_STEP_ONE 1
> > -#define ISCSI_CHAP_STEP_TWO 2
> > -#define ISCSI_CHAP_STEP_THREE 3
> > -#define ISCSI_CHAP_STEP_FOUR 4
> > -
> > -#pragma pack(1)
> > -
> > -typedef struct _ISCSI_CHAP_AUTH_CONFIG_NVDATA {
> > - UINT8 CHAPType;
> > - CHAR8 CHAPName[ISCSI_CHAP_NAME_STORAGE];
> > - CHAR8 CHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
> > - CHAR8 ReverseCHAPName[ISCSI_CHAP_NAME_STORAGE];
> > - CHAR8 ReverseCHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
> > -} ISCSI_CHAP_AUTH_CONFIG_NVDATA;
> > -
> > -#pragma pack()
> > -
> > -///
> > -/// ISCSI CHAP Authentication Data
> > -///
> > -typedef struct _ISCSI_CHAP_AUTH_DATA {
> > - ISCSI_CHAP_AUTH_CONFIG_NVDATA AuthConfig;
> > - UINT32 InIdentifier;
> > - UINT8 InChallenge[ISCSI_CHAP_AUTH_MAX_LEN];
> > - UINT32 InChallengeLength;
> > - //
> > - // Calculated CHAP Response (CHAP_R) value
> > - //
> > - UINT8 CHAPResponse[ISCSI_CHAP_RSP_LEN];
> > -
> > - //
> > - // Auth-data to be sent out for mutual authentication
> > - //
> > - UINT32 OutIdentifier;
> > - UINT8 OutChallenge[ISCSI_CHAP_AUTH_MAX_LEN];
> > - UINT32 OutChallengeLength;
> > -} ISCSI_CHAP_AUTH_DATA;
> > -
> > -/**
> > - This function checks the received iSCSI Login Response during the
> security
> > - negotiation stage.
> > -
> > - @param[in] Conn The iSCSI connection.
> > -
> > - @retval EFI_SUCCESS The Login Response passed the CHAP
> validation.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of protocol error happend.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPOnRspReceived (
> > - IN ISCSI_CONNECTION *Conn
> > - );
> > -/**
> > - This function fills the CHAP authentication information into the
> login PDU
> > - during the security negotiation stage in the iSCSI connection login.
> > -
> > - @param[in] Conn The iSCSI connection.
> > - @param[in, out] Pdu The PDU to send out.
> > -
> > - @retval EFI_SUCCESS All check passed and the phase-related
> CHAP
> > - authentication info is filled into the
> iSCSI PDU.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of protocol error happend.
> > -**/
> > -EFI_STATUS
> > -IScsiCHAPToSendReq (
> > - IN ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCommon.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCommon.h
> > deleted file mode 100644
> > index 650c68d53bab..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiCommon.h
> > +++ /dev/null
> > @@ -1,22 +0,0 @@
> > -/** @file
> > - The common header file of Iscsi.
> > -
> > -Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_COMMON_H_
> > -#define _ISCSI_COMMON_H_
> > -
> > -typedef struct _ISCSI_SESSION ISCSI_SESSION;
> > -typedef struct _ISCSI_CONNECTION ISCSI_CONNECTION;
> > -typedef struct _ISCSI_DRIVER_DATA ISCSI_DRIVER_DATA;
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.h
> > deleted file mode 100644
> > index c3d07f6f4859..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfig.h
> > +++ /dev/null
> > @@ -1,166 +0,0 @@
> > -/** @file
> > - The header file of IScsiConfig.c.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_CONFIG_H_
> > -#define _ISCSI_CONFIG_H_
> > -
> > -#include <Guid/MdeModuleHii.h>
> > -#include <Protocol/HiiConfigRouting.h>
> > -#include <Library/HiiLib.h>
> > -#include <Library/DevicePathLib.h>
> > -#include <Library/DebugLib.h>
> > -#include <Library/BaseLib.h>
> > -#include <Library/NetLib.h>
> > -
> > -extern UINT8 IScsiConfigDxeBin[];
> > -extern UINT8 IScsi4DxeStrings[];
> > -
> > -#define ISCSI_INITATOR_NAME_VAR_NAME L"I_NAME"
> > -
> > -#define ISCSI_CONFIG_VAR_ATTR
> > (EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_NON_VOLATILE)
> > -
> > -#define ISCSI_FORM_CALLBACK_INFO_SIGNATURE SIGNATURE_32 ('I', 'f',
> > 'c', 'i')
> > -
> > -
> > -
> > -/**
> > - If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
> > PcdDebugProperyMask is clear,
> > - then this macro return a pointer to a data structure
> > ISCSI_FORM_CALLBACK_INFO.
> > -
> > - If the DEBUG_PROPERTY_DEBUG_ASSERT_ENABLED bit of
> > PcdDebugProperyMask is set,
> > - The Signature field of the data structure ISCSI_FORM_CALLBACK_INFO
> > - is compared to TestSignature. If the signatures match, then a
> pointer
> > - to the pointer to a data structure ISCSI_FORM_CALLBACK_INFO is
> returned.
> > - If the signatures do not match, then DebugAssert() is called with a
> > description
> > - of "CR has a bad signature" and Callback is returned.
> > -
> > - If the data type ISCSI_FORM_CALLBACK_INFO_SIGNATURE does not
> > contain the field
> > - specified by Callback, then the module will not compile.
> > -
> > - If ISCSI_FORM_CALLBACK_INFO_SIGNATURE does not contain a field
> > called Signature,
> > - then the module will not compile.
> > -
> > - @param Callback Pointer to the specified field within the data
> > - structure ISCSI_FORM_CALLBACK_INFO.
> > - @return A pointer to the pointer to a data structure
> > ISCSI_FORM_CALLBACK_INFO.
> > - @retval Others Some unexpected error happened.
> > -**/
> > -
> > -#define ISCSI_FORM_CALLBACK_INFO_FROM_FORM_CALLBACK(Callback)
> > \
> > - CR ( \
> > - Callback, \
> > - ISCSI_FORM_CALLBACK_INFO, \
> > - ConfigAccess, \
> > - ISCSI_FORM_CALLBACK_INFO_SIGNATURE \
> > - )
> > -
> > -#pragma pack(1)
> > -
> > -typedef struct _ISCSI_MAC_INFO {
> > - EFI_MAC_ADDRESS Mac;
> > - UINT8 Len;
> > - UINT16 VlanId;
> > -} ISCSI_MAC_INFO;
> > -
> > -typedef struct _ISCSI_DEVICE_LIST {
> > - UINT8 NumDevice;
> > - ISCSI_MAC_INFO MacInfo[1];
> > -} ISCSI_DEVICE_LIST;
> > -
> > -#pragma pack()
> > -
> > -typedef struct _ISCSI_CONFIG_FORM_ENTRY {
> > - LIST_ENTRY Link;
> > - EFI_HANDLE Controller;
> > - CHAR16 MacString[95];
> > - EFI_STRING_ID PortTitleToken;
> > - EFI_STRING_ID PortTitleHelpToken;
> > -
> > - ISCSI_SESSION_CONFIG_NVDATA SessionConfigData;
> > - ISCSI_CHAP_AUTH_CONFIG_NVDATA AuthConfigData;
> > -} ISCSI_CONFIG_FORM_ENTRY;
> > -
> > -typedef struct _ISCSI_FORM_CALLBACK_INFO {
> > - UINTN Signature;
> > - EFI_HANDLE DriverHandle;
> > - EFI_HII_CONFIG_ACCESS_PROTOCOL ConfigAccess;
> > - EFI_HII_DATABASE_PROTOCOL *HiiDatabase;
> > - EFI_HII_CONFIG_ROUTING_PROTOCOL *ConfigRouting;
> > - UINT16 *KeyList;
> > - VOID *FormBuffer;
> > - EFI_HII_HANDLE RegisteredHandle;
> > - ISCSI_CONFIG_FORM_ENTRY *Current;
> > -} ISCSI_FORM_CALLBACK_INFO;
> > -
> > -#pragma pack(1)
> > -
> > -///
> > -/// HII specific Vendor Device Path definition.
> > -///
> > -typedef struct {
> > - VENDOR_DEVICE_PATH VendorDevicePath;
> > - EFI_DEVICE_PATH_PROTOCOL End;
> > -} HII_VENDOR_DEVICE_PATH;
> > -
> > -#pragma pack()
> > -
> > -/**
> > - Updates the iSCSI configuration form to add/delete an entry for the
> iSCSI
> > - device specified by the Controller.
> > -
> > - @param[in] DriverBindingHandle The driverbinding handle.
> > - @param[in] Controller The controller handle of the iSCSI
> device.
> > - @param[in] AddForm Whether to add or delete a form entry.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> updated.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigUpdateForm (
> > - IN EFI_HANDLE DriverBindingHandle,
> > - IN EFI_HANDLE Controller,
> > - IN BOOLEAN AddForm
> > - );
> > -
> > -/**
> > - Initialize the iSCSI configuration form.
> > -
> > - @param[in] DriverBindingHandle The iSCSI driverbinding handle.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> initialized.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigFormInit (
> > - VOID
> > - );
> > -
> > -/**
> > - Unload the iSCSI configuration form, this includes: delete all the
> iSCSI
> > - device configuration entries, uninstall the form callback protocol
> and
> > - free the resources used.
> > -
> > - @param[in] DriverBindingHandle The iSCSI driverbinding handle.
> > -
> > - @retval EFI_SUCCESS The iSCSI configuration form is
> unloaded.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > -**/
> > -EFI_STATUS
> > -IScsiConfigFormUnload (
> > - IN EFI_HANDLE DriverBindingHandle
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxe.vfr
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxe.vfr
> > deleted file mode 100644
> > index 9e28d81fb40d..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxe.vfr
> > +++ /dev/null
> > @@ -1,219 +0,0 @@
> > -/** @file
> > - Vfr file for iSCSI config.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -
> > -#include "IScsiConfigNVDataStruc.h"
> > -#define EFI_NETWORK_DEVICE_CLASS 0x04
> > -
> > -formset
> > - guid = IP4_ISCSI_CONFIG_GUID,
> > - title = STRING_TOKEN(STR_ISCSI_CONFIG_FORM_TITLE),
> > - help = STRING_TOKEN(STR_ISCSI_CONFIG_FORM_HELP),
> > -
> > - varstore ISCSI_CONFIG_IFR_NVDATA,
> > - name = ISCSI_CONFIG_IFR_NVDATA,
> > - guid = IP4_ISCSI_CONFIG_GUID;
> > - form formid = FORMID_MAIN_FORM,
> > - title = STRING_TOKEN(STR_ISCSI_MAIN_FORM_TITLE);
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.InitiatorName,
> > - prompt = STRING_TOKEN(STR_ISCSI_CONFIG_INIT_NAME),
> > - help = STRING_TOKEN(STR_ISCSI_CONFIG_INIT_NAME_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_INITIATOR_NAME,
> > - minsize = ISCSI_NAME_IFR_MIN_SIZE,
> > - maxsize = ISCSI_NAME_IFR_MAX_SIZE,
> > - endstring;
> > -
> > - label DEVICE_ENTRY_LABEL;
> > - label LABEL_END;
> > -
> > - endform;
> > -
> > - form formid = FORMID_DEVICE_FORM,
> > - title = STRING_TOKEN(STR_ISCSI_DEVICE_FORM_TITLE);
> > -
> > - checkbox varid = ISCSI_CONFIG_IFR_NVDATA.Enabled,
> > - prompt = STRING_TOKEN(STR_ISCSI_DEVICE_ENABLE),
> > - help = STRING_TOKEN(STR_NULL),
> > - flags = 0,
> > - endcheckbox;
> > -
> > - checkbox varid = ISCSI_CONFIG_IFR_NVDATA.InitiatorInfoFromDhcp,
> > - prompt = STRING_TOKEN(STR_ISCSI_ENABLE_DHCP),
> > - help = STRING_TOKEN(STR_ISCSI_ENABLE_DHCP),
> > - flags = INTERACTIVE,
> > - key = KEY_DHCP_ENABLE,
> > - endcheckbox;
> > -
> > - suppressif ideqval ISCSI_CONFIG_IFR_NVDATA.InitiatorInfoFromDhcp ==
> > 0x01;
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.LocalIp,
> > - prompt = STRING_TOKEN(STR_ISCSI_LOCAL_IP_ADDRESS),
> > - help = STRING_TOKEN(STR_ISCSI_IP_ADDRESS_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_LOCAL_IP,
> > - minsize = IP_MIN_SIZE,
> > - maxsize = IP_MAX_SIZE,
> > - endstring;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.SubnetMask,
> > - prompt = STRING_TOKEN(STR_ISCSI_LOCAL_MASK),
> > - help = STRING_TOKEN(STR_ISCSI_IP_ADDRESS_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_SUBNET_MASK,
> > - minsize = IP_MIN_SIZE,
> > - maxsize = IP_MAX_SIZE,
> > - endstring;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.Gateway,
> > - prompt = STRING_TOKEN(STR_ISCSI_LOCAL_GATEWAY),
> > - help = STRING_TOKEN(STR_ISCSI_IP_ADDRESS_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_GATE_WAY,
> > - minsize = IP_MIN_SIZE,
> > - maxsize = IP_MAX_SIZE,
> > - endstring;
> > - endif;
> > -
> > - subtitle text = STRING_TOKEN(STR_NULL);
> > -
> > - suppressif ideqval ISCSI_CONFIG_IFR_NVDATA.InitiatorInfoFromDhcp ==
> > 0x00;
> > - checkbox varid = ISCSI_CONFIG_IFR_NVDATA.TargetInfoFromDhcp,
> > - prompt = STRING_TOKEN(STR_ISCSI_ENABLE_DHCP_ON_TARGET),
> > - help = STRING_TOKEN(STR_ISCSI_ENABLE_DHCP_ON_TARGET),
> > - flags = 0,
> > - endcheckbox;
> > - endif;
> > -
> > - suppressif ideqval ISCSI_CONFIG_IFR_NVDATA.TargetInfoFromDhcp ==
> > 0x01;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.TargetName,
> > - prompt = STRING_TOKEN(STR_ISCSI_TARGET_NAME),
> > - help = STRING_TOKEN(STR_ISCSI_TARGET_NAME),
> > - flags = INTERACTIVE,
> > - key = KEY_TARGET_NAME,
> > - minsize = ISCSI_NAME_IFR_MIN_SIZE,
> > - maxsize = ISCSI_NAME_IFR_MAX_SIZE,
> > - endstring;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.TargetIp,
> > - prompt = STRING_TOKEN(STR_ISCSI_TARGET_IP_ADDRESS),
> > - help = STRING_TOKEN(STR_ISCSI_IP_ADDRESS_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_TARGET_IP,
> > - minsize = IP_MIN_SIZE,
> > - maxsize = IP_MAX_SIZE,
> > - endstring;
> > -
> > - numeric varid = ISCSI_CONFIG_IFR_NVDATA.TargetPort,
> > - prompt = STRING_TOKEN(STR_ISCSI_TARGET_PORT),
> > - help = STRING_TOKEN(STR_ISCSI_TARGET_PORT),
> > - flags = 0,
> > - minimum = TARGET_PORT_MIN_NUM,
> > - maximum = TARGET_PORT_MAX_NUM,
> > - step = 0,
> > - endnumeric;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.BootLun,
> > - prompt = STRING_TOKEN(STR_ISCSI_BOOT_LUN),
> > - help = STRING_TOKEN(STR_ISCSI_BOOT_LUN_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_BOOT_LUN,
> > - minsize = LUN_MIN_SIZE,
> > - maxsize = LUN_MAX_SIZE,
> > - endstring;
> > - endif;
> > -
> > - subtitle text = STRING_TOKEN(STR_NULL);
> > -
> > - oneof varid = ISCSI_CONFIG_IFR_NVDATA.CHAPType,
> > - prompt = STRING_TOKEN(STR_CHAP_TYPE_PROMPT),
> > - help = STRING_TOKEN(STR_CHAP_TYPE_HELP),
> > - option text = STRING_TOKEN(STR_CHAP_TYPE_NONE), value =
> > ISCSI_CHAP_NONE, flags = DEFAULT;
> > - option text = STRING_TOKEN(STR_CHAP_TYPE_UNI), value =
> > ISCSI_CHAP_UNI, flags = 0;
> > - option text = STRING_TOKEN(STR_CHAP_TYPE_MUTUAL), value =
> > ISCSI_CHAP_MUTUAL, flags = 0;
> > - endoneof;
> > -
> > - suppressif ideqval ISCSI_CONFIG_IFR_NVDATA.CHAPType ==
> > ISCSI_CHAP_NONE;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.CHAPName,
> > - prompt = STRING_TOKEN(STR_ISCSI_CHAP_NAME),
> > - help = STRING_TOKEN(STR_ISCSI_CHAP_NAME),
> > - flags = INTERACTIVE,
> > - key = KEY_CHAP_NAME,
> > - minsize = 0,
> > - maxsize = ISCSI_CHAP_NAME_MAX_LEN,
> > - endstring;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.CHAPSecret,
> > - prompt = STRING_TOKEN(STR_ISCSI_CHAP_SECRET),
> > - help = STRING_TOKEN(STR_ISCSI_CHAP_SECRET_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_CHAP_SECRET,
> > - minsize = ISCSI_CHAP_SECRET_MIN_LEN,
> > - maxsize = ISCSI_CHAP_SECRET_MAX_LEN,
> > - endstring;
> > -
> > - endif;
> > -
> > - suppressif NOT ideqval ISCSI_CONFIG_IFR_NVDATA.CHAPType ==
> > ISCSI_CHAP_MUTUAL;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.ReverseCHAPName,
> > - prompt = STRING_TOKEN(STR_ISCSI_REVERSE_CHAP_NAME),
> > - help = STRING_TOKEN(STR_ISCSI_REVERSE_CHAP_NAME),
> > - flags = INTERACTIVE,
> > - key = KEY_REVERSE_CHAP_NAME,
> > - minsize = 0,
> > - maxsize = ISCSI_CHAP_NAME_MAX_LEN,
> > - endstring;
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.ReverseCHAPSecret,
> > - prompt = STRING_TOKEN(STR_ISCSI_REVERSE_CHAP_SECRET),
> > - help = STRING_TOKEN(STR_ISCSI_CHAP_SECRET_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_REVERSE_CHAP_SECRET,
> > - minsize = ISCSI_CHAP_SECRET_MIN_LEN,
> > - maxsize = ISCSI_CHAP_SECRET_MAX_LEN,
> > - endstring;
> > -
> > - endif;
> > -
> > - subtitle text = STRING_TOKEN(STR_NULL);
> > -
> > - string varid = ISCSI_CONFIG_IFR_NVDATA.IsId,
> > - prompt = STRING_TOKEN(STR_ISCSI_CONFIG_ISID),
> > - help = STRING_TOKEN(STR_ISCSI_CONFIG_ISID_HELP),
> > - flags = INTERACTIVE,
> > - key = KEY_CONFIG_ISID,
> > - minsize = ISID_CONFIGURABLE_MIN_LEN,
> > - maxsize = ISID_CONFIGURABLE_MAX_LEN,
> > - endstring;
> > -
> > - subtitle text = STRING_TOKEN(STR_NULL);
> > -
> > - text
> > - help = STRING_TOKEN (STR_SAVE_CHANGES),
> > - text = STRING_TOKEN (STR_SAVE_CHANGES),
> > - flags = INTERACTIVE,
> > - key = KEY_SAVE_CHANGES;
> > -
> > - goto FORMID_MAIN_FORM,
> > - prompt = STRING_TOKEN (STR_RETURN_MAIN_FORM),
> > - help = STRING_TOKEN (STR_RETURN_MAIN_FORM),
> > - flags = 0;
> > -
> > - endform;
> > -
> > -endformset;
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxeStrings.uni
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxeStrings.uni
> > deleted file mode 100644
> > index 729c74ebfc1b..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigDxeStrings.uni
> > +++ /dev/null
> > @@ -1,62 +0,0 @@
> > -// *++
> > -//
> > -// Copyright (c) 2004 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// Module Name:
> > -//
> > -// IScsiConfigStrings.uni
> > -//
> > -// Abstract:
> > -//
> > -// String definitions for iSCSI configuration.
> > -//
> > -// Revision History:
> > -//
> > -// --*/
> > -
> > -
> > -/=#
> > -
> > -#langdef en-US "English"
> > -
> > -#string STR_ISCSI_CONFIG_FORM_TITLE #language en-US "iSCSI
> > Configuration"
> > -#string STR_ISCSI_CONFIG_FORM_HELP #language en-US "Configure the
> > iSCSI parameters."
> > -#string STR_ISCSI_MAIN_FORM_TITLE #language en-US "iSCSI
> > Configuration"
> > -#string STR_ISCSI_CONFIG_INIT_NAME #language en-US "iSCSI
> Initiator
> > Name"
> > -#string STR_ISCSI_CONFIG_INIT_NAME_HELP #language en-US "The
> > worldwide unique name of the initiator. Only iqn. format is accepted."
> > -#string STR_ISCSI_DEVICE_FORM_TITLE #language en-US ""
> > -#string STR_ISCSI_DEVICE_ENABLE #language en-US "Enable iSCSI"
> > -#string STR_ISCSI_LOCAL_IP_ADDRESS #language en-US " Initiator IP
> > Address"
> > -#string STR_ISCSI_LOCAL_MASK #language en-US " Initiator
> Subnet
> > Mask"
> > -#string STR_ISCSI_LOCAL_GATEWAY #language en-US " Gateway"
> > -#string STR_ISCSI_IP_ADDRESS_HELP #language en-US "Enter IP
> address
> > in dotted-decimal notation."
> > -#string STR_ISCSI_TARGET_NAME #language en-US " Target Name"
> > -#string STR_ISCSI_TARGET_IP_ADDRESS #language en-US " Target IP
> > Address"
> > -#string STR_ISCSI_TARGET_PORT #language en-US " Target Port"
> > -#string STR_ISCSI_BOOT_LUN #language en-US " Boot LUN"
> > -#string STR_ISCSI_BOOT_LUN_HELP #language en-US "Hexadecimal
> > representation of the LU number. Examples are: 4752-3A4F-6b7e-2F99,
> 6734-
> > 9-156f-127, 4186-9"
> > -#string STR_ISCSI_ENABLE_DHCP #language en-US "Enable DHCP"
> > -#string STR_ISCSI_ENABLE_DHCP_ON_TARGET #language en-US "Get target
> > info via DHCP"
> > -#string STR_CHAP_TYPE_PROMPT #language en-US "CHAP Type"
> > -#string STR_CHAP_TYPE_HELP #language en-US "None, One way
> > CHAP or mutual CHAP"
> > -#string STR_CHAP_TYPE_NONE #language en-US "None"
> > -#string STR_CHAP_TYPE_UNI #language en-US "One way"
> > -#string STR_CHAP_TYPE_MUTUAL #language en-US "Mutual"
> > -#string STR_ISCSI_CHAP_NAME #language en-US " CHAP Name"
> > -#string STR_ISCSI_CHAP_SECRET #language en-US " CHAP Secret"
> > -#string STR_ISCSI_CHAP_SECRET_HELP #language en-US "The minimum
> > length is 12 bytes and the maximum length is 16 bytes."
> > -#string STR_ISCSI_REVERSE_CHAP_NAME #language en-US " Reverse
> > CHAP Name"
> > -#string STR_ISCSI_REVERSE_CHAP_SECRET #language en-US " Reverse
> > CHAP Secret"
> > -#string STR_ISCSI_CONFIG_ISID #language en-US "ISID"
> > -#string STR_ISCSI_CONFIG_ISID_HELP #language en-US "OUI-format
> ISID
> > in 6 bytes, default value are derived from MAC address. Only last 3
> bytes are
> > configurable. Example: update 0ABBCCDDEEFF to 0ABBCCF07901 by input
> > F07901."
> > -#string STR_RETURN_MAIN_FORM #language en-US "Back to
> Previous
> > Page"
> > -#string STR_SAVE_CHANGES #language en-US "Save Changes"
> > -#string STR_NULL #language en-US ""
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigNVDataStruc.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigNVDataStruc.h
> > deleted file mode 100644
> > index 7c2e4e65fa8e..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiConfigNVDataStruc.h
> > +++ /dev/null
> > @@ -1,109 +0,0 @@
> > -/** @file
> > - Define NVData structures used by the iSCSI configuration component
> > -
> > -Copyright (c) 2004 - 2011, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_NVDATASTRUC_H_
> > -#define _ISCSI_NVDATASTRUC_H_
> > -
> > -#include <Guid/Ip4IScsiConfigHii.h>
> > -
> > -#define VAR_EQ_TEST_NAME 0x100
> > -
> > -#define FORMID_MAIN_FORM 1
> > -#define FORMID_DEVICE_FORM 2
> > -
> > -#define ISCSI_NAME_MAX_SIZE 224
> > -
> > -//
> > -// Vfr has a limit on the size, it's 255 bytes.
> > -//
> > -#define ISCSI_NAME_IFR_MIN_SIZE 4
> > -#define ISCSI_NAME_IFR_MAX_SIZE 223
> > -
> > -#define IP_MIN_SIZE 7
> > -#define IP_MAX_SIZE 15
> > -#define IP4_STR_MAX_SIZE 16
> > -
> > -#define LUN_MIN_SIZE 1
> > -#define LUN_MAX_SIZE 20
> > -
> > -#define ISCSI_CHAP_NONE 0
> > -#define ISCSI_CHAP_UNI 1
> > -#define ISCSI_CHAP_MUTUAL 2
> > -
> > -#define TARGET_PORT_MIN_NUM 0
> > -#define TARGET_PORT_MAX_NUM 65535
> > -
> > -#define DEVICE_ENTRY_LABEL 0x1234
> > -#define LABEL_END 0xffff
> > -
> > -#define KEY_INITIATOR_NAME 0x101
> > -#define KEY_DHCP_ENABLE 0x102
> > -#define KEY_LOCAL_IP 0x103
> > -#define KEY_SUBNET_MASK 0x104
> > -#define KEY_GATE_WAY 0x105
> > -#define KEY_TARGET_IP 0x106
> > -#define KEY_CHAP_NAME 0x107
> > -#define KEY_CHAP_SECRET 0x108
> > -#define KEY_REVERSE_CHAP_NAME 0x109
> > -#define KEY_REVERSE_CHAP_SECRET 0x10a
> > -#define KEY_SAVE_CHANGES 0x10b
> > -#define KEY_TARGET_NAME 0x10c
> > -#define KEY_BOOT_LUN 0x10d
> > -#define KEY_CONFIG_ISID 0x10e
> > -
> > -#define KEY_DEVICE_ENTRY_BASE 0x1000
> > -
> > -#define ISCSI_LUN_STR_MAX_LEN 21
> > -#define ISCSI_CHAP_SECRET_MIN_LEN 12
> > -#define ISCSI_CHAP_SECRET_MAX_LEN 16
> > -//
> > -// ISCSI_CHAP_SECRET_STORAGE = ISCSI_CHAP_SECRET_MAX_LEN + sizeof
> > (NULL-Terminator)
> > -//
> > -#define ISCSI_CHAP_SECRET_STORAGE 17
> > -
> > -#define ISCSI_CHAP_NAME_MAX_LEN 126
> > -#define ISCSI_CHAP_NAME_STORAGE 127
> > -
> > -#define ISID_CONFIGURABLE_MIN_LEN 6
> > -#define ISID_CONFIGURABLE_MAX_LEN 12
> > -#define ISID_CONFIGURABLE_STORAGE 13
> > -
> > -#pragma pack(1)
> > -typedef struct {
> > - CHAR16 InitiatorName[ISCSI_NAME_MAX_SIZE];
> > -
> > - UINT8 Enabled;
> > -
> > - UINT8 InitiatorInfoFromDhcp;
> > - CHAR16 LocalIp[IP4_STR_MAX_SIZE];
> > - CHAR16 SubnetMask[IP4_STR_MAX_SIZE];
> > - CHAR16 Gateway[IP4_STR_MAX_SIZE];
> > -
> > - CHAR16 TargetName[ISCSI_NAME_MAX_SIZE];
> > - CHAR16 TargetIp[IP4_STR_MAX_SIZE];
> > - UINT16 TargetPort;
> > - CHAR16 BootLun[ISCSI_LUN_STR_MAX_LEN];
> > - UINT8 TargetInfoFromDhcp;
> > -
> > - UINT8 CHAPType;
> > - CHAR16 CHAPName[ISCSI_CHAP_NAME_STORAGE];
> > - CHAR16 CHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
> > - CHAR16 ReverseCHAPName[ISCSI_CHAP_NAME_STORAGE];
> > - CHAR16 ReverseCHAPSecret[ISCSI_CHAP_SECRET_STORAGE];
> > -
> > - CHAR16 IsId[ISID_CONFIGURABLE_STORAGE];
> > -} ISCSI_CONFIG_IFR_NVDATA;
> > -#pragma pack()
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.h
> > deleted file mode 100644
> > index 4c4dcaa8f68d..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDhcp.h
> > +++ /dev/null
> > @@ -1,55 +0,0 @@
> > -/** @file
> > - The header file of IScsiDhcp.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_DHCP_H_
> > -#define _ISCSI_DHCP_H_
> > -
> > -#include <Protocol/Dhcp4.h>
> > -
> > -#define ISCSI_ROOT_PATH_ID "iscsi:"
> > -#define ISCSI_ROOT_PATH_FIELD_DELIMITER ':'
> > -
> > -#define RP_FIELD_IDX_SERVERNAME 0
> > -#define RP_FIELD_IDX_PROTOCOL 1
> > -#define RP_FIELD_IDX_PORT 2
> > -#define RP_FIELD_IDX_LUN 3
> > -#define RP_FIELD_IDX_TARGETNAME 4
> > -#define RP_FIELD_IDX_MAX 5
> > -
> > -typedef struct _ISCSI_ROOT_PATH_FIELD {
> > - CHAR8 *Str;
> > - UINT8 Len;
> > -} ISCSI_ROOT_PATH_FIELD;
> > -
> > -/**
> > - Parse the DHCP ACK to get the address configuration and DNS
> information.
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller;
> > - @param[in, out] ConfigData The session configuration data.
> > -
> > - @retval EFI_SUCCESS The DNS information is got from the
> DHCP ACK.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NO_MEDIA There was a media error.
> > - @retval Others Other errors as indicated.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiDoDhcp (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller,
> > - IN OUT ISCSI_SESSION_CONFIG_DATA *ConfigData
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.h
> > deleted file mode 100644
> > index d6a619f00fc0..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDriver.h
> > +++ /dev/null
> > @@ -1,140 +0,0 @@
> > -/** @file
> > - The header file of IScsiDriver.c.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_DRIVER_H_
> > -#define _ISCSI_DRIVER_H_
> > -
> > -#include <Uefi.h>
> > -#include <Protocol/DevicePath.h>
> > -#include <Protocol/LoadedImage.h>
> > -#include <Protocol/HiiConfigAccess.h>
> > -#include <Protocol/HiiDatabase.h>
> > -#include <Library/UefiDriverEntryPoint.h>
> > -#include <Library/UefiBootServicesTableLib.h>
> > -#include <Library/UefiLib.h>
> > -#include <Library/DevicePathLib.h>
> > -#include <Protocol/DriverBinding.h>
> > -#include <Protocol/ScsiPassThruExt.h>
> > -
> > -#define ISCSI_INITIATOR_NAME_VAR_NAME L"I_NAME"
> > -
> > -typedef struct _ISCSI_PRIVATE_PROTOCOL {
> > - UINT32 Reserved;
> > -} ISCSI_PRIVATE_PROTOCOL;
> > -
> > -//
> > -// EFI Driver Binding Protocol for iSCSI driver.
> > -//
> > -
> > -/**
> > - Tests to see if this driver supports a given controller. If a child
> device is
> > provided,
> > - it further tests to see if this driver supports creating a handle for
> the
> > specified child device.
> > -
> > - @param[in] This A pointer to the
> > EFI_DRIVER_BINDING_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of the controller to test.
> This
> > handle
> > - must support a protocol interface
> that supplies
> > - an I/O abstraction to the driver.
> > - @param[in] RemainingDevicePath A pointer to the remaining portion
> of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > -
> > - @retval EFI_SUCCESS The device specified by
> ControllerHandle and
> > - RemainingDevicePath is supported by
> the driver specified
> > by This.
> > - @retval EFI_ALREADY_STARTED The device specified by
> > ControllerHandle and
> > - RemainingDevicePath is already being
> managed by the
> > driver
> > - specified by This.
> > - @retval EFI_ACCESS_DENIED The device specified by
> ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by a
> > different
> > - driver or an application that
> requires exclusive acces.
> > - Currently not implemented.
> > - @retval EFI_UNSUPPORTED The device specified by
> ControllerHandle
> > and
> > - RemainingDevicePath is not supported
> by the driver
> > specified by This.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Start this driver on ControllerHandle. The Start() function is
> designed to be
> > - invoked from the EFI boot service ConnectController(). As a result,
> much of
> > - the error checking on the parameters to Start() has been moved into
> this
> > - common boot service. It is legal to call Start() from other locations,
> > - but the following calling restrictions must be followed or the system
> > behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE.
> > - 2. If RemainingDevicePath is not NULL, then it must be a pointer to a
> > naturally aligned
> > - EFI_DEVICE_PATH_PROTOCOL.
> > - 3. Prior to calling Start(), the Supported() function for the driver
> specified
> > by This must
> > - have been called with the same calling parameters, and Supported()
> must
> > have returned EFI_SUCCESS.
> > -
> > - @param[in] This A pointer to the
> > EFI_DRIVER_BINDING_PROTOCOL instance.
> > - @param[in] ControllerHandle The handle of the controller to
> start. This
> > handle
> > - must support a protocol interface
> that supplies
> > - an I/O abstraction to the driver.
> > - @param[in] RemainingDevicePath A pointer to the remaining portion
> of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > - @retval EFI_SUCCESS The device was started.
> > - @retval EFI_DEVICE_ERROR The device could not be started due
> to a
> > device error.
> > - Currently not implemented.
> > - @retval EFI_OUT_OF_RESOURCES The request could not be completed
> > due to a lack of resources.
> > - @retval Others The driver failded to start the
> device.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Stop this driver on ControllerHandle.
> > -
> > - Release the control of this controller and remove the IScsi functions.
> The
> > Stop()
> > - function is designed to be invoked from the EFI boot service
> > DisconnectController().
> > - As a result, much of the error checking on the parameters to Stop()
> has
> > been moved
> > - into this common boot service. It is legal to call Stop() from other
> locations,
> > - but the following calling restrictions must be followed or the system
> > behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE that was used on a
> > previous call to this
> > - same driver's Start() function.
> > - 2. The first NumberOfChildren handles of ChildHandleBuffer must all
> be a
> > valid
> > - EFI_HANDLE. In addition, all of these handles must have been
> created in
> > this driver's
> > - Start() function, and the Start() function must have called
> OpenProtocol()
> > on
> > - ControllerHandle with an Attribute of
> > EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
> > -
> > - @param[in] This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param[in] ControllerHandle A handle to the device being stopped.
> The
> > handle must
> > - support a bus specific I/O protocol for
> the driver
> > - to use to stop the device.
> > - @param[in] NumberOfChildren The number of child device handles in
> > ChildHandleBuffer.Not used.
> > - @param[in] ChildHandleBuffer An array of child handles to be freed.
> May
> > be NULL
> > - if NumberOfChildren is 0.Not used.
> > -
> > - @retval EFI_SUCCESS The device was stopped.
> > - @retval EFI_DEVICE_ERROR The device could not be stopped due to
> a
> > device error.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiDriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
> > deleted file mode 100644
> > index 48729e3029f7..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
> > +++ /dev/null
> > @@ -1,134 +0,0 @@
> > -## @file
> > -# This module produces EFI iSCSI Initiator Name Protocol.
> > -#
> > -# This module produces EFI iSCSI Initiator Name Protocol upon EFI
> TCPv4
> > Protocol
> > -# and EFI DHCPv4 Protocol, to provide the capability to do the
> transport for
> > SCSI
> > -# data over TCP/IP. It installs EFI HII Configuration Access Protocol
> to
> > provide
> > -# one way to configurate the iSCSI setting. This driver only supports
> IPv4
> > network
> > -# stack.
> > -#
> > -# Notes:
> > -# 1) This driver can't co-work with the IScsiDxe driver in NetworkPkg.
> > -# 2) This driver might have some issues that have been fixed in the
> IScsiDxe
> > driver
> > -# in NetworkPkg.
> > -# 3) This driver supports fewer features than the IScsiDxe driver in
> > NetworkPkg
> > -# (e.g. IPv6, Dns support for target URL configuration, iSCSI
> keyword
> > support).
> > -# 4) IScsiDxe driver in NetworkPkg is recommended for use instead of
> this
> > one even
> > -# though both of them can be used.
> > -#
> > -# Copyright (c) 2004 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -# This program and the accompanying materials
> > -# are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -# which accompanies this distribution. The full text of the license
> may be
> > found at
> > -# http://opensource.org/licenses/bsd-license.php
> > -#
> > -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -#
> > -##
> > -
> > -[Defines]
> > - INF_VERSION = 0x00010005
> > - BASE_NAME = IScsi4Dxe
> > - MODULE_UNI_FILE = IScsi4Dxe.uni
> > - FILE_GUID = 4579B72D-7EC4-4dd4-8486-083C86B182A7
> > - MODULE_TYPE = UEFI_DRIVER
> > - VERSION_STRING = 1.0
> > - ENTRY_POINT = IScsiDriverEntryPoint
> > - UNLOAD_IMAGE = EfiIScsiUnload
> > -
> > -#
> > -# The following information is for reference only and not required by
> the
> > build tools.
> > -#
> > -# VALID_ARCHITECTURES = IA32 X64 EBC
> > -#
> > -# DRIVER_BINDING = gIScsiDriverBinding
> > -# COMPONENT_NAME = gIScsiComponentName
> > -# COMPONENT_NAME2 = gIScsiComponentName2
> > -#
> > -
> > -[Sources]
> > - IScsiTcp4Io.h
> > - IScsiProto.h
> > - IScsiMisc.h
> > - IScsiIbft.h
> > - IScsiExtScsiPassThru.h
> > - IScsiDriver.h
> > - IScsiDhcp.h
> > - IScsiCommon.h
> > - IScsiCHAP.h
> > - IScsiInitiatorName.h
> > - ComponentName.h
> > - Md5.h
> > - IScsiTcp4Io.c
> > - IScsiProto.c
> > - IScsiMisc.c
> > - IScsiInitiatorName.c
> > - IScsiIbft.c
> > - IScsiExtScsiPassThru.c
> > - IScsiDriver.c
> > - IScsiDhcp.c
> > - IScsiCHAP.c
> > - ComponentName.c
> > - Md5.c
> > - IScsiConfigDxeStrings.uni
> > - IScsiConfigDxe.vfr
> > - IScsiConfig.c
> > - IScsiConfig.h
> > - IScsiImpl.h
> > - IScsiConfigNVDataStruc.h
> > -
> > -[Packages]
> > - MdePkg/MdePkg.dec
> > - MdeModulePkg/MdeModulePkg.dec
> > -
> > -[LibraryClasses]
> > - UefiDriverEntryPoint
> > - UefiLib
> > - BaseLib
> > - UefiBootServicesTableLib
> > - UefiRuntimeServicesTableLib
> > - BaseMemoryLib
> > - MemoryAllocationLib
> > - DevicePathLib
> > - DebugLib
> > - PrintLib
> > - HiiLib
> > - NetLib
> > -
> > -[Protocols]
> > - ## PRODUCES
> > - ## UNDEFINED # Variable
> > - gEfiIScsiInitiatorNameProtocolGuid
> > - gEfiExtScsiPassThruProtocolGuid ## BY_START
> > - gEfiTcp4ProtocolGuid ## TO_START
> > - gEfiTcp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiDhcp4ProtocolGuid ## TO_START
> > - gEfiDhcp4ServiceBindingProtocolGuid ## TO_START
> > - ## TO_START
> > - ## PRODUCES
> > - gEfiDevicePathProtocolGuid
> > - gEfiHiiConfigAccessProtocolGuid ## PRODUCES
> > - gEfiHiiDatabaseProtocolGuid ## CONSUMES
> > - gEfiPciIoProtocolGuid ## SOMETIMES_CONSUMES
> > - gEfiAcpiTableProtocolGuid ## SOMETIMES_CONSUMES
> > -
> > -[Guids]
> > - gEfiEventExitBootServicesGuid ## SOMETIMES_CONSUMES
> ##
> > Event
> > - gEfiIfrTianoGuid ## SOMETIMES_PRODUCES
> ## UNDEFINED
> > - gEfiAcpiTableGuid ## SOMETIMES_CONSUMES
> ##
> > SystemTable
> > - gEfiAcpi10TableGuid ## SOMETIMES_CONSUMES
> ##
> > SystemTable
> > - ## SOMETIMES_PRODUCES ## Variable:L"iSCSIDeviceList"
> > - ## SOMETIMES_CONSUMES ## Variable:L"iSCSIDeviceList"
> > - ## SOMETIMES_CONSUMES ## UNDEFINED # HiiIsConfigHdrMatch
> > mVendorStorageName
> > - ## SOMETIMES_PRODUCES ## UNDEFINED # HiiConstructConfigHdr
> > mVendorStorageName
> > - ## SOMETIMES_PRODUCES ## UNDEFINED # HiiGetBrowserData
> > mVendorStorageName
> > - ## SOMETIMES_CONSUMES ## UNDEFINED # HiiSetBrowserData
> > mVendorStorageName
> > - ## SOMETIMES_CONSUMES ## HII
> > - gIp4IScsiConfigGuid
> > - ## SOMETIMES_PRODUCES ## Variable
> > - ## SOMETIMES_CONSUMES ## Variable
> > - gIScsiCHAPAuthInfoGuid
> > -
> > -[UserExtensions.TianoCore."ExtraFiles"]
> > - IScsi4DxeExtra.uni
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.h
> > deleted file mode 100644
> > index e635e47b9292..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiExtScsiPassThru.h
> > +++ /dev/null
> > @@ -1,22 +0,0 @@
> > -/** @file
> > - The header file of IScsiExtScsiPassThru.c.
> > -
> > -Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_EXT_SCSI_PASS_THRU_H_
> > -#define _ISCSI_EXT_SCSI_PASS_THRU_H_
> > -
> > -#include <Protocol/ScsiPassThruExt.h>
> > -
> > -extern EFI_EXT_SCSI_PASS_THRU_PROTOCOL
> > gIScsiExtScsiPassThruProtocolTemplate;
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.h
> > deleted file mode 100644
> > index 4f3828db63c6..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiIbft.h
> > +++ /dev/null
> > @@ -1,38 +0,0 @@
> > -/** @file
> > - Some extra definitions for iBFT.
> > -
> > -Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_IBFT_H_
> > -#define _ISCSI_IBFT_H_
> > -
> > -#include <IndustryStandard/Acpi.h>
> > -#include <IndustryStandard/IScsiBootFirmwareTable.h>
> > -#include <Protocol/AcpiTable.h>
> > -#include <Protocol/PciIo.h>
> > -
> > -#define IBFT_TABLE_VAR_NAME L"iBFT"
> > -#define IBFT_MAX_SIZE 4096
> > -#define IBFT_HEAP_OFFSET 2048
> > -
> > -#define IBFT_ROUNDUP(size) NET_ROUNDUP ((size),
> > EFI_ACPI_ISCSI_BOOT_FIRMWARE_TABLE_STRUCTURE_ALIGNMENT)
> > -
> > -/**
> > - Publish and remove the iSCSI Boot Firmware Table according to the
> iSCSI
> > - session status.
> > -**/
> > -VOID
> > -IScsiPublishIbft (
> > - VOID
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiImpl.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiImpl.h
> > deleted file mode 100644
> > index 8a5ee2149eb2..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiImpl.h
> > +++ /dev/null
> > @@ -1,168 +0,0 @@
> > -/** @file
> > - The header file of IScsiImpl.c.
> > -
> > -Copyright (c) 2004 - 2016, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_IMPL_H_
> > -#define _ISCSI_IMPL_H_
> > -
> > -#include <Uefi.h>
> > -
> > -#include <IndustryStandard/Dhcp.h>
> > -
> > -#include <Library/BaseMemoryLib.h>
> > -#include <Library/MemoryAllocationLib.h>
> > -#include <Library/NetLib.h>
> > -#include <Library/PrintLib.h>
> > -#include <Library/UefiRuntimeServicesTableLib.h>
> > -
> > -#include <Guid/EventGroup.h>
> > -
> > -#include "IScsiCommon.h"
> > -#include "IScsiDriver.h"
> > -#include "IScsiInitiatorName.h"
> > -#include "ComponentName.h"
> > -#include "IScsiConfigNVDataStruc.h"
> > -#include "IScsiExtScsiPassThru.h"
> > -#include "IScsiProto.h"
> > -#include "IScsiMisc.h"
> > -#include "IScsiCHAP.h"
> > -#include "IScsiConfig.h"
> > -#include "IScsiDhcp.h"
> > -#include "IScsiTcp4Io.h"
> > -#include "IScsiIbft.h"
> > -
> > -
> > -#define ISCSI_SESSION_SIGNATURE SIGNATURE_32 ('I', 'S', 'S', 'N')
> > -
> > -struct _ISCSI_SESSION {
> > - UINT32 Signature;
> > -
> > - ISCSI_SESSION_CONFIG_DATA ConfigData;
> > - ISCSI_CHAP_AUTH_DATA AuthData;
> > -
> > - CHAR8 InitiatorName[ISCSI_NAME_MAX_SIZE];
> > - UINTN InitiatorNameLength;
> > - UINT8 State;
> > -
> > - UINT8 Isid[6];
> > - UINT16 Tsih;
> > -
> > - UINT32 CmdSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > -
> > - UINT32 InitiatorTaskTag;
> > - UINT16 NextCid;
> > -
> > - LIST_ENTRY Conns;
> > - UINT32 NumConns;
> > -
> > - LIST_ENTRY TcbList;
> > -
> > - //
> > - // session-wide parameters
> > - //
> > - UINT16 TargetPortalGroupTag;
> > - UINT32 MaxConnections;
> > - BOOLEAN InitialR2T;
> > - BOOLEAN ImmediateData;
> > - UINT32 MaxBurstLength;
> > - UINT32 FirstBurstLength;
> > - UINT32 DefaultTime2Wait;
> > - UINT32 DefaultTime2Retain;
> > - UINT16 MaxOutstandingR2T;
> > - BOOLEAN DataPDUInOrder;
> > - BOOLEAN DataSequenceInOrder;
> > - UINT8 ErrorRecoveryLevel;
> > -};
> > -
> > -#define ISCSI_CONNECTION_SIGNATURE SIGNATURE_32 ('I', 'S', 'C', 'N')
> > -
> > -struct _ISCSI_CONNECTION {
> > - UINT32 Signature;
> > - LIST_ENTRY Link;
> > -
> > - EFI_EVENT TimeoutEvent;
> > -
> > - ISCSI_SESSION *Session;
> > -
> > - UINT8 State;
> > - UINT8 CurrentStage;
> > - UINT8 NextStage;
> > -
> > - UINT8 CHAPStep;
> > -
> > - BOOLEAN PartialReqSent;
> > - BOOLEAN PartialRspRcvd;
> > -
> > - BOOLEAN TransitInitiated;
> > -
> > - UINT16 Cid;
> > - UINT32 ExpStatSN;
> > -
> > - //
> > - // queues...
> > - //
> > - NET_BUF_QUEUE RspQue;
> > -
> > - TCP4_IO Tcp4Io;
> > -
> > - //
> > - // connection-only parameters
> > - //
> > - UINT32 MaxRecvDataSegmentLength;
> > - ISCSI_DIGEST_TYPE HeaderDigest;
> > - ISCSI_DIGEST_TYPE DataDigest;
> > -};
> > -
> > -#define ISCSI_DRIVER_DATA_SIGNATURE SIGNATURE_32 ('I', 'S', 'D', 'A')
> > -
> > -#define ISCSI_DRIVER_DATA_FROM_EXT_SCSI_PASS_THRU(PassThru) \
> > - CR ( \
> > - PassThru, \
> > - ISCSI_DRIVER_DATA, \
> > - IScsiExtScsiPassThru, \
> > - ISCSI_DRIVER_DATA_SIGNATURE \
> > - )
> > -#define ISCSI_DRIVER_DATA_FROM_IDENTIFIER(Identifier) \
> > - CR ( \
> > - Identifier, \
> > - ISCSI_DRIVER_DATA, \
> > - IScsiIdentifier, \
> > - ISCSI_DRIVER_DATA_SIGNATURE \
> > - )
> > -#define ISCSI_DRIVER_DATA_FROM_SESSION(s) \
> > - CR ( \
> > - s, \
> > - ISCSI_DRIVER_DATA, \
> > - Session, \
> > - ISCSI_DRIVER_DATA_SIGNATURE \
> > - )
> > -
> > -struct _ISCSI_DRIVER_DATA {
> > - UINT32 Signature;
> > - EFI_HANDLE Image;
> > - EFI_HANDLE Controller;
> > - ISCSI_PRIVATE_PROTOCOL IScsiIdentifier;
> > - EFI_HANDLE ChildHandle;
> > - EFI_EVENT ExitBootServiceEvent;
> > -
> > - EFI_EXT_SCSI_PASS_THRU_PROTOCOL IScsiExtScsiPassThru;
> > - EFI_EXT_SCSI_PASS_THRU_MODE ExtScsiPassThruMode;
> > - EFI_HANDLE ExtScsiPassThruHandle;
> > - EFI_DEVICE_PATH_PROTOCOL *DevicePath;
> > -
> > - ISCSI_SESSION Session;
> > -};
> > -
> > -#endif
> > diff --git
> > a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.h
> > deleted file mode 100644
> > index f967fb383095..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiInitiatorName.h
> > +++ /dev/null
> > @@ -1,74 +0,0 @@
> > -/** @file
> > - The header file for EFI iSCSI Initiator Name Protocol.
> > -
> > -Copyright (c) 2004 - 2008, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_INITIATOR_NAME_H_
> > -#define _ISCSI_INITIATOR_NAME_H_
> > -
> > -#include <Protocol/IScsiInitiatorName.h>
> > -
> > -extern EFI_ISCSI_INITIATOR_NAME_PROTOCOL gIScsiInitiatorName;
> > -
> > -//
> > -// EFI iSCSI Initiator Name Protocol for IScsi driver.
> > -//
> > -
> > -/**
> > - Retrieves the current set value of iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer
> > / Actual size of the
> > - variable data buffer.
> > - @param[out] Buffer Pointer to the buffer for data to be read.
> > -
> > - @retval EFI_SUCCESS Data was successfully retrieved into
> the
> > provided buffer and the
> > - BufferSize was sufficient to handle the
> iSCSI initiator name.
> > - @retval EFI_BUFFER_TOO_SMALL BufferSize is too small for the result.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL.
> > - @retval EFI_DEVICE_ERROR The iSCSI initiator name could not be
> > retrieved due to a hardware error.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiGetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - OUT VOID *Buffer
> > - );
> > -
> > -/**
> > - Sets the iSCSI Initiator Name.
> > -
> > - @param[in] This Pointer to the
> > EFI_ISCSI_INITIATOR_NAME_PROTOCOL instance.
> > - @param[in, out] BufferSize Size of the buffer in bytes pointed to by
> Buffer.
> > - @param[in] Buffer Pointer to the buffer for data to be
> written.
> > -
> > - @retval EFI_SUCCESS Data was successfully stored by the
> protocol.
> > - @retval EFI_UNSUPPORTED Platform policies do not allow for data
> to be
> > written.
> > - Currently not implemented.
> > - @retval EFI_INVALID_PARAMETER BufferSize or Buffer is NULL, or
> > BufferSize exceeds the maximum allowed limit.
> > - @retval EFI_DEVICE_ERROR The data could not be stored due to a
> > hardware error.
> > - @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold
> > the data.
> > - @retval EFI_PROTOCOL_ERROR Input iSCSI initiator name does not
> > adhere to RFC 3720
> > - (and other related protocols).
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiSetInitiatorName (
> > - IN EFI_ISCSI_INITIATOR_NAME_PROTOCOL *This,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *Buffer
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h
> > deleted file mode 100644
> > index 500e00373b25..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiMisc.h
> > +++ /dev/null
> > @@ -1,317 +0,0 @@
> > -/** @file
> > - Miscellaneous definitions for iSCSI driver.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_MISC_H_
> > -#define _ISCSI_MISC_H_
> > -
> > -#include <Library/BaseLib.h>
> > -
> > -typedef struct _ISCSI_SESSION_CONFIG_DATA
> > ISCSI_SESSION_CONFIG_DATA;
> > -
> > -///
> > -/// IPv4 Device Path Node Length
> > -///
> > -#define IP4_NODE_LEN_NEW_VERSIONS 27
> > -
> > -#pragma pack(1)
> > -typedef struct {
> > - BOOLEAN Enabled;
> > -
> > - BOOLEAN InitiatorInfoFromDhcp;
> > - EFI_IPv4_ADDRESS LocalIp;
> > - EFI_IPv4_ADDRESS SubnetMask;
> > - EFI_IPv4_ADDRESS Gateway;
> > -
> > - BOOLEAN TargetInfoFromDhcp;
> > - CHAR8 TargetName[ISCSI_NAME_MAX_SIZE];
> > - EFI_IPv4_ADDRESS TargetIp;
> > - UINT16 TargetPort;
> > - UINT8 BootLun[8];
> > -
> > - UINT8 IsId[6];
> > -} ISCSI_SESSION_CONFIG_NVDATA;
> > -#pragma pack()
> > -
> > -struct _ISCSI_SESSION_CONFIG_DATA {
> > - ISCSI_SESSION_CONFIG_NVDATA NvData;
> > -
> > - EFI_IPv4_ADDRESS PrimaryDns;
> > - EFI_IPv4_ADDRESS SecondaryDns;
> > - EFI_IPv4_ADDRESS DhcpServer;
> > -};
> > -
> > -/**
> > - Calculate the prefix length of the IPv4 subnet mask.
> > -
> > - @param[in] SubnetMask The IPv4 subnet mask.
> > -
> > - @return The prefix length of the subnet mask.
> > - @retval 0 Other errors as indicated.
> > -**/
> > -UINT8
> > -IScsiGetSubnetMaskPrefixLength (
> > - IN EFI_IPv4_ADDRESS *SubnetMask
> > - );
> > -
> > -/**
> > - Convert the hexadecimal encoded LUN string into the 64-bit LUN.
> > -
> > - @param[in] Str The hexadecimal encoded LUN string.
> > - @param[out] Lun Storage to return the 64-bit LUN.
> > -
> > - @retval EFI_SUCCESS The 64-bit LUN is stored in Lun.
> > - @retval EFI_INVALID_PARAMETER The string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiAsciiStrToLun (
> > - IN CHAR8 *Str,
> > - OUT UINT8 *Lun
> > - );
> > -
> > -/**
> > - Convert the 64-bit LUN into the hexadecimal encoded LUN string.
> > -
> > - @param[in] Lun The 64-bit LUN.
> > - @param[out] Str The storage to return the hexadecimal encoded LUN
> > string.
> > -**/
> > -VOID
> > -IScsiLunToUnicodeStr (
> > - IN UINT8 *Lun,
> > - OUT CHAR16 *Str
> > - );
> > -
> > -/**
> > - Convert the ASCII string into a UNICODE string.
> > -
> > - @param[in] Source The ASCII string.
> > - @param[out] Destination The storage to return the UNICODE string.
> > -
> > - @return CHAR16 * Pointer to the UNICODE string.
> > -**/
> > -CHAR16 *
> > -IScsiAsciiStrToUnicodeStr (
> > - IN CHAR8 *Source,
> > - OUT CHAR16 *Destination
> > - );
> > -
> > -/**
> > - Convert the UNICODE string into an ASCII string.
> > -
> > - @param[in] Source The UNICODE string.
> > - @param[out] Destination The storage to return the ASCII string.
> > -
> > - @return CHAR8 * Pointer to the ASCII string.
> > -**/
> > -CHAR8 *
> > -IScsiUnicodeStrToAsciiStr (
> > - IN CHAR16 *Source,
> > - OUT CHAR8 *Destination
> > - );
> > -
> > -/**
> > - Convert the mac address into a hexadecimal encoded "-" seperated
> string.
> > -
> > - @param[in] Mac The mac address.
> > - @param[in] Len Length in bytes of the mac address.
> > - @param[in] VlanId VLAN ID of the network device.
> > - @param[out] Str The storage to return the mac string.
> > -**/
> > -VOID
> > -IScsiMacAddrToStr (
> > - IN EFI_MAC_ADDRESS *Mac,
> > - IN UINT32 Len,
> > - IN UINT16 VlanId,
> > - OUT CHAR16 *Str
> > - );
> > -
> > -/**
> > - Convert the decimal dotted IPv4 address into the binary IPv4 address.
> > -
> > - @param[in] Str The UNICODE string.
> > - @param[out] Ip The storage to return the ASCII string.
> > -
> > - @retval EFI_SUCCESS The binary IP address is returned in Ip.
> > - @retval EFI_INVALID_PARAMETER The IP string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiAsciiStrToIp (
> > - IN CHAR8 *Str,
> > - OUT EFI_IPv4_ADDRESS *Ip
> > - );
> > -
> > -/**
> > - Convert the binary encoded buffer into a hexadecimal encoded string.
> > -
> > - @param[in] BinBuffer The buffer containing the binary data.
> > - @param[in] BinLength Length of the binary buffer.
> > - @param[in, out] HexStr Pointer to the string.
> > - @param[in, out] HexLength The length of the string.
> > -
> > - @retval EFI_SUCCESS The binary data is converted to the
> hexadecimal
> > string
> > - and the length of the string is updated.
> > - @retval EFI_BUFFER_TOO_SMALL The string is too small.
> > - @retval EFI_INVALID_PARAMETER The IP string is malformatted.
> > -**/
> > -EFI_STATUS
> > -IScsiBinToHex (
> > - IN UINT8 *BinBuffer,
> > - IN UINT32 BinLength,
> > - IN OUT CHAR8 *HexStr,
> > - IN OUT UINT32 *HexLength
> > - );
> > -
> > -/**
> > - Convert the hexadecimal string into a binary encoded buffer.
> > -
> > - @param[in, out] BinBuffer The binary buffer.
> > - @param[in, out] BinLength Length of the binary buffer.
> > - @param[in] HexStr The hexadecimal string.
> > -
> > - @retval EFI_SUCCESS The hexadecimal string is converted into
> a binary
> > - encoded buffer.
> > - @retval EFI_BUFFER_TOO_SMALL The binary buffer is too small to hold
> the
> > converted data.
> > -**/
> > -EFI_STATUS
> > -IScsiHexToBin (
> > - IN OUT UINT8 *BinBuffer,
> > - IN OUT UINT32 *BinLength,
> > - IN CHAR8 *HexStr
> > - );
> > -
> > -/**
> > - Generate random numbers.
> > -
> > - @param[in, out] Rand The buffer to contain random numbers.
> > - @param[in] RandLength The length of the Rand buffer.
> > -**/
> > -VOID
> > -IScsiGenRandom (
> > - IN OUT UINT8 *Rand,
> > - IN UINTN RandLength
> > - );
> > -
> > -/**
> > - Create the iSCSI driver data..
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller.
> > -
> > - @return The iSCSI driver data created.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -ISCSI_DRIVER_DATA *
> > -IScsiCreateDriverData (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller
> > - );
> > -
> > -/**
> > - Clean the iSCSI driver data.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCES The clean operation is successful.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiCleanDriverData (
> > - IN ISCSI_DRIVER_DATA *Private
> > - );
> > -
> > -/**
> > - Check wheather the Controller is configured to use DHCP protocol.
> > -
> > - @param[in] Controller The handle of the controller.
> > -
> > - @retval TRUE The handle of the controller need
> the Dhcp
> > protocol.
> > - @retval FALSE The handle of the controller does
> not need the
> > Dhcp protocol.
> > -
> > -**/
> > -BOOLEAN
> > -IScsiDhcpIsConfigured (
> > - IN EFI_HANDLE Controller
> > - );
> > -
> > -/**
> > - Get the various configuration data of this iSCSI instance.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCESS The configuration of this instance is got.
> > - @retval EFI_ABORTED The operation was aborted.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiGetConfigData (
> > - IN ISCSI_DRIVER_DATA *Private
> > - );
> > -
> > -/**
> > - Get the device path of the iSCSI tcp connection and update it.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @return The updated device path.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -EFI_DEVICE_PATH_PROTOCOL *
> > -IScsiGetTcpConnDevicePath (
> > - IN ISCSI_DRIVER_DATA *Private
> > - );
> > -
> > -/**
> > - Abort the session when the transition from BS to RT is initiated.
> > -
> > - @param[in] Event The event signaled.
> > - @param[in] Context The iSCSI driver data.
> > -**/
> > -VOID
> > -EFIAPI
> > -IScsiOnExitBootService (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - );
> > -
> > -/**
> > - Tests whether a controller handle is being managed by IScsi driver.
> > -
> > - This function tests whether the driver specified by
> DriverBindingHandle is
> > - currently managing the controller specified by ControllerHandle.
> This test
> > - is performed by evaluating if the the protocol specified by
> ProtocolGuid is
> > - present on ControllerHandle and is was opened by DriverBindingHandle
> > and Nic
> > - Device handle with an attribute of EFI_OPEN_PROTOCOL_BY_DRIVER.
> > - If ProtocolGuid is NULL, then ASSERT().
> > -
> > - @param ControllerHandle A handle for a controller to test.
> > - @param DriverBindingHandle Specifies the driver binding handle for
> the
> > - driver.
> > - @param ProtocolGuid Specifies the protocol that the driver
> specified
> > - by DriverBindingHandle opens in its
> Start()
> > - function.
> > -
> > - @retval EFI_SUCCESS ControllerHandle is managed by the
> driver
> > - specified by DriverBindingHandle.
> > - @retval EFI_UNSUPPORTED ControllerHandle is not managed by the
> > driver
> > - specified by DriverBindingHandle.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -IScsiTestManagedDevice (
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_HANDLE DriverBindingHandle,
> > - IN EFI_GUID *ProtocolGuid
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.h
> > deleted file mode 100644
> > index 6469df0434a1..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiProto.h
> > +++ /dev/null
> > @@ -1,1005 +0,0 @@
> > -/** @file
> > - The header file of iSCSI Protocol that defines many specific data
> structures.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_PROTO_H_
> > -#define _ISCSI_PROTO_H_
> > -
> > -#include <Protocol/ScsiPassThruExt.h>
> > -
> > -//
> > -// RFC 1982 Serial Number Arithmetic, SERIAL_BITS = 32
> > -//
> > -#define ISCSI_SEQ_EQ(s1, s2) ((s1) == (s2))
> > -#define ISCSI_SEQ_LT(s1, s2) \
> > - ( \
> > - (((INT32) (s1) < (INT32) (s2)) && (s2 - s1) < ((UINT32) 1 << 31))
> || \
> > - (((INT32) (s1) > (INT32) (s2)) && (s1 - s2) > ((UINT32) 1 << 31))
> \
> > - )
> > -#define ISCSI_SEQ_GT(s1, s2) \
> > - ( \
> > - (((INT32) (s1) < (INT32) (s2)) && (s2 - s1) > ((UINT32) 1 << 31))
> || \
> > - (((INT32) (s1) > (INT32) (s2)) && (s1 - s2) < ((UINT32) 1 << 31))
> \
> > - )
> > -
> > -#define ISCSI_WELL_KNOWN_PORT 3260
> > -#define ISCSI_MAX_CONNS_PER_SESSION 1
> > -
> > -#define DEFAULT_MAX_RECV_DATA_SEG_LEN 8192
> > -#define MAX_RECV_DATA_SEG_LEN_IN_FFP 65536
> > -#define DEFAULT_MAX_OUTSTANDING_R2T 1
> > -
> > -#define ISCSI_VERSION_MAX 0x00
> > -#define ISCSI_VERSION_MIN 0x00
> > -
> > -#define ISCSI_CHECK_MEDIA_LOGIN_WAITING_TIME
> > EFI_TIMER_PERIOD_SECONDS(20)
> > -#define ISCSI_CHECK_MEDIA_GET_DHCP_WAITING_TIME
> > EFI_TIMER_PERIOD_SECONDS(20)
> > -
> > -#define ISCSI_KEY_AUTH_METHOD "AuthMethod"
> > -#define ISCSI_KEY_HEADER_DIGEST "HeaderDigest"
> > -#define ISCSI_KEY_DATA_DIGEST "DataDigest"
> > -#define ISCSI_KEY_MAX_CONNECTIONS "MaxConnections"
> > -#define ISCSI_KEY_TARGET_NAME "TargetName"
> > -#define ISCSI_KEY_INITIATOR_NAME "InitiatorName"
> > -#define ISCSI_KEY_TARGET_ALIAS "TargetAlias"
> > -#define ISCSI_KEY_INITIATOR_ALIAS "InitiatorAlias"
> > -#define ISCSI_KEY_TARGET_ADDRESS "TargetAddress"
> > -#define ISCSI_KEY_INITIAL_R2T "InitialR2T"
> > -#define ISCSI_KEY_IMMEDIATE_DATA "ImmediateData"
> > -#define ISCSI_KEY_TARGET_PORTAL_GROUP_TAG
> > "TargetPortalGroupTag"
> > -#define ISCSI_KEY_MAX_BURST_LENGTH "MaxBurstLength"
> > -#define ISCSI_KEY_FIRST_BURST_LENGTH "FirstBurstLength"
> > -#define ISCSI_KEY_DEFAULT_TIME2WAIT "DefaultTime2Wait"
> > -#define ISCSI_KEY_DEFAULT_TIME2RETAIN "DefaultTime2Retain"
> > -#define ISCSI_KEY_MAX_OUTSTANDING_R2T "MaxOutstandingR2T"
> > -#define ISCSI_KEY_DATA_PDU_IN_ORDER "DataPDUInOrder"
> > -#define ISCSI_KEY_DATA_SEQUENCE_IN_ORDER
> > "DataSequenceInOrder"
> > -#define ISCSI_KEY_ERROR_RECOVERY_LEVEL "ErrorRecoveryLevel"
> > -#define ISCSI_KEY_SESSION_TYPE "SessionType"
> > -#define ISCSI_KEY_MAX_RECV_DATA_SEGMENT_LENGTH
> > "MaxRecvDataSegmentLength"
> > -
> > -#define ISCSI_KEY_VALUE_NONE "None"
> > -
> > -///
> > -/// connection state for initiator
> > -///
> > -
> > -#define CONN_STATE_FREE 0
> > -#define CONN_STATE_XPT_WAIT 1
> > -#define CONN_STATE_IN_LOGIN 2
> > -#define CONN_STATE_LOGGED_IN 3
> > -#define CONN_STATE_IN_LOGOUT 4
> > -#define CONN_STATE_LOGOUT_REQUESTED 5
> > -#define CONN_STATE_CLEANUP_WAIT 6
> > -#define CONN_STATE_IN_CLEANUP 7
> > -
> > -///
> > -/// session state for initiator
> > -///
> > -#define SESSION_STATE_FREE 0
> > -#define SESSION_STATE_LOGGED_IN 1
> > -#define SESSION_STATE_FAILED 2
> > -
> > -typedef enum {
> > - DataIn = 0,
> > - DataOut = 1,
> > - DataBi = 2
> > -} DATA_DIRECTION;
> > -
> > -#define ISCSI_RESERVED_TAG 0xffffffff
> > -
> > -#define ISCSI_REQ_IMMEDIATE 0x40
> > -#define ISCSI_OPCODE_MASK 0x3F
> > -
> > -#define ISCSI_SET_OPCODE(PduHdr, Op, Flgs) ((((ISCSI_BASIC_HEADER *)
> > (PduHdr))->OpCode) = ((Op) | (Flgs)))
> > -#define ISCSI_GET_OPCODE(PduHdr) ((((ISCSI_BASIC_HEADER *)
> > (PduHdr))->OpCode) & ISCSI_OPCODE_MASK)
> > -#define ISCSI_CHECK_OPCODE(PduHdr, Op) ((((PduHdr)->OpCode) &
> > ISCSI_OPCODE_MASK) == (Op))
> > -#define ISCSI_IMMEDIATE_ON(PduHdr) ((PduHdr)->OpCode &
> > ISCSI_REQ_IMMEDIATE)
> > -#define ISCSI_SET_FLAG(PduHdr, Flag) (((ISCSI_BASIC_HEADER *)
> > (PduHdr))->Flags |= (BOOLEAN)(Flag))
> > -#define ISCSI_CLEAR_FLAG(PduHdr, Flag) (((ISCSI_BASIC_HEADER *)
> > (PduHdr))->Flags &= ~(Flag))
> > -#define ISCSI_FLAG_ON(PduHdr, Flag) ((((ISCSI_BASIC_HEADER *)
> > (PduHdr))->Flags & (Flag)) == (Flag))
> > -#define ISCSI_SET_STAGES(PduHdr, Cur, Nxt) ((PduHdr)->Flags = (UINT8)
> > ((PduHdr)->Flags | ((Cur) << 2 | (Nxt))))
> > -#define ISCSI_GET_CURRENT_STAGE(PduHdr) (((PduHdr)->Flags >> 2) &
> > 0x3)
> > -#define ISCSI_GET_NEXT_STAGE(PduHdr) (((PduHdr)->Flags) & 0x3)
> > -
> > -#define ISCSI_GET_PAD_LEN(DataLen) ((~(DataLen) + 1) & 0x3)
> > -#define ISCSI_ROUNDUP(DataLen) (((DataLen) + 3) &~(0x3))
> > -
> > -#define HTON24(Dst, Src) \
> > - do { \
> > - (Dst)[0] = (UINT8) (((Src) >> 16) & 0xFF); \
> > - (Dst)[1] = (UINT8) (((Src) >> 8) & 0xFF); \
> > - (Dst)[2] = (UINT8) ((Src) & 0xFF); \
> > - } while (0);
> > -
> > -#define NTOH24(src) (((src)[0] << 16) |
> ((src)[1] << 8) | ((src)[2]))
> > -
> > -#define ISCSI_GET_DATASEG_LEN(PduHdr) NTOH24
> > (((ISCSI_BASIC_HEADER *) (PduHdr))->DataSegmentLength)
> > -#define ISCSI_SET_DATASEG_LEN(PduHdr, Len) HTON24
> > (((ISCSI_BASIC_HEADER *) (PduHdr))->DataSegmentLength, (Len))
> > -
> > -//
> > -// initiator opcodes
> > -//
> > -#define ISCSI_OPCODE_NOP_OUT 0x00
> > -#define ISCSI_OPCODE_SCSI_CMD 0x01
> > -#define ISCSI_OPCODE_SCSI_TMF_REQ 0x02
> > -#define ISCSI_OPCODE_LOGIN_REQ 0x03
> > -#define ISCSI_OPCODE_TEXT_REQ 0x04
> > -#define ISCSI_OPCODE_SCSI_DATA_OUT 0x05
> > -#define ISCSI_OPCODE_LOGOUT_REQ 0x06
> > -#define ISCSI_OPCODE_SNACK_REQ 0x10
> > -#define ISCSI_OPCODE_VENDOR_I0 0x1c
> > -#define ISCSI_OPCODE_VENDOR_I1 0x1d
> > -#define ISCSI_OPCODE_VENDOR_I2 0x1e
> > -
> > -//
> > -// target opcodes
> > -//
> > -#define ISCSI_OPCODE_NOP_IN 0x20
> > -#define ISCSI_OPCODE_SCSI_RSP 0x21
> > -#define ISCSI_OPCODE_SCSI_TMF_RSP 0x22
> > -#define ISCSI_OPCODE_LOGIN_RSP 0x23
> > -#define ISCSI_OPCODE_TEXT_RSP 0x24
> > -#define ISCSI_OPCODE_SCSI_DATA_IN 0x25
> > -#define ISCSI_OPCODE_LOGOUT_RSP 0x26
> > -#define ISCSI_OPCODE_R2T 0x31
> > -#define ISCSI_OPCODE_ASYNC_MSG 0x32
> > -#define ISCSI_OPCODE_VENDOR_T0 0x3c
> > -#define ISCSI_OPCODE_VENDOR_T1 0x3d
> > -#define ISCSI_OPCODE_VENDOR_T2 0x3e
> > -#define ISCSI_OPCODE_REJECT 0x3f
> > -
> > -#define ISCSI_BHS_FLAG_FINAL 0x80
> > -
> > -///
> > -/// iSCSI Basic Header Segment
> > -///
> > -typedef struct _ISCSI_BASIC_HEADER {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT16 OpCodeSpecific1;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 OpCodeSpecific2[7];
> > -} ISCSI_BASIC_HEADER;
> > -
> > -//
> > -// Defined AHS types, others are reserved.
> > -//
> > -#define ISCSI_AHS_TYPE_EXT_CDB 0x1
> > -#define ISCSI_AHS_TYPE_BI_EXP_READ_DATA_LEN 0x2
> > -
> > -typedef struct _ISCSI_ADDTIONAL_HEADER {
> > - UINT16 Length;
> > - UINT8 Type;
> > - UINT8 TypeSpecific[1];
> > -} ISCSI_ADDITIONAL_HEADER;
> > -
> > -typedef struct _ISCSI_BI_EXP_READ_DATA_LEN_AHS {
> > - UINT16 Length;
> > - UINT8 Type;
> > - UINT8 Reserved;
> > - UINT32 ExpReadDataLength;
> > -} ISCSI_BI_EXP_READ_DATA_LEN_AHS;
> > -
> > -#define SCSI_CMD_PDU_FLAG_READ 0x40
> > -#define SCSI_CMD_PDU_FLAG_WRITE 0x20
> > -
> > -#define ISCSI_CMD_PDU_TASK_ATTR_MASK 0x07
> > -
> > -//
> > -// task attributes
> > -//
> > -#define ISCSI_TASK_ATTR_UNTAGGED 0x00
> > -#define ISCSI_TASK_ATTR_SIMPLE 0x01
> > -#define ISCSI_TASK_ATTR_ORDERD 0x02
> > -#define ISCSI_TASK_ATTR_HOQ 0x03
> > -#define ISCSI_TASK_ATTR_ACA 0x04
> > -
> > -///
> > -/// SCSI Command
> > -///
> > -typedef struct _SCSI_COMMAND {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT16 Reserved;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 ExpDataXferLength;
> > - UINT32 CmdSN;
> > - UINT32 ExpStatSN;
> > - UINT8 Cdb[16];
> > -} SCSI_COMMAND;
> > -
> > -//
> > -// flag bit definitions in SCSI response
> > -//
> > -#define SCSI_RSP_PDU_FLAG_BI_READ_OVERFLOW 0x10
> > -#define SCSI_RSP_PDU_FLAG_BI_READ_UNDERFLOW 0x08
> > -#define SCSI_RSP_PDU_FLAG_OVERFLOW 0x04
> > -#define SCSI_RSP_PDU_FLAG_UNDERFLOW 0x02
> > -
> > -//
> > -// iSCSI service response codes
> > -//
> > -#define ISCSI_SERVICE_RSP_COMMAND_COMPLETE_AT_TARGET 0x00
> > -#define ISCSI_SERVICE_RSP_TARGET_FAILURE 0x01
> > -
> > -///
> > -/// SCSI Response
> > -///
> > -typedef struct _SCSI_RESPONSE {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT8 Response;
> > - UINT8 Status;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Reserved[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 SNACKTag;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 ExpDataSN;
> > - UINT32 BiReadResidualCount;
> > - UINT32 ResidualCount;
> > -} SCSI_RESPONSE;
> > -
> > -typedef struct _ISCSI_SENSE_DATA {
> > - UINT16 Length;
> > - UINT8 Data[2];
> > -} ISCSI_SENSE_DATA;
> > -
> > -///
> > -/// iSCSI Task Managment Function Request
> > -///
> > -typedef struct _ISCSI_TMF_REQUEST {
> > - UINT8 OpCode;
> > - UINT8 Fuction;
> > - UINT16 Reserved1;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 ReferencedTaskTag;
> > - UINT32 CmdSN;
> > - UINT32 ExpStatSN;
> > - UINT32 RefCmdSN;
> > - UINT32 ExpDataSN;
> > - UINT32 Reserved2[2];
> > -} ISCSI_TMF_REQUEST;
> > -
> > -#define ISCSI_TMF_RSP_PDU_RSP_FUNCTION_COMPLETE 0
> > -#define ISCSI_TMF_RSP_PDU_RSP_TASK_NOT_EXIST 1
> > -#define ISCSI_TMF_RSP_PDU_RSP_LUN_NOT_EXIST 2
> > -#define ISCSI_TMF_RSP_PDU_RSP_TASK_STILL_ALLEGIANT 3
> > -#define ISCSI_TMF_RSP_PDU_RSP_TASK_REASSGIN_NOT_SUPPORTED 4
> > -#define ISCSI_TMF_RSP_PDU_RSP_NOT_SUPPORTED 5
> > -#define ISCSI_TMF_RSP_PDU_RSP_FUNCTION_AHTH_FAILED 6
> > -#define ISCSI_TMF_RSP_PDU_RSP_FUNCTION_REJECTED 255
> > -
> > -///
> > -/// iSCSI Task Management Function Response
> > -///
> > -typedef struct _ISCSI_TMF_RESPONSE {
> > - UINT8 OpCode;
> > - UINT8 Reserved1;
> > - UINT8 Response;
> > - UINT8 Reserved2;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT32 Reserver3[2];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 Reserved4;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 Reserved[3];
> > -} ISCSI_TMF_RESPONSE;
> > -
> > -///
> > -/// SCSI Data-Out
> > -///
> > -typedef struct _ISCSI_SCSI_DATA_OUT {
> > - UINT8 OpCode;
> > - UINT8 Reserved1[3];
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 Reserved2;
> > - UINT32 ExpStatSN;
> > - UINT32 Reserved3;
> > - UINT32 DataSN;
> > - UINT32 BufferOffset;
> > - UINT32 Reserved4;
> > -} ISCSI_SCSI_DATA_OUT;
> > -
> > -#define SCSI_DATA_IN_PDU_FLAG_ACKKNOWLEDGE 0x40
> > -#define SCSI_DATA_IN_PDU_FLAG_OVERFLOW
> > SCSI_RSP_PDU_FLAG_OVERFLOW
> > -#define SCSI_DATA_IN_PDU_FLAG_UNDERFLOW
> > SCSI_RSP_PDU_FLAG_UNDERFLOW
> > -#define SCSI_DATA_IN_PDU_FLAG_STATUS_VALID 0x01
> > -
> > -///
> > -/// SCSI Data-In
> > -///
> > -typedef struct _ISCSI_SCSI_DATA_IN {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT8 Reserved1;
> > - UINT8 Status;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 DataSN;
> > - UINT32 BufferOffset;
> > - UINT32 ResidualCount;
> > -} ISCSI_SCSI_DATA_IN;
> > -
> > -#define ISCSI_GET_BUFFER_OFFSET(PduHdr) NTOHL
> > (((ISCSI_SCSI_DATA_IN *) (PduHdr))->BufferOffset)
> > -
> > -///
> > -/// Ready To Transfer
> > -///
> > -typedef struct _ISCSI_READY_TO_TRANSFER {
> > - UINT8 OpCode;
> > - UINT8 Reserved1[3];
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 R2TSeqNum;
> > - UINT32 BufferOffset;
> > - UINT32 DesiredDataTransferLength;
> > -} ISCSI_READY_TO_TRANSFER;
> > -
> > -typedef struct _ISCSI_ASYNC_MESSAGE {
> > - UINT8 OpCode;
> > - UINT8 Reserved1[8];
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 Reserved2;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT8 AsyncEvent;
> > - UINT8 AsyncVCode;
> > - UINT16 Parameter1;
> > - UINT16 Parameter2;
> > - UINT16 Parameter3;
> > - UINT32 Reserved3;
> > -} ISCSI_ASYNC_MESSAGE;
> > -
> > -#define ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT 0x80
> > -#define ISCSI_LOGIN_REQ_PDU_FLAG_CONTINUE 0x40
> > -
> > -///
> > -/// Login Request
> > -///
> > -typedef struct _ISCSI_LOGIN_REQUEST {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT8 VersionMax;
> > - UINT8 VersionMin;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Isid[6];
> > - UINT16 Tsih;
> > - UINT32 InitiatorTaskTag;
> > - UINT16 Cid;
> > - UINT16 Reserved1;
> > - UINT32 CmdSN;
> > - UINT32 ExpStatSN;
> > - UINT32 Reserved2[4];
> > -} ISCSI_LOGIN_REQUEST;
> > -
> > -#define ISCSI_LOGIN_RSP_PDU_FLAG_TRANSIT
> > ISCSI_LOGIN_REQ_PDU_FLAG_TRANSIT
> > -#define ISCSI_LOGIN_RSP_PDU_FLAG_CONTINUE
> > ISCSI_LOGIN_REQ_PDU_FLAG_CONTINUE
> > -
> > -#define ISCSI_LOGIN_STATUS_SUCCESS 0
> > -#define ISCSI_LOGIN_STATUS_REDIRECTION 1
> > -#define ISCSI_LOGIN_STATUS_INITIATOR_ERROR 2
> > -#define ISCSI_LOGIN_STATUS_TARGET_ERROR 3
> > -
> > -///
> > -/// Login Response
> > -///
> > -typedef struct _ISCSI_LOGIN_RESPONSE {
> > - UINT8 OpCode;
> > - UINT8 Flags;
> > - UINT8 VersionMax;
> > - UINT8 VersionActive;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Isid[6];
> > - UINT16 Tsih;
> > - UINT32 InitiatorTaskTag;
> > - UINT32 Reserved1;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT8 StatusClass;
> > - UINT8 StatusDetail;
> > - UINT8 Reserved2[10];
> > -} ISCSI_LOGIN_RESPONSE;
> > -
> > -#define ISCSI_LOGOUT_REASON_CLOSE_SESSION 0
> > -#define ISCSI_LOGOUT_REASON_CLOSE_CONNECTION 1
> > -#define ISCSI_LOGOUT_REASON_REMOVE_CONNECTION_FOR_RECOVERY
> > 2
> > -
> > -///
> > -/// Logout Request
> > -///
> > -typedef struct _ISCSI_LOGOUT_REQUEST {
> > - UINT8 OpCode;
> > - UINT8 ReasonCode;
> > - UINT16 Reserved1;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT32 Reserved2[2];
> > - UINT32 InitiatorTaskTag;
> > - UINT16 Cid;
> > - UINT16 Reserved3;
> > - UINT32 CmdSN;
> > - UINT32 ExpStatSN;
> > - UINT32 Reserved4[4];
> > -} ISCSI_LOGOUT_REQUEST;
> > -
> > -#define ISCSI_LOGOUT_RESPONSE_SESSION_CLOSED_SUCCESS 0
> > -#define ISCSI_LOGOUT_RESPONSE_CID_NOT_FOUND 1
> > -#define ISCSI_LOGOUT_RESPONSE_RECOVERY_NOT_SUPPORTED 2
> > -#define ISCSI_LOGOUT_RESPONSE_CLEANUP_FAILED 3
> > -
> > -///
> > -/// Logout Response
> > -///
> > -typedef struct _ISCSI_LOGOUT_RESPONSE {
> > - UINT8 OpCode;
> > - UINT8 Reserved1;
> > - UINT8 Response;
> > - UINT8 Reserved2;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT32 Reserved3[2];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 Reserved4;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 Reserved5;
> > - UINT16 Time2Wait;
> > - UINT16 Time2Retain;
> > - UINT32 Reserved6;
> > -} ISCSI_LOGOUT_RESPONSE;
> > -
> > -#define ISCSI_SNACK_REQUEST_TYPE_DATA_OR_R2T 0
> > -#define ISCSI_SNACK_REQUEST_TYPE_STATUS 1
> > -#define ISCSI_SNACK_REQUEST_TYPE_DATA_ACK 2
> > -#define ISCSI_SNACK_REQUEST_TYPE_RDATA 3
> > -
> > -///
> > -/// SNACK Request
> > -///
> > -typedef struct _ISCSI_SNACK_REQUEST {
> > - UINT8 OpCode;
> > - UINT8 Type;
> > - UINT16 Reserved1;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 Reserved2;
> > - UINT32 ExpStatSN;
> > - UINT32 Reserved[2];
> > - UINT32 BegRun;
> > - UINT32 RunLength;
> > -} ISCSI_SNACK_REQUEST;
> > -
> > -///
> > -/// Reject
> > -///
> > -typedef struct _ISCSI_REJECT {
> > - UINT8 OpCode;
> > - UINT8 Reserved1;
> > - UINT8 Reason;
> > - UINT8 Reserved2;
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT32 Reserved3[2];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 Reserved4;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 DataSN;
> > - UINT32 Reserved5[2];
> > -} ISCSI_REJECT;
> > -
> > -///
> > -/// NOP-Out
> > -///
> > -typedef struct _ISCSI_NOP_OUT {
> > - UINT8 OpCode;
> > - UINT8 Reserved1[3];
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 CmdSN;
> > - UINT32 ExpStatSN;
> > - UINT32 Reserved2[4];
> > -} ISCSI_NOP_OUT;
> > -
> > -///
> > -/// NOP-In
> > -///
> > -typedef struct _ISCSI_NOP_IN {
> > - UINT8 OpCode;
> > - UINT8 Reserved1[3];
> > - UINT8 TotalAHSLength;
> > - UINT8 DataSegmentLength[3];
> > - UINT8 Lun[8];
> > - UINT32 InitiatorTaskTag;
> > - UINT32 TargetTransferTag;
> > - UINT32 StatSN;
> > - UINT32 ExpCmdSN;
> > - UINT32 MaxCmdSN;
> > - UINT32 Reserved2[3];
> > -} ISCSI_NOP_IN;
> > -
> > -#define ISCSI_SECURITY_NEGOTIATION 0
> > -#define ISCSI_LOGIN_OPERATIONAL_NEGOTIATION 1
> > -#define ISCSI_FULL_FEATURE_PHASE 3
> > -
> > -typedef enum {
> > - IScsiDigestNone,
> > - IScsiDigestCRC32
> > -} ISCSI_DIGEST_TYPE;
> > -
> > -typedef struct _ISCSI_XFER_CONTEXT {
> > - UINT32 TargetTransferTag;
> > - UINT32 Offset;
> > - UINT32 DesiredLength;
> > - UINT32 ExpDataSN;
> > -} ISCSI_XFER_CONTEXT;
> > -
> > -typedef struct _ISCSI_IN_BUFFER_CONTEXT {
> > - UINT8 *InData;
> > - UINT32 InDataLen;
> > -} ISCSI_IN_BUFFER_CONTEXT;
> > -
> > -typedef struct _ISCSI_TCB {
> > - LIST_ENTRY Link;
> > -
> > - BOOLEAN SoFarInOrder;
> > - UINT32 ExpDataSN;
> > - BOOLEAN FbitReceived;
> > - BOOLEAN StatusXferd;
> > - UINT32 ActiveR2Ts;
> > - UINT32 Response;
> > - CHAR8 *Reason;
> > - UINT32 InitiatorTaskTag;
> > - UINT32 CmdSN;
> > - UINT32 SNACKTag;
> > -
> > - ISCSI_XFER_CONTEXT XferContext;
> > -
> > - ISCSI_CONNECTION *Conn;
> > -} ISCSI_TCB;
> > -
> > -typedef struct _ISCSI_KEY_VALUE_PAIR {
> > - LIST_ENTRY List;
> > -
> > - CHAR8 *Key;
> > - CHAR8 *Value;
> > -} ISCSI_KEY_VALUE_PAIR;
> > -
> > -/**
> > - Attach the iSCSI connection to the iSCSI session.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in, out] Conn The iSCSI connection.
> > -**/
> > -VOID
> > -IScsiAttatchConnection (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN OUT ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Detach the iSCSI connection from the session it belongs to.
> > -
> > - @param[in, out] Conn The iSCSI connection.
> > -**/
> > -VOID
> > -IScsiDetatchConnection (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - This function does the iSCSI connection login.
> > -
> > - @param[in, out] Conn The iSCSI connection to login.
> > -
> > - @retval EFI_SUCCESS The iSCSI connection is logged into the
> iSCSI
> > target.
> > - @retval EFI_TIMEOUT Timeout happened during the login
> procedure.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiConnLogin (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Create a TCP connection for the iSCSI session.
> > -
> > - @param[in] Private The iSCSI driver data.
> > - @param[in] Session Maximum CmdSN from the target.
> > -
> > - @return The newly created iSCSI connection.
> > -**/
> > -ISCSI_CONNECTION *
> > -IScsiCreateConnection (
> > - IN ISCSI_DRIVER_DATA *Private,
> > - IN ISCSI_SESSION *Session
> > - );
> > -
> > -/**
> > - Destroy an iSCSI connection.
> > -
> > - @param[in] Conn The connection to destroy.
> > -**/
> > -VOID
> > -IScsiDestroyConnection (
> > - IN ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Login the iSCSI session.
> > -
> > - @param[in] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCESS The iSCSI session login procedure
> finished.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NO_MEDIA There was a media error.
> > - @retval Others Other errors as indicated.
> > -
> > -**/
> > -EFI_STATUS
> > -IScsiSessionLogin (
> > - IN ISCSI_DRIVER_DATA *Private
> > - );
> > -
> > -/**
> > - Build and send the iSCSI login request to the iSCSI target according
> to
> > - the current login stage.
> > -
> > - @param[in] Conn The connection in the iSCSI login phase.
> > -
> > - @retval EFI_SUCCESS The iSCSI login request PDU is built and
> sent on
> > this
> > - connection.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_DEVICE_ERROR Some kind of device error happened.
> > -**/
> > -EFI_STATUS
> > -IScsiSendLoginReq (
> > - IN ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Receive and process the iSCSI login response.
> > -
> > - @param[in] Conn The connection in the iSCSI login phase.
> > -
> > - @retval EFI_SUCCESS The iSCSI login response PDU is received
> and
> > processed.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiReceiveLoginRsp (
> > - IN ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Add an iSCSI key-value pair as a string into the data segment of the
> Login
> > Request PDU.
> > - The DataSegmentLength and the actual size of the net buffer
> containing
> > this PDU will be
> > - updated.
> > -
> > - @param[in, out] Pdu The iSCSI PDU whose data segment the
> key-
> > value pair will
> > - be added to.
> > - @param[in] Key The key name string.
> > - @param[in] Value The value string.
> > -
> > - @retval EFI_SUCCESS The key-valu pair is added to the PDU's
> > datasegment and
> > - the correspondence length fields are
> updated.
> > - @retval EFI_OUT_OF_RESOURCES There is not enough space in the PDU to
> > add the key-value
> > - pair.
> > -**/
> > -EFI_STATUS
> > -IScsiAddKeyValuePair (
> > - IN OUT NET_BUF *Pdu,
> > - IN CHAR8 *Key,
> > - IN CHAR8 *Value
> > - );
> > -
> > -/**
> > - Prepare the iSCSI login request to be sent according to the current
> login
> > status.
> > -
> > - @param[in, out] Conn The connection in the iSCSI login phase.
> > -
> > - @return The pointer to the net buffer containing the iSCSI login
> request
> > built.
> > - @retval Others Other errors as indicated.
> > -**/
> > -NET_BUF *
> > -IScsiPrepareLoginReq (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Process the iSCSI Login Response.
> > -
> > - @param[in, out] Conn The connection on which the iSCSI login
> response is
> > received.
> > - @param[in, out] Pdu The iSCSI login response PDU.
> > -
> > - @retval EFI_SUCCESS The iSCSI login response PDU is processed
> and all
> > check are passed.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval EFI_MEDIA_CHANGED Target is redirected.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiProcessLoginRsp (
> > - IN OUT ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - );
> > -
> > -/**
> > - Updated the target information according the data received in the
> iSCSI
> > - login response with an target redirection status.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in] Data The data segment which should contain
> the
> > - TargetAddress key-value list.
> > - @param[in] Len Length of the data.
> > -
> > - @retval EFI_SUCCESS The target address is updated.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NOT_FOUND The TargetAddress key is not found.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiUpdateTargetAddress (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN CHAR8 *Data,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - The callback function to free the net buffer list.
> > -
> > - @param[in] Arg The opaque parameter.
> > -**/
> > -VOID
> > -EFIAPI
> > -IScsiFreeNbufList (
> > - VOID *Arg
> > - );
> > -
> > -/**
> > - Receive an iSCSI response PDU. An iSCSI response PDU contains an
> iSCSI
> > PDU header and
> > - an optional data segment. The two parts will be put into two blocks
> of
> > buffers in the
> > - net buffer. The digest check will be conducted in this function if
> needed
> > and the digests
> > - will be trimmed from the PDU buffer.
> > -
> > - @param[in] Conn The iSCSI connection to receive data from.
> > - @param[out] Pdu The received iSCSI pdu.
> > - @param[in] Context The context used to describe information on
> the
> > caller provided
> > - buffer to receive data segment of the iSCSI
> pdu, it's optional.
> > - @param[in] HeaderDigest Whether there will be header digest received.
> > - @param[in] DataDigest Whether there will be data digest.
> > - @param[in] TimeoutEvent The timeout event, it's optional.
> > -
> > - @retval EFI_SUCCESS An iSCSI pdu is received.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiReceivePdu (
> > - IN ISCSI_CONNECTION *Conn,
> > - OUT NET_BUF **Pdu,
> > - IN ISCSI_IN_BUFFER_CONTEXT *Context, OPTIONAL
> > - IN BOOLEAN HeaderDigest,
> > - IN BOOLEAN DataDigest,
> > - IN EFI_EVENT TimeoutEvent OPTIONAL
> > - );
> > -
> > -/**
> > - Check and get the result of the prameter negotiation.
> > -
> > - @param[in, out] Conn The connection in iSCSI login.
> > -
> > - @retval EFI_SUCCESS The parmeter check is passed and
> negotiation is
> > finished.
> > - @retval EFI_PROTOCOL_ERROR Some kind of iSCSI protocol error
> > happened.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > -**/
> > -EFI_STATUS
> > -IScsiCheckOpParams (
> > - IN OUT ISCSI_CONNECTION *Conn
> > - );
> > -
> > -/**
> > - Fill the oprational prameters.
> > -
> > - @param[in] Conn The connection in iSCSI login.
> > - @param[in, out] Pdu The iSCSI login request PDU to fill the
> parameters.
> > -
> > - @retval EFI_SUCCESS The parmeters are filled into the iSCSI
> login
> > request PDU.
> > -**/
> > -EFI_STATUS
> > -IScsiFillOpParams (
> > - IN ISCSI_CONNECTION *Conn,
> > - IN OUT NET_BUF *Pdu
> > - );
> > -
> > -/**
> > - Pad the iSCSI AHS or data segment to an integer number of 4 byte
> words.
> > -
> > - @param[in, out] Pdu The iSCSI pdu which contains segments to
> pad.
> > - @param[in] Len The length of the last semgnet in the
> PDU.
> > -
> > - @retval EFI_SUCCESS The segment is padded or no need to pad
> it.
> > - @retval EFI_OUT_OF_RESOURCES There is not enough remaining free
> > space to add the
> > - padding bytes.
> > -**/
> > -EFI_STATUS
> > -IScsiPadSegment (
> > - IN OUT NET_BUF *Pdu,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - Build a key-value list from the data segment.
> > -
> > - @param[in] Data The data segment containing the key-value pairs.
> > - @param[in] Len Length of the data segment.
> > -
> > - @return The key-value list.
> > - @retval NULL Other errors as indicated.
> > -**/
> > -LIST_ENTRY *
> > -IScsiBuildKeyValueList (
> > - IN CHAR8 *Data,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - Get the value string by the key name from the key-value list. If
> found,
> > - the key-value entry will be removed from the list.
> > -
> > - @param[in, out] KeyValueList The key-value list.
> > - @param[in] Key The key name to find.
> > -
> > - @return The value string.
> > -**/
> > -CHAR8 *
> > -IScsiGetValueByKeyFromList (
> > - IN OUT LIST_ENTRY *KeyValueList,
> > - IN CHAR8 *Key
> > - );
> > -
> > -/**
> > - Free the key-value list.
> > -
> > - @param[in] KeyValueList The key-value list.
> > -**/
> > -VOID
> > -IScsiFreeKeyValueList (
> > - IN LIST_ENTRY *KeyValueList
> > - );
> > -
> > -/**
> > - Normalize the iSCSI name according to RFC.
> > -
> > - @param[in, out] Name The iSCSI name.
> > - @param[in] Len length of the iSCSI name.
> > -
> > - @retval EFI_SUCCESS The iSCSI name is valid and normalized.
> > - @retval EFI_PROTOCOL_ERROR The iSCSI name is mal-formatted or not in
> > the IQN format.
> > -**/
> > -EFI_STATUS
> > -IScsiNormalizeName (
> > - IN OUT CHAR8 *Name,
> > - IN UINTN Len
> > - );
> > -
> > -/**
> > - Execute the SCSI command issued through the EXT SCSI PASS THRU
> > protocol.
> > -
> > - @param[in] PassThru The EXT SCSI PASS THRU protocol.
> > - @param[in] Target The target ID.
> > - @param[in] Lun The LUN.
> > - @param[in, out] Packet The request packet containing IO request,
> SCSI
> > command
> > - buffer and buffers to read/write.
> > -
> > - @retval EFI_SUCCES The SCSI command is executed and the
> result is
> > updated to
> > - the Packet.
> > - @retval EFI_DEVICE_ERROR Session state was not as required.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval EFI_NOT_READY The target can not accept new commands.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -IScsiExecuteScsiCommand (
> > - IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *PassThru,
> > - IN UINT8 *Target,
> > - IN UINT64 Lun,
> > - IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet
> > - );
> > -
> > -/**
> > - Reinstate the session on some error.
> > -
> > - @param[in, out] Private The iSCSI driver data.
> > -
> > - @retval EFI_SUCCES The session is reinstated from some error.
> > - @retval Other Reinstatement failed.
> > -**/
> > -EFI_STATUS
> > -IScsiSessionReinstatement (
> > - IN OUT ISCSI_DRIVER_DATA *Private
> > - );
> > -
> > -/**
> > - Initialize some session parameters before login.
> > -
> > - @param[in, out] Session The iSCSI session.
> > - @param[in] Recovery Whether the request is from a fresh new
> start or
> > recovery.
> > -**/
> > -VOID
> > -IScsiSessionInit (
> > - IN OUT ISCSI_SESSION *Session,
> > - IN BOOLEAN Recovery
> > - );
> > -
> > -/**
> > - Abort the iSCSI session, that is, reset all the connection and free
> the
> > - resources.
> > -
> > - @param[in, out] Session The iSCSI session.
> > -
> > - @retval EFI_SUCCES The session is aborted.
> > -**/
> > -EFI_STATUS
> > -IScsiSessionAbort (
> > - IN OUT ISCSI_SESSION *Session
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.h
> > deleted file mode 100644
> > index 9e0f1e0f02c2..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/IScsiTcp4Io.h
> > +++ /dev/null
> > @@ -1,142 +0,0 @@
> > -/** @file
> > - iSCSI Tcp4 IO related definitions.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _ISCSI_TCP4_IO_H_
> > -#define _ISCSI_TCP4_IO_H_
> > -
> > -#include <Library/NetLib.h>
> > -#include <Protocol/Tcp4.h>
> > -
> > -typedef struct _TCP4_IO_CONFIG_DATA {
> > - EFI_IPv4_ADDRESS LocalIp;
> > - EFI_IPv4_ADDRESS SubnetMask;
> > - EFI_IPv4_ADDRESS Gateway;
> > -
> > - EFI_IPv4_ADDRESS RemoteIp;
> > - UINT16 RemotePort;
> > -} TCP4_IO_CONFIG_DATA;
> > -
> > -typedef struct _TCP4_IO {
> > - EFI_HANDLE Image;
> > - EFI_HANDLE Controller;
> > -
> > - EFI_HANDLE Handle;
> > - EFI_TCP4_PROTOCOL *Tcp4;
> > -
> > - EFI_TCP4_CONNECTION_TOKEN ConnToken;
> > - EFI_TCP4_IO_TOKEN TxToken;
> > - EFI_TCP4_IO_TOKEN RxToken;
> > - EFI_TCP4_CLOSE_TOKEN CloseToken;
> > -
> > - BOOLEAN IsConnDone;
> > - BOOLEAN IsTxDone;
> > - BOOLEAN IsRxDone;
> > - BOOLEAN IsCloseDone;
> > -} TCP4_IO;
> > -
> > -/**
> > - Create a TCP socket with the specified configuration data.
> > -
> > - @param[in] Image The handle of the driver image.
> > - @param[in] Controller The handle of the controller.
> > - @param[in] ConfigData The Tcp4 configuration data.
> > - @param[in] Tcp4Io The Tcp4Io.
> > -
> > - @retval EFI_SUCCESS The TCP socket is created and configured.
> > - @retval Others Failed to create the TCP socket or configure
> it.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoCreateSocket (
> > - IN EFI_HANDLE Image,
> > - IN EFI_HANDLE Controller,
> > - IN TCP4_IO_CONFIG_DATA *ConfigData,
> > - IN TCP4_IO *Tcp4Io
> > - );
> > -
> > -/**
> > - Destroy the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io which wraps the socket to be destroyeds.
> > -**/
> > -VOID
> > -Tcp4IoDestroySocket (
> > - IN TCP4_IO *Tcp4Io
> > - );
> > -
> > -/**
> > - Connect to the other endpoint of the TCP socket.
> > -
> > - @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > - @param[in] Timeout The time to wait for connection done.
> > -
> > - @retval EFI_SUCCESS Connect to the other endpoint of the TCP
> socket
> > successfully.
> > - @retval EFI_TIMEOUT Failed to connect to the other endpoint
> of the
> > TCP socket in the specified time period.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoConnect (
> > - IN OUT TCP4_IO *Tcp4Io,
> > - IN EFI_EVENT Timeout
> > - );
> > -
> > -/**
> > - Reset the socket.
> > -
> > - @param[in, out] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > -**/
> > -VOID
> > -Tcp4IoReset (
> > - IN OUT TCP4_IO *Tcp4Io
> > - );
> > -
> > -/**
> > - Transmit the Packet to the other endpoint of the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io wrapping the TCP socket.
> > - @param[in] Packet The packet to transmit.
> > -
> > - @retval EFI_SUCCESS The packet is trasmitted.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate memory.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoTransmit (
> > - IN TCP4_IO *Tcp4Io,
> > - IN NET_BUF *Packet
> > - );
> > -
> > -/**
> > - Receive data from the socket.
> > -
> > - @param[in] Tcp4Io The Tcp4Io which wraps the socket to be
> > destroyed.
> > - @param[in] Packet The buffer to hold the data copy from
> the soket rx
> > buffer.
> > - @param[in] AsyncMode Is this receive asyncronous or not.
> > - @param[in] Timeout The time to wait for receiving the
> amount of data
> > the Packet
> > - can hold.
> > -
> > - @retval EFI_SUCCESS The required amount of data is received
> from
> > the socket.
> > - @retval EFI_OUT_OF_RESOURCES Failed to allocate momery.
> > - @retval EFI_TIMEOUT Failed to receive the required amount of
> data in
> > the
> > - specified time period.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -Tcp4IoReceive (
> > - IN TCP4_IO *Tcp4Io,
> > - IN NET_BUF *Packet,
> > - IN BOOLEAN AsyncMode,
> > - IN EFI_EVENT Timeout
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/IScsiDxe/Md5.h
> > b/MdeModulePkg/Universal/Network/IScsiDxe/Md5.h
> > deleted file mode 100644
> > index 1541b2d8ece1..000000000000
> > --- a/MdeModulePkg/Universal/Network/IScsiDxe/Md5.h
> > +++ /dev/null
> > @@ -1,80 +0,0 @@
> > -/** @file
> > - Header file for Md5.
> > -
> > -Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _MD5_H_
> > -#define _MD5_H_
> > -
> > -#include <Uefi.h>
> > -#include <Library/BaseLib.h>
> > -#include <Library/BaseMemoryLib.h>
> > -#include <Library/NetLib.h>
> > -
> > -#define MD5_HASHSIZE 16
> > -
> > -typedef struct _MD5_CTX {
> > - EFI_STATUS Status;
> > - UINT64 Length;
> > - UINT32 States[MD5_HASHSIZE / sizeof (UINT32)];
> > - UINT8 M[64];
> > - UINTN Count;
> > -} MD5_CTX;
> > -
> > -/**
> > - Initialize four 32-bits chaining variables and use them to do the Md5
> > transform.
> > -
> > - @param[out] Md5Ctx The data structure of Md5.
> > -
> > - @retval EFI_SUCCESS Initialization is ok.
> > -**/
> > -EFI_STATUS
> > -MD5Init (
> > - OUT MD5_CTX *Md5Ctx
> > - );
> > -
> > -/**
> > - the external interface of Md5 algorithm
> > -
> > - @param[in, out] Md5Ctx The data structure of storing the original
> data
> > - segment and the final result.
> > - @param[in] Data The data wanted to be transformed.
> > - @param[in] DataLen The length of data.
> > -
> > - @retval EFI_SUCCESS The transform is ok.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -MD5Update (
> > - IN OUT MD5_CTX *Md5Ctx,
> > - IN VOID *Data,
> > - IN UINTN DataLen
> > - );
> > -
> > -/**
> > - Accumulate the MD5 value of every data segment and generate the
> finial
> > - result according to MD5 algorithm.
> > -
> > - @param[in, out] Md5Ctx The data structure of storing the original
> data
> > - segment and the final result.
> > - @param[out] HashVal The final 128-bits output.
> > -
> > - @retval EFI_SUCCESS The transform is ok.
> > - @retval Others Other errors as indicated.
> > -**/
> > -EFI_STATUS
> > -MD5Final (
> > - IN OUT MD5_CTX *Md5Ctx,
> > - OUT UINT8 *HashVal
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.h
> > deleted file mode 100644
> > index bea7479eb222..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/SockImpl.h
> > +++ /dev/null
> > @@ -1,131 +0,0 @@
> > -/** @file
> > - Socket implementation header file.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _SOCK_IMPL_H_
> > -#define _SOCK_IMPL_H_
> > -
> > -#include "Socket.h"
> > -#include "Tcp4Main.h"
> > -
> > -/**
> > - Signal a event with the given status.
> > -
> > - @param Token The token's event is to be signaled.
> > - @param TokenStatus The status to be sent with the event.
> > -
> > -**/
> > -#define SIGNAL_TOKEN(Token, TokenStatus) \
> > - do { \
> > - (Token)->Status = (TokenStatus); \
> > - gBS->SignalEvent ((Token)->Event); \
> > - } while (0)
> > -
> > -
> > -/**
> > - Supporting function for both SockImpl and SockInterface.
> > -
> > - @param Event The Event this notify function registered to, ignored.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -SockFreeFoo (
> > - IN EFI_EVENT Event
> > - );
> > -
> > -/**
> > - Process the TCP send data, buffer the tcp txdata and append
> > - the buffer to socket send buffer,then try to send it.
> > -
> > - @param Sock Pointer to the socket.
> > - @param TcpTxData Pointer to the tcp txdata.
> > -
> > - @retval EFI_SUCCESS The operation is completed successfully.
> > - @retval EFI_OUT_OF_RESOURCES Failed due to resource limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockProcessTcpSndData (
> > - IN SOCKET *Sock,
> > - IN VOID *TcpTxData
> > - );
> > -
> > -/**
> > - Copy data from socket buffer to application provided receive buffer.
> > -
> > - @param Sock Pointer to the socket.
> > - @param TcpRxData Pointer to the application provided
> receive
> > buffer.
> > - @param RcvdBytes The maximum length of the data can be
> copied.
> > - @param IsOOB If TRUE the data is OOB, else the data
> is normal.
> > -
> > -**/
> > -VOID
> > -SockSetTcpRxData (
> > - IN SOCKET *Sock,
> > - IN VOID *TcpRxData,
> > - IN UINT32 RcvdBytes,
> > - IN BOOLEAN IsOOB
> > - );
> > -
> > -/**
> > - Get received data from the socket layer to the receive token.
> > -
> > - @param Sock Pointer to the socket.
> > - @param RcvToken Pointer to the application provided
> receive token.
> > -
> > - @return The length of data received in this token.
> > -
> > -**/
> > -UINT32
> > -SockProcessRcvToken (
> > - IN SOCKET *Sock,
> > - IN OUT SOCK_IO_TOKEN *RcvToken
> > - );
> > -
> > -/**
> > - Flush the socket.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockConnFlush (
> > - IN OUT SOCKET *Sock
> > - );
> > -
> > -/**
> > - Create a socket with initial data SockInitData.
> > -
> > - @param SockInitData Pointer to the initial data of the
> socket.
> > -
> > - @return Pointer to the newly created socket.
> > -
> > -**/
> > -SOCKET *
> > -SockCreate (
> > - IN SOCK_INIT_DATA *SockInitData
> > - );
> > -
> > -/**
> > - Destroy a socket.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockDestroy (
> > - IN OUT SOCKET *Sock
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
> > deleted file mode 100644
> > index 650a7dd8651f..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Socket.h
> > +++ /dev/null
> > @@ -1,954 +0,0 @@
> > -/** @file
> > - Socket header file.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _SOCKET_H_
> > -#define _SOCKET_H_
> > -
> > -#include <Uefi.h>
> > -
> > -#include <Protocol/Ip4.h>
> > -#include <Protocol/Tcp4.h>
> > -#include <Protocol/Udp4.h>
> > -
> > -#include <Library/NetLib.h>
> > -#include <Library/DebugLib.h>
> > -#include <Library/BaseMemoryLib.h>
> > -#include <Library/MemoryAllocationLib.h>
> > -#include <Library/UefiRuntimeServicesTableLib.h>
> > -#include <Library/UefiBootServicesTableLib.h>
> > -#include <Library/UefiDriverEntryPoint.h>
> > -#include <Library/UefiLib.h>
> > -#include <Library/DpcLib.h>
> > -#include <Library/PrintLib.h>
> > -
> > -#define SOCK_SND_BUF 0
> > -#define SOCK_RCV_BUF 1
> > -
> > -#define SOCK_BUFF_LOW_WATER (2 * 1024)
> > -#define SOCK_RCV_BUFF_SIZE (8 * 1024)
> > -#define SOCK_SND_BUFF_SIZE (8 * 1024)
> > -#define SOCK_BACKLOG 5
> > -
> > -#define PROTO_RESERVED_LEN 20
> > -
> > -#define SO_NO_MORE_DATA 0x0001
> > -
> > -//
> > -//
> > -//
> > -// When a socket is created it enters into SO_UNCONFIGURED,
> > -// no actions can be taken on this socket, only after calling
> > -// SockConfigure. The state transition diagram of socket is
> > -// as following:
> > -//
> > -// SO_UNCONFIGURED --- SO_CONFIGURED --- SO_CONNECTING
> > -// ^ | |
> > -// | ---> SO_LISTENING |
> > -// | |
> > -// |------------------SO_DISCONNECTING<-- SO_CONNECTED
> > -//
> > -// A passive socket can only go into SO_LISTENING and
> > -// SO_UNCONFIGURED state. SO_XXXING state is a middle state
> > -// when a socket is undergoing a protocol procedure such
> > -// as requesting a TCP connection.
> > -//
> > -//
> > -//
> > -
> > -///
> > -/// Socket state
> > -///
> > -#define SO_CLOSED 0
> > -#define SO_LISTENING 1
> > -#define SO_CONNECTING 2
> > -#define SO_CONNECTED 3
> > -#define SO_DISCONNECTING 4
> > -
> > -///
> > -/// Socket configure state
> > -///
> > -#define SO_UNCONFIGURED 0
> > -#define SO_CONFIGURED_ACTIVE 1
> > -#define SO_CONFIGURED_PASSIVE 2
> > -#define SO_NO_MAPPING 3
> > -
> > -/**
> > - Set socket SO_NO_MORE_DATA flag.
> > -
> > - @param Sock Pointer to the socket
> > -
> > -**/
> > -#define SOCK_NO_MORE_DATA(Sock) ((Sock)->Flag |=
> > SO_NO_MORE_DATA)
> > -
> > -/**
> > - Check whether the socket is unconfigured.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is unconfigued
> > - @retval False The socket is not unconfigued
> > -
> > -**/
> > -#define SOCK_IS_UNCONFIGURED(Sock) ((Sock)->ConfigureState ==
> > SO_UNCONFIGURED)
> > -
> > -/**
> > - Check whether the socket is configured.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is configued
> > - @retval False The socket is not configued
> > -
> > -**/
> > -#define SOCK_IS_CONFIGURED(Sock) \
> > - (((Sock)->ConfigureState == SO_CONFIGURED_ACTIVE) || \
> > - ((Sock)->ConfigureState == SO_CONFIGURED_PASSIVE))
> > -
> > -/**
> > - Check whether the socket is configured to active mode.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is configued to active mode
> > - @retval False The socket is not configued to active mode
> > -
> > -**/
> > -#define SOCK_IS_CONFIGURED_ACTIVE(Sock) \
> > - ((Sock)->ConfigureState == SO_CONFIGURED_ACTIVE)
> > -
> > -/**
> > - Check whether the socket is configured to passive mode.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is configued to passive mode
> > - @retval False The socket is not configued to passive
> mode
> > -
> > -**/
> > -#define SOCK_IS_CONNECTED_PASSIVE(Sock) \
> > - ((Sock)->ConfigureState == SO_CONFIGURED_PASSIVE)
> > -
> > -/**
> > - Check whether the socket is mapped.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is no mapping
> > - @retval False The socket is mapped
> > -
> > -**/
> > -#define SOCK_IS_NO_MAPPING(Sock) \
> > - ((Sock)->ConfigureState == SO_NO_MAPPING)
> > -
> > -/**
> > - Check whether the socket is closed.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is closed
> > - @retval False The socket is not closed
> > -
> > -**/
> > -#define SOCK_IS_CLOSED(Sock) ((Sock)->State == SO_CLOSED)
> > -
> > -/**
> > - Check whether the socket is listening.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is listening
> > - @retval False The socket is not listening
> > -
> > -**/
> > -#define SOCK_IS_LISTENING(Sock) ((Sock)->State == SO_LISTENING)
> > -
> > -/**
> > - Check whether the socket is connecting.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is connecting
> > - @retval False The socket is not connecting
> > -
> > -**/
> > -#define SOCK_IS_CONNECTING(Sock) ((Sock)->State ==
> > SO_CONNECTING)
> > -
> > -/**
> > - Check whether the socket has connected.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket has connected
> > - @retval False The socket has not connected
> > -
> > -**/
> > -#define SOCK_IS_CONNECTED(Sock) ((Sock)->State == SO_CONNECTED)
> > -
> > -/**
> > - Check whether the socket is disconnecting.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is disconnecting
> > - @retval False The socket is not disconnecting
> > -
> > -**/
> > -#define SOCK_IS_DISCONNECTING(Sock) ((Sock)->State ==
> > SO_DISCONNECTING)
> > -
> > -/**
> > - Check whether the socket is no more data.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @retval True The socket is no more data
> > - @retval False The socket still has data
> > -
> > -**/
> > -#define SOCK_IS_NO_MORE_DATA(Sock) (0 != ((Sock)->Flag &
> > SO_NO_MORE_DATA))
> > -
> > -/**
> > - Set the size of the receive buffer.
> > -
> > - @param Sock Pointer to the socket
> > - @param Size The size to set
> > -
> > -**/
> > -#define SET_RCV_BUFFSIZE(Sock, Size) ((Sock)->RcvBuffer.HighWater =
> > (Size))
> > -
> > -/**
> > - Get the size of the receive buffer.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @return The receive buffer size
> > -
> > -**/
> > -#define GET_RCV_BUFFSIZE(Sock) ((Sock)->RcvBuffer.HighWater)
> > -
> > -/**
> > - Get the size of the receive data.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @return The received data size
> > -
> > -**/
> > -#define GET_RCV_DATASIZE(Sock) (((Sock)->RcvBuffer.DataQueue)-
> > >BufSize)
> > -
> > -/**
> > - Set the size of the send buffer.
> > -
> > - @param Sock Pointer to the socket
> > - @param Size The size to set
> > -
> > -**/
> > -#define SET_SND_BUFFSIZE(Sock, Size) ((Sock)->SndBuffer.HighWater =
> > (Size))
> > -
> > -/**
> > - Get the size of the send buffer.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @return The send buffer size
> > -
> > -**/
> > -#define GET_SND_BUFFSIZE(Sock) ((Sock)->SndBuffer.HighWater)
> > -
> > -/**
> > - Get the size of the send data.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @return The send data size
> > -
> > -**/
> > -#define GET_SND_DATASIZE(Sock) (((Sock)->SndBuffer.DataQueue)-
> > >BufSize)
> > -
> > -/**
> > - Set the backlog value of the socket.
> > -
> > - @param Sock Pointer to the socket
> > - @param Value The value to set
> > -
> > -**/
> > -#define SET_BACKLOG(Sock, Value) ((Sock)->BackLog = (Value))
> > -
> > -/**
> > - Get the backlog value of the socket.
> > -
> > - @param Sock Pointer to the socket
> > -
> > - @return The backlog value
> > -
> > -**/
> > -#define GET_BACKLOG(Sock) ((Sock)->BackLog)
> > -
> > -/**
> > - Set the socket with error state.
> > -
> > - @param Sock Pointer to the socket
> > - @param Error The error state
> > -
> > -**/
> > -#define SOCK_ERROR(Sock, Error) ((Sock)->SockError = (Error))
> > -
> > -#define SND_BUF_HDR_LEN(Sock) \
> > - ((SockBufFirst (&((Sock)->SndBuffer)))->TotalSize)
> > -
> > -#define RCV_BUF_HDR_LEN(Sock) \
> > - ((SockBufFirst (&((Sock)->RcvBuffer)))->TotalSize)
> > -
> > -#define SOCK_SIGNATURE SIGNATURE_32 ('S', 'O', 'C', 'K')
> > -
> > -#define SOCK_FROM_THIS(a) CR ((a), SOCKET, NetProtocol,
> > SOCK_SIGNATURE)
> > -
> > -#define SOCK_FROM_TOKEN(Token) (((SOCK_TOKEN *) (Token))->Sock)
> > -
> > -#define PROTO_TOKEN_FORM_SOCK(SockToken, Type) \
> > - ((Type *) (((SOCK_TOKEN *) (SockToken))->Token))
> > -
> > -typedef struct _SOCKET SOCKET;
> > -
> > -///
> > -/// Socket completion token
> > -///
> > -typedef struct _SOCK_COMPLETION_TOKEN {
> > - EFI_EVENT Event; ///< The event to be issued
> > - EFI_STATUS Status; ///< The status to be issued
> > -} SOCK_COMPLETION_TOKEN;
> > -
> > -typedef union {
> > - VOID *RxData;
> > - VOID *TxData;
> > -} SOCK_IO_DATA;
> > -
> > -///
> > -/// The application token with data packet
> > -///
> > -typedef struct _SOCK_IO_TOKEN {
> > - SOCK_COMPLETION_TOKEN Token;
> > - SOCK_IO_DATA Packet;
> > -} SOCK_IO_TOKEN;
> > -
> > -///
> > -/// The request issued from socket layer to protocol layer.
> > -///
> > -#define SOCK_ATTACH 0 ///< Attach current socket to a new PCB
> > -#define SOCK_DETACH 1 ///< Detach current socket from the PCB
> > -#define SOCK_CONFIGURE 2 ///< Configure attached PCB
> > -#define SOCK_FLUSH 3 ///< Flush attached PCB
> > -#define SOCK_SND 4 ///< Need protocol to send something
> > -#define SOCK_SNDPUSH 5 ///< Need protocol to send pushed data
> > -#define SOCK_SNDURG 6 ///< Need protocol to send urgent data
> > -#define SOCK_CONSUMED 7 ///< Application has retrieved data from
> > socket
> > -#define SOCK_CONNECT 8 ///< Need to connect to a peer
> > -#define SOCK_CLOSE 9 ///< Need to close the protocol process
> > -#define SOCK_ABORT 10 ///< Need to reset the protocol process
> > -#define SOCK_POLL 11 ///< Need to poll to the protocol layer
> > -#define SOCK_ROUTE 12 ///< Need to add a route information
> > -#define SOCK_MODE 13 ///< Need to get the mode data of the
> protocol
> > -#define SOCK_GROUP 14 ///< Need to join a mcast group
> > -
> > -///
> > -/// The socket type.
> > -///
> > -typedef enum {
> > - SockDgram, ///< This socket providing datagram service
> > - SockStream ///< This socket providing stream service
> > -} SOCK_TYPE;
> > -
> > -///
> > -/// The buffer structure of rcvd data and send data used by socket.
> > -///
> > -typedef struct _SOCK_BUFFER {
> > - UINT32 HighWater; ///< The buffersize upper limit of
> sock_buffer
> > - UINT32 LowWater; ///< The low water mark of sock_buffer
> > - NET_BUF_QUEUE *DataQueue; ///< The queue to buffer data
> > -} SOCK_BUFFER;
> > -
> > -/**
> > - The handler of protocol for request from socket.
> > -
> > - @param Socket The socket issuing the request to protocol
> > - @param Request The request issued by socket
> > - @param RequestData The request related data
> > -
> > - @retval EFI_SUCCESS The socket request is completed
> successfully.
> > - @retval other The error status returned by the
> corresponding TCP
> > - layer function.
> > -
> > -**/
> > -typedef
> > -EFI_STATUS
> > -(*SOCK_PROTO_HANDLER) (
> > - IN SOCKET *Socket,
> > - IN UINT8 Request,
> > - IN VOID *RequestData
> > - );
> > -
> > -
> > -//
> > -// Socket provided oprerations for low layer protocol
> > -//
> > -
> > -//
> > -// Socket provided operations for user interface
> > -//
> > -
> > -/**
> > - Set the state of the socket.
> > -
> > - @param Sock Pointer to the socket.
> > - @param State The new socket state to be set.
> > -
> > -**/
> > -VOID
> > -SockSetState (
> > - IN OUT SOCKET *Sock,
> > - IN UINT8 State
> > - );
> > -
> > -/**
> > - Called by the low layer protocol to indicate the socket a connection
> is
> > - established.
> > -
> > - This function just changes the socket's state to SO_CONNECTED
> > - and signals the token used for connection establishment.
> > -
> > - @param Sock Pointer to the socket associated with
> the
> > - established connection.
> > -
> > -**/
> > -VOID
> > -SockConnEstablished (
> > - IN SOCKET *Sock
> > - );
> > -
> > -/**
> > - Called by the low layer protocol to indicate the connection is closed.
> > -
> > - This function flushes the socket, sets the state to SO_CLOSED and
> signals
> > - the close token.
> > -
> > - @param Sock Pointer to the socket associated with
> the closed
> > - connection.
> > -
> > -**/
> > -VOID
> > -SockConnClosed (
> > - IN OUT SOCKET *Sock
> > - );
> > -
> > -/**
> > - Called by low layer protocol to indicate that some data is sent or
> processed.
> > -
> > - This function trims the sent data in the socket send buffer, signals
> the data
> > - token if proper.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Count The length of the data processed or
> sent, in bytes.
> > -
> > -**/
> > -VOID
> > -SockDataSent (
> > - IN SOCKET *Sock,
> > - IN UINT32 Count
> > - );
> > -
> > -/**
> > - Called by the low layer protocol to copy some data in socket send
> > - buffer starting from the specific offset to a buffer provided by
> > - the caller.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Offset The start point of the data to be
> copied.
> > - @param Len The length of the data to be copied.
> > - @param Dest Pointer to the destination to copy the
> data.
> > -
> > - @return The data size copied.
> > -
> > -**/
> > -UINT32
> > -SockGetDataToSend (
> > - IN SOCKET *Sock,
> > - IN UINT32 Offset,
> > - IN UINT32 Len,
> > - IN UINT8 *Dest
> > - );
> > -
> > -/**
> > - Called by the low layer protocol to indicate that there
> > - will be no more data from the communication peer.
> > -
> > - This function set the socket's state to SO_NO_MORE_DATA and
> > - signal all queued IO tokens with the error status EFI_CONNECTION_FIN.
> > -
> > - @param Sock Pointer to the socket.
> > -
> > -**/
> > -VOID
> > -SockNoMoreData (
> > - IN OUT SOCKET *Sock
> > - );
> > -
> > -/**
> > - Called by the low layer protocol to deliver received data to socket
> layer.
> > -
> > - This function will append the data to the socket receive buffer, set
> ther
> > - urgent data length and then check if any receive token can be
> signaled.
> > -
> > - @param Sock Pointer to the socket.
> > - @param NetBuffer Pointer to the buffer that contains the
> received
> > - data.
> > - @param UrgLen The length of the urgent data in the
> received data.
> > -
> > -**/
> > -VOID
> > -SockDataRcvd (
> > - IN SOCKET *Sock,
> > - IN OUT NET_BUF *NetBuffer,
> > - IN UINT32 UrgLen
> > - );
> > -
> > -/**
> > - Get the length of the free space of the specific socket buffer.
> > -
> > - @param Sock Pointer to the socket.
> > - @param Which Flag to indicate which socket buffer to
> check,
> > - either send buffer or receive buffer.
> > -
> > - @return The length of the free space, in bytes.
> > -
> > -**/
> > -UINT32
> > -SockGetFreeSpace (
> > - IN SOCKET *Sock,
> > - IN UINT32 Which
> > - );
> > -
> > -/**
> > - Clone a new socket including its associated protocol control block.
> > -
> > - @param Sock Pointer to the socket to be cloned.
> > -
> > - @return Pointer to the newly cloned socket. If NULL, error condition
> > occurred.
> > -
> > -**/
> > -SOCKET *
> > -SockClone (
> > - IN SOCKET *Sock
> > - );
> > -
> > -
> > -///
> > -/// Proto type of the create callback
> > -///
> > -typedef
> > -EFI_STATUS
> > -(*SOCK_CREATE_CALLBACK) (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - );
> > -
> > -///
> > -/// Proto type of the destroy callback
> > -///
> > -typedef
> > -VOID
> > -(*SOCK_DESTROY_CALLBACK) (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - );
> > -
> > -///
> > -/// The initialize data for create a new socket.
> > -///
> > -typedef struct _SOCK_INIT_DATA {
> > - SOCK_TYPE Type;
> > - UINT8 State;
> > -
> > - SOCKET *Parent; ///< The parent of this socket
> > - UINT32 BackLog; ///< The connection limit for listening
> socket
> > - UINT32 SndBufferSize; ///< The high water mark of send buffer
> > - UINT32 RcvBufferSize; ///< The high water mark of receive
> buffer
> > - VOID *Protocol; ///< The pointer to protocol function
> template
> > - ///< wanted to install on socket
> > -
> > - //
> > - // Callbacks after socket is created and before socket is to be
> destroyed.
> > - //
> > - SOCK_CREATE_CALLBACK CreateCallback; ///< Callback after created
> > - SOCK_DESTROY_CALLBACK DestroyCallback; ///< Callback before
> > destroied
> > - VOID *Context; ///< The context of the
> callback
> > -
> > - //
> > - // Opaque protocol data.
> > - //
> > - VOID *ProtoData;
> > - UINT32 DataSize;
> > -
> > - SOCK_PROTO_HANDLER ProtoHandler; ///< The handler of protocol
> for
> > socket request
> > -
> > - EFI_HANDLE DriverBinding; ///< The driver binding handle
> > -} SOCK_INIT_DATA;
> > -
> > -///
> > -/// The union type of TCP and UDP protocol.
> > -///
> > -typedef union _NET_PROTOCOL {
> > - EFI_TCP4_PROTOCOL TcpProtocol; ///< Tcp protocol
> > - EFI_UDP4_PROTOCOL UdpProtocol; ///< Udp protocol
> > -} NET_PROTOCOL;
> > -
> > -///
> > -/// The socket structure representing a network service access point
> > -///
> > -struct _SOCKET {
> > -
> > - //
> > - // Socket description information
> > - //
> > - UINT32 Signature; ///< Signature of the socket
> > - EFI_HANDLE SockHandle; ///< The virtual handle of the
> socket
> > - EFI_HANDLE DriverBinding; ///< Socket's driver binding
> protocol
> > - EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
> > - EFI_DEVICE_PATH_PROTOCOL *DevicePath;
> > - LIST_ENTRY Link;
> > - UINT8 ConfigureState;
> > - SOCK_TYPE Type;
> > - UINT8 State;
> > - UINT16 Flag;
> > - EFI_LOCK Lock; ///< The lock of socket
> > - SOCK_BUFFER SndBuffer; ///< Send buffer of application's
> data
> > - SOCK_BUFFER RcvBuffer; ///< Receive buffer of received
> data
> > - EFI_STATUS SockError; ///< The error returned by low
> layer protocol
> > - BOOLEAN InDestroy;
> > -
> > - //
> > - // Fields used to manage the connection request
> > - //
> > - UINT32 BackLog; ///< the limit of connection to this
> socket
> > - UINT32 ConnCnt; ///< the current count of connections
> to it
> > - SOCKET *Parent; ///< listening parent that accept the
> connection
> > - LIST_ENTRY ConnectionList; ///< the connections maintained by
> this
> > socket
> > -
> > - //
> > - // The queue to buffer application's asynchronous token
> > - //
> > - LIST_ENTRY ListenTokenList;
> > - LIST_ENTRY RcvTokenList;
> > - LIST_ENTRY SndTokenList;
> > - LIST_ENTRY ProcessingSndTokenList;
> > -
> > - SOCK_COMPLETION_TOKEN *ConnectionToken; ///< app's token to signal
> > if connected
> > - SOCK_COMPLETION_TOKEN *CloseToken; ///< app's token to signal if
> > closed
> > -
> > - //
> > - // Interface for low level protocol
> > - //
> > - SOCK_PROTO_HANDLER ProtoHandler; ///< The request handler of
> > protocol
> > - UINT8 ProtoReserved[PROTO_RESERVED_LEN]; ///< Data fields reserved
> > for protocol
> > - NET_PROTOCOL NetProtocol; ///< TCP or UDP protocol
> socket used
> > -
> > - //
> > - // Callbacks after socket is created and before socket is to be
> destroyed.
> > - //
> > - SOCK_CREATE_CALLBACK CreateCallback; ///< Callback after created
> > - SOCK_DESTROY_CALLBACK DestroyCallback; ///< Callback before
> > destroied
> > - VOID *Context; ///< The context of the
> callback
> > -};
> > -
> > -///
> > -/// The token structure buffered in socket layer.
> > -///
> > -typedef struct _SOCK_TOKEN {
> > - LIST_ENTRY TokenList; ///< The entry to add in the
> token list
> > - SOCK_COMPLETION_TOKEN *Token; ///< The application's token
> > - UINT32 RemainDataLen; ///< Unprocessed data length
> > - SOCKET *Sock; ///< The poninter to the socket
> this token
> > - ///< belongs to
> > -} SOCK_TOKEN;
> > -
> > -///
> > -/// Reserved data to access the NET_BUF delivered by UDP driver.
> > -///
> > -typedef struct _UDP_RSV_DATA {
> > - EFI_TIME TimeStamp;
> > - EFI_UDP4_SESSION_DATA Session;
> > -} UDP_RSV_DATA;
> > -
> > -///
> > -/// Reserved data to access the NET_BUF delivered by TCP driver.
> > -///
> > -typedef struct _TCP_RSV_DATA {
> > - UINT32 UrgLen;
> > -} TCP_RSV_DATA;
> > -
> > -/**
> > - Create a socket and its associated protocol control block
> > - with the intial data SockInitData and protocol specific
> > - data ProtoData.
> > -
> > - @param SockInitData Inital data to setting the socket.
> > -
> > - @return Pointer to the newly created socket. If NULL, error condition
> > occured.
> > -
> > -**/
> > -SOCKET *
> > -SockCreateChild (
> > - IN SOCK_INIT_DATA *SockInitData
> > - );
> > -
> > -/**
> > - Destroy the socket Sock and its associated protocol control block.
> > -
> > - @param Sock The socket to be destroyed.
> > -
> > - @retval EFI_SUCCESS The socket Sock is destroyed
> successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > -
> > -**/
> > -EFI_STATUS
> > -SockDestroyChild (
> > - IN SOCKET *Sock
> > - );
> > -
> > -/**
> > - Configure the specific socket Sock using configuration data
> ConfigData.
> > -
> > - @param Sock Pointer to the socket to be configured.
> > - @param ConfigData Pointer to the configuration data.
> > -
> > - @retval EFI_SUCCESS The socket is configured successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket or
> > the
> > - socket is already configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockConfigure (
> > - IN SOCKET *Sock,
> > - IN VOID *ConfigData
> > - );
> > -
> > -/**
> > - Initiate a connection establishment process.
> > -
> > - @param Sock Pointer to the socket to initiate the
> initate the
> > - connection.
> > - @param Token Pointer to the token used for the
> connection
> > - operation.
> > -
> > - @retval EFI_SUCCESS The connection is initialized
> successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> configured to
> > - be an active one, or the token is
> already in one of
> > - this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockConnect (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - );
> > -
> > -/**
> > - Issue a listen token to get an existed connected network instance
> > - or wait for a connection if there is none.
> > -
> > - @param Sock Pointer to the socket to accept
> connections.
> > - @param Token The token to accept a connection.
> > -
> > - @retval EFI_SUCCESS Either a connection is accpeted or the
> Token is
> > - buffered for further acception.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> configured to
> > - be a passive one, or the token is
> already in one of
> > - this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the Token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockAccept (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - );
> > -
> > -/**
> > - Issue a token with data to the socket to send out.
> > -
> > - @param Sock Pointer to the socket to process the
> token with
> > - data.
> > - @param Token The token with data that needs to send
> out.
> > -
> > - @retval EFI_SUCCESS The token is processed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockSend (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - );
> > -
> > -/**
> > - Issue a token to get data from the socket.
> > -
> > - @param Sock Pointer to the socket to get data from.
> > - @param Token The token to store the received data
> from the
> > - socket.
> > -
> > - @retval EFI_SUCCESS The token is processed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > - @retval EFI_CONNECTION_FIN The connection is closed and there is no
> > more data.
> > - @retval EFI_OUT_OF_RESOURCE Failed to buffer the token due to
> > memory limit.
> > -
> > -**/
> > -EFI_STATUS
> > -SockRcv (
> > - IN SOCKET *Sock,
> > - IN VOID *Token
> > - );
> > -
> > -/**
> > - Reset the socket and its associated protocol control block.
> > -
> > - @param Sock Pointer to the socket to be flushed.
> > -
> > - @retval EFI_SUCCESS The socket is flushed successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > -
> > -**/
> > -EFI_STATUS
> > -SockFlush (
> > - IN SOCKET *Sock
> > - );
> > -
> > -/**
> > - Close or abort the socket associated connection.
> > -
> > - @param Sock Pointer to the socket of the connection
> to close or
> > - abort.
> > - @param Token The token for close operation.
> > - @param OnAbort TRUE for aborting the connection, FALSE
> to close it.
> > -
> > - @retval EFI_SUCCESS The close or abort operation is
> initialized
> > - successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket,
> > or the
> > - socket is closed, or the socket is not
> in a
> > - synchronized state , or the token is
> already in one
> > - of this socket's lists.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockClose (
> > - IN SOCKET *Sock,
> > - IN VOID *Token,
> > - IN BOOLEAN OnAbort
> > - );
> > -
> > -/**
> > - Get the mode data of the low layer protocol.
> > -
> > - @param Sock Pointer to the socket to get mode data
> from.
> > - @param Mode Pointer to the data to store the low
> layer mode
> > - information.
> > -
> > - @retval EFI_SUCCESS The mode data is got successfully.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockGetMode (
> > - IN SOCKET *Sock,
> > - IN OUT VOID *Mode
> > - );
> > -
> > -/**
> > - Add or remove route information in IP route table associated
> > - with this socket.
> > -
> > - @param Sock Pointer to the socket associated with
> the IP route
> > - table to operate on.
> > - @param RouteInfo Pointer to the route information to be
> processed.
> > -
> > - @retval EFI_SUCCESS The route table is updated successfully.
> > - @retval EFI_ACCESS_DENIED Failed to get the lock to access the
> socket.
> > - @retval EFI_NO_MAPPING The IP address configuration operation
> is
> > not
> > - finished.
> > - @retval EFI_NOT_STARTED The socket is not configured.
> > -
> > -**/
> > -EFI_STATUS
> > -SockRoute (
> > - IN SOCKET *Sock,
> > - IN VOID *RouteInfo
> > - );
> > -
> > -//
> > -// Supporting function to operate on socket buffer
> > -//
> > -
> > -/**
> > - Get the first buffer block in the specific socket buffer.
> > -
> > - @param Sockbuf Pointer to the socket buffer.
> > -
> > - @return Pointer to the first buffer in the queue. NULL if the queue
> is
> > empty.
> > -
> > -**/
> > -NET_BUF *
> > -SockBufFirst (
> > - IN SOCK_BUFFER *Sockbuf
> > - );
> > -
> > -/**
> > - Get the next buffer block in the specific socket buffer.
> > -
> > - @param Sockbuf Pointer to the socket buffer.
> > - @param SockEntry Pointer to the buffer block prior to
> the required
> > - one.
> > -
> > - @return Pointer to the buffer block next to SockEntry. NULL if
> SockEntry is
> > - the tail or head entry.
> > -
> > -**/
> > -NET_BUF *
> > -SockBufNext (
> > - IN SOCK_BUFFER *Sockbuf,
> > - IN NET_BUF *SockEntry
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.h
> > deleted file mode 100644
> > index 368f49c4ddb1..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Driver.h
> > +++ /dev/null
> > @@ -1,342 +0,0 @@
> > -/** @file
> > - Tcp driver function header.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _TCP4_DRIVER_H_
> > -#define _TCP4_DRIVER_H_
> > -
> > -#include <Protocol/ServiceBinding.h>
> > -#include <Library/IpIoLib.h>
> > -
> > -#define TCP4_DRIVER_SIGNATURE SIGNATURE_32 ('T', 'C', 'P', '4')
> > -
> > -#define TCP4_PORT_KNOWN 1024
> > -#define TCP4_PORT_USER_RESERVED 65535
> > -
> > -#define TCP4_FROM_THIS(a) \
> > - CR ( \
> > - (a), \
> > - TCP4_SERVICE_DATA, \
> > - Tcp4ServiceBinding, \
> > - TCP4_DRIVER_SIGNATURE \
> > - )
> > -
> > -///
> > -/// TCP heartbeat tick timer.
> > -///
> > -typedef struct _TCP4_HEARTBEAT_TIMER {
> > - EFI_EVENT TimerEvent; ///< The event assoiated with the
> timer
> > - INTN RefCnt; ///< Number of reference
> > -} TCP4_HEARTBEAT_TIMER;
> > -
> > -///
> > -/// TCP service data
> > -///
> > -typedef struct _TCP4_SERVICE_DATA {
> > - UINT32 Signature;
> > - EFI_HANDLE ControllerHandle;
> > - IP_IO *IpIo; // IP Io consumed by TCP4
> > - EFI_SERVICE_BINDING_PROTOCOL Tcp4ServiceBinding;
> > - EFI_HANDLE DriverBindingHandle;
> > - LIST_ENTRY SocketList;
> > -} TCP4_SERVICE_DATA;
> > -
> > -///
> > -/// TCP protocol data
> > -///
> > -typedef struct _TCP4_PROTO_DATA {
> > - TCP4_SERVICE_DATA *TcpService;
> > - TCP_CB *TcpPcb;
> > -} TCP4_PROTO_DATA;
> > -
> > -
> > -/**
> > - Packet receive callback function provided to IP_IO, used to call
> > - the proper function to handle the packet received by IP.
> > -
> > - @param Status Status of the received packet.
> > - @param IcmpErr ICMP error number.
> > - @param NetSession Pointer to the net session of this packet.
> > - @param Pkt Pointer to the recieved packet.
> > - @param Context Pointer to the context configured in IpIoOpen(),
> not
> > used
> > - now.
> > -
> > - @return None
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -Tcp4RxCallback (
> > - IN EFI_STATUS Status,
> > - IN UINT8 IcmpErr,
> > - IN EFI_NET_SESSION_DATA *NetSession,
> > - IN NET_BUF *Pkt,
> > - IN VOID *Context OPTIONAL
> > - );
> > -
> > -/**
> > - Send the segment to IP via IpIo function.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the TCP segment to be sent.
> > - @param Src Source address of the TCP segment.
> > - @param Dest Destination address of the TCP segment.
> > -
> > - @retval 0 The segment was sent out successfully.
> > - @retval -1 The segment was failed to send.
> > -
> > -**/
> > -INTN
> > -TcpSendIpPacket (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf,
> > - IN UINT32 Src,
> > - IN UINT32 Dest
> > - );
> > -
> > -/**
> > - The procotol handler provided to the socket layer, used to
> > - dispatch the socket level requests by calling the corresponding
> > - TCP layer functions.
> > -
> > - @param Sock Pointer to the socket of this TCP
> instance.
> > - @param Request The code of this operation request.
> > - @param Data Pointer to the operation specific data
> passed in
> > - together with the operation request.
> > -
> > - @retval EFI_SUCCESS The socket request is completed
> successfully.
> > - @retval other The error status returned by the
> corresponding TCP
> > - layer function.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4Dispatcher (
> > - IN SOCKET *Sock,
> > - IN UINT8 Request,
> > - IN VOID *Data OPTIONAL
> > - );
> > -
> > -
> > -/**
> > - The entry point for Tcp4 driver, used to install Tcp4 driver on the
> > ImageHandle.
> > -
> > - @param ImageHandle The firmware allocated handle for this
> > - driver image.
> > - @param SystemTable Pointer to the EFI system table.
> > -
> > - @retval EFI_SUCCESS Driver loaded.
> > - @retval other Driver not loaded.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverEntryPoint (
> > - IN EFI_HANDLE ImageHandle,
> > - IN EFI_SYSTEM_TABLE *SystemTable
> > - );
> > -
> > -
> > -/**
> > - Tests to see if this driver supports a given controller.
> > -
> > - If a child device is provided, it further tests to see if this driver
> supports
> > - creating a handle for the specified child device.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle The handle of the controller to test.
> This
> > handle
> > - must support a protocol interface that
> supplies
> > - an I/O abstraction to the driver.
> > - @param RemainingDevicePath A pointer to the remaining portion of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is optional
> > for bus drivers.
> > -
> > -
> > - @retval EFI_SUCCESS The device specified by ControllerHandle
> and
> > - RemainingDevicePath is supported by the
> driver
> > - specified by This.
> > - @retval EFI_ALREADY_STARTED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by
> > - the driver specified by This.
> > - @retval EFI_ACCESS_DENIED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is already being
> managed by a
> > - different driver or an application that
> requires
> > - exclusive access.
> > - @retval EFI_UNSUPPORTED The device specified by ControllerHandle
> > and
> > - RemainingDevicePath is not supported by
> the driver
> > - specified by This.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Start this driver on ControllerHandle.
> > -
> > - The Start() function is designed to be invoked from the EFI boot
> service
> > - ConnectController(). As a result, much of the error checking on the
> > parameters
> > - to Start() has been moved into this common boot service. It is legal
> to call
> > - Start() from other locations, but the following calling restrictions
> must be
> > - followed or the system behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE.
> > - 2. If RemainingDevicePath is not NULL, then it must be a pointer to a
> > naturally
> > - aligned EFI_DEVICE_PATH_PROTOCOL.
> > - 3. Prior to calling Start(), the Supported() function for the driver
> specified
> > - by This must have been called with the same calling parameters,
> and
> > Supported()
> > - must have returned EFI_SUCCESS.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle The handle of the controller to start.
> This
> > handle
> > - must support a protocol interface that
> supplies
> > - an I/O abstraction to the driver.
> > - @param RemainingDevicePath A pointer to the remaining portion of a
> > device path.
> > - This parameter is ignored by device
> drivers, and is
> > - optional for bus drivers.
> > -
> > - @retval EFI_SUCCESS The device was started.
> > - @retval EFI_ALREADY_STARTED The device could not be started due to a
> > device error.
> > - @retval EFI_OUT_OF_RESOURCES The request could not be completed
> > due to a lack
> > - of resources.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Stop this driver on ControllerHandle.
> > -
> > - The Stop() function is designed to be invoked from the EFI boot
> service
> > - DisconnectController(). As a result, much of the error checking on
> the
> > parameters
> > - to Stop() has been moved into this common boot service. It is legal
> to call
> > Stop()
> > - from other locations, but the following calling restrictions must be
> followed
> > - or the system behavior will not be deterministic.
> > - 1. ControllerHandle must be a valid EFI_HANDLE that was used on a
> > previous call
> > - to this same driver's Start() function.
> > - 2. The first NumberOfChildren handles of ChildHandleBuffer must all
> be a
> > valid
> > - EFI_HANDLE. In addition, all of these handles must have been
> created in
> > this
> > - driver's Start() function, and the Start() function must have
> called
> > OpenProtocol()
> > - on ControllerHandle with an Attribute of
> > EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.
> > -
> > - @param This A pointer to the
> EFI_DRIVER_BINDING_PROTOCOL
> > instance.
> > - @param ControllerHandle A handle to the device being stopped. The
> > handle must
> > - support a bus specific I/O protocol for the
> driver
> > - to use to stop the device.
> > - @param NumberOfChildren The number of child device handles in
> > ChildHandleBuffer.
> > - @param ChildHandleBuffer An array of child handles to be freed. May
> be
> > NULL if
> > - NumberOfChildren is 0.
> > -
> > - @retval EFI_SUCCESS The device was stopped.
> > - @retval EFI_DEVICE_ERROR The device could not be stopped due to a
> > device error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4DriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer
> > - );
> > -
> > -/**
> > - Open Ip4 and device path protocols for a created socket, and insert
> it in
> > - socket list.
> > -
> > - @param This Pointer to the socket just created
> > - @param Context Context of the socket
> > -
> > - @retval EFI_SUCCESS This protocol is installed successfully.
> > - @retval other Some error occured.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4CreateSocketCallback (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - );
> > -
> > -/**
> > - Close Ip4 and device path protocols for a socket, and remove it from
> socket
> > list.
> > -
> > - @param This Pointer to the socket to be removed
> > - @param Context Context of the socket
> > -
> > -**/
> > -VOID
> > -Tcp4DestroySocketCallback (
> > - IN SOCKET *This,
> > - IN VOID *Context
> > - );
> > -
> > -/**
> > - Creates a child handle and installs a protocol.
> > -
> > - The CreateChild() function installs a protocol on ChildHandle. If
> ChildHandle
> > - is a pointer to NULL, then a new handle is created and returned in
> > ChildHandle.
> > - If ChildHandle is not a pointer to NULL, then the protocol installs
> on the
> > existing
> > - ChildHandle.
> > -
> > - @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
> > instance.
> > - @param ChildHandle Pointer to the handle of the child to create. If
> it is
> > NULL, then
> > - a new handle is created. If it is a pointer to an
> existing UEFI
> > - handle, then the protocol is added to the
> existing UEFI handle.
> > -
> > - @retval EFI_SUCCES The protocol was added to ChildHandle.
> > - @retval EFI_INVALID_PARAMETER ChildHandle is NULL.
> > - @retval EFI_OUT_OF_RESOURCES There are not enough resources
> > available to create
> > - the child.
> > - @retval other The child handle was not created.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4ServiceBindingCreateChild (
> > - IN EFI_SERVICE_BINDING_PROTOCOL *This,
> > - IN OUT EFI_HANDLE *ChildHandle
> > - );
> > -
> > -/**
> > - Destroys a child handle with a protocol installed on it.
> > -
> > - The DestroyChild() function does the opposite of CreateChild(). It
> removes
> > a protocol
> > - that was installed by CreateChild() from ChildHandle. If the removed
> > protocol is the
> > - last protocol on ChildHandle, then ChildHandle is destroyed.
> > -
> > - @param This Pointer to the EFI_SERVICE_BINDING_PROTOCOL
> > instance.
> > - @param ChildHandle Handle of the child to destroy
> > -
> > - @retval EFI_SUCCES The protocol was removed from
> ChildHandle.
> > - @retval EFI_UNSUPPORTED ChildHandle does not support the
> protocol
> > that is
> > - being removed.
> > - @retval EFI_INVALID_PARAMETER Child handle is NULL.
> > - @retval EFI_ACCESS_DENIED The protocol could not be removed from
> > the ChildHandle
> > - because its services are being used.
> > - @retval other The child handle was not destroyed.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4ServiceBindingDestroyChild (
> > - IN EFI_SERVICE_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ChildHandle
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf
> > deleted file mode 100644
> > index 7c0504770b48..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.inf
> > +++ /dev/null
> > @@ -1,94 +0,0 @@
> > -## @file
> > -# This module produces EFI TCPv4 Protocol and EFI TCPv4 Service
> Binding
> > Protocol.
> > -#
> > -# This module produces EFI TCPv4(Transmission Control Protocol version
> 4)
> > Protocol
> > -# upon EFI IPv4 Protocol, to provide basic TCPv4 I/O services. This
> driver
> > only
> > -# supports IPv4 network stack.
> > -#
> > -# Notes:
> > -# 1) This driver can't co-work with the TcpDxe driver in NetworkPkg.
> > -# 2) This driver might have some issues that have been fixed in the
> TcpDxe
> > driver
> > -# in NetworkPkg.
> > -# 3) This driver supports fewer features than the TcpDxe driver in
> > NetworkPkg (e.g. IPv6,
> > -# TCP Cancel function).
> > -# 4) TcpDxe driver in NetworkPkg is recommended for use instead of
> this
> > one even though
> > -# both of them can be used.
> > -#
> > -# Copyright (c) 2006 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -# This program and the accompanying materials
> > -# are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -# which accompanies this distribution. The full text of the license
> may be
> > found at
> > -# http://opensource.org/licenses/bsd-license.php
> > -#
> > -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -#
> > -#
> > -##
> > -
> > -[Defines]
> > - INF_VERSION = 0x00010005
> > - BASE_NAME = Tcp4Dxe
> > - MODULE_UNI_FILE = Tcp4Dxe.uni
> > - FILE_GUID = 6d6963ab-906d-4a65-a7ca-bd40e5d6af4d
> > - MODULE_TYPE = UEFI_DRIVER
> > - VERSION_STRING = 1.0
> > - ENTRY_POINT = Tcp4DriverEntryPoint
> > - UNLOAD_IMAGE = NetLibDefaultUnload
> > -#
> > -# The following information is for reference only and not required by
> the
> > build tools.
> > -#
> > -# VALID_ARCHITECTURES = IA32 X64 EBC
> > -#
> > -# DRIVER_BINDING = mTcp4DriverBinding
> > -# COMPONENT_NAME = gTcp4ComponentName
> > -# COMPONENT_NAME2 = gTcp4ComponentName2
> > -#
> > -
> > -[Sources]
> > - SockImpl.c
> > - SockInterface.c
> > - Tcp4Proto.h
> > - Tcp4Main.h
> > - SockImpl.h
> > - Tcp4Output.c
> > - Tcp4Timer.c
> > - Tcp4Option.h
> > - Tcp4Dispatcher.c
> > - Tcp4Input.c
> > - Tcp4Misc.c
> > - Tcp4Main.c
> > - Socket.h
> > - ComponentName.c
> > - Tcp4Driver.h
> > - Tcp4Io.c
> > - Tcp4Driver.c
> > - Tcp4Func.h
> > - Tcp4Option.c
> > -
> > -
> > -[Packages]
> > - MdePkg/MdePkg.dec
> > - MdeModulePkg/MdeModulePkg.dec
> > -
> > -[LibraryClasses]
> > - UefiLib
> > - UefiBootServicesTableLib
> > - UefiDriverEntryPoint
> > - UefiRuntimeServicesTableLib
> > - BaseMemoryLib
> > - MemoryAllocationLib
> > - DebugLib
> > - NetLib
> > - IpIoLib
> > - DevicePathLib
> > - DpcLib
> > -
> > -[Protocols]
> > - gEfiTcp4ServiceBindingProtocolGuid ## BY_START
> > - gEfiIp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiTcp4ProtocolGuid ## BY_START
> > - gEfiIp4ProtocolGuid ## TO_START
> > -
> > -[UserExtensions.TianoCore."ExtraFiles"]
> > - Tcp4DxeExtra.uni
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.uni
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.uni
> > deleted file mode 100644
> > index 1514a3917766..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dxe.uni
> > +++ /dev/null
> > @@ -1,23 +0,0 @@
> > -// /** @file
> > -// This module produces EFI TCPv4 Protocol and EFI TCPv4 Service
> Binding
> > Protocol.
> > -//
> > -// This module produces EFI TCPv4(Transmission Control Protocol version
> 4)
> > Protocol
> > -// upon EFI IPv4 Protocol, to provide basic TCPv4 I/O services.
> > -//
> > -// Copyright (c) 2006 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -
> > -#string STR_MODULE_ABSTRACT #language en-US "Produces EFI
> > TCPv4 Protocol and EFI TCPv4 Service Binding Protocol"
> > -
> > -#string STR_MODULE_DESCRIPTION #language en-US "This module
> > produces EFI TCPv4(Transmission Control Protocol version 4) Protocol
> upon
> > EFI IPv4 Protocol to provide basic TCPv4 I/O services."
> > -
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4DxeExtra.uni
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4DxeExtra.uni
> > deleted file mode 100644
> > index 0e6d2f2896f3..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4DxeExtra.uni
> > +++ /dev/null
> > @@ -1,20 +0,0 @@
> > -// /** @file
> > -// Tcp4Dxe Localized Strings and Content
> > -//
> > -// Copyright (c) 2013 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -#string STR_PROPERTIES_MODULE_NAME
> > -#language en-US
> > -"TCP v4 DXE Driver"
> > -
> > -
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Func.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Func.h
> > deleted file mode 100644
> > index 53b7aac8ae98..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Func.h
> > +++ /dev/null
> > @@ -1,781 +0,0 @@
> > -/** @file
> > - Tcp function header file.
> > -
> > -Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _TCP4_FUNC_H_
> > -#define _TCP4_FUNC_H_
> > -
> > -//
> > -// Declaration of all the functions in TCP
> > -// protocol. It is intended to keep tcp.h
> > -// clear.
> > -//
> > -
> > -//
> > -// Functions in tcp.c
> > -//
> > -
> > -/**
> > - Try to find one Tcb whose <Ip, Port> equals to <IN Addr, IN Port>.
> > -
> > - @param Addr Pointer to the IP address needs to
> match.
> > - @param Port The port number needs to match.
> > -
> > - @return The Tcb which matches the <Addr Port> paire exists or not.
> > -
> > -**/
> > -BOOLEAN
> > -TcpFindTcbByPeer (
> > - IN EFI_IPv4_ADDRESS *Addr,
> > - IN TCP_PORTNO Port
> > - );
> > -
> > -/**
> > - Locate the TCP_CB related to the socket pair.
> > -
> > - @param LocalPort The local port number.
> > - @param LocalIp The local IP address.
> > - @param RemotePort The remote port number.
> > - @param RemoteIp The remote IP address.
> > - @param Syn Whether to search the listen sockets,
> if TRUE, the
> > - listen sockets are searched.
> > -
> > - @return Pointer to the related TCP_CB, if NULL no match is found.
> > -
> > -**/
> > -TCP_CB *
> > -TcpLocateTcb (
> > - IN TCP_PORTNO LocalPort,
> > - IN UINT32 LocalIp,
> > - IN TCP_PORTNO RemotePort,
> > - IN UINT32 RemoteIp,
> > - IN BOOLEAN Syn
> > - );
> > -
> > -/**
> > - Insert a Tcb into the proper queue.
> > -
> > - @param Tcb Pointer to the TCP_CB to be inserted.
> > -
> > - @retval 0 The Tcb is inserted successfully.
> > - @retval -1 Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpInsertTcb (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Clone a TCP_CB from Tcb.
> > -
> > - @param Tcb Pointer to the TCP_CB to be cloned.
> > -
> > - @return Pointer to the new cloned TCP_CB, if NULL error condition
> > occurred.
> > -
> > -**/
> > -TCP_CB *
> > -TcpCloneTcb (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Compute an ISS to be used by a new connection.
> > -
> > - @return The result ISS.
> > -
> > -**/
> > -TCP_SEQNO
> > -TcpGetIss (
> > - VOID
> > - );
> > -
> > -/**
> > - Initialize the Tcb local related members.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpInitTcbLocal (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Initialize the peer related members.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param Seg Pointer to the segment that contains
> the peer's
> > - intial info.
> > - @param Opt Pointer to the options announced by the
> peer.
> > -
> > -**/
> > -VOID
> > -TcpInitTcbPeer (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg,
> > - IN TCP_OPTION *Opt
> > - );
> > -
> > -/**
> > - Get the local mss.
> > -
> > - @param Sock Pointer to the socket to get mss
> > -
> > - @return The mss size.
> > -
> > -**/
> > -UINT16
> > -TcpGetRcvMss (
> > - IN SOCKET *Sock
> > - );
> > -
> > -/**
> > - Set the Tcb's state.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param State The state to be set.
> > -
> > -**/
> > -VOID
> > -TcpSetState (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT8 State
> > - );
> > -
> > -//
> > -// Functions in Tcp4Output.c
> > -//
> > -/**
> > - Send the segment to IP via IpIo function.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the TCP segment to be sent.
> > - @param Src Source address of the TCP segment.
> > - @param Dest Destination address of the TCP segment.
> > -
> > - @retval 0 The segment was sent out successfully.
> > - @retval -1 The segment was failed to send.
> > -
> > -**/
> > -INTN
> > -TcpSendIpPacket (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf,
> > - IN UINT32 Src,
> > - IN UINT32 Dest
> > - );
> > -
> > -/**
> > - Check whether to send data/SYN/FIN and piggy back an ACK.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Force Whether to ignore the sender's SWS avoidance
> algorithm
> > and send
> > - out data by force.
> > -
> > - @return The number of bytes sent.
> > -
> > -**/
> > -INTN
> > -TcpToSendData (
> > - IN OUT TCP_CB *Tcb,
> > - IN INTN Force
> > - );
> > -
> > -/**
> > - Check whether to send an ACK or delayed ACK.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpToSendAck (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Send an ACK immediately.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSendAck (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Send a zero probe segment. It can be used by keepalive and zero
> window
> > probe.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @retval 0 The zero probe segment was sent out successfully.
> > - @retval other Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpSendZeroProbe (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Process the data and FIN flag, check whether to deliver
> > - data to the socket layer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @retval 0 No error occurred to deliver data.
> > - @retval -1 Error condition occurred. Proper response is to
> reset the
> > - connection.
> > -
> > -**/
> > -INTN
> > -TcpDeliverData (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Send a RESET segment in response to the segment received.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance, may be
> NULL.
> > - @param Head TCP header of the segment that triggers the reset.
> > - @param Len Length of the segment that triggers the reset.
> > - @param Local Local IP address.
> > - @param Remote Remote peer's IP address.
> > -
> > - @retval 0 A reset is sent or no need to send it.
> > - @retval -1 No reset is sent.
> > -
> > -**/
> > -INTN
> > -TcpSendReset (
> > - IN TCP_CB *Tcb,
> > - IN TCP_HEAD *Head,
> > - IN INT32 Len,
> > - IN UINT32 Local,
> > - IN UINT32 Remote
> > - );
> > -
> > -/**
> > - Compute the sequence space left in the old receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The sequence space left in the old receive window.
> > -
> > -**/
> > -UINT32
> > -TcpRcvWinOld (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Compute the current receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The size of the current receive window, in bytes.
> > -
> > -**/
> > -UINT32
> > -TcpRcvWinNow (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Retransmit the segment from sequence Seq.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment to be
> retransmitted.
> > -
> > - @retval 0 Retransmission succeeded.
> > - @retval -1 Error condition occurred.
> > -
> > -**/
> > -INTN
> > -TcpRetransmit (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq
> > - );
> > -
> > -/**
> > - Compute how much data to send.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Force Whether to ignore the sender's SWS avoidance
> algorithm
> > and send
> > - out data by force.
> > -
> > - @return The length of the data can be sent, if 0, no data can be sent.
> > -
> > -**/
> > -UINT32
> > -TcpDataToSend (
> > - IN TCP_CB *Tcb,
> > - IN INTN Force
> > - );
> > -
> > -/**
> > - Verify that the segment is in good shape.
> > -
> > - @param Nbuf Buffer that contains the segment to be checked.
> > -
> > - @retval 0 The segment is broken.
> > - @retval 1 The segment is in good shape.
> > -
> > -**/
> > -INTN
> > -TcpVerifySegment (
> > - IN NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Verify that all the segments in SndQue are in good shape.
> > -
> > - @param Head Pointer to the head node of the SndQue.
> > -
> > - @retval 0 At least one segment is broken.
> > - @retval 1 All segments in the specific queue are in good shape.
> > -
> > -**/
> > -INTN
> > -TcpCheckSndQue (
> > - IN LIST_ENTRY *Head
> > - );
> > -
> > -/**
> > - Get a segment from the Tcb's SndQue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegmentSndQue (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - Get a segment from the Tcb's socket buffer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegmentSock (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - Get a segment starting from sequence Seq of a maximum
> > - length of Len.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seq The sequence number of the segment.
> > - @param Len The maximum length of the segment.
> > -
> > - @return Pointer to the segment, if NULL some error occurred.
> > -
> > -**/
> > -NET_BUF *
> > -TcpGetSegment (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Seq,
> > - IN UINT32 Len
> > - );
> > -
> > -/**
> > - Get the maximum SndNxt.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The sequence number of the maximum SndNxt.
> > -
> > -**/
> > -TCP_SEQNO
> > -TcpGetMaxSndNxt (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -//
> > -// Functions from Tcp4Input.c
> > -//
> > -/**
> > - Process the received ICMP error messages for TCP.
> > -
> > - @param Nbuf Buffer that contains part of the TCP segment without
> IP
> > header
> > - truncated from the ICMP error packet.
> > - @param IcmpErr The ICMP error code interpreted from ICMP error
> packet.
> > - @param Src Source address of the ICMP error message.
> > - @param Dst Destination address of the ICMP error message.
> > -
> > -**/
> > -VOID
> > -TcpIcmpInput (
> > - IN NET_BUF *Nbuf,
> > - IN UINT8 IcmpErr,
> > - IN UINT32 Src,
> > - IN UINT32 Dst
> > - );
> > -
> > -/**
> > - Process the received TCP segments.
> > -
> > - @param Nbuf Buffer that contains received TCP segment without IP
> > header.
> > - @param Src Source address of the segment, or the peer's IP
> address.
> > - @param Dst Destination address of the segment, or the local
> end's IP
> > - address.
> > -
> > - @retval 0 Segment is processed successfully. It is either
> accepted or
> > - discarded. But no connection is reset by the segment.
> > - @retval -1 A connection is reset by the segment.
> > -
> > -**/
> > -INTN
> > -TcpInput (
> > - IN NET_BUF *Nbuf,
> > - IN UINT32 Src,
> > - IN UINT32 Dst
> > - );
> > -
> > -/**
> > - Check whether the sequence number of the incoming segment is
> > acceptable.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Pointer to the incoming segment.
> > -
> > - @retval 1 The sequence number is acceptable.
> > - @retval 0 The sequence number is not acceptable.
> > -
> > -**/
> > -INTN
> > -TcpSeqAcceptable (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - );
> > -
> > -/**
> > - NewReno fast recovery, RFC3782.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Segment that triggers the fast recovery.
> > -
> > -**/
> > -VOID
> > -TcpFastRecover (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - );
> > -
> > -/**
> > - NewReno fast loss recovery, RFC3792.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Seg Segment that triggers the fast loss recovery.
> > -
> > -**/
> > -VOID
> > -TcpFastLossRecover (
> > - IN OUT TCP_CB *Tcb,
> > - IN TCP_SEG *Seg
> > - );
> > -
> > -/**
> > - Compute the RTT as specified in RFC2988.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Measure Currently measured RTT in heart beats.
> > -
> > -**/
> > -VOID
> > -TcpComputeRtt (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT32 Measure
> > - );
> > -
> > -/**
> > - Trim off the data outside the tcb's receive window.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the NET_BUF containing the received tcp
> > segment.
> > -
> > -**/
> > -VOID
> > -TcpTrimInWnd (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Store the data into the reassemble queue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer containing the data to be
> queued.
> > -
> > -**/
> > -VOID
> > -TcpQueueData (
> > - IN OUT TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Ajust the send queue or the retransmit queue.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Ack The acknowledge seuqence number of the received
> > segment.
> > -
> > -**/
> > -VOID
> > -TcpAdjustSndQue (
> > - IN TCP_CB *Tcb,
> > - IN TCP_SEQNO Ack
> > - );
> > -
> > -//
> > -// Functions from Tcp4Misc.c
> > -//
> > -/**
> > - Compute the TCP segment's checksum.
> > -
> > - @param Nbuf Pointer to the buffer that contains the
> TCP
> > - segment.
> > - @param HeadSum The checksum value of the fixed part of
> pseudo
> > - header.
> > -
> > - @return The checksum value.
> > -
> > -**/
> > -UINT16
> > -TcpChecksum (
> > - IN NET_BUF *Nbuf,
> > - IN UINT16 HeadSum
> > - );
> > -
> > -/**
> > - Translate the information from the head of the received TCP
> > - segment Nbuf contains and fill it into a TCP_SEG structure.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > - @param Nbuf Pointer to the buffer contains the TCP
> segment.
> > -
> > - @return Pointer to the TCP_SEG that contains the translated TCP head
> > information.
> > -
> > -**/
> > -TCP_SEG *
> > -TcpFormatNetbuf (
> > - IN TCP_CB *Tcb,
> > - IN OUT NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Initialize an active connection.
> > -
> > - @param Tcb Pointer to the TCP_CB that wants to
> initiate a
> > - connection.
> > -
> > -**/
> > -VOID
> > -TcpOnAppConnect (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Application has consumed some data, check whether
> > - to send a window updata ack or a delayed ack.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppConsume (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Initiate the connection close procedure, called when
> > - applications want to close the connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppClose (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Check whether the application's newly delivered data can be sent out.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP
> instance.
> > -
> > - @retval 0 Whether the data is sent out or is
> buffered for
> > - further sending.
> > - @retval -1 The Tcb is not in a state that data is
> permitted to
> > - be sent out.
> > -
> > -**/
> > -INTN
> > -TcpOnAppSend (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Abort the connection by sending a reset segment, called
> > - when the application wants to abort the connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of the TCP
> instance.
> > -
> > -**/
> > -VOID
> > -TcpOnAppAbort (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Reset the connection related with Tcb.
> > -
> > - @param Tcb Pointer to the TCP_CB of the connection
> to be
> > - reset.
> > -
> > -**/
> > -VOID
> > -TcpResetConnection (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -//
> > -// Functions in Tcp4Timer.c
> > -//
> > -/**
> > - Close the TCP connection.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpClose (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Heart beat timer handler, queues the DPC at TPL_CALLBACK.
> > -
> > - @param Event Timer event signaled, ignored.
> > - @param Context Context of the timer event, ignored.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -TcpTicking (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - );
> > -
> > -/**
> > - Enable a TCP timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Timer The index of the timer to be enabled.
> > - @param TimeOut The timeout value of this timer.
> > -
> > -**/
> > -VOID
> > -TcpSetTimer (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT16 Timer,
> > - IN UINT32 TimeOut
> > - );
> > -
> > -/**
> > - Clear one TCP timer.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Timer The index of the timer to be cleared.
> > -
> > -**/
> > -VOID
> > -TcpClearTimer (
> > - IN OUT TCP_CB *Tcb,
> > - IN UINT16 Timer
> > - );
> > -
> > -/**
> > - Clear all TCP timers.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpClearAllTimer (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Enable the window prober timer and set the timeout value.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSetProbeTimer (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Enable the keepalive timer and set the timeout value.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpSetKeepaliveTimer (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Backoff the RTO.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > -**/
> > -VOID
> > -TcpBackoffRto (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Install the device path protocol on the TCP instance.
> > -
> > - @param Sock Pointer to the socket representing the TCP
> instance.
> > -
> > - @retval EFI_SUCCESS The device path protocol is installed.
> > - @retval other Failed to install the device path protocol.
> > -
> > -**/
> > -EFI_STATUS
> > -TcpInstallDevicePath (
> > - IN SOCKET *Sock
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.h
> > deleted file mode 100644
> > index c898a7ee2dd0..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.h
> > +++ /dev/null
> > @@ -1,494 +0,0 @@
> > -/** @file
> > - TCP4 protocol services header file.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _TCP4_MAIN_H_
> > -#define _TCP4_MAIN_H_
> > -
> > -#include "Socket.h"
> > -
> > -#include "Tcp4Proto.h"
> > -#include "Tcp4Func.h"
> > -#include "Tcp4Driver.h"
> > -
> > -
> > -extern UINT16 mTcp4RandomPort;
> > -extern CHAR16 *mTcpStateName[];
> > -
> > -//
> > -// Driver Produced Protocol Prototypes
> > -//
> > -
> > -//
> > -// Function prototype for the Tcp4 socket request handler
> > -//
> > -/**
> > - The procotol handler provided to the socket layer, used to
> > - dispatch the socket level requests by calling the corresponding
> > - TCP layer functions.
> > -
> > - @param Sock Pointer to the socket of this TCP
> instance.
> > - @param Request The code of this operation request.
> > - @param Data Pointer to the operation specific data
> passed in
> > - together with the operation request.
> > -
> > - @retval EFI_SUCCESS The socket request is completed
> successfully.
> > - @retval other The error status returned by the
> corresponding TCP
> > - layer function.
> > -
> > -**/
> > -EFI_STATUS
> > -Tcp4Dispatcher (
> > - IN SOCKET *Sock,
> > - IN UINT8 Request,
> > - IN VOID *Data OPTIONAL
> > - );
> > -
> > -///
> > -/// TCP mode data
> > -///
> > -typedef struct _TCP4_MODE_DATA {
> > - EFI_TCP4_CONNECTION_STATE *Tcp4State;
> > - EFI_TCP4_CONFIG_DATA *Tcp4ConfigData;
> > - EFI_IP4_MODE_DATA *Ip4ModeData;
> > - EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData;
> > - EFI_SIMPLE_NETWORK_MODE *SnpModeData;
> > -} TCP4_MODE_DATA;
> > -
> > -///
> > -/// TCP route infomation data
> > -///
> > -typedef struct _TCP4_ROUTE_INFO {
> > - BOOLEAN DeleteRoute;
> > - EFI_IPv4_ADDRESS *SubnetAddress;
> > - EFI_IPv4_ADDRESS *SubnetMask;
> > - EFI_IPv4_ADDRESS *GatewayAddress;
> > -} TCP4_ROUTE_INFO;
> > -
> > -typedef struct {
> > - EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
> > - UINTN NumberOfChildren;
> > - EFI_HANDLE *ChildHandleBuffer;
> > -} TCP4_DESTROY_CHILD_IN_HANDLE_BUF_CONTEXT;
> > -
> > -/**
> > - Get the current operational status of a TCP instance.
> > -
> > - The GetModeData() function copies the current operational settings of
> this
> > - EFI TCPv4 Protocol instance into user-supplied buffers. This function
> can
> > - also be used to retrieve the operational setting of underlying
> drivers
> > - such as IPv4, MNP, or SNP.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Tcp4State Pointer to the buffer to receive the
> current TCP
> > - state.
> > - @param Tcp4ConfigData Pointer to the buffer to receive the
> current
> > TCP
> > - configuration.
> > - @param Ip4ModeData Pointer to the buffer to receive the
> current
> > IPv4
> > - configuration data used by the TCPv4
> instance.
> > - @param MnpConfigData Pointer to the buffer to receive the
> current
> > MNP
> > - configuration data indirectly used
> by the TCPv4
> > - Instance.
> > - @param SnpModeData Pointer to the buffer to receive the
> current
> > SNP
> > - configuration data indirectly used
> by the TCPv4
> > - Instance.
> > -
> > - @retval EFI_SUCCESS The mode data was read.
> > - @retval EFI_NOT_STARTED No configuration data is available
> because
> > this
> > - instance hasn't been started.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4GetModeData (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - OUT EFI_TCP4_CONNECTION_STATE *Tcp4State OPTIONAL,
> > - OUT EFI_TCP4_CONFIG_DATA *Tcp4ConfigData OPTIONAL,
> > - OUT EFI_IP4_MODE_DATA *Ip4ModeData OPTIONAL,
> > - OUT EFI_MANAGED_NETWORK_CONFIG_DATA *MnpConfigData
> > OPTIONAL,
> > - OUT EFI_SIMPLE_NETWORK_MODE *SnpModeData OPTIONAL
> > - );
> > -
> > -
> > -/**
> > - Initialize or brutally reset the operational parameters for
> > - this EFI TCPv4 instance.
> > -
> > - The Configure() function does the following:
> > - * Initialize this EFI TCPv4 instance, i.e., initialize the
> communication end
> > - setting, specify active open or passive open for an instance.
> > - * Reset this TCPv4 instance brutally, i.e., cancel all pending
> asynchronous
> > - tokens, flush transmission and receiving buffer directly without
> informing
> > - the communication peer.
> > - No other TCPv4 Protocol operation can be executed by this instance
> > - until it is configured properly. For an active TCP4 instance, after a
> proper
> > - configuration it may call Connect() to initiates the three-way
> handshake.
> > - For a passive TCP4 instance, its state will transit to
> Tcp4StateListen after
> > - configuration, and Accept() may be called to listen the incoming TCP
> > connection
> > - request. If TcpConfigData is set to NULL, the instance is reset.
> Resetting
> > - process will be done brutally, the state machine will be set to
> > Tcp4StateClosed
> > - directly, the receive queue and transmit queue will be flushed, and
> no
> > traffic is
> > - allowed through this instance.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param TcpConfigData Pointer to the configure data to
> configure the
> > - instance.
> > -
> > - @retval EFI_SUCCESS The operational settings are set,
> changed, or
> > - reset successfully.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (through DHCP, BOOTP, RARP, etc.) is
> not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_ACCESS_DENIED Configuring TCP instance when it is
> > already
> > - configured.
> > - @retval EFI_DEVICE_ERROR An unexpected network or system
> error
> > occurred.
> > - @retval EFI_UNSUPPORTED One or more of the control options
> are
> > not
> > - supported in the implementation.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough system
> > resources.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Configure (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CONFIG_DATA *TcpConfigData OPTIONAL
> > - );
> > -
> > -/**
> > - Add or delete routing entries.
> > -
> > - The Routes() function adds or deletes a route from the instance's
> routing
> > table.
> > - The most specific route is selected by comparing the SubnetAddress
> with
> > the
> > - destination IP address's arithmetical AND to the SubnetMask.
> > - The default route is added with both SubnetAddress and SubnetMask set
> > to 0.0.0.0.
> > - The default route matches all destination IP addresses if there is no
> more
> > specific route.
> > - Direct route is added with GatewayAddress set to 0.0.0.0. Packets are
> sent
> > to
> > - the destination host if its address can be found in the Address
> Resolution
> > Protocol (ARP)
> > - cache or it is on the local subnet. If the instance is configured to
> use default
> > - address, a direct route to the local network will be added
> automatically.
> > - Each TCP instance has its own independent routing table. Instance
> that
> > uses the
> > - default IP address will have a copy of the EFI_IP4_CONFIG_PROTOCOL's
> > routing table.
> > - The copy will be updated automatically whenever the IP driver
> > reconfigures its
> > - instance. As a result, the previous modification to the instance's
> local copy
> > - will be lost. The priority of checking the route table is specific
> with IP
> > - implementation and every IP implementation must comply with RFC 1122.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param DeleteRoute If TRUE, delete the specified route
> from
> > routing
> > - table; if FALSE, add the specified
> route to
> > - routing table.
> > - DestinationAddress and SubnetMask
> are used as
> > - the keywords to search route entry.
> > - @param SubnetAddress The destination network.
> > - @param SubnetMask The subnet mask for the destination
> network.
> > - @param GatewayAddress The gateway address for this route.
> > - It must be on the same subnet with
> the station
> > - address unless a direct route is
> specified.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance has
> not
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (through DHCP, BOOTP, RARP, etc.) is
> not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources
> > to add the
> > - entry to the routing table.
> > - @retval EFI_NOT_FOUND This route is not in the routing
> table.
> > - @retval EFI_ACCESS_DENIED This route is already in the routing
> table.
> > - @retval EFI_UNSUPPORTED The TCP driver does not support this
> > operation.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Routes (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN BOOLEAN DeleteRoute,
> > - IN EFI_IPv4_ADDRESS *SubnetAddress,
> > - IN EFI_IPv4_ADDRESS *SubnetMask,
> > - IN EFI_IPv4_ADDRESS *GatewayAddress
> > - );
> > -
> > -/**
> > - Initiate a nonblocking TCP connection request for an active TCP
> instance.
> > -
> > - The Connect() function will initiate an active open to the remote
> peer
> > configured
> > - in current TCP instance if it is configured active. If the connection
> succeeds
> > - or fails due to any error, the ConnectionToken->CompletionToken.Event
> > will be
> > - signaled and ConnectionToken->CompletionToken.Status will be updated
> > accordingly.
> > - This function can only be called for the TCP instance in
> Tcp4StateClosed
> > state.
> > - The instance will transfer into Tcp4StateSynSent if the function
> returns
> > EFI_SUCCESS.
> > - If TCP three way handshake succeeds, its state will become
> > Tcp4StateEstablished,
> > - otherwise, the state will return to Tcp4StateClosed.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param ConnectionToken Pointer to the connection token to
> return
> > when
> > - the TCP three way handshake finishes.
> > -
> > - @retval EFI_SUCCESS The connection request is
> successfully initiated
> > - and the state of this TCPv4 instance
> has
> > - been changed to Tcp4StateSynSent.
> > - @retval EFI_NOT_STARTED This EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED The instance is not configured as an
> active
> > one
> > - or it is not in Tcp4StateClosed
> state.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES The driver can't allocate enough
> > resource to
> > - initiate the active open.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Connect (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CONNECTION_TOKEN *ConnectionToken
> > - );
> > -
> > -/**
> > - Listen on the passive instance to accept an incoming connection
> request.
> > -
> > - The Accept() function initiates an asynchronous accept request to
> wait for
> > an
> > - incoming connection on the passive TCP instance. If a remote peer
> > successfully
> > - establishes a connection with this instance, a new TCP instance will
> be
> > created
> > - and its handle will be returned in ListenToken->NewChildHandle. The
> > newly created
> > - instance is configured by inheriting the passive instance's
> configuration and
> > is
> > - ready for use upon return. The instance is in the
> Tcp4StateEstablished state.
> > - The ListenToken->CompletionToken.Event will be signaled when a new
> > connection
> > - is accepted, user aborts the listen or connection is reset. This
> function only
> > - can be called when current TCP instance is in Tcp4StateListen state.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param ListenToken Pointer to the listen token to
> return when
> > - operation finishes.
> > -
> > - @retval EFI_SUCCESS The listen token has been queued
> successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED The instatnce is not a passive one
> or it is
> > not
> > - in Tcp4StateListen state or a same
> listen token
> > - has already existed in the listen
> token queue of
> > - this TCP instance.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resources
> > to finish
> > - the operation.
> > - @retval EFI_DEVICE_ERROR Any unexpected and not belonged to
> > above category error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Accept (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_LISTEN_TOKEN *ListenToken
> > - );
> > -
> > -/**
> > - Queues outgoing data into the transmit queue.
> > -
> > - The Transmit() function queues a sending request to this TCPv4
> instance
> > along
> > - with the user data. The status of the token is updated and the event
> in the
> > token
> > - will be signaled once the data is sent out or some error occurs.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance
> > - @param Token Pointer to the completion token to
> queue to the
> > - transmit queue
> > -
> > - @retval EFI_SUCCESS The data has been queued for
> transmission.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (DHCP, BOOTP, RARP, etc.) is not
> finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_ACCESS_DENIED One or more of the following
> conditions is
> > TRUE:
> > - * A transmit completion token with
> the same
> > - Token-> CompletionToken.Event was
> already in the
> > - transmission queue.
> > - * The current instance is in
> Tcp4StateClosed state
> > - * The current instance is a passive
> one and
> > - it is in Tcp4StateListen state.
> > - * User has called Close() to
> disconnect this
> > - connection.
> > - @retval EFI_NOT_READY The completion token could not be
> queued
> > because
> > - the transmit queue is full.
> > - @retval EFI_OUT_OF_RESOURCES Could not queue the transmit data
> > because of
> > - resource shortage.
> > - @retval EFI_NETWORK_UNREACHABLE There is no route to the
> > destination network or
> > - address.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Transmit (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_IO_TOKEN *Token
> > - );
> > -
> > -/**
> > - Place an asynchronous receive request into the receiving queue.
> > -
> > - The Receive() function places a completion token into the receive
> packet
> > queue.
> > - This function is always asynchronous. The caller must allocate the
> > - Token->CompletionToken.Event and the FragmentBuffer used to receive
> > data. He also
> > - must fill the DataLength which represents the whole length of all
> > FragmentBuffer.
> > - When the receive operation completes, the EFI TCPv4 Protocol driver
> > updates the
> > - Token->CompletionToken.Status and Token->Packet.RxData fields and the
> > - Token->CompletionToken.Event is signaled. If got data the data and
> its
> > length
> > - will be copy into the FragmentTable, in the same time the full length
> of
> > received
> > - data will be recorded in the DataLength fields. Providing a proper
> > notification
> > - function and context for the event will enable the user to receive
> the
> > notification
> > - and receiving status. That notification function is guaranteed to not
> be re-
> > entered.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Token Pointer to a token that is
> associated with the
> > - receive data descriptor.
> > -
> > - @retval EFI_SUCCESS The receive completion token was
> cached.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_NO_MAPPING When using a default address,
> > configuration
> > - (DHCP, BOOTP, RARP, etc.) is not
> finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES The receive completion token could
> > not be queued
> > - due to a lack of system resources.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > - The EFI TCPv4 Protocol instance has
> been reset
> > - to startup defaults.
> > - @retval EFI_ACCESS_DENIED One or more of the following
> conditions is
> > TRUE:
> > - * A receive completion token with
> the same
> > - Token->CompletionToken.Event was
> already in
> > - the receive queue.
> > - * The current instance is in
> Tcp4StateClosed state.
> > - * The current instance is a passive
> one and it
> > - is in Tcp4StateListen state.
> > - * User has called Close() to
> disconnect this
> > - connection.
> > - @retval EFI_CONNECTION_FIN The communication peer has closed
> the
> > connection
> > - and there is no any buffered data in
> the receive
> > - buffer of this instance.
> > - @retval EFI_NOT_READY The receive request could not be
> queued
> > because
> > - the receive queue is full.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Receive (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_IO_TOKEN *Token
> > - );
> > -
> > -/**
> > - Disconnecting a TCP connection gracefully or reset a TCP connection.
> > -
> > - Initiate an asynchronous close token to TCP driver. After Close() is
> called,
> > - any buffered transmission data will be sent by TCP driver and the
> current
> > - instance will have a graceful close working flow described as RFC 793
> if
> > - AbortOnClose is set to FALSE, otherwise, a rest packet will be sent
> by TCP
> > - driver to fast disconnect this connection. When the close operation
> > completes
> > - successfully the TCP instance is in Tcp4StateClosed state, all
> pending
> > - asynchronous operation is signaled and any buffers used for TCP
> network
> > traffic
> > - is flushed.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param CloseToken Pointer to the close token to return
> when
> > - operation finishes.
> > -
> > - @retval EFI_SUCCESS The operation completed successfully.
> > - @retval EFI_NOT_STARTED The EFI_TCP4_PROTOCOL instance
> hasn't
> > been
> > - configured.
> > - @retval EFI_ACCESS_DENIED One or more of the following are
> TRUE:
> > - * Configure() has been called with
> TcpConfigData
> > - set to NULL and this function has
> not returned.
> > - * Previous Close() call on this
> instance has not
> > - finished.
> > - @retval EFI_INVALID_PARAMETER One ore more parameters are invalid.
> > - @retval EFI_OUT_OF_RESOURCES Could not allocate enough resource
> to
> > finish the
> > - operation.
> > - @retval EFI_DEVICE_ERROR Any unexpected and not belonged to
> > above
> > - category error.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Close (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_CLOSE_TOKEN *CloseToken
> > - );
> > -
> > -/**
> > - Abort an asynchronous connection, listen, transmission or receive
> request.
> > -
> > - The Cancel() function aborts a pending connection, listen, transmit
> or
> > receive
> > - request. If Token is not NULL and the token is in the connection,
> listen,
> > - transmission or receive queue when it is being cancelled, its Token-
> >Status
> > - will be set to EFI_ABORTED and then Token->Event will be signaled. If
> the
> > token
> > - is not in one of the queues, which usually means that the
> asynchronous
> > operation
> > - has completed, EFI_NOT_FOUND is returned. If Token is NULL all
> > asynchronous token
> > - issued by Connect(), Accept(), Transmit() and Receive()will be
> aborted.
> > - NOTE: It has not been implemented currently.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > - @param Token Pointer to a token that has been
> issued by
> > - Connect(), Accept(), Transmit() or
> Receive(). If
> > - NULL, all pending tokens issued by
> above four
> > - functions will be aborted.
> > -
> > - @retval EFI_SUCCESS The asynchronous I/O request is
> aborted and
> > Token->Event
> > - is signaled.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > - @retval EFI_NOT_STARTED This instance hasn's been configured.
> > - @retval EFI_NO_MAPPING When using the default address,
> > configuration
> > - (DHCP, BOOTP,RARP, etc.) hasn's
> finished yet.
> > - @retval EFI_NOT_FOUND The asynchronous I/O request isn's
> found
> > in the
> > - transmission or receive queue. It
> has either
> > - completed or wasn's issued by
> Transmit() and Receive().
> > - @retval EFI_UNSUPPORTED The operation is not supported in
> current
> > - implementation.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Cancel (
> > - IN EFI_TCP4_PROTOCOL *This,
> > - IN EFI_TCP4_COMPLETION_TOKEN *Token OPTIONAL
> > - );
> > -
> > -/**
> > - Poll to receive incoming data and transmit outgoing segments.
> > -
> > - The Poll() function increases the rate that data is moved between the
> > network
> > - and application and can be called when the TCP instance is created
> > successfully.
> > - Its use is optional. In some implementations, the periodical timer in
> the
> > MNP
> > - driver may not poll the underlying communications device fast enough
> to
> > avoid
> > - drop packets. Drivers and applications that are experiencing packet
> loss
> > should
> > - try calling the Poll() function in a high frequency.
> > -
> > - @param This Pointer to the EFI_TCP4_PROTOCOL
> instance.
> > -
> > - @retval EFI_SUCCESS Incoming or outgoing data was
> processed.
> > - @retval EFI_INVALID_PARAMETER This is NULL.
> > - @retval EFI_DEVICE_ERROR An unexpected system or network
> error
> > occurred.
> > - @retval EFI_NOT_READY No incoming or outgoing data was
> > processed.
> > - @retval EFI_TIMEOUT Data was dropped out of the
> transmission or
> > - receive queue. Consider increasing
> the polling
> > - rate.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -Tcp4Poll (
> > - IN EFI_TCP4_PROTOCOL *This
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h
> > deleted file mode 100644
> > index f9782cb59801..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Option.h
> > +++ /dev/null
> > @@ -1,130 +0,0 @@
> > -/** @file
> > - Tcp option's routine header file.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _TCP4_OPTION_H_
> > -#define _TCP4_OPTION_H_
> > -
> > -///
> > -/// The structure to store the parse option value.
> > -/// ParseOption only parse the options, don't process them.
> > -///
> > -typedef struct _TCP_OPTION {
> > - UINT8 Flag; ///< Flag such as TCP_OPTION_RCVD_MSS
> > - UINT8 WndScale; ///< The WndScale received
> > - UINT16 Mss; ///< The Mss received
> > - UINT32 TSVal; ///< The TSVal field in a timestamp option
> > - UINT32 TSEcr; ///< The TSEcr field in a timestamp option
> > -} TCP_OPTION;
> > -
> > -//
> > -// supported TCP option type and their length
> > -//
> > -#define TCP_OPTION_EOP 0 ///< End Of oPtion
> > -#define TCP_OPTION_NOP 1 ///< No-Option.
> > -#define TCP_OPTION_MSS 2 ///< Maximum Segment Size
> > -#define TCP_OPTION_WS 3 ///< Window scale
> > -#define TCP_OPTION_TS 8 ///< Timestamp
> > -#define TCP_OPTION_MSS_LEN 4 ///< Length of MSS option
> > -#define TCP_OPTION_WS_LEN 3 ///< Length of window scale
> option
> > -#define TCP_OPTION_TS_LEN 10 ///< Length of timestamp option
> > -#define TCP_OPTION_WS_ALIGNED_LEN 4 ///< Length of window scale
> > option, aligned
> > -#define TCP_OPTION_TS_ALIGNED_LEN 12 ///< Length of timestamp
> > option, aligned
> > -
> > -//
> > -// recommend format of timestamp window scale
> > -// option for fast process.
> > -//
> > -#define TCP_OPTION_TS_FAST ((TCP_OPTION_NOP << 24) | \
> > - (TCP_OPTION_NOP << 16) | \
> > - (TCP_OPTION_TS << 8) | \
> > - (TCP_OPTION_TS_LEN))
> > -
> > -#define TCP_OPTION_WS_FAST ((TCP_OPTION_NOP << 24) | \
> > - (TCP_OPTION_WS << 16) | \
> > - (TCP_OPTION_WS_LEN << 8))
> > -
> > -#define TCP_OPTION_MSS_FAST ((TCP_OPTION_MSS << 24) |
> > (TCP_OPTION_MSS_LEN << 16))
> > -
> > -//
> > -// Other misc definations
> > -//
> > -#define TCP_OPTION_RCVD_MSS 0x01
> > -#define TCP_OPTION_RCVD_WS 0x02
> > -#define TCP_OPTION_RCVD_TS 0x04
> > -#define TCP_OPTION_MAX_WS 14 ///< Maxium window scale
> value
> > -#define TCP_OPTION_MAX_WIN 0xffff ///< Max window size in TCP
> > header
> > -
> > -
> > -/**
> > - Compute the window scale value according to the given buffer size.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > -
> > - @return The scale value.
> > -
> > -**/
> > -UINT8
> > -TcpComputeScale (
> > - IN TCP_CB *Tcb
> > - );
> > -
> > -/**
> > - Build the TCP option in three-way handshake.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer to store the options.
> > -
> > - @return The total length of the TCP option field.
> > -
> > -**/
> > -UINT16
> > -TcpSynBuildOption (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Build the TCP option in synchronized states.
> > -
> > - @param Tcb Pointer to the TCP_CB of this TCP instance.
> > - @param Nbuf Pointer to the buffer to store the options.
> > -
> > - @return The total length of the TCP option field.
> > -
> > -**/
> > -UINT16
> > -TcpBuildOption (
> > - IN TCP_CB *Tcb,
> > - IN NET_BUF *Nbuf
> > - );
> > -
> > -/**
> > - Parse the supported options.
> > -
> > - @param Tcp Pointer to the TCP_CB of this TCP instance.
> > - @param Option Pointer to the TCP_OPTION used to store the
> successfully
> > pasrsed
> > - options.
> > -
> > - @retval 0 The options are successfully pasrsed.
> > - @retval -1 Ilegal option was found.
> > -
> > -**/
> > -INTN
> > -TcpParseOption (
> > - IN TCP_HEAD *Tcp,
> > - IN OUT TCP_OPTION *Option
> > - );
> > -
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Proto.h
> > b/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Proto.h
> > deleted file mode 100644
> > index 37191fe65112..000000000000
> > --- a/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Proto.h
> > +++ /dev/null
> > @@ -1,357 +0,0 @@
> > -/** @file
> > - Tcp Protocol header file.
> > -
> > -Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php<BR>
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef _TCP4_PROTO_H_
> > -#define _TCP4_PROTO_H_
> > -
> > -typedef struct _TCP_CB TCP_CB;
> > -
> > -#include "Tcp4Driver.h"
> > -#include "Socket.h"
> > -#include "Tcp4Option.h"
> > -
> > -
> > -
> > -///
> > -/// Tcp states, Don't change their order, it is used as
> > -/// index to mTcpOutFlag and other macros
> > -///
> > -#define TCP_CLOSED 0
> > -#define TCP_LISTEN 1
> > -#define TCP_SYN_SENT 2
> > -#define TCP_SYN_RCVD 3
> > -#define TCP_ESTABLISHED 4
> > -#define TCP_FIN_WAIT_1 5
> > -#define TCP_FIN_WAIT_2 6
> > -#define TCP_CLOSING 7
> > -#define TCP_TIME_WAIT 8
> > -#define TCP_CLOSE_WAIT 9
> > -#define TCP_LAST_ACK 10
> > -
> > -
> > -///
> > -/// Flags in the TCP header
> > -///
> > -#define TCP_FLG_FIN 0x01
> > -#define TCP_FLG_SYN 0x02
> > -#define TCP_FLG_RST 0x04
> > -#define TCP_FLG_PSH 0x08
> > -#define TCP_FLG_ACK 0x10
> > -#define TCP_FLG_URG 0x20
> > -
> > - //
> > - // mask for all the flags
> > - //
> > -#define TCP_FLG_FLAG 0x3F
> > -
> > -
> > -#define TCP_CONNECT_REFUSED (-1) ///< TCP error status
> > -#define TCP_CONNECT_RESET (-2) ///< TCP error status
> > -#define TCP_CONNECT_CLOSED (-3) ///< TCP error status
> > -
> > -//
> > -// Current congestion status as suggested by RFC3782.
> > -//
> > -#define TCP_CONGEST_RECOVER 1 ///< During the NewReno fast
> > recovery
> > -#define TCP_CONGEST_LOSS 2 ///< Retxmit because of retxmit
> time
> > out
> > -#define TCP_CONGEST_OPEN 3 ///< TCP is opening its congestion
> > window
> > -
> > -//
> > -// TCP control flags
> > -//
> > -#define TCP_CTRL_NO_NAGLE 0x0001 ///< Disable Nagle algorithm
> > -#define TCP_CTRL_NO_KEEPALIVE 0x0002 ///< Disable keepalive timer
> > -#define TCP_CTRL_NO_WS 0x0004 ///< Disable window scale
> option
> > -#define TCP_CTRL_RCVD_WS 0x0008 ///< Received a wnd scale
> option
> > in syn
> > -#define TCP_CTRL_NO_TS 0x0010 ///< Disable Timestamp option
> > -#define TCP_CTRL_RCVD_TS 0x0020 ///< Received a Timestamp
> option
> > in syn
> > -#define TCP_CTRL_SND_TS 0x0040 ///< Send Timestamp option to
> > remote
> > -#define TCP_CTRL_SND_URG 0x0080 ///< In urgent send mode
> > -#define TCP_CTRL_RCVD_URG 0x0100 ///< In urgent receive mode
> > -#define TCP_CTRL_SND_PSH 0x0200 ///< In PUSH send mode
> > -#define TCP_CTRL_FIN_SENT 0x0400 ///< FIN is sent
> > -#define TCP_CTRL_FIN_ACKED 0x0800 ///< FIN is ACKed.
> > -#define TCP_CTRL_TIMER_ON 0x1000 ///< At least one of the timer
> is on
> > -#define TCP_CTRL_RTT_ON 0x2000 ///< The RTT measurement is on
> > -#define TCP_CTRL_ACK_NOW 0x4000 ///< Send the ACK now, don't
> > delay
> > -
> > -//
> > -// Timer related values
> > -//
> > -#define TCP_TIMER_CONNECT 0 ///< Connection
> establishment
> > timer
> > -#define TCP_TIMER_REXMIT 1 ///< Retransmit
> timer
> > -#define TCP_TIMER_PROBE 2 ///< Window probe
> timer
> > -#define TCP_TIMER_KEEPALIVE 3 ///< Keepalive
> timer
> > -#define TCP_TIMER_FINWAIT2 4 ///< FIN_WAIT_2
> timer
> > -#define TCP_TIMER_2MSL 5 ///< TIME_WAIT
> tiemr
> > -#define TCP_TIMER_NUMBER 6 ///< The total
> number of TCP
> > timer.
> > -#define TCP_TICK 200 ///< Every TCP tick
> is 200ms
> > -#define TCP_TICK_HZ 5 ///< The frequence
> of TCP tick
> > -#define TCP_RTT_SHIFT 3 ///< SRTT & RTTVAR
> scaled by 8
> > -#define TCP_RTO_MIN TCP_TICK_HZ ///< The minium
> value of
> > RTO
> > -#define TCP_RTO_MAX (TCP_TICK_HZ * 60) ///< The maxium
> value
> > of RTO
> > -#define TCP_FOLD_RTT 4 ///< Timeout
> threshod to fold RTT
> > -
> > -//
> > -// Default values for some timers
> > -//
> > -#define TCP_MAX_LOSS 12 ///<
> Default max times to
> > retxmit
> > -#define TCP_KEEPALIVE_IDLE_MIN (TCP_TICK_HZ * 60 * 60 * 2) ///< First
> > keep alive
> > -#define TCP_KEEPALIVE_PERIOD (TCP_TICK_HZ * 60)
> > -#define TCP_MAX_KEEPALIVE 8
> > -#define TCP_FIN_WAIT2_TIME (2 * TCP_TICK_HZ)
> > -#define TCP_TIME_WAIT_TIME (2 * TCP_TICK_HZ)
> > -#define TCP_PAWS_24DAY (24 * 24 * 60 * 60 * TCP_TICK_HZ)
> > -#define TCP_CONNECT_TIME (75 * TCP_TICK_HZ)
> > -
> > -//
> > -// The header space to be reserved before TCP data to accomodate :
> > -// 60byte IP head + 60byte TCP head + link layer head
> > -//
> > -#define TCP_MAX_HEAD 192
> > -
> > -//
> > -// Value ranges for some control option
> > -//
> > -#define TCP_RCV_BUF_SIZE (2 * 1024 * 1024)
> > -#define TCP_RCV_BUF_SIZE_MIN (8 * 1024)
> > -#define TCP_SND_BUF_SIZE (2 * 1024 * 1024)
> > -#define TCP_SND_BUF_SIZE_MIN (8 * 1024)
> > -#define TCP_BACKLOG 10
> > -#define TCP_BACKLOG_MIN 5
> > -#define TCP_MAX_LOSS_MIN 6
> > -#define TCP_CONNECT_TIME_MIN (60 * TCP_TICK_HZ)
> > -#define TCP_MAX_KEEPALIVE_MIN 4
> > -#define TCP_KEEPALIVE_IDLE_MAX (TCP_TICK_HZ * 60 * 60 * 4)
> > -#define TCP_KEEPALIVE_PERIOD_MIN (TCP_TICK_HZ * 30)
> > -#define TCP_FIN_WAIT2_TIME_MAX (4 * TCP_TICK_HZ)
> > -#define TCP_TIME_WAIT_TIME_MAX (60 * TCP_TICK_HZ)
> > -
> > -///
> > -/// TCP segmentation data
> > -///
> > -typedef struct _TCP_SEG {
> > - TCP_SEQNO Seq; ///< Starting sequence number
> > - TCP_SEQNO End; ///< The sequence of the last byte + 1, include
> SYN/FIN.
> > End-Seq = SEG.LEN
> > - TCP_SEQNO Ack; ///< ACK field in the segment
> > - UINT8 Flag; ///< TCP header flags
> > - UINT16 Urg; ///< Valid if URG flag is set.
> > - UINT32 Wnd; ///< TCP window size field
> > -} TCP_SEG;
> > -
> > -///
> > -/// Network endpoint, IP+Port structure
> > -///
> > -typedef struct _TCP_PEER {
> > - UINT32 Ip; ///< IP address, network byte order
> > - TCP_PORTNO Port; ///< Port number, network byte order
> > -} TCP_PEER;
> > -
> > -///
> > -/// TCP control block, it includes various states
> > -///
> > -struct _TCP_CB {
> > - LIST_ENTRY List; ///< Back and forward link entry
> > - TCP_CB *Parent; ///< The parent TCP_CB structure
> > -
> > - SOCKET *Sk; ///< The socket it controled.
> > - TCP_PEER LocalEnd; ///< Local endpoint
> > - TCP_PEER RemoteEnd;///< Remote endpoint
> > -
> > - LIST_ENTRY SndQue; ///< Retxmission queue
> > - LIST_ENTRY RcvQue; ///< Reassemble queue
> > - UINT32 CtrlFlag; ///< Control flags, such as NO_NAGLE
> > - INT32 Error; ///< Soft error status, such as
> TCP_CONNECT_RESET
> > -
> > - //
> > - // RFC793 and RFC1122 defined variables
> > - //
> > - UINT8 State; ///< TCP state, such as SYN_SENT,
> LISTEN
> > - UINT8 DelayedAck; ///< Number of delayed ACKs
> > - UINT16 HeadSum; ///< Checksum of the fixed parts of
> pesudo
> > - ///< header: Src IP, Dst IP, 0,
> Protocol,
> > - ///< not include the TCP length.
> > -
> > - TCP_SEQNO Iss; ///< Initial Sending Sequence
> > - TCP_SEQNO SndUna; ///< First unacknowledged data
> > - TCP_SEQNO SndNxt; ///< Next data sequence to send.
> > - TCP_SEQNO SndPsh; ///< Send PUSH point
> > - TCP_SEQNO SndUp; ///< Send urgent point
> > - UINT32 SndWnd; ///< Window advertised by the remote
> peer
> > - UINT32 SndWndMax; ///< Max send window advertised by the
> peer
> > - TCP_SEQNO SndWl1; ///< Seq number used for last window
> update
> > - TCP_SEQNO SndWl2; ///< Ack no of last window update
> > - UINT16 SndMss; ///< Max send segment size
> > - TCP_SEQNO RcvNxt; ///< Next sequence no to receive
> > - UINT32 RcvWnd; ///< Window advertised by the local
> peer
> > - TCP_SEQNO RcvWl2; ///< The RcvNxt (or ACK) of last window
> update.
> > - ///< It is necessary because of delayed
> ACK
> > -
> > - TCP_SEQNO RcvUp; ///< Urgent point;
> > - TCP_SEQNO Irs; ///< Initial Receiving
> Sequence
> > - UINT16 RcvMss; ///< Max receive segment
> size
> > - UINT16 EnabledTimer; ///< Which timer is
> currently enabled
> > - UINT32 Timer[TCP_TIMER_NUMBER]; ///< When the timer will
> expire
> > - INT32 NextExpire; ///< Count down offset for the nearest
> timer
> > - UINT32 Idle; ///< How long the connection is in
> idle
> > - UINT32 ProbeTime; ///< The time out value for current
> window
> > prober
> > - BOOLEAN ProbeTimerOn;///< If TRUE, the probe time is on.
> > -
> > - //
> > - // RFC1323 defined variables, about window scale,
> > - // timestamp and PAWS
> > - //
> > - UINT8 SndWndScale; ///< Wndscale received from the peer
> > - UINT8 RcvWndScale; ///< Wndscale used to scale local
> buffer
> > - UINT32 TsRecent; ///< TsRecent to echo to the remote
> peer
> > - UINT32 TsRecentAge; ///< When this TsRecent is updated
> > -
> > - //
> > - // RFC2988 defined variables. about RTT measurement
> > - //
> > - TCP_SEQNO RttSeq; ///< The seq of measured segment now
> > - UINT32 RttMeasure; ///< Currently measured RTT in heart
> beats
> > - UINT32 SRtt; ///< Smoothed RTT, scaled by 8
> > - UINT32 RttVar; ///< RTT variance, scaled by 8
> > - UINT32 Rto; ///< Current RTO, not scaled
> > -
> > - //
> > - // RFC2581, and 3782 variables.
> > - // Congestion control + NewReno fast recovery.
> > - //
> > - UINT32 CWnd; ///< Sender's congestion window
> > - UINT32 Ssthresh; ///< Slow start threshold.
> > - TCP_SEQNO Recover; ///< Recover point for NewReno
> > - UINT16 DupAck; ///< Number of duplicate ACKs
> > - UINT8 CongestState; ///< The current congestion
> state(RFC3782)
> > - UINT8 LossTimes; ///< Number of retxmit timeouts in a
> row
> > - TCP_SEQNO LossRecover; ///< Recover point for retxmit
> > -
> > - //
> > - // configuration parameters, for EFI_TCP4_PROTOCOL specification
> > - //
> > - UINT32 KeepAliveIdle; ///< Idle time before sending
> first probe
> > - UINT32 KeepAlivePeriod; ///< Interval for subsequent keep
> alive
> > probe
> > - UINT8 MaxKeepAlive; ///< Maxium keep alive probe times.
> > - UINT8 KeepAliveProbes; ///< The number of keep alive
> probe.
> > - UINT16 MaxRexmit; ///< The maxium number of retxmit
> before
> > abort
> > - UINT32 FinWait2Timeout; ///< The FIN_WAIT_2 time out
> > - UINT32 TimeWaitTimeout; ///< The TIME_WAIT time out
> > - UINT32 ConnectTimeout; ///< The connect establishment
> time out
> > -
> > - //
> > - // RFC7323
> > - // Addressing Window Retraction for TCP Window Scale Option.
> > - //
> > - TCP_SEQNO RetxmitSeqMax; ///< Max Seq number in
> previous
> > retransmission.
> > -
> > - //
> > - // configuration for tcp provided by user
> > - //
> > - BOOLEAN UseDefaultAddr;
> > - UINT8 Tos;
> > - UINT8 Ttl;
> > - EFI_IPv4_ADDRESS SubnetMask;
> > -
> > - IP_IO_IP_INFO *IpInfo; ///<pointer reference to Ip used to
> send pkt
> > -};
> > -
> > -extern LIST_ENTRY mTcpRunQue;
> > -extern LIST_ENTRY mTcpListenQue;
> > -extern TCP_SEQNO mTcpGlobalIss;
> > -extern UINT32 mTcpTick;
> > -
> > -///
> > -/// TCP_CONNECTED: both ends have synchronized their ISN.
> > -///
> > -#define TCP_CONNECTED(state) ((state) > TCP_SYN_RCVD)
> > -
> > -#define TCP_FIN_RCVD(State) \
> > - (((State) == TCP_CLOSE_WAIT) || \
> > - ((State) == TCP_LAST_ACK) || \
> > - ((State) == TCP_CLOSING) || \
> > - ((State) == TCP_TIME_WAIT))
> > -
> > -#define TCP_LOCAL_CLOSED(State) \
> > - (((State) == TCP_FIN_WAIT_1) || \
> > - ((State) == TCP_FIN_WAIT_2) || \
> > - ((State) == TCP_CLOSING) || \
> > - ((State) == TCP_TIME_WAIT) || \
> > - ((State) == TCP_LAST_ACK))
> > -
> > -//
> > -// Get the TCP_SEG point from a net buffer's ProtoData
> > -//
> > -#define TCPSEG_NETBUF(NBuf) ((TCP_SEG *) ((NBuf)->ProtoData))
> > -
> > -//
> > -// macros to compare sequence no
> > -//
> > -#define TCP_SEQ_LT(SeqA, SeqB) ((INT32) ((SeqA) - (SeqB)) < 0)
> > -#define TCP_SEQ_LEQ(SeqA, SeqB) ((INT32) ((SeqA) - (SeqB)) <= 0)
> > -#define TCP_SEQ_GT(SeqA, SeqB) ((INT32) ((SeqB) - (SeqA)) < 0)
> > -#define TCP_SEQ_GEQ(SeqA, SeqB) ((INT32) ((SeqB) - (SeqA)) <= 0)
> > -
> > -//
> > -// TCP_SEQ_BETWEEN return whether b <= m <= e
> > -//
> > -#define TCP_SEQ_BETWEEN(b, m, e) ((e) - (b) >= (m) - (b))
> > -
> > -//
> > -// TCP_SUB_SEQ returns Seq1 - Seq2. Make sure Seq1 >= Seq2
> > -//
> > -#define TCP_SUB_SEQ(Seq1, Seq2) ((UINT32) ((Seq1) - (Seq2)))
> > -
> > -//
> > -// Check whether Flag is on
> > -//
> > -#define TCP_FLG_ON(Value, Flag) ((BOOLEAN) (((Value) & (Flag)) !=
> 0))
> > -
> > -//
> > -// Set and Clear operation on a Flag
> > -//
> > -#define TCP_SET_FLG(Value, Flag) ((Value) |= (Flag))
> > -#define TCP_CLEAR_FLG(Value, Flag) ((Value) &= ~(Flag))
> > -
> > -//
> > -// Test whether two peers are equal
> > -//
> > -#define TCP_PEER_EQUAL(Pa, Pb) \
> > - (((Pa)->Ip == (Pb)->Ip) && ((Pa)->Port == (Pb)->Port))
> > -
> > -//
> > -// Test whether Pa matches Pb, or Pa is more specific
> > -// than pb. Zero means wildcard.
> > -//
> > -#define TCP_PEER_MATCH(Pa, Pb) \
> > - ((((Pb)->Ip == 0) || ((Pb)->Ip == (Pa)->Ip)) && \
> > - (((Pb)->Port == 0) || ((Pb)->Port == (Pa)->Port)))
> > -
> > -#define TCP_TIMER_ON(Flag, Timer) ((Flag) & (1 << (Timer)))
> > -#define TCP_SET_TIMER(Flag, Timer) ((Flag) = (UINT16) ((Flag) | (1
> <<
> > (Timer))))
> > -#define TCP_CLEAR_TIMER(Flag, Timer) ((Flag) = (UINT16) ((Flag) & (~(1
> <<
> > (Timer)))))
> > -
> > -#define TCP_TIME_LT(Ta, Tb) ((INT32) ((Ta) - (Tb)) < 0)
> > -#define TCP_TIME_LEQ(Ta, Tb) ((INT32) ((Ta) - (Tb)) <= 0)
> > -#define TCP_SUB_TIME(Ta, Tb) ((UINT32) ((Ta) - (Tb)))
> > -
> > -#define TCP_MAX_WIN 0xFFFFU
> > -
> > -typedef
> > -VOID
> > -(*TCP_TIMER_HANDLER) (
> > - IN OUT TCP_CB *Tcb
> > - );
> > -
> > -#endif
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.h
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.h
> > deleted file mode 100644
> > index d8336c5e82e9..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDhcp.h
> > +++ /dev/null
> > @@ -1,502 +0,0 @@
> > -/** @file
> > - Dhcp and Discover routines for PxeBc.
> > -
> > -Copyright (c) 2013, Red Hat, Inc.
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef __EFI_PXEBC_DHCP_H__
> > -#define __EFI_PXEBC_DHCP_H__
> > -
> > -#define PXEBC_DHCP4_MAX_OPTION_NUM 16
> > -#define PXEBC_DHCP4_MAX_OPTION_SIZE 312
> > -#define PXEBC_DHCP4_MAX_PACKET_SIZE (sizeof
> > (EFI_PXE_BASE_CODE_PACKET))
> > -
> > -#define PXEBC_DHCP4_S_PORT 67
> > -#define PXEBC_DHCP4_C_PORT 68
> > -#define PXEBC_BS_DOWNLOAD_PORT 69
> > -#define PXEBC_BS_DISCOVER_PORT 4011
> > -
> > -#define PXEBC_DHCP4_OPCODE_REQUEST 1
> > -#define PXEBC_DHCP4_OPCODE_REPLY 2
> > -#define PXEBC_DHCP4_MSG_TYPE_REQUEST 3
> > -#define PXEBC_DHCP4_MAGIC 0x63538263 // network byte
> order
> > -
> > -//
> > -// Sub-Options in Dhcp Vendor Option
> > -//
> > -#define PXEBC_VENDOR_TAG_MTFTP_IP 1
> > -#define PXEBC_VENDOR_TAG_MTFTP_CPORT 2
> > -#define PXEBC_VENDOR_TAG_MTFTP_SPORT 3
> > -#define PXEBC_VENDOR_TAG_MTFTP_TIMEOUT 4
> > -#define PXEBC_VENDOR_TAG_MTFTP_DELAY 5
> > -#define PXEBC_VENDOR_TAG_DISCOVER_CTRL 6
> > -#define PXEBC_VENDOR_TAG_DISCOVER_MCAST 7
> > -#define PXEBC_VENDOR_TAG_BOOT_SERVERS 8
> > -#define PXEBC_VENDOR_TAG_BOOT_MENU 9
> > -#define PXEBC_VENDOR_TAG_MENU_PROMPT 10
> > -#define PXEBC_VENDOR_TAG_MCAST_ALLOC 11
> > -#define PXEBC_VENDOR_TAG_CREDENTIAL_TYPES 12
> > -#define PXEBC_VENDOR_TAG_BOOT_ITEM 71
> > -
> > -#define PXEBC_DHCP4_DISCOVER_INIT_TIMEOUT 4
> > -#define PXEBC_DHCP4_DISCOVER_RETRIES 4
> > -
> > -#define PXEBC_MAX_MENU_NUM 24
> > -#define PXEBC_MAX_OFFER_NUM 16
> > -
> > -#define PXEBC_BOOT_REQUEST_TIMEOUT 1
> > -#define PXEBC_BOOT_REQUEST_RETRIES 4
> > -
> > -#define PXEBC_DHCP4_OVERLOAD_FILE 1
> > -#define PXEBC_DHCP4_OVERLOAD_SERVER_NAME 2
> > -
> > -//
> > -// The array index of the DHCP4 option tag interested
> > -//
> > -#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE_LEN 0
> > -#define PXEBC_DHCP4_TAG_INDEX_VENDOR 1
> > -#define PXEBC_DHCP4_TAG_INDEX_OVERLOAD 2
> > -#define PXEBC_DHCP4_TAG_INDEX_MSG_TYPE 3
> > -#define PXEBC_DHCP4_TAG_INDEX_SERVER_ID 4
> > -#define PXEBC_DHCP4_TAG_INDEX_CLASS_ID 5
> > -#define PXEBC_DHCP4_TAG_INDEX_BOOTFILE 6
> > -#define PXEBC_DHCP4_TAG_INDEX_MAX 7
> > -
> > -//
> > -// The type of DHCP OFFER, arranged by priority, PXE10 has the highest
> > priority.
> > -//
> > -#define DHCP4_PACKET_TYPE_PXE10 0
> > -#define DHCP4_PACKET_TYPE_WFM11A 1
> > -#define DHCP4_PACKET_TYPE_BINL 2
> > -#define DHCP4_PACKET_TYPE_DHCP_ONLY 3
> > -#define DHCP4_PACKET_TYPE_BOOTP 4
> > -#define DHCP4_PACKET_TYPE_MAX 5
> > -
> > -#define BIT(x) (1 << x)
> > -#define CTRL(x) (0x1F & (x))
> > -
> > -//
> > -// WfM11a options
> > -//
> > -#define MTFTP_VENDOR_OPTION_BIT_MAP (BIT
> > (PXEBC_VENDOR_TAG_MTFTP_IP) | \
> > - BIT (PXEBC_VENDOR_TAG_MTFTP_CPORT)
> | \
> > - BIT (PXEBC_VENDOR_TAG_MTFTP_SPORT)
> | \
> > - BIT
> (PXEBC_VENDOR_TAG_MTFTP_TIMEOUT) | \
> > - BIT (PXEBC_VENDOR_TAG_MTFTP_DELAY))
> > -//
> > -// Discoverty options
> > -//
> > -#define DISCOVER_VENDOR_OPTION_BIT_MAP (BIT
> > (PXEBC_VENDOR_TAG_DISCOVER_CTRL) | \
> > - BIT
> (PXEBC_VENDOR_TAG_DISCOVER_MCAST) | \
> > - BIT
> (PXEBC_VENDOR_TAG_BOOT_SERVERS) | \
> > - BIT
> (PXEBC_VENDOR_TAG_BOOT_MENU) | \
> > - BIT
> (PXEBC_VENDOR_TAG_MENU_PROMPT))
> > -
> > -#define IS_VALID_BOOT_PROMPT(x) \
> > - ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_MENU_PROMPT)) == BIT
> > (PXEBC_VENDOR_TAG_MENU_PROMPT))
> > -
> > -#define IS_VALID_BOOT_MENU(x) \
> > - ((((x)[0]) & BIT (PXEBC_VENDOR_TAG_BOOT_MENU)) == BIT
> > (PXEBC_VENDOR_TAG_BOOT_MENU))
> > -
> > -#define IS_VALID_MTFTP_VENDOR_OPTION(x) \
> > - (((UINT32) ((x)[0]) & MTFTP_VENDOR_OPTION_BIT_MAP) ==
> > MTFTP_VENDOR_OPTION_BIT_MAP)
> > -
> > -#define IS_VALID_DISCOVER_VENDOR_OPTION(x) (((UINT32) ((x)[0]) &
> > DISCOVER_VENDOR_OPTION_BIT_MAP) != 0)
> > -
> > -#define IS_VALID_CREDENTIAL_VENDOR_OPTION(x) \
> > - (((UINT32) ((x)[0]) & BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES)) ==
> > BIT (PXEBC_VENDOR_TAG_CREDENTIAL_TYPES))
> > -
> > -#define IS_VALID_BOOTITEM_VENDOR_OPTION(x) \
> > - (((UINT32) ((x)[PXEBC_VENDOR_TAG_BOOT_ITEM / 32]) & BIT
> > (PXEBC_VENDOR_TAG_BOOT_ITEM % 32)) \
> > - == BIT (PXEBC_VENDOR_TAG_BOOT_ITEM % 32))
> > -
> > -#define IS_DISABLE_BCAST_DISCOVER(x) (((x) & BIT (0)) == BIT (0))
> > -#define IS_DISABLE_MCAST_DISCOVER(x) (((x) & BIT (1)) == BIT (1))
> > -#define IS_ENABLE_USE_SERVER_LIST(x) (((x) & BIT (2)) == BIT (2))
> > -#define IS_DISABLE_PROMPT_MENU(x) (((x) & BIT (3)) == BIT (3))
> > -
> > -#define SET_VENDOR_OPTION_BIT_MAP(x, y) (((x)[(y) / 32]) = (UINT32)
> > ((x)[(y) / 32]) | BIT ((y) % 32))
> > -
> > -#pragma pack(1)
> > -typedef struct {
> > - UINT8 ParaList[135];
> > -} PXEBC_DHCP4_OPTION_PARA;
> > -
> > -typedef struct {
> > - UINT16 Size;
> > -} PXEBC_DHCP4_OPTION_MAX_MESG_SIZE;
> > -
> > -typedef struct {
> > - UINT8 Type;
> > - UINT8 MajorVer;
> > - UINT8 MinorVer;
> > -} PXEBC_DHCP4_OPTION_UNDI;
> > -
> > -typedef struct {
> > - UINT8 Type;
> > -} PXEBC_DHCP4_OPTION_MESG;
> > -
> > -typedef struct {
> > - UINT16 Type;
> > -} PXEBC_DHCP4_OPTION_ARCH;
> > -
> > -#define DEFAULT_CLASS_ID_DATA "PXEClient:Arch:xxxxx:UNDI:003000"
> > -#define DEFAULT_UNDI_TYPE 1
> > -#define DEFAULT_UNDI_MAJOR 3
> > -#define DEFAULT_UNDI_MINOR 0
> > -
> > -typedef struct {
> > - UINT8 ClassIdentifier[10];
> > - UINT8 ArchitecturePrefix[5];
> > - UINT8 ArchitectureType[5];
> > - UINT8 Lit3[1];
> > - UINT8 InterfaceName[4];
> > - UINT8 Lit4[1];
> > - UINT8 UndiMajor[3];
> > - UINT8 UndiMinor[3];
> > -} PXEBC_DHCP4_OPTION_CLID;
> > -
> > -typedef struct {
> > - UINT8 Type;
> > - UINT8 Guid[16];
> > -} PXEBC_DHCP4_OPTION_UUID;
> > -
> > -typedef struct {
> > - UINT16 Type;
> > - UINT16 Layer;
> > -} PXEBC_OPTION_BOOT_ITEM;
> > -
> > -#pragma pack()
> > -
> > -typedef union {
> > - PXEBC_DHCP4_OPTION_PARA *Para;
> > - PXEBC_DHCP4_OPTION_UNDI *Undi;
> > - PXEBC_DHCP4_OPTION_ARCH *Arch;
> > - PXEBC_DHCP4_OPTION_CLID *Clid;
> > - PXEBC_DHCP4_OPTION_UUID *Uuid;
> > - PXEBC_DHCP4_OPTION_MESG *Mesg;
> > - PXEBC_DHCP4_OPTION_MAX_MESG_SIZE *MaxMesgSize;
> > -} PXEBC_DHCP4_OPTION_ENTRY;
> > -
> > -typedef struct {
> > - UINT16 Type;
> > - UINT8 IpCnt;
> > - EFI_IPv4_ADDRESS IpAddr[1];
> > -} PXEBC_BOOT_SVR_ENTRY;
> > -
> > -typedef struct {
> > - UINT16 Type;
> > - UINT8 DescLen;
> > - UINT8 DescStr[1];
> > -} PXEBC_BOOT_MENU_ENTRY;
> > -
> > -typedef struct {
> > - UINT8 Timeout;
> > - UINT8 Prompt[1];
> > -} PXEBC_MENU_PROMPT;
> > -
> > -typedef struct {
> > - UINT32 BitMap[8];
> > - EFI_IPv4_ADDRESS MtftpIp;
> > - UINT16 MtftpCPort;
> > - UINT16 MtftpSPort;
> > - UINT8 MtftpTimeout;
> > - UINT8 MtftpDelay;
> > - UINT8 DiscoverCtrl;
> > - EFI_IPv4_ADDRESS DiscoverMcastIp;
> > - EFI_IPv4_ADDRESS McastIpBase;
> > - UINT16 McastIpBlock;
> > - UINT16 McastIpRange;
> > - UINT16 BootSrvType;
> > - UINT16 BootSrvLayer;
> > - PXEBC_BOOT_SVR_ENTRY *BootSvr;
> > - UINT8 BootSvrLen;
> > - PXEBC_BOOT_MENU_ENTRY *BootMenu;
> > - UINT8 BootMenuLen;
> > - PXEBC_MENU_PROMPT *MenuPrompt;
> > - UINT8 MenuPromptLen;
> > - UINT32 *CredType;
> > - UINT8 CredTypeLen;
> > -} PXEBC_VENDOR_OPTION;
> > -
> > -#define PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE (OFFSET_OF
> > (EFI_DHCP4_PACKET, Dhcp4) + PXEBC_DHCP4_MAX_PACKET_SIZE)
> > -
> > -typedef union {
> > - EFI_DHCP4_PACKET Offer;
> > - EFI_DHCP4_PACKET Ack;
> > - UINT8 Buffer[PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE];
> > -} PXEBC_DHCP4_PACKET;
> > -
> > -typedef struct {
> > - PXEBC_DHCP4_PACKET Packet;
> > - BOOLEAN IsPxeOffer;
> > - UINT8 OfferType;
> > - EFI_DHCP4_PACKET_OPTION
> > *Dhcp4Option[PXEBC_DHCP4_TAG_INDEX_MAX];
> > - PXEBC_VENDOR_OPTION PxeVendorOption;
> > -} PXEBC_CACHED_DHCP4_PACKET;
> > -
> > -#define GET_NEXT_DHCP_OPTION(Opt) \
> > - (EFI_DHCP4_PACKET_OPTION *) ((UINT8 *) (Opt) + sizeof
> > (EFI_DHCP4_PACKET_OPTION) + (Opt)->Length - 1)
> > -
> > -#define GET_OPTION_BUFFER_LEN(Pkt) ((Pkt)->Length - sizeof
> > (EFI_DHCP4_HEADER) - 4)
> > -#define IS_PROXY_DHCP_OFFER(Offer) EFI_IP4_EQUAL (&((Offer)-
> > >Dhcp4.Header.YourAddr), &mZeroIp4Addr)
> > -
> > -#define GET_NEXT_BOOT_SVR_ENTRY(Ent) \
> > - (PXEBC_BOOT_SVR_ENTRY *) ((UINT8 *) Ent + sizeof (*(Ent)) + ((Ent)-
> > >IpCnt - 1) * sizeof (EFI_IPv4_ADDRESS))
> > -
> > -
> > -/**
> > - This function initialize the DHCP4 message instance.
> > -
> > - This function will pad each item of dhcp4 message packet.
> > -
> > - @param Seed Pointer to the message instance of the DHCP4 packet.
> > - @param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.
> > -
> > -**/
> > -VOID
> > -PxeBcInitSeedPacket (
> > - IN EFI_DHCP4_PACKET *Seed,
> > - IN EFI_UDP4_PROTOCOL *Udp4
> > - );
> > -
> > -
> > -/**
> > - Parse the cached dhcp packet.
> > -
> > - @param CachedPacket Pointer to cached dhcp packet.
> > -
> > - @retval TRUE Succeed to parse and validation.
> > - @retval FALSE Fail to parse or validation.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcParseCachedDhcpPacket (
> > - IN PXEBC_CACHED_DHCP4_PACKET *CachedPacket
> > - );
> > -
> > -/**
> > - This function is to check the selected proxy offer (include BINL dhcp
> offer
> > and
> > - DHCP_ONLY offer ) and set the flag and copy the DHCP packets to the
> Pxe
> > base code
> > - mode structure.
> > -
> > - @param Private Pointer to PxeBc private data.
> > -
> > - @retval EFI_SUCCESS Operational successful.
> > - @retval EFI_NO_RESPONSE Offer dhcp service failed.
> > - @retval EFI_BUFFER_TOO_SMALL Failed to copy the packet to Pxe
> base
> > code mode.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcCheckSelectedOffer (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - );
> > -
> > -
> > -/**
> > - Callback routine.
> > -
> > - EFI_DHCP4_CALLBACK is provided by the consumer of the EFI DHCPv4
> > Protocol driver
> > - to intercept events that occurred in the configuration process. This
> > structure
> > - provides advanced control of each state transition of the DHCP
> process.
> > The
> > - returned status code determines the behavior of the EFI DHCPv4
> Protocol
> > driver.
> > - There are three possible returned values, which are described in the
> > following
> > - table.
> > -
> > - @param This Pointer to the EFI DHCPv4 Protocol
> instance that is
> > used to
> > - configure this callback function.
> > - @param Context Pointer to the context that is
> initialized by
> > - EFI_DHCP4_PROTOCOL.Configure().
> > - @param CurrentState The current operational state of the
> EFI DHCPv4
> > Protocol
> > - driver.
> > - @param Dhcp4Event The event that occurs in the current
> state,
> > which usually means a
> > - state transition.
> > - @param Packet The DHCP packet that is going to be
> sent or already
> > received.
> > - @param NewPacket The packet that is used to replace the
> above
> > Packet.
> > -
> > - @retval EFI_SUCCESS Tells the EFI DHCPv4 Protocol driver to
> continue
> > the DHCP process.
> > - @retval EFI_NOT_READY Only used in the Dhcp4Selecting state.
> The EFI
> > DHCPv4 Protocol
> > - driver will continue to wait for more
> DHCPOFFER packets
> > until the retry
> > - timeout expires.
> > - @retval EFI_ABORTED Tells the EFI DHCPv4 Protocol driver to
> abort
> > the current process and
> > - return to the Dhcp4Init or
> Dhcp4InitReboot state.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDhcpCallBack (
> > - IN EFI_DHCP4_PROTOCOL * This,
> > - IN VOID *Context,
> > - IN EFI_DHCP4_STATE CurrentState,
> > - IN EFI_DHCP4_EVENT Dhcp4Event,
> > - IN EFI_DHCP4_PACKET * Packet OPTIONAL,
> > - OUT EFI_DHCP4_PACKET **NewPacket OPTIONAL
> > - );
> > -
> > -/**
> > - Switch the Ip4 policy to static.
> > -
> > - @param[in] Private The pointer to PXEBC_PRIVATE_DATA.
> > -
> > - @retval EFI_SUCCESS The policy is already configured to
> static.
> > - @retval Others Other error as indicated..
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSetIp4Policy (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - );
> > -
> > -/**
> > - Discover the boot of service and initialize the vendor option if
> exists.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Type PxeBc option boot item type
> > - @param Layer PxeBc option boot item layer
> > - @param UseBis Use BIS or not
> > - @param DestIp Ip address for server
> > - @param IpCount The total count of the server ip
> address
> > - @param SrvList Server list
> > - @param IsDiscv Discover the vendor or not
> > - @param Reply The dhcp4 packet of Pxe reply
> > -
> > - @retval EFI_SUCCESS Operation succeeds.
> > - @retval EFI_OUT_OF_RESOURCES Allocate memory pool failed.
> > - @retval EFI_NOT_FOUND There is no vendor option exists.
> > - @retval EFI_TIMEOUT Send Pxe Discover time out.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcDiscvBootService (
> > - IN PXEBC_PRIVATE_DATA * Private,
> > - IN UINT16 Type,
> > - IN UINT16 *Layer,
> > - IN BOOLEAN UseBis,
> > - IN EFI_IP_ADDRESS * DestIp,
> > - IN UINT16 IpCount,
> > - IN EFI_PXE_BASE_CODE_SRVLIST * SrvList,
> > - IN BOOLEAN IsDiscv,
> > - OUT EFI_DHCP4_PACKET * Reply OPTIONAL
> > - );
> > -
> > -
> > -/**
> > - Initialize the DHCP options and build the option list.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param OptList Pointer to a DHCP option list.
> > -
> > - @param IsDhcpDiscover Discover dhcp option or not.
> > -
> > - @return The index item number of the option list.
> > -
> > -**/
> > -UINT32
> > -PxeBcBuildDhcpOptions (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_DHCP4_PACKET_OPTION **OptList,
> > - IN BOOLEAN IsDhcpDiscover
> > - );
> > -
> > -
> > -/**
> > - Create the boot options.
> > -
> > - @param OptList Pointer to the list of the options
> > - @param Type the type of option
> > - @param Layer the layer of the boot options
> > - @param OptLen length of opotion
> > -
> > -**/
> > -VOID
> > -PxeBcCreateBootOptions (
> > - IN EFI_DHCP4_PACKET_OPTION *OptList,
> > - IN UINT16 Type,
> > - IN UINT16 *Layer,
> > - OUT UINT32 *OptLen
> > - );
> > -
> > -
> > -/**
> > - Parse interested dhcp options.
> > -
> > - @param Buffer Pointer to the dhcp options packet.
> > - @param Length The length of the dhcp options.
> > - @param OptTag The option OpCode.
> > -
> > - @return NULL if the buffer length is 0 and OpCode is not
> > - DHCP4_TAG_EOP, or the pointer to the buffer.
> > -
> > -**/
> > -EFI_DHCP4_PACKET_OPTION *
> > -PxeBcParseExtendOptions (
> > - IN UINT8 *Buffer,
> > - IN UINT32 Length,
> > - IN UINT8 OptTag
> > - );
> > -
> > -
> > -/**
> > - This function is to parse and check vendor options.
> > -
> > - @param Dhcp4Option Pointer to dhcp options
> > - @param VendorOption Pointer to vendor options
> > -
> > - @return TRUE if valid for vendor options, or FALSE.
> > -
> > -**/
> > -BOOLEAN
> > -PxeBcParseVendorOptions (
> > - IN EFI_DHCP4_PACKET_OPTION *Dhcp4Option,
> > - IN PXEBC_VENDOR_OPTION *VendorOption
> > - );
> > -
> > -
> > -/**
> > - Choose the boot prompt.
> > -
> > - @param Private Pointer to PxeBc private data.
> > -
> > - @retval EFI_SUCCESS Select boot prompt done.
> > - @retval EFI_TIMEOUT Select boot prompt time out.
> > - @retval EFI_NOT_FOUND The proxy offer is not Pxe10.
> > - @retval EFI_ABORTED User cancel the operation.
> > - @retval EFI_NOT_READY Read the input key from the keybroad has
> not
> > finish.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSelectBootPrompt (
> > - IN PXEBC_PRIVATE_DATA *Private
> > - );
> > -
> > -
> > -/**
> > - Select the boot menu.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Type The type of the menu.
> > - @param UseDefaultItem Use default item or not.
> > -
> > - @retval EFI_ABORTED User cancel operation.
> > - @retval EFI_SUCCESS Select the boot menu success.
> > - @retval EFI_NOT_READY Read the input key from the keybroad has not
> > finish.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcSelectBootMenu (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - OUT UINT16 *Type,
> > - IN BOOLEAN UseDefaultItem
> > - );
> > -
> > -#endif
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.h
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.h
> > deleted file mode 100644
> > index b7bf069dd637..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcDriver.h
> > +++ /dev/null
> > @@ -1,102 +0,0 @@
> > -/** @file
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef __EFI_PXEBC_DRIVER_H__
> > -#define __EFI_PXEBC_DRIVER_H__
> > -
> > -/**
> > - Test to see if this driver supports ControllerHandle. This service
> > - is called by the EFI boot service ConnectController(). In
> > - order to make drivers as small as possible, there are a few calling
> > - restrictions for this service. ConnectController() must
> > - follow these calling restrictions. If any other agent wishes to call
> > - Supported() it must also follow these calling restrictions.
> > - PxeBc requires DHCP4 and MTFTP4 protocols.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to test
> > - @param RemainingDevicePath Optional parameter use to pick a specific
> > child
> > - device to start.
> > -
> > - @retval EFI_SUCCESS This driver supports this device
> > - @retval EFI_ALREADY_STARTED This driver is already running on this
> device
> > - @retval other This driver does not support this device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingSupported (
> > - IN EFI_DRIVER_BINDING_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Start this driver on ControllerHandle. This service is called by the
> > - EFI boot service ConnectController(). In order to make
> > - drivers as small as possible, there are a few calling restrictions
> for
> > - this service. ConnectController() must follow these
> > - calling restrictions. If any other agent wishes to call Start() it
> > - must also follow these calling restrictions.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to bind driver to
> > - @param RemainingDevicePath Optional parameter use to pick a
> specific
> > child
> > - device to start.
> > -
> > - @retval EFI_SUCCESS This driver is added to ControllerHandle
> > - @retval EFI_ALREADY_STARTED This driver is already running on
> > ControllerHandle
> > - @retval other This driver does not support this device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingStart (
> > - IN EFI_DRIVER_BINDING_PROTOCOL * This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
> > - );
> > -
> > -/**
> > - Stop this driver on ControllerHandle. This service is called by the
> > - EFI boot service DisconnectController(). In order to
> > - make drivers as small as possible, there are a few calling
> > - restrictions for this service. DisconnectController()
> > - must follow these calling restrictions. If any other agent wishes
> > - to call Stop() it must also follow these calling restrictions.
> > -
> > - @param This Protocol instance pointer.
> > - @param ControllerHandle Handle of device to stop driver on
> > - @param NumberOfChildren Number of Handles in ChildHandleBuffer. If
> > number of
> > - children is zero stop the entire bus driver.
> > - @param ChildHandleBuffer List of Child Handles to Stop.
> > -
> > - @retval EFI_SUCCESS This driver is removed ControllerHandle
> > - @retval other This driver was not removed from this
> device
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -PxeBcDriverBindingStop (
> > - IN EFI_DRIVER_BINDING_PROTOCOL *This,
> > - IN EFI_HANDLE ControllerHandle,
> > - IN UINTN NumberOfChildren,
> > - IN EFI_HANDLE *ChildHandleBuffer
> > - );
> > -
> > -extern EFI_COMPONENT_NAME2_PROTOCOL gPxeBcComponentName2;
> > -extern EFI_COMPONENT_NAME_PROTOCOL gPxeBcComponentName;
> > -extern EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding;
> > -
> > -#endif
> > -
> > diff --git a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h
> > deleted file mode 100644
> > index e96b6f2c5d14..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcImpl.h
> > +++ /dev/null
> > @@ -1,189 +0,0 @@
> > -/** @file
> > -
> > -Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef __EFI_PXEBC_IMPL_H__
> > -#define __EFI_PXEBC_IMPL_H__
> > -
> > -
> > -typedef struct _PXEBC_PRIVATE_DATA PXEBC_PRIVATE_DATA;
> > -
> > -#include <Uefi.h>
> > -
> > -#include <Guid/SmBios.h>
> > -#include <IndustryStandard/SmBios.h>
> > -#include <IndustryStandard/Dhcp.h>
> > -#include <Protocol/Dhcp4.h>
> > -#include <Protocol/PxeBaseCode.h>
> > -#include <Protocol/Mtftp4.h>
> > -#include <Protocol/Udp4.h>
> > -#include <Protocol/LoadFile.h>
> > -#include <Protocol/NetworkInterfaceIdentifier.h>
> > -#include <Protocol/PxeBaseCodeCallBack.h>
> > -#include <Protocol/Arp.h>
> > -#include <Protocol/Ip4.h>
> > -#include <Protocol/Ip4Config2.h>
> > -
> > -#include <Library/DebugLib.h>
> > -#include <Library/DevicePathLib.h>
> > -#include <Library/BaseMemoryLib.h>
> > -#include <Library/MemoryAllocationLib.h>
> > -#include <Library/UefiDriverEntryPoint.h>
> > -#include <Library/UefiBootServicesTableLib.h>
> > -#include <Library/UefiLib.h>
> > -#include <Library/BaseLib.h>
> > -#include <Library/NetLib.h>
> > -#include <Library/DpcLib.h>
> > -#include <Library/PcdLib.h>
> > -
> > -#include "PxeBcDriver.h"
> > -#include "PxeBcDhcp.h"
> > -#include "PxeBcMtftp.h"
> > -#include "PxeBcSupport.h"
> > -
> > -#define PXEBC_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('P', 'X', 'E', 'P')
> > -#define PXEBC_MTFTP_TIMEOUT 4
> > -#define PXEBC_MTFTP_RETRIES 6
> > -#define PXEBC_DEFAULT_UDP_OVERHEAD_SIZE 8
> > -#define PXEBC_DEFAULT_TFTP_OVERHEAD_SIZE 4
> > -#define PXEBC_DEFAULT_PACKET_SIZE 1480
> > -#define PXEBC_DEFAULT_LIFETIME 50000 // 50ms, unit is
> > microsecond
> > -#define PXEBC_CHECK_MEDIA_WAITING_TIME
> > EFI_TIMER_PERIOD_SECONDS(20)
> > -
> > -struct _PXEBC_PRIVATE_DATA {
> > - UINT32 Signature;
> > - EFI_HANDLE Controller;
> > - EFI_HANDLE Image;
> > - EFI_HANDLE ArpChild;
> > - EFI_HANDLE Dhcp4Child;
> > - EFI_HANDLE Ip4Child;
> > - EFI_HANDLE Mtftp4Child;
> > - EFI_HANDLE Udp4ReadChild;
> > - EFI_HANDLE Udp4WriteChild;
> > -
> > - EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;
> > -
> > - EFI_PXE_BASE_CODE_PROTOCOL PxeBc;
> > - EFI_LOAD_FILE_PROTOCOL LoadFile;
> > - EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL LoadFileCallback;
> > - EFI_PXE_BASE_CODE_CALLBACK_PROTOCOL *PxeBcCallback;
> > - EFI_ARP_PROTOCOL *Arp;
> > - EFI_DHCP4_PROTOCOL *Dhcp4;
> > - EFI_IP4_PROTOCOL *Ip4;
> > - EFI_IP4_CONFIG2_PROTOCOL *Ip4Config2;
> > - EFI_IP4_CONFIG_DATA Ip4ConfigData;
> > - EFI_MTFTP4_PROTOCOL *Mtftp4;
> > - EFI_UDP4_PROTOCOL *Udp4Read;
> > - EFI_UDP4_PROTOCOL *Udp4Write;
> > - UINT16 CurrentUdpSrcPort;
> > - EFI_UDP4_CONFIG_DATA Udp4CfgData;
> > -
> > -
> > - EFI_PXE_BASE_CODE_MODE Mode;
> > - EFI_PXE_BASE_CODE_FUNCTION Function;
> > -
> > - CHAR8 *BootFileName;
> > -
> > - EFI_IP_ADDRESS StationIp;
> > - EFI_IP_ADDRESS SubnetMask;
> > - EFI_IP_ADDRESS GatewayIp;
> > - EFI_IP_ADDRESS ServerIp;
> > - BOOLEAN AddressIsOk;
> > - UINT32 Ip4MaxPacketSize;
> > - UINTN BlockSize;
> > - UINTN FileSize;
> > -
> > - UINT8
> OptionBuffer[PXEBC_DHCP4_MAX_OPTION_SIZE];
> > - EFI_DHCP4_PACKET SeedPacket;
> > - EFI_MAC_ADDRESS Mac;
> > - UINT8 MacLen;
> > -
> > - BOOLEAN SortOffers;
> > - BOOLEAN GotProxyOffer;
> > - UINT32 NumOffers;
> > - UINT32 SelectedOffer;
> > - UINT32 ProxyOfferType;
> > -
> > - //
> > - // Cached packets as complements of pxe mode data
> > - //
> > - PXEBC_CACHED_DHCP4_PACKET ProxyOffer;
> > - PXEBC_CACHED_DHCP4_PACKET Dhcp4Ack;
> > - PXEBC_CACHED_DHCP4_PACKET PxeReply;
> > - PXEBC_CACHED_DHCP4_PACKET
> > Dhcp4Offers[PXEBC_MAX_OFFER_NUM];
> > -
> > - //
> > - // Arrays for different types of offers:
> > - // ServerCount records the count of the servers we got the offers,
> > - // OfferIndex records the index of the offer sent by the server
> indexed by
> > ServerCount.
> > - //
> > - UINT32
> ServerCount[DHCP4_PACKET_TYPE_MAX];
> > - UINT32
> > OfferIndex[DHCP4_PACKET_TYPE_MAX][PXEBC_MAX_OFFER_NUM];
> > - UINT32 BootpIndex;
> > - UINT32
> ProxyIndex[DHCP4_PACKET_TYPE_MAX];
> > - UINT32
> BinlIndex[PXEBC_MAX_OFFER_NUM];
> > -
> > - EFI_EVENT GetArpCacheEvent;
> > - //
> > - // token and event used to get ICMP error data from IP
> > - //
> > - EFI_IP4_COMPLETION_TOKEN IcmpErrorRcvToken;
> > -};
> > -
> > -#define PXEBC_PRIVATE_DATA_FROM_PXEBC(a) CR (a,
> > PXEBC_PRIVATE_DATA, PxeBc, PXEBC_PRIVATE_DATA_SIGNATURE)
> > -
> > -#define PXEBC_PRIVATE_DATA_FROM_LOADFILE(a) CR (a,
> > PXEBC_PRIVATE_DATA, LoadFile, PXEBC_PRIVATE_DATA_SIGNATURE)
> > -
> > -#define PXEBC_PRIVATE_DATA_FROM_PXEBCCALLBACK(a) CR (a,
> > PXEBC_PRIVATE_DATA, PxeBcCallback, PXEBC_PRIVATE_DATA_SIGNATURE)
> > -
> > -extern EFI_PXE_BASE_CODE_PROTOCOL mPxeBcProtocolTemplate;
> > -extern EFI_LOAD_FILE_PROTOCOL mLoadFileProtocolTemplate;
> > -
> > -/**
> > - Causes the driver to load a specified file.
> > -
> > - @param This Protocol instance pointer.
> > - @param FilePath The device specific path of the file to
> load.
> > - @param BootPolicy If TRUE, indicates that the request
> originates
> > from the
> > - boot manager is attempting to load
> FilePath as a boot
> > - selection. If FALSE, then FilePath must
> match as exact file
> > - to be loaded.
> > - @param BufferSize On input the size of Buffer in bytes.
> On output
> > with a return
> > - code of EFI_SUCCESS, the amount of data
> transferred to
> > - Buffer. On output with a return code of
> > EFI_BUFFER_TOO_SMALL,
> > - the size of Buffer required to retrieve
> the requested file.
> > - @param Buffer The memory buffer to transfer the file
> to. IF Buffer
> > is NULL,
> > - then no the size of the requested file
> is returned in
> > - BufferSize.
> > -
> > - @retval EFI_SUCCESS The file was loaded.
> > - @retval EFI_UNSUPPORTED The device does not support the
> > provided BootPolicy
> > - @retval EFI_INVALID_PARAMETER FilePath is not a valid device
> path, or
> > - BufferSize is NULL.
> > - @retval EFI_NO_MEDIA No medium was present to load the
> file.
> > - @retval EFI_DEVICE_ERROR The file was not loaded due to a
> device
> > error.
> > - @retval EFI_NO_RESPONSE The remote system did not respond.
> > - @retval EFI_NOT_FOUND The file was not found.
> > - @retval EFI_ABORTED The file load process was
> manually cancelled.
> > -
> > -**/
> > -EFI_STATUS
> > -EFIAPI
> > -EfiPxeLoadFile (
> > - IN EFI_LOAD_FILE_PROTOCOL * This,
> > - IN EFI_DEVICE_PATH_PROTOCOL * FilePath,
> > - IN BOOLEAN BootPolicy,
> > - IN OUT UINTN *BufferSize,
> > - IN VOID *Buffer OPTIONAL
> > - );
> > -
> > -#endif
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.h
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.h
> > deleted file mode 100644
> > index 903dd4fbb69a..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcMtftp.h
> > +++ /dev/null
> > @@ -1,137 +0,0 @@
> > -/** @file
> > - Mtftp routines for PxeBc.
> > -
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef __EFI_PXEBC_MTFTP_H__
> > -#define __EFI_PXEBC_MTFTP_H__
> > -
> > -#define PXE_MTFTP_OPTION_BLKSIZE_INDEX 0
> > -#define PXE_MTFTP_OPTION_TIMEOUT_INDEX 1
> > -#define PXE_MTFTP_OPTION_TSIZE_INDEX 2
> > -#define PXE_MTFTP_OPTION_MULTICAST_INDEX 3
> > -#define PXE_MTFTP_OPTION_MAXIMUM_INDEX 4
> > -
> > -#define PXE_MTFTP_ERROR_STRING_LENGTH 127
> > -#define PXE_MTFTP_OPTBUF_MAXNUM_INDEX 128
> > -
> > -
> > -/**
> > - This function is to get size of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param BlockSize Pointer to block size
> > - @param BufferSize Pointer to buffer size
> > -
> > - @retval EFI_SUCCESS Get the size of file success
> > - @retval EFI_NOT_FOUND Parse the tftp ptions failed.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval Other Has not get the size of the file.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpGetFileSize (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN OUT UINT64 *BufferSize
> > - );
> > -
> > -
> > -/**
> > - This function is to get data of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param BlockSize Pointer to block size
> > - @param BufferPtr Pointer to buffer
> > - @param BufferSize Pointer to buffer size
> > - @param DontUseBuffer Indicate whether with a receive buffer
> > -
> > - @retval EFI_SUCCESS Read the data success from the special
> file.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Read data from file failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpReadFile (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize,
> > - IN BOOLEAN DontUseBuffer
> > - );
> > -
> > -
> > -/**
> > - This function is put data of a file by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data
> > - @param Config Pointer to Mtftp configuration data
> > - @param Filename Pointer to file name
> > - @param Overwrite Indicate whether with overwrite attribute
> > - @param BlockSize Pointer to block size
> > - @param BufferPtr Pointer to buffer
> > - @param BufferSize Pointer to buffer size
> > -
> > - @retval EFI_SUCCESS Write the data success into the special
> file.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Write data into file failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpWriteFile (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN BOOLEAN Overwrite,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize
> > - );
> > -
> > -
> > -/**
> > - This function is to get data(file) from a directory(may be a server)
> by Tftp.
> > -
> > - @param Private Pointer to PxeBc private data.
> > - @param Config Pointer to Mtftp configuration data.
> > - @param Filename Pointer to file name.
> > - @param BlockSize Pointer to block size.
> > - @param BufferPtr Pointer to buffer.
> > - @param BufferSize Pointer to buffer size.
> > - @param DontUseBuffer Indicate whether with a receive buffer.
> > -
> > - @retval EFI_SUCCES Get the data from the file included in
> directory
> > success.
> > - @retval EFI_DEVICE_ERROR The network device encountered an error
> > during this operation.
> > - @retval other Operation failed.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcTftpReadDirectory (
> > - IN PXEBC_PRIVATE_DATA *Private,
> > - IN EFI_MTFTP4_CONFIG_DATA *Config,
> > - IN UINT8 *Filename,
> > - IN UINTN *BlockSize,
> > - IN UINT8 *BufferPtr,
> > - IN OUT UINT64 *BufferSize,
> > - IN BOOLEAN DontUseBuffer
> > - );
> > -
> > -#endif
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.h
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.h
> > deleted file mode 100644
> > index a28c9740c171..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/PxeBcSupport.h
> > +++ /dev/null
> > @@ -1,134 +0,0 @@
> > -/** @file
> > - Support routines for PxeBc.
> > -Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
> > -This program and the accompanying materials
> > -are licensed and made available under the terms and conditions of the
> BSD
> > License
> > -which accompanies this distribution. The full text of the license may
> be
> > found at
> > -http://opensource.org/licenses/bsd-license.php
> > -
> > -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -
> > -**/
> > -
> > -#ifndef __EFI_PXEBC_SUPPORT_H__
> > -#define __EFI_PXEBC_SUPPORT_H__
> > -
> > -
> > -/**
> > - The common notify function associated with various PxeBc events.
> > -
> > - @param Event The event signaled.
> > - @param Context The context.
> > -
> > -**/
> > -VOID
> > -EFIAPI
> > -PxeBcCommonNotify (
> > - IN EFI_EVENT Event,
> > - IN VOID *Context
> > - );
> > -
> > -
> > -/**
> > - This function initialize(or configure) the Udp4Write instance.
> > -
> > - @param Udp4 Pointer to the EFI_UDP4_PROTOCOL instance.
> > - @param StationIp Pointer to the station ip address.
> > - @param SubnetMask Pointer to the subnetmask of the station ip
> address.
> > - @param Gateway Pointer to the gateway ip address.
> > - @param SrcPort Pointer to the srouce port of the station.
> > - @param Ttl The time to live field of the IP header.
> > - @param ToS The type of service field of the IP header.
> > -
> > - @retval EFI_SUCCESS The configuration settings were set,
> changed, or
> > reset successfully.
> > - @retval EFI_NO_MAPPING When using a default address,
> configuration
> > (DHCP, BOOTP,
> > - RARP, etc.) is not finished yet.
> > - @retval EFI_INVALID_PARAMETER One or more following conditions are
> > TRUE:
> > - @retval EFI_ALREADY_STARTED The EFI UDPv4 Protocol instance is
> already
> > started/configured
> > - and must be stopped/reset before it can
> be reconfigured.
> > - @retval EFI_ACCESS_DENIED UdpConfigData. AllowDuplicatePort is
> > FALSE
> > - and UdpConfigData.StationPort is
> already used by
> > - other instance.
> > - @retval EFI_OUT_OF_RESOURCES The EFI UDPv4 Protocol driver cannot
> > allocate memory for this
> > - EFI UDPv4 Protocol instance.
> > - @retval EFI_DEVICE_ERROR An unexpected network or system error
> > occurred and this instance
> > - was not opened.
> > - @retval Others Please examine the function Udp4-
> >Routes(Udp4,
> > FALSE, &mZeroIp4Addr, &mZeroIp4Addr, Gateway) returns.
> > -
> > -**/
> > -EFI_STATUS
> > -PxeBcConfigureUdpWriteInstance (
> > - IN EFI_UDP4_PROTOCOL *Udp4,
> > - IN EFI_IPv4_ADDRESS *StationIp,
> > - IN EFI_IPv4_ADDRESS *SubnetMask,
> > - IN EFI_IPv4_ADDRESS *Gateway,
> > - IN OUT UINT16 *SrcPort,
> > - IN UINT8 Ttl,
> > - IN UINT8 ToS
> > - );
> > -
> > -
> > -/**
> > - This function is to display the IPv4 address.
> > -
> > - @param[in] Ip The pointer to the IPv4 address.
> > -
> > -**/
> > -VOID
> > -PxeBcShowIp4Addr (
> > - IN EFI_IPv4_ADDRESS *Ip
> > - );
> > -
> > -
> > -/**
> > - Convert number to ASCII value.
> > -
> > - @param Number Numeric value to convert to decimal ASCII
> value.
> > - @param Buffer Buffer to place ASCII version of the
> Number.
> > - @param Length Length of Buffer.
> > -
> > -**/
> > -VOID
> > -CvtNum (
> > - IN UINTN Number,
> > - IN UINT8 *Buffer,
> > - IN UINTN Length
> > - );
> > -
> > -
> > -/**
> > - Convert unsigned int number to decimal number.
> > -
> > - @param Number The unsigned int number will be converted.
> > - @param Buffer Pointer to the buffer to store the decimal
> number
> > after transform.
> > - @param[in] BufferSize The maxsize of the buffer.
> > -
> > - @return the length of the number after transform.
> > -
> > -**/
> > -UINTN
> > -UtoA10 (
> > - IN UINTN Number,
> > - IN CHAR8 *Buffer,
> > - IN UINTN BufferSize
> > -
> > - );
> > -
> > -
> > -/**
> > - Convert ASCII numeric string to a UINTN value.
> > -
> > - @param Buffer Pointer to the 8-byte unsigned int value.
> > -
> > - @return UINTN value of the ASCII string.
> > -
> > -**/
> > -UINT64
> > -AtoU64 (
> > - IN UINT8 *Buffer
> > - );
> > -
> > -
> > -#endif
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxe.uni
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxe.uni
> > deleted file mode 100644
> > index e97c3cadd973..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxe.uni
> > +++ /dev/null
> > @@ -1,25 +0,0 @@
> > -// /** @file
> > -// This module produces EFI Preboot Execution Environment (PXE) Base
> > Code Protocol.
> > -//
> > -// This module produces EFI PXE Base Code Protocol upon EFI MMP Protocl
> > and IPv4
> > -// network stack, used to control PXE-compatible devices. It produces
> EFI
> > Load File
> > -// Protocol to provide one clean way to otain control from the boot
> manager
> > if the
> > -// boot patch is from the remote device.
> > -//
> > -// Copyright (c) 2007 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -
> > -#string STR_MODULE_ABSTRACT #language en-US "Produces EFI
> > Preboot Execution Environment (PXE) Base Code Protocol"
> > -
> > -#string STR_MODULE_DESCRIPTION #language en-US "This module
> > produces EFI PXE Base Code Protocol upon the EFI MMP Protocol and the
> > IPv4 network stack, and is used to control PXE-compatible devices. It
> > produces the EFI Load File Protocol to provide a clean method to obtain
> > control from the boot manager if the boot patch is from the remote
> device."
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxeExtra.
> > uni
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxeExtra.
> > uni
> > deleted file mode 100644
> > index 2c1bda1a8bd2..000000000000
> > ---
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxe4BcDxeExtra.
> > uni
> > +++ /dev/null
> > @@ -1,20 +0,0 @@
> > -// /** @file
> > -// UefiPxe4BcDxe Localized Strings and Content
> > -//
> > -// Copyright (c) 2013 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -//
> > -// This program and the accompanying materials
> > -// are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -// which accompanies this distribution. The full text of the license
> may be
> > found at
> > -// http://opensource.org/licenses/bsd-license.php
> > -//
> > -// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -//
> > -// **/
> > -
> > -#string STR_PROPERTIES_MODULE_NAME
> > -#language en-US
> > -"UEFI PXE Base Code DXE Driver"
> > -
> > -
> > diff --git
> > a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
> > b/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
> > deleted file mode 100644
> > index 042401992945..000000000000
> > --- a/MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
> > +++ /dev/null
> > @@ -1,102 +0,0 @@
> > -## @file
> > -# This module produces EFI Preboot Execution Environment (PXE) Base
> > Code Protocol.
> > -#
> > -# This module produces EFI PXE Base Code Protocol upon EFI MMP Protocl
> > and IPv4
> > -# network stack, used to control PXE-compatible devices. It produces
> EFI
> > Load File
> > -# Protocol to provide one clean way to otain control from the boot
> manager
> > if the
> > -# boot patch is from the remote device. This driver only supports IPv4
> > network stack.
> > -#
> > -# Notes:
> > -# 1) This driver can't co-work with the UefiPxeBcDxe driver in
> NetworkPkg.
> > -# 2) This driver might have some issues that have been fixed in the
> > UefiPxeBcDxe
> > -# driver in NetworkPkg.
> > -# 3) This driver supports fewer features than the UefiPxeBcDxe driver
> in
> > NetworkPkg
> > -# (e.g. IPv6, MTFTP windowsize).
> > -# 4) UefiPxeBcDxe driver in NetworkPkg is recommended for use instead
> of
> > this one even
> > -# though both of them can be used.
> > -#
> > -# Copyright (c) 2007 - 2018, Intel Corporation. All rights
> reserved.<BR>
> > -# This program and the accompanying materials
> > -# are licensed and made available under the terms and conditions of
> the
> > BSD License
> > -# which accompanies this distribution. The full text of the license
> may be
> > found at
> > -# http://opensource.org/licenses/bsd-license.php
> > -#
> > -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS"
> > BASIS,
> > -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER
> > EXPRESS OR IMPLIED.
> > -#
> > -#
> > -##
> > -
> > -
> > -[Defines]
> > - INF_VERSION = 0x00010005
> > - BASE_NAME = UefiPxe4BcDxe
> > - MODULE_UNI_FILE = UefiPxe4BcDxe.uni
> > - FILE_GUID = 3B1DEAB5-C75D-442e-9238-8E2FFB62B0BB
> > - MODULE_TYPE = UEFI_DRIVER
> > - VERSION_STRING = 1.0
> > - ENTRY_POINT = PxeBcDriverEntryPoint
> > - UNLOAD_IMAGE = NetLibDefaultUnload
> > -
> > -#
> > -# The following information is for reference only and not required by
> the
> > build tools.
> > -#
> > -# VALID_ARCHITECTURES = IA32 X64
> > -#
> > -# DRIVER_BINDING = gPxeBcDriverBinding
> > -# COMPONENT_NAME = gPxeBcComponentName
> > -# COMPONENT_NAME2 = gPxeBcComponentName2
> > -#
> > -
> > -[Sources]
> > - PxeBcMtftp.c
> > - PxeBcSupport.h
> > - PxeBcSupport.c
> > - PxeBcDriver.c
> > - PxeBcDhcp.h
> > - ComponentName.c
> > - PxeBcImpl.c
> > - PxeBcImpl.h
> > - PxeBcDhcp.c
> > - PxeBcMtftp.h
> > - PxeBcDriver.h
> > -
> > -
> > -[Packages]
> > - MdePkg/MdePkg.dec
> > - MdeModulePkg/MdeModulePkg.dec
> > -
> > -[LibraryClasses]
> > - BaseLib
> > - UefiLib
> > - UefiBootServicesTableLib
> > - UefiDriverEntryPoint
> > - BaseMemoryLib
> > - MemoryAllocationLib
> > - DebugLib
> > - NetLib
> > - DpcLib
> > - PcdLib
> > -
> > -[Protocols]
> > - gEfiPxeBaseCodeCallbackProtocolGuid ##
> SOMETIMES_PRODUCES
> > - gEfiPxeBaseCodeProtocolGuid ## BY_START
> > - gEfiLoadFileProtocolGuid ## BY_START
> > - gEfiNetworkInterfaceIdentifierProtocolGuid_31 ##
> > SOMETIMES_CONSUMES
> > - gEfiArpServiceBindingProtocolGuid ## TO_START
> > - gEfiArpProtocolGuid ## TO_START
> > - gEfiMtftp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiMtftp4ProtocolGuid ## TO_START
> > - gEfiUdp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiUdp4ProtocolGuid ## TO_START
> > - gEfiDhcp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiDhcp4ProtocolGuid ## TO_START
> > - gEfiIp4ServiceBindingProtocolGuid ## TO_START
> > - gEfiIp4ProtocolGuid ## TO_START
> > - gEfiIp4Config2ProtocolGuid ## TO_START
> > -
> > -[Pcd]
> > - gEfiMdeModulePkgTokenSpaceGuid.PcdTftpBlockSize ##
> > SOMETIMES_CONSUMES
> > -
> > -[UserExtensions.TianoCore."ExtraFiles"]
> > - UefiPxe4BcDxeExtra.uni
> > --
> > 2.18.0.windows.1
> >
> > _______________________________________________
> > edk2-devel mailing list
> > edk2-devel@lists.01.org
> > https://lists.01.org/mailman/listinfo/edk2-devel
next prev parent reply other threads:[~2018-10-31 8:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-30 7:33 [PATCH v1 0/7] Delete TCP, PXE, iSCSI driver in MdeModulePkg Fu Siyuan
2018-10-30 7:33 ` [PATCH v1 1/7] Nt32Pkg: Replace obsoleted network drivers from NT32 platform DSC/FDF Fu Siyuan
2018-10-30 7:57 ` Ni, Ruiyu
2018-10-30 7:33 ` [PATCH v1 2/7] EmulatorPkg: Replace obsoleted network drivers from " Fu Siyuan
2018-10-30 7:57 ` Ni, Ruiyu
2018-10-30 7:33 ` [PATCH v1 3/7] OvmfPkg: " Fu Siyuan
2018-10-30 7:33 ` [PATCH v1 4/7] Vlv2TbltDevicePkg: Replace obsoleted " Fu Siyuan
2018-11-04 6:14 ` Wei, David
2018-10-30 7:33 ` [PATCH v1 5/7] ArmVirtPkg: Replace obsoleted network " Fu Siyuan
2018-10-30 7:33 ` [PATCH v1 6/7] MdeModulePkg: Delete the TCP/PXE/ISCSI drivers in MdeModulePkg Fu Siyuan
2018-10-31 8:23 ` Ni, Ruiyu
2018-10-31 8:37 ` Fu, Siyuan [this message]
2018-11-01 3:08 ` Zeng, Star
2018-10-30 7:33 ` [PATCH v1 7/7] NetworkPkg: Remove some clarification from TCP/PXE/ISCSI driver INF Fu Siyuan
2018-10-30 8:16 ` Ye, Ting
2018-10-30 7:42 ` [PATCH v1 0/7] Delete TCP, PXE, iSCSI driver in MdeModulePkg Zeng, Star
2018-10-30 8:23 ` Fu, Siyuan
2018-10-30 21:14 ` Kinney, Michael D
2018-10-31 0:51 ` Fu, Siyuan
2018-10-31 16:29 ` Kinney, Michael D
2018-10-30 10:50 ` Leif Lindholm
2018-10-31 0:41 ` Fu, Siyuan
2018-10-31 10:59 ` Leif Lindholm
2018-10-31 14:02 ` Gao, Liming
2018-11-05 22:12 ` Laszlo Ersek
2018-11-06 0:59 ` Fu, Siyuan
2018-11-06 14:38 ` Laszlo Ersek
2018-11-06 11:02 ` Leif Lindholm
2018-11-06 14:34 ` Laszlo Ersek
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