From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by mx.groups.io with SMTP id smtpd.web12.9308.1591258792122902252 for ; Thu, 04 Jun 2020 01:19:52 -0700 Authentication-Results: mx.groups.io; dkim=missing; spf=pass (domain: intel.com, ip: 192.55.52.136, mailfrom: ray.ni@intel.com) IronPort-SDR: T06i9Af0qF/3gnEx1XhelP5nKvxmddDK7jsY9UHsbf0znFS55C93MbjsoCKJOCB0Tz1B9b+x1H FxfwvNWXMLpw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jun 2020 01:19:51 -0700 IronPort-SDR: 87MvBVfo9Fji0GlZ8rKwGZyNQVVjgvtcoE/uMoN/gac07qdyuJRw5TLoQGp7Z8vGZhgj13bNv/ ugGUYyhMJxrw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,471,1583222400"; d="scan'208";a="257667844" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by fmsmga007.fm.intel.com with ESMTP; 04 Jun 2020 01:19:50 -0700 Received: from fmsmsx120.amr.corp.intel.com (10.18.124.208) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 4 Jun 2020 01:19:50 -0700 Received: from shsmsx107.ccr.corp.intel.com (10.239.4.96) by fmsmsx120.amr.corp.intel.com (10.18.124.208) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 4 Jun 2020 01:19:49 -0700 Received: from shsmsx104.ccr.corp.intel.com ([169.254.5.161]) by SHSMSX107.ccr.corp.intel.com ([169.254.9.25]) with mapi id 14.03.0439.000; Thu, 4 Jun 2020 16:08:28 +0800 From: "Ni, Ray" To: Nickle Wang , "devel@edk2.groups.io" CC: Derek Lin Subject: Re: [PATCH v2] EmulatorPkg/WinHost: Enable network support. Thread-Topic: [PATCH v2] EmulatorPkg/WinHost: Enable network support. Thread-Index: AQHWDh4Y9PGAj615y02KyAQjBkwEZqjIchuw Date: Thu, 4 Jun 2020 08:08:27 +0000 Message-ID: <734D49CCEBEEF84792F5B80ED585239D5C59F91F@SHSMSX104.ccr.corp.intel.com> References: <20200409032038.9500-1-nickle.wang@hpe.com> In-Reply-To: <20200409032038.9500-1-nickle.wang@hpe.com> Accept-Language: en-US, zh-CN X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Return-Path: ray.ni@intel.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Acked-by: Ray Ni > -----Original Message----- > From: Nickle Wang > Sent: Thursday, April 9, 2020 11:21 AM > To: devel@edk2.groups.io; nickle.wang@hpe.com > Cc: Ni, Ray ; Derek Lin > Subject: [PATCH v2] EmulatorPkg/WinHost: Enable network support. >=20 > Follow the implementation from Unix host to implement SNP > EMU_IO_THUNK_PROTOCOL and EMU_SNP_PROTOCOL. The network IO > driver is the > same one as Nt32. Please refer to NETWORK-IO Subproject for network Io > driver(SnpNt32Io.dll). >=20 > Signed-off-by: Nickle Wang > Signed-off-by: Derek Lin > --- > EmulatorPkg/EmulatorPkg.dec | 8 + > EmulatorPkg/Win/Host/WinHost.c | 3 +- > EmulatorPkg/Win/Host/WinHost.h | 5 + > EmulatorPkg/Win/Host/WinHost.inf | 5 + > EmulatorPkg/Win/Host/WinPacketFilter.c | 1135 ++++++++++++++++++++++++ > 5 files changed, 1155 insertions(+), 1 deletion(-) > create mode 100644 EmulatorPkg/Win/Host/WinPacketFilter.c >=20 > diff --git a/EmulatorPkg/EmulatorPkg.dec b/EmulatorPkg/EmulatorPkg.dec > index 99250d9fe5..2a09744ea1 100644 > --- a/EmulatorPkg/EmulatorPkg.dec > +++ b/EmulatorPkg/EmulatorPkg.dec > @@ -4,6 +4,7 @@ > # > # Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.
> # Portions copyright (c) 2011, Apple Inc. All rights reserved. > +# (C) Copyright 2020 Hewlett Packard Enterprise Development LP
> # > # SPDX-License-Identifier: BSD-2-Clause-Patent > # > @@ -94,6 +95,13 @@ > gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP > Window"|VOID*|0x00001018 > gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem|L"."|VOID*|0x00001004 >=20 > gEmulatorPkgTokenSpaceGuid.PcdEmuSerialPort|L"/dev/ttyS0"|VOID*|0x0000 > 1002 > + > + # > + # On Unix host, this is the network interface name on host system that= will > + # be used in UEFI. > + # On Win host, this is the network interface index number on Windows t= hat > + # will be used in UEFI. For example, string L"0" is the first network > + # interface. >=20 > gEmulatorPkgTokenSpaceGuid.PcdEmuNetworkInterface|L"en0"|VOID*|0x000 > 0100d >=20 > gEmulatorPkgTokenSpaceGuid.PcdEmuCpuModel|L"Intel(R) Processor > Model"|VOID*|0x00001007 > diff --git a/EmulatorPkg/Win/Host/WinHost.c > b/EmulatorPkg/Win/Host/WinHost.c > index cfee156b27..0838c56dde 100644 > --- a/EmulatorPkg/Win/Host/WinHost.c > +++ b/EmulatorPkg/Win/Host/WinHost.c > @@ -9,7 +9,7 @@ > allocate memory space with ReadWrite and Execute attribute. >=20 > Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
> -(C) Copyright 2016 Hewlett Packard Enterprise Development LP
> +(C) Copyright 2016-2020 Hewlett Packard Enterprise Development LP
> SPDX-License-Identifier: BSD-2-Clause-Patent > **/ >=20 > @@ -443,6 +443,7 @@ Returns: > AddThunkProtocol (&mWinNtWndThunkIo, (CHAR16 *)PcdGetPtr > (PcdEmuGop), TRUE); > AddThunkProtocol (&mWinNtFileSystemThunkIo, (CHAR16 *)PcdGetPtr > (PcdEmuFileSystem), TRUE); > AddThunkProtocol (&mWinNtBlockIoThunkIo, (CHAR16 *)PcdGetPtr > (PcdEmuVirtualDisk), TRUE); > + AddThunkProtocol (&mWinNtSnpThunkIo, (CHAR16 *)PcdGetPtr > (PcdEmuNetworkInterface), TRUE); >=20 > // > // Allocate space for gSystemMemory Array > diff --git a/EmulatorPkg/Win/Host/WinHost.h > b/EmulatorPkg/Win/Host/WinHost.h > index 0e52c003fc..b36fea254e 100644 > --- a/EmulatorPkg/Win/Host/WinHost.h > +++ b/EmulatorPkg/Win/Host/WinHost.h > @@ -1,6 +1,7 @@ > /**@file >=20 > Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
> +(C) Copyright 2020 Hewlett Packard Enterprise Development LP
> SPDX-License-Identifier: BSD-2-Clause-Patent >=20 >=20 > @@ -29,6 +30,7 @@ Abstract: >=20 > #include > #include > +#include >=20 > #include > #include > @@ -41,6 +43,7 @@ Abstract: > #include > #include > #include > +#include >=20 >=20 > #define TEMPORARY_RAM_SIZE 0x20000 > @@ -200,4 +203,6 @@ extern EMU_THUNK_PROTOCOL gEmuThunkProtocol; > extern EMU_IO_THUNK_PROTOCOL mWinNtWndThunkIo; > extern EMU_IO_THUNK_PROTOCOL mWinNtFileSystemThunkIo; > extern EMU_IO_THUNK_PROTOCOL mWinNtBlockIoThunkIo; > +extern EMU_IO_THUNK_PROTOCOL mWinNtSnpThunkIo; > + > #endif > diff --git a/EmulatorPkg/Win/Host/WinHost.inf > b/EmulatorPkg/Win/Host/WinHost.inf > index e0b3ecb15b..a283a9a6fc 100644 > --- a/EmulatorPkg/Win/Host/WinHost.inf > +++ b/EmulatorPkg/Win/Host/WinHost.inf > @@ -4,6 +4,7 @@ > # Main executable file of Win Emulator that loads Sec core after initial= ization > finished. > # Copyright (c) 2008 - 2019, Intel Corporation. All rights reserved.
> # Portions copyright (c) 2008 - 2011, Apple Inc. All rights reserved. > +# (C) Copyright 2020 Hewlett Packard Enterprise Development LP
> # > # SPDX-License-Identifier: BSD-2-Clause-Patent > # > @@ -33,11 +34,13 @@ > WinThunk.c > WinHost.h > WinHost.c > + WinPacketFilter.c > WinInclude.h >=20 > [Packages] > MdePkg/MdePkg.dec > MdeModulePkg/MdeModulePkg.dec > + NetworkPkg/NetworkPkg.dec > EmulatorPkg/EmulatorPkg.dec >=20 > [LibraryClasses] > @@ -61,6 +64,7 @@ > gEmuGraphicsWindowProtocolGuid > gEmuBlockIoProtocolGuid > gEfiSimpleFileSystemProtocolGuid > + gEmuSnpProtocolGuid >=20 > [Guids] > gEfiFileSystemVolumeLabelInfoIdGuid # SOMETIMES_CONSUMED > @@ -78,6 +82,7 @@ > gEmulatorPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window" > gEmulatorPkgTokenSpaceGuid.PcdEmuFileSystem > gEmulatorPkgTokenSpaceGuid.PcdPeiServicesTablePage > + gEmulatorPkgTokenSpaceGuid.PcdEmuNetworkInterface|L"0" >=20 > [BuildOptions] > MSFT:*_*_*_DLINK_FLAGS =3D=3D /out:"$(BIN_DIR)\$(BASE_NAME)= .exe" > /base:0x10000000 /pdb:"$(BIN_DIR)\$(BASE_NAME).pdb" > diff --git a/EmulatorPkg/Win/Host/WinPacketFilter.c > b/EmulatorPkg/Win/Host/WinPacketFilter.c > new file mode 100644 > index 0000000000..0b751f97e3 > --- /dev/null > +++ b/EmulatorPkg/Win/Host/WinPacketFilter.c > @@ -0,0 +1,1135 @@ > +/**@file > + Windows Packet Filter implementation of the EMU_SNP_PROTOCOL that > allows the > + emulator to get on real networks. > + > +Copyright (c) 2004 - 2009, Intel Corporation. All rights reserved.
> +Portions copyright (c) 2011, Apple Inc. All rights reserved. > +(C) Copyright 2020 Hewlett Packard Enterprise Development LP
> + > +SPDX-License-Identifier: BSD-2-Clause-Patent > + > +**/ > +#include "WinHost.h" > + > +#define NETWORK_LIBRARY_NAME_U L"SnpNt32Io.dll" > +#define NETWORK_LIBRARY_INITIALIZE "SnpInitialize" > +#define NETWORK_LIBRARY_FINALIZE "SnpFinalize" > +#define NETWORK_LIBRARY_SET_RCV_FILTER "SnpSetReceiveFilter" > +#define NETWORK_LIBRARY_RECEIVE "SnpReceive" > +#define NETWORK_LIBRARY_TRANSMIT "SnpTransmit" > + > +#pragma pack(1) > +typedef struct _NT_NET_INTERFACE_INFO { > + UINT32 InterfaceIndex; > + EFI_MAC_ADDRESS MacAddr; > +} NT_NET_INTERFACE_INFO; > +#pragma pack() > + > +#define NET_ETHER_HEADER_SIZE 14 > +#define MAX_INTERFACE_INFO_NUMBER 16 > +#define SNP_MAX_TX_BUFFER_NUM 65536 > +#define SNP_TX_BUFFER_INCREASEMENT 32 > +#define DEFAULT_SELECTED_NIC_INDEX 0 > + > +// > +// Functions in Net Library > +// > +typedef > +INT32 > +(*NT_NET_INITIALIZE) ( > + IN OUT UINT32 *InterfaceCount, > + IN OUT NT_NET_INTERFACE_INFO * InterfaceInfoBuffer > + ); > + > +typedef > +INT32 > +(*NT_NET_FINALIZE) ( > + VOID > + ); > + > +typedef > +INT32 > +(*NT_NET_SET_RECEIVE_FILTER) ( > + IN UINT32 Index, > + IN UINT32 EnableFilter, > + IN UINT32 MCastFilterCnt, > + IN EFI_MAC_ADDRESS * MCastFilter > + ); > + > +typedef > +INT32 > +(*NT_NET_RECEIVE) ( > + IN UINT32 Index, > + IN OUT UINT32 *BufferSize, > + OUT VOID *Buffer > + ); > + > +typedef > +INT32 > +(*NT_NET_TRANSMIT) ( > + IN UINT32 Index, > + IN UINT32 HeaderSize, > + IN UINT32 BufferSize, > + IN VOID *Buffer, > + IN EFI_MAC_ADDRESS * SrcAddr, > + IN EFI_MAC_ADDRESS * DestAddr, > + IN UINT16 *Protocol > + ); > + > +typedef struct _NT_NET_UTILITY_TABLE { > + NT_NET_INITIALIZE Initialize; > + NT_NET_FINALIZE Finalize; > + NT_NET_SET_RECEIVE_FILTER SetReceiveFilter; > + NT_NET_RECEIVE Receive; > + NT_NET_TRANSMIT Transmit; > +} NT_NET_UTILITY_TABLE; > + > +// > +// Instance data for each fake SNP instance > +// > +#define WIN_NT_INSTANCE_SIGNATURE SIGNATURE_32 ('N', 'T', 'I', 'S') > + > +typedef struct { > + UINT32 Signature; > + > + // > + // Array of the recycled transmit buffer address. > + // > + UINT64 *RecycledTxBuf; > + > + // > + // Current number of recycled buffer pointers in RecycledTxBuf. > + // > + UINT32 RecycledTxBufCount; > + > + // > + // The maximum number of recycled buffer pointers in RecycledTxBuf. > + // > + UINT32 MaxRecycledTxBuf; > + EFI_SIMPLE_NETWORK_MODE Mode; > + NT_NET_INTERFACE_INFO InterfaceInfo; > +} WIN_NT_INSTANCE_DATA; > + > +// > +// Instance data for each SNP private instance > +// > +#define WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE SIGNATURE_32 > ('N', 'T', 's', 'n') > + > +typedef struct { > + UINTN Signature; > + EMU_IO_THUNK_PROTOCOL *Thunk; > + EMU_SNP_PROTOCOL EmuSnp; > + EFI_SIMPLE_NETWORK_MODE *Mode; > + HMODULE NetworkLibraryHandle; > + NT_NET_UTILITY_TABLE NtNetUtilityTable; > + WIN_NT_INSTANCE_DATA Instance; > +} WIN_NT_SNP_PRIVATE; > + > +#define WIN_NT_SNP_PRIVATE_DATA_FROM_THIS(a) \ > + CR(a, WIN_NT_SNP_PRIVATE, EmuSnp, > WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE) > + > + > +/** > + Register storage for SNP Mode. > + > + @param This Protocol instance pointer. > + @param Mode SimpleNetworkProtocol Mode structure passed into driver. > + > + @retval EFI_SUCCESS The network interface was started. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + > +**/ > +EFI_STATUS > +WinNtSnpCreateMapping ( > + IN EMU_SNP_PROTOCOL *This, > + IN EFI_SIMPLE_NETWORK_MODE *Mode > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + Private->Mode =3D Mode; > + > + // > + // Set the broadcast address. > + // > + CopyMem (&Mode->BroadcastAddress, &Private- > >Instance.Mode.BroadcastAddress, sizeof (EFI_MAC_ADDRESS)); > + // > + // Set the MAC address. > + // > + CopyMem (&Mode->CurrentAddress, &Private- > >Instance.Mode.CurrentAddress, sizeof (EFI_MAC_ADDRESS)); > + CopyMem (&Mode->PermanentAddress, &Private- > >Instance.Mode.PermanentAddress, sizeof (EFI_MAC_ADDRESS)); > + > + return EFI_SUCCESS; > +} > + > +/** > + Changes the state of a network interface from "stopped" to "started". > + > + @param This Protocol instance pointer. > + > + @retval EFI_SUCCESS The network interface was started. > + @retval EFI_ALREADY_STARTED The network interface is already in the > started state. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpStart ( > + IN EMU_SNP_PROTOCOL *This > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + switch (Private->Mode->State) { > + case EfiSimpleNetworkStopped: > + break; > + > + case EfiSimpleNetworkStarted: > + case EfiSimpleNetworkInitialized: > + return EFI_ALREADY_STARTED; > + break; > + > + default: > + return EFI_DEVICE_ERROR; > + break; > + } > + > + Private->Mode->State =3D EfiSimpleNetworkStarted; > + > + return EFI_SUCCESS; > +} > + > +/** > + Changes the state of a network interface from "started" to "stopped". > + > + @param This Protocol instance pointer. > + > + @retval EFI_SUCCESS The network interface was stopped. > + @retval EFI_ALREADY_STARTED The network interface is already in the > stopped state. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpStop ( > + IN EMU_SNP_PROTOCOL *This > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + switch ( Private->Mode->State ) { > + case EfiSimpleNetworkStarted: > + break; > + > + case EfiSimpleNetworkStopped: > + return EFI_NOT_STARTED; > + break; > + > + default: > + return EFI_DEVICE_ERROR; > + break; > + } > + > + Private->Mode->State =3D EfiSimpleNetworkStopped; > + > + return EFI_SUCCESS; > +} > + > +/** > + Resets a network adapter and allocates the transmit and receive buffer= s > + required by the network interface; optionally, also requests allocatio= n > + of additional transmit and receive buffers. > + > + @param This The protocol instance pointer. > + @param ExtraRxBufferSize The size, in bytes, of the extra receive buf= fer > space > + that the driver should allocate for the netw= ork interface. > + Some network interfaces will not be able to = use the extra > + buffer, and the caller will not know if it i= s actually > + being used. > + @param ExtraTxBufferSize The size, in bytes, of the extra transmit bu= ffer > space > + that the driver should allocate for the netw= ork interface. > + Some network interfaces will not be able to = use the extra > + buffer, and the caller will not know if it i= s actually > + being used. > + > + @retval EFI_SUCCESS The network interface was initialized. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_OUT_OF_RESOURCES There was not enough memory for the > transmit and > + receive buffers. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpInitialize ( > + IN EMU_SNP_PROTOCOL *This, > + IN UINTN ExtraRxBufferSize OPTIONAL, > + IN UINTN ExtraTxBufferSize OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + switch ( Private->Mode->State ) { > + case EfiSimpleNetworkStarted: > + break; > + > + case EfiSimpleNetworkStopped: > + return EFI_NOT_STARTED; > + break; > + > + default: > + return EFI_DEVICE_ERROR; > + break; > + } > + > + Private->Mode->MCastFilterCount =3D 0; > + Private->Mode->ReceiveFilterSetting =3D 0; > + ZeroMem (Private->Mode->MCastFilter, sizeof (Private->Mode- > >MCastFilter)); > + > + Private->Mode->State =3D EfiSimpleNetworkInitialized; > + > + return EFI_SUCCESS; > +} > + > +/** > + Resets a network adapter and re-initializes it with the parameters tha= t were > + provided in the previous call to Initialize(). > + > + @param This The protocol instance pointer. > + @param ExtendedVerification Indicates that the driver may perform a m= ore > + exhaustive verification operation of the = device > + during reset. > + > + @retval EFI_SUCCESS The network interface was reset. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpReset ( > + IN EMU_SNP_PROTOCOL *This, > + IN BOOLEAN ExtendedVerification > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + switch ( Private->Mode->State ) { > + case EfiSimpleNetworkInitialized: > + break; > + > + case EfiSimpleNetworkStopped: > + return EFI_NOT_STARTED; > + break; > + > + default: > + return EFI_DEVICE_ERROR; > + break; > + } > + > + return EFI_SUCCESS; > +} > + > +/** > + Resets a network adapter and leaves it in a state that is safe for > + another driver to initialize. > + > + @param This Protocol instance pointer. > + > + @retval EFI_SUCCESS The network interface was shutdown. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpShutdown ( > + IN EMU_SNP_PROTOCOL *This > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + switch ( Private->Mode->State ) { > + case EfiSimpleNetworkInitialized: > + break; > + > + case EfiSimpleNetworkStopped: > + return EFI_NOT_STARTED; > + break; > + > + default: > + return EFI_DEVICE_ERROR; > + break; > + } > + > + Private->Mode->State =3D EfiSimpleNetworkStarted; > + > + Private->Mode->ReceiveFilterSetting =3D 0; > + Private->Mode->MCastFilterCount =3D 0; > + ZeroMem (Private->Mode->MCastFilter, sizeof (Private->Mode- > >MCastFilter)); > + > + return EFI_SUCCESS; > +} > + > +/** > + Manages the multicast receive filters of a network interface. > + > + @param This The protocol instance pointer. > + @param Enable A bit mask of receive filters to enable on th= e network > interface. > + @param Disable A bit mask of receive filters to disable on t= he network > interface. > + @param ResetMCastFilter Set to TRUE to reset the contents of the mult= icast > receive > + filters on the network interface to their def= ault values. > + @param McastFilterCnt Number of multicast HW MAC addresses in the > new > + MCastFilter list. This value must be less tha= n or equal to > + the MCastFilterCnt field of EMU_SNP_MODE. Thi= s > + field is optional if ResetMCastFilter is TRUE= . > + @param MCastFilter A pointer to a list of new multicast receive = filter > HW MAC > + addresses. This list will replace any existin= g multicast > + HW MAC address list. This field is optional i= f > + ResetMCastFilter is TRUE. > + > + @retval EFI_SUCCESS The multicast receive filter list was up= dated. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpReceiveFilters ( > + IN EMU_SNP_PROTOCOL *This, > + IN UINT32 Enable, > + IN UINT32 Disable, > + IN BOOLEAN ResetMCastFilter, > + IN UINTN MCastFilterCnt OPT= IONAL, > + IN EFI_MAC_ADDRESS *MCastFilter OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + INT32 ReturnValue; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + ReturnValue =3D Private->NtNetUtilityTable.SetReceiveFilter ( > + Private->Instance.Interf= aceInfo.InterfaceIndex, > + Enable, > + (UINT32)MCastFilterCnt, > + MCastFilter > + ); > + > + if (ReturnValue <=3D 0) { > + return EFI_DEVICE_ERROR; > + } > + > + return EFI_SUCCESS; > +} > + > +/** > + Modifies or resets the current station address, if supported. > + > + @param This The protocol instance pointer. > + @param Reset Flag used to reset the station address to the network > interfaces > + permanent address. > + @param New The new station address to be used for the network inter= face. > + > + @retval EFI_SUCCESS The network interfaces station address w= as > updated. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpStationAddress ( > + IN EMU_SNP_PROTOCOL *This, > + IN BOOLEAN Reset, > + IN EFI_MAC_ADDRESS *New OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + return EFI_UNSUPPORTED; > +} > + > +/** > + Resets or collects the statistics on a network interface. > + > + @param This Protocol instance pointer. > + @param Reset Set to TRUE to reset the statistics for the ne= twork > interface. > + @param StatisticsSize On input the size, in bytes, of StatisticsTabl= e. On > + output the size, in bytes, of the resulting ta= ble of > + statistics. > + @param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS > structure that > + contains the statistics. > + > + @retval EFI_SUCCESS The statistics were collected from the n= etwork > interface. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The > current buffer > + size needed to hold the statistics is re= turned in > + StatisticsSize. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpStatistics ( > + IN EMU_SNP_PROTOCOL *This, > + IN BOOLEAN Reset, > + IN OUT UINTN *StatisticsSize OPTIONAL, > + OUT EFI_NETWORK_STATISTICS *StatisticsTable OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + return EFI_UNSUPPORTED; > +} > + > +/** > + Converts a multicast IP address to a multicast HW MAC address. > + > + @param This The protocol instance pointer. > + @param IPv6 Set to TRUE if the multicast IP address is IPv6 [RFC 2460= ]. Set > + to FALSE if the multicast IP address is IPv4 [RFC 791]. > + @param IP The multicast IP address that is to be converted to a mul= ticast > + HW MAC address. > + @param MAC The multicast HW MAC address that is to be generated from > IP. > + > + @retval EFI_SUCCESS The multicast IP address was mapped to t= he > multicast > + HW MAC address. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The > current buffer > + size needed to hold the statistics is re= turned in > + StatisticsSize. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpMCastIpToMac ( > + IN EMU_SNP_PROTOCOL *This, > + IN BOOLEAN IPv6, > + IN EFI_IP_ADDRESS *IP, > + OUT EFI_MAC_ADDRESS *MAC > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + return EFI_UNSUPPORTED; > +} > + > +/** > + Performs read and write operations on the NVRAM device attached to a > + network interface. > + > + @param This The protocol instance pointer. > + @param ReadWrite TRUE for read operations, FALSE for write operation= s. > + @param Offset Byte offset in the NVRAM device at which to start t= he > read or > + write operation. This must be a multiple of NvRamAc= cessSize and > + less than NvRamSize. > + @param BufferSize The number of bytes to read or write from the NVRAM > device. > + This must also be a multiple of NvramAccessSize. > + @param Buffer A pointer to the data buffer. > + > + @retval EFI_SUCCESS The NVRAM access was performed. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpNvData ( > + IN EMU_SNP_PROTOCOL *This, > + IN BOOLEAN ReadWrite, > + IN UINTN Offset, > + IN UINTN BufferSize, > + IN OUT VOID *Buffer > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + return EFI_UNSUPPORTED; > +} > + > +/** > + Reads the current interrupt status and recycled transmit buffer status= from > + a network interface. > + > + @param This The protocol instance pointer. > + @param InterruptStatus A pointer to the bit mask of the currently act= ive > interrupts > + If this is NULL, the interrupt status will not= be read from > + the device. If this is not NULL, the interrupt= status will > + be read from the device. When the interrupt s= tatus is read, > + it will also be cleared. Clearing the transmit= interrupt > + does not empty the recycled transmit buffer ar= ray. > + @param TxBuf Recycled transmit buffer address. The network > interface will > + not transmit if its internal recycled transmit= buffer array > + is full. Reading the transmit buffer does not = clear the > + transmit interrupt. If this is NULL, then the = transmit buffer > + status will not be read. If there are no trans= mit buffers to > + recycle and TxBuf is not NULL, * TxBuf will be= set to NULL. > + > + @retval EFI_SUCCESS The status of the network interface was > retrieved. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpGetStatus ( > + IN EMU_SNP_PROTOCOL *This, > + OUT UINT32 *InterruptStatus OPTIONAL, > + OUT VOID **TxBuf OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + if (TxBuf !=3D NULL) { > + if (Private->Instance.RecycledTxBufCount !=3D 0) { > + Private->Instance.RecycledTxBufCount --; > + *((UINT8 **) TxBuf) =3D (UINT8 *) (UINTN)Private- > >Instance.RecycledTxBuf[Private->Instance.RecycledTxBufCount]; > + } else { > + *((UINT8 **) TxBuf) =3D NULL; > + } > + } > + > + if (InterruptStatus !=3D NULL) { > + *InterruptStatus =3D EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT; > + } > + > + return EFI_SUCCESS; > +} > + > +/** > + Places a packet in the transmit queue of a network interface. > + > + @param This The protocol instance pointer. > + @param HeaderSize The size, in bytes, of the media header to be fille= d in by > + the Transmit() function. If HeaderSize is non-zero,= then it > + must be equal to This->Mode->MediaHeaderSize and th= e > DestAddr > + and Protocol parameters must not be NULL. > + @param BufferSize The size, in bytes, of the entire packet (media hea= der > and > + data) to be transmitted through the network interfa= ce. > + @param Buffer A pointer to the packet (media header followed by d= ata) > to be > + transmitted. This parameter cannot be NULL. If Head= erSize is > zero, > + then the media header in Buffer must already be fil= led in by the > + caller. If HeaderSize is non-zero, then the media h= eader will be > + filled in by the Transmit() function. > + @param SrcAddr The source HW MAC address. If HeaderSize is zero, t= hen > this parameter > + is ignored. If HeaderSize is non-zero and SrcAddr i= s NULL, then > + This->Mode->CurrentAddress is used for the source H= W MAC > address. > + @param DestAddr The destination HW MAC address. If HeaderSize is ze= ro, > then this > + parameter is ignored. > + @param Protocol The type of header to build. If HeaderSize is zero,= then > this > + parameter is ignored. See RFC 1700, section "Ether = Types", for > + examples. > + > + @retval EFI_SUCCESS The packet was placed on the transmit qu= eue. > + @retval EFI_NOT_STARTED The network interface has not been start= ed. > + @retval EFI_NOT_READY The network interface is too busy to acc= ept > this transmit request. > + @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the ne= twork > interface. > + > +**/ > +EFI_STATUS > +WinNtSnpTransmit ( > + IN EMU_SNP_PROTOCOL *This, > + IN UINTN HeaderSize, > + IN UINTN BufferSize, > + IN VOID *Buffer, > + IN EFI_MAC_ADDRESS *SrcAddr OPTIONAL, > + IN EFI_MAC_ADDRESS *DestAddr OPTIONAL, > + IN UINT16 *Protocol OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + INT32 ReturnValue; > + UINT64 *Tmp; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + if ((HeaderSize !=3D 0) && (SrcAddr =3D=3D NULL)) { > + SrcAddr =3D &Private->Instance.Mode.CurrentAddress; > + } > + > + ReturnValue =3D Private->NtNetUtilityTable.Transmit ( > + Private->Instance.Interf= aceInfo.InterfaceIndex, > + (UINT32)HeaderSize, > + (UINT32)BufferSize, > + Buffer, > + SrcAddr, > + DestAddr, > + Protocol > + ); > + > + if (ReturnValue < 0) { > + return EFI_DEVICE_ERROR; > + } else { > + if ((Private->Instance.MaxRecycledTxBuf + > SNP_TX_BUFFER_INCREASEMENT) >=3D SNP_MAX_TX_BUFFER_NUM) { > + return EFI_NOT_READY; > + } > + > + if (Private->Instance.RecycledTxBufCount < Private- > >Instance.MaxRecycledTxBuf) { > + Private->Instance.RecycledTxBuf[Private->Instance.RecycledTxBufCou= nt] =3D > (UINT64) Buffer; > + Private->Instance.RecycledTxBufCount ++; > + } else { > + Tmp =3D malloc (sizeof (UINT64) * (Private->Instance.MaxRecycledTx= Buf + > SNP_TX_BUFFER_INCREASEMENT)); > + if (Tmp =3D=3D NULL) { > + return EFI_DEVICE_ERROR; > + } > + CopyMem (Tmp, Private->Instance.RecycledTxBuf, sizeof (UINT64) * > Private->Instance.RecycledTxBufCount); > + free (Private->Instance.RecycledTxBuf); > + Private->Instance.RecycledTxBuf =3D Tmp; > + Private->Instance.MaxRecycledTxBuf +=3D SNP_TX_BUFFER_INCREASEMENT= ; > + } > + } > + > + return EFI_SUCCESS; > +} > + > +/** > + Receives a packet from a network interface. > + > + @param This The protocol instance pointer. > + @param HeaderSize The size, in bytes, of the media header received on= the > network > + interface. If this parameter is NULL, then the medi= a header size > + will not be returned. > + @param BufferSize On entry, the size, in bytes, of Buffer. On exit, t= he size, > in > + bytes, of the packet that was received on the netwo= rk interface. > + @param Buffer A pointer to the data buffer to receive both the me= dia > header and > + the data. > + @param SrcAddr The source HW MAC address. If this parameter is NUL= L, > the > + HW MAC source address will not be extracted from th= e media > + header. > + @param DestAddr The destination HW MAC address. If this parameter i= s > NULL, > + the HW MAC destination address will not be extracte= d from the > + media header. > + @param Protocol The media header type. If this parameter is NULL, t= hen > the > + protocol will not be extracted from the media heade= r. See > + RFC 1700 section "Ether Types" for examples. > + > + @retval EFI_SUCCESS The received data was stored in Buffer,= and > BufferSize has > + been updated to the number of bytes rec= eived. > + @retval EFI_NOT_STARTED The network interface has not been star= ted. > + @retval EFI_NOT_READY The network interface is too busy to ac= cept > this transmit > + request. > + @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small. > + @retval EFI_INVALID_PARAMETER One or more of the parameters has an > unsupported value. > + @retval EFI_DEVICE_ERROR The command could not be sent to the > network interface. > + @retval EFI_UNSUPPORTED This function is not supported by the > network interface. > + > +**/ > +EFI_STATUS > +WinNtSnpReceive ( > + IN EMU_SNP_PROTOCOL *This, > + OUT UINTN *HeaderSize OPTIONAL, > + IN OUT UINTN *BufferSize, > + OUT VOID *Buffer, > + OUT EFI_MAC_ADDRESS *SrcAddr OPTIONAL, > + OUT EFI_MAC_ADDRESS *DestAddr OPTIONAL, > + OUT UINT16 *Protocol OPTIONAL > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + INT32 ReturnValue; > + UINTN BufSize; > + > + Private =3D WIN_NT_SNP_PRIVATE_DATA_FROM_THIS (This); > + > + BufSize =3D *BufferSize; > + > + ASSERT (Private->NtNetUtilityTable.Receive !=3D NULL); > + > + ReturnValue =3D Private->NtNetUtilityTable.Receive ( > + Private->Instance.Interf= aceInfo.InterfaceIndex, > + BufferSize, > + Buffer > + ); > + > + if (ReturnValue < 0) { > + if (ReturnValue =3D=3D -100) { > + return EFI_BUFFER_TOO_SMALL; > + } > + > + return EFI_DEVICE_ERROR; > + } else if (ReturnValue =3D=3D 0) { > + return EFI_NOT_READY; > + } > + > + if (HeaderSize !=3D NULL) { > + *HeaderSize =3D 14; > + } > + > + if (SrcAddr !=3D NULL) { > + ZeroMem (SrcAddr, sizeof (EFI_MAC_ADDRESS)); > + CopyMem (SrcAddr, ((UINT8 *) Buffer) + 6, 6); > + } > + > + if (DestAddr !=3D NULL) { > + ZeroMem (DestAddr, sizeof (EFI_MAC_ADDRESS)); > + CopyMem (DestAddr, ((UINT8 *) Buffer), 6); > + } > + > + if (Protocol !=3D NULL) { > + *Protocol =3D NTOHS (*((UINT16 *) (((UINT8 *) Buffer) + 12))); > + } > + > + return (*BufferSize <=3D BufSize) ? EFI_SUCCESS : EFI_BUFFER_TOO_SMALL= ; > +} > + > +/** > + Initialize the snpnt32 driver instance. > + > + @param Instance Pointer to the instance context data. > + @param NetInfo Pointer to the interface info. > + > + @retval EFI_SUCCESS The driver instance is initialized. > + @retval other Initialization errors. > + > +**/ > +EFI_STATUS > +WinNtInitializeInstanceData ( > + IN OUT WIN_NT_INSTANCE_DATA *Instance, > + IN NT_NET_INTERFACE_INFO *NetInfo > + ) > +{ > + if (Instance =3D=3D NULL || NetInfo =3D=3D NULL) { > + return EFI_INVALID_PARAMETER; > + } > + > + ZeroMem (Instance, sizeof (WIN_NT_INSTANCE_DATA)); > + > + Instance->Signature =3D WIN_NT_INSTANCE_SIGNATURE; > + Instance->RecycledTxBufCount =3D 0; > + Instance->MaxRecycledTxBuf =3D 32; > + Instance->Mode.State =3D EfiSimpleNetworkInitialized; > + Instance->Mode.HwAddressSize =3D NET_ETHER_ADDR_LEN; > + Instance->Mode.MediaHeaderSize =3D NET_ETHER_HEADER_SIZE; > + Instance->Mode.MaxPacketSize =3D 1500; > + Instance->Mode.MaxMCastFilterCount =3D MAX_MCAST_FILTER_CNT; > + Instance->Mode.IfType =3D NET_IFTYPE_ETHERNET; > + Instance->Mode.MediaPresentSupported =3D TRUE; > + Instance->Mode.MediaPresent =3D TRUE; > + > + // > + // Allocate the RecycledTxBuf. > + // > + Instance->RecycledTxBuf =3D malloc (sizeof (UINT64) * Instance- > >MaxRecycledTxBuf); > + if (Instance->RecycledTxBuf =3D=3D NULL) { > + return EFI_OUT_OF_RESOURCES; > + } > + > + // > + // Set the interface information. > + // > + CopyMem (&Instance->InterfaceInfo, NetInfo, sizeof (Instance- > >InterfaceInfo)); > + > + > + // > + // Set broadcast address > + // > + SetMem (&Instance->Mode.BroadcastAddress, sizeof (EFI_MAC_ADDRESS), > 0xFF); > + > + // > + // Copy Current/PermanentAddress MAC address > + // > + CopyMem (&Instance->Mode.CurrentAddress, &Instance- > >InterfaceInfo.MacAddr, sizeof(Instance->Mode.CurrentAddress)); > + CopyMem (&Instance->Mode.PermanentAddress, &Instance- > >InterfaceInfo.MacAddr, sizeof(Instance->Mode.PermanentAddress)); > + > + // > + // Since the fake SNP is based on a real NIC, to avoid conflict with = the host > + // NIC network stack, we use a different MAC address. > + // So just change the last byte of the MAC address for the real NIC. > + // > + Instance->Mode.CurrentAddress.Addr[NET_ETHER_ADDR_LEN - 1]++; > + > + return EFI_SUCCESS; > +} > + > +/** > + Initialize the net utility data. > + > + @param This Pointer to the private data. > + @param ActiveInstance The active network interface. > + > + @retval EFI_SUCCESS The global data is initialized. > + @retval EFI_NOT_FOUND The required DLL is not found. > + @retval EFI_DEVICE_ERROR Error initialize network utility library= . > + @retval other Other errors. > + > +**/ > +EFI_STATUS > +WintNtInitializeNetUtilityData ( > + IN OUT WIN_NT_SNP_PRIVATE *Private, > + IN UINT8 ActiveInstance > + ) > +{ > + EFI_STATUS Status; > + CHAR16 *DllFileNameU; > + INT32 ReturnValue; > + BOOLEAN NetUtilityLibInitDone; > + NT_NET_INTERFACE_INFO > NetInterfaceInfoBuffer[MAX_INTERFACE_INFO_NUMBER]; > + UINT32 InterfaceCount; > + UINT8 ActiveInterfaceIndex; > + > + if (Private =3D=3D NULL) { > + return EFI_INVALID_PARAMETER; > + } > + > + NetUtilityLibInitDone =3D FALSE; > + InterfaceCount =3D MAX_INTERFACE_INFO_NUMBER; > + DllFileNameU =3D NETWORK_LIBRARY_NAME_U; > + > + // > + // Load network utility library > + // > + Private->NetworkLibraryHandle =3D LoadLibraryEx (DllFileNameU, NULL, 0= ); > + if (NULL =3D=3D Private->NetworkLibraryHandle) { > + return EFI_NOT_FOUND; > + } > + > + Private->NtNetUtilityTable.Initialize =3D (NT_NET_INITIALIZE) GetProcA= ddress > (Private->NetworkLibraryHandle, NETWORK_LIBRARY_INITIALIZE); > + if (NULL =3D=3D Private->NtNetUtilityTable.Initialize) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + Private->NtNetUtilityTable.Finalize =3D (NT_NET_FINALIZE) GetProcAddre= ss > (Private->NetworkLibraryHandle, NETWORK_LIBRARY_FINALIZE); > + if (NULL =3D=3D Private->NtNetUtilityTable.Finalize) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + Private->NtNetUtilityTable.SetReceiveFilter =3D (NT_NET_SET_RECEIVE_FI= LTER) > GetProcAddress (Private->NetworkLibraryHandle, > NETWORK_LIBRARY_SET_RCV_FILTER); > + if (NULL =3D=3D Private->NtNetUtilityTable.SetReceiveFilter) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + Private->NtNetUtilityTable.Receive =3D (NT_NET_RECEIVE) GetProcAddress > (Private->NetworkLibraryHandle, NETWORK_LIBRARY_RECEIVE); > + if (NULL =3D=3D Private->NtNetUtilityTable.Receive) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + Private->NtNetUtilityTable.Transmit =3D (NT_NET_TRANSMIT) GetProcAddre= ss > (Private->NetworkLibraryHandle, NETWORK_LIBRARY_TRANSMIT); > + if (NULL =3D=3D Private->NtNetUtilityTable.Transmit) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + // > + // Initialize the network utility library > + // And enumerate the interfaces in emulator host > + // > + ReturnValue =3D Private->NtNetUtilityTable.Initialize (&InterfaceCount= , > &NetInterfaceInfoBuffer[0]); > + if (ReturnValue <=3D 0) { > + Status =3D EFI_DEVICE_ERROR; > + goto ErrorReturn; > + } > + > + NetUtilityLibInitDone =3D TRUE; > + > + if (InterfaceCount =3D=3D 0) { > + Status =3D EFI_NOT_FOUND; > + goto ErrorReturn; > + } > + > + DEBUG ((DEBUG_INFO, "%a, total %d interface(s) found\n", __FUNCTION__, > InterfaceCount)); > + // > + // Active interface index is set to first interface if given instance = does > + // not exist. > + // > + ActiveInterfaceIndex =3D (ActiveInstance >=3D InterfaceCount ? > DEFAULT_SELECTED_NIC_INDEX : ActiveInstance); > + > + // > + // Initialize instance > + // > + Status =3D WinNtInitializeInstanceData (&Private->Instance, > &NetInterfaceInfoBuffer[ActiveInterfaceIndex]); > + if (EFI_ERROR (Status)) { > + goto ErrorReturn; > + } > + > + return EFI_SUCCESS; > + > +ErrorReturn: > + > + if (Private->Instance.RecycledTxBuf !=3D NULL) { > + free (Private->Instance.RecycledTxBuf); > + } > + > + if (NetUtilityLibInitDone) { > + if (Private->NtNetUtilityTable.Finalize !=3D NULL) { > + Private->NtNetUtilityTable.Finalize (); > + Private->NtNetUtilityTable.Finalize =3D NULL; > + } > + } > + > + return Status; > +} > + > +/** > + Release the net utility data. > + > + @param This Pointer to the private data. > + > + @retval EFI_SUCCESS The global data is released. > + @retval other Other errors. > + > +**/ > +EFI_STATUS > +WintNtReleaseNetUtilityData ( > + IN OUT WIN_NT_SNP_PRIVATE *Private > + ) > +{ > + if (Private =3D=3D NULL) { > + return EFI_INVALID_PARAMETER; > + } > + > + if (Private->Instance.RecycledTxBuf !=3D NULL) { > + free (Private->Instance.RecycledTxBuf); > + } > + > + if (Private->NtNetUtilityTable.Finalize !=3D NULL) { > + Private->NtNetUtilityTable.Finalize (); > + } > + > + FreeLibrary (Private->NetworkLibraryHandle); > + > + return EFI_SUCCESS; > +} > + > +EMU_SNP_PROTOCOL mWinNtSnpProtocol =3D { > + WinNtSnpCreateMapping, > + WinNtSnpStart, > + WinNtSnpStop, > + WinNtSnpInitialize, > + WinNtSnpReset, > + WinNtSnpShutdown, > + WinNtSnpReceiveFilters, > + WinNtSnpStationAddress, > + WinNtSnpStatistics, > + WinNtSnpMCastIpToMac, > + WinNtSnpNvData, > + WinNtSnpGetStatus, > + WinNtSnpTransmit, > + WinNtSnpReceive > +}; > + > +/** > + Open SNP thunk protocol. > + > + @param This Pointer to the thunk protocol instance. > + > + @retval EFI_SUCCESS SNP thunk protocol is opened successfull= y. > + @retval EFI_UNSUPPORTED This is not SNP thunk protocol. > + @retval EFI_OUT_OF_RESOURCES Not enough memory. > + @retval other Other errors. > + > +**/ > +EFI_STATUS > +WinNtSnpThunkOpen ( > + IN EMU_IO_THUNK_PROTOCOL *This > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + UINT8 HostInterfaceIndex; > + > + HostInterfaceIndex =3D 0; > + > + if (This->Private !=3D NULL) { > + return EFI_ALREADY_STARTED; > + } > + > + if (!CompareGuid (This->Protocol, &gEmuSnpProtocolGuid)) { > + return EFI_UNSUPPORTED; > + } > + > + Private =3D malloc (sizeof (WIN_NT_SNP_PRIVATE)); > + if (Private =3D=3D NULL) { > + return EFI_OUT_OF_RESOURCES; > + } > + > + Private->Signature =3D WIN_NT_SIMPLE_NETWORK_PRIVATE_SIGNATURE; > + Private->Thunk =3D This; > + CopyMem (&Private->EmuSnp, &mWinNtSnpProtocol, sizeof > (mWinNtSnpProtocol)); > + > + This->Interface =3D &Private->EmuSnp; > + This->Private =3D Private; > + > + if (This->ConfigString !=3D NULL && This->ConfigString[0] !=3D '\0') { > + HostInterfaceIndex =3D (UINT8)StrDecimalToUintn (This->ConfigString)= ; > + } > + > + return WintNtInitializeNetUtilityData (Private, HostInterfaceIndex); > +} > + > +/** > + Close SNP thunk protocol. > + > + @param This Pointer to the thunk protocol instance. > + > + @retval EFI_SUCCESS SNP thunk protocol is closed successfull= y. > + @retval EFI_UNSUPPORTED This is not SNP thunk protocol. > + @retval other Other errors. > + > +**/ > +EFI_STATUS > +WinNtSnpThunkClose ( > + IN EMU_IO_THUNK_PROTOCOL *This > + ) > +{ > + WIN_NT_SNP_PRIVATE *Private; > + > + if (!CompareGuid (This->Protocol, &gEmuSnpProtocolGuid)) { > + return EFI_UNSUPPORTED; > + } > + > + Private =3D This->Private; > + WintNtReleaseNetUtilityData (Private); > + free (Private); > + > + return EFI_SUCCESS; > +} > + > +EMU_IO_THUNK_PROTOCOL mWinNtSnpThunkIo =3D { > + &gEmuSnpProtocolGuid, > + NULL, > + NULL, > + 0, > + WinNtSnpThunkOpen, > + WinNtSnpThunkClose, > + NULL > +}; > -- > 2.20.1.windows.1