Re: [edk2-devel] [PATCH V3 6/9] RedfishPkg/RedfishDiscovery: Refine SMBIOS 42h code

["Nickle Wang via groups.io" <nicklew=nvidia.com@groups.io>]

Reviewed-by: Nickle Wang <nicklew@nvidia.com>

Regards,
Nickle

> -----Original Message-----
> From: abner.chang@amd.com <abner.chang@amd.com>
> Sent: Monday, November 27, 2023 1:31 PM
> To: devel@edk2.groups.io
> Cc: Nickle Wang <nicklew@nvidia.com>; Igor Kulchytskyy <igork@ami.com>;
> Mike Maslenkin <mike.maslenkin@gmail.com>
> Subject: [PATCH V3 6/9] RedfishPkg/RedfishDiscovery: Refine SMBIOS 42h code
> 
> External email: Use caution opening links or attachments
> 
> 
> From: Abner Chang <abner.chang@amd.com>
> 
> Refine SMBIOS 42h code add mode debug message for the error conditions.
> 
> Signed-off-by: Abner Chang <abner.chang@amd.com>
> Cc: Nickle Wang <nicklew@nvidia.com>
> Cc: Igor Kulchytskyy <igork@ami.com>
> Cc: Mike Maslenkin <mike.maslenkin@gmail.com>
> ---
>  .../RedfishDiscoverInternal.h                 |  2 ++
>  .../RedfishSmbiosHostInterface.c              | 20 +++++++++++++++++--
>  2 files changed, 20 insertions(+), 2 deletions(-)
> 
> diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> index e27cfa76e39..de7faa4f975 100644
> --- a/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishDiscoverInternal.h
> @@ -42,6 +42,8 @@
>  #define MAC_COMPARE(This, Target)  (CompareMem ((VOID *)&(This)-
> >MacAddress, &(Target)->MacAddress, (This)->HwAddressSize) == 0)
>  #define VALID_TCP6(Target, This)   ((Target)->IsIpv6 && ((This)-
> >NetworkProtocolType == ProtocolTypeTcp6))
>  #define VALID_TCP4(Target, This)   (!(Target)->IsIpv6 && ((This)-
> >NetworkProtocolType == ProtocolTypeTcp4))
> +#define REDFISH_HI_ITERFACE_SPECIFIC_DATA_LENGTH_OFFSET
> ((UINT16)(UINTN)(&((SMBIOS_TABLE_TYPE42 *)0)-
> >InterfaceTypeSpecificDataLength))
> +#define REDFISH_HI_PROTOCOL_HOSTNAME_LENGTH_OFFSET
> ((UINT16)(UINTN)(&((REDFISH_OVER_IP_PROTOCOL_DATA *)0)-
> >RedfishServiceHostnameLength))
> 
>  //
>  // GUID definitions
> diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> index 0d6edc7dc35..57665f367be 100644
> --- a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> @@ -56,7 +56,7 @@ RedfishGetHostInterfaceProtocolData (
>        mType42Record = (SMBIOS_TABLE_TYPE42 *)Record;
>        if (mType42Record->InterfaceType ==
> MCHostInterfaceTypeNetworkHostInterface) {
>          ASSERT (Record->Length >= 9);
> -        Offset    = 5;
> +        Offset    = REDFISH_HI_ITERFACE_SPECIFIC_DATA_LENGTH_OFFSET;
>          RecordTmp = (UINT8 *)Record + Offset;
>          //
>          // Get interface specific data length.
> @@ -70,11 +70,13 @@ RedfishGetHostInterfaceProtocolData (
>          //
>          if ((*RecordTmp ==
> REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) || (*RecordTmp ==
> REDFISH_HOST_INTERFACE_DEVICE_TYPE_USB_V2)) {
>            if (*RecordTmp ==
> REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {
> +            // According to Redfish Host Interface specification, add additional one
> byte for Device Type field.
>              if (SpecificDataLen != sizeof
> (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1) {
>                ASSERT (SpecificDataLen == sizeof
> (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
>                return EFI_VOLUME_CORRUPTED;
>              }
>            } else {
> +            // According to Redfish Host Interface specification, add additional one
> byte for Device Type field.
>              if (SpecificDataLen != sizeof (USB_INTERFACE_DEVICE_DESCRIPTOR_V2)
> + 1) {
>                ASSERT (SpecificDataLen == sizeof
> (USB_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
>                return EFI_VOLUME_CORRUPTED; @@ -105,7 +107,14 @@
> RedfishGetHostInterfaceProtocolData (
>              // This SMBIOS record is invalid, if the length of protocol specific data for
>              // Redfish Over IP protocol is wrong.
>              //
> -            if ((*(RecordTmp + 90) + sizeof (REDFISH_OVER_IP_PROTOCOL_DATA) -
> 1) != ProtocolLength) {
> +            if ((*(RecordTmp +
> REDFISH_HI_PROTOCOL_HOSTNAME_LENGTH_OFFSET) + sizeof
> (REDFISH_OVER_IP_PROTOCOL_DATA) - 1) != ProtocolLength) {
> +              DEBUG ((
> +                DEBUG_ERROR,
> +                "%a: Length of protocol specific data is not match: %d !=
> ProtocolLength(%d).\n",
> +                __func__,
> +                *(RecordTmp +
> REDFISH_HI_PROTOCOL_HOSTNAME_LENGTH_OFFSET) + sizeof
> (REDFISH_OVER_IP_PROTOCOL_DATA) - 1,
> +                ProtocolLength
> +                ));
>                return EFI_SECURITY_VIOLATION;
>              }
> 
> @@ -114,6 +123,13 @@ RedfishGetHostInterfaceProtocolData (
>              // This SMBIOS record is invalid, if the length is smaller than the offset.
>              //
>              if (Offset > mType42Record->Hdr.Length) {
> +              DEBUG ((
> +                DEBUG_ERROR,
> +                "%a: Offset (%d) > mType42Record->Hdr.Length (%d).\n",
> +                __func__,
> +                Offset,
> +                mType42Record->Hdr.Length
> +                ));
>                return EFI_SECURITY_VIOLATION;
>              }
> 
> --
> 2.37.1.windows.1



-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#112013): https://edk2.groups.io/g/devel/message/112013
Mute This Topic: https://groups.io/mt/102824323/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-