Host Interface details are described by the SMBIOS Type 43 table.
The table is published by the RedfishHostInterfaceDxe driver.
That driver supports PCI-E and USB host interface types.
The table is comsumed by the RedfishGetHostInterfaceProtocolData function
in the RedfishDiscoverDxe driver.
The function only supports PCI-E interface.

Cc: Abner Chang <abner.chang@amd.com>
Cc: Nickle Wang <nickle.wang@hpe.com>
Signed-off-by: Igor Kulchytskyy <igork@ami.com>
---
 RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
index d79750b..636a1ac 100644
--- a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
+++ b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
@@ -65,10 +65,15 @@ RedfishGetHostInterfaceProtocolData (
         RecordTmp       = (UINT8 *)Record + Offset;

         //
-        // Check Device Type, only PCI/PCIe Network Interface v2 is supported now.
+        // Check Device Type, PCI/PCIe and USB Network Interface v2 is supported.
         //
-        if (*RecordTmp == REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {
-          ASSERT (SpecificDataLen == sizeof (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
+        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){
+              ASSERT (SpecificDataLen == sizeof (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
+          }
+          else{
+              ASSERT (SpecificDataLen > sizeof (REDFISH_HOST_INTERFACE_DEVICE_TYPE_USB_V2) + 1);
+          }
           *DeviceDescriptor = (REDFISH_INTERFACE_DATA *)RecordTmp;
           Offset            = Offset + SpecificDataLen;
           RecordTmp         = (UINT8 *)Record + Offset;
--
2.6.1.windows.1
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[AMD Official Use Only - General]

Three comments inline to coding standard.

> -----Original Message-----
> From: Igor Kulchytskyy <igork@ami.com>
> Sent: Thursday, August 11, 2022 4:11 AM
> To: devel@edk2.groups.io
> Cc: Chang, Abner <Abner.Chang@amd.com>; nickle.wang@hpe.com; Igor
> Kulchytskyy <igork@ami.com>; Chang, Abner <Abner.Chang@amd.com>
> Subject: [PATCH V2] RedfishPkg: RedfishDiscoverDxe: USB Redfish host
> interface is not supported
> 
> [CAUTION: External Email]
> 
> Host Interface details are described by the SMBIOS Type 43 table.
> The table is published by the RedfishHostInterfaceDxe driver.
> That driver supports PCI-E and USB host interface types.
> The table is comsumed by the RedfishGetHostInterfaceProtocolData
> function in the RedfishDiscoverDxe driver.
> The function only supports PCI-E interface.
> 
> Cc: Abner Chang <abner.chang@amd.com>
> Cc: Nickle Wang <nickle.wang@hpe.com>
> Signed-off-by: Igor Kulchytskyy <igork@ami.com>
> ---
>  RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c | 11
> ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> index d79750b..636a1ac 100644
> --- a/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> +++ b/RedfishPkg/RedfishDiscoverDxe/RedfishSmbiosHostInterface.c
> @@ -65,10 +65,15 @@ RedfishGetHostInterfaceProtocolData (
>          RecordTmp       = (UINT8 *)Record + Offset;
> 
>          //
> -        // Check Device Type, only PCI/PCIe Network Interface v2 is supported
> now.
> +        // Check Device Type, PCI/PCIe and USB Network Interface v2 is
> supported.
>          //
> -        if (*RecordTmp ==
> REDFISH_HOST_INTERFACE_DEVICE_TYPE_PCI_PCIE_V2) {
> -          ASSERT (SpecificDataLen == sizeof
> (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
> +        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){
Space between ')'. and '{'.

> +              ASSERT (SpecificDataLen == sizeof
> (PCI_OR_PCIE_INTERFACE_DEVICE_DESCRIPTOR_V2) + 1);
> +          }
Please have 'else' share the same line with '}'
> +          else{
Please have space between 'else' and '{'.

Thanks
Abner

> +              ASSERT (SpecificDataLen > sizeof
> (REDFISH_HOST_INTERFACE_DEVICE_TYPE_USB_V2) + 1);
> +          }
>            *DeviceDescriptor = (REDFISH_INTERFACE_DATA *)RecordTmp;
>            Offset            = Offset + SpecificDataLen;
>            RecordTmp         = (UINT8 *)Record + Offset;
> --
> 2.6.1.windows.1
> -The information contained in this message may be confidential and
> proprietary to American Megatrends (AMI). This communication is intended
> to be read only by the individual or entity to whom it is addressed or by their
> designee. If the reader of this message is not the intended recipient, you are
> on notice that any distribution of this message, in any form, is strictly
> prohibited. Please promptly notify the sender by reply e-mail or by
> telephone at 770-246-8600, and then delete or destroy all copies of the
> transmission.


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