[edk2-devel] [PATCH edk2-platforms 01/10] ManageabilityPkg: Add definition for the MCTP KCS TRAILER structure

[Konstantin Aladyshev]

Currently there is only a definition for the MCTP KCS HEADER structure.
Add definition for the MCTP KCS TRAILER structure as well.

Signed-off-by: Konstantin Aladyshev <aladyshev22 at gmail.com>
Signed-off-by: Abner Chang <abner.chang at amd.com>
---
 .../Library/ManageabilityTransportMctpLib.h        |  5 +++++
 .../MctpProtocol/Common/MctpProtocolCommon.c       | 14 +++++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
index 43bd142f4c..462e7436e6 100644
--- a/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
+++ b/Features/ManageabilityPkg/Include/Library/ManageabilityTransportMctpLib.h
@@ -39,6 +39,11 @@ typedef struct {
   UINT8    DefiningBody; ///< Message type.
   UINT8    ByteCount;    ///< Byte count of payload.
 } MANAGEABILITY_MCTP_KCS_HEADER;
+
+typedef struct {
+  UINT8    Pec;  ///< MCTP over KCS Packet Error Code.
+} MANAGEABILITY_MCTP_KCS_TRAILER;
+
 #define MCTP_KCS_NETFN_LUN                       0xb0
 #define DEFINING_BODY_DMTF_PRE_OS_WORKING_GROUP  0x01
 
diff --git a/Features/ManageabilityPkg/Universal/MctpProtocol/Common/MctpProtocolCommon.c b/Features/ManageabilityPkg/Universal/MctpProtocol/Common/MctpProtocolCommon.c
index 1ad48efdc7..7576007f77 100644
--- a/Features/ManageabilityPkg/Universal/MctpProtocol/Common/MctpProtocolCommon.c
+++ b/Features/ManageabilityPkg/Universal/MctpProtocol/Common/MctpProtocolCommon.c
@@ -132,7 +132,7 @@ SetupMctpRequestTransportPacket (
   MANAGEABILITY_MCTP_KCS_HEADER  *MctpKcsHeader;
   MCTP_TRANSPORT_HEADER          *MctpTransportHeader;
   MCTP_MESSAGE_HEADER            *MctpMessageHeader;
-  UINT8                          *Pec;
+  MANAGEABILITY_MCTP_KCS_TRAILER *MctpKcsTrailer;
   UINT8                          *ThisPackage;
 
   if ((PacketHeader == NULL) || (PacketHeaderSize == NULL) ||
@@ -151,8 +151,8 @@ SetupMctpRequestTransportPacket (
       return EFI_OUT_OF_RESOURCES;
     }
 
-    Pec = (UINT8 *)AllocateZeroPool (sizeof (UINT8));
-    if (Pec == NULL) {
+    MctpKcsTrailer = (MANAGEABILITY_MCTP_KCS_TRAILER *)AllocateZeroPool (sizeof (MANAGEABILITY_MCTP_KCS_TRAILER));
+    if (MctpKcsTrailer == NULL) {
       DEBUG ((DEBUG_ERROR, "%a: Not enough resource for PEC.\n", __func__));
       FreePool (MctpKcsHeader);
       return EFI_OUT_OF_RESOURCES;
@@ -167,7 +167,7 @@ SetupMctpRequestTransportPacket (
     if (ThisPackage == NULL) {
       DEBUG ((DEBUG_ERROR, "%a: Not enough resource for package.\n", __func__));
       FreePool (MctpKcsHeader);
-      FreePool (Pec);
+      FreePool (MctpKcsTrailer);
       return EFI_OUT_OF_RESOURCES;
     }
 
@@ -193,14 +193,14 @@ SetupMctpRequestTransportPacket (
 
     //
     // Generate PEC follow SMBUS 2.0 specification.
-    *Pec = HelperManageabilityGenerateCrc8 (MCTP_KCS_PACKET_ERROR_CODE_POLY, 0, ThisPackage, MctpKcsHeader->ByteCount);
+    MctpKcsTrailer->Pec = HelperManageabilityGenerateCrc8 (MCTP_KCS_PACKET_ERROR_CODE_POLY, 0, ThisPackage, MctpKcsHeader->ByteCount);
 
     *PacketBody        = (UINT8 *)ThisPackage;
     *PacketBodySize    = MctpKcsHeader->ByteCount;
-    *PacketTrailer     = (MANAGEABILITY_TRANSPORT_TRAILER)Pec;
+    *PacketTrailer     = (MANAGEABILITY_TRANSPORT_TRAILER)MctpKcsTrailer;
     *PacketHeader      = (MANAGEABILITY_TRANSPORT_HEADER)MctpKcsHeader;
     *PacketHeaderSize  = sizeof (MANAGEABILITY_MCTP_KCS_HEADER);
-    *PacketTrailerSize = 1;
+    *PacketTrailerSize = sizeof (MANAGEABILITY_MCTP_KCS_TRAILER);
     return EFI_SUCCESS;
   } else {
     DEBUG ((DEBUG_ERROR, "%a: No implementation of building up packet.", __func__));
-- 
2.34.1



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