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Update the structure of EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL, PXE_HW_UNDI, PXE_SW_UNDI to support greater than 256NICs in UNDI (Request by UEFI2.4 Mantis991).

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Signed-off-by: Qian Ouyang <qian.ouyang@intel.com>
Reviewed-by: Ting Ye <ting.ye@intel.com>
             Siyuan Fu <siyuan.fu@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14569 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Qian Ouyang
2013-08-20 02:22:00 +00:00
committed by qianouyang
parent 2e969d2e9e
commit 61f2ab909d
5 changed files with 43 additions and 27 deletions
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25
OptionRomPkg/UndiRuntimeDxe/Decode.c
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@@ -1,7 +1,7 @@
/** @file
Provides the basic UNID functions.
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2013, 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
@@ -1290,7 +1290,7 @@ UNDI_APIEntry_new (
CdbPtr = (PXE_CDB *) (UINTN) cdb;
if (CdbPtr->IFnum >= pxe_31->IFcnt) {
if (CdbPtr->IFnum >= (pxe_31->IFcnt | pxe_31->IFcntExt << 8) ) {
CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED;
CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB;
return ;
@@ -1336,7 +1336,7 @@ UNDI_APIEntry_Common (
if ((CdbPtr->OpCode > PXE_OPCODE_LAST_VALID) ||
(CdbPtr->StatCode != PXE_STATCODE_INITIALIZE) ||
(CdbPtr->StatFlags != PXE_STATFLAGS_INITIALIZE) ||
(CdbPtr->IFnum >= pxe_31->IFcnt) ) {
(CdbPtr->IFnum >= (pxe_31->IFcnt | pxe_31->IFcntExt << 8) ) {
goto badcdb;
}
@@ -1436,24 +1436,28 @@ PxeUpdate (
IN PXE_SW_UNDI *PxePtr
)
{
UINT16 NicNum;
NicNum = (PxePtr->IFcnt | PxePtr->IFcntEx << 8);
if (NicPtr == NULL) {
if (PxePtr->IFcnt > 0) {
if (NicNum > 0) {
//
// number of NICs this undi supports
//
PxePtr->IFcnt--;
NicNum --;
}
PxePtr->Fudge = (UINT8) (PxePtr->Fudge - CalculateSum8 ((VOID *) PxePtr, PxePtr->Len));
return ;
goto done;
}
//
// number of NICs this undi supports
//
PxePtr->IFcnt++;
NicNum++;
done:
PxePtr->IFcnt = (UINT8)(NicNum & 0xFF);
PxePtr->IFcntEx = (UINT8) ((NicNum & 0xFF00) >> 8);
PxePtr->Fudge = (UINT8) (PxePtr->Fudge - CalculateSum8 ((VOID *) PxePtr, PxePtr->Len));
return ;
}
@@ -1485,6 +1489,7 @@ PxeStructInit (
// number of NICs this undi supports
//
PxePtr->IFcnt = 0;
PxePtr->IFcntEx = 0;
PxePtr->Rev = PXE_ROMID_REV;
PxePtr->MajorVer = PXE_ROMID_MAJORVER;
PxePtr->MinorVer = PXE_ROMID_MINORVER;