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Nt32Pkg: Fix SnpNt32 GetStatus bug 

According to UEFI spec, the Snp.GetStatus should
return the recycled transmit buffer address, while
the NT32 SNP always return value 1 for the Txbuffer.

Cc: Fu Siyuan <siyuan.fu@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Cc: Wu Jiaxin <jiaxin.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Zhang Lubo <lubo.zhang@intel.com>
Reviewed-by: Fu Siyuan <siyuan.fu@intel.com>
Reviewed-by: Jiaxin Wu <jiaxin.wu@intel.com>
This commit is contained in:
Zhang Lubo 2016-04-28 15:51:42 +08:00 committed by Jiaxin Wu
parent 50a65824c7
commit a2cc5fea44
2 changed files with 61 additions and 3 deletions
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42
Nt32Pkg/SnpNt32Dxe/SnpNt32.c
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2016, 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
@ -44,6 +44,9 @@ SNPNT32_GLOBAL_DATA gSnpNt32GlobalData = {
0,
EfiLockUninitialized
}, // Lock
NULL, // RecycledTxBuf
0, // RecycledTxBufCount
32, // MaxRecycledTxBuf
//
// Private functions
//
@ -861,9 +864,20 @@ SnpNt32GetStatus (
OUT VOID **TxBuffer
)
{
SNPNT32_INSTANCE_DATA *Instance;
SNPNT32_GLOBAL_DATA *GlobalData;
Instance = SNP_NT32_INSTANCE_DATA_FROM_SNP_THIS (This);
GlobalData = Instance->GlobalData;
if (TxBuffer != NULL) {
*((UINT8 **) TxBuffer) = (UINT8 *)(UINTN) 1;
if (GlobalData->RecycledTxBufCount != 0) {
GlobalData->RecycledTxBufCount --;
*((UINT8 **) TxBuffer) = (UINT8 *) (UINTN)GlobalData->RecycledTxBuf[GlobalData->RecycledTxBufCount];
} else {
*((UINT8 **) TxBuffer) = NULL;
}
}
if (InterruptStatus != NULL) {
@ -918,6 +932,7 @@ SnpNt32Transmit (
SNPNT32_INSTANCE_DATA *Instance;
SNPNT32_GLOBAL_DATA *GlobalData;
INT32 ReturnValue;
UINT64 *Tmp;
Instance = SNP_NT32_INSTANCE_DATA_FROM_SNP_THIS (This);
@ -945,6 +960,24 @@ SnpNt32Transmit (
if (ReturnValue < 0) {
return EFI_DEVICE_ERROR;
} else {
if ((GlobalData->MaxRecycledTxBuf + SNP_TX_BUFFER_INCREASEMENT) >= SNP_MAX_TX_BUFFER_NUM) {
return EFI_NOT_READY;
}
if (GlobalData->RecycledTxBufCount < GlobalData->MaxRecycledTxBuf) {
GlobalData->RecycledTxBuf[GlobalData->RecycledTxBufCount] = (UINT64) Buffer;
GlobalData->RecycledTxBufCount ++;
} else {
Tmp = AllocatePool (sizeof (UINT64) * (GlobalData->MaxRecycledTxBuf + SNP_TX_BUFFER_INCREASEMENT));
if (Tmp == NULL) {
return EFI_DEVICE_ERROR;
}
CopyMem (Tmp, GlobalData->RecycledTxBuf, sizeof (UINT64) * GlobalData->RecycledTxBufCount);
FreePool (GlobalData->RecycledTxBuf);
GlobalData->RecycledTxBuf = Tmp;
GlobalData->MaxRecycledTxBuf += SNP_TX_BUFFER_INCREASEMENT;
}
}
return EFI_SUCCESS;
@ -1083,6 +1116,11 @@ SnpNt32InitializeGlobalData (
InitializeListHead (&This->InstanceList);
EfiInitializeLock (&This->Lock, TPL_CALLBACK);
This->RecycledTxBuf = AllocatePool (sizeof (UINT64) * This->MaxRecycledTxBuf);
if (This->RecycledTxBuf == NULL) {
return EFI_OUT_OF_RESOURCES;
}
//
// Get the WinNT thunk
//

22
Nt32Pkg/SnpNt32Dxe/SnpNt32.h
View File

@ -1,6 +1,6 @@
/** @file
Copyright (c) 2006 - 2007, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2006 - 2016, 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
@ -58,6 +58,12 @@ typedef struct _NT_NET_INTERFACE_INFO {
#define MAX_INTERFACE_INFO_NUMBER 16
#define MAX_FILE_NAME_LENGTH 280
#define SNP_MAX_TX_BUFFER_NUM 65536
#define SNP_TX_BUFFER_INCREASEMENT 32
//
// Functions in Net Library
//
@ -154,6 +160,20 @@ struct _SNPNT32_GLOBAL_DATA {
EFI_LOCK Lock;
//
// 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;
//
// Private functions
//