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Change from unclegarlic: Don't overwrite packet length.

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svn path=/trunk/; revision=9718
This commit is contained in:
Art Yerkes 2004-06-19 02:03:33 +00:00
parent fa242a9267
commit 5954327e76
1 changed files with 11 additions and 2 deletions
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13
reactos/drivers/net/tcpip/datalink/lan.c
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@ -281,7 +281,7 @@ NDIS_STATUS STDCALL ProtocolReceive(
PLAN_ADAPTER Adapter = (PLAN_ADAPTER)BindingContext;
PETH_HEADER EHeader = (PETH_HEADER)HeaderBuffer;
TI_DbgPrint(DEBUG_DATALINK, ("Called.\n"));
TI_DbgPrint(DEBUG_DATALINK, ("Called. (packetsize %d)\n",PacketSize));
if (Adapter->State != LAN_STATE_STARTED) {
TI_DbgPrint(DEBUG_DATALINK, ("Adapter is stopped.\n"));
@ -317,11 +317,17 @@ NDIS_STATUS STDCALL ProtocolReceive(
KeAcquireSpinLockAtDpcLevel(&Adapter->Lock);
NdisStatus = AllocatePacketWithBuffer( &NdisPacket, NULL, Adapter->MTU );
if( NdisStatus != NDIS_STATUS_SUCCESS ) return NDIS_STATUS_NOT_ACCEPTED;
GetDataPtr( NdisPacket, 0, &BufferData, &PacketSize );
TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));
{
UINT temp;
temp = PacketSize;
GetDataPtr( NdisPacket, 0, &BufferData, &temp );
}
IPPacket.NdisPacket = NdisPacket;
if (LookaheadBufferSize < PacketSize) {
TI_DbgPrint(DEBUG_DATALINK, ("pretransfer LookaheadBufferSize %d packsize %d\n",LookaheadBufferSize,PacketSize));
/* Get the data */
NdisTransferData(&NdisStatus,
Adapter->NdisHandle,
@ -331,6 +337,7 @@ NDIS_STATUS STDCALL ProtocolReceive(
NdisPacket,
&BytesTransferred);
} else {
TI_DbgPrint(DEBUG_DATALINK, ("copy\n"));
NdisStatus = NDIS_STATUS_SUCCESS;
BytesTransferred = PacketSize;
RtlCopyMemory(BufferData,
@ -339,6 +346,7 @@ NDIS_STATUS STDCALL ProtocolReceive(
RtlCopyMemory(BufferData + HeaderBufferSize,
LookaheadBuffer, LookaheadBufferSize);
}
TI_DbgPrint(DEBUG_DATALINK, ("Calling complete\n"));
if (NdisStatus != NDIS_STATUS_PENDING)
ProtocolTransferDataComplete(BindingContext,
@ -348,6 +356,7 @@ NDIS_STATUS STDCALL ProtocolReceive(
/* Release the packet descriptor */
KeReleaseSpinLockFromDpcLevel(&Adapter->Lock);
TI_DbgPrint(DEBUG_DATALINK, ("leaving\n"));
return NDIS_STATUS_SUCCESS;
}