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- Restore the worker in the loopback code because we can enter the loopback code from TCPPacketSend at a raised IRQL

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- Fixes a crash with TCP over loopback

svn path=/branches/aicom-network-branch/; revision=45087
This commit is contained in:
Cameron Gutman 2010-01-15 18:01:52 +00:00
parent f22efa9fe8
commit b7457ec3d8
1 changed files with 27 additions and 7 deletions
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34
lib/drivers/ip/network/loopback.c
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@ -12,6 +12,17 @@
PIP_INTERFACE Loopback = NULL; PIP_INTERFACE Loopback = NULL;
VOID LoopPassiveWorker(
PVOID Context)
{
PIP_PACKET IPPacket = Context;
IPReceive(Loopback, IPPacket);
FreeNdisPacket(IPPacket->NdisPacket);
ExFreePool(Context);
}
VOID LoopTransmit( VOID LoopTransmit(
PVOID Context, PVOID Context,
PNDIS_PACKET NdisPacket, PNDIS_PACKET NdisPacket,
@ -34,6 +45,7 @@ VOID LoopTransmit(
NDIS_STATUS NdisStatus; NDIS_STATUS NdisStatus;
IP_PACKET IPPacket; IP_PACKET IPPacket;
PNDIS_BUFFER NdisBuffer; PNDIS_BUFFER NdisBuffer;
PVOID WorkerBuffer;
ASSERT_KM_POINTER(NdisPacket); ASSERT_KM_POINTER(NdisPacket);
ASSERT_KM_POINTER(PC(NdisPacket)); ASSERT_KM_POINTER(PC(NdisPacket));
@ -46,9 +58,6 @@ VOID LoopTransmit(
NdisStatus = AllocatePacketWithBuffer NdisStatus = AllocatePacketWithBuffer
( &XmitPacket, PacketBuffer, PacketLength ); ( &XmitPacket, PacketBuffer, PacketLength );
(PC(NdisPacket)->DLComplete)
( PC(NdisPacket)->Context, NdisPacket, NdisStatus );
if( NT_SUCCESS(NdisStatus) ) { if( NT_SUCCESS(NdisStatus) ) {
IPInitializePacket(&IPPacket, 0); IPInitializePacket(&IPPacket, 0);
@ -60,12 +69,23 @@ VOID LoopTransmit(
&IPPacket.ContigSize, &IPPacket.ContigSize,
&IPPacket.TotalSize); &IPPacket.TotalSize);
IPReceive(Loopback, &IPPacket);
WorkerBuffer = ExAllocatePool(NonPagedPool, sizeof(IPPacket));
FreeNdisPacket(XmitPacket); if (WorkerBuffer)
{
RtlCopyMemory(WorkerBuffer, &IPPacket, sizeof(IPPacket));
if (!ChewCreate(LoopPassiveWorker, WorkerBuffer))
{
ExFreePool(WorkerBuffer);
NdisStatus = NDIS_STATUS_RESOURCES;
}
}
else
NdisStatus = NDIS_STATUS_RESOURCES;
} }
TI_DbgPrint(MAX_TRACE, ("Done\n")); (PC(NdisPacket)->DLComplete)
( PC(NdisPacket)->Context, NdisPacket, NdisStatus );
} }
NDIS_STATUS LoopRegisterAdapter( NDIS_STATUS LoopRegisterAdapter(