/************************************************************
Function called by NDIS to indicate that the data transfer
is finished
************************************************************/
VOID NDIS_API
PacketSendComplete( IN NDIS_HANDLE ProtocolBindingContext,
IN PNDIS_PACKET pPacket,
IN NDIS_STATUS Status
)
{
PNDIS_BUFFER pNdisBuffer;
PPACKET_RESERVED Reserved = (PPACKET_RESERVED) pPacket->ProtocolReserved;
TRACE_ENTER( "SendComplete" );
NdisUnchainBufferAtFront( pPacket, &pNdisBuffer );
if ( pNdisBuffer )
NdisFreeBuffer( pNdisBuffer );
VWIN32_DIOCCompletionRoutine( Reserved->lpoOverlapped->O_Internal );
PacketPageUnlock( Reserved->lpBuffer, Reserved->cbBuffer );
PacketPageUnlock( Reserved->lpcbBytesReturned, sizeof(DWORD) );
PacketPageUnlock( Reserved->lpoOverlapped, sizeof(OVERLAPPED) );
NdisReinitializePacket(pPacket);
NdisFreePacket(pPacket);
TRACE_LEAVE( "SendComplete" );
return;
}
VOID NDIS_API PacketRequestComplete(IN NDIS_HANDLE ProtocolBindingContext,
IN PNDIS_REQUEST NdisRequest,
IN NDIS_STATUS Status)
{
// perform a packet request complete
POPEN_INSTANCE Open = (POPEN_INSTANCE)ProtocolBindingContext;
PINTERNAL_REQUEST pRequest = CONTAINING_RECORD(NdisRequest, INTERNAL_REQUEST, Request);
PPACKET_RESERVED pReserved = &pRequest->Reserved;
OVERLAPPED * pOverlap = (OVERLAPPED *)pReserved->lpoOverlapped;
EPACKET_OID * oidData = (EPACKET_OID*)pReserved->lpBuffer;
if (Status == NDIS_STATUS_SUCCESS) {
// set total bytes returned
*pReserved->lpcbBytesReturned = oidData->Length + sizeof(EPACKET_OID) - sizeof(oidData->Data);
pOverlap->O_InternalHigh = *(pReserved->lpcbBytesReturned);
}
else {
*pReserved->lpcbBytesReturned = 0; // set total bytes returned
pOverlap->O_InternalHigh = *pReserved->lpcbBytesReturned;
oidData->Length = Status; // return status in oidData if there is an error
}
// The internal member of overlapped structure contains
// a pointer to the event structure that will be signalled,
// resuming the execution of the waitng GetOverlappedResult
// call.
VWIN32_DIOCCompletionRoutine(pOverlap->O_Internal);
// Unlock buffers
PacketPageUnlock(pReserved->lpBuffer, pReserved->cbBuffer);
PacketPageUnlock(pReserved->lpcbBytesReturned, sizeof(DWORD));
PacketPageUnlock(pReserved->lpoOverlapped, sizeof(OVERLAPPED));
// Return request element to list
NdisAcquireSpinLock(&Open->RequestSpinLock);
InsertTailList(&Open->RequestList, &pReserved->ListElement);
NdisReleaseSpinLock(&Open->RequestSpinLock);
}
VOID NDIS_API PacketTransferDataComplete(IN NDIS_HANDLE ProtocolBindingContext,
IN PNDIS_PACKET pPacket,
IN NDIS_STATUS Status,
IN UINT BytesTransfered)
{
// upcall when no more data available
POPEN_INSTANCE Open = (POPEN_INSTANCE)ProtocolBindingContext;
PPACKET_RESERVED pReserved = (PPACKET_RESERVED)(pPacket->ProtocolReserved);
OVERLAPPED * pOverlap = (OVERLAPPED *)(pReserved->lpoOverlapped);
PNDIS_BUFFER pNdisBuffer;
// free buffer descriptor
NdisUnchainBufferAtFront(pPacket, &pNdisBuffer);
if (pNdisBuffer)
NdisFreeBuffer(pNdisBuffer);
// set total bytes returned
BytesTransfered += ETHERNET_HEADER_LENGTH;
*pReserved->lpcbBytesReturned += BytesTransfered;
pOverlap->O_InternalHigh = *(pReserved->lpcbBytesReturned);
// The internal member of overlapped structure contains
// a pointer to the event structure that will be signalled,
// resuming the execution of the waitng GetOverlappedResult
// call.
VWIN32_DIOCCompletionRoutine(pOverlap->O_Internal);
// Unlock buffers
PacketPageUnlock(pReserved->lpBuffer, pReserved->cbBuffer);
PacketPageUnlock(pReserved->lpcbBytesReturned, sizeof(DWORD));
PacketPageUnlock(pReserved->lpoOverlapped, sizeof(OVERLAPPED));
// recycle the packet
NdisReinitializePacket(pPacket);
// Put the packet on the free queue
NdisFreePacket(pPacket);
}
VOID NDIS_API PacketSendComplete(IN NDIS_HANDLE ProtocolBindingContext,
IN PNDIS_PACKET pPacket,
IN NDIS_STATUS Status)
{
// upcall on completion of send
PNDIS_BUFFER pNdisBuffer;
PPACKET_RESERVED Reserved = (PPACKET_RESERVED)pPacket->ProtocolReserved;
// free buffer descriptor
NdisUnchainBufferAtFront(pPacket, &pNdisBuffer);
if (pNdisBuffer)
NdisFreeBuffer(pNdisBuffer);
// return status
Reserved->lpoOverlapped->O_InternalHigh = Status;
// The internal member of overlapped structure contains
// a pointer to the event structure that will be signalled,
// resuming the execution of the waiting GetOverlappedResult
// call.
VWIN32_DIOCCompletionRoutine(Reserved->lpoOverlapped->O_Internal);
// Unlock buffers
PacketPageUnlock(Reserved->lpBuffer, Reserved->cbBuffer);
PacketPageUnlock(Reserved->lpcbBytesReturned, sizeof(DWORD));
PacketPageUnlock(Reserved->lpoOverlapped, sizeof(OVERLAPPED));
// recycle the packet
NdisReinitializePacket(pPacket);
// Put the packet back on the free list
NdisFreePacket(pPacket);
}