Ejemplos de MP_CLEAR_FLAGS en C++ (Cpp)

Ejemplo n.º 1

Archivo: nic_send.c Proyecto: vkorehov/cncdrv

__inline
VOID
MP_FREE_SEND_PACKET(
    IN  PFDO_DATA   FdoData,
    IN  PMP_TCB     pMpTcb,
    IN  NTSTATUS    Status
    )
/*++
Routine Description:

    Recycle a MP_TCB and complete the packet if necessary

    Assumption: This function is called with the Send SPINLOCK held.

Arguments:

    FdoData     Pointer to our FdoData
    pMpTcb      Pointer to MP_TCB

Return Value:

    None

--*/
{

    WDFREQUEST          request;
    WDFDMATRANSACTION   dmaTransaction;
    size_t              length;

    ASSERT(MP_TEST_FLAG(pMpTcb, fMP_TCB_IN_USE));

    dmaTransaction = pMpTcb->DmaTransaction;
    pMpTcb->DmaTransaction = NULL;

    MP_CLEAR_FLAGS(pMpTcb);

    FdoData->CurrSendHead = FdoData->CurrSendHead->Next;
    FdoData->nBusySend--;

    request = WdfDmaTransactionGetRequest(dmaTransaction);
    length  = WdfDmaTransactionGetBytesTransferred(dmaTransaction);

    WdfObjectDelete( dmaTransaction );

    if (request)
    {
        WdfSpinLockRelease(FdoData->SendLock);
        WdfRequestCompleteWithInformation(request, Status, length);
        FdoData->BytesTransmitted += length;

        WdfSpinLockAcquire(FdoData->SendLock);
    }
}

Ejemplo n.º 2

Archivo: nic_send.c Proyecto: kcrazy/winekit

__inline VOID
MP_FREE_SEND_PACKET(
    __in  PFDO_DATA   FdoData,
    __in  PMP_TCB     pMpTcb,
    __in  NTSTATUS    Status
    )
/*++
Routine Description:

    Recycle a MP_TCB and complete the packet if necessary
    Assumption: Send spinlock has been acquired

Arguments:

    FdoData     Pointer to our FdoData
    pMpTcb      Pointer to MP_TCB
    Status      Irp completion status

Return Value:

    None

--*/
{

    PIRP  Irp;

    ASSERT(MP_TEST_FLAG(pMpTcb, fMP_TCB_IN_USE));

    Irp = pMpTcb->Irp;
    pMpTcb->Irp = NULL;
    pMpTcb->Count = 0;

    MP_CLEAR_FLAGS(pMpTcb);

    FdoData->CurrSendHead = FdoData->CurrSendHead->Next;
    FdoData->nBusySend--;
    ASSERT(FdoData->nBusySend >= 0);

    if (Irp)
    {
        KeReleaseSpinLockFromDpcLevel(&FdoData->SendLock);
        NICCompleteSendRequest(FdoData,
                            Irp,
                            Status,
                            pMpTcb->PacketLength,
                            TRUE // Yes, we are calling at DISPATCH_LEVEL
                            );

        KeAcquireSpinLockAtDpcLevel(&FdoData->SendLock);
    }
}