mp_req.c

Intel EtherExpressTM PRO/100+ Ethernet 网卡在Windows2000/xp下的PCI驱动程序源代码

                (UCHAR) (NewParameterField & (~CB_CFIG_CRS_OR_CDT));
        }

        //
        // Setup Full duplex stuff
        //

        //
        // If forced to half duplex
        //
        if (Adapter->AiForceDpx == 1) 
	    {
            Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[19] =
                (CB_557_CFIG_DEFAULT_PARM19 &
                (~(CB_CFIG_FORCE_FDX| CB_CFIG_FDX_ENABLE)));
        }
        //
        // If forced to full duplex
        //
        else if (Adapter->AiForceDpx == 2)
	    {
            Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[19] =
                (CB_557_CFIG_DEFAULT_PARM19 | CB_CFIG_FORCE_FDX);
        }
        //
        // If auto-duplex
        //
        else 
	    {
            Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[19] =
                                                CB_557_CFIG_DEFAULT_PARM19;
        }

        //
        // if multicast all is being turned on, set the bit
        //
        if (PacketFilter & NDIS_PACKET_TYPE_ALL_MULTICAST) 
	    {
            Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[21] =
                                 (CB_557_CFIG_DEFAULT_PARM21 | CB_CFIG_MULTICAST_ALL);
        }
        else 
	    {
            Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[21] =
                                                CB_557_CFIG_DEFAULT_PARM21;
        }


        //
        // Wait for the SCB to clear before we check the CU status.
        //
        if (!WaitScb(Adapter))
        {
            Status = NDIS_STATUS_HARD_ERRORS;
            break;
        }

        //
        // If we have issued any transmits, then the CU will either be active,
        // or in the suspended state.  If the CU is active, then we wait for
        // it to be suspended.
        //
        if (Adapter->TransmitIdle == FALSE)
        {
            //
            // Wait for suspended state
            //
            MP_STALL_AND_WAIT((Adapter->CSRAddress->ScbStatus & SCB_CUS_MASK) != SCB_CUS_ACTIVE, 5000, bResult);
            if (!bResult)
            {
                MP_SET_HARDWARE_ERROR(Adapter);
                Status = NDIS_STATUS_HARD_ERRORS;
                break;
            }

            //
            // Check the current status of the receive unit
            //
            if ((Adapter->CSRAddress->ScbStatus & SCB_RUS_MASK) != SCB_RUS_IDLE)
            {
                // Issue an RU abort.  Since an interrupt will be issued, the
                // RU will be started by the DPC.
                Status = D100IssueScbCommand(Adapter, SCB_RUC_ABORT, TRUE);
                if (Status != NDIS_STATUS_SUCCESS)
                {
                    break;
                }
            }
            
            if (!WaitScb(Adapter))
            {
                Status = NDIS_STATUS_HARD_ERRORS;
                break;
            }
           
            //
            // Restore the transmit software flags.  After the multicast
            // command is issued, the command unit will be idle, because the
            // EL bit will be set in the multicast commmand block.
            //
            Adapter->TransmitIdle = TRUE;
            Adapter->ResumeWait = TRUE;
        }
        
        //
        // Display config info
        //
        DBGPRINT(MP_INFO, ("Re-Issuing Configure command for filter change\n"));
        DBGPRINT(MP_INFO, ("Config Block at virt addr "PTR_FORMAT", phys address %x\n",
            &((PCB_HEADER_STRUC)Adapter->NonTxCmdBlock)->CbStatus, Adapter->NonTxCmdBlockPhys));

        for (i = 0; i < CB_CFIG_BYTE_COUNT; i++)
            DBGPRINT(MP_INFO, ("  Config byte %x = %.2x\n", i, Adapter->NonTxCmdBlock->NonTxCb.Config.ConfigBytes[i]));

        //
        // Submit the configure command to the chip, and wait for it to complete.
        //
        Adapter->CSRAddress->ScbGeneralPointer = Adapter->NonTxCmdBlockPhys;
        Status = D100SubmitCommandBlockAndWait(Adapter);
        if (Status != NDIS_STATUS_SUCCESS)
        {
            Status = NDIS_STATUS_NOT_ACCEPTED;
        }

    } while (FALSE);

    DBGPRINT_S(Status, ("<-- NICSetPacketFilter, Status=%x\n", Status));

    return(Status);
}

NDIS_STATUS NICSetMulticastList(
    IN  PMP_ADAPTER  Adapter
    )
/*++
Routine Description:

    This routine will set up the adapter for a specified multicast address list
    
Arguments:
    
    Adapter     Pointer to our adapter
    
Return Value:

    NDIS_STATUS_SUCCESS
    NDIS_STATUS_NOT_ACCEPTED
    
--*/
{
    NDIS_STATUS     Status;
    PUCHAR          McAddress;
    UINT            i, j;
    BOOLEAN         bResult;

    DBGPRINT(MP_TRACE, ("--> NICSetMulticastList\n"));

    //
    // Setup the command block for the multicast command.
    //
    for (i = 0; i < Adapter->MCAddressCount; i++)
    {
        DBGPRINT(MP_INFO, ("MC(%d) = %02x-%02x-%02x-%02x-%02x-%02x\n", 
            i,
            Adapter->MCList[i][0],
            Adapter->MCList[i][1],
            Adapter->MCList[i][2],
            Adapter->MCList[i][3],
            Adapter->MCList[i][4],
            Adapter->MCList[i][5]));

        McAddress = &Adapter->NonTxCmdBlock->NonTxCb.Multicast.McAddress[i*ETHERNET_ADDRESS_LENGTH];

        for (j = 0; j < ETH_LENGTH_OF_ADDRESS; j++)
            *(McAddress++) = Adapter->MCList[i][j];
    }

    Adapter->NonTxCmdBlock->NonTxCb.Multicast.McCount =
        (USHORT)(Adapter->MCAddressCount * ETH_LENGTH_OF_ADDRESS);
    ((PCB_HEADER_STRUC)Adapter->NonTxCmdBlock)->CbStatus = 0;
    ((PCB_HEADER_STRUC)Adapter->NonTxCmdBlock)->CbCommand = CB_MULTICAST;

    //
    // Wait for the SCB to clear before we check the CU status.
    //
    if (!WaitScb(Adapter))
    {
        Status = NDIS_STATUS_HARD_ERRORS;
        MP_EXIT;
    }

    //
    // If we have issued any transmits, then the CU will either be active, or
    // in the suspended state.  If the CU is active, then we wait for it to be
    // suspended.
    //
    if (Adapter->TransmitIdle == FALSE)
    {
        //
        // Wait for suspended state
        //
        MP_STALL_AND_WAIT((Adapter->CSRAddress->ScbStatus & SCB_CUS_MASK) != SCB_CUS_ACTIVE, 5000, bResult);
        if (!bResult)
        {
            MP_SET_HARDWARE_ERROR(Adapter);
            Status = NDIS_STATUS_HARD_ERRORS;
        }

        //
        // Restore the transmit software flags.  After the multicast command is
        // issued, the command unit will be idle, because the EL bit will be
        // set in the multicast commmand block.
        //
        Adapter->TransmitIdle = TRUE;
        Adapter->ResumeWait = TRUE;
    }

    //
    // Update the command list pointer.
    //
    Adapter->CSRAddress->ScbGeneralPointer = Adapter->NonTxCmdBlockPhys;

    //
    // Submit the multicast command to the adapter and wait for it to complete.
    //
    Status = D100SubmitCommandBlockAndWait(Adapter);
    if (Status != NDIS_STATUS_SUCCESS)
    {
        Status = NDIS_STATUS_NOT_ACCEPTED;
    }
    
    exit:

    DBGPRINT_S(Status, ("<-- NICSetMulticastList, Status=%x\n", Status));

    return(Status);

}

NDIS_STATUS MPSetInformation(
    IN NDIS_HANDLE MiniportAdapterContext,
    IN NDIS_OID Oid,
    IN PVOID InformationBuffer,
    IN ULONG InformationBufferLength,
    OUT PULONG BytesRead,
    OUT PULONG BytesNeeded
    )
/*++
Routine Description:

    This is the handler for an OID set operation.
    The only operations that really change the configuration of the adapter are
    set PACKET_FILTER, and SET_MULTICAST.       
    
Arguments:
    
    MiniportAdapterContext  Pointer to the adapter structure
    Oid                     Oid for this query
    InformationBuffer       Buffer for information
    InformationBufferLength Size of this buffer
    BytesRead               Specifies how much info is read
    BytesNeeded             In case the buffer is smaller than what we need, tell them how much is needed
    
Return Value:

    NDIS_STATUS_SUCCESS        
    NDIS_STATUS_INVALID_LENGTH 
    NDIS_STATUS_INVALID_OID    
    NDIS_STATUS_NOT_SUPPORTED  
    NDIS_STATUS_NOT_ACCEPTED   
    
--*/
{
    NDIS_STATUS                 Status = NDIS_STATUS_SUCCESS;
    PMP_ADAPTER                 Adapter = (PMP_ADAPTER) MiniportAdapterContext;
    ULONG                       PacketFilter;
    NDIS_DEVICE_POWER_STATE     NewPowerState;
    ULONG                       CustomDriverSet;

#if OFFLOAD
    PNDIS_TASK_OFFLOAD_HEADER   pNdisTaskOffloadHdr;
    PNDIS_TASK_OFFLOAD          TaskOffload;
    PNDIS_TASK_OFFLOAD          TmpOffload;
    PNDIS_TASK_TCP_IP_CHECKSUM  pTcpIpChecksumTask;
    PNDIS_TASK_TCP_LARGE_SEND   pNdisTaskTcpLargeSend;
    UINT                        i;
#endif    

    
    DBGPRINT(MP_TRACE, ("====> MPSetInformation\n"));

    *BytesRead = 0;
    *BytesNeeded = 0;

    switch(Oid)
    {
        case OID_802_3_MULTICAST_LIST:
            //
            // Verify the length
            //
            if (InformationBufferLength % ETH_LENGTH_OF_ADDRESS != 0)
            {
                return(NDIS_STATUS_INVALID_LENGTH);
            }

            //
            // Save the number of MC list size
            //
            Adapter->MCAddressCount = InformationBufferLength / ETH_LENGTH_OF_ADDRESS;
            ASSERT(Adapter->MCAddressCount <= NIC_MAX_MCAST_LIST);

            //
            // Save the MC list
            //
            NdisMoveMemory(
                Adapter->MCList, 
                InformationBuffer, 
                InformationBufferLength);

            *BytesRead = InformationBufferLength;
            NdisDprAcquireSpinLock(&Adapter->Lock);
            NdisDprAcquireSpinLock(&Adapter->RcvLock);
            
            Status = NICSetMulticastList(Adapter);

            NdisDprReleaseSpinLock(&Adapter->RcvLock);
            NdisDprReleaseSpinLock(&Adapter->Lock);
            break;

        case OID_GEN_CURRENT_PACKET_FILTER:
            //
            // Verify the Length
            //
            if (InformationBufferLength != sizeof(ULONG))
            {
                return(NDIS_STATUS_INVALID_LENGTH);
            }

            *BytesRead = InformationBufferLength;
            
            NdisMoveMemory(&PacketFilter, InformationBuffer, sizeof(ULONG));

            //
            // any bits not supported?
            //
            if (PacketFilter & ~NIC_SUPPORTED_FILTERS)
            {
                return(NDIS_STATUS_NOT_SUPPORTED);
            }

            //
            // any filtering changes?
            //
            if (PacketFilter == Adapter->PacketFilter)
            {
                return(NDIS_STATUS_SUCCESS);
            }

            NdisDprAcquireSpinLock(&Adapter->Lock);
            NdisDprAcquireSpinLock(&Adapter->RcvLock);
            
            if (MP_TEST_FLAG(Adapter, fMP_ADAPTER_LINK_DETECTION))
            {
                ASSERT(!Adapter->bSetPending);
                Adapter->bSetPending = TRUE;
                Adapter->SetRequest.Oid = Oid;                       
                Adapter->SetRequest.InformationBuffer = InformationBuffer;                       
                Adapter->SetRequest.InformationBufferLength = InformationBufferLength;
                Adapter->SetRequest.BytesRead = BytesRead;                       
                Adapter->SetRequest.BytesNeeded = BytesNeeded;                       

                NdisDprReleaseSpinLock(&Adapter->RcvLock);
                NdisDprReleaseSpinLock(&Adapter->Lock);
                Status = NDIS_STATUS_PENDING;   
                break;
            }

            Status = NICSetPacketFilter(
                         Adapter,
                         PacketFilter);

            NdisDprReleaseSpinLock(&Adapter->RcvLock);