miniport.c File Reference

#include "ndissys.h"
#include <ndisguid.h>

Include dependency graph for miniport.c:

Go to the source code of this file.

Macros
#define	BREAK_ON_MINIPORT_INIT   0
#define	ROUTE_DATA_SIZE   256
#define	MEDIA_ARRAY_SIZE   15

Functions
PNDIS_MINIPORT_WORK_ITEM	MiniGetFirstWorkItem (PLOGICAL_ADAPTER Adapter, NDIS_WORK_ITEM_TYPE Type)
BOOLEAN	MiniIsBusy (PLOGICAL_ADAPTER Adapter, NDIS_WORK_ITEM_TYPE Type)
VOID	MiniIndicateData (PLOGICAL_ADAPTER Adapter, NDIS_HANDLE MacReceiveContext, PVOID HeaderBuffer, UINT HeaderBufferSize, PVOID LookaheadBuffer, UINT LookaheadBufferSize, UINT PacketSize)
VOID EXPORT	NdisReturnPackets (IN PNDIS_PACKET *PacketsToReturn, IN UINT NumberOfPackets)
VOID NTAPI	MiniIndicateReceivePacket (IN NDIS_HANDLE MiniportAdapterHandle, IN PPNDIS_PACKET PacketArray, IN UINT NumberOfPackets)
VOID NTAPI	MiniResetComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS Status, IN BOOLEAN AddressingReset)
VOID NTAPI	MiniRequestComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS Status)
VOID NTAPI	MiniSendComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN PNDIS_PACKET Packet, IN NDIS_STATUS Status)
VOID NTAPI	MiniSendResourcesAvailable (IN NDIS_HANDLE MiniportAdapterHandle)
VOID NTAPI	MiniTransferDataComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN PNDIS_PACKET Packet, IN NDIS_STATUS Status, IN UINT BytesTransferred)
BOOLEAN	MiniAdapterHasAddress (PLOGICAL_ADAPTER Adapter, PNDIS_PACKET Packet)
PLOGICAL_ADAPTER	MiniLocateDevice (PNDIS_STRING AdapterName)
NDIS_STATUS	MiniSetInformation (PLOGICAL_ADAPTER Adapter, NDIS_OID Oid, ULONG Size, PVOID Buffer, PULONG BytesRead)
NDIS_STATUS	MiniQueryInformation (PLOGICAL_ADAPTER Adapter, NDIS_OID Oid, ULONG Size, PVOID Buffer, PULONG BytesWritten)
BOOLEAN	MiniCheckForHang (PLOGICAL_ADAPTER Adapter)
VOID	MiniDoAddressingReset (PLOGICAL_ADAPTER Adapter)
NDIS_STATUS	MiniReset (PLOGICAL_ADAPTER Adapter)
VOID NTAPI	MiniportHangDpc (PKDPC Dpc, PVOID DeferredContext, PVOID SystemArgument1, PVOID SystemArgument2)
VOID	MiniWorkItemComplete (PLOGICAL_ADAPTER Adapter, NDIS_WORK_ITEM_TYPE WorkItemType)
VOID FASTCALL	MiniQueueWorkItem (PLOGICAL_ADAPTER Adapter, NDIS_WORK_ITEM_TYPE WorkItemType, PVOID WorkItemContext, BOOLEAN Top)
NDIS_STATUS FASTCALL	MiniDequeueWorkItem (PLOGICAL_ADAPTER Adapter, NDIS_WORK_ITEM_TYPE *WorkItemType, PVOID *WorkItemContext)
NDIS_STATUS	MiniDoRequest (PLOGICAL_ADAPTER Adapter, PNDIS_REQUEST NdisRequest)
VOID EXPORT	NdisMSetInformationComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS Status)
VOID EXPORT	NdisMQueryInformationComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS Status)
VOID NTAPI	MiniportWorker (IN PDEVICE_OBJECT DeviceObject, IN PVOID Context)
VOID NTAPI	MiniStatus (IN NDIS_HANDLE MiniportHandle, IN NDIS_STATUS GeneralStatus, IN PVOID StatusBuffer, IN UINT StatusBufferSize)
VOID NTAPI	MiniStatusComplete (IN NDIS_HANDLE MiniportAdapterHandle)
VOID EXPORT	NdisMCloseLog (IN NDIS_HANDLE LogHandle)
NDIS_STATUS EXPORT	NdisMCreateLog (IN NDIS_HANDLE MiniportAdapterHandle, IN UINT Size, OUT PNDIS_HANDLE LogHandle)
VOID EXPORT	NdisMDeregisterAdapterShutdownHandler (IN NDIS_HANDLE MiniportHandle)
VOID EXPORT	NdisMFlushLog (IN NDIS_HANDLE LogHandle)
VOID EXPORT	NdisMIndicateStatus (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS GeneralStatus, IN PVOID StatusBuffer, IN UINT StatusBufferSize)
VOID EXPORT	NdisMIndicateStatusComplete (IN NDIS_HANDLE MiniportAdapterHandle)
VOID EXPORT	NdisInitializeWrapper (OUT PNDIS_HANDLE NdisWrapperHandle, IN PVOID SystemSpecific1, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
VOID NTAPI	NdisIBugcheckCallback (IN PVOID Buffer, IN ULONG Length)
VOID EXPORT	NdisMRegisterAdapterShutdownHandler (IN NDIS_HANDLE MiniportHandle, IN PVOID ShutdownContext, IN ADAPTER_SHUTDOWN_HANDLER ShutdownHandler)
NDIS_STATUS	DoQueries (PLOGICAL_ADAPTER Adapter, NDIS_OID AddressOID)
NTSTATUS NTAPI	NdisIForwardIrpAndWaitCompletionRoutine (PDEVICE_OBJECT Fdo, PIRP Irp, PVOID Context)
NTSTATUS NTAPI	NdisIForwardIrpAndWait (PLOGICAL_ADAPTER Adapter, PIRP Irp)
NTSTATUS NTAPI	NdisICreateClose (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
NTSTATUS NTAPI	NdisIPnPStartDevice (IN PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NdisIPnPStopDevice (IN PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NdisIShutdown (IN PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NdisIDeviceIoControl (IN PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NdisIDispatchPnp (IN PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NdisIPower (_In_ PDEVICE_OBJECT DeviceObject, _In_ PIRP Irp)
NTSTATUS NTAPI	NdisIAddDevice (IN PDRIVER_OBJECT DriverObject, IN PDEVICE_OBJECT PhysicalDeviceObject)
NTSTATUS NTAPI	NdisGenericIrpHandler (IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
NDIS_STATUS EXPORT	NdisMRegisterMiniport (IN NDIS_HANDLE NdisWrapperHandle, IN PNDIS_MINIPORT_CHARACTERISTICS MiniportCharacteristics, IN UINT CharacteristicsLength)
VOID EXPORT	NdisMResetComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_STATUS Status, IN BOOLEAN AddressingReset)
VOID EXPORT	NdisMSendComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN PNDIS_PACKET Packet, IN NDIS_STATUS Status)
VOID EXPORT	NdisMSendResourcesAvailable (IN NDIS_HANDLE MiniportAdapterHandle)
VOID EXPORT	NdisMTransferDataComplete (IN NDIS_HANDLE MiniportAdapterHandle, IN PNDIS_PACKET Packet, IN NDIS_STATUS Status, IN UINT BytesTransferred)
VOID EXPORT	NdisMSetAttributes (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_HANDLE MiniportAdapterContext, IN BOOLEAN BusMaster, IN NDIS_INTERFACE_TYPE AdapterType)
VOID EXPORT	NdisMSetAttributesEx (IN NDIS_HANDLE MiniportAdapterHandle, IN NDIS_HANDLE MiniportAdapterContext, IN UINT CheckForHangTimeInSeconds OPTIONAL, IN ULONG AttributeFlags, IN NDIS_INTERFACE_TYPE AdapterType)
VOID EXPORT	NdisMSleep (IN ULONG MicrosecondsToSleep)
BOOLEAN EXPORT	NdisMSynchronizeWithInterrupt (IN PNDIS_MINIPORT_INTERRUPT Interrupt, IN PVOID SynchronizeFunction, IN PVOID SynchronizeContext)
NDIS_STATUS EXPORT	NdisMWriteLogData (IN NDIS_HANDLE LogHandle, IN PVOID LogBuffer, IN UINT LogBufferSize)
VOID EXPORT	NdisTerminateWrapper (IN NDIS_HANDLE NdisWrapperHandle, IN PVOID SystemSpecific)
NDIS_STATUS EXPORT	NdisMQueryAdapterInstanceName (OUT PNDIS_STRING AdapterInstanceName, IN NDIS_HANDLE MiniportAdapterHandle)
VOID EXPORT	NdisDeregisterAdapterShutdownHandler (IN NDIS_HANDLE NdisAdapterHandle)
VOID EXPORT	NdisRegisterAdapterShutdownHandler (IN NDIS_HANDLE NdisAdapterHandle, IN PVOID ShutdownContext, IN ADAPTER_SHUTDOWN_HANDLER ShutdownHandler)
VOID EXPORT	NdisMGetDeviceProperty (IN NDIS_HANDLE MiniportAdapterHandle, IN OUT PDEVICE_OBJECT *PhysicalDeviceObject OPTIONAL, IN OUT PDEVICE_OBJECT *FunctionalDeviceObject OPTIONAL, IN OUT PDEVICE_OBJECT *NextDeviceObject OPTIONAL, IN OUT PCM_RESOURCE_LIST *AllocatedResources OPTIONAL, IN OUT PCM_RESOURCE_LIST *AllocatedResourcesTranslated OPTIONAL)
VOID EXPORT	NdisMRegisterUnloadHandler (IN NDIS_HANDLE NdisWrapperHandle, IN PDRIVER_UNLOAD UnloadHandler)
NDIS_STATUS EXPORT	NdisMRegisterDevice (IN NDIS_HANDLE NdisWrapperHandle, IN PNDIS_STRING DeviceName, IN PNDIS_STRING SymbolicName, IN PDRIVER_DISPATCH MajorFunctions[], OUT PDEVICE_OBJECT *pDeviceObject, OUT NDIS_HANDLE *NdisDeviceHandle)
NDIS_STATUS EXPORT	NdisMDeregisterDevice (IN NDIS_HANDLE NdisDeviceHandle)
NDIS_STATUS EXPORT	NdisQueryAdapterInstanceName (OUT PNDIS_STRING AdapterInstanceName, IN NDIS_HANDLE NdisBindingHandle)
VOID EXPORT	NdisCompletePnPEvent (IN NDIS_STATUS Status, IN NDIS_HANDLE NdisBindingHandle, IN PNET_PNP_EVENT NetPnPEvent)
VOID EXPORT	NdisCancelSendPackets (IN NDIS_HANDLE NdisBindingHandle, IN PVOID CancelId)
NDIS_HANDLE EXPORT	NdisIMGetBindingContext (IN NDIS_HANDLE NdisBindingHandle)
NDIS_HANDLE EXPORT	NdisIMGetDeviceContext (IN NDIS_HANDLE MiniportAdapterHandle)

Variables
static NDIS_MEDIUM	MediaArray [MEDIA_ARRAY_SIZE]
LIST_ENTRY	MiniportListHead
KSPIN_LOCK	MiniportListLock
LIST_ENTRY	AdapterListHead
KSPIN_LOCK	AdapterListLock

Macro Definition Documentation

BREAK_ON_MINIPORT_INIT

#define BREAK_ON_MINIPORT_INIT   0

Definition at line 22 of file miniport.c.

MEDIA_ARRAY_SIZE

#define MEDIA_ARRAY_SIZE   15

Definition at line 31 of file miniport.c.

ROUTE_DATA_SIZE

#define ROUTE_DATA_SIZE   256

Definition at line 28 of file miniport.c.

Function Documentation

DoQueries()

NDIS_STATUS DoQueries	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_OID	AddressOID
	)

Definition at line 1746 of file miniport.c.

{
  ULONG BytesWritten;
  NDIS_STATUS NdisStatus;

  NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

  /* Get MAC options for adapter */
  NdisStatus = MiniQueryInformation(Adapter, OID_GEN_MAC_OPTIONS, sizeof(UINT),
                                    &Adapter->NdisMiniportBlock.MacOptions,
                                    &BytesWritten);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("OID_GEN_MAC_OPTIONS failed. NdisStatus (0x%X).\n", NdisStatus));
      return NdisStatus;
    }

  NDIS_DbgPrint(DEBUG_MINIPORT, ("MacOptions (0x%X).\n", Adapter->NdisMiniportBlock.MacOptions));

  /* Get current hardware address of adapter */
  NdisStatus = MiniQueryInformation(Adapter, AddressOID, Adapter->AddressLength,
                                    &Adapter->Address, &BytesWritten);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Address OID (0x%X) failed. NdisStatus (0x%X).\n", AddressOID, NdisStatus));
      return NdisStatus;
    }

#if DBG
    {
      /* 802.3 only */

      PUCHAR A = (PUCHAR)&Adapter->Address.Type.Medium802_3;

      NDIS_DbgPrint(MAX_TRACE, ("Adapter address is (%02X %02X %02X %02X %02X %02X).\n", A[0], A[1], A[2], A[3], A[4], A[5]));
    }
#endif /* DBG */

  /* Get maximum lookahead buffer size of adapter */
  NdisStatus = MiniQueryInformation(Adapter, OID_GEN_MAXIMUM_LOOKAHEAD, sizeof(ULONG),
                                    &Adapter->NdisMiniportBlock.MaximumLookahead, &BytesWritten);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("OID_GEN_MAXIMUM_LOOKAHEAD failed. NdisStatus (0x%X).\n", NdisStatus));
      return NdisStatus;
    }

  NDIS_DbgPrint(DEBUG_MINIPORT, ("MaxLookaheadLength (0x%X).\n", Adapter->NdisMiniportBlock.MaximumLookahead));

  /* Get current lookahead buffer size of adapter */
  NdisStatus = MiniQueryInformation(Adapter, OID_GEN_CURRENT_LOOKAHEAD, sizeof(ULONG),
                                    &Adapter->NdisMiniportBlock.CurrentLookahead, &BytesWritten);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("OID_GEN_CURRENT_LOOKAHEAD failed. NdisStatus (0x%X).\n", NdisStatus));
      return NdisStatus;
    }

  NdisStatus = MiniQueryInformation(Adapter, OID_GEN_MAXIMUM_SEND_PACKETS, sizeof(ULONG),
                                    &Adapter->NdisMiniportBlock.MaxSendPackets, &BytesWritten);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("OID_GEN_MAXIMUM_SEND_PACKETS failed. NdisStatus (0x%X).\n", NdisStatus));

      /* Set it to 1 if it fails because some drivers don't support this (?)*/
      Adapter->NdisMiniportBlock.MaxSendPackets = 1;
    }

  NDIS_DbgPrint(DEBUG_MINIPORT, ("CurLookaheadLength (0x%X).\n", Adapter->NdisMiniportBlock.CurrentLookahead));

  return STATUS_SUCCESS;
}

Referenced by NdisIPnPStartDevice().

MiniAdapterHasAddress()

BOOLEAN MiniAdapterHasAddress	(	PLOGICAL_ADAPTER	Adapter,
		PNDIS_PACKET	Packet
	)

Definition at line 616 of file miniport.c.

{
    UINT Length;
    PUCHAR PacketAddress;
    PUCHAR AdapterAddress;
    PNDIS_BUFFER NdisBuffer;
    UINT BufferLength;

    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

#if DBG
    if(!Adapter)
    {
        NDIS_DbgPrint(MIN_TRACE, ("Adapter object was null\n"));
        return FALSE;
    }

    if(!Packet)
    {
        NDIS_DbgPrint(MIN_TRACE, ("Packet was null\n"));
        return FALSE;
    }
#endif

    NdisQueryPacket(Packet, NULL, NULL, &NdisBuffer, NULL);

    if (!NdisBuffer)
    {
        NDIS_DbgPrint(MIN_TRACE, ("Packet contains no buffers.\n"));
        return FALSE;
    }

    NdisQueryBuffer(NdisBuffer, (PVOID)&PacketAddress, &BufferLength);

    /* FIXME: Should handle fragmented packets */

    switch (Adapter->NdisMiniportBlock.MediaType)
    {
        case NdisMedium802_3:
            Length = ETH_LENGTH_OF_ADDRESS;
            /* Destination address is the first field */
            break;

        default:
            NDIS_DbgPrint(MIN_TRACE, ("Adapter has unsupported media type (0x%X).\n", Adapter->NdisMiniportBlock.MediaType));
            return FALSE;
    }

    if (BufferLength < Length)
    {
        NDIS_DbgPrint(MIN_TRACE, ("Buffer is too small.\n"));
        return FALSE;
    }

    AdapterAddress = (PUCHAR)&Adapter->Address;
    NDIS_DbgPrint(MAX_TRACE, ("packet address: %x:%x:%x:%x:%x:%x adapter address: %x:%x:%x:%x:%x:%x\n",
                              *(PacketAddress), *(PacketAddress+1), *(PacketAddress+2), *(PacketAddress+3), *(PacketAddress+4), *(PacketAddress+5),
                              *(AdapterAddress), *(AdapterAddress+1), *(AdapterAddress+2), *(AdapterAddress+3), *(AdapterAddress+4), *(AdapterAddress+5)));

    return (RtlCompareMemory(PacketAddress, AdapterAddress, Length) == Length);
}

Referenced by ProSend().

MiniCheckForHang()

BOOLEAN MiniCheckForHang

(

PLOGICAL_ADAPTER

Adapter

)

Definition at line 865 of file miniport.c.

{
   BOOLEAN Ret = FALSE;
   KIRQL OldIrql;

   KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
   if (Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CheckForHangHandler)
       Ret = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CheckForHangHandler)(
         Adapter->NdisMiniportBlock.MiniportAdapterContext);
   KeLowerIrql(OldIrql);

   return Ret;
}

Referenced by MiniportHangDpc().

MiniDequeueWorkItem()

NDIS_STATUS FASTCALL MiniDequeueWorkItem	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_WORK_ITEM_TYPE *	WorkItemType,
		PVOID *	WorkItemContext
	)

Definition at line 1050 of file miniport.c.

{
    PNDIS_MINIPORT_WORK_ITEM MiniportWorkItem;
    PNDIS_PACKET Packet;

    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

    MiniportWorkItem = Adapter->WorkQueueHead;

    if ((Packet = Adapter->NdisMiniportBlock.FirstPendingPacket))
    {
        Adapter->NdisMiniportBlock.FirstPendingPacket = NULL;

        *WorkItemType = NdisWorkItemSend;
        *WorkItemContext = Packet;

        return NDIS_STATUS_SUCCESS;
    }
    else if (MiniportWorkItem)
    {
        /* safe due to adapter lock held */
        Adapter->WorkQueueHead = (PNDIS_MINIPORT_WORK_ITEM)MiniportWorkItem->Link.Next;

        if (MiniportWorkItem == Adapter->WorkQueueTail)
            Adapter->WorkQueueTail = NULL;

        *WorkItemType    = MiniportWorkItem->WorkItemType;
        *WorkItemContext = MiniportWorkItem->WorkItemContext;

        ExFreePool(MiniportWorkItem);

        return NDIS_STATUS_SUCCESS;
    }
    else
    {
        NDIS_DbgPrint(MIN_TRACE, ("No work item to dequeue\n"));

        return NDIS_STATUS_FAILURE;
    }
}

Referenced by MiniportWorker().

MiniDoAddressingReset()

VOID MiniDoAddressingReset

(

PLOGICAL_ADAPTER

Adapter

)

Definition at line 888 of file miniport.c.

{
   ULONG BytesRead;

   MiniSetInformation(Adapter,
                      OID_GEN_CURRENT_LOOKAHEAD,
                      sizeof(ULONG),
                      &Adapter->NdisMiniportBlock.CurrentLookahead,
                      &BytesRead);

   /* FIXME: Set more stuff */
}

Referenced by MiniReset(), and MiniResetComplete().

MiniDoRequest()

NDIS_STATUS MiniDoRequest	(	PLOGICAL_ADAPTER	Adapter,
		PNDIS_REQUEST	NdisRequest
	)

Definition at line 1107 of file miniport.c.

{
    NDIS_STATUS Status;
    KIRQL OldIrql;
    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

    KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);

    KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
    Adapter->NdisMiniportBlock.PendingRequest = NdisRequest;
    KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);

    if (!Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CoRequestHandler)
    {
        switch (NdisRequest->RequestType)
        {
        case NdisRequestQueryInformation:
            Status = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.QueryInformationHandler)(
                Adapter->NdisMiniportBlock.MiniportAdapterContext,
                NdisRequest->DATA.QUERY_INFORMATION.Oid,
                NdisRequest->DATA.QUERY_INFORMATION.InformationBuffer,
                NdisRequest->DATA.QUERY_INFORMATION.InformationBufferLength,
                (PULONG)&NdisRequest->DATA.QUERY_INFORMATION.BytesWritten,
                (PULONG)&NdisRequest->DATA.QUERY_INFORMATION.BytesNeeded);
            break;

        case NdisRequestSetInformation:
            Status = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SetInformationHandler)(
                Adapter->NdisMiniportBlock.MiniportAdapterContext,
                NdisRequest->DATA.SET_INFORMATION.Oid,
                NdisRequest->DATA.SET_INFORMATION.InformationBuffer,
                NdisRequest->DATA.SET_INFORMATION.InformationBufferLength,
                (PULONG)&NdisRequest->DATA.SET_INFORMATION.BytesRead,
                (PULONG)&NdisRequest->DATA.SET_INFORMATION.BytesNeeded);
            break;

        default:
            NDIS_DbgPrint(MIN_TRACE, ("Bad request type\n"));
            Status = NDIS_STATUS_FAILURE;
        }
    }
    else
    {
        Status = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CoRequestHandler)(
            Adapter->NdisMiniportBlock.MiniportAdapterContext,
            NULL, /* FIXME */
            NdisRequest);
    }

    if (Status != NDIS_STATUS_PENDING) {
        KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
        Adapter->NdisMiniportBlock.PendingRequest = NULL;
        KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);
    }

    KeLowerIrql(OldIrql);

    if (Status != NDIS_STATUS_PENDING) {
        MiniWorkItemComplete(Adapter, NdisWorkItemRequest);
    }

    return Status;
}

Referenced by MiniportWorker(), MiniQueryInformation(), MiniSetInformation(), and ProRequest().

MiniGetFirstWorkItem()

PNDIS_MINIPORT_WORK_ITEM MiniGetFirstWorkItem	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_WORK_ITEM_TYPE	Type
	)

Definition at line 124 of file miniport.c.

{
    PNDIS_MINIPORT_WORK_ITEM CurrentEntry = Adapter->WorkQueueHead;

    while (CurrentEntry)
    {
      if (CurrentEntry->WorkItemType == Type || Type == NdisMaxWorkItems)
          return CurrentEntry;

      CurrentEntry = (PNDIS_MINIPORT_WORK_ITEM)CurrentEntry->Link.Next;
    }

    return NULL;
}

Referenced by MiniIsBusy().

MiniIndicateData()

VOID MiniIndicateData	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_HANDLE	MacReceiveContext,
		PVOID	HeaderBuffer,
		UINT	HeaderBufferSize,
		PVOID	LookaheadBuffer,
		UINT	LookaheadBufferSize,
		UINT	PacketSize
	)

Definition at line 175 of file miniport.c.

{
  KIRQL OldIrql;
  PLIST_ENTRY CurrentEntry;
  PADAPTER_BINDING AdapterBinding;

  NDIS_DbgPrint(DEBUG_MINIPORT, ("Called. Adapter (0x%X)  HeaderBuffer (0x%X)  "
      "HeaderBufferSize (0x%X)  LookaheadBuffer (0x%X)  LookaheadBufferSize (0x%X).\n",
      Adapter, HeaderBuffer, HeaderBufferSize, LookaheadBuffer, LookaheadBufferSize));

#if DBG
  MiniDisplayPacket2(HeaderBuffer, HeaderBufferSize, LookaheadBuffer, LookaheadBufferSize);
#endif

  NDIS_DbgPrint(MAX_TRACE, ("acquiring miniport block lock\n"));
  KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);
    {
      CurrentEntry = Adapter->ProtocolListHead.Flink;
      NDIS_DbgPrint(DEBUG_MINIPORT, ("CurrentEntry = %x\n", CurrentEntry));

      if (CurrentEntry == &Adapter->ProtocolListHead)
        {
          NDIS_DbgPrint(MIN_TRACE, ("WARNING: No upper protocol layer.\n"));
        }

      while (CurrentEntry != &Adapter->ProtocolListHead)
        {
          AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);
      NDIS_DbgPrint(DEBUG_MINIPORT, ("AdapterBinding = %x\n", AdapterBinding));

      NDIS_DbgPrint
          (MID_TRACE,
           ("XXX (%x) %x %x %x %x %x %x %x XXX\n",
        *AdapterBinding->ProtocolBinding->Chars.ReceiveHandler,
        AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
        MacReceiveContext,
        HeaderBuffer,
        HeaderBufferSize,
        LookaheadBuffer,
        LookaheadBufferSize,
        PacketSize));

          /* call the receive handler */
          (*AdapterBinding->ProtocolBinding->Chars.ReceiveHandler)(
              AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
              MacReceiveContext,
              HeaderBuffer,
              HeaderBufferSize,
              LookaheadBuffer,
              LookaheadBufferSize,
              PacketSize);

          CurrentEntry = CurrentEntry->Flink;
        }
    }
  KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);

  NDIS_DbgPrint(MAX_TRACE, ("Leaving.\n"));
}

Referenced by EthFilterDprIndicateReceive(), and ProIndicatePacket().

MiniIndicateReceivePacket()

VOID NTAPI MiniIndicateReceivePacket	(	IN NDIS_HANDLE	MiniportAdapterHandle,
		IN PPNDIS_PACKET	PacketArray,
		IN UINT	NumberOfPackets
	)

Definition at line 293 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;
    PLIST_ENTRY CurrentEntry;
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;
    UINT i;

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

    CurrentEntry = Adapter->ProtocolListHead.Flink;

    while (CurrentEntry != &Adapter->ProtocolListHead)
    {
        AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);

        for (i = 0; i < NumberOfPackets; i++)
        {
            /* Store the indicating miniport in the packet */
            PacketArray[i]->Reserved[1] = (ULONG_PTR)Adapter;

            if (AdapterBinding->ProtocolBinding->Chars.ReceivePacketHandler &&
                NDIS_GET_PACKET_STATUS(PacketArray[i]) != NDIS_STATUS_RESOURCES)
            {
                NDIS_DbgPrint(MID_TRACE, ("Indicating packet to protocol's ReceivePacket handler\n"));
                PacketArray[i]->WrapperReserved[0] += (*AdapterBinding->ProtocolBinding->Chars.ReceivePacketHandler)(
                                                       AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
                                                       PacketArray[i]);
                NDIS_DbgPrint(MID_TRACE, ("Protocol is holding %d references to the packet\n", PacketArray[i]->WrapperReserved[0]));
            }
            else
            {
                UINT FirstBufferLength, TotalBufferLength, LookAheadSize, HeaderSize;
                PNDIS_BUFFER NdisBuffer;
                PVOID NdisBufferVA, LookAheadBuffer;

                NdisGetFirstBufferFromPacket(PacketArray[i],
                                             &NdisBuffer,
                                             &NdisBufferVA,
                                             &FirstBufferLength,
                                             &TotalBufferLength);

                HeaderSize = NDIS_GET_PACKET_HEADER_SIZE(PacketArray[i]);

                LookAheadSize = TotalBufferLength - HeaderSize;

                LookAheadBuffer = ExAllocatePool(NonPagedPool, LookAheadSize);
                if (!LookAheadBuffer)
                {
                    NDIS_DbgPrint(MIN_TRACE, ("Failed to allocate lookahead buffer!\n"));
                    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
                    return;
                }

                CopyBufferChainToBuffer(LookAheadBuffer,
                                        NdisBuffer,
                                        HeaderSize,
                                        LookAheadSize);

                NDIS_DbgPrint(MID_TRACE, ("Indicating packet to protocol's legacy Receive handler\n"));
                (*AdapterBinding->ProtocolBinding->Chars.ReceiveHandler)(
                     AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
                     AdapterBinding->NdisOpenBlock.MacHandle,
                     NdisBufferVA,
                     HeaderSize,
                     LookAheadBuffer,
                     LookAheadSize,
                     TotalBufferLength - HeaderSize);

                ExFreePool(LookAheadBuffer);
            }
        }

        CurrentEntry = CurrentEntry->Flink;
    }

    /* Loop the packet array to get everything
     * set up for return the packets to the miniport */
    for (i = 0; i < NumberOfPackets; i++)
    {
        /* First, check the initial packet status */
        if (NDIS_GET_PACKET_STATUS(PacketArray[i]) == NDIS_STATUS_RESOURCES)
        {
            /* The miniport driver gets it back immediately so nothing to do here */
            NDIS_DbgPrint(MID_TRACE, ("Miniport needs the packet back immediately\n"));
            continue;
        }

        /* Different behavior depending on whether it's serialized or not */
        if (Adapter->NdisMiniportBlock.Flags & NDIS_ATTRIBUTE_DESERIALIZE)
        {
            /* We need to check the reference count */
            if (PacketArray[i]->WrapperReserved[0] == 0)
            {
                /* NOTE: Unlike serialized miniports, this is REQUIRED to be called for each
                 * packet received that can be reused immediately, it is not implied! */
                Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.ReturnPacketHandler(
                      Adapter->NdisMiniportBlock.MiniportAdapterContext,
                      PacketArray[i]);
                NDIS_DbgPrint(MID_TRACE, ("Packet has been returned to miniport (Deserialized)\n"));
            }
            else
            {
                /* Packet will be returned by the protocol's call to NdisReturnPackets */
                NDIS_DbgPrint(MID_TRACE, ("Packet will be returned to miniport later (Deserialized)\n"));
            }
        }
        else
        {
            /* Check the reference count */
            if (PacketArray[i]->WrapperReserved[0] == 0)
            {
                /* NDIS_STATUS_SUCCESS means the miniport can have the packet back immediately */
                NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_SUCCESS);

                NDIS_DbgPrint(MID_TRACE, ("Packet has been returned to miniport (Serialized)\n"));
            }
            else
            {
                /* NDIS_STATUS_PENDING means the miniport needs to wait for MiniportReturnPacket */
                NDIS_SET_PACKET_STATUS(PacketArray[i], NDIS_STATUS_PENDING);

                NDIS_DbgPrint(MID_TRACE, ("Packet will be returned to miniport later (Serialized)\n"));
            }
        }
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
}

Referenced by NdisIPnPStartDevice().

MiniIsBusy()

BOOLEAN MiniIsBusy	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_WORK_ITEM_TYPE	Type
	)

Definition at line 142 of file miniport.c.

{
    BOOLEAN Busy = FALSE;
    KIRQL OldIrql;

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

    if (MiniGetFirstWorkItem(Adapter, Type))
    {
        Busy = TRUE;
    }
    else if (Type == NdisWorkItemRequest && Adapter->NdisMiniportBlock.PendingRequest)
    {
       Busy = TRUE;
    }
    else if (Type == NdisWorkItemSend && Adapter->NdisMiniportBlock.FirstPendingPacket)
    {
       Busy = TRUE;
    }
    else if (Type == NdisWorkItemResetRequested &&
             Adapter->NdisMiniportBlock.ResetStatus == NDIS_STATUS_PENDING)
    {
       Busy = TRUE;
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);

    return Busy;
}

Referenced by MiniReset(), MiniWorkItemComplete(), ProRequest(), and proSendPacketToMiniport().

MiniLocateDevice()

PLOGICAL_ADAPTER MiniLocateDevice

(

PNDIS_STRING

AdapterName

)

Definition at line 690 of file miniport.c.

{
    KIRQL OldIrql;
    PLIST_ENTRY CurrentEntry;
    PLOGICAL_ADAPTER Adapter = 0;

    ASSERT(AdapterName);

    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

    if(IsListEmpty(&AdapterListHead))
    {
        NDIS_DbgPrint(MIN_TRACE, ("No registered miniports for protocol to bind to\n"));
        return NULL;
    }

    NDIS_DbgPrint(DEBUG_MINIPORT, ("AdapterName = %wZ\n", AdapterName));

    KeAcquireSpinLock(&AdapterListLock, &OldIrql);
    {
        CurrentEntry = AdapterListHead.Flink;

        while (CurrentEntry != &AdapterListHead)
        {
            Adapter = CONTAINING_RECORD(CurrentEntry, LOGICAL_ADAPTER, ListEntry);

            ASSERT(Adapter);

            NDIS_DbgPrint(DEBUG_MINIPORT, ("Examining adapter 0x%lx\n", Adapter));

            /* We're technically not allowed to call this above PASSIVE_LEVEL, but it doesn't break
             * right now and I'd rather use a working API than reimplement it here */
            if (RtlCompareUnicodeString(AdapterName, &Adapter->NdisMiniportBlock.MiniportName, TRUE) == 0)
            {
                break;
            }

            Adapter = NULL;
            CurrentEntry = CurrentEntry->Flink;
        }
    }
    KeReleaseSpinLock(&AdapterListLock, OldIrql);

    if(Adapter)
    {
        NDIS_DbgPrint(DEBUG_MINIPORT, ("Leaving. Adapter found at 0x%x\n", Adapter));
    }
    else
    {
        NDIS_DbgPrint(MIN_TRACE, ("Leaving (adapter not found for %wZ).\n", AdapterName));
    }

    return Adapter;
}

Referenced by ndisBindMiniportsToProtocol(), and NdisOpenAdapter().

MiniportHangDpc()

VOID NTAPI MiniportHangDpc	(	PKDPC	Dpc,
		PVOID	DeferredContext,
		PVOID	SystemArgument1,
		PVOID	SystemArgument2
	)

Definition at line 949 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = DeferredContext;

  if (MiniCheckForHang(Adapter)) {
      NDIS_DbgPrint(MIN_TRACE, ("Miniport detected adapter hang\n"));
      MiniReset(Adapter);
  }
}

Referenced by NdisIAddDevice().

MiniportWorker()

VOID NTAPI MiniportWorker	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PVOID	Context
	)

Definition at line 1223 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = DeviceObject->DeviceExtension;
  KIRQL OldIrql, RaiseOldIrql;
  NDIS_STATUS NdisStatus;
  PVOID WorkItemContext;
  NDIS_WORK_ITEM_TYPE WorkItemType;
  BOOLEAN AddressingReset;

  IoFreeWorkItem((PIO_WORKITEM)Context);

  KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

  NdisStatus =
      MiniDequeueWorkItem
      (Adapter, &WorkItemType, &WorkItemContext);

  KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);

  if (NdisStatus == NDIS_STATUS_SUCCESS)
    {
      switch (WorkItemType)
        {
          case NdisWorkItemSend:
            /*
             * called by ProSend when protocols want to send packets to the miniport
             */

            if(Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SendPacketsHandler)
              {
                if(Adapter->NdisMiniportBlock.Flags & NDIS_ATTRIBUTE_DESERIALIZE)
                {
                    NDIS_DbgPrint(MAX_TRACE, ("Calling miniport's SendPackets handler\n"));
                    (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SendPacketsHandler)(
                     Adapter->NdisMiniportBlock.MiniportAdapterContext, (PPNDIS_PACKET)&WorkItemContext, 1);
                    NdisStatus = NDIS_STATUS_PENDING;
                }
                else
                {
                    /* SendPackets is called at DISPATCH_LEVEL for all serialized miniports */
                    KeRaiseIrql(DISPATCH_LEVEL, &RaiseOldIrql);
                    {
                      NDIS_DbgPrint(MAX_TRACE, ("Calling miniport's SendPackets handler\n"));
                      (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SendPacketsHandler)(
                       Adapter->NdisMiniportBlock.MiniportAdapterContext, (PPNDIS_PACKET)&WorkItemContext, 1);
                    }
                    KeLowerIrql(RaiseOldIrql);

                    NdisStatus = NDIS_GET_PACKET_STATUS((PNDIS_PACKET)WorkItemContext);
                    if( NdisStatus == NDIS_STATUS_RESOURCES ) {
                        MiniQueueWorkItem(Adapter, WorkItemType, WorkItemContext, TRUE);
                        break;
                    }
                }
              }
            else
              {
                if(Adapter->NdisMiniportBlock.Flags & NDIS_ATTRIBUTE_DESERIALIZE)
                {
                  NDIS_DbgPrint(MAX_TRACE, ("Calling miniport's Send handler\n"));
                  NdisStatus = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SendHandler)(
                                Adapter->NdisMiniportBlock.MiniportAdapterContext, (PNDIS_PACKET)WorkItemContext,
                                ((PNDIS_PACKET)WorkItemContext)->Private.Flags);
                  NDIS_DbgPrint(MAX_TRACE, ("back from miniport's send handler\n"));
                }
                else
                {
                  /* Send is called at DISPATCH_LEVEL for all serialized miniports */
                  KeRaiseIrql(DISPATCH_LEVEL, &RaiseOldIrql);
                  NDIS_DbgPrint(MAX_TRACE, ("Calling miniport's Send handler\n"));
                  NdisStatus = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.SendHandler)(
                                Adapter->NdisMiniportBlock.MiniportAdapterContext, (PNDIS_PACKET)WorkItemContext,
                                ((PNDIS_PACKET)WorkItemContext)->Private.Flags);
                  NDIS_DbgPrint(MAX_TRACE, ("back from miniport's send handler\n"));
                  KeLowerIrql(RaiseOldIrql);
                  if( NdisStatus == NDIS_STATUS_RESOURCES ) {
                      MiniQueueWorkItem(Adapter, WorkItemType, WorkItemContext, TRUE);
                      break;
                  }
                }
              }

        if( NdisStatus != NDIS_STATUS_PENDING ) {
        MiniSendComplete
            ( Adapter, (PNDIS_PACKET)WorkItemContext, NdisStatus );
        }
            break;

          case NdisWorkItemSendLoopback:
            /*
             * called by ProSend when protocols want to send loopback packets
             */
            /* XXX atm ProIndicatePacket sends a packet up via the loopback adapter only */
            NdisStatus = ProIndicatePacket(Adapter, (PNDIS_PACKET)WorkItemContext);

            if( NdisStatus != NDIS_STATUS_PENDING )
                MiniSendComplete((NDIS_HANDLE)Adapter, (PNDIS_PACKET)WorkItemContext, NdisStatus);
            break;

          case NdisWorkItemReturnPackets:
            break;

          case NdisWorkItemResetRequested:
            NdisMIndicateStatus(Adapter, NDIS_STATUS_RESET_START, NULL, 0);
            NdisMIndicateStatusComplete(Adapter);

            KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
            NdisStatus = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.ResetHandler)(
                          &AddressingReset,
                          Adapter->NdisMiniportBlock.MiniportAdapterContext);

            KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
            Adapter->NdisMiniportBlock.ResetStatus = NdisStatus;
            KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);

            KeLowerIrql(OldIrql);

            if (NdisStatus != NDIS_STATUS_PENDING)
               MiniResetComplete(Adapter, NdisStatus, AddressingReset);
            break;

          case NdisWorkItemResetInProgress:
            break;

          case NdisWorkItemMiniportCallback:
            break;

          case NdisWorkItemRequest:
            NdisStatus = MiniDoRequest(Adapter, (PNDIS_REQUEST)WorkItemContext);

            if (NdisStatus == NDIS_STATUS_PENDING)
              break;

            Adapter->NdisMiniportBlock.PendingRequest = (PNDIS_REQUEST)WorkItemContext;
            switch (((PNDIS_REQUEST)WorkItemContext)->RequestType)
              {
                case NdisRequestQueryInformation:
                  NdisMQueryInformationComplete((NDIS_HANDLE)Adapter, NdisStatus);
                  break;

                case NdisRequestSetInformation:
                  NdisMSetInformationComplete((NDIS_HANDLE)Adapter, NdisStatus);
                  break;

                default:
                  NDIS_DbgPrint(MIN_TRACE, ("Unknown NDIS request type.\n"));
                  break;
              }
            Adapter->NdisMiniportBlock.PendingRequest = NULL;
            break;

          default:
            NDIS_DbgPrint(MIN_TRACE, ("Unknown NDIS work item type (%d).\n", WorkItemType));
            break;
        }
    }
}

Referenced by MiniWorkItemComplete().

MiniQueryInformation()

NDIS_STATUS MiniQueryInformation	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_OID	Oid,
		ULONG	Size,
		PVOID	Buffer,
		PULONG	BytesWritten
	)

Definition at line 805 of file miniport.c.

{
  NDIS_STATUS NdisStatus;
  PNDIS_REQUEST NdisRequest;
  KEVENT Event;
  PNDIS_REQUEST_MAC_BLOCK MacBlock;

  NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

  NdisRequest = ExAllocatePool(NonPagedPool, sizeof(NDIS_REQUEST));
  if (!NdisRequest) {
      NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources\n"));
      return NDIS_STATUS_RESOURCES;
  }

  RtlZeroMemory(NdisRequest, sizeof(NDIS_REQUEST));

  NdisRequest->RequestType = NdisRequestQueryInformation;
  NdisRequest->DATA.QUERY_INFORMATION.Oid = Oid;
  NdisRequest->DATA.QUERY_INFORMATION.InformationBuffer = Buffer;
  NdisRequest->DATA.QUERY_INFORMATION.InformationBufferLength = Size;

  /* We'll need to give the completion routine some way of letting us know
   * when it's finished. We'll stash a pointer to an event in the MacBlock */
  KeInitializeEvent(&Event, NotificationEvent, FALSE);
  MacBlock = (PNDIS_REQUEST_MAC_BLOCK)NdisRequest->MacReserved;
  MacBlock->Unknown1 = &Event;

  NdisStatus = MiniDoRequest(Adapter, NdisRequest);

  if (NdisStatus == NDIS_STATUS_PENDING)
  {
      KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
      NdisStatus = PtrToUlong(MacBlock->Unknown3);
  }

  *BytesWritten = NdisRequest->DATA.QUERY_INFORMATION.BytesWritten;

  ExFreePool(NdisRequest);

  return NdisStatus;
}

Referenced by DoQueries(), NdisIDeviceIoControl(), and NdisIPnPStartDevice().

MiniQueueWorkItem()

VOID FASTCALL MiniQueueWorkItem	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_WORK_ITEM_TYPE	WorkItemType,
		PVOID	WorkItemContext,
		BOOLEAN	Top
	)

Definition at line 982 of file miniport.c.

{
    PNDIS_MINIPORT_WORK_ITEM MiniportWorkItem;
    KIRQL OldIrql;

    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

    ASSERT(Adapter);

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);
    if (Top)
    {
        if (WorkItemType == NdisWorkItemSend)
        {
            NDIS_DbgPrint(MIN_TRACE, ("Requeuing failed packet (%x).\n", WorkItemContext));
            Adapter->NdisMiniportBlock.FirstPendingPacket = WorkItemContext;
        }
        else
        {
            //This should never happen
            ASSERT(FALSE);
        }
    }
    else
    {
        MiniportWorkItem = ExAllocatePool(NonPagedPool, sizeof(NDIS_MINIPORT_WORK_ITEM));
        if (!MiniportWorkItem)
        {
            KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
            NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources.\n"));
            return;
        }

        MiniportWorkItem->WorkItemType    = WorkItemType;
        MiniportWorkItem->WorkItemContext = WorkItemContext;

        /* safe due to adapter lock held */
        MiniportWorkItem->Link.Next = NULL;
        if (!Adapter->WorkQueueHead)
        {
            Adapter->WorkQueueHead = MiniportWorkItem;
            Adapter->WorkQueueTail = MiniportWorkItem;
        }
        else
        {
            Adapter->WorkQueueTail->Link.Next = (PSINGLE_LIST_ENTRY)MiniportWorkItem;
            Adapter->WorkQueueTail = MiniportWorkItem;
        }
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
}

Referenced by MiniportWorker(), MiniReset(), ProRequest(), ProSend(), and proSendPacketToMiniport().

MiniRequestComplete()

VOID NTAPI MiniRequestComplete	(	IN NDIS_HANDLE	MiniportAdapterHandle,
		IN NDIS_STATUS	Status
	)

Definition at line 481 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = (PLOGICAL_ADAPTER)MiniportAdapterHandle;
    PNDIS_REQUEST Request;
    PNDIS_REQUEST_MAC_BLOCK MacBlock;
    KIRQL OldIrql;

    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

    KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);

    KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
    Request = Adapter->NdisMiniportBlock.PendingRequest;
    KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);

    MacBlock = (PNDIS_REQUEST_MAC_BLOCK)Request->MacReserved;

    /* We may or may not be doing this request on behalf of an adapter binding */
    if (MacBlock->Binding != NULL)
    {
        /* We are, so invoke its request complete handler */
        if (MacBlock->Binding->RequestCompleteHandler != NULL)
        {
            (*MacBlock->Binding->RequestCompleteHandler)(
                MacBlock->Binding->ProtocolBindingContext,
                Request,
                Status);
        }
    }
    else
    {
        /* We are doing this internally, so we'll signal this event we've stashed in the MacBlock */
        ASSERT(MacBlock->Unknown1 != NULL);
        ASSERT(MacBlock->Unknown3 == NULL);
        MacBlock->Unknown3 = UlongToPtr(Status);
        KeSetEvent(MacBlock->Unknown1, IO_NO_INCREMENT, FALSE);
    }

    KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
    Adapter->NdisMiniportBlock.PendingRequest = NULL;
    KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);
    KeLowerIrql(OldIrql);

    MiniWorkItemComplete(Adapter, NdisWorkItemRequest);
}

Referenced by NdisIPnPStartDevice().

MiniReset()

NDIS_STATUS MiniReset

(

PLOGICAL_ADAPTER

Adapter

)

Definition at line 902 of file miniport.c.

{
   NDIS_STATUS Status;
   KIRQL OldIrql;
   BOOLEAN AddressingReset = TRUE;

   if (MiniIsBusy(Adapter, NdisWorkItemResetRequested)) {
       MiniQueueWorkItem(Adapter, NdisWorkItemResetRequested, NULL, FALSE);
       return NDIS_STATUS_PENDING;
   }

   NdisMIndicateStatus(Adapter, NDIS_STATUS_RESET_START, NULL, 0);
   NdisMIndicateStatusComplete(Adapter);

   KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
   Status = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.ResetHandler)(
            &AddressingReset,
            Adapter->NdisMiniportBlock.MiniportAdapterContext);

   KeAcquireSpinLockAtDpcLevel(&Adapter->NdisMiniportBlock.Lock);
   Adapter->NdisMiniportBlock.ResetStatus = Status;
   KeReleaseSpinLockFromDpcLevel(&Adapter->NdisMiniportBlock.Lock);

   KeLowerIrql(OldIrql);

   if (Status != NDIS_STATUS_PENDING) {
       if (AddressingReset)
           MiniDoAddressingReset(Adapter);

       NdisMIndicateStatus(Adapter, NDIS_STATUS_RESET_END, NULL, 0);
       NdisMIndicateStatusComplete(Adapter);

       MiniWorkItemComplete(Adapter, NdisWorkItemResetRequested);
   }

   return Status;
}

Referenced by MiniportHangDpc(), and ProReset().

MiniResetComplete()

VOID NTAPI MiniResetComplete	(	IN NDIS_HANDLE	MiniportAdapterHandle,
		IN NDIS_STATUS	Status,
		IN BOOLEAN	AddressingReset
	)

Definition at line 435 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;
    PLIST_ENTRY CurrentEntry;
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;

    if (AddressingReset)
        MiniDoAddressingReset(Adapter);

    NdisMIndicateStatus(Adapter, NDIS_STATUS_RESET_END, NULL, 0);
    NdisMIndicateStatusComplete(Adapter);

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

    if (Adapter->NdisMiniportBlock.ResetStatus != NDIS_STATUS_PENDING)
    {
        KeBugCheckEx(BUGCODE_ID_DRIVER,
                     (ULONG_PTR)MiniportAdapterHandle,
                     (ULONG_PTR)Status,
                     (ULONG_PTR)AddressingReset,
                     0);
    }

    Adapter->NdisMiniportBlock.ResetStatus = Status;

    CurrentEntry = Adapter->ProtocolListHead.Flink;

    while (CurrentEntry != &Adapter->ProtocolListHead)
    {
        AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);

        (*AdapterBinding->ProtocolBinding->Chars.ResetCompleteHandler)(
               AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
               Status);

        CurrentEntry = CurrentEntry->Flink;
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
}

Referenced by MiniportWorker(), NdisIPnPStartDevice(), and NdisMResetComplete().

MiniSendComplete()

VOID NTAPI MiniSendComplete	(	IN NDIS_HANDLE	MiniportAdapterHandle,
		IN PNDIS_PACKET	Packet,
		IN NDIS_STATUS	Status
	)

Definition at line 530 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;
    PSCATTER_GATHER_LIST SGList;

    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

    AdapterBinding = (PADAPTER_BINDING)Packet->Reserved[1];

    KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);

    if (Adapter->NdisMiniportBlock.ScatterGatherListSize != 0)
    {
        NDIS_DbgPrint(MAX_TRACE, ("Freeing Scatter/Gather list\n"));

        SGList = NDIS_PER_PACKET_INFO_FROM_PACKET(Packet,
                                                  ScatterGatherListPacketInfo);

        Adapter->NdisMiniportBlock.SystemAdapterObject->
            DmaOperations->PutScatterGatherList(
                           Adapter->NdisMiniportBlock.SystemAdapterObject,
                           SGList,
                           TRUE);

        NDIS_PER_PACKET_INFO_FROM_PACKET(Packet,
                                         ScatterGatherListPacketInfo) = NULL;
    }

    (*AdapterBinding->ProtocolBinding->Chars.SendCompleteHandler)(
        AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
        Packet,
        Status);

    KeLowerIrql(OldIrql);

    MiniWorkItemComplete(Adapter, NdisWorkItemSend);
}

Referenced by MiniportWorker(), NdisIPnPStartDevice(), NdisMSendComplete(), ProSendPackets(), and ScatterGatherSendPacket().

MiniSendResourcesAvailable()

VOID NTAPI MiniSendResourcesAvailable

(

IN NDIS_HANDLE

MiniportAdapterHandle

)

Definition at line 583 of file miniport.c.

{
    /* Run the work if anything is waiting */
    MiniWorkItemComplete((PLOGICAL_ADAPTER)MiniportAdapterHandle, NdisWorkItemSend);
}

Referenced by NdisIPnPStartDevice(), and NdisMSendResourcesAvailable().

MiniSetInformation()

NDIS_STATUS MiniSetInformation	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_OID	Oid,
		ULONG	Size,
		PVOID	Buffer,
		PULONG	BytesRead
	)

Definition at line 756 of file miniport.c.

{
  NDIS_STATUS NdisStatus;
  PNDIS_REQUEST NdisRequest;
  KEVENT Event;
  PNDIS_REQUEST_MAC_BLOCK MacBlock;

  NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

  NdisRequest = ExAllocatePool(NonPagedPool, sizeof(NDIS_REQUEST));
  if (!NdisRequest) {
      NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources\n"));
      return NDIS_STATUS_RESOURCES;
  }

  RtlZeroMemory(NdisRequest, sizeof(NDIS_REQUEST));

  NdisRequest->RequestType = NdisRequestSetInformation;
  NdisRequest->DATA.SET_INFORMATION.Oid = Oid;
  NdisRequest->DATA.SET_INFORMATION.InformationBuffer = Buffer;
  NdisRequest->DATA.SET_INFORMATION.InformationBufferLength = Size;

  /* We'll need to give the completion routine some way of letting us know
   * when it's finished. We'll stash a pointer to an event in the MacBlock */
  KeInitializeEvent(&Event, NotificationEvent, FALSE);
  MacBlock = (PNDIS_REQUEST_MAC_BLOCK)NdisRequest->MacReserved;
  MacBlock->Unknown1 = &Event;

  NdisStatus = MiniDoRequest(Adapter, NdisRequest);

  if (NdisStatus == NDIS_STATUS_PENDING)
  {
      KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
      NdisStatus = PtrToUlong(MacBlock->Unknown3);
  }

  *BytesRead = NdisRequest->DATA.SET_INFORMATION.BytesRead;

  ExFreePool(NdisRequest);

  return NdisStatus;
}

Referenced by MiniDoAddressingReset().

MiniStatus()

VOID NTAPI MiniStatus	(	IN NDIS_HANDLE	MiniportHandle,
		IN NDIS_STATUS	GeneralStatus,
		IN PVOID	StatusBuffer,
		IN UINT	StatusBufferSize
	)

Definition at line 1384 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportHandle;
    PLIST_ENTRY CurrentEntry;
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

    CurrentEntry = Adapter->ProtocolListHead.Flink;

    while (CurrentEntry != &Adapter->ProtocolListHead)
    {
       AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);

       (*AdapterBinding->ProtocolBinding->Chars.StatusHandler)(
           AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
           GeneralStatus,
           StatusBuffer,
           StatusBufferSize);

       CurrentEntry = CurrentEntry->Flink;
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
}

Referenced by NdisIPnPStartDevice(), NdisMIndicateStatus(), and RxChangeBufferingState().

MiniStatusComplete()

VOID NTAPI MiniStatusComplete

(

IN NDIS_HANDLE

MiniportAdapterHandle

)

Definition at line 1417 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;
    PLIST_ENTRY CurrentEntry;
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;

    KeAcquireSpinLock(&Adapter->NdisMiniportBlock.Lock, &OldIrql);

    CurrentEntry = Adapter->ProtocolListHead.Flink;

    while (CurrentEntry != &Adapter->ProtocolListHead)
    {
       AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);

       (*AdapterBinding->ProtocolBinding->Chars.StatusCompleteHandler)(
           AdapterBinding->NdisOpenBlock.ProtocolBindingContext);

       CurrentEntry = CurrentEntry->Flink;
    }

    KeReleaseSpinLock(&Adapter->NdisMiniportBlock.Lock, OldIrql);
}

Referenced by NdisIPnPStartDevice(), and NdisMIndicateStatusComplete().

MiniTransferDataComplete()

VOID NTAPI MiniTransferDataComplete	(	IN NDIS_HANDLE	MiniportAdapterHandle,
		IN PNDIS_PACKET	Packet,
		IN NDIS_STATUS	Status,
		IN UINT	BytesTransferred
	)

Definition at line 592 of file miniport.c.

{
    PADAPTER_BINDING AdapterBinding;
    KIRQL OldIrql;

    NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

    AdapterBinding = (PADAPTER_BINDING)Packet->Reserved[1];

    KeRaiseIrql(DISPATCH_LEVEL, &OldIrql);
    (*AdapterBinding->ProtocolBinding->Chars.TransferDataCompleteHandler)(
        AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
        Packet,
        Status,
        BytesTransferred);
    KeLowerIrql(OldIrql);
}

Referenced by NdisIPnPStartDevice(), and NdisMTransferDataComplete().

MiniWorkItemComplete()

VOID MiniWorkItemComplete	(	PLOGICAL_ADAPTER	Adapter,
		NDIS_WORK_ITEM_TYPE	WorkItemType
	)

Definition at line 964 of file miniport.c.

{
    PIO_WORKITEM IoWorkItem;

    /* Check if there's anything queued to run after this work item */
    if (!MiniIsBusy(Adapter, WorkItemType))
        return;

    /* There is, so fire the worker */
    IoWorkItem = IoAllocateWorkItem(Adapter->NdisMiniportBlock.DeviceObject);
    if (IoWorkItem)
        IoQueueWorkItem(IoWorkItem, MiniportWorker, DelayedWorkQueue, IoWorkItem);
}

Referenced by MiniDoRequest(), MiniRequestComplete(), MiniReset(), MiniSendComplete(), MiniSendResourcesAvailable(), and proSendPacketToMiniport().

NdisCancelSendPackets()

VOID EXPORT NdisCancelSendPackets	(	IN NDIS_HANDLE	NdisBindingHandle,
		IN PVOID	CancelId
	)

Definition at line 3353 of file miniport.c.

{
    PADAPTER_BINDING AdapterBinding = NdisBindingHandle;
    PLOGICAL_ADAPTER Adapter = AdapterBinding->Adapter;

    NDIS_DbgPrint(MAX_TRACE, ("Called for ID %x.\n", CancelId));

    if (Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CancelSendPacketsHandler)
    {
        (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.CancelSendPacketsHandler)(
          Adapter->NdisMiniportBlock.MiniportAdapterContext,
          CancelId);
    }
}

NdisCompletePnPEvent()

VOID EXPORT NdisCompletePnPEvent	(	IN NDIS_STATUS	Status,
		IN NDIS_HANDLE	NdisBindingHandle,
		IN PNET_PNP_EVENT	NetPnPEvent
	)

Definition at line 3290 of file miniport.c.

{
  PIRP Irp = (PIRP)NetPnPEvent->NdisReserved[0];
  PLIST_ENTRY CurrentEntry = (PLIST_ENTRY)NetPnPEvent->NdisReserved[1];
  PADAPTER_BINDING AdapterBinding = NdisBindingHandle;
  PLOGICAL_ADAPTER Adapter = AdapterBinding->Adapter;
  NDIS_STATUS NdisStatus;

  if (Status != NDIS_STATUS_SUCCESS)
  {
      if (NetPnPEvent->Buffer) ExFreePool(NetPnPEvent->Buffer);
      ExFreePool(NetPnPEvent);
      Irp->IoStatus.Status = Status;
      IoCompleteRequest(Irp, IO_NO_INCREMENT);
      return;
  }

  while (CurrentEntry != &Adapter->ProtocolListHead)
  {
     AdapterBinding = CONTAINING_RECORD(CurrentEntry, ADAPTER_BINDING, AdapterListEntry);

     NdisStatus = (*AdapterBinding->ProtocolBinding->Chars.PnPEventHandler)(
      AdapterBinding->NdisOpenBlock.ProtocolBindingContext,
      NetPnPEvent);

     if (NdisStatus == NDIS_STATUS_PENDING)
     {
         NetPnPEvent->NdisReserved[1] = (ULONG_PTR)CurrentEntry->Flink;
         return;
     }
     else if (NdisStatus != NDIS_STATUS_SUCCESS)
     {
         if (NetPnPEvent->Buffer) ExFreePool(NetPnPEvent->Buffer);
         ExFreePool(NetPnPEvent);
         Irp->IoStatus.Status = NdisStatus;
         IoCompleteRequest(Irp, IO_NO_INCREMENT);
         return;
     }

     CurrentEntry = CurrentEntry->Flink;
  }

  if (NetPnPEvent->Buffer) ExFreePool(NetPnPEvent->Buffer);
  ExFreePool(NetPnPEvent);

  Irp->IoStatus.Status = NDIS_STATUS_SUCCESS;
  IoCompleteRequest(Irp, IO_NO_INCREMENT);
}

NdisDeregisterAdapterShutdownHandler()

VOID EXPORT NdisDeregisterAdapterShutdownHandler

(

IN NDIS_HANDLE

NdisAdapterHandle

)

Definition at line 3073 of file miniport.c.

{
    NdisMDeregisterAdapterShutdownHandler(NdisAdapterHandle);
}

NdisGenericIrpHandler()

NTSTATUS NTAPI NdisGenericIrpHandler	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PIRP	Irp
	)

Definition at line 2574 of file miniport.c.

{
    PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);

    /* Use the characteristics to classify the device */
    if (DeviceObject->DeviceType == FILE_DEVICE_PHYSICAL_NETCARD)
    {
        if ((IrpSp->MajorFunction == IRP_MJ_CREATE) ||
            (IrpSp->MajorFunction == IRP_MJ_CLOSE) ||
            (IrpSp->MajorFunction == IRP_MJ_CLEANUP))
        {
            return NdisICreateClose(DeviceObject, Irp);
        }
        else if (IrpSp->MajorFunction == IRP_MJ_PNP)
        {
            return NdisIDispatchPnp(DeviceObject, Irp);
        }
        else if (IrpSp->MajorFunction == IRP_MJ_SHUTDOWN)
        {
            return NdisIShutdown(DeviceObject, Irp);
        }
        else if (IrpSp->MajorFunction == IRP_MJ_DEVICE_CONTROL)
        {
            return NdisIDeviceIoControl(DeviceObject, Irp);
        }
        else if (IrpSp->MajorFunction == IRP_MJ_POWER)
        {
            return NdisIPower(DeviceObject, Irp);
        }
        NDIS_DbgPrint(MIN_TRACE, ("Unexpected IRP MajorFunction 0x%x\n", IrpSp->MajorFunction));
        ASSERT(FALSE);
    }
    else if (DeviceObject->DeviceType == FILE_DEVICE_NETWORK)
    {
        PNDIS_M_DEVICE_BLOCK DeviceBlock = DeviceObject->DeviceExtension;

        ASSERT(DeviceBlock->DeviceObject == DeviceObject);

        if (DeviceBlock->MajorFunction[IrpSp->MajorFunction] != NULL)
        {
            return DeviceBlock->MajorFunction[IrpSp->MajorFunction](DeviceObject, Irp);
        }
    }
    else
    {
        ASSERT(FALSE);
    }

    Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST;
    Irp->IoStatus.Information = 0;

    IoCompleteRequest(Irp, IO_NO_INCREMENT);

    return STATUS_INVALID_DEVICE_REQUEST;
}

Referenced by NdisMRegisterMiniport().

NdisIAddDevice()

NTSTATUS NTAPI NdisIAddDevice	(	IN PDRIVER_OBJECT	DriverObject,
		IN PDEVICE_OBJECT	PhysicalDeviceObject
	)

Definition at line 2420 of file miniport.c.

{
  static const WCHAR ClassKeyName[] = {'C','l','a','s','s','\\'};
  static const WCHAR LinkageKeyName[] = {'\\','L','i','n','k','a','g','e',0};
  PNDIS_M_DRIVER_BLOCK Miniport;
  PNDIS_M_DRIVER_BLOCK *MiniportPtr;
  WCHAR *LinkageKeyBuffer;
  ULONG DriverKeyLength;
  RTL_QUERY_REGISTRY_TABLE QueryTable[2];
  UNICODE_STRING ExportName;
  PDEVICE_OBJECT DeviceObject;
  PLOGICAL_ADAPTER Adapter;
  NTSTATUS Status;

  /*
   * Gain the access to the miniport data structure first.
   */

  MiniportPtr = IoGetDriverObjectExtension(DriverObject, (PVOID)'NMID');
  if (MiniportPtr == NULL)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Can't get driver object extension.\n"));
      return NDIS_STATUS_FAILURE;
    }
  Miniport = *MiniportPtr;

  /*
   * Get name of the Linkage registry key for our adapter. It's located under
   * the driver key for our driver and so we have basicly two ways to do it.
   * Either we can use IoOpenDriverRegistryKey or compose it using information
   * gathered by IoGetDeviceProperty. I chose the second because
   * IoOpenDriverRegistryKey wasn't implemented at the time of writing.
   */

  Status = IoGetDeviceProperty(PhysicalDeviceObject, DevicePropertyDriverKeyName,
                               0, NULL, &DriverKeyLength);
  if (Status != STATUS_BUFFER_TOO_SMALL && Status != STATUS_BUFFER_OVERFLOW && Status != STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Can't get miniport driver key length.\n"));
      return Status;
    }

  LinkageKeyBuffer = ExAllocatePool(PagedPool, DriverKeyLength +
                                    sizeof(ClassKeyName) + sizeof(LinkageKeyName));
  if (LinkageKeyBuffer == NULL)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Can't allocate memory for driver key name.\n"));
      return STATUS_INSUFFICIENT_RESOURCES;
    }

  Status = IoGetDeviceProperty(PhysicalDeviceObject, DevicePropertyDriverKeyName,
                               DriverKeyLength, LinkageKeyBuffer +
                               (sizeof(ClassKeyName) / sizeof(WCHAR)),
                               &DriverKeyLength);
  if (!NT_SUCCESS(Status))
    {
      NDIS_DbgPrint(MIN_TRACE, ("Can't get miniport driver key.\n"));
      ExFreePool(LinkageKeyBuffer);
      return Status;
    }

  /* Compose the linkage key name. */
  RtlCopyMemory(LinkageKeyBuffer, ClassKeyName, sizeof(ClassKeyName));
  RtlCopyMemory(LinkageKeyBuffer + ((sizeof(ClassKeyName) + DriverKeyLength) /
                sizeof(WCHAR)) - 1, LinkageKeyName, sizeof(LinkageKeyName));

  NDIS_DbgPrint(DEBUG_MINIPORT, ("LinkageKey: %S.\n", LinkageKeyBuffer));

  /*
   * Now open the linkage key and read the "Export" and "RootDevice" values
   * which contains device name and root service respectively.
   */

  RtlZeroMemory(QueryTable, sizeof(QueryTable));
  RtlInitUnicodeString(&ExportName, NULL);
  QueryTable[0].Flags = RTL_QUERY_REGISTRY_REQUIRED | RTL_QUERY_REGISTRY_DIRECT;
  QueryTable[0].Name = L"Export";
  QueryTable[0].EntryContext = &ExportName;

  Status = RtlQueryRegistryValues(RTL_REGISTRY_CONTROL, LinkageKeyBuffer,
                                  QueryTable, NULL, NULL);
  ExFreePool(LinkageKeyBuffer);
  if (!NT_SUCCESS(Status))
    {
      NDIS_DbgPrint(MIN_TRACE, ("Can't get miniport device name. (%x)\n", Status));
      return Status;
    }

  /*
   * Create the device object.
   */

  NDIS_DbgPrint(MAX_TRACE, ("creating device %wZ\n", &ExportName));

  Status = IoCreateDevice(Miniport->DriverObject, sizeof(LOGICAL_ADAPTER),
    &ExportName, FILE_DEVICE_PHYSICAL_NETCARD,
    0, FALSE, &DeviceObject);
  if (!NT_SUCCESS(Status))
    {
      NDIS_DbgPrint(MIN_TRACE, ("Could not create device object.\n"));
      RtlFreeUnicodeString(&ExportName);
      return Status;
    }

  /*
   * Initialize the adapter structure.
   */

  Adapter = (PLOGICAL_ADAPTER)DeviceObject->DeviceExtension;
  KeInitializeSpinLock(&Adapter->NdisMiniportBlock.Lock);
  InitializeListHead(&Adapter->ProtocolListHead);

  Status = IoRegisterDeviceInterface(PhysicalDeviceObject,
                                     &GUID_DEVINTERFACE_NET,
                                     NULL,
                                     &Adapter->NdisMiniportBlock.SymbolicLinkName);

  if (!NT_SUCCESS(Status))
  {
      NDIS_DbgPrint(MIN_TRACE, ("Could not create device interface.\n"));
      IoDeleteDevice(DeviceObject);
      RtlFreeUnicodeString(&ExportName);
      return Status;
  }

  Adapter->NdisMiniportBlock.DriverHandle = Miniport;
  Adapter->NdisMiniportBlock.MiniportName = ExportName;
  Adapter->NdisMiniportBlock.DeviceObject = DeviceObject;
  Adapter->NdisMiniportBlock.PhysicalDeviceObject = PhysicalDeviceObject;
  Adapter->NdisMiniportBlock.NextDeviceObject =
    IoAttachDeviceToDeviceStack(Adapter->NdisMiniportBlock.DeviceObject,
                                PhysicalDeviceObject);

  Adapter->NdisMiniportBlock.OldPnPDeviceState = 0;
  Adapter->NdisMiniportBlock.PnPDeviceState = NdisPnPDeviceAdded;

  KeInitializeTimer(&Adapter->NdisMiniportBlock.WakeUpDpcTimer.Timer);
  KeInitializeDpc(&Adapter->NdisMiniportBlock.WakeUpDpcTimer.Dpc, MiniportHangDpc, Adapter);

  DeviceObject->Flags &= ~DO_DEVICE_INITIALIZING;

  return STATUS_SUCCESS;
}

Referenced by NdisMRegisterMiniport().

NdisIBugcheckCallback()

VOID NTAPI NdisIBugcheckCallback	(	IN PVOID	Buffer,
		IN ULONG	Length
	)

Definition at line 1670 of file miniport.c.

{
  PMINIPORT_BUGCHECK_CONTEXT Context = (PMINIPORT_BUGCHECK_CONTEXT)Buffer;
  ADAPTER_SHUTDOWN_HANDLER sh = (ADAPTER_SHUTDOWN_HANDLER)Context->ShutdownHandler;

   NDIS_DbgPrint(DEBUG_MINIPORT, ("Called.\n"));

  if(sh)
    sh(Context->DriverContext);
}

Referenced by NdisMRegisterAdapterShutdownHandler().

NdisICreateClose()

NTSTATUS NTAPI NdisICreateClose	(	IN PDEVICE_OBJECT	DeviceObject,
		IN PIRP	Irp
	)

Definition at line 1871 of file miniport.c.

{
  Irp->IoStatus.Status = STATUS_SUCCESS;
  Irp->IoStatus.Information = 0;

  IoCompleteRequest(Irp, IO_NO_INCREMENT);

  return STATUS_SUCCESS;
}

Referenced by NdisGenericIrpHandler().

NdisIDeviceIoControl()

NTSTATUS NTAPI NdisIDeviceIoControl	(	IN PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 2291 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = (PLOGICAL_ADAPTER)DeviceObject->DeviceExtension;
  PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
  NDIS_STATUS Status = STATUS_NOT_SUPPORTED;
  ULONG ControlCode;
  ULONG Written;

  Irp->IoStatus.Information = 0;

  ASSERT(Adapter);

  ControlCode = Stack->Parameters.DeviceIoControl.IoControlCode;
  switch (ControlCode)
  {
    case IOCTL_NDIS_QUERY_GLOBAL_STATS:
      Status = MiniQueryInformation(Adapter,
                                    *(PNDIS_OID)Irp->AssociatedIrp.SystemBuffer,
                                    Stack->Parameters.DeviceIoControl.OutputBufferLength,
                                    MmGetSystemAddressForMdl(Irp->MdlAddress),
                                    &Written);
      Irp->IoStatus.Information = Written;
      break;

    default:
      NDIS_DbgPrint(MIN_TRACE, ("NdisIDeviceIoControl: unsupported control code 0x%lx\n", ControlCode));
      break;
  }

  if (Status != NDIS_STATUS_PENDING)
  {
      Irp->IoStatus.Status = Status;
      IoCompleteRequest(Irp, IO_NO_INCREMENT);
  }
  else
      IoMarkIrpPending(Irp);

  return Status;
}

Referenced by NdisGenericIrpHandler().

NdisIDispatchPnp()

NTSTATUS NTAPI NdisIDispatchPnp	(	IN PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 2335 of file miniport.c.

{
  PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
  PLOGICAL_ADAPTER Adapter = (PLOGICAL_ADAPTER)DeviceObject->DeviceExtension;
  NTSTATUS Status;

  switch (Stack->MinorFunction)
    {
      case IRP_MN_START_DEVICE:
        Status = NdisIForwardIrpAndWait(Adapter, Irp);
        if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
          {
          Status = NdisIPnPStartDevice(DeviceObject, Irp);
          }
          else
              NDIS_DbgPrint(MIN_TRACE, ("Lower driver failed device start\n"));
        Irp->IoStatus.Status = Status;
        IoCompleteRequest(Irp, IO_NO_INCREMENT);
        return Status;

      case IRP_MN_STOP_DEVICE:
        Status = NdisIPnPStopDevice(DeviceObject, Irp);
        if (!NT_SUCCESS(Status))
            NDIS_DbgPrint(MIN_TRACE, ("WARNING: Ignoring halt device failure! Passing the IRP down anyway\n"));
        Irp->IoStatus.Status = STATUS_SUCCESS;
        break;

      case IRP_MN_QUERY_REMOVE_DEVICE:
      case IRP_MN_QUERY_STOP_DEVICE:
        Status = NdisIPnPQueryStopDevice(DeviceObject, Irp);
        Irp->IoStatus.Status = Status;
        if (Status != STATUS_SUCCESS)
        {
            IoCompleteRequest(Irp, IO_NO_INCREMENT);
            NDIS_DbgPrint(MIN_TRACE, ("Failing miniport halt request\n"));
            return Status;
        }
        break;

      case IRP_MN_CANCEL_REMOVE_DEVICE:
      case IRP_MN_CANCEL_STOP_DEVICE:
        Status = NdisIForwardIrpAndWait(Adapter, Irp);
        if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
        {
            Status = NdisIPnPCancelStopDevice(DeviceObject, Irp);
        }
        else
        {
            NDIS_DbgPrint(MIN_TRACE, ("Lower driver failed cancel stop/remove request\n"));
        }
        Irp->IoStatus.Status = Status;
        IoCompleteRequest(Irp, IO_NO_INCREMENT);
        return Status;

      case IRP_MN_QUERY_PNP_DEVICE_STATE:
        Status = NDIS_STATUS_SUCCESS;
        Irp->IoStatus.Status = Status;
        Irp->IoStatus.Information |= Adapter->NdisMiniportBlock.PnPFlags;
        break;

      default:
        break;
    }

  IoSkipCurrentIrpStackLocation(Irp);
  return IoCallDriver(Adapter->NdisMiniportBlock.NextDeviceObject, Irp);
}

Referenced by NdisGenericIrpHandler().

NdisIForwardIrpAndWait()

NTSTATUS NTAPI NdisIForwardIrpAndWait	(	PLOGICAL_ADAPTER	Adapter,
		PIRP	Irp
	)

Definition at line 1851 of file miniport.c.

{
  KEVENT Event;
  NTSTATUS Status;

  KeInitializeEvent(&Event, NotificationEvent, FALSE);
  IoCopyCurrentIrpStackLocationToNext(Irp);
  IoSetCompletionRoutine(Irp, NdisIForwardIrpAndWaitCompletionRoutine, &Event,
                         TRUE, TRUE, TRUE);
  Status = IoCallDriver(Adapter->NdisMiniportBlock.NextDeviceObject, Irp);
  if (Status == STATUS_PENDING)
    {
      KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
      Status = Irp->IoStatus.Status;
    }
  return Status;
}

Referenced by NdisIDispatchPnp().

NdisIForwardIrpAndWaitCompletionRoutine()

NTSTATUS NTAPI NdisIForwardIrpAndWaitCompletionRoutine	(	PDEVICE_OBJECT	Fdo,
		PIRP	Irp,
		PVOID	Context
	)

Definition at line 1836 of file miniport.c.

{
  PKEVENT Event = Context;

  if (Irp->PendingReturned)
    KeSetEvent(Event, IO_NO_INCREMENT, FALSE);

  return STATUS_MORE_PROCESSING_REQUIRED;
}

Referenced by NdisIForwardIrpAndWait().

NdisIMGetBindingContext()

NDIS_HANDLE EXPORT NdisIMGetBindingContext

(

IN NDIS_HANDLE

NdisBindingHandle

)

Definition at line 3376 of file miniport.c.

{
    PADAPTER_BINDING AdapterBinding = NdisBindingHandle;
    PLOGICAL_ADAPTER Adapter = AdapterBinding->Adapter;

    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

    return Adapter->NdisMiniportBlock.DeviceContext;
}

NdisIMGetDeviceContext()

NDIS_HANDLE EXPORT NdisIMGetDeviceContext

(

IN NDIS_HANDLE

MiniportAdapterHandle

)

Definition at line 3399 of file miniport.c.

{
    PLOGICAL_ADAPTER Adapter = MiniportAdapterHandle;

    NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

    return Adapter->NdisMiniportBlock.DeviceContext;
}

NdisInitializeWrapper()

VOID EXPORT NdisInitializeWrapper	(	OUT PNDIS_HANDLE	NdisWrapperHandle,
		IN PVOID	SystemSpecific1,
		IN PVOID	SystemSpecific2,
		IN PVOID	SystemSpecific3
	)

Definition at line 1591 of file miniport.c.

{
  PNDIS_M_DRIVER_BLOCK Miniport;
  PUNICODE_STRING RegistryPath;
  WCHAR *RegistryBuffer;

  NDIS_DbgPrint(MAX_TRACE, ("Called.\n"));

  ASSERT(NdisWrapperHandle);

  *NdisWrapperHandle = NULL;

#if BREAK_ON_MINIPORT_INIT
  DbgBreakPoint();
#endif

  Miniport = ExAllocatePool(NonPagedPool, sizeof(NDIS_M_DRIVER_BLOCK));

  if (!Miniport)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources.\n"));
      return;
    }

  RtlZeroMemory(Miniport, sizeof(NDIS_M_DRIVER_BLOCK));

  KeInitializeSpinLock(&Miniport->Lock);

  Miniport->DriverObject = (PDRIVER_OBJECT)SystemSpecific1;

  /* set the miniport's driver registry path */
  RegistryPath = ExAllocatePool(PagedPool, sizeof(UNICODE_STRING));
  if(!RegistryPath)
    {
      ExFreePool(Miniport);
      NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources.\n"));
      return;
    }

  RegistryPath->Length = ((PUNICODE_STRING)SystemSpecific2)->Length;
  RegistryPath->MaximumLength = RegistryPath->Length + sizeof(WCHAR);   /* room for 0-term */

  RegistryBuffer = ExAllocatePool(PagedPool, RegistryPath->MaximumLength);
  if(!RegistryBuffer)
    {
      NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources.\n"));
      ExFreePool(Miniport);
      ExFreePool(RegistryPath);
      return;
    }

  RtlCopyMemory(RegistryBuffer, ((PUNICODE_STRING)SystemSpecific2)->Buffer, RegistryPath->Length);
  RegistryBuffer[RegistryPath->Length/sizeof(WCHAR)] = 0;

  RegistryPath->Buffer = RegistryBuffer;
  Miniport->RegistryPath = RegistryPath;

  InitializeListHead(&Miniport->DeviceList);

  /* Put miniport in global miniport list */
  ExInterlockedInsertTailList(&MiniportListHead, &Miniport->ListEntry, &MiniportListLock);

  *NdisWrapperHandle = Miniport;
}

NdisIPnPStartDevice()

NTSTATUS NTAPI NdisIPnPStartDevice	(	IN PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 1885 of file miniport.c.

{
  PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
  PLOGICAL_ADAPTER Adapter = (PLOGICAL_ADAPTER)DeviceObject->DeviceExtension;
  NDIS_WRAPPER_CONTEXT WrapperContext;
  NDIS_STATUS NdisStatus;
  NDIS_STATUS OpenErrorStatus;
  NTSTATUS Status;
  UINT SelectedMediumIndex = 0;
  NDIS_OID AddressOID;
  BOOLEAN Success = FALSE;
  ULONG ResourceCount;
  ULONG ResourceListSize;
  UNICODE_STRING ParamName;
  PNDIS_CONFIGURATION_PARAMETER ConfigParam;
  NDIS_HANDLE ConfigHandle;
  ULONG Size;
  LARGE_INTEGER Timeout;
  UINT MaxMulticastAddresses;
  ULONG BytesWritten;
  PLIST_ENTRY CurrentEntry;
  PPROTOCOL_BINDING ProtocolBinding;

  /*
   * Prepare wrapper context used by HW and configuration routines.
   */

  NDIS_DbgPrint(DEBUG_MINIPORT, ("Start Device %wZ\n", &Adapter->NdisMiniportBlock.MiniportName));

  NDIS_DbgPrint(MAX_TRACE, ("Inserting adapter 0x%x into adapter list\n", Adapter));

  /* Put adapter in global adapter list */
  ExInterlockedInsertTailList(&AdapterListHead, &Adapter->ListEntry, &AdapterListLock);

  Status = IoOpenDeviceRegistryKey(
    Adapter->NdisMiniportBlock.PhysicalDeviceObject, PLUGPLAY_REGKEY_DRIVER,
    KEY_ALL_ACCESS, &WrapperContext.RegistryHandle);
  if (!NT_SUCCESS(Status))
    {
      NDIS_DbgPrint(MIN_TRACE,("failed to open adapter-specific reg key\n"));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
      return Status;
    }

  NDIS_DbgPrint(MAX_TRACE, ("opened device reg key\n"));

  WrapperContext.DeviceObject = Adapter->NdisMiniportBlock.DeviceObject;

  /*
   * Store the adapter resources used by HW routines such as
   * NdisMQueryAdapterResources.
   */

  if (Stack->Parameters.StartDevice.AllocatedResources != NULL)
    {
      ResourceCount = Stack->Parameters.StartDevice.AllocatedResources->List[0].
                      PartialResourceList.Count;
      ResourceListSize =
        FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.
                     PartialDescriptors[ResourceCount]);

      Adapter->NdisMiniportBlock.AllocatedResources =
        ExAllocatePool(PagedPool, ResourceListSize);
      if (Adapter->NdisMiniportBlock.AllocatedResources == NULL)
        {
          NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources\n"));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
          return STATUS_INSUFFICIENT_RESOURCES;
        }

      Adapter->NdisMiniportBlock.Resources =
        ExAllocatePool(PagedPool, ResourceListSize);
      if (!Adapter->NdisMiniportBlock.Resources)
      {
          NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources\n"));
          ExFreePool(Adapter->NdisMiniportBlock.AllocatedResources);
          ExInterlockedRemoveEntryList(&Adapter->ListEntry, &AdapterListLock);
          return STATUS_INSUFFICIENT_RESOURCES;
      }

      RtlCopyMemory(Adapter->NdisMiniportBlock.Resources,
                    Stack->Parameters.StartDevice.AllocatedResources,
                    ResourceListSize);

      RtlCopyMemory(Adapter->NdisMiniportBlock.AllocatedResources,
                    Stack->Parameters.StartDevice.AllocatedResources,
                    ResourceListSize);
    }

  if (Stack->Parameters.StartDevice.AllocatedResourcesTranslated != NULL)
    {
      ResourceCount = Stack->Parameters.StartDevice.AllocatedResourcesTranslated->List[0].
                      PartialResourceList.Count;
      ResourceListSize =
        FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.
                     PartialDescriptors[ResourceCount]);

      Adapter->NdisMiniportBlock.AllocatedResourcesTranslated =
        ExAllocatePool(PagedPool, ResourceListSize);
      if (Adapter->NdisMiniportBlock.AllocatedResourcesTranslated == NULL)
        {
          NDIS_DbgPrint(MIN_TRACE, ("Insufficient resources\n"));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
          return STATUS_INSUFFICIENT_RESOURCES;
        }

      RtlCopyMemory(Adapter->NdisMiniportBlock.AllocatedResourcesTranslated,
                    Stack->Parameters.StartDevice.AllocatedResourcesTranslated,
                    ResourceListSize);
   }

  /*
   * Store the Bus Type, Bus Number and Slot information. It's used by
   * the hardware routines then.
   */

  NdisOpenConfiguration(&NdisStatus, &ConfigHandle, (NDIS_HANDLE)&WrapperContext);
  if (NdisStatus != NDIS_STATUS_SUCCESS)
  {
      NDIS_DbgPrint(MIN_TRACE, ("Failed to open configuration key\n"));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
      return NdisStatus;
  }

  Size = sizeof(ULONG);
  Status = IoGetDeviceProperty(Adapter->NdisMiniportBlock.PhysicalDeviceObject,
                               DevicePropertyLegacyBusType, Size,
                               &Adapter->NdisMiniportBlock.BusType, &Size);
  if (!NT_SUCCESS(Status) || (INTERFACE_TYPE)Adapter->NdisMiniportBlock.BusType == InterfaceTypeUndefined)
    {
      NdisInitUnicodeString(&ParamName, L"BusType");
      NdisReadConfiguration(&NdisStatus, &ConfigParam, ConfigHandle,
                            &ParamName, NdisParameterInteger);
      if (NdisStatus == NDIS_STATUS_SUCCESS)
        Adapter->NdisMiniportBlock.BusType = ConfigParam->ParameterData.IntegerData;
      else
        Adapter->NdisMiniportBlock.BusType = Isa;
    }

  Status = IoGetDeviceProperty(Adapter->NdisMiniportBlock.PhysicalDeviceObject,
                               DevicePropertyBusNumber, Size,
                               &Adapter->NdisMiniportBlock.BusNumber, &Size);
  if (!NT_SUCCESS(Status) || Adapter->NdisMiniportBlock.BusNumber == 0xFFFFFFF0)
    {
      NdisInitUnicodeString(&ParamName, L"BusNumber");
      NdisReadConfiguration(&NdisStatus, &ConfigParam, ConfigHandle,
                            &ParamName, NdisParameterInteger);
      if (NdisStatus == NDIS_STATUS_SUCCESS)
        Adapter->NdisMiniportBlock.BusNumber = ConfigParam->ParameterData.IntegerData;
      else
        Adapter->NdisMiniportBlock.BusNumber = 0;
    }
  WrapperContext.BusNumber = Adapter->NdisMiniportBlock.BusNumber;

  Status = IoGetDeviceProperty(Adapter->NdisMiniportBlock.PhysicalDeviceObject,
                               DevicePropertyAddress, Size,
                               &Adapter->NdisMiniportBlock.SlotNumber, &Size);
  if (!NT_SUCCESS(Status) || Adapter->NdisMiniportBlock.SlotNumber == (NDIS_INTERFACE_TYPE)-1)
    {
      NdisInitUnicodeString(&ParamName, L"SlotNumber");
      NdisReadConfiguration(&NdisStatus, &ConfigParam, ConfigHandle,
                            &ParamName, NdisParameterInteger);
      if (NdisStatus == NDIS_STATUS_SUCCESS)
        Adapter->NdisMiniportBlock.SlotNumber = ConfigParam->ParameterData.IntegerData;
      else
        Adapter->NdisMiniportBlock.SlotNumber = 0;
    }
  else
    {
        /* Convert slotnumber to PCI_SLOT_NUMBER */
        ULONG PciSlotNumber = Adapter->NdisMiniportBlock.SlotNumber;
        PCI_SLOT_NUMBER SlotNumber;

        SlotNumber.u.AsULONG = 0;
        SlotNumber.u.bits.DeviceNumber = (PciSlotNumber >> 16) & 0xFFFF;
        SlotNumber.u.bits.FunctionNumber = PciSlotNumber & 0xFFFF;

        Adapter->NdisMiniportBlock.SlotNumber = SlotNumber.u.AsULONG;
    }
  WrapperContext.SlotNumber = Adapter->NdisMiniportBlock.SlotNumber;

  NdisCloseConfiguration(ConfigHandle);

  /* Set handlers (some NDIS macros require these) */
  Adapter->NdisMiniportBlock.EthRxCompleteHandler = EthFilterDprIndicateReceiveComplete;
  Adapter->NdisMiniportBlock.EthRxIndicateHandler = EthFilterDprIndicateReceive;
  Adapter->NdisMiniportBlock.SendCompleteHandler  = MiniSendComplete;
  Adapter->NdisMiniportBlock.SendResourcesHandler = MiniSendResourcesAvailable;
  Adapter->NdisMiniportBlock.ResetCompleteHandler = MiniResetComplete;
  Adapter->NdisMiniportBlock.TDCompleteHandler    = MiniTransferDataComplete;
  Adapter->NdisMiniportBlock.PacketIndicateHandler= MiniIndicateReceivePacket;
  Adapter->NdisMiniportBlock.StatusHandler        = MiniStatus;
  Adapter->NdisMiniportBlock.StatusCompleteHandler= MiniStatusComplete;
  Adapter->NdisMiniportBlock.SendPacketsHandler   = ProSendPackets;
  Adapter->NdisMiniportBlock.QueryCompleteHandler = MiniRequestComplete;
  Adapter->NdisMiniportBlock.SetCompleteHandler   = MiniRequestComplete;

  /*
   * Call MiniportInitialize.
   */

  NDIS_DbgPrint(MID_TRACE, ("calling MiniportInitialize\n"));
  NdisStatus = (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.InitializeHandler)(
    &OpenErrorStatus, &SelectedMediumIndex, &MediaArray[0],
    MEDIA_ARRAY_SIZE, Adapter, (NDIS_HANDLE)&WrapperContext);

  ZwClose(WrapperContext.RegistryHandle);

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("MiniportInitialize() failed for an adapter (%lx).\n", NdisStatus));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
      if (Adapter->NdisMiniportBlock.Interrupt)
      {
          KeBugCheckEx(BUGCODE_ID_DRIVER,
                       (ULONG_PTR)Adapter,
                       (ULONG_PTR)Adapter->NdisMiniportBlock.Interrupt,
                       (ULONG_PTR)Adapter->NdisMiniportBlock.TimerQueue,
                       1);
      }
      if (Adapter->NdisMiniportBlock.TimerQueue)
      {
          KeBugCheckEx(BUGCODE_ID_DRIVER,
                       (ULONG_PTR)Adapter,
                       (ULONG_PTR)Adapter->NdisMiniportBlock.Interrupt,
                       (ULONG_PTR)Adapter->NdisMiniportBlock.TimerQueue,
                       1);
      }
      return NdisStatus;
    }

  if (SelectedMediumIndex >= MEDIA_ARRAY_SIZE)
    {
      NDIS_DbgPrint(MIN_TRACE, ("MiniportInitialize() selected a bad index\n"));
      ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
      return NDIS_STATUS_UNSUPPORTED_MEDIA;
    }

  Adapter->NdisMiniportBlock.MediaType = MediaArray[SelectedMediumIndex];

  switch (Adapter->NdisMiniportBlock.MediaType)
    {
      case NdisMedium802_3:
        Adapter->MediumHeaderSize = 14;       /* XXX figure out what to do about LLC */
        AddressOID = OID_802_3_CURRENT_ADDRESS;
        Adapter->AddressLength = ETH_LENGTH_OF_ADDRESS;
        NdisStatus = DoQueries(Adapter, AddressOID);
        if (NdisStatus == NDIS_STATUS_SUCCESS)
          {
            NdisStatus = MiniQueryInformation(Adapter, OID_802_3_MAXIMUM_LIST_SIZE, sizeof(UINT),
                                    &MaxMulticastAddresses, &BytesWritten);

            if (NdisStatus != NDIS_STATUS_SUCCESS)
            {
               ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
               NDIS_DbgPrint(MIN_TRACE, ("MiniQueryInformation failed (%x)\n", NdisStatus));
               return NdisStatus;
            }

            Success = EthCreateFilter(MaxMulticastAddresses,
                                      Adapter->Address.Type.Medium802_3,
                                      &Adapter->NdisMiniportBlock.EthDB);
            if (Success)
              ((PETHI_FILTER)Adapter->NdisMiniportBlock.EthDB)->Miniport = (PNDIS_MINIPORT_BLOCK)Adapter;
            else
              NdisStatus = NDIS_STATUS_RESOURCES;
          }
        break;

      default:
        /* FIXME: Support other types of media */
        NDIS_DbgPrint(MIN_TRACE, ("error: unsupported media\n"));
        ASSERT(FALSE);
    ExInterlockedRemoveEntryList( &Adapter->ListEntry, &AdapterListLock );
        return STATUS_UNSUCCESSFUL;
    }

  if (NdisStatus != NDIS_STATUS_SUCCESS)
    {
      NDIS_DbgPrint(MIN_TRACE, ("couldn't create filter (%x)\n", NdisStatus));
      return NdisStatus;
    }

  /* Check for a hang every two seconds if it wasn't set in MiniportInitialize */
  if (Adapter->NdisMiniportBlock.CheckForHangSeconds == 0)
      Adapter->NdisMiniportBlock.CheckForHangSeconds = 2;

  Adapter->NdisMiniportBlock.OldPnPDeviceState = Adapter->NdisMiniportBlock.PnPDeviceState;
  Adapter->NdisMiniportBlock.PnPDeviceState = NdisPnPDeviceStarted;

  IoSetDeviceInterfaceState(&Adapter->NdisMiniportBlock.SymbolicLinkName, TRUE);

  Timeout.QuadPart = Int32x32To64(Adapter->NdisMiniportBlock.CheckForHangSeconds, -1000000);
  KeSetTimerEx(&Adapter->NdisMiniportBlock.WakeUpDpcTimer.Timer, Timeout,
               Adapter->NdisMiniportBlock.CheckForHangSeconds * 1000,
               &Adapter->NdisMiniportBlock.WakeUpDpcTimer.Dpc);

  /* Put adapter in adapter list for this miniport */
  ExInterlockedInsertTailList(&Adapter->NdisMiniportBlock.DriverHandle->DeviceList, &Adapter->MiniportListEntry, &Adapter->NdisMiniportBlock.DriverHandle->Lock);

  /* Refresh bindings for all protocols */
  CurrentEntry = ProtocolListHead.Flink;
  while (CurrentEntry != &ProtocolListHead)
  {
      ProtocolBinding = CONTAINING_RECORD(CurrentEntry, PROTOCOL_BINDING, ListEntry);

      ndisBindMiniportsToProtocol(&NdisStatus, ProtocolBinding);

      CurrentEntry = CurrentEntry->Flink;
  }

  return STATUS_SUCCESS;
}

Referenced by NdisIDispatchPnp().

NdisIPnPStopDevice()

NTSTATUS NTAPI NdisIPnPStopDevice	(	IN PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 2211 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = (PLOGICAL_ADAPTER)DeviceObject->DeviceExtension;

  /* Remove adapter from adapter list for this miniport */
  ExInterlockedRemoveEntryList(&Adapter->MiniportListEntry, &Adapter->NdisMiniportBlock.DriverHandle->Lock);

  /* Remove adapter from global adapter list */
  ExInterlockedRemoveEntryList(&Adapter->ListEntry, &AdapterListLock);

  KeCancelTimer(&Adapter->NdisMiniportBlock.WakeUpDpcTimer.Timer);

  /* Set this here so MiniportISR will be forced to run for interrupts generated in MiniportHalt */
  Adapter->NdisMiniportBlock.OldPnPDeviceState = Adapter->NdisMiniportBlock.PnPDeviceState;
  Adapter->NdisMiniportBlock.PnPDeviceState = NdisPnPDeviceStopped;

  (*Adapter->NdisMiniportBlock.DriverHandle->MiniportCharacteristics.HaltHandler)(Adapter);

  IoSetDeviceInterfaceState(&Adapter->NdisMiniportBlock.SymbolicLinkName, FALSE);

  if (Adapter->NdisMiniportBlock.AllocatedResources)
    {
      ExFreePool(Adapter->NdisMiniportBlock.AllocatedResources);
      Adapter->NdisMiniportBlock.AllocatedResources = NULL;
    }
  if (Adapter->NdisMiniportBlock.AllocatedResourcesTranslated)
    {
      ExFreePool(Adapter->NdisMiniportBlock.AllocatedResourcesTranslated);
      Adapter->NdisMiniportBlock.AllocatedResourcesTranslated = NULL;
    }

  if (Adapter->NdisMiniportBlock.Resources)
    {
      ExFreePool(Adapter->NdisMiniportBlock.Resources);
      Adapter->NdisMiniportBlock.Resources = NULL;
    }

  if (Adapter->NdisMiniportBlock.EthDB)
    {
      EthDeleteFilter(Adapter->NdisMiniportBlock.EthDB);
      Adapter->NdisMiniportBlock.EthDB = NULL;
    }

  return STATUS_SUCCESS;
}

Referenced by NdisIDispatchPnp().

NdisIPower()

NTSTATUS NTAPI NdisIPower	(	_In_ PDEVICE_OBJECT	DeviceObject,
		_In_ PIRP	Irp
	)

Definition at line 2407 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = DeviceObject->DeviceExtension;

  PoStartNextPowerIrp(Irp);
  IoSkipCurrentIrpStackLocation(Irp);
  return PoCallDriver(Adapter->NdisMiniportBlock.NextDeviceObject, Irp);
}

Referenced by NdisGenericIrpHandler().

NdisIShutdown()

NTSTATUS NTAPI NdisIShutdown	(	IN PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 2269 of file miniport.c.

{
  PLOGICAL_ADAPTER Adapter = DeviceObject->DeviceExtension;
  PMINIPORT_BUGCHECK_CONTEXT Context = Adapter->BugcheckContext;
  ADAPTER_SHUTDOWN_HANDLER ShutdownHandler = Context->ShutdownHandler;

  ASSERT(ShutdownHandler);

  ShutdownHandler(Context->DriverContext);

  Irp->IoStatus.Status = STATUS_SUCCESS;
  Irp->IoStatus.Information = 0;

  IoCompleteRequest(Irp, IO_NO_INCREMENT);