NTSTATUS NPF_Open(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{
PDEVICE_EXTENSION DeviceExtension;
POPEN_INSTANCE Open;
PIO_STACK_LOCATION IrpSp;
NDIS_STATUS Status;
NDIS_STATUS ErrorStatus;
UINT i;
PUCHAR tpointer;
PLIST_ENTRY PacketListEntry;
NTSTATUS returnStatus;
//
// Old registry based WinPcap names
//
// WCHAR EventPrefix[MAX_WINPCAP_KEY_CHARS];
// UINT RegStrLen;
TRACE_ENTER();
DeviceExtension = DeviceObject->DeviceExtension;
IrpSp = IoGetCurrentIrpStackLocation(Irp);
// allocate some memory for the open structure
Open=ExAllocatePoolWithTag(NonPagedPool, sizeof(OPEN_INSTANCE), '0OWA');
if (Open==NULL) {
// no memory
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INSUFFICIENT_RESOURCES;
}
RtlZeroMemory(
Open,
sizeof(OPEN_INSTANCE)
);
//
// Old registry based WinPcap names
//
// //
// // Get the Event names base from the registry
// //
// RegStrLen = sizeof(EventPrefix)/sizeof(EventPrefix[0]);
//
// NPF_QueryWinpcapRegistryString(NPF_EVENTS_NAMES_REG_KEY_WC,
// EventPrefix,
// RegStrLen,
// NPF_EVENTS_NAMES_WIDECHAR);
//
Open->DeviceExtension=DeviceExtension;
// Allocate a packet pool for our xmit and receive packets
NdisAllocatePacketPool(
&Status,
&Open->PacketPool,
TRANSMIT_PACKETS,
sizeof(PACKET_RESERVED));
if (Status != NDIS_STATUS_SUCCESS) {
TRACE_MESSAGE(PACKET_DEBUG_LOUD, "Failed to allocate packet pool");
ExFreePool(Open);
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INSUFFICIENT_RESOURCES;
}
NdisInitializeEvent(&Open->WriteEvent);
NdisInitializeEvent(&Open->NdisRequestEvent);
NdisInitializeEvent(&Open->NdisWriteCompleteEvent);
NdisInitializeEvent(&Open->DumpEvent);
NdisAllocateSpinLock(&Open->MachineLock);
NdisAllocateSpinLock(&Open->WriteLock);
Open->WriteInProgress = FALSE;
for (i = 0; i < g_NCpu; i++)
{
NdisAllocateSpinLock(&Open->CpuData[i].BufferLock);
}
NdisInitializeEvent(&Open->NdisOpenCloseCompleteEvent);
// list to hold irp's want to reset the adapter
InitializeListHead(&Open->ResetIrpList);
// Initialize the request list
KeInitializeSpinLock(&Open->RequestSpinLock);
InitializeListHead(&Open->RequestList);
#ifdef HAVE_BUGGY_TME_SUPPORT
// Initializes the extended memory of the NPF machine
Open->mem_ex.buffer = ExAllocatePoolWithTag(NonPagedPool, DEFAULT_MEM_EX_SIZE, '2OWA');
if((Open->mem_ex.buffer) == NULL)
{
//
// no memory
//
ExFreePool(Open);
Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_INSUFFICIENT_RESOURCES;
}
Open->mem_ex.size = DEFAULT_MEM_EX_SIZE;
RtlZeroMemory(Open->mem_ex.buffer, DEFAULT_MEM_EX_SIZE);
#endif //HAVE_BUGGY_TME_SUPPORT
//
// Initialize the open instance
//
Open->bpfprogram = NULL; //reset the filter
Open->mode = MODE_CAPT;
Open->Nbytes.QuadPart = 0;
Open->Npackets.QuadPart = 0;
Open->Nwrites = 1;
Open->Multiple_Write_Counter = 0;
Open->MinToCopy = 0;
Open->TimeOut.QuadPart = (LONGLONG)1;
Open->DumpFileName.Buffer = NULL;
Open->DumpFileHandle = NULL;
#ifdef HAVE_BUGGY_TME_SUPPORT
Open->tme.active = TME_NONE_ACTIVE;
#endif // HAVE_BUGGY_TME_SUPPORT
Open->DumpLimitReached = FALSE;
Open->MaxFrameSize = 0;
Open->WriterSN=0;
Open->ReaderSN=0;
Open->Size=0;
Open->SkipSentPackets = FALSE;
Open->ReadEvent = NULL;
//
// we need to keep a counter of the pending IRPs
// so that when the IRP_MJ_CLEANUP dispatcher gets called,
// we can wait for those IRPs to be completed
//
Open->NumPendingIrps = 0;
Open->ClosePending = FALSE;
NdisAllocateSpinLock(&Open->OpenInUseLock);
//
//allocate the spinlock for the statistic counters
//
NdisAllocateSpinLock(&Open->CountersLock);
//
// link up the request stored in our open block
//
for (i = 0 ; i < MAX_REQUESTS ; i++ )
{
NdisInitializeEvent(&Open->Requests[i].InternalRequestCompletedEvent);
ExInterlockedInsertTailList(
&Open->RequestList,
&Open->Requests[i].ListElement,
&Open->RequestSpinLock);
}
NdisResetEvent(&Open->NdisOpenCloseCompleteEvent);
//
// set the proper binding flags before trying to open the MAC
//
Open->AdapterBindingStatus = ADAPTER_BOUND;
Open->AdapterHandleUsageCounter = 0;
NdisAllocateSpinLock(&Open->AdapterHandleLock);
//
// Try to open the MAC
//
TRACE_MESSAGE2(PACKET_DEBUG_LOUD,"Opening the device %ws, BindingContext=%p",DeviceExtension->AdapterName.Buffer, Open);
returnStatus = STATUS_SUCCESS;
NdisOpenAdapter(
&Status,
&ErrorStatus,
&Open->AdapterHandle,
&Open->Medium,
MediumArray,
NUM_NDIS_MEDIA,
g_NdisProtocolHandle,
Open,
&DeviceExtension->AdapterName,
0,
NULL);
TRACE_MESSAGE1(PACKET_DEBUG_LOUD,"Opened the device, Status=%x",Status);
if (Status == NDIS_STATUS_PENDING)
{
NdisWaitEvent(&Open->NdisOpenCloseCompleteEvent, 0);
if (!NT_SUCCESS(Open->OpenCloseStatus))
{
returnStatus = Open->OpenCloseStatus;
}
else
{
returnStatus = STATUS_SUCCESS;
}
}
else
{
//
// request not pending, we know the result, and OpenComplete has not been called.
//
if (Status == NDIS_STATUS_SUCCESS)
{
returnStatus = STATUS_SUCCESS;
}
else
{
//
// this is not completely correct, as we are converting an NDIS_STATUS to a NTSTATUS
//
returnStatus = Status;
}
}
if (returnStatus == STATUS_SUCCESS)
{
ULONG localNumOpenedInstances;
//
// complete the open
//
localNumOpenedInstances = InterlockedIncrement(&g_NumOpenedInstances);
TRACE_MESSAGE1(PACKET_DEBUG_LOUD, "Opened Instances: %u", localNumOpenedInstances);
// Get the absolute value of the system boot time.
// This is used for timestamp conversion.
TIME_SYNCHRONIZE(&G_Start_Time);
returnStatus = NPF_GetDeviceMTU(Open, Irp, &Open->MaxFrameSize);
if (!NT_SUCCESS(returnStatus))
{
//
// Close the binding
//
NPF_CloseBinding(Open);
}
}
if (!NT_SUCCESS(returnStatus))
{
NPF_ReleaseOpenInstanceResources(Open);
//
// Free the open instance itself
//
ExFreePool(Open);
}
else
{
// Save or open here
IrpSp->FileObject->FsContext=Open;
}
Irp->IoStatus.Status = returnStatus;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
TRACE_EXIT();
return returnStatus;
}
VOID
natpBindAdapter(
OUT PNDIS_STATUS Status,
IN NDIS_HANDLE BindContext,
IN PNDIS_STRING DeviceName,
IN PVOID SystemSpecific1,
IN PVOID SystemSpecific2
)
{
NDIS_HANDLE ConfigHandle = NULL;
PNDIS_CONFIGURATION_PARAMETER Param;
NDIS_STRING DeviceStr = UPPER_BINDINGS;
PFILTER_ADAPTER pAdapt = NULL;
NDIS_STATUS Sts;
UINT MediumIndex, i;
ULONG TotalSize;
WCHAR DevicePrefix[] = L"\\Device\\";
UNREFERENCED_PARAMETER(BindContext);
UNREFERENCED_PARAMETER(SystemSpecific2);
__try{
NdisOpenProtocolConfiguration(
Status,
&ConfigHandle,
SystemSpecific1
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
NdisReadConfiguration(
Status,
&Param,
ConfigHandle,
&DeviceStr,
NdisParameterString
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
TotalSize = sizeof(FILTER_ADAPTER) + Param->ParameterData.StringData.MaximumLength + DeviceName->MaximumLength;
NdisAllocateMemoryWithTag(&pAdapt, TotalSize, NAT_TAG);
if (NULL == pAdapt){
*Status = NDIS_STATUS_RESOURCES;
__leave;
}
NdisZeroMemory(pAdapt, TotalSize);
pAdapt->DeviceName.MaximumLength = Param->ParameterData.StringData.MaximumLength;
pAdapt->DeviceName.Length = Param->ParameterData.StringData.Length;
pAdapt->DeviceName.Buffer = (PWCHAR)((ULONG_PTR)pAdapt + sizeof(FILTER_ADAPTER));
NdisMoveMemory(
pAdapt->DeviceName.Buffer,
Param->ParameterData.StringData.Buffer,
Param->ParameterData.StringData.MaximumLength
);
if(sizeof(DevicePrefix) >= DeviceName->Length){
}else{
pAdapt->RootDeviceName.MaximumLength = DeviceName->MaximumLength;
pAdapt->RootDeviceName.Length = DeviceName->Length - sizeof(DevicePrefix) + sizeof(WCHAR);
pAdapt->RootDeviceName.Buffer = (PWCHAR)((ULONG_PTR)pAdapt + sizeof(FILTER_ADAPTER) + Param->ParameterData.StringData.MaximumLength);
NdisMoveMemory(
pAdapt->RootDeviceName.Buffer,
DeviceName->Buffer + sizeof(DevicePrefix)/sizeof(WCHAR) - 1,
DeviceName->MaximumLength - sizeof(DevicePrefix)/sizeof(WCHAR) + 1
);
}
NdisInitializeEvent(&pAdapt->Event);
NdisAllocateSpinLock(&pAdapt->Lock);
natInitControlBlock(&pAdapt->ctrl);
NdisAllocatePacketPoolEx(
Status,
&pAdapt->SndPP1,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE,
PROTOCOL_RESERVED_SIZE_IN_PACKET
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
NdisAllocatePacketPoolEx(
Status,
&pAdapt->SndPP2,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE,
PROTOCOL_RESERVED_SIZE_IN_PACKET
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
NdisAllocateBufferPool(
Status,
&pAdapt->SndBP,
MIN_PACKET_POOL_SIZE
);
if ( *Status != NDIS_STATUS_SUCCESS )
__leave;
NdisAllocatePacketPoolEx(
Status,
&pAdapt->RcvPP1,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE - MIN_PACKET_POOL_SIZE,
PROTOCOL_RESERVED_SIZE_IN_PACKET
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
NdisAllocatePacketPoolEx(
Status,
&pAdapt->RcvPP2,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE - MIN_PACKET_POOL_SIZE,
PROTOCOL_RESERVED_SIZE_IN_PACKET
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
NdisAllocateBufferPool(
Status,
&pAdapt->RcvBP,
MIN_PACKET_POOL_SIZE
);
if ( *Status != NDIS_STATUS_SUCCESS )
__leave;
NdisOpenAdapter(
Status,
&Sts,
&pAdapt->BindingHandle,
&MediumIndex,
MediumArray,
sizeof(MediumArray)/sizeof(NDIS_MEDIUM),
ProtHandle,
pAdapt,
DeviceName,
0,NULL
);
if (*Status == NDIS_STATUS_PENDING){
NdisWaitEvent(&pAdapt->Event, 0);
*Status = pAdapt->Status;
}
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
pAdapt->Medium = MediumArray[MediumIndex];
pAdapt->MiniportInitPending = TRUE;
NdisInitializeEvent(&pAdapt->MiniportInitEvent);
*Status =
NdisIMInitializeDeviceInstanceEx(
DriverHandle,
&pAdapt->DeviceName,
pAdapt
);
if (*Status != NDIS_STATUS_SUCCESS)
__leave;
StartQueryInfo( pAdapt );
} __finally{
}
if (ConfigHandle != NULL)
NdisCloseConfiguration(ConfigHandle);
if(NDIS_STATUS_SUCCESS != *Status){
if (pAdapt != NULL){
if (pAdapt->BindingHandle != NULL){
NDIS_STATUS LocalStatus;
NdisResetEvent(&pAdapt->Event);
NdisCloseAdapter(&LocalStatus, pAdapt->BindingHandle);
pAdapt->BindingHandle = NULL;
if (LocalStatus == NDIS_STATUS_PENDING){
NdisWaitEvent(&pAdapt->Event, 0);
LocalStatus = pAdapt->Status;
}
}
natFreeAllItems(&pAdapt->ctrl);
natFreeAllFwSessionsAndRules(&pAdapt->ctrl);
for(i = 0;i<FLT_FW_SESSION_HASH_TBL_SZ;i++)
NdisFreeSpinLock(pAdapt->ctrl.FwSessionLocks + i);
NdisFreeSpinLock(&pAdapt->ctrl.IcmpRuleLock);
NdisFreeSpinLock(&pAdapt->ctrl.UdpRuleLock);
NdisFreeSpinLock(&pAdapt->ctrl.TcpRuleLock);
natmFreeAllPacketPools(pAdapt);
NdisFreeSpinLock(&pAdapt->Lock);
NdisFreeMemory(pAdapt, 0, 0);
pAdapt = NULL;
}
}
}
static
NDIS_STATUS
BindAdapterByName(PNDIS_STRING DeviceName)
{
NDIS_STATUS OpenErrorStatus;
PNDISUIO_ADAPTER_CONTEXT AdapterContext;
NDIS_MEDIUM SupportedMedia[1] = {NdisMedium802_3};
UINT SelectedMedium;
NDIS_STATUS Status;
NDIS_REQUEST Request;
/* Allocate the adapter context */
AdapterContext = ExAllocatePool(NonPagedPool, sizeof(*AdapterContext));
if (!AdapterContext)
{
return NDIS_STATUS_RESOURCES;
}
/* Set up the adapter context */
RtlZeroMemory(AdapterContext, sizeof(*AdapterContext));
KeInitializeEvent(&AdapterContext->AsyncEvent, SynchronizationEvent, FALSE);
KeInitializeEvent(&AdapterContext->PacketReadEvent, SynchronizationEvent, FALSE);
KeInitializeSpinLock(&AdapterContext->Spinlock);
InitializeListHead(&AdapterContext->PacketList);
InitializeListHead(&AdapterContext->OpenEntryList);
AdapterContext->OpenCount = 0;
AdapterContext->DeviceName.Length =
AdapterContext->DeviceName.MaximumLength = DeviceName->Length;
AdapterContext->DeviceName.Buffer = ExAllocatePool(NonPagedPool, DeviceName->Length);
if (!AdapterContext->DeviceName.Buffer)
{
ExFreePool(AdapterContext);
return NDIS_STATUS_RESOURCES;
}
/* Copy the device name into the adapter context */
RtlCopyMemory(AdapterContext->DeviceName.Buffer, DeviceName->Buffer, DeviceName->Length);
DPRINT("Binding adapter %wZ\n", &AdapterContext->DeviceName);
/* Create the buffer pool */
NdisAllocateBufferPool(&Status,
&AdapterContext->BufferPoolHandle,
50);
if (Status != NDIS_STATUS_SUCCESS)
{
DPRINT1("Failed to allocate buffer pool with status 0x%x\n", Status);
RtlFreeUnicodeString(&AdapterContext->DeviceName);
ExFreePool(AdapterContext);
return Status;
}
/* Create the packet pool */
NdisAllocatePacketPool(&Status,
&AdapterContext->PacketPoolHandle,
25,
PROTOCOL_RESERVED_SIZE_IN_PACKET);
if (Status != NDIS_STATUS_SUCCESS)
{
DPRINT1("Failed to allocate packet pool with status 0x%x\n", Status);
NdisFreeBufferPool(AdapterContext->BufferPoolHandle);
RtlFreeUnicodeString(&AdapterContext->DeviceName);
ExFreePool(AdapterContext);
return Status;
}
/* Send the open request */
NdisOpenAdapter(&Status,
&OpenErrorStatus,
&AdapterContext->BindingHandle,
&SelectedMedium,
SupportedMedia,
1,
GlobalProtocolHandle,
AdapterContext,
DeviceName,
0,
NULL);
/* Wait for a pending open */
if (Status == NDIS_STATUS_PENDING)
{
KeWaitForSingleObject(&AdapterContext->AsyncEvent,
Executive,
KernelMode,
FALSE,
NULL);
Status = AdapterContext->AsyncStatus;
}
/* Check the final status */
if (Status != NDIS_STATUS_SUCCESS)
{
DPRINT1("Failed to open adapter for bind with status 0x%x\n", Status);
NdisFreePacketPool(AdapterContext->PacketPoolHandle);
NdisFreeBufferPool(AdapterContext->BufferPoolHandle);
RtlFreeUnicodeString(&AdapterContext->DeviceName);
ExFreePool(AdapterContext);
return Status;
}
/* Get the MAC options */
Request.RequestType = NdisRequestQueryInformation;
Request.DATA.QUERY_INFORMATION.Oid = OID_GEN_MAC_OPTIONS;
Request.DATA.QUERY_INFORMATION.InformationBuffer = &AdapterContext->MacOptions;
Request.DATA.QUERY_INFORMATION.InformationBufferLength = sizeof(ULONG);
NdisRequest(&Status,
AdapterContext->BindingHandle,
&Request);
/* Wait for a pending request */
if (Status == NDIS_STATUS_PENDING)
{
KeWaitForSingleObject(&AdapterContext->AsyncEvent,
Executive,
KernelMode,
FALSE,
NULL);
Status = AdapterContext->AsyncStatus;
}
/* Check the final status */
if (Status != NDIS_STATUS_SUCCESS)
{
NDIS_STATUS CloseStatus;
DPRINT1("Failed to get MAC options with status 0x%x\n", Status);
NdisCloseAdapter(&CloseStatus,
AdapterContext->BindingHandle);
if (CloseStatus == NDIS_STATUS_PENDING)
{
KeWaitForSingleObject(&AdapterContext->AsyncEvent,
Executive,
KernelMode,
FALSE,
NULL);
}
NdisFreePacketPool(AdapterContext->PacketPoolHandle);
NdisFreeBufferPool(AdapterContext->BufferPoolHandle);
RtlFreeUnicodeString(&AdapterContext->DeviceName);
ExFreePool(AdapterContext);
return Status;
}
/* Add the adapter context to the global list */
ExInterlockedInsertTailList(&GlobalAdapterList,
&AdapterContext->ListEntry,
&GlobalAdapterListLock);
return STATUS_SUCCESS;
}
VOID
PtBindAdapter(
OUT PNDIS_STATUS Status,
IN NDIS_HANDLE BindContext,
IN PNDIS_STRING DeviceName,
IN PVOID SystemSpecific1,
IN PVOID SystemSpecific2
)
/*++
Routine Description:
Called by NDIS to bind to a miniport below.
Arguments:
Status - Return status of bind here.
BindContext - Can be passed to NdisCompleteBindAdapter if this call is pended.
DeviceName - Device name to bind to. This is passed to NdisOpenAdapter.
SystemSpecific1 - Can be passed to NdisOpenProtocolConfiguration to read per-binding information
SystemSpecific2 - Unused
Return Value:
NDIS_STATUS_PENDING if this call is pended. In this case call NdisCompleteBindAdapter
to complete.
Anything else Completes this call synchronously
--*/
{
NDIS_HANDLE ConfigHandle = NULL;
PNDIS_CONFIGURATION_PARAMETER Param;
NDIS_STRING DeviceStr = NDIS_STRING_CONST("UpperBindings");
PADAPT pAdapt = NULL;
NDIS_STATUS Sts;
UINT MediumIndex;
ULONG TotalSize;
PNDIS_CONFIGURATION_PARAMETER BundleParam;
NDIS_STRING BundleStr = NDIS_STRING_CONST("BundleId");
NDIS_STATUS BundleStatus;
DBGPRINT(("==> Protocol BindAdapter\n"));
do
{
//
// Access the configuration section for our binding-specific
// parameters.
//
NdisOpenProtocolConfiguration(Status,
&ConfigHandle,
SystemSpecific1);
if (*Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Read the "UpperBindings" reserved key that contains a list
// of device names representing our miniport instances corresponding
// to this lower binding. Since this is a 1:1 IM driver, this key
// contains exactly one name.
//
// If we want to implement a N:1 mux driver (N adapter instances
// over a single lower binding), then UpperBindings will be a
// MULTI_SZ containing a list of device names - we would loop through
// this list, calling NdisIMInitializeDeviceInstanceEx once for
// each name in it.
//
NdisReadConfiguration(Status,
&Param,
ConfigHandle,
&DeviceStr,
NdisParameterString);
if (*Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Allocate memory for the Adapter structure. This represents both the
// protocol context as well as the adapter structure when the miniport
// is initialized.
//
// In addition to the base structure, allocate space for the device
// instance string.
//
TotalSize = sizeof(ADAPT) + Param->ParameterData.StringData.MaximumLength;
NdisAllocateMemoryWithTag(&pAdapt, TotalSize, TAG);
if (pAdapt == NULL)
{
*Status = NDIS_STATUS_RESOURCES;
break;
}
//
// Initialize the adapter structure. We copy in the IM device
// name as well, because we may need to use it in a call to
// NdisIMCancelInitializeDeviceInstance. The string returned
// by NdisReadConfiguration is active (i.e. available) only
// for the duration of this call to our BindAdapter handler.
//
NdisZeroMemory(pAdapt, TotalSize);
pAdapt->DeviceName.MaximumLength = Param->ParameterData.StringData.MaximumLength;
pAdapt->DeviceName.Length = Param->ParameterData.StringData.Length;
pAdapt->DeviceName.Buffer = (PWCHAR)((ULONG_PTR)pAdapt + sizeof(ADAPT));
NdisMoveMemory(pAdapt->DeviceName.Buffer,
Param->ParameterData.StringData.Buffer,
Param->ParameterData.StringData.MaximumLength);
NdisInitializeEvent(&pAdapt->Event);
//
// Allocate a packet pool for sends. We need this to pass sends down.
// We cannot use the same packet descriptor that came down to our send
// handler (see also NDIS 5.1 packet stacking).
//
NdisAllocatePacketPoolEx(Status,
&pAdapt->SendPacketPoolHandle,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE - MIN_PACKET_POOL_SIZE,
sizeof(SEND_RSVD));
if (*Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Allocate a packet pool for receives. We need this to indicate receives.
// Same consideration as sends (see also NDIS 5.1 packet stacking).
//
NdisAllocatePacketPoolEx(Status,
&pAdapt->RecvPacketPoolHandle,
MIN_PACKET_POOL_SIZE,
MAX_PACKET_POOL_SIZE - MIN_PACKET_POOL_SIZE,
PROTOCOL_RESERVED_SIZE_IN_PACKET);
if (*Status != NDIS_STATUS_SUCCESS)
{
break;
}
//
// Now open the adapter below and complete the initialization
//
NdisOpenAdapter(Status,
&Sts,
&pAdapt->BindingHandle,
&MediumIndex,
MediumArray,
sizeof(MediumArray)/sizeof(NDIS_MEDIUM),
ProtHandle,
pAdapt,
DeviceName,
0,
NULL);
if (*Status == NDIS_STATUS_PENDING)
{
NdisWaitEvent(&pAdapt->Event, 0);
*Status = pAdapt->Status;
}
if (*Status != NDIS_STATUS_SUCCESS)
{
break;
}
pAdapt->Medium = MediumArray[MediumIndex];
//
// Now ask NDIS to initialize our miniport (upper) edge.
// Set the flag below to synchronize with a possible call
// to our protocol Unbind handler that may come in before
// our miniport initialization happens.
//
pAdapt->MiniportInitPending = TRUE;
NdisInitializeEvent(&pAdapt->MiniportInitEvent);
*Status = NdisIMInitializeDeviceInstanceEx(DriverHandle,
&pAdapt->DeviceName,
pAdapt);
if (*Status != NDIS_STATUS_SUCCESS)
{
DBGPRINT(("BindAdapter: Adapt %p, IMInitializeDeviceInstance error %x\n",
pAdapt, *Status));
break;
}
} while(FALSE);
//
// Close the configuration handle now - see comments above with
// the call to NdisIMInitializeDeviceInstanceEx.
//
if (ConfigHandle != NULL)
{
NdisCloseConfiguration(ConfigHandle);
}
if (*Status != NDIS_STATUS_SUCCESS)
{
if (pAdapt != NULL)
{
if (pAdapt->BindingHandle != NULL)
{
NDIS_STATUS LocalStatus;
//
// Close the binding we opened above.
//
NdisCloseAdapter(&LocalStatus, pAdapt->BindingHandle);
pAdapt->BindingHandle = NULL;
if (LocalStatus == NDIS_STATUS_PENDING)
{
NdisWaitEvent(&pAdapt->Event, 0);
LocalStatus = pAdapt->Status;
}
}
if (pAdapt->SendPacketPoolHandle != NULL)
{
NdisFreePacketPool(pAdapt->SendPacketPoolHandle);
}
if (pAdapt->RecvPacketPoolHandle != NULL)
{
NdisFreePacketPool(pAdapt->RecvPacketPoolHandle);
}
NdisFreeMemory(pAdapt, sizeof(ADAPT), 0);
pAdapt = NULL;
}
}
DBGPRINT(("<== Protocol BindAdapter: pAdapt %p, Status %x\n", pAdapt, *Status));
}
VOID NDIS_API PacketBindAdapter(OUT PNDIS_STATUS pStatus,
IN NDIS_HANDLE BindAdapterContext,
IN PNDIS_STRING pAdapterName,
IN PVOID SystemSpecific1,
IN PVOID SystemSpecific2)
{
// bind this driver to a NIC
POPEN_INSTANCE oiNew;
NDIS_STATUS ErrorStatus, AllocStatus;
UINT Medium;
NDIS_MEDIUM MediumArray = NdisMedium802_3;
UINT i;
// allocate some memory for the open structure
NdisAllocateMemory((PVOID *)&oiNew, sizeof(OPEN_INSTANCE), 0, -1);
if (oiNew == NULL) { // not enough memory
*pStatus = NDIS_STATUS_RESOURCES;
return;
}
NdisZeroMemory((PVOID)oiNew, sizeof(OPEN_INSTANCE));
// Save Binding Context
oiNew->BindAdapterContext = BindAdapterContext;
// Save the device handle
oiNew->hDevice = (DWORD)SystemSpecific1;
// Allocate a packet pool for our xmit and receive packets
NdisAllocatePacketPool(&AllocStatus,
&(oiNew->PacketPool),
TRANSMIT_PACKETS,
sizeof(PACKET_RESERVED));
if (AllocStatus != NDIS_STATUS_SUCCESS) { // not enough memory
NdisFreeMemory(oiNew, sizeof(OPEN_INSTANCE), 0);
*pStatus = NDIS_STATUS_RESOURCES;
return;
}
// Allocate a buffer pool for our xmit and receive buffers
NdisAllocateBufferPool(&AllocStatus, &(oiNew->BufferPool), TRANSMIT_PACKETS);
if (AllocStatus != NDIS_STATUS_SUCCESS) { // not enough memory
NdisFreeMemory(oiNew, sizeof(OPEN_INSTANCE), 0);
*pStatus = NDIS_STATUS_RESOURCES;
return;
}
// list to hold irp's that want to reset the adapter
NdisAllocateSpinLock(&oiNew->ResetSpinLock);
InitializeListHead(&oiNew->ResetIrpList);
// Initialize list for holding pending read requests
NdisAllocateSpinLock(&oiNew->RcvQSpinLock);
InitializeListHead(&oiNew->RcvList);
// Initialize the request list
NdisAllocateSpinLock(&oiNew->RequestSpinLock);
InitializeListHead(&oiNew->RequestList);
// link up the request stored in our open block
for (i = 0; i < MAX_REQUESTS; i++) {
// Braces are required as InsertTailList macro has multiple statements in it
InsertTailList(&oiNew->RequestList, &oiNew->Requests[i].Reserved.ListElement);
}
// Try to open the MAC
NdisOpenAdapter(pStatus, &ErrorStatus, &oiNew->AdapterHandle, &Medium, &MediumArray, 1,
GlobalDeviceExtension->NdisProtocolHandle, oiNew, pAdapterName, 0, NULL);
// Save the status returned by NdisOpenAdapter for completion routine
oiNew->Status = *pStatus;
switch (*pStatus) {
case NDIS_STATUS_PENDING:
break;
case NDIS_STATUS_SUCCESS:
ErrorStatus = NDIS_STATUS_SUCCESS;
// fall through to completion routine with oiNew->Status
// set to !NDIS_STATUS_PENDING
default:
PacketBindAdapterComplete(oiNew, *pStatus, ErrorStatus);
break;
}
}
DWORD PacketOpen(PNDIS_STRING AdapterName,DWORD dwDDB,DWORD hDevice,PDIOCPARAMETERS pDiocParms)
{
LARGE_INTEGER SystemTime;
__int64 ltime1;
PDEVICE_EXTENSION pde;
POPEN_INSTANCE oiNew;
NDIS_STATUS nsErrorStatus, nsOpenStatus;
UINT i;
UINT uiMedium;
NDIS_STRING NameStr;
NDIS_STATUS Status;
pde = GlobalDeviceExtension;
/*Allocate an element that describe an adapter*/
NdisAllocateMemory( (PVOID *)&oiNew, sizeof( OPEN_INSTANCE ), 0, -1 );
if ( oiNew == NULL )
{
return NDIS_STATUS_FAILURE;
}
NdisZeroMemory( (PVOID)oiNew, sizeof( OPEN_INSTANCE ) );
/*allocate a pool for the packet headers*/
NdisAllocatePacketPool( &nsErrorStatus,
&(oiNew->PacketPool),
TRANSMIT_PACKETS,
sizeof(PACKET_RESERVED) );
IF_TRACE_MSG( "PACKET_RESERVED_a :%lx",sizeof(PACKET_RESERVED));
if ( nsErrorStatus != NDIS_STATUS_SUCCESS )
{
IF_TRACE_MSG( "Failed to allocate packet pool AllocStatus=%x", nsErrorStatus );
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
TRACE_LEAVE( "BindAdapter" );
return NDIS_STATUS_FAILURE;
}
/*allocate a buffer pool for the packet data*/
NdisAllocateBufferPool( &nsErrorStatus,
&(oiNew->BufferPool),
TRANSMIT_PACKETS );
if ( nsErrorStatus != NDIS_STATUS_SUCCESS )
{
IF_TRACE_MSG( "Failed to allocate packet pool AllocStatus=%x", nsErrorStatus );
NdisFreePacketPool( oiNew->PacketPool );
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
TRACE_LEAVE( "BindAdapter" );
return NDIS_STATUS_FAILURE;
}
NdisAllocateSpinLock( &(oiNew->ResetSpinLock) );
InitializeListHead( &(oiNew->ResetIrpList) );
NdisAllocateSpinLock( &(oiNew->RcvQSpinLock) );
InitializeListHead( &(oiNew->RcvList) );
NdisAllocateSpinLock( &(oiNew->RequestSpinLock) );
InitializeListHead( &(oiNew->RequestList) );
for ( i=0; i<MAX_REQUESTS; i++ )
{
InsertTailList( &(oiNew->RequestList), &(oiNew->Requests[i].Reserved.ListElement) );
}
oiNew->Status = NDIS_STATUS_PENDING;
/*initialize the timer variables for this session*/
SystemTime=GetDate();
ltime1=((__int64)SystemTime.HighPart*86400);
ltime1+=(__int64)(SystemTime.LowPart/1000); //current time from 1980 in seconds
ltime1+=(__int64)315532800; //current time from 1970 (Unix format) in seconds
ltime1*=1193182;
ltime1+=(SystemTime.LowPart%1000)*1193182/1000; //current time from 1970 in ticks
ltime1-=QuerySystemTime(); //boot time from 1970 in ticks
oiNew->StartTime=ltime1;
oiNew->Dropped=0; //reset the dropped packets counter
oiNew->Received=0; //reset the received packets counter
oiNew->bpfprogram=NULL; //set an accept-all filter
oiNew->bpfprogramlen=0;
oiNew->BufSize=0; //set an empty buffer
oiNew->Buffer=NULL; //reset the buffer
oiNew->Bhead=0;
oiNew->Btail=0;
oiNew->BLastByte=0;
oiNew->TimeOut=0; //reset the timeouts
oiNew->ReadTimeoutTimer=0;
oiNew->mode=0; //set capture mode
oiNew->Nbytes=0; //reset the counters
oiNew->Npackets=0;
oiNew->hDevice=hDevice;
oiNew->tagProcess=pDiocParms->tagProcess;
oiNew->ReadEvent=0; //reset the read event
NdisAllocateSpinLock( &(oiNew->CountersLock) );
/*open the MAC driver calling NDIS*/
NdisOpenAdapter( &nsOpenStatus,
&nsErrorStatus,
&oiNew->AdapterHandle,
&uiMedium,
MediumArray,
NUM_NDIS_MEDIA,
pde->NdisProtocolHandle,
oiNew,
AdapterName,
0,
NULL );
IF_TRACE_MSG( "Open Status : %lx", nsOpenStatus );
IF_TRACE_MSG( "Error Status : %lx", nsErrorStatus );
IF_TRACE_MSG( "Completion Status : %lx", oiNew->Status );
if ( nsOpenStatus == NDIS_STATUS_PENDING )
{
while ( oiNew->Status == NDIS_STATUS_PENDING )
YieldExecution();
}
else
{
PacketOpenAdapterComplete( oiNew, nsOpenStatus, nsErrorStatus );
}
Status = oiNew->Status;
if ( Status != NDIS_STATUS_SUCCESS )
{
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
return NDIS_STATUS_FAILURE;
}
else
{
}
TRACE_LEAVE( "BindAdapter" );
/*return succesfully*/
return STATUS_SUCCESS;
}
/************************************************************
Function used by NDIS to update the VXD when a new MAC driver
is added
************************************************************/
VOID NDIS_API PacketBindAdapter( OUT PNDIS_STATUS Status,
IN NDIS_HANDLE BindAdapterContext,
IN PNDIS_STRING AdapterName,
IN PVOID SystemSpecific1,
IN PVOID SystemSpecific2 )
{
PDEVICE_EXTENSION pde;
POPEN_INSTANCE oiNew;
NDIS_STATUS nsErrorStatus, nsOpenStatus;
UINT uiMedium;
UINT i;
PWRAPPER_PROTOCOL_BLOCK pWPBlock;
PNDIS_PROTOCOL_CHARACTERISTICS pNPChar;
PADAPTER_NAME AName;
PWRAPPER_MAC_BLOCK pWMBlock;
PNDIS_MAC_CHARACTERISTICS pNMChar;
BYTE *lpzName;
TRACE_ENTER( "BindAdapter" );
pde = GlobalDeviceExtension;
/*Allocate an element that describe an adapter*/
NdisAllocateMemory( (PVOID *)&AName, sizeof(ADAPTER_NAME), 0, -1 );
if ( AName == NULL )
{
*Status = NDIS_STATUS_RESOURCES;
return;
}
NdisAllocateMemory( (PVOID *)&oiNew, sizeof( OPEN_INSTANCE ), 0, -1 );
if ( oiNew == NULL )
{
*Status = NDIS_STATUS_RESOURCES;
return;
}
NdisZeroMemory( (PVOID)oiNew, sizeof( OPEN_INSTANCE ) );
/*Save Binding Context*/
oiNew->BindAdapterContext = BindAdapterContext;
/*Save the device handle*/
oiNew->hDevice = (DWORD) SystemSpecific1;
/*allocate a pool for the packet headers*/
NdisAllocatePacketPool( &nsErrorStatus,
&(oiNew->PacketPool),
TRANSMIT_PACKETS,
sizeof(PACKET_RESERVED) );
IF_TRACE_MSG( "PACKET_RESERVED_b :%lx",sizeof(PACKET_RESERVED));
if ( nsErrorStatus != NDIS_STATUS_SUCCESS )
{
IF_TRACE_MSG( "Failed to allocate packet pool AllocStatus=%x", nsErrorStatus );
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
*Status = NDIS_STATUS_RESOURCES;
TRACE_LEAVE( "BindAdapter" );
return;
}
/*allocate a pool for the packet data*/
NdisAllocateBufferPool( &nsErrorStatus,
&(oiNew->BufferPool),
TRANSMIT_PACKETS );
if ( nsErrorStatus != NDIS_STATUS_SUCCESS )
{
IF_TRACE_MSG( "Failed to allocate packet pool AllocStatus=%x", nsErrorStatus );
NdisFreePacketPool( oiNew->PacketPool );
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
*Status = NDIS_STATUS_RESOURCES;
TRACE_LEAVE( "BindAdapter" );
return;
}
NdisAllocateSpinLock( &(oiNew->ResetSpinLock) );
InitializeListHead( &(oiNew->ResetIrpList) );
NdisAllocateSpinLock( &(oiNew->RcvQSpinLock) );
InitializeListHead( &(oiNew->RcvList) );
NdisAllocateSpinLock( &(oiNew->RequestSpinLock) );
InitializeListHead( &(oiNew->RequestList) );
for ( i=0; i<MAX_REQUESTS; i++ )
{
InsertTailList( &(oiNew->RequestList), &(oiNew->Requests[i].Reserved.ListElement) );
}
oiNew->Status = NDIS_STATUS_PENDING;
oiNew->BindAdapterContext = BindAdapterContext;
/*open the MAC driver calling NDIS*/
oiNew->hDevice=0;
oiNew->tagProcess=0;
NdisOpenAdapter( &nsOpenStatus,
&nsErrorStatus,
&oiNew->AdapterHandle,
&uiMedium,
MediumArray,
NUM_NDIS_MEDIA,
pde->NdisProtocolHandle,
oiNew,
AdapterName,
0,
NULL );
IF_TRACE_MSG( "Open Status : %lx", nsOpenStatus );
IF_TRACE_MSG( "Error Status : %lx", nsErrorStatus );
IF_TRACE_MSG( "Completion Status : %lx", oiNew->Status );
if ( nsOpenStatus == NDIS_STATUS_PENDING )
{
while ( oiNew->Status == NDIS_STATUS_PENDING )
YieldExecution();
}
else
{
PacketOpenAdapterComplete( oiNew, nsOpenStatus, nsErrorStatus );
}
pWPBlock = ((PWRAPPER_OPEN_BLOCK)(oiNew->AdapterHandle))->ProtocolHandle;
pNPChar = &pWPBlock->ProtocolCharacteristics;
IF_TRACE_MSG( "Protocol : %s", pNPChar->Name.Buffer );
IF_TRACE_MSG( "Protocol Handle : %lx", pde->NdisProtocolHandle );
IF_TRACE_MSG( "PWRAPPER_OPEN_BLOCK : %lx", oiNew->AdapterHandle );
IF_TRACE_MSG( "PWRAPPER_PROTOCOL_BLOCK : %lx", pWPBlock );
IF_TRACE_MSG( "NDIS_PROTOCOL_CHARACTERISTICS : %lx", pNPChar );
IF_TRACE_MSG( "Name : %lx", &pNPChar->Name );
IF_TRACE_MSG( "Adapter Name : %s", AdapterName->Buffer );
*Status = oiNew->Status;
if ( *Status != NDIS_STATUS_SUCCESS )
{
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
IF_TRACE( "Bind Operation FAILED!" );
}
else
{
AName->realnamestr.Length=AdapterName->Length;
AName->realnamestr.MaximumLength=AdapterName->MaximumLength;
AName->realnamestr.Buffer=AName->realname;
for(i=0; i<32; i++)AName->realname[i]=AdapterName->Buffer[i];
pWMBlock = ((PWRAPPER_OPEN_BLOCK)(oiNew->AdapterHandle))->MacHandle;
pNMChar = &pWMBlock->MacCharacteristics;
lpzName = pNMChar->Name.Buffer;
for(i=0; i<32; i++)AName->devicename[i]=lpzName[i];
InsertTailList( &GlobalDeviceExtension->AdapterNames, &AName->ListElement);
//close the adapter
NdisCloseAdapter(&nsErrorStatus,oiNew->AdapterHandle);
if ( nsErrorStatus == NDIS_STATUS_PENDING )
{
while ( oiNew->Status == NDIS_STATUS_PENDING )
YieldExecution();
}
else
{
PacketUnbindAdapterComplete( oiNew, nsErrorStatus );
}
*Status = oiNew->Status;
if ( *Status == NDIS_STATUS_SUCCESS )
{
//remove this adapter from the list of open adapters
RemoveEntryList(&(oiNew->ListElement));
//free the memory
NdisFreeMemory( oiNew, sizeof( OPEN_INSTANCE ) , 0 );
}
else
{
IF_TRACE( "Close Operation FAILED!" );
}
}
TRACE_LEAVE( "BindAdapter" );
return;
}
/*
* Opens the specified adapter and binds the protocol to it
*
* Arguments
* AdapterName - The name of the adapter with which binding should happen
*
* Return Value
* Return TRUE if successfully bound otherwise returns FALSE
*
*/
BOOL PKTOpenAdapter (PNDIS_STRING pAdapterName)
{
POPEN_INSTANCE pOI;
NDIS_STATUS nsOpen;
NDIS_STATUS nsError;
SYSTEMTIME SystemTime;
FILETIME FileTime;
LARGE_INTEGER liSysTime;
LARGE_INTEGER TimeFreq;
LARGE_INTEGER PTime;
UINT uiMedium;
// Check if an instance is already opened
if (g_pDeviceExtension->pOpenInstance) {
SetLastError (ERROR_ALREADY_INITIALIZED);
return FALSE;
}
// Time initialization
GetSystemTime (&SystemTime);
if (! (SystemTimeToFileTime (&SystemTime, &FileTime) &&
QueryPerformanceCounter (&PTime) && QueryPerformanceFrequency (&TimeFreq))) {
return FALSE;
}
NdisMoveMemory (&liSysTime, &FileTime, sizeof (LARGE_INTEGER));
// allocate an instance that describes the adapter
NdisAllocateMemory (&pOI, sizeof (OPEN_INSTANCE), 0, NDIS_ADDR_M1);
if (pOI == NULL) {
return FALSE;
}
NdisZeroMemory (pOI, sizeof (OPEN_INSTANCE));
// init struct variables
pOI->bpfprogram = NULL; //set an accept-all filter
pOI->bpfprogramlen = 0;
pOI->BufSize = 0; //set an empty buffer
pOI->Buffer = NULL; //reset the buffer
pOI->Bhead = 0;
pOI->Btail = 0;
pOI->BLastByte = 0;
pOI->TimeOut = 0; //reset the timeouts
// create the shared name read event
pOI->ReadEvent = CreateEvent (NULL, FALSE, FALSE, SH_EVENT_NAME);
if (pOI->ReadEvent == NULL) {
NdisFreeMemory (pOI, sizeof (OPEN_INSTANCE), 0);
return FALSE;
}
// set time values
pOI->StartTime.QuadPart = (((liSysTime.QuadPart) % 10000000) * TimeFreq.QuadPart)/10000000;
liSysTime.QuadPart = liSysTime.QuadPart / 10000000 - 11644473600;
pOI->StartTime.QuadPart += (liSysTime.QuadPart) * TimeFreq.QuadPart - PTime.QuadPart;
// allocate pool for the packet headers
NdisAllocatePacketPool (&nsError, &(pOI->PacketPool),
TRANSMIT_PACKETS, sizeof (PACKET_RESERVED));
if (nsError != NDIS_STATUS_SUCCESS) {
CloseHandle (pOI->ReadEvent);
NdisFreeMemory (pOI, sizeof (OPEN_INSTANCE), 0);
return FALSE;
}
// allocate buffer pool for the packet data
NdisAllocateBufferPool (&nsError, &(pOI->BufferPool), TRANSMIT_PACKETS);
if (nsError != NDIS_STATUS_SUCCESS) {
CloseHandle (pOI->ReadEvent);
NdisFreePacketPool (pOI->PacketPool);
NdisFreeMemory (pOI, sizeof (OPEN_INSTANCE), 0);
return FALSE;
}
// set status pending
pOI->Status = NDIS_STATUS_PENDING;
// open the MAC driver
NdisOpenAdapter (&nsOpen, &nsError, &pOI->AdapterHandle, &uiMedium, MediumArray,
NUM_NDIS_MEDIA, g_pDeviceExtension->NdisProtocolHandle, pOI, pAdapterName, 0, NULL);
if (nsOpen == NDIS_STATUS_PENDING) {
SuspendExecution (pOI);
} else {
PacketOpenAdapterComplete (pOI, nsOpen, nsError);
}
// free the packet instance if not successful
if (pOI->Status != NDIS_STATUS_SUCCESS) {
CloseHandle (pOI->ReadEvent);
NdisFreeMemory (pOI, sizeof (OPEN_INSTANCE), 0);
return FALSE;
}
return TRUE;
}