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# Openclos.c

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    00001 /*
    00002  * Copyright (c) 1999 - 2003
    00003  * NetGroup, Politecnico di Torino (Italy)
    00004  * All rights reserved.
    00005  *
    00006  * Redistribution and use in source and binary forms, with or without
    00007  * modification, are permitted provided that the following conditions
    00008  * are met:
    00009  *
    00010  * 1. Redistributions of source code must retain the above copyright
    00011  * notice, this list of conditions and the following disclaimer.
    00012  * 2. Redistributions in binary form must reproduce the above copyright
    00013  * notice, this list of conditions and the following disclaimer in the
    00014  * documentation and/or other materials provided with the distribution.
    00015  * 3. Neither the name of the Politecnico di Torino nor the names of its
    00016  * contributors may be used to endorse or promote products derived from
    00017  * this software without specific prior written permission.
    00018  *
    00019  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    00020  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    00021  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    00022  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    00023  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    00024  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    00025  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    00026  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    00027  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    00028  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    00029  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    00030  *
    00031  */
    00032
    00033 #include "ntddk.h"
    00034 #include "ntiologc.h"
    00035 #include "ndis.h"
    00036
    00037 #include "debug.h"
    00038 #include "packet.h"
    00039
    00040 static NDIS_MEDIUM MediumArray[] = {
    00041     NdisMedium802_3,
    00042 //  NdisMediumWan,
    00043     NdisMediumFddi,
    00044     NdisMediumArcnet878_2,
    00045     NdisMediumAtm,
    00046     NdisMedium802_5
    00047 };
    00048
    00049 #define NUM_NDIS_MEDIA  (sizeof MediumArray / sizeof MediumArray[0])
    00050
    00051 ULONG NamedEventsCounter=0;
    00052
    00053 //Itoa. Replaces the buggy RtlIntegerToUnicodeString
    00054 void PacketItoa(UINT n,PUCHAR buf){
    00055 int i;
    00056
    00057     for(i=0;i<20;i+=2){
    00058         buf[18-i]=(n%10)+48;
    00059         buf[19-i]=0;
    00060         n/=10;
    00061     }
    00062
    00063 }
    00064
    00066 struct time_conv G_Start_Time = {
    00067     0,
    00068     {0, 0},
    00069 };
    00070
    00071 UINT n_Opened_Instances = 0;
    00072
    00073 NDIS_SPIN_LOCK Opened_Instances_Lock;
    00074
    00075 //-------------------------------------------------------------------
    00076
    00077 NTSTATUS NPF_Open(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
    00078 {
    00079
    00080     PDEVICE_EXTENSION DeviceExtension;
    00081
    00082     POPEN_INSTANCE    Open;
    00083
    00084     PIO_STACK_LOCATION  IrpSp;
    00085
    00086     NDIS_STATUS     Status;
    00087     NDIS_STATUS     ErrorStatus;
    00088     UINT            i;
    00089     PUCHAR          tpointer;
    00090     PLIST_ENTRY     PacketListEntry;
    00091     PCHAR           EvName;
    00092
    00093     IF_LOUD(DbgPrint("NPF: OpenAdapter\n");)
    00094
    00095     DeviceExtension = DeviceObject->DeviceExtension;
    00096
    00097     IrpSp = IoGetCurrentIrpStackLocation(Irp);
    00098
    00099     //  allocate some memory for the open structure
    00100     Open=ExAllocatePoolWithTag(NonPagedPool, sizeof(OPEN_INSTANCE), '0OWA');
    00101
    00102     if (Open==NULL) {
    00103         // no memory
    00104         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
    00105         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00106         return STATUS_INSUFFICIENT_RESOURCES;
    00107     }
    00108
    00109     RtlZeroMemory(
    00110         Open,
    00111         sizeof(OPEN_INSTANCE)
    00112         );
    00113
    00114
    00115     EvName=ExAllocatePoolWithTag(NonPagedPool, sizeof(L"\\BaseNamedObjects\\NPF0000000000"), '1OWA');
    00116
    00117     if (EvName==NULL) {
    00118         // no memory
    00119         ExFreePool(Open);
    00120         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
    00121         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00122         return STATUS_INSUFFICIENT_RESOURCES;
    00123     }
    00124
    00125     //  Save or open here
    00126     IrpSp->FileObject->FsContext=Open;
    00127
    00128     Open->DeviceExtension=DeviceExtension;
    00129
    00130
    00131     //  Save the Irp here for the completeion routine to retrieve
    00132     Open->OpenCloseIrp=Irp;
    00133
    00134     //  Allocate a packet pool for our xmit and receive packets
    00135     NdisAllocatePacketPool(
    00136         &Status,
    00137         &Open->PacketPool,
    00138         TRANSMIT_PACKETS,
    00139         sizeof(PACKET_RESERVED));
    00140
    00141
    00142     if (Status != NDIS_STATUS_SUCCESS) {
    00143
    00144         IF_LOUD(DbgPrint("NPF: Failed to allocate packet pool\n");)
    00145
    00146         ExFreePool(Open);
    00147         ExFreePool(EvName);
    00148         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
    00149         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00150         return STATUS_INSUFFICIENT_RESOURCES;
    00151     }
    00152
    00153
    00154     RtlCopyBytes(EvName,L"\\BaseNamedObjects\\NPF0000000000",sizeof(L"\\BaseNamedObjects\\NPF0000000000"));
    00155
    00156     //Create the string containing the name of the read event
    00157     RtlInitUnicodeString(&Open->ReadEventName,(PCWSTR) EvName);
    00158
    00159     PacketItoa(NamedEventsCounter,(PUCHAR)(Open->ReadEventName.Buffer+21));
    00160
    00161     InterlockedIncrement(&NamedEventsCounter);
    00162
    00163     IF_LOUD(DbgPrint("\nCreated the named event for the read; name=%ws, counter=%d\n", Open->ReadEventName.Buffer,NamedEventsCounter-1);)
    00164
    00165     //allocate the event objects
    00166     Open->ReadEvent=IoCreateNotificationEvent(&Open->ReadEventName,&Open->ReadEventHandle);
    00167     if(Open->ReadEvent==NULL){
    00168         ExFreePool(Open);
    00169         ExFreePool(EvName);
    00170         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
    00171         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00172         return STATUS_INSUFFICIENT_RESOURCES;
    00173     }
    00174
    00175     KeInitializeEvent(Open->ReadEvent, NotificationEvent, FALSE);
    00176     KeClearEvent(Open->ReadEvent);
    00177     NdisInitializeEvent(&Open->WriteEvent);
    00178     NdisInitializeEvent(&Open->IOEvent);
    00179     NdisInitializeEvent(&Open->DumpEvent);
    00180     NdisInitializeEvent(&Open->IOEvent);
    00181     NdisAllocateSpinLock(&Open->MachineLock);
    00182     NdisAllocateSpinLock(&Open->WriteLock);
    00183     Open->WriteInProgress = FALSE;
    00184
    00185     //  list to hold irp's want to reset the adapter
    00186     InitializeListHead(&Open->ResetIrpList);
    00187
    00188
    00189     //  Initialize the request list
    00190     KeInitializeSpinLock(&Open->RequestSpinLock);
    00191     InitializeListHead(&Open->RequestList);
    00192
    00193     // Initializes the extended memory of the NPF machine
    00194     Open->mem_ex.buffer = ExAllocatePoolWithTag(NonPagedPool, DEFAULT_MEM_EX_SIZE, '2OWA');
    00195     if((Open->mem_ex.buffer) == NULL)
    00196     {
    00197         // no memory
    00198         ExFreePool(Open);
    00199         ExFreePool(EvName);
    00200         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
    00201         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00202         return STATUS_INSUFFICIENT_RESOURCES;
    00203     }
    00204
    00205     Open->mem_ex.size = DEFAULT_MEM_EX_SIZE;
    00206     RtlZeroMemory(Open->mem_ex.buffer, DEFAULT_MEM_EX_SIZE);
    00207
    00208     //
    00209     // Initialize the open instance
    00210     //
    00211 //  Open->BufSize = 0;
    00212 //  Open->Buffer = NULL;
    00213 //  Open->Bhead = 0;
    00214 //  Open->Btail = 0;
    00215 //  (INT)Open->BLastByte = -1;
    00216 //  Open->Dropped = 0;      //reset the dropped packets counter
    00217 //  Open->Received = 0;     //reset the received packets counter
    00218 //  Open->Accepted = 0;     //reset the accepted packets counter
    00219     Open->bpfprogram = NULL;    //reset the filter
    00220     Open->mode = MODE_CAPT;
    00221     Open->Nbytes.QuadPart = 0;
    00222     Open->Npackets.QuadPart = 0;
    00223     Open->Nwrites = 1;
    00224     Open->Multiple_Write_Counter = 0;
    00225     Open->MinToCopy = 0;
    00226     Open->TimeOut.QuadPart = (LONGLONG)1;
    00227     Open->Bound = TRUE;
    00228     Open->DumpFileName.Buffer = NULL;
    00229     Open->DumpFileHandle = NULL;
    00230     Open->tme.active = TME_NONE_ACTIVE;
    00231     Open->DumpLimitReached = FALSE;
    00232     Open->MaxFrameSize = 0;
    00233     Open->WriterSN=0;
    00234     Open->ReaderSN=0;
    00235     Open->Size=0;
    00236
    00237
    00238
    00239     //allocate the spinlock for the statistic counters
    00240     NdisAllocateSpinLock(&Open->CountersLock);
    00241
    00242     //allocate the spinlock for the buffer pointers
    00243     //    NdisAllocateSpinLock(&Open->BufLock);
    00244
    00245     //
    00246     //  link up the request stored in our open block
    00247     //
    00248     for (i=0;i<MAX_REQUESTS;i++) {
    00249         ExInterlockedInsertTailList(
    00250             &Open->RequestList,
    00251             &Open->Requests[i].ListElement,
    00252             &Open->RequestSpinLock);
    00253
    00254     }
    00255
    00256
    00257     IoMarkIrpPending(Irp);
    00258
    00259     //
    00260     //  Try to open the MAC
    00261     //
    00262     IF_LOUD(DbgPrint("NPF: Openinig the device %ws, BindingContext=%d\n",DeviceExtension->AdapterName.Buffer, Open);)
    00263
    00264     NdisOpenAdapter(
    00265         &Status,
    00266         &ErrorStatus,
    00267         &Open->AdapterHandle,
    00268         &Open->Medium,
    00269         MediumArray,
    00270         NUM_NDIS_MEDIA,
    00271         DeviceExtension->NdisProtocolHandle,
    00272         Open,
    00273         &DeviceExtension->AdapterName,
    00274         0,
    00275         NULL);
    00276
    00277     IF_LOUD(DbgPrint("NPF: Opened the device, Status=%x\n",Status);)
    00278
    00279     if (Status != NDIS_STATUS_PENDING)
    00280     {
    00281         NPF_OpenAdapterComplete(Open,Status,NDIS_STATUS_SUCCESS);
    00282     }
    00283
    00284     return(STATUS_PENDING);
    00285 }
    00286
    00287 //-------------------------------------------------------------------
    00288
    00289 VOID NPF_OpenAdapterComplete(
    00290     IN NDIS_HANDLE  ProtocolBindingContext,
    00291     IN NDIS_STATUS  Status,
    00292     IN NDIS_STATUS  OpenErrorStatus)
    00293 {
    00294
    00295     PIRP                Irp;
    00296     POPEN_INSTANCE      Open;
    00297     PLIST_ENTRY         RequestListEntry;
    00298     PINTERNAL_REQUEST   MaxSizeReq;
    00299     NDIS_STATUS         ReqStatus;
    00300
    00301
    00302     IF_LOUD(DbgPrint("NPF: OpenAdapterComplete\n");)
    00303
    00304     Open= (POPEN_INSTANCE)ProtocolBindingContext;
    00305
    00306     //
    00307     //  get the open irp
    00308     //
    00309     Irp=Open->OpenCloseIrp;
    00310
    00311     if (Status != NDIS_STATUS_SUCCESS) {
    00312
    00313         IF_LOUD(DbgPrint("NPF: OpenAdapterComplete-FAILURE\n");)
    00314
    00315         NdisFreePacketPool(Open->PacketPool);
    00316
    00317         //free mem_ex
    00318         Open->mem_ex.size = 0;
    00319         if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
    00320
    00321         ExFreePool(Open->ReadEventName.Buffer);
    00322
    00323         ZwClose(Open->ReadEventHandle);
    00324
    00325
    00326         ExFreePool(Open);
    00327     }
    00328     else {
    00329         NdisAcquireSpinLock(&Opened_Instances_Lock);
    00330         n_Opened_Instances++;
    00331         NdisReleaseSpinLock(&Opened_Instances_Lock);
    00332
    00333         IF_LOUD(DbgPrint("Opened Instances:%d", n_Opened_Instances);)
    00334
    00335         // Get the absolute value of the system boot time.
    00336         // This is used for timestamp conversion.
    00337         TIME_SYNCHRONIZE(&G_Start_Time);
    00338
    00339         // Extract a request from the list of free ones
    00340         RequestListEntry=ExInterlockedRemoveHeadList(&Open->RequestList, &Open->RequestSpinLock);
    00341
    00342         if (RequestListEntry == NULL)
    00343         {
    00344
    00345             Open->MaxFrameSize = 1514;  // Assume Ethernet
    00346
    00347             Irp->IoStatus.Status = Status;
    00348             Irp->IoStatus.Information = 0;
    00349             IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00350
    00351             return;
    00352         }
    00353
    00354         MaxSizeReq = CONTAINING_RECORD(RequestListEntry, INTERNAL_REQUEST, ListElement);
    00355         MaxSizeReq->Irp = Irp;
    00356         MaxSizeReq->Internal = TRUE;
    00357
    00358
    00359         MaxSizeReq->Request.RequestType = NdisRequestQueryInformation;
    00360         MaxSizeReq->Request.DATA.QUERY_INFORMATION.Oid = OID_GEN_MAXIMUM_TOTAL_SIZE;
    00361
    00362
    00363         MaxSizeReq->Request.DATA.QUERY_INFORMATION.InformationBuffer = &Open->MaxFrameSize;
    00364         MaxSizeReq->Request.DATA.QUERY_INFORMATION.InformationBufferLength = 4;
    00365
    00366         //  submit the request
    00367         NdisRequest(
    00368             &ReqStatus,
    00369             Open->AdapterHandle,
    00370             &MaxSizeReq->Request);
    00371
    00372
    00373         if (ReqStatus != NDIS_STATUS_PENDING) {
    00374             NPF_RequestComplete(Open, &MaxSizeReq->Request, ReqStatus);
    00375         }
    00376
    00377         return;
    00378
    00379     }
    00380
    00381     Irp->IoStatus.Status = Status;
    00382     Irp->IoStatus.Information = 0;
    00383     IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00384
    00385     return;
    00386
    00387 }
    00388
    00389 //-------------------------------------------------------------------
    00390
    00391 NTSTATUS
    00392 NPF_Close(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp)
    00393 {
    00394
    00395     POPEN_INSTANCE    Open;
    00396     NDIS_STATUS     Status;
    00397     PIO_STACK_LOCATION  IrpSp;
    00398     LARGE_INTEGER ThreadDelay;
    00399
    00400     IF_LOUD(DbgPrint("NPF: CloseAdapter\n");)
    00401
    00402     IrpSp = IoGetCurrentIrpStackLocation(Irp);
    00403
    00404     Open=IrpSp->FileObject->FsContext;
    00405
    00406     // Reset the buffer size. This tells the dump thread to stop.
    00407 //  Open->BufSize = 0;
    00408
    00409     if( Open->Bound == FALSE){
    00410
    00411         NdisWaitEvent(&Open->IOEvent,10000);
    00412
    00413         // Free the filter if it's present
    00414         if(Open->bpfprogram != NULL)
    00415             ExFreePool(Open->bpfprogram);
    00416
    00417         // Free the jitted filter if it's present
    00418         if(Open->Filter != NULL)
    00419             BPF_Destroy_JIT_Filter(Open->Filter);
    00420
    00421         //free the buffer
    00422 //      Open->BufSize=0;
    00423 //      if(Open->Buffer != NULL)ExFreePool(Open->Buffer);
    00424
    00425         if (Open->Size > 0)
    00426             ExFreePool(Open->CpuData[0].Buffer);
    00427
    00428         //free mem_ex
    00429         Open->mem_ex.size = 0;
    00430         if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
    00431
    00432         NdisFreePacketPool(Open->PacketPool);
    00433
    00434         // Free the string with the name of the dump file
    00435         if(Open->DumpFileName.Buffer!=NULL)
    00436             ExFreePool(Open->DumpFileName.Buffer);
    00437
    00438         ExFreePool(Open->ReadEventName.Buffer);
    00439         ExFreePool(Open);
    00440
    00441         Irp->IoStatus.Information = 0;
    00442         Irp->IoStatus.Status = STATUS_SUCCESS;
    00443         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00444
    00445         return(STATUS_SUCCESS);
    00446     }
    00447
    00448     // Unfreeze the consumer
    00449     if(Open->mode & MODE_DUMP)
    00450         NdisSetEvent(&Open->DumpEvent);
    00451     else
    00452         KeSetEvent(Open->ReadEvent,0,FALSE);
    00453
    00454     // Save the IRP
    00455     Open->OpenCloseIrp = Irp;
    00456
    00457     IoMarkIrpPending(Irp);
    00458
    00459     // If this instance is in dump mode, complete the dump and close the file
    00460     if((Open->mode & MODE_DUMP) && Open->DumpFileHandle != NULL){
    00461
    00462         NTSTATUS wres;
    00463
    00464         ThreadDelay.QuadPart = -50000000;
    00465         // Wait the completion of the thread
    00466         wres = KeWaitForSingleObject(Open->DumpThreadObject,
    00467                 UserRequest,
    00468                 KernelMode,
    00469                 TRUE,
    00470                 &ThreadDelay);
    00471
    00472         ObDereferenceObject(Open->DumpThreadObject);
    00473
    00474
    00475         // Flush and close the dump file
    00476         NPF_CloseDumpFile(Open);
    00477     }
    00478
    00479     // Destroy the read Event
    00480     ZwClose(Open->ReadEventHandle);
    00481
    00482     // Close the adapter
    00483     NdisCloseAdapter(
    00484         &Status,
    00485         Open->AdapterHandle
    00486         );
    00487
    00488     if (Status != NDIS_STATUS_PENDING) {
    00489
    00490         NPF_CloseAdapterComplete(
    00491             Open,
    00492             Status
    00493             );
    00494         return STATUS_SUCCESS;
    00495
    00496     }
    00497
    00498     return(STATUS_PENDING);
    00499 }
    00500
    00501 //-------------------------------------------------------------------
    00502
    00503 VOID
    00504 NPF_CloseAdapterComplete(IN NDIS_HANDLE  ProtocolBindingContext,IN NDIS_STATUS  Status)
    00505 {
    00506     POPEN_INSTANCE    Open;
    00507     PIRP              Irp;
    00508
    00509     IF_LOUD(DbgPrint("NPF: CloseAdapterComplete\n");)
    00510
    00511     Open= (POPEN_INSTANCE)ProtocolBindingContext;
    00512
    00513     // free the allocated structures only if the instance is still bound to the adapter
    00514     if(Open->Bound == TRUE){
    00515
    00516         // Free the filter if it's present
    00517         if(Open->bpfprogram != NULL)
    00518             ExFreePool(Open->bpfprogram);
    00519
    00520         // Free the jitted filter if it's present
    00521         if(Open->Filter != NULL)
    00522             BPF_Destroy_JIT_Filter(Open->Filter);
    00523
    00524         //free the buffer
    00525 //      Open->BufSize = 0;
    00526 //      if(Open->Buffer!=NULL)ExFreePool(Open->Buffer);
    00527
    00528         if (Open->Size > 0)
    00529             ExFreePool(Open->CpuData[0].Buffer);
    00530
    00531         //free mem_ex
    00532         Open->mem_ex.size = 0;
    00533         if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
    00534
    00535         NdisFreePacketPool(Open->PacketPool);
    00536
    00537         Irp=Open->OpenCloseIrp;
    00538
    00539         // Free the string with the name of the dump file
    00540         if(Open->DumpFileName.Buffer!=NULL)
    00541             ExFreePool(Open->DumpFileName.Buffer);
    00542
    00543         ExFreePool(Open->ReadEventName.Buffer);
    00544         ExFreePool(Open);
    00545
    00546         // Complete the request only if the instance is still bound to the adapter
    00547         Irp->IoStatus.Status = STATUS_SUCCESS;
    00548         Irp->IoStatus.Information = 0;
    00549         IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00550     }
    00551     else
    00552         NdisSetEvent(&Open->IOEvent);
    00553
    00554     // Decrease the counter of open instances
    00555     NdisAcquireSpinLock(&Opened_Instances_Lock);
    00556     n_Opened_Instances--;
    00557     NdisReleaseSpinLock(&Opened_Instances_Lock);
    00558
    00559     IF_LOUD(DbgPrint("Opened Instances:%d", n_Opened_Instances);)
    00560
    00561     if(n_Opened_Instances == 0){
    00562         // Force a synchronization at the next NPF_Open().
    00563         // This hopefully avoids the synchronization issues caused by hibernation or standby.
    00564         TIME_DESYNCHRONIZE(&G_Start_Time);
    00565     }
    00566
    00567     return;
    00568
    00569 }
    00570 //-------------------------------------------------------------------
    00571
    00572 #ifdef NDIS50
    00573 NDIS_STATUS
    00574 NPF_PowerChange(IN NDIS_HANDLE ProtocolBindingContext, IN PNET_PNP_EVENT pNetPnPEvent)
    00575 {
    00576     IF_LOUD(DbgPrint("NPF: PowerChange\n");)
    00577
    00578     TIME_DESYNCHRONIZE(&G_Start_Time);
    00579
    00580     TIME_SYNCHRONIZE(&G_Start_Time);
    00581
    00582     return STATUS_SUCCESS;
    00583 }
    00584 #endif
    00585
    00586 //-------------------------------------------------------------------
    00587
    00588 VOID
    00589 NPF_BindAdapter(
    00590     OUT PNDIS_STATUS            Status,
    00591     IN  NDIS_HANDLE             BindContext,
    00592     IN  PNDIS_STRING            DeviceName,
    00593     IN  PVOID                   SystemSpecific1,
    00594     IN  PVOID                   SystemSpecific2
    00595     )
    00596 {
    00597     IF_LOUD(DbgPrint("NPF: NPF_BindAdapter\n");)
    00598 }
    00599
    00600 //-------------------------------------------------------------------
    00601
    00602 VOID
    00603 NPF_UnbindAdapter(
    00604     OUT PNDIS_STATUS        Status,
    00605     IN  NDIS_HANDLE         ProtocolBindingContext,
    00606     IN  NDIS_HANDLE         UnbindContext
    00607     )
    00608 {
    00609     POPEN_INSTANCE   Open =(POPEN_INSTANCE)ProtocolBindingContext;
    00610     NDIS_STATUS      lStatus;
    00611
    00612     IF_LOUD(DbgPrint("NPF: NPF_UnbindAdapter\n");)
    00613
    00614     // Reset the buffer size. This tells the dump thread to stop.
    00615 //  Open->BufSize=0;
    00616
    00617     NdisResetEvent(&Open->IOEvent);
    00618
    00619     // This open instance is no more bound to the adapter, set Bound to False
    00620     InterlockedExchange( (PLONG) &Open->Bound, FALSE );
    00621
    00622     // Awake a possible pending read on this instance
    00623     if(Open->mode & MODE_DUMP)
    00624         NdisSetEvent(&Open->DumpEvent);
    00625     else
    00626         KeSetEvent(Open->ReadEvent,0,FALSE);
    00627
    00628     // If this instance is in dump mode, complete the dump and close the file
    00629     if((Open->mode & MODE_DUMP) && Open->DumpFileHandle != NULL)
    00630         NPF_CloseDumpFile(Open);
    00631
    00632     // Destroy the read Event
    00633     ZwClose(Open->ReadEventHandle);
    00634
    00635     //  close the adapter
    00636     NdisCloseAdapter(
    00637         &lStatus,
    00638         Open->AdapterHandle
    00639         );
    00640
    00641     if (lStatus != NDIS_STATUS_PENDING) {
    00642
    00643         NPF_CloseAdapterComplete(
    00644             Open,
    00645             lStatus
    00646             );
    00647
    00648         *Status = NDIS_STATUS_SUCCESS;
    00649         return;
    00650
    00651     }
    00652
    00653     *Status = NDIS_STATUS_SUCCESS;
    00654     return;
    00655 }
    00656
    00657 //-------------------------------------------------------------------
    00658
    00659 VOID
    00660 NPF_ResetComplete(IN NDIS_HANDLE  ProtocolBindingContext,IN NDIS_STATUS  Status)
    00661
    00662 {
    00663     POPEN_INSTANCE      Open;
    00664     PIRP                Irp;
    00665
    00666     PLIST_ENTRY         ResetListEntry;
    00667
    00668     IF_LOUD(DbgPrint("NPF: PacketResetComplte\n");)
    00669
    00670     Open= (POPEN_INSTANCE)ProtocolBindingContext;
    00671
    00672
    00673     //
    00674     //  remove the reset IRP from the list
    00675     //
    00676     ResetListEntry=ExInterlockedRemoveHeadList(
    00677                        &Open->ResetIrpList,
    00678                        &Open->RequestSpinLock
    00679                        );
    00680
    00681 #if DBG
    00682     if (ResetListEntry == NULL) {
    00683         DbgBreakPoint();
    00684         return;
    00685     }
    00686 #endif
    00687
    00688     Irp=CONTAINING_RECORD(ResetListEntry,IRP,Tail.Overlay.ListEntry);
    00689
    00690     Irp->IoStatus.Status = STATUS_SUCCESS;
    00691     IoCompleteRequest(Irp, IO_NO_INCREMENT);
    00692
    00693     IF_LOUD(DbgPrint("NPF: PacketResetComplte exit\n");)
    00694
    00695     return;
    00696
    00697 }

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