drivers/net/npf/openclos.c

   1 /*
   2  * Copyright (c) 1999, 2000
   3  *      Politecnico di Torino.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the Politecnico
  13  * di Torino, and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21
  22 #ifdef _MSC_VER
  23 #include "ntddk.h"
  24 #include "ntiologc.h"
  25 #include "ndis.h"
  26 #else
  27 #include <ddk/ntddk.h>
  28 #include <net/ndis.h>
  29 #endif
  30 #include "debug.h"
  31 #include "packet.h"
  32
  33 static NDIS_MEDIUM MediumArray[] = {
  34         NdisMedium802_3,
  35         NdisMediumWan,
  36         NdisMediumFddi,
  37         NdisMediumArcnet878_2,
  38         NdisMediumAtm,
  39         NdisMedium802_5
  40 };
  41
  42 #define NUM_NDIS_MEDIA  (sizeof MediumArray / sizeof MediumArray[0])
  43
  44 ULONG NamedEventsCounter=0;
  45
  46 //Itoa. Replaces the buggy RtlIntegerToUnicodeString
  47 void PacketItoa(UINT n,PUCHAR buf){
  48 int i;
  49
  50         for(i=0;i<20;i+=2){
  51                 buf[18-i]=(n%10)+48;
  52                 buf[19-i]=0;
  53                 n/=10;
  54         }
  55
  56 }
  57
  58 /// Global start time. Used as an absolute reference for timestamp conversion.
  59 struct time_conv G_Start_Time = {
  60         0,
  61         {0, 0},
  62 };
  63
  64 UINT n_Opened_Instances = 0;
  65
  66 NDIS_SPIN_LOCK Opened_Instances_Lock;
  67
  68 //-------------------------------------------------------------------
  69
  70 NTSTATUS STDCALL
  71 NPF_Open(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
  72 {
  73
  74     PDEVICE_EXTENSION DeviceExtension;
  75
  76     POPEN_INSTANCE    Open;
  77
  78     PIO_STACK_LOCATION  IrpSp;
  79
  80     NDIS_STATUS     Status;
  81     NDIS_STATUS     ErrorStatus;
  82     UINT            i;
  83         PUCHAR                  tpointer;
  84     PLIST_ENTRY     PacketListEntry;
  85         PCHAR                   EvName;
  86
  87     IF_LOUD(DbgPrint("NPF: OpenAdapter\n");)
  88
  89     DeviceExtension = DeviceObject->DeviceExtension;
  90
  91
  92     IrpSp = IoGetCurrentIrpStackLocation(Irp);
  93
  94     //  allocate some memory for the open structure
  95 #define NPF_TAG_OPENSTRUCT  TAG('0', 'O', 'W', 'A')
  96     Open=ExAllocatePoolWithTag(NonPagedPool, sizeof(OPEN_INSTANCE), NPF_TAG_OPENSTRUCT);
  97
  98
  99     if (Open==NULL) {
 100         // no memory
 101         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
 102         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 103         return STATUS_INSUFFICIENT_RESOURCES;
 104     }
 105
 106     RtlZeroMemory(
 107         Open,
 108         sizeof(OPEN_INSTANCE)
 109         );
 110
 111
 112 #define NPF_TAG_EVNAME  TAG('1', 'O', 'W', 'A')
 113         EvName=ExAllocatePoolWithTag(NonPagedPool, sizeof(L"\\BaseNamedObjects\\NPF0000000000"), NPF_TAG_EVNAME);
 114
 115     if (EvName==NULL) {
 116         // no memory
 117         ExFreePool(Open);
 118             Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
 119         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 120         return STATUS_INSUFFICIENT_RESOURCES;
 121     }
 122
 123     //  Save or open here
 124     IrpSp->FileObject->FsContext=Open;
 125
 126     Open->DeviceExtension=DeviceExtension;
 127
 128
 129     //  Save the Irp here for the completeion routine to retrieve
 130     Open->OpenCloseIrp=Irp;
 131
 132     //  Allocate a packet pool for our xmit and receive packets
 133     NdisAllocatePacketPool(
 134         &Status,
 135         &Open->PacketPool,
 136         TRANSMIT_PACKETS,
 137         sizeof(PACKET_RESERVED));
 138
 139
 140     if (Status != NDIS_STATUS_SUCCESS) {
 141
 142         IF_LOUD(DbgPrint("NPF: Failed to allocate packet pool\n");)
 143
 144                 ExFreePool(Open);
 145                 ExFreePool(EvName);
 146         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
 147         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 148         return STATUS_INSUFFICIENT_RESOURCES;
 149     }
 150
 151
 152         RtlCopyBytes(EvName,L"\\BaseNamedObjects\\NPF0000000000",sizeof(L"\\BaseNamedObjects\\NPF0000000000"));
 153
 154         //Create the string containing the name of the read event
 155         RtlInitUnicodeString(&Open->ReadEventName,(PCWSTR) EvName);
 156
 157         PacketItoa(NamedEventsCounter,(PUCHAR)(Open->ReadEventName.Buffer+21));
 158
 159         InterlockedIncrement(&NamedEventsCounter);
 160
 161         IF_LOUD(DbgPrint("\nCreated the named event for the read; name=%ws, counter=%d\n", Open->ReadEventName.Buffer,NamedEventsCounter-1);)
 162
 163         //allocate the event objects
 164         Open->ReadEvent=IoCreateNotificationEvent(&Open->ReadEventName,&Open->ReadEventHandle);
 165         if(Open->ReadEvent==NULL){
 166                 ExFreePool(Open);
 167                 ExFreePool(EvName);
 168         Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
 169         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 170         return STATUS_INSUFFICIENT_RESOURCES;
 171         }
 172
 173         KeInitializeEvent(Open->ReadEvent, NotificationEvent, FALSE);
 174         KeClearEvent(Open->ReadEvent);
 175         NdisInitializeEvent(&Open->WriteEvent);
 176         NdisInitializeEvent(&Open->IOEvent);
 177         NdisInitializeEvent(&Open->DumpEvent);
 178         NdisInitializeEvent(&Open->IOEvent);
 179         NdisAllocateSpinLock(&Open->machine_lock);
 180
 181
 182     //  list to hold irp's want to reset the adapter
 183     InitializeListHead(&Open->ResetIrpList);
 184
 185
 186     //  Initialize the request list
 187     KeInitializeSpinLock(&Open->RequestSpinLock);
 188     InitializeListHead(&Open->RequestList);
 189
 190         // Initializes the extended memory of the NPF machine
 191 #define NPF_TAG_MACHINE  TAG('2', 'O', 'W', 'A')
 192         Open->mem_ex.buffer = ExAllocatePoolWithTag(NonPagedPool, DEFAULT_MEM_EX_SIZE, NPF_TAG_MACHINE);
 193         if((Open->mem_ex.buffer) == NULL)
 194         {
 195         // no memory
 196         ExFreePool(Open);
 197                 ExFreePool(EvName);
 198             Irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
 199         IoCompleteRequest(Irp, IO_NO_INCREMENT);
 200         return STATUS_INSUFFICIENT_RESOURCES;
 201     }
 202
 203         Open->mem_ex.size = DEFAULT_MEM_EX_SIZE;
 204         RtlZeroMemory(Open->mem_ex.buffer, DEFAULT_MEM_EX_SIZE);
 205
 206         //
 207         // Initialize the open instance
 208         //
 209         Open->BufSize = 0;
 210         Open->Buffer = NULL;
 211         Open->Bhead = 0;
 212         Open->Btail = 0;
 213         (INT)Open->BLastByte = -1;
 214         Open->Dropped = 0;              //reset the dropped packets counter
 215         Open->Received = 0;             //reset the received packets counter
 216         Open->Accepted = 0;             //reset the accepted packets counter
 217         Open->bpfprogram = NULL;        //reset the filter
 218         Open->mode = MODE_CAPT;
 219         Open->Nbytes.QuadPart = 0;
 220         Open->Npackets.QuadPart = 0;
 221         Open->Nwrites = 1;
 222         Open->Multiple_Write_Counter = 0;
 223         Open->MinToCopy = 0;
 224         Open->TimeOut.QuadPart = (LONGLONG)1;
 225         Open->Bound = TRUE;
 226         Open->DumpFileName.Buffer = NULL;
 227         Open->DumpFileHandle = NULL;
 228         Open->tme.active = TME_NONE_ACTIVE;
 229         Open->DumpLimitReached = FALSE;
 230         Open->MaxFrameSize = 0;
 231
 232         //allocate the spinlock for the statistic counters
 233     NdisAllocateSpinLock(&Open->CountersLock);
 234
 235         //allocate the spinlock for the buffer pointers
 236     NdisAllocateSpinLock(&Open->BufLock);
 237
 238     //
 239     //  link up the request stored in our open block
 240     //
 241     for (i=0;i<MAX_REQUESTS;i++) {
 242         ExInterlockedInsertTailList(
 243             &Open->RequestList,
 244             &Open->Requests[i].ListElement,
 245             &Open->RequestSpinLock);
 246
 247     }
 248
 249
 250     IoMarkIrpPending(Irp);
 251
 252     //
 253     //  Try to open the MAC
 254     //
 255     IF_LOUD(DbgPrint("NPF: Openinig the device %ws, BindingContext=%d\n",DeviceExtension->AdapterName.Buffer, Open);)
 256
 257         NdisOpenAdapter(
 258         &Status,
 259         &ErrorStatus,
 260         &Open->AdapterHandle,
 261         &Open->Medium,
 262         MediumArray,
 263         NUM_NDIS_MEDIA,
 264         DeviceExtension->NdisProtocolHandle,
 265         Open,
 266         &DeviceExtension->AdapterName,
 267         0,
 268         NULL);
 269
 270     IF_LOUD(DbgPrint("NPF: Opened the device, Status=%x\n",Status);)
 271
 272         if (Status != NDIS_STATUS_PENDING)
 273     {
 274                 NPF_OpenAdapterComplete(Open,Status,NDIS_STATUS_SUCCESS);
 275     }
 276
 277     return(STATUS_PENDING);
 278 }
 279
 280 //-------------------------------------------------------------------
 281
 282 VOID NPF_OpenAdapterComplete(
 283         IN NDIS_HANDLE  ProtocolBindingContext,
 284     IN NDIS_STATUS  Status,
 285     IN NDIS_STATUS  OpenErrorStatus)
 286 {
 287
 288     PIRP                Irp;
 289     POPEN_INSTANCE      Open;
 290     PLIST_ENTRY                 RequestListEntry;
 291         PINTERNAL_REQUEST       MaxSizeReq;
 292         NDIS_STATUS                     ReqStatus;
 293
 294
 295     IF_LOUD(DbgPrint("NPF: OpenAdapterComplete\n");)
 296
 297     Open= (POPEN_INSTANCE)ProtocolBindingContext;
 298
 299     //
 300     //  get the open irp
 301     //
 302     Irp=Open->OpenCloseIrp;
 303
 304     if (Status != NDIS_STATUS_SUCCESS) {
 305
 306         IF_LOUD(DbgPrint("NPF: OpenAdapterComplete-FAILURE\n");)
 307
 308         NdisFreePacketPool(Open->PacketPool);
 309
 310                 //free mem_ex
 311                 Open->mem_ex.size = 0;
 312                 if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
 313
 314                 ExFreePool(Open->ReadEventName.Buffer);
 315
 316                 ZwClose(Open->ReadEventHandle);
 317
 318
 319         ExFreePool(Open);
 320     }
 321         else {
 322                 NdisAcquireSpinLock(&Opened_Instances_Lock);
 323                 n_Opened_Instances++;
 324                 NdisReleaseSpinLock(&Opened_Instances_Lock);
 325
 326                 IF_LOUD(DbgPrint("Opened Instances:%d", n_Opened_Instances);)
 327
 328                 // Get the absolute value of the system boot time.
 329                 // This is used for timestamp conversion.
 330                 TIME_SYNCHRONIZE(&G_Start_Time);
 331
 332                 // Extract a request from the list of free ones
 333                 RequestListEntry=ExInterlockedRemoveHeadList(&Open->RequestList, &Open->RequestSpinLock);
 334
 335                 if (RequestListEntry == NULL)
 336                 {
 337
 338                     Open->MaxFrameSize = 1514;  // Assume Ethernet
 339
 340                         Irp->IoStatus.Status = Status;
 341                     Irp->IoStatus.Information = 0;
 342                     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 343
 344                     return;
 345                 }
 346
 347                 MaxSizeReq = CONTAINING_RECORD(RequestListEntry, INTERNAL_REQUEST, ListElement);
 348                 MaxSizeReq->Irp = Irp;
 349                 MaxSizeReq->Internal = TRUE;
 350
 351
 352                 MaxSizeReq->Request.RequestType = NdisRequestQueryInformation;
 353                 MaxSizeReq->Request.DATA.QUERY_INFORMATION.Oid = OID_GEN_MAXIMUM_TOTAL_SIZE;
 354
 355
 356                 MaxSizeReq->Request.DATA.QUERY_INFORMATION.InformationBuffer = &Open->MaxFrameSize;
 357                 MaxSizeReq->Request.DATA.QUERY_INFORMATION.InformationBufferLength = 4;
 358
 359                 //  submit the request
 360                 NdisRequest(
 361                         &ReqStatus,
 362                         Open->AdapterHandle,
 363                         &MaxSizeReq->Request);
 364
 365
 366                 if (ReqStatus != NDIS_STATUS_PENDING) {
 367                         NPF_RequestComplete(Open, &MaxSizeReq->Request, ReqStatus);
 368                 }
 369
 370                 return;
 371
 372         }
 373
 374     Irp->IoStatus.Status = Status;
 375     Irp->IoStatus.Information = 0;
 376     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 377
 378     return;
 379
 380 }
 381
 382 //-------------------------------------------------------------------
 383
 384 NTSTATUS STDCALL
 385 NPF_Close(IN PDEVICE_OBJECT DeviceObject,IN PIRP Irp)
 386 {
 387
 388     POPEN_INSTANCE    Open;
 389     NDIS_STATUS     Status;
 390     PIO_STACK_LOCATION  IrpSp;
 391         LARGE_INTEGER ThreadDelay;
 392
 393     IF_LOUD(DbgPrint("NPF: CloseAdapter\n");)
 394
 395         IrpSp = IoGetCurrentIrpStackLocation(Irp);
 396
 397     Open=IrpSp->FileObject->FsContext;
 398
 399         // Reset the buffer size. This tells the dump thread to stop.
 400         Open->BufSize = 0;
 401
 402         if( Open->Bound == FALSE){
 403
 404                 NdisWaitEvent(&Open->IOEvent,10000);
 405
 406                 // Free the filter if it's present
 407                 if(Open->bpfprogram != NULL)
 408                         ExFreePool(Open->bpfprogram);
 409
 410                 // Free the jitted filter if it's present
 411                 if(Open->Filter != NULL)
 412                         BPF_Destroy_JIT_Filter(Open->Filter);
 413
 414                 //free the buffer
 415                 Open->BufSize=0;
 416                 if(Open->Buffer != NULL)ExFreePool(Open->Buffer);
 417
 418                 //free mem_ex
 419                 Open->mem_ex.size = 0;
 420                 if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
 421
 422                 NdisFreePacketPool(Open->PacketPool);
 423
 424                 // Free the string with the name of the dump file
 425                 if(Open->DumpFileName.Buffer!=NULL)
 426                         ExFreePool(Open->DumpFileName.Buffer);
 427
 428                 ExFreePool(Open->ReadEventName.Buffer);
 429                 ExFreePool(Open);
 430
 431                 Irp->IoStatus.Information = 0;
 432                 Irp->IoStatus.Status = STATUS_SUCCESS;
 433                 IoCompleteRequest(Irp, IO_NO_INCREMENT);
 434
 435                 return(STATUS_SUCCESS);
 436         }
 437
 438         // Unfreeze the consumer
 439         if(Open->mode & MODE_DUMP)
 440                 NdisSetEvent(&Open->DumpEvent);
 441         else
 442                 KeSetEvent(Open->ReadEvent,0,FALSE);
 443
 444     // Save the IRP
 445     Open->OpenCloseIrp = Irp;
 446
 447     IoMarkIrpPending(Irp);
 448
 449         // If this instance is in dump mode, complete the dump and close the file
 450         if((Open->mode & MODE_DUMP) && Open->DumpFileHandle != NULL){
 451                 NTSTATUS wres;
 452
 453                 ThreadDelay.QuadPart = -50000000;
 454                 // Wait the completion of the thread
 455                 wres = KeWaitForSingleObject(Open->DumpThreadObject,
 456                                 UserRequest,
 457                                 KernelMode,
 458                                 TRUE,
 459                                 &ThreadDelay);
 460
 461                 ObDereferenceObject(Open->DumpThreadObject);
 462
 463
 464                 // Flush and close the dump file
 465                 NPF_CloseDumpFile(Open);
 466         }
 467
 468         // Destroy the read Event
 469         ZwClose(Open->ReadEventHandle);
 470
 471         // Close the adapter
 472         NdisCloseAdapter(
 473                 &Status,
 474                 Open->AdapterHandle
 475                 );
 476
 477         if (Status != NDIS_STATUS_PENDING) {
 478
 479                 NPF_CloseAdapterComplete(
 480                         Open,
 481                         Status
 482                         );
 483                 return STATUS_SUCCESS;
 484
 485         }
 486
 487         return(STATUS_PENDING);
 488 }
 489
 490 //-------------------------------------------------------------------
 491
 492 VOID
 493 NPF_CloseAdapterComplete(IN NDIS_HANDLE  ProtocolBindingContext,IN NDIS_STATUS  Status)
 494 {
 495     POPEN_INSTANCE    Open;
 496     PIRP              Irp;
 497
 498     IF_LOUD(DbgPrint("NPF: CloseAdapterComplete\n");)
 499
 500     Open= (POPEN_INSTANCE)ProtocolBindingContext;
 501
 502         // free the allocated structures only if the instance is still bound to the adapter
 503         if(Open->Bound == TRUE){
 504
 505                 // Free the filter if it's present
 506                 if(Open->bpfprogram != NULL)
 507                         ExFreePool(Open->bpfprogram);
 508
 509                 // Free the jitted filter if it's present
 510                 if(Open->Filter != NULL)
 511                         BPF_Destroy_JIT_Filter(Open->Filter);
 512
 513                 //free the buffer
 514                 Open->BufSize = 0;
 515                 if(Open->Buffer!=NULL)ExFreePool(Open->Buffer);
 516
 517                 //free mem_ex
 518                 Open->mem_ex.size = 0;
 519                 if(Open->mem_ex.buffer != NULL)ExFreePool(Open->mem_ex.buffer);
 520
 521                 NdisFreePacketPool(Open->PacketPool);
 522
 523                 Irp=Open->OpenCloseIrp;
 524
 525                 // Free the string with the name of the dump file
 526                 if(Open->DumpFileName.Buffer!=NULL)
 527                         ExFreePool(Open->DumpFileName.Buffer);
 528
 529                 ExFreePool(Open->ReadEventName.Buffer);
 530                 ExFreePool(Open);
 531
 532                 // Complete the request only if the instance is still bound to the adapter
 533                 Irp->IoStatus.Status = STATUS_SUCCESS;
 534                 Irp->IoStatus.Information = 0;
 535                 IoCompleteRequest(Irp, IO_NO_INCREMENT);
 536         }
 537         else
 538                 NdisSetEvent(&Open->IOEvent);
 539
 540         // Decrease the counter of open instances
 541         NdisAcquireSpinLock(&Opened_Instances_Lock);
 542         n_Opened_Instances--;
 543         NdisReleaseSpinLock(&Opened_Instances_Lock);
 544
 545         IF_LOUD(DbgPrint("Opened Instances:%d", n_Opened_Instances);)
 546
 547         if(n_Opened_Instances == 0){
 548                 // Force a synchronization at the next NPF_Open().
 549                 // This hopefully avoids the synchronization issues caused by hibernation or standby.
 550                 TIME_DESYNCHRONIZE(&G_Start_Time);
 551         }
 552
 553         return;
 554
 555 }
 556 //-------------------------------------------------------------------
 557
 558 #ifdef NDIS50
 559 NDIS_STATUS
 560 NPF_PowerChange(IN NDIS_HANDLE ProtocolBindingContext, IN PNET_PNP_EVENT pNetPnPEvent)
 561 {
 562     IF_LOUD(DbgPrint("NPF: PowerChange\n");)
 563
 564         TIME_DESYNCHRONIZE(&G_Start_Time);
 565
 566         TIME_SYNCHRONIZE(&G_Start_Time);
 567
 568         return STATUS_SUCCESS;
 569 }
 570 #endif
 571
 572 //-------------------------------------------------------------------
 573
 574 VOID
 575 NPF_BindAdapter(
 576     OUT PNDIS_STATUS            Status,
 577     IN  NDIS_HANDLE             BindContext,
 578     IN  PNDIS_STRING            DeviceName,
 579     IN  PVOID                   SystemSpecific1,
 580     IN  PVOID                   SystemSpecific2
 581     )
 582 {
 583         IF_LOUD(DbgPrint("NPF: NPF_BindAdapter\n");)
 584 }
 585
 586 //-------------------------------------------------------------------
 587
 588 VOID
 589 NPF_UnbindAdapter(
 590     OUT PNDIS_STATUS        Status,
 591     IN  NDIS_HANDLE         ProtocolBindingContext,
 592     IN  NDIS_HANDLE         UnbindContext
 593     )
 594 {
 595     POPEN_INSTANCE   Open =(POPEN_INSTANCE)ProtocolBindingContext;
 596         NDIS_STATUS              lStatus;
 597
 598         IF_LOUD(DbgPrint("NPF: NPF_UnbindAdapter\n");)
 599
 600         // Reset the buffer size. This tells the dump thread to stop.
 601         Open->BufSize=0;
 602
 603         NdisResetEvent(&Open->IOEvent);
 604
 605         // This open instance is no more bound to the adapter, set Bound to False
 606     InterlockedExchange( (PLONG) &Open->Bound, FALSE );
 607
 608         // Awake a possible pending read on this instance
 609         if(Open->mode & MODE_DUMP)
 610                 NdisSetEvent(&Open->DumpEvent);
 611         else
 612                 KeSetEvent(Open->ReadEvent,0,FALSE);
 613
 614         // If this instance is in dump mode, complete the dump and close the file
 615         if((Open->mode & MODE_DUMP) && Open->DumpFileHandle != NULL)
 616                 NPF_CloseDumpFile(Open);
 617
 618         // Destroy the read Event
 619         ZwClose(Open->ReadEventHandle);
 620
 621     //  close the adapter
 622     NdisCloseAdapter(
 623         &lStatus,
 624         Open->AdapterHandle
 625             );
 626
 627     if (lStatus != NDIS_STATUS_PENDING) {
 628
 629         NPF_CloseAdapterComplete(
 630             Open,
 631             lStatus
 632             );
 633
 634                 *Status = NDIS_STATUS_SUCCESS;
 635         return;
 636
 637     }
 638
 639         *Status = NDIS_STATUS_SUCCESS;
 640     return;
 641 }
 642
 643 //-------------------------------------------------------------------
 644
 645 VOID
 646 NPF_ResetComplete(IN NDIS_HANDLE  ProtocolBindingContext,IN NDIS_STATUS  Status)
 647
 648 {
 649     POPEN_INSTANCE      Open;
 650     PIRP                Irp;
 651
 652     PLIST_ENTRY         ResetListEntry;
 653
 654     IF_LOUD(DbgPrint("NPF: PacketResetComplte\n");)
 655
 656     Open= (POPEN_INSTANCE)ProtocolBindingContext;
 657
 658
 659     //
 660     //  remove the reset IRP from the list
 661     //
 662     ResetListEntry=ExInterlockedRemoveHeadList(
 663                        &Open->ResetIrpList,
 664                        &Open->RequestSpinLock
 665                        );
 666
 667 #if DBG
 668     if (ResetListEntry == NULL) {
 669         DbgBreakPoint();
 670         return;
 671     }
 672 #endif
 673
 674     Irp=CONTAINING_RECORD(ResetListEntry,IRP,Tail.Overlay.ListEntry);
 675
 676     Irp->IoStatus.Status = STATUS_SUCCESS;
 677     IoCompleteRequest(Irp, IO_NO_INCREMENT);
 678
 679     IF_LOUD(DbgPrint("NPF: PacketResetComplte exit\n");)
 680
 681     return;
 682
 683 }