git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2870/common/ba_action.c

   1 /*
   2  *************************************************************************
   3  * Ralink Tech Inc.
   4  * 5F., No.36, Taiyuan St., Jhubei City,
   5  * Hsinchu County 302,
   6  * Taiwan, R.O.C.
   7  *
   8  * (c) Copyright 2002-2007, Ralink Technology, Inc.
   9  *
  10  * This program is free software; you can redistribute it and/or modify  *
  11  * it under the terms of the GNU General Public License as published by  *
  12  * the Free Software Foundation; either version 2 of the License, or     *
  13  * (at your option) any later version.                                   *
  14  *                                                                       *
  15  * This program is distributed in the hope that it will be useful,       *
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  18  * GNU General Public License for more details.                          *
  19  *                                                                       *
  20  * You should have received a copy of the GNU General Public License     *
  21  * along with this program; if not, write to the                         *
  22  * Free Software Foundation, Inc.,                                       *
  23  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  24  *                                                                       *
  25  *************************************************************************
  26  */
  27
  28
  29 #ifdef DOT11_N_SUPPORT
  30
  31 #include "../rt_config.h"
  32
  33
  34
  35 #define BA_ORI_INIT_SEQ         (pEntry->TxSeq[TID]) //1                        // inital sequence number of BA session
  36
  37 #define ORI_SESSION_MAX_RETRY   8
  38 #define ORI_BA_SESSION_TIMEOUT  (2000)  // ms
  39 #define REC_BA_SESSION_IDLE_TIMEOUT     (1000)  // ms
  40
  41 #define REORDERING_PACKET_TIMEOUT               ((100 * HZ)/1000)       // system ticks -- 100 ms
  42 #define MAX_REORDERING_PACKET_TIMEOUT   ((3000 * HZ)/1000)      // system ticks -- 100 ms
  43
  44 #define RESET_RCV_SEQ           (0xFFFF)
  45
  46 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk);
  47
  48
  49 BA_ORI_ENTRY *BATableAllocOriEntry(
  50                                                                   IN  PRTMP_ADAPTER   pAd,
  51                                                                   OUT USHORT          *Idx);
  52
  53 BA_REC_ENTRY *BATableAllocRecEntry(
  54                                                                   IN  PRTMP_ADAPTER   pAd,
  55                                                                   OUT USHORT          *Idx);
  56
  57 VOID BAOriSessionSetupTimeout(
  58     IN PVOID SystemSpecific1,
  59     IN PVOID FunctionContext,
  60     IN PVOID SystemSpecific2,
  61     IN PVOID SystemSpecific3);
  62
  63 VOID BARecSessionIdleTimeout(
  64     IN PVOID SystemSpecific1,
  65     IN PVOID FunctionContext,
  66     IN PVOID SystemSpecific2,
  67     IN PVOID SystemSpecific3);
  68
  69
  70 BUILD_TIMER_FUNCTION(BAOriSessionSetupTimeout);
  71 BUILD_TIMER_FUNCTION(BARecSessionIdleTimeout);
  72
  73 #define ANNOUNCE_REORDERING_PACKET(_pAd, _mpdu_blk)     \
  74                         Announce_Reordering_Packet(_pAd, _mpdu_blk);
  75
  76 VOID BA_MaxWinSizeReasign(
  77         IN PRTMP_ADAPTER        pAd,
  78         IN MAC_TABLE_ENTRY  *pEntryPeer,
  79         OUT UCHAR                       *pWinSize)
  80 {
  81         UCHAR MaxSize;
  82
  83
  84         if (pAd->MACVersion >= RALINK_2883_VERSION) // 3*3
  85         {
  86                 if (pAd->MACVersion >= RALINK_3070_VERSION)
  87                 {
  88                         if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
  89                                 MaxSize = 7; // for non-open mode
  90                         else
  91                                 MaxSize = 13;
  92                 }
  93                 else
  94                         MaxSize = 31;
  95         }
  96         else if (pAd->MACVersion >= RALINK_2880E_VERSION) // 2880 e
  97         {
  98                 if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
  99                         MaxSize = 7; // for non-open mode
 100                 else
 101                         MaxSize = 13;
 102         }
 103         else
 104                 MaxSize = 7;
 105
 106         DBGPRINT(RT_DEBUG_TRACE, ("ba> Win Size = %d, Max Size = %d\n",
 107                         *pWinSize, MaxSize));
 108
 109         if ((*pWinSize) > MaxSize)
 110         {
 111                 DBGPRINT(RT_DEBUG_TRACE, ("ba> reassign max win size from %d to %d\n",
 112                                 *pWinSize, MaxSize));
 113
 114                 *pWinSize = MaxSize;
 115         }
 116 }
 117
 118 void Announce_Reordering_Packet(IN PRTMP_ADAPTER                        pAd,
 119                                                                 IN struct reordering_mpdu       *mpdu)
 120 {
 121         PNDIS_PACKET    pPacket;
 122
 123         pPacket = mpdu->pPacket;
 124
 125         if (mpdu->bAMSDU)
 126         {
 127                 ASSERT(0);
 128                 BA_Reorder_AMSDU_Annnounce(pAd, pPacket);
 129         }
 130         else
 131         {
 132                 //
 133                 // pass this 802.3 packet to upper layer or forward this packet to WM directly
 134                 //
 135
 136 #ifdef CONFIG_STA_SUPPORT
 137                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 138                         ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pPacket, RTMP_GET_PACKET_IF(pPacket));
 139 #endif // CONFIG_STA_SUPPORT //
 140         }
 141 }
 142
 143 /*
 144  * Insert a reordering mpdu into sorted linked list by sequence no.
 145  */
 146 BOOLEAN ba_reordering_mpdu_insertsorted(struct reordering_list *list, struct reordering_mpdu *mpdu)
 147 {
 148
 149         struct reordering_mpdu **ppScan = &list->next;
 150
 151         while (*ppScan != NULL)
 152         {
 153                 if (SEQ_SMALLER((*ppScan)->Sequence, mpdu->Sequence, MAXSEQ))
 154                 {
 155                         ppScan = &(*ppScan)->next;
 156                 }
 157                 else if ((*ppScan)->Sequence == mpdu->Sequence)
 158                 {
 159                         /* give up this duplicated frame */
 160                         return(FALSE);
 161                 }
 162                 else
 163                 {
 164                         /* find position */
 165                         break;
 166                 }
 167         }
 168
 169         mpdu->next = *ppScan;
 170         *ppScan = mpdu;
 171         list->qlen++;
 172         return TRUE;
 173 }
 174
 175
 176 /*
 177  * caller lock critical section if necessary
 178  */
 179 static inline void ba_enqueue(struct reordering_list *list, struct reordering_mpdu *mpdu_blk)
 180 {
 181         list->qlen++;
 182         mpdu_blk->next = list->next;
 183         list->next = mpdu_blk;
 184 }
 185
 186 /*
 187  * caller lock critical section if necessary
 188  */
 189 static inline struct reordering_mpdu * ba_dequeue(struct reordering_list *list)
 190 {
 191         struct reordering_mpdu *mpdu_blk = NULL;
 192
 193         ASSERT(list);
 194
 195                 if (list->qlen)
 196                 {
 197                         list->qlen--;
 198                         mpdu_blk = list->next;
 199                         if (mpdu_blk)
 200                         {
 201                                 list->next = mpdu_blk->next;
 202                                 mpdu_blk->next = NULL;
 203                         }
 204                 }
 205         return mpdu_blk;
 206 }
 207
 208
 209 static inline struct reordering_mpdu  *ba_reordering_mpdu_dequeue(struct reordering_list *list)
 210 {
 211         return(ba_dequeue(list));
 212 }
 213
 214
 215 static inline struct reordering_mpdu  *ba_reordering_mpdu_probe(struct reordering_list *list)
 216         {
 217         ASSERT(list);
 218
 219                 return(list->next);
 220         }
 221
 222
 223 /*
 224  * free all resource for reordering mechanism
 225  */
 226 void ba_reordering_resource_release(PRTMP_ADAPTER pAd)
 227 {
 228         BA_TABLE        *Tab;
 229         PBA_REC_ENTRY   pBAEntry;
 230         struct reordering_mpdu *mpdu_blk;
 231         int i;
 232
 233         Tab = &pAd->BATable;
 234
 235         /* I.  release all pending reordering packet */
 236         NdisAcquireSpinLock(&pAd->BATabLock);
 237         for (i = 0; i < MAX_LEN_OF_BA_REC_TABLE; i++)
 238         {
 239                 pBAEntry = &Tab->BARecEntry[i];
 240                 if (pBAEntry->REC_BA_Status != Recipient_NONE)
 241                 {
 242                         while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
 243                         {
 244                                 ASSERT(mpdu_blk->pPacket);
 245                                 RELEASE_NDIS_PACKET(pAd, mpdu_blk->pPacket, NDIS_STATUS_FAILURE);
 246                                 ba_mpdu_blk_free(pAd, mpdu_blk);
 247                         }
 248                 }
 249         }
 250         NdisReleaseSpinLock(&pAd->BATabLock);
 251
 252         ASSERT(pBAEntry->list.qlen == 0);
 253         /* II. free memory of reordering mpdu table */
 254         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 255         os_free_mem(pAd, pAd->mpdu_blk_pool.mem);
 256         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 257 }
 258
 259
 260
 261 /*
 262  * Allocate all resource for reordering mechanism
 263  */
 264 BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num)
 265 {
 266         int     i;
 267         PUCHAR  mem;
 268         struct reordering_mpdu *mpdu_blk;
 269         struct reordering_list *freelist;
 270
 271         /* allocate spinlock */
 272         NdisAllocateSpinLock(&pAd->mpdu_blk_pool.lock);
 273
 274         /* initialize freelist */
 275         freelist = &pAd->mpdu_blk_pool.freelist;
 276         freelist->next = NULL;
 277         freelist->qlen = 0;
 278
 279         DBGPRINT(RT_DEBUG_TRACE, ("Allocate %d memory for BA reordering\n", (UINT32)(num*sizeof(struct reordering_mpdu))));
 280
 281         /* allocate number of mpdu_blk memory */
 282         os_alloc_mem(pAd, (PUCHAR *)&mem, (num*sizeof(struct reordering_mpdu)));
 283
 284         pAd->mpdu_blk_pool.mem = mem;
 285
 286         if (mem == NULL)
 287         {
 288                 DBGPRINT(RT_DEBUG_ERROR, ("Can't Allocate Memory for BA Reordering\n"));
 289                 return(FALSE);
 290         }
 291
 292         /* build mpdu_blk free list */
 293         for (i=0; i<num; i++)
 294         {
 295                 /* get mpdu_blk */
 296                 mpdu_blk = (struct reordering_mpdu *) mem;
 297                 /* initial mpdu_blk */
 298                 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
 299                 /* next mpdu_blk */
 300                 mem += sizeof(struct reordering_mpdu);
 301                 /* insert mpdu_blk into freelist */
 302                 ba_enqueue(freelist, mpdu_blk);
 303         }
 304
 305         return(TRUE);
 306 }
 307
 308 //static int blk_count=0; // sample take off, no use
 309
 310 static struct reordering_mpdu *ba_mpdu_blk_alloc(PRTMP_ADAPTER pAd)
 311 {
 312         struct reordering_mpdu *mpdu_blk;
 313
 314         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 315         mpdu_blk = ba_dequeue(&pAd->mpdu_blk_pool.freelist);
 316         if (mpdu_blk)
 317         {
 318 //              blk_count++;
 319                 /* reset mpdu_blk */
 320                 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
 321         }
 322         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 323         return mpdu_blk;
 324 }
 325
 326 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk)
 327 {
 328         ASSERT(mpdu_blk);
 329
 330         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 331 //      blk_count--;
 332         ba_enqueue(&pAd->mpdu_blk_pool.freelist, mpdu_blk);
 333         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 334 }
 335
 336
 337 static USHORT ba_indicate_reordering_mpdus_in_order(
 338                                                                                                    IN PRTMP_ADAPTER    pAd,
 339                                                                                                    IN PBA_REC_ENTRY    pBAEntry,
 340                                                                                                    IN USHORT           StartSeq)
 341 {
 342         struct reordering_mpdu *mpdu_blk;
 343         USHORT  LastIndSeq = RESET_RCV_SEQ;
 344
 345         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 346
 347         while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
 348                 {
 349                         /* find in-order frame */
 350                 if (!SEQ_STEPONE(mpdu_blk->Sequence, StartSeq, MAXSEQ))
 351                         {
 352                                 break;
 353                         }
 354                         /* dequeue in-order frame from reodering list */
 355                         mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
 356                         /* pass this frame up */
 357                 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 358                 /* move to next sequence */
 359                         StartSeq = mpdu_blk->Sequence;
 360                 LastIndSeq = StartSeq;
 361                 /* free mpdu_blk */
 362                         ba_mpdu_blk_free(pAd, mpdu_blk);
 363         }
 364
 365         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 366
 367         /* update last indicated sequence */
 368         return LastIndSeq;
 369 }
 370
 371 static void ba_indicate_reordering_mpdus_le_seq(
 372                                                                                            IN PRTMP_ADAPTER    pAd,
 373                                                                                            IN PBA_REC_ENTRY    pBAEntry,
 374                                                                                            IN USHORT           Sequence)
 375 {
 376         struct reordering_mpdu *mpdu_blk;
 377
 378         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 379         while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
 380                 {
 381                         /* find in-order frame */
 382                 if ((mpdu_blk->Sequence == Sequence) || SEQ_SMALLER(mpdu_blk->Sequence, Sequence, MAXSEQ))
 383                 {
 384                         /* dequeue in-order frame from reodering list */
 385                         mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
 386                         /* pass this frame up */
 387                         ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 388                         /* free mpdu_blk */
 389                         ba_mpdu_blk_free(pAd, mpdu_blk);
 390                 }
 391                 else
 392                         {
 393                                 break;
 394                         }
 395         }
 396         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 397 }
 398
 399
 400 static void ba_refresh_reordering_mpdus(
 401                                                                            IN PRTMP_ADAPTER    pAd,
 402                                                                            PBA_REC_ENTRY       pBAEntry)
 403 {
 404         struct reordering_mpdu *mpdu_blk;
 405
 406         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 407
 408                         /* dequeue in-order frame from reodering list */
 409         while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
 410         {
 411                         /* pass this frame up */
 412                 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 413
 414                 pBAEntry->LastIndSeq = mpdu_blk->Sequence;
 415                         ba_mpdu_blk_free(pAd, mpdu_blk);
 416
 417                 /* update last indicated sequence */
 418         }
 419         ASSERT(pBAEntry->list.qlen == 0);
 420         pBAEntry->LastIndSeq = RESET_RCV_SEQ;
 421         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 422 }
 423
 424
 425 //static
 426 void ba_flush_reordering_timeout_mpdus(
 427                                                                         IN PRTMP_ADAPTER    pAd,
 428                                                                         IN PBA_REC_ENTRY    pBAEntry,
 429                                                                         IN ULONG            Now32)
 430
 431 {
 432         USHORT Sequence;
 433
 434 //      if ((RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+REORDERING_PACKET_TIMEOUT)) &&
 435 //               (pBAEntry->list.qlen > ((pBAEntry->BAWinSize*7)/8))) //||
 436 //              (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(10*REORDERING_PACKET_TIMEOUT))) &&
 437 //               (pBAEntry->list.qlen > (pBAEntry->BAWinSize/8)))
 438         if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(MAX_REORDERING_PACKET_TIMEOUT/6)))
 439                  &&(pBAEntry->list.qlen > 1)
 440                 )
 441         {
 442                 DBGPRINT(RT_DEBUG_TRACE,("timeout[%d] (%08lx-%08lx = %d > %d): %x, flush all!\n ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
 443                            (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), MAX_REORDERING_PACKET_TIMEOUT,
 444                            pBAEntry->LastIndSeq));
 445                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 446                 pBAEntry->LastIndSeqAtTimer = Now32;
 447         }
 448         else
 449         if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(REORDERING_PACKET_TIMEOUT)))
 450                 && (pBAEntry->list.qlen > 0)
 451            )
 452                 {
 453                 //
 454                 // force LastIndSeq to shift to LastIndSeq+1
 455                 //
 456                 Sequence = (pBAEntry->LastIndSeq+1) & MAXSEQ;
 457                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
 458                 pBAEntry->LastIndSeqAtTimer = Now32;
 459                         pBAEntry->LastIndSeq = Sequence;
 460                 //
 461                 // indicate in-order mpdus
 462                 //
 463                 Sequence = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, Sequence);
 464                 if (Sequence != RESET_RCV_SEQ)
 465                 {
 466                         pBAEntry->LastIndSeq = Sequence;
 467                 }
 468
 469         }
 470 #if 0
 471         else if (
 472                          (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(MAX_REORDERING_PACKET_TIMEOUT))) &&
 473                           (pBAEntry->list.qlen > 1))
 474                         )
 475                 {
 476                 DBGPRINT(RT_DEBUG_TRACE,("timeout[%d] (%lx-%lx = %d > %d): %x\n ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
 477                            (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), MAX_REORDERING_PACKET_TIMEOUT,
 478                            pBAEntry->LastIndSeq));
 479                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 480                         pBAEntry->LastIndSeqAtTimer = Now32;
 481                                 }
 482 #endif
 483 }
 484
 485
 486 /*
 487  * generate ADDBA request to
 488  * set up BA agreement
 489  */
 490 VOID BAOriSessionSetUp(
 491                                           IN PRTMP_ADAPTER    pAd,
 492                                           IN MAC_TABLE_ENTRY  *pEntry,
 493                                           IN UCHAR            TID,
 494                                           IN USHORT           TimeOut,
 495                                           IN ULONG            DelayTime,
 496                                           IN BOOLEAN          isForced)
 497
 498 {
 499         //MLME_ADDBA_REQ_STRUCT AddbaReq;
 500         BA_ORI_ENTRY            *pBAEntry = NULL;
 501         USHORT                  Idx;
 502         BOOLEAN                 Cancelled;
 503
 504         if ((pAd->CommonCfg.BACapability.field.AutoBA != TRUE)  &&  (isForced == FALSE))
 505                 return;
 506
 507         // if this entry is limited to use legacy tx mode, it doesn't generate BA.
 508         if (RTMPStaFixedTxMode(pAd, pEntry) != FIXED_TXMODE_HT)
 509                 return;
 510
 511         if ((pEntry->BADeclineBitmap & (1<<TID)) && (isForced == FALSE))
 512         {
 513                 // try again after 3 secs
 514                 DelayTime = 3000;
 515 //              printk("DeCline BA from Peer\n");
 516 //              return;
 517         }
 518
 519
 520         Idx = pEntry->BAOriWcidArray[TID];
 521         if (Idx == 0)
 522         {
 523                 // allocate a BA session
 524                 pBAEntry = BATableAllocOriEntry(pAd, &Idx);
 525                 if (pBAEntry == NULL)
 526                 {
 527                         DBGPRINT(RT_DEBUG_TRACE,("ADDBA - MlmeADDBAAction() allocate BA session failed \n"));
 528                         return;
 529                 }
 530         }
 531         else
 532         {
 533                 pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 534         }
 535
 536         if (pBAEntry->ORI_BA_Status >= Originator_WaitRes)
 537         {
 538                 return;
 539         }
 540
 541         pEntry->BAOriWcidArray[TID] = Idx;
 542
 543         // Initialize BA session
 544         pBAEntry->ORI_BA_Status = Originator_WaitRes;
 545         pBAEntry->Wcid = pEntry->Aid;
 546         pBAEntry->BAWinSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
 547         pBAEntry->Sequence = BA_ORI_INIT_SEQ;
 548         pBAEntry->Token = 1;    // (2008-01-21) Jan Lee recommends it - this token can't be 0
 549         pBAEntry->TID = TID;
 550         pBAEntry->TimeOutValue = TimeOut;
 551         pBAEntry->pAdapter = pAd;
 552
 553         if (!(pEntry->TXBAbitmap & (1<<TID)))
 554         {
 555                 RTMPInitTimer(pAd, &pBAEntry->ORIBATimer, GET_TIMER_FUNCTION(BAOriSessionSetupTimeout), pBAEntry, FALSE);
 556         }
 557         else
 558                 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 559
 560         // set timer to send ADDBA request
 561         RTMPSetTimer(&pBAEntry->ORIBATimer, DelayTime);
 562 }
 563
 564 VOID BAOriSessionAdd(
 565                         IN PRTMP_ADAPTER    pAd,
 566                                         IN MAC_TABLE_ENTRY  *pEntry,
 567                         IN PFRAME_ADDBA_RSP pFrame)
 568 {
 569         BA_ORI_ENTRY  *pBAEntry = NULL;
 570         BOOLEAN       Cancelled;
 571         UCHAR         TID;
 572         USHORT        Idx;
 573         PUCHAR          pOutBuffer2 = NULL;
 574         NDIS_STATUS     NStatus;
 575         ULONG           FrameLen;
 576         FRAME_BAR       FrameBar;
 577
 578         TID = pFrame->BaParm.TID;
 579         Idx = pEntry->BAOriWcidArray[TID];
 580         pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 581
 582         // Start fill in parameters.
 583         if ((Idx !=0) && (pBAEntry->TID == TID) && (pBAEntry->ORI_BA_Status == Originator_WaitRes))
 584         {
 585                 pBAEntry->BAWinSize = min(pBAEntry->BAWinSize, ((UCHAR)pFrame->BaParm.BufSize));
 586                 BA_MaxWinSizeReasign(pAd, pEntry, &pBAEntry->BAWinSize);
 587
 588                 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
 589                 pBAEntry->ORI_BA_Status = Originator_Done;
 590                 // reset sequence number
 591                 pBAEntry->Sequence = BA_ORI_INIT_SEQ;
 592                 // Set Bitmap flag.
 593                 pEntry->TXBAbitmap |= (1<<TID);
 594                                 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 595
 596                 pBAEntry->ORIBATimer.TimerValue = 0;    //pFrame->TimeOutValue;
 597
 598                 DBGPRINT(RT_DEBUG_TRACE,("%s : TXBAbitmap = %x, BAWinSize = %d, TimeOut = %ld\n", __func__, pEntry->TXBAbitmap,
 599                                                                  pBAEntry->BAWinSize, pBAEntry->ORIBATimer.TimerValue));
 600
 601                 // SEND BAR ;
 602                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer2);  //Get an unused nonpaged memory
 603                 if (NStatus != NDIS_STATUS_SUCCESS)
 604                 {
 605                         DBGPRINT(RT_DEBUG_TRACE,("BA - BAOriSessionAdd() allocate memory failed \n"));
 606                         return;
 607                 }
 608
 609
 610 #ifdef CONFIG_STA_SUPPORT
 611                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
 612                         BarHeaderInit(pAd, &FrameBar, pAd->MacTab.Content[pBAEntry->Wcid].Addr, pAd->CurrentAddress);
 613 #endif // CONFIG_STA_SUPPORT //
 614
 615                 FrameBar.StartingSeq.field.FragNum = 0; // make sure sequence not clear in DEL function.
 616                 FrameBar.StartingSeq.field.StartSeq = pBAEntry->Sequence; // make sure sequence not clear in DEL funciton.
 617                 FrameBar.BarControl.TID = pBAEntry->TID; // make sure sequence not clear in DEL funciton.
 618                 MakeOutgoingFrame(pOutBuffer2,              &FrameLen,
 619                                                   sizeof(FRAME_BAR),      &FrameBar,
 620                                           END_OF_ARGS);
 621                 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer2, FrameLen);
 622                 MlmeFreeMemory(pAd, pOutBuffer2);
 623
 624
 625                 if (pBAEntry->ORIBATimer.TimerValue)
 626                         RTMPSetTimer(&pBAEntry->ORIBATimer, pBAEntry->ORIBATimer.TimerValue); // in mSec
 627         }
 628 }
 629
 630 BOOLEAN BARecSessionAdd(
 631                                            IN PRTMP_ADAPTER    pAd,
 632                                            IN MAC_TABLE_ENTRY  *pEntry,
 633                                            IN PFRAME_ADDBA_REQ pFrame)
 634 {
 635         BA_REC_ENTRY            *pBAEntry = NULL;
 636         BOOLEAN                 Status = TRUE;
 637         BOOLEAN                 Cancelled;
 638         USHORT                  Idx;
 639         UCHAR                   TID;
 640         UCHAR                   BAWinSize;
 641         //UINT32                  Value;
 642         //UINT                    offset;
 643
 644
 645         ASSERT(pEntry);
 646
 647         // find TID
 648         TID = pFrame->BaParm.TID;
 649
 650         BAWinSize = min(((UCHAR)pFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
 651
 652         // Intel patch
 653         if (BAWinSize == 0)
 654         {
 655                 BAWinSize = 64;
 656         }
 657
 658         Idx = pEntry->BARecWcidArray[TID];
 659
 660
 661         if (Idx == 0)
 662         {
 663                 pBAEntry = BATableAllocRecEntry(pAd, &Idx);
 664         }
 665         else
 666         {
 667                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
 668                 // flush all pending reordering mpdus
 669                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 670         }
 671
 672         DBGPRINT(RT_DEBUG_TRACE,("%s(%ld): Idx = %d, BAWinSize(req %d) = %d\n", __func__, pAd->BATable.numAsRecipient, Idx,
 673                                                          pFrame->BaParm.BufSize, BAWinSize));
 674
 675         // Start fill in parameters.
 676         if (pBAEntry != NULL)
 677         {
 678                 ASSERT(pBAEntry->list.qlen == 0);
 679
 680                 pBAEntry->REC_BA_Status = Recipient_HandleRes;
 681                 pBAEntry->BAWinSize = BAWinSize;
 682                 pBAEntry->Wcid = pEntry->Aid;
 683                 pBAEntry->TID = TID;
 684                 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
 685                 pBAEntry->REC_BA_Status = Recipient_Accept;
 686                 // initial sequence number
 687                 pBAEntry->LastIndSeq = RESET_RCV_SEQ; //pFrame->BaStartSeq.field.StartSeq;
 688
 689                 printk("Start Seq = %08x\n",  pFrame->BaStartSeq.field.StartSeq);
 690
 691                 if (pEntry->RXBAbitmap & (1<<TID))
 692                 {
 693                         RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
 694                 }
 695                 else
 696                 {
 697                         RTMPInitTimer(pAd, &pBAEntry->RECBATimer, GET_TIMER_FUNCTION(BARecSessionIdleTimeout), pBAEntry, TRUE);
 698                 }
 699
 700 #if 0   // for debugging
 701                 RTMPSetTimer(&pBAEntry->RECBATimer, REC_BA_SESSION_IDLE_TIMEOUT);
 702 #endif
 703
 704                 // Set Bitmap flag.
 705                 pEntry->RXBAbitmap |= (1<<TID);
 706                 pEntry->BARecWcidArray[TID] = Idx;
 707
 708                 pEntry->BADeclineBitmap &= ~(1<<TID);
 709
 710                 // Set BA session mask in WCID table.
 711                 RT28XX_ADD_BA_SESSION_TO_ASIC(pAd, pEntry->Aid, TID);
 712
 713                 DBGPRINT(RT_DEBUG_TRACE,("MACEntry[%d]RXBAbitmap = 0x%x. BARecWcidArray=%d\n",
 714                                 pEntry->Aid, pEntry->RXBAbitmap, pEntry->BARecWcidArray[TID]));
 715         }
 716         else
 717         {
 718                 Status = FALSE;
 719                 DBGPRINT(RT_DEBUG_TRACE,("Can't Accept ADDBA for %02x:%02x:%02x:%02x:%02x:%02x TID = %d\n",
 720                                 PRINT_MAC(pEntry->Addr), TID));
 721         }
 722         return(Status);
 723 }
 724
 725
 726 BA_REC_ENTRY *BATableAllocRecEntry(
 727                                                                   IN  PRTMP_ADAPTER   pAd,
 728                                                                   OUT USHORT          *Idx)
 729 {
 730         int             i;
 731         BA_REC_ENTRY    *pBAEntry = NULL;
 732
 733
 734         NdisAcquireSpinLock(&pAd->BATabLock);
 735
 736         if (pAd->BATable.numAsRecipient >= MAX_BARECI_SESSION)
 737         {
 738                 printk("BA Recipeint Session (%ld) > %d\n", pAd->BATable.numAsRecipient,
 739                         MAX_BARECI_SESSION);
 740                 goto done;
 741         }
 742
 743         // reserve idx 0 to identify BAWcidArray[TID] as empty
 744         for (i=1; i < MAX_LEN_OF_BA_REC_TABLE; i++)
 745         {
 746                 pBAEntry =&pAd->BATable.BARecEntry[i];
 747                 if ((pBAEntry->REC_BA_Status == Recipient_NONE))
 748                 {
 749                         // get one
 750                         pAd->BATable.numAsRecipient++;
 751                         pBAEntry->REC_BA_Status = Recipient_USED;
 752                         *Idx = i;
 753                         break;
 754                 }
 755         }
 756
 757 done:
 758         NdisReleaseSpinLock(&pAd->BATabLock);
 759         return pBAEntry;
 760 }
 761
 762 BA_ORI_ENTRY *BATableAllocOriEntry(
 763                                                                   IN  PRTMP_ADAPTER   pAd,
 764                                                                   OUT USHORT          *Idx)
 765 {
 766         int             i;
 767         BA_ORI_ENTRY    *pBAEntry = NULL;
 768
 769         NdisAcquireSpinLock(&pAd->BATabLock);
 770
 771         if (pAd->BATable.numAsOriginator >= (MAX_LEN_OF_BA_ORI_TABLE))
 772         {
 773                 goto done;
 774         }
 775
 776         // reserve idx 0 to identify BAWcidArray[TID] as empty
 777         for (i=1; i<MAX_LEN_OF_BA_ORI_TABLE; i++)
 778         {
 779                 pBAEntry =&pAd->BATable.BAOriEntry[i];
 780                 if ((pBAEntry->ORI_BA_Status == Originator_NONE))
 781                 {
 782                         // get one
 783                         pAd->BATable.numAsOriginator++;
 784                         pBAEntry->ORI_BA_Status = Originator_USED;
 785                         pBAEntry->pAdapter = pAd;
 786                         *Idx = i;
 787                         break;
 788                 }
 789         }
 790
 791 done:
 792         NdisReleaseSpinLock(&pAd->BATabLock);
 793         return pBAEntry;
 794 }
 795
 796
 797 VOID BATableFreeOriEntry(
 798                                                 IN  PRTMP_ADAPTER   pAd,
 799                                                 IN  ULONG           Idx)
 800 {
 801         BA_ORI_ENTRY    *pBAEntry = NULL;
 802         MAC_TABLE_ENTRY *pEntry;
 803
 804
 805         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
 806                 return;
 807
 808         pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 809
 810         if (pBAEntry->ORI_BA_Status != Originator_NONE)
 811         {
 812                 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
 813                 pEntry->BAOriWcidArray[pBAEntry->TID] = 0;
 814
 815
 816                 NdisAcquireSpinLock(&pAd->BATabLock);
 817                 if (pBAEntry->ORI_BA_Status == Originator_Done)
 818                 {
 819                         pEntry->TXBAbitmap &= (~(1<<(pBAEntry->TID) ));
 820                         DBGPRINT(RT_DEBUG_TRACE, ("BATableFreeOriEntry numAsOriginator= %ld\n", pAd->BATable.numAsRecipient));
 821                         // Erase Bitmap flag.
 822                 }
 823
 824                 ASSERT(pAd->BATable.numAsOriginator != 0);
 825
 826                 pAd->BATable.numAsOriginator -= 1;
 827
 828                 pBAEntry->ORI_BA_Status = Originator_NONE;
 829                 pBAEntry->Token = 0;
 830                 NdisReleaseSpinLock(&pAd->BATabLock);
 831         }
 832 }
 833
 834
 835 VOID BATableFreeRecEntry(
 836                                                 IN  PRTMP_ADAPTER   pAd,
 837                                                 IN  ULONG           Idx)
 838 {
 839         BA_REC_ENTRY    *pBAEntry = NULL;
 840         MAC_TABLE_ENTRY *pEntry;
 841
 842
 843         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_REC_TABLE))
 844                 return;
 845
 846         pBAEntry =&pAd->BATable.BARecEntry[Idx];
 847
 848         if (pBAEntry->REC_BA_Status != Recipient_NONE)
 849         {
 850                 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
 851                 pEntry->BARecWcidArray[pBAEntry->TID] = 0;
 852
 853                 NdisAcquireSpinLock(&pAd->BATabLock);
 854
 855                 ASSERT(pAd->BATable.numAsRecipient != 0);
 856
 857                 pAd->BATable.numAsRecipient -= 1;
 858
 859                 pBAEntry->REC_BA_Status = Recipient_NONE;
 860                 NdisReleaseSpinLock(&pAd->BATabLock);
 861         }
 862 }
 863
 864
 865 VOID BAOriSessionTearDown(
 866                                                  IN OUT  PRTMP_ADAPTER   pAd,
 867                                                  IN      UCHAR           Wcid,
 868                                                  IN      UCHAR           TID,
 869                                                  IN      BOOLEAN         bPassive,
 870                                                  IN      BOOLEAN         bForceSend)
 871 {
 872         ULONG           Idx = 0;
 873         BA_ORI_ENTRY    *pBAEntry;
 874         BOOLEAN         Cancelled;
 875
 876         if (Wcid >= MAX_LEN_OF_MAC_TABLE)
 877         {
 878                 return;
 879         }
 880
 881         //
 882         // Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
 883         //
 884         Idx = pAd->MacTab.Content[Wcid].BAOriWcidArray[TID];
 885         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
 886         {
 887                 if (bForceSend == TRUE)
 888                 {
 889                         // force send specified TID DelBA
 890                         MLME_DELBA_REQ_STRUCT   DelbaReq;
 891                         MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 892
 893                         NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 894                         NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 895
 896                         COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
 897                         DelbaReq.Wcid = Wcid;
 898                         DelbaReq.TID = TID;
 899                         DelbaReq.Initiator = ORIGINATOR;
 900 #if 1
 901                         Elem->MsgLen  = sizeof(DelbaReq);
 902                         NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
 903                         MlmeDELBAAction(pAd, Elem);
 904                         kfree(Elem);
 905 #else
 906                         MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
 907                         RT28XX_MLME_HANDLER(pAd);
 908 #endif
 909                 }
 910
 911                 return;
 912         }
 913
 914         DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
 915
 916         pBAEntry = &pAd->BATable.BAOriEntry[Idx];
 917         DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, ORI_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->ORI_BA_Status));
 918         //
 919         // Prepare DelBA action frame and send to the peer.
 920         //
 921         if ((bPassive == FALSE) && (TID == pBAEntry->TID) && (pBAEntry->ORI_BA_Status == Originator_Done))
 922         {
 923                 MLME_DELBA_REQ_STRUCT   DelbaReq;
 924                 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 925
 926                 NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 927                 NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 928
 929                 COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
 930                 DelbaReq.Wcid = Wcid;
 931                 DelbaReq.TID = pBAEntry->TID;
 932                 DelbaReq.Initiator = ORIGINATOR;
 933 #if 1
 934                 Elem->MsgLen  = sizeof(DelbaReq);
 935                 NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
 936                 MlmeDELBAAction(pAd, Elem);
 937                 kfree(Elem);
 938 #else
 939                 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
 940                 RT28XX_MLME_HANDLER(pAd);
 941 #endif
 942         }
 943         RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 944         BATableFreeOriEntry(pAd, Idx);
 945
 946         if (bPassive)
 947         {
 948                 //BAOriSessionSetUp(pAd, &pAd->MacTab.Content[Wcid], TID, 0, 10000, TRUE);
 949         }
 950 }
 951
 952 VOID BARecSessionTearDown(
 953                                                  IN OUT  PRTMP_ADAPTER   pAd,
 954                                                  IN      UCHAR           Wcid,
 955                                                  IN      UCHAR           TID,
 956                                                  IN      BOOLEAN         bPassive)
 957 {
 958         ULONG           Idx = 0;
 959         BA_REC_ENTRY    *pBAEntry;
 960
 961         if (Wcid >= MAX_LEN_OF_MAC_TABLE)
 962         {
 963                 return;
 964         }
 965
 966         //
 967         //  Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
 968         //
 969         Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
 970         if (Idx == 0)
 971                 return;
 972
 973         DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
 974
 975
 976         pBAEntry = &pAd->BATable.BARecEntry[Idx];
 977         DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, REC_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->REC_BA_Status));
 978         //
 979         // Prepare DelBA action frame and send to the peer.
 980         //
 981         if ((TID == pBAEntry->TID) && (pBAEntry->REC_BA_Status == Recipient_Accept))
 982         {
 983                 MLME_DELBA_REQ_STRUCT   DelbaReq;
 984                 BOOLEAN                                 Cancelled;
 985                 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 986                 //ULONG   offset;
 987                 //UINT32  VALUE;
 988
 989                 RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
 990
 991                 //
 992                 // 1. Send DELBA Action Frame
 993                 //
 994                 if (bPassive == FALSE)
 995                 {
 996                         NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 997                         NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 998
 999                         COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
1000                         DelbaReq.Wcid = Wcid;
1001                         DelbaReq.TID = TID;
1002                         DelbaReq.Initiator = RECIPIENT;
1003 #if 1
1004                         Elem->MsgLen  = sizeof(DelbaReq);
1005                         NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
1006                         MlmeDELBAAction(pAd, Elem);
1007                         kfree(Elem);
1008 #else
1009                         MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
1010                         RT28XX_MLME_HANDLER(pAd);
1011 #endif
1012                 }
1013
1014
1015                 //
1016                 // 2. Free resource of BA session
1017                 //
1018                 // flush all pending reordering mpdus
1019                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1020
1021                 NdisAcquireSpinLock(&pAd->BATabLock);
1022
1023                 // Erase Bitmap flag.
1024                 pBAEntry->LastIndSeq = RESET_RCV_SEQ;
1025                 pBAEntry->BAWinSize = 0;
1026                 // Erase Bitmap flag at software mactable
1027                 pAd->MacTab.Content[Wcid].RXBAbitmap &= (~(1<<(pBAEntry->TID)));
1028                 pAd->MacTab.Content[Wcid].BARecWcidArray[TID] = 0;
1029
1030                 RT28XX_DEL_BA_SESSION_FROM_ASIC(pAd, Wcid, TID);
1031
1032                 NdisReleaseSpinLock(&pAd->BATabLock);
1033
1034         }
1035
1036         BATableFreeRecEntry(pAd, Idx);
1037 }
1038
1039 VOID BASessionTearDownALL(
1040                                                  IN OUT  PRTMP_ADAPTER pAd,
1041                                                  IN      UCHAR Wcid)
1042 {
1043         int i;
1044
1045         for (i=0; i<NUM_OF_TID; i++)
1046         {
1047                 BAOriSessionTearDown(pAd, Wcid, i, FALSE, FALSE);
1048                 BARecSessionTearDown(pAd, Wcid, i, FALSE);
1049         }
1050 }
1051
1052
1053 /*
1054         ==========================================================================
1055         Description:
1056                 Retry sending ADDBA Reqest.
1057
1058         IRQL = DISPATCH_LEVEL
1059
1060         Parametrs:
1061         p8023Header: if this is already 802.3 format, p8023Header is NULL
1062
1063         Return  : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1064                                 FALSE , then continue indicaterx at this moment.
1065         ==========================================================================
1066  */
1067 VOID BAOriSessionSetupTimeout(
1068     IN PVOID SystemSpecific1,
1069     IN PVOID FunctionContext,
1070     IN PVOID SystemSpecific2,
1071     IN PVOID SystemSpecific3)
1072 {
1073         BA_ORI_ENTRY    *pBAEntry = (BA_ORI_ENTRY *)FunctionContext;
1074         MAC_TABLE_ENTRY *pEntry;
1075         PRTMP_ADAPTER   pAd;
1076
1077         if (pBAEntry == NULL)
1078                 return;
1079
1080         pAd = pBAEntry->pAdapter;
1081
1082 #ifdef CONFIG_STA_SUPPORT
1083         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1084         {
1085                 // Do nothing if monitor mode is on
1086                 if (MONITOR_ON(pAd))
1087                         return;
1088         }
1089 #endif // CONFIG_STA_SUPPORT //
1090
1091         pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
1092
1093         if ((pBAEntry->ORI_BA_Status == Originator_WaitRes) && (pBAEntry->Token < ORI_SESSION_MAX_RETRY))
1094         {
1095                 MLME_ADDBA_REQ_STRUCT    AddbaReq;
1096
1097                 NdisZeroMemory(&AddbaReq, sizeof(AddbaReq));
1098                 COPY_MAC_ADDR(AddbaReq.pAddr, pEntry->Addr);
1099                 AddbaReq.Wcid = (UCHAR)(pEntry->Aid);
1100                 AddbaReq.TID = pBAEntry->TID;
1101                 AddbaReq.BaBufSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
1102                 AddbaReq.TimeOutValue = 0;
1103                 AddbaReq.Token = pBAEntry->Token;
1104                 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ADD_BA_CATE, sizeof(MLME_ADDBA_REQ_STRUCT), (PVOID)&AddbaReq);
1105                 RT28XX_MLME_HANDLER(pAd);
1106                 DBGPRINT(RT_DEBUG_TRACE,("BA Ori Session Timeout(%d) : Send ADD BA again\n", pBAEntry->Token));
1107
1108                 pBAEntry->Token++;
1109                 RTMPSetTimer(&pBAEntry->ORIBATimer, ORI_BA_SESSION_TIMEOUT);
1110         }
1111         else
1112         {
1113                 BATableFreeOriEntry(pAd, pEntry->BAOriWcidArray[pBAEntry->TID]);
1114         }
1115 }
1116
1117 /*
1118         ==========================================================================
1119         Description:
1120                 Retry sending ADDBA Reqest.
1121
1122         IRQL = DISPATCH_LEVEL
1123
1124         Parametrs:
1125         p8023Header: if this is already 802.3 format, p8023Header is NULL
1126
1127         Return  : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1128                                 FALSE , then continue indicaterx at this moment.
1129         ==========================================================================
1130  */
1131 VOID BARecSessionIdleTimeout(
1132     IN PVOID SystemSpecific1,
1133     IN PVOID FunctionContext,
1134     IN PVOID SystemSpecific2,
1135     IN PVOID SystemSpecific3)
1136 {
1137
1138         BA_REC_ENTRY    *pBAEntry = (BA_REC_ENTRY *)FunctionContext;
1139         PRTMP_ADAPTER   pAd;
1140         ULONG           Now32;
1141
1142         if (pBAEntry == NULL)
1143                 return;
1144
1145         if ((pBAEntry->REC_BA_Status == Recipient_Accept))
1146         {
1147                 NdisGetSystemUpTime(&Now32);
1148
1149                 if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer + REC_BA_SESSION_IDLE_TIMEOUT)))
1150                 {
1151                         pAd = pBAEntry->pAdapter;
1152                         // flush all pending reordering mpdus
1153                         ba_refresh_reordering_mpdus(pAd, pBAEntry);
1154                         printk("%ld: REC BA session Timeout\n", Now32);
1155                 }
1156         }
1157 }
1158
1159
1160 VOID PeerAddBAReqAction(
1161         IN PRTMP_ADAPTER pAd,
1162         IN MLME_QUEUE_ELEM *Elem)
1163
1164 {
1165         //      7.4.4.1
1166         //ULONG Idx;
1167         UCHAR   Status = 1;
1168         UCHAR   pAddr[6];
1169         FRAME_ADDBA_RSP ADDframe;
1170         PUCHAR         pOutBuffer = NULL;
1171         NDIS_STATUS     NStatus;
1172         PFRAME_ADDBA_REQ  pAddreqFrame = NULL;
1173         //UCHAR         BufSize;
1174         ULONG       FrameLen;
1175         PULONG      ptemp;
1176         PMAC_TABLE_ENTRY        pMacEntry;
1177
1178         DBGPRINT(RT_DEBUG_TRACE, ("%s ==> (Wcid = %d)\n", __func__, Elem->Wcid));
1179
1180         //hex_dump("AddBAReq", Elem->Msg, Elem->MsgLen);
1181
1182         //ADDBA Request from unknown peer, ignore this.
1183         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1184                 return;
1185
1186         pMacEntry = &pAd->MacTab.Content[Elem->Wcid];
1187         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerAddBAReqAction----> \n"));
1188         ptemp = (PULONG)Elem->Msg;
1189         //DBGPRINT_RAW(RT_DEBUG_EMU, ("%08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x\n", *(ptemp), *(ptemp+1), *(ptemp+2), *(ptemp+3), *(ptemp+4), *(ptemp+5), *(ptemp+6), *(ptemp+7), *(ptemp+8)));
1190
1191         if (PeerAddBAReqActionSanity(pAd, Elem->Msg, Elem->MsgLen, pAddr))
1192         {
1193
1194                 if ((pAd->CommonCfg.bBADecline == FALSE) && IS_HT_STA(pMacEntry))
1195                 {
1196                         pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1197                         printk("Rcv Wcid(%d) AddBAReq\n", Elem->Wcid);
1198                         if (BARecSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pAddreqFrame))
1199                                 Status = 0;
1200                         else
1201                                 Status = 38; // more parameters have invalid values
1202                 }
1203                 else
1204                 {
1205                         Status = 37; // the request has been declined.
1206                 }
1207         }
1208
1209         if (pAd->MacTab.Content[Elem->Wcid].ValidAsCLI)
1210                 ASSERT(pAd->MacTab.Content[Elem->Wcid].Sst == SST_ASSOC);
1211
1212         pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1213         // 2. Always send back ADDBA Response
1214         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1215         if (NStatus != NDIS_STATUS_SUCCESS)
1216         {
1217                 DBGPRINT(RT_DEBUG_TRACE,("ACTION - PeerBAAction() allocate memory failed \n"));
1218                 return;
1219         }
1220
1221         NdisZeroMemory(&ADDframe, sizeof(FRAME_ADDBA_RSP));
1222         // 2-1. Prepare ADDBA Response frame.
1223 #ifdef CONFIG_STA_SUPPORT
1224         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1225         {
1226                 if (ADHOC_ON(pAd))
1227                         ActHeaderInit(pAd, &ADDframe.Hdr, pAddr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
1228                 else
1229                         ActHeaderInit(pAd, &ADDframe.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAddr);
1230         }
1231 #endif // CONFIG_STA_SUPPORT //
1232         ADDframe.Category = CATEGORY_BA;
1233         ADDframe.Action = ADDBA_RESP;
1234         ADDframe.Token = pAddreqFrame->Token;
1235         // What is the Status code??  need to check.
1236         ADDframe.StatusCode = Status;
1237         ADDframe.BaParm.BAPolicy = IMMED_BA;
1238         ADDframe.BaParm.AMSDUSupported = 0;
1239         ADDframe.BaParm.TID = pAddreqFrame->BaParm.TID;
1240         ADDframe.BaParm.BufSize = min(((UCHAR)pAddreqFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
1241         if (ADDframe.BaParm.BufSize == 0)
1242         {
1243                 ADDframe.BaParm.BufSize = 64;
1244         }
1245         ADDframe.TimeOutValue = 0; //pAddreqFrame->TimeOutValue;
1246
1247         *(USHORT *)(&ADDframe.BaParm) = cpu2le16(*(USHORT *)(&ADDframe.BaParm));
1248         ADDframe.StatusCode = cpu2le16(ADDframe.StatusCode);
1249         ADDframe.TimeOutValue = cpu2le16(ADDframe.TimeOutValue);
1250
1251         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
1252                                           sizeof(FRAME_ADDBA_RSP),  &ADDframe,
1253                           END_OF_ARGS);
1254         MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1255         MlmeFreeMemory(pAd, pOutBuffer);
1256
1257         DBGPRINT(RT_DEBUG_TRACE, ("%s(%d): TID(%d), BufSize(%d) <== \n", __func__, Elem->Wcid, ADDframe.BaParm.TID,
1258                                                           ADDframe.BaParm.BufSize));
1259 }
1260
1261
1262 VOID PeerAddBARspAction(
1263         IN PRTMP_ADAPTER pAd,
1264         IN MLME_QUEUE_ELEM *Elem)
1265
1266 {
1267         //UCHAR         Idx, i;
1268         //PUCHAR                   pOutBuffer = NULL;
1269         PFRAME_ADDBA_RSP    pFrame = NULL;
1270         //PBA_ORI_ENTRY         pBAEntry;
1271
1272         //ADDBA Response from unknown peer, ignore this.
1273         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1274                 return;
1275
1276         DBGPRINT(RT_DEBUG_TRACE, ("%s ==> Wcid(%d)\n", __func__, Elem->Wcid));
1277
1278         //hex_dump("PeerAddBARspAction()", Elem->Msg, Elem->MsgLen);
1279
1280         if (PeerAddBARspActionSanity(pAd, Elem->Msg, Elem->MsgLen))
1281         {
1282                 pFrame = (PFRAME_ADDBA_RSP)(&Elem->Msg[0]);
1283
1284                 DBGPRINT(RT_DEBUG_TRACE, ("\t\t StatusCode = %d\n", pFrame->StatusCode));
1285                 switch (pFrame->StatusCode)
1286                 {
1287                         case 0:
1288                                 // I want a BAsession with this peer as an originator.
1289                                 BAOriSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pFrame);
1290                                 break;
1291                         default:
1292                                 // check status == USED ???
1293                                 BAOriSessionTearDown(pAd, Elem->Wcid, pFrame->BaParm.TID, TRUE, FALSE);
1294                                 break;
1295                 }
1296                 // Rcv Decline StatusCode
1297                 if ((pFrame->StatusCode == 37)
1298 #ifdef CONFIG_STA_SUPPORT
1299             || ((pAd->OpMode == OPMODE_STA) && STA_TGN_WIFI_ON(pAd) && (pFrame->StatusCode != 0))
1300 #endif // CONFIG_STA_SUPPORT //
1301             )
1302                 {
1303                         pAd->MacTab.Content[Elem->Wcid].BADeclineBitmap |= 1<<pFrame->BaParm.TID;
1304                 }
1305         }
1306 }
1307
1308 VOID PeerDelBAAction(
1309         IN PRTMP_ADAPTER pAd,
1310         IN MLME_QUEUE_ELEM *Elem)
1311
1312 {
1313         //UCHAR                         Idx;
1314         //PUCHAR                                pOutBuffer = NULL;
1315         PFRAME_DELBA_REQ    pDelFrame = NULL;
1316
1317         DBGPRINT(RT_DEBUG_TRACE,("%s ==>\n", __func__));
1318         //DELBA Request from unknown peer, ignore this.
1319         if (PeerDelBAActionSanity(pAd, Elem->Wcid, Elem->Msg, Elem->MsgLen))
1320         {
1321                 pDelFrame = (PFRAME_DELBA_REQ)(&Elem->Msg[0]);
1322                 if (pDelFrame->DelbaParm.Initiator == ORIGINATOR)
1323                 {
1324                         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> ORIGINATOR\n"));
1325                         BARecSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE);
1326                 }
1327                 else
1328                 {
1329                         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> RECIPIENT, Reason = %d\n",  pDelFrame->ReasonCode));
1330                         //hex_dump("DelBA Frame", pDelFrame, Elem->MsgLen);
1331                         BAOriSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE, FALSE);
1332                 }
1333         }
1334 }
1335
1336
1337 BOOLEAN CntlEnqueueForRecv(
1338                                                   IN PRTMP_ADAPTER              pAd,
1339                                                   IN ULONG                              Wcid,
1340                                                   IN ULONG                              MsgLen,
1341                                                   IN PFRAME_BA_REQ              pMsg)
1342 {
1343         PFRAME_BA_REQ   pFrame = pMsg;
1344         //PRTMP_REORDERBUF      pBuffer;
1345         //PRTMP_REORDERBUF      pDmaBuf;
1346         PBA_REC_ENTRY pBAEntry;
1347         //BOOLEAN       Result;
1348         ULONG   Idx;
1349         //UCHAR NumRxPkt;
1350         UCHAR   TID;//, i;
1351
1352         TID = (UCHAR)pFrame->BARControl.TID;
1353
1354         DBGPRINT(RT_DEBUG_TRACE, ("%s(): BAR-Wcid(%ld), Tid (%d)\n", __func__, Wcid, TID));
1355         //hex_dump("BAR", (PCHAR) pFrame, MsgLen);
1356         // Do nothing if the driver is starting halt state.
1357         // This might happen when timer already been fired before cancel timer with mlmehalt
1358         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
1359                 return FALSE;
1360
1361         // First check the size, it MUST not exceed the mlme queue size
1362         if (MsgLen > MGMT_DMA_BUFFER_SIZE)
1363         {
1364                 DBGPRINT_ERR(("CntlEnqueueForRecv: frame too large, size = %ld \n", MsgLen));
1365                 return FALSE;
1366         }
1367         else if (MsgLen != sizeof(FRAME_BA_REQ))
1368         {
1369                 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1370                 return FALSE;
1371         }
1372         else if (MsgLen != sizeof(FRAME_BA_REQ))
1373         {
1374                 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1375                 return FALSE;
1376         }
1377
1378         if ((Wcid < MAX_LEN_OF_MAC_TABLE) && (TID < 8))
1379                 {
1380                 // if this receiving packet is from SA that is in our OriEntry. Since WCID <9 has direct mapping. no need search.
1381                 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1382                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1383                 }
1384                 else
1385                 {
1386                 return FALSE;
1387         }
1388
1389         DBGPRINT(RT_DEBUG_TRACE, ("BAR(%ld) : Tid (%d) - %04x:%04x\n", Wcid, TID, pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq ));
1390
1391         if (SEQ_SMALLER(pBAEntry->LastIndSeq, pFrame->BAStartingSeq.field.StartSeq, MAXSEQ))
1392         {
1393                 //printk("BAR Seq = %x, LastIndSeq = %x\n", pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq);
1394                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, pFrame->BAStartingSeq.field.StartSeq);
1395                 pBAEntry->LastIndSeq = (pFrame->BAStartingSeq.field.StartSeq == 0) ? MAXSEQ :(pFrame->BAStartingSeq.field.StartSeq -1);
1396         }
1397         //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1398         return TRUE;
1399 }
1400
1401 /*
1402 Description : Send PSMP Action frame If PSMP mode switches.
1403 */
1404 VOID SendPSMPAction(
1405                                    IN PRTMP_ADAPTER             pAd,
1406                                    IN UCHAR                             Wcid,
1407                                    IN UCHAR                             Psmp)
1408 {
1409         PUCHAR          pOutBuffer = NULL;
1410         NDIS_STATUS     NStatus;
1411         //ULONG           Idx;
1412         FRAME_PSMP_ACTION   Frame;
1413         ULONG           FrameLen;
1414
1415         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1416         if (NStatus != NDIS_STATUS_SUCCESS)
1417         {
1418                 DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeADDBAAction() allocate memory failed \n"));
1419                 return;
1420         }
1421 #ifdef CONFIG_STA_SUPPORT
1422         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1423                 ActHeaderInit(pAd, &Frame.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAd->MacTab.Content[Wcid].Addr);
1424 #endif // CONFIG_STA_SUPPORT //
1425
1426         Frame.Category = CATEGORY_HT;
1427         Frame.Action = SMPS_ACTION;
1428         switch (Psmp)
1429         {
1430                 case MMPS_ENABLE:
1431                         Frame.Psmp = 0;
1432                         break;
1433                 case MMPS_DYNAMIC:
1434                         Frame.Psmp = 3;
1435                         break;
1436                 case MMPS_STATIC:
1437                         Frame.Psmp = 1;
1438                         break;
1439         }
1440         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
1441                                           sizeof(FRAME_PSMP_ACTION),      &Frame,
1442                                           END_OF_ARGS);
1443         MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1444         MlmeFreeMemory(pAd, pOutBuffer);
1445         DBGPRINT(RT_DEBUG_ERROR,("HT - SendPSMPAction( %d )  \n", Frame.Psmp));
1446 }
1447
1448
1449 #define RADIO_MEASUREMENT_REQUEST_ACTION        0
1450
1451 typedef struct PACKED
1452 {
1453         UCHAR   RegulatoryClass;
1454         UCHAR   ChannelNumber;
1455         USHORT  RandomInterval;
1456         USHORT  MeasurementDuration;
1457         UCHAR   MeasurementMode;
1458         UCHAR   BSSID[MAC_ADDR_LEN];
1459         UCHAR   ReportingCondition;
1460         UCHAR   Threshold;
1461         UCHAR   SSIDIE[2];                      // 2 byte
1462 } BEACON_REQUEST;
1463
1464 typedef struct PACKED
1465 {
1466         UCHAR   ID;
1467         UCHAR   Length;
1468         UCHAR   Token;
1469         UCHAR   RequestMode;
1470         UCHAR   Type;
1471 } MEASUREMENT_REQ;
1472
1473
1474
1475
1476 void convert_reordering_packet_to_preAMSDU_or_802_3_packet(
1477         IN      PRTMP_ADAPTER   pAd,
1478         IN      RX_BLK                  *pRxBlk,
1479         IN  UCHAR                       FromWhichBSSID)
1480 {
1481         PNDIS_PACKET    pRxPkt;
1482         UCHAR                   Header802_3[LENGTH_802_3];
1483
1484         // 1. get 802.3 Header
1485         // 2. remove LLC
1486         //              a. pointer pRxBlk->pData to payload
1487         //      b. modify pRxBlk->DataSize
1488
1489 #ifdef CONFIG_STA_SUPPORT
1490         IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1491                 RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3);
1492 #endif // CONFIG_STA_SUPPORT //
1493
1494         ASSERT(pRxBlk->pRxPacket);
1495         pRxPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
1496
1497         RTPKT_TO_OSPKT(pRxPkt)->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
1498         RTPKT_TO_OSPKT(pRxPkt)->data = pRxBlk->pData;
1499         RTPKT_TO_OSPKT(pRxPkt)->len = pRxBlk->DataSize;
1500         RTPKT_TO_OSPKT(pRxPkt)->tail = RTPKT_TO_OSPKT(pRxPkt)->data + RTPKT_TO_OSPKT(pRxPkt)->len;
1501
1502         //
1503         // copy 802.3 header, if necessary
1504         //
1505         if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU))
1506         {
1507
1508 #ifdef CONFIG_STA_SUPPORT
1509                 IF_DEV_CONFIG_OPMODE_ON_STA(pAd)
1510                 {
1511 #ifdef LINUX
1512                         NdisMoveMemory(skb_push(pRxPkt, LENGTH_802_3), Header802_3, LENGTH_802_3);
1513 #endif
1514                 }
1515 #endif // CONFIG_STA_SUPPORT //
1516         }
1517 }
1518
1519
1520 #define INDICATE_LEGACY_OR_AMSDU(_pAd, _pRxBlk, _fromWhichBSSID)                \
1521         do                                                                                                                                      \
1522         {                                                                                                                                       \
1523         if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_AMSDU))                                               \
1524         {                                                                                                                               \
1525                 Indicate_AMSDU_Packet(_pAd, _pRxBlk, _fromWhichBSSID);          \
1526         }                                                                                                                               \
1527                 else if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_EAP))                                    \
1528                 {                                                                                                                               \
1529                         Indicate_EAPOL_Packet(_pAd, _pRxBlk, _fromWhichBSSID);          \
1530                 }                                                                                                                               \
1531         else                                                                                                                    \
1532         {                                                                                                                               \
1533                 Indicate_Legacy_Packet(_pAd, _pRxBlk, _fromWhichBSSID);         \
1534         }                                                                                                                               \
1535         } while (0);
1536
1537
1538
1539 static VOID ba_enqueue_reordering_packet(
1540         IN      PRTMP_ADAPTER   pAd,
1541         IN      PBA_REC_ENTRY   pBAEntry,
1542         IN      RX_BLK                  *pRxBlk,
1543         IN      UCHAR                   FromWhichBSSID)
1544 {
1545         struct reordering_mpdu *mpdu_blk;
1546         UINT16  Sequence = (UINT16) pRxBlk->pHeader->Sequence;
1547
1548         mpdu_blk = ba_mpdu_blk_alloc(pAd);
1549         if (mpdu_blk != NULL)
1550         {
1551                 // Write RxD buffer address & allocated buffer length
1552                 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
1553
1554                 mpdu_blk->Sequence = Sequence;
1555
1556                 mpdu_blk->bAMSDU = RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU);
1557
1558                 convert_reordering_packet_to_preAMSDU_or_802_3_packet(pAd, pRxBlk, FromWhichBSSID);
1559
1560                 STATS_INC_RX_PACKETS(pAd, FromWhichBSSID);
1561
1562         //
1563                 // it is necessary for reordering packet to record
1564                 // which BSS it come from
1565                 //
1566                 RTMP_SET_PACKET_IF(pRxBlk->pRxPacket, FromWhichBSSID);
1567
1568                 mpdu_blk->pPacket = pRxBlk->pRxPacket;
1569
1570                 if (ba_reordering_mpdu_insertsorted(&pBAEntry->list, mpdu_blk) == FALSE)
1571                 {
1572                         // had been already within reordering list
1573                         // don't indicate
1574                         RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_SUCCESS);
1575                         ba_mpdu_blk_free(pAd, mpdu_blk);
1576                 }
1577
1578                 ASSERT((0<= pBAEntry->list.qlen)  && (pBAEntry->list.qlen <= pBAEntry->BAWinSize));
1579                 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
1580         }
1581         else
1582         {
1583 #if 0
1584                 DBGPRINT(RT_DEBUG_ERROR,  ("!!! (%d:%d) Can't allocate reordering mpdu blk\n",
1585                                                                    blk_count, pBAEntry->list.qlen));
1586 #else
1587                 DBGPRINT(RT_DEBUG_ERROR,  ("!!! (%d) Can't allocate reordering mpdu blk\n",
1588                                                                    pBAEntry->list.qlen));
1589 #endif
1590                 /*
1591                  * flush all pending reordering mpdus
1592                  * and receving mpdu to upper layer
1593                  * make tcp/ip to take care reordering mechanism
1594                  */
1595                 //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1596                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
1597
1598                 pBAEntry->LastIndSeq = Sequence;
1599                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1600         }
1601 }
1602
1603
1604 /*
1605         ==========================================================================
1606         Description:
1607                 Indicate this packet to upper layer or put it into reordering buffer
1608
1609         Parametrs:
1610                 pRxBlk         : carry necessary packet info 802.11 format
1611                 FromWhichBSSID : the packet received from which BSS
1612
1613         Return  :
1614                           none
1615
1616         Note    :
1617                   the packet queued into reordering buffer need to cover to 802.3 format
1618                           or pre_AMSDU format
1619         ==========================================================================
1620  */
1621
1622 VOID Indicate_AMPDU_Packet(
1623         IN      PRTMP_ADAPTER   pAd,
1624         IN      RX_BLK                  *pRxBlk,
1625         IN      UCHAR                   FromWhichBSSID)
1626 {
1627         USHORT                          Idx;
1628         PBA_REC_ENTRY           pBAEntry = NULL;
1629         UINT16                          Sequence = pRxBlk->pHeader->Sequence;
1630         ULONG                           Now32;
1631         UCHAR                           Wcid = pRxBlk->pRxWI->WirelessCliID;
1632         UCHAR                           TID = pRxBlk->pRxWI->TID;
1633
1634
1635         if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU) &&  (pRxBlk->DataSize > MAX_RX_PKT_LEN))
1636         {
1637 #if 0 // sample take off, no use
1638                 static int err_size;
1639
1640                 err_size++;
1641                 if (err_size > 20) {
1642                          printk("AMPDU DataSize = %d\n", pRxBlk->DataSize);
1643                          hex_dump("802.11 Header", (UCHAR *)pRxBlk->pHeader, 24);
1644                          hex_dump("Payload", pRxBlk->pData, 64);
1645                          err_size = 0;
1646                 }
1647 #endif
1648                 // release packet
1649                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1650                 return;
1651         }
1652
1653
1654 #if 0 // test
1655         /* Rec BA Session had been torn down */
1656         INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1657         return;
1658 #endif
1659
1660         if (Wcid < MAX_LEN_OF_MAC_TABLE)
1661         {
1662                 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1663                 if (Idx == 0)
1664                 {
1665                         /* Rec BA Session had been torn down */
1666                         INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1667                         return;
1668                 }
1669                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1670         }
1671         else
1672         {
1673                 // impossible !!!
1674                 ASSERT(0);
1675                 // release packet
1676                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1677                 return;
1678         }
1679
1680         ASSERT(pBAEntry);
1681
1682         // update last rx time
1683         NdisGetSystemUpTime(&Now32);
1684
1685         pBAEntry->rcvSeq = Sequence;
1686
1687
1688         ba_flush_reordering_timeout_mpdus(pAd, pBAEntry, Now32);
1689         pBAEntry->LastIndSeqAtTimer = Now32;
1690
1691         //
1692         // Reset Last Indicate Sequence
1693         //
1694         if (pBAEntry->LastIndSeq == RESET_RCV_SEQ)
1695         {
1696                 ASSERT((pBAEntry->list.qlen == 0) && (pBAEntry->list.next == NULL));
1697
1698                 // reset rcv sequence of BA session
1699                 pBAEntry->LastIndSeq = Sequence;
1700                 pBAEntry->LastIndSeqAtTimer = Now32;
1701                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1702                 return;
1703         }
1704
1705
1706         //
1707         // I. Check if in order.
1708         //
1709         if (SEQ_STEPONE(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1710         {
1711                 USHORT  LastIndSeq;
1712
1713                 pBAEntry->LastIndSeq = Sequence;
1714                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1715                 LastIndSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1716                 if (LastIndSeq != RESET_RCV_SEQ)
1717                 {
1718                         pBAEntry->LastIndSeq = LastIndSeq;
1719                 }
1720                 pBAEntry->LastIndSeqAtTimer = Now32;
1721         }
1722         //
1723         // II. Drop Duplicated Packet
1724         //
1725         else if (Sequence == pBAEntry->LastIndSeq)
1726         {
1727
1728                 // drop and release packet
1729                 pBAEntry->nDropPacket++;
1730                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1731         }
1732         //
1733         // III. Drop Old Received Packet
1734         //
1735         else if (SEQ_SMALLER(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1736         {
1737
1738                 // drop and release packet
1739                 pBAEntry->nDropPacket++;
1740                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1741         }
1742         //
1743         // IV. Receive Sequence within Window Size
1744         //
1745         else if (SEQ_SMALLER(Sequence, (((pBAEntry->LastIndSeq+pBAEntry->BAWinSize+1)) & MAXSEQ), MAXSEQ))
1746         {
1747                 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1748         }
1749         //
1750         // V. Receive seq surpasses Win(lastseq + nMSDU). So refresh all reorder buffer
1751         //
1752         else
1753         {
1754 #if 0
1755                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1756                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1757 #else
1758                 LONG WinStartSeq, TmpSeq;
1759
1760
1761                 TmpSeq = Sequence - (pBAEntry->BAWinSize) -1;
1762                 if (TmpSeq < 0)
1763                 {
1764                         TmpSeq = (MAXSEQ+1) + TmpSeq;
1765                 }
1766                 WinStartSeq = (TmpSeq+1) & MAXSEQ;
1767                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, WinStartSeq);
1768                 pBAEntry->LastIndSeq = WinStartSeq; //TmpSeq;
1769
1770                 pBAEntry->LastIndSeqAtTimer = Now32;
1771
1772                 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1773
1774                 TmpSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1775                 if (TmpSeq != RESET_RCV_SEQ)
1776                 {
1777                         pBAEntry->LastIndSeq = TmpSeq;
1778                 }
1779 #endif
1780         }
1781 }
1782
1783 #endif // DOT11_N_SUPPORT //
1784