git.oblomov.eu Git - linux-2.6/blob - drivers/staging/rt2860/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 #include "../rt_config.h"
  29
  30
  31
  32 #define BA_ORI_INIT_SEQ         (pEntry->TxSeq[TID]) //1                        // inital sequence number of BA session
  33
  34 #define ORI_SESSION_MAX_RETRY   8
  35 #define ORI_BA_SESSION_TIMEOUT  (2000)  // ms
  36 #define REC_BA_SESSION_IDLE_TIMEOUT     (1000)  // ms
  37
  38 #define REORDERING_PACKET_TIMEOUT               ((100 * HZ)/1000)       // system ticks -- 100 ms
  39 #define MAX_REORDERING_PACKET_TIMEOUT   ((3000 * HZ)/1000)      // system ticks -- 100 ms
  40
  41 #define RESET_RCV_SEQ           (0xFFFF)
  42
  43 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk);
  44
  45
  46 BA_ORI_ENTRY *BATableAllocOriEntry(
  47                                                                   IN  PRTMP_ADAPTER   pAd,
  48                                                                   OUT USHORT          *Idx);
  49
  50 BA_REC_ENTRY *BATableAllocRecEntry(
  51                                                                   IN  PRTMP_ADAPTER   pAd,
  52                                                                   OUT USHORT          *Idx);
  53
  54 VOID BAOriSessionSetupTimeout(
  55     IN PVOID SystemSpecific1,
  56     IN PVOID FunctionContext,
  57     IN PVOID SystemSpecific2,
  58     IN PVOID SystemSpecific3);
  59
  60 VOID BARecSessionIdleTimeout(
  61     IN PVOID SystemSpecific1,
  62     IN PVOID FunctionContext,
  63     IN PVOID SystemSpecific2,
  64     IN PVOID SystemSpecific3);
  65
  66
  67 BUILD_TIMER_FUNCTION(BAOriSessionSetupTimeout);
  68 BUILD_TIMER_FUNCTION(BARecSessionIdleTimeout);
  69
  70 #define ANNOUNCE_REORDERING_PACKET(_pAd, _mpdu_blk)     \
  71                         Announce_Reordering_Packet(_pAd, _mpdu_blk);
  72
  73 VOID BA_MaxWinSizeReasign(
  74         IN PRTMP_ADAPTER        pAd,
  75         IN MAC_TABLE_ENTRY  *pEntryPeer,
  76         OUT UCHAR                       *pWinSize)
  77 {
  78         UCHAR MaxSize;
  79
  80
  81         if (pAd->MACVersion >= RALINK_2883_VERSION) // 3*3
  82         {
  83                 if (pAd->MACVersion >= RALINK_3070_VERSION)
  84                 {
  85                         if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
  86                                 MaxSize = 7; // for non-open mode
  87                         else
  88                                 MaxSize = 13;
  89                 }
  90                 else
  91                         MaxSize = 31;
  92         }
  93         else if (pAd->MACVersion >= RALINK_2880E_VERSION) // 2880 e
  94         {
  95                 if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
  96                         MaxSize = 7; // for non-open mode
  97                 else
  98                         MaxSize = 13;
  99         }
 100         else
 101                 MaxSize = 7;
 102
 103         DBGPRINT(RT_DEBUG_TRACE, ("ba> Win Size = %d, Max Size = %d\n",
 104                         *pWinSize, MaxSize));
 105
 106         if ((*pWinSize) > MaxSize)
 107         {
 108                 DBGPRINT(RT_DEBUG_TRACE, ("ba> reassign max win size from %d to %d\n",
 109                                 *pWinSize, MaxSize));
 110
 111                 *pWinSize = MaxSize;
 112         }
 113 }
 114
 115 void Announce_Reordering_Packet(IN PRTMP_ADAPTER                        pAd,
 116                                                                 IN struct reordering_mpdu       *mpdu)
 117 {
 118         PNDIS_PACKET    pPacket;
 119
 120         pPacket = mpdu->pPacket;
 121
 122         if (mpdu->bAMSDU)
 123         {
 124                 ASSERT(0);
 125                 BA_Reorder_AMSDU_Annnounce(pAd, pPacket);
 126         }
 127         else
 128         {
 129                 //
 130                 // pass this 802.3 packet to upper layer or forward this packet to WM directly
 131                 //
 132
 133                 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pPacket, RTMP_GET_PACKET_IF(pPacket));
 134         }
 135 }
 136
 137 /*
 138  * Insert a reordering mpdu into sorted linked list by sequence no.
 139  */
 140 BOOLEAN ba_reordering_mpdu_insertsorted(struct reordering_list *list, struct reordering_mpdu *mpdu)
 141 {
 142
 143         struct reordering_mpdu **ppScan = &list->next;
 144
 145         while (*ppScan != NULL)
 146         {
 147                 if (SEQ_SMALLER((*ppScan)->Sequence, mpdu->Sequence, MAXSEQ))
 148                 {
 149                         ppScan = &(*ppScan)->next;
 150                 }
 151                 else if ((*ppScan)->Sequence == mpdu->Sequence)
 152                 {
 153                         /* give up this duplicated frame */
 154                         return(FALSE);
 155                 }
 156                 else
 157                 {
 158                         /* find position */
 159                         break;
 160                 }
 161         }
 162
 163         mpdu->next = *ppScan;
 164         *ppScan = mpdu;
 165         list->qlen++;
 166         return TRUE;
 167 }
 168
 169
 170 /*
 171  * caller lock critical section if necessary
 172  */
 173 static inline void ba_enqueue(struct reordering_list *list, struct reordering_mpdu *mpdu_blk)
 174 {
 175         list->qlen++;
 176         mpdu_blk->next = list->next;
 177         list->next = mpdu_blk;
 178 }
 179
 180 /*
 181  * caller lock critical section if necessary
 182  */
 183 static inline struct reordering_mpdu * ba_dequeue(struct reordering_list *list)
 184 {
 185         struct reordering_mpdu *mpdu_blk = NULL;
 186
 187         ASSERT(list);
 188
 189                 if (list->qlen)
 190                 {
 191                         list->qlen--;
 192                         mpdu_blk = list->next;
 193                         if (mpdu_blk)
 194                         {
 195                                 list->next = mpdu_blk->next;
 196                                 mpdu_blk->next = NULL;
 197                         }
 198                 }
 199         return mpdu_blk;
 200 }
 201
 202
 203 static inline struct reordering_mpdu  *ba_reordering_mpdu_dequeue(struct reordering_list *list)
 204 {
 205         return(ba_dequeue(list));
 206 }
 207
 208
 209 static inline struct reordering_mpdu  *ba_reordering_mpdu_probe(struct reordering_list *list)
 210         {
 211         ASSERT(list);
 212
 213                 return(list->next);
 214         }
 215
 216
 217 /*
 218  * free all resource for reordering mechanism
 219  */
 220 void ba_reordering_resource_release(PRTMP_ADAPTER pAd)
 221 {
 222         BA_TABLE        *Tab;
 223         PBA_REC_ENTRY   pBAEntry;
 224         struct reordering_mpdu *mpdu_blk;
 225         int i;
 226
 227         Tab = &pAd->BATable;
 228
 229         /* I.  release all pending reordering packet */
 230         NdisAcquireSpinLock(&pAd->BATabLock);
 231         for (i = 0; i < MAX_LEN_OF_BA_REC_TABLE; i++)
 232         {
 233                 pBAEntry = &Tab->BARecEntry[i];
 234                 if (pBAEntry->REC_BA_Status != Recipient_NONE)
 235                 {
 236                         while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
 237                         {
 238                                 ASSERT(mpdu_blk->pPacket);
 239                                 RELEASE_NDIS_PACKET(pAd, mpdu_blk->pPacket, NDIS_STATUS_FAILURE);
 240                                 ba_mpdu_blk_free(pAd, mpdu_blk);
 241                         }
 242                 }
 243         }
 244         NdisReleaseSpinLock(&pAd->BATabLock);
 245
 246         ASSERT(pBAEntry->list.qlen == 0);
 247         /* II. free memory of reordering mpdu table */
 248         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 249         os_free_mem(pAd, pAd->mpdu_blk_pool.mem);
 250         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 251 }
 252
 253
 254
 255 /*
 256  * Allocate all resource for reordering mechanism
 257  */
 258 BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num)
 259 {
 260         int     i;
 261         PUCHAR  mem;
 262         struct reordering_mpdu *mpdu_blk;
 263         struct reordering_list *freelist;
 264
 265         /* allocate spinlock */
 266         NdisAllocateSpinLock(&pAd->mpdu_blk_pool.lock);
 267
 268         /* initialize freelist */
 269         freelist = &pAd->mpdu_blk_pool.freelist;
 270         freelist->next = NULL;
 271         freelist->qlen = 0;
 272
 273         DBGPRINT(RT_DEBUG_TRACE, ("Allocate %d memory for BA reordering\n", (UINT32)(num*sizeof(struct reordering_mpdu))));
 274
 275         /* allocate number of mpdu_blk memory */
 276         os_alloc_mem(pAd, (PUCHAR *)&mem, (num*sizeof(struct reordering_mpdu)));
 277
 278         pAd->mpdu_blk_pool.mem = mem;
 279
 280         if (mem == NULL)
 281         {
 282                 DBGPRINT(RT_DEBUG_ERROR, ("Can't Allocate Memory for BA Reordering\n"));
 283                 return(FALSE);
 284         }
 285
 286         /* build mpdu_blk free list */
 287         for (i=0; i<num; i++)
 288         {
 289                 /* get mpdu_blk */
 290                 mpdu_blk = (struct reordering_mpdu *) mem;
 291                 /* initial mpdu_blk */
 292                 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
 293                 /* next mpdu_blk */
 294                 mem += sizeof(struct reordering_mpdu);
 295                 /* insert mpdu_blk into freelist */
 296                 ba_enqueue(freelist, mpdu_blk);
 297         }
 298
 299         return(TRUE);
 300 }
 301
 302 //static int blk_count=0; // sample take off, no use
 303
 304 static struct reordering_mpdu *ba_mpdu_blk_alloc(PRTMP_ADAPTER pAd)
 305 {
 306         struct reordering_mpdu *mpdu_blk;
 307
 308         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 309         mpdu_blk = ba_dequeue(&pAd->mpdu_blk_pool.freelist);
 310         if (mpdu_blk)
 311         {
 312 //              blk_count++;
 313                 /* reset mpdu_blk */
 314                 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
 315         }
 316         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 317         return mpdu_blk;
 318 }
 319
 320 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk)
 321 {
 322         ASSERT(mpdu_blk);
 323
 324         NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
 325 //      blk_count--;
 326         ba_enqueue(&pAd->mpdu_blk_pool.freelist, mpdu_blk);
 327         NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
 328 }
 329
 330
 331 static USHORT ba_indicate_reordering_mpdus_in_order(
 332                                                                                                    IN PRTMP_ADAPTER    pAd,
 333                                                                                                    IN PBA_REC_ENTRY    pBAEntry,
 334                                                                                                    IN USHORT           StartSeq)
 335 {
 336         struct reordering_mpdu *mpdu_blk;
 337         USHORT  LastIndSeq = RESET_RCV_SEQ;
 338
 339         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 340
 341         while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
 342                 {
 343                         /* find in-order frame */
 344                 if (!SEQ_STEPONE(mpdu_blk->Sequence, StartSeq, MAXSEQ))
 345                         {
 346                                 break;
 347                         }
 348                         /* dequeue in-order frame from reodering list */
 349                         mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
 350                         /* pass this frame up */
 351                 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 352                 /* move to next sequence */
 353                         StartSeq = mpdu_blk->Sequence;
 354                 LastIndSeq = StartSeq;
 355                 /* free mpdu_blk */
 356                         ba_mpdu_blk_free(pAd, mpdu_blk);
 357         }
 358
 359         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 360
 361         /* update last indicated sequence */
 362         return LastIndSeq;
 363 }
 364
 365 static void ba_indicate_reordering_mpdus_le_seq(
 366                                                                                            IN PRTMP_ADAPTER    pAd,
 367                                                                                            IN PBA_REC_ENTRY    pBAEntry,
 368                                                                                            IN USHORT           Sequence)
 369 {
 370         struct reordering_mpdu *mpdu_blk;
 371
 372         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 373         while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
 374                 {
 375                         /* find in-order frame */
 376                 if ((mpdu_blk->Sequence == Sequence) || SEQ_SMALLER(mpdu_blk->Sequence, Sequence, MAXSEQ))
 377                 {
 378                         /* dequeue in-order frame from reodering list */
 379                         mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
 380                         /* pass this frame up */
 381                         ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 382                         /* free mpdu_blk */
 383                         ba_mpdu_blk_free(pAd, mpdu_blk);
 384                 }
 385                 else
 386                         {
 387                                 break;
 388                         }
 389         }
 390         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 391 }
 392
 393
 394 static void ba_refresh_reordering_mpdus(
 395                                                                            IN PRTMP_ADAPTER    pAd,
 396                                                                            PBA_REC_ENTRY       pBAEntry)
 397 {
 398         struct reordering_mpdu *mpdu_blk;
 399
 400         NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
 401
 402                         /* dequeue in-order frame from reodering list */
 403         while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
 404         {
 405                         /* pass this frame up */
 406                 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
 407
 408                 pBAEntry->LastIndSeq = mpdu_blk->Sequence;
 409                         ba_mpdu_blk_free(pAd, mpdu_blk);
 410
 411                 /* update last indicated sequence */
 412         }
 413         ASSERT(pBAEntry->list.qlen == 0);
 414         pBAEntry->LastIndSeq = RESET_RCV_SEQ;
 415         NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
 416 }
 417
 418
 419 //static
 420 void ba_flush_reordering_timeout_mpdus(
 421                                                                         IN PRTMP_ADAPTER    pAd,
 422                                                                         IN PBA_REC_ENTRY    pBAEntry,
 423                                                                         IN ULONG            Now32)
 424
 425 {
 426         USHORT Sequence;
 427
 428 //      if ((RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+REORDERING_PACKET_TIMEOUT)) &&
 429 //               (pBAEntry->list.qlen > ((pBAEntry->BAWinSize*7)/8))) //||
 430 //              (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(10*REORDERING_PACKET_TIMEOUT))) &&
 431 //               (pBAEntry->list.qlen > (pBAEntry->BAWinSize/8)))
 432         if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(MAX_REORDERING_PACKET_TIMEOUT/6)))
 433                  &&(pBAEntry->list.qlen > 1)
 434                 )
 435         {
 436                 DBGPRINT(RT_DEBUG_TRACE,("timeout[%d] (%08lx-%08lx = %d > %d): %x, flush all!\n ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
 437                            (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), MAX_REORDERING_PACKET_TIMEOUT,
 438                            pBAEntry->LastIndSeq));
 439                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 440                 pBAEntry->LastIndSeqAtTimer = Now32;
 441         }
 442         else
 443         if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(REORDERING_PACKET_TIMEOUT)))
 444                 && (pBAEntry->list.qlen > 0)
 445            )
 446                 {
 447 //              printk("timeout[%d] (%lx-%lx = %d > %d): %x, ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
 448 //                         (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), REORDERING_PACKET_TIMEOUT,
 449 //                         pBAEntry->LastIndSeq);
 450                 //
 451                 // force LastIndSeq to shift to LastIndSeq+1
 452                 //
 453                 Sequence = (pBAEntry->LastIndSeq+1) & MAXSEQ;
 454                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
 455                 pBAEntry->LastIndSeqAtTimer = Now32;
 456                         pBAEntry->LastIndSeq = Sequence;
 457                 //
 458                 // indicate in-order mpdus
 459                 //
 460                 Sequence = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, Sequence);
 461                 if (Sequence != RESET_RCV_SEQ)
 462                 {
 463                         pBAEntry->LastIndSeq = Sequence;
 464                 }
 465
 466                 //printk("%x, flush one!\n", pBAEntry->LastIndSeq);
 467
 468         }
 469 #if 0
 470         else if (
 471                          (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(MAX_REORDERING_PACKET_TIMEOUT))) &&
 472                           (pBAEntry->list.qlen > 1))
 473                         )
 474                 {
 475                 DBGPRINT(RT_DEBUG_TRACE,("timeout[%d] (%lx-%lx = %d > %d): %x\n ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
 476                            (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), MAX_REORDERING_PACKET_TIMEOUT,
 477                            pBAEntry->LastIndSeq));
 478                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 479                         pBAEntry->LastIndSeqAtTimer = Now32;
 480                                 }
 481 #endif
 482 }
 483
 484
 485 /*
 486  * generate ADDBA request to
 487  * set up BA agreement
 488  */
 489 VOID BAOriSessionSetUp(
 490                                           IN PRTMP_ADAPTER    pAd,
 491                                           IN MAC_TABLE_ENTRY  *pEntry,
 492                                           IN UCHAR            TID,
 493                                           IN USHORT           TimeOut,
 494                                           IN ULONG            DelayTime,
 495                                           IN BOOLEAN          isForced)
 496
 497 {
 498         //MLME_ADDBA_REQ_STRUCT AddbaReq;
 499         BA_ORI_ENTRY            *pBAEntry = NULL;
 500         USHORT                  Idx;
 501         BOOLEAN                 Cancelled;
 502
 503         if ((pAd->CommonCfg.BACapability.field.AutoBA != TRUE)  &&  (isForced == FALSE))
 504                 return;
 505
 506         // if this entry is limited to use legacy tx mode, it doesn't generate BA.
 507         if (RTMPStaFixedTxMode(pAd, pEntry) != FIXED_TXMODE_HT)
 508                 return;
 509
 510         if ((pEntry->BADeclineBitmap & (1<<TID)) && (isForced == FALSE))
 511         {
 512                 // try again after 3 secs
 513                 DelayTime = 3000;
 514 //              printk("DeCline BA from Peer\n");
 515 //              return;
 516         }
 517
 518
 519         Idx = pEntry->BAOriWcidArray[TID];
 520         if (Idx == 0)
 521         {
 522                 // allocate a BA session
 523                 pBAEntry = BATableAllocOriEntry(pAd, &Idx);
 524                 if (pBAEntry == NULL)
 525                 {
 526                         DBGPRINT(RT_DEBUG_TRACE,("ADDBA - MlmeADDBAAction() allocate BA session failed \n"));
 527                         return;
 528                 }
 529         }
 530         else
 531         {
 532                 pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 533         }
 534
 535         if (pBAEntry->ORI_BA_Status >= Originator_WaitRes)
 536         {
 537                 return;
 538         }
 539
 540         pEntry->BAOriWcidArray[TID] = Idx;
 541
 542         // Initialize BA session
 543         pBAEntry->ORI_BA_Status = Originator_WaitRes;
 544         pBAEntry->Wcid = pEntry->Aid;
 545         pBAEntry->BAWinSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
 546         pBAEntry->Sequence = BA_ORI_INIT_SEQ;
 547         pBAEntry->Token = 1;    // (2008-01-21) Jan Lee recommends it - this token can't be 0
 548         pBAEntry->TID = TID;
 549         pBAEntry->TimeOutValue = TimeOut;
 550         pBAEntry->pAdapter = pAd;
 551
 552         if (!(pEntry->TXBAbitmap & (1<<TID)))
 553         {
 554                 RTMPInitTimer(pAd, &pBAEntry->ORIBATimer, GET_TIMER_FUNCTION(BAOriSessionSetupTimeout), pBAEntry, FALSE);
 555         }
 556         else
 557                 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 558
 559         // set timer to send ADDBA request
 560         RTMPSetTimer(&pBAEntry->ORIBATimer, DelayTime);
 561 }
 562
 563 VOID BAOriSessionAdd(
 564                         IN PRTMP_ADAPTER    pAd,
 565                                         IN MAC_TABLE_ENTRY  *pEntry,
 566                         IN PFRAME_ADDBA_RSP pFrame)
 567 {
 568         BA_ORI_ENTRY  *pBAEntry = NULL;
 569         BOOLEAN       Cancelled;
 570         UCHAR         TID;
 571         USHORT        Idx;
 572         PUCHAR          pOutBuffer2 = NULL;
 573         NDIS_STATUS     NStatus;
 574         ULONG           FrameLen;
 575         FRAME_BAR       FrameBar;
 576
 577         TID = pFrame->BaParm.TID;
 578         Idx = pEntry->BAOriWcidArray[TID];
 579         pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 580
 581         // Start fill in parameters.
 582         if ((Idx !=0) && (pBAEntry->TID == TID) && (pBAEntry->ORI_BA_Status == Originator_WaitRes))
 583         {
 584                 pBAEntry->BAWinSize = min(pBAEntry->BAWinSize, ((UCHAR)pFrame->BaParm.BufSize));
 585                 BA_MaxWinSizeReasign(pAd, pEntry, &pBAEntry->BAWinSize);
 586
 587                 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
 588                 pBAEntry->ORI_BA_Status = Originator_Done;
 589                 // reset sequence number
 590                 pBAEntry->Sequence = BA_ORI_INIT_SEQ;
 591                 // Set Bitmap flag.
 592                 pEntry->TXBAbitmap |= (1<<TID);
 593                                 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 594
 595                 pBAEntry->ORIBATimer.TimerValue = 0;    //pFrame->TimeOutValue;
 596
 597                 DBGPRINT(RT_DEBUG_TRACE,("%s : TXBAbitmap = %x, BAWinSize = %d, TimeOut = %ld\n", __func__, pEntry->TXBAbitmap,
 598                                                                  pBAEntry->BAWinSize, pBAEntry->ORIBATimer.TimerValue));
 599
 600                 // SEND BAR ;
 601                 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer2);  //Get an unused nonpaged memory
 602                 if (NStatus != NDIS_STATUS_SUCCESS)
 603                 {
 604                         DBGPRINT(RT_DEBUG_TRACE,("BA - BAOriSessionAdd() allocate memory failed \n"));
 605                         return;
 606                 }
 607
 608                 BarHeaderInit(pAd, &FrameBar, pAd->MacTab.Content[pBAEntry->Wcid].Addr, pAd->CurrentAddress);
 609
 610                 FrameBar.StartingSeq.field.FragNum = 0; // make sure sequence not clear in DEL function.
 611                 FrameBar.StartingSeq.field.StartSeq = pBAEntry->Sequence; // make sure sequence not clear in DEL funciton.
 612                 FrameBar.BarControl.TID = pBAEntry->TID; // make sure sequence not clear in DEL funciton.
 613                 MakeOutgoingFrame(pOutBuffer2,              &FrameLen,
 614                                                   sizeof(FRAME_BAR),      &FrameBar,
 615                                           END_OF_ARGS);
 616                 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer2, FrameLen);
 617                 MlmeFreeMemory(pAd, pOutBuffer2);
 618
 619
 620                 if (pBAEntry->ORIBATimer.TimerValue)
 621                         RTMPSetTimer(&pBAEntry->ORIBATimer, pBAEntry->ORIBATimer.TimerValue); // in mSec
 622         }
 623 }
 624
 625 BOOLEAN BARecSessionAdd(
 626                                            IN PRTMP_ADAPTER    pAd,
 627                                            IN MAC_TABLE_ENTRY  *pEntry,
 628                                            IN PFRAME_ADDBA_REQ pFrame)
 629 {
 630         BA_REC_ENTRY            *pBAEntry = NULL;
 631         BOOLEAN                 Status = TRUE;
 632         BOOLEAN                 Cancelled;
 633         USHORT                  Idx;
 634         UCHAR                   TID;
 635         UCHAR                   BAWinSize;
 636         //UINT32                  Value;
 637         //UINT                    offset;
 638
 639
 640         ASSERT(pEntry);
 641
 642         // find TID
 643         TID = pFrame->BaParm.TID;
 644
 645         BAWinSize = min(((UCHAR)pFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
 646
 647         // Intel patch
 648         if (BAWinSize == 0)
 649         {
 650                 BAWinSize = 64;
 651         }
 652
 653         Idx = pEntry->BARecWcidArray[TID];
 654
 655
 656         if (Idx == 0)
 657         {
 658                 pBAEntry = BATableAllocRecEntry(pAd, &Idx);
 659         }
 660         else
 661         {
 662                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
 663                 // flush all pending reordering mpdus
 664                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
 665         }
 666
 667         DBGPRINT(RT_DEBUG_TRACE,("%s(%ld): Idx = %d, BAWinSize(req %d) = %d\n", __func__, pAd->BATable.numAsRecipient, Idx,
 668                                                          pFrame->BaParm.BufSize, BAWinSize));
 669
 670         // Start fill in parameters.
 671         if (pBAEntry != NULL)
 672         {
 673                 ASSERT(pBAEntry->list.qlen == 0);
 674
 675                 pBAEntry->REC_BA_Status = Recipient_HandleRes;
 676                 pBAEntry->BAWinSize = BAWinSize;
 677                 pBAEntry->Wcid = pEntry->Aid;
 678                 pBAEntry->TID = TID;
 679                 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
 680                 pBAEntry->REC_BA_Status = Recipient_Accept;
 681                 // initial sequence number
 682                 pBAEntry->LastIndSeq = RESET_RCV_SEQ; //pFrame->BaStartSeq.field.StartSeq;
 683
 684                 printk("Start Seq = %08x\n",  pFrame->BaStartSeq.field.StartSeq);
 685
 686                 if (pEntry->RXBAbitmap & (1<<TID))
 687                 {
 688                         RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
 689                 }
 690                 else
 691                 {
 692                         RTMPInitTimer(pAd, &pBAEntry->RECBATimer, GET_TIMER_FUNCTION(BARecSessionIdleTimeout), pBAEntry, TRUE);
 693                 }
 694
 695 #if 0   // for debugging
 696                 RTMPSetTimer(&pBAEntry->RECBATimer, REC_BA_SESSION_IDLE_TIMEOUT);
 697 #endif
 698
 699                 // Set Bitmap flag.
 700                 pEntry->RXBAbitmap |= (1<<TID);
 701                 pEntry->BARecWcidArray[TID] = Idx;
 702
 703                 pEntry->BADeclineBitmap &= ~(1<<TID);
 704
 705                 // Set BA session mask in WCID table.
 706                 RT28XX_ADD_BA_SESSION_TO_ASIC(pAd, pEntry->Aid, TID);
 707
 708                 DBGPRINT(RT_DEBUG_TRACE,("MACEntry[%d]RXBAbitmap = 0x%x. BARecWcidArray=%d\n",
 709                                 pEntry->Aid, pEntry->RXBAbitmap, pEntry->BARecWcidArray[TID]));
 710         }
 711         else
 712         {
 713                 Status = FALSE;
 714                 DBGPRINT(RT_DEBUG_TRACE,("Can't Accept ADDBA for %02x:%02x:%02x:%02x:%02x:%02x TID = %d\n",
 715                                 PRINT_MAC(pEntry->Addr), TID));
 716         }
 717         return(Status);
 718 }
 719
 720
 721 BA_REC_ENTRY *BATableAllocRecEntry(
 722                                                                   IN  PRTMP_ADAPTER   pAd,
 723                                                                   OUT USHORT          *Idx)
 724 {
 725         int             i;
 726         BA_REC_ENTRY    *pBAEntry = NULL;
 727
 728
 729         NdisAcquireSpinLock(&pAd->BATabLock);
 730
 731         if (pAd->BATable.numAsRecipient >= MAX_BARECI_SESSION)
 732         {
 733                 printk("BA Recipeint Session (%ld) > %d\n", pAd->BATable.numAsRecipient,
 734                         MAX_BARECI_SESSION);
 735                 goto done;
 736         }
 737
 738         // reserve idx 0 to identify BAWcidArray[TID] as empty
 739         for (i=1; i < MAX_LEN_OF_BA_REC_TABLE; i++)
 740         {
 741                 pBAEntry =&pAd->BATable.BARecEntry[i];
 742                 if ((pBAEntry->REC_BA_Status == Recipient_NONE))
 743                 {
 744                         // get one
 745                         pAd->BATable.numAsRecipient++;
 746                         pBAEntry->REC_BA_Status = Recipient_USED;
 747                         *Idx = i;
 748                         break;
 749                 }
 750         }
 751
 752 done:
 753         NdisReleaseSpinLock(&pAd->BATabLock);
 754         return pBAEntry;
 755 }
 756
 757 BA_ORI_ENTRY *BATableAllocOriEntry(
 758                                                                   IN  PRTMP_ADAPTER   pAd,
 759                                                                   OUT USHORT          *Idx)
 760 {
 761         int             i;
 762         BA_ORI_ENTRY    *pBAEntry = NULL;
 763
 764         NdisAcquireSpinLock(&pAd->BATabLock);
 765
 766         if (pAd->BATable.numAsOriginator >= (MAX_LEN_OF_BA_ORI_TABLE))
 767         {
 768                 goto done;
 769         }
 770
 771         // reserve idx 0 to identify BAWcidArray[TID] as empty
 772         for (i=1; i<MAX_LEN_OF_BA_ORI_TABLE; i++)
 773         {
 774                 pBAEntry =&pAd->BATable.BAOriEntry[i];
 775                 if ((pBAEntry->ORI_BA_Status == Originator_NONE))
 776                 {
 777                         // get one
 778                         pAd->BATable.numAsOriginator++;
 779                         pBAEntry->ORI_BA_Status = Originator_USED;
 780                         pBAEntry->pAdapter = pAd;
 781                         *Idx = i;
 782                         break;
 783                 }
 784         }
 785
 786 done:
 787         NdisReleaseSpinLock(&pAd->BATabLock);
 788         return pBAEntry;
 789 }
 790
 791
 792 VOID BATableFreeOriEntry(
 793                                                 IN  PRTMP_ADAPTER   pAd,
 794                                                 IN  ULONG           Idx)
 795 {
 796         BA_ORI_ENTRY    *pBAEntry = NULL;
 797         MAC_TABLE_ENTRY *pEntry;
 798
 799
 800         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
 801                 return;
 802
 803         pBAEntry =&pAd->BATable.BAOriEntry[Idx];
 804
 805         if (pBAEntry->ORI_BA_Status != Originator_NONE)
 806         {
 807                 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
 808                 pEntry->BAOriWcidArray[pBAEntry->TID] = 0;
 809
 810
 811                 NdisAcquireSpinLock(&pAd->BATabLock);
 812                 if (pBAEntry->ORI_BA_Status == Originator_Done)
 813                 {
 814                         pEntry->TXBAbitmap &= (~(1<<(pBAEntry->TID) ));
 815                         DBGPRINT(RT_DEBUG_TRACE, ("BATableFreeOriEntry numAsOriginator= %ld\n", pAd->BATable.numAsRecipient));
 816                         // Erase Bitmap flag.
 817                 }
 818
 819                 ASSERT(pAd->BATable.numAsOriginator != 0);
 820
 821                 pAd->BATable.numAsOriginator -= 1;
 822
 823                 pBAEntry->ORI_BA_Status = Originator_NONE;
 824                 pBAEntry->Token = 0;
 825                 NdisReleaseSpinLock(&pAd->BATabLock);
 826         }
 827 }
 828
 829
 830 VOID BATableFreeRecEntry(
 831                                                 IN  PRTMP_ADAPTER   pAd,
 832                                                 IN  ULONG           Idx)
 833 {
 834         BA_REC_ENTRY    *pBAEntry = NULL;
 835         MAC_TABLE_ENTRY *pEntry;
 836
 837
 838         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_REC_TABLE))
 839                 return;
 840
 841         pBAEntry =&pAd->BATable.BARecEntry[Idx];
 842
 843         if (pBAEntry->REC_BA_Status != Recipient_NONE)
 844         {
 845                 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
 846                 pEntry->BARecWcidArray[pBAEntry->TID] = 0;
 847
 848                 NdisAcquireSpinLock(&pAd->BATabLock);
 849
 850                 ASSERT(pAd->BATable.numAsRecipient != 0);
 851
 852                 pAd->BATable.numAsRecipient -= 1;
 853
 854                 pBAEntry->REC_BA_Status = Recipient_NONE;
 855                 NdisReleaseSpinLock(&pAd->BATabLock);
 856         }
 857 }
 858
 859
 860 VOID BAOriSessionTearDown(
 861                                                  IN OUT  PRTMP_ADAPTER   pAd,
 862                                                  IN      UCHAR           Wcid,
 863                                                  IN      UCHAR           TID,
 864                                                  IN      BOOLEAN         bPassive,
 865                                                  IN      BOOLEAN         bForceSend)
 866 {
 867         ULONG           Idx = 0;
 868         BA_ORI_ENTRY    *pBAEntry;
 869         BOOLEAN         Cancelled;
 870
 871         if (Wcid >= MAX_LEN_OF_MAC_TABLE)
 872         {
 873                 return;
 874         }
 875
 876         //
 877         // Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
 878         //
 879         Idx = pAd->MacTab.Content[Wcid].BAOriWcidArray[TID];
 880         if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
 881         {
 882                 if (bForceSend == TRUE)
 883                 {
 884                         // force send specified TID DelBA
 885                         MLME_DELBA_REQ_STRUCT   DelbaReq;
 886                         MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 887
 888                         NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 889                         NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 890
 891                         COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
 892                         DelbaReq.Wcid = Wcid;
 893                         DelbaReq.TID = TID;
 894                         DelbaReq.Initiator = ORIGINATOR;
 895 #if 1
 896                         Elem->MsgLen  = sizeof(DelbaReq);
 897                         NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
 898                         MlmeDELBAAction(pAd, Elem);
 899                         kfree(Elem);
 900 #else
 901                         MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
 902                         RT28XX_MLME_HANDLER(pAd);
 903 #endif
 904                 }
 905
 906                 return;
 907         }
 908
 909         DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
 910
 911         pBAEntry = &pAd->BATable.BAOriEntry[Idx];
 912         DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, ORI_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->ORI_BA_Status));
 913         //
 914         // Prepare DelBA action frame and send to the peer.
 915         //
 916         if ((bPassive == FALSE) && (TID == pBAEntry->TID) && (pBAEntry->ORI_BA_Status == Originator_Done))
 917         {
 918                 MLME_DELBA_REQ_STRUCT   DelbaReq;
 919                 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 920
 921                 NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 922                 NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 923
 924                 COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
 925                 DelbaReq.Wcid = Wcid;
 926                 DelbaReq.TID = pBAEntry->TID;
 927                 DelbaReq.Initiator = ORIGINATOR;
 928 #if 1
 929                 Elem->MsgLen  = sizeof(DelbaReq);
 930                 NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
 931                 MlmeDELBAAction(pAd, Elem);
 932                 kfree(Elem);
 933 #else
 934                 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
 935                 RT28XX_MLME_HANDLER(pAd);
 936 #endif
 937         }
 938         RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
 939         BATableFreeOriEntry(pAd, Idx);
 940
 941         if (bPassive)
 942         {
 943                 //BAOriSessionSetUp(pAd, &pAd->MacTab.Content[Wcid], TID, 0, 10000, TRUE);
 944         }
 945 }
 946
 947 VOID BARecSessionTearDown(
 948                                                  IN OUT  PRTMP_ADAPTER   pAd,
 949                                                  IN      UCHAR           Wcid,
 950                                                  IN      UCHAR           TID,
 951                                                  IN      BOOLEAN         bPassive)
 952 {
 953         ULONG           Idx = 0;
 954         BA_REC_ENTRY    *pBAEntry;
 955
 956         if (Wcid >= MAX_LEN_OF_MAC_TABLE)
 957         {
 958                 return;
 959         }
 960
 961         //
 962         //  Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
 963         //
 964         Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
 965         if (Idx == 0)
 966                 return;
 967
 968         DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
 969
 970
 971         pBAEntry = &pAd->BATable.BARecEntry[Idx];
 972         DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, REC_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->REC_BA_Status));
 973         //
 974         // Prepare DelBA action frame and send to the peer.
 975         //
 976         if ((TID == pBAEntry->TID) && (pBAEntry->REC_BA_Status == Recipient_Accept))
 977         {
 978                 MLME_DELBA_REQ_STRUCT   DelbaReq;
 979                 BOOLEAN                                 Cancelled;
 980                 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
 981                 //ULONG   offset;
 982                 //UINT32  VALUE;
 983
 984                 RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
 985
 986                 //
 987                 // 1. Send DELBA Action Frame
 988                 //
 989                 if (bPassive == FALSE)
 990                 {
 991                         NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
 992                         NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
 993
 994                         COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
 995                         DelbaReq.Wcid = Wcid;
 996                         DelbaReq.TID = TID;
 997                         DelbaReq.Initiator = RECIPIENT;
 998 #if 1
 999                         Elem->MsgLen  = sizeof(DelbaReq);
1000                         NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
1001                         MlmeDELBAAction(pAd, Elem);
1002                         kfree(Elem);
1003 #else
1004                         MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
1005                         RT28XX_MLME_HANDLER(pAd);
1006 #endif
1007                 }
1008
1009
1010                 //
1011                 // 2. Free resource of BA session
1012                 //
1013                 // flush all pending reordering mpdus
1014                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1015
1016                 NdisAcquireSpinLock(&pAd->BATabLock);
1017
1018                 // Erase Bitmap flag.
1019                 pBAEntry->LastIndSeq = RESET_RCV_SEQ;
1020                 pBAEntry->BAWinSize = 0;
1021                 // Erase Bitmap flag at software mactable
1022                 pAd->MacTab.Content[Wcid].RXBAbitmap &= (~(1<<(pBAEntry->TID)));
1023                 pAd->MacTab.Content[Wcid].BARecWcidArray[TID] = 0;
1024
1025                 RT28XX_DEL_BA_SESSION_FROM_ASIC(pAd, Wcid, TID);
1026
1027                 NdisReleaseSpinLock(&pAd->BATabLock);
1028
1029         }
1030
1031         BATableFreeRecEntry(pAd, Idx);
1032 }
1033
1034 VOID BASessionTearDownALL(
1035                                                  IN OUT  PRTMP_ADAPTER pAd,
1036                                                  IN      UCHAR Wcid)
1037 {
1038         int i;
1039
1040         for (i=0; i<NUM_OF_TID; i++)
1041         {
1042                 BAOriSessionTearDown(pAd, Wcid, i, FALSE, FALSE);
1043                 BARecSessionTearDown(pAd, Wcid, i, FALSE);
1044         }
1045 }
1046
1047
1048 /*
1049         ==========================================================================
1050         Description:
1051                 Retry sending ADDBA Reqest.
1052
1053         IRQL = DISPATCH_LEVEL
1054
1055         Parametrs:
1056         p8023Header: if this is already 802.3 format, p8023Header is NULL
1057
1058         Return  : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1059                                 FALSE , then continue indicaterx at this moment.
1060         ==========================================================================
1061  */
1062 VOID BAOriSessionSetupTimeout(
1063     IN PVOID SystemSpecific1,
1064     IN PVOID FunctionContext,
1065     IN PVOID SystemSpecific2,
1066     IN PVOID SystemSpecific3)
1067 {
1068         BA_ORI_ENTRY    *pBAEntry = (BA_ORI_ENTRY *)FunctionContext;
1069         MAC_TABLE_ENTRY *pEntry;
1070         PRTMP_ADAPTER   pAd;
1071
1072         if (pBAEntry == NULL)
1073                 return;
1074
1075         pAd = pBAEntry->pAdapter;
1076
1077         // Do nothing if monitor mode is on
1078         if (MONITOR_ON(pAd))
1079                 return;
1080
1081         pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
1082
1083         if ((pBAEntry->ORI_BA_Status == Originator_WaitRes) && (pBAEntry->Token < ORI_SESSION_MAX_RETRY))
1084         {
1085                 MLME_ADDBA_REQ_STRUCT    AddbaReq;
1086
1087                 NdisZeroMemory(&AddbaReq, sizeof(AddbaReq));
1088                 COPY_MAC_ADDR(AddbaReq.pAddr, pEntry->Addr);
1089                 AddbaReq.Wcid = (UCHAR)(pEntry->Aid);
1090                 AddbaReq.TID = pBAEntry->TID;
1091                 AddbaReq.BaBufSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
1092                 AddbaReq.TimeOutValue = 0;
1093                 AddbaReq.Token = pBAEntry->Token;
1094                 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ADD_BA_CATE, sizeof(MLME_ADDBA_REQ_STRUCT), (PVOID)&AddbaReq);
1095                 RT28XX_MLME_HANDLER(pAd);
1096                 DBGPRINT(RT_DEBUG_TRACE,("BA Ori Session Timeout(%d) : Send ADD BA again\n", pBAEntry->Token));
1097
1098                 pBAEntry->Token++;
1099                 RTMPSetTimer(&pBAEntry->ORIBATimer, ORI_BA_SESSION_TIMEOUT);
1100         }
1101         else
1102         {
1103                 BATableFreeOriEntry(pAd, pEntry->BAOriWcidArray[pBAEntry->TID]);
1104         }
1105 }
1106
1107 /*
1108         ==========================================================================
1109         Description:
1110                 Retry sending ADDBA Reqest.
1111
1112         IRQL = DISPATCH_LEVEL
1113
1114         Parametrs:
1115         p8023Header: if this is already 802.3 format, p8023Header is NULL
1116
1117         Return  : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1118                                 FALSE , then continue indicaterx at this moment.
1119         ==========================================================================
1120  */
1121 VOID BARecSessionIdleTimeout(
1122     IN PVOID SystemSpecific1,
1123     IN PVOID FunctionContext,
1124     IN PVOID SystemSpecific2,
1125     IN PVOID SystemSpecific3)
1126 {
1127
1128         BA_REC_ENTRY    *pBAEntry = (BA_REC_ENTRY *)FunctionContext;
1129         PRTMP_ADAPTER   pAd;
1130         ULONG           Now32;
1131
1132         if (pBAEntry == NULL)
1133                 return;
1134
1135         if ((pBAEntry->REC_BA_Status == Recipient_Accept))
1136         {
1137                 NdisGetSystemUpTime(&Now32);
1138
1139                 if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer + REC_BA_SESSION_IDLE_TIMEOUT)))
1140                 {
1141                         pAd = pBAEntry->pAdapter;
1142                         // flush all pending reordering mpdus
1143                         ba_refresh_reordering_mpdus(pAd, pBAEntry);
1144                         printk("%ld: REC BA session Timeout\n", Now32);
1145                 }
1146         }
1147 }
1148
1149
1150 VOID PeerAddBAReqAction(
1151         IN PRTMP_ADAPTER pAd,
1152         IN MLME_QUEUE_ELEM *Elem)
1153
1154 {
1155         //      7.4.4.1
1156         //ULONG Idx;
1157         UCHAR   Status = 1;
1158         UCHAR   pAddr[6];
1159         FRAME_ADDBA_RSP ADDframe;
1160         PUCHAR         pOutBuffer = NULL;
1161         NDIS_STATUS     NStatus;
1162         PFRAME_ADDBA_REQ  pAddreqFrame = NULL;
1163         //UCHAR         BufSize;
1164         ULONG       FrameLen;
1165         PULONG      ptemp;
1166         PMAC_TABLE_ENTRY        pMacEntry;
1167
1168         DBGPRINT(RT_DEBUG_TRACE, ("%s ==> (Wcid = %d)\n", __func__, Elem->Wcid));
1169
1170         //hex_dump("AddBAReq", Elem->Msg, Elem->MsgLen);
1171
1172         //ADDBA Request from unknown peer, ignore this.
1173         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1174                 return;
1175
1176         pMacEntry = &pAd->MacTab.Content[Elem->Wcid];
1177         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerAddBAReqAction----> \n"));
1178         ptemp = (PULONG)Elem->Msg;
1179         //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)));
1180
1181         if (PeerAddBAReqActionSanity(pAd, Elem->Msg, Elem->MsgLen, pAddr))
1182         {
1183
1184                 if ((pAd->CommonCfg.bBADecline == FALSE) && IS_HT_STA(pMacEntry))
1185                 {
1186                         pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1187                         printk("Rcv Wcid(%d) AddBAReq\n", Elem->Wcid);
1188                         if (BARecSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pAddreqFrame))
1189                                 Status = 0;
1190                         else
1191                                 Status = 38; // more parameters have invalid values
1192                 }
1193                 else
1194                 {
1195                         Status = 37; // the request has been declined.
1196                 }
1197         }
1198
1199         if (pAd->MacTab.Content[Elem->Wcid].ValidAsCLI)
1200                 ASSERT(pAd->MacTab.Content[Elem->Wcid].Sst == SST_ASSOC);
1201
1202         pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1203         // 2. Always send back ADDBA Response
1204         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1205         if (NStatus != NDIS_STATUS_SUCCESS)
1206         {
1207                 DBGPRINT(RT_DEBUG_TRACE,("ACTION - PeerBAAction() allocate memory failed \n"));
1208                 return;
1209         }
1210
1211         NdisZeroMemory(&ADDframe, sizeof(FRAME_ADDBA_RSP));
1212
1213         // 2-1. Prepare ADDBA Response frame.
1214         {
1215                 if (ADHOC_ON(pAd))
1216                         ActHeaderInit(pAd, &ADDframe.Hdr, pAddr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
1217                 else
1218                         ActHeaderInit(pAd, &ADDframe.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAddr);
1219         }
1220
1221         ADDframe.Category = CATEGORY_BA;
1222         ADDframe.Action = ADDBA_RESP;
1223         ADDframe.Token = pAddreqFrame->Token;
1224         // What is the Status code??  need to check.
1225         ADDframe.StatusCode = Status;
1226         ADDframe.BaParm.BAPolicy = IMMED_BA;
1227         ADDframe.BaParm.AMSDUSupported = 0;
1228         ADDframe.BaParm.TID = pAddreqFrame->BaParm.TID;
1229         ADDframe.BaParm.BufSize = min(((UCHAR)pAddreqFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
1230         if (ADDframe.BaParm.BufSize == 0)
1231         {
1232                 ADDframe.BaParm.BufSize = 64;
1233         }
1234         ADDframe.TimeOutValue = 0; //pAddreqFrame->TimeOutValue;
1235
1236         *(USHORT *)(&ADDframe.BaParm) = cpu2le16(*(USHORT *)(&ADDframe.BaParm));
1237         ADDframe.StatusCode = cpu2le16(ADDframe.StatusCode);
1238         ADDframe.TimeOutValue = cpu2le16(ADDframe.TimeOutValue);
1239
1240         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
1241                                           sizeof(FRAME_ADDBA_RSP),  &ADDframe,
1242                           END_OF_ARGS);
1243         MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1244         MlmeFreeMemory(pAd, pOutBuffer);
1245
1246         DBGPRINT(RT_DEBUG_TRACE, ("%s(%d): TID(%d), BufSize(%d) <== \n", __func__, Elem->Wcid, ADDframe.BaParm.TID,
1247                                                           ADDframe.BaParm.BufSize));
1248 }
1249
1250
1251 VOID PeerAddBARspAction(
1252         IN PRTMP_ADAPTER pAd,
1253         IN MLME_QUEUE_ELEM *Elem)
1254
1255 {
1256         //UCHAR         Idx, i;
1257         //PUCHAR                   pOutBuffer = NULL;
1258         PFRAME_ADDBA_RSP    pFrame = NULL;
1259         //PBA_ORI_ENTRY         pBAEntry;
1260
1261         //ADDBA Response from unknown peer, ignore this.
1262         if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1263                 return;
1264
1265         DBGPRINT(RT_DEBUG_TRACE, ("%s ==> Wcid(%d)\n", __func__, Elem->Wcid));
1266
1267         //hex_dump("PeerAddBARspAction()", Elem->Msg, Elem->MsgLen);
1268
1269         if (PeerAddBARspActionSanity(pAd, Elem->Msg, Elem->MsgLen))
1270         {
1271                 pFrame = (PFRAME_ADDBA_RSP)(&Elem->Msg[0]);
1272
1273                 DBGPRINT(RT_DEBUG_TRACE, ("\t\t StatusCode = %d\n", pFrame->StatusCode));
1274                 switch (pFrame->StatusCode)
1275                 {
1276                         case 0:
1277                                 // I want a BAsession with this peer as an originator.
1278                                 BAOriSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pFrame);
1279                                 break;
1280                         default:
1281                                 // check status == USED ???
1282                                 BAOriSessionTearDown(pAd, Elem->Wcid, pFrame->BaParm.TID, TRUE, FALSE);
1283                                 break;
1284                 }
1285                 // Rcv Decline StatusCode
1286                 if ((pFrame->StatusCode == 37)
1287             || ((pAd->OpMode == OPMODE_STA) && STA_TGN_WIFI_ON(pAd) && (pFrame->StatusCode != 0))
1288             )
1289                 {
1290                         pAd->MacTab.Content[Elem->Wcid].BADeclineBitmap |= 1<<pFrame->BaParm.TID;
1291                 }
1292         }
1293 }
1294
1295 VOID PeerDelBAAction(
1296         IN PRTMP_ADAPTER pAd,
1297         IN MLME_QUEUE_ELEM *Elem)
1298
1299 {
1300         //UCHAR                         Idx;
1301         //PUCHAR                                pOutBuffer = NULL;
1302         PFRAME_DELBA_REQ    pDelFrame = NULL;
1303
1304         DBGPRINT(RT_DEBUG_TRACE,("%s ==>\n", __func__));
1305         //DELBA Request from unknown peer, ignore this.
1306         if (PeerDelBAActionSanity(pAd, Elem->Wcid, Elem->Msg, Elem->MsgLen))
1307         {
1308                 pDelFrame = (PFRAME_DELBA_REQ)(&Elem->Msg[0]);
1309                 if (pDelFrame->DelbaParm.Initiator == ORIGINATOR)
1310                 {
1311                         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> ORIGINATOR\n"));
1312                         BARecSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE);
1313                 }
1314                 else
1315                 {
1316                         DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> RECIPIENT, Reason = %d\n",  pDelFrame->ReasonCode));
1317                         //hex_dump("DelBA Frame", pDelFrame, Elem->MsgLen);
1318                         BAOriSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE, FALSE);
1319                 }
1320         }
1321 }
1322
1323
1324 BOOLEAN CntlEnqueueForRecv(
1325                                                   IN PRTMP_ADAPTER              pAd,
1326                                                   IN ULONG                              Wcid,
1327                                                   IN ULONG                              MsgLen,
1328                                                   IN PFRAME_BA_REQ              pMsg)
1329 {
1330         PFRAME_BA_REQ   pFrame = pMsg;
1331         //PRTMP_REORDERBUF      pBuffer;
1332         //PRTMP_REORDERBUF      pDmaBuf;
1333         PBA_REC_ENTRY pBAEntry;
1334         //BOOLEAN       Result;
1335         ULONG   Idx;
1336         //UCHAR NumRxPkt;
1337         UCHAR   TID;//, i;
1338
1339         TID = (UCHAR)pFrame->BARControl.TID;
1340
1341         DBGPRINT(RT_DEBUG_TRACE, ("%s(): BAR-Wcid(%ld), Tid (%d)\n", __func__, Wcid, TID));
1342         //hex_dump("BAR", (PCHAR) pFrame, MsgLen);
1343         // Do nothing if the driver is starting halt state.
1344         // This might happen when timer already been fired before cancel timer with mlmehalt
1345         if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
1346                 return FALSE;
1347
1348         // First check the size, it MUST not exceed the mlme queue size
1349         if (MsgLen > MGMT_DMA_BUFFER_SIZE)
1350         {
1351                 DBGPRINT_ERR(("CntlEnqueueForRecv: frame too large, size = %ld \n", MsgLen));
1352                 return FALSE;
1353         }
1354         else if (MsgLen != sizeof(FRAME_BA_REQ))
1355         {
1356                 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1357                 return FALSE;
1358         }
1359         else if (MsgLen != sizeof(FRAME_BA_REQ))
1360         {
1361                 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1362                 return FALSE;
1363         }
1364
1365         if ((Wcid < MAX_LEN_OF_MAC_TABLE) && (TID < 8))
1366                 {
1367                 // if this receiving packet is from SA that is in our OriEntry. Since WCID <9 has direct mapping. no need search.
1368                 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1369                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1370                 }
1371                 else
1372                 {
1373                 return FALSE;
1374         }
1375
1376         DBGPRINT(RT_DEBUG_TRACE, ("BAR(%ld) : Tid (%d) - %04x:%04x\n", Wcid, TID, pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq ));
1377
1378         if (SEQ_SMALLER(pBAEntry->LastIndSeq, pFrame->BAStartingSeq.field.StartSeq, MAXSEQ))
1379         {
1380                 //printk("BAR Seq = %x, LastIndSeq = %x\n", pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq);
1381                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, pFrame->BAStartingSeq.field.StartSeq);
1382                 pBAEntry->LastIndSeq = (pFrame->BAStartingSeq.field.StartSeq == 0) ? MAXSEQ :(pFrame->BAStartingSeq.field.StartSeq -1);
1383         }
1384         //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1385         return TRUE;
1386 }
1387
1388 /*
1389 Description : Send PSMP Action frame If PSMP mode switches.
1390 */
1391 VOID SendPSMPAction(
1392                                    IN PRTMP_ADAPTER             pAd,
1393                                    IN UCHAR                             Wcid,
1394                                    IN UCHAR                             Psmp)
1395 {
1396         PUCHAR          pOutBuffer = NULL;
1397         NDIS_STATUS     NStatus;
1398         //ULONG           Idx;
1399         FRAME_PSMP_ACTION   Frame;
1400         ULONG           FrameLen;
1401
1402         NStatus = MlmeAllocateMemory(pAd, &pOutBuffer);  //Get an unused nonpaged memory
1403         if (NStatus != NDIS_STATUS_SUCCESS)
1404         {
1405                 DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeADDBAAction() allocate memory failed \n"));
1406                 return;
1407         }
1408
1409         ActHeaderInit(pAd, &Frame.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAd->MacTab.Content[Wcid].Addr);
1410
1411         Frame.Category = CATEGORY_HT;
1412         Frame.Action = SMPS_ACTION;
1413         switch (Psmp)
1414         {
1415                 case MMPS_ENABLE:
1416                         Frame.Psmp = 0;
1417                         break;
1418                 case MMPS_DYNAMIC:
1419                         Frame.Psmp = 3;
1420                         break;
1421                 case MMPS_STATIC:
1422                         Frame.Psmp = 1;
1423                         break;
1424         }
1425         MakeOutgoingFrame(pOutBuffer,               &FrameLen,
1426                                           sizeof(FRAME_PSMP_ACTION),      &Frame,
1427                                           END_OF_ARGS);
1428         MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1429         MlmeFreeMemory(pAd, pOutBuffer);
1430         DBGPRINT(RT_DEBUG_ERROR,("HT - SendPSMPAction( %d )  \n", Frame.Psmp));
1431 }
1432
1433
1434 #define RADIO_MEASUREMENT_REQUEST_ACTION        0
1435
1436 typedef struct PACKED
1437 {
1438         UCHAR   RegulatoryClass;
1439         UCHAR   ChannelNumber;
1440         USHORT  RandomInterval;
1441         USHORT  MeasurementDuration;
1442         UCHAR   MeasurementMode;
1443         UCHAR   BSSID[MAC_ADDR_LEN];
1444         UCHAR   ReportingCondition;
1445         UCHAR   Threshold;
1446         UCHAR   SSIDIE[2];                      // 2 byte
1447 } BEACON_REQUEST;
1448
1449 typedef struct PACKED
1450 {
1451         UCHAR   ID;
1452         UCHAR   Length;
1453         UCHAR   Token;
1454         UCHAR   RequestMode;
1455         UCHAR   Type;
1456 } MEASUREMENT_REQ;
1457
1458
1459
1460
1461 void convert_reordering_packet_to_preAMSDU_or_802_3_packet(
1462         IN      PRTMP_ADAPTER   pAd,
1463         IN      RX_BLK                  *pRxBlk,
1464         IN  UCHAR                       FromWhichBSSID)
1465 {
1466         PNDIS_PACKET    pRxPkt;
1467         UCHAR                   Header802_3[LENGTH_802_3];
1468
1469         // 1. get 802.3 Header
1470         // 2. remove LLC
1471         //              a. pointer pRxBlk->pData to payload
1472         //      b. modify pRxBlk->DataSize
1473
1474         RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3);
1475
1476         ASSERT(pRxBlk->pRxPacket);
1477         pRxPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
1478
1479         RTPKT_TO_OSPKT(pRxPkt)->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
1480         RTPKT_TO_OSPKT(pRxPkt)->data = pRxBlk->pData;
1481         RTPKT_TO_OSPKT(pRxPkt)->len = pRxBlk->DataSize;
1482         RTPKT_TO_OSPKT(pRxPkt)->tail = RTPKT_TO_OSPKT(pRxPkt)->data + RTPKT_TO_OSPKT(pRxPkt)->len;
1483
1484         //
1485         // copy 802.3 header, if necessary
1486         //
1487         if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU))
1488         {
1489 #ifdef LINUX
1490                 NdisMoveMemory(skb_push(pRxPkt, LENGTH_802_3), Header802_3, LENGTH_802_3);
1491 #endif
1492         }
1493 }
1494
1495
1496 #define INDICATE_LEGACY_OR_AMSDU(_pAd, _pRxBlk, _fromWhichBSSID)                \
1497         do                                                                                                                                      \
1498         {                                                                                                                                       \
1499         if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_AMSDU))                                               \
1500         {                                                                                                                               \
1501                 Indicate_AMSDU_Packet(_pAd, _pRxBlk, _fromWhichBSSID);          \
1502         }                                                                                                                               \
1503                 else if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_EAP))                                    \
1504                 {                                                                                                                               \
1505                         Indicate_EAPOL_Packet(_pAd, _pRxBlk, _fromWhichBSSID);          \
1506                 }                                                                                                                               \
1507         else                                                                                                                    \
1508         {                                                                                                                               \
1509                 Indicate_Legacy_Packet(_pAd, _pRxBlk, _fromWhichBSSID);         \
1510         }                                                                                                                               \
1511         } while (0);
1512
1513
1514
1515 static VOID ba_enqueue_reordering_packet(
1516         IN      PRTMP_ADAPTER   pAd,
1517         IN      PBA_REC_ENTRY   pBAEntry,
1518         IN      RX_BLK                  *pRxBlk,
1519         IN      UCHAR                   FromWhichBSSID)
1520 {
1521         struct reordering_mpdu *mpdu_blk;
1522         UINT16  Sequence = (UINT16) pRxBlk->pHeader->Sequence;
1523
1524         mpdu_blk = ba_mpdu_blk_alloc(pAd);
1525         if (mpdu_blk != NULL)
1526         {
1527                 // Write RxD buffer address & allocated buffer length
1528                 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
1529
1530                 mpdu_blk->Sequence = Sequence;
1531
1532                 mpdu_blk->bAMSDU = RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU);
1533
1534                 convert_reordering_packet_to_preAMSDU_or_802_3_packet(pAd, pRxBlk, FromWhichBSSID);
1535
1536                 STATS_INC_RX_PACKETS(pAd, FromWhichBSSID);
1537
1538         //
1539                 // it is necessary for reordering packet to record
1540                 // which BSS it come from
1541                 //
1542                 RTMP_SET_PACKET_IF(pRxBlk->pRxPacket, FromWhichBSSID);
1543
1544                 mpdu_blk->pPacket = pRxBlk->pRxPacket;
1545
1546                 if (ba_reordering_mpdu_insertsorted(&pBAEntry->list, mpdu_blk) == FALSE)
1547                 {
1548                         // had been already within reordering list
1549                         // don't indicate
1550                         RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_SUCCESS);
1551                         ba_mpdu_blk_free(pAd, mpdu_blk);
1552                 }
1553
1554                 ASSERT((0<= pBAEntry->list.qlen)  && (pBAEntry->list.qlen <= pBAEntry->BAWinSize));
1555                 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
1556         }
1557         else
1558         {
1559 #if 0
1560                 DBGPRINT(RT_DEBUG_ERROR,  ("!!! (%d:%d) Can't allocate reordering mpdu blk\n",
1561                                                                    blk_count, pBAEntry->list.qlen));
1562 #else
1563                 DBGPRINT(RT_DEBUG_ERROR,  ("!!! (%d) Can't allocate reordering mpdu blk\n",
1564                                                                    pBAEntry->list.qlen));
1565 #endif
1566                 /*
1567                  * flush all pending reordering mpdus
1568                  * and receving mpdu to upper layer
1569                  * make tcp/ip to take care reordering mechanism
1570                  */
1571                 //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1572                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
1573
1574                 pBAEntry->LastIndSeq = Sequence;
1575                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1576         }
1577 }
1578
1579
1580 /*
1581         ==========================================================================
1582         Description:
1583                 Indicate this packet to upper layer or put it into reordering buffer
1584
1585         Parametrs:
1586                 pRxBlk         : carry necessary packet info 802.11 format
1587                 FromWhichBSSID : the packet received from which BSS
1588
1589         Return  :
1590                           none
1591
1592         Note    :
1593                   the packet queued into reordering buffer need to cover to 802.3 format
1594                           or pre_AMSDU format
1595         ==========================================================================
1596  */
1597
1598 VOID Indicate_AMPDU_Packet(
1599         IN      PRTMP_ADAPTER   pAd,
1600         IN      RX_BLK                  *pRxBlk,
1601         IN      UCHAR                   FromWhichBSSID)
1602 {
1603         USHORT                          Idx;
1604         PBA_REC_ENTRY           pBAEntry = NULL;
1605         UINT16                          Sequence = pRxBlk->pHeader->Sequence;
1606         ULONG                           Now32;
1607         UCHAR                           Wcid = pRxBlk->pRxWI->WirelessCliID;
1608         UCHAR                           TID = pRxBlk->pRxWI->TID;
1609
1610
1611         if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU) &&  (pRxBlk->DataSize > MAX_RX_PKT_LEN))
1612         {
1613 #if 0 // sample take off, no use
1614                 static int err_size;
1615
1616                 err_size++;
1617                 if (err_size > 20) {
1618                          printk("AMPDU DataSize = %d\n", pRxBlk->DataSize);
1619                          hex_dump("802.11 Header", (UCHAR *)pRxBlk->pHeader, 24);
1620                          hex_dump("Payload", pRxBlk->pData, 64);
1621                          err_size = 0;
1622                 }
1623 #endif
1624                 // release packet
1625                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1626                 return;
1627         }
1628
1629
1630 #if 0 // test
1631         /* Rec BA Session had been torn down */
1632         INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1633         return;
1634 #endif
1635
1636         if (Wcid < MAX_LEN_OF_MAC_TABLE)
1637         {
1638                 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1639                 if (Idx == 0)
1640                 {
1641                         /* Rec BA Session had been torn down */
1642                         INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1643                         return;
1644                 }
1645                 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1646         }
1647         else
1648         {
1649                 // impossible !!!
1650                 ASSERT(0);
1651                 // release packet
1652                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1653                 return;
1654         }
1655
1656         ASSERT(pBAEntry);
1657
1658         // update last rx time
1659         NdisGetSystemUpTime(&Now32);
1660
1661         pBAEntry->rcvSeq = Sequence;
1662
1663
1664         ba_flush_reordering_timeout_mpdus(pAd, pBAEntry, Now32);
1665         pBAEntry->LastIndSeqAtTimer = Now32;
1666
1667         //
1668         // Reset Last Indicate Sequence
1669         //
1670         if (pBAEntry->LastIndSeq == RESET_RCV_SEQ)
1671         {
1672                 ASSERT((pBAEntry->list.qlen == 0) && (pBAEntry->list.next == NULL));
1673
1674                 // reset rcv sequence of BA session
1675                 pBAEntry->LastIndSeq = Sequence;
1676                 pBAEntry->LastIndSeqAtTimer = Now32;
1677                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1678                 return;
1679         }
1680
1681
1682         //
1683         // I. Check if in order.
1684         //
1685         if (SEQ_STEPONE(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1686         {
1687                 USHORT  LastIndSeq;
1688
1689                 pBAEntry->LastIndSeq = Sequence;
1690                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1691                 LastIndSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1692                 if (LastIndSeq != RESET_RCV_SEQ)
1693                 {
1694                         pBAEntry->LastIndSeq = LastIndSeq;
1695                 }
1696                 pBAEntry->LastIndSeqAtTimer = Now32;
1697         }
1698         //
1699         // II. Drop Duplicated Packet
1700         //
1701         else if (Sequence == pBAEntry->LastIndSeq)
1702         {
1703
1704                 // drop and release packet
1705                 pBAEntry->nDropPacket++;
1706                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1707         }
1708         //
1709         // III. Drop Old Received Packet
1710         //
1711         else if (SEQ_SMALLER(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1712         {
1713
1714                 // drop and release packet
1715                 pBAEntry->nDropPacket++;
1716                 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1717         }
1718         //
1719         // IV. Receive Sequence within Window Size
1720         //
1721         else if (SEQ_SMALLER(Sequence, (((pBAEntry->LastIndSeq+pBAEntry->BAWinSize+1)) & MAXSEQ), MAXSEQ))
1722         {
1723                 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1724         }
1725         //
1726         // V. Receive seq surpasses Win(lastseq + nMSDU). So refresh all reorder buffer
1727         //
1728         else
1729         {
1730 #if 0
1731                 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1732                 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1733 #else
1734                 LONG WinStartSeq, TmpSeq;
1735
1736
1737                 TmpSeq = Sequence - (pBAEntry->BAWinSize) -1;
1738                 if (TmpSeq < 0)
1739                 {
1740                         TmpSeq = (MAXSEQ+1) + TmpSeq;
1741                 }
1742                 WinStartSeq = (TmpSeq+1) & MAXSEQ;
1743                 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, WinStartSeq);
1744                 pBAEntry->LastIndSeq = WinStartSeq; //TmpSeq;
1745
1746                 pBAEntry->LastIndSeqAtTimer = Now32;
1747
1748                 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1749
1750                 TmpSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1751                 if (TmpSeq != RESET_RCV_SEQ)
1752                 {
1753                         pBAEntry->LastIndSeq = TmpSeq;
1754                 }
1755 #endif
1756         }
1757 }