kernel/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c

   1 #include "ieee80211.h"
   2 #include <linux/etherdevice.h>
   3 #include <linux/slab.h>
   4 #include "rtl819x_TS.h"
   5
   6 static void TsSetupTimeOut(unsigned long data)
   7 {
   8         // Not implement yet
   9         // This is used for WMMSA and ACM , that would send ADDTSReq frame.
  10 }
  11
  12 static void TsInactTimeout(unsigned long data)
  13 {
  14         // Not implement yet
  15         // This is used for WMMSA and ACM.
  16         // This function would be call when TS is no Tx/Rx for some period of time.
  17 }
  18
  19 /********************************************************************************************************************
  20  *function:  I still not understand this function, so wait for further implementation
  21  *   input:  unsigned long       data           //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
  22  *  return:  NULL
  23  *  notice:
  24 ********************************************************************************************************************/
  25 static void RxPktPendingTimeout(unsigned long data)
  26 {
  27         PRX_TS_RECORD   pRxTs = (PRX_TS_RECORD)data;
  28         struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
  29
  30         PRX_REORDER_ENTRY       pReorderEntry = NULL;
  31
  32         //u32 flags = 0;
  33         unsigned long flags = 0;
  34         struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
  35         u8 index = 0;
  36         bool bPktInBuf = false;
  37
  38
  39         spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
  40         //PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
  41         IEEE80211_DEBUG(IEEE80211_DL_REORDER,"==================>%s()\n",__func__);
  42         if(pRxTs->RxTimeoutIndicateSeq != 0xffff)
  43         {
  44                 // Indicate the pending packets sequentially according to SeqNum until meet the gap.
  45                 while(!list_empty(&pRxTs->RxPendingPktList))
  46                 {
  47                         pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
  48                         if(index == 0)
  49                                 pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;
  50
  51                         if( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) ||
  52                                 SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq)   )
  53                         {
  54                                 list_del_init(&pReorderEntry->List);
  55
  56                                 if(SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
  57                                         pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;
  58
  59                                 IEEE80211_DEBUG(IEEE80211_DL_REORDER,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry->SeqNum);
  60                                 stats_IndicateArray[index] = pReorderEntry->prxb;
  61                                 index++;
  62
  63                                 list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
  64                         }
  65                         else
  66                         {
  67                                 bPktInBuf = true;
  68                                 break;
  69                         }
  70                 }
  71         }
  72
  73         if(index>0)
  74         {
  75                 // Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
  76                 pRxTs->RxTimeoutIndicateSeq = 0xffff;
  77
  78                 // Indicate packets
  79                 if(index > REORDER_WIN_SIZE){
  80                         IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
  81                         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
  82                         return;
  83                 }
  84                 ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
  85         }
  86
  87         if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
  88         {
  89                 pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
  90                 mod_timer(&pRxTs->RxPktPendingTimer,  jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
  91         }
  92         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
  93         //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
  94 }
  95
  96 /********************************************************************************************************************
  97  *function:  Add BA timer function
  98  *   input:  unsigned long       data           //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
  99  *  return:  NULL
 100  *  notice:
 101 ********************************************************************************************************************/
 102 static void TsAddBaProcess(unsigned long data)
 103 {
 104         PTX_TS_RECORD   pTxTs = (PTX_TS_RECORD)data;
 105         u8 num = pTxTs->num;
 106         struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
 107
 108         TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
 109         IEEE80211_DEBUG(IEEE80211_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
 110 }
 111
 112
 113 static void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)
 114 {
 115         memset(pTsCommonInfo->Addr, 0, 6);
 116         memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
 117         memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
 118         pTsCommonInfo->TClasProc = 0;
 119         pTsCommonInfo->TClasNum = 0;
 120 }
 121
 122 static void ResetTxTsEntry(PTX_TS_RECORD pTS)
 123 {
 124         ResetTsCommonInfo(&pTS->TsCommonInfo);
 125         pTS->TxCurSeq = 0;
 126         pTS->bAddBaReqInProgress = false;
 127         pTS->bAddBaReqDelayed = false;
 128         pTS->bUsingBa = false;
 129         ResetBaEntry(&pTS->TxAdmittedBARecord); //For BA Originator
 130         ResetBaEntry(&pTS->TxPendingBARecord);
 131 }
 132
 133 static void ResetRxTsEntry(PRX_TS_RECORD pTS)
 134 {
 135         ResetTsCommonInfo(&pTS->TsCommonInfo);
 136         pTS->RxIndicateSeq = 0xffff; // This indicate the RxIndicateSeq is not used now!!
 137         pTS->RxTimeoutIndicateSeq = 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
 138         ResetBaEntry(&pTS->RxAdmittedBARecord);   // For BA Recipient
 139 }
 140
 141 void TSInitialize(struct ieee80211_device *ieee)
 142 {
 143         PTX_TS_RECORD           pTxTS  = ieee->TxTsRecord;
 144         PRX_TS_RECORD           pRxTS  = ieee->RxTsRecord;
 145         PRX_REORDER_ENTRY       pRxReorderEntry = ieee->RxReorderEntry;
 146         u8                              count = 0;
 147         IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __func__);
 148         // Initialize Tx TS related info.
 149         INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
 150         INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
 151         INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
 152
 153         for(count = 0; count < TOTAL_TS_NUM; count++)
 154         {
 155                 //
 156                 pTxTS->num = count;
 157                 // The timers for the operation of Traffic Stream and Block Ack.
 158                 // DLS related timer will be add here in the future!!
 159                 setup_timer(&pTxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut,
 160                             (unsigned long)pTxTS);
 161                 setup_timer(&pTxTS->TsCommonInfo.InactTimer, TsInactTimeout,
 162                             (unsigned long)pTxTS);
 163                 setup_timer(&pTxTS->TsAddBaTimer, TsAddBaProcess,
 164                             (unsigned long)pTxTS);
 165                 setup_timer(&pTxTS->TxPendingBARecord.Timer, BaSetupTimeOut,
 166                             (unsigned long)pTxTS);
 167                 setup_timer(&pTxTS->TxAdmittedBARecord.Timer,
 168                             TxBaInactTimeout, (unsigned long)pTxTS);
 169                 ResetTxTsEntry(pTxTS);
 170                 list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List);
 171                 pTxTS++;
 172         }
 173
 174         // Initialize Rx TS related info.
 175         INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
 176         INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
 177         INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
 178         for(count = 0; count < TOTAL_TS_NUM; count++)
 179         {
 180                 pRxTS->num = count;
 181                 INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
 182                 setup_timer(&pRxTS->TsCommonInfo.SetupTimer, TsSetupTimeOut,
 183                             (unsigned long)pRxTS);
 184                 setup_timer(&pRxTS->TsCommonInfo.InactTimer, TsInactTimeout,
 185                             (unsigned long)pRxTS);
 186                 setup_timer(&pRxTS->RxAdmittedBARecord.Timer,
 187                             RxBaInactTimeout, (unsigned long)pRxTS);
 188                 setup_timer(&pRxTS->RxPktPendingTimer, RxPktPendingTimeout,
 189                             (unsigned long)pRxTS);
 190                 ResetRxTsEntry(pRxTS);
 191                 list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
 192                 pRxTS++;
 193         }
 194         // Initialize unused Rx Reorder List.
 195         INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
 196 //#ifdef TO_DO_LIST
 197         for(count = 0; count < REORDER_ENTRY_NUM; count++)
 198         {
 199                 list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
 200                 if(count == (REORDER_ENTRY_NUM-1))
 201                         break;
 202                 pRxReorderEntry = &ieee->RxReorderEntry[count+1];
 203         }
 204 //#endif
 205
 206 }
 207
 208 static void AdmitTS(struct ieee80211_device *ieee,
 209                     PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
 210 {
 211         del_timer_sync(&pTsCommonInfo->SetupTimer);
 212         del_timer_sync(&pTsCommonInfo->InactTimer);
 213
 214         if(InactTime!=0)
 215                 mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
 216 }
 217
 218
 219 static PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee,
 220                                            u8 *Addr, u8 TID,
 221                                            TR_SELECT TxRxSelect)
 222 {
 223         //DIRECTION_VALUE       dir;
 224         u8      dir;
 225         bool                            search_dir[4] = {0};
 226         struct list_head                *psearch_list; //FIXME
 227         PTS_COMMON_INFO pRet = NULL;
 228         if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
 229         {
 230                 if(TxRxSelect == TX_DIR)
 231                 {
 232                         search_dir[DIR_DOWN] = true;
 233                         search_dir[DIR_BI_DIR]= true;
 234                 }
 235                 else
 236                 {
 237                         search_dir[DIR_UP]      = true;
 238                         search_dir[DIR_BI_DIR]= true;
 239                 }
 240         }
 241         else if(ieee->iw_mode == IW_MODE_ADHOC)
 242         {
 243                 if(TxRxSelect == TX_DIR)
 244                         search_dir[DIR_UP]      = true;
 245                 else
 246                         search_dir[DIR_DOWN] = true;
 247         }
 248         else
 249         {
 250                 if(TxRxSelect == TX_DIR)
 251                 {
 252                         search_dir[DIR_UP]      = true;
 253                         search_dir[DIR_BI_DIR]= true;
 254                         search_dir[DIR_DIRECT]= true;
 255                 }
 256                 else
 257                 {
 258                         search_dir[DIR_DOWN] = true;
 259                         search_dir[DIR_BI_DIR]= true;
 260                         search_dir[DIR_DIRECT]= true;
 261                 }
 262         }
 263
 264         if(TxRxSelect == TX_DIR)
 265                 psearch_list = &ieee->Tx_TS_Admit_List;
 266         else
 267                 psearch_list = &ieee->Rx_TS_Admit_List;
 268
 269         //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
 270         for(dir = 0; dir <= DIR_BI_DIR; dir++)
 271         {
 272                 if (!search_dir[dir])
 273                         continue;
 274                 list_for_each_entry(pRet, psearch_list, List){
 275         //              IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
 276                         if (memcmp(pRet->Addr, Addr, 6) == 0)
 277                                 if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
 278                                         if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
 279                                         {
 280         //                                      printk("Bingo! got it\n");
 281                                                 break;
 282                                         }
 283
 284                 }
 285                 if(&pRet->List  != psearch_list)
 286                         break;
 287         }
 288
 289         if(&pRet->List  != psearch_list){
 290                 return pRet ;
 291         }
 292         else
 293                 return NULL;
 294 }
 295
 296 static void MakeTSEntry(PTS_COMMON_INFO pTsCommonInfo, u8 *Addr,
 297                         PTSPEC_BODY pTSPEC, PQOS_TCLAS pTCLAS, u8 TCLAS_Num,
 298                         u8 TCLAS_Proc)
 299 {
 300         u8      count;
 301
 302         if(pTsCommonInfo == NULL)
 303                 return;
 304
 305         memcpy(pTsCommonInfo->Addr, Addr, 6);
 306
 307         if(pTSPEC != NULL)
 308                 memcpy((u8 *)(&(pTsCommonInfo->TSpec)), (u8 *)pTSPEC, sizeof(TSPEC_BODY));
 309
 310         for(count = 0; count < TCLAS_Num; count++)
 311                 memcpy((u8 *)(&(pTsCommonInfo->TClass[count])), (u8 *)pTCLAS, sizeof(QOS_TCLAS));
 312
 313         pTsCommonInfo->TClasProc = TCLAS_Proc;
 314         pTsCommonInfo->TClasNum = TCLAS_Num;
 315 }
 316
 317
 318 bool GetTs(
 319         struct ieee80211_device         *ieee,
 320         PTS_COMMON_INFO                 *ppTS,
 321         u8                              *Addr,
 322         u8                              TID,
 323         TR_SELECT                       TxRxSelect,  //Rx:1, Tx:0
 324         bool                            bAddNewTs
 325         )
 326 {
 327         u8      UP = 0;
 328         //
 329         // We do not build any TS for Broadcast or Multicast stream.
 330         // So reject these kinds of search here.
 331         //
 332         if (is_multicast_ether_addr(Addr))
 333         {
 334                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
 335                 return false;
 336         }
 337
 338         if (ieee->current_network.qos_data.supported == 0)
 339                 UP = 0;
 340         else
 341         {
 342                 // In WMM case: we use 4 TID only
 343                 if (!IsACValid(TID))
 344                 {
 345                         IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
 346                         return false;
 347                 }
 348
 349                 switch (TID)
 350                 {
 351                 case 0:
 352                 case 3:
 353                         UP = 0;
 354                         break;
 355
 356                 case 1:
 357                 case 2:
 358                         UP = 2;
 359                         break;
 360
 361                 case 4:
 362                 case 5:
 363                         UP = 5;
 364                         break;
 365
 366                 case 6:
 367                 case 7:
 368                         UP = 7;
 369                         break;
 370                 }
 371         }
 372
 373         *ppTS = SearchAdmitTRStream(
 374                         ieee,
 375                         Addr,
 376                         UP,
 377                         TxRxSelect);
 378         if(*ppTS != NULL)
 379         {
 380                 return true;
 381         }
 382         else
 383         {
 384                 if (!bAddNewTs) {
 385                         IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
 386                         return false;
 387                 }
 388                 else
 389                 {
 390                         //
 391                         // Create a new Traffic stream for current Tx/Rx
 392                         // This is for EDCA and WMM to add a new TS.
 393                         // For HCCA or WMMSA, TS cannot be addmit without negotiation.
 394                         //
 395                         TSPEC_BODY      TSpec;
 396                         PQOS_TSINFO             pTSInfo = &TSpec.f.TSInfo;
 397                         struct list_head        *pUnusedList =
 398                                                                 (TxRxSelect == TX_DIR)?
 399                                                                 (&ieee->Tx_TS_Unused_List):
 400                                                                 (&ieee->Rx_TS_Unused_List);
 401
 402                         struct list_head        *pAddmitList =
 403                                                                 (TxRxSelect == TX_DIR)?
 404                                                                 (&ieee->Tx_TS_Admit_List):
 405                                                                 (&ieee->Rx_TS_Admit_List);
 406
 407                         DIRECTION_VALUE         Dir =           (ieee->iw_mode == IW_MODE_MASTER)?
 408                                                                 ((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
 409                                                                 ((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
 410                         IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
 411                         if(!list_empty(pUnusedList))
 412                         {
 413                                 (*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
 414                                 list_del_init(&(*ppTS)->List);
 415                                 if(TxRxSelect==TX_DIR)
 416                                 {
 417                                         PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
 418                                         ResetTxTsEntry(tmp);
 419                                 }
 420                                 else{
 421                                         PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
 422                                         ResetRxTsEntry(tmp);
 423                                 }
 424
 425                                 IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
 426                                 // Prepare TS Info releated field
 427                                 pTSInfo->field.ucTrafficType = 0;                       // Traffic type: WMM is reserved in this field
 428                                 pTSInfo->field.ucTSID = UP;                     // TSID
 429                                 pTSInfo->field.ucDirection = Dir;                       // Direction: if there is DirectLink, this need additional consideration.
 430                                 pTSInfo->field.ucAccessPolicy = 1;              // Access policy
 431                                 pTSInfo->field.ucAggregation = 0;               // Aggregation
 432                                 pTSInfo->field.ucPSB = 0;                               // Aggregation
 433                                 pTSInfo->field.ucUP = UP;                               // User priority
 434                                 pTSInfo->field.ucTSInfoAckPolicy = 0;           // Ack policy
 435                                 pTSInfo->field.ucSchedule = 0;                  // Schedule
 436
 437                                 MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
 438                                 AdmitTS(ieee, *ppTS, 0);
 439                                 list_add_tail(&((*ppTS)->List), pAddmitList);
 440                                 // if there is DirectLink, we need to do additional operation here!!
 441
 442                                 return true;
 443                         }
 444                         else
 445                         {
 446                                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __func__);
 447                                 return false;
 448                         }
 449                 }
 450         }
 451 }
 452
 453 static void RemoveTsEntry(struct ieee80211_device *ieee, PTS_COMMON_INFO pTs,
 454                           TR_SELECT TxRxSelect)
 455 {
 456         //u32 flags = 0;
 457         unsigned long flags = 0;
 458         del_timer_sync(&pTs->SetupTimer);
 459         del_timer_sync(&pTs->InactTimer);
 460         TsInitDelBA(ieee, pTs, TxRxSelect);
 461
 462         if(TxRxSelect == RX_DIR)
 463         {
 464 //#ifdef TO_DO_LIST
 465                 PRX_REORDER_ENTRY       pRxReorderEntry;
 466                 PRX_TS_RECORD           pRxTS = (PRX_TS_RECORD)pTs;
 467                 if(timer_pending(&pRxTS->RxPktPendingTimer))
 468                         del_timer_sync(&pRxTS->RxPktPendingTimer);
 469
 470                 while(!list_empty(&pRxTS->RxPendingPktList))
 471                 {
 472                 //      PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
 473                         spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
 474                         //pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
 475                         pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
 476                         list_del_init(&pRxReorderEntry->List);
 477                         {
 478                                 int i = 0;
 479                                 struct ieee80211_rxb *prxb = pRxReorderEntry->prxb;
 480                                 if (unlikely(!prxb))
 481                                 {
 482                                         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 483                                         return;
 484                                 }
 485                                 for(i =0; i < prxb->nr_subframes; i++) {
 486                                         dev_kfree_skb(prxb->subframes[i]);
 487                                 }
 488                                 kfree(prxb);
 489                                 prxb = NULL;
 490                         }
 491                         list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
 492                         //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
 493                         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 494                 }
 495
 496 //#endif
 497         }
 498         else
 499         {
 500                 PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
 501                 del_timer_sync(&pTxTS->TsAddBaTimer);
 502         }
 503 }
 504
 505 void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr)
 506 {
 507         PTS_COMMON_INFO pTS, pTmpTS;
 508
 509         printk("===========>RemovePeerTS,%pM\n", Addr);
 510         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 511         {
 512                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 513                 {
 514                         RemoveTsEntry(ieee, pTS, TX_DIR);
 515                         list_del_init(&pTS->List);
 516                         list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 517                 }
 518         }
 519
 520         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
 521         {
 522                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 523                 {
 524                         printk("====>remove Tx_TS_admin_list\n");
 525                         RemoveTsEntry(ieee, pTS, TX_DIR);
 526                         list_del_init(&pTS->List);
 527                         list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 528                 }
 529         }
 530
 531         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
 532         {
 533                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 534                 {
 535                         RemoveTsEntry(ieee, pTS, RX_DIR);
 536                         list_del_init(&pTS->List);
 537                         list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 538                 }
 539         }
 540
 541         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
 542         {
 543                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 544                 {
 545                         RemoveTsEntry(ieee, pTS, RX_DIR);
 546                         list_del_init(&pTS->List);
 547                         list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 548                 }
 549         }
 550 }
 551
 552 void RemoveAllTS(struct ieee80211_device *ieee)
 553 {
 554         PTS_COMMON_INFO pTS, pTmpTS;
 555
 556         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 557         {
 558                 RemoveTsEntry(ieee, pTS, TX_DIR);
 559                 list_del_init(&pTS->List);
 560                 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 561         }
 562
 563         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
 564         {
 565                 RemoveTsEntry(ieee, pTS, TX_DIR);
 566                 list_del_init(&pTS->List);
 567                 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 568         }
 569
 570         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
 571         {
 572                 RemoveTsEntry(ieee, pTS, RX_DIR);
 573                 list_del_init(&pTS->List);
 574                 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 575         }
 576
 577         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
 578         {
 579                 RemoveTsEntry(ieee, pTS, RX_DIR);
 580                 list_del_init(&pTS->List);
 581                 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 582         }
 583 }
 584
 585 void TsStartAddBaProcess(struct ieee80211_device *ieee, PTX_TS_RECORD   pTxTS)
 586 {
 587         if(pTxTS->bAddBaReqInProgress == false)
 588         {
 589                 pTxTS->bAddBaReqInProgress = true;
 590                 if(pTxTS->bAddBaReqDelayed)
 591                 {
 592                         IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
 593                         mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
 594                 }
 595                 else
 596                 {
 597                         IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
 598                         mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
 599                 }
 600         }
 601         else
 602                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __func__);
 603 }