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