LXR linux/drivers/staging/rtl8192u/ieee80211/rtl819x

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