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                 init_timer(&pTxTS->TsCommonInfo.SetupTimer);
 160                 pTxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pTxTS;
 161                 pTxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
 162
 163                 init_timer(&pTxTS->TsCommonInfo.InactTimer);
 164                 pTxTS->TsCommonInfo.InactTimer.data = (unsigned long)pTxTS;
 165                 pTxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
 166
 167                 init_timer(&pTxTS->TsAddBaTimer);
 168                 pTxTS->TsAddBaTimer.data = (unsigned long)pTxTS;
 169                 pTxTS->TsAddBaTimer.function = TsAddBaProcess;
 170
 171                 init_timer(&pTxTS->TxPendingBARecord.Timer);
 172                 pTxTS->TxPendingBARecord.Timer.data = (unsigned long)pTxTS;
 173                 pTxTS->TxPendingBARecord.Timer.function = BaSetupTimeOut;
 174
 175                 init_timer(&pTxTS->TxAdmittedBARecord.Timer);
 176                 pTxTS->TxAdmittedBARecord.Timer.data = (unsigned long)pTxTS;
 177                 pTxTS->TxAdmittedBARecord.Timer.function = TxBaInactTimeout;
 178
 179                 ResetTxTsEntry(pTxTS);
 180                 list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List);
 181                 pTxTS++;
 182         }
 183
 184         // Initialize Rx TS related info.
 185         INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
 186         INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
 187         INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
 188         for(count = 0; count < TOTAL_TS_NUM; count++)
 189         {
 190                 pRxTS->num = count;
 191                 INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
 192
 193                 init_timer(&pRxTS->TsCommonInfo.SetupTimer);
 194                 pRxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pRxTS;
 195                 pRxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
 196
 197                 init_timer(&pRxTS->TsCommonInfo.InactTimer);
 198                 pRxTS->TsCommonInfo.InactTimer.data = (unsigned long)pRxTS;
 199                 pRxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
 200
 201                 init_timer(&pRxTS->RxAdmittedBARecord.Timer);
 202                 pRxTS->RxAdmittedBARecord.Timer.data = (unsigned long)pRxTS;
 203                 pRxTS->RxAdmittedBARecord.Timer.function = RxBaInactTimeout;
 204
 205                 init_timer(&pRxTS->RxPktPendingTimer);
 206                 pRxTS->RxPktPendingTimer.data = (unsigned long)pRxTS;
 207                 pRxTS->RxPktPendingTimer.function = RxPktPendingTimeout;
 208
 209                 ResetRxTsEntry(pRxTS);
 210                 list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
 211                 pRxTS++;
 212         }
 213         // Initialize unused Rx Reorder List.
 214         INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
 215 //#ifdef TO_DO_LIST
 216         for(count = 0; count < REORDER_ENTRY_NUM; count++)
 217         {
 218                 list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
 219                 if(count == (REORDER_ENTRY_NUM-1))
 220                         break;
 221                 pRxReorderEntry = &ieee->RxReorderEntry[count+1];
 222         }
 223 //#endif
 224
 225 }
 226
 227 static void AdmitTS(struct ieee80211_device *ieee,
 228                     PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
 229 {
 230         del_timer_sync(&pTsCommonInfo->SetupTimer);
 231         del_timer_sync(&pTsCommonInfo->InactTimer);
 232
 233         if(InactTime!=0)
 234                 mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
 235 }
 236
 237
 238 static PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee,
 239                                            u8 *Addr, u8 TID,
 240                                            TR_SELECT TxRxSelect)
 241 {
 242         //DIRECTION_VALUE       dir;
 243         u8      dir;
 244         bool                            search_dir[4] = {0, 0, 0, 0};
 245         struct list_head                *psearch_list; //FIXME
 246         PTS_COMMON_INFO pRet = NULL;
 247         if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
 248         {
 249                 if(TxRxSelect == TX_DIR)
 250                 {
 251                         search_dir[DIR_DOWN] = true;
 252                         search_dir[DIR_BI_DIR]= true;
 253                 }
 254                 else
 255                 {
 256                         search_dir[DIR_UP]      = true;
 257                         search_dir[DIR_BI_DIR]= true;
 258                 }
 259         }
 260         else if(ieee->iw_mode == IW_MODE_ADHOC)
 261         {
 262                 if(TxRxSelect == TX_DIR)
 263                         search_dir[DIR_UP]      = true;
 264                 else
 265                         search_dir[DIR_DOWN] = true;
 266         }
 267         else
 268         {
 269                 if(TxRxSelect == TX_DIR)
 270                 {
 271                         search_dir[DIR_UP]      = true;
 272                         search_dir[DIR_BI_DIR]= true;
 273                         search_dir[DIR_DIRECT]= true;
 274                 }
 275                 else
 276                 {
 277                         search_dir[DIR_DOWN] = true;
 278                         search_dir[DIR_BI_DIR]= true;
 279                         search_dir[DIR_DIRECT]= true;
 280                 }
 281         }
 282
 283         if(TxRxSelect == TX_DIR)
 284                 psearch_list = &ieee->Tx_TS_Admit_List;
 285         else
 286                 psearch_list = &ieee->Rx_TS_Admit_List;
 287
 288         //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
 289         for(dir = 0; dir <= DIR_BI_DIR; dir++)
 290         {
 291                 if(search_dir[dir] ==false )
 292                         continue;
 293                 list_for_each_entry(pRet, psearch_list, List){
 294         //              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);
 295                         if (memcmp(pRet->Addr, Addr, 6) == 0)
 296                                 if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
 297                                         if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
 298                                         {
 299         //                                      printk("Bingo! got it\n");
 300                                                 break;
 301                                         }
 302
 303                 }
 304                 if(&pRet->List  != psearch_list)
 305                         break;
 306         }
 307
 308         if(&pRet->List  != psearch_list){
 309                 return pRet ;
 310         }
 311         else
 312                 return NULL;
 313 }
 314
 315 static void MakeTSEntry(PTS_COMMON_INFO pTsCommonInfo, u8 *Addr,
 316                         PTSPEC_BODY pTSPEC, PQOS_TCLAS pTCLAS, u8 TCLAS_Num,
 317                         u8 TCLAS_Proc)
 318 {
 319         u8      count;
 320
 321         if(pTsCommonInfo == NULL)
 322                 return;
 323
 324         memcpy(pTsCommonInfo->Addr, Addr, 6);
 325
 326         if(pTSPEC != NULL)
 327                 memcpy((u8 *)(&(pTsCommonInfo->TSpec)), (u8 *)pTSPEC, sizeof(TSPEC_BODY));
 328
 329         for(count = 0; count < TCLAS_Num; count++)
 330                 memcpy((u8 *)(&(pTsCommonInfo->TClass[count])), (u8 *)pTCLAS, sizeof(QOS_TCLAS));
 331
 332         pTsCommonInfo->TClasProc = TCLAS_Proc;
 333         pTsCommonInfo->TClasNum = TCLAS_Num;
 334 }
 335
 336
 337 bool GetTs(
 338         struct ieee80211_device         *ieee,
 339         PTS_COMMON_INFO                 *ppTS,
 340         u8                              *Addr,
 341         u8                              TID,
 342         TR_SELECT                       TxRxSelect,  //Rx:1, Tx:0
 343         bool                            bAddNewTs
 344         )
 345 {
 346         u8      UP = 0;
 347         //
 348         // We do not build any TS for Broadcast or Multicast stream.
 349         // So reject these kinds of search here.
 350         //
 351         if (is_multicast_ether_addr(Addr))
 352         {
 353                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
 354                 return false;
 355         }
 356
 357         if (ieee->current_network.qos_data.supported == 0)
 358                 UP = 0;
 359         else
 360         {
 361                 // In WMM case: we use 4 TID only
 362                 if (!IsACValid(TID))
 363                 {
 364                         IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
 365                         return false;
 366                 }
 367
 368                 switch (TID)
 369                 {
 370                 case 0:
 371                 case 3:
 372                         UP = 0;
 373                         break;
 374
 375                 case 1:
 376                 case 2:
 377                         UP = 2;
 378                         break;
 379
 380                 case 4:
 381                 case 5:
 382                         UP = 5;
 383                         break;
 384
 385                 case 6:
 386                 case 7:
 387                         UP = 7;
 388                         break;
 389                 }
 390         }
 391
 392         *ppTS = SearchAdmitTRStream(
 393                         ieee,
 394                         Addr,
 395                         UP,
 396                         TxRxSelect);
 397         if(*ppTS != NULL)
 398         {
 399                 return true;
 400         }
 401         else
 402         {
 403                 if(bAddNewTs == false)
 404                 {
 405                         IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
 406                         return false;
 407                 }
 408                 else
 409                 {
 410                         //
 411                         // Create a new Traffic stream for current Tx/Rx
 412                         // This is for EDCA and WMM to add a new TS.
 413                         // For HCCA or WMMSA, TS cannot be addmit without negotiation.
 414                         //
 415                         TSPEC_BODY      TSpec;
 416                         PQOS_TSINFO             pTSInfo = &TSpec.f.TSInfo;
 417                         struct list_head        *pUnusedList =
 418                                                                 (TxRxSelect == TX_DIR)?
 419                                                                 (&ieee->Tx_TS_Unused_List):
 420                                                                 (&ieee->Rx_TS_Unused_List);
 421
 422                         struct list_head        *pAddmitList =
 423                                                                 (TxRxSelect == TX_DIR)?
 424                                                                 (&ieee->Tx_TS_Admit_List):
 425                                                                 (&ieee->Rx_TS_Admit_List);
 426
 427                         DIRECTION_VALUE         Dir =           (ieee->iw_mode == IW_MODE_MASTER)?
 428                                                                 ((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
 429                                                                 ((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
 430                         IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
 431                         if(!list_empty(pUnusedList))
 432                         {
 433                                 (*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
 434                                 list_del_init(&(*ppTS)->List);
 435                                 if(TxRxSelect==TX_DIR)
 436                                 {
 437                                         PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
 438                                         ResetTxTsEntry(tmp);
 439                                 }
 440                                 else{
 441                                         PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
 442                                         ResetRxTsEntry(tmp);
 443                                 }
 444
 445                                 IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
 446                                 // Prepare TS Info releated field
 447                                 pTSInfo->field.ucTrafficType = 0;                       // Traffic type: WMM is reserved in this field
 448                                 pTSInfo->field.ucTSID = UP;                     // TSID
 449                                 pTSInfo->field.ucDirection = Dir;                       // Direction: if there is DirectLink, this need additional consideration.
 450                                 pTSInfo->field.ucAccessPolicy = 1;              // Access policy
 451                                 pTSInfo->field.ucAggregation = 0;               // Aggregation
 452                                 pTSInfo->field.ucPSB = 0;                               // Aggregation
 453                                 pTSInfo->field.ucUP = UP;                               // User priority
 454                                 pTSInfo->field.ucTSInfoAckPolicy = 0;           // Ack policy
 455                                 pTSInfo->field.ucSchedule = 0;                  // Schedule
 456
 457                                 MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
 458                                 AdmitTS(ieee, *ppTS, 0);
 459                                 list_add_tail(&((*ppTS)->List), pAddmitList);
 460                                 // if there is DirectLink, we need to do additional operation here!!
 461
 462                                 return true;
 463                         }
 464                         else
 465                         {
 466                                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __func__);
 467                                 return false;
 468                         }
 469                 }
 470         }
 471 }
 472
 473 static void RemoveTsEntry(struct ieee80211_device *ieee, PTS_COMMON_INFO pTs,
 474                           TR_SELECT TxRxSelect)
 475 {
 476         //u32 flags = 0;
 477         unsigned long flags = 0;
 478         del_timer_sync(&pTs->SetupTimer);
 479         del_timer_sync(&pTs->InactTimer);
 480         TsInitDelBA(ieee, pTs, TxRxSelect);
 481
 482         if(TxRxSelect == RX_DIR)
 483         {
 484 //#ifdef TO_DO_LIST
 485                 PRX_REORDER_ENTRY       pRxReorderEntry;
 486                 PRX_TS_RECORD           pRxTS = (PRX_TS_RECORD)pTs;
 487                 if(timer_pending(&pRxTS->RxPktPendingTimer))
 488                         del_timer_sync(&pRxTS->RxPktPendingTimer);
 489
 490                 while(!list_empty(&pRxTS->RxPendingPktList))
 491                 {
 492                 //      PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
 493                         spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
 494                         //pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
 495                         pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
 496                         list_del_init(&pRxReorderEntry->List);
 497                         {
 498                                 int i = 0;
 499                                 struct ieee80211_rxb *prxb = pRxReorderEntry->prxb;
 500                                 if (unlikely(!prxb))
 501                                 {
 502                                         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 503                                         return;
 504                                 }
 505                                 for(i =0; i < prxb->nr_subframes; i++) {
 506                                         dev_kfree_skb(prxb->subframes[i]);
 507                                 }
 508                                 kfree(prxb);
 509                                 prxb = NULL;
 510                         }
 511                         list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
 512                         //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
 513                         spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
 514                 }
 515
 516 //#endif
 517         }
 518         else
 519         {
 520                 PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
 521                 del_timer_sync(&pTxTS->TsAddBaTimer);
 522         }
 523 }
 524
 525 void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr)
 526 {
 527         PTS_COMMON_INFO pTS, pTmpTS;
 528
 529         printk("===========>RemovePeerTS,%pM\n", Addr);
 530         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 531         {
 532                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 533                 {
 534                         RemoveTsEntry(ieee, pTS, TX_DIR);
 535                         list_del_init(&pTS->List);
 536                         list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 537                 }
 538         }
 539
 540         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
 541         {
 542                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 543                 {
 544                         printk("====>remove Tx_TS_admin_list\n");
 545                         RemoveTsEntry(ieee, pTS, TX_DIR);
 546                         list_del_init(&pTS->List);
 547                         list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 548                 }
 549         }
 550
 551         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
 552         {
 553                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 554                 {
 555                         RemoveTsEntry(ieee, pTS, RX_DIR);
 556                         list_del_init(&pTS->List);
 557                         list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 558                 }
 559         }
 560
 561         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
 562         {
 563                 if (memcmp(pTS->Addr, Addr, 6) == 0)
 564                 {
 565                         RemoveTsEntry(ieee, pTS, RX_DIR);
 566                         list_del_init(&pTS->List);
 567                         list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 568                 }
 569         }
 570 }
 571
 572 void RemoveAllTS(struct ieee80211_device *ieee)
 573 {
 574         PTS_COMMON_INFO pTS, pTmpTS;
 575
 576         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 577         {
 578                 RemoveTsEntry(ieee, pTS, TX_DIR);
 579                 list_del_init(&pTS->List);
 580                 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 581         }
 582
 583         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
 584         {
 585                 RemoveTsEntry(ieee, pTS, TX_DIR);
 586                 list_del_init(&pTS->List);
 587                 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
 588         }
 589
 590         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
 591         {
 592                 RemoveTsEntry(ieee, pTS, RX_DIR);
 593                 list_del_init(&pTS->List);
 594                 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 595         }
 596
 597         list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
 598         {
 599                 RemoveTsEntry(ieee, pTS, RX_DIR);
 600                 list_del_init(&pTS->List);
 601                 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
 602         }
 603 }
 604
 605 void TsStartAddBaProcess(struct ieee80211_device *ieee, PTX_TS_RECORD   pTxTS)
 606 {
 607         if(pTxTS->bAddBaReqInProgress == false)
 608         {
 609                 pTxTS->bAddBaReqInProgress = true;
 610                 if(pTxTS->bAddBaReqDelayed)
 611                 {
 612                         IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
 613                         mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
 614                 }
 615                 else
 616                 {
 617                         IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
 618                         mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
 619                 }
 620         }
 621         else
 622                 IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __func__);
 623 }