drivers/staging/rtl8192e/rtl819x_BAProc.c

   1 /******************************************************************************
   2  * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved.
   3  *
   4  * This program is distributed in the hope that it will be useful, but WITHOUT
   5  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   6  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
   7  * more details.
   8  *
   9  * You should have received a copy of the GNU General Public License along with
  10  * this program; if not, write to the Free Software Foundation, Inc.,
  11  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  12  *
  13  * The full GNU General Public License is included in this distribution in the
  14  * file called LICENSE.
  15  *
  16  * Contact Information:
  17  * wlanfae <wlanfae@realtek.com>
  18 ******************************************************************************/
  19 #include <asm/byteorder.h>
  20 #include <asm/unaligned.h>
  21 #include <linux/etherdevice.h>
  22 #include "rtllib.h"
  23 #include "rtl819x_BA.h"
  24
  25 static void ActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA,
  26                             u16 Time)
  27 {
  28         pBA->bValid = true;
  29         if (Time != 0)
  30                 mod_timer(&pBA->Timer, jiffies + msecs_to_jiffies(Time));
  31 }
  32
  33 static void DeActivateBAEntry(struct rtllib_device *ieee, struct ba_record *pBA)
  34 {
  35         pBA->bValid = false;
  36         del_timer_sync(&pBA->Timer);
  37 }
  38
  39 static u8 TxTsDeleteBA(struct rtllib_device *ieee, struct tx_ts_record *pTxTs)
  40 {
  41         struct ba_record *pAdmittedBa = &pTxTs->TxAdmittedBARecord;
  42         struct ba_record *pPendingBa = &pTxTs->TxPendingBARecord;
  43         u8 bSendDELBA = false;
  44
  45         if (pPendingBa->bValid) {
  46                 DeActivateBAEntry(ieee, pPendingBa);
  47                 bSendDELBA = true;
  48         }
  49
  50         if (pAdmittedBa->bValid) {
  51                 DeActivateBAEntry(ieee, pAdmittedBa);
  52                 bSendDELBA = true;
  53         }
  54         return bSendDELBA;
  55 }
  56
  57 static u8 RxTsDeleteBA(struct rtllib_device *ieee, struct rx_ts_record *pRxTs)
  58 {
  59         struct ba_record *pBa = &pRxTs->RxAdmittedBARecord;
  60         u8                      bSendDELBA = false;
  61
  62         if (pBa->bValid) {
  63                 DeActivateBAEntry(ieee, pBa);
  64                 bSendDELBA = true;
  65         }
  66
  67         return bSendDELBA;
  68 }
  69
  70 void ResetBaEntry(struct ba_record *pBA)
  71 {
  72         pBA->bValid                     = false;
  73         pBA->BaParamSet.shortData       = 0;
  74         pBA->BaTimeoutValue             = 0;
  75         pBA->DialogToken                = 0;
  76         pBA->BaStartSeqCtrl.ShortData   = 0;
  77 }
  78 static struct sk_buff *rtllib_ADDBA(struct rtllib_device *ieee, u8 *Dst,
  79                                     struct ba_record *pBA,
  80                                     u16 StatusCode, u8 type)
  81 {
  82         struct sk_buff *skb = NULL;
  83          struct rtllib_hdr_3addr *BAReq = NULL;
  84         u8 *tag = NULL;
  85         u16 len = ieee->tx_headroom + 9;
  86
  87         netdev_dbg(ieee->dev, "%s(): frame(%d) sentd to: %pM, ieee->dev:%p\n",
  88                    __func__, type, Dst, ieee->dev);
  89
  90         if (pBA == NULL) {
  91                 netdev_warn(ieee->dev, "pBA is NULL\n");
  92                 return NULL;
  93         }
  94         skb = dev_alloc_skb(len + sizeof(struct rtllib_hdr_3addr));
  95         if (skb == NULL)
  96                 return NULL;
  97
  98         memset(skb->data, 0, sizeof(struct rtllib_hdr_3addr));
  99
 100         skb_reserve(skb, ieee->tx_headroom);
 101
 102         BAReq = (struct rtllib_hdr_3addr *)skb_put(skb,
 103                  sizeof(struct rtllib_hdr_3addr));
 104
 105         ether_addr_copy(BAReq->addr1, Dst);
 106         ether_addr_copy(BAReq->addr2, ieee->dev->dev_addr);
 107
 108         ether_addr_copy(BAReq->addr3, ieee->current_network.bssid);
 109         BAReq->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT);
 110
 111         tag = (u8 *)skb_put(skb, 9);
 112         *tag++ = ACT_CAT_BA;
 113         *tag++ = type;
 114         *tag++ = pBA->DialogToken;
 115
 116         if (ACT_ADDBARSP == type) {
 117                 RT_TRACE(COMP_DBG, "====>to send ADDBARSP\n");
 118
 119                 put_unaligned_le16(StatusCode, tag);
 120                 tag += 2;
 121         }
 122
 123         put_unaligned_le16(pBA->BaParamSet.shortData, tag);
 124         tag += 2;
 125
 126         put_unaligned_le16(pBA->BaTimeoutValue, tag);
 127         tag += 2;
 128
 129         if (ACT_ADDBAREQ == type) {
 130                 memcpy(tag, (u8 *)&(pBA->BaStartSeqCtrl), 2);
 131                 tag += 2;
 132         }
 133
 134 #ifdef VERBOSE_DEBUG
 135         print_hex_dump_bytes("rtllib_ADDBA(): ", DUMP_PREFIX_NONE, skb->data,
 136                              skb->len);
 137 #endif
 138         return skb;
 139 }
 140
 141 static struct sk_buff *rtllib_DELBA(struct rtllib_device *ieee, u8 *dst,
 142                                     struct ba_record *pBA,
 143                                     enum tr_select TxRxSelect, u16 ReasonCode)
 144 {
 145         union delba_param_set DelbaParamSet;
 146         struct sk_buff *skb = NULL;
 147          struct rtllib_hdr_3addr *Delba = NULL;
 148         u8 *tag = NULL;
 149         u16 len = 6 + ieee->tx_headroom;
 150
 151         if (net_ratelimit())
 152                 netdev_dbg(ieee->dev, "%s(): ReasonCode(%d) sentd to: %pM\n",
 153                            __func__, ReasonCode, dst);
 154
 155         memset(&DelbaParamSet, 0, 2);
 156
 157         DelbaParamSet.field.Initiator = (TxRxSelect == TX_DIR) ? 1 : 0;
 158         DelbaParamSet.field.TID = pBA->BaParamSet.field.TID;
 159
 160         skb = dev_alloc_skb(len + sizeof(struct rtllib_hdr_3addr));
 161         if (skb == NULL)
 162                 return NULL;
 163
 164         skb_reserve(skb, ieee->tx_headroom);
 165
 166         Delba = (struct rtllib_hdr_3addr *) skb_put(skb,
 167                  sizeof(struct rtllib_hdr_3addr));
 168
 169         ether_addr_copy(Delba->addr1, dst);
 170         ether_addr_copy(Delba->addr2, ieee->dev->dev_addr);
 171         ether_addr_copy(Delba->addr3, ieee->current_network.bssid);
 172         Delba->frame_ctl = cpu_to_le16(RTLLIB_STYPE_MANAGE_ACT);
 173
 174         tag = (u8 *)skb_put(skb, 6);
 175
 176         *tag++ = ACT_CAT_BA;
 177         *tag++ = ACT_DELBA;
 178
 179
 180         put_unaligned_le16(DelbaParamSet.shortData, tag);
 181         tag += 2;
 182
 183         put_unaligned_le16(ReasonCode, tag);
 184         tag += 2;
 185
 186 #ifdef VERBOSE_DEBUG
 187         print_hex_dump_bytes("rtllib_DELBA(): ", DUMP_PREFIX_NONE, skb->data,
 188                              skb->len);
 189 #endif
 190         return skb;
 191 }
 192
 193 static void rtllib_send_ADDBAReq(struct rtllib_device *ieee, u8 *dst,
 194                                  struct ba_record *pBA)
 195 {
 196         struct sk_buff *skb = NULL;
 197
 198         skb = rtllib_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ);
 199
 200         if (skb) {
 201                 RT_TRACE(COMP_DBG, "====>to send ADDBAREQ!!!!!\n");
 202                 softmac_mgmt_xmit(skb, ieee);
 203         } else {
 204                 netdev_dbg(ieee->dev, "Failed to generate ADDBAReq packet.\n");
 205         }
 206 }
 207
 208 static void rtllib_send_ADDBARsp(struct rtllib_device *ieee, u8 *dst,
 209                                  struct ba_record *pBA, u16 StatusCode)
 210 {
 211         struct sk_buff *skb = NULL;
 212
 213         skb = rtllib_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP);
 214         if (skb)
 215                 softmac_mgmt_xmit(skb, ieee);
 216         else
 217                 netdev_dbg(ieee->dev, "Failed to generate ADDBARsp packet.\n");
 218 }
 219
 220 static void rtllib_send_DELBA(struct rtllib_device *ieee, u8 *dst,
 221                               struct ba_record *pBA, enum tr_select TxRxSelect,
 222                               u16 ReasonCode)
 223 {
 224         struct sk_buff *skb = NULL;
 225
 226         skb = rtllib_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode);
 227         if (skb)
 228                 softmac_mgmt_xmit(skb, ieee);
 229         else
 230                 netdev_dbg(ieee->dev, "Failed to generate DELBA packet.\n");
 231 }
 232
 233 int rtllib_rx_ADDBAReq(struct rtllib_device *ieee, struct sk_buff *skb)
 234 {
 235         struct rtllib_hdr_3addr *req = NULL;
 236         u16 rc = 0;
 237         u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
 238         struct ba_record *pBA = NULL;
 239         union ba_param_set *pBaParamSet = NULL;
 240         u16 *pBaTimeoutVal = NULL;
 241         union sequence_control *pBaStartSeqCtrl = NULL;
 242         struct rx_ts_record *pTS = NULL;
 243
 244         if (skb->len < sizeof(struct rtllib_hdr_3addr) + 9) {
 245                 netdev_warn(ieee->dev, "Invalid skb len in BAREQ(%d / %d)\n",
 246                             (int)skb->len,
 247                             (int)(sizeof(struct rtllib_hdr_3addr) + 9));
 248                 return -1;
 249         }
 250
 251 #ifdef VERBOSE_DEBUG
 252         print_hex_dump_bytes("rtllib_rx_ADDBAReq(): ", DUMP_PREFIX_NONE,
 253                              skb->data, skb->len);
 254 #endif
 255
 256         req = (struct rtllib_hdr_3addr *) skb->data;
 257         tag = (u8 *)req;
 258         dst = (u8 *)(&req->addr2[0]);
 259         tag += sizeof(struct rtllib_hdr_3addr);
 260         pDialogToken = tag + 2;
 261         pBaParamSet = (union ba_param_set *)(tag + 3);
 262         pBaTimeoutVal = (u16 *)(tag + 5);
 263         pBaStartSeqCtrl = (union sequence_control *)(req + 7);
 264
 265         RT_TRACE(COMP_DBG, "====>rx ADDBAREQ from : %pM\n", dst);
 266         if (ieee->current_network.qos_data.active == 0  ||
 267             (ieee->pHTInfo->bCurrentHTSupport == false) ||
 268             (ieee->pHTInfo->IOTAction & HT_IOT_ACT_REJECT_ADDBA_REQ)) {
 269                 rc = ADDBA_STATUS_REFUSED;
 270                 netdev_warn(ieee->dev,
 271                             "Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n",
 272                             ieee->current_network.qos_data.active,
 273                             ieee->pHTInfo->bCurrentHTSupport);
 274                 goto OnADDBAReq_Fail;
 275         }
 276         if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst,
 277             (u8)(pBaParamSet->field.TID), RX_DIR, true)) {
 278                 rc = ADDBA_STATUS_REFUSED;
 279                 netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
 280                 goto OnADDBAReq_Fail;
 281         }
 282         pBA = &pTS->RxAdmittedBARecord;
 283
 284         if (pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) {
 285                 rc = ADDBA_STATUS_INVALID_PARAM;
 286                 netdev_warn(ieee->dev, "%s(): BA Policy is not correct\n",
 287                             __func__);
 288                 goto OnADDBAReq_Fail;
 289         }
 290
 291         rtllib_FlushRxTsPendingPkts(ieee, pTS);
 292
 293         DeActivateBAEntry(ieee, pBA);
 294         pBA->DialogToken = *pDialogToken;
 295         pBA->BaParamSet = *pBaParamSet;
 296         pBA->BaTimeoutValue = *pBaTimeoutVal;
 297         pBA->BaStartSeqCtrl = *pBaStartSeqCtrl;
 298
 299         if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev) ||
 300            (ieee->pHTInfo->IOTAction & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT))
 301                 pBA->BaParamSet.field.BufferSize = 1;
 302         else
 303                 pBA->BaParamSet.field.BufferSize = 32;
 304
 305         ActivateBAEntry(ieee, pBA, 0);
 306         rtllib_send_ADDBARsp(ieee, dst, pBA, ADDBA_STATUS_SUCCESS);
 307
 308         return 0;
 309
 310 OnADDBAReq_Fail:
 311         {
 312                 struct ba_record BA;
 313
 314                 BA.BaParamSet = *pBaParamSet;
 315                 BA.BaTimeoutValue = *pBaTimeoutVal;
 316                 BA.DialogToken = *pDialogToken;
 317                 BA.BaParamSet.field.BAPolicy = BA_POLICY_IMMEDIATE;
 318                 rtllib_send_ADDBARsp(ieee, dst, &BA, rc);
 319                 return 0;
 320         }
 321 }
 322
 323 int rtllib_rx_ADDBARsp(struct rtllib_device *ieee, struct sk_buff *skb)
 324 {
 325          struct rtllib_hdr_3addr *rsp = NULL;
 326         struct ba_record *pPendingBA, *pAdmittedBA;
 327         struct tx_ts_record *pTS = NULL;
 328         u8 *dst = NULL, *pDialogToken = NULL, *tag = NULL;
 329         u16 *pStatusCode = NULL, *pBaTimeoutVal = NULL;
 330         union ba_param_set *pBaParamSet = NULL;
 331         u16                     ReasonCode;
 332
 333         if (skb->len < sizeof(struct rtllib_hdr_3addr) + 9) {
 334                 netdev_warn(ieee->dev, "Invalid skb len in BARSP(%d / %d)\n",
 335                             (int)skb->len,
 336                             (int)(sizeof(struct rtllib_hdr_3addr) + 9));
 337                 return -1;
 338         }
 339         rsp = (struct rtllib_hdr_3addr *)skb->data;
 340         tag = (u8 *)rsp;
 341         dst = (u8 *)(&rsp->addr2[0]);
 342         tag += sizeof(struct rtllib_hdr_3addr);
 343         pDialogToken = tag + 2;
 344         pStatusCode = (u16 *)(tag + 3);
 345         pBaParamSet = (union ba_param_set *)(tag + 5);
 346         pBaTimeoutVal = (u16 *)(tag + 7);
 347
 348         RT_TRACE(COMP_DBG, "====>rx ADDBARSP from : %pM\n", dst);
 349         if (ieee->current_network.qos_data.active == 0  ||
 350             ieee->pHTInfo->bCurrentHTSupport == false ||
 351             ieee->pHTInfo->bCurrentAMPDUEnable == false) {
 352                 netdev_warn(ieee->dev,
 353                             "reject to ADDBA_RSP as some capability is not ready(%d, %d, %d)\n",
 354                             ieee->current_network.qos_data.active,
 355                             ieee->pHTInfo->bCurrentHTSupport,
 356                             ieee->pHTInfo->bCurrentAMPDUEnable);
 357                 ReasonCode = DELBA_REASON_UNKNOWN_BA;
 358                 goto OnADDBARsp_Reject;
 359         }
 360
 361
 362         if (!GetTs(ieee, (struct ts_common_info **)(&pTS), dst,
 363                    (u8)(pBaParamSet->field.TID), TX_DIR, false)) {
 364                 netdev_warn(ieee->dev, "%s(): can't get TS\n", __func__);
 365                 ReasonCode = DELBA_REASON_UNKNOWN_BA;
 366                 goto OnADDBARsp_Reject;
 367         }
 368
 369         pTS->bAddBaReqInProgress = false;
 370         pPendingBA = &pTS->TxPendingBARecord;
 371         pAdmittedBA = &pTS->TxAdmittedBARecord;
 372
 373
 374         if (pAdmittedBA->bValid == true) {
 375                 netdev_dbg(ieee->dev, "%s(): ADDBA response already admitted\n",
 376                            __func__);
 377                 return -1;
 378         } else if ((pPendingBA->bValid == false) ||
 379                    (*pDialogToken != pPendingBA->DialogToken)) {
 380                 netdev_warn(ieee->dev,
 381                             "%s(): ADDBA Rsp. BA invalid, DELBA!\n",
 382                             __func__);
 383                 ReasonCode = DELBA_REASON_UNKNOWN_BA;
 384                 goto OnADDBARsp_Reject;
 385         } else {
 386                 netdev_dbg(ieee->dev,
 387                            "%s(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n",
 388                            __func__, *pStatusCode);
 389                 DeActivateBAEntry(ieee, pPendingBA);
 390         }
 391
 392
 393         if (*pStatusCode == ADDBA_STATUS_SUCCESS) {
 394                 if (pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) {
 395                         pTS->bAddBaReqDelayed = true;
 396                         DeActivateBAEntry(ieee, pAdmittedBA);
 397                         ReasonCode = DELBA_REASON_END_BA;
 398                         goto OnADDBARsp_Reject;
 399                 }
 400
 401
 402                 pAdmittedBA->DialogToken = *pDialogToken;
 403                 pAdmittedBA->BaTimeoutValue = *pBaTimeoutVal;
 404                 pAdmittedBA->BaStartSeqCtrl = pPendingBA->BaStartSeqCtrl;
 405                 pAdmittedBA->BaParamSet = *pBaParamSet;
 406                 DeActivateBAEntry(ieee, pAdmittedBA);
 407                 ActivateBAEntry(ieee, pAdmittedBA, *pBaTimeoutVal);
 408         } else {
 409                 pTS->bAddBaReqDelayed = true;
 410                 pTS->bDisable_AddBa = true;
 411                 ReasonCode = DELBA_REASON_END_BA;
 412                 goto OnADDBARsp_Reject;
 413         }
 414
 415         return 0;
 416
 417 OnADDBARsp_Reject:
 418         {
 419                 struct ba_record BA;
 420
 421                 BA.BaParamSet = *pBaParamSet;
 422                 rtllib_send_DELBA(ieee, dst, &BA, TX_DIR, ReasonCode);
 423                 return 0;
 424         }
 425 }
 426
 427 int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
 428 {
 429          struct rtllib_hdr_3addr *delba = NULL;
 430         union delba_param_set *pDelBaParamSet = NULL;
 431         u16 *pReasonCode = NULL;
 432         u8 *dst = NULL;
 433
 434         if (skb->len < sizeof(struct rtllib_hdr_3addr) + 6) {
 435                 netdev_warn(ieee->dev, "Invalid skb len in DELBA(%d / %d)\n",
 436                             (int)skb->len,
 437                             (int)(sizeof(struct rtllib_hdr_3addr) + 6));
 438                 return -1;
 439         }
 440
 441         if (ieee->current_network.qos_data.active == 0  ||
 442                 ieee->pHTInfo->bCurrentHTSupport == false) {
 443                 netdev_warn(ieee->dev,
 444                             "received DELBA while QOS or HT is not supported(%d, %d)\n",
 445                             ieee->current_network. qos_data.active,
 446                             ieee->pHTInfo->bCurrentHTSupport);
 447                 return -1;
 448         }
 449
 450 #ifdef VERBOSE_DEBUG
 451         print_hex_dump_bytes("rtllib_rx_DELBA(): ", DUMP_PREFIX_NONE, skb->data,
 452                              skb->len);
 453 #endif
 454         delba = (struct rtllib_hdr_3addr *)skb->data;
 455         dst = (u8 *)(&delba->addr2[0]);
 456         delba += sizeof(struct rtllib_hdr_3addr);
 457         pDelBaParamSet = (union delba_param_set *)(delba+2);
 458         pReasonCode = (u16 *)(delba+4);
 459
 460         if (pDelBaParamSet->field.Initiator == 1) {
 461                 struct rx_ts_record *pRxTs;
 462
 463                 if (!GetTs(ieee, (struct ts_common_info **)&pRxTs, dst,
 464                     (u8)pDelBaParamSet->field.TID, RX_DIR, false)) {
 465                         netdev_warn(ieee->dev,
 466                                     "%s(): can't get TS for RXTS. dst:%pM TID:%d\n",
 467                                     __func__, dst,
 468                                     (u8)pDelBaParamSet->field.TID);
 469                         return -1;
 470                 }
 471
 472                 RxTsDeleteBA(ieee, pRxTs);
 473         } else {
 474                 struct tx_ts_record *pTxTs;
 475
 476                 if (!GetTs(ieee, (struct ts_common_info **)&pTxTs, dst,
 477                            (u8)pDelBaParamSet->field.TID, TX_DIR, false)) {
 478                         netdev_warn(ieee->dev, "%s(): can't get TS for TXTS\n",
 479                                     __func__);
 480                         return -1;
 481                 }
 482
 483                 pTxTs->bUsingBa = false;
 484                 pTxTs->bAddBaReqInProgress = false;
 485                 pTxTs->bAddBaReqDelayed = false;
 486                 del_timer_sync(&pTxTs->TsAddBaTimer);
 487                 TxTsDeleteBA(ieee, pTxTs);
 488         }
 489         return 0;
 490 }
 491
 492 void TsInitAddBA(struct rtllib_device *ieee, struct tx_ts_record *pTS,
 493                  u8 Policy, u8  bOverwritePending)
 494 {
 495         struct ba_record *pBA = &pTS->TxPendingBARecord;
 496
 497         if (pBA->bValid == true && bOverwritePending == false)
 498                 return;
 499
 500         DeActivateBAEntry(ieee, pBA);
 501
 502         pBA->DialogToken++;
 503         pBA->BaParamSet.field.AMSDU_Support = 0;
 504         pBA->BaParamSet.field.BAPolicy = Policy;
 505         pBA->BaParamSet.field.TID =
 506                          pTS->TsCommonInfo.TSpec.f.TSInfo.field.ucTSID;
 507         pBA->BaParamSet.field.BufferSize = 32;
 508         pBA->BaTimeoutValue = 0;
 509         pBA->BaStartSeqCtrl.field.SeqNum = (pTS->TxCurSeq + 3) % 4096;
 510
 511         ActivateBAEntry(ieee, pBA, BA_SETUP_TIMEOUT);
 512
 513         rtllib_send_ADDBAReq(ieee, pTS->TsCommonInfo.Addr, pBA);
 514 }
 515
 516 void TsInitDelBA(struct rtllib_device *ieee,
 517                  struct ts_common_info *pTsCommonInfo,
 518                  enum tr_select TxRxSelect)
 519 {
 520         if (TxRxSelect == TX_DIR) {
 521                 struct tx_ts_record *pTxTs =
 522                          (struct tx_ts_record *)pTsCommonInfo;
 523
 524                 if (TxTsDeleteBA(ieee, pTxTs))
 525                         rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
 526                                           (pTxTs->TxAdmittedBARecord.bValid) ?
 527                                          (&pTxTs->TxAdmittedBARecord) :
 528                                         (&pTxTs->TxPendingBARecord),
 529                                          TxRxSelect, DELBA_REASON_END_BA);
 530         } else if (TxRxSelect == RX_DIR) {
 531                 struct rx_ts_record *pRxTs =
 532                                  (struct rx_ts_record *)pTsCommonInfo;
 533                 if (RxTsDeleteBA(ieee, pRxTs))
 534                         rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
 535                                           &pRxTs->RxAdmittedBARecord,
 536                                           TxRxSelect, DELBA_REASON_END_BA);
 537         }
 538 }
 539
 540 void BaSetupTimeOut(unsigned long data)
 541 {
 542         struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
 543
 544         pTxTs->bAddBaReqInProgress = false;
 545         pTxTs->bAddBaReqDelayed = true;
 546         pTxTs->TxPendingBARecord.bValid = false;
 547 }
 548
 549 void TxBaInactTimeout(unsigned long data)
 550 {
 551         struct tx_ts_record *pTxTs = (struct tx_ts_record *)data;
 552         struct rtllib_device *ieee = container_of(pTxTs, struct rtllib_device,
 553                                      TxTsRecord[pTxTs->num]);
 554         TxTsDeleteBA(ieee, pTxTs);
 555         rtllib_send_DELBA(ieee, pTxTs->TsCommonInfo.Addr,
 556                           &pTxTs->TxAdmittedBARecord, TX_DIR,
 557                           DELBA_REASON_TIMEOUT);
 558 }
 559
 560 void RxBaInactTimeout(unsigned long data)
 561 {
 562         struct rx_ts_record *pRxTs = (struct rx_ts_record *)data;
 563         struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
 564                                      RxTsRecord[pRxTs->num]);
 565
 566         RxTsDeleteBA(ieee, pRxTs);
 567         rtllib_send_DELBA(ieee, pRxTs->TsCommonInfo.Addr,
 568                           &pRxTs->RxAdmittedBARecord, RX_DIR,
 569                           DELBA_REASON_TIMEOUT);
 570 }