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