drivers/net/wireless/rockchip_wlan/rtl8822be/core/rtw_sta_mgt.c

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  *
  19  ******************************************************************************/
  20 #define _RTW_STA_MGT_C_
  21
  22 #include <drv_types.h>
  23
  24 #if defined(PLATFORM_LINUX) && defined (PLATFORM_WINDOWS)
  25
  26         #error "Shall be Linux or Windows, but not both!\n"
  27
  28 #endif
  29
  30
  31 bool test_st_match_rule(_adapter *adapter, u8 *local_naddr, u8 *local_port, u8 *remote_naddr, u8 *remote_port)
  32 {
  33         if (ntohs(*((u16 *)local_port)) == 5001 || ntohs(*((u16 *)remote_port)) == 5001)
  34                 return _TRUE;
  35         return _FALSE;
  36 }
  37
  38 struct st_register test_st_reg = {
  39         .s_proto = 0x06,
  40         .rule = test_st_match_rule,
  41 };
  42
  43 inline void rtw_st_ctl_init(struct st_ctl_t *st_ctl)
  44 {
  45         _rtw_memset(st_ctl->reg, 0 , sizeof(struct st_register) * SESSION_TRACKER_REG_ID_NUM);
  46         _rtw_init_queue(&st_ctl->tracker_q);
  47 }
  48
  49 inline void rtw_st_ctl_clear_tracker_q(struct st_ctl_t *st_ctl)
  50 {
  51         _irqL irqL;
  52         _list *plist, *phead;
  53         struct session_tracker *st;
  54
  55         _enter_critical_bh(&st_ctl->tracker_q.lock, &irqL);
  56         phead = &st_ctl->tracker_q.queue;
  57         plist = get_next(phead);
  58         while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
  59                 st = LIST_CONTAINOR(plist, struct session_tracker, list);
  60                 plist = get_next(plist);
  61                 rtw_list_delete(&st->list);
  62                 rtw_mfree((u8 *)st, sizeof(struct session_tracker));
  63         }
  64         _exit_critical_bh(&st_ctl->tracker_q.lock, &irqL);
  65 }
  66
  67 inline void rtw_st_ctl_deinit(struct st_ctl_t *st_ctl)
  68 {
  69         rtw_st_ctl_clear_tracker_q(st_ctl);
  70         _rtw_deinit_queue(&st_ctl->tracker_q);
  71 }
  72
  73 inline void rtw_st_ctl_register(struct st_ctl_t *st_ctl, u8 st_reg_id, struct st_register *reg)
  74 {
  75         if (st_reg_id >= SESSION_TRACKER_REG_ID_NUM) {
  76                 rtw_warn_on(1);
  77                 return;
  78         }
  79
  80         st_ctl->reg[st_reg_id].s_proto = reg->s_proto;
  81         st_ctl->reg[st_reg_id].rule = reg->rule;
  82 }
  83
  84 inline void rtw_st_ctl_unregister(struct st_ctl_t *st_ctl, u8 st_reg_id)
  85 {
  86         int i;
  87
  88         if (st_reg_id >= SESSION_TRACKER_REG_ID_NUM) {
  89                 rtw_warn_on(1);
  90                 return;
  91         }
  92
  93         st_ctl->reg[st_reg_id].s_proto = 0;
  94         st_ctl->reg[st_reg_id].rule = NULL;
  95
  96         /* clear tracker queue if no session trecker registered */
  97         for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++)
  98                 if (st_ctl->reg[i].s_proto != 0)
  99                         break;
 100         if (i >= SESSION_TRACKER_REG_ID_NUM)
 101                 rtw_st_ctl_clear_tracker_q(st_ctl);
 102 }
 103
 104 inline bool rtw_st_ctl_chk_reg_s_proto(struct st_ctl_t *st_ctl, u8 s_proto)
 105 {
 106         bool ret = _FALSE;
 107         int i;
 108
 109         for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++) {
 110                 if (st_ctl->reg[i].s_proto == s_proto) {
 111                         ret = _TRUE;
 112                         break;
 113                 }
 114         }
 115
 116         return ret;
 117 }
 118
 119 inline bool rtw_st_ctl_chk_reg_rule(struct st_ctl_t *st_ctl, _adapter *adapter, u8 *local_naddr, u8 *local_port, u8 *remote_naddr, u8 *remote_port)
 120 {
 121         bool ret = _FALSE;
 122         int i;
 123         st_match_rule rule;
 124
 125         for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++) {
 126                 rule = st_ctl->reg[i].rule;
 127                 if (rule && rule(adapter, local_naddr, local_port, remote_naddr, remote_port) == _TRUE) {
 128                         ret = _TRUE;
 129                         break;
 130                 }
 131         }
 132
 133         return ret;
 134 }
 135
 136 #define SESSION_TRACKER_FMT IP_FMT":"PORT_FMT" "IP_FMT":"PORT_FMT" %u %d"
 137 #define SESSION_TRACKER_ARG(st) IP_ARG(&(st)->local_naddr), PORT_ARG(&(st)->local_port), IP_ARG(&(st)->remote_naddr), PORT_ARG(&(st)->remote_port), (st)->status, rtw_get_passing_time_ms((st)->set_time)
 138
 139 void dump_st_ctl(void *sel, struct st_ctl_t *st_ctl)
 140 {
 141         int i;
 142         _irqL irqL;
 143         _list *plist, *phead;
 144         struct session_tracker *st;
 145
 146         if (!DBG_SESSION_TRACKER)
 147                 return;
 148
 149         for (i = 0; i < SESSION_TRACKER_REG_ID_NUM; i++)
 150                 RTW_PRINT_SEL(sel, "reg%d: %u %p\n", i, st_ctl->reg[i].s_proto, st_ctl->reg[i].rule);
 151
 152         _enter_critical_bh(&st_ctl->tracker_q.lock, &irqL);
 153         phead = &st_ctl->tracker_q.queue;
 154         plist = get_next(phead);
 155         while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
 156                 st = LIST_CONTAINOR(plist, struct session_tracker, list);
 157                 plist = get_next(plist);
 158
 159                 RTW_PRINT_SEL(sel, SESSION_TRACKER_FMT"\n", SESSION_TRACKER_ARG(st));
 160         }
 161         _exit_critical_bh(&st_ctl->tracker_q.lock, &irqL);
 162
 163 }
 164
 165 void _rtw_init_stainfo(struct sta_info *psta);
 166 void _rtw_init_stainfo(struct sta_info *psta)
 167 {
 168
 169         _func_enter_;
 170
 171         _rtw_memset((u8 *)psta, 0, sizeof(struct sta_info));
 172
 173         _rtw_spinlock_init(&psta->lock);
 174         _rtw_init_listhead(&psta->list);
 175         _rtw_init_listhead(&psta->hash_list);
 176         /* _rtw_init_listhead(&psta->asoc_list); */
 177         /* _rtw_init_listhead(&psta->sleep_list); */
 178         /* _rtw_init_listhead(&psta->wakeup_list);       */
 179
 180         _rtw_init_queue(&psta->sleep_q);
 181         psta->sleepq_len = 0;
 182
 183         _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
 184         _rtw_init_sta_recv_priv(&psta->sta_recvpriv);
 185
 186 #ifdef CONFIG_AP_MODE
 187
 188         _rtw_init_listhead(&psta->asoc_list);
 189
 190         _rtw_init_listhead(&psta->auth_list);
 191
 192         psta->expire_to = 0;
 193
 194         psta->flags = 0;
 195
 196         psta->capability = 0;
 197
 198         psta->bpairwise_key_installed = _FALSE;
 199
 200
 201 #ifdef CONFIG_NATIVEAP_MLME
 202         psta->nonerp_set = 0;
 203         psta->no_short_slot_time_set = 0;
 204         psta->no_short_preamble_set = 0;
 205         psta->no_ht_gf_set = 0;
 206         psta->no_ht_set = 0;
 207         psta->ht_20mhz_set = 0;
 208         psta->ht_40mhz_intolerant = 0;
 209 #endif
 210
 211 #ifdef CONFIG_TX_MCAST2UNI
 212         psta->under_exist_checking = 0;
 213 #endif /* CONFIG_TX_MCAST2UNI */
 214
 215         psta->keep_alive_trycnt = 0;
 216
 217 #endif /* CONFIG_AP_MODE         */
 218
 219         rtw_st_ctl_init(&psta->st_ctl);
 220
 221         _func_exit_;
 222
 223 }
 224
 225 u32     _rtw_init_sta_priv(struct       sta_priv *pstapriv)
 226 {
 227         struct sta_info *psta;
 228         s32 i;
 229
 230         _func_enter_;
 231
 232         pstapriv->pallocated_stainfo_buf = rtw_zvmalloc(sizeof(struct sta_info) * NUM_STA + 4);
 233
 234         if (!pstapriv->pallocated_stainfo_buf)
 235                 return _FAIL;
 236
 237         pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
 238                          ((SIZE_PTR)(pstapriv->pallocated_stainfo_buf) & 3);
 239
 240         _rtw_init_queue(&pstapriv->free_sta_queue);
 241
 242         _rtw_spinlock_init(&pstapriv->sta_hash_lock);
 243
 244         /* _rtw_init_queue(&pstapriv->asoc_q); */
 245         pstapriv->asoc_sta_count = 0;
 246         _rtw_init_queue(&pstapriv->sleep_q);
 247         _rtw_init_queue(&pstapriv->wakeup_q);
 248
 249         psta = (struct sta_info *)(pstapriv->pstainfo_buf);
 250
 251
 252         for (i = 0; i < NUM_STA; i++) {
 253                 _rtw_init_stainfo(psta);
 254
 255                 _rtw_init_listhead(&(pstapriv->sta_hash[i]));
 256
 257                 rtw_list_insert_tail(&psta->list, get_list_head(&pstapriv->free_sta_queue));
 258
 259                 psta++;
 260         }
 261
 262         pstapriv->adhoc_expire_to = 4; /* 4 * 2 = 8 sec */
 263
 264 #ifdef CONFIG_AP_MODE
 265
 266         pstapriv->sta_dz_bitmap = 0;
 267         pstapriv->tim_bitmap = 0;
 268
 269         _rtw_init_listhead(&pstapriv->asoc_list);
 270         _rtw_init_listhead(&pstapriv->auth_list);
 271         _rtw_spinlock_init(&pstapriv->asoc_list_lock);
 272         _rtw_spinlock_init(&pstapriv->auth_list_lock);
 273         pstapriv->asoc_list_cnt = 0;
 274         pstapriv->auth_list_cnt = 0;
 275
 276         pstapriv->auth_to = 3; /* 3*2 = 6 sec */
 277         pstapriv->assoc_to = 3;
 278         /* pstapriv->expire_to = 900; */ /* 900*2 = 1800 sec = 30 min, expire after no any traffic. */
 279         /* pstapriv->expire_to = 30; */ /* 30*2 = 60 sec = 1 min, expire after no any traffic. */
 280 #ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
 281         pstapriv->expire_to = 3; /* 3*2 = 6 sec */
 282 #else
 283         pstapriv->expire_to = 60;/* 60*2 = 120 sec = 2 min, expire after no any traffic. */
 284 #endif
 285 #ifdef CONFIG_ATMEL_RC_PATCH
 286         _rtw_memset(pstapriv->atmel_rc_pattern, 0, ETH_ALEN);
 287 #endif
 288         pstapriv->max_num_sta = NUM_STA;
 289
 290 #endif
 291
 292 #if CONFIG_RTW_MACADDR_ACL
 293         _rtw_init_queue(&(pstapriv->acl_list.acl_node_q));
 294 #endif
 295
 296         _func_exit_;
 297
 298         return _SUCCESS;
 299
 300 }
 301
 302 inline int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta)
 303 {
 304         int offset = (((u8 *)sta) - stapriv->pstainfo_buf) / sizeof(struct sta_info);
 305
 306         if (!stainfo_offset_valid(offset))
 307                 RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
 308
 309         return offset;
 310 }
 311
 312 inline struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset)
 313 {
 314         if (!stainfo_offset_valid(offset))
 315                 RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
 316
 317         return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info));
 318 }
 319
 320 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv);
 321 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv)
 322 {
 323         _func_enter_;
 324
 325         _rtw_spinlock_free(&psta_xmitpriv->lock);
 326
 327         _rtw_spinlock_free(&(psta_xmitpriv->be_q.sta_pending.lock));
 328         _rtw_spinlock_free(&(psta_xmitpriv->bk_q.sta_pending.lock));
 329         _rtw_spinlock_free(&(psta_xmitpriv->vi_q.sta_pending.lock));
 330         _rtw_spinlock_free(&(psta_xmitpriv->vo_q.sta_pending.lock));
 331         _func_exit_;
 332 }
 333
 334 static void     _rtw_free_sta_recv_priv_lock(struct sta_recv_priv *psta_recvpriv)
 335 {
 336         _func_enter_;
 337
 338         _rtw_spinlock_free(&psta_recvpriv->lock);
 339
 340         _rtw_spinlock_free(&(psta_recvpriv->defrag_q.lock));
 341
 342         _func_exit_;
 343
 344 }
 345
 346 void rtw_mfree_stainfo(struct sta_info *psta);
 347 void rtw_mfree_stainfo(struct sta_info *psta)
 348 {
 349         _func_enter_;
 350
 351         if (&psta->lock != NULL)
 352                 _rtw_spinlock_free(&psta->lock);
 353
 354         _rtw_free_sta_xmit_priv_lock(&psta->sta_xmitpriv);
 355         _rtw_free_sta_recv_priv_lock(&psta->sta_recvpriv);
 356
 357         _func_exit_;
 358 }
 359
 360
 361 /* this function is used to free the memory of lock || sema for all stainfos */
 362 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv);
 363 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv)
 364 {
 365         _irqL    irqL;
 366         _list   *plist, *phead;
 367         struct sta_info *psta = NULL;
 368
 369         _func_enter_;
 370
 371         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 372
 373         phead = get_list_head(&pstapriv->free_sta_queue);
 374         plist = get_next(phead);
 375
 376         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 377                 psta = LIST_CONTAINOR(plist, struct sta_info , list);
 378                 plist = get_next(plist);
 379
 380                 rtw_mfree_stainfo(psta);
 381         }
 382
 383         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 384
 385         _func_exit_;
 386
 387 }
 388
 389 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv);
 390 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv)
 391 {
 392         rtw_mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
 393
 394         _rtw_spinlock_free(&pstapriv->free_sta_queue.lock);
 395
 396         _rtw_spinlock_free(&pstapriv->sta_hash_lock);
 397         _rtw_spinlock_free(&pstapriv->wakeup_q.lock);
 398         _rtw_spinlock_free(&pstapriv->sleep_q.lock);
 399
 400 #ifdef CONFIG_AP_MODE
 401         _rtw_spinlock_free(&pstapriv->asoc_list_lock);
 402         _rtw_spinlock_free(&pstapriv->auth_list_lock);
 403 #endif
 404
 405 }
 406
 407 u32     _rtw_free_sta_priv(struct       sta_priv *pstapriv)
 408 {
 409         _irqL   irqL;
 410         _list   *phead, *plist;
 411         struct sta_info *psta = NULL;
 412         struct recv_reorder_ctrl *preorder_ctrl;
 413         int     index;
 414
 415         _func_enter_;
 416         if (pstapriv) {
 417
 418                 /*      delete all reordering_ctrl_timer                */
 419                 _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 420                 for (index = 0; index < NUM_STA; index++) {
 421                         phead = &(pstapriv->sta_hash[index]);
 422                         plist = get_next(phead);
 423
 424                         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 425                                 int i;
 426                                 psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
 427                                 plist = get_next(plist);
 428
 429                                 for (i = 0; i < 16 ; i++) {
 430                                         preorder_ctrl = &psta->recvreorder_ctrl[i];
 431                                         _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
 432                                 }
 433                         }
 434                 }
 435                 _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 436                 /*===============================*/
 437
 438                 rtw_mfree_sta_priv_lock(pstapriv);
 439
 440 #if CONFIG_RTW_MACADDR_ACL
 441                 _rtw_deinit_queue(&(pstapriv->acl_list.acl_node_q));
 442 #endif
 443
 444                 if (pstapriv->pallocated_stainfo_buf)
 445                         rtw_vmfree(pstapriv->pallocated_stainfo_buf, sizeof(struct sta_info) * NUM_STA + 4);
 446         }
 447
 448         _func_exit_;
 449         return _SUCCESS;
 450 }
 451
 452
 453 /* struct       sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr) */
 454 struct  sta_info *rtw_alloc_stainfo(struct      sta_priv *pstapriv, u8 *hwaddr)
 455 {
 456         _irqL irqL, irqL2;
 457         uint tmp_aid;
 458         s32     index;
 459         _list   *phash_list;
 460         struct sta_info *psta;
 461         _queue *pfree_sta_queue;
 462         struct recv_reorder_ctrl *preorder_ctrl;
 463         int i = 0;
 464         u16  wRxSeqInitialValue = 0xffff;
 465
 466         _func_enter_;
 467
 468         pfree_sta_queue = &pstapriv->free_sta_queue;
 469
 470         /* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 471         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 472         if (_rtw_queue_empty(pfree_sta_queue) == _TRUE) {
 473                 /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 474                 _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 475                 psta = NULL;
 476         } else {
 477                 psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list);
 478
 479                 rtw_list_delete(&(psta->list));
 480
 481                 /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 482
 483                 tmp_aid = psta->aid;
 484
 485                 _rtw_init_stainfo(psta);
 486
 487                 psta->padapter = pstapriv->padapter;
 488
 489                 _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
 490
 491                 index = wifi_mac_hash(hwaddr);
 492
 493                 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_, ("rtw_alloc_stainfo: index  = %x", index));
 494
 495                 if (index >= NUM_STA) {
 496                         RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_, ("ERROR=> rtw_alloc_stainfo: index >= NUM_STA"));
 497                         psta = NULL;
 498                         goto exit;
 499                 }
 500                 phash_list = &(pstapriv->sta_hash[index]);
 501
 502                 /* _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
 503
 504                 rtw_list_insert_tail(&psta->hash_list, phash_list);
 505
 506                 pstapriv->asoc_sta_count++;
 507
 508                 /* _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
 509
 510                 /* Commented by Albert 2009/08/13
 511                  * For the SMC router, the sequence number of first packet of WPS handshake will be 0.
 512                  * In this case, this packet will be dropped by recv_decache function if we use the 0x00 as the default value for tid_rxseq variable.
 513                  * So, we initialize the tid_rxseq variable as the 0xffff. */
 514
 515                 for (i = 0; i < 16; i++)
 516                         _rtw_memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i], &wRxSeqInitialValue, 2);
 517
 518                 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_, ("alloc number_%d stainfo  with hwaddr = %x %x %x %x %x %x\n",
 519                         pstapriv->asoc_sta_count , hwaddr[0], hwaddr[1], hwaddr[2], hwaddr[3], hwaddr[4], hwaddr[5]));
 520
 521                 init_addba_retry_timer(pstapriv->padapter, psta);
 522 #ifdef CONFIG_IEEE80211W
 523                 init_dot11w_expire_timer(pstapriv->padapter, psta);
 524 #endif /* CONFIG_IEEE80211W */
 525 #ifdef CONFIG_TDLS
 526                 rtw_init_tdls_timer(pstapriv->padapter, psta);
 527 #endif /* CONFIG_TDLS */
 528
 529                 /* for A-MPDU Rx reordering buffer control */
 530                 for (i = 0; i < 16 ; i++) {
 531                         preorder_ctrl = &psta->recvreorder_ctrl[i];
 532
 533                         preorder_ctrl->padapter = pstapriv->padapter;
 534
 535                         preorder_ctrl->enable = _FALSE;
 536
 537                         preorder_ctrl->indicate_seq = 0xffff;
 538 #ifdef DBG_RX_SEQ
 539                         RTW_INFO("DBG_RX_SEQ %s:%d IndicateSeq: %d\n", __FUNCTION__, __LINE__,
 540                                  preorder_ctrl->indicate_seq);
 541 #endif
 542                         preorder_ctrl->wend_b = 0xffff;
 543                         /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
 544                         preorder_ctrl->wsize_b = 64;/* 64; */
 545                         preorder_ctrl->ampdu_size = RX_AMPDU_SIZE_INVALID;
 546
 547                         _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue);
 548
 549                         rtw_init_recv_timer(preorder_ctrl);
 550                 }
 551
 552
 553                 /* init for DM */
 554                 psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
 555                 psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
 556 #ifdef CONFIG_ATMEL_RC_PATCH
 557                 psta->flag_atmel_rc = 0;
 558 #endif
 559                 /* init for the sequence number of received management frame */
 560                 psta->RxMgmtFrameSeqNum = 0xffff;
 561                 psta->ra_rpt_linked = _FALSE;
 562
 563                 rtw_alloc_macid(pstapriv->padapter, psta);
 564
 565         }
 566
 567 exit:
 568
 569         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 570
 571         _func_exit_;
 572
 573         return psta;
 574
 575
 576 }
 577
 578
 579 /* using pstapriv->sta_hash_lock to protect */
 580 u32     rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
 581 {
 582         int i;
 583         _irqL irqL0;
 584         _queue *pfree_sta_queue;
 585         struct recv_reorder_ctrl *preorder_ctrl;
 586         struct  sta_xmit_priv   *pstaxmitpriv;
 587         struct  xmit_priv       *pxmitpriv = &padapter->xmitpriv;
 588         struct  sta_priv *pstapriv = &padapter->stapriv;
 589         struct hw_xmit *phwxmit;
 590         int pending_qcnt[4];
 591
 592         _func_enter_;
 593
 594         if (psta == NULL)
 595                 goto exit;
 596
 597         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 598         rtw_list_delete(&psta->hash_list);
 599         RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_, ("\n free number_%d stainfo  with hwaddr = 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n", pstapriv->asoc_sta_count , psta->hwaddr[0],
 600                 psta->hwaddr[1], psta->hwaddr[2], psta->hwaddr[3], psta->hwaddr[4], psta->hwaddr[5]));
 601         pstapriv->asoc_sta_count--;
 602         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 603
 604
 605         _enter_critical_bh(&psta->lock, &irqL0);
 606         psta->state &= ~_FW_LINKED;
 607         _exit_critical_bh(&psta->lock, &irqL0);
 608
 609         pfree_sta_queue = &pstapriv->free_sta_queue;
 610
 611
 612         pstaxmitpriv = &psta->sta_xmitpriv;
 613
 614         /* rtw_list_delete(&psta->sleep_list); */
 615
 616         /* rtw_list_delete(&psta->wakeup_list); */
 617
 618         _enter_critical_bh(&pxmitpriv->lock, &irqL0);
 619
 620         rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
 621         psta->sleepq_len = 0;
 622
 623         /* vo */
 624         /* _enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
 625         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
 626         rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
 627         phwxmit = pxmitpriv->hwxmits;
 628         phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
 629         pending_qcnt[0] = pstaxmitpriv->vo_q.qcnt;
 630         pstaxmitpriv->vo_q.qcnt = 0;
 631         /* _exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
 632
 633         /* vi */
 634         /* _enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
 635         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
 636         rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
 637         phwxmit = pxmitpriv->hwxmits + 1;
 638         phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
 639         pending_qcnt[1] = pstaxmitpriv->vi_q.qcnt;
 640         pstaxmitpriv->vi_q.qcnt = 0;
 641         /* _exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
 642
 643         /* be */
 644         /* _enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
 645         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
 646         rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
 647         phwxmit = pxmitpriv->hwxmits + 2;
 648         phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
 649         pending_qcnt[2] = pstaxmitpriv->be_q.qcnt;
 650         pstaxmitpriv->be_q.qcnt = 0;
 651         /* _exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
 652
 653         /* bk */
 654         /* _enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
 655         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
 656         rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
 657         phwxmit = pxmitpriv->hwxmits + 3;
 658         phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
 659         pending_qcnt[3] = pstaxmitpriv->bk_q.qcnt;
 660         pstaxmitpriv->bk_q.qcnt = 0;
 661         /* _exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
 662
 663         rtw_os_wake_queue_at_free_stainfo(padapter, pending_qcnt);
 664
 665         _exit_critical_bh(&pxmitpriv->lock, &irqL0);
 666
 667
 668         /* re-init sta_info; 20061114 */ /* will be init in alloc_stainfo */
 669         /* _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv); */
 670         /* _rtw_init_sta_recv_priv(&psta->sta_recvpriv); */
 671 #ifdef CONFIG_IEEE80211W
 672         _cancel_timer_ex(&psta->dot11w_expire_timer);
 673 #endif /* CONFIG_IEEE80211W */
 674         _cancel_timer_ex(&psta->addba_retry_timer);
 675
 676 #ifdef CONFIG_TDLS
 677         psta->tdls_sta_state = TDLS_STATE_NONE;
 678         rtw_free_tdls_timer(psta);
 679 #endif /* CONFIG_TDLS */
 680
 681         /* for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer */
 682         for (i = 0; i < 16 ; i++) {
 683                 _irqL irqL;
 684                 _list   *phead, *plist;
 685                 union recv_frame *prframe;
 686                 _queue *ppending_recvframe_queue;
 687                 _queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
 688
 689                 preorder_ctrl = &psta->recvreorder_ctrl[i];
 690
 691                 _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
 692
 693
 694                 ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
 695
 696                 _enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
 697
 698                 phead = get_list_head(ppending_recvframe_queue);
 699                 plist = get_next(phead);
 700
 701                 while (!rtw_is_list_empty(phead)) {
 702                         prframe = LIST_CONTAINOR(plist, union recv_frame, u);
 703
 704                         plist = get_next(plist);
 705
 706                         rtw_list_delete(&(prframe->u.hdr.list));
 707
 708                         rtw_free_recvframe(prframe, pfree_recv_queue);
 709                 }
 710
 711                 _exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
 712
 713         }
 714
 715         if (!((psta->state & WIFI_AP_STATE) || MacAddr_isBcst(psta->hwaddr)))
 716                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
 717
 718
 719         /* release mac id for non-bc/mc station, */
 720         rtw_release_macid(pstapriv->padapter, psta);
 721
 722 #ifdef CONFIG_AP_MODE
 723
 724         /*
 725                 _enter_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
 726                 rtw_list_delete(&psta->asoc_list);
 727                 _exit_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
 728         */
 729         _enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
 730         if (!rtw_is_list_empty(&psta->auth_list)) {
 731                 rtw_list_delete(&psta->auth_list);
 732                 pstapriv->auth_list_cnt--;
 733         }
 734         _exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
 735
 736         psta->expire_to = 0;
 737 #ifdef CONFIG_ATMEL_RC_PATCH
 738         psta->flag_atmel_rc = 0;
 739 #endif
 740         psta->sleepq_ac_len = 0;
 741         psta->qos_info = 0;
 742
 743         psta->max_sp_len = 0;
 744         psta->uapsd_bk = 0;
 745         psta->uapsd_be = 0;
 746         psta->uapsd_vi = 0;
 747         psta->uapsd_vo = 0;
 748
 749         psta->has_legacy_ac = 0;
 750
 751 #ifdef CONFIG_NATIVEAP_MLME
 752
 753         pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
 754         pstapriv->tim_bitmap &= ~BIT(psta->aid);
 755
 756         /* rtw_indicate_sta_disassoc_event(padapter, psta); */
 757
 758         if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
 759                 pstapriv->sta_aid[psta->aid - 1] = NULL;
 760                 psta->aid = 0;
 761         }
 762
 763 #endif /* CONFIG_NATIVEAP_MLME   */
 764
 765 #ifdef CONFIG_TX_MCAST2UNI
 766         psta->under_exist_checking = 0;
 767 #endif /* CONFIG_TX_MCAST2UNI */
 768
 769 #endif /* CONFIG_AP_MODE         */
 770
 771         rtw_st_ctl_deinit(&psta->st_ctl);
 772
 773         _rtw_spinlock_free(&psta->lock);
 774
 775         /* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
 776         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 777         rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
 778         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 779         /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
 780
 781 exit:
 782
 783         _func_exit_;
 784
 785         return _SUCCESS;
 786
 787 }
 788
 789 /* free all stainfo which in sta_hash[all] */
 790 void rtw_free_all_stainfo(_adapter *padapter)
 791 {
 792         _irqL    irqL;
 793         _list   *plist, *phead;
 794         s32     index;
 795         struct sta_info *psta = NULL;
 796         struct  sta_priv *pstapriv = &padapter->stapriv;
 797         struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo(padapter);
 798         u8 free_sta_num = 0;
 799         char free_sta_list[NUM_STA];
 800         int stainfo_offset;
 801
 802         _func_enter_;
 803
 804         if (pstapriv->asoc_sta_count == 1)
 805                 goto exit;
 806
 807         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 808
 809         for (index = 0; index < NUM_STA; index++) {
 810                 phead = &(pstapriv->sta_hash[index]);
 811                 plist = get_next(phead);
 812
 813                 while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 814                         psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
 815
 816                         plist = get_next(plist);
 817
 818                         if (pbcmc_stainfo != psta) {
 819                                 rtw_list_delete(&psta->hash_list);
 820                                 /* rtw_free_stainfo(padapter , psta); */
 821                                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
 822                                 if (stainfo_offset_valid(stainfo_offset))
 823                                         free_sta_list[free_sta_num++] = stainfo_offset;
 824                         }
 825
 826                 }
 827         }
 828
 829         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 830
 831
 832         for (index = 0; index < free_sta_num; index++) {
 833                 psta = rtw_get_stainfo_by_offset(pstapriv, free_sta_list[index]);
 834                 rtw_free_stainfo(padapter , psta);
 835         }
 836
 837 exit:
 838
 839         _func_exit_;
 840
 841 }
 842
 843 /* any station allocated can be searched by hash list */
 844 struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 845 {
 846
 847         _irqL    irqL;
 848
 849         _list   *plist, *phead;
 850
 851         struct sta_info *psta = NULL;
 852
 853         u32     index;
 854
 855         u8 *addr;
 856
 857         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 858
 859         _func_enter_;
 860
 861         if (hwaddr == NULL)
 862                 return NULL;
 863
 864         if (IS_MCAST(hwaddr))
 865                 addr = bc_addr;
 866         else
 867                 addr = hwaddr;
 868
 869         index = wifi_mac_hash(addr);
 870
 871         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 872
 873         phead = &(pstapriv->sta_hash[index]);
 874         plist = get_next(phead);
 875
 876
 877         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 878
 879                 psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
 880
 881                 if ((_rtw_memcmp(psta->hwaddr, addr, ETH_ALEN)) == _TRUE) {
 882                         /* if found the matched address */
 883                         break;
 884                 }
 885                 psta = NULL;
 886                 plist = get_next(plist);
 887         }
 888
 889         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 890         _func_exit_;
 891         return psta;
 892
 893 }
 894
 895 u32 rtw_init_bcmc_stainfo(_adapter *padapter)
 896 {
 897
 898         struct sta_info *psta;
 899         struct tx_servq *ptxservq;
 900         u32 res = _SUCCESS;
 901         NDIS_802_11_MAC_ADDRESS bcast_addr = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 902
 903         struct  sta_priv *pstapriv = &padapter->stapriv;
 904         /* _queue       *pstapending = &padapter->xmitpriv.bm_pending; */
 905
 906         _func_enter_;
 907
 908         psta = rtw_alloc_stainfo(pstapriv, bcast_addr);
 909
 910         if (psta == NULL) {
 911                 res = _FAIL;
 912                 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_, ("rtw_alloc_stainfo fail"));
 913                 goto exit;
 914         }
 915 #ifdef CONFIG_BEAMFORMING
 916         psta->txbf_gid = 63;
 917         psta->txbf_paid = 0;
 918 #endif
 919         ptxservq = &(psta->sta_xmitpriv.be_q);
 920
 921         /*
 922                 _enter_critical(&pstapending->lock, &irqL0);
 923
 924                 if (rtw_is_list_empty(&ptxservq->tx_pending))
 925                         rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(pstapending));
 926
 927                 _exit_critical(&pstapending->lock, &irqL0);
 928         */
 929
 930 exit:
 931         _func_exit_;
 932         return _SUCCESS;
 933
 934 }
 935
 936
 937 struct sta_info *rtw_get_bcmc_stainfo(_adapter *padapter)
 938 {
 939         struct sta_info *psta;
 940         struct sta_priv *pstapriv = &padapter->stapriv;
 941         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 942         _func_enter_;
 943         psta = rtw_get_stainfo(pstapriv, bc_addr);
 944         _func_exit_;
 945         return psta;
 946
 947 }
 948
 949 #if CONFIG_RTW_MACADDR_ACL
 950 u8 rtw_access_ctrl(_adapter *adapter, u8 *mac_addr)
 951 {
 952         u8 res = _TRUE;
 953         _irqL irqL;
 954         _list *list, *head;
 955         struct rtw_wlan_acl_node *acl_node;
 956         u8 match = _FALSE;
 957         struct sta_priv *stapriv = &adapter->stapriv;
 958         struct wlan_acl_pool *acl = &stapriv->acl_list;
 959         _queue  *acl_node_q = &acl->acl_node_q;
 960
 961         _enter_critical_bh(&(acl_node_q->lock), &irqL);
 962         head = get_list_head(acl_node_q);
 963         list = get_next(head);
 964         while (rtw_end_of_queue_search(head, list) == _FALSE) {
 965                 acl_node = LIST_CONTAINOR(list, struct rtw_wlan_acl_node, list);
 966                 list = get_next(list);
 967
 968                 if (_rtw_memcmp(acl_node->addr, mac_addr, ETH_ALEN)) {
 969                         if (acl_node->valid == _TRUE) {
 970                                 match = _TRUE;
 971                                 break;
 972                         }
 973                 }
 974         }
 975         _exit_critical_bh(&(acl_node_q->lock), &irqL);
 976
 977         if (acl->mode == RTW_ACL_MODE_ACCEPT_UNLESS_LISTED)
 978                 res = (match == _TRUE) ?  _FALSE : _TRUE;
 979         else if (acl->mode == RTW_ACL_MODE_DENY_UNLESS_LISTED)
 980                 res = (match == _TRUE) ?  _TRUE : _FALSE;
 981         else
 982                 res = _TRUE;
 983
 984         return res;
 985 }
 986 #endif /* CONFIG_RTW_MACADDR_ACL */