drivers/net/wireless/rockchip_wlan/rtl8723cs/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
 170         _rtw_memset((u8 *)psta, 0, sizeof(struct sta_info));
 171
 172         _rtw_spinlock_init(&psta->lock);
 173         _rtw_init_listhead(&psta->list);
 174         _rtw_init_listhead(&psta->hash_list);
 175         /* _rtw_init_listhead(&psta->asoc_list); */
 176         /* _rtw_init_listhead(&psta->sleep_list); */
 177         /* _rtw_init_listhead(&psta->wakeup_list);       */
 178
 179         _rtw_init_queue(&psta->sleep_q);
 180         psta->sleepq_len = 0;
 181
 182         _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
 183         _rtw_init_sta_recv_priv(&psta->sta_recvpriv);
 184
 185 #ifdef CONFIG_AP_MODE
 186
 187         _rtw_init_listhead(&psta->asoc_list);
 188
 189         _rtw_init_listhead(&psta->auth_list);
 190
 191         psta->expire_to = 0;
 192
 193         psta->flags = 0;
 194
 195         psta->capability = 0;
 196
 197         psta->bpairwise_key_installed = _FALSE;
 198
 199 #ifdef CONFIG_RTW_80211R
 200         psta->ft_pairwise_key_installed = _FALSE;
 201 #endif
 202
 203 #ifdef CONFIG_NATIVEAP_MLME
 204         psta->nonerp_set = 0;
 205         psta->no_short_slot_time_set = 0;
 206         psta->no_short_preamble_set = 0;
 207         psta->no_ht_gf_set = 0;
 208         psta->no_ht_set = 0;
 209         psta->ht_20mhz_set = 0;
 210         psta->ht_40mhz_intolerant = 0;
 211 #endif
 212
 213 #ifdef CONFIG_TX_MCAST2UNI
 214         psta->under_exist_checking = 0;
 215 #endif /* CONFIG_TX_MCAST2UNI */
 216
 217         psta->keep_alive_trycnt = 0;
 218
 219 #endif /* CONFIG_AP_MODE         */
 220
 221         rtw_st_ctl_init(&psta->st_ctl);
 222
 223
 224 }
 225
 226 u32     _rtw_init_sta_priv(struct       sta_priv *pstapriv)
 227 {
 228         struct sta_info *psta;
 229         s32 i;
 230
 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 #if CONFIG_RTW_PRE_LINK_STA
 297         rtw_pre_link_sta_ctl_init(pstapriv);
 298 #endif
 299
 300         return _SUCCESS;
 301
 302 }
 303
 304 inline int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta)
 305 {
 306         int offset = (((u8 *)sta) - stapriv->pstainfo_buf) / sizeof(struct sta_info);
 307
 308         if (!stainfo_offset_valid(offset))
 309                 RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
 310
 311         return offset;
 312 }
 313
 314 inline struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset)
 315 {
 316         if (!stainfo_offset_valid(offset))
 317                 RTW_INFO("%s invalid offset(%d), out of range!!!", __func__, offset);
 318
 319         return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info));
 320 }
 321
 322 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv);
 323 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv)
 324 {
 325
 326         _rtw_spinlock_free(&psta_xmitpriv->lock);
 327
 328         _rtw_spinlock_free(&(psta_xmitpriv->be_q.sta_pending.lock));
 329         _rtw_spinlock_free(&(psta_xmitpriv->bk_q.sta_pending.lock));
 330         _rtw_spinlock_free(&(psta_xmitpriv->vi_q.sta_pending.lock));
 331         _rtw_spinlock_free(&(psta_xmitpriv->vo_q.sta_pending.lock));
 332 }
 333
 334 static void     _rtw_free_sta_recv_priv_lock(struct sta_recv_priv *psta_recvpriv)
 335 {
 336
 337         _rtw_spinlock_free(&psta_recvpriv->lock);
 338
 339         _rtw_spinlock_free(&(psta_recvpriv->defrag_q.lock));
 340
 341
 342 }
 343
 344 void rtw_mfree_stainfo(struct sta_info *psta);
 345 void rtw_mfree_stainfo(struct sta_info *psta)
 346 {
 347
 348         if (&psta->lock != NULL)
 349                 _rtw_spinlock_free(&psta->lock);
 350
 351         _rtw_free_sta_xmit_priv_lock(&psta->sta_xmitpriv);
 352         _rtw_free_sta_recv_priv_lock(&psta->sta_recvpriv);
 353
 354 }
 355
 356
 357 /* this function is used to free the memory of lock || sema for all stainfos */
 358 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv);
 359 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv)
 360 {
 361         _irqL    irqL;
 362         _list   *plist, *phead;
 363         struct sta_info *psta = NULL;
 364
 365
 366         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 367
 368         phead = get_list_head(&pstapriv->free_sta_queue);
 369         plist = get_next(phead);
 370
 371         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 372                 psta = LIST_CONTAINOR(plist, struct sta_info , list);
 373                 plist = get_next(plist);
 374
 375                 rtw_mfree_stainfo(psta);
 376         }
 377
 378         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 379
 380
 381 }
 382
 383 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv);
 384 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv)
 385 {
 386         rtw_mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
 387
 388         _rtw_spinlock_free(&pstapriv->free_sta_queue.lock);
 389
 390         _rtw_spinlock_free(&pstapriv->sta_hash_lock);
 391         _rtw_spinlock_free(&pstapriv->wakeup_q.lock);
 392         _rtw_spinlock_free(&pstapriv->sleep_q.lock);
 393
 394 #ifdef CONFIG_AP_MODE
 395         _rtw_spinlock_free(&pstapriv->asoc_list_lock);
 396         _rtw_spinlock_free(&pstapriv->auth_list_lock);
 397 #endif
 398
 399 }
 400
 401 u32     _rtw_free_sta_priv(struct       sta_priv *pstapriv)
 402 {
 403         _irqL   irqL;
 404         _list   *phead, *plist;
 405         struct sta_info *psta = NULL;
 406         struct recv_reorder_ctrl *preorder_ctrl;
 407         int     index;
 408
 409         if (pstapriv) {
 410
 411                 /*      delete all reordering_ctrl_timer                */
 412                 _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 413                 for (index = 0; index < NUM_STA; index++) {
 414                         phead = &(pstapriv->sta_hash[index]);
 415                         plist = get_next(phead);
 416
 417                         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 418                                 int i;
 419                                 psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
 420                                 plist = get_next(plist);
 421
 422                                 for (i = 0; i < 16 ; i++) {
 423                                         preorder_ctrl = &psta->recvreorder_ctrl[i];
 424                                         _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
 425                                 }
 426                         }
 427                 }
 428                 _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 429                 /*===============================*/
 430
 431                 rtw_mfree_sta_priv_lock(pstapriv);
 432
 433 #if CONFIG_RTW_MACADDR_ACL
 434                 _rtw_deinit_queue(&(pstapriv->acl_list.acl_node_q));
 435 #endif
 436
 437 #if CONFIG_RTW_PRE_LINK_STA
 438                 rtw_pre_link_sta_ctl_deinit(pstapriv);
 439 #endif
 440
 441                 if (pstapriv->pallocated_stainfo_buf)
 442                         rtw_vmfree(pstapriv->pallocated_stainfo_buf, sizeof(struct sta_info) * NUM_STA + 4);
 443         }
 444
 445         return _SUCCESS;
 446 }
 447
 448
 449 /* struct       sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr) */
 450 struct  sta_info *rtw_alloc_stainfo(struct      sta_priv *pstapriv, u8 *hwaddr)
 451 {
 452         _irqL irqL, irqL2;
 453         uint tmp_aid;
 454         s32     index;
 455         _list   *phash_list;
 456         struct sta_info *psta;
 457         _queue *pfree_sta_queue;
 458         struct recv_reorder_ctrl *preorder_ctrl;
 459         int i = 0;
 460         u16  wRxSeqInitialValue = 0xffff;
 461
 462
 463         pfree_sta_queue = &pstapriv->free_sta_queue;
 464
 465         /* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 466         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 467         if (_rtw_queue_empty(pfree_sta_queue) == _TRUE) {
 468                 /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 469                 _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 470                 psta = NULL;
 471         } else {
 472                 psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list);
 473
 474                 rtw_list_delete(&(psta->list));
 475
 476                 /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); */
 477
 478                 tmp_aid = psta->aid;
 479
 480                 _rtw_init_stainfo(psta);
 481
 482                 psta->padapter = pstapriv->padapter;
 483
 484                 _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
 485
 486                 index = wifi_mac_hash(hwaddr);
 487
 488
 489                 if (index >= NUM_STA) {
 490                         psta = NULL;
 491                         goto exit;
 492                 }
 493                 phash_list = &(pstapriv->sta_hash[index]);
 494
 495                 /* _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
 496
 497                 rtw_list_insert_tail(&psta->hash_list, phash_list);
 498
 499                 pstapriv->asoc_sta_count++;
 500
 501                 /* _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); */
 502
 503                 /* Commented by Albert 2009/08/13
 504                  * For the SMC router, the sequence number of first packet of WPS handshake will be 0.
 505                  * 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.
 506                  * So, we initialize the tid_rxseq variable as the 0xffff. */
 507
 508                 for (i = 0; i < 16; i++)
 509                         _rtw_memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i], &wRxSeqInitialValue, 2);
 510
 511
 512                 init_addba_retry_timer(pstapriv->padapter, psta);
 513 #ifdef CONFIG_IEEE80211W
 514                 init_dot11w_expire_timer(pstapriv->padapter, psta);
 515 #endif /* CONFIG_IEEE80211W */
 516 #ifdef CONFIG_TDLS
 517                 rtw_init_tdls_timer(pstapriv->padapter, psta);
 518 #endif /* CONFIG_TDLS */
 519
 520                 /* for A-MPDU Rx reordering buffer control */
 521                 for (i = 0; i < 16 ; i++) {
 522                         preorder_ctrl = &psta->recvreorder_ctrl[i];
 523
 524                         preorder_ctrl->padapter = pstapriv->padapter;
 525
 526                         preorder_ctrl->enable = _FALSE;
 527
 528                         preorder_ctrl->indicate_seq = 0xffff;
 529 #ifdef DBG_RX_SEQ
 530                         RTW_INFO("DBG_RX_SEQ %s:%d IndicateSeq: %d\n", __FUNCTION__, __LINE__,
 531                                  preorder_ctrl->indicate_seq);
 532 #endif
 533                         preorder_ctrl->wend_b = 0xffff;
 534                         /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
 535                         preorder_ctrl->wsize_b = 64;/* 64; */
 536                         preorder_ctrl->ampdu_size = RX_AMPDU_SIZE_INVALID;
 537
 538                         _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue);
 539
 540                         rtw_init_recv_timer(preorder_ctrl);
 541                 }
 542
 543
 544                 /* init for DM */
 545                 psta->rssi_stat.undecorated_smoothed_pwdb = (-1);
 546                 psta->rssi_stat.undecorated_smoothed_cck = (-1);
 547 #ifdef CONFIG_ATMEL_RC_PATCH
 548                 psta->flag_atmel_rc = 0;
 549 #endif
 550                 /* init for the sequence number of received management frame */
 551                 psta->RxMgmtFrameSeqNum = 0xffff;
 552                 psta->ra_rpt_linked = _FALSE;
 553
 554                 rtw_alloc_macid(pstapriv->padapter, psta);
 555
 556         }
 557
 558 exit:
 559
 560         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
 561
 562
 563         if (psta)
 564                 rtw_mi_update_iface_status(&(pstapriv->padapter->mlmepriv), 0);
 565
 566         return psta;
 567 }
 568
 569
 570 /* using pstapriv->sta_hash_lock to protect */
 571 u32     rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
 572 {
 573         int i;
 574         _irqL irqL0;
 575         _queue *pfree_sta_queue;
 576         struct recv_reorder_ctrl *preorder_ctrl;
 577         struct  sta_xmit_priv   *pstaxmitpriv;
 578         struct  xmit_priv       *pxmitpriv = &padapter->xmitpriv;
 579         struct  sta_priv *pstapriv = &padapter->stapriv;
 580         struct hw_xmit *phwxmit;
 581         int pending_qcnt[4];
 582         u8 is_pre_link_sta = _FALSE;
 583
 584         if (psta == NULL)
 585                 goto exit;
 586
 587         is_pre_link_sta = rtw_is_pre_link_sta(pstapriv, psta->hwaddr);
 588
 589         if (is_pre_link_sta == _FALSE) {
 590                 _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 591                 rtw_list_delete(&psta->hash_list);
 592                 pstapriv->asoc_sta_count--;
 593                 _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 594                 rtw_mi_update_iface_status(&(padapter->mlmepriv), 0);
 595         } else {
 596                 _enter_critical_bh(&psta->lock, &irqL0);
 597                 psta->state = WIFI_FW_PRE_LINK;
 598                 _exit_critical_bh(&psta->lock, &irqL0);
 599         }
 600
 601         _enter_critical_bh(&psta->lock, &irqL0);
 602         psta->state &= ~_FW_LINKED;
 603         _exit_critical_bh(&psta->lock, &irqL0);
 604
 605         pfree_sta_queue = &pstapriv->free_sta_queue;
 606
 607
 608         pstaxmitpriv = &psta->sta_xmitpriv;
 609
 610         /* rtw_list_delete(&psta->sleep_list); */
 611
 612         /* rtw_list_delete(&psta->wakeup_list); */
 613
 614         _enter_critical_bh(&pxmitpriv->lock, &irqL0);
 615
 616         rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
 617         psta->sleepq_len = 0;
 618
 619         /* vo */
 620         /* _enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
 621         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
 622         rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
 623         phwxmit = pxmitpriv->hwxmits;
 624         phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
 625         pending_qcnt[0] = pstaxmitpriv->vo_q.qcnt;
 626         pstaxmitpriv->vo_q.qcnt = 0;
 627         /* _exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0); */
 628
 629         /* vi */
 630         /* _enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
 631         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
 632         rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
 633         phwxmit = pxmitpriv->hwxmits + 1;
 634         phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
 635         pending_qcnt[1] = pstaxmitpriv->vi_q.qcnt;
 636         pstaxmitpriv->vi_q.qcnt = 0;
 637         /* _exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0); */
 638
 639         /* be */
 640         /* _enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
 641         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
 642         rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
 643         phwxmit = pxmitpriv->hwxmits + 2;
 644         phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
 645         pending_qcnt[2] = pstaxmitpriv->be_q.qcnt;
 646         pstaxmitpriv->be_q.qcnt = 0;
 647         /* _exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0); */
 648
 649         /* bk */
 650         /* _enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
 651         rtw_free_xmitframe_queue(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
 652         rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
 653         phwxmit = pxmitpriv->hwxmits + 3;
 654         phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
 655         pending_qcnt[3] = pstaxmitpriv->bk_q.qcnt;
 656         pstaxmitpriv->bk_q.qcnt = 0;
 657         /* _exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0); */
 658
 659         rtw_os_wake_queue_at_free_stainfo(padapter, pending_qcnt);
 660
 661         _exit_critical_bh(&pxmitpriv->lock, &irqL0);
 662
 663
 664         /* re-init sta_info; 20061114 */ /* will be init in alloc_stainfo */
 665         /* _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv); */
 666         /* _rtw_init_sta_recv_priv(&psta->sta_recvpriv); */
 667 #ifdef CONFIG_IEEE80211W
 668         _cancel_timer_ex(&psta->dot11w_expire_timer);
 669 #endif /* CONFIG_IEEE80211W */
 670         _cancel_timer_ex(&psta->addba_retry_timer);
 671
 672 #ifdef CONFIG_TDLS
 673         psta->tdls_sta_state = TDLS_STATE_NONE;
 674         rtw_free_tdls_timer(psta);
 675 #endif /* CONFIG_TDLS */
 676
 677         /* for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer */
 678         for (i = 0; i < 16 ; i++) {
 679                 _irqL irqL;
 680                 _list   *phead, *plist;
 681                 union recv_frame *prframe;
 682                 _queue *ppending_recvframe_queue;
 683                 _queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
 684
 685                 preorder_ctrl = &psta->recvreorder_ctrl[i];
 686
 687                 _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
 688
 689
 690                 ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
 691
 692                 _enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
 693
 694                 phead = get_list_head(ppending_recvframe_queue);
 695                 plist = get_next(phead);
 696
 697                 while (!rtw_is_list_empty(phead)) {
 698                         prframe = LIST_CONTAINOR(plist, union recv_frame, u);
 699
 700                         plist = get_next(plist);
 701
 702                         rtw_list_delete(&(prframe->u.hdr.list));
 703
 704                         rtw_free_recvframe(prframe, pfree_recv_queue);
 705                 }
 706
 707                 _exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
 708
 709         }
 710
 711         if (!((psta->state & WIFI_AP_STATE) || MacAddr_isBcst(psta->hwaddr)) && is_pre_link_sta == _FALSE)
 712                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
 713
 714
 715         /* release mac id for non-bc/mc station, */
 716         if (is_pre_link_sta == _FALSE)
 717                 rtw_release_macid(pstapriv->padapter, psta);
 718
 719 #ifdef CONFIG_AP_MODE
 720
 721         /*
 722                 _enter_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
 723                 rtw_list_delete(&psta->asoc_list);
 724                 _exit_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
 725         */
 726         _enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
 727         if (!rtw_is_list_empty(&psta->auth_list)) {
 728                 rtw_list_delete(&psta->auth_list);
 729                 pstapriv->auth_list_cnt--;
 730         }
 731         _exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
 732
 733         psta->expire_to = 0;
 734 #ifdef CONFIG_ATMEL_RC_PATCH
 735         psta->flag_atmel_rc = 0;
 736 #endif
 737         psta->sleepq_ac_len = 0;
 738         psta->qos_info = 0;
 739
 740         psta->max_sp_len = 0;
 741         psta->uapsd_bk = 0;
 742         psta->uapsd_be = 0;
 743         psta->uapsd_vi = 0;
 744         psta->uapsd_vo = 0;
 745
 746         psta->has_legacy_ac = 0;
 747
 748 #ifdef CONFIG_NATIVEAP_MLME
 749
 750         pstapriv->sta_dz_bitmap &= ~BIT(psta->aid);
 751         pstapriv->tim_bitmap &= ~BIT(psta->aid);
 752
 753         /* rtw_indicate_sta_disassoc_event(padapter, psta); */
 754
 755         if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
 756                 pstapriv->sta_aid[psta->aid - 1] = NULL;
 757                 psta->aid = 0;
 758         }
 759
 760 #endif /* CONFIG_NATIVEAP_MLME   */
 761
 762 #ifdef CONFIG_TX_MCAST2UNI
 763         psta->under_exist_checking = 0;
 764 #endif /* CONFIG_TX_MCAST2UNI */
 765
 766 #endif /* CONFIG_AP_MODE         */
 767
 768         rtw_st_ctl_deinit(&psta->st_ctl);
 769
 770         if (is_pre_link_sta == _FALSE) {
 771                 _rtw_spinlock_free(&psta->lock);
 772
 773                 /* _enter_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
 774                 _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 775                 rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
 776                 _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
 777                 /* _exit_critical_bh(&(pfree_sta_queue->lock), &irqL0); */
 778         }
 779
 780 exit:
 781         return _SUCCESS;
 782 }
 783
 784 /* free all stainfo which in sta_hash[all] */
 785 void rtw_free_all_stainfo(_adapter *padapter)
 786 {
 787         _irqL    irqL;
 788         _list   *plist, *phead;
 789         s32     index;
 790         struct sta_info *psta = NULL;
 791         struct  sta_priv *pstapriv = &padapter->stapriv;
 792         struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo(padapter);
 793         u8 free_sta_num = 0;
 794         char free_sta_list[NUM_STA];
 795         int stainfo_offset;
 796
 797
 798         if (pstapriv->asoc_sta_count == 1)
 799                 goto exit;
 800
 801         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 802
 803         for (index = 0; index < NUM_STA; index++) {
 804                 phead = &(pstapriv->sta_hash[index]);
 805                 plist = get_next(phead);
 806
 807                 while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 808                         psta = LIST_CONTAINOR(plist, struct sta_info , hash_list);
 809
 810                         plist = get_next(plist);
 811
 812                         if (pbcmc_stainfo != psta) {
 813                                 if (rtw_is_pre_link_sta(pstapriv, psta->hwaddr) == _FALSE)
 814                                         rtw_list_delete(&psta->hash_list);
 815
 816                                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
 817                                 if (stainfo_offset_valid(stainfo_offset))
 818                                         free_sta_list[free_sta_num++] = stainfo_offset;
 819                         }
 820
 821                 }
 822         }
 823
 824         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 825
 826
 827         for (index = 0; index < free_sta_num; index++) {
 828                 psta = rtw_get_stainfo_by_offset(pstapriv, free_sta_list[index]);
 829                 rtw_free_stainfo(padapter , psta);
 830         }
 831
 832 exit:
 833         return;
 834 }
 835
 836 /* any station allocated can be searched by hash list */
 837 struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
 838 {
 839
 840         _irqL    irqL;
 841
 842         _list   *plist, *phead;
 843
 844         struct sta_info *psta = NULL;
 845
 846         u32     index;
 847
 848         u8 *addr;
 849
 850         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 851
 852
 853         if (hwaddr == NULL)
 854                 return NULL;
 855
 856         if (IS_MCAST(hwaddr))
 857                 addr = bc_addr;
 858         else
 859                 addr = hwaddr;
 860
 861         index = wifi_mac_hash(addr);
 862
 863         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 864
 865         phead = &(pstapriv->sta_hash[index]);
 866         plist = get_next(phead);
 867
 868
 869         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE) {
 870
 871                 psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
 872
 873                 if ((_rtw_memcmp(psta->hwaddr, addr, ETH_ALEN)) == _TRUE) {
 874                         /* if found the matched address */
 875                         break;
 876                 }
 877                 psta = NULL;
 878                 plist = get_next(plist);
 879         }
 880
 881         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
 882         return psta;
 883
 884 }
 885
 886 u32 rtw_init_bcmc_stainfo(_adapter *padapter)
 887 {
 888
 889         struct sta_info *psta;
 890         struct tx_servq *ptxservq;
 891         u32 res = _SUCCESS;
 892         NDIS_802_11_MAC_ADDRESS bcast_addr = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 893
 894         struct  sta_priv *pstapriv = &padapter->stapriv;
 895         /* _queue       *pstapending = &padapter->xmitpriv.bm_pending; */
 896
 897
 898         psta = rtw_alloc_stainfo(pstapriv, bcast_addr);
 899
 900         if (psta == NULL) {
 901                 res = _FAIL;
 902                 goto exit;
 903         }
 904 #ifdef CONFIG_BEAMFORMING
 905         psta->txbf_gid = 63;
 906         psta->txbf_paid = 0;
 907 #endif
 908         ptxservq = &(psta->sta_xmitpriv.be_q);
 909
 910         /*
 911                 _enter_critical(&pstapending->lock, &irqL0);
 912
 913                 if (rtw_is_list_empty(&ptxservq->tx_pending))
 914                         rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(pstapending));
 915
 916                 _exit_critical(&pstapending->lock, &irqL0);
 917         */
 918
 919 exit:
 920         return _SUCCESS;
 921
 922 }
 923
 924
 925 struct sta_info *rtw_get_bcmc_stainfo(_adapter *padapter)
 926 {
 927         struct sta_info *psta;
 928         struct sta_priv *pstapriv = &padapter->stapriv;
 929         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 930         psta = rtw_get_stainfo(pstapriv, bc_addr);
 931         return psta;
 932
 933 }
 934
 935 #if CONFIG_RTW_MACADDR_ACL
 936 const char *const _acl_mode_str[] = {
 937         "DISABLED",
 938         "ACCEPT_UNLESS_LISTED",
 939         "DENY_UNLESS_LISTED",
 940 };
 941
 942 u8 rtw_access_ctrl(_adapter *adapter, u8 *mac_addr)
 943 {
 944         u8 res = _TRUE;
 945         _irqL irqL;
 946         _list *list, *head;
 947         struct rtw_wlan_acl_node *acl_node;
 948         u8 match = _FALSE;
 949         struct sta_priv *stapriv = &adapter->stapriv;
 950         struct wlan_acl_pool *acl = &stapriv->acl_list;
 951         _queue  *acl_node_q = &acl->acl_node_q;
 952
 953         _enter_critical_bh(&(acl_node_q->lock), &irqL);
 954         head = get_list_head(acl_node_q);
 955         list = get_next(head);
 956         while (rtw_end_of_queue_search(head, list) == _FALSE) {
 957                 acl_node = LIST_CONTAINOR(list, struct rtw_wlan_acl_node, list);
 958                 list = get_next(list);
 959
 960                 if (_rtw_memcmp(acl_node->addr, mac_addr, ETH_ALEN)) {
 961                         if (acl_node->valid == _TRUE) {
 962                                 match = _TRUE;
 963                                 break;
 964                         }
 965                 }
 966         }
 967         _exit_critical_bh(&(acl_node_q->lock), &irqL);
 968
 969         if (acl->mode == RTW_ACL_MODE_ACCEPT_UNLESS_LISTED)
 970                 res = (match == _TRUE) ?  _FALSE : _TRUE;
 971         else if (acl->mode == RTW_ACL_MODE_DENY_UNLESS_LISTED)
 972                 res = (match == _TRUE) ?  _TRUE : _FALSE;
 973         else
 974                 res = _TRUE;
 975
 976         return res;
 977 }
 978
 979 void dump_macaddr_acl(void *sel, _adapter *adapter)
 980 {
 981         struct sta_priv *stapriv = &adapter->stapriv;
 982         struct wlan_acl_pool *acl = &stapriv->acl_list;
 983         int i;
 984
 985         RTW_PRINT_SEL(sel, "mode:%s(%d)\n", acl_mode_str(acl->mode), acl->mode);
 986         RTW_PRINT_SEL(sel, "num:%d/%d\n", acl->num, NUM_ACL);
 987         for (i = 0; i < NUM_ACL; i++) {
 988                 if (acl->aclnode[i].valid == _FALSE)
 989                         continue;
 990                 RTW_PRINT_SEL(sel, MAC_FMT"\n", MAC_ARG(acl->aclnode[i].addr));
 991         }
 992 }
 993 #endif /* CONFIG_RTW_MACADDR_ACL */
 994
 995 bool rtw_is_pre_link_sta(struct sta_priv *stapriv, u8 *addr)
 996 {
 997 #if CONFIG_RTW_PRE_LINK_STA
 998         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
 999         struct sta_info *sta = NULL;
1000         u8 exist = _FALSE;
1001         int i;
1002         _irqL irqL;
1003
1004         _enter_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1005         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++) {
1006                 if (pre_link_sta_ctl->node[i].valid == _TRUE
1007                         && _rtw_memcmp(pre_link_sta_ctl->node[i].addr, addr, ETH_ALEN) == _TRUE
1008                 ) {
1009                         exist = _TRUE;
1010                         break;
1011                 }
1012         }
1013         _exit_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1014
1015         return exist;
1016 #else
1017         return _FALSE;
1018 #endif
1019 }
1020
1021 #if CONFIG_RTW_PRE_LINK_STA
1022 struct sta_info *rtw_pre_link_sta_add(struct sta_priv *stapriv, u8 *hwaddr)
1023 {
1024         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1025         struct pre_link_sta_node_t *node = NULL;
1026         struct sta_info *sta = NULL;
1027         u8 exist = _FALSE;
1028         int i;
1029         _irqL irqL;
1030
1031         if (rtw_check_invalid_mac_address(hwaddr, _FALSE) == _TRUE)
1032                 goto exit;
1033
1034         _enter_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1035         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++) {
1036                 if (pre_link_sta_ctl->node[i].valid == _TRUE
1037                         && _rtw_memcmp(pre_link_sta_ctl->node[i].addr, hwaddr, ETH_ALEN) == _TRUE
1038                 ) {
1039                         node = &pre_link_sta_ctl->node[i];
1040                         exist = _TRUE;
1041                         break;
1042                 }
1043
1044                 if (node == NULL && pre_link_sta_ctl->node[i].valid == _FALSE)
1045                         node = &pre_link_sta_ctl->node[i];
1046         }
1047
1048         if (exist == _FALSE && node) {
1049                 _rtw_memcpy(node->addr, hwaddr, ETH_ALEN);
1050                 node->valid = _TRUE;
1051                 pre_link_sta_ctl->num++;
1052         }
1053         _exit_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1054
1055         if (node == NULL)
1056                 goto exit;
1057
1058         sta = rtw_get_stainfo(stapriv, hwaddr);
1059         if (sta)
1060                 goto odm_hook;
1061
1062         sta = rtw_alloc_stainfo(stapriv, hwaddr);
1063         if (!sta)
1064                 goto exit;
1065
1066         sta->state = WIFI_FW_PRE_LINK;
1067
1068 odm_hook:
1069         rtw_hal_set_odm_var(stapriv->padapter, HAL_ODM_STA_INFO, sta, _TRUE);
1070
1071 exit:
1072         return sta;
1073 }
1074
1075 void rtw_pre_link_sta_del(struct sta_priv *stapriv, u8 *hwaddr)
1076 {
1077         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1078         struct pre_link_sta_node_t *node = NULL;
1079         struct sta_info *sta = NULL;
1080         u8 exist = _FALSE;
1081         int i;
1082         _irqL irqL;
1083
1084         if (rtw_check_invalid_mac_address(hwaddr, _FALSE) == _TRUE)
1085                 goto exit;
1086
1087         _enter_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1088         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++) {
1089                 if (pre_link_sta_ctl->node[i].valid == _TRUE
1090                         && _rtw_memcmp(pre_link_sta_ctl->node[i].addr, hwaddr, ETH_ALEN) == _TRUE
1091                 ) {
1092                         node = &pre_link_sta_ctl->node[i];
1093                         exist = _TRUE;
1094                         break;
1095                 }
1096         }
1097
1098         if (exist == _TRUE && node) {
1099                 node->valid = _FALSE;
1100                 pre_link_sta_ctl->num--;
1101         }
1102         _exit_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1103
1104         if (exist == _FALSE)
1105                 goto exit;
1106
1107         sta = rtw_get_stainfo(stapriv, hwaddr);
1108         if (!sta)
1109                 goto exit;
1110
1111         if (sta->state == WIFI_FW_PRE_LINK)
1112                 rtw_free_stainfo(stapriv->padapter, sta);
1113
1114 exit:
1115         return;
1116 }
1117
1118 void rtw_pre_link_sta_ctl_reset(struct sta_priv *stapriv)
1119 {
1120         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1121         struct pre_link_sta_node_t *node = NULL;
1122         struct sta_info *sta = NULL;
1123         int i, j = 0;
1124         _irqL irqL;
1125
1126         u8 addrs[RTW_PRE_LINK_STA_NUM][ETH_ALEN];
1127
1128         _rtw_memset(addrs, 0, RTW_PRE_LINK_STA_NUM * ETH_ALEN);
1129
1130         _enter_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1131         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++) {
1132                 if (pre_link_sta_ctl->node[i].valid == _FALSE)
1133                         continue;
1134                 _rtw_memcpy(&(addrs[j][0]), pre_link_sta_ctl->node[i].addr, ETH_ALEN);
1135                 pre_link_sta_ctl->node[i].valid = _FALSE;
1136                 pre_link_sta_ctl->num--;
1137                 j++;
1138         }
1139         _exit_critical_bh(&(pre_link_sta_ctl->lock), &irqL);
1140
1141         for (i = 0; i < j; i++) {
1142                 sta = rtw_get_stainfo(stapriv, &(addrs[i][0]));
1143                 if (!sta)
1144                         continue;
1145
1146                 if (sta->state == WIFI_FW_PRE_LINK)
1147                         rtw_free_stainfo(stapriv->padapter, sta);
1148         }
1149 }
1150
1151 void rtw_pre_link_sta_ctl_init(struct sta_priv *stapriv)
1152 {
1153         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1154         int i;
1155
1156         _rtw_spinlock_init(&pre_link_sta_ctl->lock);
1157         pre_link_sta_ctl->num = 0;
1158         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++)
1159                 pre_link_sta_ctl->node[i].valid = _FALSE;
1160 }
1161
1162 void rtw_pre_link_sta_ctl_deinit(struct sta_priv *stapriv)
1163 {
1164         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1165         int i;
1166
1167         rtw_pre_link_sta_ctl_reset(stapriv);
1168
1169         _rtw_spinlock_free(&pre_link_sta_ctl->lock);
1170 }
1171
1172 void dump_pre_link_sta_ctl(void *sel, struct sta_priv *stapriv)
1173 {
1174         struct pre_link_sta_ctl_t *pre_link_sta_ctl = &stapriv->pre_link_sta_ctl;
1175         int i;
1176
1177         RTW_PRINT_SEL(sel, "num:%d/%d\n", pre_link_sta_ctl->num, RTW_PRE_LINK_STA_NUM);
1178
1179         for (i = 0; i < RTW_PRE_LINK_STA_NUM; i++) {
1180                 if (pre_link_sta_ctl->node[i].valid == _FALSE)
1181                         continue;
1182                 RTW_PRINT_SEL(sel, MAC_FMT"\n", MAC_ARG(pre_link_sta_ctl->node[i].addr));
1183         }
1184 }
1185 #endif /* CONFIG_RTW_PRE_LINK_STA */
1186