f17b2a2dc475e6e22e3ef859f71f741537f14bfe
[firefly-linux-kernel-4.4.55.git] / drivers / net / wireless / rockchip_wlan / rtl8723bs / 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 void _rtw_init_stainfo(struct sta_info *psta);
32 void _rtw_init_stainfo(struct sta_info *psta)
33 {
34
35 _func_enter_;
36
37         _rtw_memset((u8 *)psta, 0, sizeof (struct sta_info));
38
39          _rtw_spinlock_init(&psta->lock);
40         _rtw_init_listhead(&psta->list);
41         _rtw_init_listhead(&psta->hash_list);
42         //_rtw_init_listhead(&psta->asoc_list);
43         //_rtw_init_listhead(&psta->sleep_list);
44         //_rtw_init_listhead(&psta->wakeup_list);       
45
46         _rtw_init_queue(&psta->sleep_q);
47         psta->sleepq_len = 0;
48
49         _rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
50         _rtw_init_sta_recv_priv(&psta->sta_recvpriv);
51         
52 #ifdef CONFIG_AP_MODE
53
54         _rtw_init_listhead(&psta->asoc_list);
55
56         _rtw_init_listhead(&psta->auth_list);
57         
58         psta->expire_to = 0;
59         
60         psta->flags = 0;
61         
62         psta->capability = 0;
63
64         psta->bpairwise_key_installed = _FALSE;
65
66
67 #ifdef CONFIG_NATIVEAP_MLME
68         psta->nonerp_set = 0;
69         psta->no_short_slot_time_set = 0;
70         psta->no_short_preamble_set = 0;
71         psta->no_ht_gf_set = 0;
72         psta->no_ht_set = 0;
73         psta->ht_20mhz_set = 0;
74 #endif  
75
76 #ifdef CONFIG_TX_MCAST2UNI
77         psta->under_exist_checking = 0;
78 #endif  // CONFIG_TX_MCAST2UNI
79         
80         psta->keep_alive_trycnt = 0;
81
82 #endif  // CONFIG_AP_MODE       
83         
84 _func_exit_;    
85
86 }
87
88 u32     _rtw_init_sta_priv(struct       sta_priv *pstapriv)
89 {
90         struct sta_info *psta;
91         s32 i;
92
93 _func_enter_;   
94
95         pstapriv->pallocated_stainfo_buf = rtw_zvmalloc (sizeof(struct sta_info) * NUM_STA+ 4);
96         
97         if(!pstapriv->pallocated_stainfo_buf)
98                 return _FAIL;
99
100         pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 - 
101                 ((SIZE_PTR)(pstapriv->pallocated_stainfo_buf ) & 3);
102
103         _rtw_init_queue(&pstapriv->free_sta_queue);
104
105         _rtw_spinlock_init(&pstapriv->sta_hash_lock);
106         
107         //_rtw_init_queue(&pstapriv->asoc_q);
108         pstapriv->asoc_sta_count = 0;
109         _rtw_init_queue(&pstapriv->sleep_q);
110         _rtw_init_queue(&pstapriv->wakeup_q);
111
112         psta = (struct sta_info *)(pstapriv->pstainfo_buf);
113
114                 
115         for(i = 0; i < NUM_STA; i++)
116         {
117                 _rtw_init_stainfo(psta);
118
119                 _rtw_init_listhead(&(pstapriv->sta_hash[i]));
120
121                 rtw_list_insert_tail(&psta->list, get_list_head(&pstapriv->free_sta_queue));
122
123                 psta++;
124         }
125
126         
127
128 #ifdef CONFIG_AP_MODE
129
130         pstapriv->sta_dz_bitmap = 0;
131         pstapriv->tim_bitmap = 0;
132
133         _rtw_init_listhead(&pstapriv->asoc_list);
134         _rtw_init_listhead(&pstapriv->auth_list);
135         _rtw_spinlock_init(&pstapriv->asoc_list_lock);
136         _rtw_spinlock_init(&pstapriv->auth_list_lock);
137         pstapriv->asoc_list_cnt = 0;
138         pstapriv->auth_list_cnt = 0;
139
140         pstapriv->auth_to = 3; // 3*2 = 6 sec 
141         pstapriv->assoc_to = 3;
142         //pstapriv->expire_to = 900;// 900*2 = 1800 sec = 30 min, expire after no any traffic.
143         //pstapriv->expire_to = 30;// 30*2 = 60 sec = 1 min, expire after no any traffic.
144 #ifdef CONFIG_ACTIVE_KEEP_ALIVE_CHECK
145         pstapriv->expire_to = 3; // 3*2 = 6 sec
146 #else
147         pstapriv->expire_to = 60;// 60*2 = 120 sec = 2 min, expire after no any traffic.
148 #endif  
149 #ifdef CONFIG_ATMEL_RC_PATCH
150         _rtw_memset(  pstapriv->atmel_rc_pattern, 0, ETH_ALEN);
151 #endif  
152         pstapriv->max_num_sta = NUM_STA;
153                 
154 #endif
155         
156 _func_exit_;            
157
158         return _SUCCESS;
159         
160 }
161
162 inline int rtw_stainfo_offset(struct sta_priv *stapriv, struct sta_info *sta)
163 {
164         int offset = (((u8 *)sta) - stapriv->pstainfo_buf)/sizeof(struct sta_info);
165
166         if (!stainfo_offset_valid(offset))
167                 DBG_871X("%s invalid offset(%d), out of range!!!", __func__, offset);
168
169         return offset;
170 }
171
172 inline struct sta_info *rtw_get_stainfo_by_offset(struct sta_priv *stapriv, int offset)
173 {
174         if (!stainfo_offset_valid(offset))
175                 DBG_871X("%s invalid offset(%d), out of range!!!", __func__, offset);
176
177         return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info));
178 }
179
180 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv);
181 void    _rtw_free_sta_xmit_priv_lock(struct sta_xmit_priv *psta_xmitpriv)
182 {
183 _func_enter_;
184
185         _rtw_spinlock_free(&psta_xmitpriv->lock);
186
187         _rtw_spinlock_free(&(psta_xmitpriv->be_q.sta_pending.lock));
188         _rtw_spinlock_free(&(psta_xmitpriv->bk_q.sta_pending.lock));
189         _rtw_spinlock_free(&(psta_xmitpriv->vi_q.sta_pending.lock));
190         _rtw_spinlock_free(&(psta_xmitpriv->vo_q.sta_pending.lock));
191 _func_exit_;    
192 }
193
194 static void     _rtw_free_sta_recv_priv_lock(struct sta_recv_priv *psta_recvpriv)
195 {
196 _func_enter_;   
197
198         _rtw_spinlock_free(&psta_recvpriv->lock);
199
200         _rtw_spinlock_free(&(psta_recvpriv->defrag_q.lock));
201
202 _func_exit_;
203
204 }
205
206 void rtw_mfree_stainfo(struct sta_info *psta);
207 void rtw_mfree_stainfo(struct sta_info *psta)
208 {
209 _func_enter_;
210
211         if(&psta->lock != NULL)
212                  _rtw_spinlock_free(&psta->lock);
213
214         _rtw_free_sta_xmit_priv_lock(&psta->sta_xmitpriv);
215         _rtw_free_sta_recv_priv_lock(&psta->sta_recvpriv);
216         
217 _func_exit_;    
218 }
219
220
221 // this function is used to free the memory of lock || sema for all stainfos
222 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv );
223 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv )
224 {
225         _irqL    irqL;
226         _list   *plist, *phead;
227         struct sta_info *psta = NULL;
228         
229 _func_enter_;   
230
231         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
232
233         phead = get_list_head(&pstapriv->free_sta_queue);
234         plist = get_next(phead);
235                 
236         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
237         {
238                 psta = LIST_CONTAINOR(plist, struct sta_info ,list);
239                 plist = get_next(plist);
240
241                 rtw_mfree_stainfo(psta);
242         }
243         
244         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
245
246 _func_exit_;    
247
248 }
249
250 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv);
251 void rtw_mfree_sta_priv_lock(struct     sta_priv *pstapriv)
252 {
253 #ifdef CONFIG_AP_MODE
254         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
255 #endif
256
257          rtw_mfree_all_stainfo(pstapriv); //be done before free sta_hash_lock
258
259         _rtw_spinlock_free(&pstapriv->free_sta_queue.lock);
260
261         _rtw_spinlock_free(&pstapriv->sta_hash_lock);
262         _rtw_spinlock_free(&pstapriv->wakeup_q.lock);
263         _rtw_spinlock_free(&pstapriv->sleep_q.lock);
264
265 #ifdef CONFIG_AP_MODE
266         _rtw_spinlock_free(&pstapriv->asoc_list_lock);
267         _rtw_spinlock_free(&pstapriv->auth_list_lock);
268         _rtw_spinlock_free(&pacl_list->acl_node_q.lock);
269 #endif
270
271 }
272
273 u32     _rtw_free_sta_priv(struct       sta_priv *pstapriv)
274 {
275         _irqL   irqL;
276         _list   *phead, *plist;
277         struct sta_info *psta = NULL;
278         struct recv_reorder_ctrl *preorder_ctrl;
279         int     index;
280
281 _func_enter_;
282         if(pstapriv){
283
284                 /*      delete all reordering_ctrl_timer                */ 
285                 _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
286                 for(index = 0; index < NUM_STA; index++)
287                 {
288                         phead = &(pstapriv->sta_hash[index]);
289                         plist = get_next(phead);
290                         
291                         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
292                         {
293                                 int i;  
294                                 psta = LIST_CONTAINOR(plist, struct sta_info ,hash_list);
295                                 plist = get_next(plist);
296
297                                 for(i=0; i < 16 ; i++)
298                                 {
299                                         preorder_ctrl = &psta->recvreorder_ctrl[i];
300                                         _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);        
301                                 }
302                         }
303                 }
304                 _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
305                 /*===============================*/
306                 
307                 rtw_mfree_sta_priv_lock(pstapriv);
308
309                 if(pstapriv->pallocated_stainfo_buf) {
310                         rtw_vmfree(pstapriv->pallocated_stainfo_buf, sizeof(struct sta_info)*NUM_STA+4);
311                 }
312         }
313         
314 _func_exit_;
315         return _SUCCESS;
316 }
317
318
319 //struct        sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr)
320 struct  sta_info *rtw_alloc_stainfo(struct      sta_priv *pstapriv, u8 *hwaddr) 
321 {       
322         _irqL irqL, irqL2;
323         uint tmp_aid;
324         s32     index;
325         _list   *phash_list;
326         struct sta_info *psta;
327         _queue *pfree_sta_queue;
328         struct recv_reorder_ctrl *preorder_ctrl;
329         int i = 0;
330         u16  wRxSeqInitialValue = 0xffff;
331         
332 _func_enter_;   
333
334         pfree_sta_queue = &pstapriv->free_sta_queue;
335
336         //_enter_critical_bh(&(pfree_sta_queue->lock), &irqL);
337         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
338         if (_rtw_queue_empty(pfree_sta_queue) == _TRUE)
339         {
340                 //_exit_critical_bh(&(pfree_sta_queue->lock), &irqL);
341                 _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
342                 psta = NULL;
343         }
344         else
345         {
346                 psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list);
347                 
348                 rtw_list_delete(&(psta->list));
349
350                 //_exit_critical_bh(&(pfree_sta_queue->lock), &irqL);
351                 
352                 tmp_aid = psta->aid;    
353         
354                 _rtw_init_stainfo(psta);
355
356                 psta->padapter = pstapriv->padapter;
357
358                 _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
359
360                 index = wifi_mac_hash(hwaddr);
361
362                 RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("rtw_alloc_stainfo: index  = %x", index));
363
364                 if(index >= NUM_STA){
365                         RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("ERROR=> rtw_alloc_stainfo: index >= NUM_STA"));
366                         psta= NULL;     
367                         goto exit;
368                 }
369                 phash_list = &(pstapriv->sta_hash[index]);
370
371                 //_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
372
373                 rtw_list_insert_tail(&psta->hash_list, phash_list);
374
375                 pstapriv->asoc_sta_count ++ ;
376
377                 //_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
378
379 // Commented by Albert 2009/08/13
380 // For the SMC router, the sequence number of first packet of WPS handshake will be 0.
381 // 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.
382 // So, we initialize the tid_rxseq variable as the 0xffff.
383
384                 for( i = 0; i < 16; i++ )
385                 {
386                      _rtw_memcpy( &psta->sta_recvpriv.rxcache.tid_rxseq[ i ], &wRxSeqInitialValue, 2 );
387                 }
388
389                 RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("alloc number_%d stainfo  with hwaddr = %x %x %x %x %x %x  \n", 
390                 pstapriv->asoc_sta_count , hwaddr[0], hwaddr[1], hwaddr[2],hwaddr[3],hwaddr[4],hwaddr[5]));
391
392                 init_addba_retry_timer(pstapriv->padapter, psta);
393
394 #ifdef CONFIG_TDLS
395                 rtw_init_tdls_timer(pstapriv->padapter, psta);
396 #endif //CONFIG_TDLS
397
398                 //for A-MPDU Rx reordering buffer control
399                 for(i=0; i < 16 ; i++)
400                 {
401                         preorder_ctrl = &psta->recvreorder_ctrl[i];
402
403                         preorder_ctrl->padapter = pstapriv->padapter;
404                 
405                         preorder_ctrl->enable = _FALSE;
406                 
407                         preorder_ctrl->indicate_seq = 0xffff;
408                         #ifdef DBG_RX_SEQ
409                         DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d\n", __FUNCTION__, __LINE__,
410                                 preorder_ctrl->indicate_seq);
411                         #endif
412                         preorder_ctrl->wend_b= 0xffff;       
413                         //preorder_ctrl->wsize_b = (NR_RECVBUFF-2);
414                         preorder_ctrl->wsize_b = 64;//64;
415
416                         _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue);
417
418                         rtw_init_recv_timer(preorder_ctrl);
419                 }
420
421
422                 //init for DM
423                 psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
424                 psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
425 #ifdef CONFIG_ATMEL_RC_PATCH
426                 psta->flag_atmel_rc = 0;
427 #endif
428                 /* init for the sequence number of received management frame */
429                 psta->RxMgmtFrameSeqNum = 0xffff;
430
431                 //alloc mac id for non-bc/mc station,
432                 rtw_alloc_macid(pstapriv->padapter, psta);
433
434         }
435         
436 exit:
437
438         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2);
439
440 _func_exit_;
441
442         return psta;
443
444
445 }
446
447
448 // using pstapriv->sta_hash_lock to protect
449 u32     rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
450 {       
451         int i;
452         _irqL irqL0;
453         _queue *pfree_sta_queue;
454         struct recv_reorder_ctrl *preorder_ctrl;
455         struct  sta_xmit_priv   *pstaxmitpriv;
456         struct  xmit_priv       *pxmitpriv= &padapter->xmitpriv;
457         struct  sta_priv *pstapriv = &padapter->stapriv;
458         struct hw_xmit *phwxmit;
459         int pending_qcnt[4];
460
461 _func_enter_;   
462         
463         if (psta == NULL)
464                 goto exit;
465
466         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
467         rtw_list_delete(&psta->hash_list);
468         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], psta->hwaddr[1], psta->hwaddr[2],psta->hwaddr[3],psta->hwaddr[4],psta->hwaddr[5]));
469         pstapriv->asoc_sta_count --;
470         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
471
472
473         _enter_critical_bh(&psta->lock, &irqL0);
474         psta->state &= ~_FW_LINKED;
475         _exit_critical_bh(&psta->lock, &irqL0);
476
477         pfree_sta_queue = &pstapriv->free_sta_queue;
478
479
480         pstaxmitpriv = &psta->sta_xmitpriv;
481         
482         //rtw_list_delete(&psta->sleep_list);
483         
484         //rtw_list_delete(&psta->wakeup_list);
485         
486         _enter_critical_bh(&pxmitpriv->lock, &irqL0);
487         
488         rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
489         psta->sleepq_len = 0;
490         
491         //vo
492         //_enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
493         rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
494         rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
495         phwxmit = pxmitpriv->hwxmits;
496         phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
497         pending_qcnt[0] = pstaxmitpriv->vo_q.qcnt;
498         pstaxmitpriv->vo_q.qcnt = 0;
499         //_exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
500
501         //vi
502         //_enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
503         rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
504         rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
505         phwxmit = pxmitpriv->hwxmits+1;
506         phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
507         pending_qcnt[1] = pstaxmitpriv->vi_q.qcnt;
508         pstaxmitpriv->vi_q.qcnt = 0;
509         //_exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
510
511         //be
512         //_enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
513         rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
514         rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
515         phwxmit = pxmitpriv->hwxmits+2;
516         phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
517         pending_qcnt[2] = pstaxmitpriv->be_q.qcnt;
518         pstaxmitpriv->be_q.qcnt = 0;
519         //_exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
520         
521         //bk
522         //_enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
523         rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
524         rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
525         phwxmit = pxmitpriv->hwxmits+3;
526         phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
527         pending_qcnt[3] = pstaxmitpriv->bk_q.qcnt;
528         pstaxmitpriv->bk_q.qcnt = 0;
529         //_exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
530
531         rtw_os_wake_queue_at_free_stainfo(padapter, pending_qcnt);
532
533         _exit_critical_bh(&pxmitpriv->lock, &irqL0);
534         
535         
536         // re-init sta_info; 20061114 // will be init in alloc_stainfo
537         //_rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
538         //_rtw_init_sta_recv_priv(&psta->sta_recvpriv);
539
540         _cancel_timer_ex(&psta->addba_retry_timer);
541
542 #ifdef CONFIG_TDLS
543         rtw_free_tdls_timer(psta);
544 #endif //CONFIG_TDLS
545
546         //for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer
547         for(i=0; i < 16 ; i++)
548         {
549                 _irqL irqL;
550                 _list   *phead, *plist;
551                 union recv_frame *prframe;
552                 _queue *ppending_recvframe_queue;
553                 _queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
554         
555                 preorder_ctrl = &psta->recvreorder_ctrl[i];
556                 
557                 _cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);                
558
559                 
560                 ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
561
562                 _enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
563
564                 phead =         get_list_head(ppending_recvframe_queue);
565                 plist = get_next(phead);
566                 
567                 while(!rtw_is_list_empty(phead))
568                 {       
569                         prframe = LIST_CONTAINOR(plist, union recv_frame, u);
570                         
571                         plist = get_next(plist);
572                         
573                         rtw_list_delete(&(prframe->u.hdr.list));
574
575                         rtw_free_recvframe(prframe, pfree_recv_queue);
576                 }
577
578                 _exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
579                 
580         }
581
582         if (!(psta->state & WIFI_AP_STATE))
583                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
584                         
585
586         //release mac id for non-bc/mc station,
587         rtw_release_macid(pstapriv->padapter, psta);
588
589 #ifdef CONFIG_AP_MODE
590
591 /*
592         _enter_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
593         rtw_list_delete(&psta->asoc_list);      
594         _exit_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
595 */
596         _enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
597         if (!rtw_is_list_empty(&psta->auth_list)) {
598                 rtw_list_delete(&psta->auth_list);
599                 pstapriv->auth_list_cnt--;
600         }
601         _exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
602         
603         psta->expire_to = 0;
604 #ifdef CONFIG_ATMEL_RC_PATCH
605         psta->flag_atmel_rc = 0;
606 #endif
607         psta->sleepq_ac_len = 0;
608         psta->qos_info = 0;
609
610         psta->max_sp_len = 0;
611         psta->uapsd_bk = 0;
612         psta->uapsd_be = 0;
613         psta->uapsd_vi = 0;
614         psta->uapsd_vo = 0;
615
616         psta->has_legacy_ac = 0;
617
618 #ifdef CONFIG_NATIVEAP_MLME
619         
620         pstapriv->sta_dz_bitmap &=~BIT(psta->aid);
621         pstapriv->tim_bitmap &=~BIT(psta->aid); 
622
623         //rtw_indicate_sta_disassoc_event(padapter, psta);
624
625         if ((psta->aid >0)&&(pstapriv->sta_aid[psta->aid - 1] == psta))
626         {
627                 pstapriv->sta_aid[psta->aid - 1] = NULL;
628                 psta->aid = 0;
629         }       
630         
631 #endif  // CONFIG_NATIVEAP_MLME 
632
633 #ifdef CONFIG_TX_MCAST2UNI
634         psta->under_exist_checking = 0;
635 #endif  // CONFIG_TX_MCAST2UNI
636
637 #endif  // CONFIG_AP_MODE       
638
639          _rtw_spinlock_free(&psta->lock);
640
641         //_enter_critical_bh(&(pfree_sta_queue->lock), &irqL0);
642         _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0); 
643         rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
644         _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
645         //_exit_critical_bh(&(pfree_sta_queue->lock), &irqL0);
646
647 exit:
648         
649 _func_exit_;    
650
651         return _SUCCESS;
652         
653 }
654
655 // free all stainfo which in sta_hash[all]
656 void rtw_free_all_stainfo(_adapter *padapter)
657 {
658         _irqL    irqL;
659         _list   *plist, *phead;
660         s32     index;
661         struct sta_info *psta = NULL;
662         struct  sta_priv *pstapriv = &padapter->stapriv;
663         struct sta_info* pbcmc_stainfo =rtw_get_bcmc_stainfo( padapter);
664         u8 free_sta_num = 0;
665         char free_sta_list[NUM_STA];
666         int stainfo_offset;
667         
668 _func_enter_;   
669
670         if(pstapriv->asoc_sta_count==1)
671                 goto exit;
672
673         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
674
675         for(index=0; index< NUM_STA; index++)
676         {
677                 phead = &(pstapriv->sta_hash[index]);
678                 plist = get_next(phead);
679                 
680                 while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
681                 {
682                         psta = LIST_CONTAINOR(plist, struct sta_info ,hash_list);
683
684                         plist = get_next(plist);
685
686                         if(pbcmc_stainfo!=psta)
687                         {
688                                 rtw_list_delete(&psta->hash_list);
689                                 //rtw_free_stainfo(padapter , psta);
690                                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
691                                 if (stainfo_offset_valid(stainfo_offset)) {
692                                         free_sta_list[free_sta_num++] = stainfo_offset;
693                                 }
694                         }       
695                         
696                 }
697         }
698         
699         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
700
701
702         for (index = 0; index < free_sta_num; index++) 
703         {
704                 psta = rtw_get_stainfo_by_offset(pstapriv, free_sta_list[index]);
705                 rtw_free_stainfo(padapter , psta);
706         }
707         
708 exit:   
709         
710 _func_exit_;    
711
712 }
713
714 /* any station allocated can be searched by hash list */
715 struct sta_info *rtw_get_stainfo(struct sta_priv *pstapriv, u8 *hwaddr)
716 {
717
718         _irqL    irqL;
719
720         _list   *plist, *phead;
721
722         struct sta_info *psta = NULL;
723         
724         u32     index;
725
726         u8 *addr;
727
728         u8 bc_addr[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
729
730 _func_enter_;
731
732         if(hwaddr==NULL)
733                 return NULL;
734                 
735         if(IS_MCAST(hwaddr))
736         {
737                 addr = bc_addr;
738         }
739         else
740         {
741                 addr = hwaddr;
742         }
743
744         index = wifi_mac_hash(addr);
745
746         _enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
747         
748         phead = &(pstapriv->sta_hash[index]);
749         plist = get_next(phead);
750
751
752         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
753         {
754         
755                 psta = LIST_CONTAINOR(plist, struct sta_info, hash_list);
756                 
757                 if ((_rtw_memcmp(psta->hwaddr, addr, ETH_ALEN))== _TRUE) 
758                 { // if found the matched address
759                         break;
760                 }
761                 psta=NULL;
762                 plist = get_next(plist);
763         }
764
765         _exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
766 _func_exit_;    
767         return psta;
768         
769 }
770
771 u32 rtw_init_bcmc_stainfo(_adapter* padapter)
772 {
773
774         struct sta_info         *psta;
775         struct tx_servq *ptxservq;
776         u32 res=_SUCCESS;
777         NDIS_802_11_MAC_ADDRESS bcast_addr= {0xff,0xff,0xff,0xff,0xff,0xff};
778         
779         struct  sta_priv *pstapriv = &padapter->stapriv;
780         //_queue        *pstapending = &padapter->xmitpriv.bm_pending; 
781         
782 _func_enter_;
783
784         psta = rtw_alloc_stainfo(pstapriv, bcast_addr);
785         
786         if(psta==NULL){
787                 res=_FAIL;
788                 RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("rtw_alloc_stainfo fail"));
789                 goto exit;
790         }
791
792         ptxservq= &(psta->sta_xmitpriv.be_q);
793
794 /*
795         _enter_critical(&pstapending->lock, &irqL0);
796
797         if (rtw_is_list_empty(&ptxservq->tx_pending))
798                 rtw_list_insert_tail(&ptxservq->tx_pending, get_list_head(pstapending));
799
800         _exit_critical(&pstapending->lock, &irqL0);
801 */
802         
803 exit:
804 _func_exit_;            
805         return _SUCCESS;
806
807 }
808
809
810 struct sta_info* rtw_get_bcmc_stainfo(_adapter* padapter)
811 {
812         struct sta_info         *psta;
813         struct sta_priv         *pstapriv = &padapter->stapriv;
814         u8 bc_addr[ETH_ALEN] = {0xff,0xff,0xff,0xff,0xff,0xff};
815 _func_enter_;
816          psta = rtw_get_stainfo(pstapriv, bc_addr);
817 _func_exit_;             
818         return psta;
819
820 }
821
822 u8 rtw_access_ctrl(_adapter *padapter, u8 *mac_addr)
823 {
824         u8 res = _TRUE;
825 #ifdef  CONFIG_AP_MODE
826         _irqL irqL;
827         _list   *plist, *phead;
828         struct rtw_wlan_acl_node *paclnode;
829         u8 match = _FALSE;
830         struct sta_priv *pstapriv = &padapter->stapriv;
831         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
832         _queue  *pacl_node_q =&pacl_list->acl_node_q;
833         
834         _enter_critical_bh(&(pacl_node_q->lock), &irqL);
835         phead = get_list_head(pacl_node_q);
836         plist = get_next(phead);                
837         while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
838         {
839                 paclnode = LIST_CONTAINOR(plist, struct rtw_wlan_acl_node, list);
840                 plist = get_next(plist);
841
842                 if(_rtw_memcmp(paclnode->addr, mac_addr, ETH_ALEN))
843                 {
844                         if(paclnode->valid == _TRUE)
845                         {
846                                 match = _TRUE;
847                                 break;
848                         }
849                 }               
850         }       
851         _exit_critical_bh(&(pacl_node_q->lock), &irqL);
852         
853
854         if(pacl_list->mode == 1)//accept unless in deny list
855         {
856                 res = (match == _TRUE) ?  _FALSE:_TRUE;
857         }       
858         else if(pacl_list->mode == 2)//deny unless in accept list
859         {
860                 res = (match == _TRUE) ?  _TRUE:_FALSE;
861         }
862         else
863         {
864                  res = _TRUE;
865         }               
866         
867 #endif
868
869         return res;
870
871 }
872