1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
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.
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
14 ******************************************************************************/
15 #define _RTW_STA_MGT_C_
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <recv_osdep.h>
20 #include <xmit_osdep.h>
21 #include <mlme_osdep.h>
24 void _rtw_init_stainfo(struct sta_info *psta)
26 memset((u8 *)psta, 0, sizeof (struct sta_info));
27 spin_lock_init(&psta->lock);
28 INIT_LIST_HEAD(&psta->list);
29 INIT_LIST_HEAD(&psta->hash_list);
30 _rtw_init_queue23a(&psta->sleep_q);
32 _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv);
33 _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv);
34 #ifdef CONFIG_8723AU_AP_MODE
35 INIT_LIST_HEAD(&psta->asoc_list);
36 INIT_LIST_HEAD(&psta->auth_list);
40 psta->bpairwise_key_installed = false;
42 psta->no_short_slot_time_set = 0;
43 psta->no_short_preamble_set = 0;
44 psta->no_ht_gf_set = 0;
46 psta->ht_20mhz_set = 0;
47 psta->keep_alive_trycnt = 0;
48 #endif /* CONFIG_8723AU_AP_MODE */
51 u32 _rtw_init_sta_priv23a(struct sta_priv *pstapriv)
53 struct sta_info *psta;
56 pstapriv->pallocated_stainfo_buf = rtw_zvmalloc(sizeof(struct sta_info) * NUM_STA+ 4);
58 if (!pstapriv->pallocated_stainfo_buf)
61 pstapriv->pstainfo_buf = pstapriv->pallocated_stainfo_buf + 4 -
62 ((unsigned long)(pstapriv->pallocated_stainfo_buf) & 3);
63 _rtw_init_queue23a(&pstapriv->free_sta_queue);
64 spin_lock_init(&pstapriv->sta_hash_lock);
65 pstapriv->asoc_sta_count = 0;
66 _rtw_init_queue23a(&pstapriv->sleep_q);
67 _rtw_init_queue23a(&pstapriv->wakeup_q);
68 psta = (struct sta_info *)(pstapriv->pstainfo_buf);
70 for (i = 0; i < NUM_STA; i++) {
71 _rtw_init_stainfo(psta);
72 INIT_LIST_HEAD(&pstapriv->sta_hash[i]);
73 list_add_tail(&psta->list, get_list_head(&pstapriv->free_sta_queue));
76 #ifdef CONFIG_8723AU_AP_MODE
77 pstapriv->sta_dz_bitmap = 0;
78 pstapriv->tim_bitmap = 0;
79 INIT_LIST_HEAD(&pstapriv->asoc_list);
80 INIT_LIST_HEAD(&pstapriv->auth_list);
81 spin_lock_init(&pstapriv->asoc_list_lock);
82 spin_lock_init(&pstapriv->auth_list_lock);
83 pstapriv->asoc_list_cnt = 0;
84 pstapriv->auth_list_cnt = 0;
85 pstapriv->auth_to = 3; /* 3*2 = 6 sec */
86 pstapriv->assoc_to = 3;
87 /* pstapriv->expire_to = 900; 900*2 = 1800 sec = 30 min, expire after no any traffic. */
88 /* pstapriv->expire_to = 30; 30*2 = 60 sec = 1 min, expire after no any traffic. */
89 pstapriv->expire_to = 3; /* 3*2 = 6 sec */
90 pstapriv->max_num_sta = NUM_STA;
95 inline int rtw_stainfo_offset23a(struct sta_priv *stapriv, struct sta_info *sta)
97 int offset = (((u8 *)sta) - stapriv->pstainfo_buf)/sizeof(struct sta_info);
99 if (!stainfo_offset_valid(offset))
100 DBG_8723A("%s invalid offset(%d), out of range!!!", __func__, offset);
104 inline struct sta_info *rtw_get_stainfo23a_by_offset23a(struct sta_priv *stapriv, int offset)
106 if (!stainfo_offset_valid(offset))
107 DBG_8723A("%s invalid offset(%d), out of range!!!", __func__, offset);
108 return (struct sta_info *)(stapriv->pstainfo_buf + offset * sizeof(struct sta_info));
111 /* this function is used to free the memory of lock || sema for all stainfos */
112 void rtw_mfree_all_stainfo(struct sta_priv *pstapriv)
114 struct list_head *plist, *phead;
115 struct sta_info *psta;
117 spin_lock_bh(&pstapriv->sta_hash_lock);
119 phead = get_list_head(&pstapriv->free_sta_queue);
121 /* we really achieve a lot in this loop .... */
122 list_for_each(plist, phead)
123 psta = container_of(plist, struct sta_info, list);
124 spin_unlock_bh(&pstapriv->sta_hash_lock);
127 void rtw_mfree_sta_priv_lock(struct sta_priv *pstapriv)
129 rtw_mfree_all_stainfo(pstapriv); /* be done before free sta_hash_lock */
132 u32 _rtw_free_sta_priv23a(struct sta_priv *pstapriv)
134 struct list_head *phead, *plist, *ptmp;
135 struct sta_info *psta;
136 struct recv_reorder_ctrl *preorder_ctrl;
140 /* delete all reordering_ctrl_timer */
141 spin_lock_bh(&pstapriv->sta_hash_lock);
142 for (index = 0; index < NUM_STA; index++) {
143 phead = &pstapriv->sta_hash[index];
145 list_for_each_safe(plist, ptmp, phead) {
147 psta = container_of(plist, struct sta_info,
149 for (i = 0; i < 16 ; i++) {
150 preorder_ctrl = &psta->recvreorder_ctrl[i];
151 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
155 spin_unlock_bh(&pstapriv->sta_hash_lock);
156 /*===============================*/
158 rtw_mfree_sta_priv_lock(pstapriv);
160 if (pstapriv->pallocated_stainfo_buf)
161 rtw_vmfree(pstapriv->pallocated_stainfo_buf, sizeof(struct sta_info)*NUM_STA+4);
166 struct sta_info *rtw_alloc_stainfo23a(struct sta_priv *pstapriv, u8 *hwaddr)
168 struct list_head *phash_list;
169 struct sta_info *psta;
170 struct rtw_queue *pfree_sta_queue;
171 struct recv_reorder_ctrl *preorder_ctrl;
175 u16 wRxSeqInitialValue = 0xffff;
177 pfree_sta_queue = &pstapriv->free_sta_queue;
179 spin_lock_bh(&pstapriv->sta_hash_lock);
181 if (_rtw_queue_empty23a(pfree_sta_queue)) {
182 spin_unlock_bh(&pstapriv->sta_hash_lock);
185 psta = container_of((&pfree_sta_queue->queue)->next, struct sta_info, list);
187 list_del_init(&psta->list);
191 _rtw_init_stainfo(psta);
193 psta->padapter = pstapriv->padapter;
195 memcpy(psta->hwaddr, hwaddr, ETH_ALEN);
197 index = wifi_mac_hash(hwaddr);
199 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
200 ("rtw_alloc_stainfo23a: index = %x", index));
201 if (index >= NUM_STA) {
202 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
203 ("ERROR => rtw_alloc_stainfo23a: index >= NUM_STA"));
207 phash_list = &pstapriv->sta_hash[index];
209 list_add_tail(&psta->hash_list, phash_list);
211 pstapriv->asoc_sta_count ++ ;
213 /* For the SMC router, the sequence number of first packet of WPS handshake will be 0. */
214 /* 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. */
215 /* So, we initialize the tid_rxseq variable as the 0xffff. */
217 for (i = 0; i < 16; i++)
218 memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i], &wRxSeqInitialValue, 2);
220 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
221 ("alloc number_%d stainfo with hwaddr = %pM\n",
222 pstapriv->asoc_sta_count, hwaddr));
224 init_addba_retry_timer23a(psta);
226 /* for A-MPDU Rx reordering buffer control */
227 for (i = 0; i < 16; i++) {
228 preorder_ctrl = &psta->recvreorder_ctrl[i];
230 preorder_ctrl->padapter = pstapriv->padapter;
232 preorder_ctrl->enable = false;
234 preorder_ctrl->indicate_seq = 0xffff;
235 preorder_ctrl->wend_b = 0xffff;
236 /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
237 preorder_ctrl->wsize_b = 64;/* 64; */
239 _rtw_init_queue23a(&preorder_ctrl->pending_recvframe_queue);
241 rtw_init_recv_timer23a(preorder_ctrl);
244 psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
245 psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
247 /* init for the sequence number of received management frame */
248 psta->RxMgmtFrameSeqNum = 0xffff;
250 spin_unlock_bh(&pstapriv->sta_hash_lock);
254 /* using pstapriv->sta_hash_lock to protect */
255 u32 rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta)
257 struct rtw_queue *pfree_sta_queue;
258 struct recv_reorder_ctrl *preorder_ctrl;
259 struct sta_xmit_priv *pstaxmitpriv;
260 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
261 struct sta_priv *pstapriv = &padapter->stapriv;
262 struct hw_xmit *phwxmit;
268 spin_lock_bh(&psta->lock);
269 psta->state &= ~_FW_LINKED;
270 spin_unlock_bh(&psta->lock);
272 pfree_sta_queue = &pstapriv->free_sta_queue;
274 pstaxmitpriv = &psta->sta_xmitpriv;
276 spin_lock_bh(&pxmitpriv->lock);
278 rtw_free_xmitframe_queue23a(pxmitpriv, &psta->sleep_q);
279 psta->sleepq_len = 0;
282 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
283 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
284 phwxmit = pxmitpriv->hwxmits;
285 phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
286 pstaxmitpriv->vo_q.qcnt = 0;
289 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
290 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
291 phwxmit = pxmitpriv->hwxmits+1;
292 phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
293 pstaxmitpriv->vi_q.qcnt = 0;
296 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
297 list_del_init(&pstaxmitpriv->be_q.tx_pending);
298 phwxmit = pxmitpriv->hwxmits+2;
299 phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
300 pstaxmitpriv->be_q.qcnt = 0;
303 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
304 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
305 phwxmit = pxmitpriv->hwxmits+3;
306 phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
307 pstaxmitpriv->bk_q.qcnt = 0;
309 spin_unlock_bh(&pxmitpriv->lock);
311 list_del_init(&psta->hash_list);
312 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]));
313 pstapriv->asoc_sta_count --;
315 /* re-init sta_info; 20061114 will be init in alloc_stainfo */
316 /* _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv); */
317 /* _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv); */
319 del_timer_sync(&psta->addba_retry_timer);
321 /* for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer */
322 for (i = 0; i < 16; i++) {
323 struct list_head *phead, *plist;
324 struct recv_frame *prframe;
325 struct rtw_queue *ppending_recvframe_queue;
326 struct rtw_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
328 preorder_ctrl = &psta->recvreorder_ctrl[i];
330 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
332 ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
334 spin_lock_bh(&ppending_recvframe_queue->lock);
335 phead = get_list_head(ppending_recvframe_queue);
338 while (!list_empty(phead)) {
339 prframe = container_of(plist, struct recv_frame, list);
341 list_del_init(&prframe->list);
342 rtw_free_recvframe23a(prframe, pfree_recv_queue);
344 spin_unlock_bh(&ppending_recvframe_queue->lock);
346 if (!(psta->state & WIFI_AP_STATE))
347 rtw_hal_set_odm_var23a(padapter, HAL_ODM_STA_INFO, psta, false);
348 #ifdef CONFIG_8723AU_AP_MODE
349 spin_lock_bh(&pstapriv->auth_list_lock);
350 if (!list_empty(&psta->auth_list)) {
351 list_del_init(&psta->auth_list);
352 pstapriv->auth_list_cnt--;
354 spin_unlock_bh(&pstapriv->auth_list_lock);
358 psta->sleepq_ac_len = 0;
361 psta->max_sp_len = 0;
367 psta->has_legacy_ac = 0;
369 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
370 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
372 if ((psta->aid >0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
373 pstapriv->sta_aid[psta->aid - 1] = NULL;
376 #endif /* CONFIG_8723AU_AP_MODE */
377 list_add_tail(&psta->list, get_list_head(pfree_sta_queue));
382 /* free all stainfo which in sta_hash[all] */
383 void rtw_free_all_stainfo23a(struct rtw_adapter *padapter)
385 struct list_head *plist, *phead, *ptmp;
386 struct sta_info *psta;
387 struct sta_priv *pstapriv = &padapter->stapriv;
388 struct sta_info* pbcmc_stainfo = rtw_get_bcmc_stainfo23a(padapter);
389 s32 index; if (pstapriv->asoc_sta_count == 1)
392 spin_lock_bh(&pstapriv->sta_hash_lock);
394 for (index = 0; index < NUM_STA; index++) {
395 phead = &pstapriv->sta_hash[index];
397 list_for_each_safe(plist, ptmp, phead) {
398 psta = container_of(plist, struct sta_info, hash_list);
400 if (pbcmc_stainfo!= psta)
401 rtw_free_stainfo23a(padapter, psta);
404 spin_unlock_bh(&pstapriv->sta_hash_lock);
407 /* any station allocated can be searched by hash list */
408 struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, u8 *hwaddr)
410 struct list_head *plist, *phead;
411 struct sta_info *psta = NULL;
414 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
419 if (is_multicast_ether_addr(hwaddr))
424 index = wifi_mac_hash(addr);
426 spin_lock_bh(&pstapriv->sta_hash_lock);
428 phead = &pstapriv->sta_hash[index];
430 list_for_each(plist, phead) {
431 psta = container_of(plist, struct sta_info, hash_list);
433 if (!memcmp(psta->hwaddr, addr, ETH_ALEN)) {
434 /* if found the matched address */
439 spin_unlock_bh(&pstapriv->sta_hash_lock);
443 u32 rtw_init_bcmc_stainfo23a(struct rtw_adapter* padapter)
445 struct sta_priv *pstapriv = &padapter->stapriv;
446 struct sta_info *psta;
447 struct tx_servq *ptxservq;
449 unsigned char bcast_addr[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
451 psta = rtw_alloc_stainfo23a(pstapriv, bcast_addr);
454 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
455 ("rtw_alloc_stainfo23a fail"));
458 /* default broadcast & multicast use macid 1 */
461 ptxservq = &psta->sta_xmitpriv.be_q;
465 struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter)
467 struct sta_info *psta;
468 struct sta_priv *pstapriv = &padapter->stapriv;
469 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
471 psta = rtw_get_stainfo23a(pstapriv, bc_addr);
475 u8 rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr)
478 #ifdef CONFIG_8723AU_AP_MODE
479 struct list_head *plist, *phead;
480 struct rtw_wlan_acl_node *paclnode;
482 struct sta_priv *pstapriv = &padapter->stapriv;
483 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
484 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
486 spin_lock_bh(&pacl_node_q->lock);
487 phead = get_list_head(pacl_node_q);
489 list_for_each(plist, phead) {
490 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
492 if (!memcmp(paclnode->addr, mac_addr, ETH_ALEN)) {
493 if (paclnode->valid) {
499 spin_unlock_bh(&pacl_node_q->lock);
501 if (pacl_list->mode == 1)/* accept unless in deny list */
502 res = (match) ? false : true;
503 else if (pacl_list->mode == 2)/* deny unless in accept list */
504 res = (match) ? true : false;