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>
23 #include <rtl8723a_hal.h>
25 static const u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
27 static void _rtw_init_stainfo(struct sta_info *psta)
29 memset((u8 *)psta, 0, sizeof(struct sta_info));
30 spin_lock_init(&psta->lock);
31 INIT_LIST_HEAD(&psta->list);
32 INIT_LIST_HEAD(&psta->hash_list);
33 _rtw_init_queue23a(&psta->sleep_q);
35 _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv);
36 _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv);
37 #ifdef CONFIG_8723AU_AP_MODE
38 INIT_LIST_HEAD(&psta->asoc_list);
39 INIT_LIST_HEAD(&psta->auth_list);
43 psta->bpairwise_key_installed = false;
45 psta->no_short_slot_time_set = 0;
46 psta->no_short_preamble_set = 0;
47 psta->no_ht_gf_set = 0;
49 psta->ht_20mhz_set = 0;
50 psta->keep_alive_trycnt = 0;
51 #endif /* CONFIG_8723AU_AP_MODE */
54 int _rtw_init_sta_priv23a(struct sta_priv *pstapriv)
58 spin_lock_init(&pstapriv->sta_hash_lock);
59 pstapriv->asoc_sta_count = 0;
60 for (i = 0; i < NUM_STA; i++)
61 INIT_LIST_HEAD(&pstapriv->sta_hash[i]);
63 #ifdef CONFIG_8723AU_AP_MODE
64 pstapriv->sta_dz_bitmap = 0;
65 pstapriv->tim_bitmap = 0;
66 INIT_LIST_HEAD(&pstapriv->asoc_list);
67 INIT_LIST_HEAD(&pstapriv->auth_list);
68 spin_lock_init(&pstapriv->asoc_list_lock);
69 spin_lock_init(&pstapriv->auth_list_lock);
70 pstapriv->asoc_list_cnt = 0;
71 pstapriv->auth_list_cnt = 0;
72 pstapriv->auth_to = 3; /* 3*2 = 6 sec */
73 pstapriv->assoc_to = 3;
74 /* pstapriv->expire_to = 900; 900*2 = 1800 sec = 30 min,
75 expire after no any traffic. */
76 /* pstapriv->expire_to = 30; 30*2 = 60 sec = 1 min,
77 expire after no any traffic. */
78 pstapriv->expire_to = 3; /* 3*2 = 6 sec */
79 pstapriv->max_num_sta = NUM_STA;
84 int _rtw_free_sta_priv23a(struct sta_priv *pstapriv)
86 struct list_head *phead, *plist, *ptmp;
87 struct sta_info *psta;
88 struct recv_reorder_ctrl *preorder_ctrl;
92 /* delete all reordering_ctrl_timer */
93 spin_lock_bh(&pstapriv->sta_hash_lock);
94 for (index = 0; index < NUM_STA; index++) {
95 phead = &pstapriv->sta_hash[index];
97 list_for_each_safe(plist, ptmp, phead) {
100 psta = container_of(plist, struct sta_info,
102 for (i = 0; i < 16 ; i++) {
103 preorder_ctrl = &psta->recvreorder_ctrl[i];
104 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
108 spin_unlock_bh(&pstapriv->sta_hash_lock);
109 /*===============================*/
115 rtw_alloc_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr, gfp_t gfp)
117 struct list_head *phash_list;
118 struct sta_info *psta;
119 struct recv_reorder_ctrl *preorder_ctrl;
122 u16 wRxSeqInitialValue = 0xffff;
124 psta = kmalloc(sizeof(struct sta_info), gfp);
128 spin_lock_bh(&pstapriv->sta_hash_lock);
130 _rtw_init_stainfo(psta);
132 psta->padapter = pstapriv->padapter;
134 ether_addr_copy(psta->hwaddr, hwaddr);
136 index = wifi_mac_hash(hwaddr);
138 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
139 "rtw_alloc_stainfo23a: index = %x\n", index);
140 if (index >= NUM_STA) {
141 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
142 "ERROR => rtw_alloc_stainfo23a: index >= NUM_STA\n");
146 phash_list = &pstapriv->sta_hash[index];
148 list_add_tail(&psta->hash_list, phash_list);
150 pstapriv->asoc_sta_count++;
152 /* For the SMC router, the sequence number of first packet of WPS
153 handshake will be 0. */
154 /* In this case, this packet will be dropped by recv_decache function
155 if we use the 0x00 as the default value for tid_rxseq variable. */
156 /* So, we initialize the tid_rxseq variable as the 0xffff. */
158 for (i = 0; i < 16; i++)
159 memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
160 &wRxSeqInitialValue, 2);
162 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
163 "alloc number_%d stainfo with hwaddr = %pM\n",
164 pstapriv->asoc_sta_count, hwaddr);
166 init_addba_retry_timer23a(psta);
168 /* for A-MPDU Rx reordering buffer control */
169 for (i = 0; i < 16; i++) {
170 preorder_ctrl = &psta->recvreorder_ctrl[i];
172 preorder_ctrl->padapter = pstapriv->padapter;
174 preorder_ctrl->enable = false;
176 preorder_ctrl->indicate_seq = 0xffff;
177 preorder_ctrl->wend_b = 0xffff;
178 /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
179 preorder_ctrl->wsize_b = 64;/* 64; */
181 _rtw_init_queue23a(&preorder_ctrl->pending_recvframe_queue);
183 rtw_init_recv_timer23a(preorder_ctrl);
186 psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
187 psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
189 /* init for the sequence number of received management frame */
190 psta->RxMgmtFrameSeqNum = 0xffff;
192 spin_unlock_bh(&pstapriv->sta_hash_lock);
196 /* using pstapriv->sta_hash_lock to protect */
197 int rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta)
199 struct recv_reorder_ctrl *preorder_ctrl;
200 struct sta_xmit_priv *pstaxmitpriv;
201 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
202 struct sta_priv *pstapriv = &padapter->stapriv;
203 struct hw_xmit *phwxmit;
209 spin_lock_bh(&psta->lock);
210 psta->state &= ~_FW_LINKED;
211 spin_unlock_bh(&psta->lock);
213 pstaxmitpriv = &psta->sta_xmitpriv;
215 spin_lock_bh(&pxmitpriv->lock);
217 rtw_free_xmitframe_queue23a(pxmitpriv, &psta->sleep_q);
218 psta->sleepq_len = 0;
221 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
222 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
223 phwxmit = pxmitpriv->hwxmits;
224 phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
225 pstaxmitpriv->vo_q.qcnt = 0;
228 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
229 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
230 phwxmit = pxmitpriv->hwxmits+1;
231 phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
232 pstaxmitpriv->vi_q.qcnt = 0;
235 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
236 list_del_init(&pstaxmitpriv->be_q.tx_pending);
237 phwxmit = pxmitpriv->hwxmits+2;
238 phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
239 pstaxmitpriv->be_q.qcnt = 0;
242 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
243 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
244 phwxmit = pxmitpriv->hwxmits+3;
245 phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
246 pstaxmitpriv->bk_q.qcnt = 0;
248 spin_unlock_bh(&pxmitpriv->lock);
250 list_del_init(&psta->hash_list);
251 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
252 "free number_%d stainfo with hwaddr = %pM\n",
253 pstapriv->asoc_sta_count, psta->hwaddr);
254 pstapriv->asoc_sta_count--;
256 /* re-init sta_info; 20061114 will be init in alloc_stainfo */
257 /* _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv); */
258 /* _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv); */
260 del_timer_sync(&psta->addba_retry_timer);
262 /* for A-MPDU Rx reordering buffer control,
263 cancel reordering_ctrl_timer */
264 for (i = 0; i < 16; i++) {
265 struct list_head *phead, *plist;
266 struct recv_frame *prframe;
267 struct rtw_queue *ppending_recvframe_queue;
269 preorder_ctrl = &psta->recvreorder_ctrl[i];
271 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
273 ppending_recvframe_queue =
274 &preorder_ctrl->pending_recvframe_queue;
276 spin_lock_bh(&ppending_recvframe_queue->lock);
277 phead = get_list_head(ppending_recvframe_queue);
280 while (!list_empty(phead)) {
281 prframe = container_of(plist, struct recv_frame, list);
283 list_del_init(&prframe->list);
284 rtw_free_recvframe23a(prframe);
286 spin_unlock_bh(&ppending_recvframe_queue->lock);
288 if (!(psta->state & WIFI_AP_STATE))
289 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, false);
290 #ifdef CONFIG_8723AU_AP_MODE
291 spin_lock_bh(&pstapriv->auth_list_lock);
292 if (!list_empty(&psta->auth_list)) {
293 list_del_init(&psta->auth_list);
294 pstapriv->auth_list_cnt--;
296 spin_unlock_bh(&pstapriv->auth_list_lock);
300 psta->sleepq_ac_len = 0;
303 psta->max_sp_len = 0;
309 psta->has_legacy_ac = 0;
311 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
312 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
314 if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
315 pstapriv->sta_aid[psta->aid - 1] = NULL;
318 #endif /* CONFIG_8723AU_AP_MODE */
325 /* free all stainfo which in sta_hash[all] */
326 void rtw_free_all_stainfo23a(struct rtw_adapter *padapter)
328 struct list_head *plist, *phead, *ptmp;
329 struct sta_info *psta;
330 struct sta_priv *pstapriv = &padapter->stapriv;
331 struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo23a(padapter);
334 if (pstapriv->asoc_sta_count == 1)
337 spin_lock_bh(&pstapriv->sta_hash_lock);
339 for (index = 0; index < NUM_STA; index++) {
340 phead = &pstapriv->sta_hash[index];
342 list_for_each_safe(plist, ptmp, phead) {
343 psta = container_of(plist, struct sta_info, hash_list);
345 if (pbcmc_stainfo != psta)
346 rtw_free_stainfo23a(padapter, psta);
349 spin_unlock_bh(&pstapriv->sta_hash_lock);
352 /* any station allocated can be searched by hash list */
353 struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr)
355 struct list_head *plist, *phead;
356 struct sta_info *psta = NULL;
363 if (is_multicast_ether_addr(hwaddr))
368 index = wifi_mac_hash(addr);
370 spin_lock_bh(&pstapriv->sta_hash_lock);
372 phead = &pstapriv->sta_hash[index];
374 list_for_each(plist, phead) {
375 psta = container_of(plist, struct sta_info, hash_list);
377 /* if found the matched address */
378 if (ether_addr_equal(psta->hwaddr, addr))
383 spin_unlock_bh(&pstapriv->sta_hash_lock);
387 int rtw_init_bcmc_stainfo23a(struct rtw_adapter *padapter)
389 struct sta_priv *pstapriv = &padapter->stapriv;
390 struct sta_info *psta;
391 struct tx_servq *ptxservq;
394 psta = rtw_alloc_stainfo23a(pstapriv, bc_addr, GFP_KERNEL);
397 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
398 "rtw_alloc_stainfo23a fail\n");
401 /* default broadcast & multicast use macid 1 */
404 ptxservq = &psta->sta_xmitpriv.be_q;
408 struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter)
410 struct sta_info *psta;
411 struct sta_priv *pstapriv = &padapter->stapriv;
413 psta = rtw_get_stainfo23a(pstapriv, bc_addr);
417 bool rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr)
420 #ifdef CONFIG_8723AU_AP_MODE
421 struct list_head *plist, *phead;
422 struct rtw_wlan_acl_node *paclnode;
424 struct sta_priv *pstapriv = &padapter->stapriv;
425 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
426 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
428 spin_lock_bh(&pacl_node_q->lock);
429 phead = get_list_head(pacl_node_q);
431 list_for_each(plist, phead) {
432 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
434 if (ether_addr_equal(paclnode->addr, mac_addr)) {
435 if (paclnode->valid) {
441 spin_unlock_bh(&pacl_node_q->lock);
443 if (pacl_list->mode == 1)/* accept unless in deny list */
444 res = (match) ? false : true;
445 else if (pacl_list->mode == 2)/* deny unless in accept list */
446 res = (match) ? true : false;