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;
87 struct sta_info *psta, *ptmp;
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];
96 list_for_each_entry_safe(psta, ptmp, phead, hash_list) {
99 for (i = 0; i < 16 ; i++) {
100 preorder_ctrl = &psta->recvreorder_ctrl[i];
101 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
105 spin_unlock_bh(&pstapriv->sta_hash_lock);
106 /*===============================*/
112 rtw_alloc_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr, gfp_t gfp)
114 struct list_head *phash_list;
115 struct sta_info *psta;
116 struct recv_reorder_ctrl *preorder_ctrl;
119 u16 wRxSeqInitialValue = 0xffff;
121 psta = kmalloc(sizeof(struct sta_info), gfp);
125 spin_lock_bh(&pstapriv->sta_hash_lock);
127 _rtw_init_stainfo(psta);
129 psta->padapter = pstapriv->padapter;
131 ether_addr_copy(psta->hwaddr, hwaddr);
133 index = wifi_mac_hash(hwaddr);
135 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
136 "rtw_alloc_stainfo23a: index = %x\n", index);
137 if (index >= NUM_STA) {
138 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
139 "ERROR => rtw_alloc_stainfo23a: index >= NUM_STA\n");
143 phash_list = &pstapriv->sta_hash[index];
145 list_add_tail(&psta->hash_list, phash_list);
147 pstapriv->asoc_sta_count++;
149 /* For the SMC router, the sequence number of first packet of WPS
150 handshake will be 0. */
151 /* In this case, this packet will be dropped by recv_decache function
152 if we use the 0x00 as the default value for tid_rxseq variable. */
153 /* So, we initialize the tid_rxseq variable as the 0xffff. */
155 for (i = 0; i < 16; i++)
156 memcpy(&psta->sta_recvpriv.rxcache.tid_rxseq[i],
157 &wRxSeqInitialValue, 2);
159 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_info_,
160 "alloc number_%d stainfo with hwaddr = %pM\n",
161 pstapriv->asoc_sta_count, hwaddr);
163 init_addba_retry_timer23a(psta);
165 /* for A-MPDU Rx reordering buffer control */
166 for (i = 0; i < 16; i++) {
167 preorder_ctrl = &psta->recvreorder_ctrl[i];
169 preorder_ctrl->padapter = pstapriv->padapter;
171 preorder_ctrl->enable = false;
173 preorder_ctrl->indicate_seq = 0xffff;
174 preorder_ctrl->wend_b = 0xffff;
175 /* preorder_ctrl->wsize_b = (NR_RECVBUFF-2); */
176 preorder_ctrl->wsize_b = 64;/* 64; */
178 _rtw_init_queue23a(&preorder_ctrl->pending_recvframe_queue);
180 rtw_init_recv_timer23a(preorder_ctrl);
183 psta->rssi_stat.UndecoratedSmoothedPWDB = (-1);
184 psta->rssi_stat.UndecoratedSmoothedCCK = (-1);
186 /* init for the sequence number of received management frame */
187 psta->RxMgmtFrameSeqNum = 0xffff;
189 spin_unlock_bh(&pstapriv->sta_hash_lock);
193 /* using pstapriv->sta_hash_lock to protect */
194 int rtw_free_stainfo23a(struct rtw_adapter *padapter, struct sta_info *psta)
196 struct recv_reorder_ctrl *preorder_ctrl;
197 struct sta_xmit_priv *pstaxmitpriv;
198 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
199 struct sta_priv *pstapriv = &padapter->stapriv;
200 struct hw_xmit *phwxmit;
206 spin_lock_bh(&psta->lock);
207 psta->state &= ~_FW_LINKED;
208 spin_unlock_bh(&psta->lock);
210 pstaxmitpriv = &psta->sta_xmitpriv;
212 spin_lock_bh(&pxmitpriv->lock);
214 rtw_free_xmitframe_queue23a(pxmitpriv, &psta->sleep_q);
215 psta->sleepq_len = 0;
218 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
219 list_del_init(&pstaxmitpriv->vo_q.tx_pending);
220 phwxmit = pxmitpriv->hwxmits;
221 phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
222 pstaxmitpriv->vo_q.qcnt = 0;
225 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
226 list_del_init(&pstaxmitpriv->vi_q.tx_pending);
227 phwxmit = pxmitpriv->hwxmits+1;
228 phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
229 pstaxmitpriv->vi_q.qcnt = 0;
232 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
233 list_del_init(&pstaxmitpriv->be_q.tx_pending);
234 phwxmit = pxmitpriv->hwxmits+2;
235 phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
236 pstaxmitpriv->be_q.qcnt = 0;
239 rtw_free_xmitframe_queue23a(pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
240 list_del_init(&pstaxmitpriv->bk_q.tx_pending);
241 phwxmit = pxmitpriv->hwxmits+3;
242 phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
243 pstaxmitpriv->bk_q.qcnt = 0;
245 spin_unlock_bh(&pxmitpriv->lock);
247 list_del_init(&psta->hash_list);
248 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
249 "free number_%d stainfo with hwaddr = %pM\n",
250 pstapriv->asoc_sta_count, psta->hwaddr);
251 pstapriv->asoc_sta_count--;
253 /* re-init sta_info; 20061114 will be init in alloc_stainfo */
254 /* _rtw_init_sta_xmit_priv23a(&psta->sta_xmitpriv); */
255 /* _rtw_init_sta_recv_priv23a(&psta->sta_recvpriv); */
257 del_timer_sync(&psta->addba_retry_timer);
259 /* for A-MPDU Rx reordering buffer control,
260 cancel reordering_ctrl_timer */
261 for (i = 0; i < 16; i++) {
262 struct list_head *phead, *plist;
263 struct recv_frame *prframe;
264 struct rtw_queue *ppending_recvframe_queue;
266 preorder_ctrl = &psta->recvreorder_ctrl[i];
268 del_timer_sync(&preorder_ctrl->reordering_ctrl_timer);
270 ppending_recvframe_queue =
271 &preorder_ctrl->pending_recvframe_queue;
273 spin_lock_bh(&ppending_recvframe_queue->lock);
274 phead = get_list_head(ppending_recvframe_queue);
277 while (!list_empty(phead)) {
278 prframe = container_of(plist, struct recv_frame, list);
280 list_del_init(&prframe->list);
281 rtw_free_recvframe23a(prframe);
283 spin_unlock_bh(&ppending_recvframe_queue->lock);
285 if (!(psta->state & WIFI_AP_STATE))
286 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, false);
287 #ifdef CONFIG_8723AU_AP_MODE
288 spin_lock_bh(&pstapriv->auth_list_lock);
289 if (!list_empty(&psta->auth_list)) {
290 list_del_init(&psta->auth_list);
291 pstapriv->auth_list_cnt--;
293 spin_unlock_bh(&pstapriv->auth_list_lock);
297 psta->sleepq_ac_len = 0;
300 psta->max_sp_len = 0;
306 psta->has_legacy_ac = 0;
308 pstapriv->sta_dz_bitmap &= ~CHKBIT(psta->aid);
309 pstapriv->tim_bitmap &= ~CHKBIT(psta->aid);
311 if ((psta->aid > 0) && (pstapriv->sta_aid[psta->aid - 1] == psta)) {
312 pstapriv->sta_aid[psta->aid - 1] = NULL;
315 #endif /* CONFIG_8723AU_AP_MODE */
322 /* free all stainfo which in sta_hash[all] */
323 void rtw_free_all_stainfo23a(struct rtw_adapter *padapter)
325 struct list_head *phead;
326 struct sta_info *psta, *ptmp;
327 struct sta_priv *pstapriv = &padapter->stapriv;
328 struct sta_info *pbcmc_stainfo = rtw_get_bcmc_stainfo23a(padapter);
331 if (pstapriv->asoc_sta_count == 1)
334 spin_lock_bh(&pstapriv->sta_hash_lock);
335 for (index = 0; index < NUM_STA; index++) {
336 phead = &pstapriv->sta_hash[index];
337 list_for_each_entry_safe(psta, ptmp, phead, hash_list) {
338 if (pbcmc_stainfo != psta)
339 rtw_free_stainfo23a(padapter, psta);
342 spin_unlock_bh(&pstapriv->sta_hash_lock);
345 /* any station allocated can be searched by hash list */
346 struct sta_info *rtw_get_stainfo23a(struct sta_priv *pstapriv, const u8 *hwaddr)
348 struct list_head *phead;
349 struct sta_info *pos, *psta = NULL;
356 if (is_multicast_ether_addr(hwaddr))
361 index = wifi_mac_hash(addr);
363 spin_lock_bh(&pstapriv->sta_hash_lock);
364 phead = &pstapriv->sta_hash[index];
365 list_for_each_entry(pos, phead, hash_list) {
368 /* if found the matched address */
369 if (ether_addr_equal(psta->hwaddr, addr))
374 spin_unlock_bh(&pstapriv->sta_hash_lock);
378 int rtw_init_bcmc_stainfo23a(struct rtw_adapter *padapter)
380 struct sta_priv *pstapriv = &padapter->stapriv;
381 struct sta_info *psta;
382 struct tx_servq *ptxservq;
385 psta = rtw_alloc_stainfo23a(pstapriv, bc_addr, GFP_KERNEL);
388 RT_TRACE(_module_rtl871x_sta_mgt_c_, _drv_err_,
389 "rtw_alloc_stainfo23a fail\n");
392 /* default broadcast & multicast use macid 1 */
395 ptxservq = &psta->sta_xmitpriv.be_q;
399 struct sta_info *rtw_get_bcmc_stainfo23a(struct rtw_adapter *padapter)
401 struct sta_info *psta;
402 struct sta_priv *pstapriv = &padapter->stapriv;
404 psta = rtw_get_stainfo23a(pstapriv, bc_addr);
408 bool rtw_access_ctrl23a(struct rtw_adapter *padapter, u8 *mac_addr)
411 #ifdef CONFIG_8723AU_AP_MODE
412 struct list_head *phead;
413 struct rtw_wlan_acl_node *paclnode;
415 struct sta_priv *pstapriv = &padapter->stapriv;
416 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
417 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
419 spin_lock_bh(&pacl_node_q->lock);
420 phead = get_list_head(pacl_node_q);
421 list_for_each_entry(paclnode, phead, list) {
422 if (ether_addr_equal(paclnode->addr, mac_addr)) {
423 if (paclnode->valid) {
429 spin_unlock_bh(&pacl_node_q->lock);
431 if (pacl_list->mode == 1)/* accept unless in deny list */
432 res = (match) ? false : true;
433 else if (pacl_list->mode == 2)/* deny unless in accept list */
434 res = (match) ? true : false;