1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #define _RTW_AP_C_
8
9 #include <linux/ieee80211.h>
10
11 #include <osdep_service.h>
12 #include <drv_types.h>
13 #include <wifi.h>
14 #include <ieee80211.h>
15 #include <asm/unaligned.h>
16
17 #ifdef CONFIG_88EU_AP_MODE
18
init_mlme_ap_info(struct adapter * padapter)19 void init_mlme_ap_info(struct adapter *padapter)
20 {
21 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
22 struct sta_priv *pstapriv = &padapter->stapriv;
23 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
24
25 spin_lock_init(&pmlmepriv->bcn_update_lock);
26
27 /* for ACL */
28 _rtw_init_queue(&pacl_list->acl_node_q);
29
30 start_ap_mode(padapter);
31 }
32
free_mlme_ap_info(struct adapter * padapter)33 void free_mlme_ap_info(struct adapter *padapter)
34 {
35 struct sta_info *psta = NULL;
36 struct sta_priv *pstapriv = &padapter->stapriv;
37 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
38 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
39 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
40
41 pmlmepriv->update_bcn = false;
42 pmlmeext->bstart_bss = false;
43
44 rtw_sta_flush(padapter);
45
46 pmlmeinfo->state = _HW_STATE_NOLINK_;
47
48 /* free_assoc_sta_resources */
49 rtw_free_all_stainfo(padapter);
50
51 /* free bc/mc sta_info */
52 psta = rtw_get_bcmc_stainfo(padapter);
53 spin_lock_bh(&pstapriv->sta_hash_lock);
54 rtw_free_stainfo(padapter, psta);
55 spin_unlock_bh(&pstapriv->sta_hash_lock);
56 }
57
update_BCNTIM(struct adapter * padapter)58 static void update_BCNTIM(struct adapter *padapter)
59 {
60 struct sta_priv *pstapriv = &padapter->stapriv;
61 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
62 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
63 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
64 unsigned char *pie = pnetwork_mlmeext->ies;
65 u8 *p, *dst_ie, *premainder_ie = NULL;
66 u8 *pbackup_remainder_ie = NULL;
67 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
68
69 /* update TIM IE */
70 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, WLAN_EID_TIM, &tim_ielen,
71 pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_);
72 if (p && tim_ielen > 0) {
73 tim_ielen += 2;
74 premainder_ie = p + tim_ielen;
75 tim_ie_offset = (int)(p - pie);
76 remainder_ielen = pnetwork_mlmeext->ie_length -
77 tim_ie_offset - tim_ielen;
78 /* append TIM IE from dst_ie offset */
79 dst_ie = p;
80 } else {
81 tim_ielen = 0;
82
83 /* calculate head_len */
84 offset = _FIXED_IE_LENGTH_;
85 offset += pnetwork_mlmeext->ssid.ssid_length + 2;
86
87 /* get supported rates len */
88 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES,
89 &tmp_len, (pnetwork_mlmeext->ie_length -
90 _BEACON_IE_OFFSET_));
91 if (p)
92 offset += tmp_len + 2;
93
94 /* DS Parameter Set IE, len = 3 */
95 offset += 3;
96
97 premainder_ie = pie + offset;
98
99 remainder_ielen = pnetwork_mlmeext->ie_length -
100 offset - tim_ielen;
101
102 /* append TIM IE from offset */
103 dst_ie = pie + offset;
104 }
105
106 if (remainder_ielen > 0) {
107 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
108 if (pbackup_remainder_ie && premainder_ie)
109 memcpy(pbackup_remainder_ie, premainder_ie,
110 remainder_ielen);
111 }
112 *dst_ie++ = WLAN_EID_TIM;
113
114 if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
115 tim_ielen = 5;
116 else
117 tim_ielen = 4;
118
119 *dst_ie++ = tim_ielen;
120
121 *dst_ie++ = 0;/* DTIM count */
122 *dst_ie++ = 1;/* DTIM period */
123
124 if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
125 *dst_ie++ = BIT(0);/* bitmap ctrl */
126 else
127 *dst_ie++ = 0;
128
129 if (tim_ielen == 4) {
130 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
131 } else if (tim_ielen == 5) {
132 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
133 dst_ie += 2;
134 }
135
136 /* copy remainder IE */
137 if (pbackup_remainder_ie) {
138 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
139
140 kfree(pbackup_remainder_ie);
141 }
142 offset = (uint)(dst_ie - pie);
143 pnetwork_mlmeext->ie_length = offset + remainder_ielen;
144
145 set_tx_beacon_cmd(padapter);
146 }
147
chk_sta_is_alive(struct sta_info * psta)148 static u8 chk_sta_is_alive(struct sta_info *psta)
149 {
150 u8 ret = false;
151
152 if ((psta->sta_stats.last_rx_data_pkts +
153 psta->sta_stats.last_rx_ctrl_pkts) ==
154 (psta->sta_stats.rx_data_pkts +
155 psta->sta_stats.rx_ctrl_pkts))
156 ;
157 else
158 ret = true;
159
160 sta_update_last_rx_pkts(psta);
161
162 return ret;
163 }
164
expire_timeout_chk(struct adapter * padapter)165 void expire_timeout_chk(struct adapter *padapter)
166 {
167 struct list_head *phead, *plist;
168 u8 updated = 0;
169 struct sta_info *psta = NULL;
170 struct sta_priv *pstapriv = &padapter->stapriv;
171 u8 chk_alive_num = 0;
172 char chk_alive_list[NUM_STA];
173 int i;
174
175 spin_lock_bh(&pstapriv->auth_list_lock);
176
177 phead = &pstapriv->auth_list;
178 plist = phead->next;
179
180 /* check auth_queue */
181 while (phead != plist) {
182 psta = container_of(plist, struct sta_info, auth_list);
183 plist = plist->next;
184
185 if (psta->expire_to > 0) {
186 psta->expire_to--;
187 if (psta->expire_to == 0) {
188 list_del_init(&psta->auth_list);
189 pstapriv->auth_list_cnt--;
190
191 DBG_88E("auth expire %6ph\n",
192 psta->hwaddr);
193
194 spin_unlock_bh(&pstapriv->auth_list_lock);
195
196 spin_lock_bh(&pstapriv->sta_hash_lock);
197 rtw_free_stainfo(padapter, psta);
198 spin_unlock_bh(&pstapriv->sta_hash_lock);
199
200 spin_lock_bh(&pstapriv->auth_list_lock);
201 }
202 }
203 }
204 spin_unlock_bh(&pstapriv->auth_list_lock);
205
206 psta = NULL;
207
208 spin_lock_bh(&pstapriv->asoc_list_lock);
209
210 phead = &pstapriv->asoc_list;
211 plist = phead->next;
212
213 /* check asoc_queue */
214 while (phead != plist) {
215 psta = container_of(plist, struct sta_info, asoc_list);
216 plist = plist->next;
217
218 if (chk_sta_is_alive(psta) || !psta->expire_to) {
219 psta->expire_to = pstapriv->expire_to;
220 psta->keep_alive_trycnt = 0;
221 psta->under_exist_checking = 0;
222 } else {
223 psta->expire_to--;
224 }
225
226 if (psta->expire_to <= 0) {
227 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
228
229 if (padapter->registrypriv.wifi_spec == 1) {
230 psta->expire_to = pstapriv->expire_to;
231 continue;
232 }
233
234 if (psta->state & WIFI_SLEEP_STATE) {
235 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
236 /* to check if alive by another methods
237 * if station is at ps mode.
238 */
239 psta->expire_to = pstapriv->expire_to;
240 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
241
242 /* to update bcn with tim_bitmap
243 * for this station
244 */
245 pstapriv->tim_bitmap |= BIT(psta->aid);
246 update_beacon(padapter, WLAN_EID_TIM, NULL,
247 false);
248
249 if (!pmlmeext->active_keep_alive_check)
250 continue;
251 }
252 }
253 if (pmlmeext->active_keep_alive_check) {
254 int stainfo_offset;
255
256 stainfo_offset =
257 rtw_stainfo_offset(pstapriv, psta);
258 if (stainfo_offset_valid(stainfo_offset))
259 chk_alive_list[chk_alive_num++] =
260 stainfo_offset;
261 continue;
262 }
263
264 list_del_init(&psta->asoc_list);
265 pstapriv->asoc_list_cnt--;
266
267 DBG_88E("asoc expire %pM, state = 0x%x\n",
268 (psta->hwaddr), psta->state);
269 updated = ap_free_sta(padapter, psta, true,
270 WLAN_REASON_DEAUTH_LEAVING);
271 } else {
272 /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
273 if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
274 padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
275 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
276 (psta->hwaddr), psta->sleepq_len,
277 padapter->xmitpriv.free_xmitframe_cnt,
278 pstapriv->asoc_list_cnt);
279 wakeup_sta_to_xmit(padapter, psta);
280 }
281 }
282 }
283
284 spin_unlock_bh(&pstapriv->asoc_list_lock);
285
286 if (chk_alive_num) {
287 u8 backup_oper_channel = 0;
288 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
289 /* switch to correct channel of current network before issue keep-alive frames */
290 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
291 backup_oper_channel = rtw_get_oper_ch(padapter);
292 SelectChannel(padapter, pmlmeext->cur_channel);
293 }
294
295 /* issue null data to check sta alive*/
296 for (i = 0; i < chk_alive_num; i++) {
297 int ret = _FAIL;
298
299 psta = rtw_get_stainfo_by_offset(pstapriv,
300 chk_alive_list[i]);
301
302 if (psta->state & WIFI_SLEEP_STATE) {
303 ret = issue_nulldata(padapter, psta->hwaddr,
304 0, 1, 50);
305 } else {
306 ret = issue_nulldata(padapter, psta->hwaddr,
307 0, 3, 50);
308 }
309
310 psta->keep_alive_trycnt++;
311 if (ret == _SUCCESS) {
312 DBG_88E("asoc check, sta(%pM) is alive\n",
313 (psta->hwaddr));
314 psta->expire_to = pstapriv->expire_to;
315 psta->keep_alive_trycnt = 0;
316 continue;
317 } else if (psta->keep_alive_trycnt <= 3) {
318 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
319 psta->expire_to = 1;
320 continue;
321 }
322
323 psta->keep_alive_trycnt = 0;
324
325 DBG_88E("asoc expire %pM, state = 0x%x\n",
326 psta->hwaddr, psta->state);
327 spin_lock_bh(&pstapriv->asoc_list_lock);
328 list_del_init(&psta->asoc_list);
329 pstapriv->asoc_list_cnt--;
330 updated = ap_free_sta(padapter, psta, true,
331 WLAN_REASON_DEAUTH_LEAVING);
332 spin_unlock_bh(&pstapriv->asoc_list_lock);
333 }
334
335 if (backup_oper_channel > 0) /* back to the original operation channel */
336 SelectChannel(padapter, backup_oper_channel);
337 }
338
339 associated_clients_update(padapter, updated);
340 }
341
add_RATid(struct adapter * padapter,struct sta_info * psta,u8 rssi_level)342 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
343 {
344 int i;
345 u32 init_rate = 0;
346 unsigned char sta_band = 0, raid, shortGIrate = false;
347 unsigned int tx_ra_bitmap = 0;
348 struct ht_priv *psta_ht = NULL;
349
350 if (psta)
351 psta_ht = &psta->htpriv;
352 else
353 return;
354
355 if (!(psta->state & _FW_LINKED))
356 return;
357
358 /* b/g mode ra_bitmap */
359 for (i = 0; i < sizeof(psta->bssrateset); i++) {
360 if (psta->bssrateset[i])
361 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
362 }
363 /* n mode ra_bitmap */
364 if (psta_ht->ht_option) {
365 for (i = 0; i < 8; i++)
366 if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i))
367 tx_ra_bitmap |= BIT(i + 12);
368
369 /* max short GI rate */
370 shortGIrate = psta_ht->sgi;
371 }
372
373 if (tx_ra_bitmap & 0xffff000)
374 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
375 else if (tx_ra_bitmap & 0xff0)
376 sta_band |= WIRELESS_11G | WIRELESS_11B;
377 else
378 sta_band |= WIRELESS_11B;
379
380 psta->wireless_mode = sta_band;
381
382 raid = networktype_to_raid(sta_band);
383 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
384
385 if (psta->aid < NUM_STA) {
386 u8 arg = 0;
387
388 arg = psta->mac_id & 0x1f;
389
390 arg |= BIT(7);/* support entry 2~31 */
391
392 if (shortGIrate)
393 arg |= BIT(5);
394
395 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
396
397 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
398 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
399
400 /* bitmap[0:27] = tx_rate_bitmap */
401 /* bitmap[28:31]= Rate Adaptive id */
402 /* arg[0:4] = macid */
403 /* arg[5] = Short GI */
404 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
405
406 if (shortGIrate)
407 init_rate |= BIT(6);
408
409 /* set ra_id, init_rate */
410 psta->raid = raid;
411 psta->init_rate = init_rate;
412
413 } else {
414 DBG_88E("station aid %d exceed the max number\n", psta->aid);
415 }
416 }
417
update_bmc_sta(struct adapter * padapter)418 static void update_bmc_sta(struct adapter *padapter)
419 {
420 u32 init_rate = 0;
421 unsigned char network_type, raid;
422 int i, supportRateNum = 0;
423 unsigned int tx_ra_bitmap = 0;
424 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
425 struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
426 struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
427
428 if (psta) {
429 psta->aid = 0;/* default set to 0 */
430 psta->mac_id = psta->aid + 1;
431
432 psta->qos_option = 0;
433 psta->htpriv.ht_option = false;
434
435 psta->ieee8021x_blocked = 0;
436
437 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
438
439 /* prepare for add_RATid */
440 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
441 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates);
442
443 memcpy(psta->bssrateset, &pcur_network->SupportedRates,
444 supportRateNum);
445 psta->bssratelen = supportRateNum;
446
447 /* b/g mode ra_bitmap */
448 for (i = 0; i < supportRateNum; i++) {
449 if (psta->bssrateset[i])
450 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
451 }
452
453 /* force to b mode */
454 network_type = WIRELESS_11B;
455 tx_ra_bitmap = 0xf;
456
457 raid = networktype_to_raid(network_type);
458 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) &
459 0x3f;
460
461 /* ap mode */
462 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
463
464 {
465 u8 arg = 0;
466
467 arg = psta->mac_id & 0x1f;
468 arg |= BIT(7);
469 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
470 DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__,
471 tx_ra_bitmap, arg);
472
473 /* bitmap[0:27] = tx_rate_bitmap */
474 /* bitmap[28:31]= Rate Adaptive id */
475 /* arg[0:4] = macid */
476 /* arg[5] = Short GI */
477 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
478 }
479 /* set ra_id, init_rate */
480 psta->raid = raid;
481 psta->init_rate = init_rate;
482
483 rtw_stassoc_hw_rpt(padapter, psta);
484
485 spin_lock_bh(&psta->lock);
486 psta->state = _FW_LINKED;
487 spin_unlock_bh(&psta->lock);
488
489 } else {
490 DBG_88E("add_RATid_bmc_sta error!\n");
491 }
492 }
493
494 /* notes: */
495 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
496 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
497 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
498 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
499 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
500
update_sta_info_apmode(struct adapter * padapter,struct sta_info * psta)501 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
502 {
503 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
504 struct security_priv *psecuritypriv = &padapter->securitypriv;
505 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
506 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
507 struct ht_priv *phtpriv_sta = &psta->htpriv;
508
509 psta->mac_id = psta->aid + 1;
510
511 /* ap mode */
512 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
513
514 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
515 psta->ieee8021x_blocked = true;
516 else
517 psta->ieee8021x_blocked = false;
518
519 /* update sta's cap */
520
521 /* ERP */
522 VCS_update(padapter, psta);
523 /* HT related cap */
524 if (phtpriv_sta->ht_option) {
525 /* check if sta supports rx ampdu */
526 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
527
528 /* check if sta support s Short GI */
529 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
530 phtpriv_ap->ht_cap.cap_info) &
531 (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
532 phtpriv_sta->sgi = true;
533
534 /* bwmode */
535 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
536 phtpriv_ap->ht_cap.cap_info) &
537 IEEE80211_HT_CAP_SUP_WIDTH_20_40) {
538 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
539 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
540 }
541 psta->qos_option = true;
542 } else {
543 phtpriv_sta->ampdu_enable = false;
544 phtpriv_sta->sgi = false;
545 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
546 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
547 }
548
549 /* Rx AMPDU */
550 send_delba(padapter, 0, psta->hwaddr);/* recipient */
551
552 /* TX AMPDU */
553 send_delba(padapter, 1, psta->hwaddr);/* originator */
554 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
555 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
556
557 /* todo: init other variables */
558
559 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
560
561 spin_lock_bh(&psta->lock);
562 psta->state |= _FW_LINKED;
563 spin_unlock_bh(&psta->lock);
564 }
565
update_hw_ht_param(struct adapter * padapter)566 static void update_hw_ht_param(struct adapter *padapter)
567 {
568 u8 max_ampdu_len;
569 u8 min_mpdu_spacing;
570 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
571 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
572
573 /* handle A-MPDU parameter field
574 * ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
575 * ampdu_params_info [4:2]:Min MPDU Start Spacing
576 */
577 max_ampdu_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
578 min_mpdu_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
579
580 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, &min_mpdu_spacing);
581 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, &max_ampdu_len);
582
583 /* Config SM Power Save setting */
584 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
585 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
586 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
587 }
588
start_bss_network(struct adapter * padapter,u8 * pbuf)589 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
590 {
591 u8 *p;
592 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
593 u16 bcn_interval;
594 u32 acparm;
595 uint ie_len;
596 struct registry_priv *pregpriv = &padapter->registrypriv;
597 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
598 struct security_priv *psecuritypriv = &padapter->securitypriv;
599 struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network;
600 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
601 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
602 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
603 struct HT_info_element *pht_info = NULL;
604
605 bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
606 cur_channel = pnetwork->Configuration.DSConfig;
607 cur_bwmode = HT_CHANNEL_WIDTH_20;
608 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
609
610 /* check if there is wps ie,
611 * if there is wpsie in beacon, the hostapd will update
612 * beacon twice when stating hostapd, and at first time the
613 * security ie (RSN/WPA IE) will not include in beacon.
614 */
615 if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
616 pmlmeext->bstart_bss = true;
617
618 /* todo: update wmm, ht cap */
619 if (pmlmepriv->qospriv.qos_option)
620 pmlmeinfo->WMM_enable = true;
621 if (pmlmepriv->htpriv.ht_option) {
622 pmlmeinfo->WMM_enable = true;
623 pmlmeinfo->HT_enable = true;
624
625 update_hw_ht_param(padapter);
626 }
627
628 /* setting only at first time */
629 if (!pmlmepriv->cur_network.join_res) {
630 /* WEP Key will be set before this function, do not
631 * clear CAM.
632 */
633 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
634 (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
635 flush_all_cam_entry(padapter); /* clear CAM */
636 }
637
638 /* set MSR to AP_Mode */
639 Set_MSR(padapter, _HW_STATE_AP_);
640
641 /* Set BSSID REG */
642 rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
643
644 /* Set EDCA param reg */
645 acparm = 0x002F3217; /* VO */
646 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
647 acparm = 0x005E4317; /* VI */
648 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
649 acparm = 0x005ea42b;
650 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
651 acparm = 0x0000A444; /* BK */
652 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
653
654 /* Set Security */
655 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
656 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
657
658 /* Beacon Control related register */
659 rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL,
660 (u8 *)(&bcn_interval));
661
662 UpdateBrateTbl(padapter, pnetwork->SupportedRates);
663 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
664
665 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
666 /* turn on all dynamic functions */
667 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
668 }
669 /* set channel, bwmode */
670 p = rtw_get_ie(pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie),
671 WLAN_EID_HT_OPERATION, &ie_len,
672 pnetwork->ie_length -
673 sizeof(struct ndis_802_11_fixed_ie));
674 if (p && ie_len) {
675 pht_info = (struct HT_info_element *)(p + 2);
676
677 if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
678 /* switch to the 40M Hz mode */
679 cur_bwmode = HT_CHANNEL_WIDTH_40;
680 switch (pht_info->infos[0] & 0x3) {
681 case 1:
682 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
683 break;
684 case 3:
685 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
686 break;
687 default:
688 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
689 break;
690 }
691 }
692 }
693 /* TODO: need to judge the phy parameters on concurrent
694 * mode for single phy
695 */
696 set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
697
698 DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
699 cur_ch_offset);
700
701 /* */
702 pmlmeext->cur_channel = cur_channel;
703 pmlmeext->cur_bwmode = cur_bwmode;
704 pmlmeext->cur_ch_offset = cur_ch_offset;
705 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
706
707 /* update cur_wireless_mode */
708 update_wireless_mode(padapter);
709
710 /* update capability after cur_wireless_mode updated */
711 update_capinfo(padapter, rtw_get_capability(pnetwork));
712
713 /* let pnetwork_mlmeext == pnetwork_mlme. */
714 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
715
716 if (pmlmeext->bstart_bss) {
717 update_beacon(padapter, WLAN_EID_TIM, NULL, false);
718
719 /* issue beacon frame */
720 if (send_beacon(padapter) == _FAIL)
721 DBG_88E("send_beacon, fail!\n");
722 }
723
724 /* update bc/mc sta_info */
725 update_bmc_sta(padapter);
726 }
727
rtw_check_beacon_data(struct adapter * padapter,u8 * pbuf,int len)728 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
729 {
730 int ret = _SUCCESS;
731 u8 *p;
732 u8 *pHT_caps_ie = NULL;
733 u8 *pHT_info_ie = NULL;
734 struct sta_info *psta = NULL;
735 u16 cap, ht_cap = false;
736 uint ie_len = 0;
737 int group_cipher, pairwise_cipher;
738 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
739 int supportRateNum = 0;
740 u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
741 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
742 struct registry_priv *pregistrypriv = &padapter->registrypriv;
743 struct security_priv *psecuritypriv = &padapter->securitypriv;
744 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
745 struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
746 u8 *ie = pbss_network->ies;
747
748 /* SSID */
749 /* Supported rates */
750 /* DS Params */
751 /* WLAN_EID_COUNTRY */
752 /* ERP Information element */
753 /* Extended supported rates */
754 /* WPA/WPA2 */
755 /* Wi-Fi Wireless Multimedia Extensions */
756 /* ht_capab, ht_oper */
757 /* WPS IE */
758
759 DBG_88E("%s, len =%d\n", __func__, len);
760
761 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
762 return _FAIL;
763
764 if (len < 0 || len > MAX_IE_SZ)
765 return _FAIL;
766
767 pbss_network->ie_length = len;
768
769 memset(ie, 0, MAX_IE_SZ);
770
771 memcpy(ie, pbuf, pbss_network->ie_length);
772
773 if (pbss_network->InfrastructureMode != Ndis802_11APMode)
774 return _FAIL;
775
776 pbss_network->Rssi = 0;
777
778 ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
779
780 /* beacon interval */
781 p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
782 pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
783
784 /* capability */
785 cap = get_unaligned_le16(ie);
786
787 /* SSID */
788 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_SSID, &ie_len,
789 pbss_network->ie_length - _BEACON_IE_OFFSET_);
790 if (p && ie_len > 0) {
791 ie_len = min_t(int, ie_len, sizeof(pbss_network->ssid.ssid));
792 memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid));
793 memcpy(pbss_network->ssid.ssid, p + 2, ie_len);
794 pbss_network->ssid.ssid_length = ie_len;
795 }
796
797 /* channel */
798 channel = 0;
799 pbss_network->Configuration.Length = 0;
800 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_DS_PARAMS, &ie_len,
801 (pbss_network->ie_length - _BEACON_IE_OFFSET_));
802 if (p && ie_len > 0)
803 channel = *(p + 2);
804
805 pbss_network->Configuration.DSConfig = channel;
806
807 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
808 /* get supported rates */
809 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES, &ie_len,
810 pbss_network->ie_length - _BEACON_IE_OFFSET_);
811 if (p) {
812 ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX);
813 memcpy(supportRate, p + 2, ie_len);
814 supportRateNum = ie_len;
815 }
816
817 /* get ext_supported rates */
818 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_EXT_SUPP_RATES,
819 &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_);
820 if (p) {
821 ie_len = min_t(int, ie_len,
822 NDIS_802_11_LENGTH_RATES_EX - supportRateNum);
823 memcpy(supportRate + supportRateNum, p + 2, ie_len);
824 supportRateNum += ie_len;
825 }
826
827 network_type = rtw_check_network_type(supportRate);
828
829 rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
830
831 /* parsing ERP_IE */
832 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &ie_len,
833 pbss_network->ie_length - _BEACON_IE_OFFSET_);
834 if (p && ie_len > 0)
835 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
836
837 /* update privacy/security */
838 if (cap & BIT(4))
839 pbss_network->Privacy = 1;
840 else
841 pbss_network->Privacy = 0;
842
843 psecuritypriv->wpa_psk = 0;
844
845 /* wpa2 */
846 group_cipher = 0;
847 pairwise_cipher = 0;
848 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
849 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
850 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len,
851 pbss_network->ie_length - _BEACON_IE_OFFSET_);
852 if (p && ie_len > 0) {
853 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
854 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
855
856 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
857 psecuritypriv->wpa_psk |= BIT(1);
858
859 psecuritypriv->wpa2_group_cipher = group_cipher;
860 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
861 }
862 }
863 /* wpa */
864 ie_len = 0;
865 group_cipher = 0;
866 pairwise_cipher = 0;
867 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
868 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
869 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
870 p = rtw_get_ie(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
871 pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2));
872 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
873 if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
874 &pairwise_cipher, NULL) == _SUCCESS) {
875 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
876
877 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
878
879 psecuritypriv->wpa_psk |= BIT(0);
880
881 psecuritypriv->wpa_group_cipher = group_cipher;
882 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
883 }
884 break;
885 }
886 if ((!p) || (ie_len == 0))
887 break;
888 }
889
890 /* wmm */
891 ie_len = 0;
892 pmlmepriv->qospriv.qos_option = 0;
893 if (pregistrypriv->wmm_enable) {
894 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
895 p = rtw_get_ie(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
896 pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2));
897 if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
898 pmlmepriv->qospriv.qos_option = 1;
899
900 /* QoS Info, support U-APSD */
901 *(p + 8) |= BIT(7);
902
903 /* disable all ACM bits since the WMM
904 * admission control is not supported
905 */
906 *(p + 10) &= ~BIT(4); /* BE */
907 *(p + 14) &= ~BIT(4); /* BK */
908 *(p + 18) &= ~BIT(4); /* VI */
909 *(p + 22) &= ~BIT(4); /* VO */
910 break;
911 }
912
913 if ((!p) || (ie_len == 0))
914 break;
915 }
916 }
917 /* parsing HT_CAP_IE */
918 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_CAPABILITY, &ie_len,
919 pbss_network->ie_length - _BEACON_IE_OFFSET_);
920 if (p && ie_len > 0) {
921 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
922
923 pHT_caps_ie = p;
924 ht_cap = true;
925 network_type |= WIRELESS_11_24N;
926
927 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
928 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
929 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07 << 2));
930 else
931 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
932
933 /* set Max Rx AMPDU size to 64K */
934 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
935
936 pht_cap->mcs.rx_mask[0] = 0xff;
937 pht_cap->mcs.rx_mask[1] = 0x0;
938 ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap));
939 memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len);
940 }
941
942 /* parsing HT_INFO_IE */
943 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_OPERATION, &ie_len,
944 pbss_network->ie_length - _BEACON_IE_OFFSET_);
945 if (p && ie_len > 0)
946 pHT_info_ie = p;
947 switch (network_type) {
948 case WIRELESS_11B:
949 pbss_network->NetworkTypeInUse = Ndis802_11DS;
950 break;
951 case WIRELESS_11G:
952 case WIRELESS_11BG:
953 case WIRELESS_11G_24N:
954 case WIRELESS_11BG_24N:
955 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
956 break;
957 case WIRELESS_11A:
958 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
959 break;
960 default:
961 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
962 break;
963 }
964
965 pmlmepriv->cur_network.network_type = network_type;
966
967 pmlmepriv->htpriv.ht_option = false;
968
969 if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
970 (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
971 /* todo: */
972 /* ht_cap = false; */
973 }
974
975 /* ht_cap */
976 if (pregistrypriv->ht_enable && ht_cap) {
977 pmlmepriv->htpriv.ht_option = true;
978 pmlmepriv->qospriv.qos_option = 1;
979
980 if (pregistrypriv->ampdu_enable == 1)
981 pmlmepriv->htpriv.ampdu_enable = true;
982 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
983
984 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
985 }
986
987 pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network);
988
989 /* issue beacon to start bss network */
990 start_bss_network(padapter, (u8 *)pbss_network);
991
992 /* alloc sta_info for ap itself */
993 psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
994 if (!psta) {
995 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
996 if (!psta)
997 return _FAIL;
998 }
999
1000 /* fix bug of flush_cam_entry at STOP AP mode */
1001 psta->state |= WIFI_AP_STATE;
1002 rtw_indicate_connect(padapter);
1003 pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1004 return ret;
1005 }
1006
rtw_set_macaddr_acl(struct adapter * padapter,int mode)1007 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1008 {
1009 struct sta_priv *pstapriv = &padapter->stapriv;
1010 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1011
1012 DBG_88E("%s, mode =%d\n", __func__, mode);
1013
1014 pacl_list->mode = mode;
1015 }
1016
rtw_acl_add_sta(struct adapter * padapter,u8 * addr)1017 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1018 {
1019 struct list_head *plist, *phead;
1020 u8 added = false;
1021 int i, ret = 0;
1022 struct rtw_wlan_acl_node *paclnode;
1023 struct sta_priv *pstapriv = &padapter->stapriv;
1024 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1025 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1026
1027 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1028
1029 if ((NUM_ACL - 1) < pacl_list->num)
1030 return -1;
1031
1032 spin_lock_bh(&pacl_node_q->lock);
1033
1034 phead = get_list_head(pacl_node_q);
1035 plist = phead->next;
1036
1037 while (phead != plist) {
1038 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1039 plist = plist->next;
1040
1041 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1042 if (paclnode->valid) {
1043 added = true;
1044 DBG_88E("%s, sta has been added\n", __func__);
1045 break;
1046 }
1047 }
1048 }
1049
1050 spin_unlock_bh(&pacl_node_q->lock);
1051
1052 if (added)
1053 return ret;
1054
1055 spin_lock_bh(&pacl_node_q->lock);
1056
1057 for (i = 0; i < NUM_ACL; i++) {
1058 paclnode = &pacl_list->aclnode[i];
1059
1060 if (!paclnode->valid) {
1061 INIT_LIST_HEAD(&paclnode->list);
1062
1063 ether_addr_copy(paclnode->addr, addr);
1064
1065 paclnode->valid = true;
1066
1067 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1068
1069 pacl_list->num++;
1070
1071 break;
1072 }
1073 }
1074
1075 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1076
1077 spin_unlock_bh(&pacl_node_q->lock);
1078
1079 return ret;
1080 }
1081
rtw_acl_remove_sta(struct adapter * padapter,u8 * addr)1082 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1083 {
1084 struct list_head *plist, *phead;
1085 struct rtw_wlan_acl_node *paclnode;
1086 struct sta_priv *pstapriv = &padapter->stapriv;
1087 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1088 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1089
1090 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1091
1092 spin_lock_bh(&pacl_node_q->lock);
1093
1094 phead = get_list_head(pacl_node_q);
1095 plist = phead->next;
1096
1097 while (phead != plist) {
1098 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1099 plist = plist->next;
1100
1101 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1102 if (paclnode->valid) {
1103 paclnode->valid = false;
1104
1105 list_del_init(&paclnode->list);
1106
1107 pacl_list->num--;
1108 }
1109 }
1110 }
1111
1112 spin_unlock_bh(&pacl_node_q->lock);
1113
1114 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1115 return 0;
1116 }
1117
update_bcn_erpinfo_ie(struct adapter * padapter)1118 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1119 {
1120 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1121 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1122 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1123 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1124 unsigned char *p, *ie = pnetwork->ies;
1125 u32 len = 0;
1126
1127 DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1128
1129 if (!pmlmeinfo->ERP_enable)
1130 return;
1131
1132 /* parsing ERP_IE */
1133 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &len,
1134 (pnetwork->ie_length - _BEACON_IE_OFFSET_));
1135 if (p && len > 0) {
1136 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1137
1138 if (pmlmepriv->num_sta_non_erp == 1)
1139 pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT |
1140 RTW_ERP_INFO_USE_PROTECTION;
1141 else
1142 pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT |
1143 RTW_ERP_INFO_USE_PROTECTION);
1144
1145 if (pmlmepriv->num_sta_no_short_preamble > 0)
1146 pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1147 else
1148 pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1149
1150 ERP_IE_handler(padapter, pIE);
1151 }
1152 }
1153
update_bcn_wps_ie(struct adapter * padapter)1154 static void update_bcn_wps_ie(struct adapter *padapter)
1155 {
1156 u8 *pwps_ie = NULL, *pwps_ie_src;
1157 u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1158 uint wps_ielen = 0, wps_offset, remainder_ielen;
1159 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1160 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1161 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1162 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1163 unsigned char *ie = pnetwork->ies;
1164 u32 ielen = pnetwork->ie_length;
1165
1166 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1167 if (!pwps_ie_src)
1168 return;
1169
1170 pwps_ie = rtw_get_wps_ie(ie + _FIXED_IE_LENGTH_,
1171 ielen - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
1172
1173 if (!pwps_ie || wps_ielen == 0)
1174 return;
1175
1176 wps_offset = (uint)(pwps_ie - ie);
1177
1178 premainder_ie = pwps_ie + wps_ielen;
1179
1180 remainder_ielen = ielen - wps_offset - wps_ielen;
1181
1182 if (remainder_ielen > 0) {
1183 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1184 if (pbackup_remainder_ie)
1185 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1186 }
1187
1188 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1189 if (wps_offset + wps_ielen + 2 + remainder_ielen <= MAX_IE_SZ) {
1190 memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2);
1191 pwps_ie += wps_ielen + 2;
1192
1193 if (pbackup_remainder_ie)
1194 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1195
1196 /* update ie_length */
1197 pnetwork->ie_length = wps_offset + wps_ielen + 2 + remainder_ielen;
1198 }
1199
1200 kfree(pbackup_remainder_ie);
1201 }
1202
update_bcn_vendor_spec_ie(struct adapter * padapter,u8 * oui)1203 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1204 {
1205
1206 if (!memcmp(WPS_OUI, oui, 4))
1207 update_bcn_wps_ie(padapter);
1208 else
1209 DBG_88E("unknown OUI type!\n");
1210 }
1211
update_beacon(struct adapter * padapter,u8 ie_id,u8 * oui,u8 tx)1212 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1213 {
1214 struct mlme_priv *pmlmepriv;
1215 struct mlme_ext_priv *pmlmeext;
1216
1217 if (!padapter)
1218 return;
1219
1220 pmlmepriv = &padapter->mlmepriv;
1221 pmlmeext = &padapter->mlmeextpriv;
1222
1223 if (!pmlmeext->bstart_bss)
1224 return;
1225
1226 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1227
1228 switch (ie_id) {
1229 case WLAN_EID_TIM:
1230 update_BCNTIM(padapter);
1231 break;
1232 case WLAN_EID_ERP_INFO:
1233 update_bcn_erpinfo_ie(padapter);
1234 break;
1235 case WLAN_EID_VENDOR_SPECIFIC:
1236 update_bcn_vendor_spec_ie(padapter, oui);
1237 break;
1238 default:
1239 break;
1240 }
1241
1242 pmlmepriv->update_bcn = true;
1243
1244 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1245
1246 if (tx)
1247 set_tx_beacon_cmd(padapter);
1248 }
1249
1250 /*
1251 * op_mode
1252 * Set to 0 (HT pure) under the following conditions
1253 * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1254 * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1255 * Set to 1 (HT non-member protection) if there may be non-HT STAs
1256 * in both the primary and the secondary channel
1257 * Set to 2 if only HT STAs are associated in BSS,
1258 * however and at least one 20 MHz HT STA is associated
1259 * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1260 * (currently non-GF HT station is considered as non-HT STA also)
1261 */
rtw_ht_operation_update(struct adapter * padapter)1262 static int rtw_ht_operation_update(struct adapter *padapter)
1263 {
1264 u16 cur_op_mode, new_op_mode;
1265 int op_mode_changes = 0;
1266 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1267 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1268
1269 if (pmlmepriv->htpriv.ht_option)
1270 return 0;
1271
1272 DBG_88E("%s current operation mode = 0x%X\n",
1273 __func__, pmlmepriv->ht_op_mode);
1274
1275 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1276 pmlmepriv->num_sta_ht_no_gf) {
1277 pmlmepriv->ht_op_mode |=
1278 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1279 op_mode_changes++;
1280 } else if ((pmlmepriv->ht_op_mode &
1281 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1282 pmlmepriv->num_sta_ht_no_gf == 0) {
1283 pmlmepriv->ht_op_mode &=
1284 ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1285 op_mode_changes++;
1286 }
1287
1288 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1289 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1290 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1291 op_mode_changes++;
1292 } else if ((pmlmepriv->ht_op_mode &
1293 HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1294 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1295 pmlmepriv->ht_op_mode &=
1296 ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1297 op_mode_changes++;
1298 }
1299
1300 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1301 * station is associated. Probably it's a theoretical case, since
1302 * it looks like all known HT STAs support greenfield.
1303 */
1304 new_op_mode = 0;
1305 if (pmlmepriv->num_sta_no_ht ||
1306 (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1307 new_op_mode = OP_MODE_MIXED;
1308 else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1309 IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
1310 pmlmepriv->num_sta_ht_20mhz)
1311 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1312 else if (pmlmepriv->olbc_ht)
1313 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1314 else
1315 new_op_mode = OP_MODE_PURE;
1316
1317 cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1318 if (cur_op_mode != new_op_mode) {
1319 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1320 pmlmepriv->ht_op_mode |= new_op_mode;
1321 op_mode_changes++;
1322 }
1323
1324 DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1325 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1326
1327 return op_mode_changes;
1328 }
1329
associated_clients_update(struct adapter * padapter,u8 updated)1330 void associated_clients_update(struct adapter *padapter, u8 updated)
1331 {
1332 /* update associated stations cap. */
1333 if (updated) {
1334 struct list_head *phead, *plist;
1335 struct sta_info *psta = NULL;
1336 struct sta_priv *pstapriv = &padapter->stapriv;
1337
1338 spin_lock_bh(&pstapriv->asoc_list_lock);
1339
1340 phead = &pstapriv->asoc_list;
1341 plist = phead->next;
1342
1343 /* check asoc_queue */
1344 while (phead != plist) {
1345 psta = container_of(plist, struct sta_info, asoc_list);
1346
1347 plist = plist->next;
1348
1349 VCS_update(padapter, psta);
1350 }
1351 spin_unlock_bh(&pstapriv->asoc_list_lock);
1352 }
1353 }
1354
1355 /* called > TSR LEVEL for USB or SDIO Interface*/
bss_cap_update_on_sta_join(struct adapter * padapter,struct sta_info * psta)1356 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1357 {
1358 u8 beacon_updated = false;
1359 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1360 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1361
1362 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1363 if (!psta->no_short_preamble_set) {
1364 psta->no_short_preamble_set = 1;
1365
1366 pmlmepriv->num_sta_no_short_preamble++;
1367
1368 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1369 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1370 beacon_updated = true;
1371 update_beacon(padapter, 0xFF, NULL, true);
1372 }
1373 }
1374 } else {
1375 if (psta->no_short_preamble_set) {
1376 psta->no_short_preamble_set = 0;
1377
1378 pmlmepriv->num_sta_no_short_preamble--;
1379
1380 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1381 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1382 beacon_updated = true;
1383 update_beacon(padapter, 0xFF, NULL, true);
1384 }
1385 }
1386 }
1387
1388 if (psta->flags & WLAN_STA_NONERP) {
1389 if (!psta->nonerp_set) {
1390 psta->nonerp_set = 1;
1391
1392 pmlmepriv->num_sta_non_erp++;
1393
1394 if (pmlmepriv->num_sta_non_erp == 1) {
1395 beacon_updated = true;
1396 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1397 }
1398 }
1399 } else {
1400 if (psta->nonerp_set) {
1401 psta->nonerp_set = 0;
1402
1403 pmlmepriv->num_sta_non_erp--;
1404
1405 if (pmlmepriv->num_sta_non_erp == 0) {
1406 beacon_updated = true;
1407 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1408 }
1409 }
1410 }
1411
1412 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1413 if (!psta->no_short_slot_time_set) {
1414 psta->no_short_slot_time_set = 1;
1415
1416 pmlmepriv->num_sta_no_short_slot_time++;
1417
1418 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1419 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1420 beacon_updated = true;
1421 update_beacon(padapter, 0xFF, NULL, true);
1422 }
1423 }
1424 } else {
1425 if (psta->no_short_slot_time_set) {
1426 psta->no_short_slot_time_set = 0;
1427
1428 pmlmepriv->num_sta_no_short_slot_time--;
1429
1430 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1431 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1432 beacon_updated = true;
1433 update_beacon(padapter, 0xFF, NULL, true);
1434 }
1435 }
1436 }
1437
1438 if (psta->flags & WLAN_STA_HT) {
1439 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1440
1441 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1442 (psta->hwaddr), ht_capab);
1443
1444 if (psta->no_ht_set) {
1445 psta->no_ht_set = 0;
1446 pmlmepriv->num_sta_no_ht--;
1447 }
1448
1449 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1450 if (!psta->no_ht_gf_set) {
1451 psta->no_ht_gf_set = 1;
1452 pmlmepriv->num_sta_ht_no_gf++;
1453 }
1454 DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1455 __func__, (psta->hwaddr),
1456 pmlmepriv->num_sta_ht_no_gf);
1457 }
1458
1459 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1460 if (!psta->ht_20mhz_set) {
1461 psta->ht_20mhz_set = 1;
1462 pmlmepriv->num_sta_ht_20mhz++;
1463 }
1464 DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1465 __func__, (psta->hwaddr),
1466 pmlmepriv->num_sta_ht_20mhz);
1467 }
1468 } else {
1469 if (!psta->no_ht_set) {
1470 psta->no_ht_set = 1;
1471 pmlmepriv->num_sta_no_ht++;
1472 }
1473 if (pmlmepriv->htpriv.ht_option) {
1474 DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1475 __func__, (psta->hwaddr),
1476 pmlmepriv->num_sta_no_ht);
1477 }
1478 }
1479
1480 if (rtw_ht_operation_update(padapter) > 0) {
1481 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1482 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1483 }
1484
1485 /* update associated stations cap. */
1486 associated_clients_update(padapter, beacon_updated);
1487
1488 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1489 }
1490
bss_cap_update_on_sta_leave(struct adapter * padapter,struct sta_info * psta)1491 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1492 {
1493 u8 beacon_updated = false;
1494 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1495 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1496
1497 if (!psta)
1498 return beacon_updated;
1499
1500 if (psta->no_short_preamble_set) {
1501 psta->no_short_preamble_set = 0;
1502 pmlmepriv->num_sta_no_short_preamble--;
1503 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1504 pmlmepriv->num_sta_no_short_preamble == 0) {
1505 beacon_updated = true;
1506 update_beacon(padapter, 0xFF, NULL, true);
1507 }
1508 }
1509
1510 if (psta->nonerp_set) {
1511 psta->nonerp_set = 0;
1512 pmlmepriv->num_sta_non_erp--;
1513 if (pmlmepriv->num_sta_non_erp == 0) {
1514 beacon_updated = true;
1515 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1516 }
1517 }
1518
1519 if (psta->no_short_slot_time_set) {
1520 psta->no_short_slot_time_set = 0;
1521 pmlmepriv->num_sta_no_short_slot_time--;
1522 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1523 pmlmepriv->num_sta_no_short_slot_time == 0) {
1524 beacon_updated = true;
1525 update_beacon(padapter, 0xFF, NULL, true);
1526 }
1527 }
1528
1529 if (psta->no_ht_gf_set) {
1530 psta->no_ht_gf_set = 0;
1531 pmlmepriv->num_sta_ht_no_gf--;
1532 }
1533
1534 if (psta->no_ht_set) {
1535 psta->no_ht_set = 0;
1536 pmlmepriv->num_sta_no_ht--;
1537 }
1538
1539 if (psta->ht_20mhz_set) {
1540 psta->ht_20mhz_set = 0;
1541 pmlmepriv->num_sta_ht_20mhz--;
1542 }
1543
1544 if (rtw_ht_operation_update(padapter) > 0) {
1545 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1546 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1547 }
1548
1549 /* update associated stations cap. */
1550
1551 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1552
1553 return beacon_updated;
1554 }
1555
ap_free_sta(struct adapter * padapter,struct sta_info * psta,bool active,u16 reason)1556 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1557 bool active, u16 reason)
1558 {
1559 u8 beacon_updated = false;
1560 struct sta_priv *pstapriv = &padapter->stapriv;
1561
1562 if (!psta)
1563 return beacon_updated;
1564
1565 /* tear down Rx AMPDU */
1566 send_delba(padapter, 0, psta->hwaddr);/* recipient */
1567
1568 /* tear down TX AMPDU */
1569 send_delba(padapter, 1, psta->hwaddr);/* originator */
1570 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1571 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1572
1573 if (active)
1574 issue_deauth(padapter, psta->hwaddr, reason);
1575
1576 /* clear cam entry / key */
1577 rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1578
1579 spin_lock_bh(&psta->lock);
1580 psta->state &= ~_FW_LINKED;
1581 spin_unlock_bh(&psta->lock);
1582
1583 rtw_indicate_sta_disassoc_event(padapter, psta);
1584
1585 report_del_sta_event(padapter, psta->hwaddr, reason);
1586
1587 beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1588
1589 spin_lock_bh(&pstapriv->sta_hash_lock);
1590 rtw_free_stainfo(padapter, psta);
1591 spin_unlock_bh(&pstapriv->sta_hash_lock);
1592
1593 return beacon_updated;
1594 }
1595
rtw_sta_flush(struct adapter * padapter)1596 int rtw_sta_flush(struct adapter *padapter)
1597 {
1598 struct list_head *phead, *plist;
1599 struct sta_info *psta = NULL;
1600 struct sta_priv *pstapriv = &padapter->stapriv;
1601 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1602 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1603 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1604
1605 DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1606
1607 if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1608 return 0;
1609
1610 spin_lock_bh(&pstapriv->asoc_list_lock);
1611 phead = &pstapriv->asoc_list;
1612 plist = phead->next;
1613
1614 /* free sta asoc_queue */
1615 while (phead != plist) {
1616 psta = container_of(plist, struct sta_info, asoc_list);
1617
1618 plist = plist->next;
1619
1620 list_del_init(&psta->asoc_list);
1621 pstapriv->asoc_list_cnt--;
1622
1623 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1624 }
1625 spin_unlock_bh(&pstapriv->asoc_list_lock);
1626
1627 issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1628
1629 associated_clients_update(padapter, true);
1630
1631 return 0;
1632 }
1633
1634 /* called > TSR LEVEL for USB or SDIO Interface*/
sta_info_update(struct adapter * padapter,struct sta_info * psta)1635 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1636 {
1637 int flags = psta->flags;
1638 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1639
1640 /* update wmm cap. */
1641 if (WLAN_STA_WME & flags)
1642 psta->qos_option = 1;
1643 else
1644 psta->qos_option = 0;
1645
1646 if (pmlmepriv->qospriv.qos_option == 0)
1647 psta->qos_option = 0;
1648
1649 /* update 802.11n ht cap. */
1650 if (WLAN_STA_HT & flags) {
1651 psta->htpriv.ht_option = true;
1652 psta->qos_option = 1;
1653 } else {
1654 psta->htpriv.ht_option = false;
1655 }
1656
1657 if (!pmlmepriv->htpriv.ht_option)
1658 psta->htpriv.ht_option = false;
1659
1660 update_sta_info_apmode(padapter, psta);
1661 }
1662
1663 /* called >= TSR LEVEL for USB or SDIO Interface*/
ap_sta_info_defer_update(struct adapter * padapter,struct sta_info * psta)1664 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1665 {
1666 if (psta->state & _FW_LINKED) {
1667 /* add ratid */
1668 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1669 }
1670 }
1671
start_ap_mode(struct adapter * padapter)1672 void start_ap_mode(struct adapter *padapter)
1673 {
1674 int i;
1675 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1676 struct sta_priv *pstapriv = &padapter->stapriv;
1677 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1678 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1679
1680 pmlmepriv->update_bcn = false;
1681
1682 pmlmeext->bstart_bss = false;
1683
1684 pmlmepriv->num_sta_non_erp = 0;
1685
1686 pmlmepriv->num_sta_no_short_slot_time = 0;
1687
1688 pmlmepriv->num_sta_no_short_preamble = 0;
1689
1690 pmlmepriv->num_sta_ht_no_gf = 0;
1691 pmlmepriv->num_sta_no_ht = 0;
1692 pmlmepriv->num_sta_ht_20mhz = 0;
1693
1694 pmlmepriv->olbc = false;
1695
1696 pmlmepriv->olbc_ht = false;
1697
1698 pmlmepriv->ht_op_mode = 0;
1699
1700 for (i = 0; i < NUM_STA; i++)
1701 pstapriv->sta_aid[i] = NULL;
1702
1703 pmlmepriv->wps_beacon_ie = NULL;
1704 pmlmepriv->wps_probe_resp_ie = NULL;
1705 pmlmepriv->wps_assoc_resp_ie = NULL;
1706
1707 /* for ACL */
1708 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1709 pacl_list->num = 0;
1710 pacl_list->mode = 0;
1711 for (i = 0; i < NUM_ACL; i++) {
1712 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1713 pacl_list->aclnode[i].valid = false;
1714 }
1715 }
1716
stop_ap_mode(struct adapter * padapter)1717 void stop_ap_mode(struct adapter *padapter)
1718 {
1719 struct list_head *phead, *plist;
1720 struct rtw_wlan_acl_node *paclnode;
1721 struct sta_info *psta = NULL;
1722 struct sta_priv *pstapriv = &padapter->stapriv;
1723 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1724 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1725 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1726 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1727
1728 pmlmepriv->update_bcn = false;
1729 pmlmeext->bstart_bss = false;
1730
1731 /* reset and init security priv , this can refine with
1732 * rtw_reset_securitypriv
1733 */
1734 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1735 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1736 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1737
1738 /* for ACL */
1739 spin_lock_bh(&pacl_node_q->lock);
1740 phead = get_list_head(pacl_node_q);
1741 plist = phead->next;
1742 while (phead != plist) {
1743 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1744 plist = plist->next;
1745
1746 if (paclnode->valid) {
1747 paclnode->valid = false;
1748
1749 list_del_init(&paclnode->list);
1750
1751 pacl_list->num--;
1752 }
1753 }
1754 spin_unlock_bh(&pacl_node_q->lock);
1755
1756 DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1757
1758 rtw_sta_flush(padapter);
1759
1760 /* free_assoc_sta_resources */
1761 rtw_free_all_stainfo(padapter);
1762
1763 psta = rtw_get_bcmc_stainfo(padapter);
1764 spin_lock_bh(&pstapriv->sta_hash_lock);
1765 rtw_free_stainfo(padapter, psta);
1766 spin_unlock_bh(&pstapriv->sta_hash_lock);
1767
1768 rtw_init_bcmc_stainfo(padapter);
1769
1770 rtw_free_mlme_priv_ie_data(pmlmepriv);
1771 }
1772
1773 #endif /* CONFIG_88EU_AP_MODE */
1774