1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 ******************************************************************************/
15 #define _RTW_AP_C_
16
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <linux/ieee80211.h>
20 #include <wifi.h>
21 #include <rtl8723a_cmd.h>
22 #include <rtl8723a_hal.h>
23 #include <asm/unaligned.h>
24 #include <rtw_mlme_ext.h>
25
init_mlme_ap_info23a(struct rtw_adapter * padapter)26 void init_mlme_ap_info23a(struct rtw_adapter *padapter)
27 {
28 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
29 struct sta_priv *pstapriv = &padapter->stapriv;
30 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
31
32 spin_lock_init(&pmlmepriv->bcn_update_lock);
33
34 /* for ACL */
35 _rtw_init_queue23a(&pacl_list->acl_node_q);
36
37 start_ap_mode23a(padapter);
38 }
39
free_mlme_ap_info23a(struct rtw_adapter * padapter)40 void free_mlme_ap_info23a(struct rtw_adapter *padapter)
41 {
42 struct sta_info *psta = NULL;
43 struct sta_priv *pstapriv = &padapter->stapriv;
44 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
45 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
46 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
47
48 pmlmepriv->update_bcn = false;
49 pmlmeext->bstart_bss = false;
50
51 rtw_sta_flush23a(padapter);
52
53 pmlmeinfo->state = MSR_NOLINK;
54
55 /* free_assoc_sta_resources */
56 rtw_free_all_stainfo23a(padapter);
57
58 /* free bc/mc sta_info */
59 psta = rtw_get_bcmc_stainfo23a(padapter);
60 spin_lock_bh(&pstapriv->sta_hash_lock);
61 rtw_free_stainfo23a(padapter, psta);
62 spin_unlock_bh(&pstapriv->sta_hash_lock);
63 }
64
update_BCNTIM(struct rtw_adapter * padapter)65 static void update_BCNTIM(struct rtw_adapter *padapter)
66 {
67 struct sta_priv *pstapriv = &padapter->stapriv;
68 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
69 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
70 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
71 unsigned char *pie = pnetwork_mlmeext->IEs;
72 u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
73 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
74
75 p = rtw_get_ie23a(pie, WLAN_EID_TIM, &tim_ielen,
76 pnetwork_mlmeext->IELength);
77 if (p != NULL && tim_ielen > 0) {
78 tim_ielen += 2;
79
80 premainder_ie = p+tim_ielen;
81
82 tim_ie_offset = (int)(p - pie);
83
84 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
85
86 /* append TIM IE from dst_ie offset */
87 dst_ie = p;
88 } else {
89 tim_ielen = 0;
90
91 /* calculate head_len */
92 offset = 0;
93
94 /* get ssid_ie len */
95 p = rtw_get_ie23a(pie, WLAN_EID_SSID,
96 &tmp_len, pnetwork_mlmeext->IELength);
97 if (p != NULL)
98 offset += tmp_len+2;
99
100 /* get supported rates len */
101 p = rtw_get_ie23a(pie, WLAN_EID_SUPP_RATES,
102 &tmp_len, pnetwork_mlmeext->IELength);
103 if (p != NULL)
104 offset += tmp_len+2;
105
106 /* DS Parameter Set IE, len = 3 */
107 offset += 3;
108
109 premainder_ie = pie + offset;
110
111 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
112
113 /* append TIM IE from offset */
114 dst_ie = pie + offset;
115 }
116
117 if (remainder_ielen > 0) {
118 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
119 if (pbackup_remainder_ie && premainder_ie)
120 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
121 }
122
123 *dst_ie++ = WLAN_EID_TIM;
124
125 if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
126 tim_ielen = 5;
127 else
128 tim_ielen = 4;
129
130 *dst_ie++ = tim_ielen;
131
132 *dst_ie++ = 0; /* DTIM count */
133 *dst_ie++ = 1; /* DTIM period */
134
135 if (pstapriv->tim_bitmap & BIT(0)) /* for bc/mc frames */
136 *dst_ie++ = BIT(0); /* bitmap ctrl */
137 else
138 *dst_ie++ = 0;
139
140 if (tim_ielen == 4) {
141 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
142 } else if (tim_ielen == 5) {
143 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
144 dst_ie += 2;
145 }
146
147 /* copy remainder IE */
148 if (pbackup_remainder_ie) {
149 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
150
151 kfree(pbackup_remainder_ie);
152 }
153
154 offset = (uint)(dst_ie - pie);
155 pnetwork_mlmeext->IELength = offset + remainder_ielen;
156
157 set_tx_beacon_cmd23a(padapter);
158 }
159
chk_sta_is_alive(struct sta_info * psta)160 static u8 chk_sta_is_alive(struct sta_info *psta)
161 {
162 u8 ret = false;
163
164 if ((psta->sta_stats.last_rx_data_pkts +
165 psta->sta_stats.last_rx_ctrl_pkts) !=
166 (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
167 ret = true;
168
169 sta_update_last_rx_pkts(psta);
170
171 return ret;
172 }
173
expire_timeout_chk23a(struct rtw_adapter * padapter)174 void expire_timeout_chk23a(struct rtw_adapter *padapter)
175 {
176 struct list_head *phead, *plist, *ptmp;
177 u8 updated = 0;
178 struct sta_info *psta;
179 struct sta_priv *pstapriv = &padapter->stapriv;
180 u8 chk_alive_num = 0;
181 struct sta_info *chk_alive_list[NUM_STA];
182 int i;
183
184 spin_lock_bh(&pstapriv->auth_list_lock);
185
186 phead = &pstapriv->auth_list;
187
188 /* check auth_queue */
189 list_for_each_safe(plist, ptmp, phead) {
190 psta = container_of(plist, struct sta_info, auth_list);
191
192 if (psta->expire_to > 0) {
193 psta->expire_to--;
194 if (psta->expire_to == 0) {
195 list_del_init(&psta->auth_list);
196 pstapriv->auth_list_cnt--;
197
198 DBG_8723A("auth expire %pM\n", psta->hwaddr);
199
200 spin_unlock_bh(&pstapriv->auth_list_lock);
201
202 spin_lock_bh(&pstapriv->sta_hash_lock);
203 rtw_free_stainfo23a(padapter, psta);
204 spin_unlock_bh(&pstapriv->sta_hash_lock);
205
206 spin_lock_bh(&pstapriv->auth_list_lock);
207 }
208 }
209
210 }
211
212 spin_unlock_bh(&pstapriv->auth_list_lock);
213
214 spin_lock_bh(&pstapriv->asoc_list_lock);
215
216 phead = &pstapriv->asoc_list;
217
218 /* check asoc_queue */
219 list_for_each_safe(plist, ptmp, phead) {
220 psta = container_of(plist, struct sta_info, asoc_list);
221
222 if (chk_sta_is_alive(psta) || !psta->expire_to) {
223 psta->expire_to = pstapriv->expire_to;
224 psta->keep_alive_trycnt = 0;
225 } else {
226 psta->expire_to--;
227 }
228
229 if (psta->expire_to <= 0) {
230 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
231
232 if (padapter->registrypriv.wifi_spec == 1) {
233 psta->expire_to = pstapriv->expire_to;
234 continue;
235 }
236
237 if (psta->state & WIFI_SLEEP_STATE) {
238 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
239 /*
240 * check if alive by another method
241 * if station is at ps mode.
242 */
243 psta->expire_to = pstapriv->expire_to;
244 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
245 /*
246 * update bcn with tim_bitmap
247 * for this station
248 */
249 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
250 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
251
252 if (!pmlmeext->active_keep_alive_check)
253 continue;
254 }
255 }
256
257 if (pmlmeext->active_keep_alive_check) {
258 chk_alive_list[chk_alive_num++] = psta;
259 continue;
260 }
261
262 list_del_init(&psta->asoc_list);
263 pstapriv->asoc_list_cnt--;
264
265 DBG_8723A("asoc expire %pM, state = 0x%x\n",
266 psta->hwaddr, psta->state);
267 updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
268 } else {
269 /*
270 * TODO: Aging mechanism to digest frames in
271 * sleep_q to avoid running out of xmitframe
272 */
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 ) {
276 DBG_8723A("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n",
277 __func__,
278 psta->hwaddr,
279 psta->sleepq_len,
280 padapter->xmitpriv.free_xmitframe_cnt,
281 pstapriv->asoc_list_cnt);
282 wakeup_sta_to_xmit23a(padapter, psta);
283 }
284 }
285 }
286
287 spin_unlock_bh(&pstapriv->asoc_list_lock);
288
289 if (chk_alive_num) {
290
291 u8 backup_oper_channel = 0;
292 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
293 /*
294 * switch to correct channel of current
295 * network before issue keep-alive frames
296 */
297 if (rtw_get_oper_ch23a(padapter) != pmlmeext->cur_channel) {
298 backup_oper_channel = rtw_get_oper_ch23a(padapter);
299 SelectChannel23a(padapter, pmlmeext->cur_channel);
300 }
301
302 /* issue null data to check sta alive */
303 for (i = 0; i < chk_alive_num; i++) {
304
305 int ret = _FAIL;
306
307 psta = chk_alive_list[i];
308 if (!(psta->state & _FW_LINKED))
309 continue;
310
311 if (psta->state & WIFI_SLEEP_STATE)
312 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 1, 50);
313 else
314 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 3, 50);
315
316 psta->keep_alive_trycnt++;
317 if (ret == _SUCCESS) {
318 DBG_8723A("asoc check, sta(%pM) is alive\n",
319 psta->hwaddr);
320 psta->expire_to = pstapriv->expire_to;
321 psta->keep_alive_trycnt = 0;
322 continue;
323 } else if (psta->keep_alive_trycnt <= 3) {
324 DBG_8723A("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
325 psta->expire_to = 1;
326 continue;
327 }
328
329 psta->keep_alive_trycnt = 0;
330
331 DBG_8723A("asoc expire %pM, state = 0x%x\n",
332 psta->hwaddr, psta->state);
333 spin_lock_bh(&pstapriv->asoc_list_lock);
334 if (!list_empty(&psta->asoc_list)) {
335 list_del_init(&psta->asoc_list);
336 pstapriv->asoc_list_cnt--;
337 updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
338 }
339 spin_unlock_bh(&pstapriv->asoc_list_lock);
340
341 }
342
343 if (backup_oper_channel > 0) /* back to original operation channel */
344 SelectChannel23a(padapter, backup_oper_channel);
345 }
346
347 associated_clients_update23a(padapter, updated);
348 }
349
add_RATid23a(struct rtw_adapter * padapter,struct sta_info * psta,u8 rssi_level)350 void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level)
351 {
352 int i;
353 u8 rf_type;
354 u32 init_rate = 0;
355 unsigned char sta_band = 0, raid, shortGIrate = false;
356 unsigned char limit;
357 unsigned int tx_ra_bitmap = 0;
358 struct ht_priv *psta_ht = NULL;
359 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
360 struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
361
362 if (psta)
363 psta_ht = &psta->htpriv;
364 else
365 return;
366
367 if (!(psta->state & _FW_LINKED))
368 return;
369
370 /* b/g mode ra_bitmap */
371 for (i = 0; i < sizeof(psta->bssrateset); i++) {
372 if (psta->bssrateset[i])
373 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
374 }
375 /* n mode ra_bitmap */
376 if (psta_ht->ht_option) {
377 rf_type = rtl8723a_get_rf_type(padapter);
378
379 if (rf_type == RF_2T2R)
380 limit = 16; /* 2R */
381 else
382 limit = 8; /* 1R */
383
384 for (i = 0; i < limit; i++) {
385 if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
386 tx_ra_bitmap |= BIT(i + 12);
387 }
388
389 /* max short GI rate */
390 shortGIrate = psta_ht->sgi;
391 }
392
393 if (pcur_network->DSConfig > 14) {
394 /* 5G band */
395 if (tx_ra_bitmap & 0xffff000)
396 sta_band |= WIRELESS_11_5N | WIRELESS_11A;
397 else
398 sta_band |= WIRELESS_11A;
399 } else {
400 if (tx_ra_bitmap & 0xffff000)
401 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
402 else if (tx_ra_bitmap & 0xff0)
403 sta_band |= WIRELESS_11G | WIRELESS_11B;
404 else
405 sta_band |= WIRELESS_11B;
406 }
407
408 psta->wireless_mode = sta_band;
409
410 raid = networktype_to_raid23a(sta_band);
411 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
412
413 if (psta->aid < NUM_STA) {
414 u8 arg;
415
416 arg = psta->mac_id&0x1f;
417
418 arg |= BIT(7); /* support entry 2~31 */
419
420 if (shortGIrate == true)
421 arg |= BIT(5);
422
423 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
424
425 DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = "
426 "0x%x\n",
427 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
428
429 /* bitmap[0:27] = tx_rate_bitmap */
430 /* bitmap[28:31]= Rate Adaptive id */
431 /* arg[0:4] = macid */
432 /* arg[5] = Short GI */
433 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level);
434
435 if (shortGIrate == true)
436 init_rate |= BIT(6);
437
438 /* set ra_id, init_rate */
439 psta->raid = raid;
440 psta->init_rate = init_rate;
441
442 } else
443 DBG_8723A("station aid %d exceed the max number\n", psta->aid);
444 }
445
update_bmc_sta(struct rtw_adapter * padapter)446 static void update_bmc_sta(struct rtw_adapter *padapter)
447 {
448 u32 init_rate = 0;
449 unsigned char network_type, raid;
450 int i, supportRateNum = 0;
451 unsigned int tx_ra_bitmap = 0;
452 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
453 struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
454 struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter);
455
456 if (psta) {
457 psta->aid = 0; /* default set to 0 */
458 psta->mac_id = psta->aid + 1;
459
460 psta->qos_option = 0;
461 psta->htpriv.ht_option = false;
462
463 psta->ieee8021x_blocked = 0;
464
465 memset((void *)&psta->sta_stats, 0,
466 sizeof(struct stainfo_stats));
467
468 /* prepare for add_RATid23a */
469 supportRateNum = rtw_get_rateset_len23a((u8 *)&pcur_network->SupportedRates);
470 network_type = rtw_check_network_type23a((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
471
472 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
473 psta->bssratelen = supportRateNum;
474
475 /* b/g mode ra_bitmap */
476 for (i = 0; i < supportRateNum; i++) {
477 if (psta->bssrateset[i])
478 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
479 }
480
481 if (pcur_network->DSConfig > 14) {
482 /* force to A mode. 5G doesn't support CCK rates */
483 network_type = WIRELESS_11A;
484 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
485 } else {
486 /* force to b mode */
487 network_type = WIRELESS_11B;
488 tx_ra_bitmap = 0xf;
489 }
490
491 raid = networktype_to_raid23a(network_type);
492 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
493
494 /* ap mode */
495 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
496
497 {
498 u8 arg;
499
500 arg = psta->mac_id&0x1f;
501
502 arg |= BIT(7);
503
504 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
505
506 DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
507
508 /* bitmap[0:27] = tx_rate_bitmap */
509 /* bitmap[28:31]= Rate Adaptive id */
510 /* arg[0:4] = macid */
511 /* arg[5] = Short GI */
512 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0);
513 }
514
515 /* set ra_id, init_rate */
516 psta->raid = raid;
517 psta->init_rate = init_rate;
518
519 spin_lock_bh(&psta->lock);
520 psta->state = _FW_LINKED;
521 spin_unlock_bh(&psta->lock);
522
523 } else
524 DBG_8723A("add_RATid23a_bmc_sta error!\n");
525 }
526
527 /*
528 * AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode
529 * MAC_ID = AID+1 for sta in ap/adhoc mode
530 * MAC_ID = 1 for bc/mc for sta/ap/adhoc
531 * MAC_ID = 0 for bssid for sta/ap/adhoc
532 * CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid + 1;
533 */
update_sta_info23a_apmode23a(struct rtw_adapter * padapter,struct sta_info * psta)534 void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta)
535 {
536 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
537 struct security_priv *psecuritypriv = &padapter->securitypriv;
538 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
539 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
540 struct ht_priv *phtpriv_sta = &psta->htpriv;
541 /* set intf_tag to if1 */
542
543 psta->mac_id = psta->aid+1;
544 DBG_8723A("%s\n", __func__);
545
546 /* ap mode */
547 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
548
549 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
550 psta->ieee8021x_blocked = true;
551 else
552 psta->ieee8021x_blocked = false;
553
554 /* update sta's cap */
555
556 /* ERP */
557 VCS_update23a(padapter, psta);
558 /* HT related cap */
559 if (phtpriv_sta->ht_option) {
560 /* check if sta supports rx ampdu */
561 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
562
563 /* check if sta support s Short GI */
564 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40))
565 phtpriv_sta->sgi = true;
566
567 /* bwmode */
568 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
569 /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */
570 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
571 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
572
573 }
574
575 psta->qos_option = true;
576
577 } else {
578 phtpriv_sta->ampdu_enable = false;
579
580 phtpriv_sta->sgi = false;
581 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
582 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
583 }
584
585 /* Rx AMPDU */
586 send_delba23a(padapter, 0, psta->hwaddr); /* recipient */
587
588 /* TX AMPDU */
589 send_delba23a(padapter, 1, psta->hwaddr); /* originator */
590 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
591 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
592
593 /* todo: init other variables */
594
595 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
596
597 spin_lock_bh(&psta->lock);
598 psta->state |= _FW_LINKED;
599 spin_unlock_bh(&psta->lock);
600 }
601
update_hw_ht_param(struct rtw_adapter * padapter)602 static void update_hw_ht_param(struct rtw_adapter *padapter)
603 {
604 unsigned char max_AMPDU_len;
605 unsigned char min_MPDU_spacing;
606 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
607 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
608
609 DBG_8723A("%s\n", __func__);
610 /*
611 * handle A-MPDU parameter field
612 * AMPDU_para [1:0]:Max AMPDU Len => 0:8k, 1:16k, 2:32k, 3:64k
613 * AMPDU_para [4:2]:Min MPDU Start Spacing
614 */
615 max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info &
616 IEEE80211_HT_AMPDU_PARM_FACTOR;
617
618 min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info &
619 IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
620
621 rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing);
622 rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len);
623
624 /* Config SM Power Save setting */
625 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) &
626 IEEE80211_HT_CAP_SM_PS) >> 2;
627 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
628 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
629 }
630
start_bss_network(struct rtw_adapter * padapter,u8 * pbuf)631 static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
632 {
633 const u8 *p;
634 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
635 u16 bcn_interval;
636 u32 acparm;
637 struct registry_priv *pregpriv = &padapter->registrypriv;
638 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
639 struct security_priv *psecuritypriv = &padapter->securitypriv;
640 struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network;
641 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
642 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
643 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
644 struct ieee80211_ht_operation *pht_info = NULL;
645
646 bcn_interval = (u16)pnetwork->beacon_interval;
647 cur_channel = pnetwork->DSConfig;
648 cur_bwmode = HT_CHANNEL_WIDTH_20;
649 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
650
651 /*
652 * check if there is wps ie
653 * if there is wpsie in beacon the hostapd will
654 * update beacon twice when stating hostapd
655 * and at first time the security
656 * ie (RSN/WPA IE) will not include in beacon
657 */
658 if (!cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
659 WLAN_OUI_TYPE_MICROSOFT_WPS,
660 pnetwork->IEs,
661 pnetwork->IELength))
662 pmlmeext->bstart_bss = true;
663
664 /* todo: update wmm, ht cap */
665 /* pmlmeinfo->WMM_enable; */
666 /* pmlmeinfo->HT_enable; */
667 if (pmlmepriv->qos_option)
668 pmlmeinfo->WMM_enable = true;
669 if (pmlmepriv->htpriv.ht_option) {
670 pmlmeinfo->WMM_enable = true;
671 pmlmeinfo->HT_enable = true;
672
673 update_hw_ht_param(padapter);
674 }
675
676 if (pmlmepriv->cur_network.join_res != true) {
677 /*
678 * setting only at first time
679 * WEP Key will be set before this
680 * function, do not clear CAM.
681 */
682 if (psecuritypriv->dot11PrivacyAlgrthm !=
683 WLAN_CIPHER_SUITE_WEP40 &&
684 psecuritypriv->dot11PrivacyAlgrthm !=
685 WLAN_CIPHER_SUITE_WEP104)
686 flush_all_cam_entry23a(padapter); /* clear CAM */
687 }
688
689 /* set MSR to AP_Mode */
690 rtl8723a_set_media_status(padapter, MSR_AP);
691
692 /* Set BSSID REG */
693 hw_var_set_bssid(padapter, pnetwork->MacAddress);
694
695 /* Set EDCA param reg */
696 acparm = 0x002F3217; /* VO */
697 rtl8723a_set_ac_param_vo(padapter, acparm);
698 acparm = 0x005E4317; /* VI */
699 rtl8723a_set_ac_param_vi(padapter, acparm);
700 acparm = 0x005ea42b;
701 rtl8723a_set_ac_param_be(padapter, acparm);
702 acparm = 0x0000A444; /* BK */
703 rtl8723a_set_ac_param_bk(padapter, acparm);
704
705 /* Set Security */
706 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ?
707 0xcc : 0xcf;
708 rtl8723a_set_sec_cfg(padapter, val8);
709
710 /* Beacon Control related register */
711 rtl8723a_set_beacon_interval(padapter, bcn_interval);
712
713 UpdateBrateTbl23a(padapter, pnetwork->SupportedRates);
714 HalSetBrateCfg23a(padapter, pnetwork->SupportedRates);
715
716 if (!pmlmepriv->cur_network.join_res) {
717 /* setting only at first time */
718
719 /* disable dynamic functions, such as high power, DIG */
720
721 /* turn on all dynamic functions */
722 rtl8723a_odm_support_ability_set(padapter,
723 DYNAMIC_ALL_FUNC_ENABLE);
724 }
725 /* set channel, bwmode */
726
727 p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs,
728 pnetwork->IELength);
729 if (p && p[1]) {
730 pht_info = (struct ieee80211_ht_operation *)(p + 2);
731
732 if (pregpriv->cbw40_enable && pht_info->ht_param &
733 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
734 /* switch to the 40M Hz mode */
735 cur_bwmode = HT_CHANNEL_WIDTH_40;
736 switch (pht_info->ht_param &
737 IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
738 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
739 /*
740 * pmlmeext->cur_ch_offset =
741 * HAL_PRIME_CHNL_OFFSET_LOWER;
742 */
743 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
744 break;
745 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
746 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
747 break;
748 default:
749 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
750 break;
751 }
752 }
753 }
754 /*
755 * TODO: need to judge the phy parameters
756 * on concurrent mode for single phy
757 */
758 set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode);
759
760 DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
761 cur_ch_offset);
762
763 pmlmeext->cur_channel = cur_channel;
764 pmlmeext->cur_bwmode = cur_bwmode;
765 pmlmeext->cur_ch_offset = cur_ch_offset;
766 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
767
768 /* update cur_wireless_mode */
769 update_wireless_mode23a(padapter);
770
771 /* update capability after cur_wireless_mode updated */
772 update_capinfo23a(padapter, pnetwork->capability);
773
774 /* let pnetwork_mlmeext == pnetwork_mlme. */
775 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
776
777 if (pmlmeext->bstart_bss) {
778 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
779
780 /* issue beacon frame */
781 if (send_beacon23a(padapter) == _FAIL)
782 DBG_8723A("issue_beacon23a, fail!\n");
783 }
784
785 /* update bc/mc sta_info */
786 update_bmc_sta(padapter);
787 }
788
rtw_check_beacon_data23a(struct rtw_adapter * padapter,struct ieee80211_mgmt * mgmt,unsigned int len)789 int rtw_check_beacon_data23a(struct rtw_adapter *padapter,
790 struct ieee80211_mgmt *mgmt, unsigned int len)
791 {
792 int ret = _SUCCESS;
793 u8 *p;
794 u8 *pHT_caps_ie = NULL;
795 u8 *pHT_info_ie = NULL;
796 struct sta_info *psta = NULL;
797 u16 ht_cap = false;
798 uint ie_len = 0;
799 int group_cipher, pairwise_cipher;
800 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
801 int supportRateNum = 0;
802 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
803 struct registry_priv *pregistrypriv = &padapter->registrypriv;
804 struct security_priv *psecuritypriv = &padapter->securitypriv;
805 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
806 struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
807 u8 *ie = pbss_network->IEs;
808 u8 *pbuf = mgmt->u.beacon.variable;
809
810 len -= offsetof(struct ieee80211_mgmt, u.beacon.variable);
811 /* SSID */
812 /* Supported rates */
813 /* DS Params */
814 /* WLAN_EID_COUNTRY */
815 /* ERP Information element */
816 /* Extended supported rates */
817 /* WPA/WPA2 */
818 /* Wi-Fi Wireless Multimedia Extensions */
819 /* ht_capab, ht_oper */
820 /* WPS IE */
821
822 DBG_8723A("%s, len =%d\n", __func__, len);
823
824 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
825 return _FAIL;
826
827 if (len > MAX_IE_SZ)
828 return _FAIL;
829
830 pbss_network->IELength = len;
831
832 memset(ie, 0, MAX_IE_SZ);
833
834 memcpy(ie, pbuf, pbss_network->IELength);
835
836 if (pbss_network->ifmode != NL80211_IFTYPE_AP &&
837 pbss_network->ifmode != NL80211_IFTYPE_P2P_GO)
838 return _FAIL;
839
840 pbss_network->Rssi = 0;
841
842 memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN);
843
844 /* SSID */
845 p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength);
846 if (p && ie_len > 0) {
847 memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid));
848 memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len);
849 pbss_network->Ssid.ssid_len = ie_len;
850 }
851
852 /* channel */
853 channel = 0;
854 p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len,
855 pbss_network->IELength);
856 if (p && ie_len > 0)
857 channel = *(p + 2);
858
859 pbss_network->DSConfig = channel;
860
861 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
862 /* get supported rates */
863 p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len,
864 pbss_network->IELength);
865 if (p) {
866 memcpy(supportRate, p+2, ie_len);
867 supportRateNum = ie_len;
868 }
869
870 /* get ext_supported rates */
871 p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES,
872 &ie_len, pbss_network->IELength);
873 if (p) {
874 memcpy(supportRate+supportRateNum, p+2, ie_len);
875 supportRateNum += ie_len;
876 }
877
878 network_type = rtw_check_network_type23a(supportRate,
879 supportRateNum, channel);
880
881 rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type);
882
883 /* parsing ERP_IE */
884 p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len,
885 pbss_network->IELength);
886 if (p && ie_len > 0)
887 ERP_IE_handler23a(padapter, p);
888
889 /* update privacy/security */
890 if (pbss_network->capability & BIT(4))
891 pbss_network->Privacy = 1;
892 else
893 pbss_network->Privacy = 0;
894
895 psecuritypriv->wpa_psk = 0;
896
897 /* wpa2 */
898 group_cipher = 0; pairwise_cipher = 0;
899 psecuritypriv->wpa2_group_cipher = 0;
900 psecuritypriv->wpa2_pairwise_cipher = 0;
901 p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len,
902 pbss_network->IELength);
903 if (p && ie_len > 0) {
904 if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher,
905 &pairwise_cipher, NULL) == _SUCCESS) {
906 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
907
908 psecuritypriv->dot8021xalg = 1; /* psk, todo:802.1x */
909 psecuritypriv->wpa_psk |= BIT(1);
910
911 psecuritypriv->wpa2_group_cipher = group_cipher;
912 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
913 }
914 }
915
916 /* wpa */
917 ie_len = 0;
918 group_cipher = 0;
919 pairwise_cipher = 0;
920 psecuritypriv->wpa_group_cipher = 0;
921 psecuritypriv->wpa_pairwise_cipher = 0;
922 for (p = ie; ; p += (ie_len + 2)) {
923 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
924 pbss_network->IELength - (ie_len + 2));
925 if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) {
926 if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher,
927 &pairwise_cipher, NULL) == _SUCCESS) {
928 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
929
930 /* psk, todo:802.1x */
931 psecuritypriv->dot8021xalg = 1;
932
933 psecuritypriv->wpa_psk |= BIT(0);
934
935 psecuritypriv->wpa_group_cipher = group_cipher;
936 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
937 }
938 break;
939 }
940
941 if (!p || !ie_len)
942 break;
943 }
944
945 /* wmm */
946 ie_len = 0;
947 pmlmepriv->qos_option = 0;
948 if (pregistrypriv->wmm_enable) {
949 for (p = ie; ; p += (ie_len + 2)) {
950 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
951 (pbss_network->IELength -
952 (ie_len + 2)));
953 if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
954 pmlmepriv->qos_option = 1;
955
956 *(p + 8) |= BIT(7);/* QoS Info:support U-APSD */
957
958 /* disable all ACM bits since the WMM admission
959 * control is not supported
960 */
961 *(p + 10) &= ~BIT(4); /* BE */
962 *(p + 14) &= ~BIT(4); /* BK */
963 *(p + 18) &= ~BIT(4); /* VI */
964 *(p + 22) &= ~BIT(4); /* VO */
965 break;
966 }
967 if ((p == NULL) || (ie_len == 0))
968 break;
969 }
970 }
971 /* parsing HT_CAP_IE */
972 p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len,
973 pbss_network->IELength);
974 if (p && ie_len > 0) {
975 u8 rf_type;
976
977 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2);
978
979 pHT_caps_ie = p;
980
981 ht_cap = true;
982 network_type |= WIRELESS_11_24N;
983
984 rf_type = rtl8723a_get_rf_type(padapter);
985
986 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
987 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
988 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2));
989 else
990 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00);
991
992 /* set Max Rx AMPDU size to 64K */
993 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
994
995 if (rf_type == RF_1T1R) {
996 pht_cap->mcs.rx_mask[0] = 0xff;
997 pht_cap->mcs.rx_mask[1] = 0x0;
998 }
999
1000 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1001 }
1002
1003 /* parsing HT_INFO_IE */
1004 p = rtw_get_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len,
1005 pbss_network->IELength);
1006 if (p && ie_len > 0)
1007 pHT_info_ie = p;
1008
1009 pmlmepriv->cur_network.network_type = network_type;
1010
1011 pmlmepriv->htpriv.ht_option = false;
1012
1013 /* ht_cap */
1014 if (pregistrypriv->ht_enable && ht_cap) {
1015 pmlmepriv->htpriv.ht_option = true;
1016 pmlmepriv->qos_option = 1;
1017
1018 if (pregistrypriv->ampdu_enable == 1)
1019 pmlmepriv->htpriv.ampdu_enable = true;
1020
1021 HT_caps_handler23a(padapter, pHT_caps_ie);
1022
1023 HT_info_handler23a(padapter, pHT_info_ie);
1024 }
1025
1026 pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network);
1027
1028 /* issue beacon to start bss network */
1029 start_bss_network(padapter, (u8 *)pbss_network);
1030
1031 /* alloc sta_info for ap itself */
1032 psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1033 if (!psta) {
1034 psta = rtw_alloc_stainfo23a(&padapter->stapriv,
1035 pbss_network->MacAddress,
1036 GFP_KERNEL);
1037 if (!psta)
1038 return _FAIL;
1039 }
1040 /* fix bug of flush_cam_entry at STOP AP mode */
1041 psta->state |= WIFI_AP_STATE;
1042 rtw_indicate_connect23a(padapter);
1043
1044 /* for check if already set beacon */
1045 pmlmepriv->cur_network.join_res = true;
1046
1047 return ret;
1048 }
1049
rtw_set_macaddr_acl23a(struct rtw_adapter * padapter,int mode)1050 void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode)
1051 {
1052 struct sta_priv *pstapriv = &padapter->stapriv;
1053 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1054
1055 DBG_8723A("%s, mode =%d\n", __func__, mode);
1056
1057 pacl_list->mode = mode;
1058 }
1059
rtw_acl_add_sta23a(struct rtw_adapter * padapter,u8 * addr)1060 int rtw_acl_add_sta23a(struct rtw_adapter *padapter, u8 *addr)
1061 {
1062 struct list_head *plist, *phead;
1063 u8 added = false;
1064 int i, ret = 0;
1065 struct rtw_wlan_acl_node *paclnode;
1066 struct sta_priv *pstapriv = &padapter->stapriv;
1067 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1068 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1069
1070 DBG_8723A("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, addr);
1071
1072 if ((NUM_ACL-1) < pacl_list->num)
1073 return -1;
1074
1075 spin_lock_bh(&pacl_node_q->lock);
1076
1077 phead = get_list_head(pacl_node_q);
1078
1079 list_for_each(plist, phead) {
1080 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1081
1082 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1083 if (paclnode->valid == true) {
1084 added = true;
1085 DBG_8723A("%s, sta has been added\n", __func__);
1086 break;
1087 }
1088 }
1089 }
1090
1091 spin_unlock_bh(&pacl_node_q->lock);
1092
1093 if (added)
1094 return ret;
1095
1096 spin_lock_bh(&pacl_node_q->lock);
1097
1098 for (i = 0; i < NUM_ACL; i++) {
1099 paclnode = &pacl_list->aclnode[i];
1100
1101 if (!paclnode->valid) {
1102 INIT_LIST_HEAD(&paclnode->list);
1103
1104 memcpy(paclnode->addr, addr, ETH_ALEN);
1105
1106 paclnode->valid = true;
1107
1108 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1109
1110 pacl_list->num++;
1111
1112 break;
1113 }
1114 }
1115
1116 DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1117
1118 spin_unlock_bh(&pacl_node_q->lock);
1119 return ret;
1120 }
1121
rtw_acl_remove_sta23a(struct rtw_adapter * padapter,u8 * addr)1122 int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr)
1123 {
1124 struct list_head *plist, *phead, *ptmp;
1125 struct rtw_wlan_acl_node *paclnode;
1126 struct sta_priv *pstapriv = &padapter->stapriv;
1127 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1128 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1129
1130 DBG_8723A("%s(acl_num =%d) = %pM\n", __func__, pacl_list->num, addr);
1131
1132 spin_lock_bh(&pacl_node_q->lock);
1133
1134 phead = get_list_head(pacl_node_q);
1135
1136 list_for_each_safe(plist, ptmp, phead) {
1137 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1138
1139 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1140 if (paclnode->valid) {
1141 paclnode->valid = false;
1142
1143 list_del_init(&paclnode->list);
1144
1145 pacl_list->num--;
1146 }
1147 }
1148 }
1149
1150 spin_unlock_bh(&pacl_node_q->lock);
1151
1152 DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1153
1154 return 0;
1155 }
1156
update_bcn_erpinfo_ie(struct rtw_adapter * padapter)1157 static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter)
1158 {
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 *p, *ie = pnetwork->IEs;
1164 u32 len = 0;
1165
1166 DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1167
1168 if (!pmlmeinfo->ERP_enable)
1169 return;
1170
1171 /* parsing ERP_IE */
1172 p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength);
1173 if (p && len > 0) {
1174 if (pmlmepriv->num_sta_non_erp == 1)
1175 p[2] |= WLAN_ERP_NON_ERP_PRESENT |
1176 WLAN_ERP_USE_PROTECTION;
1177 else
1178 p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT |
1179 WLAN_ERP_USE_PROTECTION);
1180
1181 if (pmlmepriv->num_sta_no_short_preamble > 0)
1182 p[2] |= WLAN_ERP_BARKER_PREAMBLE;
1183 else
1184 p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE);
1185
1186 ERP_IE_handler23a(padapter, p);
1187 }
1188 }
1189
update_bcn_wpa_ie(struct rtw_adapter * padapter)1190 static void update_bcn_wpa_ie(struct rtw_adapter *padapter)
1191 {
1192 DBG_8723A("%s\n", __func__);
1193 }
1194
update_bcn_wmm_ie(struct rtw_adapter * padapter)1195 static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
1196 {
1197 DBG_8723A("%s\n", __func__);
1198 }
1199
update_bcn_wps_ie(struct rtw_adapter * padapter)1200 static void update_bcn_wps_ie(struct rtw_adapter *padapter)
1201 {
1202 DBG_8723A("%s\n", __func__);
1203 }
1204
update_bcn_p2p_ie(struct rtw_adapter * padapter)1205 static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
1206 {
1207 }
1208
update_bcn_vendor_spec_ie(struct rtw_adapter * padapter,u8 * oui)1209 static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8 *oui)
1210 {
1211 DBG_8723A("%s\n", __func__);
1212
1213 if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4))
1214 update_bcn_wpa_ie(padapter);
1215 else if (!memcmp(WMM_OUI23A, oui, 4))
1216 update_bcn_wmm_ie(padapter);
1217 else if (!memcmp(WPS_OUI23A, oui, 4))
1218 update_bcn_wps_ie(padapter);
1219 else if (!memcmp(P2P_OUI23A, oui, 4))
1220 update_bcn_p2p_ie(padapter);
1221 else
1222 DBG_8723A("unknown OUI type!\n");
1223 }
1224
update_beacon23a(struct rtw_adapter * padapter,u8 ie_id,u8 * oui,u8 tx)1225 void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1226 {
1227 struct mlme_priv *pmlmepriv;
1228 struct mlme_ext_priv *pmlmeext;
1229 /* struct mlme_ext_info *pmlmeinfo; */
1230
1231 /* DBG_8723A("%s\n", __func__); */
1232
1233 if (!padapter)
1234 return;
1235
1236 pmlmepriv = &padapter->mlmepriv;
1237 pmlmeext = &padapter->mlmeextpriv;
1238 /* pmlmeinfo = &pmlmeext->mlmext_info; */
1239
1240 if (false == pmlmeext->bstart_bss)
1241 return;
1242
1243 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1244
1245 switch (ie_id) {
1246 case WLAN_EID_TIM:
1247 update_BCNTIM(padapter);
1248 break;
1249
1250 case WLAN_EID_ERP_INFO:
1251 update_bcn_erpinfo_ie(padapter);
1252 break;
1253
1254 case WLAN_EID_VENDOR_SPECIFIC:
1255 update_bcn_vendor_spec_ie(padapter, oui);
1256 break;
1257
1258 default:
1259 break;
1260 }
1261
1262 pmlmepriv->update_bcn = true;
1263
1264 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1265
1266 if (tx)
1267 set_tx_beacon_cmd23a(padapter);
1268 }
1269
1270 /*
1271 * op_mode
1272 * Set to 0 (HT pure) under the following conditions
1273 * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1274 * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1275 * Set to 1 (HT non-member protection) if there may be non-HT STAs
1276 * in both the primary and the secondary channel
1277 * Set to 2 if only HT STAs are associated in BSS,
1278 * however and at least one 20 MHz HT STA is associated
1279 * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1280 * (currently non-GF HT station is considered as non-HT STA also)
1281 */
rtw_ht_operation_update(struct rtw_adapter * padapter)1282 static int rtw_ht_operation_update(struct rtw_adapter *padapter)
1283 {
1284 u16 cur_op_mode, new_op_mode;
1285 int op_mode_changes = 0;
1286 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1287 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1288
1289 if (pmlmepriv->htpriv.ht_option)
1290 return 0;
1291
1292 /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */
1293 /* return 0; */
1294
1295 DBG_8723A("%s current operation mode = 0x%X\n",
1296 __func__, pmlmepriv->ht_op_mode);
1297
1298 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1299 && pmlmepriv->num_sta_ht_no_gf) {
1300 pmlmepriv->ht_op_mode |=
1301 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1302 op_mode_changes++;
1303 } else if ((pmlmepriv->ht_op_mode &
1304 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1305 pmlmepriv->num_sta_ht_no_gf == 0) {
1306 pmlmepriv->ht_op_mode &=
1307 ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1308 op_mode_changes++;
1309 }
1310
1311 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1312 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1313 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1314 op_mode_changes++;
1315 } else if ((pmlmepriv->ht_op_mode &
1316 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1317 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1318 pmlmepriv->ht_op_mode &=
1319 ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1320 op_mode_changes++;
1321 }
1322
1323 /*
1324 * Note: currently we switch to the MIXED op mode if HT non-greenfield
1325 * station is associated. Probably it's a theoretical case, since
1326 * it looks like all known HT STAs support greenfield.
1327 */
1328 if (pmlmepriv->num_sta_no_ht ||
1329 (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1330 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1331 else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1332 IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
1333 pmlmepriv->num_sta_ht_20mhz)
1334 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1335 else if (pmlmepriv->olbc_ht)
1336 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1337 else
1338 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1339
1340 cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1341 if (cur_op_mode != new_op_mode) {
1342 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1343 pmlmepriv->ht_op_mode |= new_op_mode;
1344 op_mode_changes++;
1345 }
1346
1347 DBG_8723A("%s new operation mode = 0x%X changes =%d\n",
1348 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1349
1350 return op_mode_changes;
1351 }
1352
associated_clients_update23a(struct rtw_adapter * padapter,u8 updated)1353 void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated)
1354 {
1355 /* update associated stations cap. */
1356 if (updated == true) {
1357 struct list_head *phead, *plist, *ptmp;
1358 struct sta_info *psta;
1359 struct sta_priv *pstapriv = &padapter->stapriv;
1360
1361 spin_lock_bh(&pstapriv->asoc_list_lock);
1362
1363 phead = &pstapriv->asoc_list;
1364
1365 list_for_each_safe(plist, ptmp, phead) {
1366 psta = container_of(plist, struct sta_info, asoc_list);
1367
1368 VCS_update23a(padapter, psta);
1369 }
1370
1371 spin_unlock_bh(&pstapriv->asoc_list_lock);
1372 }
1373 }
1374
1375 /* called > TSR LEVEL for USB or SDIO Interface */
bss_cap_update_on_sta_join23a(struct rtw_adapter * padapter,struct sta_info * psta)1376 void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta)
1377 {
1378 u8 beacon_updated = false;
1379 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1380 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1381
1382 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1383 if (!psta->no_short_preamble_set) {
1384 psta->no_short_preamble_set = 1;
1385
1386 pmlmepriv->num_sta_no_short_preamble++;
1387
1388 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1389 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1390 beacon_updated = true;
1391 update_beacon23a(padapter, 0xFF, NULL, true);
1392 }
1393
1394 }
1395 } else {
1396 if (psta->no_short_preamble_set) {
1397 psta->no_short_preamble_set = 0;
1398
1399 pmlmepriv->num_sta_no_short_preamble--;
1400
1401 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1402 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1403 beacon_updated = true;
1404 update_beacon23a(padapter, 0xFF, NULL, true);
1405 }
1406
1407 }
1408 }
1409
1410 if (psta->flags & WLAN_STA_NONERP) {
1411 if (!psta->nonerp_set) {
1412 psta->nonerp_set = 1;
1413
1414 pmlmepriv->num_sta_non_erp++;
1415
1416 if (pmlmepriv->num_sta_non_erp == 1) {
1417 beacon_updated = true;
1418 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1419 }
1420 }
1421
1422 } else {
1423 if (psta->nonerp_set) {
1424 psta->nonerp_set = 0;
1425
1426 pmlmepriv->num_sta_non_erp--;
1427
1428 if (pmlmepriv->num_sta_non_erp == 0) {
1429 beacon_updated = true;
1430 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1431 }
1432 }
1433
1434 }
1435
1436 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1437 if (!psta->no_short_slot_time_set) {
1438 psta->no_short_slot_time_set = 1;
1439
1440 pmlmepriv->num_sta_no_short_slot_time++;
1441
1442 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1443 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1444 beacon_updated = true;
1445 update_beacon23a(padapter, 0xFF, NULL, true);
1446 }
1447
1448 }
1449 } else {
1450 if (psta->no_short_slot_time_set) {
1451 psta->no_short_slot_time_set = 0;
1452
1453 pmlmepriv->num_sta_no_short_slot_time--;
1454
1455 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1456 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1457 beacon_updated = true;
1458 update_beacon23a(padapter, 0xFF, NULL, true);
1459 }
1460 }
1461 }
1462
1463 if (psta->flags & WLAN_STA_HT) {
1464 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1465
1466 DBG_8723A("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1467 psta->hwaddr, ht_capab);
1468
1469 if (psta->no_ht_set) {
1470 psta->no_ht_set = 0;
1471 pmlmepriv->num_sta_no_ht--;
1472 }
1473
1474 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1475 if (!psta->no_ht_gf_set) {
1476 psta->no_ht_gf_set = 1;
1477 pmlmepriv->num_sta_ht_no_gf++;
1478 }
1479 DBG_8723A("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1480 __func__, psta->hwaddr,
1481 pmlmepriv->num_sta_ht_no_gf);
1482 }
1483
1484 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1485 if (!psta->ht_20mhz_set) {
1486 psta->ht_20mhz_set = 1;
1487 pmlmepriv->num_sta_ht_20mhz++;
1488 }
1489 DBG_8723A("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1490 __func__, psta->hwaddr,
1491 pmlmepriv->num_sta_ht_20mhz);
1492 }
1493
1494 } else {
1495 if (!psta->no_ht_set) {
1496 psta->no_ht_set = 1;
1497 pmlmepriv->num_sta_no_ht++;
1498 }
1499 if (pmlmepriv->htpriv.ht_option) {
1500 DBG_8723A("%s STA %pM - no HT, num of non-HT stations %d\n",
1501 __func__, psta->hwaddr,
1502 pmlmepriv->num_sta_no_ht);
1503 }
1504 }
1505
1506 if (rtw_ht_operation_update(padapter) > 0) {
1507 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1508 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1509 }
1510
1511 /* update associated stations cap. */
1512 associated_clients_update23a(padapter, beacon_updated);
1513
1514 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1515 }
1516
bss_cap_update_on_sta_leave23a(struct rtw_adapter * padapter,struct sta_info * psta)1517 u8 bss_cap_update_on_sta_leave23a(struct rtw_adapter *padapter, struct sta_info *psta)
1518 {
1519 u8 beacon_updated = false;
1520 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1521 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1522
1523 if (!psta)
1524 return beacon_updated;
1525
1526 if (psta->no_short_preamble_set) {
1527 psta->no_short_preamble_set = 0;
1528 pmlmepriv->num_sta_no_short_preamble--;
1529 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1530 && pmlmepriv->num_sta_no_short_preamble == 0) {
1531 beacon_updated = true;
1532 update_beacon23a(padapter, 0xFF, NULL, true);
1533 }
1534 }
1535
1536 if (psta->nonerp_set) {
1537 psta->nonerp_set = 0;
1538 pmlmepriv->num_sta_non_erp--;
1539 if (pmlmepriv->num_sta_non_erp == 0) {
1540 beacon_updated = true;
1541 update_beacon23a(padapter, WLAN_EID_ERP_INFO,
1542 NULL, true);
1543 }
1544 }
1545
1546 if (psta->no_short_slot_time_set) {
1547 psta->no_short_slot_time_set = 0;
1548 pmlmepriv->num_sta_no_short_slot_time--;
1549 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1550 && pmlmepriv->num_sta_no_short_slot_time == 0) {
1551 beacon_updated = true;
1552 update_beacon23a(padapter, 0xFF, NULL, true);
1553 }
1554 }
1555
1556 if (psta->no_ht_gf_set) {
1557 psta->no_ht_gf_set = 0;
1558 pmlmepriv->num_sta_ht_no_gf--;
1559 }
1560
1561 if (psta->no_ht_set) {
1562 psta->no_ht_set = 0;
1563 pmlmepriv->num_sta_no_ht--;
1564 }
1565
1566 if (psta->ht_20mhz_set) {
1567 psta->ht_20mhz_set = 0;
1568 pmlmepriv->num_sta_ht_20mhz--;
1569 }
1570
1571 if (rtw_ht_operation_update(padapter) > 0) {
1572 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1573 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1574 }
1575
1576 /* update associated stations cap. */
1577
1578 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1579
1580 return beacon_updated;
1581 }
1582
ap_free_sta23a(struct rtw_adapter * padapter,struct sta_info * psta,bool active,u16 reason)1583 u8 ap_free_sta23a(struct rtw_adapter *padapter, struct sta_info *psta, bool active, u16 reason)
1584 {
1585 struct sta_priv *pstapriv = &padapter->stapriv;
1586 u8 beacon_updated = false;
1587
1588 if (!psta)
1589 return beacon_updated;
1590
1591 if (active) {
1592 /* tear down Rx AMPDU */
1593 send_delba23a(padapter, 0, psta->hwaddr); /* recipient */
1594
1595 /* tear down TX AMPDU */
1596 send_delba23a(padapter, 1, psta->hwaddr); /* originator */
1597
1598 issue_deauth23a(padapter, psta->hwaddr, reason);
1599 }
1600
1601 psta->htpriv.agg_enable_bitmap = 0x0; /* reset */
1602 psta->htpriv.candidate_tid_bitmap = 0x0; /* reset */
1603
1604 /* report_del_sta_event23a(padapter, psta->hwaddr, reason); */
1605
1606 /* clear cam entry / key */
1607 /* clear_cam_entry23a(padapter, (psta->mac_id + 3)); */
1608 rtw_clearstakey_cmd23a(padapter, (u8 *)psta, (u8)(psta->mac_id + 3),
1609 true);
1610
1611 spin_lock_bh(&psta->lock);
1612 psta->state &= ~_FW_LINKED;
1613 spin_unlock_bh(&psta->lock);
1614
1615 rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1616
1617 report_del_sta_event23a(padapter, psta->hwaddr, reason);
1618
1619 beacon_updated = bss_cap_update_on_sta_leave23a(padapter, psta);
1620
1621 spin_lock_bh(&pstapriv->sta_hash_lock);
1622 rtw_free_stainfo23a(padapter, psta);
1623 spin_unlock_bh(&pstapriv->sta_hash_lock);
1624
1625 return beacon_updated;
1626 }
1627
rtw_ap_inform_ch_switch23a(struct rtw_adapter * padapter,u8 new_ch,u8 ch_offset)1628 int rtw_ap_inform_ch_switch23a(struct rtw_adapter *padapter, u8 new_ch, u8 ch_offset)
1629 {
1630 struct list_head *phead, *plist;
1631 struct sta_info *psta = NULL;
1632 struct sta_priv *pstapriv = &padapter->stapriv;
1633 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1634 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1635 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1636
1637 if ((pmlmeinfo->state&0x03) != MSR_AP)
1638 return 0;
1639
1640 DBG_8723A("%s(%s): with ch:%u, offset:%u\n", __func__,
1641 padapter->pnetdev->name, new_ch, ch_offset);
1642
1643 spin_lock_bh(&pstapriv->asoc_list_lock);
1644 phead = &pstapriv->asoc_list;
1645
1646 list_for_each(plist, phead) {
1647 psta = container_of(plist, struct sta_info, asoc_list);
1648
1649 issue_action_spct_ch_switch23a(padapter, psta->hwaddr, new_ch, ch_offset);
1650 psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
1651 }
1652 spin_unlock_bh(&pstapriv->asoc_list_lock);
1653
1654 issue_action_spct_ch_switch23a(padapter, bc_addr, new_ch, ch_offset);
1655
1656 return 0;
1657 }
1658
rtw_sta_flush23a(struct rtw_adapter * padapter)1659 int rtw_sta_flush23a(struct rtw_adapter *padapter)
1660 {
1661 struct list_head *phead, *plist, *ptmp;
1662 struct sta_info *psta;
1663 struct sta_priv *pstapriv = &padapter->stapriv;
1664 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1665 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1666 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1667 u8 chk_alive_num = 0;
1668 struct sta_info *chk_alive_list[NUM_STA];
1669 int i;
1670
1671 DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name);
1672
1673 if ((pmlmeinfo->state&0x03) != MSR_AP)
1674 return 0;
1675
1676 spin_lock_bh(&pstapriv->asoc_list_lock);
1677 phead = &pstapriv->asoc_list;
1678
1679 list_for_each_safe(plist, ptmp, phead) {
1680 psta = container_of(plist, struct sta_info, asoc_list);
1681
1682 /* Remove sta from asoc_list */
1683 list_del_init(&psta->asoc_list);
1684 pstapriv->asoc_list_cnt--;
1685
1686 /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */
1687 chk_alive_list[chk_alive_num++] = psta;
1688 }
1689 spin_unlock_bh(&pstapriv->asoc_list_lock);
1690
1691 /* For each sta in chk_alive_list, call ap_free_sta23a */
1692 for (i = 0; i < chk_alive_num; i++)
1693 ap_free_sta23a(padapter, chk_alive_list[i], true,
1694 WLAN_REASON_DEAUTH_LEAVING);
1695
1696 issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1697
1698 associated_clients_update23a(padapter, true);
1699
1700 return 0;
1701 }
1702
1703 /* called > TSR LEVEL for USB or SDIO Interface */
sta_info_update23a(struct rtw_adapter * padapter,struct sta_info * psta)1704 void sta_info_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1705 {
1706 int flags = psta->flags;
1707 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1708
1709 /* update wmm cap. */
1710 if (WLAN_STA_WME&flags)
1711 psta->qos_option = 1;
1712 else
1713 psta->qos_option = 0;
1714
1715 if (pmlmepriv->qos_option == 0)
1716 psta->qos_option = 0;
1717
1718 /* update 802.11n ht cap. */
1719 if (WLAN_STA_HT&flags) {
1720 psta->htpriv.ht_option = true;
1721 psta->qos_option = 1;
1722 } else {
1723 psta->htpriv.ht_option = false;
1724 }
1725
1726 if (!pmlmepriv->htpriv.ht_option)
1727 psta->htpriv.ht_option = false;
1728
1729 update_sta_info23a_apmode23a(padapter, psta);
1730 }
1731
1732 /* called >= TSR LEVEL for USB or SDIO Interface */
ap_sta_info_defer_update23a(struct rtw_adapter * padapter,struct sta_info * psta)1733 void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1734 {
1735 if (psta->state & _FW_LINKED) {
1736 /* add ratid */
1737 add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */
1738 }
1739 }
1740
1741 /* restore hw setting from sw data structures */
rtw_ap_restore_network(struct rtw_adapter * padapter)1742 void rtw_ap_restore_network(struct rtw_adapter *padapter)
1743 {
1744 struct mlme_priv *mlmepriv = &padapter->mlmepriv;
1745 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1746 struct sta_priv *pstapriv = &padapter->stapriv;
1747 struct sta_info *psta;
1748 struct security_priv *psecuritypriv = &padapter->securitypriv;
1749 struct list_head *phead, *plist, *ptmp;
1750 u8 chk_alive_num = 0;
1751 struct sta_info *chk_alive_list[NUM_STA];
1752 int i;
1753
1754 rtw_setopmode_cmd23a(padapter, NL80211_IFTYPE_AP);
1755
1756 set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
1757
1758 start_bss_network(padapter, (u8 *)&mlmepriv->cur_network.network);
1759
1760 if (padapter->securitypriv.dot11PrivacyAlgrthm ==
1761 WLAN_CIPHER_SUITE_TKIP ||
1762 padapter->securitypriv.dot11PrivacyAlgrthm ==
1763 WLAN_CIPHER_SUITE_CCMP) {
1764 /* restore group key, WEP keys is restored in ips_leave23a() */
1765 rtw_set_key23a(padapter, psecuritypriv,
1766 psecuritypriv->dot118021XGrpKeyid, 0);
1767 }
1768
1769 /* per sta pairwise key and settings */
1770 if (padapter->securitypriv.dot11PrivacyAlgrthm !=
1771 WLAN_CIPHER_SUITE_TKIP &&
1772 padapter->securitypriv.dot11PrivacyAlgrthm !=
1773 WLAN_CIPHER_SUITE_CCMP) {
1774 return;
1775 }
1776
1777 spin_lock_bh(&pstapriv->asoc_list_lock);
1778
1779 phead = &pstapriv->asoc_list;
1780
1781 list_for_each_safe(plist, ptmp, phead) {
1782 psta = container_of(plist, struct sta_info, asoc_list);
1783
1784 chk_alive_list[chk_alive_num++] = psta;
1785 }
1786
1787 spin_unlock_bh(&pstapriv->asoc_list_lock);
1788
1789 for (i = 0; i < chk_alive_num; i++) {
1790 psta = chk_alive_list[i];
1791
1792 if (psta->state & _FW_LINKED) {
1793 Update_RA_Entry23a(padapter, psta);
1794 /* pairwise key */
1795 rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true);
1796 }
1797 }
1798 }
1799
start_ap_mode23a(struct rtw_adapter * padapter)1800 void start_ap_mode23a(struct rtw_adapter *padapter)
1801 {
1802 int i;
1803 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1804 struct sta_priv *pstapriv = &padapter->stapriv;
1805 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1806 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1807
1808 pmlmepriv->update_bcn = false;
1809
1810 /* init_mlme_ap_info23a(padapter); */
1811 pmlmeext->bstart_bss = false;
1812
1813 pmlmepriv->num_sta_non_erp = 0;
1814
1815 pmlmepriv->num_sta_no_short_slot_time = 0;
1816
1817 pmlmepriv->num_sta_no_short_preamble = 0;
1818
1819 pmlmepriv->num_sta_ht_no_gf = 0;
1820 pmlmepriv->num_sta_no_ht = 0;
1821 pmlmepriv->num_sta_ht_20mhz = 0;
1822
1823 pmlmepriv->olbc = false;
1824
1825 pmlmepriv->olbc_ht = false;
1826
1827 pmlmepriv->ht_op_mode = 0;
1828
1829 for (i = 0; i < NUM_STA; i++)
1830 pstapriv->sta_aid[i] = NULL;
1831
1832 /* for ACL */
1833 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1834 pacl_list->num = 0;
1835 pacl_list->mode = 0;
1836 for (i = 0; i < NUM_ACL; i++) {
1837 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1838 pacl_list->aclnode[i].valid = false;
1839 }
1840 }
1841
stop_ap_mode23a(struct rtw_adapter * padapter)1842 void stop_ap_mode23a(struct rtw_adapter *padapter)
1843 {
1844 struct list_head *phead, *plist, *ptmp;
1845 struct rtw_wlan_acl_node *paclnode;
1846 struct sta_info *psta = NULL;
1847 struct sta_priv *pstapriv = &padapter->stapriv;
1848 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1849 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1850 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1851 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1852
1853 pmlmepriv->update_bcn = false;
1854 pmlmeext->bstart_bss = false;
1855
1856 /*
1857 * reset and init security priv , this can
1858 * refine with rtw_reset_securitypriv23a
1859 */
1860 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1861 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1862 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1863
1864 /* for ACL */
1865 spin_lock_bh(&pacl_node_q->lock);
1866 phead = get_list_head(pacl_node_q);
1867
1868 list_for_each_safe(plist, ptmp, phead) {
1869 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1870
1871 if (paclnode->valid == true) {
1872 paclnode->valid = false;
1873
1874 list_del_init(&paclnode->list);
1875
1876 pacl_list->num--;
1877 }
1878 }
1879 spin_unlock_bh(&pacl_node_q->lock);
1880
1881 DBG_8723A("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1882
1883 rtw_sta_flush23a(padapter);
1884
1885 /* free_assoc_sta_resources */
1886 rtw_free_all_stainfo23a(padapter);
1887
1888 psta = rtw_get_bcmc_stainfo23a(padapter);
1889 spin_lock_bh(&pstapriv->sta_hash_lock);
1890 rtw_free_stainfo23a(padapter, psta);
1891 spin_unlock_bh(&pstapriv->sta_hash_lock);
1892
1893 rtw_init_bcmc_stainfo23a(padapter);
1894
1895 rtw23a_free_mlme_priv_ie_data(pmlmepriv);
1896 }
1897