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 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20 #define _RTW_AP_C_
21
22 #include <osdep_service.h>
23 #include <drv_types.h>
24 #include <wifi.h>
25 #include <ieee80211.h>
26 #include <asm/unaligned.h>
27
28 #ifdef CONFIG_88EU_AP_MODE
29
init_mlme_ap_info(struct adapter * padapter)30 void init_mlme_ap_info(struct adapter *padapter)
31 {
32 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
33 struct sta_priv *pstapriv = &padapter->stapriv;
34 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
35
36
37 spin_lock_init(&pmlmepriv->bcn_update_lock);
38
39 /* for ACL */
40 _rtw_init_queue(&pacl_list->acl_node_q);
41
42 start_ap_mode(padapter);
43 }
44
free_mlme_ap_info(struct adapter * padapter)45 void free_mlme_ap_info(struct adapter *padapter)
46 {
47 struct sta_info *psta = NULL;
48 struct sta_priv *pstapriv = &padapter->stapriv;
49 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
50 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
51 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
52
53 pmlmepriv->update_bcn = false;
54 pmlmeext->bstart_bss = false;
55
56 rtw_sta_flush(padapter);
57
58 pmlmeinfo->state = _HW_STATE_NOLINK_;
59
60 /* free_assoc_sta_resources */
61 rtw_free_all_stainfo(padapter);
62
63 /* free bc/mc sta_info */
64 psta = rtw_get_bcmc_stainfo(padapter);
65 spin_lock_bh(&(pstapriv->sta_hash_lock));
66 rtw_free_stainfo(padapter, psta);
67 spin_unlock_bh(&(pstapriv->sta_hash_lock));
68 }
69
update_BCNTIM(struct adapter * padapter)70 static void update_BCNTIM(struct adapter *padapter)
71 {
72 struct sta_priv *pstapriv = &padapter->stapriv;
73 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
74 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
75 struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
76 unsigned char *pie = pnetwork_mlmeext->IEs;
77
78 /* update TIM IE */
79 if (true) {
80 u8 *p, *dst_ie, *premainder_ie = NULL;
81 u8 *pbackup_remainder_ie = NULL;
82 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
83
84 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
85 if (p != NULL && tim_ielen > 0) {
86 tim_ielen += 2;
87 premainder_ie = p+tim_ielen;
88 tim_ie_offset = (int)(p - pie);
89 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
90 /* append TIM IE from dst_ie offset */
91 dst_ie = p;
92 } else {
93 tim_ielen = 0;
94
95 /* calculate head_len */
96 offset = _FIXED_IE_LENGTH_;
97 offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
98
99 /* get supported rates len */
100 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
101 if (p != NULL)
102 offset += tmp_len+2;
103
104 /* DS Parameter Set IE, len = 3 */
105 offset += 3;
106
107 premainder_ie = pie + offset;
108
109 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
110
111 /* append TIM IE from offset */
112 dst_ie = pie + offset;
113 }
114
115 if (remainder_ielen > 0) {
116 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
117 if (pbackup_remainder_ie && premainder_ie)
118 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
119 }
120 *dst_ie++ = _TIM_IE_;
121
122 if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
123 tim_ielen = 5;
124 else
125 tim_ielen = 4;
126
127 *dst_ie++ = tim_ielen;
128
129 *dst_ie++ = 0;/* DTIM count */
130 *dst_ie++ = 1;/* DTIM period */
131
132 if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
133 *dst_ie++ = BIT(0);/* bitmap ctrl */
134 else
135 *dst_ie++ = 0;
136
137 if (tim_ielen == 4) {
138 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
139 } else if (tim_ielen == 5) {
140 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
141 dst_ie += 2;
142 }
143
144 /* copy remainder IE */
145 if (pbackup_remainder_ie) {
146 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
147
148 kfree(pbackup_remainder_ie);
149 }
150 offset = (uint)(dst_ie - pie);
151 pnetwork_mlmeext->IELength = offset + remainder_ielen;
152 }
153
154 set_tx_beacon_cmd(padapter);
155 }
156
rtw_add_bcn_ie(struct adapter * padapter,struct wlan_bssid_ex * pnetwork,u8 index,u8 * data,u8 len)157 void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index, u8 *data, u8 len)
158 {
159 struct ndis_802_11_var_ie *pIE;
160 u8 bmatch = false;
161 u8 *pie = pnetwork->IEs;
162 u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
163 u8 *pbackup_remainder_ie = NULL;
164 u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
165
166 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
167 pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
168
169 if (pIE->ElementID > index) {
170 break;
171 } else if (pIE->ElementID == index) { /* already exist the same IE */
172 p = (u8 *)pIE;
173 ielen = pIE->Length;
174 bmatch = true;
175 break;
176 }
177 p = (u8 *)pIE;
178 ielen = pIE->Length;
179 i += (pIE->Length + 2);
180 }
181
182 if (p != NULL && ielen > 0) {
183 ielen += 2;
184
185 premainder_ie = p+ielen;
186
187 ie_offset = (int)(p - pie);
188
189 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
190
191 if (bmatch)
192 dst_ie = p;
193 else
194 dst_ie = (p+ielen);
195 }
196
197 if (remainder_ielen > 0) {
198 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
199 if (pbackup_remainder_ie && premainder_ie)
200 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
201 }
202
203 *dst_ie++ = index;
204 *dst_ie++ = len;
205
206 memcpy(dst_ie, data, len);
207 dst_ie += len;
208
209 /* copy remainder IE */
210 if (pbackup_remainder_ie) {
211 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
212
213 kfree(pbackup_remainder_ie);
214 }
215
216 offset = (uint)(dst_ie - pie);
217 pnetwork->IELength = offset + remainder_ielen;
218 }
219
rtw_remove_bcn_ie(struct adapter * padapter,struct wlan_bssid_ex * pnetwork,u8 index)220 void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index)
221 {
222 u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
223 u8 *pbackup_remainder_ie = NULL;
224 uint offset, ielen, ie_offset, remainder_ielen = 0;
225 u8 *pie = pnetwork->IEs;
226
227 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
228 pnetwork->IELength - _FIXED_IE_LENGTH_);
229 if (p != NULL && ielen > 0) {
230 ielen += 2;
231
232 premainder_ie = p+ielen;
233
234 ie_offset = (int)(p - pie);
235
236 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
237
238 dst_ie = p;
239 }
240
241 if (remainder_ielen > 0) {
242 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
243 if (pbackup_remainder_ie && premainder_ie)
244 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
245 }
246
247 /* copy remainder IE */
248 if (pbackup_remainder_ie) {
249 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
250
251 kfree(pbackup_remainder_ie);
252 }
253
254 offset = (uint)(dst_ie - pie);
255 pnetwork->IELength = offset + remainder_ielen;
256 }
257
chk_sta_is_alive(struct sta_info * psta)258 static u8 chk_sta_is_alive(struct sta_info *psta)
259 {
260 u8 ret = false;
261
262 if ((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) ==
263 (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
264 ;
265 else
266 ret = true;
267
268 sta_update_last_rx_pkts(psta);
269
270 return ret;
271 }
272
expire_timeout_chk(struct adapter * padapter)273 void expire_timeout_chk(struct adapter *padapter)
274 {
275 struct list_head *phead, *plist;
276 u8 updated = 0;
277 struct sta_info *psta = NULL;
278 struct sta_priv *pstapriv = &padapter->stapriv;
279 u8 chk_alive_num = 0;
280 char chk_alive_list[NUM_STA];
281 int i;
282
283 spin_lock_bh(&pstapriv->auth_list_lock);
284
285 phead = &pstapriv->auth_list;
286 plist = phead->next;
287
288 /* check auth_queue */
289 while (phead != plist) {
290 psta = container_of(plist, struct sta_info, auth_list);
291 plist = plist->next;
292
293 if (psta->expire_to > 0) {
294 psta->expire_to--;
295 if (psta->expire_to == 0) {
296 list_del_init(&psta->auth_list);
297 pstapriv->auth_list_cnt--;
298
299 DBG_88E("auth expire %6ph\n",
300 psta->hwaddr);
301
302 spin_unlock_bh(&pstapriv->auth_list_lock);
303
304 spin_lock_bh(&(pstapriv->sta_hash_lock));
305 rtw_free_stainfo(padapter, psta);
306 spin_unlock_bh(&(pstapriv->sta_hash_lock));
307
308 spin_lock_bh(&pstapriv->auth_list_lock);
309 }
310 }
311
312 }
313 spin_unlock_bh(&pstapriv->auth_list_lock);
314
315 psta = NULL;
316
317 spin_lock_bh(&pstapriv->asoc_list_lock);
318
319 phead = &pstapriv->asoc_list;
320 plist = phead->next;
321
322 /* check asoc_queue */
323 while (phead != plist) {
324 psta = container_of(plist, struct sta_info, asoc_list);
325 plist = plist->next;
326
327 if (chk_sta_is_alive(psta) || !psta->expire_to) {
328 psta->expire_to = pstapriv->expire_to;
329 psta->keep_alive_trycnt = 0;
330 psta->under_exist_checking = 0;
331 } else {
332 psta->expire_to--;
333 }
334
335 if (psta->expire_to <= 0) {
336 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
337
338 if (padapter->registrypriv.wifi_spec == 1) {
339 psta->expire_to = pstapriv->expire_to;
340 continue;
341 }
342
343 if (psta->state & WIFI_SLEEP_STATE) {
344 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
345 /* to check if alive by another methods if station is at ps mode. */
346 psta->expire_to = pstapriv->expire_to;
347 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
348
349 /* to update bcn with tim_bitmap for this station */
350 pstapriv->tim_bitmap |= BIT(psta->aid);
351 update_beacon(padapter, _TIM_IE_, NULL, false);
352
353 if (!pmlmeext->active_keep_alive_check)
354 continue;
355 }
356 }
357 if (pmlmeext->active_keep_alive_check) {
358 int stainfo_offset;
359
360 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
361 if (stainfo_offset_valid(stainfo_offset))
362 chk_alive_list[chk_alive_num++] = stainfo_offset;
363 continue;
364 }
365
366 list_del_init(&psta->asoc_list);
367 pstapriv->asoc_list_cnt--;
368
369 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
370 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
371 } else {
372 /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
373 if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt) &&
374 padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME/pstapriv->asoc_list_cnt/2)) {
375 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
376 (psta->hwaddr), psta->sleepq_len,
377 padapter->xmitpriv.free_xmitframe_cnt,
378 pstapriv->asoc_list_cnt);
379 wakeup_sta_to_xmit(padapter, psta);
380 }
381 }
382 }
383
384 spin_unlock_bh(&pstapriv->asoc_list_lock);
385
386 if (chk_alive_num) {
387 u8 backup_oper_channel = 0;
388 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
389 /* switch to correct channel of current network before issue keep-alive frames */
390 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
391 backup_oper_channel = rtw_get_oper_ch(padapter);
392 SelectChannel(padapter, pmlmeext->cur_channel);
393 }
394
395 /* issue null data to check sta alive*/
396 for (i = 0; i < chk_alive_num; i++) {
397 int ret = _FAIL;
398
399 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
400
401 if (psta->state & WIFI_SLEEP_STATE)
402 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
403 else
404 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
405
406 psta->keep_alive_trycnt++;
407 if (ret == _SUCCESS) {
408 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
409 psta->expire_to = pstapriv->expire_to;
410 psta->keep_alive_trycnt = 0;
411 continue;
412 } else if (psta->keep_alive_trycnt <= 3) {
413 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
414 psta->expire_to = 1;
415 continue;
416 }
417
418 psta->keep_alive_trycnt = 0;
419
420 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
421 spin_lock_bh(&pstapriv->asoc_list_lock);
422 list_del_init(&psta->asoc_list);
423 pstapriv->asoc_list_cnt--;
424 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
425 spin_unlock_bh(&pstapriv->asoc_list_lock);
426 }
427
428 if (backup_oper_channel > 0) /* back to the original operation channel */
429 SelectChannel(padapter, backup_oper_channel);
430 }
431
432 associated_clients_update(padapter, updated);
433 }
434
add_RATid(struct adapter * padapter,struct sta_info * psta,u8 rssi_level)435 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
436 {
437 int i;
438 u8 rf_type;
439 u32 init_rate = 0;
440 unsigned char sta_band = 0, raid, shortGIrate = false;
441 unsigned char limit;
442 unsigned int tx_ra_bitmap = 0;
443 struct ht_priv *psta_ht = NULL;
444 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
445 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
446
447 if (psta)
448 psta_ht = &psta->htpriv;
449 else
450 return;
451
452 if (!(psta->state & _FW_LINKED))
453 return;
454
455 /* b/g mode ra_bitmap */
456 for (i = 0; i < sizeof(psta->bssrateset); i++) {
457 if (psta->bssrateset[i])
458 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
459 }
460 /* n mode ra_bitmap */
461 if (psta_ht->ht_option) {
462 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
463 if (rf_type == RF_2T2R)
464 limit = 16;/* 2R */
465 else
466 limit = 8;/* 1R */
467
468 for (i = 0; i < limit; i++) {
469 if (psta_ht->ht_cap.supp_mcs_set[i/8] & BIT(i%8))
470 tx_ra_bitmap |= BIT(i+12);
471 }
472
473 /* max short GI rate */
474 shortGIrate = psta_ht->sgi;
475 }
476
477 if (pcur_network->Configuration.DSConfig > 14) {
478 /* 5G band */
479 if (tx_ra_bitmap & 0xffff000)
480 sta_band |= WIRELESS_11_5N | WIRELESS_11A;
481 else
482 sta_band |= WIRELESS_11A;
483 } else {
484 if (tx_ra_bitmap & 0xffff000)
485 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
486 else if (tx_ra_bitmap & 0xff0)
487 sta_band |= WIRELESS_11G | WIRELESS_11B;
488 else
489 sta_band |= WIRELESS_11B;
490 }
491
492 psta->wireless_mode = sta_band;
493
494 raid = networktype_to_raid(sta_band);
495 init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
496
497 if (psta->aid < NUM_STA) {
498 u8 arg = 0;
499
500 arg = psta->mac_id&0x1f;
501
502 arg |= BIT(7);/* support entry 2~31 */
503
504 if (shortGIrate)
505 arg |= BIT(5);
506
507 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
508
509 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
510 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
511
512 /* bitmap[0:27] = tx_rate_bitmap */
513 /* bitmap[28:31]= Rate Adaptive id */
514 /* arg[0:4] = macid */
515 /* arg[5] = Short GI */
516 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
517
518 if (shortGIrate)
519 init_rate |= BIT(6);
520
521 /* set ra_id, init_rate */
522 psta->raid = raid;
523 psta->init_rate = init_rate;
524
525 } else {
526 DBG_88E("station aid %d exceed the max number\n", psta->aid);
527 }
528 }
529
update_bmc_sta(struct adapter * padapter)530 static void update_bmc_sta(struct adapter *padapter)
531 {
532 u32 init_rate = 0;
533 unsigned char network_type, raid;
534 int i, supportRateNum = 0;
535 unsigned int tx_ra_bitmap = 0;
536 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
537 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
538 struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
539
540 if (psta) {
541 psta->aid = 0;/* default set to 0 */
542 psta->mac_id = psta->aid + 1;
543
544 psta->qos_option = 0;
545 psta->htpriv.ht_option = false;
546
547 psta->ieee8021x_blocked = 0;
548
549 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
550
551 /* prepare for add_RATid */
552 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
553 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
554
555 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
556 psta->bssratelen = supportRateNum;
557
558 /* b/g mode ra_bitmap */
559 for (i = 0; i < supportRateNum; i++) {
560 if (psta->bssrateset[i])
561 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
562 }
563
564 if (pcur_network->Configuration.DSConfig > 14) {
565 /* force to A mode. 5G doesn't support CCK rates */
566 network_type = WIRELESS_11A;
567 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
568 } else {
569 /* force to b mode */
570 network_type = WIRELESS_11B;
571 tx_ra_bitmap = 0xf;
572 }
573
574 raid = networktype_to_raid(network_type);
575 init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
576
577 /* ap mode */
578 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
579
580 {
581 u8 arg = 0;
582
583 arg = psta->mac_id&0x1f;
584 arg |= BIT(7);
585 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
586 DBG_88E("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
587
588 /* bitmap[0:27] = tx_rate_bitmap */
589 /* bitmap[28:31]= Rate Adaptive id */
590 /* arg[0:4] = macid */
591 /* arg[5] = Short GI */
592 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
593 }
594 /* set ra_id, init_rate */
595 psta->raid = raid;
596 psta->init_rate = init_rate;
597
598 rtw_stassoc_hw_rpt(padapter, psta);
599
600 spin_lock_bh(&psta->lock);
601 psta->state = _FW_LINKED;
602 spin_unlock_bh(&psta->lock);
603
604 } else {
605 DBG_88E("add_RATid_bmc_sta error!\n");
606 }
607 }
608
609 /* notes: */
610 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
611 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
612 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
613 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
614 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
615
update_sta_info_apmode(struct adapter * padapter,struct sta_info * psta)616 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
617 {
618 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
619 struct security_priv *psecuritypriv = &padapter->securitypriv;
620 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
621 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
622 struct ht_priv *phtpriv_sta = &psta->htpriv;
623
624 psta->mac_id = psta->aid+1;
625 DBG_88E("%s\n", __func__);
626
627 /* ap mode */
628 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
629
630 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
631 psta->ieee8021x_blocked = true;
632 else
633 psta->ieee8021x_blocked = false;
634
635
636 /* update sta's cap */
637
638 /* ERP */
639 VCS_update(padapter, psta);
640 /* HT related cap */
641 if (phtpriv_sta->ht_option) {
642 /* check if sta supports rx ampdu */
643 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
644
645 /* check if sta support s Short GI */
646 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
647 phtpriv_sta->sgi = true;
648
649 /* bwmode */
650 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) {
651 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
652 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
653 }
654 psta->qos_option = true;
655 } else {
656 phtpriv_sta->ampdu_enable = false;
657 phtpriv_sta->sgi = false;
658 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
659 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
660 }
661
662 /* Rx AMPDU */
663 send_delba(padapter, 0, psta->hwaddr);/* recipient */
664
665 /* TX AMPDU */
666 send_delba(padapter, 1, psta->hwaddr);/* originator */
667 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
668 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
669
670 /* todo: init other variables */
671
672 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
673
674 spin_lock_bh(&psta->lock);
675 psta->state |= _FW_LINKED;
676 spin_unlock_bh(&psta->lock);
677 }
678
update_hw_ht_param(struct adapter * padapter)679 static void update_hw_ht_param(struct adapter *padapter)
680 {
681 unsigned char max_AMPDU_len;
682 unsigned char min_MPDU_spacing;
683 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
684 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
685
686 DBG_88E("%s\n", __func__);
687
688 /* handle A-MPDU parameter field */
689 /*
690 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
691 AMPDU_para [4:2]:Min MPDU Start Spacing
692 */
693 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
694
695 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
696
697 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
698
699 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
700
701 /* */
702 /* Config SM Power Save setting */
703 /* */
704 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
705 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
706 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
707 }
708
start_bss_network(struct adapter * padapter,u8 * pbuf)709 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
710 {
711 u8 *p;
712 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
713 u16 bcn_interval;
714 u32 acparm;
715 int ie_len;
716 struct registry_priv *pregpriv = &padapter->registrypriv;
717 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
718 struct security_priv *psecuritypriv = &(padapter->securitypriv);
719 struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
720 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
721 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
722 struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
723 struct HT_info_element *pht_info = NULL;
724
725 bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
726 cur_channel = pnetwork->Configuration.DSConfig;
727 cur_bwmode = HT_CHANNEL_WIDTH_20;
728 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
729
730
731 /* check if there is wps ie, */
732 /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
733 /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
734 if (!rtw_get_wps_ie(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
735 pmlmeext->bstart_bss = true;
736
737 /* todo: update wmm, ht cap */
738 if (pmlmepriv->qospriv.qos_option)
739 pmlmeinfo->WMM_enable = true;
740 if (pmlmepriv->htpriv.ht_option) {
741 pmlmeinfo->WMM_enable = true;
742 pmlmeinfo->HT_enable = true;
743
744 update_hw_ht_param(padapter);
745 }
746
747 if (pmlmepriv->cur_network.join_res != true) { /* setting only at first time */
748 /* WEP Key will be set before this function, do not clear CAM. */
749 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
750 (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
751 flush_all_cam_entry(padapter); /* clear CAM */
752 }
753
754 /* set MSR to AP_Mode */
755 Set_MSR(padapter, _HW_STATE_AP_);
756
757 /* Set BSSID REG */
758 rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
759
760 /* Set EDCA param reg */
761 acparm = 0x002F3217; /* VO */
762 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
763 acparm = 0x005E4317; /* VI */
764 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
765 acparm = 0x005ea42b;
766 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
767 acparm = 0x0000A444; /* BK */
768 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
769
770 /* Set Security */
771 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
772 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
773
774 /* Beacon Control related register */
775 rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
776
777 UpdateBrateTbl(padapter, pnetwork->SupportedRates);
778 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
779
780 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
781 /* turn on all dynamic functions */
782 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
783 }
784 /* set channel, bwmode */
785 p = rtw_get_ie((pnetwork->IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - sizeof(struct ndis_802_11_fixed_ie)));
786 if (p && ie_len) {
787 pht_info = (struct HT_info_element *)(p+2);
788
789 if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
790 /* switch to the 40M Hz mode */
791 cur_bwmode = HT_CHANNEL_WIDTH_40;
792 switch (pht_info->infos[0] & 0x3) {
793 case 1:
794 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
795 break;
796 case 3:
797 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
798 break;
799 default:
800 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
801 break;
802 }
803 }
804 }
805 /* TODO: need to judge the phy parameters on concurrent mode for single phy */
806 set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
807
808 DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
809
810 /* */
811 pmlmeext->cur_channel = cur_channel;
812 pmlmeext->cur_bwmode = cur_bwmode;
813 pmlmeext->cur_ch_offset = cur_ch_offset;
814 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
815
816 /* update cur_wireless_mode */
817 update_wireless_mode(padapter);
818
819 /* update capability after cur_wireless_mode updated */
820 update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
821
822 /* let pnetwork_mlmeext == pnetwork_mlme. */
823 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
824
825 if (pmlmeext->bstart_bss) {
826 update_beacon(padapter, _TIM_IE_, NULL, false);
827
828 /* issue beacon frame */
829 if (send_beacon(padapter) == _FAIL)
830 DBG_88E("issue_beacon, fail!\n");
831 }
832
833 /* update bc/mc sta_info */
834 update_bmc_sta(padapter);
835 }
836
rtw_check_beacon_data(struct adapter * padapter,u8 * pbuf,int len)837 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
838 {
839 int ret = _SUCCESS;
840 u8 *p;
841 u8 *pHT_caps_ie = NULL;
842 u8 *pHT_info_ie = NULL;
843 struct sta_info *psta = NULL;
844 u16 cap, ht_cap = false;
845 uint ie_len = 0;
846 int group_cipher, pairwise_cipher;
847 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
848 int supportRateNum = 0;
849 u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
850 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
851 struct registry_priv *pregistrypriv = &padapter->registrypriv;
852 struct security_priv *psecuritypriv = &padapter->securitypriv;
853 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
854 struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
855 u8 *ie = pbss_network->IEs;
856
857 /* SSID */
858 /* Supported rates */
859 /* DS Params */
860 /* WLAN_EID_COUNTRY */
861 /* ERP Information element */
862 /* Extended supported rates */
863 /* WPA/WPA2 */
864 /* Wi-Fi Wireless Multimedia Extensions */
865 /* ht_capab, ht_oper */
866 /* WPS IE */
867
868 DBG_88E("%s, len =%d\n", __func__, len);
869
870 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
871 return _FAIL;
872
873
874 if (len > MAX_IE_SZ)
875 return _FAIL;
876
877 pbss_network->IELength = len;
878
879 memset(ie, 0, MAX_IE_SZ);
880
881 memcpy(ie, pbuf, pbss_network->IELength);
882
883
884 if (pbss_network->InfrastructureMode != Ndis802_11APMode)
885 return _FAIL;
886
887 pbss_network->Rssi = 0;
888
889 ether_addr_copy(pbss_network->MacAddress, myid(&(padapter->eeprompriv)));
890
891 /* beacon interval */
892 p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
893 pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
894
895 /* capability */
896 cap = get_unaligned_le16(ie);
897
898 /* SSID */
899 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
900 if (p && ie_len > 0) {
901 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
902 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
903 pbss_network->Ssid.SsidLength = ie_len;
904 }
905
906 /* channel */
907 channel = 0;
908 pbss_network->Configuration.Length = 0;
909 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
910 if (p && ie_len > 0)
911 channel = *(p + 2);
912
913 pbss_network->Configuration.DSConfig = channel;
914
915 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
916 /* get supported rates */
917 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
918 if (p != NULL) {
919 memcpy(supportRate, p+2, ie_len);
920 supportRateNum = ie_len;
921 }
922
923 /* get ext_supported rates */
924 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
925 if (p != NULL) {
926 memcpy(supportRate+supportRateNum, p+2, ie_len);
927 supportRateNum += ie_len;
928 }
929
930 network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
931
932 rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
933
934 /* parsing ERP_IE */
935 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
936 if (p && ie_len > 0)
937 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
938
939 /* update privacy/security */
940 if (cap & BIT(4))
941 pbss_network->Privacy = 1;
942 else
943 pbss_network->Privacy = 0;
944
945 psecuritypriv->wpa_psk = 0;
946
947 /* wpa2 */
948 group_cipher = 0;
949 pairwise_cipher = 0;
950 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
951 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
952 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
953 if (p && ie_len > 0) {
954 if (rtw_parse_wpa2_ie(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
955 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
956
957 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
958 psecuritypriv->wpa_psk |= BIT(1);
959
960 psecuritypriv->wpa2_group_cipher = group_cipher;
961 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
962 }
963 }
964 /* wpa */
965 ie_len = 0;
966 group_cipher = 0;
967 pairwise_cipher = 0;
968 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
969 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
970 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
971 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
972 (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
973 if ((p) && (!memcmp(p+2, OUI1, 4))) {
974 if (rtw_parse_wpa_ie(p, ie_len+2, &group_cipher,
975 &pairwise_cipher, NULL) == _SUCCESS) {
976 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
977
978 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
979
980 psecuritypriv->wpa_psk |= BIT(0);
981
982 psecuritypriv->wpa_group_cipher = group_cipher;
983 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
984 }
985 break;
986 }
987 if ((p == NULL) || (ie_len == 0))
988 break;
989 }
990
991 /* wmm */
992 ie_len = 0;
993 pmlmepriv->qospriv.qos_option = 0;
994 if (pregistrypriv->wmm_enable) {
995 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
996 p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
997 (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
998 if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
999 pmlmepriv->qospriv.qos_option = 1;
1000
1001 *(p+8) |= BIT(7);/* QoS Info, support U-APSD */
1002
1003 /* disable all ACM bits since the WMM admission control is not supported */
1004 *(p + 10) &= ~BIT(4); /* BE */
1005 *(p + 14) &= ~BIT(4); /* BK */
1006 *(p + 18) &= ~BIT(4); /* VI */
1007 *(p + 22) &= ~BIT(4); /* VO */
1008 break;
1009 }
1010
1011 if ((p == NULL) || (ie_len == 0))
1012 break;
1013 }
1014 }
1015 /* parsing HT_CAP_IE */
1016 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
1017 (pbss_network->IELength - _BEACON_IE_OFFSET_));
1018 if (p && ie_len > 0) {
1019 u8 rf_type;
1020 struct rtw_ieee80211_ht_cap *pht_cap = (struct rtw_ieee80211_ht_cap *)(p+2);
1021
1022 pHT_caps_ie = p;
1023 ht_cap = true;
1024 network_type |= WIRELESS_11_24N;
1025
1026 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1027
1028 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1029 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
1030 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
1031 else
1032 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
1033
1034 /* set Max Rx AMPDU size to 64K */
1035 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
1036
1037 if (rf_type == RF_1T1R) {
1038 pht_cap->supp_mcs_set[0] = 0xff;
1039 pht_cap->supp_mcs_set[1] = 0x0;
1040 }
1041 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1042 }
1043
1044 /* parsing HT_INFO_IE */
1045 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
1046 (pbss_network->IELength - _BEACON_IE_OFFSET_));
1047 if (p && ie_len > 0)
1048 pHT_info_ie = p;
1049 switch (network_type) {
1050 case WIRELESS_11B:
1051 pbss_network->NetworkTypeInUse = Ndis802_11DS;
1052 break;
1053 case WIRELESS_11G:
1054 case WIRELESS_11BG:
1055 case WIRELESS_11G_24N:
1056 case WIRELESS_11BG_24N:
1057 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1058 break;
1059 case WIRELESS_11A:
1060 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
1061 break;
1062 default:
1063 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1064 break;
1065 }
1066
1067 pmlmepriv->cur_network.network_type = network_type;
1068
1069 pmlmepriv->htpriv.ht_option = false;
1070
1071 if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1072 (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1073 /* todo: */
1074 /* ht_cap = false; */
1075 }
1076
1077 /* ht_cap */
1078 if (pregistrypriv->ht_enable && ht_cap) {
1079 pmlmepriv->htpriv.ht_option = true;
1080 pmlmepriv->qospriv.qos_option = 1;
1081
1082 if (pregistrypriv->ampdu_enable == 1)
1083 pmlmepriv->htpriv.ampdu_enable = true;
1084 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
1085
1086 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
1087 }
1088
1089 pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
1090
1091 /* issue beacon to start bss network */
1092 start_bss_network(padapter, (u8 *)pbss_network);
1093
1094 /* alloc sta_info for ap itself */
1095 psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1096 if (!psta) {
1097 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1098 if (psta == NULL)
1099 return _FAIL;
1100 }
1101
1102 /* fix bug of flush_cam_entry at STOP AP mode */
1103 psta->state |= WIFI_AP_STATE;
1104 rtw_indicate_connect(padapter);
1105 pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1106 return ret;
1107 }
1108
rtw_set_macaddr_acl(struct adapter * padapter,int mode)1109 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1110 {
1111 struct sta_priv *pstapriv = &padapter->stapriv;
1112 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1113
1114 DBG_88E("%s, mode =%d\n", __func__, mode);
1115
1116 pacl_list->mode = mode;
1117 }
1118
rtw_acl_add_sta(struct adapter * padapter,u8 * addr)1119 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1120 {
1121 struct list_head *plist, *phead;
1122 u8 added = false;
1123 int i, ret = 0;
1124 struct rtw_wlan_acl_node *paclnode;
1125 struct sta_priv *pstapriv = &padapter->stapriv;
1126 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1127 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1128
1129 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1130
1131 if ((NUM_ACL-1) < pacl_list->num)
1132 return -1;
1133
1134 spin_lock_bh(&(pacl_node_q->lock));
1135
1136 phead = get_list_head(pacl_node_q);
1137 plist = phead->next;
1138
1139 while (phead != plist) {
1140 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1141 plist = plist->next;
1142
1143 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1144 if (paclnode->valid) {
1145 added = true;
1146 DBG_88E("%s, sta has been added\n", __func__);
1147 break;
1148 }
1149 }
1150 }
1151
1152 spin_unlock_bh(&(pacl_node_q->lock));
1153
1154 if (added)
1155 return ret;
1156
1157 spin_lock_bh(&(pacl_node_q->lock));
1158
1159 for (i = 0; i < NUM_ACL; i++) {
1160 paclnode = &pacl_list->aclnode[i];
1161
1162 if (!paclnode->valid) {
1163 INIT_LIST_HEAD(&paclnode->list);
1164
1165 ether_addr_copy(paclnode->addr, addr);
1166
1167 paclnode->valid = true;
1168
1169 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1170
1171 pacl_list->num++;
1172
1173 break;
1174 }
1175 }
1176
1177 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1178
1179 spin_unlock_bh(&(pacl_node_q->lock));
1180
1181 return ret;
1182 }
1183
rtw_acl_remove_sta(struct adapter * padapter,u8 * addr)1184 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1185 {
1186 struct list_head *plist, *phead;
1187 struct rtw_wlan_acl_node *paclnode;
1188 struct sta_priv *pstapriv = &padapter->stapriv;
1189 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1190 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1191
1192 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1193
1194 spin_lock_bh(&(pacl_node_q->lock));
1195
1196 phead = get_list_head(pacl_node_q);
1197 plist = phead->next;
1198
1199 while (phead != plist) {
1200 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1201 plist = plist->next;
1202
1203 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1204 if (paclnode->valid) {
1205 paclnode->valid = false;
1206
1207 list_del_init(&paclnode->list);
1208
1209 pacl_list->num--;
1210 }
1211 }
1212 }
1213
1214 spin_unlock_bh(&(pacl_node_q->lock));
1215
1216 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1217 return 0;
1218 }
1219
update_bcn_fixed_ie(struct adapter * padapter)1220 static void update_bcn_fixed_ie(struct adapter *padapter)
1221 {
1222 DBG_88E("%s\n", __func__);
1223 }
1224
update_bcn_erpinfo_ie(struct adapter * padapter)1225 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1226 {
1227 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1228 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1229 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1230 struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1231 unsigned char *p, *ie = pnetwork->IEs;
1232 u32 len = 0;
1233
1234 DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1235
1236 if (!pmlmeinfo->ERP_enable)
1237 return;
1238
1239 /* parsing ERP_IE */
1240 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1241 (pnetwork->IELength - _BEACON_IE_OFFSET_));
1242 if (p && len > 0) {
1243 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1244
1245 if (pmlmepriv->num_sta_non_erp == 1)
1246 pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
1247 else
1248 pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
1249
1250 if (pmlmepriv->num_sta_no_short_preamble > 0)
1251 pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1252 else
1253 pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1254
1255 ERP_IE_handler(padapter, pIE);
1256 }
1257 }
1258
update_bcn_htcap_ie(struct adapter * padapter)1259 static void update_bcn_htcap_ie(struct adapter *padapter)
1260 {
1261 DBG_88E("%s\n", __func__);
1262 }
1263
update_bcn_htinfo_ie(struct adapter * padapter)1264 static void update_bcn_htinfo_ie(struct adapter *padapter)
1265 {
1266 DBG_88E("%s\n", __func__);
1267 }
1268
update_bcn_rsn_ie(struct adapter * padapter)1269 static void update_bcn_rsn_ie(struct adapter *padapter)
1270 {
1271 DBG_88E("%s\n", __func__);
1272 }
1273
update_bcn_wpa_ie(struct adapter * padapter)1274 static void update_bcn_wpa_ie(struct adapter *padapter)
1275 {
1276 DBG_88E("%s\n", __func__);
1277 }
1278
update_bcn_wmm_ie(struct adapter * padapter)1279 static void update_bcn_wmm_ie(struct adapter *padapter)
1280 {
1281 DBG_88E("%s\n", __func__);
1282 }
1283
update_bcn_wps_ie(struct adapter * padapter)1284 static void update_bcn_wps_ie(struct adapter *padapter)
1285 {
1286 u8 *pwps_ie = NULL, *pwps_ie_src;
1287 u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1288 uint wps_ielen = 0, wps_offset, remainder_ielen;
1289 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1290 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1291 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1292 struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1293 unsigned char *ie = pnetwork->IEs;
1294 u32 ielen = pnetwork->IELength;
1295
1296 DBG_88E("%s\n", __func__);
1297
1298 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1299 if (pwps_ie_src == NULL)
1300 return;
1301
1302 pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1303
1304 if (pwps_ie == NULL || wps_ielen == 0)
1305 return;
1306
1307 wps_offset = (uint)(pwps_ie-ie);
1308
1309 premainder_ie = pwps_ie + wps_ielen;
1310
1311 remainder_ielen = ielen - wps_offset - wps_ielen;
1312
1313 if (remainder_ielen > 0) {
1314 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1315 if (pbackup_remainder_ie)
1316 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1317 }
1318
1319 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1320 if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
1321 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1322 pwps_ie += (wps_ielen+2);
1323
1324 if (pbackup_remainder_ie)
1325 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1326
1327 /* update IELength */
1328 pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
1329 }
1330
1331 kfree(pbackup_remainder_ie);
1332 }
1333
update_bcn_p2p_ie(struct adapter * padapter)1334 static void update_bcn_p2p_ie(struct adapter *padapter)
1335 {
1336 }
1337
update_bcn_vendor_spec_ie(struct adapter * padapter,u8 * oui)1338 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1339 {
1340 DBG_88E("%s\n", __func__);
1341
1342 if (!memcmp(RTW_WPA_OUI, oui, 4))
1343 update_bcn_wpa_ie(padapter);
1344 else if (!memcmp(WMM_OUI, oui, 4))
1345 update_bcn_wmm_ie(padapter);
1346 else if (!memcmp(WPS_OUI, oui, 4))
1347 update_bcn_wps_ie(padapter);
1348 else if (!memcmp(P2P_OUI, oui, 4))
1349 update_bcn_p2p_ie(padapter);
1350 else
1351 DBG_88E("unknown OUI type!\n");
1352 }
1353
update_beacon(struct adapter * padapter,u8 ie_id,u8 * oui,u8 tx)1354 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1355 {
1356 struct mlme_priv *pmlmepriv;
1357 struct mlme_ext_priv *pmlmeext;
1358
1359 if (!padapter)
1360 return;
1361
1362 pmlmepriv = &(padapter->mlmepriv);
1363 pmlmeext = &(padapter->mlmeextpriv);
1364
1365 if (!pmlmeext->bstart_bss)
1366 return;
1367
1368 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1369
1370 switch (ie_id) {
1371 case 0xFF:
1372 update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1373 break;
1374 case _TIM_IE_:
1375 update_BCNTIM(padapter);
1376 break;
1377 case _ERPINFO_IE_:
1378 update_bcn_erpinfo_ie(padapter);
1379 break;
1380 case _HT_CAPABILITY_IE_:
1381 update_bcn_htcap_ie(padapter);
1382 break;
1383 case _RSN_IE_2_:
1384 update_bcn_rsn_ie(padapter);
1385 break;
1386 case _HT_ADD_INFO_IE_:
1387 update_bcn_htinfo_ie(padapter);
1388 break;
1389 case _VENDOR_SPECIFIC_IE_:
1390 update_bcn_vendor_spec_ie(padapter, oui);
1391 break;
1392 default:
1393 break;
1394 }
1395
1396 pmlmepriv->update_bcn = true;
1397
1398 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1399
1400 if (tx)
1401 set_tx_beacon_cmd(padapter);
1402 }
1403
1404 /*
1405 op_mode
1406 Set to 0 (HT pure) under the following conditions
1407 - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1408 - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1409 Set to 1 (HT non-member protection) if there may be non-HT STAs
1410 in both the primary and the secondary channel
1411 Set to 2 if only HT STAs are associated in BSS,
1412 however and at least one 20 MHz HT STA is associated
1413 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1414 (currently non-GF HT station is considered as non-HT STA also)
1415 */
rtw_ht_operation_update(struct adapter * padapter)1416 static int rtw_ht_operation_update(struct adapter *padapter)
1417 {
1418 u16 cur_op_mode, new_op_mode;
1419 int op_mode_changes = 0;
1420 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1421 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1422
1423 if (pmlmepriv->htpriv.ht_option)
1424 return 0;
1425
1426 DBG_88E("%s current operation mode = 0x%X\n",
1427 __func__, pmlmepriv->ht_op_mode);
1428
1429 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1430 pmlmepriv->num_sta_ht_no_gf) {
1431 pmlmepriv->ht_op_mode |=
1432 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1433 op_mode_changes++;
1434 } else if ((pmlmepriv->ht_op_mode &
1435 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1436 pmlmepriv->num_sta_ht_no_gf == 0) {
1437 pmlmepriv->ht_op_mode &=
1438 ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1439 op_mode_changes++;
1440 }
1441
1442 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1443 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1444 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1445 op_mode_changes++;
1446 } else if ((pmlmepriv->ht_op_mode &
1447 HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1448 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1449 pmlmepriv->ht_op_mode &=
1450 ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1451 op_mode_changes++;
1452 }
1453
1454 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1455 * station is associated. Probably it's a theoretical case, since
1456 * it looks like all known HT STAs support greenfield.
1457 */
1458 new_op_mode = 0;
1459 if (pmlmepriv->num_sta_no_ht ||
1460 (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1461 new_op_mode = OP_MODE_MIXED;
1462 else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH) &&
1463 pmlmepriv->num_sta_ht_20mhz)
1464 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1465 else if (pmlmepriv->olbc_ht)
1466 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1467 else
1468 new_op_mode = OP_MODE_PURE;
1469
1470 cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1471 if (cur_op_mode != new_op_mode) {
1472 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1473 pmlmepriv->ht_op_mode |= new_op_mode;
1474 op_mode_changes++;
1475 }
1476
1477 DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1478 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1479
1480 return op_mode_changes;
1481 }
1482
associated_clients_update(struct adapter * padapter,u8 updated)1483 void associated_clients_update(struct adapter *padapter, u8 updated)
1484 {
1485 /* update associated stations cap. */
1486 if (updated) {
1487 struct list_head *phead, *plist;
1488 struct sta_info *psta = NULL;
1489 struct sta_priv *pstapriv = &padapter->stapriv;
1490
1491 spin_lock_bh(&pstapriv->asoc_list_lock);
1492
1493 phead = &pstapriv->asoc_list;
1494 plist = phead->next;
1495
1496 /* check asoc_queue */
1497 while (phead != plist) {
1498 psta = container_of(plist, struct sta_info, asoc_list);
1499
1500 plist = plist->next;
1501
1502 VCS_update(padapter, psta);
1503 }
1504 spin_unlock_bh(&pstapriv->asoc_list_lock);
1505 }
1506 }
1507
1508 /* called > TSR LEVEL for USB or SDIO Interface*/
bss_cap_update_on_sta_join(struct adapter * padapter,struct sta_info * psta)1509 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1510 {
1511 u8 beacon_updated = false;
1512 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1513 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1514
1515 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1516 if (!psta->no_short_preamble_set) {
1517 psta->no_short_preamble_set = 1;
1518
1519 pmlmepriv->num_sta_no_short_preamble++;
1520
1521 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1522 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1523 beacon_updated = true;
1524 update_beacon(padapter, 0xFF, NULL, true);
1525 }
1526 }
1527 } else {
1528 if (psta->no_short_preamble_set) {
1529 psta->no_short_preamble_set = 0;
1530
1531 pmlmepriv->num_sta_no_short_preamble--;
1532
1533 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1534 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1535 beacon_updated = true;
1536 update_beacon(padapter, 0xFF, NULL, true);
1537 }
1538 }
1539 }
1540
1541 if (psta->flags & WLAN_STA_NONERP) {
1542 if (!psta->nonerp_set) {
1543 psta->nonerp_set = 1;
1544
1545 pmlmepriv->num_sta_non_erp++;
1546
1547 if (pmlmepriv->num_sta_non_erp == 1) {
1548 beacon_updated = true;
1549 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1550 }
1551 }
1552 } else {
1553 if (psta->nonerp_set) {
1554 psta->nonerp_set = 0;
1555
1556 pmlmepriv->num_sta_non_erp--;
1557
1558 if (pmlmepriv->num_sta_non_erp == 0) {
1559 beacon_updated = true;
1560 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1561 }
1562 }
1563 }
1564
1565 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT)) {
1566 if (!psta->no_short_slot_time_set) {
1567 psta->no_short_slot_time_set = 1;
1568
1569 pmlmepriv->num_sta_no_short_slot_time++;
1570
1571 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1572 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1573 beacon_updated = true;
1574 update_beacon(padapter, 0xFF, NULL, true);
1575 }
1576 }
1577 } else {
1578 if (psta->no_short_slot_time_set) {
1579 psta->no_short_slot_time_set = 0;
1580
1581 pmlmepriv->num_sta_no_short_slot_time--;
1582
1583 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1584 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1585 beacon_updated = true;
1586 update_beacon(padapter, 0xFF, NULL, true);
1587 }
1588 }
1589 }
1590
1591 if (psta->flags & WLAN_STA_HT) {
1592 u16 ht_capab = psta->htpriv.ht_cap.cap_info;
1593
1594 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1595 (psta->hwaddr), ht_capab);
1596
1597 if (psta->no_ht_set) {
1598 psta->no_ht_set = 0;
1599 pmlmepriv->num_sta_no_ht--;
1600 }
1601
1602 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1603 if (!psta->no_ht_gf_set) {
1604 psta->no_ht_gf_set = 1;
1605 pmlmepriv->num_sta_ht_no_gf++;
1606 }
1607 DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1608 __func__, (psta->hwaddr),
1609 pmlmepriv->num_sta_ht_no_gf);
1610 }
1611
1612 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1613 if (!psta->ht_20mhz_set) {
1614 psta->ht_20mhz_set = 1;
1615 pmlmepriv->num_sta_ht_20mhz++;
1616 }
1617 DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1618 __func__, (psta->hwaddr),
1619 pmlmepriv->num_sta_ht_20mhz);
1620 }
1621 } else {
1622 if (!psta->no_ht_set) {
1623 psta->no_ht_set = 1;
1624 pmlmepriv->num_sta_no_ht++;
1625 }
1626 if (pmlmepriv->htpriv.ht_option) {
1627 DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1628 __func__, (psta->hwaddr),
1629 pmlmepriv->num_sta_no_ht);
1630 }
1631 }
1632
1633 if (rtw_ht_operation_update(padapter) > 0) {
1634 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1635 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1636 }
1637
1638 /* update associated stations cap. */
1639 associated_clients_update(padapter, beacon_updated);
1640
1641 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1642 }
1643
bss_cap_update_on_sta_leave(struct adapter * padapter,struct sta_info * psta)1644 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1645 {
1646 u8 beacon_updated = false;
1647 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1648 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1649
1650 if (!psta)
1651 return beacon_updated;
1652
1653 if (psta->no_short_preamble_set) {
1654 psta->no_short_preamble_set = 0;
1655 pmlmepriv->num_sta_no_short_preamble--;
1656 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1657 pmlmepriv->num_sta_no_short_preamble == 0) {
1658 beacon_updated = true;
1659 update_beacon(padapter, 0xFF, NULL, true);
1660 }
1661 }
1662
1663 if (psta->nonerp_set) {
1664 psta->nonerp_set = 0;
1665 pmlmepriv->num_sta_non_erp--;
1666 if (pmlmepriv->num_sta_non_erp == 0) {
1667 beacon_updated = true;
1668 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1669 }
1670 }
1671
1672 if (psta->no_short_slot_time_set) {
1673 psta->no_short_slot_time_set = 0;
1674 pmlmepriv->num_sta_no_short_slot_time--;
1675 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1676 pmlmepriv->num_sta_no_short_slot_time == 0) {
1677 beacon_updated = true;
1678 update_beacon(padapter, 0xFF, NULL, true);
1679 }
1680 }
1681
1682 if (psta->no_ht_gf_set) {
1683 psta->no_ht_gf_set = 0;
1684 pmlmepriv->num_sta_ht_no_gf--;
1685 }
1686
1687 if (psta->no_ht_set) {
1688 psta->no_ht_set = 0;
1689 pmlmepriv->num_sta_no_ht--;
1690 }
1691
1692 if (psta->ht_20mhz_set) {
1693 psta->ht_20mhz_set = 0;
1694 pmlmepriv->num_sta_ht_20mhz--;
1695 }
1696
1697 if (rtw_ht_operation_update(padapter) > 0) {
1698 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1699 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1700 }
1701
1702 /* update associated stations cap. */
1703
1704 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1705
1706 return beacon_updated;
1707 }
1708
ap_free_sta(struct adapter * padapter,struct sta_info * psta,bool active,u16 reason)1709 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1710 bool active, u16 reason)
1711 {
1712 u8 beacon_updated = false;
1713 struct sta_priv *pstapriv = &padapter->stapriv;
1714
1715 if (!psta)
1716 return beacon_updated;
1717
1718 /* tear down Rx AMPDU */
1719 send_delba(padapter, 0, psta->hwaddr);/* recipient */
1720
1721 /* tear down TX AMPDU */
1722 send_delba(padapter, 1, psta->hwaddr);/* originator */
1723 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1724 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1725
1726 if (active)
1727 issue_deauth(padapter, psta->hwaddr, reason);
1728
1729 /* clear cam entry / key */
1730 rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1731
1732
1733 spin_lock_bh(&psta->lock);
1734 psta->state &= ~_FW_LINKED;
1735 spin_unlock_bh(&psta->lock);
1736
1737 rtw_indicate_sta_disassoc_event(padapter, psta);
1738
1739 report_del_sta_event(padapter, psta->hwaddr, reason);
1740
1741 beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1742
1743 spin_lock_bh(&(pstapriv->sta_hash_lock));
1744 rtw_free_stainfo(padapter, psta);
1745 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1746
1747 return beacon_updated;
1748 }
1749
rtw_ap_inform_ch_switch(struct adapter * padapter,u8 new_ch,u8 ch_offset)1750 int rtw_ap_inform_ch_switch(struct adapter *padapter, u8 new_ch, u8 ch_offset)
1751 {
1752 struct list_head *phead, *plist;
1753 struct sta_info *psta = NULL;
1754 struct sta_priv *pstapriv = &padapter->stapriv;
1755 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1756 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1757 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1758
1759 if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1760 return 0;
1761
1762 DBG_88E(FUNC_NDEV_FMT" with ch:%u, offset:%u\n",
1763 FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset);
1764
1765 spin_lock_bh(&pstapriv->asoc_list_lock);
1766 phead = &pstapriv->asoc_list;
1767 plist = phead->next;
1768
1769 /* for each sta in asoc_queue */
1770 while (phead != plist) {
1771 psta = container_of(plist, struct sta_info, asoc_list);
1772 plist = plist->next;
1773
1774 issue_action_spct_ch_switch(padapter, psta->hwaddr, new_ch, ch_offset);
1775 psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
1776 }
1777 spin_unlock_bh(&pstapriv->asoc_list_lock);
1778
1779 issue_action_spct_ch_switch(padapter, bc_addr, new_ch, ch_offset);
1780
1781 return 0;
1782 }
1783
rtw_sta_flush(struct adapter * padapter)1784 int rtw_sta_flush(struct adapter *padapter)
1785 {
1786 struct list_head *phead, *plist;
1787 struct sta_info *psta = NULL;
1788 struct sta_priv *pstapriv = &padapter->stapriv;
1789 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1790 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1791 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1792
1793 DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1794
1795 if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1796 return 0;
1797
1798 spin_lock_bh(&pstapriv->asoc_list_lock);
1799 phead = &pstapriv->asoc_list;
1800 plist = phead->next;
1801
1802 /* free sta asoc_queue */
1803 while (phead != plist) {
1804 psta = container_of(plist, struct sta_info, asoc_list);
1805
1806 plist = plist->next;
1807
1808 list_del_init(&psta->asoc_list);
1809 pstapriv->asoc_list_cnt--;
1810
1811 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1812 }
1813 spin_unlock_bh(&pstapriv->asoc_list_lock);
1814
1815
1816 issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1817
1818 associated_clients_update(padapter, true);
1819
1820 return 0;
1821 }
1822
1823 /* called > TSR LEVEL for USB or SDIO Interface*/
sta_info_update(struct adapter * padapter,struct sta_info * psta)1824 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1825 {
1826 int flags = psta->flags;
1827 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1828
1829 /* update wmm cap. */
1830 if (WLAN_STA_WME&flags)
1831 psta->qos_option = 1;
1832 else
1833 psta->qos_option = 0;
1834
1835 if (pmlmepriv->qospriv.qos_option == 0)
1836 psta->qos_option = 0;
1837
1838 /* update 802.11n ht cap. */
1839 if (WLAN_STA_HT&flags) {
1840 psta->htpriv.ht_option = true;
1841 psta->qos_option = 1;
1842 } else {
1843 psta->htpriv.ht_option = false;
1844 }
1845
1846 if (!pmlmepriv->htpriv.ht_option)
1847 psta->htpriv.ht_option = false;
1848
1849 update_sta_info_apmode(padapter, psta);
1850 }
1851
1852 /* called >= TSR LEVEL for USB or SDIO Interface*/
ap_sta_info_defer_update(struct adapter * padapter,struct sta_info * psta)1853 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1854 {
1855 if (psta->state & _FW_LINKED) {
1856 /* add ratid */
1857 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1858 }
1859 }
1860
start_ap_mode(struct adapter * padapter)1861 void start_ap_mode(struct adapter *padapter)
1862 {
1863 int i;
1864 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1865 struct sta_priv *pstapriv = &padapter->stapriv;
1866 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1867 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1868
1869 pmlmepriv->update_bcn = false;
1870
1871 pmlmeext->bstart_bss = false;
1872
1873 pmlmepriv->num_sta_non_erp = 0;
1874
1875 pmlmepriv->num_sta_no_short_slot_time = 0;
1876
1877 pmlmepriv->num_sta_no_short_preamble = 0;
1878
1879 pmlmepriv->num_sta_ht_no_gf = 0;
1880 pmlmepriv->num_sta_no_ht = 0;
1881 pmlmepriv->num_sta_ht_20mhz = 0;
1882
1883 pmlmepriv->olbc = false;
1884
1885 pmlmepriv->olbc_ht = false;
1886
1887 pmlmepriv->ht_op_mode = 0;
1888
1889 for (i = 0; i < NUM_STA; i++)
1890 pstapriv->sta_aid[i] = NULL;
1891
1892 pmlmepriv->wps_beacon_ie = NULL;
1893 pmlmepriv->wps_probe_resp_ie = NULL;
1894 pmlmepriv->wps_assoc_resp_ie = NULL;
1895
1896 pmlmepriv->p2p_beacon_ie = NULL;
1897 pmlmepriv->p2p_probe_resp_ie = NULL;
1898
1899 /* for ACL */
1900 INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
1901 pacl_list->num = 0;
1902 pacl_list->mode = 0;
1903 for (i = 0; i < NUM_ACL; i++) {
1904 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1905 pacl_list->aclnode[i].valid = false;
1906 }
1907 }
1908
stop_ap_mode(struct adapter * padapter)1909 void stop_ap_mode(struct adapter *padapter)
1910 {
1911 struct list_head *phead, *plist;
1912 struct rtw_wlan_acl_node *paclnode;
1913 struct sta_info *psta = NULL;
1914 struct sta_priv *pstapriv = &padapter->stapriv;
1915 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1916 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1917 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1918 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1919
1920 pmlmepriv->update_bcn = false;
1921 pmlmeext->bstart_bss = false;
1922
1923 /* reset and init security priv , this can refine with rtw_reset_securitypriv */
1924 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1925 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1926 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1927
1928 /* for ACL */
1929 spin_lock_bh(&(pacl_node_q->lock));
1930 phead = get_list_head(pacl_node_q);
1931 plist = phead->next;
1932 while (phead != plist) {
1933 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1934 plist = plist->next;
1935
1936 if (paclnode->valid) {
1937 paclnode->valid = false;
1938
1939 list_del_init(&paclnode->list);
1940
1941 pacl_list->num--;
1942 }
1943 }
1944 spin_unlock_bh(&(pacl_node_q->lock));
1945
1946 DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1947
1948 rtw_sta_flush(padapter);
1949
1950 /* free_assoc_sta_resources */
1951 rtw_free_all_stainfo(padapter);
1952
1953 psta = rtw_get_bcmc_stainfo(padapter);
1954 spin_lock_bh(&(pstapriv->sta_hash_lock));
1955 rtw_free_stainfo(padapter, psta);
1956 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1957
1958 rtw_init_bcmc_stainfo(padapter);
1959
1960 rtw_free_mlme_priv_ie_data(pmlmepriv);
1961 }
1962
1963 #endif /* CONFIG_88EU_AP_MODE */
1964