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staging: r8723au: Add source files for new driver - part 1
[deliverable/linux.git] / drivers / staging / rtl8723au / core / rtw_ap.c
CommitLineData
5e93f352
LF		 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
22#ifdef CONFIG_8723AU_AP_MODE
23
24extern unsigned char RTW_WPA_OUI23A[];
25extern unsigned char WMM_OUI23A[];
26extern unsigned char WPS_OUI23A[];
27extern unsigned char P2P_OUI23A[];
28extern unsigned char WFD_OUI23A[];
29
30void init_mlme_ap_info23a(struct rtw_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 spin_lock_init(&pmlmepriv->bcn_update_lock);
37
38 /* for ACL */
39 _rtw_init_queue23a(&pacl_list->acl_node_q);
40
41 start_ap_mode23a(padapter);
42}
43
44void free_mlme_ap_info23a(struct rtw_adapter *padapter)
45{
46 struct sta_info *psta = NULL;
47 struct sta_priv *pstapriv = &padapter->stapriv;
48 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
49 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
50 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
51
52 pmlmepriv->update_bcn = false;
53 pmlmeext->bstart_bss = false;
54
55 rtw_sta_flush23a(padapter);
56
57 pmlmeinfo->state = _HW_STATE_NOLINK_;
58
59 /* free_assoc_sta_resources */
60 rtw_free_all_stainfo23a(padapter);
61
62 /* free bc/mc sta_info */
63 psta = rtw_get_bcmc_stainfo23a(padapter);
64 spin_lock_bh(&pstapriv->sta_hash_lock);
65 rtw_free_stainfo23a(padapter, psta);
66 spin_unlock_bh(&pstapriv->sta_hash_lock);
67}
68
69static void update_BCNTIM(struct rtw_adapter *padapter)
70{
71 struct sta_priv *pstapriv = &padapter->stapriv;
72 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
73 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
74 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
75 unsigned char *pie = pnetwork_mlmeext->IEs;
76 u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
77 u16 tim_bitmap_le;
78 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
79
80 tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
81
82 p = rtw_get_ie23a(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
83 if (p != NULL && tim_ielen>0) {
84 tim_ielen += 2;
85
86 premainder_ie = p+tim_ielen;
87
88 tim_ie_offset = (int)(p -pie);
89
90 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
91
92 /* append TIM IE from dst_ie offset */
93 dst_ie = p;
94 } else {
95 tim_ielen = 0;
96
97 /* calulate head_len */
98 offset = _FIXED_IE_LENGTH_;
99
100 /* get ssid_ie len */
101 p = rtw_get_ie23a(pie + _BEACON_IE_OFFSET_, _SSID_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
102 if (p != NULL)
103 offset += tmp_len+2;
104
105 /* get supported rates len */
106 p = rtw_get_ie23a(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
107 if (p != NULL)
108 offset += tmp_len+2;
109
110 /* DS Parameter Set IE, len = 3 */
111 offset += 3;
112
113 premainder_ie = pie + offset;
114
115 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
116
117 /* append TIM IE from offset */
118 dst_ie = pie + offset;
119 }
120
121 if (remainder_ielen > 0) {
122 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
123 if (pbackup_remainder_ie && premainder_ie)
124 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
125 }
126
127 *dst_ie++= _TIM_IE_;
128
129 if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
130 tim_ielen = 5;
131 else
132 tim_ielen = 4;
133
134 *dst_ie++= tim_ielen;
135
136 *dst_ie++= 0;/* DTIM count */
137 *dst_ie++= 1;/* DTIM peroid */
138
139 if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
140 *dst_ie++ = BIT(0);/* bitmap ctrl */
141 else
142 *dst_ie++ = 0;
143
144 if (tim_ielen == 4) {
145 *dst_ie++ = *(u8*)&tim_bitmap_le;
146 } else if (tim_ielen == 5) {
147 memcpy(dst_ie, &tim_bitmap_le, 2);
148 dst_ie+= 2;
149 }
150
151 /* copy remainder IE */
152 if (pbackup_remainder_ie) {
153 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
154
155 kfree(pbackup_remainder_ie);
156 }
157
158 offset = (uint)(dst_ie - pie);
159 pnetwork_mlmeext->IELength = offset + remainder_ielen;
160
161 set_tx_beacon_cmd23a(padapter);
162}
163
164static u8 chk_sta_is_alive(struct sta_info *psta)
165{
166 u8 ret = false;
167
168 if ((psta->sta_stats.last_rx_data_pkts +
169 psta->sta_stats.last_rx_ctrl_pkts) !=
170 (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
171 ret = true;
172
173 sta_update_last_rx_pkts(psta);
174
175 return ret;
176}
177
178void expire_timeout_chk23a(struct rtw_adapter *padapter)
179{
180 struct list_head *phead, *plist, *ptmp;
181 u8 updated = 0;
182 struct sta_info *psta;
183 struct sta_priv *pstapriv = &padapter->stapriv;
184 u8 chk_alive_num = 0;
185 char chk_alive_list[NUM_STA];
186 int i;
187
188 spin_lock_bh(&pstapriv->auth_list_lock);
189
190 phead = &pstapriv->auth_list;
191
192 /* check auth_queue */
193 list_for_each_safe(plist, ptmp, phead) {
194 psta = container_of(plist, struct sta_info, auth_list);
195
196 if (psta->expire_to>0) {
197 psta->expire_to--;
198 if (psta->expire_to == 0) {
199 list_del_init(&psta->auth_list);
200 pstapriv->auth_list_cnt--;
201
202 DBG_8723A("auth expire %pM\n", psta->hwaddr);
203
204 spin_unlock_bh(&pstapriv->auth_list_lock);
205
206 spin_lock_bh(&pstapriv->sta_hash_lock);
207 rtw_free_stainfo23a(padapter, psta);
208 spin_unlock_bh(&pstapriv->sta_hash_lock);
209
210 spin_lock_bh(&pstapriv->auth_list_lock);
211 }
212 }
213
214 }
215
216 spin_unlock_bh(&pstapriv->auth_list_lock);
217
218 spin_lock_bh(&pstapriv->asoc_list_lock);
219
220 phead = &pstapriv->asoc_list;
221
222 /* check asoc_queue */
223 list_for_each_safe(plist, ptmp, phead) {
224 psta = container_of(plist, struct sta_info, asoc_list);
225
226 if (chk_sta_is_alive(psta) || !psta->expire_to) {
227 psta->expire_to = pstapriv->expire_to;
228 psta->keep_alive_trycnt = 0;
229 } else {
230 psta->expire_to--;
231 }
232
233 if (psta->expire_to <= 0)
234 {
235 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
236
237 if (padapter->registrypriv.wifi_spec == 1)
238 {
239 psta->expire_to = pstapriv->expire_to;
240 continue;
241 }
242
243 if (psta->state & WIFI_SLEEP_STATE) {
244 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
245 /* to check if alive by another methods if staion is at ps mode. */
246 psta->expire_to = pstapriv->expire_to;
247 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
248
249 /* to update bcn with tim_bitmap for this station */
250 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
251 update_beacon23a(padapter, _TIM_IE_, NULL, false);
252
253 if (!pmlmeext->active_keep_alive_check)
254 continue;
255 }
256 }
257
258 if (pmlmeext->active_keep_alive_check) {
259 int stainfo_offset;
260
261 stainfo_offset = rtw_stainfo_offset23a(pstapriv, psta);
262 if (stainfo_offset_valid(stainfo_offset)) {
263 chk_alive_list[chk_alive_num++] = stainfo_offset;
264 }
265
266 continue;
267 }
268
269 list_del_init(&psta->asoc_list);
270 pstapriv->asoc_list_cnt--;
271
272 DBG_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(psta->hwaddr), psta->state);
273 updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
274 } else {
275 /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
276 if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt)
277 && padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME/pstapriv->asoc_list_cnt)/2)
278 ) {
279 DBG_8723A("%s sta:"MAC_FMT", sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
280 MAC_ARG(psta->hwaddr),
281 psta->sleepq_len,
282 padapter->xmitpriv.free_xmitframe_cnt,
283 pstapriv->asoc_list_cnt);
284 wakeup_sta_to_xmit23a(padapter, psta);
285 }
286 }
287 }
288
289 spin_unlock_bh(&pstapriv->asoc_list_lock);
290
291 if (chk_alive_num) {
292
293 u8 backup_oper_channel = 0;
294 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
295 /* switch to correct channel of current network before issue keep-alive frames */
296 if (rtw_get_oper_ch23a(padapter) != pmlmeext->cur_channel) {
297 backup_oper_channel = rtw_get_oper_ch23a(padapter);
298 SelectChannel23a(padapter, pmlmeext->cur_channel);
299 }
300
301 /* issue null data to check sta alive*/
302 for (i = 0; i < chk_alive_num; i++) {
303
304 int ret = _FAIL;
305
306 psta = rtw_get_stainfo23a_by_offset23a(pstapriv, chk_alive_list[i]);
307 if (!(psta->state &_FW_LINKED))
308 continue;
309
310 if (psta->state & WIFI_SLEEP_STATE)
311 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 1, 50);
312 else
313 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 3, 50);
314
315 psta->keep_alive_trycnt++;
316 if (ret == _SUCCESS)
317 {
318 DBG_8723A("asoc check, sta(" MAC_FMT ") is alive\n", MAC_ARG(psta->hwaddr));
319 psta->expire_to = pstapriv->expire_to;
320 psta->keep_alive_trycnt = 0;
321 continue;
322 }
323 else if (psta->keep_alive_trycnt <= 3)
324 {
325 DBG_8723A("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
326 psta->expire_to = 1;
327 continue;
328 }
329
330 psta->keep_alive_trycnt = 0;
331
332 DBG_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(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 the original operation channel */
344 SelectChannel23a(padapter, backup_oper_channel);
345}
346
347 associated_clients_update23a(padapter, updated);
348}
349
350void 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 = (struct wlan_bssid_ex *)&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 {
373 if (psta->bssrateset[i])
374 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
375 }
376 /* n mode ra_bitmap */
377 if (psta_ht->ht_option)
378 {
379 rtw23a_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
380 if (rf_type == RF_2T2R)
381 limit = 16;/* 2R */
382 else
383 limit = 8;/* 1R */
384
385 for (i = 0; i<limit; i++) {
386 if (psta_ht->ht_cap.mcs.rx_mask[i/8] & BIT(i%8))
387 tx_ra_bitmap |= CHKBIT(i+12);
388 }
389
390 /* max short GI rate */
391 shortGIrate = psta_ht->sgi;
392 }
393
394 if (pcur_network->Configuration.DSConfig > 14) {
395 /* 5G band */
396 if (tx_ra_bitmap & 0xffff000)
397 sta_band |= WIRELESS_11_5N | WIRELESS_11A;
398 else
399 sta_band |= WIRELESS_11A;
400 } else {
401 if (tx_ra_bitmap & 0xffff000)
402 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
403 else if (tx_ra_bitmap & 0xff0)
404 sta_band |= WIRELESS_11G |WIRELESS_11B;
405 else
406 sta_band |= WIRELESS_11B;
407 }
408
409 psta->wireless_mode = sta_band;
410
411 raid = networktype_to_raid23a(sta_band);
412 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
413
414 if (psta->aid < NUM_STA)
415 {
416 u8 arg = 0;
417
418 arg = psta->mac_id&0x1f;
419
420 arg |= BIT(7);/* support entry 2~31 */
421
422 if (shortGIrate == true)
423 arg |= BIT(5);
424
425 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
426
427 DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = "
428 "0x%x\n",
429 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
430
431 /* bitmap[0:27] = tx_rate_bitmap */
432 /* bitmap[28:31]= Rate Adaptive id */
433 /* arg[0:4] = macid */
434 /* arg[5] = Short GI */
435 rtw_hal_add_ra_tid23a(padapter, tx_ra_bitmap, arg, rssi_level);
436
437 if (shortGIrate == true)
438 init_rate |= BIT(6);
439
440 /* set ra_id, init_rate */
441 psta->raid = raid;
442 psta->init_rate = init_rate;
443
444 }
445 else
446 {
447 DBG_8723A("station aid %d exceed the max number\n", psta->aid);
448 }
449}
450
451static void update_bmc_sta(struct rtw_adapter *padapter)
452{
453 u32 init_rate = 0;
454 unsigned char network_type, raid;
455 int i, supportRateNum = 0;
456 unsigned int tx_ra_bitmap = 0;
457 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
458 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
459 struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter);
460
461 if (psta)
462 {
463 psta->aid = 0;/* default set to 0 */
464 psta->mac_id = psta->aid + 1;
465
466 psta->qos_option = 0;
467 psta->htpriv.ht_option = false;
468
469 psta->ieee8021x_blocked = 0;
470
471 memset((void*)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
472
473 /* prepare for add_RATid23a */
474 supportRateNum = rtw_get_rateset_len23a((u8*)&pcur_network->SupportedRates);
475 network_type = rtw_check_network_type23a((u8*)&pcur_network->SupportedRates, supportRateNum, 1);
476
477 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
478 psta->bssratelen = supportRateNum;
479
480 /* b/g mode ra_bitmap */
481 for (i = 0; i<supportRateNum; i++)
482 {
483 if (psta->bssrateset[i])
484 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
485 }
486
487 if (pcur_network->Configuration.DSConfig > 14) {
488 /* force to A mode. 5G doesn't support CCK rates */
489 network_type = WIRELESS_11A;
490 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
491 } else {
492 /* force to b mode */
493 network_type = WIRELESS_11B;
494 tx_ra_bitmap = 0xf;
495 }
496
497 raid = networktype_to_raid23a(network_type);
498 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
499
500 /* ap mode */
501 rtw_hal_set_odm_var23a(padapter, HAL_ODM_STA_INFO, psta, true);
502
503 {
504 u8 arg = 0;
505
506 arg = psta->mac_id&0x1f;
507
508 arg |= BIT(7);
509
510 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
511
512 DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
513
514 /* bitmap[0:27] = tx_rate_bitmap */
515 /* bitmap[28:31]= Rate Adaptive id */
516 /* arg[0:4] = macid */
517 /* arg[5] = Short GI */
518 rtw_hal_add_ra_tid23a(padapter, tx_ra_bitmap, arg, 0);
519
520 }
521
522 /* set ra_id, init_rate */
523 psta->raid = raid;
524 psta->init_rate = init_rate;
525
526 rtw_stassoc_hw_rpt23a(padapter, psta);
527
528 spin_lock_bh(&psta->lock);
529 psta->state = _FW_LINKED;
530 spin_unlock_bh(&psta->lock);
531
532 }
533 else
534 {
535 DBG_8723A("add_RATid23a_bmc_sta error!\n");
536 }
537}
538
539/* notes: */
540/* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
541/* MAC_ID = AID+1 for sta in ap/adhoc mode */
542/* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
543/* MAC_ID = 0 for bssid for sta/ap/adhoc */
544/* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
545
546void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta)
547{
548 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
549 struct security_priv *psecuritypriv = &padapter->securitypriv;
550 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
551 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
552 struct ht_priv *phtpriv_sta = &psta->htpriv;
553 /* set intf_tag to if1 */
554
555 psta->mac_id = psta->aid+1;
556 DBG_8723A("%s\n", __func__);
557
558 /* ap mode */
559 rtw_hal_set_odm_var23a(padapter, HAL_ODM_STA_INFO, psta, true);
560
561 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
562 psta->ieee8021x_blocked = true;
563 else
564 psta->ieee8021x_blocked = false;
565
566 /* update sta's cap */
567
568 /* ERP */
569 VCS_update23a(padapter, psta);
570 /* HT related cap */
571 if (phtpriv_sta->ht_option)
572 {
573 /* check if sta supports rx ampdu */
574 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
575
576 /* check if sta support s Short GI */
577 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))
578 phtpriv_sta->sgi = true;
579
580 /* bwmode */
581 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
582 /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */
583 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
584 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
585
586 }
587
588 psta->qos_option = true;
589
590 }
591 else
592 {
593 phtpriv_sta->ampdu_enable = false;
594
595 phtpriv_sta->sgi = false;
596 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
597 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
598 }
599
600 /* Rx AMPDU */
601 send_delba23a(padapter, 0, psta->hwaddr);/* recipient */
602
603 /* TX AMPDU */
604 send_delba23a(padapter, 1, psta->hwaddr);/* originator */
605 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
606 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
607
608 /* todo: init other variables */
609
610 memset((void*)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
611
612 spin_lock_bh(&psta->lock);
613 psta->state |= _FW_LINKED;
614 spin_unlock_bh(&psta->lock);
615}
616
617static void update_hw_ht_param(struct rtw_adapter *padapter)
618{
619 unsigned char max_AMPDU_len;
620 unsigned char min_MPDU_spacing;
621 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
622 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
623
624 DBG_8723A("%s\n", __func__);
625
626 /* handle A-MPDU parameter field */
627 /*
628 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
629 AMPDU_para [4:2]:Min MPDU Start Spacing
630 */
631 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
632
633 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
634
635 rtw_hal_set_hwreg23a(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
636
637 rtw_hal_set_hwreg23a(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
638
639 /* Config SM Power Save setting */
640 pmlmeinfo->SM_PS = (pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info & 0x0C) >> 2;
641 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
642 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
643}
644
645static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
646{
647 u8 *p;
648 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
649 u16 bcn_interval;
650 u32 acparm;
651 int ie_len;
652 struct registry_priv *pregpriv = &padapter->registrypriv;
653 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
654 struct security_priv* psecuritypriv = &padapter->securitypriv;
655 struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
656 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
657 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
658 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
659 struct HT_info_element *pht_info = NULL;
660#ifdef CONFIG_8723AU_P2P
661 struct wifidirect_info *pwdinfo = &padapter->wdinfo;
662#endif /* CONFIG_8723AU_P2P */
663
664 bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
665 cur_channel = pnetwork->Configuration.DSConfig;
666 cur_bwmode = HT_CHANNEL_WIDTH_20;;
667 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
668
669 /* check if there is wps ie, */
670 /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
671 /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
672 if (NULL == rtw_get_wps_ie23a(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
673 pmlmeext->bstart_bss = true;
674
675 /* todo: update wmm, ht cap */
676 /* pmlmeinfo->WMM_enable; */
677 /* pmlmeinfo->HT_enable; */
678 if (pmlmepriv->qospriv.qos_option)
679 pmlmeinfo->WMM_enable = true;
680 if (pmlmepriv->htpriv.ht_option) {
681 pmlmeinfo->WMM_enable = true;
682 pmlmeinfo->HT_enable = true;
683
684 update_hw_ht_param(padapter);
685 }
686
687 if (pmlmepriv->cur_network.join_res != true) {
688 /* setting only at first time */
689 /* WEP Key will be set before this function, do not clear CAM. */
690 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) && (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
691 flush_all_cam_entry23a(padapter); /* clear CAM */
692 }
693
694 /* set MSR to AP_Mode */
695 Set_MSR23a(padapter, _HW_STATE_AP_);
696
697 /* Set BSSID REG */
698 rtw_hal_set_hwreg23a(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
699
700 /* Set EDCA param reg */
701 acparm = 0x002F3217; /* VO */
702 rtw_hal_set_hwreg23a(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
703 acparm = 0x005E4317; /* VI */
704 rtw_hal_set_hwreg23a(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
705 acparm = 0x005ea42b;
706 rtw_hal_set_hwreg23a(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
707 acparm = 0x0000A444; /* BK */
708 rtw_hal_set_hwreg23a(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
709
710 /* Set Security */
711 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)? 0xcc: 0xcf;
712 rtw_hal_set_hwreg23a(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
713
714 /* Beacon Control related register */
715 rtw_hal_set_hwreg23a(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
716
717 UpdateBrateTbl23a(padapter, pnetwork->SupportedRates);
718 rtw_hal_set_hwreg23a(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
719
720 if (!pmlmepriv->cur_network.join_res) {
721 /* setting only at first time */
722
723 /* disable dynamic functions, such as high power, DIG */
724
725 /* turn on all dynamic functions */
726 Switch_DM_Func23a(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
727 }
728 /* set channel, bwmode */
729 p = rtw_get_ie23a((pnetwork->IEs + sizeof(struct ndis_802_11_fixed_ies)),
730 _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength -
731 sizeof(struct ndis_802_11_fixed_ies)));
732 if (p && ie_len) {
733 pht_info = (struct HT_info_element *)(p+2);
734
735 if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
736 /* switch to the 40M Hz mode */
737 cur_bwmode = HT_CHANNEL_WIDTH_40;
738 switch (pht_info->infos[0] & 0x3) {
739 case 1:
740 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */
741 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
742 break;
743 case 3:
744 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
745 break;
746 default:
747 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
748 break;
749 }
750 }
751 }
752 /* TODO: need to judge the phy parameters on concurrent mode for single phy */
753 set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode);
754
755 DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
756 cur_ch_offset);
757
758 pmlmeext->cur_channel = cur_channel;
759 pmlmeext->cur_bwmode = cur_bwmode;
760 pmlmeext->cur_ch_offset = cur_ch_offset;
761 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
762
763 /* update cur_wireless_mode */
764 update_wireless_mode23a(padapter);
765
766 /* udpate capability after cur_wireless_mode updated */
767 update_capinfo23a(padapter, rtw_get_capability23a((struct wlan_bssid_ex *)pnetwork));
768
769 /* let pnetwork_mlmeext == pnetwork_mlme. */
770 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
771
772#ifdef CONFIG_8723AU_P2P
773 memcpy(pwdinfo->p2p_group_ssid, pnetwork->Ssid.ssid,
774 pnetwork->Ssid.ssid_len);
775 pwdinfo->p2p_group_ssid_len = pnetwork->Ssid.ssid_len;
776#endif /* CONFIG_8723AU_P2P */
777
778 if (pmlmeext->bstart_bss) {
779 update_beacon23a(padapter, _TIM_IE_, NULL, false);
780
781 /* issue beacon frame */
782 if (send_beacon23a(padapter) == _FAIL)
783 DBG_8723A("issue_beacon23a, fail!\n");
784 }
785
786 /* update bc/mc sta_info */
787 update_bmc_sta(padapter);
788}
789
790int rtw_check_beacon_data23a(struct rtw_adapter *padapter, u8 *pbuf, 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 cap, 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 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
803 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
804 struct registry_priv *pregistrypriv = &padapter->registrypriv;
805 struct security_priv *psecuritypriv = &padapter->securitypriv;
806 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
807 struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
808 u8 *ie = pbss_network->IEs;
809
810 /* SSID */
811 /* Supported rates */
812 /* DS Params */
813 /* WLAN_EID_COUNTRY */
814 /* ERP Information element */
815 /* Extended supported rates */
816 /* WPA/WPA2 */
817 /* Wi-Fi Wireless Multimedia Extensions */
818 /* ht_capab, ht_oper */
819 /* WPS IE */
820
821 DBG_8723A("%s, len =%d\n", __func__, len);
822
823 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
824 return _FAIL;
825
826 if (len>MAX_IE_SZ)
827 return _FAIL;
828
829 pbss_network->IELength = len;
830
831 memset(ie, 0, MAX_IE_SZ);
832
833 memcpy(ie, pbuf, pbss_network->IELength);
834
835 if (pbss_network->InfrastructureMode!= Ndis802_11APMode)
836 return _FAIL;
837
838 pbss_network->Rssi = 0;
839
840 memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN);
841
842 /* beacon interval */
843 /* ie + 8; 8: TimeStamp, 2: Beacon Interval 2:Capability */
844 p = rtw_get_beacon_interval23a_from_ie(ie);
845 pbss_network->Configuration.BeaconPeriod = RTW_GET_LE16(p);
846
847 /* capability */
848 cap = RTW_GET_LE16(ie);
849
850 /* SSID */
851 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len,
852 (pbss_network->IELength -_BEACON_IE_OFFSET_));
853 if (p && ie_len > 0) {
854 memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid));
855 memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len);
856 pbss_network->Ssid.ssid_len = ie_len;
857 }
858
859 /* chnnel */
860 channel = 0;
861 pbss_network->Configuration.Length = 0;
862 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len,
863 (pbss_network->IELength - _BEACON_IE_OFFSET_));
864 if (p && ie_len > 0)
865 channel = *(p + 2);
866
867 pbss_network->Configuration.DSConfig = channel;
868
869 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
870 /* get supported rates */
871 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len,
872 (pbss_network->IELength - _BEACON_IE_OFFSET_));
873 if (p) {
874 memcpy(supportRate, p+2, ie_len);
875 supportRateNum = ie_len;
876 }
877
878 /* get ext_supported rates */
879 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_,
880 &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
881 if (p) {
882 memcpy(supportRate+supportRateNum, p+2, ie_len);
883 supportRateNum += ie_len;
884 }
885
886 network_type = rtw_check_network_type23a(supportRate,
887 supportRateNum, channel);
888
889 rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type);
890
891 /* parsing ERP_IE */
892 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len,
893 (pbss_network->IELength - _BEACON_IE_OFFSET_));
894 if (p && ie_len > 0)
895 ERP_IE_handler23a(padapter, (struct ndis_802_11_var_ies *)p);
896
897 /* update privacy/security */
898 if (cap & BIT(4))
899 pbss_network->Privacy = 1;
900 else
901 pbss_network->Privacy = 0;
902
903 psecuritypriv->wpa_psk = 0;
904
905 /* wpa2 */
906 group_cipher = 0; pairwise_cipher = 0;
907 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
908 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
909 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len,
910 (pbss_network->IELength - _BEACON_IE_OFFSET_));
911 if (p && ie_len > 0) {
912 if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher,
913 &pairwise_cipher, NULL) == _SUCCESS) {
914 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
915
916 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
917 psecuritypriv->wpa_psk |= BIT(1);
918
919 psecuritypriv->wpa2_group_cipher = group_cipher;
920 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
921 }
922 }
923
924 /* wpa */
925 ie_len = 0;
926 group_cipher = 0;
927 pairwise_cipher = 0;
928 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
929 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
930 for (p = ie + _BEACON_IE_OFFSET_; ;p += (ie_len + 2)) {
931 p = rtw_get_ie23a(p, _SSN_IE_1_, &ie_len,
932 (pbss_network->IELength - _BEACON_IE_OFFSET_ -
933 (ie_len + 2)));
934 if ((p) && (!memcmp(p+2, OUI1, 4))) {
935 if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher,
936 &pairwise_cipher, NULL) == _SUCCESS) {
937 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
938
939 /* psk, todo:802.1x */
940 psecuritypriv->dot8021xalg = 1;
941
942 psecuritypriv->wpa_psk |= BIT(0);
943
944 psecuritypriv->wpa_group_cipher = group_cipher;
945 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
946 }
947 break;
948 }
949
950 if ((p == NULL) || (ie_len == 0))
951 break;
952 }
953
954 /* wmm */
955 ie_len = 0;
956 pmlmepriv->qospriv.qos_option = 0;
957 if (pregistrypriv->wmm_enable) {
958 for (p = ie + _BEACON_IE_OFFSET_; ;p += (ie_len + 2)) {
959 p = rtw_get_ie23a(p, _VENDOR_SPECIFIC_IE_, &ie_len,
960 (pbss_network->IELength -
961 _BEACON_IE_OFFSET_ - (ie_len + 2)));
962 if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
963 pmlmepriv->qospriv.qos_option = 1;
964
965 *(p+8) |= BIT(7);/* QoS Info, support U-APSD */
966
967 /* disable all ACM bits since the WMM admission
968 * control is not supported
969 */
970 *(p + 10) &= ~BIT(4); /* BE */
971 *(p + 14) &= ~BIT(4); /* BK */
972 *(p + 18) &= ~BIT(4); /* VI */
973 *(p + 22) &= ~BIT(4); /* VO */
974 break;
975 }
976 if ((p == NULL) || (ie_len == 0))
977 break;
978 }
979 }
980 /* parsing HT_CAP_IE */
981 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
982 (pbss_network->IELength - _BEACON_IE_OFFSET_));
983 if (p && ie_len > 0) {
984 u8 rf_type;
985
986 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2);
987
988 pHT_caps_ie = p;
989
990 ht_cap = true;
991 network_type |= WIRELESS_11_24N;
992
993 rtw23a_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
994
995 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
996 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
997 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2));
998 else
999 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00);
1000
1001 /* set Max Rx AMPDU size to 64K */
1002 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
1003
1004 if (rf_type == RF_1T1R) {
1005 pht_cap->mcs.rx_mask[0] = 0xff;
1006 pht_cap->mcs.rx_mask[1] = 0x0;
1007 }
1008
1009 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1010 }
1011
1012 /* parsing HT_INFO_IE */
1013 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
1014 (pbss_network->IELength - _BEACON_IE_OFFSET_));
1015 if (p && ie_len > 0)
1016 pHT_info_ie = p;
1017
1018 switch (network_type) {
1019 case WIRELESS_11B:
1020 pbss_network->NetworkTypeInUse = Ndis802_11DS;
1021 break;
1022 case WIRELESS_11G:
1023 case WIRELESS_11BG:
1024 case WIRELESS_11G_24N:
1025 case WIRELESS_11BG_24N:
1026 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1027 break;
1028 case WIRELESS_11A:
1029 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
1030 break;
1031 default :
1032 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1033 break;
1034 }
1035
1036 pmlmepriv->cur_network.network_type = network_type;
1037
1038 pmlmepriv->htpriv.ht_option = false;
1039
1040 /* ht_cap */
1041 if (pregistrypriv->ht_enable && ht_cap) {
1042 pmlmepriv->htpriv.ht_option = true;
1043 pmlmepriv->qospriv.qos_option = 1;
1044
1045 if (pregistrypriv->ampdu_enable == 1)
1046 pmlmepriv->htpriv.ampdu_enable = true;
1047
1048 HT_caps_handler23a(padapter, (struct ndis_802_11_var_ies *)pHT_caps_ie);
1049
1050 HT_info_handler23a(padapter, (struct ndis_802_11_var_ies *)pHT_info_ie);
1051 }
1052
1053 pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
1054
1055 /* issue beacon to start bss network */
1056 start_bss_network(padapter, (u8*)pbss_network);
1057
1058 /* alloc sta_info for ap itself */
1059 psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1060 if (!psta) {
1061 psta = rtw_alloc_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1062 if (!psta)
1063 return _FAIL;
1064 }
1065 /* fix bug of flush_cam_entry at STOP AP mode */
1066 psta->state |= WIFI_AP_STATE;
1067 rtw_indicate_connect23a(padapter);
1068
1069 /* for check if already set beacon */
1070 pmlmepriv->cur_network.join_res = true;
1071
1072 return ret;
1073}
1074
1075void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode)
1076{
1077 struct sta_priv *pstapriv = &padapter->stapriv;
1078 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1079
1080 DBG_8723A("%s, mode =%d\n", __func__, mode);
1081
1082 pacl_list->mode = mode;
1083}
1084
1085int rtw_acl_add_sta23a(struct rtw_adapter *padapter, u8 *addr)
1086{
1087 struct list_head *plist, *phead;
1088 u8 added = false;
1089 int i, ret = 0;
1090 struct rtw_wlan_acl_node *paclnode;
1091 struct sta_priv *pstapriv = &padapter->stapriv;
1092 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1093 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1094
1095 DBG_8723A("%s(acl_num =%d) =" MAC_FMT "\n", __func__, pacl_list->num, MAC_ARG(addr));
1096
1097 if ((NUM_ACL-1) < pacl_list->num)
1098 return -1;
1099
1100 spin_lock_bh(&pacl_node_q->lock);
1101
1102 phead = get_list_head(pacl_node_q);
1103
1104 list_for_each(plist, phead) {
1105 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1106
1107 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1108 if (paclnode->valid == true) {
1109 added = true;
1110 DBG_8723A("%s, sta has been added\n", __func__);
1111 break;
1112 }
1113 }
1114 }
1115
1116 spin_unlock_bh(&pacl_node_q->lock);
1117
1118 if (added)
1119 return ret;
1120
1121 spin_lock_bh(&pacl_node_q->lock);
1122
1123 for (i = 0; i < NUM_ACL; i++) {
1124 paclnode = &pacl_list->aclnode[i];
1125
1126 if (!paclnode->valid) {
1127 INIT_LIST_HEAD(&paclnode->list);
1128
1129 memcpy(paclnode->addr, addr, ETH_ALEN);
1130
1131 paclnode->valid = true;
1132
1133 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1134
1135 pacl_list->num++;
1136
1137 break;
1138 }
1139 }
1140
1141 DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1142
1143 spin_unlock_bh(&pacl_node_q->lock);
1144 return ret;
1145}
1146
1147int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr)
1148{
1149 struct list_head *plist, *phead, *ptmp;
1150 struct rtw_wlan_acl_node *paclnode;
1151 struct sta_priv *pstapriv = &padapter->stapriv;
1152 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1153 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1154 int ret = 0;
1155
1156 DBG_8723A("%s(acl_num =%d) = %pM\n", __func__, pacl_list->num, addr);
1157
1158 spin_lock_bh(&pacl_node_q->lock);
1159
1160 phead = get_list_head(pacl_node_q);
1161
1162 list_for_each_safe(plist, ptmp, phead) {
1163 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1164
1165 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1166 if (paclnode->valid) {
1167 paclnode->valid = false;
1168
1169 list_del_init(&paclnode->list);
1170
1171 pacl_list->num--;
1172 }
1173 }
1174 }
1175
1176 spin_unlock_bh(&pacl_node_q->lock);
1177
1178 DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num);
1179
1180 return ret;
1181}
1182
1183static void update_bcn_fixed_ie(struct rtw_adapter *padapter)
1184{
1185 DBG_8723A("%s\n", __func__);
1186}
1187
1188static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter)
1189{
1190 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1191 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1192 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1193 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1194 unsigned char *p, *ie = pnetwork->IEs;
1195 u32 len = 0;
1196
1197 DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1198
1199 if (!pmlmeinfo->ERP_enable)
1200 return;
1201
1202 /* parsing ERP_IE */
1203 p = rtw_get_ie23a(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len, (pnetwork->IELength - _BEACON_IE_OFFSET_));
1204 if (p && len>0)
1205 {
1206 struct ndis_802_11_var_ies * pIE = (struct ndis_802_11_var_ies *)p;
1207
1208 if (pmlmepriv->num_sta_non_erp == 1)
1209 pIE->data[0] |= WLAN_ERP_NON_ERP_PRESENT |
1210 WLAN_ERP_USE_PROTECTION;
1211 else
1212 pIE->data[0] &= ~(WLAN_ERP_NON_ERP_PRESENT |
1213 WLAN_ERP_USE_PROTECTION);
1214
1215 if (pmlmepriv->num_sta_no_short_preamble > 0)
1216 pIE->data[0] |= WLAN_ERP_BARKER_PREAMBLE;
1217 else
1218 pIE->data[0] &= ~(WLAN_ERP_BARKER_PREAMBLE);
1219
1220 ERP_IE_handler23a(padapter, pIE);
1221 }
1222}
1223
1224static void update_bcn_htcap_ie(struct rtw_adapter *padapter)
1225{
1226 DBG_8723A("%s\n", __func__);
1227}
1228
1229static void update_bcn_htinfo_ie(struct rtw_adapter *padapter)
1230{
1231 DBG_8723A("%s\n", __func__);
1232}
1233
1234static void update_bcn_rsn_ie(struct rtw_adapter *padapter)
1235{
1236 DBG_8723A("%s\n", __func__);
1237}
1238
1239static void update_bcn_wpa_ie(struct rtw_adapter *padapter)
1240{
1241 DBG_8723A("%s\n", __func__);
1242}
1243
1244static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
1245{
1246 DBG_8723A("%s\n", __func__);
1247}
1248
1249static void update_bcn_wps_ie(struct rtw_adapter *padapter)
1250{
1251 u8 *pwps_ie = NULL, *pwps_ie_src, *premainder_ie, *pbackup_remainder_ie = NULL;
1252 uint wps_ielen = 0, wps_offset, remainder_ielen;
1253 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1254 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1255 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1256 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1257 unsigned char *ie = pnetwork->IEs;
1258 u32 ielen = pnetwork->IELength;
1259
1260 DBG_8723A("%s\n", __func__);
1261
1262 pwps_ie = rtw_get_wps_ie23a(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1263
1264 if (pwps_ie == NULL || wps_ielen == 0)
1265 return;
1266
1267 wps_offset = (uint)(pwps_ie-ie);
1268
1269 premainder_ie = pwps_ie + wps_ielen;
1270
1271 remainder_ielen = ielen - wps_offset - wps_ielen;
1272
1273 if (remainder_ielen > 0) {
1274 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
1275 if (pbackup_remainder_ie)
1276 memcpy(pbackup_remainder_ie, premainder_ie,
1277 remainder_ielen);
1278 }
1279
1280 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1281 if (pwps_ie_src == NULL)
1282 return;
1283
1284 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1285 if ((wps_offset+wps_ielen+2+remainder_ielen)<= MAX_IE_SZ)
1286 {
1287 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1288 pwps_ie += (wps_ielen+2);
1289
1290 if (pbackup_remainder_ie)
1291 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1292
1293 /* update IELength */
1294 pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
1295 }
1296
1297 if (pbackup_remainder_ie)
1298 kfree(pbackup_remainder_ie);
1299}
1300
1301static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
1302{
1303}
1304
1305static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8*oui)
1306{
1307 DBG_8723A("%s\n", __func__);
1308
1309 if (!memcmp(RTW_WPA_OUI23A, oui, 4))
1310 {
1311 update_bcn_wpa_ie(padapter);
1312 }
1313 else if (!memcmp(WMM_OUI23A, oui, 4))
1314 {
1315 update_bcn_wmm_ie(padapter);
1316 }
1317 else if (!memcmp(WPS_OUI23A, oui, 4))
1318 {
1319 update_bcn_wps_ie(padapter);
1320 }
1321 else if (!memcmp(P2P_OUI23A, oui, 4))
1322 {
1323 update_bcn_p2p_ie(padapter);
1324 }
1325 else
1326 {
1327 DBG_8723A("unknown OUI type!\n");
1328 }
1329}
1330
1331void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1332{
1333 struct mlme_priv *pmlmepriv;
1334 struct mlme_ext_priv *pmlmeext;
1335 /* struct mlme_ext_info *pmlmeinfo; */
1336
1337 /* DBG_8723A("%s\n", __func__); */
1338
1339 if (!padapter)
1340 return;
1341
1342 pmlmepriv = &padapter->mlmepriv;
1343 pmlmeext = &padapter->mlmeextpriv;
1344 /* pmlmeinfo = &pmlmeext->mlmext_info; */
1345
1346 if (false == pmlmeext->bstart_bss)
1347 return;
1348
1349 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1350
1351 switch (ie_id)
1352 {
1353 case 0xFF:
1354
1355 update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1356
1357 break;
1358
1359 case _TIM_IE_:
1360
1361 update_BCNTIM(padapter);
1362
1363 break;
1364
1365 case _ERPINFO_IE_:
1366
1367 update_bcn_erpinfo_ie(padapter);
1368
1369 break;
1370
1371 case _HT_CAPABILITY_IE_:
1372
1373 update_bcn_htcap_ie(padapter);
1374
1375 break;
1376
1377 case _RSN_IE_2_:
1378
1379 update_bcn_rsn_ie(padapter);
1380
1381 break;
1382
1383 case _HT_ADD_INFO_IE_:
1384
1385 update_bcn_htinfo_ie(padapter);
1386
1387 break;
1388
1389 case _VENDOR_SPECIFIC_IE_:
1390
1391 update_bcn_vendor_spec_ie(padapter, oui);
1392
1393 break;
1394
1395 default:
1396 break;
1397 }
1398
1399 pmlmepriv->update_bcn = true;
1400
1401 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1402
1403 if (tx)
1404 set_tx_beacon_cmd23a(padapter);
1405}
1406
1407/*
1408op_mode
1409Set to 0 (HT pure) under the followign conditions
1410 - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1411 - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1412Set to 1 (HT non-member protection) if there may be non-HT STAs
1413 in both the primary and the secondary channel
1414Set to 2 if only HT STAs are associated in BSS,
1415 however and at least one 20 MHz HT STA is associated
1416Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1417 (currently non-GF HT station is considered as non-HT STA also)
1418*/
1419static int rtw_ht_operation_update(struct rtw_adapter *padapter)
1420{
1421 u16 cur_op_mode, new_op_mode;
1422 int op_mode_changes = 0;
1423 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1424 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1425
1426 if (pmlmepriv->htpriv.ht_option == true)
1427 return 0;
1428
1429 /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */
1430 /* return 0; */
1431
1432 DBG_8723A("%s current operation mode = 0x%X\n",
1433 __func__, pmlmepriv->ht_op_mode);
1434
1435 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)
1436 && pmlmepriv->num_sta_ht_no_gf) {
1437 pmlmepriv->ht_op_mode |=
1438 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1439 op_mode_changes++;
1440 } else if ((pmlmepriv->ht_op_mode &
1441 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1442 pmlmepriv->num_sta_ht_no_gf == 0) {
1443 pmlmepriv->ht_op_mode &=
1444 ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1445 op_mode_changes++;
1446 }
1447
1448 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1449 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1450 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1451 op_mode_changes++;
1452 } else if ((pmlmepriv->ht_op_mode &
1453 HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1454 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1455 pmlmepriv->ht_op_mode &=
1456 ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1457 op_mode_changes++;
1458 }
1459
1460 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1461 * station is associated. Probably it's a theoretical case, since
1462 * it looks like all known HT STAs support greenfield.
1463 */
1464 new_op_mode = 0;
1465 if (pmlmepriv->num_sta_no_ht ||
1466 (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1467 new_op_mode = OP_MODE_MIXED;
1468 else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH_20_40)
1469 && pmlmepriv->num_sta_ht_20mhz)
1470 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1471 else if (pmlmepriv->olbc_ht)
1472 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1473 else
1474 new_op_mode = OP_MODE_PURE;
1475
1476 cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1477 if (cur_op_mode != new_op_mode) {
1478 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1479 pmlmepriv->ht_op_mode |= new_op_mode;
1480 op_mode_changes++;
1481 }
1482
1483 DBG_8723A("%s new operation mode = 0x%X changes =%d\n",
1484 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1485
1486 return op_mode_changes;
1487}
1488
1489void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated)
1490{
1491 /* update associcated stations cap. */
1492 if (updated == true)
1493 {
1494 struct list_head *phead, *plist, *ptmp;
1495 struct sta_info *psta;
1496 struct sta_priv *pstapriv = &padapter->stapriv;
1497
1498 spin_lock_bh(&pstapriv->asoc_list_lock);
1499
1500 phead = &pstapriv->asoc_list;
1501
1502 list_for_each_safe(plist, ptmp, phead) {
1503 psta = container_of(plist, struct sta_info, asoc_list);
1504
1505 VCS_update23a(padapter, psta);
1506 }
1507
1508 spin_unlock_bh(&pstapriv->asoc_list_lock);
1509 }
1510}
1511
1512/* called > TSR LEVEL for USB or SDIO Interface*/
1513void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta)
1514{
1515 u8 beacon_updated = false;
1516 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1517 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1518
1519 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE))
1520 {
1521 if (!psta->no_short_preamble_set)
1522 {
1523 psta->no_short_preamble_set = 1;
1524
1525 pmlmepriv->num_sta_no_short_preamble++;
1526
1527 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1528 (pmlmepriv->num_sta_no_short_preamble == 1))
1529 {
1530 beacon_updated = true;
1531 update_beacon23a(padapter, 0xFF, NULL, true);
1532 }
1533
1534 }
1535 }
1536 else
1537 {
1538 if (psta->no_short_preamble_set)
1539 {
1540 psta->no_short_preamble_set = 0;
1541
1542 pmlmepriv->num_sta_no_short_preamble--;
1543
1544 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1545 (pmlmepriv->num_sta_no_short_preamble == 0))
1546 {
1547 beacon_updated = true;
1548 update_beacon23a(padapter, 0xFF, NULL, true);
1549 }
1550
1551 }
1552 }
1553
1554 if (psta->flags & WLAN_STA_NONERP)
1555 {
1556 if (!psta->nonerp_set)
1557 {
1558 psta->nonerp_set = 1;
1559
1560 pmlmepriv->num_sta_non_erp++;
1561
1562 if (pmlmepriv->num_sta_non_erp == 1)
1563 {
1564 beacon_updated = true;
1565 update_beacon23a(padapter, _ERPINFO_IE_, NULL, true);
1566 }
1567 }
1568
1569 }
1570 else
1571 {
1572 if (psta->nonerp_set)
1573 {
1574 psta->nonerp_set = 0;
1575
1576 pmlmepriv->num_sta_non_erp--;
1577
1578 if (pmlmepriv->num_sta_non_erp == 0)
1579 {
1580 beacon_updated = true;
1581 update_beacon23a(padapter, _ERPINFO_IE_, NULL, true);
1582 }
1583 }
1584
1585 }
1586
1587 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME))
1588 {
1589 if (!psta->no_short_slot_time_set)
1590 {
1591 psta->no_short_slot_time_set = 1;
1592
1593 pmlmepriv->num_sta_no_short_slot_time++;
1594
1595 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1596 (pmlmepriv->num_sta_no_short_slot_time == 1))
1597 {
1598 beacon_updated = true;
1599 update_beacon23a(padapter, 0xFF, NULL, true);
1600 }
1601
1602 }
1603 }
1604 else
1605 {
1606 if (psta->no_short_slot_time_set)
1607 {
1608 psta->no_short_slot_time_set = 0;
1609
1610 pmlmepriv->num_sta_no_short_slot_time--;
1611
1612 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1613 (pmlmepriv->num_sta_no_short_slot_time == 0))
1614 {
1615 beacon_updated = true;
1616 update_beacon23a(padapter, 0xFF, NULL, true);
1617 }
1618 }
1619 }
1620
1621 if (psta->flags & WLAN_STA_HT)
1622 {
1623 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1624
1625 DBG_8723A("HT: STA " MAC_FMT " HT Capabilities "
1626 "Info: 0x%04x\n", MAC_ARG(psta->hwaddr), ht_capab);
1627
1628 if (psta->no_ht_set) {
1629 psta->no_ht_set = 0;
1630 pmlmepriv->num_sta_no_ht--;
1631 }
1632
1633 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1634 if (!psta->no_ht_gf_set) {
1635 psta->no_ht_gf_set = 1;
1636 pmlmepriv->num_sta_ht_no_gf++;
1637 }
1638 DBG_8723A("%s STA " MAC_FMT " - no "
1639 "greenfield, num of non-gf stations %d\n",
1640 __func__, MAC_ARG(psta->hwaddr),
1641 pmlmepriv->num_sta_ht_no_gf);
1642 }
1643
1644 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1645 if (!psta->ht_20mhz_set) {
1646 psta->ht_20mhz_set = 1;
1647 pmlmepriv->num_sta_ht_20mhz++;
1648 }
1649 DBG_8723A("%s STA " MAC_FMT " - 20 MHz HT, "
1650 "num of 20MHz HT STAs %d\n",
1651 __func__, MAC_ARG(psta->hwaddr),
1652 pmlmepriv->num_sta_ht_20mhz);
1653 }
1654
1655 }
1656 else
1657 {
1658 if (!psta->no_ht_set) {
1659 psta->no_ht_set = 1;
1660 pmlmepriv->num_sta_no_ht++;
1661 }
1662 if (pmlmepriv->htpriv.ht_option == true) {
1663 DBG_8723A("%s STA " MAC_FMT
1664 " - no HT, num of non-HT stations %d\n",
1665 __func__, MAC_ARG(psta->hwaddr),
1666 pmlmepriv->num_sta_no_ht);
1667 }
1668 }
1669
1670 if (rtw_ht_operation_update(padapter) > 0)
1671 {
1672 update_beacon23a(padapter, _HT_CAPABILITY_IE_, NULL, false);
1673 update_beacon23a(padapter, _HT_ADD_INFO_IE_, NULL, true);
1674 }
1675
1676 /* update associcated stations cap. */
1677 associated_clients_update23a(padapter, beacon_updated);
1678
1679 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1680}
1681
1682u8 bss_cap_update_on_sta_leave23a(struct rtw_adapter *padapter, struct sta_info *psta)
1683{
1684 u8 beacon_updated = false;
1685 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1686 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1687
1688 if (!psta)
1689 return beacon_updated;
1690
1691 if (psta->no_short_preamble_set) {
1692 psta->no_short_preamble_set = 0;
1693 pmlmepriv->num_sta_no_short_preamble--;
1694 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1695 && pmlmepriv->num_sta_no_short_preamble == 0)
1696 {
1697 beacon_updated = true;
1698 update_beacon23a(padapter, 0xFF, NULL, true);
1699 }
1700 }
1701
1702 if (psta->nonerp_set) {
1703 psta->nonerp_set = 0;
1704 pmlmepriv->num_sta_non_erp--;
1705 if (pmlmepriv->num_sta_non_erp == 0)
1706 {
1707 beacon_updated = true;
1708 update_beacon23a(padapter, _ERPINFO_IE_, NULL, true);
1709 }
1710 }
1711
1712 if (psta->no_short_slot_time_set) {
1713 psta->no_short_slot_time_set = 0;
1714 pmlmepriv->num_sta_no_short_slot_time--;
1715 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1716 && pmlmepriv->num_sta_no_short_slot_time == 0)
1717 {
1718 beacon_updated = true;
1719 update_beacon23a(padapter, 0xFF, NULL, true);
1720 }
1721 }
1722
1723 if (psta->no_ht_gf_set) {
1724 psta->no_ht_gf_set = 0;
1725 pmlmepriv->num_sta_ht_no_gf--;
1726 }
1727
1728 if (psta->no_ht_set) {
1729 psta->no_ht_set = 0;
1730 pmlmepriv->num_sta_no_ht--;
1731 }
1732
1733 if (psta->ht_20mhz_set) {
1734 psta->ht_20mhz_set = 0;
1735 pmlmepriv->num_sta_ht_20mhz--;
1736 }
1737
1738 if (rtw_ht_operation_update(padapter) > 0)
1739 {
1740 update_beacon23a(padapter, _HT_CAPABILITY_IE_, NULL, false);
1741 update_beacon23a(padapter, _HT_ADD_INFO_IE_, NULL, true);
1742 }
1743
1744 /* update associcated stations cap. */
1745
1746 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1747
1748 return beacon_updated;
1749}
1750
1751u8 ap_free_sta23a(struct rtw_adapter *padapter, struct sta_info *psta, bool active, u16 reason)
1752{
1753 struct sta_priv *pstapriv = &padapter->stapriv;
1754 u8 beacon_updated = false;
1755
1756 if (!psta)
1757 return beacon_updated;
1758
1759 if (active == true)
1760 {
1761 /* tear down Rx AMPDU */
1762 send_delba23a(padapter, 0, psta->hwaddr);/* recipient */
1763
1764 /* tear down TX AMPDU */
1765 send_delba23a(padapter, 1, psta->hwaddr);/* originator */
1766
1767 issue_deauth23a(padapter, psta->hwaddr, reason);
1768 }
1769
1770 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1771 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1772
1773 /* report_del_sta_event23a(padapter, psta->hwaddr, reason); */
1774
1775 /* clear cam entry / key */
1776 /* clear_cam_entry23a(padapter, (psta->mac_id + 3)); */
1777 rtw_clearstakey_cmd23a(padapter, (u8*)psta, (u8)(psta->mac_id + 3), true);
1778
1779 spin_lock_bh(&psta->lock);
1780 psta->state &= ~_FW_LINKED;
1781 spin_unlock_bh(&psta->lock);
1782
1783 rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1784
1785 report_del_sta_event23a(padapter, psta->hwaddr, reason);
1786
1787 beacon_updated = bss_cap_update_on_sta_leave23a(padapter, psta);
1788
1789 spin_lock_bh(&pstapriv->sta_hash_lock);
1790 rtw_free_stainfo23a(padapter, psta);
1791 spin_unlock_bh(&pstapriv->sta_hash_lock);
1792
1793 return beacon_updated;
1794}
1795
1796int rtw_ap_inform_ch_switch23a (struct rtw_adapter *padapter, u8 new_ch, u8 ch_offset)
1797{
1798 struct list_head *phead, *plist;
1799 int ret = 0;
1800 struct sta_info *psta = NULL;
1801 struct sta_priv *pstapriv = &padapter->stapriv;
1802 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1803 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1804 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1805
1806 if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1807 return ret;
1808
1809 DBG_8723A(FUNC_NDEV_FMT" with ch:%u, offset:%u\n",
1810 FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset);
1811
1812 spin_lock_bh(&pstapriv->asoc_list_lock);
1813 phead = &pstapriv->asoc_list;
1814
1815 list_for_each(plist, phead) {
1816 psta = container_of(plist, struct sta_info, asoc_list);
1817
1818 issue_action_spct_ch_switch23a (padapter, psta->hwaddr, new_ch, ch_offset);
1819 psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
1820 }
1821 spin_unlock_bh(&pstapriv->asoc_list_lock);
1822
1823 issue_action_spct_ch_switch23a (padapter, bc_addr, new_ch, ch_offset);
1824
1825 return ret;
1826}
1827
1828int rtw_sta_flush23a(struct rtw_adapter *padapter)
1829{
1830 struct list_head *phead, *plist, *ptmp;
1831 int ret = 0;
1832 struct sta_info *psta;
1833 struct sta_priv *pstapriv = &padapter->stapriv;
1834 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1835 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1836 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1837 u8 chk_alive_num = 0;
1838 char chk_alive_list[NUM_STA];
1839 int i;
1840
1841 DBG_8723A(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1842
1843 if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1844 return ret;
1845
1846 spin_lock_bh(&pstapriv->asoc_list_lock);
1847 phead = &pstapriv->asoc_list;
1848
1849 list_for_each_safe(plist, ptmp, phead) {
1850 int stainfo_offset;
1851
1852 psta = container_of(plist, struct sta_info, asoc_list);
1853
1854 /* Remove sta from asoc_list */
1855 list_del_init(&psta->asoc_list);
1856 pstapriv->asoc_list_cnt--;
1857
1858 /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */
1859 stainfo_offset = rtw_stainfo_offset23a(pstapriv, psta);
1860 if (stainfo_offset_valid(stainfo_offset)) {
1861 chk_alive_list[chk_alive_num++] = stainfo_offset;
1862 }
1863 }
1864 spin_unlock_bh(&pstapriv->asoc_list_lock);
1865
1866 /* For each sta in chk_alive_list, call ap_free_sta23a */
1867 for (i = 0; i < chk_alive_num; i++) {
1868 psta = rtw_get_stainfo23a_by_offset23a(pstapriv, chk_alive_list[i]);
1869 ap_free_sta23a(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1870 }
1871
1872 issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1873
1874 associated_clients_update23a(padapter, true);
1875
1876 return ret;
1877}
1878
1879/* called > TSR LEVEL for USB or SDIO Interface*/
1880void sta_info_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1881{
1882 int flags = psta->flags;
1883 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1884
1885 /* update wmm cap. */
1886 if (WLAN_STA_WME&flags)
1887 psta->qos_option = 1;
1888 else
1889 psta->qos_option = 0;
1890
1891 if (pmlmepriv->qospriv.qos_option == 0)
1892 psta->qos_option = 0;
1893
1894 /* update 802.11n ht cap. */
1895 if (WLAN_STA_HT&flags)
1896 {
1897 psta->htpriv.ht_option = true;
1898 psta->qos_option = 1;
1899 }
1900 else
1901 {
1902 psta->htpriv.ht_option = false;
1903 }
1904
1905 if (pmlmepriv->htpriv.ht_option == false)
1906 psta->htpriv.ht_option = false;
1907
1908 update_sta_info23a_apmode23a(padapter, psta);
1909}
1910
1911/* called >= TSR LEVEL for USB or SDIO Interface*/
1912void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1913{
1914 if (psta->state & _FW_LINKED)
1915 {
1916 /* add ratid */
1917 add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */
1918 }
1919}
1920
1921/* restore hw setting from sw data structures */
1922void rtw_ap_restore_network(struct rtw_adapter *padapter)
1923{
1924 struct mlme_priv *mlmepriv = &padapter->mlmepriv;
1925 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1926 struct sta_priv * pstapriv = &padapter->stapriv;
1927 struct sta_info *psta;
1928 struct security_priv *psecuritypriv = &padapter->securitypriv;
1929 struct list_head *phead, *plist, *ptmp;
1930 u8 chk_alive_num = 0;
1931 char chk_alive_list[NUM_STA];
1932 int i;
1933
1934 rtw_setopmode_cmd23a(padapter, Ndis802_11APMode);
1935
1936 set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
1937
1938 start_bss_network(padapter, (u8*)&mlmepriv->cur_network.network);
1939
1940 if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
1941 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_))
1942 {
1943 /* restore group key, WEP keys is restored in ips_leave23a() */
1944 rtw_set_key23a(padapter, psecuritypriv, psecuritypriv->dot118021XGrpKeyid, 0);
1945 }
1946
1947 /* per sta pairwise key and settings */
1948 if ((padapter->securitypriv.dot11PrivacyAlgrthm != _TKIP_) &&
1949 (padapter->securitypriv.dot11PrivacyAlgrthm != _AES_)) {
1950 return;
1951 }
1952
1953 spin_lock_bh(&pstapriv->asoc_list_lock);
1954
1955 phead = &pstapriv->asoc_list;
1956
1957 list_for_each_safe(plist, ptmp, phead) {
1958 int stainfo_offset;
1959
1960 psta = container_of(plist, struct sta_info, asoc_list);
1961
1962 stainfo_offset = rtw_stainfo_offset23a(pstapriv, psta);
1963 if (stainfo_offset_valid(stainfo_offset)) {
1964 chk_alive_list[chk_alive_num++] = stainfo_offset;
1965 }
1966 }
1967
1968 spin_unlock_bh(&pstapriv->asoc_list_lock);
1969
1970 for (i = 0; i < chk_alive_num; i++) {
1971 psta = rtw_get_stainfo23a_by_offset23a(pstapriv, chk_alive_list[i]);
1972
1973 if (psta == NULL) {
1974 DBG_8723A(FUNC_ADPT_FMT" sta_info is null\n", FUNC_ADPT_ARG(padapter));
1975 }
1976 else if (psta->state &_FW_LINKED)
1977 {
1978 Update_RA_Entry23a(padapter, psta);
1979 /* pairwise key */
1980 rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true);
1981 }
1982 }
1983}
1984
1985void start_ap_mode23a(struct rtw_adapter *padapter)
1986{
1987 int i;
1988 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1989 struct sta_priv *pstapriv = &padapter->stapriv;
1990 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1991 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1992
1993 pmlmepriv->update_bcn = false;
1994
1995 /* init_mlme_ap_info23a(padapter); */
1996 pmlmeext->bstart_bss = false;
1997
1998 pmlmepriv->num_sta_non_erp = 0;
1999
2000 pmlmepriv->num_sta_no_short_slot_time = 0;
2001
2002 pmlmepriv->num_sta_no_short_preamble = 0;
2003
2004 pmlmepriv->num_sta_ht_no_gf = 0;
2005 pmlmepriv->num_sta_no_ht = 0;
2006 pmlmepriv->num_sta_ht_20mhz = 0;
2007
2008 pmlmepriv->olbc = false;
2009
2010 pmlmepriv->olbc_ht = false;
2011
2012 pmlmepriv->ht_op_mode = 0;
2013
2014 for (i = 0; i<NUM_STA; i++)
2015 pstapriv->sta_aid[i] = NULL;
2016
2017 pmlmepriv->wps_beacon_ie = NULL;
2018 pmlmepriv->wps_probe_resp_ie = NULL;
2019 pmlmepriv->wps_assoc_resp_ie = NULL;
2020
2021 pmlmepriv->p2p_beacon_ie = NULL;
2022 pmlmepriv->p2p_probe_resp_ie = NULL;
2023
2024 /* for ACL */
2025 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
2026 pacl_list->num = 0;
2027 pacl_list->mode = 0;
2028 for (i = 0; i < NUM_ACL; i++) {
2029 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
2030 pacl_list->aclnode[i].valid = false;
2031 }
2032}
2033
2034void stop_ap_mode23a(struct rtw_adapter *padapter)
2035{
2036 struct list_head *phead, *plist, *ptmp;
2037 struct rtw_wlan_acl_node *paclnode;
2038 struct sta_info *psta = NULL;
2039 struct sta_priv *pstapriv = &padapter->stapriv;
2040 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2041 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2042 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2043 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
2044
2045 pmlmepriv->update_bcn = false;
2046 pmlmeext->bstart_bss = false;
2047
2048 /* reset and init security priv , this can refine with rtw_reset_securitypriv23a */
2049 memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv));
2050 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
2051 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
2052
2053 /* for ACL */
2054 spin_lock_bh(&pacl_node_q->lock);
2055 phead = get_list_head(pacl_node_q);
2056
2057 list_for_each_safe(plist, ptmp, phead) {
2058 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
2059
2060 if (paclnode->valid == true) {
2061 paclnode->valid = false;
2062
2063 list_del_init(&paclnode->list);
2064
2065 pacl_list->num--;
2066 }
2067 }
2068 spin_unlock_bh(&pacl_node_q->lock);
2069
2070 DBG_8723A("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
2071
2072 rtw_sta_flush23a(padapter);
2073
2074 /* free_assoc_sta_resources */
2075 rtw_free_all_stainfo23a(padapter);
2076
2077 psta = rtw_get_bcmc_stainfo23a(padapter);
2078 spin_lock_bh(&pstapriv->sta_hash_lock);
2079 rtw_free_stainfo23a(padapter, psta);
2080 spin_unlock_bh(&pstapriv->sta_hash_lock);
2081
2082 rtw_init_bcmc_stainfo23a(padapter);
2083
2084 rtw23a_free_mlme_priv_ie_data(pmlmepriv);
2085}
2086
2087#endif /* CONFIG_8723AU_AP_MODE */
Linux kernel - Deliverables
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