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staging: android: ion: Pull out ion ioctls to a separate file
[linux-2.6/btrfs-unstable.git] / drivers / staging / rtl8723au / core / rtw_ap.c
blobaad686da3cf0b693d9830f913a09fdceefe73b38
1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 ******************************************************************************/
15 #define _RTW_AP_C_
16
17 #include <osdep_service.h>
18 #include <drv_types.h>
19 #include <linux/ieee80211.h>
20 #include <wifi.h>
21 #include <rtl8723a_cmd.h>
22 #include <rtl8723a_hal.h>
23 #include <asm/unaligned.h>
24 #include <rtw_mlme_ext.h>
25
26 void init_mlme_ap_info23a(struct rtw_adapter *padapter)
27 {
28 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
29 struct sta_priv *pstapriv = &padapter->stapriv;
30 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
31
32 spin_lock_init(&pmlmepriv->bcn_update_lock);
33
34 /* for ACL */
35 _rtw_init_queue23a(&pacl_list->acl_node_q);
36
37 start_ap_mode23a(padapter);
38 }
39
40 void free_mlme_ap_info23a(struct rtw_adapter *padapter)
41 {
42 struct sta_info *psta = NULL;
43 struct sta_priv *pstapriv = &padapter->stapriv;
44 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
45 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
46 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
47
48 pmlmepriv->update_bcn = false;
49 pmlmeext->bstart_bss = false;
50
51 rtw_sta_flush23a(padapter);
52
53 pmlmeinfo->state = MSR_NOLINK;
54
55 /* free_assoc_sta_resources */
56 rtw_free_all_stainfo23a(padapter);
57
58 /* free bc/mc sta_info */
59 psta = rtw_get_bcmc_stainfo23a(padapter);
60 spin_lock_bh(&pstapriv->sta_hash_lock);
61 rtw_free_stainfo23a(padapter, psta);
62 spin_unlock_bh(&pstapriv->sta_hash_lock);
63 }
64
65 static void update_BCNTIM(struct rtw_adapter *padapter)
66 {
67 struct sta_priv *pstapriv = &padapter->stapriv;
68 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
69 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
70 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
71 unsigned char *pie = pnetwork_mlmeext->IEs;
72 u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
73 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
74
75 p = rtw_get_ie23a(pie, WLAN_EID_TIM, &tim_ielen,
76 pnetwork_mlmeext->IELength);
77 if (p != NULL && tim_ielen > 0) {
78 tim_ielen += 2;
79
80 premainder_ie = p+tim_ielen;
81
82 tim_ie_offset = (int)(p - pie);
83
84 remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
85
86 /* append TIM IE from dst_ie offset */
87 dst_ie = p;
88 } else {
89 tim_ielen = 0;
90
91 /* calculate head_len */
92 offset = 0;
93
94 /* get ssid_ie len */
95 p = rtw_get_ie23a(pie, WLAN_EID_SSID,
96 &tmp_len, pnetwork_mlmeext->IELength);
97 if (p != NULL)
98 offset += tmp_len+2;
99
100 /* get supported rates len */
101 p = rtw_get_ie23a(pie, WLAN_EID_SUPP_RATES,
102 &tmp_len, pnetwork_mlmeext->IELength);
103 if (p != NULL)
104 offset += tmp_len+2;
105
106 /* DS Parameter Set IE, len = 3 */
107 offset += 3;
108
109 premainder_ie = pie + offset;
110
111 remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
112
113 /* append TIM IE from offset */
114 dst_ie = pie + offset;
115 }
116
117 if (remainder_ielen > 0) {
118 pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC);
119 if (pbackup_remainder_ie && premainder_ie)
120 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
121 }
122
123 *dst_ie++ = WLAN_EID_TIM;
124
125 if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
126 tim_ielen = 5;
127 else
128 tim_ielen = 4;
129
130 *dst_ie++ = tim_ielen;
131
132 *dst_ie++ = 0; /* DTIM count */
133 *dst_ie++ = 1; /* DTIM period */
134
135 if (pstapriv->tim_bitmap & BIT(0)) /* for bc/mc frames */
136 *dst_ie++ = BIT(0); /* bitmap ctrl */
137 else
138 *dst_ie++ = 0;
139
140 if (tim_ielen == 4) {
141 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
142 } else if (tim_ielen == 5) {
143 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
144 dst_ie += 2;
145 }
146
147 /* copy remainder IE */
148 if (pbackup_remainder_ie) {
149 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
150
151 kfree(pbackup_remainder_ie);
152 }
153
154 offset = (uint)(dst_ie - pie);
155 pnetwork_mlmeext->IELength = offset + remainder_ielen;
156
157 set_tx_beacon_cmd23a(padapter);
158 }
159
160 static u8 chk_sta_is_alive(struct sta_info *psta)
161 {
162 u8 ret = false;
163
164 if ((psta->sta_stats.last_rx_data_pkts +
165 psta->sta_stats.last_rx_ctrl_pkts) !=
166 (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
167 ret = true;
168
169 sta_update_last_rx_pkts(psta);
170
171 return ret;
172 }
173
174 void expire_timeout_chk23a(struct rtw_adapter *padapter)
175 {
176 struct list_head *phead;
177 u8 updated = 0;
178 struct sta_info *psta, *ptmp;
179 struct sta_priv *pstapriv = &padapter->stapriv;
180 u8 chk_alive_num = 0;
181 struct sta_info *chk_alive_list[NUM_STA];
182 int i;
183
184 spin_lock_bh(&pstapriv->auth_list_lock);
185 phead = &pstapriv->auth_list;
186 /* check auth_queue */
187 list_for_each_entry_safe(psta, ptmp, phead, auth_list) {
188 if (psta->expire_to > 0) {
189 psta->expire_to--;
190 if (psta->expire_to == 0) {
191 list_del_init(&psta->auth_list);
192 pstapriv->auth_list_cnt--;
193
194 DBG_8723A("auth expire %pM\n", psta->hwaddr);
195
196 spin_unlock_bh(&pstapriv->auth_list_lock);
197
198 spin_lock_bh(&pstapriv->sta_hash_lock);
199 rtw_free_stainfo23a(padapter, psta);
200 spin_unlock_bh(&pstapriv->sta_hash_lock);
201
202 spin_lock_bh(&pstapriv->auth_list_lock);
203 }
204 }
205 }
206 spin_unlock_bh(&pstapriv->auth_list_lock);
207
208 spin_lock_bh(&pstapriv->asoc_list_lock);
209 phead = &pstapriv->asoc_list;
210 /* check asoc_queue */
211 list_for_each_entry_safe(psta, ptmp, phead, asoc_list) {
212 if (chk_sta_is_alive(psta) || !psta->expire_to) {
213 psta->expire_to = pstapriv->expire_to;
214 psta->keep_alive_trycnt = 0;
215 } else {
216 psta->expire_to--;
217 }
218
219 if (psta->expire_to <= 0) {
220 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
221
222 if (padapter->registrypriv.wifi_spec == 1) {
223 psta->expire_to = pstapriv->expire_to;
224 continue;
225 }
226
227 if (psta->state & WIFI_SLEEP_STATE) {
228 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
229 /*
230 * check if alive by another method
231 * if station is at ps mode.
232 */
233 psta->expire_to = pstapriv->expire_to;
234 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
235 /*
236 * update bcn with tim_bitmap
237 * for this station
238 */
239 pstapriv->tim_bitmap |= CHKBIT(psta->aid);
240 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
241
242 if (!pmlmeext->active_keep_alive_check)
243 continue;
244 }
245 }
246
247 if (pmlmeext->active_keep_alive_check) {
248 chk_alive_list[chk_alive_num++] = psta;
249 continue;
250 }
251
252 list_del_init(&psta->asoc_list);
253 pstapriv->asoc_list_cnt--;
254
255 DBG_8723A("asoc expire %pM, state = 0x%x\n",
256 psta->hwaddr, psta->state);
257 updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
258 } else {
259 /*
260 * TODO: Aging mechanism to digest frames in
261 * sleep_q to avoid running out of xmitframe
262 */
263 if (psta->sleepq_len > (NR_XMITFRAME/pstapriv->asoc_list_cnt)
264 && padapter->xmitpriv.free_xmitframe_cnt < ((NR_XMITFRAME/pstapriv->asoc_list_cnt)/2)
265 ) {
266 DBG_8723A("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n",
267 __func__,
268 psta->hwaddr,
269 psta->sleepq_len,
270 padapter->xmitpriv.free_xmitframe_cnt,
271 pstapriv->asoc_list_cnt);
272 wakeup_sta_to_xmit23a(padapter, psta);
273 }
274 }
275 }
276 spin_unlock_bh(&pstapriv->asoc_list_lock);
277
278 if (chk_alive_num) {
279
280 u8 backup_oper_channel = 0;
281 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
282 /*
283 * switch to correct channel of current
284 * network before issue keep-alive frames
285 */
286 if (rtw_get_oper_ch23a(padapter) != pmlmeext->cur_channel) {
287 backup_oper_channel = rtw_get_oper_ch23a(padapter);
288 SelectChannel23a(padapter, pmlmeext->cur_channel);
289 }
290
291 /* issue null data to check sta alive */
292 for (i = 0; i < chk_alive_num; i++) {
293
294 int ret = _FAIL;
295
296 psta = chk_alive_list[i];
297 if (!(psta->state & _FW_LINKED))
298 continue;
299
300 if (psta->state & WIFI_SLEEP_STATE)
301 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 1, 50);
302 else
303 ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 3, 50);
304
305 psta->keep_alive_trycnt++;
306 if (ret == _SUCCESS) {
307 DBG_8723A("asoc check, sta(%pM) is alive\n",
308 psta->hwaddr);
309 psta->expire_to = pstapriv->expire_to;
310 psta->keep_alive_trycnt = 0;
311 continue;
312 } else if (psta->keep_alive_trycnt <= 3) {
313 DBG_8723A("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
314 psta->expire_to = 1;
315 continue;
316 }
317
318 psta->keep_alive_trycnt = 0;
319
320 DBG_8723A("asoc expire %pM, state = 0x%x\n",
321 psta->hwaddr, psta->state);
322 spin_lock_bh(&pstapriv->asoc_list_lock);
323 if (!list_empty(&psta->asoc_list)) {
324 list_del_init(&psta->asoc_list);
325 pstapriv->asoc_list_cnt--;
326 updated = ap_free_sta23a(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
327 }
328 spin_unlock_bh(&pstapriv->asoc_list_lock);
329
330 }
331
332 if (backup_oper_channel > 0) /* back to original operation channel */
333 SelectChannel23a(padapter, backup_oper_channel);
334 }
335
336 associated_clients_update23a(padapter, updated);
337 }
338
339 void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level)
340 {
341 int i;
342 u8 rf_type;
343 u32 init_rate = 0;
344 unsigned char sta_band = 0, raid, shortGIrate = false;
345 unsigned char limit;
346 unsigned int tx_ra_bitmap = 0;
347 struct ht_priv *psta_ht = NULL;
348 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
349 struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
350
351 if (psta)
352 psta_ht = &psta->htpriv;
353 else
354 return;
355
356 if (!(psta->state & _FW_LINKED))
357 return;
358
359 /* b/g mode ra_bitmap */
360 for (i = 0; i < sizeof(psta->bssrateset); i++) {
361 if (psta->bssrateset[i])
362 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
363 }
364 /* n mode ra_bitmap */
365 if (psta_ht->ht_option) {
366 rf_type = rtl8723a_get_rf_type(padapter);
367
368 if (rf_type == RF_2T2R)
369 limit = 16; /* 2R */
370 else
371 limit = 8; /* 1R */
372
373 for (i = 0; i < limit; i++) {
374 if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
375 tx_ra_bitmap |= BIT(i + 12);
376 }
377
378 /* max short GI rate */
379 shortGIrate = psta_ht->sgi;
380 }
381
382 if (pcur_network->DSConfig > 14) {
383 /* 5G band */
384 if (tx_ra_bitmap & 0xffff000)
385 sta_band |= WIRELESS_11_5N | WIRELESS_11A;
386 else
387 sta_band |= WIRELESS_11A;
388 } else {
389 if (tx_ra_bitmap & 0xffff000)
390 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
391 else if (tx_ra_bitmap & 0xff0)
392 sta_band |= WIRELESS_11G | WIRELESS_11B;
393 else
394 sta_band |= WIRELESS_11B;
395 }
396
397 psta->wireless_mode = sta_band;
398
399 raid = networktype_to_raid23a(sta_band);
400 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
401
402 if (psta->aid < NUM_STA) {
403 u8 arg;
404
405 arg = psta->mac_id&0x1f;
406
407 arg |= BIT(7); /* support entry 2~31 */
408
409 if (shortGIrate == true)
410 arg |= BIT(5);
411
412 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
413
414 DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = "
415 "0x%x\n",
416 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
417
418 /* bitmap[0:27] = tx_rate_bitmap */
419 /* bitmap[28:31]= Rate Adaptive id */
420 /* arg[0:4] = macid */
421 /* arg[5] = Short GI */
422 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level);
423
424 if (shortGIrate == true)
425 init_rate |= BIT(6);
426
427 /* set ra_id, init_rate */
428 psta->raid = raid;
429 psta->init_rate = init_rate;
430
431 } else
432 DBG_8723A("station aid %d exceed the max number\n", psta->aid);
433 }
434
435 static void update_bmc_sta(struct rtw_adapter *padapter)
436 {
437 u32 init_rate = 0;
438 unsigned char network_type, raid;
439 int i, supportRateNum = 0;
440 unsigned int tx_ra_bitmap = 0;
441 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
442 struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network;
443 struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter);
444
445 if (psta) {
446 psta->aid = 0; /* default set to 0 */
447 psta->mac_id = psta->aid + 1;
448
449 psta->qos_option = 0;
450 psta->htpriv.ht_option = false;
451
452 psta->ieee8021x_blocked = 0;
453
454 memset((void *)&psta->sta_stats, 0,
455 sizeof(struct stainfo_stats));
456
457 /* prepare for add_RATid23a */
458 supportRateNum = rtw_get_rateset_len23a((u8 *)&pcur_network->SupportedRates);
459 network_type = rtw_check_network_type23a((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
460
461 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
462 psta->bssratelen = supportRateNum;
463
464 /* b/g mode ra_bitmap */
465 for (i = 0; i < supportRateNum; i++) {
466 if (psta->bssrateset[i])
467 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f);
468 }
469
470 if (pcur_network->DSConfig > 14) {
471 /* force to A mode. 5G doesn't support CCK rates */
472 network_type = WIRELESS_11A;
473 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
474 } else {
475 /* force to b mode */
476 network_type = WIRELESS_11B;
477 tx_ra_bitmap = 0xf;
478 }
479
480 raid = networktype_to_raid23a(network_type);
481 init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f;
482
483 /* ap mode */
484 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
485
486 {
487 u8 arg;
488
489 arg = psta->mac_id&0x1f;
490
491 arg |= BIT(7);
492
493 tx_ra_bitmap |= ((raid<<28)&0xf0000000);
494
495 DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
496
497 /* bitmap[0:27] = tx_rate_bitmap */
498 /* bitmap[28:31]= Rate Adaptive id */
499 /* arg[0:4] = macid */
500 /* arg[5] = Short GI */
501 rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0);
502 }
503
504 /* set ra_id, init_rate */
505 psta->raid = raid;
506 psta->init_rate = init_rate;
507
508 spin_lock_bh(&psta->lock);
509 psta->state = _FW_LINKED;
510 spin_unlock_bh(&psta->lock);
511
512 } else
513 DBG_8723A("add_RATid23a_bmc_sta error!\n");
514 }
515
516 /*
517 * AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode
518 * MAC_ID = AID+1 for sta in ap/adhoc mode
519 * MAC_ID = 1 for bc/mc for sta/ap/adhoc
520 * MAC_ID = 0 for bssid for sta/ap/adhoc
521 * CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid + 1;
522 */
523 void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta)
524 {
525 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
526 struct security_priv *psecuritypriv = &padapter->securitypriv;
527 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
528 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
529 struct ht_priv *phtpriv_sta = &psta->htpriv;
530 /* set intf_tag to if1 */
531
532 psta->mac_id = psta->aid+1;
533 DBG_8723A("%s\n", __func__);
534
535 /* ap mode */
536 rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true);
537
538 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
539 psta->ieee8021x_blocked = true;
540 else
541 psta->ieee8021x_blocked = false;
542
543 /* update sta's cap */
544
545 /* ERP */
546 VCS_update23a(padapter, psta);
547 /* HT related cap */
548 if (phtpriv_sta->ht_option) {
549 /* check if sta supports rx ampdu */
550 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
551
552 /* check if sta support s Short GI */
553 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))
554 phtpriv_sta->sgi = true;
555
556 /* bwmode */
557 if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) {
558 /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */
559 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
560 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
561
562 }
563
564 psta->qos_option = true;
565
566 } else {
567 phtpriv_sta->ampdu_enable = false;
568
569 phtpriv_sta->sgi = false;
570 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
571 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
572 }
573
574 /* Rx AMPDU */
575 send_delba23a(padapter, 0, psta->hwaddr); /* recipient */
576
577 /* TX AMPDU */
578 send_delba23a(padapter, 1, psta->hwaddr); /* originator */
579 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
580 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
581
582 /* todo: init other variables */
583
584 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
585
586 spin_lock_bh(&psta->lock);
587 psta->state |= _FW_LINKED;
588 spin_unlock_bh(&psta->lock);
589 }
590
591 static void update_hw_ht_param(struct rtw_adapter *padapter)
592 {
593 unsigned char max_AMPDU_len;
594 unsigned char min_MPDU_spacing;
595 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
596 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
597
598 DBG_8723A("%s\n", __func__);
599 /*
600 * handle A-MPDU parameter field
601 * AMPDU_para [1:0]:Max AMPDU Len => 0:8k, 1:16k, 2:32k, 3:64k
602 * AMPDU_para [4:2]:Min MPDU Start Spacing
603 */
604 max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info &
605 IEEE80211_HT_AMPDU_PARM_FACTOR;
606
607 min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info &
608 IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2;
609
610 rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing);
611 rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len);
612
613 /* Config SM Power Save setting */
614 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) &
615 IEEE80211_HT_CAP_SM_PS) >> 2;
616 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
617 DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
618 }
619
620 static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf)
621 {
622 const u8 *p;
623 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
624 u16 bcn_interval;
625 u32 acparm;
626 struct registry_priv *pregpriv = &padapter->registrypriv;
627 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
628 struct security_priv *psecuritypriv = &padapter->securitypriv;
629 struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network;
630 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
631 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
632 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
633 struct ieee80211_ht_operation *pht_info = NULL;
634
635 bcn_interval = (u16)pnetwork->beacon_interval;
636 cur_channel = pnetwork->DSConfig;
637 cur_bwmode = HT_CHANNEL_WIDTH_20;
638 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
639
640 /*
641 * check if there is wps ie
642 * if there is wpsie in beacon the hostapd will
643 * update beacon twice when stating hostapd
644 * and at first time the security
645 * ie (RSN/WPA IE) will not include in beacon
646 */
647 if (!cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT,
648 WLAN_OUI_TYPE_MICROSOFT_WPS,
649 pnetwork->IEs,
650 pnetwork->IELength))
651 pmlmeext->bstart_bss = true;
652
653 /* todo: update wmm, ht cap */
654 /* pmlmeinfo->WMM_enable; */
655 /* pmlmeinfo->HT_enable; */
656 if (pmlmepriv->qos_option)
657 pmlmeinfo->WMM_enable = true;
658 if (pmlmepriv->htpriv.ht_option) {
659 pmlmeinfo->WMM_enable = true;
660 pmlmeinfo->HT_enable = true;
661
662 update_hw_ht_param(padapter);
663 }
664
665 if (pmlmepriv->cur_network.join_res != true) {
666 /*
667 * setting only at first time
668 * WEP Key will be set before this
669 * function, do not clear CAM.
670 */
671 if (psecuritypriv->dot11PrivacyAlgrthm !=
672 WLAN_CIPHER_SUITE_WEP40 &&
673 psecuritypriv->dot11PrivacyAlgrthm !=
674 WLAN_CIPHER_SUITE_WEP104)
675 flush_all_cam_entry23a(padapter); /* clear CAM */
676 }
677
678 /* set MSR to AP_Mode */
679 rtl8723a_set_media_status(padapter, MSR_AP);
680
681 /* Set BSSID REG */
682 hw_var_set_bssid(padapter, pnetwork->MacAddress);
683
684 /* Set EDCA param reg */
685 acparm = 0x002F3217; /* VO */
686 rtl8723a_set_ac_param_vo(padapter, acparm);
687 acparm = 0x005E4317; /* VI */
688 rtl8723a_set_ac_param_vi(padapter, acparm);
689 acparm = 0x005ea42b;
690 rtl8723a_set_ac_param_be(padapter, acparm);
691 acparm = 0x0000A444; /* BK */
692 rtl8723a_set_ac_param_bk(padapter, acparm);
693
694 /* Set Security */
695 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ?
696 0xcc : 0xcf;
697 rtl8723a_set_sec_cfg(padapter, val8);
698
699 /* Beacon Control related register */
700 rtl8723a_set_beacon_interval(padapter, bcn_interval);
701
702 UpdateBrateTbl23a(padapter, pnetwork->SupportedRates);
703 HalSetBrateCfg23a(padapter, pnetwork->SupportedRates);
704
705 if (!pmlmepriv->cur_network.join_res) {
706 /* setting only at first time */
707
708 /* disable dynamic functions, such as high power, DIG */
709
710 /* turn on all dynamic functions */
711 rtl8723a_odm_support_ability_set(padapter,
712 DYNAMIC_ALL_FUNC_ENABLE);
713 }
714 /* set channel, bwmode */
715
716 p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs,
717 pnetwork->IELength);
718 if (p && p[1]) {
719 pht_info = (struct ieee80211_ht_operation *)(p + 2);
720
721 if (pregpriv->cbw40_enable && pht_info->ht_param &
722 IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) {
723 /* switch to the 40M Hz mode */
724 cur_bwmode = HT_CHANNEL_WIDTH_40;
725 switch (pht_info->ht_param &
726 IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
727 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
728 /*
729 * pmlmeext->cur_ch_offset =
730 * HAL_PRIME_CHNL_OFFSET_LOWER;
731 */
732 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
733 break;
734 case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
735 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
736 break;
737 default:
738 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
739 break;
740 }
741 }
742 }
743 /*
744 * TODO: need to judge the phy parameters
745 * on concurrent mode for single phy
746 */
747 set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode);
748
749 DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode,
750 cur_ch_offset);
751
752 pmlmeext->cur_channel = cur_channel;
753 pmlmeext->cur_bwmode = cur_bwmode;
754 pmlmeext->cur_ch_offset = cur_ch_offset;
755 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
756
757 /* update cur_wireless_mode */
758 update_wireless_mode23a(padapter);
759
760 /* update capability after cur_wireless_mode updated */
761 update_capinfo23a(padapter, pnetwork->capability);
762
763 /* let pnetwork_mlmeext == pnetwork_mlme. */
764 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
765
766 if (pmlmeext->bstart_bss) {
767 update_beacon23a(padapter, WLAN_EID_TIM, NULL, false);
768
769 /* issue beacon frame */
770 if (send_beacon23a(padapter) == _FAIL)
771 DBG_8723A("issue_beacon23a, fail!\n");
772 }
773
774 /* update bc/mc sta_info */
775 update_bmc_sta(padapter);
776 }
777
778 int rtw_check_beacon_data23a(struct rtw_adapter *padapter,
779 struct ieee80211_mgmt *mgmt, unsigned int len)
780 {
781 int ret = _SUCCESS;
782 u8 *p;
783 u8 *pHT_caps_ie = NULL;
784 u8 *pHT_info_ie = NULL;
785 struct sta_info *psta = NULL;
786 u16 ht_cap = false;
787 uint ie_len = 0;
788 int group_cipher, pairwise_cipher;
789 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
790 int supportRateNum = 0;
791 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
792 struct registry_priv *pregistrypriv = &padapter->registrypriv;
793 struct security_priv *psecuritypriv = &padapter->securitypriv;
794 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
795 struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network;
796 u8 *ie = pbss_network->IEs;
797 u8 *pbuf = mgmt->u.beacon.variable;
798
799 len -= offsetof(struct ieee80211_mgmt, u.beacon.variable);
800 /* SSID */
801 /* Supported rates */
802 /* DS Params */
803 /* WLAN_EID_COUNTRY */
804 /* ERP Information element */
805 /* Extended supported rates */
806 /* WPA/WPA2 */
807 /* Wi-Fi Wireless Multimedia Extensions */
808 /* ht_capab, ht_oper */
809 /* WPS IE */
810
811 DBG_8723A("%s, len =%d\n", __func__, len);
812
813 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
814 return _FAIL;
815
816 if (len > MAX_IE_SZ)
817 return _FAIL;
818
819 pbss_network->IELength = len;
820
821 memset(ie, 0, MAX_IE_SZ);
822
823 memcpy(ie, pbuf, pbss_network->IELength);
824
825 if (pbss_network->ifmode != NL80211_IFTYPE_AP &&
826 pbss_network->ifmode != NL80211_IFTYPE_P2P_GO)
827 return _FAIL;
828
829 pbss_network->Rssi = 0;
830
831 memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN);
832
833 /* SSID */
834 p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength);
835 if (p && ie_len > 0) {
836 memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid));
837 memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len);
838 pbss_network->Ssid.ssid_len = ie_len;
839 }
840
841 /* channel */
842 channel = 0;
843 p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len,
844 pbss_network->IELength);
845 if (p && ie_len > 0)
846 channel = *(p + 2);
847
848 pbss_network->DSConfig = channel;
849
850 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
851 /* get supported rates */
852 p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len,
853 pbss_network->IELength);
854 if (p) {
855 memcpy(supportRate, p+2, ie_len);
856 supportRateNum = ie_len;
857 }
858
859 /* get ext_supported rates */
860 p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES,
861 &ie_len, pbss_network->IELength);
862 if (p) {
863 memcpy(supportRate+supportRateNum, p+2, ie_len);
864 supportRateNum += ie_len;
865 }
866
867 network_type = rtw_check_network_type23a(supportRate,
868 supportRateNum, channel);
869
870 rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type);
871
872 /* parsing ERP_IE */
873 p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len,
874 pbss_network->IELength);
875 if (p && ie_len > 0)
876 ERP_IE_handler23a(padapter, p);
877
878 /* update privacy/security */
879 if (pbss_network->capability & BIT(4))
880 pbss_network->Privacy = 1;
881 else
882 pbss_network->Privacy = 0;
883
884 psecuritypriv->wpa_psk = 0;
885
886 /* wpa2 */
887 group_cipher = 0; pairwise_cipher = 0;
888 psecuritypriv->wpa2_group_cipher = 0;
889 psecuritypriv->wpa2_pairwise_cipher = 0;
890 p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len,
891 pbss_network->IELength);
892 if (p && ie_len > 0) {
893 if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher,
894 &pairwise_cipher, NULL) == _SUCCESS) {
895 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
896
897 psecuritypriv->dot8021xalg = 1; /* psk, todo:802.1x */
898 psecuritypriv->wpa_psk |= BIT(1);
899
900 psecuritypriv->wpa2_group_cipher = group_cipher;
901 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
902 }
903 }
904
905 /* wpa */
906 ie_len = 0;
907 group_cipher = 0;
908 pairwise_cipher = 0;
909 psecuritypriv->wpa_group_cipher = 0;
910 psecuritypriv->wpa_pairwise_cipher = 0;
911 for (p = ie; ; p += (ie_len + 2)) {
912 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
913 pbss_network->IELength - (ie_len + 2));
914 if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) {
915 if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher,
916 &pairwise_cipher, NULL) == _SUCCESS) {
917 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
918
919 /* psk, todo:802.1x */
920 psecuritypriv->dot8021xalg = 1;
921
922 psecuritypriv->wpa_psk |= BIT(0);
923
924 psecuritypriv->wpa_group_cipher = group_cipher;
925 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
926 }
927 break;
928 }
929
930 if (!p || !ie_len)
931 break;
932 }
933
934 /* wmm */
935 ie_len = 0;
936 pmlmepriv->qos_option = 0;
937 if (pregistrypriv->wmm_enable) {
938 for (p = ie; ; p += (ie_len + 2)) {
939 p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len,
940 (pbss_network->IELength -
941 (ie_len + 2)));
942 if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
943 pmlmepriv->qos_option = 1;
944
945 *(p + 8) |= BIT(7);/* QoS Info:support U-APSD */
946
947 /* disable all ACM bits since the WMM admission
948 * control is not supported
949 */
950 *(p + 10) &= ~BIT(4); /* BE */
951 *(p + 14) &= ~BIT(4); /* BK */
952 *(p + 18) &= ~BIT(4); /* VI */
953 *(p + 22) &= ~BIT(4); /* VO */
954 break;
955 }
956 if ((p == NULL) || (ie_len == 0))
957 break;
958 }
959 }
960 /* parsing HT_CAP_IE */
961 p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len,
962 pbss_network->IELength);
963 if (p && ie_len > 0) {
964 u8 rf_type;
965
966 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2);
967
968 pHT_caps_ie = p;
969
970 ht_cap = true;
971 network_type |= WIRELESS_11_24N;
972
973 rf_type = rtl8723a_get_rf_type(padapter);
974
975 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
976 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
977 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2));
978 else
979 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00);
980
981 /* set Max Rx AMPDU size to 64K */
982 pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03);
983
984 if (rf_type == RF_1T1R) {
985 pht_cap->mcs.rx_mask[0] = 0xff;
986 pht_cap->mcs.rx_mask[1] = 0x0;
987 }
988
989 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
990 }
991
992 /* parsing HT_INFO_IE */
993 p = rtw_get_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len,
994 pbss_network->IELength);
995 if (p && ie_len > 0)
996 pHT_info_ie = p;
997
998 pmlmepriv->cur_network.network_type = network_type;
999
1000 pmlmepriv->htpriv.ht_option = false;
1001
1002 /* ht_cap */
1003 if (pregistrypriv->ht_enable && ht_cap) {
1004 pmlmepriv->htpriv.ht_option = true;
1005 pmlmepriv->qos_option = 1;
1006
1007 if (pregistrypriv->ampdu_enable == 1)
1008 pmlmepriv->htpriv.ampdu_enable = true;
1009
1010 HT_caps_handler23a(padapter, pHT_caps_ie);
1011
1012 HT_info_handler23a(padapter, pHT_info_ie);
1013 }
1014
1015 pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network);
1016
1017 /* issue beacon to start bss network */
1018 start_bss_network(padapter, (u8 *)pbss_network);
1019
1020 /* alloc sta_info for ap itself */
1021 psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress);
1022 if (!psta) {
1023 psta = rtw_alloc_stainfo23a(&padapter->stapriv,
1024 pbss_network->MacAddress,
1025 GFP_KERNEL);
1026 if (!psta)
1027 return _FAIL;
1028 }
1029 /* fix bug of flush_cam_entry at STOP AP mode */
1030 psta->state |= WIFI_AP_STATE;
1031 rtw_indicate_connect23a(padapter);
1032
1033 /* for check if already set beacon */
1034 pmlmepriv->cur_network.join_res = true;
1035
1036 return ret;
1037 }
1038
1039 void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode)
1040 {
1041 struct sta_priv *pstapriv = &padapter->stapriv;
1042 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1043
1044 DBG_8723A("%s, mode =%d\n", __func__, mode);
1045
1046 pacl_list->mode = mode;
1047 }
1048
1049 static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter)
1050 {
1051 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1052 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1053 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1054 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1055 unsigned char *p, *ie = pnetwork->IEs;
1056 u32 len = 0;
1057
1058 DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1059
1060 if (!pmlmeinfo->ERP_enable)
1061 return;
1062
1063 /* parsing ERP_IE */
1064 p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength);
1065 if (p && len > 0) {
1066 if (pmlmepriv->num_sta_non_erp == 1)
1067 p[2] |= WLAN_ERP_NON_ERP_PRESENT |
1068 WLAN_ERP_USE_PROTECTION;
1069 else
1070 p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT |
1071 WLAN_ERP_USE_PROTECTION);
1072
1073 if (pmlmepriv->num_sta_no_short_preamble > 0)
1074 p[2] |= WLAN_ERP_BARKER_PREAMBLE;
1075 else
1076 p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE);
1077
1078 ERP_IE_handler23a(padapter, p);
1079 }
1080 }
1081
1082 static void update_bcn_wpa_ie(struct rtw_adapter *padapter)
1083 {
1084 DBG_8723A("%s\n", __func__);
1085 }
1086
1087 static void update_bcn_wmm_ie(struct rtw_adapter *padapter)
1088 {
1089 DBG_8723A("%s\n", __func__);
1090 }
1091
1092 static void update_bcn_wps_ie(struct rtw_adapter *padapter)
1093 {
1094 DBG_8723A("%s\n", __func__);
1095 }
1096
1097 static void update_bcn_p2p_ie(struct rtw_adapter *padapter)
1098 {
1099 }
1100
1101 static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8 *oui)
1102 {
1103 DBG_8723A("%s\n", __func__);
1104
1105 if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4))
1106 update_bcn_wpa_ie(padapter);
1107 else if (!memcmp(WMM_OUI23A, oui, 4))
1108 update_bcn_wmm_ie(padapter);
1109 else if (!memcmp(WPS_OUI23A, oui, 4))
1110 update_bcn_wps_ie(padapter);
1111 else if (!memcmp(P2P_OUI23A, oui, 4))
1112 update_bcn_p2p_ie(padapter);
1113 else
1114 DBG_8723A("unknown OUI type!\n");
1115 }
1116
1117 void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1118 {
1119 struct mlme_priv *pmlmepriv;
1120 struct mlme_ext_priv *pmlmeext;
1121 /* struct mlme_ext_info *pmlmeinfo; */
1122
1123 /* DBG_8723A("%s\n", __func__); */
1124
1125 if (!padapter)
1126 return;
1127
1128 pmlmepriv = &padapter->mlmepriv;
1129 pmlmeext = &padapter->mlmeextpriv;
1130 /* pmlmeinfo = &pmlmeext->mlmext_info; */
1131
1132 if (false == pmlmeext->bstart_bss)
1133 return;
1134
1135 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1136
1137 switch (ie_id) {
1138 case WLAN_EID_TIM:
1139 update_BCNTIM(padapter);
1140 break;
1141
1142 case WLAN_EID_ERP_INFO:
1143 update_bcn_erpinfo_ie(padapter);
1144 break;
1145
1146 case WLAN_EID_VENDOR_SPECIFIC:
1147 update_bcn_vendor_spec_ie(padapter, oui);
1148 break;
1149
1150 default:
1151 break;
1152 }
1153
1154 pmlmepriv->update_bcn = true;
1155
1156 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1157
1158 if (tx)
1159 set_tx_beacon_cmd23a(padapter);
1160 }
1161
1162 /*
1163 * op_mode
1164 * Set to 0 (HT pure) under the following conditions
1165 * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1166 * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1167 * Set to 1 (HT non-member protection) if there may be non-HT STAs
1168 * in both the primary and the secondary channel
1169 * Set to 2 if only HT STAs are associated in BSS,
1170 * however and at least one 20 MHz HT STA is associated
1171 * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1172 * (currently non-GF HT station is considered as non-HT STA also)
1173 */
1174 static int rtw_ht_operation_update(struct rtw_adapter *padapter)
1175 {
1176 u16 cur_op_mode, new_op_mode;
1177 int op_mode_changes = 0;
1178 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1179 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1180
1181 if (pmlmepriv->htpriv.ht_option)
1182 return 0;
1183
1184 /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */
1185 /* return 0; */
1186
1187 DBG_8723A("%s current operation mode = 0x%X\n",
1188 __func__, pmlmepriv->ht_op_mode);
1189
1190 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1191 && pmlmepriv->num_sta_ht_no_gf) {
1192 pmlmepriv->ht_op_mode |=
1193 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1194 op_mode_changes++;
1195 } else if ((pmlmepriv->ht_op_mode &
1196 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1197 pmlmepriv->num_sta_ht_no_gf == 0) {
1198 pmlmepriv->ht_op_mode &=
1199 ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1200 op_mode_changes++;
1201 }
1202
1203 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1204 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1205 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1206 op_mode_changes++;
1207 } else if ((pmlmepriv->ht_op_mode &
1208 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1209 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1210 pmlmepriv->ht_op_mode &=
1211 ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1212 op_mode_changes++;
1213 }
1214
1215 /*
1216 * Note: currently we switch to the MIXED op mode if HT non-greenfield
1217 * station is associated. Probably it's a theoretical case, since
1218 * it looks like all known HT STAs support greenfield.
1219 */
1220 if (pmlmepriv->num_sta_no_ht ||
1221 (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1222 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1223 else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1224 IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
1225 pmlmepriv->num_sta_ht_20mhz)
1226 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1227 else if (pmlmepriv->olbc_ht)
1228 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1229 else
1230 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1231
1232 cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1233 if (cur_op_mode != new_op_mode) {
1234 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1235 pmlmepriv->ht_op_mode |= new_op_mode;
1236 op_mode_changes++;
1237 }
1238
1239 DBG_8723A("%s new operation mode = 0x%X changes =%d\n",
1240 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1241
1242 return op_mode_changes;
1243 }
1244
1245 void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated)
1246 {
1247 /* update associated stations cap. */
1248 if (updated == true) {
1249 struct list_head *phead;
1250 struct sta_info *psta, *ptmp;
1251 struct sta_priv *pstapriv = &padapter->stapriv;
1252
1253 spin_lock_bh(&pstapriv->asoc_list_lock);
1254 phead = &pstapriv->asoc_list;
1255 list_for_each_entry_safe(psta, ptmp, phead, asoc_list)
1256 VCS_update23a(padapter, psta);
1257 spin_unlock_bh(&pstapriv->asoc_list_lock);
1258 }
1259 }
1260
1261 /* called > TSR LEVEL for USB or SDIO Interface */
1262 void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta)
1263 {
1264 u8 beacon_updated = false;
1265 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1266 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1267
1268 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1269 if (!psta->no_short_preamble_set) {
1270 psta->no_short_preamble_set = 1;
1271
1272 pmlmepriv->num_sta_no_short_preamble++;
1273
1274 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1275 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1276 beacon_updated = true;
1277 update_beacon23a(padapter, 0xFF, NULL, true);
1278 }
1279
1280 }
1281 } else {
1282 if (psta->no_short_preamble_set) {
1283 psta->no_short_preamble_set = 0;
1284
1285 pmlmepriv->num_sta_no_short_preamble--;
1286
1287 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1288 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1289 beacon_updated = true;
1290 update_beacon23a(padapter, 0xFF, NULL, true);
1291 }
1292
1293 }
1294 }
1295
1296 if (psta->flags & WLAN_STA_NONERP) {
1297 if (!psta->nonerp_set) {
1298 psta->nonerp_set = 1;
1299
1300 pmlmepriv->num_sta_non_erp++;
1301
1302 if (pmlmepriv->num_sta_non_erp == 1) {
1303 beacon_updated = true;
1304 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1305 }
1306 }
1307
1308 } else {
1309 if (psta->nonerp_set) {
1310 psta->nonerp_set = 0;
1311
1312 pmlmepriv->num_sta_non_erp--;
1313
1314 if (pmlmepriv->num_sta_non_erp == 0) {
1315 beacon_updated = true;
1316 update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true);
1317 }
1318 }
1319
1320 }
1321
1322 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1323 if (!psta->no_short_slot_time_set) {
1324 psta->no_short_slot_time_set = 1;
1325
1326 pmlmepriv->num_sta_no_short_slot_time++;
1327
1328 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1329 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1330 beacon_updated = true;
1331 update_beacon23a(padapter, 0xFF, NULL, true);
1332 }
1333
1334 }
1335 } else {
1336 if (psta->no_short_slot_time_set) {
1337 psta->no_short_slot_time_set = 0;
1338
1339 pmlmepriv->num_sta_no_short_slot_time--;
1340
1341 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1342 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1343 beacon_updated = true;
1344 update_beacon23a(padapter, 0xFF, NULL, true);
1345 }
1346 }
1347 }
1348
1349 if (psta->flags & WLAN_STA_HT) {
1350 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1351
1352 DBG_8723A("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1353 psta->hwaddr, ht_capab);
1354
1355 if (psta->no_ht_set) {
1356 psta->no_ht_set = 0;
1357 pmlmepriv->num_sta_no_ht--;
1358 }
1359
1360 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1361 if (!psta->no_ht_gf_set) {
1362 psta->no_ht_gf_set = 1;
1363 pmlmepriv->num_sta_ht_no_gf++;
1364 }
1365 DBG_8723A("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1366 __func__, psta->hwaddr,
1367 pmlmepriv->num_sta_ht_no_gf);
1368 }
1369
1370 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) {
1371 if (!psta->ht_20mhz_set) {
1372 psta->ht_20mhz_set = 1;
1373 pmlmepriv->num_sta_ht_20mhz++;
1374 }
1375 DBG_8723A("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1376 __func__, psta->hwaddr,
1377 pmlmepriv->num_sta_ht_20mhz);
1378 }
1379
1380 } else {
1381 if (!psta->no_ht_set) {
1382 psta->no_ht_set = 1;
1383 pmlmepriv->num_sta_no_ht++;
1384 }
1385 if (pmlmepriv->htpriv.ht_option) {
1386 DBG_8723A("%s STA %pM - no HT, num of non-HT stations %d\n",
1387 __func__, psta->hwaddr,
1388 pmlmepriv->num_sta_no_ht);
1389 }
1390 }
1391
1392 if (rtw_ht_operation_update(padapter) > 0) {
1393 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1394 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1395 }
1396
1397 /* update associated stations cap. */
1398 associated_clients_update23a(padapter, beacon_updated);
1399
1400 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1401 }
1402
1403 u8 bss_cap_update_on_sta_leave23a(struct rtw_adapter *padapter, struct sta_info *psta)
1404 {
1405 u8 beacon_updated = false;
1406 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1407 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1408
1409 if (!psta)
1410 return beacon_updated;
1411
1412 if (psta->no_short_preamble_set) {
1413 psta->no_short_preamble_set = 0;
1414 pmlmepriv->num_sta_no_short_preamble--;
1415 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1416 && pmlmepriv->num_sta_no_short_preamble == 0) {
1417 beacon_updated = true;
1418 update_beacon23a(padapter, 0xFF, NULL, true);
1419 }
1420 }
1421
1422 if (psta->nonerp_set) {
1423 psta->nonerp_set = 0;
1424 pmlmepriv->num_sta_non_erp--;
1425 if (pmlmepriv->num_sta_non_erp == 0) {
1426 beacon_updated = true;
1427 update_beacon23a(padapter, WLAN_EID_ERP_INFO,
1428 NULL, true);
1429 }
1430 }
1431
1432 if (psta->no_short_slot_time_set) {
1433 psta->no_short_slot_time_set = 0;
1434 pmlmepriv->num_sta_no_short_slot_time--;
1435 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1436 && pmlmepriv->num_sta_no_short_slot_time == 0) {
1437 beacon_updated = true;
1438 update_beacon23a(padapter, 0xFF, NULL, true);
1439 }
1440 }
1441
1442 if (psta->no_ht_gf_set) {
1443 psta->no_ht_gf_set = 0;
1444 pmlmepriv->num_sta_ht_no_gf--;
1445 }
1446
1447 if (psta->no_ht_set) {
1448 psta->no_ht_set = 0;
1449 pmlmepriv->num_sta_no_ht--;
1450 }
1451
1452 if (psta->ht_20mhz_set) {
1453 psta->ht_20mhz_set = 0;
1454 pmlmepriv->num_sta_ht_20mhz--;
1455 }
1456
1457 if (rtw_ht_operation_update(padapter) > 0) {
1458 update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1459 update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1460 }
1461
1462 /* update associated stations cap. */
1463
1464 DBG_8723A("%s, updated =%d\n", __func__, beacon_updated);
1465
1466 return beacon_updated;
1467 }
1468
1469 u8 ap_free_sta23a(struct rtw_adapter *padapter, struct sta_info *psta, bool active, u16 reason)
1470 {
1471 struct sta_priv *pstapriv = &padapter->stapriv;
1472 u8 beacon_updated = false;
1473
1474 if (!psta)
1475 return beacon_updated;
1476
1477 if (active) {
1478 /* tear down Rx AMPDU */
1479 send_delba23a(padapter, 0, psta->hwaddr); /* recipient */
1480
1481 /* tear down TX AMPDU */
1482 send_delba23a(padapter, 1, psta->hwaddr); /* originator */
1483
1484 issue_deauth23a(padapter, psta->hwaddr, reason);
1485 }
1486
1487 psta->htpriv.agg_enable_bitmap = 0x0; /* reset */
1488 psta->htpriv.candidate_tid_bitmap = 0x0; /* reset */
1489
1490 /* report_del_sta_event23a(padapter, psta->hwaddr, reason); */
1491
1492 /* clear cam entry / key */
1493 /* clear_cam_entry23a(padapter, (psta->mac_id + 3)); */
1494 rtw_clearstakey_cmd23a(padapter, (u8 *)psta, (u8)(psta->mac_id + 3),
1495 true);
1496
1497 spin_lock_bh(&psta->lock);
1498 psta->state &= ~_FW_LINKED;
1499 spin_unlock_bh(&psta->lock);
1500
1501 rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1502
1503 report_del_sta_event23a(padapter, psta->hwaddr, reason);
1504
1505 beacon_updated = bss_cap_update_on_sta_leave23a(padapter, psta);
1506
1507 spin_lock_bh(&pstapriv->sta_hash_lock);
1508 rtw_free_stainfo23a(padapter, psta);
1509 spin_unlock_bh(&pstapriv->sta_hash_lock);
1510
1511 return beacon_updated;
1512 }
1513
1514 int rtw_sta_flush23a(struct rtw_adapter *padapter)
1515 {
1516 struct list_head *phead;
1517 struct sta_info *psta, *ptmp;
1518 struct sta_priv *pstapriv = &padapter->stapriv;
1519 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1520 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1521 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1522 u8 chk_alive_num = 0;
1523 struct sta_info *chk_alive_list[NUM_STA];
1524 int i;
1525
1526 DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name);
1527
1528 if ((pmlmeinfo->state&0x03) != MSR_AP)
1529 return 0;
1530
1531 spin_lock_bh(&pstapriv->asoc_list_lock);
1532 phead = &pstapriv->asoc_list;
1533 list_for_each_entry_safe(psta, ptmp, phead, asoc_list) {
1534 /* Remove sta from asoc_list */
1535 list_del_init(&psta->asoc_list);
1536 pstapriv->asoc_list_cnt--;
1537
1538 /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */
1539 chk_alive_list[chk_alive_num++] = psta;
1540 }
1541 spin_unlock_bh(&pstapriv->asoc_list_lock);
1542
1543 /* For each sta in chk_alive_list, call ap_free_sta23a */
1544 for (i = 0; i < chk_alive_num; i++)
1545 ap_free_sta23a(padapter, chk_alive_list[i], true,
1546 WLAN_REASON_DEAUTH_LEAVING);
1547
1548 issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1549
1550 associated_clients_update23a(padapter, true);
1551
1552 return 0;
1553 }
1554
1555 /* called > TSR LEVEL for USB or SDIO Interface */
1556 void sta_info_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1557 {
1558 int flags = psta->flags;
1559 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1560
1561 /* update wmm cap. */
1562 if (WLAN_STA_WME&flags)
1563 psta->qos_option = 1;
1564 else
1565 psta->qos_option = 0;
1566
1567 if (pmlmepriv->qos_option == 0)
1568 psta->qos_option = 0;
1569
1570 /* update 802.11n ht cap. */
1571 if (WLAN_STA_HT&flags) {
1572 psta->htpriv.ht_option = true;
1573 psta->qos_option = 1;
1574 } else {
1575 psta->htpriv.ht_option = false;
1576 }
1577
1578 if (!pmlmepriv->htpriv.ht_option)
1579 psta->htpriv.ht_option = false;
1580
1581 update_sta_info23a_apmode23a(padapter, psta);
1582 }
1583
1584 /* called >= TSR LEVEL for USB or SDIO Interface */
1585 void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta)
1586 {
1587 if (psta->state & _FW_LINKED) {
1588 /* add ratid */
1589 add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */
1590 }
1591 }
1592
1593 /* restore hw setting from sw data structures */
1594 void rtw_ap_restore_network(struct rtw_adapter *padapter)
1595 {
1596 struct mlme_priv *mlmepriv = &padapter->mlmepriv;
1597 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1598 struct sta_priv *pstapriv = &padapter->stapriv;
1599 struct sta_info *psta, *ptmp;
1600 struct security_priv *psecuritypriv = &padapter->securitypriv;
1601 struct list_head *phead;
1602 u8 chk_alive_num = 0;
1603 struct sta_info *chk_alive_list[NUM_STA];
1604 int i;
1605
1606 rtw_setopmode_cmd23a(padapter, NL80211_IFTYPE_AP);
1607
1608 set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode);
1609
1610 start_bss_network(padapter, (u8 *)&mlmepriv->cur_network.network);
1611
1612 if (padapter->securitypriv.dot11PrivacyAlgrthm ==
1613 WLAN_CIPHER_SUITE_TKIP ||
1614 padapter->securitypriv.dot11PrivacyAlgrthm ==
1615 WLAN_CIPHER_SUITE_CCMP) {
1616 /* restore group key, WEP keys is restored in ips_leave23a() */
1617 rtw_set_key23a(padapter, psecuritypriv,
1618 psecuritypriv->dot118021XGrpKeyid, 0);
1619 }
1620
1621 /* per sta pairwise key and settings */
1622 if (padapter->securitypriv.dot11PrivacyAlgrthm !=
1623 WLAN_CIPHER_SUITE_TKIP &&
1624 padapter->securitypriv.dot11PrivacyAlgrthm !=
1625 WLAN_CIPHER_SUITE_CCMP) {
1626 return;
1627 }
1628
1629 spin_lock_bh(&pstapriv->asoc_list_lock);
1630 phead = &pstapriv->asoc_list;
1631 list_for_each_entry_safe(psta, ptmp, phead, asoc_list)
1632 chk_alive_list[chk_alive_num++] = psta;
1633 spin_unlock_bh(&pstapriv->asoc_list_lock);
1634
1635 for (i = 0; i < chk_alive_num; i++) {
1636 psta = chk_alive_list[i];
1637
1638 if (psta->state & _FW_LINKED) {
1639 Update_RA_Entry23a(padapter, psta);
1640 /* pairwise key */
1641 rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true);
1642 }
1643 }
1644 }
1645
1646 void start_ap_mode23a(struct rtw_adapter *padapter)
1647 {
1648 int i;
1649 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1650 struct sta_priv *pstapriv = &padapter->stapriv;
1651 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1652 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1653
1654 pmlmepriv->update_bcn = false;
1655
1656 /* init_mlme_ap_info23a(padapter); */
1657 pmlmeext->bstart_bss = false;
1658
1659 pmlmepriv->num_sta_non_erp = 0;
1660
1661 pmlmepriv->num_sta_no_short_slot_time = 0;
1662
1663 pmlmepriv->num_sta_no_short_preamble = 0;
1664
1665 pmlmepriv->num_sta_ht_no_gf = 0;
1666 pmlmepriv->num_sta_no_ht = 0;
1667 pmlmepriv->num_sta_ht_20mhz = 0;
1668
1669 pmlmepriv->olbc = false;
1670
1671 pmlmepriv->olbc_ht = false;
1672
1673 pmlmepriv->ht_op_mode = 0;
1674
1675 for (i = 0; i < NUM_STA; i++)
1676 pstapriv->sta_aid[i] = NULL;
1677
1678 /* for ACL */
1679 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1680 pacl_list->num = 0;
1681 pacl_list->mode = 0;
1682 for (i = 0; i < NUM_ACL; i++) {
1683 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1684 pacl_list->aclnode[i].valid = false;
1685 }
1686 }
1687
1688 void stop_ap_mode23a(struct rtw_adapter *padapter)
1689 {
1690 struct list_head *phead;
1691 struct rtw_wlan_acl_node *paclnode, *ptmp;
1692 struct sta_info *psta = NULL;
1693 struct sta_priv *pstapriv = &padapter->stapriv;
1694 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1695 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1696 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1697 struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q;
1698
1699 pmlmepriv->update_bcn = false;
1700 pmlmeext->bstart_bss = false;
1701
1702 /*
1703 * reset and init security priv , this can
1704 * refine with rtw_reset_securitypriv23a
1705 */
1706 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1707 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1708 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1709
1710 /* for ACL */
1711 spin_lock_bh(&pacl_node_q->lock);
1712 phead = get_list_head(pacl_node_q);
1713 list_for_each_entry_safe(paclnode, ptmp, phead, list) {
1714 if (paclnode->valid == true) {
1715 paclnode->valid = false;
1716 list_del_init(&paclnode->list);
1717 pacl_list->num--;
1718 }
1719 }
1720 spin_unlock_bh(&pacl_node_q->lock);
1721
1722 DBG_8723A("%s, free acl_node_queue, num =%d\n",
1723 __func__, pacl_list->num);
1724
1725 rtw_sta_flush23a(padapter);
1726
1727 /* free_assoc_sta_resources */
1728 rtw_free_all_stainfo23a(padapter);
1729
1730 psta = rtw_get_bcmc_stainfo23a(padapter);
1731 spin_lock_bh(&pstapriv->sta_hash_lock);
1732 rtw_free_stainfo23a(padapter, psta);
1733 spin_unlock_bh(&pstapriv->sta_hash_lock);
1734
1735 rtw_init_bcmc_stainfo23a(padapter);
1736
1737 rtw23a_free_mlme_priv_ie_data(pmlmepriv);
1738 }
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