GNU Linux-libre 6.8.7-gnu
[releases.git] / drivers / staging / rtl8723bs / core / rtw_ap.c
1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7
8 #include <drv_types.h>
9 #include <rtw_debug.h>
10 #include <asm/unaligned.h>
11
12 void init_mlme_ap_info(struct adapter *padapter)
13 {
14         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
15         struct sta_priv *pstapriv = &padapter->stapriv;
16         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
17
18         spin_lock_init(&pmlmepriv->bcn_update_lock);
19
20         /* for ACL */
21         INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
22         spin_lock_init(&pacl_list->acl_node_q.lock);
23
24         /* pmlmeext->bstart_bss = false; */
25
26         start_ap_mode(padapter);
27 }
28
29 void free_mlme_ap_info(struct adapter *padapter)
30 {
31         struct sta_info *psta = NULL;
32         struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
33         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
34         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
35
36         /* stop_ap_mode(padapter); */
37
38         pmlmepriv->update_bcn = false;
39         pmlmeext->bstart_bss = false;
40
41         rtw_sta_flush(padapter);
42
43         pmlmeinfo->state = _HW_STATE_NOLINK_;
44
45         /* free_assoc_sta_resources */
46         rtw_free_all_stainfo(padapter);
47
48         /* free bc/mc sta_info */
49         psta = rtw_get_bcmc_stainfo(padapter);
50         rtw_free_stainfo(padapter, psta);
51 }
52
53 static void update_BCNTIM(struct adapter *padapter)
54 {
55         struct sta_priv *pstapriv = &padapter->stapriv;
56         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
57         struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
58         struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
59         unsigned char *pie = pnetwork_mlmeext->ies;
60
61         /* update TIM IE */
62         u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
63         __le16 tim_bitmap_le;
64         uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
65
66         tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
67
68         p = rtw_get_ie(pie + _FIXED_IE_LENGTH_,
69                        WLAN_EID_TIM,
70                        &tim_ielen,
71                        pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_
72         );
73         if (p && tim_ielen > 0) {
74                 tim_ielen += 2;
75
76                 premainder_ie = p + tim_ielen;
77
78                 tim_ie_offset = (signed int)(p - pie);
79
80                 remainder_ielen = pnetwork_mlmeext->ie_length - tim_ie_offset - tim_ielen;
81
82                 /* append TIM IE from dst_ie offset */
83                 dst_ie = p;
84         } else {
85                 tim_ielen = 0;
86
87                 /* calculate head_len */
88                 offset = _FIXED_IE_LENGTH_;
89
90                 /* get ssid_ie len */
91                 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
92                                WLAN_EID_SSID,
93                                &tmp_len,
94                                (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_)
95                 );
96                 if (p)
97                         offset += tmp_len + 2;
98
99                 /*  get supported rates len */
100                 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
101                                WLAN_EID_SUPP_RATES, &tmp_len,
102                                (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_)
103                 );
104                 if (p)
105                         offset += tmp_len + 2;
106
107                 /* DS Parameter Set IE, len =3 */
108                 offset += 3;
109
110                 premainder_ie = pie + offset;
111
112                 remainder_ielen = pnetwork_mlmeext->ie_length - offset - tim_ielen;
113
114                 /* append TIM IE from offset */
115                 dst_ie = pie + offset;
116         }
117
118         if (remainder_ielen > 0) {
119                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
120                 if (pbackup_remainder_ie && premainder_ie)
121                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
122         }
123
124         *dst_ie++ = WLAN_EID_TIM;
125
126         if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fe))
127                 tim_ielen = 5;
128         else
129                 tim_ielen = 4;
130
131         *dst_ie++ = tim_ielen;
132
133         *dst_ie++ = 0;/* DTIM count */
134         *dst_ie++ = 1;/* DTIM period */
135
136         if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
137                 *dst_ie++ = BIT(0);/* bitmap ctrl */
138         else
139                 *dst_ie++ = 0;
140
141         if (tim_ielen == 4) {
142                 __le16 pvb;
143
144                 if (pstapriv->tim_bitmap & 0xff00)
145                         pvb = cpu_to_le16(pstapriv->tim_bitmap >> 8);
146                 else
147                         pvb = tim_bitmap_le;
148
149                 *dst_ie++ = le16_to_cpu(pvb);
150
151         } else if (tim_ielen == 5) {
152                 memcpy(dst_ie, &tim_bitmap_le, 2);
153                 dst_ie += 2;
154         }
155
156         /* copy remainder IE */
157         if (pbackup_remainder_ie) {
158                 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
159
160                 kfree(pbackup_remainder_ie);
161         }
162
163         offset =  (uint)(dst_ie - pie);
164         pnetwork_mlmeext->ie_length = offset + remainder_ielen;
165 }
166
167 static u8 chk_sta_is_alive(struct sta_info *psta)
168 {
169         sta_update_last_rx_pkts(psta);
170
171         return true;
172 }
173
174 void expire_timeout_chk(struct adapter *padapter)
175 {
176         struct list_head *phead, *plist, *tmp;
177         u8 updated = false;
178         struct sta_info *psta = NULL;
179         struct sta_priv *pstapriv = &padapter->stapriv;
180         u8 chk_alive_num = 0;
181         char chk_alive_list[NUM_STA];
182         int i;
183
184         spin_lock_bh(&pstapriv->auth_list_lock);
185
186         phead = &pstapriv->auth_list;
187         /* check auth_queue */
188         list_for_each_safe(plist, tmp, phead) {
189                 psta = list_entry(plist, struct sta_info, auth_list);
190
191                 if (psta->expire_to > 0) {
192                         psta->expire_to--;
193                         if (psta->expire_to == 0) {
194                                 list_del_init(&psta->auth_list);
195                                 pstapriv->auth_list_cnt--;
196
197                                 spin_unlock_bh(&pstapriv->auth_list_lock);
198
199                                 rtw_free_stainfo(padapter, psta);
200
201                                 spin_lock_bh(&pstapriv->auth_list_lock);
202                         }
203                 }
204         }
205
206         spin_unlock_bh(&pstapriv->auth_list_lock);
207         psta = NULL;
208
209         spin_lock_bh(&pstapriv->asoc_list_lock);
210
211         phead = &pstapriv->asoc_list;
212         /* check asoc_queue */
213         list_for_each_safe(plist, tmp, phead) {
214                 psta = list_entry(plist, struct sta_info, asoc_list);
215                 if (chk_sta_is_alive(psta) || !psta->expire_to) {
216                         psta->expire_to = pstapriv->expire_to;
217                         psta->keep_alive_trycnt = 0;
218                         psta->under_exist_checking = 0;
219                 } else {
220                         if (psta->expire_to > 0)
221                                 psta->expire_to--;
222                 }
223
224                 if (psta->expire_to == 0) {
225                         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
226
227                         if (padapter->registrypriv.wifi_spec == 1) {
228                                 psta->expire_to = pstapriv->expire_to;
229                                 continue;
230                         }
231
232                         if (psta->state & WIFI_SLEEP_STATE) {
233                                 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
234                                         /* to check if alive by another methods */
235                                         /* if station is at ps mode. */
236                                         psta->expire_to = pstapriv->expire_to;
237                                         psta->state |= WIFI_STA_ALIVE_CHK_STATE;
238
239                                         /* to update bcn with tim_bitmap for this station */
240                                         pstapriv->tim_bitmap |= BIT(psta->aid);
241                                         update_beacon(padapter, WLAN_EID_TIM, NULL, true);
242
243                                         if (!pmlmeext->active_keep_alive_check)
244                                                 continue;
245                                 }
246                         }
247                         if (pmlmeext->active_keep_alive_check) {
248                                 int stainfo_offset;
249
250                                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
251                                 if (stainfo_offset_valid(stainfo_offset))
252                                         chk_alive_list[chk_alive_num++] = stainfo_offset;
253
254                                 continue;
255                         }
256                         list_del_init(&psta->asoc_list);
257                         pstapriv->asoc_list_cnt--;
258                         updated = ap_free_sta(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
259                 } else {
260                         /* TODO: Aging mechanism to digest frames in sleep_q to */
261                         /* avoid running out of xmitframe */
262                         if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt)
263                                 && padapter->xmitpriv.free_xmitframe_cnt < ((
264                                         NR_XMITFRAME / pstapriv->asoc_list_cnt
265                                 ) / 2)
266                         )
267                                 wakeup_sta_to_xmit(padapter, psta);
268                 }
269         }
270
271         spin_unlock_bh(&pstapriv->asoc_list_lock);
272
273         if (chk_alive_num) {
274                 u8 backup_oper_channel = 0;
275                 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
276
277                 /* switch to correct channel of current network  before issue keep-alive frames */
278                 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
279                         backup_oper_channel = rtw_get_oper_ch(padapter);
280                         SelectChannel(padapter, pmlmeext->cur_channel);
281                 }
282
283                 /* issue null data to check sta alive*/
284                 for (i = 0; i < chk_alive_num; i++) {
285                         int ret = _FAIL;
286
287                         psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
288                         if (!(psta->state & _FW_LINKED))
289                                 continue;
290
291                         if (psta->state & WIFI_SLEEP_STATE)
292                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
293                         else
294                                 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
295
296                         psta->keep_alive_trycnt++;
297                         if (ret == _SUCCESS) {
298                                 psta->expire_to = pstapriv->expire_to;
299                                 psta->keep_alive_trycnt = 0;
300                                 continue;
301                         } else if (psta->keep_alive_trycnt <= 3) {
302                                 psta->expire_to = 1;
303                                 continue;
304                         }
305
306                         psta->keep_alive_trycnt = 0;
307                         spin_lock_bh(&pstapriv->asoc_list_lock);
308                         if (list_empty(&psta->asoc_list) == false) {
309                                 list_del_init(&psta->asoc_list);
310                                 pstapriv->asoc_list_cnt--;
311                                 updated = ap_free_sta(padapter, psta, false,
312                                                       WLAN_REASON_DEAUTH_LEAVING);
313                         }
314                         spin_unlock_bh(&pstapriv->asoc_list_lock);
315                 }
316
317                 if (backup_oper_channel > 0) /* back to the original operation channel */
318                         SelectChannel(padapter, backup_oper_channel);
319         }
320
321         associated_clients_update(padapter, updated);
322 }
323
324 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
325 {
326         unsigned char sta_band = 0, shortGIrate = false;
327         unsigned int tx_ra_bitmap = 0;
328         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
329         struct wlan_bssid_ex
330                 *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
331
332         if (!psta)
333                 return;
334
335         if (!(psta->state & _FW_LINKED))
336                 return;
337
338         rtw_hal_update_sta_rate_mask(padapter, psta);
339         tx_ra_bitmap = psta->ra_mask;
340
341         shortGIrate = query_ra_short_GI(psta);
342
343         if (pcur_network->configuration.ds_config > 14) {
344                 sta_band |= WIRELESS_INVALID;
345         } else {
346                 if (tx_ra_bitmap & 0xffff000)
347                         sta_band |= WIRELESS_11_24N;
348
349                 if (tx_ra_bitmap & 0xff0)
350                         sta_band |= WIRELESS_11G;
351
352                 if (tx_ra_bitmap & 0x0f)
353                         sta_band |= WIRELESS_11B;
354         }
355
356         psta->wireless_mode = sta_band;
357         psta->raid = networktype_to_raid_ex(padapter, psta);
358
359         if (psta->aid < NUM_STA) {
360                 u8 arg[4] = {0};
361
362                 arg[0] = psta->mac_id;
363                 arg[1] = psta->raid;
364                 arg[2] = shortGIrate;
365                 arg[3] = psta->init_rate;
366
367                 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
368         }
369 }
370
371 void update_bmc_sta(struct adapter *padapter)
372 {
373         unsigned char network_type;
374         int supportRateNum = 0;
375         unsigned int tx_ra_bitmap = 0;
376         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
377         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
378         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
379         struct wlan_bssid_ex
380                 *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
381         struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
382
383         if (psta) {
384                 psta->aid = 0;/* default set to 0 */
385                 /* psta->mac_id = psta->aid+4; */
386                 psta->mac_id = psta->aid + 1;/* mac_id = 1 for bc/mc stainfo */
387
388                 pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
389
390                 psta->qos_option = 0;
391                 psta->htpriv.ht_option = false;
392
393                 psta->ieee8021x_blocked = 0;
394
395                 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
396
397                 /* psta->dot118021XPrivacy = _NO_PRIVACY_;//!!! remove it, because it has been set before this. */
398
399                 /* prepare for add_RATid */
400                 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->supported_rates);
401                 network_type = rtw_check_network_type((u8 *)&pcur_network->supported_rates,
402                                                       supportRateNum,
403                                                       pcur_network->configuration.ds_config
404                 );
405                 if (is_supported_tx_cck(network_type)) {
406                         network_type = WIRELESS_11B;
407                 } else if (network_type == WIRELESS_INVALID) { /*  error handling */
408
409                         if (pcur_network->configuration.ds_config > 14)
410                                 network_type = WIRELESS_INVALID;
411                         else
412                                 network_type = WIRELESS_11B;
413                 }
414                 update_sta_basic_rate(psta, network_type);
415                 psta->wireless_mode = network_type;
416
417                 rtw_hal_update_sta_rate_mask(padapter, psta);
418                 tx_ra_bitmap = psta->ra_mask;
419
420                 psta->raid = networktype_to_raid_ex(padapter, psta);
421
422                 /* ap mode */
423                 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
424
425                 /* if (pHalData->fw_ractrl == true) */
426                 {
427                         u8 arg[4] = {0};
428
429                         arg[0] = psta->mac_id;
430                         arg[1] = psta->raid;
431                         arg[2] = 0;
432                         arg[3] = psta->init_rate;
433
434                         rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
435                 }
436
437                 rtw_sta_media_status_rpt(padapter, psta, 1);
438
439                 spin_lock_bh(&psta->lock);
440                 psta->state = _FW_LINKED;
441                 spin_unlock_bh(&psta->lock);
442
443         }
444 }
445
446 /* notes: */
447 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
448 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
449 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
450 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
451 /* CAM_ID = 0~3 for default key, cmd_id =macid + 3, macid =aid+1; */
452
453 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
454 {
455         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
456         struct security_priv *psecuritypriv = &padapter->securitypriv;
457         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
458         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
459         struct ht_priv *phtpriv_sta = &psta->htpriv;
460         u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, cur_beamform_cap = 0;
461         /* set intf_tag to if1 */
462         /* psta->intf_tag = 0; */
463
464         /* psta->mac_id = psta->aid+4; */
465         /* psta->mac_id = psta->aid+1;//alloc macid when call rtw_alloc_stainfo(), */
466         /* release macid when call rtw_free_stainfo() */
467
468         /* ap mode */
469         rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
470
471         if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
472                 psta->ieee8021x_blocked = true;
473         else
474                 psta->ieee8021x_blocked = false;
475
476         /* update sta's cap */
477
478         /* ERP */
479         VCS_update(padapter, psta);
480
481         /* HT related cap */
482         if (phtpriv_sta->ht_option) {
483                 /* check if sta supports rx ampdu */
484                 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
485
486                 phtpriv_sta->rx_ampdu_min_spacing = (
487                         phtpriv_sta->ht_cap.ampdu_params_info & IEEE80211_HT_CAP_AMPDU_DENSITY
488                 ) >> 2;
489
490                 /*  bwmode */
491                 if ((
492                         phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
493                 ) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH))
494                         psta->bw_mode = CHANNEL_WIDTH_40;
495                 else
496                         psta->bw_mode = CHANNEL_WIDTH_20;
497
498                 if (pmlmeext->cur_bwmode < psta->bw_mode)
499                         psta->bw_mode = pmlmeext->cur_bwmode;
500
501                 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
502
503                 /* check if sta support s Short GI 20M */
504                 if ((
505                         phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
506                 ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
507                         phtpriv_sta->sgi_20m = true;
508
509                 /* check if sta support s Short GI 40M */
510                 if ((
511                         phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
512                 ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40)) {
513                         if (psta->bw_mode == CHANNEL_WIDTH_40) /* according to psta->bw_mode */
514                                 phtpriv_sta->sgi_40m = true;
515                         else
516                                 phtpriv_sta->sgi_40m = false;
517                 }
518
519                 psta->qos_option = true;
520
521                 /*  B0 Config LDPC Coding Capability */
522                 if (TEST_FLAG(phtpriv_ap->ldpc_cap, LDPC_HT_ENABLE_TX) &&
523                     GET_HT_CAPABILITY_ELE_LDPC_CAP((u8 *)(&phtpriv_sta->ht_cap)))
524                         SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
525
526                 /*  B7 B8 B9 Config STBC setting */
527                 if (TEST_FLAG(phtpriv_ap->stbc_cap, STBC_HT_ENABLE_TX) &&
528                     GET_HT_CAPABILITY_ELE_RX_STBC((u8 *)(&phtpriv_sta->ht_cap)))
529                         SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
530         } else {
531                 phtpriv_sta->ampdu_enable = false;
532
533                 phtpriv_sta->sgi_20m = false;
534                 phtpriv_sta->sgi_40m = false;
535                 psta->bw_mode = CHANNEL_WIDTH_20;
536                 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
537         }
538
539         phtpriv_sta->ldpc_cap = cur_ldpc_cap;
540         phtpriv_sta->stbc_cap = cur_stbc_cap;
541         phtpriv_sta->beamform_cap = cur_beamform_cap;
542
543         /* Rx AMPDU */
544         send_delba(padapter, 0, psta->hwaddr);/*  recipient */
545
546         /* TX AMPDU */
547         send_delba(padapter, 1, psta->hwaddr);/* originator */
548         phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
549         phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
550
551         update_ldpc_stbc_cap(psta);
552
553         /* todo: init other variables */
554
555         memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
556
557         /* add ratid */
558         /* add_RATid(padapter, psta);//move to ap_sta_info_defer_update() */
559
560         spin_lock_bh(&psta->lock);
561         psta->state |= _FW_LINKED;
562         spin_unlock_bh(&psta->lock);
563 }
564
565 static void update_ap_info(struct adapter *padapter, struct sta_info *psta)
566 {
567         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
568         struct wlan_bssid_ex
569                 *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
570         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
571         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
572
573         psta->wireless_mode = pmlmeext->cur_wireless_mode;
574
575         psta->bssratelen = rtw_get_rateset_len(pnetwork->supported_rates);
576         memcpy(psta->bssrateset, pnetwork->supported_rates, psta->bssratelen);
577
578         /* HT related cap */
579         if (phtpriv_ap->ht_option) {
580                 /* check if sta supports rx ampdu */
581                 /* phtpriv_ap->ampdu_enable = phtpriv_ap->ampdu_enable; */
582
583                 /* check if sta support s Short GI 20M */
584                 if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
585                         phtpriv_ap->sgi_20m = true;
586
587                 /* check if sta support s Short GI 40M */
588                 if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40))
589                         phtpriv_ap->sgi_40m = true;
590
591                 psta->qos_option = true;
592         } else {
593                 phtpriv_ap->ampdu_enable = false;
594
595                 phtpriv_ap->sgi_20m = false;
596                 phtpriv_ap->sgi_40m = false;
597         }
598
599         psta->bw_mode = pmlmeext->cur_bwmode;
600         phtpriv_ap->ch_offset = pmlmeext->cur_ch_offset;
601
602         phtpriv_ap->agg_enable_bitmap = 0x0;/* reset */
603         phtpriv_ap->candidate_tid_bitmap = 0x0;/* reset */
604
605         memcpy(&psta->htpriv, &pmlmepriv->htpriv, sizeof(struct ht_priv));
606 }
607
608 static void update_hw_ht_param(struct adapter *padapter)
609 {
610         unsigned char max_AMPDU_len;
611         unsigned char min_MPDU_spacing;
612         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
613         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
614
615         /* handle A-MPDU parameter field
616          *
617          *      AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
618          *      AMPDU_para [4:2]:Min MPDU Start Spacing
619          */
620         max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
621
622         min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
623
624         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
625
626         rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
627
628         /*  */
629         /*  Config SM Power Save setting */
630         /*  */
631         pmlmeinfo->SM_PS = (le16_to_cpu(
632                 pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info
633         ) & 0x0C) >> 2;
634
635         /*  */
636         /*  Config current HT Protection mode. */
637         /*  */
638         /* pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; */
639 }
640
641 void start_bss_network(struct adapter *padapter)
642 {
643         u8 *p;
644         u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
645         u16 bcn_interval;
646         u32 acparm;
647         int     ie_len;
648         struct registry_priv  *pregpriv = &padapter->registrypriv;
649         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
650         struct security_priv *psecuritypriv = &(padapter->securitypriv);
651         struct wlan_bssid_ex
652                 *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
653         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
654         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
655         struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
656         struct HT_info_element *pht_info = NULL;
657         u8 cbw40_enable = 0;
658
659         bcn_interval = (u16)pnetwork->configuration.beacon_period;
660         cur_channel = pnetwork->configuration.ds_config;
661         cur_bwmode = CHANNEL_WIDTH_20;
662         cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
663
664         /* check if there is wps ie, */
665         /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
666         /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
667         if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_,
668                             pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
669                 pmlmeext->bstart_bss = true;
670
671         /* todo: update wmm, ht cap */
672         /* pmlmeinfo->WMM_enable; */
673         /* pmlmeinfo->HT_enable; */
674         if (pmlmepriv->qospriv.qos_option)
675                 pmlmeinfo->WMM_enable = true;
676         if (pmlmepriv->htpriv.ht_option) {
677                 pmlmeinfo->WMM_enable = true;
678                 pmlmeinfo->HT_enable = true;
679                 /* pmlmeinfo->HT_info_enable = true; */
680                 /* pmlmeinfo->HT_caps_enable = true; */
681
682                 update_hw_ht_param(padapter);
683         }
684
685         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
686
687                 /* WEP Key will be set before this function, do not clear CAM. */
688                 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
689                     (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
690                         flush_all_cam_entry(padapter);  /* clear CAM */
691         }
692
693         /* set MSR to AP_Mode */
694         Set_MSR(padapter, _HW_STATE_AP_);
695
696         /* Set BSSID REG */
697         rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->mac_address);
698
699         /* Set EDCA param reg */
700         acparm = 0x002F3217; /*  VO */
701         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
702         acparm = 0x005E4317; /*  VI */
703         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
704         /* acparm = 0x00105320; // BE */
705         acparm = 0x005ea42b;
706         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
707         acparm = 0x0000A444; /*  BK */
708         rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
709
710         /* Set Security */
711         val8 = (
712                 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X
713         ) ? 0xcc : 0xcf;
714         rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
715
716         /* Beacon Control related register */
717         rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
718
719         rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
720
721         if (!pmlmepriv->cur_network.join_res) { /* setting only at  first time */
722                 /* u32 initialgain; */
723
724                 /* initialgain = 0x1e; */
725
726                 /* disable dynamic functions, such as high power, DIG */
727                 /* Save_DM_Func_Flag(padapter); */
728                 /* Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); */
729
730                 /* turn on all dynamic functions */
731                 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
732
733                 /* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
734         }
735
736         /* set channel, bwmode */
737         p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fix_ie)),
738                        WLAN_EID_HT_OPERATION,
739                        &ie_len,
740                        (pnetwork->ie_length - sizeof(struct ndis_802_11_fix_ie))
741         );
742         if (p && ie_len) {
743                 pht_info = (struct HT_info_element *)(p + 2);
744
745                 if (cur_channel > 14) {
746                         if ((pregpriv->bw_mode & 0xf0) > 0)
747                                 cbw40_enable = 1;
748                 } else {
749                         if ((pregpriv->bw_mode & 0x0f) > 0)
750                                 cbw40_enable = 1;
751                 }
752
753                 if ((cbw40_enable) &&    (pht_info->infos[0] & BIT(2))) {
754                         /* switch to the 40M Hz mode */
755                         /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
756                         cur_bwmode = CHANNEL_WIDTH_40;
757                         switch (pht_info->infos[0] & 0x3) {
758                         case 1:
759                                 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */
760                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
761                                 break;
762
763                         case 3:
764                                 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; */
765                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
766                                 break;
767
768                         default:
769                                 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; */
770                                 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
771                                 break;
772                         }
773                 }
774         }
775
776         set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
777         pmlmeext->cur_channel = cur_channel;
778         pmlmeext->cur_bwmode = cur_bwmode;
779         pmlmeext->cur_ch_offset = cur_ch_offset;
780         pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
781
782         /* let pnetwork_mlmeext == pnetwork_mlme. */
783         memcpy(pnetwork_mlmeext, pnetwork, pnetwork->length);
784
785         /* update cur_wireless_mode */
786         update_wireless_mode(padapter);
787
788         /* update RRSR after set channel and bandwidth */
789         UpdateBrateTbl(padapter, pnetwork->supported_rates);
790         rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->supported_rates);
791
792         /* update capability after cur_wireless_mode updated */
793         update_capinfo(
794                 padapter,
795                 rtw_get_capability((struct wlan_bssid_ex *)pnetwork)
796         );
797
798         if (pmlmeext->bstart_bss) {
799                 update_beacon(padapter, WLAN_EID_TIM, NULL, true);
800
801                 /* issue beacon frame */
802                 send_beacon(padapter);
803         }
804
805         /* update bc/mc sta_info */
806         update_bmc_sta(padapter);
807
808         /* pmlmeext->bstart_bss = true; */
809 }
810
811 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
812 {
813         int ret = _SUCCESS;
814         u8 *p;
815         u8 *pHT_caps_ie = NULL;
816         u8 *pHT_info_ie = NULL;
817         struct sta_info *psta = NULL;
818         u16 cap, ht_cap = false;
819         uint ie_len = 0;
820         int group_cipher, pairwise_cipher;
821         u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
822         int supportRateNum = 0;
823         u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
824         u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
825         struct registry_priv *pregistrypriv = &padapter->registrypriv;
826         struct security_priv *psecuritypriv = &padapter->securitypriv;
827         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
828         struct wlan_bssid_ex
829                 *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
830         u8 *ie = pbss_network->ies;
831
832         if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
833                 return _FAIL;
834
835         if (len < 0 || len > MAX_IE_SZ)
836                 return _FAIL;
837
838         pbss_network->ie_length = len;
839
840         memset(ie, 0, MAX_IE_SZ);
841
842         memcpy(ie, pbuf, pbss_network->ie_length);
843
844         if (pbss_network->infrastructure_mode != Ndis802_11APMode)
845                 return _FAIL;
846
847         pbss_network->rssi = 0;
848
849         memcpy(pbss_network->mac_address, myid(&(padapter->eeprompriv)), ETH_ALEN);
850
851         /* beacon interval */
852         p = rtw_get_beacon_interval_from_ie(ie);/* ie + 8;      8: TimeStamp, 2: Beacon Interval 2:Capability */
853         /* pbss_network->configuration.beacon_period = le16_to_cpu(*(unsigned short*)p); */
854         pbss_network->configuration.beacon_period = get_unaligned_le16(p);
855
856         /* capability */
857         /* cap = *(unsigned short *)rtw_get_capability_from_ie(ie); */
858         /* cap = le16_to_cpu(cap); */
859         cap = get_unaligned_le16(ie);
860
861         /* SSID */
862         p = rtw_get_ie(
863                 ie + _BEACON_IE_OFFSET_,
864                 WLAN_EID_SSID,
865                 &ie_len,
866                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
867         );
868         if (p && ie_len > 0) {
869                 memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid));
870                 memcpy(pbss_network->ssid.ssid, (p + 2), ie_len);
871                 pbss_network->ssid.ssid_length = ie_len;
872         }
873
874         /* channel */
875         channel = 0;
876         pbss_network->configuration.length = 0;
877         p = rtw_get_ie(
878                 ie + _BEACON_IE_OFFSET_,
879                 WLAN_EID_DS_PARAMS, &ie_len,
880                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
881         );
882         if (p && ie_len > 0)
883                 channel = *(p + 2);
884
885         pbss_network->configuration.ds_config = channel;
886
887         memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
888         /*  get supported rates */
889         p = rtw_get_ie(
890                 ie + _BEACON_IE_OFFSET_,
891                 WLAN_EID_SUPP_RATES,
892                 &ie_len,
893                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
894         );
895         if (p) {
896                 memcpy(supportRate, p + 2, ie_len);
897                 supportRateNum = ie_len;
898         }
899
900         /* get ext_supported rates */
901         p = rtw_get_ie(
902                 ie + _BEACON_IE_OFFSET_,
903                 WLAN_EID_EXT_SUPP_RATES,
904                 &ie_len,
905                 pbss_network->ie_length - _BEACON_IE_OFFSET_
906         );
907         if (p) {
908                 memcpy(supportRate + supportRateNum, p + 2, ie_len);
909                 supportRateNum += ie_len;
910         }
911
912         network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
913
914         rtw_set_supported_rate(pbss_network->supported_rates, network_type);
915
916         /* parsing ERP_IE */
917         p = rtw_get_ie(
918                 ie + _BEACON_IE_OFFSET_,
919                 WLAN_EID_ERP_INFO,
920                 &ie_len,
921                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
922         );
923         if (p && ie_len > 0)
924                 ERP_IE_handler(padapter, (struct ndis_80211_var_ie *)p);
925
926         /* update privacy/security */
927         if (cap & BIT(4))
928                 pbss_network->privacy = 1;
929         else
930                 pbss_network->privacy = 0;
931
932         psecuritypriv->wpa_psk = 0;
933
934         /* wpa2 */
935         group_cipher = 0; pairwise_cipher = 0;
936         psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
937         psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
938         p = rtw_get_ie(
939                 ie + _BEACON_IE_OFFSET_,
940                 WLAN_EID_RSN,
941                 &ie_len,
942                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
943         );
944         if (p && ie_len > 0) {
945                 if (rtw_parse_wpa2_ie(
946                         p,
947                         ie_len + 2,
948                         &group_cipher,
949                         &pairwise_cipher,
950                         NULL
951                 ) == _SUCCESS) {
952                         psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
953
954                         psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
955                         psecuritypriv->wpa_psk |= BIT(1);
956
957                         psecuritypriv->wpa2_group_cipher = group_cipher;
958                         psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
959                 }
960         }
961
962         /* wpa */
963         ie_len = 0;
964         group_cipher = 0; pairwise_cipher = 0;
965         psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
966         psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
967         for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
968                 p = rtw_get_ie(
969                         p,
970                         WLAN_EID_VENDOR_SPECIFIC,
971                         &ie_len,
972                         (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
973                 );
974                 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
975                         if (rtw_parse_wpa_ie(
976                                 p,
977                                 ie_len + 2,
978                                 &group_cipher,
979                                 &pairwise_cipher,
980                                 NULL
981                         ) == _SUCCESS) {
982                                 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
983
984                                 psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
985
986                                 psecuritypriv->wpa_psk |= BIT(0);
987
988                                 psecuritypriv->wpa_group_cipher = group_cipher;
989                                 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
990                         }
991
992                         break;
993                 }
994
995                 if (!p || ie_len == 0)
996                         break;
997         }
998
999         /* wmm */
1000         ie_len = 0;
1001         pmlmepriv->qospriv.qos_option = 0;
1002         if (pregistrypriv->wmm_enable) {
1003                 for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
1004                         p = rtw_get_ie(
1005                                 p,
1006                                 WLAN_EID_VENDOR_SPECIFIC,
1007                                 &ie_len,
1008                                 (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
1009                         );
1010                         if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1011                                 pmlmepriv->qospriv.qos_option = 1;
1012
1013                                 *(p + 8) |= BIT(7);/* QoS Info, support U-APSD */
1014
1015                                 /* disable all ACM bits since the WMM admission */
1016                                 /* control is not supported */
1017                                 *(p + 10) &= ~BIT(4); /* BE */
1018                                 *(p + 14) &= ~BIT(4); /* BK */
1019                                 *(p + 18) &= ~BIT(4); /* VI */
1020                                 *(p + 22) &= ~BIT(4); /* VO */
1021
1022                                 break;
1023                         }
1024
1025                         if (!p || ie_len == 0)
1026                                 break;
1027                 }
1028         }
1029
1030         /* parsing HT_CAP_IE */
1031         p = rtw_get_ie(
1032                 ie + _BEACON_IE_OFFSET_,
1033                 WLAN_EID_HT_CAPABILITY,
1034                 &ie_len,
1035                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
1036         );
1037         if (p && ie_len > 0) {
1038                 u8 max_rx_ampdu_factor = 0;
1039                 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1040
1041                 pHT_caps_ie = p;
1042
1043                 ht_cap = true;
1044                 network_type |= WIRELESS_11_24N;
1045
1046                 rtw_ht_use_default_setting(padapter);
1047
1048                 if (pmlmepriv->htpriv.sgi_20m == false)
1049                         pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_20));
1050
1051                 if (pmlmepriv->htpriv.sgi_40m == false)
1052                         pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_40));
1053
1054                 if (!TEST_FLAG(pmlmepriv->htpriv.ldpc_cap, LDPC_HT_ENABLE_RX))
1055                         pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_LDPC_CODING));
1056
1057                 if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1058                         pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_TX_STBC));
1059
1060                 if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_RX))
1061                         pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_RX_STBC_3R));
1062
1063                 pht_cap->ampdu_params_info &= ~(
1064                         IEEE80211_HT_CAP_AMPDU_FACTOR | IEEE80211_HT_CAP_AMPDU_DENSITY
1065                 );
1066
1067                 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1068                     (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) {
1069                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1070                                                        (0x07 << 2));
1071                 } else {
1072                         pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1073                                                        0x00);
1074                 }
1075
1076                 rtw_hal_get_def_var(
1077                         padapter,
1078                         HW_VAR_MAX_RX_AMPDU_FACTOR,
1079                         &max_rx_ampdu_factor
1080                 );
1081                 pht_cap->ampdu_params_info |= (
1082                         IEEE80211_HT_CAP_AMPDU_FACTOR & max_rx_ampdu_factor
1083                 ); /* set  Max Rx AMPDU size  to 64K */
1084
1085                 pht_cap->mcs.rx_mask[0] = 0xff;
1086                 pht_cap->mcs.rx_mask[1] = 0x0;
1087
1088                 memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len);
1089         }
1090
1091         /* parsing HT_INFO_IE */
1092         p = rtw_get_ie(
1093                 ie + _BEACON_IE_OFFSET_,
1094                 WLAN_EID_HT_OPERATION,
1095                 &ie_len,
1096                 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
1097         );
1098         if (p && ie_len > 0)
1099                 pHT_info_ie = p;
1100
1101         switch (network_type) {
1102         case WIRELESS_11B:
1103                 pbss_network->network_type_in_use = Ndis802_11DS;
1104                 break;
1105         case WIRELESS_11G:
1106         case WIRELESS_11BG:
1107         case WIRELESS_11G_24N:
1108         case WIRELESS_11BG_24N:
1109                 pbss_network->network_type_in_use = Ndis802_11OFDM24;
1110                 break;
1111         default:
1112                 pbss_network->network_type_in_use = Ndis802_11OFDM24;
1113                 break;
1114         }
1115
1116         pmlmepriv->cur_network.network_type = network_type;
1117
1118         pmlmepriv->htpriv.ht_option = false;
1119
1120         if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1121             (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1122                 /* todo: */
1123                 /* ht_cap = false; */
1124         }
1125
1126         /* ht_cap */
1127         if (pregistrypriv->ht_enable && ht_cap) {
1128                 pmlmepriv->htpriv.ht_option = true;
1129                 pmlmepriv->qospriv.qos_option = 1;
1130
1131                 if (pregistrypriv->ampdu_enable == 1)
1132                         pmlmepriv->htpriv.ampdu_enable = true;
1133
1134                 HT_caps_handler(padapter, (struct ndis_80211_var_ie *)pHT_caps_ie);
1135
1136                 HT_info_handler(padapter, (struct ndis_80211_var_ie *)pHT_info_ie);
1137         }
1138
1139         pbss_network->length = get_wlan_bssid_ex_sz(
1140                 (struct wlan_bssid_ex  *)pbss_network
1141         );
1142
1143         /* issue beacon to start bss network */
1144         /* start_bss_network(padapter, (u8 *)pbss_network); */
1145         rtw_startbss_cmd(padapter, RTW_CMDF_WAIT_ACK);
1146
1147         /* alloc sta_info for ap itself */
1148         psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->mac_address);
1149         if (!psta) {
1150                 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->mac_address);
1151                 if (!psta)
1152                         return _FAIL;
1153         }
1154
1155         /*  update AP's sta info */
1156         update_ap_info(padapter, psta);
1157
1158         psta->state |= WIFI_AP_STATE;           /* Aries, add, fix bug of flush_cam_entry at STOP AP mode , 0724 */
1159         rtw_indicate_connect(padapter);
1160
1161         pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1162
1163         /* update bc/mc sta_info */
1164         /* update_bmc_sta(padapter); */
1165
1166         return ret;
1167 }
1168
1169 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1170 {
1171         struct sta_priv *pstapriv = &padapter->stapriv;
1172         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1173
1174         pacl_list->mode = mode;
1175 }
1176
1177 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1178 {
1179         struct list_head        *plist, *phead;
1180         u8 added = false;
1181         int i, ret = 0;
1182         struct rtw_wlan_acl_node *paclnode;
1183         struct sta_priv *pstapriv = &padapter->stapriv;
1184         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1185         struct __queue  *pacl_node_q = &pacl_list->acl_node_q;
1186
1187         if ((NUM_ACL - 1) < pacl_list->num)
1188                 return (-1);
1189
1190         spin_lock_bh(&(pacl_node_q->lock));
1191
1192         phead = get_list_head(pacl_node_q);
1193         list_for_each(plist, phead) {
1194                 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1195
1196                 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1197                         if (paclnode->valid == true) {
1198                                 added = true;
1199                                 break;
1200                         }
1201                 }
1202         }
1203
1204         spin_unlock_bh(&(pacl_node_q->lock));
1205
1206         if (added)
1207                 return ret;
1208
1209         spin_lock_bh(&(pacl_node_q->lock));
1210
1211         for (i = 0; i < NUM_ACL; i++) {
1212                 paclnode = &pacl_list->aclnode[i];
1213
1214                 if (!paclnode->valid) {
1215                         INIT_LIST_HEAD(&paclnode->list);
1216
1217                         memcpy(paclnode->addr, addr, ETH_ALEN);
1218
1219                         paclnode->valid = true;
1220
1221                         list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1222
1223                         pacl_list->num++;
1224
1225                         break;
1226                 }
1227         }
1228
1229         spin_unlock_bh(&(pacl_node_q->lock));
1230
1231         return ret;
1232 }
1233
1234 void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1235 {
1236         struct list_head *plist, *phead, *tmp;
1237         struct rtw_wlan_acl_node *paclnode;
1238         struct sta_priv *pstapriv = &padapter->stapriv;
1239         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1240         struct __queue  *pacl_node_q = &pacl_list->acl_node_q;
1241
1242         spin_lock_bh(&(pacl_node_q->lock));
1243
1244         phead = get_list_head(pacl_node_q);
1245         list_for_each_safe(plist, tmp, phead) {
1246                 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1247
1248                 if (
1249                         !memcmp(paclnode->addr, addr, ETH_ALEN) ||
1250                         is_broadcast_ether_addr(addr)
1251                 ) {
1252                         if (paclnode->valid) {
1253                                 paclnode->valid = false;
1254
1255                                 list_del_init(&paclnode->list);
1256
1257                                 pacl_list->num--;
1258                         }
1259                 }
1260         }
1261
1262         spin_unlock_bh(&(pacl_node_q->lock));
1263
1264 }
1265
1266 u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta)
1267 {
1268         struct cmd_obj *ph2c;
1269         struct set_stakey_parm  *psetstakey_para;
1270         struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
1271         u8 res = _SUCCESS;
1272
1273         ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
1274         if (!ph2c) {
1275                 res = _FAIL;
1276                 goto exit;
1277         }
1278
1279         psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm));
1280         if (!psetstakey_para) {
1281                 kfree(ph2c);
1282                 res = _FAIL;
1283                 goto exit;
1284         }
1285
1286         init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
1287
1288         psetstakey_para->algorithm = (u8)psta->dot118021XPrivacy;
1289
1290         memcpy(psetstakey_para->addr, psta->hwaddr, ETH_ALEN);
1291
1292         memcpy(psetstakey_para->key, &psta->dot118021x_UncstKey, 16);
1293
1294         res = rtw_enqueue_cmd(pcmdpriv, ph2c);
1295
1296 exit:
1297
1298         return res;
1299 }
1300
1301 static int rtw_ap_set_key(
1302         struct adapter *padapter,
1303         u8 *key,
1304         u8 alg,
1305         int keyid,
1306         u8 set_tx
1307 )
1308 {
1309         u8 keylen;
1310         struct cmd_obj *pcmd;
1311         struct setkey_parm *psetkeyparm;
1312         struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
1313         int res = _SUCCESS;
1314
1315         pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1316         if (!pcmd) {
1317                 res = _FAIL;
1318                 goto exit;
1319         }
1320         psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1321         if (!psetkeyparm) {
1322                 kfree(pcmd);
1323                 res = _FAIL;
1324                 goto exit;
1325         }
1326
1327         psetkeyparm->keyid = (u8)keyid;
1328         if (is_wep_enc(alg))
1329                 padapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1330
1331         psetkeyparm->algorithm = alg;
1332
1333         psetkeyparm->set_tx = set_tx;
1334
1335         switch (alg) {
1336         case _WEP40_:
1337                 keylen = 5;
1338                 break;
1339         case _WEP104_:
1340                 keylen = 13;
1341                 break;
1342         case _TKIP_:
1343         case _TKIP_WTMIC_:
1344         case _AES_:
1345         default:
1346                 keylen = 16;
1347         }
1348
1349         memcpy(&(psetkeyparm->key[0]), key, keylen);
1350
1351         pcmd->cmdcode = _SetKey_CMD_;
1352         pcmd->parmbuf = (u8 *)psetkeyparm;
1353         pcmd->cmdsz =  (sizeof(struct setkey_parm));
1354         pcmd->rsp = NULL;
1355         pcmd->rspsz = 0;
1356
1357         INIT_LIST_HEAD(&pcmd->list);
1358
1359         res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1360
1361 exit:
1362
1363         return res;
1364 }
1365
1366 int rtw_ap_set_group_key(struct adapter *padapter, u8 *key, u8 alg, int keyid)
1367 {
1368         return rtw_ap_set_key(padapter, key, alg, keyid, 1);
1369 }
1370
1371 int rtw_ap_set_wep_key(
1372         struct adapter *padapter,
1373         u8 *key,
1374         u8 keylen,
1375         int keyid,
1376         u8 set_tx
1377 )
1378 {
1379         u8 alg;
1380
1381         switch (keylen) {
1382         case 5:
1383                 alg = _WEP40_;
1384                 break;
1385         case 13:
1386                 alg = _WEP104_;
1387                 break;
1388         default:
1389                 alg = _NO_PRIVACY_;
1390         }
1391
1392         return rtw_ap_set_key(padapter, key, alg, keyid, set_tx);
1393 }
1394
1395 static void update_bcn_fixed_ie(struct adapter *padapter)
1396 {
1397 }
1398
1399 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1400 {
1401         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1402         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1403         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1404         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1405         unsigned char *p, *ie = pnetwork->ies;
1406         u32 len = 0;
1407
1408         if (!pmlmeinfo->ERP_enable)
1409                 return;
1410
1411         /* parsing ERP_IE */
1412         p = rtw_get_ie(
1413                 ie + _BEACON_IE_OFFSET_,
1414                 WLAN_EID_ERP_INFO,
1415                 &len,
1416                 (pnetwork->ie_length - _BEACON_IE_OFFSET_)
1417         );
1418         if (p && len > 0) {
1419                 struct ndis_80211_var_ie *pIE = (struct ndis_80211_var_ie *)p;
1420
1421                 if (pmlmepriv->num_sta_non_erp == 1)
1422                         pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION;
1423                 else
1424                         pIE->data[0] &= ~(
1425                                 RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION
1426                         );
1427
1428                 if (pmlmepriv->num_sta_no_short_preamble > 0)
1429                         pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1430                 else
1431                         pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1432
1433                 ERP_IE_handler(padapter, pIE);
1434         }
1435 }
1436
1437 static void update_bcn_htcap_ie(struct adapter *padapter)
1438 {
1439 }
1440
1441 static void update_bcn_htinfo_ie(struct adapter *padapter)
1442 {
1443 }
1444
1445 static void update_bcn_rsn_ie(struct adapter *padapter)
1446 {
1447 }
1448
1449 static void update_bcn_wpa_ie(struct adapter *padapter)
1450 {
1451 }
1452
1453 static void update_bcn_wmm_ie(struct adapter *padapter)
1454 {
1455 }
1456
1457 static void update_bcn_wps_ie(struct adapter *padapter)
1458 {
1459         u8 *pwps_ie = NULL;
1460         u8 *pwps_ie_src;
1461         u8 *premainder_ie;
1462         u8 *pbackup_remainder_ie = NULL;
1463
1464         uint wps_ielen = 0, wps_offset, remainder_ielen;
1465         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1466         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1467         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1468         struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1469         unsigned char *ie = pnetwork->ies;
1470         u32 ielen = pnetwork->ie_length;
1471
1472         pwps_ie = rtw_get_wps_ie(
1473                 ie + _FIXED_IE_LENGTH_,
1474                 ielen - _FIXED_IE_LENGTH_,
1475                 NULL,
1476                 &wps_ielen
1477         );
1478
1479         if (!pwps_ie || wps_ielen == 0)
1480                 return;
1481
1482         pwps_ie_src = pmlmepriv->wps_beacon_ie;
1483         if (!pwps_ie_src)
1484                 return;
1485
1486         wps_offset = (uint)(pwps_ie - ie);
1487
1488         premainder_ie = pwps_ie + wps_ielen;
1489
1490         remainder_ielen = ielen - wps_offset - wps_ielen;
1491
1492         if (remainder_ielen > 0) {
1493                 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1494                 if (pbackup_remainder_ie)
1495                         memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1496         }
1497
1498         wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1499         if ((wps_offset + wps_ielen + 2 + remainder_ielen) <= MAX_IE_SZ) {
1500                 memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2);
1501                 pwps_ie += (wps_ielen+2);
1502
1503                 if (pbackup_remainder_ie)
1504                         memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1505
1506                 /* update ie_length */
1507                 pnetwork->ie_length = wps_offset + (wps_ielen + 2) + remainder_ielen;
1508         }
1509
1510         kfree(pbackup_remainder_ie);
1511 }
1512
1513 static void update_bcn_p2p_ie(struct adapter *padapter)
1514 {
1515 }
1516
1517 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1518 {
1519         if (!memcmp(RTW_WPA_OUI, oui, 4))
1520                 update_bcn_wpa_ie(padapter);
1521
1522         else if (!memcmp(WMM_OUI, oui, 4))
1523                 update_bcn_wmm_ie(padapter);
1524
1525         else if (!memcmp(WPS_OUI, oui, 4))
1526                 update_bcn_wps_ie(padapter);
1527
1528         else if (!memcmp(P2P_OUI, oui, 4))
1529                 update_bcn_p2p_ie(padapter);
1530 }
1531
1532 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1533 {
1534         struct mlme_priv *pmlmepriv;
1535         struct mlme_ext_priv *pmlmeext;
1536         /* struct mlme_ext_info *pmlmeinfo; */
1537
1538         if (!padapter)
1539                 return;
1540
1541         pmlmepriv = &(padapter->mlmepriv);
1542         pmlmeext = &(padapter->mlmeextpriv);
1543         /* pmlmeinfo = &(pmlmeext->mlmext_info); */
1544
1545         if (!pmlmeext->bstart_bss)
1546                 return;
1547
1548         spin_lock_bh(&pmlmepriv->bcn_update_lock);
1549
1550         switch (ie_id) {
1551         case 0xFF:
1552
1553                 update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1554
1555                 break;
1556
1557         case WLAN_EID_TIM:
1558
1559                 update_BCNTIM(padapter);
1560
1561                 break;
1562
1563         case WLAN_EID_ERP_INFO:
1564
1565                 update_bcn_erpinfo_ie(padapter);
1566
1567                 break;
1568
1569         case WLAN_EID_HT_CAPABILITY:
1570
1571                 update_bcn_htcap_ie(padapter);
1572
1573                 break;
1574
1575         case WLAN_EID_RSN:
1576
1577                 update_bcn_rsn_ie(padapter);
1578
1579                 break;
1580
1581         case WLAN_EID_HT_OPERATION:
1582
1583                 update_bcn_htinfo_ie(padapter);
1584
1585                 break;
1586
1587         case WLAN_EID_VENDOR_SPECIFIC:
1588
1589                 update_bcn_vendor_spec_ie(padapter, oui);
1590
1591                 break;
1592
1593         default:
1594                 break;
1595         }
1596
1597         pmlmepriv->update_bcn = true;
1598
1599         spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1600
1601         if (tx) {
1602                 /* send_beacon(padapter);//send_beacon must execute on TSR level */
1603                 set_tx_beacon_cmd(padapter);
1604         }
1605 }
1606
1607 /*
1608  * op_mode
1609  * Set to 0 (HT pure) under the following conditions
1610  *        - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1611  *        - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1612  * Set to 1 (HT non-member protection) if there may be non-HT STAs
1613  *        in both the primary and the secondary channel
1614  * Set to 2 if only HT STAs are associated in BSS,
1615  *        however and at least one 20 MHz HT STA is associated
1616  * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1617  *        (currently non-GF HT station is considered as non-HT STA also)
1618  */
1619 static int rtw_ht_operation_update(struct adapter *padapter)
1620 {
1621         u16 cur_op_mode, new_op_mode;
1622         int op_mode_changes = 0;
1623         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1624         struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1625
1626         if (pmlmepriv->htpriv.ht_option)
1627                 return 0;
1628
1629         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1630             && pmlmepriv->num_sta_ht_no_gf) {
1631                 pmlmepriv->ht_op_mode |=
1632                         IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1633                 op_mode_changes++;
1634         } else if ((pmlmepriv->ht_op_mode &
1635                     IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1636                    pmlmepriv->num_sta_ht_no_gf == 0) {
1637                 pmlmepriv->ht_op_mode &=
1638                         ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1639                 op_mode_changes++;
1640         }
1641
1642         if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1643             (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1644                 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1645                 op_mode_changes++;
1646         } else if ((pmlmepriv->ht_op_mode &
1647                     IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1648                    (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1649                 pmlmepriv->ht_op_mode &=
1650                         ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1651                 op_mode_changes++;
1652         }
1653
1654         /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1655          * station is associated. Probably it's a theoretical case, since
1656          * it looks like all known HT STAs support greenfield.
1657          */
1658         new_op_mode = 0;
1659         if (pmlmepriv->num_sta_no_ht ||
1660             (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1661                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1662         else if (
1663                 (le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH)
1664                 && pmlmepriv->num_sta_ht_20mhz)
1665                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1666         else if (pmlmepriv->olbc_ht)
1667                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1668         else
1669                 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1670
1671         cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1672         if (cur_op_mode != new_op_mode) {
1673                 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1674                 pmlmepriv->ht_op_mode |= new_op_mode;
1675                 op_mode_changes++;
1676         }
1677
1678         return op_mode_changes;
1679 }
1680
1681 void associated_clients_update(struct adapter *padapter, u8 updated)
1682 {
1683         /* update associated stations cap. */
1684         if (updated) {
1685                 struct list_head        *phead, *plist;
1686                 struct sta_info *psta = NULL;
1687                 struct sta_priv *pstapriv = &padapter->stapriv;
1688
1689                 spin_lock_bh(&pstapriv->asoc_list_lock);
1690
1691                 phead = &pstapriv->asoc_list;
1692                 /* check asoc_queue */
1693                 list_for_each(plist, phead) {
1694                         psta = list_entry(plist, struct sta_info, asoc_list);
1695
1696                         VCS_update(padapter, psta);
1697                 }
1698
1699                 spin_unlock_bh(&pstapriv->asoc_list_lock);
1700         }
1701 }
1702
1703 /* called > TSR LEVEL for USB or SDIO Interface*/
1704 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1705 {
1706         u8 beacon_updated = false;
1707         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1708         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1709
1710         if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1711                 if (!psta->no_short_preamble_set) {
1712                         psta->no_short_preamble_set = 1;
1713
1714                         pmlmepriv->num_sta_no_short_preamble++;
1715
1716                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1717                             (pmlmepriv->num_sta_no_short_preamble == 1)) {
1718                                 beacon_updated = true;
1719                                 update_beacon(padapter, 0xFF, NULL, true);
1720                         }
1721                 }
1722         } else {
1723                 if (psta->no_short_preamble_set) {
1724                         psta->no_short_preamble_set = 0;
1725
1726                         pmlmepriv->num_sta_no_short_preamble--;
1727
1728                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1729                             (pmlmepriv->num_sta_no_short_preamble == 0)) {
1730                                 beacon_updated = true;
1731                                 update_beacon(padapter, 0xFF, NULL, true);
1732                         }
1733                 }
1734         }
1735
1736         if (psta->flags & WLAN_STA_NONERP) {
1737                 if (!psta->nonerp_set) {
1738                         psta->nonerp_set = 1;
1739
1740                         pmlmepriv->num_sta_non_erp++;
1741
1742                         if (pmlmepriv->num_sta_non_erp == 1) {
1743                                 beacon_updated = true;
1744                                 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1745                         }
1746                 }
1747         } else {
1748                 if (psta->nonerp_set) {
1749                         psta->nonerp_set = 0;
1750
1751                         pmlmepriv->num_sta_non_erp--;
1752
1753                         if (pmlmepriv->num_sta_non_erp == 0) {
1754                                 beacon_updated = true;
1755                                 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1756                         }
1757                 }
1758         }
1759
1760         if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1761                 if (!psta->no_short_slot_time_set) {
1762                         psta->no_short_slot_time_set = 1;
1763
1764                         pmlmepriv->num_sta_no_short_slot_time++;
1765
1766                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1767                             (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1768                                 beacon_updated = true;
1769                                 update_beacon(padapter, 0xFF, NULL, true);
1770                         }
1771                 }
1772         } else {
1773                 if (psta->no_short_slot_time_set) {
1774                         psta->no_short_slot_time_set = 0;
1775
1776                         pmlmepriv->num_sta_no_short_slot_time--;
1777
1778                         if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1779                             (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1780                                 beacon_updated = true;
1781                                 update_beacon(padapter, 0xFF, NULL, true);
1782                         }
1783                 }
1784         }
1785
1786         if (psta->flags & WLAN_STA_HT) {
1787                 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1788
1789                 if (psta->no_ht_set) {
1790                         psta->no_ht_set = 0;
1791                         pmlmepriv->num_sta_no_ht--;
1792                 }
1793
1794                 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1795                         if (!psta->no_ht_gf_set) {
1796                                 psta->no_ht_gf_set = 1;
1797                                 pmlmepriv->num_sta_ht_no_gf++;
1798                         }
1799                 }
1800
1801                 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1802                         if (!psta->ht_20mhz_set) {
1803                                 psta->ht_20mhz_set = 1;
1804                                 pmlmepriv->num_sta_ht_20mhz++;
1805                         }
1806                 }
1807
1808         } else {
1809                 if (!psta->no_ht_set) {
1810                         psta->no_ht_set = 1;
1811                         pmlmepriv->num_sta_no_ht++;
1812                 }
1813         }
1814
1815         if (rtw_ht_operation_update(padapter) > 0) {
1816                 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1817                 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1818         }
1819
1820         /* update associated stations cap. */
1821         associated_clients_update(padapter,  beacon_updated);
1822 }
1823
1824 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1825 {
1826         u8 beacon_updated = false;
1827         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1828         struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1829
1830         if (!psta)
1831                 return beacon_updated;
1832
1833         if (psta->no_short_preamble_set) {
1834                 psta->no_short_preamble_set = 0;
1835                 pmlmepriv->num_sta_no_short_preamble--;
1836                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1837                     && pmlmepriv->num_sta_no_short_preamble == 0){
1838                         beacon_updated = true;
1839                         update_beacon(padapter, 0xFF, NULL, true);
1840                 }
1841         }
1842
1843         if (psta->nonerp_set) {
1844                 psta->nonerp_set = 0;
1845                 pmlmepriv->num_sta_non_erp--;
1846                 if (pmlmepriv->num_sta_non_erp == 0) {
1847                         beacon_updated = true;
1848                         update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1849                 }
1850         }
1851
1852         if (psta->no_short_slot_time_set) {
1853                 psta->no_short_slot_time_set = 0;
1854                 pmlmepriv->num_sta_no_short_slot_time--;
1855                 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1856                     && pmlmepriv->num_sta_no_short_slot_time == 0){
1857                         beacon_updated = true;
1858                         update_beacon(padapter, 0xFF, NULL, true);
1859                 }
1860         }
1861
1862         if (psta->no_ht_gf_set) {
1863                 psta->no_ht_gf_set = 0;
1864                 pmlmepriv->num_sta_ht_no_gf--;
1865         }
1866
1867         if (psta->no_ht_set) {
1868                 psta->no_ht_set = 0;
1869                 pmlmepriv->num_sta_no_ht--;
1870         }
1871
1872         if (psta->ht_20mhz_set) {
1873                 psta->ht_20mhz_set = 0;
1874                 pmlmepriv->num_sta_ht_20mhz--;
1875         }
1876
1877         if (rtw_ht_operation_update(padapter) > 0) {
1878                 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1879                 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1880         }
1881
1882         return beacon_updated;
1883 }
1884
1885 u8 ap_free_sta(
1886         struct adapter *padapter,
1887         struct sta_info *psta,
1888         bool active,
1889         u16 reason
1890 )
1891 {
1892         u8 beacon_updated = false;
1893
1894         if (!psta)
1895                 return beacon_updated;
1896
1897         if (active) {
1898                 /* tear down Rx AMPDU */
1899                 send_delba(padapter, 0, psta->hwaddr);/*  recipient */
1900
1901                 /* tear down TX AMPDU */
1902                 send_delba(padapter, 1, psta->hwaddr);/*  // originator */
1903
1904                 issue_deauth(padapter, psta->hwaddr, reason);
1905         }
1906
1907         psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1908         psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1909
1910         /* report_del_sta_event(padapter, psta->hwaddr, reason); */
1911
1912         /* clear cam entry / key */
1913         rtw_clearstakey_cmd(padapter, psta, true);
1914
1915         spin_lock_bh(&psta->lock);
1916         psta->state &= ~_FW_LINKED;
1917         spin_unlock_bh(&psta->lock);
1918
1919         rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1920
1921         report_del_sta_event(padapter, psta->hwaddr, reason);
1922
1923         beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1924
1925         rtw_free_stainfo(padapter, psta);
1926
1927         return beacon_updated;
1928 }
1929
1930 void rtw_sta_flush(struct adapter *padapter)
1931 {
1932         struct list_head *phead, *plist, *tmp;
1933         struct sta_info *psta = NULL;
1934         struct sta_priv *pstapriv = &padapter->stapriv;
1935         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1936         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1937         u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1938
1939         if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1940                 return;
1941
1942         spin_lock_bh(&pstapriv->asoc_list_lock);
1943         phead = &pstapriv->asoc_list;
1944         /* free sta asoc_queue */
1945         list_for_each_safe(plist, tmp, phead) {
1946                 psta = list_entry(plist, struct sta_info, asoc_list);
1947
1948                 list_del_init(&psta->asoc_list);
1949                 pstapriv->asoc_list_cnt--;
1950
1951                 /* spin_unlock_bh(&pstapriv->asoc_list_lock); */
1952                 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1953                 /* spin_lock_bh(&pstapriv->asoc_list_lock); */
1954         }
1955         spin_unlock_bh(&pstapriv->asoc_list_lock);
1956
1957         issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1958
1959         associated_clients_update(padapter, true);
1960 }
1961
1962 /* called > TSR LEVEL for USB or SDIO Interface*/
1963 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1964 {
1965         int flags = psta->flags;
1966         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1967
1968         /* update wmm cap. */
1969         if (WLAN_STA_WME & flags)
1970                 psta->qos_option = 1;
1971         else
1972                 psta->qos_option = 0;
1973
1974         if (pmlmepriv->qospriv.qos_option == 0)
1975                 psta->qos_option = 0;
1976
1977         /* update 802.11n ht cap. */
1978         if (WLAN_STA_HT & flags) {
1979                 psta->htpriv.ht_option = true;
1980                 psta->qos_option = 1;
1981         } else {
1982                 psta->htpriv.ht_option = false;
1983         }
1984
1985         if (!pmlmepriv->htpriv.ht_option)
1986                 psta->htpriv.ht_option = false;
1987
1988         update_sta_info_apmode(padapter, psta);
1989 }
1990
1991 /* called >= TSR LEVEL for USB or SDIO Interface*/
1992 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1993 {
1994         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1995         struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1996
1997         if (psta->state & _FW_LINKED) {
1998                 pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
1999
2000                 /* add ratid */
2001                 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
2002         }
2003 }
2004 /* restore hw setting from sw data structures */
2005 void rtw_ap_restore_network(struct adapter *padapter)
2006 {
2007         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2008         struct sta_priv *pstapriv = &padapter->stapriv;
2009         struct sta_info *psta;
2010         struct security_priv *psecuritypriv = &(padapter->securitypriv);
2011         struct list_head        *phead, *plist;
2012         u8 chk_alive_num = 0;
2013         char chk_alive_list[NUM_STA];
2014         int i;
2015
2016         rtw_setopmode_cmd(padapter, Ndis802_11APMode, false);
2017
2018         set_channel_bwmode(
2019                 padapter,
2020                 pmlmeext->cur_channel,
2021                 pmlmeext->cur_ch_offset,
2022                 pmlmeext->cur_bwmode
2023         );
2024
2025         start_bss_network(padapter);
2026
2027         if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
2028             (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
2029                 /* restore group key, WEP keys is restored in ips_leave() */
2030                 rtw_set_key(
2031                         padapter,
2032                         psecuritypriv,
2033                         psecuritypriv->dot118021XGrpKeyid,
2034                         0,
2035                         false
2036                 );
2037         }
2038
2039         spin_lock_bh(&pstapriv->asoc_list_lock);
2040
2041         phead = &pstapriv->asoc_list;
2042         list_for_each(plist, phead) {
2043                 int stainfo_offset;
2044
2045                 psta = list_entry(plist, struct sta_info, asoc_list);
2046
2047                 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
2048                 if (stainfo_offset_valid(stainfo_offset))
2049                         chk_alive_list[chk_alive_num++] = stainfo_offset;
2050         }
2051
2052         spin_unlock_bh(&pstapriv->asoc_list_lock);
2053
2054         for (i = 0; i < chk_alive_num; i++) {
2055                 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
2056
2057                 if (!psta)
2058                         continue;
2059
2060                 if (psta->state & _FW_LINKED) {
2061                         rtw_sta_media_status_rpt(padapter, psta, 1);
2062                         Update_RA_Entry(padapter, psta);
2063                         /* pairwise key */
2064                         /* per sta pairwise key and settings */
2065                         if ((psecuritypriv->dot11PrivacyAlgrthm == _TKIP_) ||
2066                             (psecuritypriv->dot11PrivacyAlgrthm == _AES_)) {
2067                                 rtw_setstakey_cmd(padapter, psta, true, false);
2068                         }
2069                 }
2070         }
2071 }
2072
2073 void start_ap_mode(struct adapter *padapter)
2074 {
2075         int i;
2076         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2077         struct sta_priv *pstapriv = &padapter->stapriv;
2078         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2079         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2080
2081         pmlmepriv->update_bcn = false;
2082
2083         /* init_mlme_ap_info(padapter); */
2084         pmlmeext->bstart_bss = false;
2085
2086         pmlmepriv->num_sta_non_erp = 0;
2087
2088         pmlmepriv->num_sta_no_short_slot_time = 0;
2089
2090         pmlmepriv->num_sta_no_short_preamble = 0;
2091
2092         pmlmepriv->num_sta_ht_no_gf = 0;
2093         pmlmepriv->num_sta_no_ht = 0;
2094         pmlmepriv->num_sta_ht_20mhz = 0;
2095
2096         pmlmepriv->olbc = false;
2097
2098         pmlmepriv->olbc_ht = false;
2099
2100         pmlmepriv->ht_op_mode = 0;
2101
2102         for (i = 0; i < NUM_STA; i++)
2103                 pstapriv->sta_aid[i] = NULL;
2104
2105         pmlmepriv->wps_beacon_ie = NULL;
2106         pmlmepriv->wps_probe_resp_ie = NULL;
2107         pmlmepriv->wps_assoc_resp_ie = NULL;
2108
2109         pmlmepriv->p2p_beacon_ie = NULL;
2110         pmlmepriv->p2p_probe_resp_ie = NULL;
2111
2112         /* for ACL */
2113         INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
2114         pacl_list->num = 0;
2115         pacl_list->mode = 0;
2116         for (i = 0; i < NUM_ACL; i++) {
2117                 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
2118                 pacl_list->aclnode[i].valid = false;
2119         }
2120 }
2121
2122 void stop_ap_mode(struct adapter *padapter)
2123 {
2124         struct list_head *phead, *plist, *tmp;
2125         struct rtw_wlan_acl_node *paclnode;
2126         struct sta_info *psta = NULL;
2127         struct sta_priv *pstapriv = &padapter->stapriv;
2128         struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2129         struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2130         struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2131         struct __queue  *pacl_node_q = &pacl_list->acl_node_q;
2132
2133         pmlmepriv->update_bcn = false;
2134         pmlmeext->bstart_bss = false;
2135
2136         /* reset and init security priv , this can refine with rtw_reset_securitypriv */
2137         memset(
2138                 (unsigned char *)&padapter->securitypriv,
2139                 0,
2140                 sizeof(struct security_priv)
2141         );
2142         padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
2143         padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
2144
2145         /* for ACL */
2146         spin_lock_bh(&(pacl_node_q->lock));
2147         phead = get_list_head(pacl_node_q);
2148         list_for_each_safe(plist, tmp, phead) {
2149                 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
2150
2151                 if (paclnode->valid) {
2152                         paclnode->valid = false;
2153
2154                         list_del_init(&paclnode->list);
2155
2156                         pacl_list->num--;
2157                 }
2158         }
2159         spin_unlock_bh(&(pacl_node_q->lock));
2160
2161         rtw_sta_flush(padapter);
2162
2163         /* free_assoc_sta_resources */
2164         rtw_free_all_stainfo(padapter);
2165
2166         psta = rtw_get_bcmc_stainfo(padapter);
2167         rtw_free_stainfo(padapter, psta);
2168
2169         rtw_init_bcmc_stainfo(padapter);
2170
2171         rtw_free_mlme_priv_ie_data(pmlmepriv);
2172
2173         rtw_btcoex_MediaStatusNotify(padapter, 0); /* disconnect */
2174 }