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 <linux/unaligned.h>
10
init_mlme_ap_info(struct adapter * padapter)11 void init_mlme_ap_info(struct adapter *padapter)
12 {
13 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
14 struct sta_priv *pstapriv = &padapter->stapriv;
15 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
16
17 spin_lock_init(&pmlmepriv->bcn_update_lock);
18
19 /* for ACL */
20 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
21 spin_lock_init(&pacl_list->acl_node_q.lock);
22
23 /* pmlmeext->bstart_bss = false; */
24
25 start_ap_mode(padapter);
26 }
27
free_mlme_ap_info(struct adapter * padapter)28 void free_mlme_ap_info(struct adapter *padapter)
29 {
30 struct sta_info *psta = NULL;
31 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
32 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
33 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
34
35 /* stop_ap_mode(padapter); */
36
37 pmlmepriv->update_bcn = false;
38 pmlmeext->bstart_bss = false;
39
40 rtw_sta_flush(padapter);
41
42 pmlmeinfo->state = _HW_STATE_NOLINK_;
43
44 /* free_assoc_sta_resources */
45 rtw_free_all_stainfo(padapter);
46
47 /* free bc/mc sta_info */
48 psta = rtw_get_bcmc_stainfo(padapter);
49 rtw_free_stainfo(padapter, psta);
50 }
51
update_BCNTIM(struct adapter * padapter)52 static void update_BCNTIM(struct adapter *padapter)
53 {
54 struct sta_priv *pstapriv = &padapter->stapriv;
55 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
56 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
57 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
58 unsigned char *pie = pnetwork_mlmeext->ies;
59
60 /* update TIM IE */
61 u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL;
62 __le16 tim_bitmap_le;
63 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
64
65 tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap);
66
67 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_,
68 WLAN_EID_TIM,
69 &tim_ielen,
70 pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_
71 );
72 if (p && tim_ielen > 0) {
73 tim_ielen += 2;
74
75 premainder_ie = p + tim_ielen;
76
77 tim_ie_offset = (signed int)(p - pie);
78
79 remainder_ielen = pnetwork_mlmeext->ie_length - tim_ie_offset - tim_ielen;
80
81 /* append TIM IE from dst_ie offset */
82 dst_ie = p;
83 } else {
84 tim_ielen = 0;
85
86 /* calculate head_len */
87 offset = _FIXED_IE_LENGTH_;
88
89 /* get ssid_ie len */
90 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
91 WLAN_EID_SSID,
92 &tmp_len,
93 (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_)
94 );
95 if (p)
96 offset += tmp_len + 2;
97
98 /* get supported rates len */
99 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
100 WLAN_EID_SUPP_RATES, &tmp_len,
101 (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_)
102 );
103 if (p)
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->ie_length - 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 = rtw_malloc(remainder_ielen);
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 & 0x00fe))
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 __le16 pvb;
142
143 if (pstapriv->tim_bitmap & 0xff00)
144 pvb = cpu_to_le16(pstapriv->tim_bitmap >> 8);
145 else
146 pvb = tim_bitmap_le;
147
148 *dst_ie++ = le16_to_cpu(pvb);
149
150 } else if (tim_ielen == 5) {
151 memcpy(dst_ie, &tim_bitmap_le, 2);
152 dst_ie += 2;
153 }
154
155 /* copy remainder IE */
156 if (pbackup_remainder_ie) {
157 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
158
159 kfree(pbackup_remainder_ie);
160 }
161
162 offset = (uint)(dst_ie - pie);
163 pnetwork_mlmeext->ie_length = offset + remainder_ielen;
164 }
165
chk_sta_is_alive(struct sta_info * psta)166 static u8 chk_sta_is_alive(struct sta_info *psta)
167 {
168 sta_update_last_rx_pkts(psta);
169
170 return true;
171 }
172
expire_timeout_chk(struct adapter * padapter)173 void expire_timeout_chk(struct adapter *padapter)
174 {
175 struct list_head *phead, *plist, *tmp;
176 u8 updated = false;
177 struct sta_info *psta = NULL;
178 struct sta_priv *pstapriv = &padapter->stapriv;
179 u8 chk_alive_num = 0;
180 char chk_alive_list[NUM_STA];
181 int i;
182
183 spin_lock_bh(&pstapriv->auth_list_lock);
184
185 phead = &pstapriv->auth_list;
186 /* check auth_queue */
187 list_for_each_safe(plist, tmp, phead) {
188 psta = list_entry(plist, struct sta_info, auth_list);
189
190 if (psta->expire_to > 0) {
191 psta->expire_to--;
192 if (psta->expire_to == 0) {
193 list_del_init(&psta->auth_list);
194 pstapriv->auth_list_cnt--;
195
196 spin_unlock_bh(&pstapriv->auth_list_lock);
197
198 rtw_free_stainfo(padapter, psta);
199
200 spin_lock_bh(&pstapriv->auth_list_lock);
201 }
202 }
203 }
204
205 spin_unlock_bh(&pstapriv->auth_list_lock);
206 psta = NULL;
207
208 spin_lock_bh(&pstapriv->asoc_list_lock);
209
210 phead = &pstapriv->asoc_list;
211 /* check asoc_queue */
212 list_for_each_safe(plist, tmp, phead) {
213 psta = list_entry(plist, struct sta_info, asoc_list);
214 if (chk_sta_is_alive(psta) || !psta->expire_to) {
215 psta->expire_to = pstapriv->expire_to;
216 psta->keep_alive_trycnt = 0;
217 psta->under_exist_checking = 0;
218 } else {
219 if (psta->expire_to > 0)
220 psta->expire_to--;
221 }
222
223 if (psta->expire_to == 0) {
224 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
225
226 if (padapter->registrypriv.wifi_spec == 1) {
227 psta->expire_to = pstapriv->expire_to;
228 continue;
229 }
230
231 if (psta->state & WIFI_SLEEP_STATE) {
232 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
233 /* to check if alive by another methods */
234 /* if station is at ps mode. */
235 psta->expire_to = pstapriv->expire_to;
236 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
237
238 /* to update bcn with tim_bitmap for this station */
239 pstapriv->tim_bitmap |= BIT(psta->aid);
240 update_beacon(padapter, WLAN_EID_TIM, NULL, true);
241
242 if (!pmlmeext->active_keep_alive_check)
243 continue;
244 }
245 }
246 if (pmlmeext->active_keep_alive_check) {
247 int stainfo_offset;
248
249 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
250 if (stainfo_offset_valid(stainfo_offset))
251 chk_alive_list[chk_alive_num++] = stainfo_offset;
252
253 continue;
254 }
255 list_del_init(&psta->asoc_list);
256 pstapriv->asoc_list_cnt--;
257 updated = ap_free_sta(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING);
258 } else {
259 /* TODO: Aging mechanism to digest frames in sleep_q to */
260 /* avoid running out of xmitframe */
261 if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt)
262 && padapter->xmitpriv.free_xmitframe_cnt < ((
263 NR_XMITFRAME / pstapriv->asoc_list_cnt
264 ) / 2)
265 )
266 wakeup_sta_to_xmit(padapter, psta);
267 }
268 }
269
270 spin_unlock_bh(&pstapriv->asoc_list_lock);
271
272 if (chk_alive_num) {
273 u8 backup_oper_channel = 0;
274 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
275
276 /* switch to correct channel of current network before issue keep-alive frames */
277 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
278 backup_oper_channel = rtw_get_oper_ch(padapter);
279 r8723bs_select_channel(padapter, pmlmeext->cur_channel);
280 }
281
282 /* issue null data to check sta alive*/
283 for (i = 0; i < chk_alive_num; i++) {
284 int ret = _FAIL;
285
286 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
287 if (!(psta->state & _FW_LINKED))
288 continue;
289
290 if (psta->state & WIFI_SLEEP_STATE)
291 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
292 else
293 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
294
295 psta->keep_alive_trycnt++;
296 if (ret == _SUCCESS) {
297 psta->expire_to = pstapriv->expire_to;
298 psta->keep_alive_trycnt = 0;
299 continue;
300 } else if (psta->keep_alive_trycnt <= 3) {
301 psta->expire_to = 1;
302 continue;
303 }
304
305 psta->keep_alive_trycnt = 0;
306 spin_lock_bh(&pstapriv->asoc_list_lock);
307 if (list_empty(&psta->asoc_list) == false) {
308 list_del_init(&psta->asoc_list);
309 pstapriv->asoc_list_cnt--;
310 updated = ap_free_sta(padapter, psta, false,
311 WLAN_REASON_DEAUTH_LEAVING);
312 }
313 spin_unlock_bh(&pstapriv->asoc_list_lock);
314 }
315
316 if (backup_oper_channel > 0) /* back to the original operation channel */
317 r8723bs_select_channel(padapter, backup_oper_channel);
318 }
319
320 associated_clients_update(padapter, updated);
321 }
322
add_RATid(struct adapter * padapter,struct sta_info * psta,u8 rssi_level)323 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
324 {
325 unsigned char sta_band = 0, shortGIrate = false;
326 unsigned int tx_ra_bitmap = 0;
327 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
328 struct wlan_bssid_ex
329 *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
330
331 if (!psta)
332 return;
333
334 if (!(psta->state & _FW_LINKED))
335 return;
336
337 rtw_hal_update_sta_rate_mask(padapter, psta);
338 tx_ra_bitmap = psta->ra_mask;
339
340 shortGIrate = query_ra_short_GI(psta);
341
342 if (pcur_network->configuration.ds_config > 14) {
343 sta_band |= WIRELESS_INVALID;
344 } else {
345 if (tx_ra_bitmap & 0xffff000)
346 sta_band |= WIRELESS_11_24N;
347
348 if (tx_ra_bitmap & 0xff0)
349 sta_band |= WIRELESS_11G;
350
351 if (tx_ra_bitmap & 0x0f)
352 sta_band |= WIRELESS_11B;
353 }
354
355 psta->wireless_mode = sta_band;
356 psta->raid = networktype_to_raid_ex(padapter, psta);
357
358 if (psta->aid < NUM_STA) {
359 u8 arg[4] = {0};
360
361 arg[0] = psta->mac_id;
362 arg[1] = psta->raid;
363 arg[2] = shortGIrate;
364 arg[3] = psta->init_rate;
365
366 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
367 }
368 }
369
update_bmc_sta(struct adapter * padapter)370 void update_bmc_sta(struct adapter *padapter)
371 {
372 unsigned char network_type;
373 int supportRateNum = 0;
374 unsigned int tx_ra_bitmap = 0;
375 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
376 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
377 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
378 struct wlan_bssid_ex
379 *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
380 struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
381
382 if (psta) {
383 psta->aid = 0;/* default set to 0 */
384 /* psta->mac_id = psta->aid+4; */
385 psta->mac_id = psta->aid + 1;/* mac_id = 1 for bc/mc stainfo */
386
387 pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
388
389 psta->qos_option = 0;
390 psta->htpriv.ht_option = false;
391
392 psta->ieee8021x_blocked = false;
393
394 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
395
396 /* psta->dot118021XPrivacy = _NO_PRIVACY_;//!!! remove it, because it has been set before this. */
397
398 /* prepare for add_RATid */
399 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->supported_rates);
400 network_type = rtw_check_network_type((u8 *)&pcur_network->supported_rates,
401 supportRateNum,
402 pcur_network->configuration.ds_config
403 );
404 if (is_supported_tx_cck(network_type)) {
405 network_type = WIRELESS_11B;
406 } else if (network_type == WIRELESS_INVALID) { /* error handling */
407
408 if (pcur_network->configuration.ds_config > 14)
409 network_type = WIRELESS_INVALID;
410 else
411 network_type = WIRELESS_11B;
412 }
413 update_sta_basic_rate(psta, network_type);
414 psta->wireless_mode = network_type;
415
416 rtw_hal_update_sta_rate_mask(padapter, psta);
417 tx_ra_bitmap = psta->ra_mask;
418
419 psta->raid = networktype_to_raid_ex(padapter, psta);
420
421 /* ap mode */
422 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
423
424 /* if (pHalData->fw_ractrl == true) */
425 {
426 u8 arg[4] = {0};
427
428 arg[0] = psta->mac_id;
429 arg[1] = psta->raid;
430 arg[2] = 0;
431 arg[3] = psta->init_rate;
432
433 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
434 }
435
436 rtw_sta_media_status_rpt(padapter, psta, 1);
437
438 spin_lock_bh(&psta->lock);
439 psta->state = _FW_LINKED;
440 spin_unlock_bh(&psta->lock);
441
442 }
443 }
444
445 /* notes: */
446 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
447 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
448 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
449 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
450 /* CAM_ID = 0~3 for default key, cmd_id =macid + 3, macid =aid+1; */
451
update_sta_info_apmode(struct adapter * padapter,struct sta_info * psta)452 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
453 {
454 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
455 struct security_priv *psecuritypriv = &padapter->securitypriv;
456 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
457 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
458 struct ht_priv *phtpriv_sta = &psta->htpriv;
459 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, cur_beamform_cap = 0;
460 /* set intf_tag to if1 */
461 /* psta->intf_tag = 0; */
462
463 /* psta->mac_id = psta->aid+4; */
464 /* psta->mac_id = psta->aid+1;//alloc macid when call rtw_alloc_stainfo(), */
465 /* release macid when call rtw_free_stainfo() */
466
467 /* ap mode */
468 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
469
470 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
471 psta->ieee8021x_blocked = true;
472 else
473 psta->ieee8021x_blocked = false;
474
475 /* update sta's cap */
476
477 /* ERP */
478 VCS_update(padapter, psta);
479
480 /* HT related cap */
481 if (phtpriv_sta->ht_option) {
482 /* check if sta supports rx ampdu */
483 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
484
485 phtpriv_sta->rx_ampdu_min_spacing = (
486 phtpriv_sta->ht_cap.ampdu_params_info & IEEE80211_HT_CAP_AMPDU_DENSITY
487 ) >> 2;
488
489 /* bwmode */
490 if ((
491 phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
492 ) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH))
493 psta->bw_mode = CHANNEL_WIDTH_40;
494 else
495 psta->bw_mode = CHANNEL_WIDTH_20;
496
497 if (pmlmeext->cur_bwmode < psta->bw_mode)
498 psta->bw_mode = pmlmeext->cur_bwmode;
499
500 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
501
502 /* check if sta support s Short GI 20M */
503 if ((
504 phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
505 ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
506 phtpriv_sta->sgi_20m = true;
507
508 /* check if sta support s Short GI 40M */
509 if ((
510 phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info
511 ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40)) {
512 if (psta->bw_mode == CHANNEL_WIDTH_40) /* according to psta->bw_mode */
513 phtpriv_sta->sgi_40m = true;
514 else
515 phtpriv_sta->sgi_40m = false;
516 }
517
518 psta->qos_option = true;
519
520 /* B0 Config LDPC Coding Capability */
521 if (TEST_FLAG(phtpriv_ap->ldpc_cap, LDPC_HT_ENABLE_TX) &&
522 GET_HT_CAPABILITY_ELE_LDPC_CAP((u8 *)(&phtpriv_sta->ht_cap)))
523 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
524
525 /* B7 B8 B9 Config STBC setting */
526 if (TEST_FLAG(phtpriv_ap->stbc_cap, STBC_HT_ENABLE_TX) &&
527 GET_HT_CAPABILITY_ELE_RX_STBC((u8 *)(&phtpriv_sta->ht_cap)))
528 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
529 } else {
530 phtpriv_sta->ampdu_enable = false;
531
532 phtpriv_sta->sgi_20m = false;
533 phtpriv_sta->sgi_40m = false;
534 psta->bw_mode = CHANNEL_WIDTH_20;
535 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
536 }
537
538 phtpriv_sta->ldpc_cap = cur_ldpc_cap;
539 phtpriv_sta->stbc_cap = cur_stbc_cap;
540 phtpriv_sta->beamform_cap = cur_beamform_cap;
541
542 /* Rx AMPDU */
543 send_delba(padapter, 0, psta->hwaddr);/* recipient */
544
545 /* TX AMPDU */
546 send_delba(padapter, 1, psta->hwaddr);/* originator */
547 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
548 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
549
550 update_ldpc_stbc_cap(psta);
551
552 /* todo: init other variables */
553
554 memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
555
556 /* add ratid */
557 /* add_RATid(padapter, psta);//move to ap_sta_info_defer_update() */
558
559 spin_lock_bh(&psta->lock);
560 psta->state |= _FW_LINKED;
561 spin_unlock_bh(&psta->lock);
562 }
563
update_ap_info(struct adapter * padapter,struct sta_info * psta)564 static void update_ap_info(struct adapter *padapter, struct sta_info *psta)
565 {
566 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
567 struct wlan_bssid_ex
568 *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
569 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
570 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
571
572 psta->wireless_mode = pmlmeext->cur_wireless_mode;
573
574 psta->bssratelen = rtw_get_rateset_len(pnetwork->supported_rates);
575 memcpy(psta->bssrateset, pnetwork->supported_rates, psta->bssratelen);
576
577 /* HT related cap */
578 if (phtpriv_ap->ht_option) {
579 /* check if sta supports rx ampdu */
580 /* phtpriv_ap->ampdu_enable = phtpriv_ap->ampdu_enable; */
581
582 /* check if sta support s Short GI 20M */
583 if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20))
584 phtpriv_ap->sgi_20m = true;
585
586 /* check if sta support s Short GI 40M */
587 if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40))
588 phtpriv_ap->sgi_40m = true;
589
590 psta->qos_option = true;
591 } else {
592 phtpriv_ap->ampdu_enable = false;
593
594 phtpriv_ap->sgi_20m = false;
595 phtpriv_ap->sgi_40m = false;
596 }
597
598 psta->bw_mode = pmlmeext->cur_bwmode;
599 phtpriv_ap->ch_offset = pmlmeext->cur_ch_offset;
600
601 phtpriv_ap->agg_enable_bitmap = 0x0;/* reset */
602 phtpriv_ap->candidate_tid_bitmap = 0x0;/* reset */
603
604 memcpy(&psta->htpriv, &pmlmepriv->htpriv, sizeof(struct ht_priv));
605 }
606
update_hw_ht_param(struct adapter * padapter)607 static void update_hw_ht_param(struct adapter *padapter)
608 {
609 unsigned char max_AMPDU_len;
610 unsigned char min_MPDU_spacing;
611 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
612 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
613
614 /* handle A-MPDU parameter field
615 *
616 * AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
617 * AMPDU_para [4:2]:Min MPDU Start Spacing
618 */
619 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
620
621 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
622
623 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
624
625 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
626
627 /* */
628 /* Config SM Power Save setting */
629 /* */
630 pmlmeinfo->SM_PS = (le16_to_cpu(
631 pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info
632 ) & 0x0C) >> 2;
633
634 /* */
635 /* Config current HT Protection mode. */
636 /* */
637 /* pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; */
638 }
639
start_bss_network(struct adapter * padapter)640 void start_bss_network(struct adapter *padapter)
641 {
642 u8 *p;
643 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
644 u16 bcn_interval;
645 u32 acparm;
646 int ie_len;
647 struct registry_priv *pregpriv = &padapter->registrypriv;
648 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
649 struct security_priv *psecuritypriv = &padapter->securitypriv;
650 struct wlan_bssid_ex
651 *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
652 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
653 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
654 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
655 struct HT_info_element *pht_info = NULL;
656 u8 cbw40_enable = 0;
657
658 bcn_interval = (u16)pnetwork->configuration.beacon_period;
659 cur_channel = pnetwork->configuration.ds_config;
660 cur_bwmode = CHANNEL_WIDTH_20;
661 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
662
663 /* check if there is wps ie, */
664 /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
665 /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
666 if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_,
667 pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
668 pmlmeext->bstart_bss = true;
669
670 /* todo: update wmm, ht cap */
671 /* pmlmeinfo->WMM_enable; */
672 /* pmlmeinfo->HT_enable; */
673 if (pmlmepriv->qospriv.qos_option)
674 pmlmeinfo->WMM_enable = true;
675 if (pmlmepriv->htpriv.ht_option) {
676 pmlmeinfo->WMM_enable = true;
677 pmlmeinfo->HT_enable = true;
678 /* pmlmeinfo->HT_info_enable = true; */
679 /* pmlmeinfo->HT_caps_enable = true; */
680
681 update_hw_ht_param(padapter);
682 }
683
684 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
685
686 /* WEP Key will be set before this function, do not clear CAM. */
687 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
688 (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
689 flush_all_cam_entry(padapter); /* clear CAM */
690 }
691
692 /* set MSR to AP_Mode */
693 Set_MSR(padapter, _HW_STATE_AP_);
694
695 /* Set BSSID REG */
696 rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->mac_address);
697
698 /* Set EDCA param reg */
699 acparm = 0x002F3217; /* VO */
700 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
701 acparm = 0x005E4317; /* VI */
702 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
703 /* acparm = 0x00105320; // BE */
704 acparm = 0x005ea42b;
705 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
706 acparm = 0x0000A444; /* BK */
707 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
708
709 /* Set Security */
710 val8 = (
711 psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X
712 ) ? 0xcc : 0xcf;
713 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
714
715 /* Beacon Control related register */
716 rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
717
718 rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL);
719
720 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
721 /* u32 initialgain; */
722
723 /* initialgain = 0x1e; */
724
725 /* disable dynamic functions, such as high power, DIG */
726 /* Save_DM_Func_Flag(padapter); */
727 /* Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); */
728
729 /* turn on all dynamic functions */
730 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
731
732 /* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */
733 }
734
735 /* set channel, bwmode */
736 p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fix_ie)),
737 WLAN_EID_HT_OPERATION,
738 &ie_len,
739 (pnetwork->ie_length - sizeof(struct ndis_802_11_fix_ie))
740 );
741 if (p && ie_len) {
742 pht_info = (struct HT_info_element *)(p + 2);
743
744 if ((pregpriv->bw_mode & 0x0f) > 0)
745 cbw40_enable = 1;
746
747 if ((cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
748 /* switch to the 40M Hz mode */
749 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
750 cur_bwmode = CHANNEL_WIDTH_40;
751 switch (pht_info->infos[0] & 0x3) {
752 case 1:
753 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */
754 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
755 break;
756
757 case 3:
758 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; */
759 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
760 break;
761
762 default:
763 /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; */
764 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
765 break;
766 }
767 }
768 }
769
770 set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
771 pmlmeext->cur_channel = cur_channel;
772 pmlmeext->cur_bwmode = cur_bwmode;
773 pmlmeext->cur_ch_offset = cur_ch_offset;
774 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
775
776 /* let pnetwork_mlmeext == pnetwork_mlme. */
777 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->length);
778
779 /* update cur_wireless_mode */
780 update_wireless_mode(padapter);
781
782 /* update RRSR after set channel and bandwidth */
783 UpdateBrateTbl(padapter, pnetwork->supported_rates);
784 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->supported_rates);
785
786 /* update capability after cur_wireless_mode updated */
787 update_capinfo(
788 padapter,
789 rtw_get_capability((struct wlan_bssid_ex *)pnetwork)
790 );
791
792 if (pmlmeext->bstart_bss) {
793 update_beacon(padapter, WLAN_EID_TIM, NULL, true);
794
795 /* issue beacon frame */
796 send_beacon(padapter);
797 }
798
799 /* update bc/mc sta_info */
800 update_bmc_sta(padapter);
801
802 /* pmlmeext->bstart_bss = true; */
803 }
804
rtw_check_beacon_data(struct adapter * padapter,u8 * pbuf,int len)805 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
806 {
807 int ret = _SUCCESS;
808 u8 *p;
809 u8 *pHT_caps_ie = NULL;
810 u8 *pHT_info_ie = NULL;
811 struct sta_info *psta = NULL;
812 u16 cap, ht_cap = false;
813 uint ie_len = 0;
814 int group_cipher, pairwise_cipher;
815 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
816 int supportRateNum = 0;
817 u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
818 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
819 struct registry_priv *pregistrypriv = &padapter->registrypriv;
820 struct security_priv *psecuritypriv = &padapter->securitypriv;
821 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
822 struct wlan_bssid_ex
823 *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
824 u8 *ie = pbss_network->ies;
825
826 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
827 return _FAIL;
828
829 if (len < 0 || len > MAX_IE_SZ)
830 return _FAIL;
831
832 pbss_network->ie_length = len;
833
834 memset(ie, 0, MAX_IE_SZ);
835
836 memcpy(ie, pbuf, pbss_network->ie_length);
837
838 if (pbss_network->infrastructure_mode != Ndis802_11APMode)
839 return _FAIL;
840
841 pbss_network->rssi = 0;
842
843 memcpy(pbss_network->mac_address, myid(&padapter->eeprompriv), ETH_ALEN);
844
845 /* beacon interval */
846 p = rtw_get_beacon_interval_from_ie(ie);/* ie + 8; 8: TimeStamp, 2: Beacon Interval 2:Capability */
847 /* pbss_network->configuration.beacon_period = le16_to_cpu(*(unsigned short*)p); */
848 pbss_network->configuration.beacon_period = get_unaligned_le16(p);
849
850 /* capability */
851 /* cap = *(unsigned short *)rtw_get_capability_from_ie(ie); */
852 /* cap = le16_to_cpu(cap); */
853 cap = get_unaligned_le16(ie);
854
855 /* SSID */
856 p = rtw_get_ie(
857 ie + _BEACON_IE_OFFSET_,
858 WLAN_EID_SSID,
859 &ie_len,
860 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
861 );
862 if (p && ie_len > 0) {
863 memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid));
864 memcpy(pbss_network->ssid.ssid, (p + 2), ie_len);
865 pbss_network->ssid.ssid_length = ie_len;
866 }
867
868 /* channel */
869 channel = 0;
870 pbss_network->configuration.length = 0;
871 p = rtw_get_ie(
872 ie + _BEACON_IE_OFFSET_,
873 WLAN_EID_DS_PARAMS, &ie_len,
874 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
875 );
876 if (p && ie_len > 0)
877 channel = *(p + 2);
878
879 pbss_network->configuration.ds_config = channel;
880
881 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
882 /* get supported rates */
883 p = rtw_get_ie(
884 ie + _BEACON_IE_OFFSET_,
885 WLAN_EID_SUPP_RATES,
886 &ie_len,
887 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
888 );
889 if (p) {
890 memcpy(supportRate, p + 2, ie_len);
891 supportRateNum = ie_len;
892 }
893
894 /* get ext_supported rates */
895 p = rtw_get_ie(
896 ie + _BEACON_IE_OFFSET_,
897 WLAN_EID_EXT_SUPP_RATES,
898 &ie_len,
899 pbss_network->ie_length - _BEACON_IE_OFFSET_
900 );
901 if (p) {
902 memcpy(supportRate + supportRateNum, p + 2, ie_len);
903 supportRateNum += ie_len;
904 }
905
906 network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
907
908 rtw_set_supported_rate(pbss_network->supported_rates, network_type);
909
910 /* parsing ERP_IE */
911 p = rtw_get_ie(
912 ie + _BEACON_IE_OFFSET_,
913 WLAN_EID_ERP_INFO,
914 &ie_len,
915 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
916 );
917 if (p && ie_len > 0)
918 ERP_IE_handler(padapter, (struct ndis_80211_var_ie *)p);
919
920 /* update privacy/security */
921 if (cap & BIT(4))
922 pbss_network->privacy = 1;
923 else
924 pbss_network->privacy = 0;
925
926 psecuritypriv->wpa_psk = 0;
927
928 /* wpa2 */
929 group_cipher = 0; pairwise_cipher = 0;
930 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
931 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
932 p = rtw_get_ie(
933 ie + _BEACON_IE_OFFSET_,
934 WLAN_EID_RSN,
935 &ie_len,
936 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
937 );
938 if (p && ie_len > 0) {
939 if (rtw_parse_wpa2_ie(
940 p,
941 ie_len + 2,
942 &group_cipher,
943 &pairwise_cipher,
944 NULL
945 ) == _SUCCESS) {
946 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
947
948 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
949 psecuritypriv->wpa_psk |= BIT(1);
950
951 psecuritypriv->wpa2_group_cipher = group_cipher;
952 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
953 }
954 }
955
956 /* wpa */
957 ie_len = 0;
958 group_cipher = 0; pairwise_cipher = 0;
959 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
960 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
961 for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
962 p = rtw_get_ie(
963 p,
964 WLAN_EID_VENDOR_SPECIFIC,
965 &ie_len,
966 (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
967 );
968 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
969 if (rtw_parse_wpa_ie(
970 p,
971 ie_len + 2,
972 &group_cipher,
973 &pairwise_cipher,
974 NULL
975 ) == _SUCCESS) {
976 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
977
978 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
979
980 psecuritypriv->wpa_psk |= BIT(0);
981
982 psecuritypriv->wpa_group_cipher = group_cipher;
983 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
984 }
985
986 break;
987 }
988
989 if (!p || ie_len == 0)
990 break;
991 }
992
993 /* wmm */
994 ie_len = 0;
995 pmlmepriv->qospriv.qos_option = 0;
996 if (pregistrypriv->wmm_enable) {
997 for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
998 p = rtw_get_ie(
999 p,
1000 WLAN_EID_VENDOR_SPECIFIC,
1001 &ie_len,
1002 (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
1003 );
1004 if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1005 pmlmepriv->qospriv.qos_option = 1;
1006
1007 *(p + 8) |= BIT(7);/* QoS Info, support U-APSD */
1008
1009 /* disable all ACM bits since the WMM admission */
1010 /* control is not supported */
1011 *(p + 10) &= ~BIT(4); /* BE */
1012 *(p + 14) &= ~BIT(4); /* BK */
1013 *(p + 18) &= ~BIT(4); /* VI */
1014 *(p + 22) &= ~BIT(4); /* VO */
1015
1016 break;
1017 }
1018
1019 if (!p || ie_len == 0)
1020 break;
1021 }
1022 }
1023
1024 /* parsing HT_CAP_IE */
1025 p = rtw_get_ie(
1026 ie + _BEACON_IE_OFFSET_,
1027 WLAN_EID_HT_CAPABILITY,
1028 &ie_len,
1029 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
1030 );
1031 if (p && ie_len > 0) {
1032 u8 max_rx_ampdu_factor = 0;
1033 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1034
1035 pHT_caps_ie = p;
1036
1037 ht_cap = true;
1038 network_type |= WIRELESS_11_24N;
1039
1040 rtw_ht_use_default_setting(padapter);
1041
1042 if (pmlmepriv->htpriv.sgi_20m == false)
1043 pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_20));
1044
1045 if (pmlmepriv->htpriv.sgi_40m == false)
1046 pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_40));
1047
1048 if (!TEST_FLAG(pmlmepriv->htpriv.ldpc_cap, LDPC_HT_ENABLE_RX))
1049 pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_LDPC_CODING));
1050
1051 if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1052 pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_TX_STBC));
1053
1054 if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_RX))
1055 pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_RX_STBC_3R));
1056
1057 pht_cap->ampdu_params_info &= ~(
1058 IEEE80211_HT_CAP_AMPDU_FACTOR | IEEE80211_HT_CAP_AMPDU_DENSITY
1059 );
1060
1061 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1062 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) {
1063 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1064 (0x07 << 2));
1065 } else {
1066 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1067 0x00);
1068 }
1069
1070 rtw_hal_get_def_var(
1071 padapter,
1072 HW_VAR_MAX_RX_AMPDU_FACTOR,
1073 &max_rx_ampdu_factor
1074 );
1075 pht_cap->ampdu_params_info |= (
1076 IEEE80211_HT_CAP_AMPDU_FACTOR & max_rx_ampdu_factor
1077 ); /* set Max Rx AMPDU size to 64K */
1078
1079 pht_cap->mcs.rx_mask[0] = 0xff;
1080 pht_cap->mcs.rx_mask[1] = 0x0;
1081
1082 memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len);
1083 }
1084
1085 /* parsing HT_INFO_IE */
1086 p = rtw_get_ie(
1087 ie + _BEACON_IE_OFFSET_,
1088 WLAN_EID_HT_OPERATION,
1089 &ie_len,
1090 (pbss_network->ie_length - _BEACON_IE_OFFSET_)
1091 );
1092 if (p && ie_len > 0)
1093 pHT_info_ie = p;
1094
1095 switch (network_type) {
1096 case WIRELESS_11B:
1097 pbss_network->network_type_in_use = Ndis802_11DS;
1098 break;
1099 case WIRELESS_11G:
1100 case WIRELESS_11BG:
1101 case WIRELESS_11G_24N:
1102 case WIRELESS_11BG_24N:
1103 pbss_network->network_type_in_use = Ndis802_11OFDM24;
1104 break;
1105 default:
1106 pbss_network->network_type_in_use = Ndis802_11OFDM24;
1107 break;
1108 }
1109
1110 pmlmepriv->cur_network.network_type = network_type;
1111
1112 pmlmepriv->htpriv.ht_option = false;
1113
1114 if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1115 (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1116 /* todo: */
1117 /* ht_cap = false; */
1118 }
1119
1120 /* ht_cap */
1121 if (pregistrypriv->ht_enable && ht_cap) {
1122 pmlmepriv->htpriv.ht_option = true;
1123 pmlmepriv->qospriv.qos_option = 1;
1124
1125 if (pregistrypriv->ampdu_enable == 1)
1126 pmlmepriv->htpriv.ampdu_enable = true;
1127
1128 HT_caps_handler(padapter, (struct ndis_80211_var_ie *)pHT_caps_ie);
1129
1130 HT_info_handler(padapter, (struct ndis_80211_var_ie *)pHT_info_ie);
1131 }
1132
1133 pbss_network->length = get_wlan_bssid_ex_sz(
1134 (struct wlan_bssid_ex *)pbss_network
1135 );
1136
1137 /* issue beacon to start bss network */
1138 /* start_bss_network(padapter, (u8 *)pbss_network); */
1139 rtw_startbss_cmd(padapter, RTW_CMDF_WAIT_ACK);
1140
1141 /* alloc sta_info for ap itself */
1142 psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->mac_address);
1143 if (!psta) {
1144 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->mac_address);
1145 if (!psta)
1146 return _FAIL;
1147 }
1148
1149 /* update AP's sta info */
1150 update_ap_info(padapter, psta);
1151
1152 psta->state |= WIFI_AP_STATE; /* Aries, add, fix bug of flush_cam_entry at STOP AP mode , 0724 */
1153 rtw_indicate_connect(padapter);
1154
1155 pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1156
1157 /* update bc/mc sta_info */
1158 /* update_bmc_sta(padapter); */
1159
1160 return ret;
1161 }
1162
rtw_set_macaddr_acl(struct adapter * padapter,int mode)1163 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1164 {
1165 struct sta_priv *pstapriv = &padapter->stapriv;
1166 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1167
1168 pacl_list->mode = mode;
1169 }
1170
rtw_acl_add_sta(struct adapter * padapter,u8 * addr)1171 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1172 {
1173 struct list_head *plist, *phead;
1174 u8 added = false;
1175 int i, ret = 0;
1176 struct rtw_wlan_acl_node *paclnode;
1177 struct sta_priv *pstapriv = &padapter->stapriv;
1178 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1179 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1180
1181 if ((NUM_ACL - 1) < pacl_list->num)
1182 return (-1);
1183
1184 spin_lock_bh(&pacl_node_q->lock);
1185
1186 phead = get_list_head(pacl_node_q);
1187 list_for_each(plist, phead) {
1188 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1189
1190 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1191 if (paclnode->valid == true) {
1192 added = true;
1193 break;
1194 }
1195 }
1196 }
1197
1198 spin_unlock_bh(&pacl_node_q->lock);
1199
1200 if (added)
1201 return ret;
1202
1203 spin_lock_bh(&pacl_node_q->lock);
1204
1205 for (i = 0; i < NUM_ACL; i++) {
1206 paclnode = &pacl_list->aclnode[i];
1207
1208 if (!paclnode->valid) {
1209 INIT_LIST_HEAD(&paclnode->list);
1210
1211 memcpy(paclnode->addr, addr, ETH_ALEN);
1212
1213 paclnode->valid = true;
1214
1215 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1216
1217 pacl_list->num++;
1218
1219 break;
1220 }
1221 }
1222
1223 spin_unlock_bh(&pacl_node_q->lock);
1224
1225 return ret;
1226 }
1227
rtw_acl_remove_sta(struct adapter * padapter,u8 * addr)1228 void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1229 {
1230 struct list_head *plist, *phead, *tmp;
1231 struct rtw_wlan_acl_node *paclnode;
1232 struct sta_priv *pstapriv = &padapter->stapriv;
1233 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1234 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1235
1236 spin_lock_bh(&pacl_node_q->lock);
1237
1238 phead = get_list_head(pacl_node_q);
1239 list_for_each_safe(plist, tmp, phead) {
1240 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1241
1242 if (
1243 !memcmp(paclnode->addr, addr, ETH_ALEN) ||
1244 is_broadcast_ether_addr(addr)
1245 ) {
1246 if (paclnode->valid) {
1247 paclnode->valid = false;
1248
1249 list_del_init(&paclnode->list);
1250
1251 pacl_list->num--;
1252 }
1253 }
1254 }
1255
1256 spin_unlock_bh(&pacl_node_q->lock);
1257
1258 }
1259
rtw_ap_set_pairwise_key(struct adapter * padapter,struct sta_info * psta)1260 u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta)
1261 {
1262 struct cmd_obj *ph2c;
1263 struct set_stakey_parm *psetstakey_para;
1264 struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
1265 u8 res = _SUCCESS;
1266
1267 ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
1268 if (!ph2c) {
1269 res = _FAIL;
1270 goto exit;
1271 }
1272
1273 psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm));
1274 if (!psetstakey_para) {
1275 kfree(ph2c);
1276 res = _FAIL;
1277 goto exit;
1278 }
1279
1280 init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
1281
1282 psetstakey_para->algorithm = (u8)psta->dot118021XPrivacy;
1283
1284 memcpy(psetstakey_para->addr, psta->hwaddr, ETH_ALEN);
1285
1286 memcpy(psetstakey_para->key, &psta->dot118021x_UncstKey, 16);
1287
1288 res = rtw_enqueue_cmd(pcmdpriv, ph2c);
1289
1290 exit:
1291
1292 return res;
1293 }
1294
rtw_ap_set_key(struct adapter * padapter,u8 * key,u8 alg,int keyid,u8 set_tx)1295 static int rtw_ap_set_key(
1296 struct adapter *padapter,
1297 u8 *key,
1298 u8 alg,
1299 int keyid,
1300 u8 set_tx
1301 )
1302 {
1303 u8 keylen;
1304 struct cmd_obj *pcmd;
1305 struct setkey_parm *psetkeyparm;
1306 struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
1307 int res = _SUCCESS;
1308
1309 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1310 if (!pcmd) {
1311 res = _FAIL;
1312 goto exit;
1313 }
1314 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1315 if (!psetkeyparm) {
1316 kfree(pcmd);
1317 res = _FAIL;
1318 goto exit;
1319 }
1320
1321 psetkeyparm->keyid = (u8)keyid;
1322 if (is_wep_enc(alg))
1323 padapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1324
1325 psetkeyparm->algorithm = alg;
1326
1327 psetkeyparm->set_tx = set_tx;
1328
1329 switch (alg) {
1330 case _WEP40_:
1331 keylen = 5;
1332 break;
1333 case _WEP104_:
1334 keylen = 13;
1335 break;
1336 case _TKIP_:
1337 case _TKIP_WTMIC_:
1338 case _AES_:
1339 default:
1340 keylen = 16;
1341 }
1342
1343 memcpy(&psetkeyparm->key[0], key, keylen);
1344
1345 pcmd->cmdcode = _SetKey_CMD_;
1346 pcmd->parmbuf = (u8 *)psetkeyparm;
1347 pcmd->cmdsz = (sizeof(struct setkey_parm));
1348 pcmd->rsp = NULL;
1349 pcmd->rspsz = 0;
1350
1351 INIT_LIST_HEAD(&pcmd->list);
1352
1353 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1354
1355 exit:
1356
1357 return res;
1358 }
1359
rtw_ap_set_group_key(struct adapter * padapter,u8 * key,u8 alg,int keyid)1360 int rtw_ap_set_group_key(struct adapter *padapter, u8 *key, u8 alg, int keyid)
1361 {
1362 return rtw_ap_set_key(padapter, key, alg, keyid, 1);
1363 }
1364
rtw_ap_set_wep_key(struct adapter * padapter,u8 * key,u8 keylen,int keyid,u8 set_tx)1365 int rtw_ap_set_wep_key(
1366 struct adapter *padapter,
1367 u8 *key,
1368 u8 keylen,
1369 int keyid,
1370 u8 set_tx
1371 )
1372 {
1373 u8 alg;
1374
1375 switch (keylen) {
1376 case 5:
1377 alg = _WEP40_;
1378 break;
1379 case 13:
1380 alg = _WEP104_;
1381 break;
1382 default:
1383 alg = _NO_PRIVACY_;
1384 }
1385
1386 return rtw_ap_set_key(padapter, key, alg, keyid, set_tx);
1387 }
1388
update_bcn_fixed_ie(struct adapter * padapter)1389 static void update_bcn_fixed_ie(struct adapter *padapter)
1390 {
1391 }
1392
update_bcn_erpinfo_ie(struct adapter * padapter)1393 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1394 {
1395 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1396 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1397 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1398 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1399 unsigned char *p, *ie = pnetwork->ies;
1400 u32 len = 0;
1401
1402 if (!pmlmeinfo->ERP_enable)
1403 return;
1404
1405 /* parsing ERP_IE */
1406 p = rtw_get_ie(
1407 ie + _BEACON_IE_OFFSET_,
1408 WLAN_EID_ERP_INFO,
1409 &len,
1410 (pnetwork->ie_length - _BEACON_IE_OFFSET_)
1411 );
1412 if (p && len > 0) {
1413 struct ndis_80211_var_ie *pIE = (struct ndis_80211_var_ie *)p;
1414
1415 if (pmlmepriv->num_sta_non_erp == 1)
1416 pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION;
1417 else
1418 pIE->data[0] &= ~(
1419 RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION
1420 );
1421
1422 if (pmlmepriv->num_sta_no_short_preamble > 0)
1423 pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1424 else
1425 pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1426
1427 ERP_IE_handler(padapter, pIE);
1428 }
1429 }
1430
update_bcn_htcap_ie(struct adapter * padapter)1431 static void update_bcn_htcap_ie(struct adapter *padapter)
1432 {
1433 }
1434
update_bcn_htinfo_ie(struct adapter * padapter)1435 static void update_bcn_htinfo_ie(struct adapter *padapter)
1436 {
1437 }
1438
update_bcn_rsn_ie(struct adapter * padapter)1439 static void update_bcn_rsn_ie(struct adapter *padapter)
1440 {
1441 }
1442
update_bcn_wpa_ie(struct adapter * padapter)1443 static void update_bcn_wpa_ie(struct adapter *padapter)
1444 {
1445 }
1446
update_bcn_wmm_ie(struct adapter * padapter)1447 static void update_bcn_wmm_ie(struct adapter *padapter)
1448 {
1449 }
1450
update_bcn_wps_ie(struct adapter * padapter)1451 static void update_bcn_wps_ie(struct adapter *padapter)
1452 {
1453 u8 *pwps_ie = NULL;
1454 u8 *pwps_ie_src;
1455 u8 *premainder_ie;
1456 u8 *pbackup_remainder_ie = NULL;
1457
1458 uint wps_ielen = 0, wps_offset, remainder_ielen;
1459 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1460 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1461 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1462 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1463 unsigned char *ie = pnetwork->ies;
1464 u32 ielen = pnetwork->ie_length;
1465
1466 pwps_ie = rtw_get_wps_ie(
1467 ie + _FIXED_IE_LENGTH_,
1468 ielen - _FIXED_IE_LENGTH_,
1469 NULL,
1470 &wps_ielen
1471 );
1472
1473 if (!pwps_ie || wps_ielen == 0)
1474 return;
1475
1476 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1477 if (!pwps_ie_src)
1478 return;
1479
1480 wps_offset = (uint)(pwps_ie - ie);
1481
1482 premainder_ie = pwps_ie + wps_ielen;
1483
1484 remainder_ielen = ielen - wps_offset - wps_ielen;
1485
1486 if (remainder_ielen > 0) {
1487 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1488 if (pbackup_remainder_ie)
1489 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1490 }
1491
1492 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1493 if ((wps_offset + wps_ielen + 2 + remainder_ielen) <= MAX_IE_SZ) {
1494 memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2);
1495 pwps_ie += (wps_ielen+2);
1496
1497 if (pbackup_remainder_ie)
1498 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1499
1500 /* update ie_length */
1501 pnetwork->ie_length = wps_offset + (wps_ielen + 2) + remainder_ielen;
1502 }
1503
1504 kfree(pbackup_remainder_ie);
1505 }
1506
update_bcn_p2p_ie(struct adapter * padapter)1507 static void update_bcn_p2p_ie(struct adapter *padapter)
1508 {
1509 }
1510
update_bcn_vendor_spec_ie(struct adapter * padapter,u8 * oui)1511 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1512 {
1513 if (!memcmp(RTW_WPA_OUI, oui, 4))
1514 update_bcn_wpa_ie(padapter);
1515
1516 else if (!memcmp(WMM_OUI, oui, 4))
1517 update_bcn_wmm_ie(padapter);
1518
1519 else if (!memcmp(WPS_OUI, oui, 4))
1520 update_bcn_wps_ie(padapter);
1521
1522 else if (!memcmp(P2P_OUI, oui, 4))
1523 update_bcn_p2p_ie(padapter);
1524 }
1525
update_beacon(struct adapter * padapter,u8 ie_id,u8 * oui,u8 tx)1526 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1527 {
1528 struct mlme_priv *pmlmepriv;
1529 struct mlme_ext_priv *pmlmeext;
1530 /* struct mlme_ext_info *pmlmeinfo; */
1531
1532 if (!padapter)
1533 return;
1534
1535 pmlmepriv = &padapter->mlmepriv;
1536 pmlmeext = &padapter->mlmeextpriv;
1537 /* pmlmeinfo = &(pmlmeext->mlmext_info); */
1538
1539 if (!pmlmeext->bstart_bss)
1540 return;
1541
1542 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1543
1544 switch (ie_id) {
1545 case 0xFF:
1546
1547 update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1548
1549 break;
1550
1551 case WLAN_EID_TIM:
1552
1553 update_BCNTIM(padapter);
1554
1555 break;
1556
1557 case WLAN_EID_ERP_INFO:
1558
1559 update_bcn_erpinfo_ie(padapter);
1560
1561 break;
1562
1563 case WLAN_EID_HT_CAPABILITY:
1564
1565 update_bcn_htcap_ie(padapter);
1566
1567 break;
1568
1569 case WLAN_EID_RSN:
1570
1571 update_bcn_rsn_ie(padapter);
1572
1573 break;
1574
1575 case WLAN_EID_HT_OPERATION:
1576
1577 update_bcn_htinfo_ie(padapter);
1578
1579 break;
1580
1581 case WLAN_EID_VENDOR_SPECIFIC:
1582
1583 update_bcn_vendor_spec_ie(padapter, oui);
1584
1585 break;
1586
1587 default:
1588 break;
1589 }
1590
1591 pmlmepriv->update_bcn = true;
1592
1593 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1594
1595 if (tx) {
1596 /* send_beacon(padapter);//send_beacon must execute on TSR level */
1597 set_tx_beacon_cmd(padapter);
1598 }
1599 }
1600
1601 /*
1602 * op_mode
1603 * Set to 0 (HT pure) under the following conditions
1604 * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1605 * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1606 * Set to 1 (HT non-member protection) if there may be non-HT STAs
1607 * in both the primary and the secondary channel
1608 * Set to 2 if only HT STAs are associated in BSS,
1609 * however and at least one 20 MHz HT STA is associated
1610 * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1611 * (currently non-GF HT station is considered as non-HT STA also)
1612 */
rtw_ht_operation_update(struct adapter * padapter)1613 static int rtw_ht_operation_update(struct adapter *padapter)
1614 {
1615 u16 cur_op_mode, new_op_mode;
1616 int op_mode_changes = 0;
1617 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1618 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1619
1620 if (pmlmepriv->htpriv.ht_option)
1621 return 0;
1622
1623 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1624 && pmlmepriv->num_sta_ht_no_gf) {
1625 pmlmepriv->ht_op_mode |=
1626 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1627 op_mode_changes++;
1628 } else if ((pmlmepriv->ht_op_mode &
1629 IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1630 pmlmepriv->num_sta_ht_no_gf == 0) {
1631 pmlmepriv->ht_op_mode &=
1632 ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1633 op_mode_changes++;
1634 }
1635
1636 if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1637 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1638 pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1639 op_mode_changes++;
1640 } else if ((pmlmepriv->ht_op_mode &
1641 IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1642 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1643 pmlmepriv->ht_op_mode &=
1644 ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1645 op_mode_changes++;
1646 }
1647
1648 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1649 * station is associated. Probably it's a theoretical case, since
1650 * it looks like all known HT STAs support greenfield.
1651 */
1652 new_op_mode = 0;
1653 if (pmlmepriv->num_sta_no_ht ||
1654 (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1655 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1656 else if (
1657 (le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH)
1658 && pmlmepriv->num_sta_ht_20mhz)
1659 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1660 else if (pmlmepriv->olbc_ht)
1661 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1662 else
1663 new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1664
1665 cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1666 if (cur_op_mode != new_op_mode) {
1667 pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1668 pmlmepriv->ht_op_mode |= new_op_mode;
1669 op_mode_changes++;
1670 }
1671
1672 return op_mode_changes;
1673 }
1674
associated_clients_update(struct adapter * padapter,u8 updated)1675 void associated_clients_update(struct adapter *padapter, u8 updated)
1676 {
1677 /* update associated stations cap. */
1678 if (updated) {
1679 struct list_head *phead, *plist;
1680 struct sta_info *psta = NULL;
1681 struct sta_priv *pstapriv = &padapter->stapriv;
1682
1683 spin_lock_bh(&pstapriv->asoc_list_lock);
1684
1685 phead = &pstapriv->asoc_list;
1686 /* check asoc_queue */
1687 list_for_each(plist, phead) {
1688 psta = list_entry(plist, struct sta_info, asoc_list);
1689
1690 VCS_update(padapter, psta);
1691 }
1692
1693 spin_unlock_bh(&pstapriv->asoc_list_lock);
1694 }
1695 }
1696
1697 /* called > TSR LEVEL for USB or SDIO Interface*/
bss_cap_update_on_sta_join(struct adapter * padapter,struct sta_info * psta)1698 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1699 {
1700 u8 beacon_updated = false;
1701 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1702 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1703
1704 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1705 if (!psta->no_short_preamble_set) {
1706 psta->no_short_preamble_set = 1;
1707
1708 pmlmepriv->num_sta_no_short_preamble++;
1709
1710 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1711 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1712 beacon_updated = true;
1713 update_beacon(padapter, 0xFF, NULL, true);
1714 }
1715 }
1716 } else {
1717 if (psta->no_short_preamble_set) {
1718 psta->no_short_preamble_set = 0;
1719
1720 pmlmepriv->num_sta_no_short_preamble--;
1721
1722 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1723 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1724 beacon_updated = true;
1725 update_beacon(padapter, 0xFF, NULL, true);
1726 }
1727 }
1728 }
1729
1730 if (psta->flags & WLAN_STA_NONERP) {
1731 if (!psta->nonerp_set) {
1732 psta->nonerp_set = 1;
1733
1734 pmlmepriv->num_sta_non_erp++;
1735
1736 if (pmlmepriv->num_sta_non_erp == 1) {
1737 beacon_updated = true;
1738 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1739 }
1740 }
1741 } else {
1742 if (psta->nonerp_set) {
1743 psta->nonerp_set = 0;
1744
1745 pmlmepriv->num_sta_non_erp--;
1746
1747 if (pmlmepriv->num_sta_non_erp == 0) {
1748 beacon_updated = true;
1749 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1750 }
1751 }
1752 }
1753
1754 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1755 if (!psta->no_short_slot_time_set) {
1756 psta->no_short_slot_time_set = 1;
1757
1758 pmlmepriv->num_sta_no_short_slot_time++;
1759
1760 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1761 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1762 beacon_updated = true;
1763 update_beacon(padapter, 0xFF, NULL, true);
1764 }
1765 }
1766 } else {
1767 if (psta->no_short_slot_time_set) {
1768 psta->no_short_slot_time_set = 0;
1769
1770 pmlmepriv->num_sta_no_short_slot_time--;
1771
1772 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1773 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1774 beacon_updated = true;
1775 update_beacon(padapter, 0xFF, NULL, true);
1776 }
1777 }
1778 }
1779
1780 if (psta->flags & WLAN_STA_HT) {
1781 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1782
1783 if (psta->no_ht_set) {
1784 psta->no_ht_set = 0;
1785 pmlmepriv->num_sta_no_ht--;
1786 }
1787
1788 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1789 if (!psta->no_ht_gf_set) {
1790 psta->no_ht_gf_set = 1;
1791 pmlmepriv->num_sta_ht_no_gf++;
1792 }
1793 }
1794
1795 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1796 if (!psta->ht_20mhz_set) {
1797 psta->ht_20mhz_set = 1;
1798 pmlmepriv->num_sta_ht_20mhz++;
1799 }
1800 }
1801
1802 } else {
1803 if (!psta->no_ht_set) {
1804 psta->no_ht_set = 1;
1805 pmlmepriv->num_sta_no_ht++;
1806 }
1807 }
1808
1809 if (rtw_ht_operation_update(padapter) > 0) {
1810 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1811 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1812 }
1813
1814 /* update associated stations cap. */
1815 associated_clients_update(padapter, beacon_updated);
1816 }
1817
bss_cap_update_on_sta_leave(struct adapter * padapter,struct sta_info * psta)1818 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1819 {
1820 u8 beacon_updated = false;
1821 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1822 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1823
1824 if (!psta)
1825 return beacon_updated;
1826
1827 if (psta->no_short_preamble_set) {
1828 psta->no_short_preamble_set = 0;
1829 pmlmepriv->num_sta_no_short_preamble--;
1830 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1831 && pmlmepriv->num_sta_no_short_preamble == 0){
1832 beacon_updated = true;
1833 update_beacon(padapter, 0xFF, NULL, true);
1834 }
1835 }
1836
1837 if (psta->nonerp_set) {
1838 psta->nonerp_set = 0;
1839 pmlmepriv->num_sta_non_erp--;
1840 if (pmlmepriv->num_sta_non_erp == 0) {
1841 beacon_updated = true;
1842 update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1843 }
1844 }
1845
1846 if (psta->no_short_slot_time_set) {
1847 psta->no_short_slot_time_set = 0;
1848 pmlmepriv->num_sta_no_short_slot_time--;
1849 if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1850 && pmlmepriv->num_sta_no_short_slot_time == 0){
1851 beacon_updated = true;
1852 update_beacon(padapter, 0xFF, NULL, true);
1853 }
1854 }
1855
1856 if (psta->no_ht_gf_set) {
1857 psta->no_ht_gf_set = 0;
1858 pmlmepriv->num_sta_ht_no_gf--;
1859 }
1860
1861 if (psta->no_ht_set) {
1862 psta->no_ht_set = 0;
1863 pmlmepriv->num_sta_no_ht--;
1864 }
1865
1866 if (psta->ht_20mhz_set) {
1867 psta->ht_20mhz_set = 0;
1868 pmlmepriv->num_sta_ht_20mhz--;
1869 }
1870
1871 if (rtw_ht_operation_update(padapter) > 0) {
1872 update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1873 update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1874 }
1875
1876 return beacon_updated;
1877 }
1878
ap_free_sta(struct adapter * padapter,struct sta_info * psta,bool active,u16 reason)1879 u8 ap_free_sta(
1880 struct adapter *padapter,
1881 struct sta_info *psta,
1882 bool active,
1883 u16 reason
1884 )
1885 {
1886 u8 beacon_updated = false;
1887
1888 if (!psta)
1889 return beacon_updated;
1890
1891 if (active) {
1892 /* tear down Rx AMPDU */
1893 send_delba(padapter, 0, psta->hwaddr);/* recipient */
1894
1895 /* tear down TX AMPDU */
1896 send_delba(padapter, 1, psta->hwaddr);/* // originator */
1897
1898 issue_deauth(padapter, psta->hwaddr, reason);
1899 }
1900
1901 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1902 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1903
1904 /* report_del_sta_event(padapter, psta->hwaddr, reason); */
1905
1906 /* clear cam entry / key */
1907 rtw_clearstakey_cmd(padapter, psta, true);
1908
1909 spin_lock_bh(&psta->lock);
1910 psta->state &= ~_FW_LINKED;
1911 spin_unlock_bh(&psta->lock);
1912
1913 rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1914
1915 report_del_sta_event(padapter, psta->hwaddr, reason);
1916
1917 beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1918
1919 rtw_free_stainfo(padapter, psta);
1920
1921 return beacon_updated;
1922 }
1923
rtw_sta_flush(struct adapter * padapter)1924 void rtw_sta_flush(struct adapter *padapter)
1925 {
1926 struct list_head *phead, *plist, *tmp;
1927 struct sta_info *psta = NULL;
1928 struct sta_priv *pstapriv = &padapter->stapriv;
1929 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1930 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1931 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1932
1933 if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1934 return;
1935
1936 spin_lock_bh(&pstapriv->asoc_list_lock);
1937 phead = &pstapriv->asoc_list;
1938 /* free sta asoc_queue */
1939 list_for_each_safe(plist, tmp, phead) {
1940 psta = list_entry(plist, struct sta_info, asoc_list);
1941
1942 list_del_init(&psta->asoc_list);
1943 pstapriv->asoc_list_cnt--;
1944
1945 /* spin_unlock_bh(&pstapriv->asoc_list_lock); */
1946 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1947 /* spin_lock_bh(&pstapriv->asoc_list_lock); */
1948 }
1949 spin_unlock_bh(&pstapriv->asoc_list_lock);
1950
1951 issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1952
1953 associated_clients_update(padapter, true);
1954 }
1955
1956 /* called > TSR LEVEL for USB or SDIO Interface*/
sta_info_update(struct adapter * padapter,struct sta_info * psta)1957 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1958 {
1959 int flags = psta->flags;
1960 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1961
1962 /* update wmm cap. */
1963 if (WLAN_STA_WME & flags)
1964 psta->qos_option = 1;
1965 else
1966 psta->qos_option = 0;
1967
1968 if (pmlmepriv->qospriv.qos_option == 0)
1969 psta->qos_option = 0;
1970
1971 /* update 802.11n ht cap. */
1972 if (WLAN_STA_HT & flags) {
1973 psta->htpriv.ht_option = true;
1974 psta->qos_option = 1;
1975 } else {
1976 psta->htpriv.ht_option = false;
1977 }
1978
1979 if (!pmlmepriv->htpriv.ht_option)
1980 psta->htpriv.ht_option = false;
1981
1982 update_sta_info_apmode(padapter, psta);
1983 }
1984
1985 /* called >= TSR LEVEL for USB or SDIO Interface*/
ap_sta_info_defer_update(struct adapter * padapter,struct sta_info * psta)1986 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1987 {
1988 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1989 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1990
1991 if (psta->state & _FW_LINKED) {
1992 pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
1993
1994 /* add ratid */
1995 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1996 }
1997 }
1998 /* restore hw setting from sw data structures */
rtw_ap_restore_network(struct adapter * padapter)1999 void rtw_ap_restore_network(struct adapter *padapter)
2000 {
2001 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2002 struct sta_priv *pstapriv = &padapter->stapriv;
2003 struct sta_info *psta;
2004 struct security_priv *psecuritypriv = &padapter->securitypriv;
2005 struct list_head *phead, *plist;
2006 u8 chk_alive_num = 0;
2007 char chk_alive_list[NUM_STA];
2008 int i;
2009
2010 rtw_setopmode_cmd(padapter, Ndis802_11APMode, false);
2011
2012 set_channel_bwmode(
2013 padapter,
2014 pmlmeext->cur_channel,
2015 pmlmeext->cur_ch_offset,
2016 pmlmeext->cur_bwmode
2017 );
2018
2019 start_bss_network(padapter);
2020
2021 if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
2022 (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
2023 /* restore group key, WEP keys is restored in ips_leave() */
2024 rtw_set_key(
2025 padapter,
2026 psecuritypriv,
2027 psecuritypriv->dot118021XGrpKeyid,
2028 0,
2029 false
2030 );
2031 }
2032
2033 spin_lock_bh(&pstapriv->asoc_list_lock);
2034
2035 phead = &pstapriv->asoc_list;
2036 list_for_each(plist, phead) {
2037 int stainfo_offset;
2038
2039 psta = list_entry(plist, struct sta_info, asoc_list);
2040
2041 stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
2042 if (stainfo_offset_valid(stainfo_offset))
2043 chk_alive_list[chk_alive_num++] = stainfo_offset;
2044 }
2045
2046 spin_unlock_bh(&pstapriv->asoc_list_lock);
2047
2048 for (i = 0; i < chk_alive_num; i++) {
2049 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
2050
2051 if (!psta)
2052 continue;
2053
2054 if (psta->state & _FW_LINKED) {
2055 rtw_sta_media_status_rpt(padapter, psta, 1);
2056 Update_RA_Entry(padapter, psta);
2057 /* pairwise key */
2058 /* per sta pairwise key and settings */
2059 if ((psecuritypriv->dot11PrivacyAlgrthm == _TKIP_) ||
2060 (psecuritypriv->dot11PrivacyAlgrthm == _AES_)) {
2061 rtw_setstakey_cmd(padapter, psta, true, false);
2062 }
2063 }
2064 }
2065 }
2066
start_ap_mode(struct adapter * padapter)2067 void start_ap_mode(struct adapter *padapter)
2068 {
2069 int i;
2070 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2071 struct sta_priv *pstapriv = &padapter->stapriv;
2072 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2073 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2074
2075 pmlmepriv->update_bcn = false;
2076
2077 /* init_mlme_ap_info(padapter); */
2078 pmlmeext->bstart_bss = false;
2079
2080 pmlmepriv->num_sta_non_erp = 0;
2081
2082 pmlmepriv->num_sta_no_short_slot_time = 0;
2083
2084 pmlmepriv->num_sta_no_short_preamble = 0;
2085
2086 pmlmepriv->num_sta_ht_no_gf = 0;
2087 pmlmepriv->num_sta_no_ht = 0;
2088 pmlmepriv->num_sta_ht_20mhz = 0;
2089
2090 pmlmepriv->olbc = false;
2091
2092 pmlmepriv->olbc_ht = false;
2093
2094 pmlmepriv->ht_op_mode = 0;
2095
2096 for (i = 0; i < NUM_STA; i++)
2097 pstapriv->sta_aid[i] = NULL;
2098
2099 pmlmepriv->wps_beacon_ie = NULL;
2100 pmlmepriv->wps_probe_resp_ie = NULL;
2101 pmlmepriv->wps_assoc_resp_ie = NULL;
2102
2103 pmlmepriv->p2p_beacon_ie = NULL;
2104 pmlmepriv->p2p_probe_resp_ie = NULL;
2105
2106 /* for ACL */
2107 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
2108 pacl_list->num = 0;
2109 pacl_list->mode = 0;
2110 for (i = 0; i < NUM_ACL; i++) {
2111 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
2112 pacl_list->aclnode[i].valid = false;
2113 }
2114 }
2115
stop_ap_mode(struct adapter * padapter)2116 void stop_ap_mode(struct adapter *padapter)
2117 {
2118 struct list_head *phead, *plist, *tmp;
2119 struct rtw_wlan_acl_node *paclnode;
2120 struct sta_info *psta = NULL;
2121 struct sta_priv *pstapriv = &padapter->stapriv;
2122 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2123 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2124 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2125 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
2126
2127 pmlmepriv->update_bcn = false;
2128 pmlmeext->bstart_bss = false;
2129
2130 /* reset and init security priv , this can refine with rtw_reset_securitypriv */
2131 memset(
2132 (unsigned char *)&padapter->securitypriv,
2133 0,
2134 sizeof(struct security_priv)
2135 );
2136 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
2137 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
2138
2139 /* for ACL */
2140 spin_lock_bh(&pacl_node_q->lock);
2141 phead = get_list_head(pacl_node_q);
2142 list_for_each_safe(plist, tmp, phead) {
2143 paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
2144
2145 if (paclnode->valid) {
2146 paclnode->valid = false;
2147
2148 list_del_init(&paclnode->list);
2149
2150 pacl_list->num--;
2151 }
2152 }
2153 spin_unlock_bh(&pacl_node_q->lock);
2154
2155 rtw_sta_flush(padapter);
2156
2157 /* free_assoc_sta_resources */
2158 rtw_free_all_stainfo(padapter);
2159
2160 psta = rtw_get_bcmc_stainfo(padapter);
2161 rtw_free_stainfo(padapter, psta);
2162
2163 rtw_init_bcmc_stainfo(padapter);
2164
2165 rtw_free_mlme_priv_ie_data(pmlmepriv);
2166
2167 rtw_btcoex_MediaStatusNotify(padapter, 0); /* disconnect */
2168 }
2169