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 = 0;
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 (cur_channel > 14) {
745 			if ((pregpriv->bw_mode & 0xf0) > 0)
746 				cbw40_enable = 1;
747 		} else {
748 			if ((pregpriv->bw_mode & 0x0f) > 0)
749 				cbw40_enable = 1;
750 		}
751 
752 		if ((cbw40_enable) &&	 (pht_info->infos[0] & BIT(2))) {
753 			/* switch to the 40M Hz mode */
754 			/* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
755 			cur_bwmode = CHANNEL_WIDTH_40;
756 			switch (pht_info->infos[0] & 0x3) {
757 			case 1:
758 				/* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */
759 				cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
760 				break;
761 
762 			case 3:
763 				/* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; */
764 				cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
765 				break;
766 
767 			default:
768 				/* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; */
769 				cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
770 				break;
771 			}
772 		}
773 	}
774 
775 	set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
776 	pmlmeext->cur_channel = cur_channel;
777 	pmlmeext->cur_bwmode = cur_bwmode;
778 	pmlmeext->cur_ch_offset = cur_ch_offset;
779 	pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
780 
781 	/* let pnetwork_mlmeext == pnetwork_mlme. */
782 	memcpy(pnetwork_mlmeext, pnetwork, pnetwork->length);
783 
784 	/* update cur_wireless_mode */
785 	update_wireless_mode(padapter);
786 
787 	/* update RRSR after set channel and bandwidth */
788 	UpdateBrateTbl(padapter, pnetwork->supported_rates);
789 	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->supported_rates);
790 
791 	/* update capability after cur_wireless_mode updated */
792 	update_capinfo(
793 		padapter,
794 		rtw_get_capability((struct wlan_bssid_ex *)pnetwork)
795 	);
796 
797 	if (pmlmeext->bstart_bss) {
798 		update_beacon(padapter, WLAN_EID_TIM, NULL, true);
799 
800 		/* issue beacon frame */
801 		send_beacon(padapter);
802 	}
803 
804 	/* update bc/mc sta_info */
805 	update_bmc_sta(padapter);
806 
807 	/* pmlmeext->bstart_bss = true; */
808 }
809 
rtw_check_beacon_data(struct adapter * padapter,u8 * pbuf,int len)810 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf,  int len)
811 {
812 	int ret = _SUCCESS;
813 	u8 *p;
814 	u8 *pHT_caps_ie = NULL;
815 	u8 *pHT_info_ie = NULL;
816 	struct sta_info *psta = NULL;
817 	u16 cap, ht_cap = false;
818 	uint ie_len = 0;
819 	int group_cipher, pairwise_cipher;
820 	u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
821 	int supportRateNum = 0;
822 	u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
823 	u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
824 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
825 	struct security_priv *psecuritypriv = &padapter->securitypriv;
826 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
827 	struct wlan_bssid_ex
828 		*pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
829 	u8 *ie = pbss_network->ies;
830 
831 	if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
832 		return _FAIL;
833 
834 	if (len < 0 || len > MAX_IE_SZ)
835 		return _FAIL;
836 
837 	pbss_network->ie_length = len;
838 
839 	memset(ie, 0, MAX_IE_SZ);
840 
841 	memcpy(ie, pbuf, pbss_network->ie_length);
842 
843 	if (pbss_network->infrastructure_mode != Ndis802_11APMode)
844 		return _FAIL;
845 
846 	pbss_network->rssi = 0;
847 
848 	memcpy(pbss_network->mac_address, myid(&(padapter->eeprompriv)), ETH_ALEN);
849 
850 	/* beacon interval */
851 	p = rtw_get_beacon_interval_from_ie(ie);/* ie + 8;	8: TimeStamp, 2: Beacon Interval 2:Capability */
852 	/* pbss_network->configuration.beacon_period = le16_to_cpu(*(unsigned short*)p); */
853 	pbss_network->configuration.beacon_period = get_unaligned_le16(p);
854 
855 	/* capability */
856 	/* cap = *(unsigned short *)rtw_get_capability_from_ie(ie); */
857 	/* cap = le16_to_cpu(cap); */
858 	cap = get_unaligned_le16(ie);
859 
860 	/* SSID */
861 	p = rtw_get_ie(
862 		ie + _BEACON_IE_OFFSET_,
863 		WLAN_EID_SSID,
864 		&ie_len,
865 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
866 	);
867 	if (p && ie_len > 0) {
868 		memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid));
869 		memcpy(pbss_network->ssid.ssid, (p + 2), ie_len);
870 		pbss_network->ssid.ssid_length = ie_len;
871 	}
872 
873 	/* channel */
874 	channel = 0;
875 	pbss_network->configuration.length = 0;
876 	p = rtw_get_ie(
877 		ie + _BEACON_IE_OFFSET_,
878 		WLAN_EID_DS_PARAMS, &ie_len,
879 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
880 	);
881 	if (p && ie_len > 0)
882 		channel = *(p + 2);
883 
884 	pbss_network->configuration.ds_config = channel;
885 
886 	memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
887 	/*  get supported rates */
888 	p = rtw_get_ie(
889 		ie + _BEACON_IE_OFFSET_,
890 		WLAN_EID_SUPP_RATES,
891 		&ie_len,
892 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
893 	);
894 	if (p) {
895 		memcpy(supportRate, p + 2, ie_len);
896 		supportRateNum = ie_len;
897 	}
898 
899 	/* get ext_supported rates */
900 	p = rtw_get_ie(
901 		ie + _BEACON_IE_OFFSET_,
902 		WLAN_EID_EXT_SUPP_RATES,
903 		&ie_len,
904 		pbss_network->ie_length - _BEACON_IE_OFFSET_
905 	);
906 	if (p) {
907 		memcpy(supportRate + supportRateNum, p + 2, ie_len);
908 		supportRateNum += ie_len;
909 	}
910 
911 	network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
912 
913 	rtw_set_supported_rate(pbss_network->supported_rates, network_type);
914 
915 	/* parsing ERP_IE */
916 	p = rtw_get_ie(
917 		ie + _BEACON_IE_OFFSET_,
918 		WLAN_EID_ERP_INFO,
919 		&ie_len,
920 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
921 	);
922 	if (p && ie_len > 0)
923 		ERP_IE_handler(padapter, (struct ndis_80211_var_ie *)p);
924 
925 	/* update privacy/security */
926 	if (cap & BIT(4))
927 		pbss_network->privacy = 1;
928 	else
929 		pbss_network->privacy = 0;
930 
931 	psecuritypriv->wpa_psk = 0;
932 
933 	/* wpa2 */
934 	group_cipher = 0; pairwise_cipher = 0;
935 	psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
936 	psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
937 	p = rtw_get_ie(
938 		ie + _BEACON_IE_OFFSET_,
939 		WLAN_EID_RSN,
940 		&ie_len,
941 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
942 	);
943 	if (p && ie_len > 0) {
944 		if (rtw_parse_wpa2_ie(
945 			p,
946 			ie_len + 2,
947 			&group_cipher,
948 			&pairwise_cipher,
949 			NULL
950 		) == _SUCCESS) {
951 			psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
952 
953 			psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
954 			psecuritypriv->wpa_psk |= BIT(1);
955 
956 			psecuritypriv->wpa2_group_cipher = group_cipher;
957 			psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
958 		}
959 	}
960 
961 	/* wpa */
962 	ie_len = 0;
963 	group_cipher = 0; pairwise_cipher = 0;
964 	psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
965 	psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
966 	for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
967 		p = rtw_get_ie(
968 			p,
969 			WLAN_EID_VENDOR_SPECIFIC,
970 			&ie_len,
971 			(pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
972 		);
973 		if ((p) && (!memcmp(p + 2, OUI1, 4))) {
974 			if (rtw_parse_wpa_ie(
975 				p,
976 				ie_len + 2,
977 				&group_cipher,
978 				&pairwise_cipher,
979 				NULL
980 			) == _SUCCESS) {
981 				psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
982 
983 				psecuritypriv->dot8021xalg = 1;/* psk,  todo:802.1x */
984 
985 				psecuritypriv->wpa_psk |= BIT(0);
986 
987 				psecuritypriv->wpa_group_cipher = group_cipher;
988 				psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
989 			}
990 
991 			break;
992 		}
993 
994 		if (!p || ie_len == 0)
995 			break;
996 	}
997 
998 	/* wmm */
999 	ie_len = 0;
1000 	pmlmepriv->qospriv.qos_option = 0;
1001 	if (pregistrypriv->wmm_enable) {
1002 		for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) {
1003 			p = rtw_get_ie(
1004 				p,
1005 				WLAN_EID_VENDOR_SPECIFIC,
1006 				&ie_len,
1007 				(pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))
1008 			);
1009 			if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1010 				pmlmepriv->qospriv.qos_option = 1;
1011 
1012 				*(p + 8) |= BIT(7);/* QoS Info, support U-APSD */
1013 
1014 				/* disable all ACM bits since the WMM admission */
1015 				/* control is not supported */
1016 				*(p + 10) &= ~BIT(4); /* BE */
1017 				*(p + 14) &= ~BIT(4); /* BK */
1018 				*(p + 18) &= ~BIT(4); /* VI */
1019 				*(p + 22) &= ~BIT(4); /* VO */
1020 
1021 				break;
1022 			}
1023 
1024 			if (!p || ie_len == 0)
1025 				break;
1026 		}
1027 	}
1028 
1029 	/* parsing HT_CAP_IE */
1030 	p = rtw_get_ie(
1031 		ie + _BEACON_IE_OFFSET_,
1032 		WLAN_EID_HT_CAPABILITY,
1033 		&ie_len,
1034 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
1035 	);
1036 	if (p && ie_len > 0) {
1037 		u8 max_rx_ampdu_factor = 0;
1038 		struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1039 
1040 		pHT_caps_ie = p;
1041 
1042 		ht_cap = true;
1043 		network_type |= WIRELESS_11_24N;
1044 
1045 		rtw_ht_use_default_setting(padapter);
1046 
1047 		if (pmlmepriv->htpriv.sgi_20m == false)
1048 			pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_20));
1049 
1050 		if (pmlmepriv->htpriv.sgi_40m == false)
1051 			pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_40));
1052 
1053 		if (!TEST_FLAG(pmlmepriv->htpriv.ldpc_cap, LDPC_HT_ENABLE_RX))
1054 			pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_LDPC_CODING));
1055 
1056 		if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1057 			pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_TX_STBC));
1058 
1059 		if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_RX))
1060 			pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_RX_STBC_3R));
1061 
1062 		pht_cap->ampdu_params_info &= ~(
1063 			IEEE80211_HT_CAP_AMPDU_FACTOR | IEEE80211_HT_CAP_AMPDU_DENSITY
1064 		);
1065 
1066 		if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1067 		    (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) {
1068 			pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1069 						       (0x07 << 2));
1070 		} else {
1071 			pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY &
1072 						       0x00);
1073 		}
1074 
1075 		rtw_hal_get_def_var(
1076 			padapter,
1077 			HW_VAR_MAX_RX_AMPDU_FACTOR,
1078 			&max_rx_ampdu_factor
1079 		);
1080 		pht_cap->ampdu_params_info |= (
1081 			IEEE80211_HT_CAP_AMPDU_FACTOR & max_rx_ampdu_factor
1082 		); /* set  Max Rx AMPDU size  to 64K */
1083 
1084 		pht_cap->mcs.rx_mask[0] = 0xff;
1085 		pht_cap->mcs.rx_mask[1] = 0x0;
1086 
1087 		memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len);
1088 	}
1089 
1090 	/* parsing HT_INFO_IE */
1091 	p = rtw_get_ie(
1092 		ie + _BEACON_IE_OFFSET_,
1093 		WLAN_EID_HT_OPERATION,
1094 		&ie_len,
1095 		(pbss_network->ie_length - _BEACON_IE_OFFSET_)
1096 	);
1097 	if (p && ie_len > 0)
1098 		pHT_info_ie = p;
1099 
1100 	switch (network_type) {
1101 	case WIRELESS_11B:
1102 		pbss_network->network_type_in_use = Ndis802_11DS;
1103 		break;
1104 	case WIRELESS_11G:
1105 	case WIRELESS_11BG:
1106 	case WIRELESS_11G_24N:
1107 	case WIRELESS_11BG_24N:
1108 		pbss_network->network_type_in_use = Ndis802_11OFDM24;
1109 		break;
1110 	default:
1111 		pbss_network->network_type_in_use = Ndis802_11OFDM24;
1112 		break;
1113 	}
1114 
1115 	pmlmepriv->cur_network.network_type = network_type;
1116 
1117 	pmlmepriv->htpriv.ht_option = false;
1118 
1119 	if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1120 	    (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1121 		/* todo: */
1122 		/* ht_cap = false; */
1123 	}
1124 
1125 	/* ht_cap */
1126 	if (pregistrypriv->ht_enable && ht_cap) {
1127 		pmlmepriv->htpriv.ht_option = true;
1128 		pmlmepriv->qospriv.qos_option = 1;
1129 
1130 		if (pregistrypriv->ampdu_enable == 1)
1131 			pmlmepriv->htpriv.ampdu_enable = true;
1132 
1133 		HT_caps_handler(padapter, (struct ndis_80211_var_ie *)pHT_caps_ie);
1134 
1135 		HT_info_handler(padapter, (struct ndis_80211_var_ie *)pHT_info_ie);
1136 	}
1137 
1138 	pbss_network->length = get_wlan_bssid_ex_sz(
1139 		(struct wlan_bssid_ex  *)pbss_network
1140 	);
1141 
1142 	/* issue beacon to start bss network */
1143 	/* start_bss_network(padapter, (u8 *)pbss_network); */
1144 	rtw_startbss_cmd(padapter, RTW_CMDF_WAIT_ACK);
1145 
1146 	/* alloc sta_info for ap itself */
1147 	psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->mac_address);
1148 	if (!psta) {
1149 		psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->mac_address);
1150 		if (!psta)
1151 			return _FAIL;
1152 	}
1153 
1154 	/*  update AP's sta info */
1155 	update_ap_info(padapter, psta);
1156 
1157 	psta->state |= WIFI_AP_STATE;		/* Aries, add, fix bug of flush_cam_entry at STOP AP mode , 0724 */
1158 	rtw_indicate_connect(padapter);
1159 
1160 	pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1161 
1162 	/* update bc/mc sta_info */
1163 	/* update_bmc_sta(padapter); */
1164 
1165 	return ret;
1166 }
1167 
rtw_set_macaddr_acl(struct adapter * padapter,int mode)1168 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1169 {
1170 	struct sta_priv *pstapriv = &padapter->stapriv;
1171 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1172 
1173 	pacl_list->mode = mode;
1174 }
1175 
rtw_acl_add_sta(struct adapter * padapter,u8 * addr)1176 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1177 {
1178 	struct list_head	*plist, *phead;
1179 	u8 added = false;
1180 	int i, ret = 0;
1181 	struct rtw_wlan_acl_node *paclnode;
1182 	struct sta_priv *pstapriv = &padapter->stapriv;
1183 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1184 	struct __queue	*pacl_node_q = &pacl_list->acl_node_q;
1185 
1186 	if ((NUM_ACL - 1) < pacl_list->num)
1187 		return (-1);
1188 
1189 	spin_lock_bh(&(pacl_node_q->lock));
1190 
1191 	phead = get_list_head(pacl_node_q);
1192 	list_for_each(plist, phead) {
1193 		paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1194 
1195 		if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1196 			if (paclnode->valid == true) {
1197 				added = true;
1198 				break;
1199 			}
1200 		}
1201 	}
1202 
1203 	spin_unlock_bh(&(pacl_node_q->lock));
1204 
1205 	if (added)
1206 		return ret;
1207 
1208 	spin_lock_bh(&(pacl_node_q->lock));
1209 
1210 	for (i = 0; i < NUM_ACL; i++) {
1211 		paclnode = &pacl_list->aclnode[i];
1212 
1213 		if (!paclnode->valid) {
1214 			INIT_LIST_HEAD(&paclnode->list);
1215 
1216 			memcpy(paclnode->addr, addr, ETH_ALEN);
1217 
1218 			paclnode->valid = true;
1219 
1220 			list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1221 
1222 			pacl_list->num++;
1223 
1224 			break;
1225 		}
1226 	}
1227 
1228 	spin_unlock_bh(&(pacl_node_q->lock));
1229 
1230 	return ret;
1231 }
1232 
rtw_acl_remove_sta(struct adapter * padapter,u8 * addr)1233 void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1234 {
1235 	struct list_head *plist, *phead, *tmp;
1236 	struct rtw_wlan_acl_node *paclnode;
1237 	struct sta_priv *pstapriv = &padapter->stapriv;
1238 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1239 	struct __queue	*pacl_node_q = &pacl_list->acl_node_q;
1240 
1241 	spin_lock_bh(&(pacl_node_q->lock));
1242 
1243 	phead = get_list_head(pacl_node_q);
1244 	list_for_each_safe(plist, tmp, phead) {
1245 		paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
1246 
1247 		if (
1248 			!memcmp(paclnode->addr, addr, ETH_ALEN) ||
1249 			is_broadcast_ether_addr(addr)
1250 		) {
1251 			if (paclnode->valid) {
1252 				paclnode->valid = false;
1253 
1254 				list_del_init(&paclnode->list);
1255 
1256 				pacl_list->num--;
1257 			}
1258 		}
1259 	}
1260 
1261 	spin_unlock_bh(&(pacl_node_q->lock));
1262 
1263 }
1264 
rtw_ap_set_pairwise_key(struct adapter * padapter,struct sta_info * psta)1265 u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta)
1266 {
1267 	struct cmd_obj *ph2c;
1268 	struct set_stakey_parm	*psetstakey_para;
1269 	struct cmd_priv *pcmdpriv = &padapter->cmdpriv;
1270 	u8 res = _SUCCESS;
1271 
1272 	ph2c = rtw_zmalloc(sizeof(struct cmd_obj));
1273 	if (!ph2c) {
1274 		res = _FAIL;
1275 		goto exit;
1276 	}
1277 
1278 	psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm));
1279 	if (!psetstakey_para) {
1280 		kfree(ph2c);
1281 		res = _FAIL;
1282 		goto exit;
1283 	}
1284 
1285 	init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_);
1286 
1287 	psetstakey_para->algorithm = (u8)psta->dot118021XPrivacy;
1288 
1289 	memcpy(psetstakey_para->addr, psta->hwaddr, ETH_ALEN);
1290 
1291 	memcpy(psetstakey_para->key, &psta->dot118021x_UncstKey, 16);
1292 
1293 	res = rtw_enqueue_cmd(pcmdpriv, ph2c);
1294 
1295 exit:
1296 
1297 	return res;
1298 }
1299 
rtw_ap_set_key(struct adapter * padapter,u8 * key,u8 alg,int keyid,u8 set_tx)1300 static int rtw_ap_set_key(
1301 	struct adapter *padapter,
1302 	u8 *key,
1303 	u8 alg,
1304 	int keyid,
1305 	u8 set_tx
1306 )
1307 {
1308 	u8 keylen;
1309 	struct cmd_obj *pcmd;
1310 	struct setkey_parm *psetkeyparm;
1311 	struct cmd_priv *pcmdpriv = &(padapter->cmdpriv);
1312 	int res = _SUCCESS;
1313 
1314 	pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1315 	if (!pcmd) {
1316 		res = _FAIL;
1317 		goto exit;
1318 	}
1319 	psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1320 	if (!psetkeyparm) {
1321 		kfree(pcmd);
1322 		res = _FAIL;
1323 		goto exit;
1324 	}
1325 
1326 	psetkeyparm->keyid = (u8)keyid;
1327 	if (is_wep_enc(alg))
1328 		padapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1329 
1330 	psetkeyparm->algorithm = alg;
1331 
1332 	psetkeyparm->set_tx = set_tx;
1333 
1334 	switch (alg) {
1335 	case _WEP40_:
1336 		keylen = 5;
1337 		break;
1338 	case _WEP104_:
1339 		keylen = 13;
1340 		break;
1341 	case _TKIP_:
1342 	case _TKIP_WTMIC_:
1343 	case _AES_:
1344 	default:
1345 		keylen = 16;
1346 	}
1347 
1348 	memcpy(&(psetkeyparm->key[0]), key, keylen);
1349 
1350 	pcmd->cmdcode = _SetKey_CMD_;
1351 	pcmd->parmbuf = (u8 *)psetkeyparm;
1352 	pcmd->cmdsz =  (sizeof(struct setkey_parm));
1353 	pcmd->rsp = NULL;
1354 	pcmd->rspsz = 0;
1355 
1356 	INIT_LIST_HEAD(&pcmd->list);
1357 
1358 	res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1359 
1360 exit:
1361 
1362 	return res;
1363 }
1364 
rtw_ap_set_group_key(struct adapter * padapter,u8 * key,u8 alg,int keyid)1365 int rtw_ap_set_group_key(struct adapter *padapter, u8 *key, u8 alg, int keyid)
1366 {
1367 	return rtw_ap_set_key(padapter, key, alg, keyid, 1);
1368 }
1369 
rtw_ap_set_wep_key(struct adapter * padapter,u8 * key,u8 keylen,int keyid,u8 set_tx)1370 int rtw_ap_set_wep_key(
1371 	struct adapter *padapter,
1372 	u8 *key,
1373 	u8 keylen,
1374 	int keyid,
1375 	u8 set_tx
1376 )
1377 {
1378 	u8 alg;
1379 
1380 	switch (keylen) {
1381 	case 5:
1382 		alg = _WEP40_;
1383 		break;
1384 	case 13:
1385 		alg = _WEP104_;
1386 		break;
1387 	default:
1388 		alg = _NO_PRIVACY_;
1389 	}
1390 
1391 	return rtw_ap_set_key(padapter, key, alg, keyid, set_tx);
1392 }
1393 
update_bcn_fixed_ie(struct adapter * padapter)1394 static void update_bcn_fixed_ie(struct adapter *padapter)
1395 {
1396 }
1397 
update_bcn_erpinfo_ie(struct adapter * padapter)1398 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1399 {
1400 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1401 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1402 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1403 	struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1404 	unsigned char *p, *ie = pnetwork->ies;
1405 	u32 len = 0;
1406 
1407 	if (!pmlmeinfo->ERP_enable)
1408 		return;
1409 
1410 	/* parsing ERP_IE */
1411 	p = rtw_get_ie(
1412 		ie + _BEACON_IE_OFFSET_,
1413 		WLAN_EID_ERP_INFO,
1414 		&len,
1415 		(pnetwork->ie_length - _BEACON_IE_OFFSET_)
1416 	);
1417 	if (p && len > 0) {
1418 		struct ndis_80211_var_ie *pIE = (struct ndis_80211_var_ie *)p;
1419 
1420 		if (pmlmepriv->num_sta_non_erp == 1)
1421 			pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION;
1422 		else
1423 			pIE->data[0] &= ~(
1424 				RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION
1425 			);
1426 
1427 		if (pmlmepriv->num_sta_no_short_preamble > 0)
1428 			pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1429 		else
1430 			pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1431 
1432 		ERP_IE_handler(padapter, pIE);
1433 	}
1434 }
1435 
update_bcn_htcap_ie(struct adapter * padapter)1436 static void update_bcn_htcap_ie(struct adapter *padapter)
1437 {
1438 }
1439 
update_bcn_htinfo_ie(struct adapter * padapter)1440 static void update_bcn_htinfo_ie(struct adapter *padapter)
1441 {
1442 }
1443 
update_bcn_rsn_ie(struct adapter * padapter)1444 static void update_bcn_rsn_ie(struct adapter *padapter)
1445 {
1446 }
1447 
update_bcn_wpa_ie(struct adapter * padapter)1448 static void update_bcn_wpa_ie(struct adapter *padapter)
1449 {
1450 }
1451 
update_bcn_wmm_ie(struct adapter * padapter)1452 static void update_bcn_wmm_ie(struct adapter *padapter)
1453 {
1454 }
1455 
update_bcn_wps_ie(struct adapter * padapter)1456 static void update_bcn_wps_ie(struct adapter *padapter)
1457 {
1458 	u8 *pwps_ie = NULL;
1459 	u8 *pwps_ie_src;
1460 	u8 *premainder_ie;
1461 	u8 *pbackup_remainder_ie = NULL;
1462 
1463 	uint wps_ielen = 0, wps_offset, remainder_ielen;
1464 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1465 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1466 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1467 	struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1468 	unsigned char *ie = pnetwork->ies;
1469 	u32 ielen = pnetwork->ie_length;
1470 
1471 	pwps_ie = rtw_get_wps_ie(
1472 		ie + _FIXED_IE_LENGTH_,
1473 		ielen - _FIXED_IE_LENGTH_,
1474 		NULL,
1475 		&wps_ielen
1476 	);
1477 
1478 	if (!pwps_ie || wps_ielen == 0)
1479 		return;
1480 
1481 	pwps_ie_src = pmlmepriv->wps_beacon_ie;
1482 	if (!pwps_ie_src)
1483 		return;
1484 
1485 	wps_offset = (uint)(pwps_ie - ie);
1486 
1487 	premainder_ie = pwps_ie + wps_ielen;
1488 
1489 	remainder_ielen = ielen - wps_offset - wps_ielen;
1490 
1491 	if (remainder_ielen > 0) {
1492 		pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1493 		if (pbackup_remainder_ie)
1494 			memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1495 	}
1496 
1497 	wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1498 	if ((wps_offset + wps_ielen + 2 + remainder_ielen) <= MAX_IE_SZ) {
1499 		memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2);
1500 		pwps_ie += (wps_ielen+2);
1501 
1502 		if (pbackup_remainder_ie)
1503 			memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1504 
1505 		/* update ie_length */
1506 		pnetwork->ie_length = wps_offset + (wps_ielen + 2) + remainder_ielen;
1507 	}
1508 
1509 	kfree(pbackup_remainder_ie);
1510 }
1511 
update_bcn_p2p_ie(struct adapter * padapter)1512 static void update_bcn_p2p_ie(struct adapter *padapter)
1513 {
1514 }
1515 
update_bcn_vendor_spec_ie(struct adapter * padapter,u8 * oui)1516 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1517 {
1518 	if (!memcmp(RTW_WPA_OUI, oui, 4))
1519 		update_bcn_wpa_ie(padapter);
1520 
1521 	else if (!memcmp(WMM_OUI, oui, 4))
1522 		update_bcn_wmm_ie(padapter);
1523 
1524 	else if (!memcmp(WPS_OUI, oui, 4))
1525 		update_bcn_wps_ie(padapter);
1526 
1527 	else if (!memcmp(P2P_OUI, oui, 4))
1528 		update_bcn_p2p_ie(padapter);
1529 }
1530 
update_beacon(struct adapter * padapter,u8 ie_id,u8 * oui,u8 tx)1531 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1532 {
1533 	struct mlme_priv *pmlmepriv;
1534 	struct mlme_ext_priv *pmlmeext;
1535 	/* struct mlme_ext_info *pmlmeinfo; */
1536 
1537 	if (!padapter)
1538 		return;
1539 
1540 	pmlmepriv = &(padapter->mlmepriv);
1541 	pmlmeext = &(padapter->mlmeextpriv);
1542 	/* pmlmeinfo = &(pmlmeext->mlmext_info); */
1543 
1544 	if (!pmlmeext->bstart_bss)
1545 		return;
1546 
1547 	spin_lock_bh(&pmlmepriv->bcn_update_lock);
1548 
1549 	switch (ie_id) {
1550 	case 0xFF:
1551 
1552 		update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
1553 
1554 		break;
1555 
1556 	case WLAN_EID_TIM:
1557 
1558 		update_BCNTIM(padapter);
1559 
1560 		break;
1561 
1562 	case WLAN_EID_ERP_INFO:
1563 
1564 		update_bcn_erpinfo_ie(padapter);
1565 
1566 		break;
1567 
1568 	case WLAN_EID_HT_CAPABILITY:
1569 
1570 		update_bcn_htcap_ie(padapter);
1571 
1572 		break;
1573 
1574 	case WLAN_EID_RSN:
1575 
1576 		update_bcn_rsn_ie(padapter);
1577 
1578 		break;
1579 
1580 	case WLAN_EID_HT_OPERATION:
1581 
1582 		update_bcn_htinfo_ie(padapter);
1583 
1584 		break;
1585 
1586 	case WLAN_EID_VENDOR_SPECIFIC:
1587 
1588 		update_bcn_vendor_spec_ie(padapter, oui);
1589 
1590 		break;
1591 
1592 	default:
1593 		break;
1594 	}
1595 
1596 	pmlmepriv->update_bcn = true;
1597 
1598 	spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1599 
1600 	if (tx) {
1601 		/* send_beacon(padapter);//send_beacon must execute on TSR level */
1602 		set_tx_beacon_cmd(padapter);
1603 	}
1604 }
1605 
1606 /*
1607  * op_mode
1608  * Set to 0 (HT pure) under the following conditions
1609  *	  - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1610  *	  - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1611  * Set to 1 (HT non-member protection) if there may be non-HT STAs
1612  *	  in both the primary and the secondary channel
1613  * Set to 2 if only HT STAs are associated in BSS,
1614  *	  however and at least one 20 MHz HT STA is associated
1615  * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1616  *	  (currently non-GF HT station is considered as non-HT STA also)
1617  */
rtw_ht_operation_update(struct adapter * padapter)1618 static int rtw_ht_operation_update(struct adapter *padapter)
1619 {
1620 	u16 cur_op_mode, new_op_mode;
1621 	int op_mode_changes = 0;
1622 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1623 	struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1624 
1625 	if (pmlmepriv->htpriv.ht_option)
1626 		return 0;
1627 
1628 	if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)
1629 	    && pmlmepriv->num_sta_ht_no_gf) {
1630 		pmlmepriv->ht_op_mode |=
1631 			IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1632 		op_mode_changes++;
1633 	} else if ((pmlmepriv->ht_op_mode &
1634 		    IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) &&
1635 		   pmlmepriv->num_sta_ht_no_gf == 0) {
1636 		pmlmepriv->ht_op_mode &=
1637 			~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT;
1638 		op_mode_changes++;
1639 	}
1640 
1641 	if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1642 	    (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1643 		pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1644 		op_mode_changes++;
1645 	} else if ((pmlmepriv->ht_op_mode &
1646 		    IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) &&
1647 		   (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1648 		pmlmepriv->ht_op_mode &=
1649 			~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
1650 		op_mode_changes++;
1651 	}
1652 
1653 	/* Note: currently we switch to the MIXED op mode if HT non-greenfield
1654 	 * station is associated. Probably it's a theoretical case, since
1655 	 * it looks like all known HT STAs support greenfield.
1656 	 */
1657 	new_op_mode = 0;
1658 	if (pmlmepriv->num_sta_no_ht ||
1659 	    (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT))
1660 		new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED;
1661 	else if (
1662 		(le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH)
1663 		&& pmlmepriv->num_sta_ht_20mhz)
1664 		new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ;
1665 	else if (pmlmepriv->olbc_ht)
1666 		new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER;
1667 	else
1668 		new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
1669 
1670 	cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION;
1671 	if (cur_op_mode != new_op_mode) {
1672 		pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION;
1673 		pmlmepriv->ht_op_mode |= new_op_mode;
1674 		op_mode_changes++;
1675 	}
1676 
1677 	return op_mode_changes;
1678 }
1679 
associated_clients_update(struct adapter * padapter,u8 updated)1680 void associated_clients_update(struct adapter *padapter, u8 updated)
1681 {
1682 	/* update associated stations cap. */
1683 	if (updated) {
1684 		struct list_head	*phead, *plist;
1685 		struct sta_info *psta = NULL;
1686 		struct sta_priv *pstapriv = &padapter->stapriv;
1687 
1688 		spin_lock_bh(&pstapriv->asoc_list_lock);
1689 
1690 		phead = &pstapriv->asoc_list;
1691 		/* check asoc_queue */
1692 		list_for_each(plist, phead) {
1693 			psta = list_entry(plist, struct sta_info, asoc_list);
1694 
1695 			VCS_update(padapter, psta);
1696 		}
1697 
1698 		spin_unlock_bh(&pstapriv->asoc_list_lock);
1699 	}
1700 }
1701 
1702 /* called > TSR LEVEL for USB or SDIO Interface*/
bss_cap_update_on_sta_join(struct adapter * padapter,struct sta_info * psta)1703 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1704 {
1705 	u8 beacon_updated = false;
1706 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1707 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1708 
1709 	if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1710 		if (!psta->no_short_preamble_set) {
1711 			psta->no_short_preamble_set = 1;
1712 
1713 			pmlmepriv->num_sta_no_short_preamble++;
1714 
1715 			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1716 			    (pmlmepriv->num_sta_no_short_preamble == 1)) {
1717 				beacon_updated = true;
1718 				update_beacon(padapter, 0xFF, NULL, true);
1719 			}
1720 		}
1721 	} else {
1722 		if (psta->no_short_preamble_set) {
1723 			psta->no_short_preamble_set = 0;
1724 
1725 			pmlmepriv->num_sta_no_short_preamble--;
1726 
1727 			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1728 			    (pmlmepriv->num_sta_no_short_preamble == 0)) {
1729 				beacon_updated = true;
1730 				update_beacon(padapter, 0xFF, NULL, true);
1731 			}
1732 		}
1733 	}
1734 
1735 	if (psta->flags & WLAN_STA_NONERP) {
1736 		if (!psta->nonerp_set) {
1737 			psta->nonerp_set = 1;
1738 
1739 			pmlmepriv->num_sta_non_erp++;
1740 
1741 			if (pmlmepriv->num_sta_non_erp == 1) {
1742 				beacon_updated = true;
1743 				update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1744 			}
1745 		}
1746 	} else {
1747 		if (psta->nonerp_set) {
1748 			psta->nonerp_set = 0;
1749 
1750 			pmlmepriv->num_sta_non_erp--;
1751 
1752 			if (pmlmepriv->num_sta_non_erp == 0) {
1753 				beacon_updated = true;
1754 				update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1755 			}
1756 		}
1757 	}
1758 
1759 	if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1760 		if (!psta->no_short_slot_time_set) {
1761 			psta->no_short_slot_time_set = 1;
1762 
1763 			pmlmepriv->num_sta_no_short_slot_time++;
1764 
1765 			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1766 			    (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1767 				beacon_updated = true;
1768 				update_beacon(padapter, 0xFF, NULL, true);
1769 			}
1770 		}
1771 	} else {
1772 		if (psta->no_short_slot_time_set) {
1773 			psta->no_short_slot_time_set = 0;
1774 
1775 			pmlmepriv->num_sta_no_short_slot_time--;
1776 
1777 			if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1778 			    (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1779 				beacon_updated = true;
1780 				update_beacon(padapter, 0xFF, NULL, true);
1781 			}
1782 		}
1783 	}
1784 
1785 	if (psta->flags & WLAN_STA_HT) {
1786 		u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1787 
1788 		if (psta->no_ht_set) {
1789 			psta->no_ht_set = 0;
1790 			pmlmepriv->num_sta_no_ht--;
1791 		}
1792 
1793 		if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1794 			if (!psta->no_ht_gf_set) {
1795 				psta->no_ht_gf_set = 1;
1796 				pmlmepriv->num_sta_ht_no_gf++;
1797 			}
1798 		}
1799 
1800 		if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1801 			if (!psta->ht_20mhz_set) {
1802 				psta->ht_20mhz_set = 1;
1803 				pmlmepriv->num_sta_ht_20mhz++;
1804 			}
1805 		}
1806 
1807 	} else {
1808 		if (!psta->no_ht_set) {
1809 			psta->no_ht_set = 1;
1810 			pmlmepriv->num_sta_no_ht++;
1811 		}
1812 	}
1813 
1814 	if (rtw_ht_operation_update(padapter) > 0) {
1815 		update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1816 		update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1817 	}
1818 
1819 	/* update associated stations cap. */
1820 	associated_clients_update(padapter,  beacon_updated);
1821 }
1822 
bss_cap_update_on_sta_leave(struct adapter * padapter,struct sta_info * psta)1823 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1824 {
1825 	u8 beacon_updated = false;
1826 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1827 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1828 
1829 	if (!psta)
1830 		return beacon_updated;
1831 
1832 	if (psta->no_short_preamble_set) {
1833 		psta->no_short_preamble_set = 0;
1834 		pmlmepriv->num_sta_no_short_preamble--;
1835 		if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1836 		    && pmlmepriv->num_sta_no_short_preamble == 0){
1837 			beacon_updated = true;
1838 			update_beacon(padapter, 0xFF, NULL, true);
1839 		}
1840 	}
1841 
1842 	if (psta->nonerp_set) {
1843 		psta->nonerp_set = 0;
1844 		pmlmepriv->num_sta_non_erp--;
1845 		if (pmlmepriv->num_sta_non_erp == 0) {
1846 			beacon_updated = true;
1847 			update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true);
1848 		}
1849 	}
1850 
1851 	if (psta->no_short_slot_time_set) {
1852 		psta->no_short_slot_time_set = 0;
1853 		pmlmepriv->num_sta_no_short_slot_time--;
1854 		if (pmlmeext->cur_wireless_mode > WIRELESS_11B
1855 		    && pmlmepriv->num_sta_no_short_slot_time == 0){
1856 			beacon_updated = true;
1857 			update_beacon(padapter, 0xFF, NULL, true);
1858 		}
1859 	}
1860 
1861 	if (psta->no_ht_gf_set) {
1862 		psta->no_ht_gf_set = 0;
1863 		pmlmepriv->num_sta_ht_no_gf--;
1864 	}
1865 
1866 	if (psta->no_ht_set) {
1867 		psta->no_ht_set = 0;
1868 		pmlmepriv->num_sta_no_ht--;
1869 	}
1870 
1871 	if (psta->ht_20mhz_set) {
1872 		psta->ht_20mhz_set = 0;
1873 		pmlmepriv->num_sta_ht_20mhz--;
1874 	}
1875 
1876 	if (rtw_ht_operation_update(padapter) > 0) {
1877 		update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false);
1878 		update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true);
1879 	}
1880 
1881 	return beacon_updated;
1882 }
1883 
ap_free_sta(struct adapter * padapter,struct sta_info * psta,bool active,u16 reason)1884 u8 ap_free_sta(
1885 	struct adapter *padapter,
1886 	struct sta_info *psta,
1887 	bool active,
1888 	u16 reason
1889 )
1890 {
1891 	u8 beacon_updated = false;
1892 
1893 	if (!psta)
1894 		return beacon_updated;
1895 
1896 	if (active) {
1897 		/* tear down Rx AMPDU */
1898 		send_delba(padapter, 0, psta->hwaddr);/*  recipient */
1899 
1900 		/* tear down TX AMPDU */
1901 		send_delba(padapter, 1, psta->hwaddr);/*  // originator */
1902 
1903 		issue_deauth(padapter, psta->hwaddr, reason);
1904 	}
1905 
1906 	psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1907 	psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1908 
1909 	/* report_del_sta_event(padapter, psta->hwaddr, reason); */
1910 
1911 	/* clear cam entry / key */
1912 	rtw_clearstakey_cmd(padapter, psta, true);
1913 
1914 	spin_lock_bh(&psta->lock);
1915 	psta->state &= ~_FW_LINKED;
1916 	spin_unlock_bh(&psta->lock);
1917 
1918 	rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason);
1919 
1920 	report_del_sta_event(padapter, psta->hwaddr, reason);
1921 
1922 	beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1923 
1924 	rtw_free_stainfo(padapter, psta);
1925 
1926 	return beacon_updated;
1927 }
1928 
rtw_sta_flush(struct adapter * padapter)1929 void rtw_sta_flush(struct adapter *padapter)
1930 {
1931 	struct list_head *phead, *plist, *tmp;
1932 	struct sta_info *psta = NULL;
1933 	struct sta_priv *pstapriv = &padapter->stapriv;
1934 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1935 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1936 	u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1937 
1938 	if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1939 		return;
1940 
1941 	spin_lock_bh(&pstapriv->asoc_list_lock);
1942 	phead = &pstapriv->asoc_list;
1943 	/* free sta asoc_queue */
1944 	list_for_each_safe(plist, tmp, phead) {
1945 		psta = list_entry(plist, struct sta_info, asoc_list);
1946 
1947 		list_del_init(&psta->asoc_list);
1948 		pstapriv->asoc_list_cnt--;
1949 
1950 		/* spin_unlock_bh(&pstapriv->asoc_list_lock); */
1951 		ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1952 		/* spin_lock_bh(&pstapriv->asoc_list_lock); */
1953 	}
1954 	spin_unlock_bh(&pstapriv->asoc_list_lock);
1955 
1956 	issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1957 
1958 	associated_clients_update(padapter, true);
1959 }
1960 
1961 /* called > TSR LEVEL for USB or SDIO Interface*/
sta_info_update(struct adapter * padapter,struct sta_info * psta)1962 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1963 {
1964 	int flags = psta->flags;
1965 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1966 
1967 	/* update wmm cap. */
1968 	if (WLAN_STA_WME & flags)
1969 		psta->qos_option = 1;
1970 	else
1971 		psta->qos_option = 0;
1972 
1973 	if (pmlmepriv->qospriv.qos_option == 0)
1974 		psta->qos_option = 0;
1975 
1976 	/* update 802.11n ht cap. */
1977 	if (WLAN_STA_HT & flags) {
1978 		psta->htpriv.ht_option = true;
1979 		psta->qos_option = 1;
1980 	} else {
1981 		psta->htpriv.ht_option = false;
1982 	}
1983 
1984 	if (!pmlmepriv->htpriv.ht_option)
1985 		psta->htpriv.ht_option = false;
1986 
1987 	update_sta_info_apmode(padapter, psta);
1988 }
1989 
1990 /* called >= TSR LEVEL for USB or SDIO Interface*/
ap_sta_info_defer_update(struct adapter * padapter,struct sta_info * psta)1991 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1992 {
1993 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1994 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1995 
1996 	if (psta->state & _FW_LINKED) {
1997 		pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta;
1998 
1999 		/* add ratid */
2000 		add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
2001 	}
2002 }
2003 /* restore hw setting from sw data structures */
rtw_ap_restore_network(struct adapter * padapter)2004 void rtw_ap_restore_network(struct adapter *padapter)
2005 {
2006 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2007 	struct sta_priv *pstapriv = &padapter->stapriv;
2008 	struct sta_info *psta;
2009 	struct security_priv *psecuritypriv = &(padapter->securitypriv);
2010 	struct list_head	*phead, *plist;
2011 	u8 chk_alive_num = 0;
2012 	char chk_alive_list[NUM_STA];
2013 	int i;
2014 
2015 	rtw_setopmode_cmd(padapter, Ndis802_11APMode, false);
2016 
2017 	set_channel_bwmode(
2018 		padapter,
2019 		pmlmeext->cur_channel,
2020 		pmlmeext->cur_ch_offset,
2021 		pmlmeext->cur_bwmode
2022 	);
2023 
2024 	start_bss_network(padapter);
2025 
2026 	if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) ||
2027 	    (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) {
2028 		/* restore group key, WEP keys is restored in ips_leave() */
2029 		rtw_set_key(
2030 			padapter,
2031 			psecuritypriv,
2032 			psecuritypriv->dot118021XGrpKeyid,
2033 			0,
2034 			false
2035 		);
2036 	}
2037 
2038 	spin_lock_bh(&pstapriv->asoc_list_lock);
2039 
2040 	phead = &pstapriv->asoc_list;
2041 	list_for_each(plist, phead) {
2042 		int stainfo_offset;
2043 
2044 		psta = list_entry(plist, struct sta_info, asoc_list);
2045 
2046 		stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
2047 		if (stainfo_offset_valid(stainfo_offset))
2048 			chk_alive_list[chk_alive_num++] = stainfo_offset;
2049 	}
2050 
2051 	spin_unlock_bh(&pstapriv->asoc_list_lock);
2052 
2053 	for (i = 0; i < chk_alive_num; i++) {
2054 		psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
2055 
2056 		if (!psta)
2057 			continue;
2058 
2059 		if (psta->state & _FW_LINKED) {
2060 			rtw_sta_media_status_rpt(padapter, psta, 1);
2061 			Update_RA_Entry(padapter, psta);
2062 			/* pairwise key */
2063 			/* per sta pairwise key and settings */
2064 			if ((psecuritypriv->dot11PrivacyAlgrthm == _TKIP_) ||
2065 			    (psecuritypriv->dot11PrivacyAlgrthm == _AES_)) {
2066 				rtw_setstakey_cmd(padapter, psta, true, false);
2067 			}
2068 		}
2069 	}
2070 }
2071 
start_ap_mode(struct adapter * padapter)2072 void start_ap_mode(struct adapter *padapter)
2073 {
2074 	int i;
2075 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2076 	struct sta_priv *pstapriv = &padapter->stapriv;
2077 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2078 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2079 
2080 	pmlmepriv->update_bcn = false;
2081 
2082 	/* init_mlme_ap_info(padapter); */
2083 	pmlmeext->bstart_bss = false;
2084 
2085 	pmlmepriv->num_sta_non_erp = 0;
2086 
2087 	pmlmepriv->num_sta_no_short_slot_time = 0;
2088 
2089 	pmlmepriv->num_sta_no_short_preamble = 0;
2090 
2091 	pmlmepriv->num_sta_ht_no_gf = 0;
2092 	pmlmepriv->num_sta_no_ht = 0;
2093 	pmlmepriv->num_sta_ht_20mhz = 0;
2094 
2095 	pmlmepriv->olbc = false;
2096 
2097 	pmlmepriv->olbc_ht = false;
2098 
2099 	pmlmepriv->ht_op_mode = 0;
2100 
2101 	for (i = 0; i < NUM_STA; i++)
2102 		pstapriv->sta_aid[i] = NULL;
2103 
2104 	pmlmepriv->wps_beacon_ie = NULL;
2105 	pmlmepriv->wps_probe_resp_ie = NULL;
2106 	pmlmepriv->wps_assoc_resp_ie = NULL;
2107 
2108 	pmlmepriv->p2p_beacon_ie = NULL;
2109 	pmlmepriv->p2p_probe_resp_ie = NULL;
2110 
2111 	/* for ACL */
2112 	INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
2113 	pacl_list->num = 0;
2114 	pacl_list->mode = 0;
2115 	for (i = 0; i < NUM_ACL; i++) {
2116 		INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
2117 		pacl_list->aclnode[i].valid = false;
2118 	}
2119 }
2120 
stop_ap_mode(struct adapter * padapter)2121 void stop_ap_mode(struct adapter *padapter)
2122 {
2123 	struct list_head *phead, *plist, *tmp;
2124 	struct rtw_wlan_acl_node *paclnode;
2125 	struct sta_info *psta = NULL;
2126 	struct sta_priv *pstapriv = &padapter->stapriv;
2127 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
2128 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2129 	struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
2130 	struct __queue	*pacl_node_q = &pacl_list->acl_node_q;
2131 
2132 	pmlmepriv->update_bcn = false;
2133 	pmlmeext->bstart_bss = false;
2134 
2135 	/* reset and init security priv , this can refine with rtw_reset_securitypriv */
2136 	memset(
2137 		(unsigned char *)&padapter->securitypriv,
2138 		0,
2139 		sizeof(struct security_priv)
2140 	);
2141 	padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
2142 	padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
2143 
2144 	/* for ACL */
2145 	spin_lock_bh(&(pacl_node_q->lock));
2146 	phead = get_list_head(pacl_node_q);
2147 	list_for_each_safe(plist, tmp, phead) {
2148 		paclnode = list_entry(plist, struct rtw_wlan_acl_node, list);
2149 
2150 		if (paclnode->valid) {
2151 			paclnode->valid = false;
2152 
2153 			list_del_init(&paclnode->list);
2154 
2155 			pacl_list->num--;
2156 		}
2157 	}
2158 	spin_unlock_bh(&(pacl_node_q->lock));
2159 
2160 	rtw_sta_flush(padapter);
2161 
2162 	/* free_assoc_sta_resources */
2163 	rtw_free_all_stainfo(padapter);
2164 
2165 	psta = rtw_get_bcmc_stainfo(padapter);
2166 	rtw_free_stainfo(padapter, psta);
2167 
2168 	rtw_init_bcmc_stainfo(padapter);
2169 
2170 	rtw_free_mlme_priv_ie_data(pmlmepriv);
2171 
2172 	rtw_btcoex_MediaStatusNotify(padapter, 0); /* disconnect */
2173 }
2174