1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
9 #include <linux/ieee80211.h>
11 #include <osdep_service.h>
12 #include <drv_types.h>
14 #include <ieee80211.h>
15 #include <asm/unaligned.h>
17 #ifdef CONFIG_88EU_AP_MODE
19 void init_mlme_ap_info(struct adapter *padapter)
21 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
22 struct sta_priv *pstapriv = &padapter->stapriv;
23 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
25 spin_lock_init(&pmlmepriv->bcn_update_lock);
28 _rtw_init_queue(&pacl_list->acl_node_q);
30 start_ap_mode(padapter);
33 void free_mlme_ap_info(struct adapter *padapter)
35 struct sta_info *psta = NULL;
36 struct sta_priv *pstapriv = &padapter->stapriv;
37 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
38 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
39 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
41 pmlmepriv->update_bcn = false;
42 pmlmeext->bstart_bss = false;
44 rtw_sta_flush(padapter);
46 pmlmeinfo->state = _HW_STATE_NOLINK_;
48 /* free_assoc_sta_resources */
49 rtw_free_all_stainfo(padapter);
51 /* free bc/mc sta_info */
52 psta = rtw_get_bcmc_stainfo(padapter);
53 spin_lock_bh(&pstapriv->sta_hash_lock);
54 rtw_free_stainfo(padapter, psta);
55 spin_unlock_bh(&pstapriv->sta_hash_lock);
58 static void update_BCNTIM(struct adapter *padapter)
60 struct sta_priv *pstapriv = &padapter->stapriv;
61 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
62 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
63 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
64 unsigned char *pie = pnetwork_mlmeext->ies;
65 u8 *p, *dst_ie, *premainder_ie = NULL;
66 u8 *pbackup_remainder_ie = NULL;
67 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
70 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
71 pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_);
72 if (p && tim_ielen > 0) {
74 premainder_ie = p + tim_ielen;
75 tim_ie_offset = (int)(p - pie);
76 remainder_ielen = pnetwork_mlmeext->ie_length -
77 tim_ie_offset - tim_ielen;
78 /* append TIM IE from dst_ie offset */
83 /* calculate head_len */
84 offset = _FIXED_IE_LENGTH_;
85 offset += pnetwork_mlmeext->ssid.ssid_length + 2;
87 /* get supported rates len */
88 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_,
89 &tmp_len, (pnetwork_mlmeext->ie_length -
92 offset += tmp_len + 2;
94 /* DS Parameter Set IE, len = 3 */
97 premainder_ie = pie + offset;
99 remainder_ielen = pnetwork_mlmeext->ie_length -
102 /* append TIM IE from offset */
103 dst_ie = pie + offset;
106 if (remainder_ielen > 0) {
107 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
108 if (pbackup_remainder_ie && premainder_ie)
109 memcpy(pbackup_remainder_ie, premainder_ie,
112 *dst_ie++ = _TIM_IE_;
114 if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc))
119 *dst_ie++ = tim_ielen;
121 *dst_ie++ = 0;/* DTIM count */
122 *dst_ie++ = 1;/* DTIM period */
124 if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */
125 *dst_ie++ = BIT(0);/* bitmap ctrl */
129 if (tim_ielen == 4) {
130 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
131 } else if (tim_ielen == 5) {
132 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
136 /* copy remainder IE */
137 if (pbackup_remainder_ie) {
138 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
140 kfree(pbackup_remainder_ie);
142 offset = (uint)(dst_ie - pie);
143 pnetwork_mlmeext->ie_length = offset + remainder_ielen;
145 set_tx_beacon_cmd(padapter);
148 static u8 chk_sta_is_alive(struct sta_info *psta)
152 if ((psta->sta_stats.last_rx_data_pkts +
153 psta->sta_stats.last_rx_ctrl_pkts) ==
154 (psta->sta_stats.rx_data_pkts +
155 psta->sta_stats.rx_ctrl_pkts))
160 sta_update_last_rx_pkts(psta);
165 void expire_timeout_chk(struct adapter *padapter)
167 struct list_head *phead, *plist;
169 struct sta_info *psta = NULL;
170 struct sta_priv *pstapriv = &padapter->stapriv;
171 u8 chk_alive_num = 0;
172 char chk_alive_list[NUM_STA];
175 spin_lock_bh(&pstapriv->auth_list_lock);
177 phead = &pstapriv->auth_list;
180 /* check auth_queue */
181 while (phead != plist) {
182 psta = container_of(plist, struct sta_info, auth_list);
185 if (psta->expire_to > 0) {
187 if (psta->expire_to == 0) {
188 list_del_init(&psta->auth_list);
189 pstapriv->auth_list_cnt--;
191 DBG_88E("auth expire %6ph\n",
194 spin_unlock_bh(&pstapriv->auth_list_lock);
196 spin_lock_bh(&pstapriv->sta_hash_lock);
197 rtw_free_stainfo(padapter, psta);
198 spin_unlock_bh(&pstapriv->sta_hash_lock);
200 spin_lock_bh(&pstapriv->auth_list_lock);
204 spin_unlock_bh(&pstapriv->auth_list_lock);
208 spin_lock_bh(&pstapriv->asoc_list_lock);
210 phead = &pstapriv->asoc_list;
213 /* check asoc_queue */
214 while (phead != plist) {
215 psta = container_of(plist, struct sta_info, asoc_list);
218 if (chk_sta_is_alive(psta) || !psta->expire_to) {
219 psta->expire_to = pstapriv->expire_to;
220 psta->keep_alive_trycnt = 0;
221 psta->under_exist_checking = 0;
226 if (psta->expire_to <= 0) {
227 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
229 if (padapter->registrypriv.wifi_spec == 1) {
230 psta->expire_to = pstapriv->expire_to;
234 if (psta->state & WIFI_SLEEP_STATE) {
235 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
236 /* to check if alive by another methods
237 * if station is at ps mode.
239 psta->expire_to = pstapriv->expire_to;
240 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
242 /* to update bcn with tim_bitmap
245 pstapriv->tim_bitmap |= BIT(psta->aid);
246 update_beacon(padapter, _TIM_IE_, NULL,
249 if (!pmlmeext->active_keep_alive_check)
253 if (pmlmeext->active_keep_alive_check) {
257 rtw_stainfo_offset(pstapriv, psta);
258 if (stainfo_offset_valid(stainfo_offset))
259 chk_alive_list[chk_alive_num++] =
264 list_del_init(&psta->asoc_list);
265 pstapriv->asoc_list_cnt--;
267 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
268 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
270 /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
271 if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
272 padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
273 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
274 (psta->hwaddr), psta->sleepq_len,
275 padapter->xmitpriv.free_xmitframe_cnt,
276 pstapriv->asoc_list_cnt);
277 wakeup_sta_to_xmit(padapter, psta);
282 spin_unlock_bh(&pstapriv->asoc_list_lock);
285 u8 backup_oper_channel = 0;
286 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
287 /* switch to correct channel of current network before issue keep-alive frames */
288 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
289 backup_oper_channel = rtw_get_oper_ch(padapter);
290 SelectChannel(padapter, pmlmeext->cur_channel);
293 /* issue null data to check sta alive*/
294 for (i = 0; i < chk_alive_num; i++) {
297 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
299 if (psta->state & WIFI_SLEEP_STATE)
300 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
302 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
304 psta->keep_alive_trycnt++;
305 if (ret == _SUCCESS) {
306 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
307 psta->expire_to = pstapriv->expire_to;
308 psta->keep_alive_trycnt = 0;
310 } else if (psta->keep_alive_trycnt <= 3) {
311 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
316 psta->keep_alive_trycnt = 0;
318 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
319 spin_lock_bh(&pstapriv->asoc_list_lock);
320 list_del_init(&psta->asoc_list);
321 pstapriv->asoc_list_cnt--;
322 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
323 spin_unlock_bh(&pstapriv->asoc_list_lock);
326 if (backup_oper_channel > 0) /* back to the original operation channel */
327 SelectChannel(padapter, backup_oper_channel);
330 associated_clients_update(padapter, updated);
333 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
337 unsigned char sta_band = 0, raid, shortGIrate = false;
338 unsigned int tx_ra_bitmap = 0;
339 struct ht_priv *psta_ht = NULL;
342 psta_ht = &psta->htpriv;
346 if (!(psta->state & _FW_LINKED))
349 /* b/g mode ra_bitmap */
350 for (i = 0; i < sizeof(psta->bssrateset); i++) {
351 if (psta->bssrateset[i])
352 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
354 /* n mode ra_bitmap */
355 if (psta_ht->ht_option) {
356 for (i = 0; i < 8; i++)
357 if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i))
358 tx_ra_bitmap |= BIT(i + 12);
360 /* max short GI rate */
361 shortGIrate = psta_ht->sgi;
364 if (tx_ra_bitmap & 0xffff000)
365 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
366 else if (tx_ra_bitmap & 0xff0)
367 sta_band |= WIRELESS_11G | WIRELESS_11B;
369 sta_band |= WIRELESS_11B;
371 psta->wireless_mode = sta_band;
373 raid = networktype_to_raid(sta_band);
374 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
376 if (psta->aid < NUM_STA) {
379 arg = psta->mac_id & 0x1f;
381 arg |= BIT(7);/* support entry 2~31 */
386 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
388 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
389 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
391 /* bitmap[0:27] = tx_rate_bitmap */
392 /* bitmap[28:31]= Rate Adaptive id */
393 /* arg[0:4] = macid */
394 /* arg[5] = Short GI */
395 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
400 /* set ra_id, init_rate */
402 psta->init_rate = init_rate;
405 DBG_88E("station aid %d exceed the max number\n", psta->aid);
409 static void update_bmc_sta(struct adapter *padapter)
412 unsigned char network_type, raid;
413 int i, supportRateNum = 0;
414 unsigned int tx_ra_bitmap = 0;
415 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
416 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
417 struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
420 psta->aid = 0;/* default set to 0 */
421 psta->mac_id = psta->aid + 1;
423 psta->qos_option = 0;
424 psta->htpriv.ht_option = false;
426 psta->ieee8021x_blocked = 0;
428 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
430 /* prepare for add_RATid */
431 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
432 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
434 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
435 psta->bssratelen = supportRateNum;
437 /* b/g mode ra_bitmap */
438 for (i = 0; i < supportRateNum; i++) {
439 if (psta->bssrateset[i])
440 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
443 if (pcur_network->Configuration.DSConfig > 14) {
444 /* force to A mode. 5G doesn't support CCK rates */
445 network_type = WIRELESS_11A;
446 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
448 /* force to b mode */
449 network_type = WIRELESS_11B;
453 raid = networktype_to_raid(network_type);
454 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
457 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
462 arg = psta->mac_id & 0x1f;
464 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
465 DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__, tx_ra_bitmap, arg);
467 /* bitmap[0:27] = tx_rate_bitmap */
468 /* bitmap[28:31]= Rate Adaptive id */
469 /* arg[0:4] = macid */
470 /* arg[5] = Short GI */
471 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
473 /* set ra_id, init_rate */
475 psta->init_rate = init_rate;
477 rtw_stassoc_hw_rpt(padapter, psta);
479 spin_lock_bh(&psta->lock);
480 psta->state = _FW_LINKED;
481 spin_unlock_bh(&psta->lock);
484 DBG_88E("add_RATid_bmc_sta error!\n");
489 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
490 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
491 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
492 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
493 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
495 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
497 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
498 struct security_priv *psecuritypriv = &padapter->securitypriv;
499 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
500 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
501 struct ht_priv *phtpriv_sta = &psta->htpriv;
503 psta->mac_id = psta->aid + 1;
504 DBG_88E("%s\n", __func__);
507 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
509 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
510 psta->ieee8021x_blocked = true;
512 psta->ieee8021x_blocked = false;
514 /* update sta's cap */
517 VCS_update(padapter, psta);
519 if (phtpriv_sta->ht_option) {
520 /* check if sta supports rx ampdu */
521 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
523 /* check if sta support s Short GI */
524 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
525 phtpriv_ap->ht_cap.cap_info) &
526 (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
527 phtpriv_sta->sgi = true;
530 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
531 phtpriv_ap->ht_cap.cap_info) &
532 IEEE80211_HT_CAP_SUP_WIDTH) {
533 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
534 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
536 psta->qos_option = true;
538 phtpriv_sta->ampdu_enable = false;
539 phtpriv_sta->sgi = false;
540 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
541 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
545 send_delba(padapter, 0, psta->hwaddr);/* recipient */
548 send_delba(padapter, 1, psta->hwaddr);/* originator */
549 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
550 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
552 /* todo: init other variables */
554 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
556 spin_lock_bh(&psta->lock);
557 psta->state |= _FW_LINKED;
558 spin_unlock_bh(&psta->lock);
561 static void update_hw_ht_param(struct adapter *padapter)
563 unsigned char max_AMPDU_len;
564 unsigned char min_MPDU_spacing;
565 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
566 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
568 DBG_88E("%s\n", __func__);
570 /* handle A-MPDU parameter field */
572 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
573 ampdu_params_info [4:2]:Min MPDU Start Spacing
575 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
577 min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
579 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
581 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
584 /* Config SM Power Save setting */
586 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
587 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
588 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
591 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
594 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
598 struct registry_priv *pregpriv = &padapter->registrypriv;
599 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
600 struct security_priv *psecuritypriv = &padapter->securitypriv;
601 struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
602 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
603 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
604 struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network;
605 struct HT_info_element *pht_info = NULL;
607 bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
608 cur_channel = pnetwork->Configuration.DSConfig;
609 cur_bwmode = HT_CHANNEL_WIDTH_20;
610 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
612 /* check if there is wps ie,
613 * if there is wpsie in beacon, the hostapd will update
614 * beacon twice when stating hostapd, and at first time the
615 * security ie (RSN/WPA IE) will not include in beacon.
617 if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL))
618 pmlmeext->bstart_bss = true;
620 /* todo: update wmm, ht cap */
621 if (pmlmepriv->qospriv.qos_option)
622 pmlmeinfo->WMM_enable = true;
623 if (pmlmepriv->htpriv.ht_option) {
624 pmlmeinfo->WMM_enable = true;
625 pmlmeinfo->HT_enable = true;
627 update_hw_ht_param(padapter);
630 /* setting only at first time */
631 if (!pmlmepriv->cur_network.join_res) {
632 /* WEP Key will be set before this function, do not
635 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
636 (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
637 flush_all_cam_entry(padapter); /* clear CAM */
640 /* set MSR to AP_Mode */
641 Set_MSR(padapter, _HW_STATE_AP_);
644 rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
646 /* Set EDCA param reg */
647 acparm = 0x002F3217; /* VO */
648 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
649 acparm = 0x005E4317; /* VI */
650 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
652 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
653 acparm = 0x0000A444; /* BK */
654 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
657 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
658 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
660 /* Beacon Control related register */
661 rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
663 UpdateBrateTbl(padapter, pnetwork->SupportedRates);
664 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
666 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
667 /* turn on all dynamic functions */
668 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
670 /* set channel, bwmode */
671 p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fixed_ie)));
673 pht_info = (struct HT_info_element *)(p + 2);
675 if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
676 /* switch to the 40M Hz mode */
677 cur_bwmode = HT_CHANNEL_WIDTH_40;
678 switch (pht_info->infos[0] & 0x3) {
680 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
683 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
686 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
691 /* TODO: need to judge the phy parameters on concurrent
692 * mode for single phy
694 set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
696 DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
699 pmlmeext->cur_channel = cur_channel;
700 pmlmeext->cur_bwmode = cur_bwmode;
701 pmlmeext->cur_ch_offset = cur_ch_offset;
702 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
704 /* update cur_wireless_mode */
705 update_wireless_mode(padapter);
707 /* update capability after cur_wireless_mode updated */
708 update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
710 /* let pnetwork_mlmeext == pnetwork_mlme. */
711 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
713 if (pmlmeext->bstart_bss) {
714 update_beacon(padapter, _TIM_IE_, NULL, false);
716 /* issue beacon frame */
717 if (send_beacon(padapter) == _FAIL)
718 DBG_88E("send_beacon, fail!\n");
721 /* update bc/mc sta_info */
722 update_bmc_sta(padapter);
725 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
729 u8 *pHT_caps_ie = NULL;
730 u8 *pHT_info_ie = NULL;
731 struct sta_info *psta = NULL;
732 u16 cap, ht_cap = false;
734 int group_cipher, pairwise_cipher;
735 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
736 int supportRateNum = 0;
737 u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
738 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
739 struct registry_priv *pregistrypriv = &padapter->registrypriv;
740 struct security_priv *psecuritypriv = &padapter->securitypriv;
741 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
742 struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
743 u8 *ie = pbss_network->ies;
746 /* Supported rates */
748 /* WLAN_EID_COUNTRY */
749 /* ERP Information element */
750 /* Extended supported rates */
752 /* Wi-Fi Wireless Multimedia Extensions */
753 /* ht_capab, ht_oper */
756 DBG_88E("%s, len =%d\n", __func__, len);
758 if (!check_fwstate(pmlmepriv, WIFI_AP_STATE))
761 if (len < 0 || len > MAX_IE_SZ)
764 pbss_network->ie_length = len;
766 memset(ie, 0, MAX_IE_SZ);
768 memcpy(ie, pbuf, pbss_network->ie_length);
770 if (pbss_network->InfrastructureMode != Ndis802_11APMode)
773 pbss_network->Rssi = 0;
775 ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv));
777 /* beacon interval */
778 p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
779 pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
782 cap = get_unaligned_le16(ie);
785 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
786 if (p && ie_len > 0) {
787 memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid));
788 memcpy(pbss_network->ssid.ssid, (p + 2), ie_len);
789 pbss_network->ssid.ssid_length = ie_len;
794 pbss_network->Configuration.Length = 0;
795 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
799 pbss_network->Configuration.DSConfig = channel;
801 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
802 /* get supported rates */
803 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
805 memcpy(supportRate, p + 2, ie_len);
806 supportRateNum = ie_len;
809 /* get ext_supported rates */
810 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_);
812 memcpy(supportRate + supportRateNum, p + 2, ie_len);
813 supportRateNum += ie_len;
816 network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
818 rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
821 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
823 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
825 /* update privacy/security */
827 pbss_network->Privacy = 1;
829 pbss_network->Privacy = 0;
831 psecuritypriv->wpa_psk = 0;
836 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
837 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
838 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_));
839 if (p && ie_len > 0) {
840 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
841 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
843 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
844 psecuritypriv->wpa_psk |= BIT(1);
846 psecuritypriv->wpa2_group_cipher = group_cipher;
847 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
854 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
855 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
856 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
857 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
858 (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
859 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
860 if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
861 &pairwise_cipher, NULL) == _SUCCESS) {
862 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
864 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
866 psecuritypriv->wpa_psk |= BIT(0);
868 psecuritypriv->wpa_group_cipher = group_cipher;
869 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
873 if ((!p) || (ie_len == 0))
879 pmlmepriv->qospriv.qos_option = 0;
880 if (pregistrypriv->wmm_enable) {
881 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
882 p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
883 (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)));
884 if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
885 pmlmepriv->qospriv.qos_option = 1;
887 /* QoS Info, support U-APSD */
890 /* disable all ACM bits since the WMM
891 * admission control is not supported
893 *(p + 10) &= ~BIT(4); /* BE */
894 *(p + 14) &= ~BIT(4); /* BK */
895 *(p + 18) &= ~BIT(4); /* VI */
896 *(p + 22) &= ~BIT(4); /* VO */
900 if ((!p) || (ie_len == 0))
904 /* parsing HT_CAP_IE */
905 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
906 (pbss_network->ie_length - _BEACON_IE_OFFSET_));
907 if (p && ie_len > 0) {
908 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
912 network_type |= WIRELESS_11_24N;
914 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
915 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
916 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
918 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
920 /* set Max Rx AMPDU size to 64K */
921 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
923 pht_cap->mcs.rx_mask[0] = 0xff;
924 pht_cap->mcs.rx_mask[1] = 0x0;
925 memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len);
928 /* parsing HT_INFO_IE */
929 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
930 (pbss_network->ie_length - _BEACON_IE_OFFSET_));
933 switch (network_type) {
935 pbss_network->NetworkTypeInUse = Ndis802_11DS;
939 case WIRELESS_11G_24N:
940 case WIRELESS_11BG_24N:
941 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
944 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
947 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
951 pmlmepriv->cur_network.network_type = network_type;
953 pmlmepriv->htpriv.ht_option = false;
955 if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
956 (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
958 /* ht_cap = false; */
962 if (pregistrypriv->ht_enable && ht_cap) {
963 pmlmepriv->htpriv.ht_option = true;
964 pmlmepriv->qospriv.qos_option = 1;
966 if (pregistrypriv->ampdu_enable == 1)
967 pmlmepriv->htpriv.ampdu_enable = true;
968 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
970 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
973 pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
975 /* issue beacon to start bss network */
976 start_bss_network(padapter, (u8 *)pbss_network);
978 /* alloc sta_info for ap itself */
979 psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
981 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
986 /* fix bug of flush_cam_entry at STOP AP mode */
987 psta->state |= WIFI_AP_STATE;
988 rtw_indicate_connect(padapter);
989 pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
993 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
995 struct sta_priv *pstapriv = &padapter->stapriv;
996 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
998 DBG_88E("%s, mode =%d\n", __func__, mode);
1000 pacl_list->mode = mode;
1003 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1005 struct list_head *plist, *phead;
1008 struct rtw_wlan_acl_node *paclnode;
1009 struct sta_priv *pstapriv = &padapter->stapriv;
1010 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1011 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1013 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1015 if ((NUM_ACL - 1) < pacl_list->num)
1018 spin_lock_bh(&pacl_node_q->lock);
1020 phead = get_list_head(pacl_node_q);
1021 plist = phead->next;
1023 while (phead != plist) {
1024 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1025 plist = plist->next;
1027 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1028 if (paclnode->valid) {
1030 DBG_88E("%s, sta has been added\n", __func__);
1036 spin_unlock_bh(&pacl_node_q->lock);
1041 spin_lock_bh(&pacl_node_q->lock);
1043 for (i = 0; i < NUM_ACL; i++) {
1044 paclnode = &pacl_list->aclnode[i];
1046 if (!paclnode->valid) {
1047 INIT_LIST_HEAD(&paclnode->list);
1049 ether_addr_copy(paclnode->addr, addr);
1051 paclnode->valid = true;
1053 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1061 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1063 spin_unlock_bh(&pacl_node_q->lock);
1068 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1070 struct list_head *plist, *phead;
1071 struct rtw_wlan_acl_node *paclnode;
1072 struct sta_priv *pstapriv = &padapter->stapriv;
1073 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1074 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1076 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1078 spin_lock_bh(&pacl_node_q->lock);
1080 phead = get_list_head(pacl_node_q);
1081 plist = phead->next;
1083 while (phead != plist) {
1084 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1085 plist = plist->next;
1087 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1088 if (paclnode->valid) {
1089 paclnode->valid = false;
1091 list_del_init(&paclnode->list);
1098 spin_unlock_bh(&pacl_node_q->lock);
1100 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1104 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1106 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1107 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1108 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1109 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1110 unsigned char *p, *ie = pnetwork->ies;
1113 DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1115 if (!pmlmeinfo->ERP_enable)
1118 /* parsing ERP_IE */
1119 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1120 (pnetwork->ie_length - _BEACON_IE_OFFSET_));
1122 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1124 if (pmlmepriv->num_sta_non_erp == 1)
1125 pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT |
1126 RTW_ERP_INFO_USE_PROTECTION;
1128 pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT |
1129 RTW_ERP_INFO_USE_PROTECTION);
1131 if (pmlmepriv->num_sta_no_short_preamble > 0)
1132 pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1134 pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1136 ERP_IE_handler(padapter, pIE);
1140 static void update_bcn_wps_ie(struct adapter *padapter)
1142 u8 *pwps_ie = NULL, *pwps_ie_src;
1143 u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1144 uint wps_ielen = 0, wps_offset, remainder_ielen;
1145 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1146 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1147 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1148 struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network;
1149 unsigned char *ie = pnetwork->ies;
1150 u32 ielen = pnetwork->ie_length;
1152 DBG_88E("%s\n", __func__);
1154 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1158 pwps_ie = rtw_get_wps_ie(ie + _FIXED_IE_LENGTH_,
1159 ielen - _FIXED_IE_LENGTH_, NULL, &wps_ielen);
1161 if (!pwps_ie || wps_ielen == 0)
1164 wps_offset = (uint)(pwps_ie - ie);
1166 premainder_ie = pwps_ie + wps_ielen;
1168 remainder_ielen = ielen - wps_offset - wps_ielen;
1170 if (remainder_ielen > 0) {
1171 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1172 if (pbackup_remainder_ie)
1173 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1176 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1177 if (wps_offset + wps_ielen + 2 + remainder_ielen <= MAX_IE_SZ) {
1178 memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2);
1179 pwps_ie += wps_ielen + 2;
1181 if (pbackup_remainder_ie)
1182 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1184 /* update ie_length */
1185 pnetwork->ie_length = wps_offset + wps_ielen + 2 + remainder_ielen;
1188 kfree(pbackup_remainder_ie);
1191 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1193 DBG_88E("%s\n", __func__);
1195 if (!memcmp(WPS_OUI, oui, 4))
1196 update_bcn_wps_ie(padapter);
1198 DBG_88E("unknown OUI type!\n");
1201 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1203 struct mlme_priv *pmlmepriv;
1204 struct mlme_ext_priv *pmlmeext;
1209 pmlmepriv = &padapter->mlmepriv;
1210 pmlmeext = &padapter->mlmeextpriv;
1212 if (!pmlmeext->bstart_bss)
1215 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1219 update_BCNTIM(padapter);
1222 update_bcn_erpinfo_ie(padapter);
1224 case _VENDOR_SPECIFIC_IE_:
1225 update_bcn_vendor_spec_ie(padapter, oui);
1231 pmlmepriv->update_bcn = true;
1233 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1236 set_tx_beacon_cmd(padapter);
1241 Set to 0 (HT pure) under the following conditions
1242 - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1243 - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1244 Set to 1 (HT non-member protection) if there may be non-HT STAs
1245 in both the primary and the secondary channel
1246 Set to 2 if only HT STAs are associated in BSS,
1247 however and at least one 20 MHz HT STA is associated
1248 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1249 (currently non-GF HT station is considered as non-HT STA also)
1251 static int rtw_ht_operation_update(struct adapter *padapter)
1253 u16 cur_op_mode, new_op_mode;
1254 int op_mode_changes = 0;
1255 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1256 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1258 if (pmlmepriv->htpriv.ht_option)
1261 DBG_88E("%s current operation mode = 0x%X\n",
1262 __func__, pmlmepriv->ht_op_mode);
1264 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1265 pmlmepriv->num_sta_ht_no_gf) {
1266 pmlmepriv->ht_op_mode |=
1267 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1269 } else if ((pmlmepriv->ht_op_mode &
1270 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1271 pmlmepriv->num_sta_ht_no_gf == 0) {
1272 pmlmepriv->ht_op_mode &=
1273 ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1277 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1278 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1279 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1281 } else if ((pmlmepriv->ht_op_mode &
1282 HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1283 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1284 pmlmepriv->ht_op_mode &=
1285 ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1289 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1290 * station is associated. Probably it's a theoretical case, since
1291 * it looks like all known HT STAs support greenfield.
1294 if (pmlmepriv->num_sta_no_ht ||
1295 (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1296 new_op_mode = OP_MODE_MIXED;
1297 else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1298 IEEE80211_HT_CAP_SUP_WIDTH) &&
1299 pmlmepriv->num_sta_ht_20mhz)
1300 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1301 else if (pmlmepriv->olbc_ht)
1302 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1304 new_op_mode = OP_MODE_PURE;
1306 cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1307 if (cur_op_mode != new_op_mode) {
1308 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1309 pmlmepriv->ht_op_mode |= new_op_mode;
1313 DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1314 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1316 return op_mode_changes;
1319 void associated_clients_update(struct adapter *padapter, u8 updated)
1321 /* update associated stations cap. */
1323 struct list_head *phead, *plist;
1324 struct sta_info *psta = NULL;
1325 struct sta_priv *pstapriv = &padapter->stapriv;
1327 spin_lock_bh(&pstapriv->asoc_list_lock);
1329 phead = &pstapriv->asoc_list;
1330 plist = phead->next;
1332 /* check asoc_queue */
1333 while (phead != plist) {
1334 psta = container_of(plist, struct sta_info, asoc_list);
1336 plist = plist->next;
1338 VCS_update(padapter, psta);
1340 spin_unlock_bh(&pstapriv->asoc_list_lock);
1344 /* called > TSR LEVEL for USB or SDIO Interface*/
1345 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1347 u8 beacon_updated = false;
1348 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1349 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1351 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1352 if (!psta->no_short_preamble_set) {
1353 psta->no_short_preamble_set = 1;
1355 pmlmepriv->num_sta_no_short_preamble++;
1357 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1358 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1359 beacon_updated = true;
1360 update_beacon(padapter, 0xFF, NULL, true);
1364 if (psta->no_short_preamble_set) {
1365 psta->no_short_preamble_set = 0;
1367 pmlmepriv->num_sta_no_short_preamble--;
1369 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1370 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1371 beacon_updated = true;
1372 update_beacon(padapter, 0xFF, NULL, true);
1377 if (psta->flags & WLAN_STA_NONERP) {
1378 if (!psta->nonerp_set) {
1379 psta->nonerp_set = 1;
1381 pmlmepriv->num_sta_non_erp++;
1383 if (pmlmepriv->num_sta_non_erp == 1) {
1384 beacon_updated = true;
1385 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1389 if (psta->nonerp_set) {
1390 psta->nonerp_set = 0;
1392 pmlmepriv->num_sta_non_erp--;
1394 if (pmlmepriv->num_sta_non_erp == 0) {
1395 beacon_updated = true;
1396 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1401 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1402 if (!psta->no_short_slot_time_set) {
1403 psta->no_short_slot_time_set = 1;
1405 pmlmepriv->num_sta_no_short_slot_time++;
1407 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1408 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1409 beacon_updated = true;
1410 update_beacon(padapter, 0xFF, NULL, true);
1414 if (psta->no_short_slot_time_set) {
1415 psta->no_short_slot_time_set = 0;
1417 pmlmepriv->num_sta_no_short_slot_time--;
1419 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1420 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1421 beacon_updated = true;
1422 update_beacon(padapter, 0xFF, NULL, true);
1427 if (psta->flags & WLAN_STA_HT) {
1428 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1430 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1431 (psta->hwaddr), ht_capab);
1433 if (psta->no_ht_set) {
1434 psta->no_ht_set = 0;
1435 pmlmepriv->num_sta_no_ht--;
1438 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1439 if (!psta->no_ht_gf_set) {
1440 psta->no_ht_gf_set = 1;
1441 pmlmepriv->num_sta_ht_no_gf++;
1443 DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1444 __func__, (psta->hwaddr),
1445 pmlmepriv->num_sta_ht_no_gf);
1448 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1449 if (!psta->ht_20mhz_set) {
1450 psta->ht_20mhz_set = 1;
1451 pmlmepriv->num_sta_ht_20mhz++;
1453 DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1454 __func__, (psta->hwaddr),
1455 pmlmepriv->num_sta_ht_20mhz);
1458 if (!psta->no_ht_set) {
1459 psta->no_ht_set = 1;
1460 pmlmepriv->num_sta_no_ht++;
1462 if (pmlmepriv->htpriv.ht_option) {
1463 DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1464 __func__, (psta->hwaddr),
1465 pmlmepriv->num_sta_no_ht);
1469 if (rtw_ht_operation_update(padapter) > 0) {
1470 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1471 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1474 /* update associated stations cap. */
1475 associated_clients_update(padapter, beacon_updated);
1477 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1480 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1482 u8 beacon_updated = false;
1483 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1484 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1487 return beacon_updated;
1489 if (psta->no_short_preamble_set) {
1490 psta->no_short_preamble_set = 0;
1491 pmlmepriv->num_sta_no_short_preamble--;
1492 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1493 pmlmepriv->num_sta_no_short_preamble == 0) {
1494 beacon_updated = true;
1495 update_beacon(padapter, 0xFF, NULL, true);
1499 if (psta->nonerp_set) {
1500 psta->nonerp_set = 0;
1501 pmlmepriv->num_sta_non_erp--;
1502 if (pmlmepriv->num_sta_non_erp == 0) {
1503 beacon_updated = true;
1504 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1508 if (psta->no_short_slot_time_set) {
1509 psta->no_short_slot_time_set = 0;
1510 pmlmepriv->num_sta_no_short_slot_time--;
1511 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1512 pmlmepriv->num_sta_no_short_slot_time == 0) {
1513 beacon_updated = true;
1514 update_beacon(padapter, 0xFF, NULL, true);
1518 if (psta->no_ht_gf_set) {
1519 psta->no_ht_gf_set = 0;
1520 pmlmepriv->num_sta_ht_no_gf--;
1523 if (psta->no_ht_set) {
1524 psta->no_ht_set = 0;
1525 pmlmepriv->num_sta_no_ht--;
1528 if (psta->ht_20mhz_set) {
1529 psta->ht_20mhz_set = 0;
1530 pmlmepriv->num_sta_ht_20mhz--;
1533 if (rtw_ht_operation_update(padapter) > 0) {
1534 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1535 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1538 /* update associated stations cap. */
1540 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1542 return beacon_updated;
1545 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1546 bool active, u16 reason)
1548 u8 beacon_updated = false;
1549 struct sta_priv *pstapriv = &padapter->stapriv;
1552 return beacon_updated;
1554 /* tear down Rx AMPDU */
1555 send_delba(padapter, 0, psta->hwaddr);/* recipient */
1557 /* tear down TX AMPDU */
1558 send_delba(padapter, 1, psta->hwaddr);/* originator */
1559 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1560 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1563 issue_deauth(padapter, psta->hwaddr, reason);
1565 /* clear cam entry / key */
1566 rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1568 spin_lock_bh(&psta->lock);
1569 psta->state &= ~_FW_LINKED;
1570 spin_unlock_bh(&psta->lock);
1572 rtw_indicate_sta_disassoc_event(padapter, psta);
1574 report_del_sta_event(padapter, psta->hwaddr, reason);
1576 beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1578 spin_lock_bh(&pstapriv->sta_hash_lock);
1579 rtw_free_stainfo(padapter, psta);
1580 spin_unlock_bh(&pstapriv->sta_hash_lock);
1582 return beacon_updated;
1585 int rtw_sta_flush(struct adapter *padapter)
1587 struct list_head *phead, *plist;
1588 struct sta_info *psta = NULL;
1589 struct sta_priv *pstapriv = &padapter->stapriv;
1590 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1591 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1592 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1594 DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1596 if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE)
1599 spin_lock_bh(&pstapriv->asoc_list_lock);
1600 phead = &pstapriv->asoc_list;
1601 plist = phead->next;
1603 /* free sta asoc_queue */
1604 while (phead != plist) {
1605 psta = container_of(plist, struct sta_info, asoc_list);
1607 plist = plist->next;
1609 list_del_init(&psta->asoc_list);
1610 pstapriv->asoc_list_cnt--;
1612 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1614 spin_unlock_bh(&pstapriv->asoc_list_lock);
1616 issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1618 associated_clients_update(padapter, true);
1623 /* called > TSR LEVEL for USB or SDIO Interface*/
1624 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1626 int flags = psta->flags;
1627 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1629 /* update wmm cap. */
1630 if (WLAN_STA_WME & flags)
1631 psta->qos_option = 1;
1633 psta->qos_option = 0;
1635 if (pmlmepriv->qospriv.qos_option == 0)
1636 psta->qos_option = 0;
1638 /* update 802.11n ht cap. */
1639 if (WLAN_STA_HT & flags) {
1640 psta->htpriv.ht_option = true;
1641 psta->qos_option = 1;
1643 psta->htpriv.ht_option = false;
1646 if (!pmlmepriv->htpriv.ht_option)
1647 psta->htpriv.ht_option = false;
1649 update_sta_info_apmode(padapter, psta);
1652 /* called >= TSR LEVEL for USB or SDIO Interface*/
1653 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1655 if (psta->state & _FW_LINKED) {
1657 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1661 void start_ap_mode(struct adapter *padapter)
1664 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1665 struct sta_priv *pstapriv = &padapter->stapriv;
1666 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1667 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1669 pmlmepriv->update_bcn = false;
1671 pmlmeext->bstart_bss = false;
1673 pmlmepriv->num_sta_non_erp = 0;
1675 pmlmepriv->num_sta_no_short_slot_time = 0;
1677 pmlmepriv->num_sta_no_short_preamble = 0;
1679 pmlmepriv->num_sta_ht_no_gf = 0;
1680 pmlmepriv->num_sta_no_ht = 0;
1681 pmlmepriv->num_sta_ht_20mhz = 0;
1683 pmlmepriv->olbc = false;
1685 pmlmepriv->olbc_ht = false;
1687 pmlmepriv->ht_op_mode = 0;
1689 for (i = 0; i < NUM_STA; i++)
1690 pstapriv->sta_aid[i] = NULL;
1692 pmlmepriv->wps_beacon_ie = NULL;
1693 pmlmepriv->wps_probe_resp_ie = NULL;
1694 pmlmepriv->wps_assoc_resp_ie = NULL;
1697 INIT_LIST_HEAD(&pacl_list->acl_node_q.queue);
1699 pacl_list->mode = 0;
1700 for (i = 0; i < NUM_ACL; i++) {
1701 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1702 pacl_list->aclnode[i].valid = false;
1706 void stop_ap_mode(struct adapter *padapter)
1708 struct list_head *phead, *plist;
1709 struct rtw_wlan_acl_node *paclnode;
1710 struct sta_info *psta = NULL;
1711 struct sta_priv *pstapriv = &padapter->stapriv;
1712 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1713 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1714 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1715 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1717 pmlmepriv->update_bcn = false;
1718 pmlmeext->bstart_bss = false;
1720 /* reset and init security priv , this can refine with
1721 * rtw_reset_securitypriv
1723 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1724 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1725 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1728 spin_lock_bh(&pacl_node_q->lock);
1729 phead = get_list_head(pacl_node_q);
1730 plist = phead->next;
1731 while (phead != plist) {
1732 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1733 plist = plist->next;
1735 if (paclnode->valid) {
1736 paclnode->valid = false;
1738 list_del_init(&paclnode->list);
1743 spin_unlock_bh(&pacl_node_q->lock);
1745 DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1747 rtw_sta_flush(padapter);
1749 /* free_assoc_sta_resources */
1750 rtw_free_all_stainfo(padapter);
1752 psta = rtw_get_bcmc_stainfo(padapter);
1753 spin_lock_bh(&pstapriv->sta_hash_lock);
1754 rtw_free_stainfo(padapter, psta);
1755 spin_unlock_bh(&pstapriv->sta_hash_lock);
1757 rtw_init_bcmc_stainfo(padapter);
1759 rtw_free_mlme_priv_ie_data(pmlmepriv);
1762 #endif /* CONFIG_88EU_AP_MODE */