1 /******************************************************************************
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 ******************************************************************************/
17 #include <linux/ieee80211.h>
19 #include <osdep_service.h>
20 #include <drv_types.h>
22 #include <ieee80211.h>
23 #include <asm/unaligned.h>
25 #ifdef CONFIG_88EU_AP_MODE
27 void init_mlme_ap_info(struct adapter *padapter)
29 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
30 struct sta_priv *pstapriv = &padapter->stapriv;
31 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
34 spin_lock_init(&pmlmepriv->bcn_update_lock);
37 _rtw_init_queue(&pacl_list->acl_node_q);
39 start_ap_mode(padapter);
42 void free_mlme_ap_info(struct adapter *padapter)
44 struct sta_info *psta = NULL;
45 struct sta_priv *pstapriv = &padapter->stapriv;
46 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
47 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
48 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
50 pmlmepriv->update_bcn = false;
51 pmlmeext->bstart_bss = false;
53 rtw_sta_flush(padapter);
55 pmlmeinfo->state = _HW_STATE_NOLINK_;
57 /* free_assoc_sta_resources */
58 rtw_free_all_stainfo(padapter);
60 /* free bc/mc sta_info */
61 psta = rtw_get_bcmc_stainfo(padapter);
62 spin_lock_bh(&(pstapriv->sta_hash_lock));
63 rtw_free_stainfo(padapter, psta);
64 spin_unlock_bh(&(pstapriv->sta_hash_lock));
67 static void update_BCNTIM(struct adapter *padapter)
69 struct sta_priv *pstapriv = &padapter->stapriv;
70 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
71 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
72 struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
73 unsigned char *pie = pnetwork_mlmeext->IEs;
74 u8 *p, *dst_ie, *premainder_ie = NULL;
75 u8 *pbackup_remainder_ie = NULL;
76 uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
79 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen,
80 pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
81 if (p && tim_ielen > 0) {
83 premainder_ie = p + tim_ielen;
84 tim_ie_offset = (int)(p - pie);
85 remainder_ielen = pnetwork_mlmeext->IELength -
86 tim_ie_offset - tim_ielen;
87 /* append TIM IE from dst_ie offset */
92 /* calculate head_len */
93 offset = _FIXED_IE_LENGTH_;
94 offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
96 /* get supported rates len */
97 p = rtw_get_ie(pie + _BEACON_IE_OFFSET_,
98 _SUPPORTEDRATES_IE_, &tmp_len,
99 (pnetwork_mlmeext->IELength -
100 _BEACON_IE_OFFSET_));
104 /* DS Parameter Set IE, len = 3 */
107 premainder_ie = pie + offset;
109 remainder_ielen = pnetwork_mlmeext->IELength -
112 /* append TIM IE from offset */
113 dst_ie = pie + offset;
116 if (remainder_ielen > 0) {
117 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
118 if (pbackup_remainder_ie && premainder_ie)
119 memcpy(pbackup_remainder_ie,
120 premainder_ie, remainder_ielen);
122 *dst_ie++ = _TIM_IE_;
124 if ((pstapriv->tim_bitmap&0xff00) &&
125 (pstapriv->tim_bitmap&0x00fc))
130 *dst_ie++ = tim_ielen;
132 *dst_ie++ = 0;/* DTIM count */
133 *dst_ie++ = 1;/* DTIM period */
135 if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
136 *dst_ie++ = BIT(0);/* bitmap ctrl */
140 if (tim_ielen == 4) {
141 *dst_ie++ = pstapriv->tim_bitmap & 0xff;
142 } else if (tim_ielen == 5) {
143 put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
147 /* copy remainder IE */
148 if (pbackup_remainder_ie) {
149 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
151 kfree(pbackup_remainder_ie);
153 offset = (uint)(dst_ie - pie);
154 pnetwork_mlmeext->IELength = offset + remainder_ielen;
156 set_tx_beacon_cmd(padapter);
159 void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
160 u8 index, u8 *data, u8 len)
162 struct ndis_802_11_var_ie *pIE;
164 u8 *pie = pnetwork->IEs;
165 u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
166 u8 *pbackup_remainder_ie = NULL;
167 u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
169 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
170 pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
172 if (pIE->ElementID > index) {
174 /* already exist the same IE */
175 } else if (pIE->ElementID == index) {
183 i += (pIE->Length + 2);
186 if (p && ielen > 0) {
189 premainder_ie = p + ielen;
191 ie_offset = (int)(p - pie);
193 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
201 if (remainder_ielen > 0) {
202 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
203 if (pbackup_remainder_ie && premainder_ie)
204 memcpy(pbackup_remainder_ie,
205 premainder_ie, remainder_ielen);
211 memcpy(dst_ie, data, len);
214 /* copy remainder IE */
215 if (pbackup_remainder_ie) {
216 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
218 kfree(pbackup_remainder_ie);
221 offset = (uint)(dst_ie - pie);
222 pnetwork->IELength = offset + remainder_ielen;
225 void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork,
228 u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
229 u8 *pbackup_remainder_ie = NULL;
230 uint offset, ielen, ie_offset, remainder_ielen = 0;
231 u8 *pie = pnetwork->IEs;
233 p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
234 pnetwork->IELength - _FIXED_IE_LENGTH_);
235 if (p && ielen > 0) {
238 premainder_ie = p + ielen;
240 ie_offset = (int)(p - pie);
242 remainder_ielen = pnetwork->IELength - ie_offset - ielen;
247 if (remainder_ielen > 0) {
248 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
249 if (pbackup_remainder_ie && premainder_ie)
250 memcpy(pbackup_remainder_ie,
251 premainder_ie, remainder_ielen);
254 /* copy remainder IE */
255 if (pbackup_remainder_ie) {
256 memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
258 kfree(pbackup_remainder_ie);
261 offset = (uint)(dst_ie - pie);
262 pnetwork->IELength = offset + remainder_ielen;
265 static u8 chk_sta_is_alive(struct sta_info *psta)
269 if ((psta->sta_stats.last_rx_data_pkts +
270 psta->sta_stats.last_rx_ctrl_pkts) ==
271 (psta->sta_stats.rx_data_pkts +
272 psta->sta_stats.rx_ctrl_pkts))
277 sta_update_last_rx_pkts(psta);
282 void expire_timeout_chk(struct adapter *padapter)
284 struct list_head *phead, *plist;
286 struct sta_info *psta = NULL;
287 struct sta_priv *pstapriv = &padapter->stapriv;
288 u8 chk_alive_num = 0;
289 char chk_alive_list[NUM_STA];
292 spin_lock_bh(&pstapriv->auth_list_lock);
294 phead = &pstapriv->auth_list;
297 /* check auth_queue */
298 while (phead != plist) {
299 psta = container_of(plist, struct sta_info, auth_list);
302 if (psta->expire_to > 0) {
304 if (psta->expire_to == 0) {
305 list_del_init(&psta->auth_list);
306 pstapriv->auth_list_cnt--;
308 DBG_88E("auth expire %6ph\n",
311 spin_unlock_bh(&pstapriv->auth_list_lock);
313 spin_lock_bh(&(pstapriv->sta_hash_lock));
314 rtw_free_stainfo(padapter, psta);
315 spin_unlock_bh(&(pstapriv->sta_hash_lock));
317 spin_lock_bh(&pstapriv->auth_list_lock);
322 spin_unlock_bh(&pstapriv->auth_list_lock);
326 spin_lock_bh(&pstapriv->asoc_list_lock);
328 phead = &pstapriv->asoc_list;
331 /* check asoc_queue */
332 while (phead != plist) {
333 psta = container_of(plist, struct sta_info, asoc_list);
336 if (chk_sta_is_alive(psta) || !psta->expire_to) {
337 psta->expire_to = pstapriv->expire_to;
338 psta->keep_alive_trycnt = 0;
339 psta->under_exist_checking = 0;
344 if (psta->expire_to <= 0) {
345 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
347 if (padapter->registrypriv.wifi_spec == 1) {
348 psta->expire_to = pstapriv->expire_to;
352 if (psta->state & WIFI_SLEEP_STATE) {
353 if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
354 /* to check if alive by another methods
355 * if station is at ps mode.
357 psta->expire_to = pstapriv->expire_to;
358 psta->state |= WIFI_STA_ALIVE_CHK_STATE;
360 /* to update bcn with tim_bitmap
363 pstapriv->tim_bitmap |= BIT(psta->aid);
364 update_beacon(padapter, _TIM_IE_,
367 if (!pmlmeext->active_keep_alive_check)
371 if (pmlmeext->active_keep_alive_check) {
375 rtw_stainfo_offset(pstapriv, psta);
376 if (stainfo_offset_valid(stainfo_offset))
377 chk_alive_list[chk_alive_num++] = stainfo_offset;
381 list_del_init(&psta->asoc_list);
382 pstapriv->asoc_list_cnt--;
384 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
385 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
387 /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
388 if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
389 padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
390 DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
391 (psta->hwaddr), psta->sleepq_len,
392 padapter->xmitpriv.free_xmitframe_cnt,
393 pstapriv->asoc_list_cnt);
394 wakeup_sta_to_xmit(padapter, psta);
399 spin_unlock_bh(&pstapriv->asoc_list_lock);
402 u8 backup_oper_channel = 0;
403 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
404 /* switch to correct channel of current network before issue keep-alive frames */
405 if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
406 backup_oper_channel = rtw_get_oper_ch(padapter);
407 SelectChannel(padapter, pmlmeext->cur_channel);
410 /* issue null data to check sta alive*/
411 for (i = 0; i < chk_alive_num; i++) {
414 psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
416 if (psta->state & WIFI_SLEEP_STATE)
417 ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
419 ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
421 psta->keep_alive_trycnt++;
422 if (ret == _SUCCESS) {
423 DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
424 psta->expire_to = pstapriv->expire_to;
425 psta->keep_alive_trycnt = 0;
427 } else if (psta->keep_alive_trycnt <= 3) {
428 DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
433 psta->keep_alive_trycnt = 0;
435 DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
436 spin_lock_bh(&pstapriv->asoc_list_lock);
437 list_del_init(&psta->asoc_list);
438 pstapriv->asoc_list_cnt--;
439 updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
440 spin_unlock_bh(&pstapriv->asoc_list_lock);
443 if (backup_oper_channel > 0) /* back to the original operation channel */
444 SelectChannel(padapter, backup_oper_channel);
447 associated_clients_update(padapter, updated);
450 void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
455 unsigned char sta_band = 0, raid, shortGIrate = false;
457 unsigned int tx_ra_bitmap = 0;
458 struct ht_priv *psta_ht = NULL;
459 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
460 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
463 psta_ht = &psta->htpriv;
467 if (!(psta->state & _FW_LINKED))
470 /* b/g mode ra_bitmap */
471 for (i = 0; i < sizeof(psta->bssrateset); i++) {
472 if (psta->bssrateset[i])
473 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
475 /* n mode ra_bitmap */
476 if (psta_ht->ht_option) {
477 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
478 if (rf_type == RF_2T2R)
483 for (i = 0; i < limit; i++) {
484 if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8))
485 tx_ra_bitmap |= BIT(i + 12);
488 /* max short GI rate */
489 shortGIrate = psta_ht->sgi;
492 if (pcur_network->Configuration.DSConfig > 14) {
494 if (tx_ra_bitmap & 0xffff000)
495 sta_band |= WIRELESS_11_5N | WIRELESS_11A;
497 sta_band |= WIRELESS_11A;
499 if (tx_ra_bitmap & 0xffff000)
500 sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
501 else if (tx_ra_bitmap & 0xff0)
502 sta_band |= WIRELESS_11G | WIRELESS_11B;
504 sta_band |= WIRELESS_11B;
507 psta->wireless_mode = sta_band;
509 raid = networktype_to_raid(sta_band);
510 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
512 if (psta->aid < NUM_STA) {
515 arg = psta->mac_id & 0x1f;
517 arg |= BIT(7);/* support entry 2~31 */
522 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
524 DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
525 __func__, psta->mac_id, raid, tx_ra_bitmap, arg);
527 /* bitmap[0:27] = tx_rate_bitmap */
528 /* bitmap[28:31]= Rate Adaptive id */
529 /* arg[0:4] = macid */
530 /* arg[5] = Short GI */
531 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
536 /* set ra_id, init_rate */
538 psta->init_rate = init_rate;
541 DBG_88E("station aid %d exceed the max number\n", psta->aid);
545 static void update_bmc_sta(struct adapter *padapter)
548 unsigned char network_type, raid;
549 int i, supportRateNum = 0;
550 unsigned int tx_ra_bitmap = 0;
551 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
552 struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
553 struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
556 psta->aid = 0;/* default set to 0 */
557 psta->mac_id = psta->aid + 1;
559 psta->qos_option = 0;
560 psta->htpriv.ht_option = false;
562 psta->ieee8021x_blocked = 0;
564 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
566 /* prepare for add_RATid */
567 supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
568 network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
570 memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
571 psta->bssratelen = supportRateNum;
573 /* b/g mode ra_bitmap */
574 for (i = 0; i < supportRateNum; i++) {
575 if (psta->bssrateset[i])
576 tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f);
579 if (pcur_network->Configuration.DSConfig > 14) {
580 /* force to A mode. 5G doesn't support CCK rates */
581 network_type = WIRELESS_11A;
582 tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
584 /* force to b mode */
585 network_type = WIRELESS_11B;
589 raid = networktype_to_raid(network_type);
590 init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f;
593 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
598 arg = psta->mac_id&0x1f;
600 tx_ra_bitmap |= ((raid << 28) & 0xf0000000);
601 DBG_88E("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
603 /* bitmap[0:27] = tx_rate_bitmap */
604 /* bitmap[28:31]= Rate Adaptive id */
605 /* arg[0:4] = macid */
606 /* arg[5] = Short GI */
607 rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
609 /* set ra_id, init_rate */
611 psta->init_rate = init_rate;
613 rtw_stassoc_hw_rpt(padapter, psta);
615 spin_lock_bh(&psta->lock);
616 psta->state = _FW_LINKED;
617 spin_unlock_bh(&psta->lock);
620 DBG_88E("add_RATid_bmc_sta error!\n");
625 /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
626 /* MAC_ID = AID+1 for sta in ap/adhoc mode */
627 /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
628 /* MAC_ID = 0 for bssid for sta/ap/adhoc */
629 /* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
631 void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
633 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
634 struct security_priv *psecuritypriv = &padapter->securitypriv;
635 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
636 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
637 struct ht_priv *phtpriv_sta = &psta->htpriv;
639 psta->mac_id = psta->aid + 1;
640 DBG_88E("%s\n", __func__);
643 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
645 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
646 psta->ieee8021x_blocked = true;
648 psta->ieee8021x_blocked = false;
651 /* update sta's cap */
654 VCS_update(padapter, psta);
656 if (phtpriv_sta->ht_option) {
657 /* check if sta supports rx ampdu */
658 phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
660 /* check if sta support s Short GI */
661 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
662 phtpriv_ap->ht_cap.cap_info) &
663 (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
664 phtpriv_sta->sgi = true;
667 if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info &
668 phtpriv_ap->ht_cap.cap_info) &
669 IEEE80211_HT_CAP_SUP_WIDTH) {
670 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
671 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
673 psta->qos_option = true;
675 phtpriv_sta->ampdu_enable = false;
676 phtpriv_sta->sgi = false;
677 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
678 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
682 send_delba(padapter, 0, psta->hwaddr);/* recipient */
685 send_delba(padapter, 1, psta->hwaddr);/* originator */
686 phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
687 phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
689 /* todo: init other variables */
691 memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats));
693 spin_lock_bh(&psta->lock);
694 psta->state |= _FW_LINKED;
695 spin_unlock_bh(&psta->lock);
698 static void update_hw_ht_param(struct adapter *padapter)
700 unsigned char max_AMPDU_len;
701 unsigned char min_MPDU_spacing;
702 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
703 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
705 DBG_88E("%s\n", __func__);
707 /* handle A-MPDU parameter field */
709 ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
710 ampdu_params_info [4:2]:Min MPDU Start Spacing
712 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
714 min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
716 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
718 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
721 /* Config SM Power Save setting */
723 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2;
724 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
725 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
728 static void start_bss_network(struct adapter *padapter, u8 *pbuf)
731 u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
735 struct registry_priv *pregpriv = &padapter->registrypriv;
736 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
737 struct security_priv *psecuritypriv = &(padapter->securitypriv);
738 struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
739 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
740 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
741 struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
742 struct HT_info_element *pht_info = NULL;
744 bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
745 cur_channel = pnetwork->Configuration.DSConfig;
746 cur_bwmode = HT_CHANNEL_WIDTH_20;
747 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
750 /* check if there is wps ie, */
751 /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
752 /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
753 if (!rtw_get_wps_ie(pnetwork->IEs + _FIXED_IE_LENGTH_, pnetwork->IELength - _FIXED_IE_LENGTH_, NULL, NULL))
754 pmlmeext->bstart_bss = true;
756 /* todo: update wmm, ht cap */
757 if (pmlmepriv->qospriv.qos_option)
758 pmlmeinfo->WMM_enable = true;
759 if (pmlmepriv->htpriv.ht_option) {
760 pmlmeinfo->WMM_enable = true;
761 pmlmeinfo->HT_enable = true;
763 update_hw_ht_param(padapter);
766 if (pmlmepriv->cur_network.join_res != true) { /* setting only at first time */
767 /* WEP Key will be set before this function, do not clear CAM. */
768 if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
769 (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
770 flush_all_cam_entry(padapter); /* clear CAM */
773 /* set MSR to AP_Mode */
774 Set_MSR(padapter, _HW_STATE_AP_);
777 rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
779 /* Set EDCA param reg */
780 acparm = 0x002F3217; /* VO */
781 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
782 acparm = 0x005E4317; /* VI */
783 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
785 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
786 acparm = 0x0000A444; /* BK */
787 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
790 val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
791 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
793 /* Beacon Control related register */
794 rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
796 UpdateBrateTbl(padapter, pnetwork->SupportedRates);
797 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
799 if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
800 /* turn on all dynamic functions */
801 Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
803 /* set channel, bwmode */
804 p = rtw_get_ie((pnetwork->IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - sizeof(struct ndis_802_11_fixed_ie)));
806 pht_info = (struct HT_info_element *)(p + 2);
808 if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
809 /* switch to the 40M Hz mode */
810 cur_bwmode = HT_CHANNEL_WIDTH_40;
811 switch (pht_info->infos[0] & 0x3) {
813 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
816 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
819 cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
824 /* TODO: need to judge the phy parameters on concurrent mode for single phy */
825 set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
827 DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
830 pmlmeext->cur_channel = cur_channel;
831 pmlmeext->cur_bwmode = cur_bwmode;
832 pmlmeext->cur_ch_offset = cur_ch_offset;
833 pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
835 /* update cur_wireless_mode */
836 update_wireless_mode(padapter);
838 /* update capability after cur_wireless_mode updated */
839 update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
841 /* let pnetwork_mlmeext == pnetwork_mlme. */
842 memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
844 if (pmlmeext->bstart_bss) {
845 update_beacon(padapter, _TIM_IE_, NULL, false);
847 /* issue beacon frame */
848 if (send_beacon(padapter) == _FAIL)
849 DBG_88E("send_beacon, fail!\n");
852 /* update bc/mc sta_info */
853 update_bmc_sta(padapter);
856 int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
860 u8 *pHT_caps_ie = NULL;
861 u8 *pHT_info_ie = NULL;
862 struct sta_info *psta = NULL;
863 u16 cap, ht_cap = false;
865 int group_cipher, pairwise_cipher;
866 u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
867 int supportRateNum = 0;
868 u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
869 u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
870 struct registry_priv *pregistrypriv = &padapter->registrypriv;
871 struct security_priv *psecuritypriv = &padapter->securitypriv;
872 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
873 struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
874 u8 *ie = pbss_network->IEs;
877 /* Supported rates */
879 /* WLAN_EID_COUNTRY */
880 /* ERP Information element */
881 /* Extended supported rates */
883 /* Wi-Fi Wireless Multimedia Extensions */
884 /* ht_capab, ht_oper */
887 DBG_88E("%s, len =%d\n", __func__, len);
889 if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
893 if (len < 0 || len > MAX_IE_SZ)
896 pbss_network->IELength = len;
898 memset(ie, 0, MAX_IE_SZ);
900 memcpy(ie, pbuf, pbss_network->IELength);
903 if (pbss_network->InfrastructureMode != Ndis802_11APMode)
906 pbss_network->Rssi = 0;
908 ether_addr_copy(pbss_network->MacAddress, myid(&(padapter->eeprompriv)));
910 /* beacon interval */
911 p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
912 pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
915 cap = get_unaligned_le16(ie);
918 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
919 if (p && ie_len > 0) {
920 ie_len = min_t(int, ie_len, sizeof(pbss_network->Ssid.Ssid));
921 memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
922 memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
923 pbss_network->Ssid.SsidLength = ie_len;
928 pbss_network->Configuration.Length = 0;
929 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
933 pbss_network->Configuration.DSConfig = channel;
935 memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
936 /* get supported rates */
937 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
939 ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX);
940 memcpy(supportRate, p + 2, ie_len);
941 supportRateNum = ie_len;
944 /* get ext_supported rates */
945 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
947 ie_len = min_t(int, ie_len,
948 NDIS_802_11_LENGTH_RATES_EX - supportRateNum);
949 memcpy(supportRate + supportRateNum, p + 2, ie_len);
950 supportRateNum += ie_len;
953 network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
955 rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
958 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
960 ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
962 /* update privacy/security */
964 pbss_network->Privacy = 1;
966 pbss_network->Privacy = 0;
968 psecuritypriv->wpa_psk = 0;
973 psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
974 psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
975 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
976 if (p && ie_len > 0) {
977 if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
978 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
980 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
981 psecuritypriv->wpa_psk |= BIT(1);
983 psecuritypriv->wpa2_group_cipher = group_cipher;
984 psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
991 psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
992 psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
993 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
994 p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
995 (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
996 if ((p) && (!memcmp(p + 2, OUI1, 4))) {
997 if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher,
998 &pairwise_cipher, NULL) == _SUCCESS) {
999 psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
1001 psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
1003 psecuritypriv->wpa_psk |= BIT(0);
1005 psecuritypriv->wpa_group_cipher = group_cipher;
1006 psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
1010 if ((p == NULL) || (ie_len == 0))
1016 pmlmepriv->qospriv.qos_option = 0;
1017 if (pregistrypriv->wmm_enable) {
1018 for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
1019 p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
1020 (pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
1021 if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) {
1022 pmlmepriv->qospriv.qos_option = 1;
1024 *(p + 8) |= BIT(7);/* QoS Info, support U-APSD */
1026 /* disable all ACM bits since the WMM admission control is not supported */
1027 *(p + 10) &= ~BIT(4); /* BE */
1028 *(p + 14) &= ~BIT(4); /* BK */
1029 *(p + 18) &= ~BIT(4); /* VI */
1030 *(p + 22) &= ~BIT(4); /* VO */
1034 if ((p == NULL) || (ie_len == 0))
1038 /* parsing HT_CAP_IE */
1039 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
1040 (pbss_network->IELength - _BEACON_IE_OFFSET_));
1041 if (p && ie_len > 0) {
1043 struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1047 network_type |= WIRELESS_11_24N;
1049 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1051 if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
1052 (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
1053 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2));
1055 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
1057 /* set Max Rx AMPDU size to 64K */
1058 pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
1060 if (rf_type == RF_1T1R) {
1061 pht_cap->mcs.rx_mask[0] = 0xff;
1062 pht_cap->mcs.rx_mask[1] = 0x0;
1064 ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap));
1065 memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
1068 /* parsing HT_INFO_IE */
1069 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
1070 (pbss_network->IELength - _BEACON_IE_OFFSET_));
1071 if (p && ie_len > 0)
1073 switch (network_type) {
1075 pbss_network->NetworkTypeInUse = Ndis802_11DS;
1079 case WIRELESS_11G_24N:
1080 case WIRELESS_11BG_24N:
1081 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1084 pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
1087 pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
1091 pmlmepriv->cur_network.network_type = network_type;
1093 pmlmepriv->htpriv.ht_option = false;
1095 if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
1096 (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
1098 /* ht_cap = false; */
1102 if (pregistrypriv->ht_enable && ht_cap) {
1103 pmlmepriv->htpriv.ht_option = true;
1104 pmlmepriv->qospriv.qos_option = 1;
1106 if (pregistrypriv->ampdu_enable == 1)
1107 pmlmepriv->htpriv.ampdu_enable = true;
1108 HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
1110 HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
1113 pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
1115 /* issue beacon to start bss network */
1116 start_bss_network(padapter, (u8 *)pbss_network);
1118 /* alloc sta_info for ap itself */
1119 psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1121 psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
1126 /* fix bug of flush_cam_entry at STOP AP mode */
1127 psta->state |= WIFI_AP_STATE;
1128 rtw_indicate_connect(padapter);
1129 pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
1133 void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
1135 struct sta_priv *pstapriv = &padapter->stapriv;
1136 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1138 DBG_88E("%s, mode =%d\n", __func__, mode);
1140 pacl_list->mode = mode;
1143 int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
1145 struct list_head *plist, *phead;
1148 struct rtw_wlan_acl_node *paclnode;
1149 struct sta_priv *pstapriv = &padapter->stapriv;
1150 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1151 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1153 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1155 if ((NUM_ACL - 1) < pacl_list->num)
1158 spin_lock_bh(&(pacl_node_q->lock));
1160 phead = get_list_head(pacl_node_q);
1161 plist = phead->next;
1163 while (phead != plist) {
1164 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1165 plist = plist->next;
1167 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1168 if (paclnode->valid) {
1170 DBG_88E("%s, sta has been added\n", __func__);
1176 spin_unlock_bh(&(pacl_node_q->lock));
1181 spin_lock_bh(&(pacl_node_q->lock));
1183 for (i = 0; i < NUM_ACL; i++) {
1184 paclnode = &pacl_list->aclnode[i];
1186 if (!paclnode->valid) {
1187 INIT_LIST_HEAD(&paclnode->list);
1189 ether_addr_copy(paclnode->addr, addr);
1191 paclnode->valid = true;
1193 list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
1201 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1203 spin_unlock_bh(&(pacl_node_q->lock));
1208 int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
1210 struct list_head *plist, *phead;
1211 struct rtw_wlan_acl_node *paclnode;
1212 struct sta_priv *pstapriv = &padapter->stapriv;
1213 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1214 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1216 DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
1218 spin_lock_bh(&(pacl_node_q->lock));
1220 phead = get_list_head(pacl_node_q);
1221 plist = phead->next;
1223 while (phead != plist) {
1224 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1225 plist = plist->next;
1227 if (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
1228 if (paclnode->valid) {
1229 paclnode->valid = false;
1231 list_del_init(&paclnode->list);
1238 spin_unlock_bh(&(pacl_node_q->lock));
1240 DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
1244 static void update_bcn_erpinfo_ie(struct adapter *padapter)
1246 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1247 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1248 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1249 struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1250 unsigned char *p, *ie = pnetwork->IEs;
1253 DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
1255 if (!pmlmeinfo->ERP_enable)
1258 /* parsing ERP_IE */
1259 p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
1260 (pnetwork->IELength - _BEACON_IE_OFFSET_));
1262 struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
1264 if (pmlmepriv->num_sta_non_erp == 1)
1265 pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
1267 pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
1269 if (pmlmepriv->num_sta_no_short_preamble > 0)
1270 pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
1272 pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
1274 ERP_IE_handler(padapter, pIE);
1278 static void update_bcn_wps_ie(struct adapter *padapter)
1280 u8 *pwps_ie = NULL, *pwps_ie_src;
1281 u8 *premainder_ie, *pbackup_remainder_ie = NULL;
1282 uint wps_ielen = 0, wps_offset, remainder_ielen;
1283 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1284 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1285 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1286 struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
1287 unsigned char *ie = pnetwork->IEs;
1288 u32 ielen = pnetwork->IELength;
1290 DBG_88E("%s\n", __func__);
1292 pwps_ie_src = pmlmepriv->wps_beacon_ie;
1293 if (pwps_ie_src == NULL)
1296 pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
1298 if (pwps_ie == NULL || wps_ielen == 0)
1301 wps_offset = (uint)(pwps_ie-ie);
1303 premainder_ie = pwps_ie + wps_ielen;
1305 remainder_ielen = ielen - wps_offset - wps_ielen;
1307 if (remainder_ielen > 0) {
1308 pbackup_remainder_ie = rtw_malloc(remainder_ielen);
1309 if (pbackup_remainder_ie)
1310 memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
1313 wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
1314 if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
1315 memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
1316 pwps_ie += (wps_ielen+2);
1318 if (pbackup_remainder_ie)
1319 memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
1321 /* update IELength */
1322 pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
1325 kfree(pbackup_remainder_ie);
1328 static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
1330 DBG_88E("%s\n", __func__);
1332 if (!memcmp(WPS_OUI, oui, 4))
1333 update_bcn_wps_ie(padapter);
1335 DBG_88E("unknown OUI type!\n");
1338 void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
1340 struct mlme_priv *pmlmepriv;
1341 struct mlme_ext_priv *pmlmeext;
1346 pmlmepriv = &(padapter->mlmepriv);
1347 pmlmeext = &(padapter->mlmeextpriv);
1349 if (!pmlmeext->bstart_bss)
1352 spin_lock_bh(&pmlmepriv->bcn_update_lock);
1356 update_BCNTIM(padapter);
1359 update_bcn_erpinfo_ie(padapter);
1361 case _VENDOR_SPECIFIC_IE_:
1362 update_bcn_vendor_spec_ie(padapter, oui);
1368 pmlmepriv->update_bcn = true;
1370 spin_unlock_bh(&pmlmepriv->bcn_update_lock);
1373 set_tx_beacon_cmd(padapter);
1378 Set to 0 (HT pure) under the following conditions
1379 - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
1380 - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
1381 Set to 1 (HT non-member protection) if there may be non-HT STAs
1382 in both the primary and the secondary channel
1383 Set to 2 if only HT STAs are associated in BSS,
1384 however and at least one 20 MHz HT STA is associated
1385 Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
1386 (currently non-GF HT station is considered as non-HT STA also)
1388 static int rtw_ht_operation_update(struct adapter *padapter)
1390 u16 cur_op_mode, new_op_mode;
1391 int op_mode_changes = 0;
1392 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1393 struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
1395 if (pmlmepriv->htpriv.ht_option)
1398 DBG_88E("%s current operation mode = 0x%X\n",
1399 __func__, pmlmepriv->ht_op_mode);
1401 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1402 pmlmepriv->num_sta_ht_no_gf) {
1403 pmlmepriv->ht_op_mode |=
1404 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1406 } else if ((pmlmepriv->ht_op_mode &
1407 HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
1408 pmlmepriv->num_sta_ht_no_gf == 0) {
1409 pmlmepriv->ht_op_mode &=
1410 ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
1414 if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1415 (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
1416 pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1418 } else if ((pmlmepriv->ht_op_mode &
1419 HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
1420 (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
1421 pmlmepriv->ht_op_mode &=
1422 ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
1426 /* Note: currently we switch to the MIXED op mode if HT non-greenfield
1427 * station is associated. Probably it's a theoretical case, since
1428 * it looks like all known HT STAs support greenfield.
1431 if (pmlmepriv->num_sta_no_ht ||
1432 (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
1433 new_op_mode = OP_MODE_MIXED;
1434 else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) &
1435 IEEE80211_HT_CAP_SUP_WIDTH) &&
1436 pmlmepriv->num_sta_ht_20mhz)
1437 new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
1438 else if (pmlmepriv->olbc_ht)
1439 new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
1441 new_op_mode = OP_MODE_PURE;
1443 cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1444 if (cur_op_mode != new_op_mode) {
1445 pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
1446 pmlmepriv->ht_op_mode |= new_op_mode;
1450 DBG_88E("%s new operation mode = 0x%X changes =%d\n",
1451 __func__, pmlmepriv->ht_op_mode, op_mode_changes);
1453 return op_mode_changes;
1456 void associated_clients_update(struct adapter *padapter, u8 updated)
1458 /* update associated stations cap. */
1460 struct list_head *phead, *plist;
1461 struct sta_info *psta = NULL;
1462 struct sta_priv *pstapriv = &padapter->stapriv;
1464 spin_lock_bh(&pstapriv->asoc_list_lock);
1466 phead = &pstapriv->asoc_list;
1467 plist = phead->next;
1469 /* check asoc_queue */
1470 while (phead != plist) {
1471 psta = container_of(plist, struct sta_info, asoc_list);
1473 plist = plist->next;
1475 VCS_update(padapter, psta);
1477 spin_unlock_bh(&pstapriv->asoc_list_lock);
1481 /* called > TSR LEVEL for USB or SDIO Interface*/
1482 void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
1484 u8 beacon_updated = false;
1485 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1486 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1488 if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
1489 if (!psta->no_short_preamble_set) {
1490 psta->no_short_preamble_set = 1;
1492 pmlmepriv->num_sta_no_short_preamble++;
1494 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1495 (pmlmepriv->num_sta_no_short_preamble == 1)) {
1496 beacon_updated = true;
1497 update_beacon(padapter, 0xFF, NULL, true);
1501 if (psta->no_short_preamble_set) {
1502 psta->no_short_preamble_set = 0;
1504 pmlmepriv->num_sta_no_short_preamble--;
1506 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1507 (pmlmepriv->num_sta_no_short_preamble == 0)) {
1508 beacon_updated = true;
1509 update_beacon(padapter, 0xFF, NULL, true);
1514 if (psta->flags & WLAN_STA_NONERP) {
1515 if (!psta->nonerp_set) {
1516 psta->nonerp_set = 1;
1518 pmlmepriv->num_sta_non_erp++;
1520 if (pmlmepriv->num_sta_non_erp == 1) {
1521 beacon_updated = true;
1522 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1526 if (psta->nonerp_set) {
1527 psta->nonerp_set = 0;
1529 pmlmepriv->num_sta_non_erp--;
1531 if (pmlmepriv->num_sta_non_erp == 0) {
1532 beacon_updated = true;
1533 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1538 if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) {
1539 if (!psta->no_short_slot_time_set) {
1540 psta->no_short_slot_time_set = 1;
1542 pmlmepriv->num_sta_no_short_slot_time++;
1544 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1545 (pmlmepriv->num_sta_no_short_slot_time == 1)) {
1546 beacon_updated = true;
1547 update_beacon(padapter, 0xFF, NULL, true);
1551 if (psta->no_short_slot_time_set) {
1552 psta->no_short_slot_time_set = 0;
1554 pmlmepriv->num_sta_no_short_slot_time--;
1556 if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
1557 (pmlmepriv->num_sta_no_short_slot_time == 0)) {
1558 beacon_updated = true;
1559 update_beacon(padapter, 0xFF, NULL, true);
1564 if (psta->flags & WLAN_STA_HT) {
1565 u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info);
1567 DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
1568 (psta->hwaddr), ht_capab);
1570 if (psta->no_ht_set) {
1571 psta->no_ht_set = 0;
1572 pmlmepriv->num_sta_no_ht--;
1575 if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
1576 if (!psta->no_ht_gf_set) {
1577 psta->no_ht_gf_set = 1;
1578 pmlmepriv->num_sta_ht_no_gf++;
1580 DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
1581 __func__, (psta->hwaddr),
1582 pmlmepriv->num_sta_ht_no_gf);
1585 if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
1586 if (!psta->ht_20mhz_set) {
1587 psta->ht_20mhz_set = 1;
1588 pmlmepriv->num_sta_ht_20mhz++;
1590 DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
1591 __func__, (psta->hwaddr),
1592 pmlmepriv->num_sta_ht_20mhz);
1595 if (!psta->no_ht_set) {
1596 psta->no_ht_set = 1;
1597 pmlmepriv->num_sta_no_ht++;
1599 if (pmlmepriv->htpriv.ht_option) {
1600 DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
1601 __func__, (psta->hwaddr),
1602 pmlmepriv->num_sta_no_ht);
1606 if (rtw_ht_operation_update(padapter) > 0) {
1607 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1608 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1611 /* update associated stations cap. */
1612 associated_clients_update(padapter, beacon_updated);
1614 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1617 u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
1619 u8 beacon_updated = false;
1620 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1621 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1624 return beacon_updated;
1626 if (psta->no_short_preamble_set) {
1627 psta->no_short_preamble_set = 0;
1628 pmlmepriv->num_sta_no_short_preamble--;
1629 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1630 pmlmepriv->num_sta_no_short_preamble == 0) {
1631 beacon_updated = true;
1632 update_beacon(padapter, 0xFF, NULL, true);
1636 if (psta->nonerp_set) {
1637 psta->nonerp_set = 0;
1638 pmlmepriv->num_sta_non_erp--;
1639 if (pmlmepriv->num_sta_non_erp == 0) {
1640 beacon_updated = true;
1641 update_beacon(padapter, _ERPINFO_IE_, NULL, true);
1645 if (psta->no_short_slot_time_set) {
1646 psta->no_short_slot_time_set = 0;
1647 pmlmepriv->num_sta_no_short_slot_time--;
1648 if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
1649 pmlmepriv->num_sta_no_short_slot_time == 0) {
1650 beacon_updated = true;
1651 update_beacon(padapter, 0xFF, NULL, true);
1655 if (psta->no_ht_gf_set) {
1656 psta->no_ht_gf_set = 0;
1657 pmlmepriv->num_sta_ht_no_gf--;
1660 if (psta->no_ht_set) {
1661 psta->no_ht_set = 0;
1662 pmlmepriv->num_sta_no_ht--;
1665 if (psta->ht_20mhz_set) {
1666 psta->ht_20mhz_set = 0;
1667 pmlmepriv->num_sta_ht_20mhz--;
1670 if (rtw_ht_operation_update(padapter) > 0) {
1671 update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
1672 update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
1675 /* update associated stations cap. */
1677 DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
1679 return beacon_updated;
1682 u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
1683 bool active, u16 reason)
1685 u8 beacon_updated = false;
1686 struct sta_priv *pstapriv = &padapter->stapriv;
1689 return beacon_updated;
1691 /* tear down Rx AMPDU */
1692 send_delba(padapter, 0, psta->hwaddr);/* recipient */
1694 /* tear down TX AMPDU */
1695 send_delba(padapter, 1, psta->hwaddr);/* originator */
1696 psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
1697 psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
1700 issue_deauth(padapter, psta->hwaddr, reason);
1702 /* clear cam entry / key */
1703 rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
1706 spin_lock_bh(&psta->lock);
1707 psta->state &= ~_FW_LINKED;
1708 spin_unlock_bh(&psta->lock);
1710 rtw_indicate_sta_disassoc_event(padapter, psta);
1712 report_del_sta_event(padapter, psta->hwaddr, reason);
1714 beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
1716 spin_lock_bh(&(pstapriv->sta_hash_lock));
1717 rtw_free_stainfo(padapter, psta);
1718 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1720 return beacon_updated;
1723 int rtw_sta_flush(struct adapter *padapter)
1725 struct list_head *phead, *plist;
1726 struct sta_info *psta = NULL;
1727 struct sta_priv *pstapriv = &padapter->stapriv;
1728 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1729 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1730 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1732 DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
1734 if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
1737 spin_lock_bh(&pstapriv->asoc_list_lock);
1738 phead = &pstapriv->asoc_list;
1739 plist = phead->next;
1741 /* free sta asoc_queue */
1742 while (phead != plist) {
1743 psta = container_of(plist, struct sta_info, asoc_list);
1745 plist = plist->next;
1747 list_del_init(&psta->asoc_list);
1748 pstapriv->asoc_list_cnt--;
1750 ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
1752 spin_unlock_bh(&pstapriv->asoc_list_lock);
1755 issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
1757 associated_clients_update(padapter, true);
1762 /* called > TSR LEVEL for USB or SDIO Interface*/
1763 void sta_info_update(struct adapter *padapter, struct sta_info *psta)
1765 int flags = psta->flags;
1766 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1768 /* update wmm cap. */
1769 if (WLAN_STA_WME&flags)
1770 psta->qos_option = 1;
1772 psta->qos_option = 0;
1774 if (pmlmepriv->qospriv.qos_option == 0)
1775 psta->qos_option = 0;
1777 /* update 802.11n ht cap. */
1778 if (WLAN_STA_HT&flags) {
1779 psta->htpriv.ht_option = true;
1780 psta->qos_option = 1;
1782 psta->htpriv.ht_option = false;
1785 if (!pmlmepriv->htpriv.ht_option)
1786 psta->htpriv.ht_option = false;
1788 update_sta_info_apmode(padapter, psta);
1791 /* called >= TSR LEVEL for USB or SDIO Interface*/
1792 void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
1794 if (psta->state & _FW_LINKED) {
1796 add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
1800 void start_ap_mode(struct adapter *padapter)
1803 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1804 struct sta_priv *pstapriv = &padapter->stapriv;
1805 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1806 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1808 pmlmepriv->update_bcn = false;
1810 pmlmeext->bstart_bss = false;
1812 pmlmepriv->num_sta_non_erp = 0;
1814 pmlmepriv->num_sta_no_short_slot_time = 0;
1816 pmlmepriv->num_sta_no_short_preamble = 0;
1818 pmlmepriv->num_sta_ht_no_gf = 0;
1819 pmlmepriv->num_sta_no_ht = 0;
1820 pmlmepriv->num_sta_ht_20mhz = 0;
1822 pmlmepriv->olbc = false;
1824 pmlmepriv->olbc_ht = false;
1826 pmlmepriv->ht_op_mode = 0;
1828 for (i = 0; i < NUM_STA; i++)
1829 pstapriv->sta_aid[i] = NULL;
1831 pmlmepriv->wps_beacon_ie = NULL;
1832 pmlmepriv->wps_probe_resp_ie = NULL;
1833 pmlmepriv->wps_assoc_resp_ie = NULL;
1836 INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
1838 pacl_list->mode = 0;
1839 for (i = 0; i < NUM_ACL; i++) {
1840 INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
1841 pacl_list->aclnode[i].valid = false;
1845 void stop_ap_mode(struct adapter *padapter)
1847 struct list_head *phead, *plist;
1848 struct rtw_wlan_acl_node *paclnode;
1849 struct sta_info *psta = NULL;
1850 struct sta_priv *pstapriv = &padapter->stapriv;
1851 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1852 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1853 struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
1854 struct __queue *pacl_node_q = &pacl_list->acl_node_q;
1856 pmlmepriv->update_bcn = false;
1857 pmlmeext->bstart_bss = false;
1859 /* reset and init security priv , this can refine with rtw_reset_securitypriv */
1860 memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
1861 padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
1862 padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
1865 spin_lock_bh(&(pacl_node_q->lock));
1866 phead = get_list_head(pacl_node_q);
1867 plist = phead->next;
1868 while (phead != plist) {
1869 paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
1870 plist = plist->next;
1872 if (paclnode->valid) {
1873 paclnode->valid = false;
1875 list_del_init(&paclnode->list);
1880 spin_unlock_bh(&(pacl_node_q->lock));
1882 DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
1884 rtw_sta_flush(padapter);
1886 /* free_assoc_sta_resources */
1887 rtw_free_all_stainfo(padapter);
1889 psta = rtw_get_bcmc_stainfo(padapter);
1890 spin_lock_bh(&(pstapriv->sta_hash_lock));
1891 rtw_free_stainfo(padapter, psta);
1892 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1894 rtw_init_bcmc_stainfo(padapter);
1896 rtw_free_mlme_priv_ie_data(pmlmepriv);
1899 #endif /* CONFIG_88EU_AP_MODE */