1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
7 #include <linux/etherdevice.h>
10 #include <hal_btcoex.h>
11 #include <linux/jiffies.h>
13 int rtw_init_mlme_priv(struct adapter *padapter)
17 struct wlan_network *pnetwork;
18 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
21 pmlmepriv->nic_hdl = (u8 *)padapter;
23 pmlmepriv->pscanned = NULL;
24 pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
25 /* wdev->iftype = NL80211_IFTYPE_STATION */
26 pmlmepriv->cur_network.network.infrastructure_mode = Ndis802_11AutoUnknown;
27 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
29 spin_lock_init(&pmlmepriv->lock);
30 _rtw_init_queue(&pmlmepriv->free_bss_pool);
31 _rtw_init_queue(&pmlmepriv->scanned_queue);
33 set_scanned_network_val(pmlmepriv, 0);
35 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
37 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
43 pmlmepriv->free_bss_buf = pbuf;
45 pnetwork = (struct wlan_network *)pbuf;
47 for (i = 0; i < MAX_BSS_CNT; i++) {
48 INIT_LIST_HEAD(&pnetwork->list);
50 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
55 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
57 rtw_clear_scan_deny(padapter);
59 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
60 #define RTW_ROAM_RSSI_DIFF_TH 10
61 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
63 pmlmepriv->roam_flags = 0
68 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
69 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
70 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
72 rtw_init_mlme_timer(padapter);
79 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
88 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
90 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
91 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
92 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
93 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
94 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
95 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
97 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
98 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
104 void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
107 rtw_free_mlme_priv_ie_data(pmlmepriv);
108 vfree(pmlmepriv->free_bss_buf);
113 struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
117 struct wlan_network *pnetwork;
119 spin_lock_bh(&queue->lock);
121 if (list_empty(&queue->queue))
127 pnetwork = container_of(get_next(&queue->queue), struct wlan_network, list);
129 list_del_init(&(pnetwork->list));
132 spin_unlock_bh(&queue->lock);
138 struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
140 struct wlan_network *pnetwork;
141 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
142 struct list_head *plist = NULL;
144 spin_lock_bh(&free_queue->lock);
146 if (list_empty(&free_queue->queue)) {
150 plist = get_next(&(free_queue->queue));
152 pnetwork = container_of(plist, struct wlan_network, list);
154 list_del_init(&pnetwork->list);
156 pnetwork->network_type = 0;
157 pnetwork->fixed = false;
158 pnetwork->last_scanned = jiffies;
160 pnetwork->join_res = 0;
162 pmlmepriv->num_of_scanned++;
165 spin_unlock_bh(&free_queue->lock);
170 void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
172 unsigned int delta_time;
173 u32 lifetime = SCANQUEUE_LIFETIME;
175 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
183 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
184 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
188 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
189 if (delta_time < lifetime)/* unit:msec */
193 spin_lock_bh(&free_queue->lock);
195 list_del_init(&(pnetwork->list));
197 list_add_tail(&(pnetwork->list), &(free_queue->queue));
199 pmlmepriv->num_of_scanned--;
201 spin_unlock_bh(&free_queue->lock);
204 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
207 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
215 /* spin_lock_irqsave(&free_queue->lock, irqL); */
217 list_del_init(&(pnetwork->list));
219 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
221 pmlmepriv->num_of_scanned--;
223 /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
227 return the wlan_network with the matching addr
229 Shall be called under atomic context... to avoid possible racing condition...
231 struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
233 struct list_head *phead, *plist;
234 struct wlan_network *pnetwork = NULL;
235 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
237 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
242 /* spin_lock_bh(&scanned_queue->lock); */
244 phead = get_list_head(scanned_queue);
245 list_for_each(plist, phead) {
246 pnetwork = list_entry(plist, struct wlan_network, list);
248 if (!memcmp(addr, pnetwork->network.mac_address, ETH_ALEN))
255 /* spin_unlock_bh(&scanned_queue->lock); */
261 void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
263 struct list_head *phead, *plist, *tmp;
264 struct wlan_network *pnetwork;
265 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
266 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
268 spin_lock_bh(&scanned_queue->lock);
270 phead = get_list_head(scanned_queue);
271 list_for_each_safe(plist, tmp, phead) {
273 pnetwork = list_entry(plist, struct wlan_network, list);
275 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
279 spin_unlock_bh(&scanned_queue->lock);
282 signed int rtw_if_up(struct adapter *padapter)
286 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
287 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false))
295 void rtw_generate_random_ibss(u8 *pibss)
297 unsigned long curtime = jiffies;
299 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
302 pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
303 pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
304 pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
307 u8 *rtw_get_capability_from_ie(u8 *ie)
312 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
316 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->ies), 2);
318 return le16_to_cpu(val);
321 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
326 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
328 _rtw_free_mlme_priv(pmlmepriv);
332 static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
334 struct wlan_network *pnetwork;
336 pnetwork = _rtw_dequeue_network(queue);
341 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
342 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
344 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
345 rtw_cfg80211_unlink_bss(padapter, pnetwork);
349 return the wlan_network with the matching addr
351 Shall be called under atomic context... to avoid possible racing condition...
353 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
355 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
360 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
363 struct security_priv *psecuritypriv = &adapter->securitypriv;
365 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
366 (pnetwork->network.privacy == 0))
368 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
369 (pnetwork->network.privacy == 1))
378 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
380 return (a->ssid.ssid_length == b->ssid.ssid_length)
381 && !memcmp(a->ssid.ssid, b->ssid.ssid, a->ssid.ssid_length);
384 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
389 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
392 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->ies), 2);
393 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->ies), 2);
395 s_cap = le16_to_cpu(tmps);
396 d_cap = le16_to_cpu(tmpd);
398 return (src->ssid.ssid_length == dst->ssid.ssid_length) &&
399 /* (src->configuration.ds_config == dst->configuration.ds_config) && */
400 ((!memcmp(src->mac_address, dst->mac_address, ETH_ALEN))) &&
401 ((!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length))) &&
402 ((s_cap & WLAN_CAPABILITY_IBSS) ==
403 (d_cap & WLAN_CAPABILITY_IBSS)) &&
404 ((s_cap & WLAN_CAPABILITY_ESS) ==
405 (d_cap & WLAN_CAPABILITY_ESS));
409 struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
411 struct list_head *phead, *plist;
412 struct wlan_network *found = NULL;
414 phead = get_list_head(scanned_queue);
415 list_for_each(plist, phead) {
416 found = list_entry(plist, struct wlan_network, list);
418 if (is_same_network(&network->network, &found->network, 0))
428 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
430 struct list_head *plist, *phead;
432 struct wlan_network *pwlan = NULL;
433 struct wlan_network *oldest = NULL;
435 phead = get_list_head(scanned_queue);
437 list_for_each(plist, phead) {
439 pwlan = list_entry(plist, struct wlan_network, list);
442 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
450 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
451 struct adapter *padapter, bool update_ie)
453 long rssi_ori = dst->rssi;
455 u8 sq_smp = src->phy_info.signal_quality;
461 /* The rule below is 1/5 for sample value, 4/5 for history value */
462 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
463 /* Take the recvpriv's value for the connected AP*/
464 ss_final = padapter->recvpriv.signal_strength;
465 sq_final = padapter->recvpriv.signal_qual;
466 /* the rssi value here is undecorated, and will be used for antenna diversity */
467 if (sq_smp != 101) /* from the right channel */
468 rssi_final = (src->rssi+dst->rssi*4)/5;
470 rssi_final = rssi_ori;
472 if (sq_smp != 101) { /* from the right channel */
473 ss_final = ((u32)(src->phy_info.signal_strength)+(u32)(dst->phy_info.signal_strength)*4)/5;
474 sq_final = ((u32)(src->phy_info.signal_quality)+(u32)(dst->phy_info.signal_quality)*4)/5;
475 rssi_final = (src->rssi+dst->rssi*4)/5;
477 /* bss info not receiving from the right channel, use the original RX signal infos */
478 ss_final = dst->phy_info.signal_strength;
479 sq_final = dst->phy_info.signal_quality;
480 rssi_final = dst->rssi;
486 dst->reserved[0] = src->reserved[0];
487 dst->reserved[1] = src->reserved[1];
488 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
491 dst->phy_info.signal_strength = ss_final;
492 dst->phy_info.signal_quality = sq_final;
493 dst->rssi = rssi_final;
496 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
498 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
500 rtw_bug_check(&(pmlmepriv->cur_network.network),
501 &(pmlmepriv->cur_network.network),
502 &(pmlmepriv->cur_network.network),
503 &(pmlmepriv->cur_network.network));
505 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
506 /* if (pmlmepriv->cur_network.network.ie_length<= pnetwork->ie_length) */
508 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
509 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fix_ie),
510 pmlmepriv->cur_network.network.ie_length);
516 Caller must hold pmlmepriv->lock first.
518 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
520 struct list_head *plist, *phead;
522 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
523 struct __queue *queue = &(pmlmepriv->scanned_queue);
524 struct wlan_network *pnetwork = NULL;
525 struct wlan_network *oldest = NULL;
529 spin_lock_bh(&queue->lock);
530 phead = get_list_head(queue);
531 list_for_each(plist, phead) {
532 pnetwork = list_entry(plist, struct wlan_network, list);
534 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
536 if (is_same_network(&(pnetwork->network), target, feature)) {
541 if (rtw_roam_flags(adapter)) {
542 /* TODO: don't select network in the same ess as oldest if it's new enough*/
545 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
550 /* If we didn't find a match, then get a new network slot to initialize
551 * with this beacon's information */
552 /* if (phead == plist) { */
554 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
555 /* If there are no more slots, expire the oldest */
556 /* list_del_init(&oldest->list); */
561 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
562 /* variable initialize */
563 pnetwork->fixed = false;
564 pnetwork->last_scanned = jiffies;
566 pnetwork->network_type = 0;
568 pnetwork->join_res = 0;
570 /* bss info not receiving from the right channel */
571 if (pnetwork->network.phy_info.signal_quality == 101)
572 pnetwork->network.phy_info.signal_quality = 0;
574 /* Otherwise just pull from the free list */
576 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
581 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
582 target->length = bssid_ex_sz;
583 memcpy(&(pnetwork->network), target, bssid_ex_sz);
585 pnetwork->last_scanned = jiffies;
587 /* bss info not receiving from the right channel */
588 if (pnetwork->network.phy_info.signal_quality == 101)
589 pnetwork->network.phy_info.signal_quality = 0;
591 list_add_tail(&(pnetwork->list), &(queue->queue));
595 /* we have an entry and we are going to update it. But this entry may
596 * be already expired. In this case we do the same as we found a new
597 * net and call the new_net handler
599 bool update_ie = true;
601 pnetwork->last_scanned = jiffies;
603 /* target.reserved[0]== 1, means that scanned network is a bcn frame. */
604 if (pnetwork->network.ie_length > target->ie_length && target->reserved[0] == 1)
607 /* probe resp(3) > beacon(1) > probe req(2) */
608 if (target->reserved[0] != 2 &&
609 target->reserved[0] >= pnetwork->network.reserved[0]
616 update_network(&(pnetwork->network), target, adapter, update_ie);
620 spin_unlock_bh(&queue->lock);
623 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
624 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
626 /* struct __queue *queue = &(pmlmepriv->scanned_queue); */
628 /* spin_lock_bh(&queue->lock); */
630 update_current_network(adapter, pnetwork);
632 rtw_update_scanned_network(adapter, pnetwork);
634 /* spin_unlock_bh(&queue->lock); */
637 /* select the desired network based on the capability of the (i)bss. */
638 /* check items: (1) security */
639 /* (2) network_type */
643 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
644 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
646 struct security_priv *psecuritypriv = &adapter->securitypriv;
647 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
651 /* u8 wps_ie[512]; */
654 int bselected = true;
656 desired_encmode = psecuritypriv->ndisencryptstatus;
657 privacy = pnetwork->network.privacy;
659 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
660 if (rtw_get_wps_ie(pnetwork->network.ies+_FIXED_IE_LENGTH_, pnetwork->network.ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
666 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
670 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
673 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
674 p = rtw_get_ie(pnetwork->network.ies + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pnetwork->network.ie_length - _BEACON_IE_OFFSET_));
682 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0))
685 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
686 if (pnetwork->network.infrastructure_mode != pmlmepriv->cur_network.network.infrastructure_mode)
693 /* TODO: Perry : For Power Management */
694 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
698 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
701 struct wlan_bssid_ex *pnetwork;
702 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
704 pnetwork = (struct wlan_bssid_ex *)pbuf;
706 len = get_wlan_bssid_ex_sz(pnetwork);
707 if (len > (sizeof(struct wlan_bssid_ex)))
710 spin_lock_bh(&pmlmepriv->lock);
712 /* update IBSS_network 's timestamp */
713 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
714 if (!memcmp(&(pmlmepriv->cur_network.network.mac_address), pnetwork->mac_address, ETH_ALEN)) {
715 struct wlan_network *ibss_wlan = NULL;
717 memcpy(pmlmepriv->cur_network.network.ies, pnetwork->ies, 8);
718 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
719 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->mac_address);
721 memcpy(ibss_wlan->network.ies, pnetwork->ies, 8);
722 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
725 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
729 /* lock pmlmepriv->lock when you accessing network_q */
730 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
731 if (pnetwork->ssid.ssid[0] == 0)
732 pnetwork->ssid.ssid_length = 0;
733 rtw_add_network(adapter, pnetwork);
738 spin_unlock_bh(&pmlmepriv->lock);
741 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
743 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
745 spin_lock_bh(&pmlmepriv->lock);
746 if (pmlmepriv->wps_probe_req_ie) {
747 pmlmepriv->wps_probe_req_ie_len = 0;
748 kfree(pmlmepriv->wps_probe_req_ie);
749 pmlmepriv->wps_probe_req_ie = NULL;
752 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
753 del_timer_sync(&pmlmepriv->scan_to_timer);
754 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
757 rtw_set_signal_stat_timer(&adapter->recvpriv);
759 if (pmlmepriv->to_join) {
760 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
761 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
762 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
764 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
765 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
768 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
769 u8 *pibss = adapter->registrypriv.dev_network.mac_address;
771 /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
772 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
774 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
776 rtw_update_registrypriv_dev_network(adapter);
777 rtw_generate_random_ibss(pibss);
779 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
781 pmlmepriv->to_join = false;
783 ret = rtw_createbss_cmd(adapter);
791 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
792 pmlmepriv->to_join = false;
793 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
794 if (_SUCCESS == s_ret) {
795 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
796 } else if (s_ret == 2) {/* there is no need to wait for join */
797 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
798 rtw_indicate_connect(adapter);
800 if (rtw_to_roam(adapter) != 0) {
801 if (rtw_dec_to_roam(adapter) == 0
802 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
804 rtw_set_to_roam(adapter, 0);
805 rtw_free_assoc_resources(adapter, 1);
806 rtw_indicate_disconnect(adapter);
808 pmlmepriv->to_join = true;
811 rtw_indicate_disconnect(adapter);
813 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
817 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
818 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
819 && check_fwstate(pmlmepriv, _FW_LINKED)) {
820 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
821 receive_disconnect(adapter, pmlmepriv->cur_network.network.mac_address
822 , WLAN_REASON_ACTIVE_ROAM);
829 spin_unlock_bh(&pmlmepriv->lock);
831 rtw_os_xmit_schedule(adapter);
833 rtw_cfg80211_surveydone_event_callback(adapter);
835 rtw_indicate_scan_done(adapter, false);
838 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
842 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
846 static void free_scanqueue(struct mlme_priv *pmlmepriv)
848 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
849 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
850 struct list_head *plist, *phead, *ptemp;
852 spin_lock_bh(&scan_queue->lock);
853 spin_lock_bh(&free_queue->lock);
855 phead = get_list_head(scan_queue);
856 plist = get_next(phead);
858 while (plist != phead) {
859 ptemp = get_next(plist);
860 list_del_init(plist);
861 list_add_tail(plist, &free_queue->queue);
863 pmlmepriv->num_of_scanned--;
866 spin_unlock_bh(&free_queue->lock);
867 spin_unlock_bh(&scan_queue->lock);
870 static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
872 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
873 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
874 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
875 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
876 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
879 static void find_network(struct adapter *adapter)
881 struct wlan_network *pwlan = NULL;
882 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
883 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
885 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
887 pwlan->fixed = false;
889 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
890 (adapter->stapriv.asoc_sta_count == 1))
891 rtw_free_network_nolock(adapter, pwlan);
895 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
897 void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
899 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
900 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
901 struct sta_priv *pstapriv = &adapter->stapriv;
902 struct dvobj_priv *psdpriv = adapter->dvobj;
903 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
905 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
906 struct sta_info *psta;
908 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.mac_address);
909 spin_lock_bh(&(pstapriv->sta_hash_lock));
910 rtw_free_stainfo(adapter, psta);
912 spin_unlock_bh(&(pstapriv->sta_hash_lock));
916 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
917 struct sta_info *psta;
919 rtw_free_all_stainfo(adapter);
921 psta = rtw_get_bcmc_stainfo(adapter);
922 rtw_free_stainfo(adapter, psta);
924 rtw_init_bcmc_stainfo(adapter);
927 find_network(adapter);
929 if (lock_scanned_queue)
930 adapter->securitypriv.key_mask = 0;
932 rtw_reset_rx_info(pdbgpriv);
936 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
938 void rtw_indicate_connect(struct adapter *padapter)
940 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
942 pmlmepriv->to_join = false;
944 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
946 set_fwstate(pmlmepriv, _FW_LINKED);
948 rtw_os_indicate_connect(padapter);
951 rtw_set_to_roam(padapter, 0);
952 rtw_set_scan_deny(padapter, 3000);
957 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
959 void rtw_indicate_disconnect(struct adapter *padapter)
961 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
963 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
965 if (rtw_to_roam(padapter) > 0)
966 _clr_fwstate_(pmlmepriv, _FW_LINKED);
968 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
969 || (rtw_to_roam(padapter) <= 0)
971 rtw_os_indicate_disconnect(padapter);
973 /* set ips_deny_time to avoid enter IPS before LPS leave */
974 rtw_set_ips_deny(padapter, 3000);
976 _clr_fwstate_(pmlmepriv, _FW_LINKED);
978 rtw_clear_scan_deny(padapter);
981 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
984 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
986 rtw_os_indicate_scan_done(padapter, aborted);
988 if (is_primary_adapter(padapter) &&
989 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
990 (!check_fwstate(&padapter->mlmepriv,
991 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
992 rtw_set_ips_deny(padapter, 0);
993 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
997 void rtw_scan_abort(struct adapter *adapter)
1000 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1001 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1004 pmlmeext->scan_abort = true;
1005 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1006 && jiffies_to_msecs(start) <= 200) {
1008 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1014 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
1015 rtw_indicate_scan_done(adapter, true);
1017 pmlmeext->scan_abort = false;
1020 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1023 struct sta_info *bmc_sta, *psta = NULL;
1024 struct recv_reorder_ctrl *preorder_ctrl;
1025 struct sta_priv *pstapriv = &padapter->stapriv;
1026 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1028 psta = rtw_get_stainfo(pstapriv, pnetwork->network.mac_address);
1030 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.mac_address);
1032 if (psta) { /* update ptarget_sta */
1034 psta->aid = pnetwork->join_res;
1036 update_sta_info(padapter, psta);
1038 /* update station supportRate */
1039 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.supported_rates);
1040 memcpy(psta->bssrateset, pnetwork->network.supported_rates, psta->bssratelen);
1041 rtw_hal_update_sta_rate_mask(padapter, psta);
1043 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1044 psta->raid = networktype_to_raid_ex(padapter, psta);
1047 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1049 /* security related */
1050 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1051 padapter->securitypriv.binstallGrpkey = false;
1052 padapter->securitypriv.busetkipkey = false;
1053 padapter->securitypriv.bgrpkey_handshake = false;
1055 psta->ieee8021x_blocked = true;
1056 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1058 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1060 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1061 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1063 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1064 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1065 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1066 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1069 /* Commented by Albert 2012/07/21 */
1070 /* When doing the WPS, the wps_ie_len won't equal to 0 */
1071 /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
1072 if (padapter->securitypriv.wps_ie_len != 0) {
1073 psta->ieee8021x_blocked = true;
1074 padapter->securitypriv.wps_ie_len = 0;
1077 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1078 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1079 /* todo: check if AP can send A-MPDU packets */
1080 for (i = 0; i < 16 ; i++) {
1081 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1082 preorder_ctrl = &psta->recvreorder_ctrl[i];
1083 preorder_ctrl->enable = false;
1084 preorder_ctrl->indicate_seq = 0xffff;
1085 preorder_ctrl->wend_b = 0xffff;
1086 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1089 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1091 for (i = 0; i < 16 ; i++) {
1092 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1093 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1094 preorder_ctrl->enable = false;
1095 preorder_ctrl->indicate_seq = 0xffff;
1096 preorder_ctrl->wend_b = 0xffff;
1097 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1106 /* pnetwork : returns from rtw_joinbss_event_callback */
1107 /* ptarget_wlan: found from scanned_queue */
1108 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1110 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1111 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1113 /* why not use ptarget_wlan?? */
1114 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.length);
1115 /* some ies in pnetwork is wrong, so we should use ptarget_wlan ies */
1116 cur_network->network.ie_length = ptarget_wlan->network.ie_length;
1117 memcpy(&cur_network->network.ies[0], &ptarget_wlan->network.ies[0], MAX_IE_SZ);
1119 cur_network->aid = pnetwork->join_res;
1121 rtw_set_signal_stat_timer(&padapter->recvpriv);
1123 padapter->recvpriv.signal_strength = ptarget_wlan->network.phy_info.signal_strength;
1124 padapter->recvpriv.signal_qual = ptarget_wlan->network.phy_info.signal_quality;
1125 /* the ptarget_wlan->network.rssi is raw data, we use ptarget_wlan->network.phy_info.signal_strength instead (has scaled) */
1126 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.phy_info.signal_strength);
1128 rtw_set_signal_stat_timer(&padapter->recvpriv);
1130 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1131 switch (pnetwork->network.infrastructure_mode) {
1132 case Ndis802_11Infrastructure:
1134 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1135 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1137 pmlmepriv->fw_state = WIFI_STATION_STATE;
1140 case Ndis802_11IBSS:
1141 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1144 pmlmepriv->fw_state = WIFI_NULL_STATE;
1148 rtw_update_protection(padapter, (cur_network->network.ies) + sizeof(struct ndis_802_11_fix_ie),
1149 (cur_network->network.ie_length));
1151 rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length, (u8) cur_network->network.configuration.ds_config);
1154 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1155 /* pnetwork : returns from rtw_joinbss_event_callback */
1156 /* ptarget_wlan: found from scanned_queue */
1157 /* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1158 /* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1159 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1162 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1164 static u8 __maybe_unused retry;
1165 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1166 struct sta_priv *pstapriv = &adapter->stapriv;
1167 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1168 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1169 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1170 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1171 unsigned int the_same_macaddr = false;
1173 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1175 the_same_macaddr = !memcmp(pnetwork->network.mac_address, cur_network->network.mac_address, ETH_ALEN);
1177 pnetwork->network.length = get_wlan_bssid_ex_sz(&pnetwork->network);
1178 if (pnetwork->network.length > sizeof(struct wlan_bssid_ex))
1181 spin_lock_bh(&pmlmepriv->lock);
1183 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1184 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1186 if (pnetwork->join_res > 0) {
1187 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1189 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1190 /* s1. find ptarget_wlan */
1191 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1192 if (the_same_macaddr) {
1193 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1195 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1197 pcur_wlan->fixed = false;
1199 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.mac_address);
1201 rtw_free_stainfo(adapter, pcur_sta);
1203 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.mac_address);
1204 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1206 ptarget_wlan->fixed = true;
1211 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1212 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1214 ptarget_wlan->fixed = true;
1218 /* s2. update cur_network */
1220 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1222 netdev_dbg(adapter->pnetdev,
1223 "Can't find ptarget_wlan when joinbss_event callback\n");
1224 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1225 goto ignore_joinbss_callback;
1228 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1229 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1230 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1232 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1233 goto ignore_joinbss_callback;
1237 /* s4. indicate connect */
1238 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1239 pmlmepriv->cur_network_scanned = ptarget_wlan;
1240 rtw_indicate_connect(adapter);
1243 /* s5. Cancel assoc_timer */
1244 del_timer_sync(&pmlmepriv->assoc_timer);
1247 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1248 goto ignore_joinbss_callback;
1251 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1253 } else if (pnetwork->join_res == -4) {
1254 rtw_reset_securitypriv(adapter);
1255 _set_timer(&pmlmepriv->assoc_timer, 1);
1257 /* rtw_free_assoc_resources(adapter, 1); */
1259 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true)
1260 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1262 } else {/* if join_res < 0 (join fails), then try again */
1267 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1269 if (res == _SUCCESS) {
1270 /* extend time of assoc_timer */
1271 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1273 } else if (res == 2) {/* there is no need to wait for join */
1274 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1275 rtw_indicate_connect(adapter);
1279 _set_timer(&pmlmepriv->assoc_timer, 1);
1280 /* rtw_free_assoc_resources(adapter, 1); */
1281 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1289 ignore_joinbss_callback:
1291 spin_unlock_bh(&pmlmepriv->lock);
1294 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1296 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1298 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1300 rtw_os_xmit_schedule(adapter);
1303 /* FOR STA, AP , AD-HOC mode */
1304 void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1306 u16 media_status_rpt;
1311 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
1312 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1315 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1317 struct sta_info *psta;
1318 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1319 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1320 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1321 struct wlan_network *ptarget_wlan = NULL;
1323 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1326 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1327 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1329 u8 *passoc_req = NULL;
1330 u32 assoc_req_len = 0;
1332 rtw_sta_media_status_rpt(adapter, psta, 1);
1334 ap_sta_info_defer_update(adapter, psta);
1336 /* report to upper layer */
1337 spin_lock_bh(&psta->lock);
1338 if (psta->passoc_req && psta->assoc_req_len > 0) {
1339 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1341 assoc_req_len = psta->assoc_req_len;
1342 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1344 kfree(psta->passoc_req);
1345 psta->passoc_req = NULL;
1346 psta->assoc_req_len = 0;
1349 spin_unlock_bh(&psta->lock);
1351 if (passoc_req && assoc_req_len > 0) {
1352 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1360 /* for AD-HOC mode */
1361 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1363 /* the sta have been in sta_info_queue => do nothing */
1365 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1368 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1372 /* to do : init sta_info variable */
1373 psta->qos_option = 0;
1374 psta->mac_id = (uint)pstassoc->cam_id;
1375 /* psta->aid = (uint)pstassoc->cam_id; */
1377 /* for ad-hoc mode */
1378 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1380 rtw_sta_media_status_rpt(adapter, psta, 1);
1382 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1383 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1385 psta->ieee8021x_blocked = false;
1387 spin_lock_bh(&pmlmepriv->lock);
1389 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1390 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1391 if (adapter->stapriv.asoc_sta_count == 2) {
1392 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1393 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.mac_address);
1394 pmlmepriv->cur_network_scanned = ptarget_wlan;
1396 ptarget_wlan->fixed = true;
1397 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1398 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1399 rtw_indicate_connect(adapter);
1403 spin_unlock_bh(&pmlmepriv->lock);
1405 mlmeext_sta_add_event_callback(adapter, psta);
1408 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1411 struct sta_info *psta;
1412 struct wlan_network *pwlan = NULL;
1413 struct wlan_bssid_ex *pdev_network = NULL;
1415 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1416 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1417 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1418 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1419 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1421 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1423 mac_id = psta->mac_id;
1425 mac_id = pstadel->mac_id;
1430 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1431 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1432 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1435 /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1436 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1439 mlmeext_sta_del_event_callback(adapter);
1441 spin_lock_bh(&pmlmepriv->lock);
1443 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1444 u16 reason = *((unsigned short *)(pstadel->rsvd));
1446 struct wlan_network *roam_target = NULL;
1448 if (adapter->registrypriv.wifi_spec == 1) {
1450 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1452 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1454 roam_target = pmlmepriv->roam_network;
1458 if (rtw_to_roam(adapter) > 0)
1459 rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1460 else if (rtw_to_roam(adapter) == 0)
1461 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1463 rtw_set_to_roam(adapter, 0);
1466 rtw_free_uc_swdec_pending_queue(adapter);
1468 rtw_free_assoc_resources(adapter, 1);
1469 rtw_indicate_disconnect(adapter);
1471 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1472 /* remove the network entry in scanned_queue */
1473 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1475 pwlan->fixed = false;
1476 rtw_free_network_nolock(adapter, pwlan);
1478 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1480 _rtw_roaming(adapter, roam_target);
1483 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1484 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1486 rtw_free_stainfo(adapter, psta);
1488 if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1490 /* rtw_indicate_disconnect(adapter);removed@20091105 */
1491 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1492 /* free old ibss network */
1493 /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1494 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.mac_address);
1496 pwlan->fixed = false;
1497 rtw_free_network_nolock(adapter, pwlan);
1499 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1500 /* re-create ibss */
1501 pdev_network = &(adapter->registrypriv.dev_network);
1502 pibss = adapter->registrypriv.dev_network.mac_address;
1504 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1506 memcpy(&pdev_network->ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1508 rtw_update_registrypriv_dev_network(adapter);
1510 rtw_generate_random_ibss(pibss);
1512 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1513 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1514 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1517 ret = rtw_createbss_cmd(adapter);
1518 if (ret != _SUCCESS)
1525 spin_unlock_bh(&pmlmepriv->lock);
1528 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1530 struct reportpwrstate_parm *preportpwrstate;
1532 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1533 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1534 cpwm_int_hdl(padapter, preportpwrstate);
1537 void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1539 WMMOnAssocRsp(padapter);
1543 * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
1544 * @adapter: pointer to struct adapter structure
1546 void _rtw_join_timeout_handler(struct timer_list *t)
1548 struct adapter *adapter = from_timer(adapter, t,
1549 mlmepriv.assoc_timer);
1550 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1552 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1555 spin_lock_bh(&pmlmepriv->lock);
1557 if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1559 rtw_dec_to_roam(adapter);
1560 if (rtw_to_roam(adapter) != 0) { /* try another */
1563 do_join_r = rtw_do_join(adapter);
1564 if (_SUCCESS != do_join_r) {
1569 rtw_indicate_disconnect(adapter);
1575 rtw_indicate_disconnect(adapter);
1576 free_scanqueue(pmlmepriv);/* */
1578 /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1579 rtw_cfg80211_indicate_disconnect(adapter);
1583 spin_unlock_bh(&pmlmepriv->lock);
1587 * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
1588 * @adapter: pointer to struct adapter structure
1590 void rtw_scan_timeout_handler(struct timer_list *t)
1592 struct adapter *adapter = from_timer(adapter, t,
1593 mlmepriv.scan_to_timer);
1594 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1596 spin_lock_bh(&pmlmepriv->lock);
1598 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1600 spin_unlock_bh(&pmlmepriv->lock);
1602 rtw_indicate_scan_done(adapter, true);
1605 void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1607 struct mlme_priv *mlme = &adapter->mlmepriv;
1608 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1609 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1611 if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1612 mlme->auto_scan_int_ms = 0;
1613 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1614 mlme->auto_scan_int_ms = 60*1000;
1615 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1616 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1617 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1619 mlme->auto_scan_int_ms = 0; /* disabled */
1622 static void rtw_auto_scan_handler(struct adapter *padapter)
1624 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1626 rtw_mlme_reset_auto_scan_int(padapter);
1628 if (pmlmepriv->auto_scan_int_ms != 0
1629 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1631 if (!padapter->registrypriv.wifi_spec) {
1632 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY | _FW_UNDER_LINKING) == true)
1635 if (pmlmepriv->LinkDetectInfo.bBusyTraffic)
1639 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1646 void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1651 if (!adapter->hw_init_completed)
1654 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1657 if (adapter->net_closed)
1660 if ((adapter_to_pwrctl(adapter)->fw_current_in_ps_mode)
1661 && !(hal_btcoex_IsBtControlLps(adapter))
1665 linked_status_chk(adapter);
1667 bEnterPS = traffic_status_watchdog(adapter, 1);
1669 /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1670 rtw_hal_dm_watchdog_in_lps(adapter);
1672 /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1676 if (is_primary_adapter(adapter))
1677 rtw_dynamic_chk_wk_cmd(adapter);
1680 /* auto site survey */
1681 rtw_auto_scan_handler(adapter);
1684 inline bool rtw_is_scan_deny(struct adapter *adapter)
1686 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1688 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1691 inline void rtw_clear_scan_deny(struct adapter *adapter)
1693 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1695 atomic_set(&mlmepriv->set_scan_deny, 0);
1698 void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1700 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1702 atomic_set(&mlmepriv->set_scan_deny, 1);
1703 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1707 * Select a new roaming candidate from the original @param candidate and @param competitor
1708 * @return true: candidate is updated
1709 * @return false: candidate is not updated
1711 static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1712 , struct wlan_network **candidate, struct wlan_network *competitor)
1714 int updated = false;
1715 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1717 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1720 if (rtw_is_desired_network(adapter, competitor) == false)
1723 /* got specific addr to roam */
1724 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1725 if (!memcmp(mlme->roam_tgt_addr, competitor->network.mac_address, ETH_ALEN))
1730 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1733 if (competitor->network.rssi - mlme->cur_network_scanned->network.rssi < mlme->roam_rssi_diff_th)
1736 if (*candidate && (*candidate)->network.rssi >= competitor->network.rssi)
1740 *candidate = competitor;
1747 int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1750 struct list_head *phead;
1751 struct __queue *queue = &(mlme->scanned_queue);
1752 struct wlan_network *pnetwork = NULL;
1753 struct wlan_network *candidate = NULL;
1755 if (!mlme->cur_network_scanned) {
1760 spin_lock_bh(&(mlme->scanned_queue.lock));
1761 phead = get_list_head(queue);
1763 list_for_each(mlme->pscanned, phead) {
1765 pnetwork = list_entry(mlme->pscanned, struct wlan_network,
1768 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1776 mlme->roam_network = candidate;
1778 if (!memcmp(candidate->network.mac_address, mlme->roam_tgt_addr, ETH_ALEN))
1779 eth_zero_addr(mlme->roam_tgt_addr);
1784 spin_unlock_bh(&(mlme->scanned_queue.lock));
1790 * Select a new join candidate from the original @param candidate and @param competitor
1791 * @return true: candidate is updated
1792 * @return false: candidate is not updated
1794 static int rtw_check_join_candidate(struct mlme_priv *mlme
1795 , struct wlan_network **candidate, struct wlan_network *competitor)
1797 int updated = false;
1798 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1800 /* check bssid, if needed */
1801 if (mlme->assoc_by_bssid) {
1802 if (memcmp(competitor->network.mac_address, mlme->assoc_bssid, ETH_ALEN))
1806 /* check ssid, if needed */
1807 if (mlme->assoc_ssid.ssid[0] && mlme->assoc_ssid.ssid_length) {
1808 if (competitor->network.ssid.ssid_length != mlme->assoc_ssid.ssid_length
1809 || memcmp(competitor->network.ssid.ssid, mlme->assoc_ssid.ssid, mlme->assoc_ssid.ssid_length)
1814 if (rtw_is_desired_network(adapter, competitor) == false)
1817 if (rtw_to_roam(adapter) > 0) {
1818 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
1819 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
1824 if (*candidate == NULL || (*candidate)->network.rssi < competitor->network.rssi) {
1825 *candidate = competitor;
1835 The caller of the sub-routine will be in critical section...
1836 The caller must hold the following spinlock
1840 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1843 struct list_head *phead;
1844 struct adapter *adapter;
1845 struct __queue *queue = &(pmlmepriv->scanned_queue);
1846 struct wlan_network *pnetwork = NULL;
1847 struct wlan_network *candidate = NULL;
1849 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1851 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1853 if (pmlmepriv->roam_network) {
1854 candidate = pmlmepriv->roam_network;
1855 pmlmepriv->roam_network = NULL;
1856 goto candidate_exist;
1859 phead = get_list_head(queue);
1860 list_for_each(pmlmepriv->pscanned, phead) {
1862 pnetwork = list_entry(pmlmepriv->pscanned,
1863 struct wlan_network, list);
1865 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1873 goto candidate_exist;
1878 /* check for situation of _FW_LINKED */
1879 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1880 rtw_disassoc_cmd(adapter, 0, true);
1881 rtw_indicate_disconnect(adapter);
1882 rtw_free_assoc_resources(adapter, 0);
1885 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
1886 ret = rtw_joinbss_cmd(adapter, candidate);
1889 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1893 signed int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1895 struct cmd_obj *pcmd;
1896 struct setauth_parm *psetauthparm;
1897 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1898 signed int res = _SUCCESS;
1900 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1902 res = _FAIL; /* try again */
1906 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
1907 if (!psetauthparm) {
1913 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1915 pcmd->cmdcode = _SetAuth_CMD_;
1916 pcmd->parmbuf = (unsigned char *)psetauthparm;
1917 pcmd->cmdsz = (sizeof(struct setauth_parm));
1921 INIT_LIST_HEAD(&pcmd->list);
1923 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1929 signed int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, signed int keyid, u8 set_tx, bool enqueue)
1932 struct cmd_obj *pcmd;
1933 struct setkey_parm *psetkeyparm;
1934 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1935 signed int res = _SUCCESS;
1937 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
1943 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1944 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1946 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1948 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1949 psetkeyparm->set_tx = set_tx;
1950 if (is_wep_enc(psetkeyparm->algorithm))
1951 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
1953 switch (psetkeyparm->algorithm) {
1957 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1961 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1965 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1966 psetkeyparm->grpkey = 1;
1970 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1971 psetkeyparm->grpkey = 1;
1980 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
1983 res = _FAIL; /* try again */
1987 pcmd->cmdcode = _SetKey_CMD_;
1988 pcmd->parmbuf = (u8 *)psetkeyparm;
1989 pcmd->cmdsz = (sizeof(struct setkey_parm));
1993 INIT_LIST_HEAD(&pcmd->list);
1995 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1997 setkey_hdl(adapter, (u8 *)psetkeyparm);
2004 /* adjust ies for rtw_joinbss_cmd in WMM */
2005 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2007 unsigned int ielength = 0;
2010 i = 12; /* after the fixed IE */
2011 while (i < in_len) {
2012 ielength = initial_out_len;
2014 if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) { /* WMM element ID and OUI */
2015 for (j = i; j < i + 9; j++) {
2016 out_ie[ielength] = in_ie[j];
2019 out_ie[initial_out_len + 1] = 0x07;
2020 out_ie[initial_out_len + 6] = 0x00;
2021 out_ie[initial_out_len + 8] = 0x00;
2026 i += (in_ie[i+1]+2); /* to the next IE element */
2034 /* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2035 /* Added by Annie, 2006-05-07. */
2037 /* Search by BSSID, */
2039 /* -1 :if there is no pre-auth key in the table */
2040 /* >= 0 :if there is pre-auth key, and return the entry id */
2044 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2046 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2050 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2051 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2058 } while (i < NUM_PMKID_CACHE);
2060 if (i == NUM_PMKID_CACHE) {
2061 i = -1;/* Could not find. */
2063 /* There is one Pre-Authentication Key for the specific BSSID. */
2071 /* Check the RSN IE length */
2072 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2073 /* 0-11th element in the array are the fixed IE */
2074 /* 12th element in the array is the IE */
2075 /* 13th element in the array is the IE length */
2078 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2080 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2083 /* The RSN IE didn't include the PMK ID, append the PMK information */
2086 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2088 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2091 ie[13] += 18;/* PMKID length = 2+16 */
2097 signed int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2103 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2104 struct security_priv *psecuritypriv = &adapter->securitypriv;
2105 uint ndisauthmode = psecuritypriv->ndisauthtype;
2107 /* copy fixed ie only */
2108 memcpy(out_ie, in_ie, 12);
2110 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2111 authmode = WLAN_EID_VENDOR_SPECIFIC;
2112 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2113 authmode = WLAN_EID_RSN;
2115 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2116 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2118 ielength += psecuritypriv->wps_ie_len;
2119 } else if ((authmode == WLAN_EID_VENDOR_SPECIFIC) || (authmode == WLAN_EID_RSN)) {
2120 /* copy RSN or SSN */
2121 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2122 /* debug for CONFIG_IEEE80211W
2125 printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2126 for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2127 printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2130 ielength += psecuritypriv->supplicant_ie[1]+2;
2131 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2134 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2138 if (authmode == WLAN_EID_RSN)
2139 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2144 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2146 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2147 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2148 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2149 u8 *myhwaddr = myid(peepriv);
2151 memcpy(pdev_network->mac_address, myhwaddr, ETH_ALEN);
2153 memcpy(&pdev_network->ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2155 pdev_network->configuration.length = sizeof(struct ndis_802_11_conf);
2156 pdev_network->configuration.beacon_period = 100;
2159 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2162 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2163 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2164 struct security_priv *psecuritypriv = &adapter->securitypriv;
2165 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2166 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2168 pdev_network->privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */
2170 pdev_network->rssi = 0;
2172 switch (pregistrypriv->wireless_mode) {
2174 pdev_network->network_type_in_use = (Ndis802_11DS);
2178 case WIRELESS_11_24N:
2179 case WIRELESS_11G_24N:
2180 case WIRELESS_11BG_24N:
2181 pdev_network->network_type_in_use = (Ndis802_11OFDM24);
2188 pdev_network->configuration.ds_config = (pregistrypriv->channel);
2190 if (cur_network->network.infrastructure_mode == Ndis802_11IBSS)
2191 pdev_network->configuration.atim_window = (0);
2193 pdev_network->infrastructure_mode = (cur_network->network.infrastructure_mode);
2195 /* 1. Supported rates */
2198 /* rtw_set_supported_rate(pdev_network->supported_rates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
2199 sz = rtw_generate_ie(pregistrypriv);
2201 pdev_network->ie_length = sz;
2203 pdev_network->length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2205 /* notes: translate ie_length & length after assign the length to cmdsz in createbss_cmd(); */
2206 /* pdev_network->ie_length = cpu_to_le32(sz); */
2209 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2213 /* the function is at passive_level */
2214 void rtw_joinbss_reset(struct adapter *padapter)
2217 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2219 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2221 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2223 pmlmepriv->num_FortyMHzIntolerant = 0;
2225 pmlmepriv->num_sta_no_ht = 0;
2227 phtpriv->ampdu_enable = false;/* reset to disabled */
2229 /* TH = 1 => means that invalidate usb rx aggregation */
2230 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2231 if (phtpriv->ht_option) {
2232 if (padapter->registrypriv.wifi_spec == 1)
2236 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2239 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2243 void rtw_ht_use_default_setting(struct adapter *padapter)
2245 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2246 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2247 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2248 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2249 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2251 if (pregistrypriv->wifi_spec)
2252 phtpriv->bss_coexist = 1;
2254 phtpriv->bss_coexist = 0;
2256 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2257 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2260 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2261 CLEAR_FLAGS(phtpriv->ldpc_cap);
2262 if (bHwLDPCSupport) {
2263 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2264 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2266 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2267 if (bHwLDPCSupport) {
2268 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2269 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2273 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2274 CLEAR_FLAGS(phtpriv->stbc_cap);
2275 if (bHwSTBCSupport) {
2276 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2277 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2279 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2280 if (bHwSTBCSupport) {
2281 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2282 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2285 /* Beamforming setting */
2286 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2287 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2288 CLEAR_FLAGS(phtpriv->beamform_cap);
2289 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer)
2290 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2292 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee)
2293 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2296 void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2298 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2301 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2302 out_len = *pout_len;
2303 rtw_set_ie(out_ie+out_len, WLAN_EID_VENDOR_SPECIFIC,
2304 _WMM_IE_Length_, WMM_IE, pout_len);
2306 padapter->mlmepriv.qospriv.qos_option = 1;
2310 /* the function is >= passive_level */
2311 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2314 enum ieee80211_max_ampdu_length_exp max_rx_ampdu_factor;
2316 struct ieee80211_ht_cap ht_capie;
2317 u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2318 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2319 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2320 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2321 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2323 phtpriv->ht_option = false;
2325 out_len = *pout_len;
2327 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
2329 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2331 if (phtpriv->sgi_20m)
2332 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2336 /* TDLS: TODO 20/40 issue */
2337 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2338 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2339 if (operation_bw > CHANNEL_WIDTH_40)
2340 operation_bw = CHANNEL_WIDTH_40;
2342 /* TDLS: TODO 40? */
2343 operation_bw = CHANNEL_WIDTH_40;
2345 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2346 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2347 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2349 if (pht_info->infos[0] & BIT(2)) {
2350 switch (pht_info->infos[0] & 0x3) {
2353 operation_bw = CHANNEL_WIDTH_40;
2356 operation_bw = CHANNEL_WIDTH_20;
2360 operation_bw = CHANNEL_WIDTH_20;
2365 /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2367 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2370 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2374 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2375 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2376 if (phtpriv->sgi_40m)
2377 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2380 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2381 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2383 /* todo: disable SM power save mode */
2384 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2386 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2387 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2388 (pregistrypriv->wifi_spec == 1))
2392 /* fill default supported_mcs_set */
2393 memcpy(ht_capie.mcs.rx_mask, pmlmeext->default_supported_mcs_set, 16);
2395 /* update default supported_mcs_set */
2396 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2401 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2403 set_mcs_rate_by_mask(ht_capie.mcs.rx_mask, MCS_RATE_1R);
2410 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
2412 set_mcs_rate_by_mask(ht_capie.mcs.rx_mask, MCS_RATE_2R);
2417 u32 rx_packet_offset, max_recvbuf_sz;
2419 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2420 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2423 if (padapter->driver_rx_ampdu_factor != 0xFF)
2424 max_rx_ampdu_factor =
2425 (enum ieee80211_max_ampdu_length_exp)padapter->driver_rx_ampdu_factor;
2427 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2428 &max_rx_ampdu_factor);
2430 /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2431 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2433 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2434 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2436 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2438 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_CAPABILITY,
2439 sizeof(struct ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2441 phtpriv->ht_option = true;
2444 p = rtw_get_ie(in_ie, WLAN_EID_HT_OPERATION, &ielen, in_len);
2445 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2446 out_len = *pout_len;
2447 rtw_set_ie(out_ie+out_len, WLAN_EID_HT_OPERATION, ielen, p+2, pout_len);
2451 return phtpriv->ht_option;
2455 /* the function is > passive_level (in critical_section) */
2456 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2458 u8 *p, max_ampdu_sz;
2460 /* struct sta_info *bmc_sta, *psta; */
2461 struct ieee80211_ht_cap *pht_capie;
2462 /* struct recv_reorder_ctrl *preorder_ctrl; */
2463 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2464 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2465 /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2466 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2467 /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2468 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2469 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2470 u8 cbw40_enable = 0;
2472 if (!phtpriv->ht_option)
2475 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2478 /* maybe needs check if ap supports rx ampdu. */
2479 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
2480 phtpriv->ampdu_enable = true;
2483 /* check Max Rx A-MPDU Size */
2485 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_CAPABILITY, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2487 pht_capie = (struct ieee80211_ht_cap *)(p+2);
2488 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2489 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2491 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2496 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), WLAN_EID_HT_OPERATION, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2502 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2505 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2509 /* update cur_bwmode & cur_ch_offset */
2510 if ((cbw40_enable) &&
2511 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2512 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2516 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2518 /* update the MCS set */
2519 for (i = 0; i < 16; i++)
2520 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2522 /* update the MCS rates */
2526 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2530 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2533 /* switch to the 40M Hz mode according to the AP */
2534 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2535 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2536 case EXTCHNL_OFFSET_UPPER:
2537 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2540 case EXTCHNL_OFFSET_LOWER:
2541 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2545 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2551 /* Config SM Power Save setting */
2554 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2558 /* Config current HT Protection mode. */
2560 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2563 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2567 struct sta_info *psta = NULL;
2568 struct ht_priv *phtpriv;
2569 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2570 s32 bmcst = IS_MCAST(pattrib->ra);
2572 /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
2573 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2576 priority = pattrib->priority;
2578 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2579 if (pattrib->psta != psta)
2585 if (!(psta->state & _FW_LINKED))
2588 phtpriv = &psta->htpriv;
2590 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
2591 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2592 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2595 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2596 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2602 void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2604 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2605 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2606 u8 cap_content[8] = {0};
2608 if (phtpriv->bss_coexist)
2609 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
2611 rtw_set_ie(out_ie + *pout_len, WLAN_EID_EXT_CAPABILITY, 8, cap_content, pout_len);
2614 inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2617 adapter->mlmepriv.to_join = false;
2618 adapter->mlmepriv.to_roam = to_roam;
2621 inline u8 rtw_dec_to_roam(struct adapter *adapter)
2623 adapter->mlmepriv.to_roam--;
2624 return adapter->mlmepriv.to_roam;
2627 inline u8 rtw_to_roam(struct adapter *adapter)
2629 return adapter->mlmepriv.to_roam;
2632 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2634 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2636 spin_lock_bh(&pmlmepriv->lock);
2637 _rtw_roaming(padapter, tgt_network);
2638 spin_unlock_bh(&pmlmepriv->lock);
2640 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2642 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2643 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2646 if (0 < rtw_to_roam(padapter)) {
2647 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.ssid, sizeof(struct ndis_802_11_ssid));
2649 pmlmepriv->assoc_by_bssid = false;
2652 do_join_r = rtw_do_join(padapter);
2653 if (_SUCCESS == do_join_r) {
2656 rtw_dec_to_roam(padapter);
2658 if (rtw_to_roam(padapter) > 0) {
2661 rtw_indicate_disconnect(padapter);
2670 signed int rtw_linked_check(struct adapter *padapter)
2672 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
2673 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
2674 if (padapter->stapriv.asoc_sta_count > 2)
2676 } else { /* Station mode */
2677 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)