1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
4 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
6 ******************************************************************************/
9 #include <linux/etherdevice.h>
10 #include <drv_types.h>
11 #include <rtw_debug.h>
12 #include <linux/jiffies.h>
14 extern u8 rtw_do_join(struct adapter *padapter);
16 int rtw_init_mlme_priv(struct adapter *padapter)
20 struct wlan_network *pnetwork;
21 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
24 pmlmepriv->nic_hdl = (u8 *)padapter;
26 pmlmepriv->pscanned = NULL;
27 pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
28 /* wdev->iftype = NL80211_IFTYPE_STATION */
29 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
30 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
32 spin_lock_init(&pmlmepriv->lock);
33 _rtw_init_queue(&pmlmepriv->free_bss_pool);
34 _rtw_init_queue(&pmlmepriv->scanned_queue);
36 set_scanned_network_val(pmlmepriv, 0);
38 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
40 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
46 pmlmepriv->free_bss_buf = pbuf;
48 pnetwork = (struct wlan_network *)pbuf;
50 for (i = 0; i < MAX_BSS_CNT; i++) {
51 INIT_LIST_HEAD(&pnetwork->list);
53 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
58 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
60 rtw_clear_scan_deny(padapter);
62 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
63 #define RTW_ROAM_RSSI_DIFF_TH 10
64 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
66 pmlmepriv->roam_flags = 0
69 #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */
74 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
75 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
76 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
78 rtw_init_mlme_timer(padapter);
85 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
94 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
96 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
97 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
98 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
103 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
110 void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
113 rtw_free_mlme_priv_ie_data(pmlmepriv);
114 if (pmlmepriv->free_bss_buf) {
115 vfree(pmlmepriv->free_bss_buf);
121 struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
125 struct wlan_network *pnetwork;
127 spin_lock_bh(&queue->lock);
129 if (list_empty(&queue->queue))
135 pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list);
137 list_del_init(&(pnetwork->list));
140 spin_unlock_bh(&queue->lock);
146 struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
148 struct wlan_network *pnetwork;
149 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
150 struct list_head *plist = NULL;
152 spin_lock_bh(&free_queue->lock);
154 if (list_empty(&free_queue->queue)) {
158 plist = get_next(&(free_queue->queue));
160 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
162 list_del_init(&pnetwork->list);
164 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
165 ("rtw_alloc_network: ptr =%p\n", plist));
166 pnetwork->network_type = 0;
167 pnetwork->fixed = false;
168 pnetwork->last_scanned = jiffies;
170 pnetwork->join_res = 0;
172 pmlmepriv->num_of_scanned++;
175 spin_unlock_bh(&free_queue->lock);
180 void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
182 unsigned int delta_time;
183 u32 lifetime = SCANQUEUE_LIFETIME;
185 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
187 if (pnetwork == NULL)
190 if (pnetwork->fixed == true)
193 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
194 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true))
198 delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned);
199 if (delta_time < lifetime)/* unit:msec */
203 spin_lock_bh(&free_queue->lock);
205 list_del_init(&(pnetwork->list));
207 list_add_tail(&(pnetwork->list), &(free_queue->queue));
209 pmlmepriv->num_of_scanned--;
212 /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */
214 spin_unlock_bh(&free_queue->lock);
217 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
220 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
222 if (pnetwork == NULL)
225 if (pnetwork->fixed == true)
228 /* spin_lock_irqsave(&free_queue->lock, irqL); */
230 list_del_init(&(pnetwork->list));
232 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
234 pmlmepriv->num_of_scanned--;
236 /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
240 return the wlan_network with the matching addr
242 Shall be called under atomic context... to avoid possible racing condition...
244 struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
246 struct list_head *phead, *plist;
247 struct wlan_network *pnetwork = NULL;
248 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
250 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
255 /* spin_lock_bh(&scanned_queue->lock); */
257 phead = get_list_head(scanned_queue);
258 plist = get_next(phead);
260 while (plist != phead) {
261 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
263 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
266 plist = get_next(plist);
272 /* spin_unlock_bh(&scanned_queue->lock); */
278 void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
280 struct list_head *phead, *plist;
281 struct wlan_network *pnetwork;
282 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
283 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
285 spin_lock_bh(&scanned_queue->lock);
287 phead = get_list_head(scanned_queue);
288 plist = get_next(phead);
290 while (phead != plist) {
292 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
294 plist = get_next(plist);
296 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
300 spin_unlock_bh(&scanned_queue->lock);
306 sint rtw_if_up(struct adapter *padapter)
311 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
312 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
313 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
321 void rtw_generate_random_ibss(u8 *pibss)
323 unsigned long curtime = jiffies;
325 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
328 pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
329 pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
330 pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
334 u8 *rtw_get_capability_from_ie(u8 *ie)
340 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
344 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
346 return le16_to_cpu(val);
349 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
354 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
356 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
357 _rtw_free_mlme_priv(pmlmepriv);
361 static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
363 struct wlan_network *pnetwork;
365 pnetwork = _rtw_dequeue_network(queue);
370 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
371 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
373 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */
374 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
375 rtw_cfg80211_unlink_bss(padapter, pnetwork);
379 void rtw_free_network_queue(struct adapter *dev, u8 isfreeall)
381 _rtw_free_network_queue(dev, isfreeall);
385 return the wlan_network with the matching addr
387 Shall be called under atomic context... to avoid possible racing condition...
389 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
391 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
396 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
399 struct security_priv *psecuritypriv = &adapter->securitypriv;
401 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
402 (pnetwork->network.Privacy == 0))
404 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
405 (pnetwork->network.Privacy == 1))
414 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
416 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */
417 /* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */
418 return (a->Ssid.SsidLength == b->Ssid.SsidLength)
419 && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
422 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
427 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
430 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
431 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
434 s_cap = le16_to_cpu(tmps);
435 d_cap = le16_to_cpu(tmpd);
437 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
438 /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
439 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
440 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
441 ((s_cap & WLAN_CAPABILITY_IBSS) ==
442 (d_cap & WLAN_CAPABILITY_IBSS)) &&
443 ((s_cap & WLAN_CAPABILITY_BSS) ==
444 (d_cap & WLAN_CAPABILITY_BSS));
448 struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
450 struct list_head *phead, *plist;
451 struct wlan_network *found = NULL;
453 phead = get_list_head(scanned_queue);
454 plist = get_next(phead);
456 while (plist != phead) {
457 found = LIST_CONTAINOR(plist, struct wlan_network, list);
459 if (is_same_network(&network->network, &found->network, 0))
462 plist = get_next(plist);
471 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
473 struct list_head *plist, *phead;
476 struct wlan_network *pwlan = NULL;
477 struct wlan_network *oldest = NULL;
479 phead = get_list_head(scanned_queue);
481 plist = get_next(phead);
488 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
490 if (pwlan->fixed != true) {
491 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
495 plist = get_next(plist);
501 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
502 struct adapter *padapter, bool update_ie)
504 long rssi_ori = dst->Rssi;
506 u8 sq_smp = src->PhyInfo.SignalQuality;
512 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
513 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
514 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n"
515 , FUNC_ADPT_ARG(padapter)
516 , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
517 , ss_ori, sq_ori, rssi_ori
518 , ss_smp, sq_smp, rssi_smp
523 /* The rule below is 1/5 for sample value, 4/5 for history value */
524 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
525 /* Take the recvpriv's value for the connected AP*/
526 ss_final = padapter->recvpriv.signal_strength;
527 sq_final = padapter->recvpriv.signal_qual;
528 /* the rssi value here is undecorated, and will be used for antenna diversity */
529 if (sq_smp != 101) /* from the right channel */
530 rssi_final = (src->Rssi+dst->Rssi*4)/5;
532 rssi_final = rssi_ori;
534 if (sq_smp != 101) { /* from the right channel */
535 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
536 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
537 rssi_final = (src->Rssi+dst->Rssi*4)/5;
539 /* bss info not receiving from the right channel, use the original RX signal infos */
540 ss_final = dst->PhyInfo.SignalStrength;
541 sq_final = dst->PhyInfo.SignalQuality;
542 rssi_final = dst->Rssi;
548 dst->Reserved[0] = src->Reserved[0];
549 dst->Reserved[1] = src->Reserved[1];
550 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
553 dst->PhyInfo.SignalStrength = ss_final;
554 dst->PhyInfo.SignalQuality = sq_final;
555 dst->Rssi = rssi_final;
557 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
558 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
559 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
560 , FUNC_ADPT_ARG(padapter)
561 , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
566 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
568 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
570 rtw_bug_check(&(pmlmepriv->cur_network.network),
571 &(pmlmepriv->cur_network.network),
572 &(pmlmepriv->cur_network.network),
573 &(pmlmepriv->cur_network.network));
575 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
576 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */
578 /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */
580 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
581 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
582 pmlmepriv->cur_network.network.IELength);
590 Caller must hold pmlmepriv->lock first.
594 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
596 struct list_head *plist, *phead;
598 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
599 struct __queue *queue = &(pmlmepriv->scanned_queue);
600 struct wlan_network *pnetwork = NULL;
601 struct wlan_network *oldest = NULL;
605 spin_lock_bh(&queue->lock);
606 phead = get_list_head(queue);
607 plist = get_next(phead);
613 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
615 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
617 if (is_same_network(&(pnetwork->network), target, feature)) {
622 if (rtw_roam_flags(adapter)) {
623 /* TODO: don't select netowrk in the same ess as oldest if it's new enough*/
626 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
629 plist = get_next(plist);
634 /* If we didn't find a match, then get a new network slot to initialize
635 * with this beacon's information */
636 /* if (phead == plist) { */
638 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
639 /* If there are no more slots, expire the oldest */
640 /* list_del_init(&oldest->list); */
642 if (pnetwork == NULL) {
643 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
646 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
647 /* variable initialize */
648 pnetwork->fixed = false;
649 pnetwork->last_scanned = jiffies;
651 pnetwork->network_type = 0;
653 pnetwork->join_res = 0;
655 /* bss info not receiving from the right channel */
656 if (pnetwork->network.PhyInfo.SignalQuality == 101)
657 pnetwork->network.PhyInfo.SignalQuality = 0;
659 /* Otherwise just pull from the free list */
661 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
663 if (pnetwork == NULL) {
664 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
668 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
669 target->Length = bssid_ex_sz;
670 memcpy(&(pnetwork->network), target, bssid_ex_sz);
672 pnetwork->last_scanned = jiffies;
674 /* bss info not receiving from the right channel */
675 if (pnetwork->network.PhyInfo.SignalQuality == 101)
676 pnetwork->network.PhyInfo.SignalQuality = 0;
678 list_add_tail(&(pnetwork->list), &(queue->queue));
682 /* we have an entry and we are going to update it. But this entry may
683 * be already expired. In this case we do the same as we found a new
684 * net and call the new_net handler
686 bool update_ie = true;
688 pnetwork->last_scanned = jiffies;
690 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
691 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
694 /* probe resp(3) > beacon(1) > probe req(2) */
695 if ((target->Reserved[0] != 2) &&
696 (target->Reserved[0] >= pnetwork->network.Reserved[0])
703 update_network(&(pnetwork->network), target, adapter, update_ie);
707 spin_unlock_bh(&queue->lock);
710 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
711 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
713 /* struct __queue *queue = &(pmlmepriv->scanned_queue); */
715 /* spin_lock_bh(&queue->lock); */
717 update_current_network(adapter, pnetwork);
719 rtw_update_scanned_network(adapter, pnetwork);
721 /* spin_unlock_bh(&queue->lock); */
724 /* select the desired network based on the capability of the (i)bss. */
725 /* check items: (1) security */
726 /* (2) network_type */
730 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
731 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
733 struct security_priv *psecuritypriv = &adapter->securitypriv;
734 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
738 /* u8 wps_ie[512]; */
741 int bselected = true;
743 desired_encmode = psecuritypriv->ndisencryptstatus;
744 privacy = pnetwork->network.Privacy;
746 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
747 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
753 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
757 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
760 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
761 p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
762 if (p && ie_len > 0) {
771 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
772 DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
776 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
777 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
785 /* TODO: Perry : For Power Management */
786 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
788 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_event\n"));
792 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
795 struct wlan_bssid_ex *pnetwork;
796 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
798 pnetwork = (struct wlan_bssid_ex *)pbuf;
800 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid));
802 len = get_wlan_bssid_ex_sz(pnetwork);
803 if (len > (sizeof(struct wlan_bssid_ex))) {
804 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
809 spin_lock_bh(&pmlmepriv->lock);
811 /* update IBSS_network 's timestamp */
812 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
813 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */
814 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
815 struct wlan_network *ibss_wlan = NULL;
817 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
818 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
819 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
821 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
822 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
825 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
829 /* lock pmlmepriv->lock when you accessing network_q */
830 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
831 if (pnetwork->Ssid.Ssid[0] == 0) {
832 pnetwork->Ssid.SsidLength = 0;
834 rtw_add_network(adapter, pnetwork);
839 spin_unlock_bh(&pmlmepriv->lock);
846 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
848 u8 timer_cancelled = false;
849 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
851 spin_lock_bh(&pmlmepriv->lock);
852 if (pmlmepriv->wps_probe_req_ie) {
853 pmlmepriv->wps_probe_req_ie_len = 0;
854 kfree(pmlmepriv->wps_probe_req_ie);
855 pmlmepriv->wps_probe_req_ie = NULL;
858 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
860 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
861 /* u8 timer_cancelled; */
863 timer_cancelled = true;
864 /* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */
866 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
869 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
871 spin_unlock_bh(&pmlmepriv->lock);
874 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
877 spin_lock_bh(&pmlmepriv->lock);
879 rtw_set_signal_stat_timer(&adapter->recvpriv);
881 if (pmlmepriv->to_join == true) {
882 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
883 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
884 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
886 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
887 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
889 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
890 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
892 /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
893 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
895 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
897 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
899 rtw_update_registrypriv_dev_network(adapter);
900 rtw_generate_random_ibss(pibss);
902 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
904 if (rtw_createbss_cmd(adapter) != _SUCCESS) {
905 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
908 pmlmepriv->to_join = false;
913 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
914 pmlmepriv->to_join = false;
915 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
916 if (_SUCCESS == s_ret) {
917 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
918 } else if (s_ret == 2) {/* there is no need to wait for join */
919 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
920 rtw_indicate_connect(adapter);
922 DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
924 if (rtw_to_roam(adapter) != 0) {
925 if (rtw_dec_to_roam(adapter) == 0
926 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
928 rtw_set_to_roam(adapter, 0);
929 rtw_free_assoc_resources(adapter, 1);
930 rtw_indicate_disconnect(adapter);
932 pmlmepriv->to_join = true;
935 rtw_indicate_disconnect(adapter);
937 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
941 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
942 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
943 && check_fwstate(pmlmepriv, _FW_LINKED)) {
944 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
945 receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
946 , WLAN_REASON_ACTIVE_ROAM);
952 /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
954 spin_unlock_bh(&pmlmepriv->lock);
956 rtw_os_xmit_schedule(adapter);
958 rtw_cfg80211_surveydone_event_callback(adapter);
960 rtw_indicate_scan_done(adapter, false);
963 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
967 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
971 static void free_scanqueue(struct mlme_priv *pmlmepriv)
973 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
974 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
975 struct list_head *plist, *phead, *ptemp;
977 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
978 spin_lock_bh(&scan_queue->lock);
979 spin_lock_bh(&free_queue->lock);
981 phead = get_list_head(scan_queue);
982 plist = get_next(phead);
984 while (plist != phead) {
985 ptemp = get_next(plist);
986 list_del_init(plist);
987 list_add_tail(plist, &free_queue->queue);
989 pmlmepriv->num_of_scanned--;
992 spin_unlock_bh(&free_queue->lock);
993 spin_unlock_bh(&scan_queue->lock);
996 static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
998 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
999 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
1000 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
1001 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
1002 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
1005 static void find_network(struct adapter *adapter)
1007 struct wlan_network *pwlan = NULL;
1008 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1009 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
1011 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1013 pwlan->fixed = false;
1015 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
1018 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
1019 (adapter->stapriv.asoc_sta_count == 1))
1020 rtw_free_network_nolock(adapter, pwlan);
1024 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
1026 void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
1028 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1029 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
1030 struct sta_priv *pstapriv = &adapter->stapriv;
1031 struct dvobj_priv *psdpriv = adapter->dvobj;
1032 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1034 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
1035 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
1036 MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
1038 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
1039 struct sta_info *psta;
1041 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
1042 spin_lock_bh(&(pstapriv->sta_hash_lock));
1043 rtw_free_stainfo(adapter, psta);
1045 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1049 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
1050 struct sta_info *psta;
1052 rtw_free_all_stainfo(adapter);
1054 psta = rtw_get_bcmc_stainfo(adapter);
1055 rtw_free_stainfo(adapter, psta);
1057 rtw_init_bcmc_stainfo(adapter);
1060 find_network(adapter);
1062 if (lock_scanned_queue)
1063 adapter->securitypriv.key_mask = 0;
1065 rtw_reset_rx_info(pdbgpriv);
1069 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
1071 void rtw_indicate_connect(struct adapter *padapter)
1073 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1075 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
1077 pmlmepriv->to_join = false;
1079 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1081 set_fwstate(pmlmepriv, _FW_LINKED);
1083 rtw_os_indicate_connect(padapter);
1086 rtw_set_to_roam(padapter, 0);
1087 rtw_set_scan_deny(padapter, 3000);
1089 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
1093 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
1095 void rtw_indicate_disconnect(struct adapter *padapter)
1097 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1099 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
1101 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
1103 /* DBG_871X("clear wps when %s\n", __func__); */
1105 if (rtw_to_roam(padapter) > 0)
1106 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1108 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
1109 || (rtw_to_roam(padapter) <= 0)
1111 rtw_os_indicate_disconnect(padapter);
1113 /* set ips_deny_time to avoid enter IPS before LPS leave */
1114 rtw_set_ips_deny(padapter, 3000);
1116 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1118 rtw_clear_scan_deny(padapter);
1121 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
1124 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
1126 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1128 rtw_os_indicate_scan_done(padapter, aborted);
1130 if (is_primary_adapter(padapter) &&
1131 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
1132 (!check_fwstate(&padapter->mlmepriv,
1133 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
1134 struct pwrctrl_priv *pwrpriv;
1136 pwrpriv = adapter_to_pwrctl(padapter);
1137 rtw_set_ips_deny(padapter, 0);
1138 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
1142 void rtw_scan_abort(struct adapter *adapter)
1144 unsigned long start;
1145 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1146 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1149 pmlmeext->scan_abort = true;
1150 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1151 && jiffies_to_msecs(start) <= 200) {
1153 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1156 DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1160 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
1161 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
1162 DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1163 rtw_indicate_scan_done(adapter, true);
1165 pmlmeext->scan_abort = false;
1168 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1171 struct sta_info *bmc_sta, *psta = NULL;
1172 struct recv_reorder_ctrl *preorder_ctrl;
1173 struct sta_priv *pstapriv = &padapter->stapriv;
1174 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1176 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
1178 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
1181 if (psta) { /* update ptarget_sta */
1183 DBG_871X("%s\n", __func__);
1185 psta->aid = pnetwork->join_res;
1187 update_sta_info(padapter, psta);
1189 /* update station supportRate */
1190 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
1191 memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
1192 rtw_hal_update_sta_rate_mask(padapter, psta);
1194 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1195 psta->raid = rtw_hal_networktype_to_raid(padapter, psta);
1199 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1201 /* security related */
1202 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1203 padapter->securitypriv.binstallGrpkey = false;
1204 padapter->securitypriv.busetkipkey = false;
1205 padapter->securitypriv.bgrpkey_handshake = false;
1207 psta->ieee8021x_blocked = true;
1208 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1210 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1212 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1213 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1215 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1216 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1217 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1218 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1221 /* Commented by Albert 2012/07/21 */
1222 /* When doing the WPS, the wps_ie_len won't equal to 0 */
1223 /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
1224 if (padapter->securitypriv.wps_ie_len != 0) {
1225 psta->ieee8021x_blocked = true;
1226 padapter->securitypriv.wps_ie_len = 0;
1230 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1231 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1232 /* todo: check if AP can send A-MPDU packets */
1233 for (i = 0; i < 16 ; i++) {
1234 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1235 preorder_ctrl = &psta->recvreorder_ctrl[i];
1236 preorder_ctrl->enable = false;
1237 preorder_ctrl->indicate_seq = 0xffff;
1239 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1240 preorder_ctrl->indicate_seq);
1242 preorder_ctrl->wend_b = 0xffff;
1243 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1247 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1249 for (i = 0; i < 16 ; i++) {
1250 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1251 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1252 preorder_ctrl->enable = false;
1253 preorder_ctrl->indicate_seq = 0xffff;
1255 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1256 preorder_ctrl->indicate_seq);
1258 preorder_ctrl->wend_b = 0xffff;
1259 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1268 /* pnetwork : returns from rtw_joinbss_event_callback */
1269 /* ptarget_wlan: found from scanned_queue */
1270 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1272 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1273 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1275 DBG_871X("%s\n", __func__);
1277 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
1278 , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
1281 /* why not use ptarget_wlan?? */
1282 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1283 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1284 cur_network->network.IELength = ptarget_wlan->network.IELength;
1285 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1287 cur_network->aid = pnetwork->join_res;
1290 rtw_set_signal_stat_timer(&padapter->recvpriv);
1292 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1293 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1294 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1295 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1296 #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
1297 DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
1299 , FUNC_ADPT_ARG(padapter)
1300 , padapter->recvpriv.signal_strength
1301 , padapter->recvpriv.rssi
1302 , padapter->recvpriv.signal_qual
1306 rtw_set_signal_stat_timer(&padapter->recvpriv);
1308 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1309 switch (pnetwork->network.InfrastructureMode) {
1310 case Ndis802_11Infrastructure:
1312 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1313 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1315 pmlmepriv->fw_state = WIFI_STATION_STATE;
1318 case Ndis802_11IBSS:
1319 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1322 pmlmepriv->fw_state = WIFI_NULL_STATE;
1323 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1327 rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
1328 (cur_network->network.IELength));
1330 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
1333 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1334 /* pnetwork : returns from rtw_joinbss_event_callback */
1335 /* ptarget_wlan: found from scanned_queue */
1336 /* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1337 /* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1338 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1341 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1345 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1346 struct sta_priv *pstapriv = &adapter->stapriv;
1347 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1348 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1349 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1350 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1351 unsigned int the_same_macaddr = false;
1353 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
1355 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1358 if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1359 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1361 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1364 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1366 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1367 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1368 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1372 spin_lock_bh(&pmlmepriv->lock);
1374 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1375 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1377 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
1379 if (pnetwork->join_res > 0) {
1380 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1382 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1383 /* s1. find ptarget_wlan */
1384 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1385 if (the_same_macaddr == true) {
1386 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1388 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1390 pcur_wlan->fixed = false;
1392 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1394 rtw_free_stainfo(adapter, pcur_sta);
1396 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1397 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1399 ptarget_wlan->fixed = true;
1404 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1405 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1407 ptarget_wlan->fixed = true;
1411 /* s2. update cur_network */
1413 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1415 DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
1416 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1417 goto ignore_joinbss_callback;
1421 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1422 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1423 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1424 if (ptarget_sta == NULL) {
1425 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1426 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1427 goto ignore_joinbss_callback;
1431 /* s4. indicate connect */
1432 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1433 pmlmepriv->cur_network_scanned = ptarget_wlan;
1434 rtw_indicate_connect(adapter);
1436 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1437 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1441 /* s5. Cancel assoc_timer */
1442 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1444 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
1447 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1448 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1449 goto ignore_joinbss_callback;
1452 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1454 } else if (pnetwork->join_res == -4) {
1455 rtw_reset_securitypriv(adapter);
1456 _set_timer(&pmlmepriv->assoc_timer, 1);
1458 /* rtw_free_assoc_resources(adapter, 1); */
1460 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1461 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
1462 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1465 } else {/* if join_res < 0 (join fails), then try again */
1470 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1471 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
1474 if (res == _SUCCESS) {
1475 /* extend time of assoc_timer */
1476 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1478 } else if (res == 2) {/* there is no need to wait for join */
1479 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1480 rtw_indicate_connect(adapter);
1482 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
1485 _set_timer(&pmlmepriv->assoc_timer, 1);
1486 /* rtw_free_assoc_resources(adapter, 1); */
1487 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1495 ignore_joinbss_callback:
1497 spin_unlock_bh(&pmlmepriv->lock);
1500 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1502 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1504 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1506 rtw_os_xmit_schedule(adapter);
1509 /* FOR STA, AP , AD-HOC mode */
1510 void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1512 u16 media_status_rpt;
1517 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
1518 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1521 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1523 struct sta_info *psta;
1524 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1525 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1526 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1527 struct wlan_network *ptarget_wlan = NULL;
1529 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1532 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1533 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1535 u8 *passoc_req = NULL;
1536 u32 assoc_req_len = 0;
1538 rtw_sta_media_status_rpt(adapter, psta, 1);
1540 #ifndef CONFIG_AUTO_AP_MODE
1542 ap_sta_info_defer_update(adapter, psta);
1544 /* report to upper layer */
1545 DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
1546 spin_lock_bh(&psta->lock);
1547 if (psta->passoc_req && psta->assoc_req_len > 0) {
1548 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1550 assoc_req_len = psta->assoc_req_len;
1551 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1553 kfree(psta->passoc_req);
1554 psta->passoc_req = NULL;
1555 psta->assoc_req_len = 0;
1558 spin_unlock_bh(&psta->lock);
1560 if (passoc_req && assoc_req_len > 0) {
1561 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1565 #endif /* CONFIG_AUTO_AP_MODE */
1570 /* for AD-HOC mode */
1571 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1573 /* the sta have been in sta_info_queue => do nothing */
1575 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1577 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1580 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1582 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1586 /* to do : init sta_info variable */
1587 psta->qos_option = 0;
1588 psta->mac_id = (uint)pstassoc->cam_id;
1589 /* psta->aid = (uint)pstassoc->cam_id; */
1590 DBG_871X("%s\n", __func__);
1591 /* for ad-hoc mode */
1592 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1594 rtw_sta_media_status_rpt(adapter, psta, 1);
1596 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1597 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1600 psta->ieee8021x_blocked = false;
1602 spin_lock_bh(&pmlmepriv->lock);
1604 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1605 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1606 if (adapter->stapriv.asoc_sta_count == 2) {
1607 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1608 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1609 pmlmepriv->cur_network_scanned = ptarget_wlan;
1611 ptarget_wlan->fixed = true;
1612 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1613 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1614 rtw_indicate_connect(adapter);
1618 spin_unlock_bh(&pmlmepriv->lock);
1621 mlmeext_sta_add_event_callback(adapter, psta);
1624 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1627 struct sta_info *psta;
1628 struct wlan_network *pwlan = NULL;
1629 struct wlan_bssid_ex *pdev_network = NULL;
1631 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1632 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1633 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1634 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1635 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1637 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1639 mac_id = psta->mac_id;
1641 mac_id = pstadel->mac_id;
1643 DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
1647 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1648 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1649 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1652 /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1653 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1657 mlmeext_sta_del_event_callback(adapter);
1659 spin_lock_bh(&pmlmepriv->lock);
1661 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1662 u16 reason = *((unsigned short *)(pstadel->rsvd));
1664 struct wlan_network *roam_target = NULL;
1666 if (adapter->registrypriv.wifi_spec == 1) {
1668 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1670 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1672 roam_target = pmlmepriv->roam_network;
1676 if (rtw_to_roam(adapter) > 0)
1677 rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1678 else if (rtw_to_roam(adapter) == 0)
1679 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1681 rtw_set_to_roam(adapter, 0);
1684 rtw_free_uc_swdec_pending_queue(adapter);
1686 rtw_free_assoc_resources(adapter, 1);
1687 rtw_indicate_disconnect(adapter);
1689 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1690 /* remove the network entry in scanned_queue */
1691 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1693 pwlan->fixed = false;
1694 rtw_free_network_nolock(adapter, pwlan);
1696 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1698 _rtw_roaming(adapter, roam_target);
1701 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1702 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1704 rtw_free_stainfo(adapter, psta);
1706 if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1707 /* rtw_indicate_disconnect(adapter);removed@20091105 */
1708 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1709 /* free old ibss network */
1710 /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1711 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1713 pwlan->fixed = false;
1714 rtw_free_network_nolock(adapter, pwlan);
1716 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1717 /* re-create ibss */
1718 pdev_network = &(adapter->registrypriv.dev_network);
1719 pibss = adapter->registrypriv.dev_network.MacAddress;
1721 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1723 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1725 rtw_update_registrypriv_dev_network(adapter);
1727 rtw_generate_random_ibss(pibss);
1729 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1730 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1731 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1734 if (rtw_createbss_cmd(adapter) != _SUCCESS) {
1736 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1745 spin_unlock_bh(&pmlmepriv->lock);
1748 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1750 struct reportpwrstate_parm *preportpwrstate;
1752 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1753 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1754 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1755 cpwm_int_hdl(padapter, preportpwrstate);
1759 void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1761 WMMOnAssocRsp(padapter);
1765 * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
1766 * @adapter: pointer to struct adapter structure
1768 void _rtw_join_timeout_handler(struct timer_list *t)
1770 struct adapter *adapter = from_timer(adapter, t,
1771 mlmepriv.assoc_timer);
1772 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1774 DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
1776 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1779 spin_lock_bh(&pmlmepriv->lock);
1781 if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1783 rtw_dec_to_roam(adapter);
1784 if (rtw_to_roam(adapter) != 0) { /* try another */
1786 DBG_871X("%s try another roaming\n", __func__);
1787 do_join_r = rtw_do_join(adapter);
1788 if (_SUCCESS != do_join_r) {
1789 DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
1794 DBG_871X("%s We've try roaming but fail\n", __func__);
1795 rtw_indicate_disconnect(adapter);
1801 rtw_indicate_disconnect(adapter);
1802 free_scanqueue(pmlmepriv);/* */
1804 /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1805 rtw_cfg80211_indicate_disconnect(adapter);
1809 spin_unlock_bh(&pmlmepriv->lock);
1813 * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
1814 * @adapter: pointer to struct adapter structure
1816 void rtw_scan_timeout_handler(struct timer_list *t)
1818 struct adapter *adapter = from_timer(adapter, t,
1819 mlmepriv.scan_to_timer);
1820 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1822 DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1824 spin_lock_bh(&pmlmepriv->lock);
1826 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1828 spin_unlock_bh(&pmlmepriv->lock);
1830 rtw_indicate_scan_done(adapter, true);
1833 void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1835 struct mlme_priv *mlme = &adapter->mlmepriv;
1836 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1837 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1839 if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1840 mlme->auto_scan_int_ms = 0;
1841 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1842 mlme->auto_scan_int_ms = 60*1000;
1843 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1844 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1845 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1847 mlme->auto_scan_int_ms = 0; /* disabled */
1852 static void rtw_auto_scan_handler(struct adapter *padapter)
1854 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1856 rtw_mlme_reset_auto_scan_int(padapter);
1858 if (pmlmepriv->auto_scan_int_ms != 0
1859 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1861 if (!padapter->registrypriv.wifi_spec) {
1862 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1863 DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
1867 if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) {
1868 DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
1873 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1875 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1882 void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1887 if (adapter->hw_init_completed == false)
1890 if ((adapter->bDriverStopped == true) || (adapter->bSurpriseRemoved == true))
1893 if (adapter->net_closed == true)
1896 if (is_primary_adapter(adapter))
1897 DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", rtw_btcoex_IsBtDisabled(adapter), rtw_btcoex_IsBtControlLps(adapter));
1899 if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode == true)
1900 && (rtw_btcoex_IsBtControlLps(adapter) == false)
1904 linked_status_chk(adapter);
1906 bEnterPS = traffic_status_watchdog(adapter, 1);
1908 /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1909 rtw_hal_dm_watchdog_in_lps(adapter);
1911 /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1915 if (is_primary_adapter(adapter)) {
1916 rtw_dynamic_chk_wk_cmd(adapter);
1920 /* auto site survey */
1921 rtw_auto_scan_handler(adapter);
1925 inline bool rtw_is_scan_deny(struct adapter *adapter)
1927 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1928 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1931 inline void rtw_clear_scan_deny(struct adapter *adapter)
1933 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1934 atomic_set(&mlmepriv->set_scan_deny, 0);
1936 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1939 void rtw_set_scan_deny_timer_hdl(struct adapter *adapter)
1941 rtw_clear_scan_deny(adapter);
1944 void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1946 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1948 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1949 atomic_set(&mlmepriv->set_scan_deny, 1);
1950 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1954 * Select a new roaming candidate from the original @param candidate and @param competitor
1955 * @return true: candidate is updated
1956 * @return false: candidate is not updated
1958 static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1959 , struct wlan_network **candidate, struct wlan_network *competitor)
1961 int updated = false;
1962 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1964 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1967 if (rtw_is_desired_network(adapter, competitor) == false)
1970 DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
1971 (competitor == mlme->cur_network_scanned)?"*":" ",
1972 competitor->network.Ssid.Ssid,
1973 MAC_ARG(competitor->network.MacAddress),
1974 competitor->network.Configuration.DSConfig,
1975 (int)competitor->network.Rssi,
1976 jiffies_to_msecs(jiffies - competitor->last_scanned)
1979 /* got specific addr to roam */
1980 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1981 if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
1986 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1989 if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
1992 if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
1996 *candidate = competitor;
2003 int rtw_select_roaming_candidate(struct mlme_priv *mlme)
2006 struct list_head *phead;
2007 struct adapter *adapter;
2008 struct __queue *queue = &(mlme->scanned_queue);
2009 struct wlan_network *pnetwork = NULL;
2010 struct wlan_network *candidate = NULL;
2012 if (mlme->cur_network_scanned == NULL) {
2017 spin_lock_bh(&(mlme->scanned_queue.lock));
2018 phead = get_list_head(queue);
2019 adapter = (struct adapter *)mlme->nic_hdl;
2021 mlme->pscanned = get_next(phead);
2023 while (phead != mlme->pscanned) {
2025 pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
2026 if (pnetwork == NULL) {
2027 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2032 mlme->pscanned = get_next(mlme->pscanned);
2034 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2035 , pnetwork->network.Ssid.Ssid
2036 , MAC_ARG(pnetwork->network.MacAddress)
2037 , pnetwork->network.Configuration.DSConfig
2038 , (int)pnetwork->network.Rssi);
2040 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
2044 if (candidate == NULL) {
2045 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2049 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2050 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2051 candidate->network.Configuration.DSConfig);
2053 mlme->roam_network = candidate;
2055 if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
2056 eth_zero_addr(mlme->roam_tgt_addr);
2061 spin_unlock_bh(&(mlme->scanned_queue.lock));
2067 * Select a new join candidate from the original @param candidate and @param competitor
2068 * @return true: candidate is updated
2069 * @return false: candidate is not updated
2071 static int rtw_check_join_candidate(struct mlme_priv *mlme
2072 , struct wlan_network **candidate, struct wlan_network *competitor)
2074 int updated = false;
2075 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2078 /* check bssid, if needed */
2079 if (mlme->assoc_by_bssid == true) {
2080 if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
2084 /* check ssid, if needed */
2085 if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
2086 if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
2087 || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
2092 if (rtw_is_desired_network(adapter, competitor) == false)
2095 if (rtw_to_roam(adapter) > 0) {
2096 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
2097 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
2102 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
2103 *candidate = competitor;
2108 DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
2110 "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
2111 mlme->assoc_by_bssid,
2112 mlme->assoc_ssid.Ssid,
2113 rtw_to_roam(adapter),
2114 (*candidate)->network.Ssid.Ssid,
2115 MAC_ARG((*candidate)->network.MacAddress),
2116 (*candidate)->network.Configuration.DSConfig,
2117 (int)(*candidate)->network.Rssi
2127 The caller of the sub-routine will be in critical section...
2129 The caller must hold the following spinlock
2136 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
2139 struct list_head *phead;
2140 struct adapter *adapter;
2141 struct __queue *queue = &(pmlmepriv->scanned_queue);
2142 struct wlan_network *pnetwork = NULL;
2143 struct wlan_network *candidate = NULL;
2145 adapter = (struct adapter *)pmlmepriv->nic_hdl;
2147 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
2149 if (pmlmepriv->roam_network) {
2150 candidate = pmlmepriv->roam_network;
2151 pmlmepriv->roam_network = NULL;
2152 goto candidate_exist;
2155 phead = get_list_head(queue);
2156 pmlmepriv->pscanned = get_next(phead);
2158 while (phead != pmlmepriv->pscanned) {
2160 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
2161 if (pnetwork == NULL) {
2162 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2167 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
2169 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2170 , pnetwork->network.Ssid.Ssid
2171 , MAC_ARG(pnetwork->network.MacAddress)
2172 , pnetwork->network.Configuration.DSConfig
2173 , (int)pnetwork->network.Rssi);
2175 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
2179 if (candidate == NULL) {
2180 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2181 #ifdef CONFIG_WOWLAN
2182 _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
2187 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2188 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2189 candidate->network.Configuration.DSConfig);
2190 goto candidate_exist;
2195 /* check for situation of _FW_LINKED */
2196 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
2197 DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
2199 rtw_disassoc_cmd(adapter, 0, true);
2200 rtw_indicate_disconnect(adapter);
2201 rtw_free_assoc_resources(adapter, 0);
2204 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
2205 ret = rtw_joinbss_cmd(adapter, candidate);
2208 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
2212 sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
2214 struct cmd_obj *pcmd;
2215 struct setauth_parm *psetauthparm;
2216 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2217 sint res = _SUCCESS;
2219 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2221 res = _FAIL; /* try again */
2225 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
2226 if (psetauthparm == NULL) {
2227 kfree((unsigned char *)pcmd);
2232 memset(psetauthparm, 0, sizeof(struct setauth_parm));
2233 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
2235 pcmd->cmdcode = _SetAuth_CMD_;
2236 pcmd->parmbuf = (unsigned char *)psetauthparm;
2237 pcmd->cmdsz = (sizeof(struct setauth_parm));
2242 INIT_LIST_HEAD(&pcmd->list);
2244 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
2246 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2252 sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
2255 struct cmd_obj *pcmd;
2256 struct setkey_parm *psetkeyparm;
2257 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2258 sint res = _SUCCESS;
2260 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
2261 if (psetkeyparm == NULL) {
2265 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
2267 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
2268 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
2269 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
2271 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
2272 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
2275 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
2276 psetkeyparm->set_tx = set_tx;
2277 if (is_wep_enc(psetkeyparm->algorithm))
2278 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
2280 DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
2281 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
2283 switch (psetkeyparm->algorithm) {
2287 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2291 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2295 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2296 psetkeyparm->grpkey = 1;
2300 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2301 psetkeyparm->grpkey = 1;
2304 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm = %x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm));
2306 kfree((unsigned char *)psetkeyparm);
2312 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2314 kfree((unsigned char *)psetkeyparm);
2315 res = _FAIL; /* try again */
2319 pcmd->cmdcode = _SetKey_CMD_;
2320 pcmd->parmbuf = (u8 *)psetkeyparm;
2321 pcmd->cmdsz = (sizeof(struct setkey_parm));
2325 INIT_LIST_HEAD(&pcmd->list);
2327 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2329 setkey_hdl(adapter, (u8 *)psetkeyparm);
2330 kfree((u8 *) psetkeyparm);
2336 /* adjust IEs for rtw_joinbss_cmd in WMM */
2337 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2339 unsigned int ielength = 0;
2342 i = 12; /* after the fixed IE */
2343 while (i < in_len) {
2344 ielength = initial_out_len;
2346 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 */
2347 for (j = i; j < i + 9; j++) {
2348 out_ie[ielength] = in_ie[j];
2351 out_ie[initial_out_len + 1] = 0x07;
2352 out_ie[initial_out_len + 6] = 0x00;
2353 out_ie[initial_out_len + 8] = 0x00;
2358 i += (in_ie[i+1]+2); /* to the next IE element */
2367 /* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2368 /* Added by Annie, 2006-05-07. */
2370 /* Search by BSSID, */
2372 /* -1 :if there is no pre-auth key in the table */
2373 /* >= 0 :if there is pre-auth key, and return the entry id */
2377 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2379 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2383 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2384 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2391 } while (i < NUM_PMKID_CACHE);
2393 if (i == NUM_PMKID_CACHE) {
2394 i = -1;/* Could not find. */
2396 /* There is one Pre-Authentication Key for the specific BSSID. */
2404 /* Check the RSN IE length */
2405 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2406 /* 0-11th element in the array are the fixed IE */
2407 /* 12th element in the array is the IE */
2408 /* 13th element in the array is the IE length */
2411 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2413 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2416 /* The RSN IE didn't include the PMK ID, append the PMK information */
2419 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2421 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2424 ie[13] += 18;/* PMKID length = 2+16 */
2430 sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2436 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2437 struct security_priv *psecuritypriv = &adapter->securitypriv;
2438 uint ndisauthmode = psecuritypriv->ndisauthtype;
2440 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
2441 ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
2443 /* copy fixed ie only */
2444 memcpy(out_ie, in_ie, 12);
2446 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2447 authmode = _WPA_IE_ID_;
2448 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2449 authmode = _WPA2_IE_ID_;
2451 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2452 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2454 ielength += psecuritypriv->wps_ie_len;
2455 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
2456 /* copy RSN or SSN */
2457 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2458 /* debug for CONFIG_IEEE80211W
2461 printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2462 for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2463 printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2466 ielength += psecuritypriv->supplicant_ie[1]+2;
2467 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2470 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2474 if (authmode == _WPA2_IE_ID_)
2475 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2480 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2482 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2483 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2484 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2485 u8 *myhwaddr = myid(peepriv);
2487 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
2489 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2491 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_conf);
2492 pdev_network->Configuration.BeaconPeriod = 100;
2493 pdev_network->Configuration.FHConfig.Length = 0;
2494 pdev_network->Configuration.FHConfig.HopPattern = 0;
2495 pdev_network->Configuration.FHConfig.HopSet = 0;
2496 pdev_network->Configuration.FHConfig.DwellTime = 0;
2499 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2502 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2503 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2504 struct security_priv *psecuritypriv = &adapter->securitypriv;
2505 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2506 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2508 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */
2510 pdev_network->Rssi = 0;
2512 switch (pregistrypriv->wireless_mode) {
2514 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
2518 case WIRELESS_11_24N:
2519 case WIRELESS_11G_24N:
2520 case WIRELESS_11BG_24N:
2521 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2524 case WIRELESS_11A_5N:
2525 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2527 case WIRELESS_11ABGN:
2528 if (pregistrypriv->channel > 14)
2529 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2531 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2538 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
2539 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
2541 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2542 pdev_network->Configuration.ATIMWindow = (0);
2544 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
2546 /* 1. Supported rates */
2549 /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
2550 sz = rtw_generate_ie(pregistrypriv);
2552 pdev_network->IELength = sz;
2554 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2556 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
2557 /* pdev_network->IELength = cpu_to_le32(sz); */
2560 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2564 /* the function is at passive_level */
2565 void rtw_joinbss_reset(struct adapter *padapter)
2568 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2570 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2572 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2574 pmlmepriv->num_FortyMHzIntolerant = 0;
2576 pmlmepriv->num_sta_no_ht = 0;
2578 phtpriv->ampdu_enable = false;/* reset to disabled */
2580 /* TH = 1 => means that invalidate usb rx aggregation */
2581 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2582 if (phtpriv->ht_option) {
2583 if (padapter->registrypriv.wifi_spec == 1)
2587 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2590 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2594 void rtw_ht_use_default_setting(struct adapter *padapter)
2596 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2597 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2598 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2599 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2600 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2602 if (pregistrypriv->wifi_spec)
2603 phtpriv->bss_coexist = 1;
2605 phtpriv->bss_coexist = 0;
2607 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2608 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2611 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2612 CLEAR_FLAGS(phtpriv->ldpc_cap);
2613 if (bHwLDPCSupport) {
2614 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2615 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2617 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2618 if (bHwLDPCSupport) {
2619 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2620 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2622 if (phtpriv->ldpc_cap)
2623 DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
2626 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2627 CLEAR_FLAGS(phtpriv->stbc_cap);
2628 if (bHwSTBCSupport) {
2629 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2630 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2632 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2633 if (bHwSTBCSupport) {
2634 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2635 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2637 if (phtpriv->stbc_cap)
2638 DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
2640 /* Beamforming setting */
2641 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2642 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2643 CLEAR_FLAGS(phtpriv->beamform_cap);
2644 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
2645 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2646 DBG_871X("[HT] Support Beamformer\n");
2648 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
2649 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2650 DBG_871X("[HT] Support Beamformee\n");
2654 void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2656 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2660 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2661 out_len = *pout_len;
2662 pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2663 _WMM_IE_Length_, WMM_IE, pout_len);
2665 padapter->mlmepriv.qospriv.qos_option = 1;
2669 /* the function is >= passive_level */
2670 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2673 enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
2674 unsigned char *p, *pframe;
2675 struct rtw_ieee80211_ht_cap ht_capie;
2676 u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2677 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2678 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2679 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2680 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2682 phtpriv->ht_option = false;
2684 out_len = *pout_len;
2686 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2688 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2690 if (phtpriv->sgi_20m)
2691 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2694 if (in_ie == NULL) {
2695 /* TDLS: TODO 20/40 issue */
2696 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2697 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2698 if (operation_bw > CHANNEL_WIDTH_40)
2699 operation_bw = CHANNEL_WIDTH_40;
2701 /* TDLS: TODO 40? */
2702 operation_bw = CHANNEL_WIDTH_40;
2704 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2705 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2706 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2707 if (pht_info->infos[0] & BIT(2)) {
2708 switch (pht_info->infos[0] & 0x3) {
2711 operation_bw = CHANNEL_WIDTH_40;
2714 operation_bw = CHANNEL_WIDTH_20;
2718 operation_bw = CHANNEL_WIDTH_20;
2723 /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2725 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2728 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2732 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2733 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2734 if (phtpriv->sgi_40m)
2735 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2738 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2739 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2741 /* todo: disable SM power save mode */
2742 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2744 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2745 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2746 (pregistrypriv->wifi_spec == 1)) {
2748 DBG_871X("declare supporting RX STBC\n");
2752 /* fill default supported_mcs_set */
2753 memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
2755 /* update default supported_mcs_set */
2756 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2761 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2763 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
2770 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
2772 #ifdef CONFIG_DISABLE_MCS13TO15
2773 if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
2774 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
2776 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2777 #else /* CONFIG_DISABLE_MCS13TO15 */
2778 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2779 #endif /* CONFIG_DISABLE_MCS13TO15 */
2784 u32 rx_packet_offset, max_recvbuf_sz;
2785 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2786 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2789 if (padapter->driver_rx_ampdu_factor != 0xFF)
2790 max_rx_ampdu_factor =
2791 (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
2793 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2794 &max_rx_ampdu_factor);
2796 /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2797 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2799 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2800 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2802 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2804 pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2805 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2807 phtpriv->ht_option = true;
2809 if (in_ie != NULL) {
2810 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2811 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2812 out_len = *pout_len;
2813 pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2817 return phtpriv->ht_option;
2821 /* the function is > passive_level (in critical_section) */
2822 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2824 u8 *p, max_ampdu_sz;
2826 /* struct sta_info *bmc_sta, *psta; */
2827 struct rtw_ieee80211_ht_cap *pht_capie;
2828 struct ieee80211_ht_addt_info *pht_addtinfo;
2829 /* struct recv_reorder_ctrl *preorder_ctrl; */
2830 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2831 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2832 /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2833 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2834 /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2835 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2836 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2837 u8 cbw40_enable = 0;
2840 if (!phtpriv->ht_option)
2843 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2846 DBG_871X("+rtw_update_ht_cap()\n");
2848 /* maybe needs check if ap supports rx ampdu. */
2849 if ((phtpriv->ampdu_enable == false) && (pregistrypriv->ampdu_enable == 1)) {
2850 if (pregistrypriv->wifi_spec == 1) {
2851 /* remove this part because testbed AP should disable RX AMPDU */
2852 /* phtpriv->ampdu_enable = false; */
2853 phtpriv->ampdu_enable = true;
2855 phtpriv->ampdu_enable = true;
2857 } else if (pregistrypriv->ampdu_enable == 2) {
2858 /* remove this part because testbed AP should disable RX AMPDU */
2859 /* phtpriv->ampdu_enable = true; */
2863 /* check Max Rx A-MPDU Size */
2865 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2867 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2868 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2869 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2871 /* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */
2872 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2878 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie));
2880 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
2885 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2888 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2892 /* update cur_bwmode & cur_ch_offset */
2893 if ((cbw40_enable) &&
2894 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2895 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2899 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2901 /* update the MCS set */
2902 for (i = 0; i < 16; i++)
2903 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2905 /* update the MCS rates */
2909 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2913 #ifdef CONFIG_DISABLE_MCS13TO15
2914 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
2915 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
2917 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2918 #else /* CONFIG_DISABLE_MCS13TO15 */
2919 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2920 #endif /* CONFIG_DISABLE_MCS13TO15 */
2923 /* switch to the 40M Hz mode according to the AP */
2924 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2925 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2926 case EXTCHNL_OFFSET_UPPER:
2927 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2930 case EXTCHNL_OFFSET_LOWER:
2931 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2935 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2941 /* Config SM Power Save setting */
2944 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2946 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2947 DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2950 /* Config current HT Protection mode. */
2952 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2955 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2959 struct sta_info *psta = NULL;
2960 struct ht_priv *phtpriv;
2961 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2962 s32 bmcst = IS_MCAST(pattrib->ra);
2964 /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
2965 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2968 priority = pattrib->priority;
2970 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2971 if (pattrib->psta != psta) {
2972 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2977 DBG_871X("%s, psta ==NUL\n", __func__);
2981 if (!(psta->state & _FW_LINKED)) {
2982 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2987 phtpriv = &psta->htpriv;
2989 if ((phtpriv->ht_option == true) && (phtpriv->ampdu_enable == true)) {
2990 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2991 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2994 DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
2995 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2996 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
3002 void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
3004 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3005 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
3006 u8 cap_content[8] = {0};
3010 if (phtpriv->bss_coexist) {
3011 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
3014 pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
3017 inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
3020 adapter->mlmepriv.to_join = false;
3021 adapter->mlmepriv.to_roam = to_roam;
3024 inline u8 rtw_dec_to_roam(struct adapter *adapter)
3026 adapter->mlmepriv.to_roam--;
3027 return adapter->mlmepriv.to_roam;
3030 inline u8 rtw_to_roam(struct adapter *adapter)
3032 return adapter->mlmepriv.to_roam;
3035 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
3037 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3039 spin_lock_bh(&pmlmepriv->lock);
3040 _rtw_roaming(padapter, tgt_network);
3041 spin_unlock_bh(&pmlmepriv->lock);
3043 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
3045 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
3046 struct wlan_network *cur_network = &pmlmepriv->cur_network;
3049 if (0 < rtw_to_roam(padapter)) {
3050 DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
3051 cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
3052 cur_network->network.Ssid.SsidLength);
3053 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
3055 pmlmepriv->assoc_by_bssid = false;
3058 do_join_r = rtw_do_join(padapter);
3059 if (_SUCCESS == do_join_r) {
3062 DBG_871X("roaming do_join return %d\n", do_join_r);
3063 rtw_dec_to_roam(padapter);
3065 if (rtw_to_roam(padapter) > 0) {
3068 DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
3069 rtw_indicate_disconnect(padapter);
3078 sint rtw_linked_check(struct adapter *padapter)
3080 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
3081 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
3082 if (padapter->stapriv.asoc_sta_count > 2)
3084 } else { /* Station mode */
3085 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)