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 <hal_btcoex.h>
13 #include <linux/jiffies.h>
15 extern u8 rtw_do_join(struct adapter *padapter);
17 int rtw_init_mlme_priv(struct adapter *padapter)
21 struct wlan_network *pnetwork;
22 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
25 pmlmepriv->nic_hdl = (u8 *)padapter;
27 pmlmepriv->pscanned = NULL;
28 pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */
29 /* wdev->iftype = NL80211_IFTYPE_STATION */
30 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
31 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
33 spin_lock_init(&pmlmepriv->lock);
34 _rtw_init_queue(&pmlmepriv->free_bss_pool);
35 _rtw_init_queue(&pmlmepriv->scanned_queue);
37 set_scanned_network_val(pmlmepriv, 0);
39 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
41 pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network)));
47 pmlmepriv->free_bss_buf = pbuf;
49 pnetwork = (struct wlan_network *)pbuf;
51 for (i = 0; i < MAX_BSS_CNT; i++) {
52 INIT_LIST_HEAD(&pnetwork->list);
54 list_add_tail(&pnetwork->list, &pmlmepriv->free_bss_pool.queue);
59 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
61 rtw_clear_scan_deny(padapter);
63 #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000
64 #define RTW_ROAM_RSSI_DIFF_TH 10
65 #define RTW_ROAM_SCAN_INTERVAL_MS 10000
67 pmlmepriv->roam_flags = 0
70 #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */
75 pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS;
76 pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH;
77 pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS;
79 rtw_init_mlme_timer(padapter);
86 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
95 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
97 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
98 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
99 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
100 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
101 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
102 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
108 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
111 void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
114 rtw_free_mlme_priv_ie_data(pmlmepriv);
115 if (pmlmepriv->free_bss_buf)
116 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);
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--;
211 /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */
213 spin_unlock_bh(&free_queue->lock);
216 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
219 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
227 /* spin_lock_irqsave(&free_queue->lock, irqL); */
229 list_del_init(&(pnetwork->list));
231 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
233 pmlmepriv->num_of_scanned--;
235 /* spin_unlock_irqrestore(&free_queue->lock, irqL); */
239 return the wlan_network with the matching addr
241 Shall be called under atomic context... to avoid possible racing condition...
243 struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr)
245 struct list_head *phead, *plist;
246 struct wlan_network *pnetwork = NULL;
247 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
249 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
254 /* spin_lock_bh(&scanned_queue->lock); */
256 phead = get_list_head(scanned_queue);
257 plist = get_next(phead);
259 while (plist != phead) {
260 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
262 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
265 plist = get_next(plist);
271 /* spin_unlock_bh(&scanned_queue->lock); */
277 void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
279 struct list_head *phead, *plist;
280 struct wlan_network *pnetwork;
281 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
282 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
284 spin_lock_bh(&scanned_queue->lock);
286 phead = get_list_head(scanned_queue);
287 plist = get_next(phead);
289 while (phead != plist) {
291 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
293 plist = get_next(plist);
295 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
299 spin_unlock_bh(&scanned_queue->lock);
302 sint rtw_if_up(struct adapter *padapter)
306 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
307 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
308 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved));
315 void rtw_generate_random_ibss(u8 *pibss)
317 unsigned long curtime = jiffies;
319 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
322 pibss[3] = (u8)(curtime & 0xff) ;/* p[0]; */
323 pibss[4] = (u8)((curtime>>8) & 0xff) ;/* p[1]; */
324 pibss[5] = (u8)((curtime>>16) & 0xff) ;/* p[2]; */
327 u8 *rtw_get_capability_from_ie(u8 *ie)
332 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
336 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
338 return le16_to_cpu(val);
341 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
346 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
348 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
349 _rtw_free_mlme_priv(pmlmepriv);
353 static struct wlan_network *rtw_dequeue_network(struct __queue *queue)
355 struct wlan_network *pnetwork;
357 pnetwork = _rtw_dequeue_network(queue);
362 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork);
363 void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork)
365 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */
366 _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork);
367 rtw_cfg80211_unlink_bss(padapter, pnetwork);
371 return the wlan_network with the matching addr
373 Shall be called under atomic context... to avoid possible racing condition...
375 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
377 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
382 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
385 struct security_priv *psecuritypriv = &adapter->securitypriv;
387 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
388 (pnetwork->network.Privacy == 0))
390 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
391 (pnetwork->network.Privacy == 1))
400 inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
402 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */
403 /* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */
404 return (a->Ssid.SsidLength == b->Ssid.SsidLength)
405 && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
408 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature)
413 if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false)
416 memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2);
417 memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2);
419 s_cap = le16_to_cpu(tmps);
420 d_cap = le16_to_cpu(tmpd);
422 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
423 /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */
424 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) &&
425 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) &&
426 ((s_cap & WLAN_CAPABILITY_IBSS) ==
427 (d_cap & WLAN_CAPABILITY_IBSS)) &&
428 ((s_cap & WLAN_CAPABILITY_BSS) ==
429 (d_cap & WLAN_CAPABILITY_BSS));
433 struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network)
435 struct list_head *phead, *plist;
436 struct wlan_network *found = NULL;
438 phead = get_list_head(scanned_queue);
439 plist = get_next(phead);
441 while (plist != phead) {
442 found = LIST_CONTAINOR(plist, struct wlan_network, list);
444 if (is_same_network(&network->network, &found->network, 0))
447 plist = get_next(plist);
456 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
458 struct list_head *plist, *phead;
460 struct wlan_network *pwlan = NULL;
461 struct wlan_network *oldest = NULL;
463 phead = get_list_head(scanned_queue);
465 plist = get_next(phead);
472 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
475 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
479 plist = get_next(plist);
485 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
486 struct adapter *padapter, bool update_ie)
488 long rssi_ori = dst->Rssi;
490 u8 sq_smp = src->PhyInfo.SignalQuality;
496 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
497 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
498 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"
499 , FUNC_ADPT_ARG(padapter)
500 , src->Ssid.Ssid, MAC_ARG(src->MacAddress), src->Configuration.DSConfig
501 , ss_ori, sq_ori, rssi_ori
502 , ss_smp, sq_smp, rssi_smp
507 /* The rule below is 1/5 for sample value, 4/5 for history value */
508 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src, 0)) {
509 /* Take the recvpriv's value for the connected AP*/
510 ss_final = padapter->recvpriv.signal_strength;
511 sq_final = padapter->recvpriv.signal_qual;
512 /* the rssi value here is undecorated, and will be used for antenna diversity */
513 if (sq_smp != 101) /* from the right channel */
514 rssi_final = (src->Rssi+dst->Rssi*4)/5;
516 rssi_final = rssi_ori;
518 if (sq_smp != 101) { /* from the right channel */
519 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
520 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
521 rssi_final = (src->Rssi+dst->Rssi*4)/5;
523 /* bss info not receiving from the right channel, use the original RX signal infos */
524 ss_final = dst->PhyInfo.SignalStrength;
525 sq_final = dst->PhyInfo.SignalQuality;
526 rssi_final = dst->Rssi;
532 dst->Reserved[0] = src->Reserved[0];
533 dst->Reserved[1] = src->Reserved[1];
534 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
537 dst->PhyInfo.SignalStrength = ss_final;
538 dst->PhyInfo.SignalQuality = sq_final;
539 dst->Rssi = rssi_final;
541 #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1
542 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) {
543 DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n"
544 , FUNC_ADPT_ARG(padapter)
545 , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi);
550 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
552 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
554 rtw_bug_check(&(pmlmepriv->cur_network.network),
555 &(pmlmepriv->cur_network.network),
556 &(pmlmepriv->cur_network.network),
557 &(pmlmepriv->cur_network.network));
559 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) {
560 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */
562 /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */
564 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
565 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie),
566 pmlmepriv->cur_network.network.IELength);
572 Caller must hold pmlmepriv->lock first.
574 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
576 struct list_head *plist, *phead;
578 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
579 struct __queue *queue = &(pmlmepriv->scanned_queue);
580 struct wlan_network *pnetwork = NULL;
581 struct wlan_network *oldest = NULL;
585 spin_lock_bh(&queue->lock);
586 phead = get_list_head(queue);
587 plist = get_next(phead);
593 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
595 rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork);
597 if (is_same_network(&(pnetwork->network), target, feature)) {
602 if (rtw_roam_flags(adapter)) {
603 /* TODO: don't select netowrk in the same ess as oldest if it's new enough*/
606 if (oldest == NULL || time_after(oldest->last_scanned, pnetwork->last_scanned))
609 plist = get_next(plist);
613 /* If we didn't find a match, then get a new network slot to initialize
614 * with this beacon's information */
615 /* if (phead == plist) { */
617 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
618 /* If there are no more slots, expire the oldest */
619 /* list_del_init(&oldest->list); */
622 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
625 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
626 /* variable initialize */
627 pnetwork->fixed = false;
628 pnetwork->last_scanned = jiffies;
630 pnetwork->network_type = 0;
632 pnetwork->join_res = 0;
634 /* bss info not receiving from the right channel */
635 if (pnetwork->network.PhyInfo.SignalQuality == 101)
636 pnetwork->network.PhyInfo.SignalQuality = 0;
638 /* Otherwise just pull from the free list */
640 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
643 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
647 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
648 target->Length = bssid_ex_sz;
649 memcpy(&(pnetwork->network), target, bssid_ex_sz);
651 pnetwork->last_scanned = jiffies;
653 /* bss info not receiving from the right channel */
654 if (pnetwork->network.PhyInfo.SignalQuality == 101)
655 pnetwork->network.PhyInfo.SignalQuality = 0;
657 list_add_tail(&(pnetwork->list), &(queue->queue));
661 /* we have an entry and we are going to update it. But this entry may
662 * be already expired. In this case we do the same as we found a new
663 * net and call the new_net handler
665 bool update_ie = true;
667 pnetwork->last_scanned = jiffies;
669 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
670 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
673 /* probe resp(3) > beacon(1) > probe req(2) */
674 if ((target->Reserved[0] != 2) &&
675 (target->Reserved[0] >= pnetwork->network.Reserved[0])
682 update_network(&(pnetwork->network), target, adapter, update_ie);
686 spin_unlock_bh(&queue->lock);
689 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork);
690 void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
692 /* struct __queue *queue = &(pmlmepriv->scanned_queue); */
694 /* spin_lock_bh(&queue->lock); */
696 update_current_network(adapter, pnetwork);
698 rtw_update_scanned_network(adapter, pnetwork);
700 /* spin_unlock_bh(&queue->lock); */
703 /* select the desired network based on the capability of the (i)bss. */
704 /* check items: (1) security */
705 /* (2) network_type */
709 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork);
710 int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
712 struct security_priv *psecuritypriv = &adapter->securitypriv;
713 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
717 /* u8 wps_ie[512]; */
720 int bselected = true;
722 desired_encmode = psecuritypriv->ndisencryptstatus;
723 privacy = pnetwork->network.Privacy;
725 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
726 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen))
732 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
736 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
739 if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) {
740 p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_));
748 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
749 DBG_871X("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
753 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
754 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
761 /* TODO: Perry : For Power Management */
762 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
764 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_event\n"));
767 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
770 struct wlan_bssid_ex *pnetwork;
771 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
773 pnetwork = (struct wlan_bssid_ex *)pbuf;
775 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid =%s\n", pnetwork->Ssid.Ssid));
777 len = get_wlan_bssid_ex_sz(pnetwork);
778 if (len > (sizeof(struct wlan_bssid_ex))) {
779 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n ****rtw_survey_event_callback: return a wrong bss ***\n"));
783 spin_lock_bh(&pmlmepriv->lock);
785 /* update IBSS_network 's timestamp */
786 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
787 /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */
788 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
789 struct wlan_network *ibss_wlan = NULL;
791 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
792 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
793 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
795 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
796 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
799 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
803 /* lock pmlmepriv->lock when you accessing network_q */
804 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
805 if (pnetwork->Ssid.Ssid[0] == 0)
806 pnetwork->Ssid.SsidLength = 0;
807 rtw_add_network(adapter, pnetwork);
812 spin_unlock_bh(&pmlmepriv->lock);
815 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
817 u8 timer_cancelled = false;
818 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
820 spin_lock_bh(&pmlmepriv->lock);
821 if (pmlmepriv->wps_probe_req_ie) {
822 pmlmepriv->wps_probe_req_ie_len = 0;
823 kfree(pmlmepriv->wps_probe_req_ie);
824 pmlmepriv->wps_probe_req_ie = NULL;
827 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
829 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
830 /* u8 timer_cancelled; */
832 timer_cancelled = true;
833 /* _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); */
835 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
838 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status =%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
840 spin_unlock_bh(&pmlmepriv->lock);
843 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
845 spin_lock_bh(&pmlmepriv->lock);
847 rtw_set_signal_stat_timer(&adapter->recvpriv);
849 if (pmlmepriv->to_join) {
850 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
851 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
852 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
854 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
855 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
857 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
858 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
860 /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */
861 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
863 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
865 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
867 rtw_update_registrypriv_dev_network(adapter);
868 rtw_generate_random_ibss(pibss);
870 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
872 if (rtw_createbss_cmd(adapter) != _SUCCESS)
873 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error =>rtw_createbss_cmd status FAIL\n"));
875 pmlmepriv->to_join = false;
880 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
881 pmlmepriv->to_join = false;
882 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
883 if (_SUCCESS == s_ret) {
884 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
885 } else if (s_ret == 2) {/* there is no need to wait for join */
886 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
887 rtw_indicate_connect(adapter);
889 DBG_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter));
891 if (rtw_to_roam(adapter) != 0) {
892 if (rtw_dec_to_roam(adapter) == 0
893 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)
895 rtw_set_to_roam(adapter, 0);
896 rtw_free_assoc_resources(adapter, 1);
897 rtw_indicate_disconnect(adapter);
899 pmlmepriv->to_join = true;
902 rtw_indicate_disconnect(adapter);
904 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
908 if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
909 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
910 && check_fwstate(pmlmepriv, _FW_LINKED)) {
911 if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) {
912 receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress
913 , WLAN_REASON_ACTIVE_ROAM);
919 /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */
921 spin_unlock_bh(&pmlmepriv->lock);
923 rtw_os_xmit_schedule(adapter);
925 rtw_cfg80211_surveydone_event_callback(adapter);
927 rtw_indicate_scan_done(adapter, false);
930 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
934 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
938 static void free_scanqueue(struct mlme_priv *pmlmepriv)
940 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
941 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
942 struct list_head *plist, *phead, *ptemp;
944 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
945 spin_lock_bh(&scan_queue->lock);
946 spin_lock_bh(&free_queue->lock);
948 phead = get_list_head(scan_queue);
949 plist = get_next(phead);
951 while (plist != phead) {
952 ptemp = get_next(plist);
953 list_del_init(plist);
954 list_add_tail(plist, &free_queue->queue);
956 pmlmepriv->num_of_scanned--;
959 spin_unlock_bh(&free_queue->lock);
960 spin_unlock_bh(&scan_queue->lock);
963 static void rtw_reset_rx_info(struct debug_priv *pdbgpriv)
965 pdbgpriv->dbg_rx_ampdu_drop_count = 0;
966 pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0;
967 pdbgpriv->dbg_rx_ampdu_loss_count = 0;
968 pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0;
969 pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0;
972 static void find_network(struct adapter *adapter)
974 struct wlan_network *pwlan = NULL;
975 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
976 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
978 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
980 pwlan->fixed = false;
982 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources : pwlan == NULL\n\n"));
984 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) &&
985 (adapter->stapriv.asoc_sta_count == 1))
986 rtw_free_network_nolock(adapter, pwlan);
990 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
992 void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
994 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
995 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
996 struct sta_priv *pstapriv = &adapter->stapriv;
997 struct dvobj_priv *psdpriv = adapter->dvobj;
998 struct debug_priv *pdbgpriv = &psdpriv->drv_dbg;
1000 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
1001 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress ="MAC_FMT" ssid =%s\n",
1002 MAC_ARG(tgt_network->network.MacAddress), tgt_network->network.Ssid.Ssid));
1004 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
1005 struct sta_info *psta;
1007 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
1008 spin_lock_bh(&(pstapriv->sta_hash_lock));
1009 rtw_free_stainfo(adapter, psta);
1011 spin_unlock_bh(&(pstapriv->sta_hash_lock));
1015 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) {
1016 struct sta_info *psta;
1018 rtw_free_all_stainfo(adapter);
1020 psta = rtw_get_bcmc_stainfo(adapter);
1021 rtw_free_stainfo(adapter, psta);
1023 rtw_init_bcmc_stainfo(adapter);
1026 find_network(adapter);
1028 if (lock_scanned_queue)
1029 adapter->securitypriv.key_mask = 0;
1031 rtw_reset_rx_info(pdbgpriv);
1035 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
1037 void rtw_indicate_connect(struct adapter *padapter)
1039 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1041 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
1043 pmlmepriv->to_join = false;
1045 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
1047 set_fwstate(pmlmepriv, _FW_LINKED);
1049 rtw_os_indicate_connect(padapter);
1052 rtw_set_to_roam(padapter, 0);
1053 rtw_set_scan_deny(padapter, 3000);
1055 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state = 0x%08x\n", get_fwstate(pmlmepriv)));
1059 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
1061 void rtw_indicate_disconnect(struct adapter *padapter)
1063 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1065 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
1067 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS);
1069 /* DBG_871X("clear wps when %s\n", __func__); */
1071 if (rtw_to_roam(padapter) > 0)
1072 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1074 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)
1075 || (rtw_to_roam(padapter) <= 0)
1077 rtw_os_indicate_disconnect(padapter);
1079 /* set ips_deny_time to avoid enter IPS before LPS leave */
1080 rtw_set_ips_deny(padapter, 3000);
1082 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1084 rtw_clear_scan_deny(padapter);
1087 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
1090 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
1092 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1094 rtw_os_indicate_scan_done(padapter, aborted);
1096 if (is_primary_adapter(padapter) &&
1097 (!adapter_to_pwrctl(padapter)->bInSuspend) &&
1098 (!check_fwstate(&padapter->mlmepriv,
1099 WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) {
1100 struct pwrctrl_priv *pwrpriv;
1102 pwrpriv = adapter_to_pwrctl(padapter);
1103 rtw_set_ips_deny(padapter, 0);
1104 _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1);
1108 void rtw_scan_abort(struct adapter *adapter)
1110 unsigned long start;
1111 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1112 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
1115 pmlmeext->scan_abort = true;
1116 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)
1117 && jiffies_to_msecs(start) <= 200) {
1119 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1122 DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1126 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
1127 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
1128 DBG_871X(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
1129 rtw_indicate_scan_done(adapter, true);
1131 pmlmeext->scan_abort = false;
1134 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
1137 struct sta_info *bmc_sta, *psta = NULL;
1138 struct recv_reorder_ctrl *preorder_ctrl;
1139 struct sta_priv *pstapriv = &padapter->stapriv;
1140 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1142 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
1144 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
1146 if (psta) { /* update ptarget_sta */
1148 DBG_871X("%s\n", __func__);
1150 psta->aid = pnetwork->join_res;
1152 update_sta_info(padapter, psta);
1154 /* update station supportRate */
1155 psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates);
1156 memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen);
1157 rtw_hal_update_sta_rate_mask(padapter, psta);
1159 psta->wireless_mode = pmlmeext->cur_wireless_mode;
1160 psta->raid = networktype_to_raid_ex(padapter, psta);
1163 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
1165 /* security related */
1166 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1167 padapter->securitypriv.binstallGrpkey = false;
1168 padapter->securitypriv.busetkipkey = false;
1169 padapter->securitypriv.bgrpkey_handshake = false;
1171 psta->ieee8021x_blocked = true;
1172 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1174 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1176 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1177 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1179 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1180 psta->dot11txpn.val = psta->dot11txpn.val + 1;
1181 memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48));
1182 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1185 /* Commented by Albert 2012/07/21 */
1186 /* When doing the WPS, the wps_ie_len won't equal to 0 */
1187 /* And the Wi-Fi driver shouldn't allow the data packet to be transmitted. */
1188 if (padapter->securitypriv.wps_ie_len != 0) {
1189 psta->ieee8021x_blocked = true;
1190 padapter->securitypriv.wps_ie_len = 0;
1193 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1194 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1195 /* todo: check if AP can send A-MPDU packets */
1196 for (i = 0; i < 16 ; i++) {
1197 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1198 preorder_ctrl = &psta->recvreorder_ctrl[i];
1199 preorder_ctrl->enable = false;
1200 preorder_ctrl->indicate_seq = 0xffff;
1202 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1203 preorder_ctrl->indicate_seq);
1205 preorder_ctrl->wend_b = 0xffff;
1206 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1209 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1211 for (i = 0; i < 16 ; i++) {
1212 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1213 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1214 preorder_ctrl->enable = false;
1215 preorder_ctrl->indicate_seq = 0xffff;
1217 DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__,
1218 preorder_ctrl->indicate_seq);
1220 preorder_ctrl->wend_b = 0xffff;
1221 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */
1230 /* pnetwork : returns from rtw_joinbss_event_callback */
1231 /* ptarget_wlan: found from scanned_queue */
1232 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1234 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1235 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1237 DBG_871X("%s\n", __func__);
1239 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n"
1240 , get_fwstate(pmlmepriv), MAC_ARG(pnetwork->network.MacAddress)));
1242 /* why not use ptarget_wlan?? */
1243 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1244 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1245 cur_network->network.IELength = ptarget_wlan->network.IELength;
1246 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1248 cur_network->aid = pnetwork->join_res;
1250 rtw_set_signal_stat_timer(&padapter->recvpriv);
1252 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1253 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1254 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1255 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1256 #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1
1257 DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u"
1259 , FUNC_ADPT_ARG(padapter)
1260 , padapter->recvpriv.signal_strength
1261 , padapter->recvpriv.rssi
1262 , padapter->recvpriv.signal_qual
1266 rtw_set_signal_stat_timer(&padapter->recvpriv);
1268 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1269 switch (pnetwork->network.InfrastructureMode) {
1270 case Ndis802_11Infrastructure:
1272 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1273 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1275 pmlmepriv->fw_state = WIFI_STATION_STATE;
1278 case Ndis802_11IBSS:
1279 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1282 pmlmepriv->fw_state = WIFI_NULL_STATE;
1283 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1287 rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fix_ie),
1288 (cur_network->network.IELength));
1290 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig);
1293 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1294 /* pnetwork : returns from rtw_joinbss_event_callback */
1295 /* ptarget_wlan: found from scanned_queue */
1296 /* if join_res > 0, for (fw_state ==WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1297 /* if join_res > 0, for (fw_state ==WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1298 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1301 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1305 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1306 struct sta_priv *pstapriv = &adapter->stapriv;
1307 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1308 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1309 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1310 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1311 unsigned int the_same_macaddr = false;
1313 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res =%d\n", pnetwork->join_res));
1315 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1317 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1318 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1320 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1322 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1324 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1325 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1326 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1330 spin_lock_bh(&pmlmepriv->lock);
1332 pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0;
1333 pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0;
1335 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n"));
1337 if (pnetwork->join_res > 0) {
1338 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1340 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1341 /* s1. find ptarget_wlan */
1342 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1343 if (the_same_macaddr) {
1344 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1346 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1348 pcur_wlan->fixed = false;
1350 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1352 rtw_free_stainfo(adapter, pcur_sta);
1354 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1355 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1357 ptarget_wlan->fixed = true;
1362 ptarget_wlan = _rtw_find_same_network(&pmlmepriv->scanned_queue, pnetwork);
1363 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1365 ptarget_wlan->fixed = true;
1369 /* s2. update cur_network */
1371 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1373 DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n");
1374 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1375 goto ignore_joinbss_callback;
1378 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1379 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1380 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1382 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1383 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1384 goto ignore_joinbss_callback;
1388 /* s4. indicate connect */
1389 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1390 pmlmepriv->cur_network_scanned = ptarget_wlan;
1391 rtw_indicate_connect(adapter);
1393 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1394 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1397 /* s5. Cancel assoc_timer */
1398 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1400 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n"));
1403 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1404 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1405 goto ignore_joinbss_callback;
1408 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1410 } else if (pnetwork->join_res == -4) {
1411 rtw_reset_securitypriv(adapter);
1412 _set_timer(&pmlmepriv->assoc_timer, 1);
1414 /* rtw_free_assoc_resources(adapter, 1); */
1416 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1417 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state =%x\n", get_fwstate(pmlmepriv)));
1418 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1421 } else {/* if join_res < 0 (join fails), then try again */
1426 res = rtw_select_and_join_from_scanned_queue(pmlmepriv);
1427 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res));
1430 if (res == _SUCCESS) {
1431 /* extend time of assoc_timer */
1432 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
1434 } else if (res == 2) {/* there is no need to wait for join */
1435 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1436 rtw_indicate_connect(adapter);
1438 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n"));
1441 _set_timer(&pmlmepriv->assoc_timer, 1);
1442 /* rtw_free_assoc_resources(adapter, 1); */
1443 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1451 ignore_joinbss_callback:
1453 spin_unlock_bh(&pmlmepriv->lock);
1456 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1458 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1460 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1462 rtw_os_xmit_schedule(adapter);
1465 /* FOR STA, AP , AD-HOC mode */
1466 void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus)
1468 u16 media_status_rpt;
1473 media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */
1474 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt);
1477 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1479 struct sta_info *psta;
1480 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1481 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1482 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1483 struct wlan_network *ptarget_wlan = NULL;
1485 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1488 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1489 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1491 u8 *passoc_req = NULL;
1492 u32 assoc_req_len = 0;
1494 rtw_sta_media_status_rpt(adapter, psta, 1);
1496 #ifndef CONFIG_AUTO_AP_MODE
1498 ap_sta_info_defer_update(adapter, psta);
1500 /* report to upper layer */
1501 DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n");
1502 spin_lock_bh(&psta->lock);
1503 if (psta->passoc_req && psta->assoc_req_len > 0) {
1504 passoc_req = rtw_zmalloc(psta->assoc_req_len);
1506 assoc_req_len = psta->assoc_req_len;
1507 memcpy(passoc_req, psta->passoc_req, assoc_req_len);
1509 kfree(psta->passoc_req);
1510 psta->passoc_req = NULL;
1511 psta->assoc_req_len = 0;
1514 spin_unlock_bh(&psta->lock);
1516 if (passoc_req && assoc_req_len > 0) {
1517 rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len);
1521 #endif /* CONFIG_AUTO_AP_MODE */
1526 /* for AD-HOC mode */
1527 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1529 /* the sta have been in sta_info_queue => do nothing */
1531 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1533 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1536 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1538 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1542 /* to do : init sta_info variable */
1543 psta->qos_option = 0;
1544 psta->mac_id = (uint)pstassoc->cam_id;
1545 /* psta->aid = (uint)pstassoc->cam_id; */
1546 DBG_871X("%s\n", __func__);
1547 /* for ad-hoc mode */
1548 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1550 rtw_sta_media_status_rpt(adapter, psta, 1);
1552 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1553 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1555 psta->ieee8021x_blocked = false;
1557 spin_lock_bh(&pmlmepriv->lock);
1559 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
1560 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
1561 if (adapter->stapriv.asoc_sta_count == 2) {
1562 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1563 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1564 pmlmepriv->cur_network_scanned = ptarget_wlan;
1566 ptarget_wlan->fixed = true;
1567 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1568 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1569 rtw_indicate_connect(adapter);
1573 spin_unlock_bh(&pmlmepriv->lock);
1575 mlmeext_sta_add_event_callback(adapter, psta);
1578 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1581 struct sta_info *psta;
1582 struct wlan_network *pwlan = NULL;
1583 struct wlan_bssid_ex *pdev_network = NULL;
1585 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1586 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1587 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1588 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1589 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1591 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1593 mac_id = psta->mac_id;
1595 mac_id = pstadel->mac_id;
1597 DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(pstadel->macaddr));
1601 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1602 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1603 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1606 /* if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) */
1607 if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)
1610 mlmeext_sta_del_event_callback(adapter);
1612 spin_lock_bh(&pmlmepriv->lock);
1614 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1615 u16 reason = *((unsigned short *)(pstadel->rsvd));
1617 struct wlan_network *roam_target = NULL;
1619 if (adapter->registrypriv.wifi_spec == 1) {
1621 } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) {
1623 } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1625 roam_target = pmlmepriv->roam_network;
1629 if (rtw_to_roam(adapter) > 0)
1630 rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */
1631 else if (rtw_to_roam(adapter) == 0)
1632 rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times);
1634 rtw_set_to_roam(adapter, 0);
1637 rtw_free_uc_swdec_pending_queue(adapter);
1639 rtw_free_assoc_resources(adapter, 1);
1640 rtw_indicate_disconnect(adapter);
1642 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1643 /* remove the network entry in scanned_queue */
1644 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1646 pwlan->fixed = false;
1647 rtw_free_network_nolock(adapter, pwlan);
1649 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1651 _rtw_roaming(adapter, roam_target);
1654 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1655 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1657 rtw_free_stainfo(adapter, psta);
1659 if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1660 /* rtw_indicate_disconnect(adapter);removed@20091105 */
1661 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1662 /* free old ibss network */
1663 /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */
1664 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1666 pwlan->fixed = false;
1667 rtw_free_network_nolock(adapter, pwlan);
1669 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
1670 /* re-create ibss */
1671 pdev_network = &(adapter->registrypriv.dev_network);
1672 pibss = adapter->registrypriv.dev_network.MacAddress;
1674 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1676 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1678 rtw_update_registrypriv_dev_network(adapter);
1680 rtw_generate_random_ibss(pibss);
1682 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1683 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1684 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1687 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1688 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1693 spin_unlock_bh(&pmlmepriv->lock);
1696 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1698 struct reportpwrstate_parm *preportpwrstate;
1700 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1701 preportpwrstate = (struct reportpwrstate_parm *)pbuf;
1702 preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80);
1703 cpwm_int_hdl(padapter, preportpwrstate);
1706 void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf)
1708 WMMOnAssocRsp(padapter);
1712 * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss
1713 * @adapter: pointer to struct adapter structure
1715 void _rtw_join_timeout_handler(struct timer_list *t)
1717 struct adapter *adapter = from_timer(adapter, t,
1718 mlmepriv.assoc_timer);
1719 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1721 DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv));
1723 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1726 spin_lock_bh(&pmlmepriv->lock);
1728 if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */
1730 rtw_dec_to_roam(adapter);
1731 if (rtw_to_roam(adapter) != 0) { /* try another */
1733 DBG_871X("%s try another roaming\n", __func__);
1734 do_join_r = rtw_do_join(adapter);
1735 if (_SUCCESS != do_join_r) {
1736 DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r);
1741 DBG_871X("%s We've try roaming but fail\n", __func__);
1742 rtw_indicate_disconnect(adapter);
1748 rtw_indicate_disconnect(adapter);
1749 free_scanqueue(pmlmepriv);/* */
1751 /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */
1752 rtw_cfg80211_indicate_disconnect(adapter);
1756 spin_unlock_bh(&pmlmepriv->lock);
1760 * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey
1761 * @adapter: pointer to struct adapter structure
1763 void rtw_scan_timeout_handler(struct timer_list *t)
1765 struct adapter *adapter = from_timer(adapter, t,
1766 mlmepriv.scan_to_timer);
1767 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1769 DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1771 spin_lock_bh(&pmlmepriv->lock);
1773 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1775 spin_unlock_bh(&pmlmepriv->lock);
1777 rtw_indicate_scan_done(adapter, true);
1780 void rtw_mlme_reset_auto_scan_int(struct adapter *adapter)
1782 struct mlme_priv *mlme = &adapter->mlmepriv;
1783 struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
1784 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1786 if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */
1787 mlme->auto_scan_int_ms = 0;
1788 else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true)
1789 mlme->auto_scan_int_ms = 60*1000;
1790 else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) {
1791 if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED))
1792 mlme->auto_scan_int_ms = mlme->roam_scan_int_ms;
1794 mlme->auto_scan_int_ms = 0; /* disabled */
1797 static void rtw_auto_scan_handler(struct adapter *padapter)
1799 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1801 rtw_mlme_reset_auto_scan_int(padapter);
1803 if (pmlmepriv->auto_scan_int_ms != 0
1804 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) {
1806 if (!padapter->registrypriv.wifi_spec) {
1807 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) {
1808 DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter));
1812 if (pmlmepriv->LinkDetectInfo.bBusyTraffic) {
1813 DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter));
1818 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter));
1820 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1827 void rtw_dynamic_check_timer_handler(struct adapter *adapter)
1832 if (!adapter->hw_init_completed)
1835 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1838 if (adapter->net_closed)
1841 if (is_primary_adapter(adapter))
1842 DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", hal_btcoex_IsBtDisabled(adapter), hal_btcoex_IsBtControlLps(adapter));
1844 if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode)
1845 && !(hal_btcoex_IsBtControlLps(adapter))
1849 linked_status_chk(adapter);
1851 bEnterPS = traffic_status_watchdog(adapter, 1);
1853 /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */
1854 rtw_hal_dm_watchdog_in_lps(adapter);
1856 /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */
1860 if (is_primary_adapter(adapter))
1861 rtw_dynamic_chk_wk_cmd(adapter);
1864 /* auto site survey */
1865 rtw_auto_scan_handler(adapter);
1868 inline bool rtw_is_scan_deny(struct adapter *adapter)
1870 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1871 return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false;
1874 inline void rtw_clear_scan_deny(struct adapter *adapter)
1876 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1877 atomic_set(&mlmepriv->set_scan_deny, 0);
1879 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1882 void rtw_set_scan_deny(struct adapter *adapter, u32 ms)
1884 struct mlme_priv *mlmepriv = &adapter->mlmepriv;
1886 DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter));
1887 atomic_set(&mlmepriv->set_scan_deny, 1);
1888 _set_timer(&mlmepriv->set_scan_deny_timer, ms);
1892 * Select a new roaming candidate from the original @param candidate and @param competitor
1893 * @return true: candidate is updated
1894 * @return false: candidate is not updated
1896 static int rtw_check_roaming_candidate(struct mlme_priv *mlme
1897 , struct wlan_network **candidate, struct wlan_network *competitor)
1899 int updated = false;
1900 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
1902 if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false)
1905 if (rtw_is_desired_network(adapter, competitor) == false)
1908 DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n",
1909 (competitor == mlme->cur_network_scanned)?"*":" ",
1910 competitor->network.Ssid.Ssid,
1911 MAC_ARG(competitor->network.MacAddress),
1912 competitor->network.Configuration.DSConfig,
1913 (int)competitor->network.Rssi,
1914 jiffies_to_msecs(jiffies - competitor->last_scanned)
1917 /* got specific addr to roam */
1918 if (!is_zero_mac_addr(mlme->roam_tgt_addr)) {
1919 if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN))
1924 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms)
1927 if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th)
1930 if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi)
1934 *candidate = competitor;
1941 int rtw_select_roaming_candidate(struct mlme_priv *mlme)
1944 struct list_head *phead;
1945 struct __queue *queue = &(mlme->scanned_queue);
1946 struct wlan_network *pnetwork = NULL;
1947 struct wlan_network *candidate = NULL;
1949 if (!mlme->cur_network_scanned) {
1954 spin_lock_bh(&(mlme->scanned_queue.lock));
1955 phead = get_list_head(queue);
1957 mlme->pscanned = get_next(phead);
1959 while (phead != mlme->pscanned) {
1961 pnetwork = LIST_CONTAINOR(mlme->pscanned, struct wlan_network, list);
1963 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
1968 mlme->pscanned = get_next(mlme->pscanned);
1970 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
1971 , pnetwork->network.Ssid.Ssid
1972 , MAC_ARG(pnetwork->network.MacAddress)
1973 , pnetwork->network.Configuration.DSConfig
1974 , (int)pnetwork->network.Rssi);
1976 rtw_check_roaming_candidate(mlme, &candidate, pnetwork);
1981 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
1985 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
1986 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
1987 candidate->network.Configuration.DSConfig);
1989 mlme->roam_network = candidate;
1991 if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN))
1992 eth_zero_addr(mlme->roam_tgt_addr);
1997 spin_unlock_bh(&(mlme->scanned_queue.lock));
2003 * Select a new join candidate from the original @param candidate and @param competitor
2004 * @return true: candidate is updated
2005 * @return false: candidate is not updated
2007 static int rtw_check_join_candidate(struct mlme_priv *mlme
2008 , struct wlan_network **candidate, struct wlan_network *competitor)
2010 int updated = false;
2011 struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv);
2013 /* check bssid, if needed */
2014 if (mlme->assoc_by_bssid) {
2015 if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN))
2019 /* check ssid, if needed */
2020 if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) {
2021 if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength
2022 || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength)
2027 if (rtw_is_desired_network(adapter, competitor) == false)
2030 if (rtw_to_roam(adapter) > 0) {
2031 if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms
2032 || is_same_ess(&competitor->network, &mlme->cur_network.network) == false
2037 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
2038 *candidate = competitor;
2043 DBG_871X("[by_bssid:%u][assoc_ssid:%s]"
2045 "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n",
2046 mlme->assoc_by_bssid,
2047 mlme->assoc_ssid.Ssid,
2048 rtw_to_roam(adapter),
2049 (*candidate)->network.Ssid.Ssid,
2050 MAC_ARG((*candidate)->network.MacAddress),
2051 (*candidate)->network.Configuration.DSConfig,
2052 (int)(*candidate)->network.Rssi
2062 The caller of the sub-routine will be in critical section...
2063 The caller must hold the following spinlock
2067 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
2070 struct list_head *phead;
2071 struct adapter *adapter;
2072 struct __queue *queue = &(pmlmepriv->scanned_queue);
2073 struct wlan_network *pnetwork = NULL;
2074 struct wlan_network *candidate = NULL;
2076 adapter = (struct adapter *)pmlmepriv->nic_hdl;
2078 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
2080 if (pmlmepriv->roam_network) {
2081 candidate = pmlmepriv->roam_network;
2082 pmlmepriv->roam_network = NULL;
2083 goto candidate_exist;
2086 phead = get_list_head(queue);
2087 pmlmepriv->pscanned = get_next(phead);
2089 while (phead != pmlmepriv->pscanned) {
2091 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list);
2093 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork == NULL)\n", __func__));
2098 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
2100 DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n"
2101 , pnetwork->network.Ssid.Ssid
2102 , MAC_ARG(pnetwork->network.MacAddress)
2103 , pnetwork->network.Configuration.DSConfig
2104 , (int)pnetwork->network.Rssi);
2106 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
2111 DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__);
2112 #ifdef CONFIG_WOWLAN
2113 _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING);
2118 DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__,
2119 candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress),
2120 candidate->network.Configuration.DSConfig);
2121 goto candidate_exist;
2126 /* check for situation of _FW_LINKED */
2127 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
2128 DBG_871X("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
2130 rtw_disassoc_cmd(adapter, 0, true);
2131 rtw_indicate_disconnect(adapter);
2132 rtw_free_assoc_resources(adapter, 0);
2135 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
2136 ret = rtw_joinbss_cmd(adapter, candidate);
2139 spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
2143 sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
2145 struct cmd_obj *pcmd;
2146 struct setauth_parm *psetauthparm;
2147 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2148 sint res = _SUCCESS;
2150 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2152 res = _FAIL; /* try again */
2156 psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm));
2157 if (!psetauthparm) {
2163 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
2165 pcmd->cmdcode = _SetAuth_CMD_;
2166 pcmd->parmbuf = (unsigned char *)psetauthparm;
2167 pcmd->cmdsz = (sizeof(struct setauth_parm));
2171 INIT_LIST_HEAD(&pcmd->list);
2173 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode =%x\n", psecuritypriv->dot11AuthAlgrthm));
2175 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2181 sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue)
2184 struct cmd_obj *pcmd;
2185 struct setkey_parm *psetkeyparm;
2186 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
2187 sint res = _SUCCESS;
2189 psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm));
2195 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
2196 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
2197 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(unsigned char)psecuritypriv->dot118021XGrpPrivacy =%d\n", psetkeyparm->algorithm));
2199 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
2200 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =(u8)psecuritypriv->dot11PrivacyAlgrthm =%d\n", psetkeyparm->algorithm));
2203 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
2204 psetkeyparm->set_tx = set_tx;
2205 if (is_wep_enc(psetkeyparm->algorithm))
2206 adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid);
2208 DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.key_mask);
2209 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm =%d psetkeyparm->keyid =(u8)keyid =%d\n", psetkeyparm->algorithm, keyid));
2211 switch (psetkeyparm->algorithm) {
2215 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2219 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
2223 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2224 psetkeyparm->grpkey = 1;
2228 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
2229 psetkeyparm->grpkey = 1;
2232 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));
2239 pcmd = rtw_zmalloc(sizeof(struct cmd_obj));
2242 res = _FAIL; /* try again */
2246 pcmd->cmdcode = _SetKey_CMD_;
2247 pcmd->parmbuf = (u8 *)psetkeyparm;
2248 pcmd->cmdsz = (sizeof(struct setkey_parm));
2252 INIT_LIST_HEAD(&pcmd->list);
2254 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
2256 setkey_hdl(adapter, (u8 *)psetkeyparm);
2263 /* adjust IEs for rtw_joinbss_cmd in WMM */
2264 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
2266 unsigned int ielength = 0;
2269 i = 12; /* after the fixed IE */
2270 while (i < in_len) {
2271 ielength = initial_out_len;
2273 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 */
2274 for (j = i; j < i + 9; j++) {
2275 out_ie[ielength] = in_ie[j];
2278 out_ie[initial_out_len + 1] = 0x07;
2279 out_ie[initial_out_len + 6] = 0x00;
2280 out_ie[initial_out_len + 8] = 0x00;
2285 i += (in_ie[i+1]+2); /* to the next IE element */
2293 /* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */
2294 /* Added by Annie, 2006-05-07. */
2296 /* Search by BSSID, */
2298 /* -1 :if there is no pre-auth key in the table */
2299 /* >= 0 :if there is pre-auth key, and return the entry id */
2303 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
2305 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2309 if ((psecuritypriv->PMKIDList[i].bUsed) &&
2310 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
2317 } while (i < NUM_PMKID_CACHE);
2319 if (i == NUM_PMKID_CACHE) {
2320 i = -1;/* Could not find. */
2322 /* There is one Pre-Authentication Key for the specific BSSID. */
2330 /* Check the RSN IE length */
2331 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
2332 /* 0-11th element in the array are the fixed IE */
2333 /* 12th element in the array is the IE */
2334 /* 13th element in the array is the IE length */
2337 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
2339 struct security_priv *psecuritypriv = &Adapter->securitypriv;
2342 /* The RSN IE didn't include the PMK ID, append the PMK information */
2345 ie[ie_len] = 0; /* PMKID count = 0x0100 */
2347 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
2350 ie[13] += 18;/* PMKID length = 2+16 */
2356 sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
2362 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
2363 struct security_priv *psecuritypriv = &adapter->securitypriv;
2364 uint ndisauthmode = psecuritypriv->ndisauthtype;
2366 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
2367 ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode));
2369 /* copy fixed ie only */
2370 memcpy(out_ie, in_ie, 12);
2372 if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK))
2373 authmode = _WPA_IE_ID_;
2374 if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
2375 authmode = _WPA2_IE_ID_;
2377 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
2378 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
2380 ielength += psecuritypriv->wps_ie_len;
2381 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
2382 /* copy RSN or SSN */
2383 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
2384 /* debug for CONFIG_IEEE80211W
2387 printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2);
2388 for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++)
2389 printk(" %02x ", psecuritypriv->supplicant_ie[jj]);
2392 ielength += psecuritypriv->supplicant_ie[1]+2;
2393 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
2396 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
2400 if (authmode == _WPA2_IE_ID_)
2401 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
2406 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
2408 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2409 struct eeprom_priv *peepriv = &adapter->eeprompriv;
2410 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2411 u8 *myhwaddr = myid(peepriv);
2413 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
2415 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
2417 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_conf);
2418 pdev_network->Configuration.BeaconPeriod = 100;
2419 pdev_network->Configuration.FHConfig.Length = 0;
2420 pdev_network->Configuration.FHConfig.HopPattern = 0;
2421 pdev_network->Configuration.FHConfig.HopSet = 0;
2422 pdev_network->Configuration.FHConfig.DwellTime = 0;
2425 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
2428 struct registry_priv *pregistrypriv = &adapter->registrypriv;
2429 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
2430 struct security_priv *psecuritypriv = &adapter->securitypriv;
2431 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
2432 /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */
2434 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0) ; /* adhoc no 802.1x */
2436 pdev_network->Rssi = 0;
2438 switch (pregistrypriv->wireless_mode) {
2440 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
2444 case WIRELESS_11_24N:
2445 case WIRELESS_11G_24N:
2446 case WIRELESS_11BG_24N:
2447 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2450 case WIRELESS_11A_5N:
2451 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2453 case WIRELESS_11ABGN:
2454 if (pregistrypriv->channel > 14)
2455 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
2457 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
2464 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
2465 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel =%d, pdev_network->Configuration.DSConfig = 0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig));
2467 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
2468 pdev_network->Configuration.ATIMWindow = (0);
2470 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
2472 /* 1. Supported rates */
2475 /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_ie */
2476 sz = rtw_generate_ie(pregistrypriv);
2478 pdev_network->IELength = sz;
2480 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2482 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
2483 /* pdev_network->IELength = cpu_to_le32(sz); */
2486 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2490 /* the function is at passive_level */
2491 void rtw_joinbss_reset(struct adapter *padapter)
2494 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2496 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2498 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2500 pmlmepriv->num_FortyMHzIntolerant = 0;
2502 pmlmepriv->num_sta_no_ht = 0;
2504 phtpriv->ampdu_enable = false;/* reset to disabled */
2506 /* TH = 1 => means that invalidate usb rx aggregation */
2507 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2508 if (phtpriv->ht_option) {
2509 if (padapter->registrypriv.wifi_spec == 1)
2513 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2516 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2520 void rtw_ht_use_default_setting(struct adapter *padapter)
2522 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2523 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2524 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2525 bool bHwLDPCSupport = false, bHwSTBCSupport = false;
2526 bool bHwSupportBeamformer = false, bHwSupportBeamformee = false;
2528 if (pregistrypriv->wifi_spec)
2529 phtpriv->bss_coexist = 1;
2531 phtpriv->bss_coexist = 0;
2533 phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false;
2534 phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false;
2537 rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport);
2538 CLEAR_FLAGS(phtpriv->ldpc_cap);
2539 if (bHwLDPCSupport) {
2540 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4))
2541 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX);
2543 rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport);
2544 if (bHwLDPCSupport) {
2545 if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5))
2546 SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX);
2548 if (phtpriv->ldpc_cap)
2549 DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap);
2552 rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport);
2553 CLEAR_FLAGS(phtpriv->stbc_cap);
2554 if (bHwSTBCSupport) {
2555 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5))
2556 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX);
2558 rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport);
2559 if (bHwSTBCSupport) {
2560 if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4))
2561 SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX);
2563 if (phtpriv->stbc_cap)
2564 DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap);
2566 /* Beamforming setting */
2567 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer);
2568 rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee);
2569 CLEAR_FLAGS(phtpriv->beamform_cap);
2570 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) {
2571 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE);
2572 DBG_871X("[HT] Support Beamformer\n");
2574 if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) {
2575 SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE);
2576 DBG_871X("[HT] Support Beamformee\n");
2580 void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2582 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2586 if (padapter->mlmepriv.qospriv.qos_option == 0) {
2587 out_len = *pout_len;
2588 pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2589 _WMM_IE_Length_, WMM_IE, pout_len);
2591 padapter->mlmepriv.qospriv.qos_option = 1;
2595 /* the function is >= passive_level */
2596 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len, u8 channel)
2599 enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor;
2600 unsigned char *p, *pframe;
2601 struct rtw_ieee80211_ht_cap ht_capie;
2602 u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0;
2603 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2604 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2605 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2606 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2608 phtpriv->ht_option = false;
2610 out_len = *pout_len;
2612 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2614 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40);
2616 if (phtpriv->sgi_20m)
2617 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20);
2621 /* TDLS: TODO 20/40 issue */
2622 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
2623 operation_bw = padapter->mlmeextpriv.cur_bwmode;
2624 if (operation_bw > CHANNEL_WIDTH_40)
2625 operation_bw = CHANNEL_WIDTH_40;
2627 /* TDLS: TODO 40? */
2628 operation_bw = CHANNEL_WIDTH_40;
2630 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2631 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2632 struct HT_info_element *pht_info = (struct HT_info_element *)(p+2);
2633 if (pht_info->infos[0] & BIT(2)) {
2634 switch (pht_info->infos[0] & 0x3) {
2637 operation_bw = CHANNEL_WIDTH_40;
2640 operation_bw = CHANNEL_WIDTH_20;
2644 operation_bw = CHANNEL_WIDTH_20;
2649 /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */
2651 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2654 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2658 if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) {
2659 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH);
2660 if (phtpriv->sgi_40m)
2661 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40);
2664 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX))
2665 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC);
2667 /* todo: disable SM power save mode */
2668 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS);
2670 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) {
2671 if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */
2672 (pregistrypriv->wifi_spec == 1)) {
2674 DBG_871X("declare supporting RX STBC\n");
2678 /* fill default supported_mcs_set */
2679 memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16);
2681 /* update default supported_mcs_set */
2682 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2687 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */
2689 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R);
2696 ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */
2698 #ifdef CONFIG_DISABLE_MCS13TO15
2699 if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1))
2700 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF);
2702 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2703 #else /* CONFIG_DISABLE_MCS13TO15 */
2704 set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R);
2705 #endif /* CONFIG_DISABLE_MCS13TO15 */
2710 u32 rx_packet_offset, max_recvbuf_sz;
2711 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2712 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2715 if (padapter->driver_rx_ampdu_factor != 0xFF)
2716 max_rx_ampdu_factor =
2717 (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor;
2719 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR,
2720 &max_rx_ampdu_factor);
2722 /* rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); */
2723 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2725 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2726 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2728 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2730 pframe = rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2731 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2733 phtpriv->ht_option = true;
2736 p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len);
2737 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2738 out_len = *pout_len;
2739 pframe = rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2743 return phtpriv->ht_option;
2747 /* the function is > passive_level (in critical_section) */
2748 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len, u8 channel)
2750 u8 *p, max_ampdu_sz;
2752 /* struct sta_info *bmc_sta, *psta; */
2753 struct rtw_ieee80211_ht_cap *pht_capie;
2754 struct ieee80211_ht_addt_info *pht_addtinfo;
2755 /* struct recv_reorder_ctrl *preorder_ctrl; */
2756 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2757 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2758 /* struct recv_priv *precvpriv = &padapter->recvpriv; */
2759 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2760 /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */
2761 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2762 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2763 u8 cbw40_enable = 0;
2765 if (!phtpriv->ht_option)
2768 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2771 DBG_871X("+rtw_update_ht_cap()\n");
2773 /* maybe needs check if ap supports rx ampdu. */
2774 if (!(phtpriv->ampdu_enable) && pregistrypriv->ampdu_enable == 1) {
2775 if (pregistrypriv->wifi_spec == 1) {
2776 /* remove this part because testbed AP should disable RX AMPDU */
2777 /* phtpriv->ampdu_enable = false; */
2778 phtpriv->ampdu_enable = true;
2780 phtpriv->ampdu_enable = true;
2782 } else if (pregistrypriv->ampdu_enable == 2) {
2783 /* remove this part because testbed AP should disable RX AMPDU */
2784 /* phtpriv->ampdu_enable = true; */
2787 /* check Max Rx A-MPDU Size */
2789 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));
2791 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2792 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2793 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2795 /* DBG_871X("rtw_update_ht_cap(): max_ampdu_sz =%d\n", max_ampdu_sz); */
2796 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2801 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));
2803 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2);
2808 if ((pregistrypriv->bw_mode & 0xf0) > 0)
2811 if ((pregistrypriv->bw_mode & 0x0f) > 0)
2815 /* update cur_bwmode & cur_ch_offset */
2816 if ((cbw40_enable) &&
2817 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2818 BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2822 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2824 /* update the MCS set */
2825 for (i = 0; i < 16; i++)
2826 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
2828 /* update the MCS rates */
2832 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
2836 #ifdef CONFIG_DISABLE_MCS13TO15
2837 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
2838 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
2840 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2841 #else /* CONFIG_DISABLE_MCS13TO15 */
2842 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
2843 #endif /* CONFIG_DISABLE_MCS13TO15 */
2846 /* switch to the 40M Hz mode according to the AP */
2847 /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */
2848 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2849 case EXTCHNL_OFFSET_UPPER:
2850 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2853 case EXTCHNL_OFFSET_LOWER:
2854 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2858 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2864 /* Config SM Power Save setting */
2867 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) &
2869 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2870 DBG_871X("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2873 /* Config current HT Protection mode. */
2875 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2878 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2882 struct sta_info *psta = NULL;
2883 struct ht_priv *phtpriv;
2884 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2885 s32 bmcst = IS_MCAST(pattrib->ra);
2887 /* if (bmcst || (padapter->mlmepriv.LinkDetectInfo.bTxBusyTraffic == false)) */
2888 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2891 priority = pattrib->priority;
2893 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2894 if (pattrib->psta != psta) {
2895 DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta);
2900 DBG_871X("%s, psta ==NUL\n", __func__);
2904 if (!(psta->state & _FW_LINKED)) {
2905 DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state);
2909 phtpriv = &psta->htpriv;
2911 if (phtpriv->ht_option && phtpriv->ampdu_enable) {
2912 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2913 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2916 DBG_871X("rtw_issue_addbareq_cmd, p =%d\n", priority);
2917 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2918 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2924 void rtw_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len)
2926 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2927 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2928 u8 cap_content[8] = {0};
2931 if (phtpriv->bss_coexist)
2932 SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1);
2934 pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len);
2937 inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam)
2940 adapter->mlmepriv.to_join = false;
2941 adapter->mlmepriv.to_roam = to_roam;
2944 inline u8 rtw_dec_to_roam(struct adapter *adapter)
2946 adapter->mlmepriv.to_roam--;
2947 return adapter->mlmepriv.to_roam;
2950 inline u8 rtw_to_roam(struct adapter *adapter)
2952 return adapter->mlmepriv.to_roam;
2955 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2957 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2959 spin_lock_bh(&pmlmepriv->lock);
2960 _rtw_roaming(padapter, tgt_network);
2961 spin_unlock_bh(&pmlmepriv->lock);
2963 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2965 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2966 struct wlan_network *cur_network = &pmlmepriv->cur_network;
2969 if (0 < rtw_to_roam(padapter)) {
2970 DBG_871X("roaming from %s("MAC_FMT"), length:%d\n",
2971 cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress),
2972 cur_network->network.Ssid.SsidLength);
2973 memcpy(&pmlmepriv->assoc_ssid, &cur_network->network.Ssid, sizeof(struct ndis_802_11_ssid));
2975 pmlmepriv->assoc_by_bssid = false;
2978 do_join_r = rtw_do_join(padapter);
2979 if (_SUCCESS == do_join_r) {
2982 DBG_871X("roaming do_join return %d\n", do_join_r);
2983 rtw_dec_to_roam(padapter);
2985 if (rtw_to_roam(padapter) > 0) {
2988 DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2989 rtw_indicate_disconnect(padapter);
2998 sint rtw_linked_check(struct adapter *padapter)
3000 if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) ||
3001 (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) {
3002 if (padapter->stapriv.asoc_sta_count > 2)
3004 } else { /* Station mode */
3005 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true)