1 /******************************************************************************
3 * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
19 ******************************************************************************/
23 #include <osdep_service.h>
24 #include <drv_types.h>
25 #include <recv_osdep.h>
26 #include <xmit_osdep.h>
28 #include <mlme_osdep.h>
31 #include <wlan_bssdef.h>
32 #include <rtw_ioctl_set.h>
33 #include <usb_osintf.h>
34 #include <linux/vmalloc.h>
36 extern unsigned char MCS_rate_2R[16];
37 extern unsigned char MCS_rate_1R[16];
39 int _rtw_init_mlme_priv(struct adapter *padapter)
43 struct wlan_network *pnetwork;
44 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
47 /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */
49 pmlmepriv->nic_hdl = (u8 *)padapter;
51 pmlmepriv->pscanned = NULL;
52 pmlmepriv->fw_state = 0;
53 pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown;
54 pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */
56 spin_lock_init(&(pmlmepriv->lock));
57 _rtw_init_queue(&(pmlmepriv->free_bss_pool));
58 _rtw_init_queue(&(pmlmepriv->scanned_queue));
60 set_scanned_network_val(pmlmepriv, 0);
62 _rtw_memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
64 pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
70 pmlmepriv->free_bss_buf = pbuf;
72 pnetwork = (struct wlan_network *)pbuf;
74 for (i = 0; i < MAX_BSS_CNT; i++) {
75 _rtw_init_listhead(&(pnetwork->list));
77 rtw_list_insert_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
82 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
84 rtw_clear_scan_deny(padapter);
86 rtw_init_mlme_timer(padapter);
92 #if defined(CONFIG_88EU_AP_MODE)
93 static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen)
100 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
102 rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len);
103 rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len);
104 rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len);
105 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len);
106 rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len);
107 rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len);
109 rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
110 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
111 rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
112 rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
113 rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
116 void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
121 void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
123 rtw_free_mlme_priv_ie_data(pmlmepriv);
126 if (pmlmepriv->free_bss_buf)
127 vfree(pmlmepriv->free_bss_buf);
131 int _rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork)
133 if (pnetwork == NULL)
136 spin_lock_bh(&queue->lock);
138 rtw_list_insert_tail(&pnetwork->list, &queue->queue);
140 spin_unlock_bh(&queue->lock);
146 struct wlan_network *_rtw_dequeue_network(struct __queue *queue)
148 struct wlan_network *pnetwork;
150 spin_lock_bh(&queue->lock);
152 if (_rtw_queue_empty(queue)) {
155 pnetwork = container_of((&queue->queue)->next, struct wlan_network, list);
157 rtw_list_delete(&(pnetwork->list));
160 spin_unlock_bh(&queue->lock);
165 struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
167 struct wlan_network *pnetwork;
168 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
169 struct list_head *plist = NULL;
171 spin_lock_bh(&free_queue->lock);
173 if (_rtw_queue_empty(free_queue) == true) {
177 plist = free_queue->queue.next;
179 pnetwork = container_of(plist , struct wlan_network, list);
181 rtw_list_delete(&pnetwork->list);
183 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist));
184 pnetwork->network_type = 0;
185 pnetwork->fixed = false;
186 pnetwork->last_scanned = jiffies;
188 pnetwork->join_res = 0;
190 pmlmepriv->num_of_scanned++;
193 spin_unlock_bh(&free_queue->lock);
198 void _rtw_free_network(struct mlme_priv *pmlmepriv , struct wlan_network *pnetwork, u8 isfreeall)
200 u32 curr_time, delta_time;
201 u32 lifetime = SCANQUEUE_LIFETIME;
202 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
204 if (pnetwork == NULL)
210 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
211 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
214 delta_time = (curr_time - pnetwork->last_scanned)/HZ;
215 if (delta_time < lifetime)/* unit:sec */
218 spin_lock_bh(&free_queue->lock);
219 rtw_list_delete(&(pnetwork->list));
220 rtw_list_insert_tail(&(pnetwork->list), &(free_queue->queue));
221 pmlmepriv->num_of_scanned--;
222 spin_unlock_bh(&free_queue->lock);
225 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
227 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
229 if (pnetwork == NULL)
233 rtw_list_delete(&(pnetwork->list));
234 rtw_list_insert_tail(&(pnetwork->list), get_list_head(free_queue));
235 pmlmepriv->num_of_scanned--;
239 return the wlan_network with the matching addr
241 Shall be calle 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)) {
253 phead = get_list_head(scanned_queue);
256 while (plist != phead) {
257 pnetwork = container_of(plist, struct wlan_network , list);
258 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
269 void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
271 struct list_head *phead, *plist;
272 struct wlan_network *pnetwork;
273 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
274 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
276 spin_lock_bh(&scanned_queue->lock);
278 phead = get_list_head(scanned_queue);
281 while (rtw_end_of_queue_search(phead, plist) == false) {
282 pnetwork = container_of(plist, struct wlan_network, list);
286 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
288 spin_unlock_bh(&scanned_queue->lock);
291 int rtw_if_up(struct adapter *padapter)
295 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
296 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
297 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
298 ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
299 padapter->bDriverStopped, padapter->bSurpriseRemoved));
307 void rtw_generate_random_ibss(u8 *pibss)
309 u32 curtime = jiffies;
311 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
314 pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
315 pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
316 pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
320 u8 *rtw_get_capability_from_ie(u8 *ie)
326 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
330 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
332 return le16_to_cpu(val);
335 u8 *rtw_get_timestampe_from_ie(u8 *ie)
340 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
345 int rtw_init_mlme_priv(struct adapter *padapter)
348 res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */
352 void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
354 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n"));
355 _rtw_free_mlme_priv(pmlmepriv);
358 static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
360 return _rtw_alloc_network(pmlmepriv);
363 static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
364 struct wlan_network *pnetwork)
366 _rtw_free_network_nolock(pmlmepriv, pnetwork);
370 void rtw_free_network_queue(struct adapter *dev, u8 isfreeall)
372 _rtw_free_network_queue(dev, isfreeall);
376 return the wlan_network with the matching addr
378 Shall be calle under atomic context... to avoid possible racing condition...
380 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
382 struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr);
387 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
390 struct security_priv *psecuritypriv = &adapter->securitypriv;
392 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
393 (pnetwork->network.Privacy == 0))
395 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
396 (pnetwork->network.Privacy == 1))
403 static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
405 return (a->Ssid.SsidLength == b->Ssid.SsidLength) &&
406 !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
409 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
412 __le16 le_scap, le_dcap;
414 memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2);
415 memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2);
418 s_cap = le16_to_cpu(le_scap);
419 d_cap = le16_to_cpu(le_dcap);
421 return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
422 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
423 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
424 ((s_cap & WLAN_CAPABILITY_IBSS) ==
425 (d_cap & WLAN_CAPABILITY_IBSS)) &&
426 ((s_cap & WLAN_CAPABILITY_BSS) ==
427 (d_cap & WLAN_CAPABILITY_BSS)));
430 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
432 struct list_head *plist, *phead;
433 struct wlan_network *pwlan = NULL;
434 struct wlan_network *oldest = NULL;
436 phead = get_list_head(scanned_queue);
441 if (rtw_end_of_queue_search(phead, plist) == true)
444 pwlan = container_of(plist, struct wlan_network, list);
447 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
456 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
457 struct adapter *padapter, bool update_ie)
459 long rssi_ori = dst->Rssi;
460 u8 sq_smp = src->PhyInfo.SignalQuality;
465 rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */
467 /* The rule below is 1/5 for sample value, 4/5 for history value */
468 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
469 /* Take the recvpriv's value for the connected AP*/
470 ss_final = padapter->recvpriv.signal_strength;
471 sq_final = padapter->recvpriv.signal_qual;
472 /* the rssi value here is undecorated, and will be used for antenna diversity */
473 if (sq_smp != 101) /* from the right channel */
474 rssi_final = (src->Rssi+dst->Rssi*4)/5;
476 rssi_final = rssi_ori;
478 if (sq_smp != 101) { /* from the right channel */
479 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
480 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
481 rssi_final = (src->Rssi+dst->Rssi*4)/5;
483 /* bss info not receiving from the right channel, use the original RX signal infos */
484 ss_final = dst->PhyInfo.SignalStrength;
485 sq_final = dst->PhyInfo.SignalQuality;
486 rssi_final = dst->Rssi;
490 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
491 dst->PhyInfo.SignalStrength = ss_final;
492 dst->PhyInfo.SignalQuality = sq_final;
493 dst->Rssi = rssi_final;
497 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
499 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
501 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) &&
502 (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
503 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
504 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
505 pmlmepriv->cur_network.network.IELength);
510 Caller must hold pmlmepriv->lock first.
512 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
514 struct list_head *plist, *phead;
516 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
517 struct __queue *queue = &(pmlmepriv->scanned_queue);
518 struct wlan_network *pnetwork = NULL;
519 struct wlan_network *oldest = NULL;
521 spin_lock_bh(&queue->lock);
522 phead = get_list_head(queue);
526 if (rtw_end_of_queue_search(phead, plist) == true)
529 pnetwork = container_of(plist, struct wlan_network, list);
531 if (is_same_network(&(pnetwork->network), target))
533 if ((oldest == ((struct wlan_network *)0)) ||
534 time_after(oldest->last_scanned, pnetwork->last_scanned))
538 /* If we didn't find a match, then get a new network slot to initialize
539 * with this beacon's information */
540 if (rtw_end_of_queue_search(phead, plist) == true) {
541 if (_rtw_queue_empty(&(pmlmepriv->free_bss_pool)) == true) {
542 /* If there are no more slots, expire the oldest */
545 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
546 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
547 /* variable initialize */
548 pnetwork->fixed = false;
549 pnetwork->last_scanned = jiffies;
551 pnetwork->network_type = 0;
553 pnetwork->join_res = 0;
555 /* bss info not receiving from the right channel */
556 if (pnetwork->network.PhyInfo.SignalQuality == 101)
557 pnetwork->network.PhyInfo.SignalQuality = 0;
559 /* Otherwise just pull from the free list */
561 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
563 if (pnetwork == NULL) {
564 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
568 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
569 target->Length = bssid_ex_sz;
570 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
571 memcpy(&(pnetwork->network), target, bssid_ex_sz);
573 pnetwork->last_scanned = jiffies;
575 /* bss info not receiving from the right channel */
576 if (pnetwork->network.PhyInfo.SignalQuality == 101)
577 pnetwork->network.PhyInfo.SignalQuality = 0;
578 rtw_list_insert_tail(&(pnetwork->list), &(queue->queue));
581 /* we have an entry and we are going to update it. But this entry may
582 * be already expired. In this case we do the same as we found a new
583 * net and call the new_net handler
585 bool update_ie = true;
587 pnetwork->last_scanned = jiffies;
589 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
590 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
593 update_network(&(pnetwork->network), target, adapter, update_ie);
597 spin_unlock_bh(&queue->lock);
601 static void rtw_add_network(struct adapter *adapter,
602 struct wlan_bssid_ex *pnetwork)
604 #if defined(CONFIG_88EU_P2P)
605 rtw_wlan_bssid_ex_remove_p2p_attr(pnetwork, P2P_ATTR_GROUP_INFO);
607 update_current_network(adapter, pnetwork);
608 rtw_update_scanned_network(adapter, pnetwork);
612 * select the desired network based on the capability of the (i)bss.
613 * check items: (1) security
619 static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
621 struct security_priv *psecuritypriv = &adapter->securitypriv;
622 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
626 /* u8 wps_ie[512]; */
629 int bselected = true;
631 desired_encmode = psecuritypriv->ndisencryptstatus;
632 privacy = pnetwork->network.Privacy;
634 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
635 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
640 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
641 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
646 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
647 DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
651 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
652 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
660 /* TODO: Perry: For Power Management */
661 void rtw_atimdone_event_callback(struct adapter *adapter , u8 *pbuf)
663 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
668 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
671 struct wlan_bssid_ex *pnetwork;
672 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
674 pnetwork = (struct wlan_bssid_ex *)pbuf;
676 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
678 len = get_wlan_bssid_ex_sz(pnetwork);
679 if (len > (sizeof(struct wlan_bssid_ex))) {
680 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
683 spin_lock_bh(&pmlmepriv->lock);
685 /* update IBSS_network 's timestamp */
686 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
687 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
688 struct wlan_network *ibss_wlan = NULL;
690 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
691 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
692 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
694 memcpy(ibss_wlan->network.IEs , pnetwork->IEs, 8);
695 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
698 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
702 /* lock pmlmepriv->lock when you accessing network_q */
703 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
704 if (pnetwork->Ssid.Ssid[0] == 0)
705 pnetwork->Ssid.SsidLength = 0;
706 rtw_add_network(adapter, pnetwork);
711 spin_unlock_bh(&pmlmepriv->lock);
715 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
717 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
718 struct mlme_ext_priv *pmlmeext;
720 spin_lock_bh(&pmlmepriv->lock);
722 if (pmlmepriv->wps_probe_req_ie) {
723 pmlmepriv->wps_probe_req_ie_len = 0;
724 kfree(pmlmepriv->wps_probe_req_ie);
725 pmlmepriv->wps_probe_req_ie = NULL;
728 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
730 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
733 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
735 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
737 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
740 rtw_set_signal_stat_timer(&adapter->recvpriv);
742 if (pmlmepriv->to_join) {
743 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
744 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
745 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
747 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
748 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
750 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
751 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
753 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
755 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
757 _rtw_memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
758 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
760 rtw_update_registrypriv_dev_network(adapter);
761 rtw_generate_random_ibss(pibss);
763 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
765 if (rtw_createbss_cmd(adapter) != _SUCCESS)
766 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n"));
767 pmlmepriv->to_join = false;
772 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
773 pmlmepriv->to_join = false;
774 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
775 if (_SUCCESS == s_ret) {
776 _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT);
777 } else if (s_ret == 2) { /* there is no need to wait for join */
778 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
779 rtw_indicate_connect(adapter);
781 DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming);
782 if (pmlmepriv->to_roaming != 0) {
783 if (--pmlmepriv->to_roaming == 0 ||
784 _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) {
785 pmlmepriv->to_roaming = 0;
786 rtw_free_assoc_resources(adapter, 1);
787 rtw_indicate_disconnect(adapter);
789 pmlmepriv->to_join = true;
792 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
797 indicate_wx_scan_complete_event(adapter);
799 spin_unlock_bh(&pmlmepriv->lock);
801 if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
802 p2p_ps_wk_cmd(adapter, P2P_PS_SCAN_DONE, 0);
804 rtw_os_xmit_schedule(adapter);
806 pmlmeext = &adapter->mlmeextpriv;
807 if (pmlmeext->sitesurvey_res.bss_cnt == 0)
808 rtw_hal_sreset_reset(adapter);
811 void rtw_dummy_event_callback(struct adapter *adapter , u8 *pbuf)
815 void rtw_fwdbg_event_callback(struct adapter *adapter , u8 *pbuf)
819 static void free_scanqueue(struct mlme_priv *pmlmepriv)
821 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
822 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
823 struct list_head *plist, *phead, *ptemp;
825 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
826 spin_lock_bh(&scan_queue->lock);
827 spin_lock_bh(&free_queue->lock);
829 phead = get_list_head(scan_queue);
832 while (plist != phead) {
834 rtw_list_delete(plist);
835 rtw_list_insert_tail(plist, &free_queue->queue);
837 pmlmepriv->num_of_scanned--;
840 spin_unlock_bh(&free_queue->lock);
841 spin_unlock_bh(&scan_queue->lock);
845 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
847 void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
849 struct wlan_network *pwlan = NULL;
850 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
851 struct sta_priv *pstapriv = &adapter->stapriv;
852 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
854 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
855 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
856 ("tgt_network->network.MacAddress=%pM ssid=%s\n",
857 tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid));
859 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
860 struct sta_info *psta;
862 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
864 spin_lock_bh(&(pstapriv->sta_hash_lock));
865 rtw_free_stainfo(adapter, psta);
866 spin_unlock_bh(&pstapriv->sta_hash_lock);
869 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) {
870 struct sta_info *psta;
872 rtw_free_all_stainfo(adapter);
874 psta = rtw_get_bcmc_stainfo(adapter);
875 spin_lock_bh(&(pstapriv->sta_hash_lock));
876 rtw_free_stainfo(adapter, psta);
877 spin_unlock_bh(&pstapriv->sta_hash_lock);
879 rtw_init_bcmc_stainfo(adapter);
882 if (lock_scanned_queue)
883 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
885 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
887 pwlan->fixed = false;
889 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
891 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
892 rtw_free_network_nolock(pmlmepriv, pwlan);
894 if (lock_scanned_queue)
895 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
896 pmlmepriv->key_mask = 0;
900 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
902 void rtw_indicate_connect(struct adapter *padapter)
904 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
906 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
908 pmlmepriv->to_join = false;
910 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
911 set_fwstate(pmlmepriv, _FW_LINKED);
913 rtw_led_control(padapter, LED_CTL_LINK);
915 rtw_os_indicate_connect(padapter);
918 pmlmepriv->to_roaming = 0;
920 rtw_set_scan_deny(padapter, 3000);
922 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
926 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
928 void rtw_indicate_disconnect(struct adapter *padapter)
930 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
932 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
934 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
937 if (pmlmepriv->to_roaming > 0)
938 _clr_fwstate_(pmlmepriv, _FW_LINKED);
940 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
941 (pmlmepriv->to_roaming <= 0)) {
942 rtw_os_indicate_disconnect(padapter);
944 _clr_fwstate_(pmlmepriv, _FW_LINKED);
945 rtw_led_control(padapter, LED_CTL_NO_LINK);
946 rtw_clear_scan_deny(padapter);
948 p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1);
950 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
953 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
955 rtw_os_indicate_scan_done(padapter, aborted);
958 void rtw_scan_abort(struct adapter *adapter)
961 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
962 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
965 pmlmeext->scan_abort = true;
966 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
967 rtw_get_passing_time_ms(start) <= 200) {
968 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
970 DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
973 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
974 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
975 DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
976 rtw_indicate_scan_done(adapter, true);
978 pmlmeext->scan_abort = false;
981 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
984 struct sta_info *bmc_sta, *psta = NULL;
985 struct recv_reorder_ctrl *preorder_ctrl;
986 struct sta_priv *pstapriv = &padapter->stapriv;
988 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
990 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
992 if (psta) { /* update ptarget_sta */
993 DBG_88E("%s\n", __func__);
994 psta->aid = pnetwork->join_res;
997 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
998 /* security related */
999 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1000 padapter->securitypriv.binstallGrpkey = false;
1001 padapter->securitypriv.busetkipkey = false;
1002 padapter->securitypriv.bgrpkey_handshake = false;
1003 psta->ieee8021x_blocked = true;
1004 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
1005 _rtw_memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
1006 _rtw_memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
1007 _rtw_memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
1008 _rtw_memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
1009 _rtw_memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
1012 * Commented by Albert 2012/07/21
1013 * When doing the WPS, the wps_ie_len won't equal to 0
1014 * And the Wi-Fi driver shouldn't allow the data
1015 * packet to be tramsmitted.
1017 if (padapter->securitypriv.wps_ie_len != 0) {
1018 psta->ieee8021x_blocked = true;
1019 padapter->securitypriv.wps_ie_len = 0;
1021 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
1022 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
1023 /* todo: check if AP can send A-MPDU packets */
1024 for (i = 0; i < 16; i++) {
1025 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1026 preorder_ctrl = &psta->recvreorder_ctrl[i];
1027 preorder_ctrl->enable = false;
1028 preorder_ctrl->indicate_seq = 0xffff;
1029 preorder_ctrl->wend_b = 0xffff;
1030 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
1032 bmc_sta = rtw_get_bcmc_stainfo(padapter);
1034 for (i = 0; i < 16; i++) {
1035 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
1036 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1037 preorder_ctrl->enable = false;
1038 preorder_ctrl->indicate_seq = 0xffff;
1039 preorder_ctrl->wend_b = 0xffff;
1040 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
1044 update_sta_info(padapter, psta);
1049 /* pnetwork: returns from rtw_joinbss_event_callback */
1050 /* ptarget_wlan: found from scanned_queue */
1051 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
1053 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1054 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1056 DBG_88E("%s\n", __func__);
1058 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1059 ("\nfw_state:%x, BSSID:%pM\n",
1060 get_fwstate(pmlmepriv), pnetwork->network.MacAddress));
1063 /* why not use ptarget_wlan?? */
1064 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
1065 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
1066 cur_network->network.IELength = ptarget_wlan->network.IELength;
1067 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
1069 cur_network->aid = pnetwork->join_res;
1072 rtw_set_signal_stat_timer(&padapter->recvpriv);
1073 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
1074 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
1075 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
1076 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
1077 rtw_set_signal_stat_timer(&padapter->recvpriv);
1079 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1080 switch (pnetwork->network.InfrastructureMode) {
1081 case Ndis802_11Infrastructure:
1082 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1083 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1085 pmlmepriv->fw_state = WIFI_STATION_STATE;
1087 case Ndis802_11IBSS:
1088 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1091 pmlmepriv->fw_state = WIFI_NULL_STATE;
1092 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1096 rtw_update_protection(padapter, (cur_network->network.IEs) +
1097 sizeof(struct ndis_802_11_fixed_ie),
1098 (cur_network->network.IELength));
1099 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength);
1102 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1103 /* pnetwork: returns from rtw_joinbss_event_callback */
1104 /* ptarget_wlan: found from scanned_queue */
1105 /* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1106 /* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1107 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1109 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1112 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1113 struct sta_priv *pstapriv = &adapter->stapriv;
1114 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1115 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1116 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1117 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1118 unsigned int the_same_macaddr = false;
1120 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res));
1122 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1125 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1126 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1128 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1130 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1132 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1133 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1134 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1138 spin_lock_bh(&pmlmepriv->lock);
1140 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n"));
1142 if (pnetwork->join_res > 0) {
1143 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1144 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1145 /* s1. find ptarget_wlan */
1146 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1147 if (the_same_macaddr) {
1148 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1150 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1152 pcur_wlan->fixed = false;
1154 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1156 spin_lock_bh(&(pstapriv->sta_hash_lock));
1157 rtw_free_stainfo(adapter, pcur_sta);
1158 spin_unlock_bh(&pstapriv->sta_hash_lock);
1161 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1162 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1164 ptarget_wlan->fixed = true;
1168 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1169 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1171 ptarget_wlan->fixed = true;
1175 /* s2. update cur_network */
1177 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1179 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
1180 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1181 goto ignore_joinbss_callback;
1185 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1186 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1187 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1188 if (ptarget_sta == NULL) {
1189 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1190 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1191 goto ignore_joinbss_callback;
1195 /* s4. indicate connect */
1196 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1197 rtw_indicate_connect(adapter);
1199 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1200 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1203 /* s5. Cancle assoc_timer */
1204 _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled);
1206 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancle assoc_timer\n"));
1209 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1210 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1211 goto ignore_joinbss_callback;
1214 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1216 } else if (pnetwork->join_res == -4) {
1217 rtw_reset_securitypriv(adapter);
1218 _set_timer(&pmlmepriv->assoc_timer, 1);
1220 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1221 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
1222 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1224 } else { /* if join_res < 0 (join fails), then try again */
1225 _set_timer(&pmlmepriv->assoc_timer, 1);
1226 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1229 ignore_joinbss_callback:
1230 spin_unlock_bh(&pmlmepriv->lock);
1233 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1235 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1237 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1239 rtw_os_xmit_schedule(adapter);
1242 static u8 search_max_mac_id(struct adapter *padapter)
1245 #if defined(CONFIG_88EU_AP_MODE)
1247 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1248 struct sta_priv *pstapriv = &padapter->stapriv;
1250 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1251 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1253 #if defined(CONFIG_88EU_AP_MODE)
1254 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1255 for (aid = (pstapriv->max_num_sta); aid > 0; aid--) {
1256 if (pstapriv->sta_aid[aid-1] != NULL)
1262 {/* adhoc id = 31~2 */
1263 for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
1264 if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
1271 /* FOR AP , AD-HOC mode */
1272 void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta)
1280 macid = search_max_mac_id(adapter);
1281 rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid);
1282 media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */
1283 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1286 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1288 struct sta_info *psta;
1289 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1290 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1291 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1292 struct wlan_network *ptarget_wlan = NULL;
1294 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1297 #if defined(CONFIG_88EU_AP_MODE)
1298 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1299 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1301 ap_sta_info_defer_update(adapter, psta);
1302 rtw_stassoc_hw_rpt(adapter, psta);
1307 /* for AD-HOC mode */
1308 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1310 /* the sta have been in sta_info_queue => do nothing */
1311 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1312 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1314 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1316 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1319 /* to do: init sta_info variable */
1320 psta->qos_option = 0;
1321 psta->mac_id = (uint)pstassoc->cam_id;
1322 DBG_88E("%s\n", __func__);
1323 /* for ad-hoc mode */
1324 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1325 rtw_stassoc_hw_rpt(adapter, psta);
1326 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1327 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1328 psta->ieee8021x_blocked = false;
1329 spin_lock_bh(&pmlmepriv->lock);
1330 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
1331 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) {
1332 if (adapter->stapriv.asoc_sta_count == 2) {
1333 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1334 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1336 ptarget_wlan->fixed = true;
1337 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1338 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1339 rtw_indicate_connect(adapter);
1342 spin_unlock_bh(&pmlmepriv->lock);
1343 mlmeext_sta_add_event_callback(adapter, psta);
1346 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1349 struct sta_info *psta;
1350 struct wlan_network *pwlan = NULL;
1351 struct wlan_bssid_ex *pdev_network = NULL;
1353 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1354 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1355 struct sta_priv *pstapriv = &adapter->stapriv;
1356 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1358 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1360 mac_id = psta->mac_id;
1362 mac_id = pstadel->mac_id;
1364 DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
1368 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1369 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1370 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1373 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1376 mlmeext_sta_del_event_callback(adapter);
1378 spin_lock_bh(&pmlmepriv->lock);
1380 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1381 if (pmlmepriv->to_roaming > 0)
1382 pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */
1383 else if (pmlmepriv->to_roaming == 0)
1384 pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times;
1386 if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK)
1387 pmlmepriv->to_roaming = 0; /* don't roam */
1389 rtw_free_uc_swdec_pending_queue(adapter);
1391 rtw_free_assoc_resources(adapter, 1);
1392 rtw_indicate_disconnect(adapter);
1393 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1394 /* remove the network entry in scanned_queue */
1395 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1397 pwlan->fixed = false;
1398 rtw_free_network_nolock(pmlmepriv, pwlan);
1400 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1401 _rtw_roaming(adapter, tgt_network);
1403 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1404 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1405 spin_lock_bh(&(pstapriv->sta_hash_lock));
1406 rtw_free_stainfo(adapter, psta);
1407 spin_unlock_bh(&pstapriv->sta_hash_lock);
1409 if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1410 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1411 /* free old ibss network */
1412 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1414 pwlan->fixed = false;
1415 rtw_free_network_nolock(pmlmepriv, pwlan);
1417 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1418 /* re-create ibss */
1419 pdev_network = &(adapter->registrypriv.dev_network);
1420 pibss = adapter->registrypriv.dev_network.MacAddress;
1422 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1424 _rtw_memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
1425 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1427 rtw_update_registrypriv_dev_network(adapter);
1429 rtw_generate_random_ibss(pibss);
1431 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1432 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1433 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1436 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1437 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1440 spin_unlock_bh(&pmlmepriv->lock);
1443 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1445 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1449 * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
1450 * @adapter: pointer to struct adapter structure
1452 void _rtw_join_timeout_handler (struct adapter *adapter)
1454 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1457 DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1459 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1463 spin_lock_bh(&pmlmepriv->lock);
1465 if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */
1467 pmlmepriv->to_roaming--;
1468 if (pmlmepriv->to_roaming != 0) { /* try another , */
1469 DBG_88E("%s try another roaming\n", __func__);
1470 do_join_r = rtw_do_join(adapter);
1471 if (_SUCCESS != do_join_r) {
1472 DBG_88E("%s roaming do_join return %d\n", __func__ , do_join_r);
1477 DBG_88E("%s We've try roaming but fail\n", __func__);
1478 rtw_indicate_disconnect(adapter);
1483 rtw_indicate_disconnect(adapter);
1484 free_scanqueue(pmlmepriv);/* */
1486 spin_unlock_bh(&pmlmepriv->lock);
1490 * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
1491 * @adapter: pointer to struct adapter structure
1493 void rtw_scan_timeout_handler (struct adapter *adapter)
1495 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1497 DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1498 spin_lock_bh(&pmlmepriv->lock);
1499 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1500 spin_unlock_bh(&pmlmepriv->lock);
1501 rtw_indicate_scan_done(adapter, true);
1504 static void rtw_auto_scan_handler(struct adapter *padapter)
1506 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1508 /* auto site survey per 60sec */
1509 if (pmlmepriv->scan_interval > 0) {
1510 pmlmepriv->scan_interval--;
1511 if (pmlmepriv->scan_interval == 0) {
1512 DBG_88E("%s\n", __func__);
1513 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1514 pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */
1519 void rtw_dynamic_check_timer_handlder(struct adapter *adapter)
1521 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1522 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1526 if (!adapter->hw_init_completed)
1528 if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved))
1530 if (adapter->net_closed)
1532 rtw_dynamic_chk_wk_cmd(adapter);
1534 if (pregistrypriv->wifi_spec == 1) {
1535 #ifdef CONFIG_88EU_P2P
1536 struct wifidirect_info *pwdinfo = &adapter->wdinfo;
1537 if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1540 /* auto site survey */
1541 rtw_auto_scan_handler(adapter);
1547 if (rcu_dereference(adapter->pnetdev->rx_handler_data) &&
1548 (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true)) {
1549 /* expire NAT2.5 entry */
1550 nat25_db_expire(adapter);
1552 if (adapter->pppoe_connection_in_progress > 0)
1553 adapter->pppoe_connection_in_progress--;
1555 /* due to rtw_dynamic_check_timer_handlder() is called every 2 seconds */
1556 if (adapter->pppoe_connection_in_progress > 0)
1557 adapter->pppoe_connection_in_progress--;
1563 #define RTW_SCAN_RESULT_EXPIRE 2000
1566 * Select a new join candidate from the original @param candidate and @param competitor
1567 * @return true: candidate is updated
1568 * @return false: candidate is not updated
1570 static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv
1571 , struct wlan_network **candidate, struct wlan_network *competitor)
1573 int updated = false;
1574 struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv);
1577 /* check bssid, if needed */
1578 if (pmlmepriv->assoc_by_bssid) {
1579 if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN))
1583 /* check ssid, if needed */
1584 if (pmlmepriv->assoc_ssid.SsidLength) {
1585 if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
1586 !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
1590 if (rtw_is_desired_network(adapter, competitor) == false)
1593 if (pmlmepriv->to_roaming) {
1594 if (rtw_get_passing_time_ms((u32)competitor->last_scanned) >= RTW_SCAN_RESULT_EXPIRE ||
1595 is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
1599 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
1600 *candidate = competitor;
1604 DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n",
1605 pmlmepriv->assoc_by_bssid,
1606 pmlmepriv->assoc_ssid.Ssid,
1607 (*candidate)->network.Ssid.Ssid,
1608 (*candidate)->network.MacAddress,
1609 (int)(*candidate)->network.Rssi);
1610 DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming);
1619 The caller of the sub-routine will be in critical section...
1620 The caller must hold the following spinlock
1624 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1627 struct list_head *phead;
1628 struct adapter *adapter;
1629 struct __queue *queue = &(pmlmepriv->scanned_queue);
1630 struct wlan_network *pnetwork = NULL;
1631 struct wlan_network *candidate = NULL;
1632 u8 supp_ant_div = false;
1634 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1635 phead = get_list_head(queue);
1636 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1637 pmlmepriv->pscanned = phead->next;
1638 while (!rtw_end_of_queue_search(phead, pmlmepriv->pscanned)) {
1639 pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
1640 if (pnetwork == NULL) {
1641 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__));
1645 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1646 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1648 if (candidate == NULL) {
1649 DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__);
1653 DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__,
1654 candidate->network.Ssid.Ssid, candidate->network.MacAddress,
1655 candidate->network.Configuration.DSConfig);
1659 /* check for situation of _FW_LINKED */
1660 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1661 DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
1663 rtw_disassoc_cmd(adapter, 0, true);
1664 rtw_indicate_disconnect(adapter);
1665 rtw_free_assoc_resources(adapter, 0);
1668 rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div));
1671 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant));
1672 DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n",
1673 (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B",
1674 (2 == cur_ant) ? "A" : "B"
1678 ret = rtw_joinbss_cmd(adapter, candidate);
1681 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1685 int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1687 struct cmd_obj *pcmd;
1688 struct setauth_parm *psetauthparm;
1689 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1692 pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
1694 res = _FAIL; /* try again */
1698 psetauthparm = (struct setauth_parm *)rtw_zmalloc(sizeof(struct setauth_parm));
1699 if (psetauthparm == NULL) {
1704 _rtw_memset(psetauthparm, 0, sizeof(struct setauth_parm));
1705 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1706 pcmd->cmdcode = _SetAuth_CMD_;
1707 pcmd->parmbuf = (unsigned char *)psetauthparm;
1708 pcmd->cmdsz = (sizeof(struct setauth_parm));
1711 _rtw_init_listhead(&pcmd->list);
1712 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1713 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1714 psecuritypriv->dot11AuthAlgrthm));
1715 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1720 int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1723 struct cmd_obj *pcmd;
1724 struct setkey_parm *psetkeyparm;
1725 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1726 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1729 pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj));
1731 res = _FAIL; /* try again */
1734 psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm));
1735 if (psetkeyparm == NULL) {
1741 _rtw_memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1743 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1744 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1745 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1746 ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
1747 psetkeyparm->algorithm));
1749 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1750 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1751 ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
1752 psetkeyparm->algorithm));
1754 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1755 psetkeyparm->set_tx = set_tx;
1756 pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
1757 DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
1758 psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
1759 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1760 ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
1761 psetkeyparm->algorithm, keyid));
1763 switch (psetkeyparm->algorithm) {
1766 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1770 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1774 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1775 psetkeyparm->grpkey = 1;
1779 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1780 psetkeyparm->grpkey = 1;
1783 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1784 ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
1785 psecuritypriv->dot11PrivacyAlgrthm));
1789 pcmd->cmdcode = _SetKey_CMD_;
1790 pcmd->parmbuf = (u8 *)psetkeyparm;
1791 pcmd->cmdsz = (sizeof(struct setkey_parm));
1794 _rtw_init_listhead(&pcmd->list);
1795 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1800 /* adjust IEs for rtw_joinbss_cmd in WMM */
1801 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1803 unsigned int ielength = 0;
1806 i = 12; /* after the fixed IE */
1807 while (i < in_len) {
1808 ielength = initial_out_len;
1810 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) {
1811 /* WMM element ID and OUI */
1812 /* Append WMM IE to the last index of out_ie */
1814 for (j = i; j < i + 9; j++) {
1815 out_ie[ielength] = in_ie[j];
1818 out_ie[initial_out_len + 1] = 0x07;
1819 out_ie[initial_out_len + 6] = 0x00;
1820 out_ie[initial_out_len + 8] = 0x00;
1823 i += (in_ie[i+1]+2); /* to the next IE element */
1829 * Ported from 8185: IsInPreAuthKeyList().
1830 * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
1831 * Added by Annie, 2006-05-07.
1834 * -1 :if there is no pre-auth key in the table
1835 * >= 0 :if there is pre-auth key, and return the entry id
1837 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
1839 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1843 if ((psecuritypriv->PMKIDList[i].bUsed) &&
1844 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
1851 } while (i < NUM_PMKID_CACHE);
1853 if (i == NUM_PMKID_CACHE)
1854 i = -1;/* Could not find. */
1860 /* Check the RSN IE length */
1861 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
1862 /* 0-11th element in the array are the fixed IE */
1863 /* 12th element in the array is the IE */
1864 /* 13th element in the array is the IE length */
1867 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
1869 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1872 /* The RSN IE didn't include the PMK ID, append the PMK information */
1875 ie[ie_len] = 0; /* PMKID count = 0x0100 */
1877 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1880 ie[13] += 18;/* PMKID length = 2+16 */
1885 int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
1891 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1892 struct security_priv *psecuritypriv = &adapter->securitypriv;
1893 uint ndisauthmode = psecuritypriv->ndisauthtype;
1894 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1896 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
1897 ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
1898 ndisauthmode, ndissecuritytype));
1900 /* copy fixed ie only */
1901 memcpy(out_ie, in_ie, 12);
1903 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1904 (ndisauthmode == Ndis802_11AuthModeWPAPSK))
1905 authmode = _WPA_IE_ID_;
1906 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1907 (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
1908 authmode = _WPA2_IE_ID_;
1910 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
1911 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
1913 ielength += psecuritypriv->wps_ie_len;
1914 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1915 /* copy RSN or SSN */
1916 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
1917 ielength += psecuritypriv->supplicant_ie[1]+2;
1918 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
1921 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1925 if (authmode == _WPA2_IE_ID_)
1926 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
1931 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
1933 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1934 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1935 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1936 u8 *myhwaddr = myid(peepriv);
1938 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1940 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
1942 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config);
1943 pdev_network->Configuration.BeaconPeriod = 100;
1944 pdev_network->Configuration.FHConfig.Length = 0;
1945 pdev_network->Configuration.FHConfig.HopPattern = 0;
1946 pdev_network->Configuration.FHConfig.HopSet = 0;
1947 pdev_network->Configuration.FHConfig.DwellTime = 0;
1950 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
1953 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1954 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1955 struct security_priv *psecuritypriv = &adapter->securitypriv;
1956 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1958 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */
1960 pdev_network->Rssi = 0;
1962 switch (pregistrypriv->wireless_mode) {
1964 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
1968 case WIRELESS_11_24N:
1969 case WIRELESS_11G_24N:
1970 case WIRELESS_11BG_24N:
1971 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1974 case WIRELESS_11A_5N:
1975 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1977 case WIRELESS_11ABGN:
1978 if (pregistrypriv->channel > 14)
1979 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1981 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1988 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
1989 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1990 ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
1991 pregistrypriv->channel, pdev_network->Configuration.DSConfig));
1993 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1994 pdev_network->Configuration.ATIMWindow = (0);
1996 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
1998 /* 1. Supported rates */
2001 sz = rtw_generate_ie(pregistrypriv);
2002 pdev_network->IELength = sz;
2003 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
2005 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
2006 /* pdev_network->IELength = cpu_to_le32(sz); */
2009 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
2013 /* the function is at passive_level */
2014 void rtw_joinbss_reset(struct adapter *padapter)
2017 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2018 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2020 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
2021 pmlmepriv->num_FortyMHzIntolerant = 0;
2023 pmlmepriv->num_sta_no_ht = 0;
2025 phtpriv->ampdu_enable = false;/* reset to disabled */
2027 /* TH = 1 => means that invalidate usb rx aggregation */
2028 /* TH = 0 => means that validate usb rx aggregation, use init value. */
2029 if (phtpriv->ht_option) {
2030 if (padapter->registrypriv.wifi_spec == 1)
2034 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2037 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
2041 /* the function is >= passive_level */
2042 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len)
2045 enum ht_cap_ampdu_factor max_rx_ampdu_factor;
2047 struct rtw_ieee80211_ht_cap ht_capie;
2048 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
2049 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2050 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
2051 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2052 u32 rx_packet_offset, max_recvbuf_sz;
2055 phtpriv->ht_option = false;
2057 p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
2059 if (p && ielen > 0) {
2060 if (pqospriv->qos_option == 0) {
2061 out_len = *pout_len;
2062 rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
2063 _WMM_IE_Length_, WMM_IE, pout_len);
2065 pqospriv->qos_option = 1;
2068 out_len = *pout_len;
2070 _rtw_memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
2072 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
2073 IEEE80211_HT_CAP_SGI_20 |
2074 IEEE80211_HT_CAP_SGI_40 |
2075 IEEE80211_HT_CAP_TX_STBC |
2076 IEEE80211_HT_CAP_DSSSCCK40;
2078 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
2079 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
2082 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
2083 AMPDU_para [4:2]:Min MPDU Start Spacing
2086 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
2087 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
2089 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
2090 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
2092 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2095 rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2096 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2098 phtpriv->ht_option = true;
2100 p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
2101 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2102 out_len = *pout_len;
2103 rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2 , pout_len);
2106 return phtpriv->ht_option;
2109 /* the function is > passive_level (in critical_section) */
2110 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
2112 u8 *p, max_ampdu_sz;
2114 struct rtw_ieee80211_ht_cap *pht_capie;
2115 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2116 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2117 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2118 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2119 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2121 if (!phtpriv->ht_option)
2124 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2127 DBG_88E("+rtw_update_ht_cap()\n");
2129 /* maybe needs check if ap supports rx ampdu. */
2130 if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) {
2131 if (pregistrypriv->wifi_spec == 1)
2132 phtpriv->ampdu_enable = false;
2134 phtpriv->ampdu_enable = true;
2135 } else if (pregistrypriv->ampdu_enable == 2) {
2136 phtpriv->ampdu_enable = true;
2140 /* check Max Rx A-MPDU Size */
2142 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2144 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2145 max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR);
2146 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2147 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2150 p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
2152 /* update cur_bwmode & cur_ch_offset */
2153 if ((pregistrypriv->cbw40_enable) &&
2154 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) &&
2155 (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2159 padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2161 /* update the MCS rates */
2162 for (i = 0; i < 16; i++) {
2163 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
2164 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
2166 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
2168 /* switch to the 40M Hz mode according to the AP */
2169 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2170 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2171 case HT_EXTCHNL_OFFSET_UPPER:
2172 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2174 case HT_EXTCHNL_OFFSET_LOWER:
2175 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2178 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2183 /* Config SM Power Save setting */
2184 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
2185 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2186 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2188 /* Config current HT Protection mode. */
2189 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2192 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2196 struct sta_info *psta = NULL;
2197 struct ht_priv *phtpriv;
2198 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2199 s32 bmcst = IS_MCAST(pattrib->ra);
2201 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2204 priority = pattrib->priority;
2207 psta = pattrib->psta;
2209 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2214 phtpriv = &psta->htpriv;
2216 if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
2217 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2218 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2221 DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
2222 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2223 rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra);
2228 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2230 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2232 spin_lock_bh(&pmlmepriv->lock);
2233 _rtw_roaming(padapter, tgt_network);
2234 spin_unlock_bh(&pmlmepriv->lock);
2236 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2238 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2241 struct wlan_network *pnetwork;
2243 if (tgt_network != NULL)
2244 pnetwork = tgt_network;
2246 pnetwork = &pmlmepriv->cur_network;
2248 if (0 < pmlmepriv->to_roaming) {
2249 DBG_88E("roaming from %s(%pM length:%d\n",
2250 pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
2251 pnetwork->network.Ssid.SsidLength);
2252 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid));
2254 pmlmepriv->assoc_by_bssid = false;
2257 do_join_r = rtw_do_join(padapter);
2258 if (_SUCCESS == do_join_r) {
2261 DBG_88E("roaming do_join return %d\n", do_join_r);
2262 pmlmepriv->to_roaming--;
2264 if (0 < pmlmepriv->to_roaming) {
2267 DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2268 rtw_indicate_disconnect(padapter);