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 ******************************************************************************/
22 #include <linux/ieee80211.h>
24 #include <osdep_service.h>
25 #include <drv_types.h>
26 #include <recv_osdep.h>
27 #include <xmit_osdep.h>
29 #include <mlme_osdep.h>
32 #include <wlan_bssdef.h>
33 #include <rtw_ioctl_set.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 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 INIT_LIST_HEAD(&(pnetwork->list));
77 list_add_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 struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */
133 struct wlan_network *pnetwork;
134 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
135 struct list_head *plist = NULL;
137 spin_lock_bh(&free_queue->lock);
139 if (list_empty(&free_queue->queue)) {
143 plist = free_queue->queue.next;
145 pnetwork = container_of(plist, struct wlan_network, list);
147 list_del_init(&pnetwork->list);
149 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist));
150 pnetwork->network_type = 0;
151 pnetwork->fixed = false;
152 pnetwork->last_scanned = jiffies;
154 pnetwork->join_res = 0;
156 pmlmepriv->num_of_scanned++;
159 spin_unlock_bh(&free_queue->lock);
164 static void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall)
166 u32 curr_time, delta_time;
167 u32 lifetime = SCANQUEUE_LIFETIME;
168 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
170 if (pnetwork == NULL)
176 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
177 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)))
180 delta_time = (curr_time - pnetwork->last_scanned)/HZ;
181 if (delta_time < lifetime)/* unit:sec */
184 spin_lock_bh(&free_queue->lock);
185 list_del_init(&(pnetwork->list));
186 list_add_tail(&(pnetwork->list), &(free_queue->queue));
187 pmlmepriv->num_of_scanned--;
188 spin_unlock_bh(&free_queue->lock);
191 void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
193 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
195 if (pnetwork == NULL)
199 list_del_init(&(pnetwork->list));
200 list_add_tail(&(pnetwork->list), get_list_head(free_queue));
201 pmlmepriv->num_of_scanned--;
205 return the wlan_network with the matching addr
207 Shall be calle under atomic context... to avoid possible racing condition...
209 struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
211 struct list_head *phead, *plist;
212 struct wlan_network *pnetwork = NULL;
213 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
215 if (!memcmp(zero_addr, addr, ETH_ALEN)) {
219 phead = get_list_head(scanned_queue);
222 while (plist != phead) {
223 pnetwork = container_of(plist, struct wlan_network, list);
224 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
235 void rtw_free_network_queue(struct adapter *padapter, u8 isfreeall)
237 struct list_head *phead, *plist;
238 struct wlan_network *pnetwork;
239 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
240 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
242 spin_lock_bh(&scanned_queue->lock);
244 phead = get_list_head(scanned_queue);
247 while (phead != plist) {
248 pnetwork = container_of(plist, struct wlan_network, list);
252 _rtw_free_network(pmlmepriv, pnetwork, isfreeall);
254 spin_unlock_bh(&scanned_queue->lock);
257 int rtw_if_up(struct adapter *padapter)
261 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
262 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
263 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
264 ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
265 padapter->bDriverStopped, padapter->bSurpriseRemoved));
273 void rtw_generate_random_ibss(u8 *pibss)
275 u32 curtime = jiffies;
277 pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
280 pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
281 pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
282 pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
286 u8 *rtw_get_capability_from_ie(u8 *ie)
292 u16 rtw_get_capability(struct wlan_bssid_ex *bss)
296 memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
298 return le16_to_cpu(val);
301 u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
306 static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv)
308 return _rtw_alloc_network(pmlmepriv);
311 static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv,
312 struct wlan_network *pnetwork)
314 _rtw_free_network_nolock(pmlmepriv, pnetwork);
317 int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork)
320 struct security_priv *psecuritypriv = &adapter->securitypriv;
322 if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) &&
323 (pnetwork->network.Privacy == 0))
325 else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) &&
326 (pnetwork->network.Privacy == 1))
333 static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b)
335 return (a->Ssid.SsidLength == b->Ssid.SsidLength) &&
336 !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
339 int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
342 __le16 le_scap, le_dcap;
344 memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2);
345 memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2);
348 s_cap = le16_to_cpu(le_scap);
349 d_cap = le16_to_cpu(le_dcap);
351 return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
352 ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
353 ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
354 ((s_cap & WLAN_CAPABILITY_IBSS) ==
355 (d_cap & WLAN_CAPABILITY_IBSS)) &&
356 ((s_cap & WLAN_CAPABILITY_ESS) ==
357 (d_cap & WLAN_CAPABILITY_ESS)));
360 struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
362 struct list_head *plist, *phead;
363 struct wlan_network *pwlan = NULL;
364 struct wlan_network *oldest = NULL;
366 phead = get_list_head(scanned_queue);
374 pwlan = container_of(plist, struct wlan_network, list);
377 if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
386 void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src,
387 struct adapter *padapter, bool update_ie)
389 long rssi_ori = dst->Rssi;
390 u8 sq_smp = src->PhyInfo.SignalQuality;
395 rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */
397 /* The rule below is 1/5 for sample value, 4/5 for history value */
398 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
399 /* Take the recvpriv's value for the connected AP*/
400 ss_final = padapter->recvpriv.signal_strength;
401 sq_final = padapter->recvpriv.signal_qual;
402 /* the rssi value here is undecorated, and will be used for antenna diversity */
403 if (sq_smp != 101) /* from the right channel */
404 rssi_final = (src->Rssi+dst->Rssi*4)/5;
406 rssi_final = rssi_ori;
408 if (sq_smp != 101) { /* from the right channel */
409 ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5;
410 sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5;
411 rssi_final = (src->Rssi+dst->Rssi*4)/5;
413 /* bss info not receiving from the right channel, use the original RX signal infos */
414 ss_final = dst->PhyInfo.SignalStrength;
415 sq_final = dst->PhyInfo.SignalQuality;
416 rssi_final = dst->Rssi;
420 memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src));
421 dst->PhyInfo.SignalStrength = ss_final;
422 dst->PhyInfo.SignalQuality = sq_final;
423 dst->Rssi = rssi_final;
427 static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork)
429 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
431 if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) &&
432 (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
433 update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
434 rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
435 pmlmepriv->cur_network.network.IELength);
440 Caller must hold pmlmepriv->lock first.
442 void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target)
444 struct list_head *plist, *phead;
446 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
447 struct __queue *queue = &(pmlmepriv->scanned_queue);
448 struct wlan_network *pnetwork = NULL;
449 struct wlan_network *oldest = NULL;
451 spin_lock_bh(&queue->lock);
452 phead = get_list_head(queue);
455 while (phead != plist) {
456 pnetwork = container_of(plist, struct wlan_network, list);
458 if (is_same_network(&(pnetwork->network), target))
460 if ((oldest == ((struct wlan_network *)0)) ||
461 time_after(oldest->last_scanned, pnetwork->last_scanned))
465 /* If we didn't find a match, then get a new network slot to initialize
466 * with this beacon's information */
467 if (phead == plist) {
468 if (list_empty(&(pmlmepriv->free_bss_pool.queue))) {
469 /* If there are no more slots, expire the oldest */
472 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
473 memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target));
474 /* variable initialize */
475 pnetwork->fixed = false;
476 pnetwork->last_scanned = jiffies;
478 pnetwork->network_type = 0;
480 pnetwork->join_res = 0;
482 /* bss info not receiving from the right channel */
483 if (pnetwork->network.PhyInfo.SignalQuality == 101)
484 pnetwork->network.PhyInfo.SignalQuality = 0;
486 /* Otherwise just pull from the free list */
488 pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */
490 if (pnetwork == NULL) {
491 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
495 bssid_ex_sz = get_wlan_bssid_ex_sz(target);
496 target->Length = bssid_ex_sz;
497 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
498 memcpy(&(pnetwork->network), target, bssid_ex_sz);
500 pnetwork->last_scanned = jiffies;
502 /* bss info not receiving from the right channel */
503 if (pnetwork->network.PhyInfo.SignalQuality == 101)
504 pnetwork->network.PhyInfo.SignalQuality = 0;
505 list_add_tail(&(pnetwork->list), &(queue->queue));
508 /* we have an entry and we are going to update it. But this entry may
509 * be already expired. In this case we do the same as we found a new
510 * net and call the new_net handler
512 bool update_ie = true;
514 pnetwork->last_scanned = jiffies;
516 /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
517 if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
520 update_network(&(pnetwork->network), target, adapter, update_ie);
524 spin_unlock_bh(&queue->lock);
528 static void rtw_add_network(struct adapter *adapter,
529 struct wlan_bssid_ex *pnetwork)
531 update_current_network(adapter, pnetwork);
532 rtw_update_scanned_network(adapter, pnetwork);
536 * select the desired network based on the capability of the (i)bss.
537 * check items: (1) security
543 static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork)
545 struct security_priv *psecuritypriv = &adapter->securitypriv;
546 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
550 /* u8 wps_ie[512]; */
553 int bselected = true;
555 desired_encmode = psecuritypriv->ndisencryptstatus;
556 privacy = pnetwork->network.Privacy;
558 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
559 if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
564 if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
565 if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
570 if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
571 DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
575 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
576 if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
584 /* TODO: Perry: For Power Management */
585 void rtw_atimdone_event_callback(struct adapter *adapter, u8 *pbuf)
587 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
592 void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
595 struct wlan_bssid_ex *pnetwork;
596 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
598 pnetwork = (struct wlan_bssid_ex *)pbuf;
600 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
602 len = get_wlan_bssid_ex_sz(pnetwork);
603 if (len > (sizeof(struct wlan_bssid_ex))) {
604 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
607 spin_lock_bh(&pmlmepriv->lock);
609 /* update IBSS_network 's timestamp */
610 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
611 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
612 struct wlan_network *ibss_wlan = NULL;
614 memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
615 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
616 ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
618 memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8);
619 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
622 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
626 /* lock pmlmepriv->lock when you accessing network_q */
627 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
628 if (pnetwork->Ssid.Ssid[0] == 0)
629 pnetwork->Ssid.SsidLength = 0;
630 rtw_add_network(adapter, pnetwork);
635 spin_unlock_bh(&pmlmepriv->lock);
639 void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
641 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
643 spin_lock_bh(&pmlmepriv->lock);
645 if (pmlmepriv->wps_probe_req_ie) {
646 pmlmepriv->wps_probe_req_ie_len = 0;
647 kfree(pmlmepriv->wps_probe_req_ie);
648 pmlmepriv->wps_probe_req_ie = NULL;
651 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
653 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
654 del_timer_sync(&pmlmepriv->scan_to_timer);
655 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
657 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv)));
660 rtw_set_signal_stat_timer(&adapter->recvpriv);
662 if (pmlmepriv->to_join) {
663 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
664 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
665 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
667 if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) {
668 mod_timer(&pmlmepriv->assoc_timer,
669 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
671 struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network);
672 u8 *pibss = adapter->registrypriv.dev_network.MacAddress;
674 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
676 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n"));
678 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
680 rtw_update_registrypriv_dev_network(adapter);
681 rtw_generate_random_ibss(pibss);
683 pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
685 if (rtw_createbss_cmd(adapter) != _SUCCESS)
686 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n"));
687 pmlmepriv->to_join = false;
692 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
693 pmlmepriv->to_join = false;
694 s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
695 if (_SUCCESS == s_ret) {
696 mod_timer(&pmlmepriv->assoc_timer,
697 jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
698 } else if (s_ret == 2) { /* there is no need to wait for join */
699 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
700 rtw_indicate_connect(adapter);
702 DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming);
703 if (pmlmepriv->to_roaming != 0) {
704 if (--pmlmepriv->to_roaming == 0 ||
705 _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) {
706 pmlmepriv->to_roaming = 0;
707 rtw_free_assoc_resources(adapter);
708 rtw_indicate_disconnect(adapter);
710 pmlmepriv->to_join = true;
713 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
718 indicate_wx_scan_complete_event(adapter);
720 spin_unlock_bh(&pmlmepriv->lock);
722 rtw_os_xmit_schedule(adapter);
725 void rtw_dummy_event_callback(struct adapter *adapter, u8 *pbuf)
729 void rtw_fwdbg_event_callback(struct adapter *adapter, u8 *pbuf)
733 static void free_scanqueue(struct mlme_priv *pmlmepriv)
735 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
736 struct __queue *scan_queue = &pmlmepriv->scanned_queue;
737 struct list_head *plist, *phead, *ptemp;
739 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
740 spin_lock_bh(&scan_queue->lock);
741 spin_lock_bh(&free_queue->lock);
743 phead = get_list_head(scan_queue);
746 while (plist != phead) {
748 list_del_init(plist);
749 list_add_tail(plist, &free_queue->queue);
751 pmlmepriv->num_of_scanned--;
754 spin_unlock_bh(&free_queue->lock);
755 spin_unlock_bh(&scan_queue->lock);
759 *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
761 void rtw_free_assoc_resources(struct adapter *adapter)
763 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
765 spin_lock_bh(&pmlmepriv->scanned_queue.lock);
766 rtw_free_assoc_resources_locked(adapter);
767 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
771 *rtw_free_assoc_resources_locked: the caller has to lock pmlmepriv->lock
773 void rtw_free_assoc_resources_locked(struct adapter *adapter)
775 struct wlan_network *pwlan = NULL;
776 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
777 struct sta_priv *pstapriv = &adapter->stapriv;
778 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
780 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n"));
781 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
782 ("tgt_network->network.MacAddress=%pM ssid=%s\n",
783 tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid));
785 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
786 struct sta_info *psta;
788 psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress);
790 spin_lock_bh(&(pstapriv->sta_hash_lock));
791 rtw_free_stainfo(adapter, psta);
792 spin_unlock_bh(&pstapriv->sta_hash_lock);
795 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) {
796 struct sta_info *psta;
798 rtw_free_all_stainfo(adapter);
800 psta = rtw_get_bcmc_stainfo(adapter);
801 spin_lock_bh(&(pstapriv->sta_hash_lock));
802 rtw_free_stainfo(adapter, psta);
803 spin_unlock_bh(&pstapriv->sta_hash_lock);
805 rtw_init_bcmc_stainfo(adapter);
809 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
811 pwlan->fixed = false;
813 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
815 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
816 rtw_free_network_nolock(pmlmepriv, pwlan);
818 pmlmepriv->key_mask = 0;
822 *rtw_indicate_connect: the caller has to lock pmlmepriv->lock
824 void rtw_indicate_connect(struct adapter *padapter)
826 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
828 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n"));
830 pmlmepriv->to_join = false;
832 if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
833 set_fwstate(pmlmepriv, _FW_LINKED);
835 rtw_led_control(padapter, LED_CTL_LINK);
837 rtw_os_indicate_connect(padapter);
840 pmlmepriv->to_roaming = 0;
842 rtw_set_scan_deny(padapter, 3000);
844 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
848 *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
850 void rtw_indicate_disconnect(struct adapter *padapter)
852 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
854 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
856 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
859 if (pmlmepriv->to_roaming > 0)
860 _clr_fwstate_(pmlmepriv, _FW_LINKED);
862 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
863 (pmlmepriv->to_roaming <= 0)) {
864 rtw_os_indicate_disconnect(padapter);
866 _clr_fwstate_(pmlmepriv, _FW_LINKED);
867 rtw_led_control(padapter, LED_CTL_NO_LINK);
868 rtw_clear_scan_deny(padapter);
871 rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1);
874 inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted)
876 rtw_os_indicate_scan_done(padapter, aborted);
879 void rtw_scan_abort(struct adapter *adapter)
882 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
883 struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv);
886 pmlmeext->scan_abort = true;
887 while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) &&
888 rtw_get_passing_time_ms(start) <= 200) {
889 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
891 DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
894 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
895 if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
896 DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
897 rtw_indicate_scan_done(adapter, true);
899 pmlmeext->scan_abort = false;
902 static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork)
905 struct sta_info *bmc_sta, *psta = NULL;
906 struct recv_reorder_ctrl *preorder_ctrl;
907 struct sta_priv *pstapriv = &padapter->stapriv;
909 psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress);
911 psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
913 if (psta) { /* update ptarget_sta */
914 DBG_88E("%s\n", __func__);
915 psta->aid = pnetwork->join_res;
918 rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
919 /* security related */
920 if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
921 padapter->securitypriv.binstallGrpkey = false;
922 padapter->securitypriv.busetkipkey = false;
923 padapter->securitypriv.bgrpkey_handshake = false;
924 psta->ieee8021x_blocked = true;
925 psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
926 memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype));
927 memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype));
928 memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype));
929 memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48));
930 memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48));
933 * Commented by Albert 2012/07/21
934 * When doing the WPS, the wps_ie_len won't equal to 0
935 * And the Wi-Fi driver shouldn't allow the data
936 * packet to be tramsmitted.
938 if (padapter->securitypriv.wps_ie_len != 0) {
939 psta->ieee8021x_blocked = true;
940 padapter->securitypriv.wps_ie_len = 0;
942 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
943 /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */
944 /* todo: check if AP can send A-MPDU packets */
945 for (i = 0; i < 16; i++) {
946 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
947 preorder_ctrl = &psta->recvreorder_ctrl[i];
948 preorder_ctrl->enable = false;
949 preorder_ctrl->indicate_seq = 0xffff;
950 preorder_ctrl->wend_b = 0xffff;
951 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
953 bmc_sta = rtw_get_bcmc_stainfo(padapter);
955 for (i = 0; i < 16; i++) {
956 /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */
957 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
958 preorder_ctrl->enable = false;
959 preorder_ctrl->indicate_seq = 0xffff;
960 preorder_ctrl->wend_b = 0xffff;
961 preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */
965 update_sta_info(padapter, psta);
970 /* pnetwork: returns from rtw_joinbss_event_callback */
971 /* ptarget_wlan: found from scanned_queue */
972 static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork)
974 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
975 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
977 DBG_88E("%s\n", __func__);
979 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
980 ("\nfw_state:%x, BSSID:%pM\n",
981 get_fwstate(pmlmepriv), pnetwork->network.MacAddress));
984 /* why not use ptarget_wlan?? */
985 memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length);
986 /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
987 cur_network->network.IELength = ptarget_wlan->network.IELength;
988 memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
990 cur_network->aid = pnetwork->join_res;
993 rtw_set_signal_stat_timer(&padapter->recvpriv);
994 padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
995 padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
996 /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
997 padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
998 rtw_set_signal_stat_timer(&padapter->recvpriv);
1000 /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
1001 switch (pnetwork->network.InfrastructureMode) {
1002 case Ndis802_11Infrastructure:
1003 if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
1004 pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
1006 pmlmepriv->fw_state = WIFI_STATION_STATE;
1008 case Ndis802_11IBSS:
1009 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
1012 pmlmepriv->fw_state = WIFI_NULL_STATE;
1013 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
1017 rtw_update_protection(padapter, (cur_network->network.IEs) +
1018 sizeof(struct ndis_802_11_fixed_ie),
1019 (cur_network->network.IELength));
1020 rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength);
1023 /* Notes: the function could be > passive_level (the same context as Rx tasklet) */
1024 /* pnetwork: returns from rtw_joinbss_event_callback */
1025 /* ptarget_wlan: found from scanned_queue */
1026 /* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */
1027 /* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */
1028 /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */
1030 void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf)
1032 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
1033 struct sta_priv *pstapriv = &adapter->stapriv;
1034 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1035 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1036 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1037 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
1038 unsigned int the_same_macaddr = false;
1040 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res));
1042 rtw_get_encrypt_decrypt_from_registrypriv(adapter);
1045 if (pmlmepriv->assoc_ssid.SsidLength == 0)
1046 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
1048 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
1050 the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
1052 pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
1053 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
1054 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
1058 spin_lock_bh(&pmlmepriv->lock);
1060 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n"));
1062 if (pnetwork->join_res > 0) {
1063 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1064 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
1065 /* s1. find ptarget_wlan */
1066 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1067 if (the_same_macaddr) {
1068 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1070 pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1072 pcur_wlan->fixed = false;
1074 pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress);
1076 spin_lock_bh(&(pstapriv->sta_hash_lock));
1077 rtw_free_stainfo(adapter, pcur_sta);
1078 spin_unlock_bh(&pstapriv->sta_hash_lock);
1081 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1082 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1084 ptarget_wlan->fixed = true;
1088 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
1089 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1091 ptarget_wlan->fixed = true;
1095 /* s2. update cur_network */
1097 rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
1099 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
1100 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1101 goto ignore_joinbss_callback;
1105 /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
1106 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1107 ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
1108 if (ptarget_sta == NULL) {
1109 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
1110 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1111 goto ignore_joinbss_callback;
1115 /* s4. indicate connect */
1116 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
1117 rtw_indicate_connect(adapter);
1119 /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
1120 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
1123 /* s5. Cancle assoc_timer */
1124 del_timer_sync(&pmlmepriv->assoc_timer);
1126 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancle assoc_timer\n"));
1129 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv)));
1130 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1131 goto ignore_joinbss_callback;
1134 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1136 } else if (pnetwork->join_res == -4) {
1137 rtw_reset_securitypriv(adapter);
1138 mod_timer(&pmlmepriv->assoc_timer,
1139 jiffies + msecs_to_jiffies(1));
1141 if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) {
1142 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
1143 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1145 } else { /* if join_res < 0 (join fails), then try again */
1146 mod_timer(&pmlmepriv->assoc_timer,
1147 jiffies + msecs_to_jiffies(1));
1148 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1151 ignore_joinbss_callback:
1152 spin_unlock_bh(&pmlmepriv->lock);
1155 void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf)
1157 struct wlan_network *pnetwork = (struct wlan_network *)pbuf;
1159 mlmeext_joinbss_event_callback(adapter, pnetwork->join_res);
1161 rtw_os_xmit_schedule(adapter);
1164 static u8 search_max_mac_id(struct adapter *padapter)
1167 #if defined(CONFIG_88EU_AP_MODE)
1169 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
1170 struct sta_priv *pstapriv = &padapter->stapriv;
1172 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1173 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1175 #if defined(CONFIG_88EU_AP_MODE)
1176 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1177 for (aid = (pstapriv->max_num_sta); aid > 0; aid--) {
1178 if (pstapriv->sta_aid[aid-1] != NULL)
1184 {/* adhoc id = 31~2 */
1185 for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
1186 if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
1193 /* FOR AP , AD-HOC mode */
1194 void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta)
1202 macid = search_max_mac_id(adapter);
1203 rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid);
1204 media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */
1205 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1208 void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf)
1210 struct sta_info *psta;
1211 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1212 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
1213 struct wlan_network *cur_network = &(pmlmepriv->cur_network);
1214 struct wlan_network *ptarget_wlan = NULL;
1216 if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false)
1219 #if defined(CONFIG_88EU_AP_MODE)
1220 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1221 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1223 ap_sta_info_defer_update(adapter, psta);
1224 rtw_stassoc_hw_rpt(adapter, psta);
1229 /* for AD-HOC mode */
1230 psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
1232 /* the sta have been in sta_info_queue => do nothing */
1233 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
1234 return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
1236 psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
1238 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
1241 /* to do: init sta_info variable */
1242 psta->qos_option = 0;
1243 psta->mac_id = (uint)pstassoc->cam_id;
1244 DBG_88E("%s\n", __func__);
1245 /* for ad-hoc mode */
1246 rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true);
1247 rtw_stassoc_hw_rpt(adapter, psta);
1248 if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
1249 psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm;
1250 psta->ieee8021x_blocked = false;
1251 spin_lock_bh(&pmlmepriv->lock);
1252 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) ||
1253 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) {
1254 if (adapter->stapriv.asoc_sta_count == 2) {
1255 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1256 ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress);
1258 ptarget_wlan->fixed = true;
1259 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1260 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1261 rtw_indicate_connect(adapter);
1264 spin_unlock_bh(&pmlmepriv->lock);
1265 mlmeext_sta_add_event_callback(adapter, psta);
1268 void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
1271 struct sta_info *psta;
1272 struct wlan_network *pwlan = NULL;
1273 struct wlan_bssid_ex *pdev_network = NULL;
1275 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1276 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
1277 struct sta_priv *pstapriv = &adapter->stapriv;
1278 struct wlan_network *tgt_network = &(pmlmepriv->cur_network);
1280 psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr);
1282 mac_id = psta->mac_id;
1284 mac_id = pstadel->mac_id;
1286 DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr);
1290 media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */
1291 /* for STA, AP, ADHOC mode, report disconnect stauts to FW */
1292 rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status);
1295 if (check_fwstate(pmlmepriv, WIFI_AP_STATE))
1298 mlmeext_sta_del_event_callback(adapter);
1300 spin_lock_bh(&pmlmepriv->lock);
1302 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
1303 if (pmlmepriv->to_roaming > 0)
1304 pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */
1305 else if (pmlmepriv->to_roaming == 0)
1306 pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times;
1308 if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK)
1309 pmlmepriv->to_roaming = 0; /* don't roam */
1311 rtw_free_uc_swdec_pending_queue(adapter);
1313 rtw_free_assoc_resources(adapter);
1314 rtw_indicate_disconnect(adapter);
1315 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1316 /* remove the network entry in scanned_queue */
1317 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1319 pwlan->fixed = false;
1320 rtw_free_network_nolock(pmlmepriv, pwlan);
1322 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1323 _rtw_roaming(adapter, tgt_network);
1325 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
1326 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1327 spin_lock_bh(&(pstapriv->sta_hash_lock));
1328 rtw_free_stainfo(adapter, psta);
1329 spin_unlock_bh(&pstapriv->sta_hash_lock);
1331 if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
1332 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1333 /* free old ibss network */
1334 pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
1336 pwlan->fixed = false;
1337 rtw_free_network_nolock(pmlmepriv, pwlan);
1339 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1340 /* re-create ibss */
1341 pdev_network = &(adapter->registrypriv.dev_network);
1342 pibss = adapter->registrypriv.dev_network.MacAddress;
1344 memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
1346 memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
1348 rtw_update_registrypriv_dev_network(adapter);
1350 rtw_generate_random_ibss(pibss);
1352 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1353 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1354 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1357 if (rtw_createbss_cmd(adapter) != _SUCCESS)
1358 RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n "));
1361 spin_unlock_bh(&pmlmepriv->lock);
1364 void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf)
1366 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n"));
1370 * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
1371 * @adapter: pointer to struct adapter structure
1373 void _rtw_join_timeout_handler (unsigned long data)
1375 struct adapter *adapter = (struct adapter *)data;
1376 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1379 DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv));
1381 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1385 spin_lock_bh(&pmlmepriv->lock);
1387 if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */
1389 pmlmepriv->to_roaming--;
1390 if (pmlmepriv->to_roaming != 0) { /* try another , */
1391 DBG_88E("%s try another roaming\n", __func__);
1392 do_join_r = rtw_do_join(adapter);
1393 if (_SUCCESS != do_join_r) {
1394 DBG_88E("%s roaming do_join return %d\n", __func__, do_join_r);
1399 DBG_88E("%s We've try roaming but fail\n", __func__);
1400 rtw_indicate_disconnect(adapter);
1405 rtw_indicate_disconnect(adapter);
1406 free_scanqueue(pmlmepriv);/* */
1408 spin_unlock_bh(&pmlmepriv->lock);
1412 * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey
1413 * @adapter: pointer to struct adapter structure
1415 void rtw_scan_timeout_handler (unsigned long data)
1417 struct adapter *adapter = (struct adapter *)data;
1418 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1420 DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv));
1421 spin_lock_bh(&pmlmepriv->lock);
1422 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1423 spin_unlock_bh(&pmlmepriv->lock);
1424 rtw_indicate_scan_done(adapter, true);
1427 static void rtw_auto_scan_handler(struct adapter *padapter)
1429 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1431 /* auto site survey per 60sec */
1432 if (pmlmepriv->scan_interval > 0) {
1433 pmlmepriv->scan_interval--;
1434 if (pmlmepriv->scan_interval == 0) {
1435 DBG_88E("%s\n", __func__);
1436 rtw_set_802_11_bssid_list_scan(padapter, NULL, 0);
1437 pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */
1442 void rtw_dynamic_check_timer_handlder(unsigned long data)
1444 struct adapter *adapter = (struct adapter *)data;
1445 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1449 if (!adapter->hw_init_completed)
1451 if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved))
1453 if (adapter->net_closed)
1455 rtw_dynamic_chk_wk_cmd(adapter);
1457 if (pregistrypriv->wifi_spec == 1) {
1458 /* auto site survey */
1459 rtw_auto_scan_handler(adapter);
1462 mod_timer(&adapter->mlmepriv.dynamic_chk_timer,
1463 jiffies + msecs_to_jiffies(2000));
1466 #define RTW_SCAN_RESULT_EXPIRE 2000
1469 * Select a new join candidate from the original @param candidate and @param competitor
1470 * @return true: candidate is updated
1471 * @return false: candidate is not updated
1473 static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv
1474 , struct wlan_network **candidate, struct wlan_network *competitor)
1476 int updated = false;
1477 struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv);
1480 /* check bssid, if needed */
1481 if (pmlmepriv->assoc_by_bssid) {
1482 if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN))
1486 /* check ssid, if needed */
1487 if (pmlmepriv->assoc_ssid.SsidLength) {
1488 if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
1489 !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
1493 if (rtw_is_desired_network(adapter, competitor) == false)
1496 if (pmlmepriv->to_roaming) {
1497 if (rtw_get_passing_time_ms((u32)competitor->last_scanned) >= RTW_SCAN_RESULT_EXPIRE ||
1498 is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
1502 if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) {
1503 *candidate = competitor;
1507 DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n",
1508 pmlmepriv->assoc_by_bssid,
1509 pmlmepriv->assoc_ssid.Ssid,
1510 (*candidate)->network.Ssid.Ssid,
1511 (*candidate)->network.MacAddress,
1512 (int)(*candidate)->network.Rssi);
1513 DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming);
1522 The caller of the sub-routine will be in critical section...
1523 The caller must hold the following spinlock
1527 int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv)
1530 struct list_head *phead;
1531 struct adapter *adapter;
1532 struct __queue *queue = &(pmlmepriv->scanned_queue);
1533 struct wlan_network *pnetwork = NULL;
1534 struct wlan_network *candidate = NULL;
1535 u8 supp_ant_div = false;
1537 spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
1538 phead = get_list_head(queue);
1539 adapter = (struct adapter *)pmlmepriv->nic_hdl;
1540 pmlmepriv->pscanned = phead->next;
1541 while (phead != pmlmepriv->pscanned) {
1542 pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list);
1543 if (pnetwork == NULL) {
1544 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__));
1548 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1549 rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork);
1551 if (candidate == NULL) {
1552 DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__);
1556 DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__,
1557 candidate->network.Ssid.Ssid, candidate->network.MacAddress,
1558 candidate->network.Configuration.DSConfig);
1562 /* check for situation of _FW_LINKED */
1563 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1564 DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
1566 rtw_disassoc_cmd(adapter, 0, true);
1567 rtw_indicate_disconnect(adapter);
1568 rtw_free_assoc_resources_locked(adapter);
1571 rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div));
1574 rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant));
1575 DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n",
1576 (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B",
1577 (2 == cur_ant) ? "A" : "B"
1581 ret = rtw_joinbss_cmd(adapter, candidate);
1584 spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
1588 int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv)
1590 struct cmd_obj *pcmd;
1591 struct setauth_parm *psetauthparm;
1592 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1595 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1597 res = _FAIL; /* try again */
1601 psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
1602 if (psetauthparm == NULL) {
1607 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1608 psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
1609 pcmd->cmdcode = _SetAuth_CMD_;
1610 pcmd->parmbuf = (unsigned char *)psetauthparm;
1611 pcmd->cmdsz = (sizeof(struct setauth_parm));
1614 INIT_LIST_HEAD(&pcmd->list);
1615 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1616 ("after enqueue set_auth_cmd, auth_mode=%x\n",
1617 psecuritypriv->dot11AuthAlgrthm));
1618 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1623 int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx)
1626 struct cmd_obj *pcmd;
1627 struct setkey_parm *psetkeyparm;
1628 struct cmd_priv *pcmdpriv = &(adapter->cmdpriv);
1629 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
1632 pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL);
1634 return _FAIL; /* try again */
1636 psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
1637 if (psetkeyparm == NULL) {
1642 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1644 if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
1645 psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
1646 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1647 ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
1648 psetkeyparm->algorithm));
1650 psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
1651 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1652 ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
1653 psetkeyparm->algorithm));
1655 psetkeyparm->keyid = (u8)keyid;/* 0~3 */
1656 psetkeyparm->set_tx = set_tx;
1657 pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
1658 DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
1659 psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
1660 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1661 ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
1662 psetkeyparm->algorithm, keyid));
1664 switch (psetkeyparm->algorithm) {
1667 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1671 memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
1675 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1676 psetkeyparm->grpkey = 1;
1680 memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
1681 psetkeyparm->grpkey = 1;
1684 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1685 ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
1686 psecuritypriv->dot11PrivacyAlgrthm));
1690 pcmd->cmdcode = _SetKey_CMD_;
1691 pcmd->parmbuf = (u8 *)psetkeyparm;
1692 pcmd->cmdsz = (sizeof(struct setkey_parm));
1695 INIT_LIST_HEAD(&pcmd->list);
1696 res = rtw_enqueue_cmd(pcmdpriv, pcmd);
1706 /* adjust IEs for rtw_joinbss_cmd in WMM */
1707 int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len)
1709 unsigned int ielength = 0;
1712 /* i = 12; after the fixed IE */
1713 for (i = 12; i < in_len; i += (in_ie[i + 1] + 2) /* to the next IE element */) {
1714 ielength = initial_out_len;
1716 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) {
1717 /* WMM element ID and OUI */
1718 /* Append WMM IE to the last index of out_ie */
1720 for (j = i; j < i + 9; j++) {
1721 out_ie[ielength] = in_ie[j];
1724 out_ie[initial_out_len + 1] = 0x07;
1725 out_ie[initial_out_len + 6] = 0x00;
1726 out_ie[initial_out_len + 8] = 0x00;
1734 * Ported from 8185: IsInPreAuthKeyList().
1735 * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
1736 * Added by Annie, 2006-05-07.
1739 * -1 :if there is no pre-auth key in the table
1740 * >= 0 :if there is pre-auth key, and return the entry id
1742 static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
1744 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1748 if ((psecuritypriv->PMKIDList[i].bUsed) &&
1749 (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
1756 } while (i < NUM_PMKID_CACHE);
1758 if (i == NUM_PMKID_CACHE)
1759 i = -1;/* Could not find. */
1765 /* Check the RSN IE length */
1766 /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */
1767 /* 0-11th element in the array are the fixed IE */
1768 /* 12th element in the array is the IE */
1769 /* 13th element in the array is the IE length */
1772 static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len)
1774 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1777 /* The RSN IE didn't include the PMK ID, append the PMK information */
1780 ie[ie_len] = 0; /* PMKID count = 0x0100 */
1782 memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1785 ie[13] += 18;/* PMKID length = 2+16 */
1790 int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len)
1796 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1797 struct security_priv *psecuritypriv = &adapter->securitypriv;
1798 uint ndisauthmode = psecuritypriv->ndisauthtype;
1799 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1801 RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_,
1802 ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
1803 ndisauthmode, ndissecuritytype));
1805 /* copy fixed ie only */
1806 memcpy(out_ie, in_ie, 12);
1808 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1809 (ndisauthmode == Ndis802_11AuthModeWPAPSK))
1810 authmode = _WPA_IE_ID_;
1811 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1812 (ndisauthmode == Ndis802_11AuthModeWPA2PSK))
1813 authmode = _WPA2_IE_ID_;
1815 if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) {
1816 memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len);
1818 ielength += psecuritypriv->wps_ie_len;
1819 } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1820 /* copy RSN or SSN */
1821 memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2);
1822 ielength += psecuritypriv->supplicant_ie[1]+2;
1823 rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie);
1826 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1830 if (authmode == _WPA2_IE_ID_)
1831 ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
1836 void rtw_init_registrypriv_dev_network(struct adapter *adapter)
1838 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1839 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1840 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1841 u8 *myhwaddr = myid(peepriv);
1843 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1845 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
1847 pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config);
1848 pdev_network->Configuration.BeaconPeriod = 100;
1849 pdev_network->Configuration.FHConfig.Length = 0;
1850 pdev_network->Configuration.FHConfig.HopPattern = 0;
1851 pdev_network->Configuration.FHConfig.HopSet = 0;
1852 pdev_network->Configuration.FHConfig.DwellTime = 0;
1855 void rtw_update_registrypriv_dev_network(struct adapter *adapter)
1858 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1859 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1860 struct security_priv *psecuritypriv = &adapter->securitypriv;
1861 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1863 pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */
1865 pdev_network->Rssi = 0;
1867 switch (pregistrypriv->wireless_mode) {
1869 pdev_network->NetworkTypeInUse = (Ndis802_11DS);
1873 case WIRELESS_11_24N:
1874 case WIRELESS_11G_24N:
1875 case WIRELESS_11BG_24N:
1876 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1879 case WIRELESS_11A_5N:
1880 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1882 case WIRELESS_11ABGN:
1883 if (pregistrypriv->channel > 14)
1884 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
1886 pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
1893 pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
1894 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1895 ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
1896 pregistrypriv->channel, pdev_network->Configuration.DSConfig));
1898 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1899 pdev_network->Configuration.ATIMWindow = (0);
1901 pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
1903 /* 1. Supported rates */
1906 sz = rtw_generate_ie(pregistrypriv);
1907 pdev_network->IELength = sz;
1908 pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
1910 /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
1911 /* pdev_network->IELength = cpu_to_le32(sz); */
1914 void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter)
1918 /* the function is at passive_level */
1919 void rtw_joinbss_reset(struct adapter *padapter)
1922 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1923 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1925 /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */
1926 pmlmepriv->num_FortyMHzIntolerant = 0;
1928 pmlmepriv->num_sta_no_ht = 0;
1930 phtpriv->ampdu_enable = false;/* reset to disabled */
1932 /* TH = 1 => means that invalidate usb rx aggregation */
1933 /* TH = 0 => means that validate usb rx aggregation, use init value. */
1934 if (phtpriv->ht_option) {
1935 if (padapter->registrypriv.wifi_spec == 1)
1939 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1942 rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold));
1946 /* the function is >= passive_level */
1947 unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len)
1950 enum ht_cap_ampdu_factor max_rx_ampdu_factor;
1952 struct rtw_ieee80211_ht_cap ht_capie;
1953 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1954 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1955 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1956 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1957 u32 rx_packet_offset, max_recvbuf_sz;
1960 phtpriv->ht_option = false;
1962 p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1964 if (p && ielen > 0) {
1965 if (pqospriv->qos_option == 0) {
1966 out_len = *pout_len;
1967 rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_,
1968 _WMM_IE_Length_, WMM_IE, pout_len);
1970 pqospriv->qos_option = 1;
1973 out_len = *pout_len;
1975 memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
1977 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1978 IEEE80211_HT_CAP_SGI_20 |
1979 IEEE80211_HT_CAP_SGI_40 |
1980 IEEE80211_HT_CAP_TX_STBC |
1981 IEEE80211_HT_CAP_DSSSCCK40;
1983 rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset);
1984 rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz);
1987 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1988 AMPDU_para [4:2]:Min MPDU Start Spacing
1991 rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
1992 ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
1994 if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
1995 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
1997 ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
2000 rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
2001 sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
2003 phtpriv->ht_option = true;
2005 p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
2006 if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
2007 out_len = *pout_len;
2008 rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len);
2011 return phtpriv->ht_option;
2014 /* the function is > passive_level (in critical_section) */
2015 void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
2017 u8 *p, max_ampdu_sz;
2019 struct rtw_ieee80211_ht_cap *pht_capie;
2020 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2021 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
2022 struct registry_priv *pregistrypriv = &padapter->registrypriv;
2023 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
2024 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
2026 if (!phtpriv->ht_option)
2029 if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable))
2032 DBG_88E("+rtw_update_ht_cap()\n");
2034 /* maybe needs check if ap supports rx ampdu. */
2035 if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) {
2036 if (pregistrypriv->wifi_spec == 1)
2037 phtpriv->ampdu_enable = false;
2039 phtpriv->ampdu_enable = true;
2040 } else if (pregistrypriv->ampdu_enable == 2) {
2041 phtpriv->ampdu_enable = true;
2045 /* check Max Rx A-MPDU Size */
2047 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));
2049 pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
2050 max_ampdu_sz = pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
2051 max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
2052 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
2055 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));
2057 /* update cur_bwmode & cur_ch_offset */
2058 if ((pregistrypriv->cbw40_enable) &&
2059 (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) &&
2060 (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
2064 padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
2066 /* update the MCS rates */
2067 for (i = 0; i < 16; i++) {
2068 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
2069 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
2071 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
2073 /* switch to the 40M Hz mode according to the AP */
2074 pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40;
2075 switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) {
2076 case HT_EXTCHNL_OFFSET_UPPER:
2077 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
2079 case HT_EXTCHNL_OFFSET_LOWER:
2080 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
2083 pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
2088 /* Config SM Power Save setting */
2089 pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
2090 if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
2091 DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
2093 /* Config current HT Protection mode. */
2094 pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
2097 void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
2101 struct sta_info *psta = NULL;
2102 struct ht_priv *phtpriv;
2103 struct pkt_attrib *pattrib = &pxmitframe->attrib;
2104 s32 bmcst = IS_MCAST(pattrib->ra);
2106 if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
2109 priority = pattrib->priority;
2112 psta = pattrib->psta;
2114 psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
2119 phtpriv = &psta->htpriv;
2121 if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
2122 issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
2123 issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
2126 DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
2127 psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
2128 rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra);
2133 void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2135 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2137 spin_lock_bh(&pmlmepriv->lock);
2138 _rtw_roaming(padapter, tgt_network);
2139 spin_unlock_bh(&pmlmepriv->lock);
2141 void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network)
2143 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
2146 struct wlan_network *pnetwork;
2148 if (tgt_network != NULL)
2149 pnetwork = tgt_network;
2151 pnetwork = &pmlmepriv->cur_network;
2153 if (0 < pmlmepriv->to_roaming) {
2154 DBG_88E("roaming from %s(%pM length:%d\n",
2155 pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
2156 pnetwork->network.Ssid.SsidLength);
2157 memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid));
2159 pmlmepriv->assoc_by_bssid = false;
2162 do_join_r = rtw_do_join(padapter);
2163 if (_SUCCESS == do_join_r) {
2166 DBG_88E("roaming do_join return %d\n", do_join_r);
2167 pmlmepriv->to_roaming--;
2169 if (0 < pmlmepriv->to_roaming) {
2172 DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
2173 rtw_indicate_disconnect(padapter);