2 * SME code for cfg80211's connect emulation.
4 * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (C) 2009 Intel Corporation. All rights reserved.
8 #include <linux/etherdevice.h>
9 #include <linux/if_arp.h>
10 #include <linux/workqueue.h>
11 #include <linux/wireless.h>
12 #include <net/iw_handler.h>
13 #include <net/cfg80211.h>
14 #include <net/rtnetlink.h>
18 struct cfg80211_conn {
19 struct cfg80211_connect_params params;
20 /* these are sub-states of the _CONNECTING sme_state */
23 CFG80211_CONN_SCANNING,
24 CFG80211_CONN_SCAN_AGAIN,
25 CFG80211_CONN_AUTHENTICATE_NEXT,
26 CFG80211_CONN_AUTHENTICATING,
27 CFG80211_CONN_ASSOCIATE_NEXT,
28 CFG80211_CONN_ASSOCIATING,
37 static int cfg80211_conn_scan(struct wireless_dev *wdev)
39 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
40 struct cfg80211_scan_request *request;
44 ASSERT_RDEV_LOCK(rdev);
45 ASSERT_WDEV_LOCK(wdev);
50 if (wdev->conn->params.channel) {
53 enum ieee80211_band band;
56 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
57 if (!wdev->wiphy->bands[band])
59 n_channels += wdev->wiphy->bands[band]->n_channels;
62 request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) +
63 sizeof(request->channels[0]) * n_channels,
68 request->channels = (void *)((char *)request + sizeof(*request));
69 if (wdev->conn->params.channel)
70 request->channels[0] = wdev->conn->params.channel;
73 enum ieee80211_band band;
75 for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
76 if (!wdev->wiphy->bands[band])
78 for (j = 0; j < wdev->wiphy->bands[band]->n_channels;
80 request->channels[i] =
81 &wdev->wiphy->bands[band]->channels[j];
84 request->n_channels = n_channels;
85 request->ssids = (void *)(request->channels + n_channels);
88 memcpy(request->ssids[0].ssid, wdev->conn->params.ssid,
89 wdev->conn->params.ssid_len);
90 request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
92 request->dev = wdev->netdev;
93 request->wiphy = &rdev->wiphy;
95 rdev->scan_req = request;
97 err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request);
99 wdev->conn->state = CFG80211_CONN_SCANNING;
100 nl80211_send_scan_start(rdev, wdev->netdev);
101 dev_hold(wdev->netdev);
103 rdev->scan_req = NULL;
109 static int cfg80211_conn_do_work(struct wireless_dev *wdev)
111 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
112 struct cfg80211_connect_params *params;
115 ASSERT_WDEV_LOCK(wdev);
120 params = &wdev->conn->params;
122 switch (wdev->conn->state) {
123 case CFG80211_CONN_SCAN_AGAIN:
124 return cfg80211_conn_scan(wdev);
125 case CFG80211_CONN_AUTHENTICATE_NEXT:
126 BUG_ON(!rdev->ops->auth);
127 wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
128 return __cfg80211_mlme_auth(rdev, wdev->netdev,
129 params->channel, params->auth_type,
131 params->ssid, params->ssid_len,
133 params->key, params->key_len,
135 case CFG80211_CONN_ASSOCIATE_NEXT:
136 BUG_ON(!rdev->ops->assoc);
137 wdev->conn->state = CFG80211_CONN_ASSOCIATING;
139 * We could, later, implement roaming here and then actually
140 * set prev_bssid to non-NULL. But then we need to be aware
141 * that some APs don't like that -- so we'd need to retry
144 err = __cfg80211_mlme_assoc(rdev, wdev->netdev,
145 params->channel, params->bssid,
147 params->ssid, params->ssid_len,
148 params->ie, params->ie_len,
149 false, ¶ms->crypto);
151 __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
153 WLAN_REASON_DEAUTH_LEAVING);
160 void cfg80211_conn_work(struct work_struct *work)
162 struct cfg80211_registered_device *rdev =
163 container_of(work, struct cfg80211_registered_device, conn_work);
164 struct wireless_dev *wdev;
167 cfg80211_lock_rdev(rdev);
168 mutex_lock(&rdev->devlist_mtx);
170 list_for_each_entry(wdev, &rdev->netdev_list, list) {
172 if (!netif_running(wdev->netdev)) {
176 if (wdev->sme_state != CFG80211_SME_CONNECTING) {
180 if (cfg80211_conn_do_work(wdev))
181 __cfg80211_connect_result(
183 wdev->conn->params.bssid,
185 WLAN_STATUS_UNSPECIFIED_FAILURE,
190 mutex_unlock(&rdev->devlist_mtx);
191 cfg80211_unlock_rdev(rdev);
195 static bool cfg80211_get_conn_bss(struct wireless_dev *wdev)
197 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
198 struct cfg80211_bss *bss;
199 u16 capa = WLAN_CAPABILITY_ESS;
201 ASSERT_WDEV_LOCK(wdev);
203 if (wdev->conn->params.privacy)
204 capa |= WLAN_CAPABILITY_PRIVACY;
206 bss = cfg80211_get_bss(wdev->wiphy, NULL, wdev->conn->params.bssid,
207 wdev->conn->params.ssid,
208 wdev->conn->params.ssid_len,
209 WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY,
214 memcpy(wdev->conn->bssid, bss->bssid, ETH_ALEN);
215 wdev->conn->params.bssid = wdev->conn->bssid;
216 wdev->conn->params.channel = bss->channel;
217 wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
218 schedule_work(&rdev->conn_work);
220 cfg80211_put_bss(bss);
224 static void __cfg80211_sme_scan_done(struct net_device *dev)
226 struct wireless_dev *wdev = dev->ieee80211_ptr;
227 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
229 ASSERT_WDEV_LOCK(wdev);
231 if (wdev->sme_state != CFG80211_SME_CONNECTING)
237 if (wdev->conn->state != CFG80211_CONN_SCANNING &&
238 wdev->conn->state != CFG80211_CONN_SCAN_AGAIN)
241 if (!cfg80211_get_conn_bss(wdev)) {
243 if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)
244 schedule_work(&rdev->conn_work);
246 __cfg80211_connect_result(
248 wdev->conn->params.bssid,
250 WLAN_STATUS_UNSPECIFIED_FAILURE,
255 void cfg80211_sme_scan_done(struct net_device *dev)
257 struct wireless_dev *wdev = dev->ieee80211_ptr;
260 __cfg80211_sme_scan_done(dev);
264 void cfg80211_sme_rx_auth(struct net_device *dev,
265 const u8 *buf, size_t len)
267 struct wireless_dev *wdev = dev->ieee80211_ptr;
268 struct wiphy *wiphy = wdev->wiphy;
269 struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy);
270 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
271 u16 status_code = le16_to_cpu(mgmt->u.auth.status_code);
273 ASSERT_WDEV_LOCK(wdev);
275 /* should only RX auth frames when connecting */
276 if (wdev->sme_state != CFG80211_SME_CONNECTING)
279 if (WARN_ON(!wdev->conn))
282 if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
283 wdev->conn->auto_auth &&
284 wdev->conn->params.auth_type != NL80211_AUTHTYPE_NETWORK_EAP) {
285 /* select automatically between only open, shared, leap */
286 switch (wdev->conn->params.auth_type) {
287 case NL80211_AUTHTYPE_OPEN_SYSTEM:
288 if (wdev->connect_keys)
289 wdev->conn->params.auth_type =
290 NL80211_AUTHTYPE_SHARED_KEY;
292 wdev->conn->params.auth_type =
293 NL80211_AUTHTYPE_NETWORK_EAP;
295 case NL80211_AUTHTYPE_SHARED_KEY:
296 wdev->conn->params.auth_type =
297 NL80211_AUTHTYPE_NETWORK_EAP;
301 wdev->conn->params.auth_type =
302 NL80211_AUTHTYPE_OPEN_SYSTEM;
305 wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
306 schedule_work(&rdev->conn_work);
307 } else if (status_code != WLAN_STATUS_SUCCESS) {
308 __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0,
309 status_code, false, NULL);
310 } else if (wdev->sme_state == CFG80211_SME_CONNECTING &&
311 wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
312 wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
313 schedule_work(&rdev->conn_work);
317 void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
318 const u8 *req_ie, size_t req_ie_len,
319 const u8 *resp_ie, size_t resp_ie_len,
320 u16 status, bool wextev,
321 struct cfg80211_bss *bss)
323 struct wireless_dev *wdev = dev->ieee80211_ptr;
325 #ifdef CONFIG_WIRELESS_EXT
326 union iwreq_data wrqu;
329 ASSERT_WDEV_LOCK(wdev);
331 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
334 if (wdev->sme_state == CFG80211_SME_CONNECTED)
335 nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), dev,
336 bssid, req_ie, req_ie_len,
337 resp_ie, resp_ie_len, GFP_KERNEL);
339 nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev,
340 bssid, req_ie, req_ie_len,
341 resp_ie, resp_ie_len,
344 #ifdef CONFIG_WIRELESS_EXT
346 if (req_ie && status == WLAN_STATUS_SUCCESS) {
347 memset(&wrqu, 0, sizeof(wrqu));
348 wrqu.data.length = req_ie_len;
349 wireless_send_event(dev, IWEVASSOCREQIE, &wrqu, req_ie);
352 if (resp_ie && status == WLAN_STATUS_SUCCESS) {
353 memset(&wrqu, 0, sizeof(wrqu));
354 wrqu.data.length = resp_ie_len;
355 wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie);
358 memset(&wrqu, 0, sizeof(wrqu));
359 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
360 if (bssid && status == WLAN_STATUS_SUCCESS)
361 memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
362 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
366 if (wdev->current_bss) {
367 cfg80211_unhold_bss(wdev->current_bss);
368 cfg80211_put_bss(&wdev->current_bss->pub);
369 wdev->current_bss = NULL;
372 if (status == WLAN_STATUS_SUCCESS &&
373 wdev->sme_state == CFG80211_SME_IDLE)
376 if (wdev->sme_state != CFG80211_SME_CONNECTING)
380 wdev->conn->state = CFG80211_CONN_IDLE;
382 if (status != WLAN_STATUS_SUCCESS) {
383 wdev->sme_state = CFG80211_SME_IDLE;
386 kfree(wdev->connect_keys);
387 wdev->connect_keys = NULL;
393 bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
394 wdev->ssid, wdev->ssid_len,
396 WLAN_CAPABILITY_ESS);
401 cfg80211_hold_bss(bss_from_pub(bss));
402 wdev->current_bss = bss_from_pub(bss);
404 wdev->sme_state = CFG80211_SME_CONNECTED;
405 cfg80211_upload_connect_keys(wdev);
407 country_ie = (u8 *) ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
413 * ieee80211_bss_get_ie() ensures we can access:
414 * - country_ie + 2, the start of the country ie data, and
415 * - and country_ie[1] which is the IE length
417 regulatory_hint_11d(wdev->wiphy,
422 void cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
423 const u8 *req_ie, size_t req_ie_len,
424 const u8 *resp_ie, size_t resp_ie_len,
425 u16 status, gfp_t gfp)
427 struct wireless_dev *wdev = dev->ieee80211_ptr;
428 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
429 struct cfg80211_event *ev;
432 ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp);
436 ev->type = EVENT_CONNECT_RESULT;
437 memcpy(ev->cr.bssid, bssid, ETH_ALEN);
438 ev->cr.req_ie = ((u8 *)ev) + sizeof(*ev);
439 ev->cr.req_ie_len = req_ie_len;
440 memcpy((void *)ev->cr.req_ie, req_ie, req_ie_len);
441 ev->cr.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len;
442 ev->cr.resp_ie_len = resp_ie_len;
443 memcpy((void *)ev->cr.resp_ie, resp_ie, resp_ie_len);
444 ev->cr.status = status;
446 spin_lock_irqsave(&wdev->event_lock, flags);
447 list_add_tail(&ev->list, &wdev->event_list);
448 spin_unlock_irqrestore(&wdev->event_lock, flags);
449 schedule_work(&rdev->event_work);
451 EXPORT_SYMBOL(cfg80211_connect_result);
453 void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
454 const u8 *req_ie, size_t req_ie_len,
455 const u8 *resp_ie, size_t resp_ie_len)
457 struct cfg80211_bss *bss;
458 #ifdef CONFIG_WIRELESS_EXT
459 union iwreq_data wrqu;
462 ASSERT_WDEV_LOCK(wdev);
464 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
467 if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
470 /* internal error -- how did we get to CONNECTED w/o BSS? */
471 if (WARN_ON(!wdev->current_bss)) {
475 cfg80211_unhold_bss(wdev->current_bss);
476 cfg80211_put_bss(&wdev->current_bss->pub);
477 wdev->current_bss = NULL;
479 bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid,
480 wdev->ssid, wdev->ssid_len,
481 WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
486 cfg80211_hold_bss(bss_from_pub(bss));
487 wdev->current_bss = bss_from_pub(bss);
489 nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bssid,
490 req_ie, req_ie_len, resp_ie, resp_ie_len,
493 #ifdef CONFIG_WIRELESS_EXT
495 memset(&wrqu, 0, sizeof(wrqu));
496 wrqu.data.length = req_ie_len;
497 wireless_send_event(wdev->netdev, IWEVASSOCREQIE,
502 memset(&wrqu, 0, sizeof(wrqu));
503 wrqu.data.length = resp_ie_len;
504 wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
508 memset(&wrqu, 0, sizeof(wrqu));
509 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
510 memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN);
511 wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
515 void cfg80211_roamed(struct net_device *dev, const u8 *bssid,
516 const u8 *req_ie, size_t req_ie_len,
517 const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp)
519 struct wireless_dev *wdev = dev->ieee80211_ptr;
520 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
521 struct cfg80211_event *ev;
524 ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp);
528 ev->type = EVENT_ROAMED;
529 memcpy(ev->rm.bssid, bssid, ETH_ALEN);
530 ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev);
531 ev->rm.req_ie_len = req_ie_len;
532 memcpy((void *)ev->rm.req_ie, req_ie, req_ie_len);
533 ev->rm.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len;
534 ev->rm.resp_ie_len = resp_ie_len;
535 memcpy((void *)ev->rm.resp_ie, resp_ie, resp_ie_len);
537 spin_lock_irqsave(&wdev->event_lock, flags);
538 list_add_tail(&ev->list, &wdev->event_list);
539 spin_unlock_irqrestore(&wdev->event_lock, flags);
540 schedule_work(&rdev->event_work);
542 EXPORT_SYMBOL(cfg80211_roamed);
544 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
545 size_t ie_len, u16 reason, bool from_ap)
547 struct wireless_dev *wdev = dev->ieee80211_ptr;
548 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
550 #ifdef CONFIG_WIRELESS_EXT
551 union iwreq_data wrqu;
554 ASSERT_WDEV_LOCK(wdev);
556 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION))
559 if (WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED))
562 if (wdev->current_bss) {
563 cfg80211_unhold_bss(wdev->current_bss);
564 cfg80211_put_bss(&wdev->current_bss->pub);
567 wdev->current_bss = NULL;
568 wdev->sme_state = CFG80211_SME_IDLE;
571 kfree(wdev->conn->ie);
572 wdev->conn->ie = NULL;
577 nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
580 * Delete all the keys ... pairwise keys can't really
581 * exist any more anyway, but default keys might.
583 if (rdev->ops->del_key)
584 for (i = 0; i < 6; i++)
585 rdev->ops->del_key(wdev->wiphy, dev, i, NULL);
587 #ifdef CONFIG_WIRELESS_EXT
588 memset(&wrqu, 0, sizeof(wrqu));
589 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
590 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
594 void cfg80211_disconnected(struct net_device *dev, u16 reason,
595 u8 *ie, size_t ie_len, gfp_t gfp)
597 struct wireless_dev *wdev = dev->ieee80211_ptr;
598 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
599 struct cfg80211_event *ev;
602 ev = kzalloc(sizeof(*ev) + ie_len, gfp);
606 ev->type = EVENT_DISCONNECTED;
607 ev->dc.ie = ((u8 *)ev) + sizeof(*ev);
608 ev->dc.ie_len = ie_len;
609 memcpy((void *)ev->dc.ie, ie, ie_len);
610 ev->dc.reason = reason;
612 spin_lock_irqsave(&wdev->event_lock, flags);
613 list_add_tail(&ev->list, &wdev->event_list);
614 spin_unlock_irqrestore(&wdev->event_lock, flags);
615 schedule_work(&rdev->event_work);
617 EXPORT_SYMBOL(cfg80211_disconnected);
619 int __cfg80211_connect(struct cfg80211_registered_device *rdev,
620 struct net_device *dev,
621 struct cfg80211_connect_params *connect,
622 struct cfg80211_cached_keys *connkeys)
624 struct wireless_dev *wdev = dev->ieee80211_ptr;
627 ASSERT_WDEV_LOCK(wdev);
629 if (wdev->sme_state != CFG80211_SME_IDLE)
632 if (WARN_ON(wdev->connect_keys)) {
633 kfree(wdev->connect_keys);
634 wdev->connect_keys = NULL;
637 if (connkeys && connkeys->def >= 0) {
641 /* If given a WEP key we may need it for shared key auth */
642 if (connkeys->params[idx].cipher == WLAN_CIPHER_SUITE_WEP40 ||
643 connkeys->params[idx].cipher == WLAN_CIPHER_SUITE_WEP104) {
644 connect->key_idx = idx;
645 connect->key = connkeys->params[idx].key;
646 connect->key_len = connkeys->params[idx].key_len;
650 if (!rdev->ops->connect) {
651 if (!rdev->ops->auth || !rdev->ops->assoc)
654 if (WARN_ON(wdev->conn))
657 wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
662 * Copy all parameters, and treat explicitly IEs, BSSID, SSID.
664 memcpy(&wdev->conn->params, connect, sizeof(*connect));
665 if (connect->bssid) {
666 wdev->conn->params.bssid = wdev->conn->bssid;
667 memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN);
671 wdev->conn->ie = kmemdup(connect->ie, connect->ie_len,
673 wdev->conn->params.ie = wdev->conn->ie;
674 if (!wdev->conn->ie) {
681 if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
682 wdev->conn->auto_auth = true;
683 /* start with open system ... should mostly work */
684 wdev->conn->params.auth_type =
685 NL80211_AUTHTYPE_OPEN_SYSTEM;
687 wdev->conn->auto_auth = false;
690 memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
691 wdev->ssid_len = connect->ssid_len;
692 wdev->conn->params.ssid = wdev->ssid;
693 wdev->conn->params.ssid_len = connect->ssid_len;
695 /* don't care about result -- but fill bssid & channel */
696 if (!wdev->conn->params.bssid || !wdev->conn->params.channel)
697 cfg80211_get_conn_bss(wdev);
699 wdev->sme_state = CFG80211_SME_CONNECTING;
700 wdev->connect_keys = connkeys;
702 /* we're good if we have both BSSID and channel */
703 if (wdev->conn->params.bssid && wdev->conn->params.channel) {
704 wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
705 err = cfg80211_conn_do_work(wdev);
707 /* otherwise we'll need to scan for the AP first */
708 err = cfg80211_conn_scan(wdev);
710 * If we can't scan right now, then we need to scan again
711 * after the current scan finished, since the parameters
712 * changed (unless we find a good AP anyway).
716 wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
722 wdev->sme_state = CFG80211_SME_IDLE;
723 wdev->connect_keys = NULL;
728 wdev->sme_state = CFG80211_SME_CONNECTING;
729 wdev->connect_keys = connkeys;
730 err = rdev->ops->connect(&rdev->wiphy, dev, connect);
732 wdev->connect_keys = NULL;
733 wdev->sme_state = CFG80211_SME_IDLE;
737 memcpy(wdev->ssid, connect->ssid, connect->ssid_len);
738 wdev->ssid_len = connect->ssid_len;
744 int cfg80211_connect(struct cfg80211_registered_device *rdev,
745 struct net_device *dev,
746 struct cfg80211_connect_params *connect,
747 struct cfg80211_cached_keys *connkeys)
751 wdev_lock(dev->ieee80211_ptr);
752 err = __cfg80211_connect(rdev, dev, connect, connkeys);
753 wdev_unlock(dev->ieee80211_ptr);
758 int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
759 struct net_device *dev, u16 reason, bool wextev)
761 struct wireless_dev *wdev = dev->ieee80211_ptr;
764 ASSERT_WDEV_LOCK(wdev);
766 if (wdev->sme_state == CFG80211_SME_IDLE)
769 kfree(wdev->connect_keys);
770 wdev->connect_keys = NULL;
772 if (!rdev->ops->disconnect) {
773 if (!rdev->ops->deauth)
776 /* was it connected by userspace SME? */
778 cfg80211_mlme_down(rdev, dev);
782 if (wdev->sme_state == CFG80211_SME_CONNECTING &&
783 (wdev->conn->state == CFG80211_CONN_SCANNING ||
784 wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) {
785 wdev->sme_state = CFG80211_SME_IDLE;
791 /* wdev->conn->params.bssid must be set if > SCANNING */
792 err = __cfg80211_mlme_deauth(rdev, dev,
793 wdev->conn->params.bssid,
798 err = rdev->ops->disconnect(&rdev->wiphy, dev, reason);
803 if (wdev->sme_state == CFG80211_SME_CONNECTED)
804 __cfg80211_disconnected(dev, NULL, 0, 0, false);
805 else if (wdev->sme_state == CFG80211_SME_CONNECTING)
806 __cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0,
807 WLAN_STATUS_UNSPECIFIED_FAILURE,
813 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
814 struct net_device *dev,
815 u16 reason, bool wextev)
819 wdev_lock(dev->ieee80211_ptr);
820 err = __cfg80211_disconnect(rdev, dev, reason, wextev);
821 wdev_unlock(dev->ieee80211_ptr);
826 void cfg80211_sme_disassoc(struct net_device *dev, int idx)
828 struct wireless_dev *wdev = dev->ieee80211_ptr;
829 struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
832 ASSERT_WDEV_LOCK(wdev);
837 if (wdev->conn->state == CFG80211_CONN_IDLE)
841 * Ok, so the association was made by this SME -- we don't
842 * want it any more so deauthenticate too.
845 if (!wdev->auth_bsses[idx])
848 memcpy(bssid, wdev->auth_bsses[idx]->pub.bssid, ETH_ALEN);
849 if (__cfg80211_mlme_deauth(rdev, dev, bssid,
850 NULL, 0, WLAN_REASON_DEAUTH_LEAVING)) {
851 /* whatever -- assume gone anyway */
852 cfg80211_unhold_bss(wdev->auth_bsses[idx]);
853 cfg80211_put_bss(&wdev->auth_bsses[idx]->pub);
854 wdev->auth_bsses[idx] = NULL;