1 // SPDX-License-Identifier: GPL-2.0
3 * SME code for cfg80211
4 * both driver SME event handling and the SME implementation
5 * (for nl80211's connect() and wext)
7 * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
8 * Copyright (C) 2009, 2020, 2022 Intel Corporation. All rights reserved.
9 * Copyright 2017 Intel Deutschland GmbH
12 #include <linux/etherdevice.h>
13 #include <linux/if_arp.h>
14 #include <linux/slab.h>
15 #include <linux/workqueue.h>
16 #include <linux/wireless.h>
17 #include <linux/export.h>
18 #include <net/iw_handler.h>
19 #include <net/cfg80211.h>
20 #include <net/rtnetlink.h>
26 * Software SME in cfg80211, using auth/assoc/deauth calls to the
27 * driver. This is for implementing nl80211's connect/disconnect
28 * and wireless extensions (if configured.)
31 struct cfg80211_conn {
32 struct cfg80211_connect_params params;
33 /* these are sub-states of the _CONNECTING sme_state */
35 CFG80211_CONN_SCANNING,
36 CFG80211_CONN_SCAN_AGAIN,
37 CFG80211_CONN_AUTHENTICATE_NEXT,
38 CFG80211_CONN_AUTHENTICATING,
39 CFG80211_CONN_AUTH_FAILED_TIMEOUT,
40 CFG80211_CONN_ASSOCIATE_NEXT,
41 CFG80211_CONN_ASSOCIATING,
42 CFG80211_CONN_ASSOC_FAILED,
43 CFG80211_CONN_ASSOC_FAILED_TIMEOUT,
45 CFG80211_CONN_ABANDON,
46 CFG80211_CONN_CONNECTED,
48 u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN];
51 bool auto_auth, prev_bssid_valid;
54 static void cfg80211_sme_free(struct wireless_dev *wdev)
59 kfree(wdev->conn->ie);
64 static int cfg80211_conn_scan(struct wireless_dev *wdev)
66 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
67 struct cfg80211_scan_request *request;
70 ASSERT_WDEV_LOCK(wdev);
72 if (rdev->scan_req || rdev->scan_msg)
75 if (wdev->conn->params.channel)
78 n_channels = ieee80211_get_num_supported_channels(wdev->wiphy);
80 request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) +
81 sizeof(request->channels[0]) * n_channels,
86 if (wdev->conn->params.channel) {
87 enum nl80211_band band = wdev->conn->params.channel->band;
88 struct ieee80211_supported_band *sband =
89 wdev->wiphy->bands[band];
95 request->channels[0] = wdev->conn->params.channel;
96 request->rates[band] = (1 << sband->n_bitrates) - 1;
99 enum nl80211_band band;
100 struct ieee80211_supported_band *bands;
101 struct ieee80211_channel *channel;
103 for (band = 0; band < NUM_NL80211_BANDS; band++) {
104 bands = wdev->wiphy->bands[band];
107 for (j = 0; j < bands->n_channels; j++) {
108 channel = &bands->channels[j];
109 if (channel->flags & IEEE80211_CHAN_DISABLED)
111 request->channels[i++] = channel;
113 request->rates[band] = (1 << bands->n_bitrates) - 1;
117 request->n_channels = n_channels;
118 request->ssids = (void *)&request->channels[n_channels];
119 request->n_ssids = 1;
121 memcpy(request->ssids[0].ssid, wdev->conn->params.ssid,
122 wdev->conn->params.ssid_len);
123 request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
125 eth_broadcast_addr(request->bssid);
127 request->wdev = wdev;
128 request->wiphy = &rdev->wiphy;
129 request->scan_start = jiffies;
131 rdev->scan_req = request;
133 err = rdev_scan(rdev, request);
135 wdev->conn->state = CFG80211_CONN_SCANNING;
136 nl80211_send_scan_start(rdev, wdev);
137 dev_hold(wdev->netdev);
139 rdev->scan_req = NULL;
145 static int cfg80211_conn_do_work(struct wireless_dev *wdev,
146 enum nl80211_timeout_reason *treason)
148 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
149 struct cfg80211_connect_params *params;
150 struct cfg80211_auth_request auth_req = {};
151 struct cfg80211_assoc_request req = {};
154 ASSERT_WDEV_LOCK(wdev);
159 params = &wdev->conn->params;
161 switch (wdev->conn->state) {
162 case CFG80211_CONN_SCANNING:
163 /* didn't find it during scan ... */
165 case CFG80211_CONN_SCAN_AGAIN:
166 return cfg80211_conn_scan(wdev);
167 case CFG80211_CONN_AUTHENTICATE_NEXT:
168 if (WARN_ON(!rdev->ops->auth))
170 wdev->conn->state = CFG80211_CONN_AUTHENTICATING;
171 auth_req.key = params->key;
172 auth_req.key_len = params->key_len;
173 auth_req.key_idx = params->key_idx;
174 auth_req.auth_type = params->auth_type;
175 auth_req.bss = cfg80211_get_bss(&rdev->wiphy, params->channel,
177 params->ssid, params->ssid_len,
178 IEEE80211_BSS_TYPE_ESS,
179 IEEE80211_PRIVACY_ANY);
180 auth_req.link_id = -1;
181 err = cfg80211_mlme_auth(rdev, wdev->netdev, &auth_req);
182 cfg80211_put_bss(&rdev->wiphy, auth_req.bss);
184 case CFG80211_CONN_AUTH_FAILED_TIMEOUT:
185 *treason = NL80211_TIMEOUT_AUTH;
187 case CFG80211_CONN_ASSOCIATE_NEXT:
188 if (WARN_ON(!rdev->ops->assoc))
190 wdev->conn->state = CFG80211_CONN_ASSOCIATING;
191 if (wdev->conn->prev_bssid_valid)
192 req.prev_bssid = wdev->conn->prev_bssid;
194 req.ie_len = params->ie_len;
195 req.use_mfp = params->mfp != NL80211_MFP_NO;
196 req.crypto = params->crypto;
197 req.flags = params->flags;
198 req.ht_capa = params->ht_capa;
199 req.ht_capa_mask = params->ht_capa_mask;
200 req.vht_capa = params->vht_capa;
201 req.vht_capa_mask = params->vht_capa_mask;
204 req.bss = cfg80211_get_bss(&rdev->wiphy, params->channel,
206 params->ssid, params->ssid_len,
207 IEEE80211_BSS_TYPE_ESS,
208 IEEE80211_PRIVACY_ANY);
212 err = cfg80211_mlme_assoc(rdev, wdev->netdev, &req);
213 cfg80211_put_bss(&rdev->wiphy, req.bss);
217 cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
219 WLAN_REASON_DEAUTH_LEAVING,
222 case CFG80211_CONN_ASSOC_FAILED_TIMEOUT:
223 *treason = NL80211_TIMEOUT_ASSOC;
225 case CFG80211_CONN_ASSOC_FAILED:
226 cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
228 WLAN_REASON_DEAUTH_LEAVING, false);
230 case CFG80211_CONN_DEAUTH:
231 cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid,
233 WLAN_REASON_DEAUTH_LEAVING, false);
235 case CFG80211_CONN_ABANDON:
236 /* free directly, disconnected event already sent */
237 cfg80211_sme_free(wdev);
244 void cfg80211_conn_work(struct work_struct *work)
246 struct cfg80211_registered_device *rdev =
247 container_of(work, struct cfg80211_registered_device, conn_work);
248 struct wireless_dev *wdev;
249 u8 bssid_buf[ETH_ALEN], *bssid = NULL;
250 enum nl80211_timeout_reason treason;
252 wiphy_lock(&rdev->wiphy);
254 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
259 if (!netif_running(wdev->netdev)) {
264 wdev->conn->state == CFG80211_CONN_CONNECTED) {
268 if (wdev->conn->params.bssid) {
269 memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN);
272 treason = NL80211_TIMEOUT_UNSPECIFIED;
273 if (cfg80211_conn_do_work(wdev, &treason)) {
274 struct cfg80211_connect_resp_params cr;
276 memset(&cr, 0, sizeof(cr));
278 cr.links[0].bssid = bssid;
279 cr.timeout_reason = treason;
280 __cfg80211_connect_result(wdev->netdev, &cr, false);
285 wiphy_unlock(&rdev->wiphy);
288 static void cfg80211_step_auth_next(struct cfg80211_conn *conn,
289 struct cfg80211_bss *bss)
291 memcpy(conn->bssid, bss->bssid, ETH_ALEN);
292 conn->params.bssid = conn->bssid;
293 conn->params.channel = bss->channel;
294 conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
297 /* Returned bss is reference counted and must be cleaned up appropriately. */
298 static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev)
300 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
301 struct cfg80211_bss *bss;
303 ASSERT_WDEV_LOCK(wdev);
305 bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel,
306 wdev->conn->params.bssid,
307 wdev->conn->params.ssid,
308 wdev->conn->params.ssid_len,
310 IEEE80211_PRIVACY(wdev->conn->params.privacy));
314 cfg80211_step_auth_next(wdev->conn, bss);
315 schedule_work(&rdev->conn_work);
320 static void __cfg80211_sme_scan_done(struct net_device *dev)
322 struct wireless_dev *wdev = dev->ieee80211_ptr;
323 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
324 struct cfg80211_bss *bss;
326 ASSERT_WDEV_LOCK(wdev);
331 if (wdev->conn->state != CFG80211_CONN_SCANNING &&
332 wdev->conn->state != CFG80211_CONN_SCAN_AGAIN)
335 bss = cfg80211_get_conn_bss(wdev);
337 cfg80211_put_bss(&rdev->wiphy, bss);
339 schedule_work(&rdev->conn_work);
342 void cfg80211_sme_scan_done(struct net_device *dev)
344 struct wireless_dev *wdev = dev->ieee80211_ptr;
347 __cfg80211_sme_scan_done(dev);
351 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len)
353 struct wiphy *wiphy = wdev->wiphy;
354 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy);
355 struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf;
356 u16 status_code = le16_to_cpu(mgmt->u.auth.status_code);
358 ASSERT_WDEV_LOCK(wdev);
360 if (!wdev->conn || wdev->conn->state == CFG80211_CONN_CONNECTED)
363 if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
364 wdev->conn->auto_auth &&
365 wdev->conn->params.auth_type != NL80211_AUTHTYPE_NETWORK_EAP) {
366 /* select automatically between only open, shared, leap */
367 switch (wdev->conn->params.auth_type) {
368 case NL80211_AUTHTYPE_OPEN_SYSTEM:
369 if (wdev->connect_keys)
370 wdev->conn->params.auth_type =
371 NL80211_AUTHTYPE_SHARED_KEY;
373 wdev->conn->params.auth_type =
374 NL80211_AUTHTYPE_NETWORK_EAP;
376 case NL80211_AUTHTYPE_SHARED_KEY:
377 wdev->conn->params.auth_type =
378 NL80211_AUTHTYPE_NETWORK_EAP;
382 wdev->conn->params.auth_type =
383 NL80211_AUTHTYPE_OPEN_SYSTEM;
386 wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT;
387 schedule_work(&rdev->conn_work);
388 } else if (status_code != WLAN_STATUS_SUCCESS) {
389 struct cfg80211_connect_resp_params cr;
391 memset(&cr, 0, sizeof(cr));
392 cr.status = status_code;
393 cr.links[0].bssid = mgmt->bssid;
394 cr.timeout_reason = NL80211_TIMEOUT_UNSPECIFIED;
395 __cfg80211_connect_result(wdev->netdev, &cr, false);
396 } else if (wdev->conn->state == CFG80211_CONN_AUTHENTICATING) {
397 wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
398 schedule_work(&rdev->conn_work);
402 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status)
404 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
409 if (status == WLAN_STATUS_SUCCESS) {
410 wdev->conn->state = CFG80211_CONN_CONNECTED;
414 if (wdev->conn->prev_bssid_valid) {
416 * Some stupid APs don't accept reassoc, so we
417 * need to fall back to trying regular assoc;
418 * return true so no event is sent to userspace.
420 wdev->conn->prev_bssid_valid = false;
421 wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT;
422 schedule_work(&rdev->conn_work);
426 wdev->conn->state = CFG80211_CONN_ASSOC_FAILED;
427 schedule_work(&rdev->conn_work);
431 void cfg80211_sme_deauth(struct wireless_dev *wdev)
433 cfg80211_sme_free(wdev);
436 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev)
438 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
443 wdev->conn->state = CFG80211_CONN_AUTH_FAILED_TIMEOUT;
444 schedule_work(&rdev->conn_work);
447 void cfg80211_sme_disassoc(struct wireless_dev *wdev)
449 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
454 wdev->conn->state = CFG80211_CONN_DEAUTH;
455 schedule_work(&rdev->conn_work);
458 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev)
460 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
465 wdev->conn->state = CFG80211_CONN_ASSOC_FAILED_TIMEOUT;
466 schedule_work(&rdev->conn_work);
469 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev)
471 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
476 wdev->conn->state = CFG80211_CONN_ABANDON;
477 schedule_work(&rdev->conn_work);
480 static void cfg80211_wdev_release_bsses(struct wireless_dev *wdev)
484 for_each_valid_link(wdev, link) {
485 if (!wdev->links[link].client.current_bss)
487 cfg80211_unhold_bss(wdev->links[link].client.current_bss);
488 cfg80211_put_bss(wdev->wiphy,
489 &wdev->links[link].client.current_bss->pub);
490 wdev->links[link].client.current_bss = NULL;
494 static int cfg80211_sme_get_conn_ies(struct wireless_dev *wdev,
495 const u8 *ies, size_t ies_len,
496 const u8 **out_ies, size_t *out_ies_len)
498 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
502 if (!rdev->wiphy.extended_capabilities_len ||
503 (ies && cfg80211_find_ie(WLAN_EID_EXT_CAPABILITY, ies, ies_len))) {
504 *out_ies = kmemdup(ies, ies_len, GFP_KERNEL);
507 *out_ies_len = ies_len;
511 buf = kmalloc(ies_len + rdev->wiphy.extended_capabilities_len + 2,
517 static const u8 before_extcapa[] = {
518 /* not listing IEs expected to be created by driver */
521 WLAN_EID_RRM_ENABLED_CAPABILITIES,
522 WLAN_EID_MOBILITY_DOMAIN,
523 WLAN_EID_SUPPORTED_REGULATORY_CLASSES,
524 WLAN_EID_BSS_COEX_2040,
527 offs = ieee80211_ie_split(ies, ies_len, before_extcapa,
528 ARRAY_SIZE(before_extcapa), 0);
529 memcpy(buf, ies, offs);
530 /* leave a whole for extended capabilities IE */
531 memcpy(buf + offs + rdev->wiphy.extended_capabilities_len + 2,
532 ies + offs, ies_len - offs);
537 /* place extended capabilities IE (with only driver capabilities) */
538 buf[offs] = WLAN_EID_EXT_CAPABILITY;
539 buf[offs + 1] = rdev->wiphy.extended_capabilities_len;
540 memcpy(buf + offs + 2,
541 rdev->wiphy.extended_capabilities,
542 rdev->wiphy.extended_capabilities_len);
545 *out_ies_len = ies_len + rdev->wiphy.extended_capabilities_len + 2;
550 static int cfg80211_sme_connect(struct wireless_dev *wdev,
551 struct cfg80211_connect_params *connect,
552 const u8 *prev_bssid)
554 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
555 struct cfg80211_bss *bss;
558 if (!rdev->ops->auth || !rdev->ops->assoc)
561 cfg80211_wdev_release_bsses(wdev);
563 if (wdev->connected) {
564 cfg80211_sme_free(wdev);
565 wdev->connected = false;
571 wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL);
576 * Copy all parameters, and treat explicitly IEs, BSSID, SSID.
578 memcpy(&wdev->conn->params, connect, sizeof(*connect));
579 if (connect->bssid) {
580 wdev->conn->params.bssid = wdev->conn->bssid;
581 memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN);
584 if (cfg80211_sme_get_conn_ies(wdev, connect->ie, connect->ie_len,
586 &wdev->conn->params.ie_len)) {
591 wdev->conn->params.ie = wdev->conn->ie;
593 if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) {
594 wdev->conn->auto_auth = true;
595 /* start with open system ... should mostly work */
596 wdev->conn->params.auth_type =
597 NL80211_AUTHTYPE_OPEN_SYSTEM;
599 wdev->conn->auto_auth = false;
602 wdev->conn->params.ssid = wdev->u.client.ssid;
603 wdev->conn->params.ssid_len = wdev->u.client.ssid_len;
605 /* see if we have the bss already */
606 bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel,
607 wdev->conn->params.bssid,
608 wdev->conn->params.ssid,
609 wdev->conn->params.ssid_len,
611 IEEE80211_PRIVACY(wdev->conn->params.privacy));
614 memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN);
615 wdev->conn->prev_bssid_valid = true;
618 /* we're good if we have a matching bss struct */
620 enum nl80211_timeout_reason treason;
622 cfg80211_step_auth_next(wdev->conn, bss);
623 err = cfg80211_conn_do_work(wdev, &treason);
624 cfg80211_put_bss(wdev->wiphy, bss);
626 /* otherwise we'll need to scan for the AP first */
627 err = cfg80211_conn_scan(wdev);
630 * If we can't scan right now, then we need to scan again
631 * after the current scan finished, since the parameters
632 * changed (unless we find a good AP anyway).
636 wdev->conn->state = CFG80211_CONN_SCAN_AGAIN;
641 cfg80211_sme_free(wdev);
646 static int cfg80211_sme_disconnect(struct wireless_dev *wdev, u16 reason)
648 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
654 if (!rdev->ops->deauth)
657 if (wdev->conn->state == CFG80211_CONN_SCANNING ||
658 wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) {
663 /* wdev->conn->params.bssid must be set if > SCANNING */
664 err = cfg80211_mlme_deauth(rdev, wdev->netdev,
665 wdev->conn->params.bssid,
666 NULL, 0, reason, false);
668 cfg80211_sme_free(wdev);
673 * code shared for in-device and software SME
676 static bool cfg80211_is_all_idle(void)
678 struct cfg80211_registered_device *rdev;
679 struct wireless_dev *wdev;
680 bool is_all_idle = true;
683 * All devices must be idle as otherwise if you are actively
684 * scanning some new beacon hints could be learned and would
685 * count as new regulatory hints.
686 * Also if there is any other active beaconing interface we
687 * need not issue a disconnect hint and reset any info such
688 * as chan dfs state, etc.
690 list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
691 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) {
693 if (wdev->conn || wdev->connected ||
694 cfg80211_beaconing_iface_active(wdev))
703 static void disconnect_work(struct work_struct *work)
706 if (cfg80211_is_all_idle())
707 regulatory_hint_disconnect();
711 DECLARE_WORK(cfg80211_disconnect_work, disconnect_work);
714 cfg80211_connect_result_release_bsses(struct wireless_dev *wdev,
715 struct cfg80211_connect_resp_params *cr)
719 for_each_valid_link(cr, link) {
720 if (!cr->links[link].bss)
722 cfg80211_unhold_bss(bss_from_pub(cr->links[link].bss));
723 cfg80211_put_bss(wdev->wiphy, cr->links[link].bss);
728 * API calls for drivers implementing connect/disconnect and
732 /* This method must consume bss one way or another */
733 void __cfg80211_connect_result(struct net_device *dev,
734 struct cfg80211_connect_resp_params *cr,
737 struct wireless_dev *wdev = dev->ieee80211_ptr;
738 const struct element *country_elem = NULL;
739 const struct element *ssid;
740 const u8 *country_data;
742 #ifdef CONFIG_CFG80211_WEXT
743 union iwreq_data wrqu;
746 const u8 *connected_addr;
747 bool bss_not_found = false;
749 ASSERT_WDEV_LOCK(wdev);
751 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
752 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
755 if (cr->valid_links) {
756 if (WARN_ON(!cr->ap_mld_addr))
759 for_each_valid_link(cr, link) {
760 if (WARN_ON(!cr->links[link].addr))
764 if (WARN_ON(wdev->connect_keys))
768 wdev->unprot_beacon_reported = 0;
769 nl80211_send_connect_result(wiphy_to_rdev(wdev->wiphy), dev, cr,
771 connected_addr = cr->valid_links ? cr->ap_mld_addr : cr->links[0].bssid;
773 #ifdef CONFIG_CFG80211_WEXT
774 if (wextev && !cr->valid_links) {
775 if (cr->req_ie && cr->status == WLAN_STATUS_SUCCESS) {
776 memset(&wrqu, 0, sizeof(wrqu));
777 wrqu.data.length = cr->req_ie_len;
778 wireless_send_event(dev, IWEVASSOCREQIE, &wrqu,
782 if (cr->resp_ie && cr->status == WLAN_STATUS_SUCCESS) {
783 memset(&wrqu, 0, sizeof(wrqu));
784 wrqu.data.length = cr->resp_ie_len;
785 wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu,
789 memset(&wrqu, 0, sizeof(wrqu));
790 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
791 if (connected_addr && cr->status == WLAN_STATUS_SUCCESS) {
792 memcpy(wrqu.ap_addr.sa_data, connected_addr, ETH_ALEN);
793 memcpy(wdev->wext.prev_bssid, connected_addr, ETH_ALEN);
794 wdev->wext.prev_bssid_valid = true;
796 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
800 if (cr->status == WLAN_STATUS_SUCCESS) {
801 if (!wiphy_to_rdev(wdev->wiphy)->ops->connect) {
802 for_each_valid_link(cr, link) {
803 if (WARN_ON_ONCE(!cr->links[link].bss))
808 for_each_valid_link(cr, link) {
809 if (cr->links[link].bss)
812 cr->links[link].bss =
813 cfg80211_get_bss(wdev->wiphy, NULL,
814 cr->links[link].bssid,
816 wdev->u.client.ssid_len,
818 IEEE80211_PRIVACY_ANY);
819 if (!cr->links[link].bss) {
820 bss_not_found = true;
823 cfg80211_hold_bss(bss_from_pub(cr->links[link].bss));
827 cfg80211_wdev_release_bsses(wdev);
829 if (cr->status != WLAN_STATUS_SUCCESS) {
830 kfree_sensitive(wdev->connect_keys);
831 wdev->connect_keys = NULL;
832 wdev->u.client.ssid_len = 0;
833 wdev->conn_owner_nlportid = 0;
834 cfg80211_connect_result_release_bsses(wdev, cr);
835 cfg80211_sme_free(wdev);
839 if (WARN_ON(bss_not_found)) {
840 cfg80211_connect_result_release_bsses(wdev, cr);
844 memset(wdev->links, 0, sizeof(wdev->links));
845 wdev->valid_links = cr->valid_links;
846 for_each_valid_link(cr, link)
847 wdev->links[link].client.current_bss =
848 bss_from_pub(cr->links[link].bss);
849 wdev->connected = true;
850 ether_addr_copy(wdev->u.client.connected_addr, connected_addr);
851 if (cr->valid_links) {
852 for_each_valid_link(cr, link)
853 memcpy(wdev->links[link].addr, cr->links[link].addr,
857 if (!(wdev->wiphy->flags & WIPHY_FLAG_HAS_STATIC_WEP))
858 cfg80211_upload_connect_keys(wdev);
861 for_each_valid_link(cr, link) {
863 ieee80211_bss_get_elem(cr->links[link].bss,
873 country_datalen = country_elem->datalen;
874 country_data = kmemdup(country_elem->data, country_datalen, GFP_ATOMIC);
880 regulatory_hint_country_ie(wdev->wiphy,
881 cr->links[link].bss->channel->band,
882 country_data, country_datalen);
885 if (!wdev->u.client.ssid_len) {
887 for_each_valid_link(cr, link) {
888 ssid = ieee80211_bss_get_elem(cr->links[link].bss,
891 if (!ssid || !ssid->datalen)
894 memcpy(wdev->u.client.ssid, ssid->data, ssid->datalen);
895 wdev->u.client.ssid_len = ssid->datalen;
903 for_each_valid_link(cr, link)
904 cfg80211_put_bss(wdev->wiphy, cr->links[link].bss);
907 static void cfg80211_update_link_bss(struct wireless_dev *wdev,
908 struct cfg80211_bss **bss)
910 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
911 struct cfg80211_internal_bss *ibss;
916 ibss = bss_from_pub(*bss);
917 if (list_empty(&ibss->list)) {
918 struct cfg80211_bss *found = NULL, *tmp = *bss;
920 found = cfg80211_get_bss(wdev->wiphy, NULL,
923 wdev->u.client.ssid_len,
925 IEEE80211_PRIVACY_ANY);
927 /* The same BSS is already updated so use it
928 * instead, as it has latest info.
932 /* Update with BSS provided by driver, it will
933 * be freshly added and ref cnted, we can free
936 * signal_valid can be false, as we are not
937 * expecting the BSS to be found.
939 * keep the old timestamp to avoid confusion
941 cfg80211_bss_update(rdev, ibss, false,
945 cfg80211_put_bss(wdev->wiphy, tmp);
949 /* Consumes bss object(s) one way or another */
950 void cfg80211_connect_done(struct net_device *dev,
951 struct cfg80211_connect_resp_params *params,
954 struct wireless_dev *wdev = dev->ieee80211_ptr;
955 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
956 struct cfg80211_event *ev;
959 size_t link_info_size = 0;
962 for_each_valid_link(params, link) {
963 cfg80211_update_link_bss(wdev, ¶ms->links[link].bss);
964 link_info_size += params->links[link].bssid ? ETH_ALEN : 0;
965 link_info_size += params->links[link].addr ? ETH_ALEN : 0;
968 ev = kzalloc(sizeof(*ev) + (params->ap_mld_addr ? ETH_ALEN : 0) +
969 params->req_ie_len + params->resp_ie_len +
970 params->fils.kek_len + params->fils.pmk_len +
971 (params->fils.pmkid ? WLAN_PMKID_LEN : 0) + link_info_size,
975 for_each_valid_link(params, link)
976 cfg80211_put_bss(wdev->wiphy,
977 params->links[link].bss);
981 ev->type = EVENT_CONNECT_RESULT;
982 next = ((u8 *)ev) + sizeof(*ev);
983 if (params->ap_mld_addr) {
984 ev->cr.ap_mld_addr = next;
985 memcpy((void *)ev->cr.ap_mld_addr, params->ap_mld_addr,
989 if (params->req_ie_len) {
990 ev->cr.req_ie = next;
991 ev->cr.req_ie_len = params->req_ie_len;
992 memcpy((void *)ev->cr.req_ie, params->req_ie,
994 next += params->req_ie_len;
996 if (params->resp_ie_len) {
997 ev->cr.resp_ie = next;
998 ev->cr.resp_ie_len = params->resp_ie_len;
999 memcpy((void *)ev->cr.resp_ie, params->resp_ie,
1000 params->resp_ie_len);
1001 next += params->resp_ie_len;
1003 if (params->fils.kek_len) {
1004 ev->cr.fils.kek = next;
1005 ev->cr.fils.kek_len = params->fils.kek_len;
1006 memcpy((void *)ev->cr.fils.kek, params->fils.kek,
1007 params->fils.kek_len);
1008 next += params->fils.kek_len;
1010 if (params->fils.pmk_len) {
1011 ev->cr.fils.pmk = next;
1012 ev->cr.fils.pmk_len = params->fils.pmk_len;
1013 memcpy((void *)ev->cr.fils.pmk, params->fils.pmk,
1014 params->fils.pmk_len);
1015 next += params->fils.pmk_len;
1017 if (params->fils.pmkid) {
1018 ev->cr.fils.pmkid = next;
1019 memcpy((void *)ev->cr.fils.pmkid, params->fils.pmkid,
1021 next += WLAN_PMKID_LEN;
1023 ev->cr.fils.update_erp_next_seq_num = params->fils.update_erp_next_seq_num;
1024 if (params->fils.update_erp_next_seq_num)
1025 ev->cr.fils.erp_next_seq_num = params->fils.erp_next_seq_num;
1026 ev->cr.valid_links = params->valid_links;
1027 for_each_valid_link(params, link) {
1028 if (params->links[link].bss)
1030 bss_from_pub(params->links[link].bss));
1031 ev->cr.links[link].bss = params->links[link].bss;
1033 if (params->links[link].addr) {
1034 ev->cr.links[link].addr = next;
1035 memcpy((void *)ev->cr.links[link].addr,
1036 params->links[link].addr,
1040 if (params->links[link].bssid) {
1041 ev->cr.links[link].bssid = next;
1042 memcpy((void *)ev->cr.links[link].bssid,
1043 params->links[link].bssid,
1048 ev->cr.status = params->status;
1049 ev->cr.timeout_reason = params->timeout_reason;
1051 spin_lock_irqsave(&wdev->event_lock, flags);
1052 list_add_tail(&ev->list, &wdev->event_list);
1053 spin_unlock_irqrestore(&wdev->event_lock, flags);
1054 queue_work(cfg80211_wq, &rdev->event_work);
1056 EXPORT_SYMBOL(cfg80211_connect_done);
1058 /* Consumes bss object one way or another */
1059 void __cfg80211_roamed(struct wireless_dev *wdev,
1060 struct cfg80211_roam_info *info)
1062 #ifdef CONFIG_CFG80211_WEXT
1063 union iwreq_data wrqu;
1066 const u8 *connected_addr;
1068 ASSERT_WDEV_LOCK(wdev);
1070 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
1071 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
1074 if (WARN_ON(!wdev->connected))
1077 if (info->valid_links) {
1078 if (WARN_ON(!info->ap_mld_addr))
1081 for_each_valid_link(info, link) {
1082 if (WARN_ON(!info->links[link].addr))
1087 cfg80211_wdev_release_bsses(wdev);
1089 for_each_valid_link(info, link) {
1090 if (WARN_ON(!info->links[link].bss))
1094 memset(wdev->links, 0, sizeof(wdev->links));
1095 wdev->valid_links = info->valid_links;
1096 for_each_valid_link(info, link) {
1097 cfg80211_hold_bss(bss_from_pub(info->links[link].bss));
1098 wdev->links[link].client.current_bss =
1099 bss_from_pub(info->links[link].bss);
1102 connected_addr = info->valid_links ?
1104 info->links[0].bss->bssid;
1105 ether_addr_copy(wdev->u.client.connected_addr, connected_addr);
1106 if (info->valid_links) {
1107 for_each_valid_link(info, link)
1108 memcpy(wdev->links[link].addr, info->links[link].addr,
1111 wdev->unprot_beacon_reported = 0;
1112 nl80211_send_roamed(wiphy_to_rdev(wdev->wiphy),
1113 wdev->netdev, info, GFP_KERNEL);
1115 #ifdef CONFIG_CFG80211_WEXT
1116 if (!info->valid_links) {
1118 memset(&wrqu, 0, sizeof(wrqu));
1119 wrqu.data.length = info->req_ie_len;
1120 wireless_send_event(wdev->netdev, IWEVASSOCREQIE,
1121 &wrqu, info->req_ie);
1124 if (info->resp_ie) {
1125 memset(&wrqu, 0, sizeof(wrqu));
1126 wrqu.data.length = info->resp_ie_len;
1127 wireless_send_event(wdev->netdev, IWEVASSOCRESPIE,
1128 &wrqu, info->resp_ie);
1131 memset(&wrqu, 0, sizeof(wrqu));
1132 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1133 memcpy(wrqu.ap_addr.sa_data, connected_addr, ETH_ALEN);
1134 memcpy(wdev->wext.prev_bssid, connected_addr, ETH_ALEN);
1135 wdev->wext.prev_bssid_valid = true;
1136 wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL);
1142 for_each_valid_link(info, link)
1143 cfg80211_put_bss(wdev->wiphy, info->links[link].bss);
1146 /* Consumes info->links.bss object(s) one way or another */
1147 void cfg80211_roamed(struct net_device *dev, struct cfg80211_roam_info *info,
1150 struct wireless_dev *wdev = dev->ieee80211_ptr;
1151 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
1152 struct cfg80211_event *ev;
1153 unsigned long flags;
1156 size_t link_info_size = 0;
1157 bool bss_not_found = false;
1159 for_each_valid_link(info, link) {
1160 link_info_size += info->links[link].addr ? ETH_ALEN : 0;
1161 link_info_size += info->links[link].bssid ? ETH_ALEN : 0;
1163 if (info->links[link].bss)
1166 info->links[link].bss =
1167 cfg80211_get_bss(wdev->wiphy,
1168 info->links[link].channel,
1169 info->links[link].bssid,
1170 wdev->u.client.ssid,
1171 wdev->u.client.ssid_len,
1172 wdev->conn_bss_type,
1173 IEEE80211_PRIVACY_ANY);
1175 if (!info->links[link].bss) {
1176 bss_not_found = true;
1181 if (WARN_ON(bss_not_found))
1184 ev = kzalloc(sizeof(*ev) + info->req_ie_len + info->resp_ie_len +
1185 info->fils.kek_len + info->fils.pmk_len +
1186 (info->fils.pmkid ? WLAN_PMKID_LEN : 0) +
1187 (info->ap_mld_addr ? ETH_ALEN : 0) + link_info_size, gfp);
1191 ev->type = EVENT_ROAMED;
1192 next = ((u8 *)ev) + sizeof(*ev);
1193 if (info->req_ie_len) {
1194 ev->rm.req_ie = next;
1195 ev->rm.req_ie_len = info->req_ie_len;
1196 memcpy((void *)ev->rm.req_ie, info->req_ie, info->req_ie_len);
1197 next += info->req_ie_len;
1199 if (info->resp_ie_len) {
1200 ev->rm.resp_ie = next;
1201 ev->rm.resp_ie_len = info->resp_ie_len;
1202 memcpy((void *)ev->rm.resp_ie, info->resp_ie,
1204 next += info->resp_ie_len;
1206 if (info->fils.kek_len) {
1207 ev->rm.fils.kek = next;
1208 ev->rm.fils.kek_len = info->fils.kek_len;
1209 memcpy((void *)ev->rm.fils.kek, info->fils.kek,
1210 info->fils.kek_len);
1211 next += info->fils.kek_len;
1213 if (info->fils.pmk_len) {
1214 ev->rm.fils.pmk = next;
1215 ev->rm.fils.pmk_len = info->fils.pmk_len;
1216 memcpy((void *)ev->rm.fils.pmk, info->fils.pmk,
1217 info->fils.pmk_len);
1218 next += info->fils.pmk_len;
1220 if (info->fils.pmkid) {
1221 ev->rm.fils.pmkid = next;
1222 memcpy((void *)ev->rm.fils.pmkid, info->fils.pmkid,
1224 next += WLAN_PMKID_LEN;
1226 ev->rm.fils.update_erp_next_seq_num = info->fils.update_erp_next_seq_num;
1227 if (info->fils.update_erp_next_seq_num)
1228 ev->rm.fils.erp_next_seq_num = info->fils.erp_next_seq_num;
1229 if (info->ap_mld_addr) {
1230 ev->rm.ap_mld_addr = next;
1231 memcpy((void *)ev->rm.ap_mld_addr, info->ap_mld_addr,
1235 ev->rm.valid_links = info->valid_links;
1236 for_each_valid_link(info, link) {
1237 ev->rm.links[link].bss = info->links[link].bss;
1239 if (info->links[link].addr) {
1240 ev->rm.links[link].addr = next;
1241 memcpy((void *)ev->rm.links[link].addr,
1242 info->links[link].addr,
1247 if (info->links[link].bssid) {
1248 ev->rm.links[link].bssid = next;
1249 memcpy((void *)ev->rm.links[link].bssid,
1250 info->links[link].bssid,
1256 spin_lock_irqsave(&wdev->event_lock, flags);
1257 list_add_tail(&ev->list, &wdev->event_list);
1258 spin_unlock_irqrestore(&wdev->event_lock, flags);
1259 queue_work(cfg80211_wq, &rdev->event_work);
1263 for_each_valid_link(info, link)
1264 cfg80211_put_bss(wdev->wiphy, info->links[link].bss);
1267 EXPORT_SYMBOL(cfg80211_roamed);
1269 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid)
1271 ASSERT_WDEV_LOCK(wdev);
1273 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
1274 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
1277 if (WARN_ON(!wdev->connected) ||
1278 WARN_ON(!ether_addr_equal(wdev->u.client.connected_addr, bssid)))
1281 nl80211_send_port_authorized(wiphy_to_rdev(wdev->wiphy), wdev->netdev,
1285 void cfg80211_port_authorized(struct net_device *dev, const u8 *bssid,
1288 struct wireless_dev *wdev = dev->ieee80211_ptr;
1289 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
1290 struct cfg80211_event *ev;
1291 unsigned long flags;
1293 if (WARN_ON(!bssid))
1296 ev = kzalloc(sizeof(*ev), gfp);
1300 ev->type = EVENT_PORT_AUTHORIZED;
1301 memcpy(ev->pa.bssid, bssid, ETH_ALEN);
1304 * Use the wdev event list so that if there are pending
1305 * connected/roamed events, they will be reported first.
1307 spin_lock_irqsave(&wdev->event_lock, flags);
1308 list_add_tail(&ev->list, &wdev->event_list);
1309 spin_unlock_irqrestore(&wdev->event_lock, flags);
1310 queue_work(cfg80211_wq, &rdev->event_work);
1312 EXPORT_SYMBOL(cfg80211_port_authorized);
1314 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
1315 size_t ie_len, u16 reason, bool from_ap)
1317 struct wireless_dev *wdev = dev->ieee80211_ptr;
1318 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
1320 #ifdef CONFIG_CFG80211_WEXT
1321 union iwreq_data wrqu;
1324 ASSERT_WDEV_LOCK(wdev);
1326 if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION &&
1327 wdev->iftype != NL80211_IFTYPE_P2P_CLIENT))
1330 cfg80211_wdev_release_bsses(wdev);
1331 wdev->connected = false;
1332 wdev->u.client.ssid_len = 0;
1333 wdev->conn_owner_nlportid = 0;
1334 kfree_sensitive(wdev->connect_keys);
1335 wdev->connect_keys = NULL;
1337 nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap);
1339 /* stop critical protocol if supported */
1340 if (rdev->ops->crit_proto_stop && rdev->crit_proto_nlportid) {
1341 rdev->crit_proto_nlportid = 0;
1342 rdev_crit_proto_stop(rdev, wdev);
1346 * Delete all the keys ... pairwise keys can't really
1347 * exist any more anyway, but default keys might.
1349 if (rdev->ops->del_key) {
1350 int max_key_idx = 5;
1352 if (wiphy_ext_feature_isset(
1354 NL80211_EXT_FEATURE_BEACON_PROTECTION) ||
1355 wiphy_ext_feature_isset(
1357 NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT))
1359 for (i = 0; i <= max_key_idx; i++)
1360 rdev_del_key(rdev, dev, -1, i, false, NULL);
1363 rdev_set_qos_map(rdev, dev, NULL);
1365 #ifdef CONFIG_CFG80211_WEXT
1366 memset(&wrqu, 0, sizeof(wrqu));
1367 wrqu.ap_addr.sa_family = ARPHRD_ETHER;
1368 wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
1369 wdev->wext.connect.ssid_len = 0;
1372 schedule_work(&cfg80211_disconnect_work);
1375 void cfg80211_disconnected(struct net_device *dev, u16 reason,
1376 const u8 *ie, size_t ie_len,
1377 bool locally_generated, gfp_t gfp)
1379 struct wireless_dev *wdev = dev->ieee80211_ptr;
1380 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
1381 struct cfg80211_event *ev;
1382 unsigned long flags;
1384 ev = kzalloc(sizeof(*ev) + ie_len, gfp);
1388 ev->type = EVENT_DISCONNECTED;
1389 ev->dc.ie = ((u8 *)ev) + sizeof(*ev);
1390 ev->dc.ie_len = ie_len;
1391 memcpy((void *)ev->dc.ie, ie, ie_len);
1392 ev->dc.reason = reason;
1393 ev->dc.locally_generated = locally_generated;
1395 spin_lock_irqsave(&wdev->event_lock, flags);
1396 list_add_tail(&ev->list, &wdev->event_list);
1397 spin_unlock_irqrestore(&wdev->event_lock, flags);
1398 queue_work(cfg80211_wq, &rdev->event_work);
1400 EXPORT_SYMBOL(cfg80211_disconnected);
1403 * API calls for nl80211/wext compatibility code
1405 int cfg80211_connect(struct cfg80211_registered_device *rdev,
1406 struct net_device *dev,
1407 struct cfg80211_connect_params *connect,
1408 struct cfg80211_cached_keys *connkeys,
1409 const u8 *prev_bssid)
1411 struct wireless_dev *wdev = dev->ieee80211_ptr;
1414 ASSERT_WDEV_LOCK(wdev);
1417 * If we have an ssid_len, we're trying to connect or are
1418 * already connected, so reject a new SSID unless it's the
1419 * same (which is the case for re-association.)
1421 if (wdev->u.client.ssid_len &&
1422 (wdev->u.client.ssid_len != connect->ssid_len ||
1423 memcmp(wdev->u.client.ssid, connect->ssid, wdev->u.client.ssid_len)))
1427 * If connected, reject (re-)association unless prev_bssid
1428 * matches the current BSSID.
1430 if (wdev->connected) {
1433 if (!ether_addr_equal(prev_bssid,
1434 wdev->u.client.connected_addr))
1439 * Reject if we're in the process of connecting with WEP,
1440 * this case isn't very interesting and trying to handle
1441 * it would make the code much more complex.
1443 if (wdev->connect_keys)
1444 return -EINPROGRESS;
1446 cfg80211_oper_and_ht_capa(&connect->ht_capa_mask,
1447 rdev->wiphy.ht_capa_mod_mask);
1448 cfg80211_oper_and_vht_capa(&connect->vht_capa_mask,
1449 rdev->wiphy.vht_capa_mod_mask);
1451 if (connkeys && connkeys->def >= 0) {
1455 idx = connkeys->def;
1456 cipher = connkeys->params[idx].cipher;
1457 /* If given a WEP key we may need it for shared key auth */
1458 if (cipher == WLAN_CIPHER_SUITE_WEP40 ||
1459 cipher == WLAN_CIPHER_SUITE_WEP104) {
1460 connect->key_idx = idx;
1461 connect->key = connkeys->params[idx].key;
1462 connect->key_len = connkeys->params[idx].key_len;
1465 * If ciphers are not set (e.g. when going through
1466 * iwconfig), we have to set them appropriately here.
1468 if (connect->crypto.cipher_group == 0)
1469 connect->crypto.cipher_group = cipher;
1471 if (connect->crypto.n_ciphers_pairwise == 0) {
1472 connect->crypto.n_ciphers_pairwise = 1;
1473 connect->crypto.ciphers_pairwise[0] = cipher;
1477 connect->crypto.wep_keys = connkeys->params;
1478 connect->crypto.wep_tx_key = connkeys->def;
1480 if (WARN_ON(connkeys))
1483 /* connect can point to wdev->wext.connect which
1484 * can hold key data from a previous connection
1486 connect->key = NULL;
1487 connect->key_len = 0;
1488 connect->key_idx = 0;
1491 wdev->connect_keys = connkeys;
1492 memcpy(wdev->u.client.ssid, connect->ssid, connect->ssid_len);
1493 wdev->u.client.ssid_len = connect->ssid_len;
1495 wdev->conn_bss_type = connect->pbss ? IEEE80211_BSS_TYPE_PBSS :
1496 IEEE80211_BSS_TYPE_ESS;
1498 if (!rdev->ops->connect)
1499 err = cfg80211_sme_connect(wdev, connect, prev_bssid);
1501 err = rdev_connect(rdev, dev, connect);
1504 wdev->connect_keys = NULL;
1506 * This could be reassoc getting refused, don't clear
1507 * ssid_len in that case.
1509 if (!wdev->connected)
1510 wdev->u.client.ssid_len = 0;
1517 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
1518 struct net_device *dev, u16 reason, bool wextev)
1520 struct wireless_dev *wdev = dev->ieee80211_ptr;
1523 ASSERT_WDEV_LOCK(wdev);
1525 kfree_sensitive(wdev->connect_keys);
1526 wdev->connect_keys = NULL;
1528 wdev->conn_owner_nlportid = 0;
1531 err = cfg80211_sme_disconnect(wdev, reason);
1532 else if (!rdev->ops->disconnect)
1533 cfg80211_mlme_down(rdev, dev);
1534 else if (wdev->u.client.ssid_len)
1535 err = rdev_disconnect(rdev, dev, reason);
1538 * Clear ssid_len unless we actually were fully connected,
1539 * in which case cfg80211_disconnected() will take care of
1542 if (!wdev->connected)
1543 wdev->u.client.ssid_len = 0;
1549 * Used to clean up after the connection / connection attempt owner socket
1552 void cfg80211_autodisconnect_wk(struct work_struct *work)
1554 struct wireless_dev *wdev =
1555 container_of(work, struct wireless_dev, disconnect_wk);
1556 struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
1560 if (wdev->conn_owner_nlportid) {
1561 switch (wdev->iftype) {
1562 case NL80211_IFTYPE_ADHOC:
1563 __cfg80211_leave_ibss(rdev, wdev->netdev, false);
1565 case NL80211_IFTYPE_AP:
1566 case NL80211_IFTYPE_P2P_GO:
1567 __cfg80211_stop_ap(rdev, wdev->netdev, -1, false);
1569 case NL80211_IFTYPE_MESH_POINT:
1570 __cfg80211_leave_mesh(rdev, wdev->netdev);
1572 case NL80211_IFTYPE_STATION:
1573 case NL80211_IFTYPE_P2P_CLIENT:
1575 * Use disconnect_bssid if still connecting and
1576 * ops->disconnect not implemented. Otherwise we can
1577 * use cfg80211_disconnect.
1579 if (rdev->ops->disconnect || wdev->connected)
1580 cfg80211_disconnect(rdev, wdev->netdev,
1581 WLAN_REASON_DEAUTH_LEAVING,
1584 cfg80211_mlme_deauth(rdev, wdev->netdev,
1585 wdev->disconnect_bssid,
1587 WLAN_REASON_DEAUTH_LEAVING,