net/wireless/mlme.c

27 	struct wireless_dev *wdev = dev->ieee80211_ptr;
28 	struct wiphy *wiphy = wdev->wiphy;
81 	if (cfg80211_sme_rx_assoc_resp(wdev, cr.status)) {
100 static void cfg80211_process_auth(struct wireless_dev *wdev,
103 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
105 	nl80211_send_rx_auth(rdev, wdev->netdev, buf, len, GFP_KERNEL);
106 	cfg80211_sme_rx_auth(wdev, buf, len);
109 static void cfg80211_process_deauth(struct wireless_dev *wdev,
113 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
117 	bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
119 	nl80211_send_deauth(rdev, wdev->netdev, buf, len, reconnect, GFP_KERNEL);
121 	if (!wdev->connected || !ether_addr_equal(wdev->u.client.connected_addr, bssid))
124 	__cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
125 	cfg80211_sme_deauth(wdev);
128 static void cfg80211_process_disassoc(struct wireless_dev *wdev,
132 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
136 	bool from_ap = !ether_addr_equal(mgmt->sa, wdev->netdev->dev_addr);
138 	nl80211_send_disassoc(rdev, wdev->netdev, buf, len, reconnect,
141 	if (WARN_ON(!wdev->connected ||
142 		    !ether_addr_equal(wdev->u.client.connected_addr, bssid)))
145 	__cfg80211_disconnected(wdev->netdev, NULL, 0, reason_code, from_ap);
146 	cfg80211_sme_disassoc(wdev);
151 	struct wireless_dev *wdev = dev->ieee80211_ptr;
154 	lockdep_assert_wiphy(wdev->wiphy);
162 		cfg80211_process_auth(wdev, buf, len);
164 		cfg80211_process_deauth(wdev, buf, len, false);
166 		cfg80211_process_disassoc(wdev, buf, len, false);
172 	struct wireless_dev *wdev = dev->ieee80211_ptr;
173 	struct wiphy *wiphy = wdev->wiphy;
179 	cfg80211_sme_auth_timeout(wdev);
186 	struct wireless_dev *wdev = dev->ieee80211_ptr;
187 	struct wiphy *wiphy = wdev->wiphy;
196 		cfg80211_sme_assoc_timeout(wdev);
198 		cfg80211_sme_abandon_assoc(wdev);
216 	struct wireless_dev *wdev = dev->ieee80211_ptr;
219 	lockdep_assert_wiphy(wdev->wiphy);
227 		cfg80211_process_deauth(wdev, buf, len, reconnect);
229 		cfg80211_process_disassoc(wdev, buf, len, reconnect);
265 	struct wireless_dev *wdev = dev->ieee80211_ptr;
267 	lockdep_assert_wiphy(wdev->wiphy);
273 	    !(wdev->wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))
282 	if (wdev->connected &&
283 	    ether_addr_equal(req->bss->bssid, wdev->u.client.connected_addr))
449 	struct wireless_dev *wdev = dev->ieee80211_ptr;
452 	lockdep_assert_wiphy(wdev->wiphy);
458 	if (wdev->connected &&
460 	     !ether_addr_equal(wdev->u.client.connected_addr, req->prev_bssid)))
497 	struct wireless_dev *wdev = dev->ieee80211_ptr;
506 	lockdep_assert_wiphy(wdev->wiphy);
509 	    (!wdev->connected ||
510 	     !ether_addr_equal(wdev->u.client.connected_addr, bssid)))
513 	if (ether_addr_equal(wdev->disconnect_bssid, bssid) ||
514 	    (wdev->connected &&
515 	     ether_addr_equal(wdev->u.client.connected_addr, bssid)))
516 		wdev->conn_owner_nlportid = 0;
526 	struct wireless_dev *wdev = dev->ieee80211_ptr;
536 	lockdep_assert_wiphy(wdev->wiphy);
538 	if (!wdev->connected)
541 	if (memcmp(wdev->u.client.connected_addr, ap_addr, ETH_ALEN))
549 	WARN_ON(wdev->connected);
556 	struct wireless_dev *wdev = dev->ieee80211_ptr;
559 	lockdep_assert_wiphy(wdev->wiphy);
564 	if (!wdev->connected)
567 	memcpy(bssid, wdev->u.client.connected_addr, ETH_ALEN);
574 	struct wireless_dev *wdev;
587 static void cfg80211_mgmt_registrations_update(struct wireless_dev *wdev)
589 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
597 	if (!wdev->mgmt_registrations_need_update) {
614 			if (tmp == wdev) {
622 	wdev->mgmt_registrations_need_update = 0;
625 	rdev_update_mgmt_frame_registrations(rdev, wdev, &upd);
631 	struct wireless_dev *wdev;
637 	list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list)
638 		cfg80211_mgmt_registrations_update(wdev);
642 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid,
647 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
653 	if (!wdev->wiphy->mgmt_stypes)
667 	if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) {
681 	if (wdev->iftype == NL80211_IFTYPE_STATION &&
695 	list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
723 		nreg->wdev = wdev;
725 		list_add(&nreg->list, &wdev->mgmt_registrations);
727 	wdev->mgmt_registrations_need_update = 1;
730 	cfg80211_mgmt_registrations_update(wdev);
741 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid)
743 	struct wiphy *wiphy = wdev->wiphy;
749 	list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
756 		wdev->mgmt_registrations_need_update = 1;
764 		rdev_crit_proto_stop(rdev, wdev);
767 	if (nlportid == wdev->ap_unexpected_nlportid)
768 		wdev->ap_unexpected_nlportid = 0;
771 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev)
773 	struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy);
777 	list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) {
781 	wdev->mgmt_registrations_need_update = 1;
784 	cfg80211_mgmt_registrations_update(wdev);
787 static bool cfg80211_allowed_address(struct wireless_dev *wdev, const u8 *addr)
791 	for_each_valid_link(wdev, i) {
792 		if (ether_addr_equal(addr, wdev->links[i].addr))
796 	return ether_addr_equal(addr, wdev_address(wdev));
799 static bool cfg80211_allowed_random_address(struct wireless_dev *wdev,
808 			    wdev->wiphy,
816 		if (!wdev->connected &&
818 			    wdev->wiphy,
822 		if (wdev->connected &&
824 			    wdev->wiphy,
833 			  struct wireless_dev *wdev,
841 	if (!wdev->wiphy->mgmt_stypes)
856 	if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4)))
863 		switch (wdev->iftype) {
869 			if (!wdev->u.ibss.current_bss ||
870 			    !ether_addr_equal(wdev->u.ibss.current_bss->pub.bssid,
878 			if (!wdev->connected) {
885 			if (!ether_addr_equal(wdev->u.client.connected_addr,
892 			if (!ether_addr_equal(wdev->u.client.connected_addr,
901 			if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev)) &&
904 					       wdev->links[params->link_id].addr)))
932 	if (!cfg80211_allowed_address(wdev, mgmt->sa) &&
933 	    !cfg80211_allowed_random_address(wdev, mgmt))
937 	return rdev_mgmt_tx(rdev, wdev, params, cookie);
940 bool cfg80211_rx_mgmt_ext(struct wireless_dev *wdev,
943 	struct wiphy *wiphy = wdev->wiphy;
947 		&wiphy->mgmt_stypes[wdev->iftype];
956 	trace_cfg80211_rx_mgmt(wdev, info);
969 	list_for_each_entry(reg, &wdev->mgmt_registrations, list) {
982 		if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, info,
1115 	struct wireless_dev *wdev = netdev->ieee80211_ptr;
1116 	struct wiphy *wiphy = wdev->wiphy;
1121 	if (wdev->valid_links)
1126 	if (WARN_ON(!wdev->cac_started && event != NL80211_RADAR_CAC_STARTED))
1131 		timeout = wdev->cac_start_time +
1132 			  msecs_to_jiffies(wdev->cac_time_ms);
1141 		wdev->cac_started = false;
1144 		wdev->cac_started = true;
1157 				struct wireless_dev *wdev,
1178 		wdev = rdev->background_radar_wdev;
1183 		wdev = rdev->background_radar_wdev;
1191 	netdev = wdev ? wdev->netdev : NULL;
1237 					  struct wireless_dev *wdev,
1249 	/* Offchannel chain already locked by another wdev */
1250 	if (rdev->background_radar_wdev && rdev->background_radar_wdev != wdev)
1254 	if (rdev->background_radar_wdev == wdev &&
1267 	rdev->background_radar_wdev = wdev; /* Get offchain ownership */
1269 	__cfg80211_background_cac_event(rdev, wdev, chandef,
1277 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev)
1279 	struct wiphy *wiphy = wdev->wiphy;
1284 	if (wdev != rdev->background_radar_wdev)
1290 	__cfg80211_background_cac_event(rdev, wdev,