1 /*
2  * Driver interaction with Linux nl80211/cfg80211 - Event processing
3  * Copyright (c) 2002-2017, Jouni Malinen <j@w1.fi>
4  * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
5  * Copyright (c) 2009-2010, Atheros Communications
6  *
7  * This software may be distributed under the terms of the BSD license.
8  * See README for more details.
9  */
10 
11 #include "includes.h"
12 #include <netlink/genl/genl.h>
13 
14 #include "utils/common.h"
15 #include "utils/eloop.h"
16 #include "common/qca-vendor.h"
17 #include "common/qca-vendor-attr.h"
18 #include "common/ieee802_11_defs.h"
19 #include "common/ieee802_11_common.h"
20 #include "driver_nl80211.h"
21 
22 
23 static const char * nl80211_command_to_string(enum nl80211_commands cmd)
24 {
25 #define C2S(x) case x: return #x;
26 	switch (cmd) {
27 	C2S(NL80211_CMD_UNSPEC)
28 	C2S(NL80211_CMD_GET_WIPHY)
29 	C2S(NL80211_CMD_SET_WIPHY)
30 	C2S(NL80211_CMD_NEW_WIPHY)
31 	C2S(NL80211_CMD_DEL_WIPHY)
32 	C2S(NL80211_CMD_GET_INTERFACE)
33 	C2S(NL80211_CMD_SET_INTERFACE)
34 	C2S(NL80211_CMD_NEW_INTERFACE)
35 	C2S(NL80211_CMD_DEL_INTERFACE)
36 	C2S(NL80211_CMD_GET_KEY)
37 	C2S(NL80211_CMD_SET_KEY)
38 	C2S(NL80211_CMD_NEW_KEY)
39 	C2S(NL80211_CMD_DEL_KEY)
40 	C2S(NL80211_CMD_GET_BEACON)
41 	C2S(NL80211_CMD_SET_BEACON)
42 	C2S(NL80211_CMD_START_AP)
43 	C2S(NL80211_CMD_STOP_AP)
44 	C2S(NL80211_CMD_GET_STATION)
45 	C2S(NL80211_CMD_SET_STATION)
46 	C2S(NL80211_CMD_NEW_STATION)
47 	C2S(NL80211_CMD_DEL_STATION)
48 	C2S(NL80211_CMD_GET_MPATH)
49 	C2S(NL80211_CMD_SET_MPATH)
50 	C2S(NL80211_CMD_NEW_MPATH)
51 	C2S(NL80211_CMD_DEL_MPATH)
52 	C2S(NL80211_CMD_SET_BSS)
53 	C2S(NL80211_CMD_SET_REG)
54 	C2S(NL80211_CMD_REQ_SET_REG)
55 	C2S(NL80211_CMD_GET_MESH_CONFIG)
56 	C2S(NL80211_CMD_SET_MESH_CONFIG)
57 	C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
58 	C2S(NL80211_CMD_GET_REG)
59 	C2S(NL80211_CMD_GET_SCAN)
60 	C2S(NL80211_CMD_TRIGGER_SCAN)
61 	C2S(NL80211_CMD_NEW_SCAN_RESULTS)
62 	C2S(NL80211_CMD_SCAN_ABORTED)
63 	C2S(NL80211_CMD_REG_CHANGE)
64 	C2S(NL80211_CMD_AUTHENTICATE)
65 	C2S(NL80211_CMD_ASSOCIATE)
66 	C2S(NL80211_CMD_DEAUTHENTICATE)
67 	C2S(NL80211_CMD_DISASSOCIATE)
68 	C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
69 	C2S(NL80211_CMD_REG_BEACON_HINT)
70 	C2S(NL80211_CMD_JOIN_IBSS)
71 	C2S(NL80211_CMD_LEAVE_IBSS)
72 	C2S(NL80211_CMD_TESTMODE)
73 	C2S(NL80211_CMD_CONNECT)
74 	C2S(NL80211_CMD_ROAM)
75 	C2S(NL80211_CMD_DISCONNECT)
76 	C2S(NL80211_CMD_SET_WIPHY_NETNS)
77 	C2S(NL80211_CMD_GET_SURVEY)
78 	C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
79 	C2S(NL80211_CMD_SET_PMKSA)
80 	C2S(NL80211_CMD_DEL_PMKSA)
81 	C2S(NL80211_CMD_FLUSH_PMKSA)
82 	C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
83 	C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
84 	C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
85 	C2S(NL80211_CMD_REGISTER_FRAME)
86 	C2S(NL80211_CMD_FRAME)
87 	C2S(NL80211_CMD_FRAME_TX_STATUS)
88 	C2S(NL80211_CMD_SET_POWER_SAVE)
89 	C2S(NL80211_CMD_GET_POWER_SAVE)
90 	C2S(NL80211_CMD_SET_CQM)
91 	C2S(NL80211_CMD_NOTIFY_CQM)
92 	C2S(NL80211_CMD_SET_CHANNEL)
93 	C2S(NL80211_CMD_SET_WDS_PEER)
94 	C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
95 	C2S(NL80211_CMD_JOIN_MESH)
96 	C2S(NL80211_CMD_LEAVE_MESH)
97 	C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
98 	C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
99 	C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
100 	C2S(NL80211_CMD_GET_WOWLAN)
101 	C2S(NL80211_CMD_SET_WOWLAN)
102 	C2S(NL80211_CMD_START_SCHED_SCAN)
103 	C2S(NL80211_CMD_STOP_SCHED_SCAN)
104 	C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
105 	C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
106 	C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
107 	C2S(NL80211_CMD_PMKSA_CANDIDATE)
108 	C2S(NL80211_CMD_TDLS_OPER)
109 	C2S(NL80211_CMD_TDLS_MGMT)
110 	C2S(NL80211_CMD_UNEXPECTED_FRAME)
111 	C2S(NL80211_CMD_PROBE_CLIENT)
112 	C2S(NL80211_CMD_REGISTER_BEACONS)
113 	C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
114 	C2S(NL80211_CMD_SET_NOACK_MAP)
115 	C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
116 	C2S(NL80211_CMD_START_P2P_DEVICE)
117 	C2S(NL80211_CMD_STOP_P2P_DEVICE)
118 	C2S(NL80211_CMD_CONN_FAILED)
119 	C2S(NL80211_CMD_SET_MCAST_RATE)
120 	C2S(NL80211_CMD_SET_MAC_ACL)
121 	C2S(NL80211_CMD_RADAR_DETECT)
122 	C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
123 	C2S(NL80211_CMD_UPDATE_FT_IES)
124 	C2S(NL80211_CMD_FT_EVENT)
125 	C2S(NL80211_CMD_CRIT_PROTOCOL_START)
126 	C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
127 	C2S(NL80211_CMD_GET_COALESCE)
128 	C2S(NL80211_CMD_SET_COALESCE)
129 	C2S(NL80211_CMD_CHANNEL_SWITCH)
130 	C2S(NL80211_CMD_VENDOR)
131 	C2S(NL80211_CMD_SET_QOS_MAP)
132 	C2S(NL80211_CMD_ADD_TX_TS)
133 	C2S(NL80211_CMD_DEL_TX_TS)
134 	C2S(NL80211_CMD_WIPHY_REG_CHANGE)
135 	C2S(NL80211_CMD_PORT_AUTHORIZED)
136 	C2S(NL80211_CMD_EXTERNAL_AUTH)
137 	C2S(NL80211_CMD_STA_OPMODE_CHANGED)
138 	C2S(NL80211_CMD_CONTROL_PORT_FRAME)
139 	C2S(NL80211_CMD_UPDATE_OWE_INFO)
140 	default:
141 		return "NL80211_CMD_UNKNOWN";
142 	}
143 #undef C2S
144 }
145 
146 
147 static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
148 			    const u8 *frame, size_t len)
149 {
150 	const struct ieee80211_mgmt *mgmt;
151 	union wpa_event_data event;
152 
153 	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
154 	    drv->force_connect_cmd) {
155 		/*
156 		 * Avoid reporting two association events that would confuse
157 		 * the core code.
158 		 */
159 		wpa_printf(MSG_DEBUG,
160 			   "nl80211: Ignore auth event when using driver SME");
161 		return;
162 	}
163 
164 	wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
165 	mgmt = (const struct ieee80211_mgmt *) frame;
166 	if (len < 24 + sizeof(mgmt->u.auth)) {
167 		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
168 			   "frame");
169 		return;
170 	}
171 
172 	os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
173 	os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
174 	os_memset(&event, 0, sizeof(event));
175 	os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
176 	event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
177 	event.auth.auth_transaction =
178 		le_to_host16(mgmt->u.auth.auth_transaction);
179 	event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
180 	if (len > 24 + sizeof(mgmt->u.auth)) {
181 		event.auth.ies = mgmt->u.auth.variable;
182 		event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
183 	}
184 
185 	wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
186 }
187 
188 
189 static void nl80211_parse_wmm_params(struct nlattr *wmm_attr,
190 				     struct wmm_params *wmm_params)
191 {
192 	struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
193 	static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
194 		[NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
195 	};
196 
197 	if (!wmm_attr ||
198 	    nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
199 			     wme_policy) ||
200 	    !wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
201 		return;
202 
203 	wmm_params->uapsd_queues =
204 		nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
205 	wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
206 }
207 
208 
209 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
210 			     const u8 *frame, size_t len, struct nlattr *wmm,
211 			     struct nlattr *req_ie)
212 {
213 	const struct ieee80211_mgmt *mgmt;
214 	union wpa_event_data event;
215 	u16 status;
216 	int ssid_len;
217 
218 	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
219 	    drv->force_connect_cmd) {
220 		/*
221 		 * Avoid reporting two association events that would confuse
222 		 * the core code.
223 		 */
224 		wpa_printf(MSG_DEBUG,
225 			   "nl80211: Ignore assoc event when using driver SME");
226 		return;
227 	}
228 
229 	wpa_printf(MSG_DEBUG, "nl80211: Associate event");
230 	mgmt = (const struct ieee80211_mgmt *) frame;
231 	if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
232 		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
233 			   "frame");
234 		return;
235 	}
236 
237 	status = le_to_host16(mgmt->u.assoc_resp.status_code);
238 	if (status != WLAN_STATUS_SUCCESS) {
239 		os_memset(&event, 0, sizeof(event));
240 		event.assoc_reject.bssid = mgmt->bssid;
241 		if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
242 			event.assoc_reject.resp_ies =
243 				(u8 *) mgmt->u.assoc_resp.variable;
244 			event.assoc_reject.resp_ies_len =
245 				len - 24 - sizeof(mgmt->u.assoc_resp);
246 		}
247 		event.assoc_reject.status_code = status;
248 
249 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
250 		return;
251 	}
252 
253 	drv->associated = 1;
254 	os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
255 	os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
256 
257 	os_memset(&event, 0, sizeof(event));
258 	event.assoc_info.resp_frame = frame;
259 	event.assoc_info.resp_frame_len = len;
260 	if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
261 		event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
262 		event.assoc_info.resp_ies_len =
263 			len - 24 - sizeof(mgmt->u.assoc_resp);
264 	}
265 
266 	if (req_ie) {
267 		event.assoc_info.req_ies = nla_data(req_ie);
268 		event.assoc_info.req_ies_len = nla_len(req_ie);
269 	}
270 
271 	/* When this association was initiated outside of wpa_supplicant,
272 	 * drv->ssid needs to be set here to satisfy later checking. */
273 	ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid);
274 	if (ssid_len > 0) {
275 		drv->ssid_len = ssid_len;
276 		wpa_printf(MSG_DEBUG,
277 			   "nl80211: Set drv->ssid based on scan res info to '%s'",
278 			   wpa_ssid_txt(drv->ssid, drv->ssid_len));
279 	}
280 
281 	event.assoc_info.freq = drv->assoc_freq;
282 	drv->first_bss->freq = drv->assoc_freq;
283 
284 	nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
285 
286 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
287 }
288 
289 
290 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
291 			       enum nl80211_commands cmd, struct nlattr *status,
292 			       struct nlattr *addr, struct nlattr *req_ie,
293 			       struct nlattr *resp_ie,
294 			       struct nlattr *timed_out,
295 			       struct nlattr *timeout_reason,
296 			       struct nlattr *authorized,
297 			       struct nlattr *key_replay_ctr,
298 			       struct nlattr *ptk_kck,
299 			       struct nlattr *ptk_kek,
300 			       struct nlattr *subnet_status,
301 			       struct nlattr *fils_erp_next_seq_num,
302 			       struct nlattr *fils_pmk,
303 			       struct nlattr *fils_pmkid)
304 {
305 	union wpa_event_data event;
306 	const u8 *ssid = NULL;
307 	u16 status_code;
308 	int ssid_len;
309 
310 	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
311 		/*
312 		 * Avoid reporting two association events that would confuse
313 		 * the core code.
314 		 */
315 		wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
316 			   "when using userspace SME", cmd);
317 		return;
318 	}
319 
320 	drv->connect_reassoc = 0;
321 
322 	status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
323 
324 	if (cmd == NL80211_CMD_CONNECT) {
325 		wpa_printf(MSG_DEBUG,
326 			   "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
327 			   status_code, drv->ignore_next_local_disconnect);
328 	} else if (cmd == NL80211_CMD_ROAM) {
329 		wpa_printf(MSG_DEBUG, "nl80211: Roam event");
330 	}
331 
332 	os_memset(&event, 0, sizeof(event));
333 	if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
334 		if (addr)
335 			event.assoc_reject.bssid = nla_data(addr);
336 		if (drv->ignore_next_local_disconnect) {
337 			drv->ignore_next_local_disconnect = 0;
338 			if (!event.assoc_reject.bssid ||
339 			    (os_memcmp(event.assoc_reject.bssid,
340 				       drv->auth_attempt_bssid,
341 				       ETH_ALEN) != 0)) {
342 				/*
343 				 * Ignore the event that came without a BSSID or
344 				 * for the old connection since this is likely
345 				 * not relevant to the new Connect command.
346 				 */
347 				wpa_printf(MSG_DEBUG,
348 					   "nl80211: Ignore connection failure event triggered during reassociation");
349 				return;
350 			}
351 		}
352 		if (resp_ie) {
353 			event.assoc_reject.resp_ies = nla_data(resp_ie);
354 			event.assoc_reject.resp_ies_len = nla_len(resp_ie);
355 		}
356 		event.assoc_reject.status_code = status_code;
357 		event.assoc_reject.timed_out = timed_out != NULL;
358 		if (timed_out && timeout_reason) {
359 			enum nl80211_timeout_reason reason;
360 
361 			reason = nla_get_u32(timeout_reason);
362 			switch (reason) {
363 			case NL80211_TIMEOUT_SCAN:
364 				event.assoc_reject.timeout_reason = "scan";
365 				break;
366 			case NL80211_TIMEOUT_AUTH:
367 				event.assoc_reject.timeout_reason = "auth";
368 				break;
369 			case NL80211_TIMEOUT_ASSOC:
370 				event.assoc_reject.timeout_reason = "assoc";
371 				break;
372 			default:
373 				break;
374 			}
375 		}
376 		if (fils_erp_next_seq_num)
377 			event.assoc_reject.fils_erp_next_seq_num =
378 				nla_get_u16(fils_erp_next_seq_num);
379 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
380 		return;
381 	}
382 
383 	drv->associated = 1;
384 	if (addr) {
385 		os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
386 		os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
387 	}
388 
389 	if (req_ie) {
390 		event.assoc_info.req_ies = nla_data(req_ie);
391 		event.assoc_info.req_ies_len = nla_len(req_ie);
392 
393 		if (cmd == NL80211_CMD_ROAM) {
394 			ssid = get_ie(event.assoc_info.req_ies,
395 				      event.assoc_info.req_ies_len,
396 				      WLAN_EID_SSID);
397 			if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
398 				drv->ssid_len = ssid[1];
399 				os_memcpy(drv->ssid, ssid + 2, ssid[1]);
400 				wpa_printf(MSG_DEBUG,
401 					   "nl80211: Set drv->ssid based on req_ie to '%s'",
402 					   wpa_ssid_txt(drv->ssid,
403 							drv->ssid_len));
404 			}
405 		}
406 	}
407 	if (resp_ie) {
408 		event.assoc_info.resp_ies = nla_data(resp_ie);
409 		event.assoc_info.resp_ies_len = nla_len(resp_ie);
410 	}
411 
412 	event.assoc_info.freq = nl80211_get_assoc_freq(drv);
413 	drv->first_bss->freq = drv->assoc_freq;
414 
415 	if ((!ssid || ssid[1] == 0 || ssid[1] > 32) &&
416 	    (ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid)) > 0) {
417 		/* When this connection was initiated outside of wpa_supplicant,
418 		 * drv->ssid needs to be set here to satisfy later checking. */
419 		drv->ssid_len = ssid_len;
420 		wpa_printf(MSG_DEBUG,
421 			   "nl80211: Set drv->ssid based on scan res info to '%s'",
422 			   wpa_ssid_txt(drv->ssid, drv->ssid_len));
423 	}
424 
425 	if (authorized && nla_get_u8(authorized)) {
426 		event.assoc_info.authorized = 1;
427 		wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
428 	}
429 	if (key_replay_ctr) {
430 		event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
431 		event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
432 	}
433 	if (ptk_kck) {
434 		event.assoc_info.ptk_kck = nla_data(ptk_kck);
435 		event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
436 	}
437 	if (ptk_kek) {
438 		event.assoc_info.ptk_kek = nla_data(ptk_kek);
439 		event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
440 	}
441 
442 	if (subnet_status) {
443 		/*
444 		 * At least for now, this is only available from
445 		 * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that
446 		 * attribute has the same values 0, 1, 2 as are used in the
447 		 * variable here, so no mapping between different values are
448 		 * needed.
449 		 */
450 		event.assoc_info.subnet_status = nla_get_u8(subnet_status);
451 	}
452 
453 	if (fils_erp_next_seq_num)
454 		event.assoc_info.fils_erp_next_seq_num =
455 			nla_get_u16(fils_erp_next_seq_num);
456 
457 	if (fils_pmk) {
458 		event.assoc_info.fils_pmk = nla_data(fils_pmk);
459 		event.assoc_info.fils_pmk_len = nla_len(fils_pmk);
460 	}
461 
462 	if (fils_pmkid)
463 		event.assoc_info.fils_pmkid = nla_data(fils_pmkid);
464 
465 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
466 }
467 
468 
469 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
470 				  struct nlattr *reason, struct nlattr *addr,
471 				  struct nlattr *by_ap)
472 {
473 	union wpa_event_data data;
474 	unsigned int locally_generated = by_ap == NULL;
475 
476 	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
477 		/*
478 		 * Avoid reporting two disassociation events that could
479 		 * confuse the core code.
480 		 */
481 		wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
482 			   "event when using userspace SME");
483 		return;
484 	}
485 
486 	if (drv->ignore_next_local_disconnect) {
487 		drv->ignore_next_local_disconnect = 0;
488 		if (locally_generated) {
489 			wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
490 				   "event triggered during reassociation");
491 			return;
492 		}
493 		wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
494 			   "disconnect but got another disconnect "
495 			   "event first");
496 	}
497 
498 	wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
499 	nl80211_mark_disconnected(drv);
500 	os_memset(&data, 0, sizeof(data));
501 	if (reason)
502 		data.deauth_info.reason_code = nla_get_u16(reason);
503 	data.deauth_info.locally_generated = by_ap == NULL;
504 	wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
505 }
506 
507 
508 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
509 {
510 	int freq1 = 0;
511 
512 	switch (convert2width(width)) {
513 	case CHAN_WIDTH_20_NOHT:
514 	case CHAN_WIDTH_20:
515 		return 0;
516 	case CHAN_WIDTH_40:
517 		freq1 = cf1 - 10;
518 		break;
519 	case CHAN_WIDTH_80:
520 		freq1 = cf1 - 30;
521 		break;
522 	case CHAN_WIDTH_160:
523 		freq1 = cf1 - 70;
524 		break;
525 	case CHAN_WIDTH_UNKNOWN:
526 	case CHAN_WIDTH_80P80:
527 		/* FIXME: implement this */
528 		return 0;
529 	}
530 
531 	return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
532 }
533 
534 
535 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
536 				 struct nlattr *ifindex, struct nlattr *freq,
537 				 struct nlattr *type, struct nlattr *bw,
538 				 struct nlattr *cf1, struct nlattr *cf2,
539 				 int finished)
540 {
541 	struct i802_bss *bss;
542 	union wpa_event_data data;
543 	int ht_enabled = 1;
544 	int chan_offset = 0;
545 	int ifidx;
546 
547 	wpa_printf(MSG_DEBUG, "nl80211: Channel switch%s event",
548 		   finished ? "" : " started");
549 
550 	if (!freq)
551 		return;
552 
553 	ifidx = nla_get_u32(ifindex);
554 	bss = get_bss_ifindex(drv, ifidx);
555 	if (bss == NULL) {
556 		wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
557 			   ifidx);
558 		return;
559 	}
560 
561 	if (type) {
562 		enum nl80211_channel_type ch_type = nla_get_u32(type);
563 
564 		wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
565 		switch (ch_type) {
566 		case NL80211_CHAN_NO_HT:
567 			ht_enabled = 0;
568 			break;
569 		case NL80211_CHAN_HT20:
570 			break;
571 		case NL80211_CHAN_HT40PLUS:
572 			chan_offset = 1;
573 			break;
574 		case NL80211_CHAN_HT40MINUS:
575 			chan_offset = -1;
576 			break;
577 		}
578 	} else if (bw && cf1) {
579 		/* This can happen for example with VHT80 ch switch */
580 		chan_offset = calculate_chan_offset(nla_get_u32(bw),
581 						    nla_get_u32(freq),
582 						    nla_get_u32(cf1),
583 						    cf2 ? nla_get_u32(cf2) : 0);
584 	} else {
585 		wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
586 	}
587 
588 	os_memset(&data, 0, sizeof(data));
589 	data.ch_switch.freq = nla_get_u32(freq);
590 	data.ch_switch.ht_enabled = ht_enabled;
591 	data.ch_switch.ch_offset = chan_offset;
592 	if (bw)
593 		data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
594 	if (cf1)
595 		data.ch_switch.cf1 = nla_get_u32(cf1);
596 	if (cf2)
597 		data.ch_switch.cf2 = nla_get_u32(cf2);
598 
599 	if (finished)
600 		bss->freq = data.ch_switch.freq;
601 	drv->assoc_freq = data.ch_switch.freq;
602 
603 	wpa_supplicant_event(bss->ctx, finished ?
604 			     EVENT_CH_SWITCH : EVENT_CH_SWITCH_STARTED, &data);
605 }
606 
607 
608 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
609 			       enum nl80211_commands cmd, struct nlattr *addr)
610 {
611 	union wpa_event_data event;
612 	enum wpa_event_type ev;
613 
614 	if (nla_len(addr) != ETH_ALEN)
615 		return;
616 
617 	wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
618 		   cmd, MAC2STR((u8 *) nla_data(addr)));
619 
620 	if (cmd == NL80211_CMD_AUTHENTICATE)
621 		ev = EVENT_AUTH_TIMED_OUT;
622 	else if (cmd == NL80211_CMD_ASSOCIATE)
623 		ev = EVENT_ASSOC_TIMED_OUT;
624 	else
625 		return;
626 
627 	os_memset(&event, 0, sizeof(event));
628 	os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
629 	wpa_supplicant_event(drv->ctx, ev, &event);
630 }
631 
632 
633 static void mlme_event_mgmt(struct i802_bss *bss,
634 			    struct nlattr *freq, struct nlattr *sig,
635 			    const u8 *frame, size_t len)
636 {
637 	struct wpa_driver_nl80211_data *drv = bss->drv;
638 	const struct ieee80211_mgmt *mgmt;
639 	union wpa_event_data event;
640 	u16 fc, stype;
641 	int ssi_signal = 0;
642 	int rx_freq = 0;
643 
644 	wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
645 	mgmt = (const struct ieee80211_mgmt *) frame;
646 	if (len < 24) {
647 		wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
648 		return;
649 	}
650 
651 	fc = le_to_host16(mgmt->frame_control);
652 	stype = WLAN_FC_GET_STYPE(fc);
653 
654 	if (sig)
655 		ssi_signal = (s32) nla_get_u32(sig);
656 
657 	os_memset(&event, 0, sizeof(event));
658 	if (freq) {
659 		event.rx_mgmt.freq = nla_get_u32(freq);
660 		rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
661 	}
662 	wpa_printf(MSG_DEBUG,
663 		   "nl80211: RX frame da=" MACSTR " sa=" MACSTR " bssid=" MACSTR
664 		   " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
665 		   MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
666 		   rx_freq, ssi_signal, fc,
667 		   le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
668 		   (unsigned int) len);
669 	event.rx_mgmt.frame = frame;
670 	event.rx_mgmt.frame_len = len;
671 	event.rx_mgmt.ssi_signal = ssi_signal;
672 	event.rx_mgmt.drv_priv = bss;
673 	wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
674 }
675 
676 
677 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
678 				      struct nlattr *cookie, const u8 *frame,
679 				      size_t len, struct nlattr *ack)
680 {
681 	union wpa_event_data event;
682 	const struct ieee80211_hdr *hdr;
683 	u16 fc;
684 
685 	wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
686 	if (!is_ap_interface(drv->nlmode)) {
687 		u64 cookie_val;
688 
689 		if (!cookie)
690 			return;
691 
692 		cookie_val = nla_get_u64(cookie);
693 		wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
694 			   " cookie=0x%llx%s (ack=%d)",
695 			   (long long unsigned int) cookie_val,
696 			   cookie_val == drv->send_action_cookie ?
697 			   " (match)" : " (unknown)", ack != NULL);
698 		if (cookie_val != drv->send_action_cookie)
699 			return;
700 	}
701 
702 	hdr = (const struct ieee80211_hdr *) frame;
703 	fc = le_to_host16(hdr->frame_control);
704 
705 	os_memset(&event, 0, sizeof(event));
706 	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
707 	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
708 	event.tx_status.dst = hdr->addr1;
709 	event.tx_status.data = frame;
710 	event.tx_status.data_len = len;
711 	event.tx_status.ack = ack != NULL;
712 	wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
713 }
714 
715 
716 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
717 				       enum wpa_event_type type,
718 				       const u8 *frame, size_t len)
719 {
720 	const struct ieee80211_mgmt *mgmt;
721 	union wpa_event_data event;
722 	const u8 *bssid = NULL;
723 	u16 reason_code = 0;
724 
725 	if (type == EVENT_DEAUTH)
726 		wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
727 	else
728 		wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
729 
730 	mgmt = (const struct ieee80211_mgmt *) frame;
731 	if (len >= 24) {
732 		bssid = mgmt->bssid;
733 
734 		if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
735 		    !drv->associated &&
736 		    os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
737 		    os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
738 		    os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
739 			/*
740 			 * Avoid issues with some roaming cases where
741 			 * disconnection event for the old AP may show up after
742 			 * we have started connection with the new AP.
743 			 * In case of locally generated event clear
744 			 * ignore_next_local_deauth as well, to avoid next local
745 			 * deauth event be wrongly ignored.
746 			 */
747 			if (!os_memcmp(mgmt->sa, drv->first_bss->addr,
748 				       ETH_ALEN)) {
749 				wpa_printf(MSG_DEBUG,
750 					   "nl80211: Received a locally generated deauth event. Clear ignore_next_local_deauth flag");
751 				drv->ignore_next_local_deauth = 0;
752 			} else {
753 				wpa_printf(MSG_DEBUG,
754 					   "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
755 					   MAC2STR(bssid),
756 					   MAC2STR(drv->auth_attempt_bssid));
757 			}
758 			return;
759 		}
760 
761 		if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
762 		    drv->connect_reassoc && drv->associated &&
763 		    os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0 &&
764 		    os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0) {
765 			/*
766 			 * Avoid issues with some roaming cases where
767 			 * disconnection event for the old AP may show up after
768 			 * we have started connection with the new AP.
769 			 */
770 			wpa_printf(MSG_DEBUG,
771 				   "nl80211: Ignore deauth/disassoc event from old AP "
772 				   MACSTR
773 				   " when already connecting with " MACSTR,
774 				   MAC2STR(bssid),
775 				   MAC2STR(drv->auth_attempt_bssid));
776 			return;
777 		}
778 
779 		if (drv->associated != 0 &&
780 		    os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
781 		    os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
782 			/*
783 			 * We have presumably received this deauth as a
784 			 * response to a clear_state_mismatch() outgoing
785 			 * deauth.  Don't let it take us offline!
786 			 */
787 			wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
788 				   "from Unknown BSSID " MACSTR " -- ignoring",
789 				   MAC2STR(bssid));
790 			return;
791 		}
792 	}
793 
794 	nl80211_mark_disconnected(drv);
795 	os_memset(&event, 0, sizeof(event));
796 
797 	/* Note: Same offset for Reason Code in both frame subtypes */
798 	if (len >= 24 + sizeof(mgmt->u.deauth))
799 		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
800 
801 	if (type == EVENT_DISASSOC) {
802 		event.disassoc_info.locally_generated =
803 			!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
804 		event.disassoc_info.addr = bssid;
805 		event.disassoc_info.reason_code = reason_code;
806 		if (frame + len > mgmt->u.disassoc.variable) {
807 			event.disassoc_info.ie = mgmt->u.disassoc.variable;
808 			event.disassoc_info.ie_len = frame + len -
809 				mgmt->u.disassoc.variable;
810 		}
811 	} else {
812 		event.deauth_info.locally_generated =
813 			!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
814 		if (drv->ignore_deauth_event) {
815 			wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
816 			drv->ignore_deauth_event = 0;
817 			if (event.deauth_info.locally_generated)
818 				drv->ignore_next_local_deauth = 0;
819 			return;
820 		}
821 		if (drv->ignore_next_local_deauth) {
822 			drv->ignore_next_local_deauth = 0;
823 			if (event.deauth_info.locally_generated) {
824 				wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
825 				return;
826 			}
827 			wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
828 		}
829 		event.deauth_info.addr = bssid;
830 		event.deauth_info.reason_code = reason_code;
831 		if (frame + len > mgmt->u.deauth.variable) {
832 			event.deauth_info.ie = mgmt->u.deauth.variable;
833 			event.deauth_info.ie_len = frame + len -
834 				mgmt->u.deauth.variable;
835 		}
836 	}
837 
838 	wpa_supplicant_event(drv->ctx, type, &event);
839 }
840 
841 
842 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
843 					 enum wpa_event_type type,
844 					 const u8 *frame, size_t len)
845 {
846 	const struct ieee80211_mgmt *mgmt;
847 	union wpa_event_data event;
848 	u16 reason_code = 0;
849 
850 	if (type == EVENT_UNPROT_DEAUTH)
851 		wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
852 	else
853 		wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
854 
855 	if (len < 24)
856 		return;
857 
858 	mgmt = (const struct ieee80211_mgmt *) frame;
859 
860 	os_memset(&event, 0, sizeof(event));
861 	/* Note: Same offset for Reason Code in both frame subtypes */
862 	if (len >= 24 + sizeof(mgmt->u.deauth))
863 		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
864 
865 	if (type == EVENT_UNPROT_DISASSOC) {
866 		event.unprot_disassoc.sa = mgmt->sa;
867 		event.unprot_disassoc.da = mgmt->da;
868 		event.unprot_disassoc.reason_code = reason_code;
869 	} else {
870 		event.unprot_deauth.sa = mgmt->sa;
871 		event.unprot_deauth.da = mgmt->da;
872 		event.unprot_deauth.reason_code = reason_code;
873 	}
874 
875 	wpa_supplicant_event(drv->ctx, type, &event);
876 }
877 
878 
879 static void mlme_event(struct i802_bss *bss,
880 		       enum nl80211_commands cmd, struct nlattr *frame,
881 		       struct nlattr *addr, struct nlattr *timed_out,
882 		       struct nlattr *freq, struct nlattr *ack,
883 		       struct nlattr *cookie, struct nlattr *sig,
884 		       struct nlattr *wmm, struct nlattr *req_ie)
885 {
886 	struct wpa_driver_nl80211_data *drv = bss->drv;
887 	const u8 *data;
888 	size_t len;
889 
890 	if (timed_out && addr) {
891 		mlme_timeout_event(drv, cmd, addr);
892 		return;
893 	}
894 
895 	if (frame == NULL) {
896 		wpa_printf(MSG_DEBUG,
897 			   "nl80211: MLME event %d (%s) without frame data",
898 			   cmd, nl80211_command_to_string(cmd));
899 		return;
900 	}
901 
902 	data = nla_data(frame);
903 	len = nla_len(frame);
904 	if (len < 4 + 2 * ETH_ALEN) {
905 		wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
906 			   MACSTR ") - too short",
907 			   cmd, nl80211_command_to_string(cmd), bss->ifname,
908 			   MAC2STR(bss->addr));
909 		return;
910 	}
911 	wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
912 		   ") A1=" MACSTR " A2=" MACSTR, cmd,
913 		   nl80211_command_to_string(cmd), bss->ifname,
914 		   MAC2STR(bss->addr), MAC2STR(data + 4),
915 		   MAC2STR(data + 4 + ETH_ALEN));
916 	if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
917 	    os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
918 	    (is_zero_ether_addr(bss->rand_addr) ||
919 	     os_memcmp(bss->rand_addr, data + 4, ETH_ALEN) != 0) &&
920 	    os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
921 		wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
922 			   "for foreign address", bss->ifname);
923 		return;
924 	}
925 	wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
926 		    nla_data(frame), nla_len(frame));
927 
928 	switch (cmd) {
929 	case NL80211_CMD_AUTHENTICATE:
930 		mlme_event_auth(drv, nla_data(frame), nla_len(frame));
931 		break;
932 	case NL80211_CMD_ASSOCIATE:
933 		mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm,
934 				 req_ie);
935 		break;
936 	case NL80211_CMD_DEAUTHENTICATE:
937 		mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
938 					   nla_data(frame), nla_len(frame));
939 		break;
940 	case NL80211_CMD_DISASSOCIATE:
941 		mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
942 					   nla_data(frame), nla_len(frame));
943 		break;
944 	case NL80211_CMD_FRAME:
945 		mlme_event_mgmt(bss, freq, sig, nla_data(frame),
946 				nla_len(frame));
947 		break;
948 	case NL80211_CMD_FRAME_TX_STATUS:
949 		mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
950 					  nla_len(frame), ack);
951 		break;
952 	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
953 		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
954 					     nla_data(frame), nla_len(frame));
955 		break;
956 	case NL80211_CMD_UNPROT_DISASSOCIATE:
957 		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
958 					     nla_data(frame), nla_len(frame));
959 		break;
960 	default:
961 		break;
962 	}
963 }
964 
965 
966 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
967 					   struct nlattr *tb[])
968 {
969 	union wpa_event_data data;
970 
971 	wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
972 	os_memset(&data, 0, sizeof(data));
973 	if (tb[NL80211_ATTR_MAC]) {
974 		wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
975 			    nla_data(tb[NL80211_ATTR_MAC]),
976 			    nla_len(tb[NL80211_ATTR_MAC]));
977 		data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
978 	}
979 	if (tb[NL80211_ATTR_KEY_SEQ]) {
980 		wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
981 			    nla_data(tb[NL80211_ATTR_KEY_SEQ]),
982 			    nla_len(tb[NL80211_ATTR_KEY_SEQ]));
983 	}
984 	if (tb[NL80211_ATTR_KEY_TYPE]) {
985 		enum nl80211_key_type key_type =
986 			nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
987 		wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
988 		if (key_type == NL80211_KEYTYPE_PAIRWISE)
989 			data.michael_mic_failure.unicast = 1;
990 	} else
991 		data.michael_mic_failure.unicast = 1;
992 
993 	if (tb[NL80211_ATTR_KEY_IDX]) {
994 		u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
995 		wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
996 	}
997 
998 	wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
999 }
1000 
1001 
1002 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1003 				 struct nlattr *tb[])
1004 {
1005 	unsigned int freq;
1006 	union wpa_event_data event;
1007 
1008 	if (tb[NL80211_ATTR_MAC] == NULL) {
1009 		wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1010 			   "event");
1011 		return;
1012 	}
1013 	os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1014 
1015 	drv->associated = 1;
1016 	wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1017 		   MAC2STR(drv->bssid));
1018 
1019 	freq = nl80211_get_assoc_freq(drv);
1020 	if (freq) {
1021 		wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
1022 			   freq);
1023 		drv->first_bss->freq = freq;
1024 	}
1025 
1026 	os_memset(&event, 0, sizeof(event));
1027 	event.assoc_info.freq = freq;
1028 
1029 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1030 }
1031 
1032 
1033 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1034 					 int cancel_event, struct nlattr *tb[])
1035 {
1036 	unsigned int freq, chan_type, duration;
1037 	union wpa_event_data data;
1038 	u64 cookie;
1039 
1040 	if (tb[NL80211_ATTR_WIPHY_FREQ])
1041 		freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1042 	else
1043 		freq = 0;
1044 
1045 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1046 		chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1047 	else
1048 		chan_type = 0;
1049 
1050 	if (tb[NL80211_ATTR_DURATION])
1051 		duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1052 	else
1053 		duration = 0;
1054 
1055 	if (tb[NL80211_ATTR_COOKIE])
1056 		cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1057 	else
1058 		cookie = 0;
1059 
1060 	wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1061 		   "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1062 		   cancel_event, freq, chan_type, duration,
1063 		   (long long unsigned int) cookie,
1064 		   cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1065 
1066 	if (cookie != drv->remain_on_chan_cookie)
1067 		return; /* not for us */
1068 
1069 	if (cancel_event)
1070 		drv->pending_remain_on_chan = 0;
1071 
1072 	os_memset(&data, 0, sizeof(data));
1073 	data.remain_on_channel.freq = freq;
1074 	data.remain_on_channel.duration = duration;
1075 	wpa_supplicant_event(drv->ctx, cancel_event ?
1076 			     EVENT_CANCEL_REMAIN_ON_CHANNEL :
1077 			     EVENT_REMAIN_ON_CHANNEL, &data);
1078 }
1079 
1080 
1081 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1082 				struct nlattr *tb[])
1083 {
1084 	union wpa_event_data data;
1085 
1086 	os_memset(&data, 0, sizeof(data));
1087 
1088 	if (tb[NL80211_ATTR_IE]) {
1089 		data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1090 		data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1091 	}
1092 
1093 	if (tb[NL80211_ATTR_IE_RIC]) {
1094 		data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1095 		data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1096 	}
1097 
1098 	if (tb[NL80211_ATTR_MAC])
1099 		os_memcpy(data.ft_ies.target_ap,
1100 			  nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1101 
1102 	wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1103 		   MAC2STR(data.ft_ies.target_ap));
1104 
1105 	wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1106 }
1107 
1108 
1109 static void mlme_event_dh_event(struct wpa_driver_nl80211_data *drv,
1110 				struct i802_bss *bss,
1111 				struct nlattr *tb[])
1112 {
1113 	union wpa_event_data data;
1114 
1115 	if (!is_ap_interface(drv->nlmode))
1116 		return;
1117 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1118 		return;
1119 
1120 	os_memset(&data, 0, sizeof(data));
1121 	data.update_dh.peer = nla_data(tb[NL80211_ATTR_MAC]);
1122 	data.update_dh.ie = nla_data(tb[NL80211_ATTR_IE]);
1123 	data.update_dh.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1124 
1125 	wpa_printf(MSG_DEBUG, "nl80211: DH event - peer " MACSTR,
1126 		   MAC2STR(data.update_dh.peer));
1127 
1128 	wpa_supplicant_event(bss->ctx, EVENT_UPDATE_DH, &data);
1129 }
1130 
1131 
1132 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1133 			    struct nlattr *tb[], int external_scan)
1134 {
1135 	union wpa_event_data event;
1136 	struct nlattr *nl;
1137 	int rem;
1138 	struct scan_info *info;
1139 #define MAX_REPORT_FREQS 50
1140 	int freqs[MAX_REPORT_FREQS];
1141 	int num_freqs = 0;
1142 
1143 	if (!external_scan && drv->scan_for_auth) {
1144 		drv->scan_for_auth = 0;
1145 		wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1146 			   "cfg80211 BSS entry");
1147 		wpa_driver_nl80211_authenticate_retry(drv);
1148 		return;
1149 	}
1150 
1151 	os_memset(&event, 0, sizeof(event));
1152 	info = &event.scan_info;
1153 	info->aborted = aborted;
1154 	info->external_scan = external_scan;
1155 	info->nl_scan_event = 1;
1156 
1157 	if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1158 		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1159 			struct wpa_driver_scan_ssid *s =
1160 				&info->ssids[info->num_ssids];
1161 			s->ssid = nla_data(nl);
1162 			s->ssid_len = nla_len(nl);
1163 			wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1164 				   wpa_ssid_txt(s->ssid, s->ssid_len));
1165 			info->num_ssids++;
1166 			if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1167 				break;
1168 		}
1169 	}
1170 	if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1171 		char msg[300], *pos, *end;
1172 		int res;
1173 
1174 		pos = msg;
1175 		end = pos + sizeof(msg);
1176 		*pos = '\0';
1177 
1178 		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1179 		{
1180 			freqs[num_freqs] = nla_get_u32(nl);
1181 			res = os_snprintf(pos, end - pos, " %d",
1182 					  freqs[num_freqs]);
1183 			if (!os_snprintf_error(end - pos, res))
1184 				pos += res;
1185 			num_freqs++;
1186 			if (num_freqs == MAX_REPORT_FREQS - 1)
1187 				break;
1188 		}
1189 		info->freqs = freqs;
1190 		info->num_freqs = num_freqs;
1191 		wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1192 			   msg);
1193 	}
1194 
1195 	if (tb[NL80211_ATTR_SCAN_START_TIME_TSF] &&
1196 	    tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]) {
1197 		info->scan_start_tsf =
1198 			nla_get_u64(tb[NL80211_ATTR_SCAN_START_TIME_TSF]);
1199 		os_memcpy(info->scan_start_tsf_bssid,
1200 			  nla_data(tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]),
1201 			  ETH_ALEN);
1202 	}
1203 
1204 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1205 }
1206 
1207 
1208 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1209 			      struct nlattr *tb[])
1210 {
1211 	static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1212 		[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1213 		[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1214 		[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1215 		[NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1216 		[NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
1217 		[NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
1218 		[NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
1219 		[NL80211_ATTR_CQM_BEACON_LOSS_EVENT] = { .type = NLA_FLAG },
1220 	};
1221 	struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1222 	enum nl80211_cqm_rssi_threshold_event event;
1223 	union wpa_event_data ed;
1224 	struct wpa_signal_info sig;
1225 	int res;
1226 
1227 	if (tb[NL80211_ATTR_CQM] == NULL ||
1228 	    nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1229 			     cqm_policy)) {
1230 		wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1231 		return;
1232 	}
1233 
1234 	os_memset(&ed, 0, sizeof(ed));
1235 
1236 	if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1237 		if (!tb[NL80211_ATTR_MAC])
1238 			return;
1239 		os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1240 			  ETH_ALEN);
1241 		ed.low_ack.num_packets =
1242 			nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
1243 		wpa_printf(MSG_DEBUG, "nl80211: Packet loss event for " MACSTR
1244 			   " (num_packets %u)",
1245 			   MAC2STR(ed.low_ack.addr), ed.low_ack.num_packets);
1246 		wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1247 		return;
1248 	}
1249 
1250 	if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
1251 		wpa_printf(MSG_DEBUG, "nl80211: Beacon loss event");
1252 		wpa_supplicant_event(drv->ctx, EVENT_BEACON_LOSS, NULL);
1253 		return;
1254 	}
1255 
1256 	if (cqm[NL80211_ATTR_CQM_TXE_RATE] &&
1257 	    cqm[NL80211_ATTR_CQM_TXE_PKTS] &&
1258 	    cqm[NL80211_ATTR_CQM_TXE_INTVL] &&
1259 	    cqm[NL80211_ATTR_MAC]) {
1260 		wpa_printf(MSG_DEBUG, "nl80211: CQM TXE event for " MACSTR
1261 			   " (rate: %u pkts: %u interval: %u)",
1262 			   MAC2STR((u8 *) nla_data(cqm[NL80211_ATTR_MAC])),
1263 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_RATE]),
1264 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_PKTS]),
1265 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_INTVL]));
1266 		return;
1267 	}
1268 
1269 	if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) {
1270 		wpa_printf(MSG_DEBUG,
1271 			   "nl80211: Not a CQM RSSI threshold event");
1272 		return;
1273 	}
1274 	event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1275 
1276 	if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1277 		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1278 			   "event: RSSI high");
1279 		ed.signal_change.above_threshold = 1;
1280 	} else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1281 		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1282 			   "event: RSSI low");
1283 		ed.signal_change.above_threshold = 0;
1284 	} else {
1285 		wpa_printf(MSG_DEBUG,
1286 			   "nl80211: Unknown CQM RSSI threshold event: %d",
1287 			   event);
1288 		return;
1289 	}
1290 
1291 	res = nl80211_get_link_signal(drv, &sig);
1292 	if (res == 0) {
1293 		ed.signal_change.current_signal = sig.current_signal;
1294 		ed.signal_change.current_txrate = sig.current_txrate;
1295 		wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1296 			   sig.current_signal, sig.current_txrate);
1297 	}
1298 
1299 	res = nl80211_get_link_noise(drv, &sig);
1300 	if (res == 0) {
1301 		ed.signal_change.current_noise = sig.current_noise;
1302 		wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1303 			   sig.current_noise);
1304 	}
1305 
1306 	wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1307 }
1308 
1309 
1310 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1311 				       struct nlattr **tb)
1312 {
1313 	const u8 *addr;
1314 	union wpa_event_data data;
1315 
1316 	if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1317 	    !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1318 		return;
1319 
1320 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1321 	wpa_printf(MSG_DEBUG, "nl80211: New peer candidate " MACSTR,
1322 		   MAC2STR(addr));
1323 
1324 	os_memset(&data, 0, sizeof(data));
1325 	data.mesh_peer.peer = addr;
1326 	data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1327 	data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1328 	wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1329 }
1330 
1331 
1332 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1333 				      struct i802_bss *bss,
1334 				      struct nlattr **tb)
1335 {
1336 	u8 *addr;
1337 	union wpa_event_data data;
1338 
1339 	if (tb[NL80211_ATTR_MAC] == NULL)
1340 		return;
1341 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1342 	wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1343 
1344 	if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1345 		u8 *ies = NULL;
1346 		size_t ies_len = 0;
1347 		if (tb[NL80211_ATTR_IE]) {
1348 			ies = nla_data(tb[NL80211_ATTR_IE]);
1349 			ies_len = nla_len(tb[NL80211_ATTR_IE]);
1350 		}
1351 		wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1352 		drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1353 		return;
1354 	}
1355 
1356 	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1357 		return;
1358 
1359 	os_memset(&data, 0, sizeof(data));
1360 	os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1361 	wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1362 }
1363 
1364 
1365 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1366 				      struct i802_bss *bss,
1367 				      struct nlattr **tb)
1368 {
1369 	u8 *addr;
1370 	union wpa_event_data data;
1371 
1372 	if (tb[NL80211_ATTR_MAC] == NULL)
1373 		return;
1374 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1375 	wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1376 		   MAC2STR(addr));
1377 
1378 	if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1379 		drv_event_disassoc(bss->ctx, addr);
1380 		return;
1381 	}
1382 
1383 	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1384 		return;
1385 
1386 	os_memset(&data, 0, sizeof(data));
1387 	os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1388 	wpa_supplicant_event(bss->ctx, EVENT_IBSS_PEER_LOST, &data);
1389 }
1390 
1391 
1392 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1393 					struct nlattr **tb)
1394 {
1395 	struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1396 	static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1397 		[NL80211_REKEY_DATA_KEK] = {
1398 			.minlen = NL80211_KEK_LEN,
1399 			.maxlen = NL80211_KEK_LEN,
1400 		},
1401 		[NL80211_REKEY_DATA_KCK] = {
1402 			.minlen = NL80211_KCK_LEN,
1403 			.maxlen = NL80211_KCK_LEN,
1404 		},
1405 		[NL80211_REKEY_DATA_REPLAY_CTR] = {
1406 			.minlen = NL80211_REPLAY_CTR_LEN,
1407 			.maxlen = NL80211_REPLAY_CTR_LEN,
1408 		},
1409 	};
1410 	union wpa_event_data data;
1411 
1412 	if (!tb[NL80211_ATTR_MAC] ||
1413 	    !tb[NL80211_ATTR_REKEY_DATA] ||
1414 	    nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1415 			     tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1416 	    !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1417 		return;
1418 
1419 	os_memset(&data, 0, sizeof(data));
1420 	data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1421 	wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1422 		   MAC2STR(data.driver_gtk_rekey.bssid));
1423 	data.driver_gtk_rekey.replay_ctr =
1424 		nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1425 	wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1426 		    data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1427 	wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1428 }
1429 
1430 
1431 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1432 					  struct nlattr **tb)
1433 {
1434 	struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1435 	static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1436 		[NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1437 		[NL80211_PMKSA_CANDIDATE_BSSID] = {
1438 			.minlen = ETH_ALEN,
1439 			.maxlen = ETH_ALEN,
1440 		},
1441 		[NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1442 	};
1443 	union wpa_event_data data;
1444 
1445 	wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1446 
1447 	if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1448 	    nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1449 			     tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1450 	    !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1451 	    !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1452 		return;
1453 
1454 	os_memset(&data, 0, sizeof(data));
1455 	os_memcpy(data.pmkid_candidate.bssid,
1456 		  nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1457 	data.pmkid_candidate.index =
1458 		nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1459 	data.pmkid_candidate.preauth =
1460 		cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1461 	wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1462 }
1463 
1464 
1465 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1466 				       struct nlattr **tb)
1467 {
1468 	union wpa_event_data data;
1469 	const u8 *addr;
1470 	u64 cookie = 0;
1471 
1472 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1473 	if (!addr)
1474 		return;
1475 	if (tb[NL80211_ATTR_COOKIE])
1476 		cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1477 	wpa_printf(MSG_DEBUG, "nl80211: Probe client event (addr=" MACSTR
1478 		   " ack=%d cookie=%llu)", MAC2STR(addr),
1479 		   tb[NL80211_ATTR_ACK] != NULL,
1480 		   (long long unsigned int) cookie);
1481 	if (!tb[NL80211_ATTR_ACK])
1482 		return;
1483 
1484 	os_memset(&data, 0, sizeof(data));
1485 	os_memcpy(data.client_poll.addr, addr, ETH_ALEN);
1486 	wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1487 }
1488 
1489 
1490 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1491 				    struct nlattr **tb)
1492 {
1493 	union wpa_event_data data;
1494 
1495 	wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1496 
1497 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1498 		return;
1499 
1500 	os_memset(&data, 0, sizeof(data));
1501 	os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1502 	switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1503 	case NL80211_TDLS_SETUP:
1504 		wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1505 			   MACSTR, MAC2STR(data.tdls.peer));
1506 		data.tdls.oper = TDLS_REQUEST_SETUP;
1507 		break;
1508 	case NL80211_TDLS_TEARDOWN:
1509 		wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1510 			   MACSTR, MAC2STR(data.tdls.peer));
1511 		data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1512 		break;
1513 	case NL80211_TDLS_DISCOVERY_REQ:
1514 		wpa_printf(MSG_DEBUG,
1515 			   "nl80211: TDLS discovery request for peer " MACSTR,
1516 			   MAC2STR(data.tdls.peer));
1517 		data.tdls.oper = TDLS_REQUEST_DISCOVER;
1518 		break;
1519 	default:
1520 		wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1521 			   "event");
1522 		return;
1523 	}
1524 	if (tb[NL80211_ATTR_REASON_CODE]) {
1525 		data.tdls.reason_code =
1526 			nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1527 	}
1528 
1529 	wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1530 }
1531 
1532 
1533 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1534 			    struct nlattr **tb)
1535 {
1536 	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1537 }
1538 
1539 
1540 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1541 					 struct nlattr **tb)
1542 {
1543 	union wpa_event_data data;
1544 	u32 reason;
1545 
1546 	wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1547 
1548 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1549 		return;
1550 
1551 	os_memset(&data, 0, sizeof(data));
1552 	os_memcpy(data.connect_failed_reason.addr,
1553 		  nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1554 
1555 	reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1556 	switch (reason) {
1557 	case NL80211_CONN_FAIL_MAX_CLIENTS:
1558 		wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1559 		data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1560 		break;
1561 	case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1562 		wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1563 			   " tried to connect",
1564 			   MAC2STR(data.connect_failed_reason.addr));
1565 		data.connect_failed_reason.code = BLOCKED_CLIENT;
1566 		break;
1567 	default:
1568 		wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1569 			   "%u", reason);
1570 		return;
1571 	}
1572 
1573 	wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1574 }
1575 
1576 
1577 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1578 				struct nlattr **tb)
1579 {
1580 	union wpa_event_data data;
1581 	enum nl80211_radar_event event_type;
1582 
1583 	if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1584 		return;
1585 
1586 	os_memset(&data, 0, sizeof(data));
1587 	data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1588 	event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1589 
1590 	/* Check HT params */
1591 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1592 		data.dfs_event.ht_enabled = 1;
1593 		data.dfs_event.chan_offset = 0;
1594 
1595 		switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1596 		case NL80211_CHAN_NO_HT:
1597 			data.dfs_event.ht_enabled = 0;
1598 			break;
1599 		case NL80211_CHAN_HT20:
1600 			break;
1601 		case NL80211_CHAN_HT40PLUS:
1602 			data.dfs_event.chan_offset = 1;
1603 			break;
1604 		case NL80211_CHAN_HT40MINUS:
1605 			data.dfs_event.chan_offset = -1;
1606 			break;
1607 		}
1608 	}
1609 
1610 	/* Get VHT params */
1611 	if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1612 		data.dfs_event.chan_width =
1613 			convert2width(nla_get_u32(
1614 					      tb[NL80211_ATTR_CHANNEL_WIDTH]));
1615 	if (tb[NL80211_ATTR_CENTER_FREQ1])
1616 		data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1617 	if (tb[NL80211_ATTR_CENTER_FREQ2])
1618 		data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1619 
1620 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1621 		   data.dfs_event.freq, data.dfs_event.ht_enabled,
1622 		   data.dfs_event.chan_offset, data.dfs_event.chan_width,
1623 		   data.dfs_event.cf1, data.dfs_event.cf2);
1624 
1625 	switch (event_type) {
1626 	case NL80211_RADAR_DETECTED:
1627 		wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1628 		break;
1629 	case NL80211_RADAR_CAC_FINISHED:
1630 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1631 		break;
1632 	case NL80211_RADAR_CAC_ABORTED:
1633 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1634 		break;
1635 	case NL80211_RADAR_NOP_FINISHED:
1636 		wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1637 		break;
1638 	case NL80211_RADAR_PRE_CAC_EXPIRED:
1639 		wpa_supplicant_event(drv->ctx, EVENT_DFS_PRE_CAC_EXPIRED,
1640 				     &data);
1641 		break;
1642 	case NL80211_RADAR_CAC_STARTED:
1643 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1644 		break;
1645 	default:
1646 		wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1647 			   "received", event_type);
1648 		break;
1649 	}
1650 }
1651 
1652 
1653 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1654 				   int wds)
1655 {
1656 	struct wpa_driver_nl80211_data *drv = bss->drv;
1657 	union wpa_event_data event;
1658 
1659 	if (!tb[NL80211_ATTR_MAC])
1660 		return;
1661 
1662 	os_memset(&event, 0, sizeof(event));
1663 	event.rx_from_unknown.bssid = bss->addr;
1664 	event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1665 	event.rx_from_unknown.wds = wds;
1666 
1667 	wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1668 }
1669 
1670 
1671 #ifdef CONFIG_DRIVER_NL80211_QCA
1672 
1673 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1674 				   const u8 *data, size_t len)
1675 {
1676 	u32 i, count;
1677 	union wpa_event_data event;
1678 	struct wpa_freq_range *range = NULL;
1679 	const struct qca_avoid_freq_list *freq_range;
1680 
1681 	freq_range = (const struct qca_avoid_freq_list *) data;
1682 	if (len < sizeof(freq_range->count))
1683 		return;
1684 
1685 	count = freq_range->count;
1686 	if (len < sizeof(freq_range->count) +
1687 	    count * sizeof(struct qca_avoid_freq_range)) {
1688 		wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1689 			   (unsigned int) len);
1690 		return;
1691 	}
1692 
1693 	if (count > 0) {
1694 		range = os_calloc(count, sizeof(struct wpa_freq_range));
1695 		if (range == NULL)
1696 			return;
1697 	}
1698 
1699 	os_memset(&event, 0, sizeof(event));
1700 	for (i = 0; i < count; i++) {
1701 		unsigned int idx = event.freq_range.num;
1702 		range[idx].min = freq_range->range[i].start_freq;
1703 		range[idx].max = freq_range->range[i].end_freq;
1704 		wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1705 			   range[idx].min, range[idx].max);
1706 		if (range[idx].min > range[idx].max) {
1707 			wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1708 			continue;
1709 		}
1710 		event.freq_range.num++;
1711 	}
1712 	event.freq_range.range = range;
1713 
1714 	wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1715 
1716 	os_free(range);
1717 }
1718 
1719 
1720 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1721 {
1722 	switch (hw_mode) {
1723 	case QCA_ACS_MODE_IEEE80211B:
1724 		return HOSTAPD_MODE_IEEE80211B;
1725 	case QCA_ACS_MODE_IEEE80211G:
1726 		return HOSTAPD_MODE_IEEE80211G;
1727 	case QCA_ACS_MODE_IEEE80211A:
1728 		return HOSTAPD_MODE_IEEE80211A;
1729 	case QCA_ACS_MODE_IEEE80211AD:
1730 		return HOSTAPD_MODE_IEEE80211AD;
1731 	case QCA_ACS_MODE_IEEE80211ANY:
1732 		return HOSTAPD_MODE_IEEE80211ANY;
1733 	default:
1734 		return NUM_HOSTAPD_MODES;
1735 	}
1736 }
1737 
1738 
1739 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1740 				   const u8 *data, size_t len)
1741 {
1742 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1743 	union wpa_event_data event;
1744 
1745 	wpa_printf(MSG_DEBUG,
1746 		   "nl80211: ACS channel selection vendor event received");
1747 
1748 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1749 		      (struct nlattr *) data, len, NULL) ||
1750 	    !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1751 	    !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1752 		return;
1753 
1754 	os_memset(&event, 0, sizeof(event));
1755 	event.acs_selected_channels.pri_channel =
1756 		nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1757 	event.acs_selected_channels.sec_channel =
1758 		nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1759 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1760 		event.acs_selected_channels.vht_seg0_center_ch =
1761 			nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
1762 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1763 		event.acs_selected_channels.vht_seg1_center_ch =
1764 			nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
1765 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
1766 		event.acs_selected_channels.ch_width =
1767 			nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
1768 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
1769 		u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
1770 
1771 		event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
1772 		if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
1773 		    event.acs_selected_channels.hw_mode ==
1774 		    HOSTAPD_MODE_IEEE80211ANY) {
1775 			wpa_printf(MSG_DEBUG,
1776 				   "nl80211: Invalid hw_mode %d in ACS selection event",
1777 				   hw_mode);
1778 			return;
1779 		}
1780 	}
1781 
1782 	wpa_printf(MSG_INFO,
1783 		   "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
1784 		   event.acs_selected_channels.pri_channel,
1785 		   event.acs_selected_channels.sec_channel,
1786 		   event.acs_selected_channels.ch_width,
1787 		   event.acs_selected_channels.vht_seg0_center_ch,
1788 		   event.acs_selected_channels.vht_seg1_center_ch,
1789 		   event.acs_selected_channels.hw_mode);
1790 
1791 	/* Ignore ACS channel list check for backwards compatibility */
1792 
1793 	wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1794 }
1795 
1796 
1797 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1798 				      const u8 *data, size_t len)
1799 {
1800 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1801 	u8 *bssid;
1802 
1803 	wpa_printf(MSG_DEBUG,
1804 		   "nl80211: Key management roam+auth vendor event received");
1805 
1806 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1807 		      (struct nlattr *) data, len, NULL) ||
1808 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1809 	    nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1810 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1811 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1812 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1813 		return;
1814 
1815 	bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1816 	wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
1817 
1818 	mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1819 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1820 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1821 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1822 			   NULL, NULL,
1823 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1824 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1825 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1826 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK],
1827 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS],
1828 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_FILS_ERP_NEXT_SEQ_NUM],
1829 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMK],
1830 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMKID]);
1831 }
1832 
1833 
1834 static void qca_nl80211_dfs_offload_radar_event(
1835 	struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
1836 {
1837 	union wpa_event_data data;
1838 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
1839 
1840 	wpa_printf(MSG_DEBUG,
1841 		   "nl80211: DFS offload radar vendor event received");
1842 
1843 	if (nla_parse(tb, NL80211_ATTR_MAX,
1844 		      (struct nlattr *) msg, length, NULL))
1845 		return;
1846 
1847 	if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
1848 		wpa_printf(MSG_INFO,
1849 			   "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
1850 		return;
1851 	}
1852 
1853 	os_memset(&data, 0, sizeof(data));
1854 	data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1855 
1856 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
1857 		   data.dfs_event.freq);
1858 
1859 	/* Check HT params */
1860 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1861 		data.dfs_event.ht_enabled = 1;
1862 		data.dfs_event.chan_offset = 0;
1863 
1864 		switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1865 		case NL80211_CHAN_NO_HT:
1866 			data.dfs_event.ht_enabled = 0;
1867 			break;
1868 		case NL80211_CHAN_HT20:
1869 			break;
1870 		case NL80211_CHAN_HT40PLUS:
1871 			data.dfs_event.chan_offset = 1;
1872 			break;
1873 		case NL80211_CHAN_HT40MINUS:
1874 			data.dfs_event.chan_offset = -1;
1875 			break;
1876 		}
1877 	}
1878 
1879 	/* Get VHT params */
1880 	if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1881 		data.dfs_event.chan_width =
1882 			convert2width(nla_get_u32(
1883 					      tb[NL80211_ATTR_CHANNEL_WIDTH]));
1884 	if (tb[NL80211_ATTR_CENTER_FREQ1])
1885 		data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1886 	if (tb[NL80211_ATTR_CENTER_FREQ2])
1887 		data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1888 
1889 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
1890 		    "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1891 		    data.dfs_event.freq, data.dfs_event.ht_enabled,
1892 		    data.dfs_event.chan_offset, data.dfs_event.chan_width,
1893 		    data.dfs_event.cf1, data.dfs_event.cf2);
1894 
1895 	switch (subcmd) {
1896 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1897 		wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1898 		break;
1899 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1900 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1901 		break;
1902 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1903 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1904 		break;
1905 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1906 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1907 		break;
1908 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1909 		wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1910 		break;
1911 	default:
1912 		wpa_printf(MSG_DEBUG,
1913 			   "nl80211: Unknown DFS offload radar event %d received",
1914 			   subcmd);
1915 		break;
1916 	}
1917 }
1918 
1919 
1920 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
1921 					   u8 *data, size_t len)
1922 {
1923 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1924 	u64 cookie = 0;
1925 	union wpa_event_data event;
1926 	struct scan_info *info;
1927 
1928 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1929 		      (struct nlattr *) data, len, NULL) ||
1930 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1931 		return;
1932 
1933 	cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1934 	if (cookie != drv->vendor_scan_cookie) {
1935 		/* External scan trigger event, ignore */
1936 		return;
1937 	}
1938 
1939 	/* Cookie match, own scan */
1940 	os_memset(&event, 0, sizeof(event));
1941 	info = &event.scan_info;
1942 	info->external_scan = 0;
1943 	info->nl_scan_event = 0;
1944 
1945 	drv->scan_state = SCAN_STARTED;
1946 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
1947 }
1948 
1949 
1950 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
1951 				   int aborted, struct nlattr *tb[],
1952 				   int external_scan)
1953 {
1954 	union wpa_event_data event;
1955 	struct nlattr *nl;
1956 	int rem;
1957 	struct scan_info *info;
1958 	int freqs[MAX_REPORT_FREQS];
1959 	int num_freqs = 0;
1960 
1961 	os_memset(&event, 0, sizeof(event));
1962 	info = &event.scan_info;
1963 	info->aborted = aborted;
1964 	info->external_scan = external_scan;
1965 
1966 	if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
1967 		nla_for_each_nested(nl,
1968 				    tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
1969 			struct wpa_driver_scan_ssid *s =
1970 				&info->ssids[info->num_ssids];
1971 			s->ssid = nla_data(nl);
1972 			s->ssid_len = nla_len(nl);
1973 			wpa_printf(MSG_DEBUG,
1974 				   "nl80211: Scan probed for SSID '%s'",
1975 				   wpa_ssid_txt(s->ssid, s->ssid_len));
1976 			info->num_ssids++;
1977 			if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1978 				break;
1979 		}
1980 	}
1981 
1982 	if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
1983 		char msg[300], *pos, *end;
1984 		int res;
1985 
1986 		pos = msg;
1987 		end = pos + sizeof(msg);
1988 		*pos = '\0';
1989 
1990 		nla_for_each_nested(nl,
1991 				    tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
1992 				    rem) {
1993 			freqs[num_freqs] = nla_get_u32(nl);
1994 			res = os_snprintf(pos, end - pos, " %d",
1995 					  freqs[num_freqs]);
1996 			if (!os_snprintf_error(end - pos, res))
1997 				pos += res;
1998 			num_freqs++;
1999 			if (num_freqs == MAX_REPORT_FREQS - 1)
2000 				break;
2001 		}
2002 
2003 		info->freqs = freqs;
2004 		info->num_freqs = num_freqs;
2005 		wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
2006 			   msg);
2007 	}
2008 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2009 }
2010 
2011 
2012 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
2013 					u8 *data, size_t len)
2014 {
2015 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
2016 	u64 cookie = 0;
2017 	enum scan_status status;
2018 	int external_scan;
2019 
2020 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
2021 		      (struct nlattr *) data, len, NULL) ||
2022 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
2023 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
2024 		return;
2025 
2026 	status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
2027 	if (status >= VENDOR_SCAN_STATUS_MAX)
2028 		return; /* invalid status */
2029 
2030 	cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
2031 	if (cookie != drv->vendor_scan_cookie) {
2032 		/* Event from an external scan, get scan results */
2033 		external_scan = 1;
2034 	} else {
2035 		external_scan = 0;
2036 		if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
2037 			drv->scan_state = SCAN_COMPLETED;
2038 		else
2039 			drv->scan_state = SCAN_ABORTED;
2040 
2041 		eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2042 				     drv->ctx);
2043 		drv->vendor_scan_cookie = 0;
2044 		drv->last_scan_cmd = 0;
2045 	}
2046 
2047 	send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
2048 			       external_scan);
2049 }
2050 
2051 
2052 static void qca_nl80211_p2p_lo_stop_event(struct wpa_driver_nl80211_data *drv,
2053 					  u8 *data, size_t len)
2054 {
2055 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX + 1];
2056 	union wpa_event_data event;
2057 
2058 	wpa_printf(MSG_DEBUG,
2059 		   "nl80211: P2P listen offload stop vendor event received");
2060 
2061 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX,
2062 		      (struct nlattr *) data, len, NULL) ||
2063 	    !tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON])
2064 		return;
2065 
2066 	os_memset(&event, 0, sizeof(event));
2067 	event.p2p_lo_stop.reason_code =
2068 		nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]);
2069 
2070 	wpa_printf(MSG_DEBUG,
2071 		   "nl80211: P2P Listen offload stop reason: %d",
2072 		   event.p2p_lo_stop.reason_code);
2073 	wpa_supplicant_event(drv->ctx, EVENT_P2P_LO_STOP, &event);
2074 }
2075 
2076 #endif /* CONFIG_DRIVER_NL80211_QCA */
2077 
2078 
2079 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2080 				     u32 subcmd, u8 *data, size_t len)
2081 {
2082 	switch (subcmd) {
2083 	case QCA_NL80211_VENDOR_SUBCMD_TEST:
2084 		wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
2085 		break;
2086 #ifdef CONFIG_DRIVER_NL80211_QCA
2087 	case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2088 		qca_nl80211_avoid_freq(drv, data, len);
2089 		break;
2090 	case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
2091 		qca_nl80211_key_mgmt_auth(drv, data, len);
2092 		break;
2093 	case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
2094 		qca_nl80211_acs_select_ch(drv, data, len);
2095 		break;
2096 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
2097 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
2098 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
2099 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
2100 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
2101 		qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
2102 		break;
2103 	case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
2104 		qca_nl80211_scan_trigger_event(drv, data, len);
2105 		break;
2106 	case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
2107 		qca_nl80211_scan_done_event(drv, data, len);
2108 		break;
2109 	case QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP:
2110 		qca_nl80211_p2p_lo_stop_event(drv, data, len);
2111 		break;
2112 #endif /* CONFIG_DRIVER_NL80211_QCA */
2113 	default:
2114 		wpa_printf(MSG_DEBUG,
2115 			   "nl80211: Ignore unsupported QCA vendor event %u",
2116 			   subcmd);
2117 		break;
2118 	}
2119 }
2120 
2121 
2122 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2123 				 struct nlattr **tb)
2124 {
2125 	u32 vendor_id, subcmd, wiphy = 0;
2126 	int wiphy_idx;
2127 	u8 *data = NULL;
2128 	size_t len = 0;
2129 
2130 	if (!tb[NL80211_ATTR_VENDOR_ID] ||
2131 	    !tb[NL80211_ATTR_VENDOR_SUBCMD])
2132 		return;
2133 
2134 	vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2135 	subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2136 
2137 	if (tb[NL80211_ATTR_WIPHY])
2138 		wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2139 
2140 	wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2141 		   wiphy, vendor_id, subcmd);
2142 
2143 	if (tb[NL80211_ATTR_VENDOR_DATA]) {
2144 		data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2145 		len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2146 		wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2147 	}
2148 
2149 	wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
2150 	if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
2151 		wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
2152 			   wiphy, wiphy_idx);
2153 		return;
2154 	}
2155 
2156 	switch (vendor_id) {
2157 	case OUI_QCA:
2158 		nl80211_vendor_event_qca(drv, subcmd, data, len);
2159 		break;
2160 	default:
2161 		wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
2162 		break;
2163 	}
2164 }
2165 
2166 
2167 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
2168 				     struct nlattr *tb[])
2169 {
2170 	union wpa_event_data data;
2171 	enum nl80211_reg_initiator init;
2172 
2173 	wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2174 
2175 	if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2176 		return;
2177 
2178 	os_memset(&data, 0, sizeof(data));
2179 	init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
2180 	wpa_printf(MSG_DEBUG, " * initiator=%d", init);
2181 	switch (init) {
2182 	case NL80211_REGDOM_SET_BY_CORE:
2183 		data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
2184 		break;
2185 	case NL80211_REGDOM_SET_BY_USER:
2186 		data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
2187 		break;
2188 	case NL80211_REGDOM_SET_BY_DRIVER:
2189 		data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
2190 		break;
2191 	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
2192 		data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
2193 		break;
2194 	}
2195 
2196 	if (tb[NL80211_ATTR_REG_TYPE]) {
2197 		enum nl80211_reg_type type;
2198 		type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
2199 		wpa_printf(MSG_DEBUG, " * type=%d", type);
2200 		switch (type) {
2201 		case NL80211_REGDOM_TYPE_COUNTRY:
2202 			data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
2203 			break;
2204 		case NL80211_REGDOM_TYPE_WORLD:
2205 			data.channel_list_changed.type = REGDOM_TYPE_WORLD;
2206 			break;
2207 		case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
2208 			data.channel_list_changed.type =
2209 				REGDOM_TYPE_CUSTOM_WORLD;
2210 			break;
2211 		case NL80211_REGDOM_TYPE_INTERSECTION:
2212 			data.channel_list_changed.type =
2213 				REGDOM_TYPE_INTERSECTION;
2214 			break;
2215 		}
2216 	}
2217 
2218 	if (tb[NL80211_ATTR_REG_ALPHA2]) {
2219 		os_strlcpy(data.channel_list_changed.alpha2,
2220 			   nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
2221 			   sizeof(data.channel_list_changed.alpha2));
2222 		wpa_printf(MSG_DEBUG, " * alpha2=%s",
2223 			   data.channel_list_changed.alpha2);
2224 	}
2225 
2226 	wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2227 }
2228 
2229 
2230 static void nl80211_dump_freq(const char *title, struct nlattr *nl_freq)
2231 {
2232 	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2233 		[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
2234 		[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
2235 		[NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
2236 		[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
2237 		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
2238 	};
2239 	struct nlattr *tb[NL80211_FREQUENCY_ATTR_MAX + 1];
2240 	u32 freq = 0, max_tx_power = 0;
2241 
2242 	nla_parse(tb, NL80211_FREQUENCY_ATTR_MAX,
2243 		  nla_data(nl_freq), nla_len(nl_freq), freq_policy);
2244 
2245 	if (tb[NL80211_FREQUENCY_ATTR_FREQ])
2246 		freq = nla_get_u32(tb[NL80211_FREQUENCY_ATTR_FREQ]);
2247 	if (tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])
2248 		max_tx_power =
2249 			nla_get_u32(tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]);
2250 
2251 	wpa_printf(MSG_DEBUG,
2252 		   "nl80211: Channel (%s): freq=%u max_tx_power=%u%s%s%s",
2253 		   title, freq, max_tx_power,
2254 		   tb[NL80211_FREQUENCY_ATTR_DISABLED] ? " disabled" : "",
2255 		   tb[NL80211_FREQUENCY_ATTR_NO_IR] ? " no-IR" : "",
2256 		   tb[NL80211_FREQUENCY_ATTR_RADAR] ? " radar" : "");
2257 }
2258 
2259 
2260 static void nl80211_reg_beacon_hint_event(struct wpa_driver_nl80211_data *drv,
2261 					   struct nlattr *tb[])
2262 {
2263 	union wpa_event_data data;
2264 
2265 	wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2266 	os_memset(&data, 0, sizeof(data));
2267 	data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2268 
2269 	if (tb[NL80211_ATTR_FREQ_BEFORE])
2270 		nl80211_dump_freq("before", tb[NL80211_ATTR_FREQ_BEFORE]);
2271 	if (tb[NL80211_ATTR_FREQ_AFTER])
2272 		nl80211_dump_freq("after", tb[NL80211_ATTR_FREQ_AFTER]);
2273 
2274 	wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2275 }
2276 
2277 
2278 static void nl80211_external_auth(struct wpa_driver_nl80211_data *drv,
2279 				  struct nlattr **tb)
2280 {
2281 	union wpa_event_data event;
2282 	enum nl80211_external_auth_action act;
2283 
2284 	if (!tb[NL80211_ATTR_AKM_SUITES] ||
2285 	    !tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION] ||
2286 	    !tb[NL80211_ATTR_BSSID] ||
2287 	    !tb[NL80211_ATTR_SSID])
2288 		return;
2289 
2290 	os_memset(&event, 0, sizeof(event));
2291 	act = nla_get_u32(tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION]);
2292 	switch (act) {
2293 	case NL80211_EXTERNAL_AUTH_START:
2294 		event.external_auth.action = EXT_AUTH_START;
2295 		break;
2296 	case NL80211_EXTERNAL_AUTH_ABORT:
2297 		event.external_auth.action = EXT_AUTH_ABORT;
2298 		break;
2299 	default:
2300 		return;
2301 	}
2302 
2303 	event.external_auth.key_mgmt_suite =
2304 		nla_get_u32(tb[NL80211_ATTR_AKM_SUITES]);
2305 
2306 	event.external_auth.ssid_len = nla_len(tb[NL80211_ATTR_SSID]);
2307 	if (event.external_auth.ssid_len > SSID_MAX_LEN)
2308 		return;
2309 	event.external_auth.ssid = nla_data(tb[NL80211_ATTR_SSID]);
2310 
2311 	event.external_auth.bssid = nla_data(tb[NL80211_ATTR_BSSID]);
2312 
2313 	wpa_printf(MSG_DEBUG,
2314 		   "nl80211: External auth action: %u, AKM: 0x%x",
2315 		   event.external_auth.action,
2316 		   event.external_auth.key_mgmt_suite);
2317 	wpa_supplicant_event(drv->ctx, EVENT_EXTERNAL_AUTH, &event);
2318 }
2319 
2320 
2321 static void nl80211_port_authorized(struct wpa_driver_nl80211_data *drv,
2322 				    struct nlattr **tb)
2323 {
2324 	const u8 *addr;
2325 
2326 	if (!tb[NL80211_ATTR_MAC] ||
2327 	    nla_len(tb[NL80211_ATTR_MAC]) != ETH_ALEN) {
2328 		wpa_printf(MSG_DEBUG,
2329 			   "nl80211: Ignore port authorized event without BSSID");
2330 		return;
2331 	}
2332 
2333 	addr = nla_data(tb[NL80211_ATTR_MAC]);
2334 	if (os_memcmp(addr, drv->bssid, ETH_ALEN) != 0) {
2335 		wpa_printf(MSG_DEBUG,
2336 			   "nl80211: Ignore port authorized event for " MACSTR
2337 			   " (not the currently connected BSSID " MACSTR ")",
2338 			   MAC2STR(addr), MAC2STR(drv->bssid));
2339 		return;
2340 	}
2341 
2342 	wpa_supplicant_event(drv->ctx, EVENT_PORT_AUTHORIZED, NULL);
2343 }
2344 
2345 
2346 static void nl80211_sta_opmode_change_event(struct wpa_driver_nl80211_data *drv,
2347 					    struct nlattr **tb)
2348 {
2349 	union wpa_event_data ed;
2350 	u8 smps_mode, max_bw;
2351 
2352 	if (!tb[NL80211_ATTR_MAC] ||
2353 	    (!tb[NL80211_ATTR_CHANNEL_WIDTH] &&
2354 	     !tb[NL80211_ATTR_SMPS_MODE] &&
2355 	     !tb[NL80211_ATTR_NSS]))
2356 		return;
2357 
2358 	ed.sta_opmode.smps_mode = SMPS_INVALID;
2359 	ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2360 	ed.sta_opmode.rx_nss = 0xff;
2361 	ed.sta_opmode.addr = nla_data(tb[NL80211_ATTR_MAC]);
2362 
2363 	if (tb[NL80211_ATTR_SMPS_MODE]) {
2364 		smps_mode = nla_get_u8(tb[NL80211_ATTR_SMPS_MODE]);
2365 		switch (smps_mode) {
2366 		case NL80211_SMPS_OFF:
2367 			ed.sta_opmode.smps_mode = SMPS_OFF;
2368 			break;
2369 		case NL80211_SMPS_STATIC:
2370 			ed.sta_opmode.smps_mode = SMPS_STATIC;
2371 			break;
2372 		case NL80211_SMPS_DYNAMIC:
2373 			ed.sta_opmode.smps_mode = SMPS_DYNAMIC;
2374 			break;
2375 		default:
2376 			ed.sta_opmode.smps_mode = SMPS_INVALID;
2377 			break;
2378 		}
2379 	}
2380 
2381 	if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
2382 		max_bw = nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]);
2383 		switch (max_bw) {
2384 		case NL80211_CHAN_WIDTH_20_NOHT:
2385 			ed.sta_opmode.chan_width = CHAN_WIDTH_20_NOHT;
2386 			break;
2387 		case NL80211_CHAN_WIDTH_20:
2388 			ed.sta_opmode.chan_width = CHAN_WIDTH_20;
2389 			break;
2390 		case NL80211_CHAN_WIDTH_40:
2391 			ed.sta_opmode.chan_width = CHAN_WIDTH_40;
2392 			break;
2393 		case NL80211_CHAN_WIDTH_80:
2394 			ed.sta_opmode.chan_width = CHAN_WIDTH_80;
2395 			break;
2396 		case NL80211_CHAN_WIDTH_80P80:
2397 			ed.sta_opmode.chan_width = CHAN_WIDTH_80P80;
2398 			break;
2399 		case NL80211_CHAN_WIDTH_160:
2400 			ed.sta_opmode.chan_width = CHAN_WIDTH_160;
2401 			break;
2402 		default:
2403 			ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2404 			break;
2405 
2406 		}
2407 	}
2408 
2409 	if (tb[NL80211_ATTR_NSS])
2410 		ed.sta_opmode.rx_nss = nla_get_u8(tb[NL80211_ATTR_NSS]);
2411 
2412 	wpa_supplicant_event(drv->ctx, EVENT_STATION_OPMODE_CHANGED, &ed);
2413 }
2414 
2415 
2416 static void do_process_drv_event(struct i802_bss *bss, int cmd,
2417 				 struct nlattr **tb)
2418 {
2419 	struct wpa_driver_nl80211_data *drv = bss->drv;
2420 	int external_scan_event = 0;
2421 
2422 	wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2423 		   cmd, nl80211_command_to_string(cmd), bss->ifname);
2424 
2425 	if (cmd == NL80211_CMD_ROAM &&
2426 	    (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2427 		/*
2428 		 * Device will use roam+auth vendor event to indicate
2429 		 * roaming, so ignore the regular roam event.
2430 		 */
2431 		wpa_printf(MSG_DEBUG,
2432 			   "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
2433 			   cmd);
2434 		return;
2435 	}
2436 
2437 	if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
2438 	    (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2439 	     cmd == NL80211_CMD_SCAN_ABORTED)) {
2440 		wpa_driver_nl80211_set_mode(drv->first_bss,
2441 					    drv->ap_scan_as_station);
2442 		drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2443 	}
2444 
2445 	switch (cmd) {
2446 	case NL80211_CMD_TRIGGER_SCAN:
2447 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2448 		drv->scan_state = SCAN_STARTED;
2449 		if (drv->scan_for_auth) {
2450 			/*
2451 			 * Cannot indicate EVENT_SCAN_STARTED here since we skip
2452 			 * EVENT_SCAN_RESULTS in scan_for_auth case and the
2453 			 * upper layer implementation could get confused about
2454 			 * scanning state.
2455 			 */
2456 			wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2457 			break;
2458 		}
2459 		wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2460 		break;
2461 	case NL80211_CMD_START_SCHED_SCAN:
2462 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2463 		drv->scan_state = SCHED_SCAN_STARTED;
2464 		break;
2465 	case NL80211_CMD_SCHED_SCAN_STOPPED:
2466 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2467 		drv->scan_state = SCHED_SCAN_STOPPED;
2468 		wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2469 		break;
2470 	case NL80211_CMD_NEW_SCAN_RESULTS:
2471 		wpa_dbg(drv->ctx, MSG_DEBUG,
2472 			"nl80211: New scan results available");
2473 		if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2474 			drv->scan_state = SCAN_COMPLETED;
2475 		drv->scan_complete_events = 1;
2476 		if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2477 			eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2478 					     drv, drv->ctx);
2479 			drv->last_scan_cmd = 0;
2480 		} else {
2481 			external_scan_event = 1;
2482 		}
2483 		send_scan_event(drv, 0, tb, external_scan_event);
2484 		break;
2485 	case NL80211_CMD_SCHED_SCAN_RESULTS:
2486 		wpa_dbg(drv->ctx, MSG_DEBUG,
2487 			"nl80211: New sched scan results available");
2488 		drv->scan_state = SCHED_SCAN_RESULTS;
2489 		send_scan_event(drv, 0, tb, 0);
2490 		break;
2491 	case NL80211_CMD_SCAN_ABORTED:
2492 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2493 		if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2494 			drv->scan_state = SCAN_ABORTED;
2495 		if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2496 			/*
2497 			 * Need to indicate that scan results are available in
2498 			 * order not to make wpa_supplicant stop its scanning.
2499 			 */
2500 			eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2501 					     drv, drv->ctx);
2502 			drv->last_scan_cmd = 0;
2503 		} else {
2504 			external_scan_event = 1;
2505 		}
2506 		send_scan_event(drv, 1, tb, external_scan_event);
2507 		break;
2508 	case NL80211_CMD_AUTHENTICATE:
2509 	case NL80211_CMD_ASSOCIATE:
2510 	case NL80211_CMD_DEAUTHENTICATE:
2511 	case NL80211_CMD_DISASSOCIATE:
2512 	case NL80211_CMD_FRAME_TX_STATUS:
2513 	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2514 	case NL80211_CMD_UNPROT_DISASSOCIATE:
2515 		mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2516 			   tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2517 			   tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2518 			   tb[NL80211_ATTR_COOKIE],
2519 			   tb[NL80211_ATTR_RX_SIGNAL_DBM],
2520 			   tb[NL80211_ATTR_STA_WME],
2521 			   tb[NL80211_ATTR_REQ_IE]);
2522 		break;
2523 	case NL80211_CMD_CONNECT:
2524 	case NL80211_CMD_ROAM:
2525 		mlme_event_connect(drv, cmd,
2526 				   tb[NL80211_ATTR_STATUS_CODE],
2527 				   tb[NL80211_ATTR_MAC],
2528 				   tb[NL80211_ATTR_REQ_IE],
2529 				   tb[NL80211_ATTR_RESP_IE],
2530 				   tb[NL80211_ATTR_TIMED_OUT],
2531 				   tb[NL80211_ATTR_TIMEOUT_REASON],
2532 				   NULL, NULL, NULL,
2533 				   tb[NL80211_ATTR_FILS_KEK],
2534 				   NULL,
2535 				   tb[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM],
2536 				   tb[NL80211_ATTR_PMK],
2537 				   tb[NL80211_ATTR_PMKID]);
2538 		break;
2539 	case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
2540 		mlme_event_ch_switch(drv,
2541 				     tb[NL80211_ATTR_IFINDEX],
2542 				     tb[NL80211_ATTR_WIPHY_FREQ],
2543 				     tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2544 				     tb[NL80211_ATTR_CHANNEL_WIDTH],
2545 				     tb[NL80211_ATTR_CENTER_FREQ1],
2546 				     tb[NL80211_ATTR_CENTER_FREQ2],
2547 				     0);
2548 		break;
2549 	case NL80211_CMD_CH_SWITCH_NOTIFY:
2550 		mlme_event_ch_switch(drv,
2551 				     tb[NL80211_ATTR_IFINDEX],
2552 				     tb[NL80211_ATTR_WIPHY_FREQ],
2553 				     tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2554 				     tb[NL80211_ATTR_CHANNEL_WIDTH],
2555 				     tb[NL80211_ATTR_CENTER_FREQ1],
2556 				     tb[NL80211_ATTR_CENTER_FREQ2],
2557 				     1);
2558 		break;
2559 	case NL80211_CMD_DISCONNECT:
2560 		mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
2561 				      tb[NL80211_ATTR_MAC],
2562 				      tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
2563 		break;
2564 	case NL80211_CMD_MICHAEL_MIC_FAILURE:
2565 		mlme_event_michael_mic_failure(bss, tb);
2566 		break;
2567 	case NL80211_CMD_JOIN_IBSS:
2568 		mlme_event_join_ibss(drv, tb);
2569 		break;
2570 	case NL80211_CMD_REMAIN_ON_CHANNEL:
2571 		mlme_event_remain_on_channel(drv, 0, tb);
2572 		break;
2573 	case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2574 		mlme_event_remain_on_channel(drv, 1, tb);
2575 		break;
2576 	case NL80211_CMD_NOTIFY_CQM:
2577 		nl80211_cqm_event(drv, tb);
2578 		break;
2579 	case NL80211_CMD_REG_CHANGE:
2580 	case NL80211_CMD_WIPHY_REG_CHANGE:
2581 		nl80211_reg_change_event(drv, tb);
2582 		break;
2583 	case NL80211_CMD_REG_BEACON_HINT:
2584 		nl80211_reg_beacon_hint_event(drv, tb);
2585 		break;
2586 	case NL80211_CMD_NEW_STATION:
2587 		nl80211_new_station_event(drv, bss, tb);
2588 		break;
2589 	case NL80211_CMD_DEL_STATION:
2590 		nl80211_del_station_event(drv, bss, tb);
2591 		break;
2592 	case NL80211_CMD_SET_REKEY_OFFLOAD:
2593 		nl80211_rekey_offload_event(drv, tb);
2594 		break;
2595 	case NL80211_CMD_PMKSA_CANDIDATE:
2596 		nl80211_pmksa_candidate_event(drv, tb);
2597 		break;
2598 	case NL80211_CMD_PROBE_CLIENT:
2599 		nl80211_client_probe_event(drv, tb);
2600 		break;
2601 	case NL80211_CMD_TDLS_OPER:
2602 		nl80211_tdls_oper_event(drv, tb);
2603 		break;
2604 	case NL80211_CMD_CONN_FAILED:
2605 		nl80211_connect_failed_event(drv, tb);
2606 		break;
2607 	case NL80211_CMD_FT_EVENT:
2608 		mlme_event_ft_event(drv, tb);
2609 		break;
2610 	case NL80211_CMD_RADAR_DETECT:
2611 		nl80211_radar_event(drv, tb);
2612 		break;
2613 	case NL80211_CMD_STOP_AP:
2614 		nl80211_stop_ap(drv, tb);
2615 		break;
2616 	case NL80211_CMD_VENDOR:
2617 		nl80211_vendor_event(drv, tb);
2618 		break;
2619 	case NL80211_CMD_NEW_PEER_CANDIDATE:
2620 		nl80211_new_peer_candidate(drv, tb);
2621 		break;
2622 	case NL80211_CMD_PORT_AUTHORIZED:
2623 		nl80211_port_authorized(drv, tb);
2624 		break;
2625 	case NL80211_CMD_STA_OPMODE_CHANGED:
2626 		nl80211_sta_opmode_change_event(drv, tb);
2627 		break;
2628 	case NL80211_CMD_UPDATE_OWE_INFO:
2629 		mlme_event_dh_event(drv, bss, tb);
2630 		break;
2631 	default:
2632 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2633 			"(cmd=%d)", cmd);
2634 		break;
2635 	}
2636 }
2637 
2638 
2639 int process_global_event(struct nl_msg *msg, void *arg)
2640 {
2641 	struct nl80211_global *global = arg;
2642 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2643 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
2644 	struct wpa_driver_nl80211_data *drv, *tmp;
2645 	int ifidx = -1, wiphy_idx = -1, wiphy_idx_rx = -1;
2646 	struct i802_bss *bss;
2647 	u64 wdev_id = 0;
2648 	int wdev_id_set = 0;
2649 	int wiphy_idx_set = 0;
2650 
2651 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2652 		  genlmsg_attrlen(gnlh, 0), NULL);
2653 
2654 	if (tb[NL80211_ATTR_IFINDEX])
2655 		ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2656 	else if (tb[NL80211_ATTR_WDEV]) {
2657 		wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2658 		wdev_id_set = 1;
2659 	} else if (tb[NL80211_ATTR_WIPHY]) {
2660 		wiphy_idx_rx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2661 		wiphy_idx_set = 1;
2662 	}
2663 
2664 	dl_list_for_each_safe(drv, tmp, &global->interfaces,
2665 			      struct wpa_driver_nl80211_data, list) {
2666 		for (bss = drv->first_bss; bss; bss = bss->next) {
2667 			if (wiphy_idx_set)
2668 				wiphy_idx = nl80211_get_wiphy_index(bss);
2669 			if ((ifidx == -1 && !wiphy_idx_set && !wdev_id_set) ||
2670 			    ifidx == bss->ifindex ||
2671 			    (wiphy_idx_set && wiphy_idx == wiphy_idx_rx) ||
2672 			    (wdev_id_set && bss->wdev_id_set &&
2673 			     wdev_id == bss->wdev_id)) {
2674 				do_process_drv_event(bss, gnlh->cmd, tb);
2675 				return NL_SKIP;
2676 			}
2677 		}
2678 		wpa_printf(MSG_DEBUG,
2679 			   "nl80211: Ignored event %d (%s) for foreign interface (ifindex %d wdev 0x%llx)",
2680 			   gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2681 			   ifidx, (long long unsigned int) wdev_id);
2682 	}
2683 
2684 	return NL_SKIP;
2685 }
2686 
2687 
2688 int process_bss_event(struct nl_msg *msg, void *arg)
2689 {
2690 	struct i802_bss *bss = arg;
2691 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2692 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
2693 
2694 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2695 		  genlmsg_attrlen(gnlh, 0), NULL);
2696 
2697 	wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2698 		   gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2699 		   bss->ifname);
2700 
2701 	switch (gnlh->cmd) {
2702 	case NL80211_CMD_FRAME:
2703 	case NL80211_CMD_FRAME_TX_STATUS:
2704 		mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2705 			   tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2706 			   tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2707 			   tb[NL80211_ATTR_COOKIE],
2708 			   tb[NL80211_ATTR_RX_SIGNAL_DBM],
2709 			   tb[NL80211_ATTR_STA_WME], NULL);
2710 		break;
2711 	case NL80211_CMD_UNEXPECTED_FRAME:
2712 		nl80211_spurious_frame(bss, tb, 0);
2713 		break;
2714 	case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2715 		nl80211_spurious_frame(bss, tb, 1);
2716 		break;
2717 	case NL80211_CMD_EXTERNAL_AUTH:
2718 		nl80211_external_auth(bss->drv, tb);
2719 		break;
2720 	default:
2721 		wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2722 			   "(cmd=%d)", gnlh->cmd);
2723 		break;
2724 	}
2725 
2726 	return NL_SKIP;
2727 }
2728