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/brcm_vendor.h"
19 #include "common/ieee802_11_defs.h"
20 #include "common/ieee802_11_common.h"
21 #include "driver_nl80211.h"
22 
23 
24 static void
25 nl80211_control_port_frame_tx_status(struct wpa_driver_nl80211_data *drv,
26 				     const u8 *frame, size_t len,
27 				     struct nlattr *ack, struct nlattr *cookie);
28 
29 
30 static const char * nl80211_command_to_string(enum nl80211_commands cmd)
31 {
32 #define C2S(x) case x: return #x;
33 	switch (cmd) {
34 	C2S(NL80211_CMD_UNSPEC)
35 	C2S(NL80211_CMD_GET_WIPHY)
36 	C2S(NL80211_CMD_SET_WIPHY)
37 	C2S(NL80211_CMD_NEW_WIPHY)
38 	C2S(NL80211_CMD_DEL_WIPHY)
39 	C2S(NL80211_CMD_GET_INTERFACE)
40 	C2S(NL80211_CMD_SET_INTERFACE)
41 	C2S(NL80211_CMD_NEW_INTERFACE)
42 	C2S(NL80211_CMD_DEL_INTERFACE)
43 	C2S(NL80211_CMD_GET_KEY)
44 	C2S(NL80211_CMD_SET_KEY)
45 	C2S(NL80211_CMD_NEW_KEY)
46 	C2S(NL80211_CMD_DEL_KEY)
47 	C2S(NL80211_CMD_GET_BEACON)
48 	C2S(NL80211_CMD_SET_BEACON)
49 	C2S(NL80211_CMD_START_AP)
50 	C2S(NL80211_CMD_STOP_AP)
51 	C2S(NL80211_CMD_GET_STATION)
52 	C2S(NL80211_CMD_SET_STATION)
53 	C2S(NL80211_CMD_NEW_STATION)
54 	C2S(NL80211_CMD_DEL_STATION)
55 	C2S(NL80211_CMD_GET_MPATH)
56 	C2S(NL80211_CMD_SET_MPATH)
57 	C2S(NL80211_CMD_NEW_MPATH)
58 	C2S(NL80211_CMD_DEL_MPATH)
59 	C2S(NL80211_CMD_SET_BSS)
60 	C2S(NL80211_CMD_SET_REG)
61 	C2S(NL80211_CMD_REQ_SET_REG)
62 	C2S(NL80211_CMD_GET_MESH_CONFIG)
63 	C2S(NL80211_CMD_SET_MESH_CONFIG)
64 	C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
65 	C2S(NL80211_CMD_GET_REG)
66 	C2S(NL80211_CMD_GET_SCAN)
67 	C2S(NL80211_CMD_TRIGGER_SCAN)
68 	C2S(NL80211_CMD_NEW_SCAN_RESULTS)
69 	C2S(NL80211_CMD_SCAN_ABORTED)
70 	C2S(NL80211_CMD_REG_CHANGE)
71 	C2S(NL80211_CMD_AUTHENTICATE)
72 	C2S(NL80211_CMD_ASSOCIATE)
73 	C2S(NL80211_CMD_DEAUTHENTICATE)
74 	C2S(NL80211_CMD_DISASSOCIATE)
75 	C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
76 	C2S(NL80211_CMD_REG_BEACON_HINT)
77 	C2S(NL80211_CMD_JOIN_IBSS)
78 	C2S(NL80211_CMD_LEAVE_IBSS)
79 	C2S(NL80211_CMD_TESTMODE)
80 	C2S(NL80211_CMD_CONNECT)
81 	C2S(NL80211_CMD_ROAM)
82 	C2S(NL80211_CMD_DISCONNECT)
83 	C2S(NL80211_CMD_SET_WIPHY_NETNS)
84 	C2S(NL80211_CMD_GET_SURVEY)
85 	C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
86 	C2S(NL80211_CMD_SET_PMKSA)
87 	C2S(NL80211_CMD_DEL_PMKSA)
88 	C2S(NL80211_CMD_FLUSH_PMKSA)
89 	C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
90 	C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
91 	C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
92 	C2S(NL80211_CMD_REGISTER_FRAME)
93 	C2S(NL80211_CMD_FRAME)
94 	C2S(NL80211_CMD_FRAME_TX_STATUS)
95 	C2S(NL80211_CMD_SET_POWER_SAVE)
96 	C2S(NL80211_CMD_GET_POWER_SAVE)
97 	C2S(NL80211_CMD_SET_CQM)
98 	C2S(NL80211_CMD_NOTIFY_CQM)
99 	C2S(NL80211_CMD_SET_CHANNEL)
100 	C2S(NL80211_CMD_SET_WDS_PEER)
101 	C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
102 	C2S(NL80211_CMD_JOIN_MESH)
103 	C2S(NL80211_CMD_LEAVE_MESH)
104 	C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
105 	C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
106 	C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
107 	C2S(NL80211_CMD_GET_WOWLAN)
108 	C2S(NL80211_CMD_SET_WOWLAN)
109 	C2S(NL80211_CMD_START_SCHED_SCAN)
110 	C2S(NL80211_CMD_STOP_SCHED_SCAN)
111 	C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
112 	C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
113 	C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
114 	C2S(NL80211_CMD_PMKSA_CANDIDATE)
115 	C2S(NL80211_CMD_TDLS_OPER)
116 	C2S(NL80211_CMD_TDLS_MGMT)
117 	C2S(NL80211_CMD_UNEXPECTED_FRAME)
118 	C2S(NL80211_CMD_PROBE_CLIENT)
119 	C2S(NL80211_CMD_REGISTER_BEACONS)
120 	C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
121 	C2S(NL80211_CMD_SET_NOACK_MAP)
122 	C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
123 	C2S(NL80211_CMD_START_P2P_DEVICE)
124 	C2S(NL80211_CMD_STOP_P2P_DEVICE)
125 	C2S(NL80211_CMD_CONN_FAILED)
126 	C2S(NL80211_CMD_SET_MCAST_RATE)
127 	C2S(NL80211_CMD_SET_MAC_ACL)
128 	C2S(NL80211_CMD_RADAR_DETECT)
129 	C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
130 	C2S(NL80211_CMD_UPDATE_FT_IES)
131 	C2S(NL80211_CMD_FT_EVENT)
132 	C2S(NL80211_CMD_CRIT_PROTOCOL_START)
133 	C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
134 	C2S(NL80211_CMD_GET_COALESCE)
135 	C2S(NL80211_CMD_SET_COALESCE)
136 	C2S(NL80211_CMD_CHANNEL_SWITCH)
137 	C2S(NL80211_CMD_VENDOR)
138 	C2S(NL80211_CMD_SET_QOS_MAP)
139 	C2S(NL80211_CMD_ADD_TX_TS)
140 	C2S(NL80211_CMD_DEL_TX_TS)
141 	C2S(NL80211_CMD_GET_MPP)
142 	C2S(NL80211_CMD_JOIN_OCB)
143 	C2S(NL80211_CMD_LEAVE_OCB)
144 	C2S(NL80211_CMD_CH_SWITCH_STARTED_NOTIFY)
145 	C2S(NL80211_CMD_TDLS_CHANNEL_SWITCH)
146 	C2S(NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH)
147 	C2S(NL80211_CMD_WIPHY_REG_CHANGE)
148 	C2S(NL80211_CMD_ABORT_SCAN)
149 	C2S(NL80211_CMD_START_NAN)
150 	C2S(NL80211_CMD_STOP_NAN)
151 	C2S(NL80211_CMD_ADD_NAN_FUNCTION)
152 	C2S(NL80211_CMD_DEL_NAN_FUNCTION)
153 	C2S(NL80211_CMD_CHANGE_NAN_CONFIG)
154 	C2S(NL80211_CMD_NAN_MATCH)
155 	C2S(NL80211_CMD_SET_MULTICAST_TO_UNICAST)
156 	C2S(NL80211_CMD_UPDATE_CONNECT_PARAMS)
157 	C2S(NL80211_CMD_SET_PMK)
158 	C2S(NL80211_CMD_DEL_PMK)
159 	C2S(NL80211_CMD_PORT_AUTHORIZED)
160 	C2S(NL80211_CMD_RELOAD_REGDB)
161 	C2S(NL80211_CMD_EXTERNAL_AUTH)
162 	C2S(NL80211_CMD_STA_OPMODE_CHANGED)
163 	C2S(NL80211_CMD_CONTROL_PORT_FRAME)
164 	C2S(NL80211_CMD_GET_FTM_RESPONDER_STATS)
165 	C2S(NL80211_CMD_PEER_MEASUREMENT_START)
166 	C2S(NL80211_CMD_PEER_MEASUREMENT_RESULT)
167 	C2S(NL80211_CMD_PEER_MEASUREMENT_COMPLETE)
168 	C2S(NL80211_CMD_NOTIFY_RADAR)
169 	C2S(NL80211_CMD_UPDATE_OWE_INFO)
170 	C2S(NL80211_CMD_PROBE_MESH_LINK)
171 	C2S(NL80211_CMD_SET_TID_CONFIG)
172 	C2S(NL80211_CMD_UNPROT_BEACON)
173 	C2S(NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS)
174 	C2S(NL80211_CMD_SET_SAR_SPECS)
175 	C2S(__NL80211_CMD_AFTER_LAST)
176 	}
177 #undef C2S
178 
179 	return "NL80211_CMD_UNKNOWN";
180 }
181 
182 
183 static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
184 			    const u8 *frame, size_t len)
185 {
186 	const struct ieee80211_mgmt *mgmt;
187 	union wpa_event_data event;
188 
189 	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
190 	    drv->force_connect_cmd) {
191 		/*
192 		 * Avoid reporting two association events that would confuse
193 		 * the core code.
194 		 */
195 		wpa_printf(MSG_DEBUG,
196 			   "nl80211: Ignore auth event when using driver SME");
197 		return;
198 	}
199 
200 	wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
201 	mgmt = (const struct ieee80211_mgmt *) frame;
202 	if (len < 24 + sizeof(mgmt->u.auth)) {
203 		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
204 			   "frame");
205 		return;
206 	}
207 
208 	os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
209 	os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
210 	os_memset(&event, 0, sizeof(event));
211 	os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
212 	event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
213 	event.auth.auth_transaction =
214 		le_to_host16(mgmt->u.auth.auth_transaction);
215 	event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
216 	if (len > 24 + sizeof(mgmt->u.auth)) {
217 		event.auth.ies = mgmt->u.auth.variable;
218 		event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
219 	}
220 
221 	wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
222 }
223 
224 
225 static void nl80211_parse_wmm_params(struct nlattr *wmm_attr,
226 				     struct wmm_params *wmm_params)
227 {
228 	struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
229 	static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
230 		[NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
231 	};
232 
233 	if (!wmm_attr ||
234 	    nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
235 			     wme_policy) ||
236 	    !wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
237 		return;
238 
239 	wmm_params->uapsd_queues =
240 		nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
241 	wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
242 }
243 
244 
245 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
246 			     const u8 *frame, size_t len, struct nlattr *wmm,
247 			     struct nlattr *req_ie)
248 {
249 	const struct ieee80211_mgmt *mgmt;
250 	union wpa_event_data event;
251 	u16 status;
252 	int ssid_len;
253 
254 	if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
255 	    drv->force_connect_cmd) {
256 		/*
257 		 * Avoid reporting two association events that would confuse
258 		 * the core code.
259 		 */
260 		wpa_printf(MSG_DEBUG,
261 			   "nl80211: Ignore assoc event when using driver SME");
262 		return;
263 	}
264 
265 	wpa_printf(MSG_DEBUG, "nl80211: Associate event");
266 	mgmt = (const struct ieee80211_mgmt *) frame;
267 	if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
268 		wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
269 			   "frame");
270 		return;
271 	}
272 
273 	status = le_to_host16(mgmt->u.assoc_resp.status_code);
274 	if (status != WLAN_STATUS_SUCCESS) {
275 		os_memset(&event, 0, sizeof(event));
276 		event.assoc_reject.bssid = mgmt->bssid;
277 		if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
278 			event.assoc_reject.resp_ies =
279 				(u8 *) mgmt->u.assoc_resp.variable;
280 			event.assoc_reject.resp_ies_len =
281 				len - 24 - sizeof(mgmt->u.assoc_resp);
282 		}
283 		event.assoc_reject.status_code = status;
284 
285 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
286 		return;
287 	}
288 
289 	drv->associated = 1;
290 	os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
291 	os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
292 
293 	os_memset(&event, 0, sizeof(event));
294 	event.assoc_info.resp_frame = frame;
295 	event.assoc_info.resp_frame_len = len;
296 	if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
297 		event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
298 		event.assoc_info.resp_ies_len =
299 			len - 24 - sizeof(mgmt->u.assoc_resp);
300 	}
301 
302 	if (req_ie) {
303 		event.assoc_info.req_ies = nla_data(req_ie);
304 		event.assoc_info.req_ies_len = nla_len(req_ie);
305 	}
306 
307 	/* When this association was initiated outside of wpa_supplicant,
308 	 * drv->ssid needs to be set here to satisfy later checking. */
309 	ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid);
310 	if (ssid_len > 0) {
311 		drv->ssid_len = ssid_len;
312 		wpa_printf(MSG_DEBUG,
313 			   "nl80211: Set drv->ssid based on scan res info to '%s'",
314 			   wpa_ssid_txt(drv->ssid, drv->ssid_len));
315 	}
316 
317 	event.assoc_info.freq = drv->assoc_freq;
318 	drv->first_bss->freq = drv->assoc_freq;
319 
320 	nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
321 
322 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
323 }
324 
325 
326 #ifdef CONFIG_DRIVER_NL80211_QCA
327 
328 static int qca_drv_connect_fail_reason_code_handler(struct nl_msg *msg,
329 						    void *arg)
330 {
331 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
332 	struct nlattr *tb_sta_info[QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_MAX + 1];
333 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
334 	u32 *reason_code = arg;
335 
336 	*reason_code = 0;
337 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
338 		  genlmsg_attrlen(gnlh, 0), NULL);
339 
340 	if (!tb[NL80211_ATTR_VENDOR_DATA]) {
341 		wpa_printf(MSG_ERROR, "%s: Vendor data not found", __func__);
342 		return NL_SKIP;
343 	}
344 
345 	nla_parse(tb_sta_info, QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_MAX,
346 		  nla_data(tb[NL80211_ATTR_VENDOR_DATA]),
347 		  nla_len(tb[NL80211_ATTR_VENDOR_DATA]), NULL);
348 
349 	if (!tb_sta_info[QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_CONNECT_FAIL_REASON_CODE]) {
350 		wpa_printf(MSG_INFO, "%s: Vendor attr not found", __func__);
351 		return NL_SKIP;
352 	}
353 
354 	*reason_code = nla_get_u32(tb_sta_info[QCA_WLAN_VENDOR_ATTR_GET_STA_INFO_CONNECT_FAIL_REASON_CODE]);
355 
356 	return NL_SKIP;
357 }
358 
359 
360 static enum qca_sta_connect_fail_reason_codes
361 drv_get_connect_fail_reason_code(struct wpa_driver_nl80211_data *drv)
362 {
363 	enum qca_sta_connect_fail_reason_codes reason_code;
364 	struct nl_msg *msg;
365 	int ret;
366 
367 	msg = nl80211_drv_msg(drv, 0, NL80211_CMD_VENDOR);
368 	if (!msg || nla_put_u32(msg, NL80211_ATTR_VENDOR_ID, OUI_QCA) ||
369 	    nla_put_u32(msg, NL80211_ATTR_VENDOR_SUBCMD,
370 			QCA_NL80211_VENDOR_SUBCMD_GET_STA_INFO)) {
371 		nlmsg_free(msg);
372 		return 0;
373 	}
374 
375 	ret = send_and_recv_msgs(drv, msg,
376 				 qca_drv_connect_fail_reason_code_handler,
377 				 &reason_code, NULL, NULL);
378 	if (ret)
379 		wpa_printf(MSG_DEBUG,
380 			   "nl80211: Get connect fail reason_code failed: ret=%d (%s)",
381 			   ret, strerror(-ret));
382 
383 	return reason_code;
384 }
385 
386 
387 static enum sta_connect_fail_reason_codes
388 convert_connect_fail_reason_codes(enum qca_sta_connect_fail_reason_codes
389 				  reason_code)
390 {
391 	switch (reason_code) {
392 	case QCA_STA_CONNECT_FAIL_REASON_NO_BSS_FOUND:
393 		return STA_CONNECT_FAIL_REASON_NO_BSS_FOUND;
394 	case QCA_STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL:
395 		return STA_CONNECT_FAIL_REASON_AUTH_TX_FAIL;
396 	case QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED:
397 		return STA_CONNECT_FAIL_REASON_AUTH_NO_ACK_RECEIVED;
398 	case QCA_STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED:
399 		return STA_CONNECT_FAIL_REASON_AUTH_NO_RESP_RECEIVED;
400 	case QCA_STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL:
401 		return STA_CONNECT_FAIL_REASON_ASSOC_REQ_TX_FAIL;
402 	case QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED:
403 		return STA_CONNECT_FAIL_REASON_ASSOC_NO_ACK_RECEIVED;
404 	case QCA_STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED:
405 		return STA_CONNECT_FAIL_REASON_ASSOC_NO_RESP_RECEIVED;
406 	default:
407 		return STA_CONNECT_FAIL_REASON_UNSPECIFIED;
408 	}
409 }
410 
411 #endif /* CONFIG_DRIVER_NL80211_QCA */
412 
413 
414 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
415 			       enum nl80211_commands cmd, struct nlattr *status,
416 			       struct nlattr *addr, struct nlattr *req_ie,
417 			       struct nlattr *resp_ie,
418 			       struct nlattr *timed_out,
419 			       struct nlattr *timeout_reason,
420 			       struct nlattr *authorized,
421 			       struct nlattr *key_replay_ctr,
422 			       struct nlattr *ptk_kck,
423 			       struct nlattr *ptk_kek,
424 			       struct nlattr *subnet_status,
425 			       struct nlattr *fils_erp_next_seq_num,
426 			       struct nlattr *fils_pmk,
427 			       struct nlattr *fils_pmkid)
428 {
429 	union wpa_event_data event;
430 	const u8 *ssid = NULL;
431 	u16 status_code;
432 	int ssid_len;
433 
434 	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
435 		/*
436 		 * Avoid reporting two association events that would confuse
437 		 * the core code.
438 		 */
439 		wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
440 			   "when using userspace SME", cmd);
441 		return;
442 	}
443 
444 	drv->connect_reassoc = 0;
445 
446 	status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
447 
448 	if (cmd == NL80211_CMD_CONNECT) {
449 		wpa_printf(MSG_DEBUG,
450 			   "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
451 			   status_code, drv->ignore_next_local_disconnect);
452 	} else if (cmd == NL80211_CMD_ROAM) {
453 		wpa_printf(MSG_DEBUG, "nl80211: Roam event");
454 	}
455 
456 	os_memset(&event, 0, sizeof(event));
457 	if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
458 		if (addr)
459 			event.assoc_reject.bssid = nla_data(addr);
460 		if (drv->ignore_next_local_disconnect) {
461 			drv->ignore_next_local_disconnect = 0;
462 			if (!event.assoc_reject.bssid ||
463 			    (os_memcmp(event.assoc_reject.bssid,
464 				       drv->auth_attempt_bssid,
465 				       ETH_ALEN) != 0)) {
466 				/*
467 				 * Ignore the event that came without a BSSID or
468 				 * for the old connection since this is likely
469 				 * not relevant to the new Connect command.
470 				 */
471 				wpa_printf(MSG_DEBUG,
472 					   "nl80211: Ignore connection failure event triggered during reassociation");
473 				return;
474 			}
475 		}
476 		if (resp_ie) {
477 			event.assoc_reject.resp_ies = nla_data(resp_ie);
478 			event.assoc_reject.resp_ies_len = nla_len(resp_ie);
479 		}
480 		event.assoc_reject.status_code = status_code;
481 		event.assoc_reject.timed_out = timed_out != NULL;
482 		if (timed_out && timeout_reason) {
483 			enum nl80211_timeout_reason reason;
484 
485 			reason = nla_get_u32(timeout_reason);
486 			switch (reason) {
487 			case NL80211_TIMEOUT_SCAN:
488 				event.assoc_reject.timeout_reason = "scan";
489 				break;
490 			case NL80211_TIMEOUT_AUTH:
491 				event.assoc_reject.timeout_reason = "auth";
492 				break;
493 			case NL80211_TIMEOUT_ASSOC:
494 				event.assoc_reject.timeout_reason = "assoc";
495 				break;
496 			default:
497 				break;
498 			}
499 		}
500 		if (fils_erp_next_seq_num)
501 			event.assoc_reject.fils_erp_next_seq_num =
502 				nla_get_u16(fils_erp_next_seq_num);
503 
504 #ifdef CONFIG_DRIVER_NL80211_QCA
505 		if (drv->get_sta_info_vendor_cmd_avail) {
506 			enum qca_sta_connect_fail_reason_codes reason_code;
507 
508 			reason_code = drv_get_connect_fail_reason_code(drv);
509 			event.assoc_reject.reason_code =
510 				convert_connect_fail_reason_codes(reason_code);
511 		}
512 #endif /* CONFIG_DRIVER_NL80211_QCA */
513 
514 		wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
515 		return;
516 	}
517 
518 	drv->associated = 1;
519 	if (addr) {
520 		os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
521 		os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
522 	}
523 
524 	if (req_ie) {
525 		event.assoc_info.req_ies = nla_data(req_ie);
526 		event.assoc_info.req_ies_len = nla_len(req_ie);
527 
528 		if (cmd == NL80211_CMD_ROAM) {
529 			ssid = get_ie(event.assoc_info.req_ies,
530 				      event.assoc_info.req_ies_len,
531 				      WLAN_EID_SSID);
532 			if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
533 				drv->ssid_len = ssid[1];
534 				os_memcpy(drv->ssid, ssid + 2, ssid[1]);
535 				wpa_printf(MSG_DEBUG,
536 					   "nl80211: Set drv->ssid based on req_ie to '%s'",
537 					   wpa_ssid_txt(drv->ssid,
538 							drv->ssid_len));
539 			}
540 		}
541 	}
542 	if (resp_ie) {
543 		event.assoc_info.resp_ies = nla_data(resp_ie);
544 		event.assoc_info.resp_ies_len = nla_len(resp_ie);
545 	}
546 
547 	event.assoc_info.freq = nl80211_get_assoc_freq(drv);
548 	drv->first_bss->freq = drv->assoc_freq;
549 
550 	if ((!ssid || ssid[1] == 0 || ssid[1] > 32) &&
551 	    (ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid)) > 0) {
552 		/* When this connection was initiated outside of wpa_supplicant,
553 		 * drv->ssid needs to be set here to satisfy later checking. */
554 		drv->ssid_len = ssid_len;
555 		wpa_printf(MSG_DEBUG,
556 			   "nl80211: Set drv->ssid based on scan res info to '%s'",
557 			   wpa_ssid_txt(drv->ssid, drv->ssid_len));
558 	}
559 
560 	if (authorized && nla_get_u8(authorized)) {
561 		event.assoc_info.authorized = 1;
562 		wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
563 	}
564 	if (key_replay_ctr) {
565 		event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
566 		event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
567 	}
568 	if (ptk_kck) {
569 		event.assoc_info.ptk_kck = nla_data(ptk_kck);
570 		event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
571 	}
572 	if (ptk_kek) {
573 		event.assoc_info.ptk_kek = nla_data(ptk_kek);
574 		event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
575 	}
576 
577 	if (subnet_status) {
578 		/*
579 		 * At least for now, this is only available from
580 		 * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that
581 		 * attribute has the same values 0, 1, 2 as are used in the
582 		 * variable here, so no mapping between different values are
583 		 * needed.
584 		 */
585 		event.assoc_info.subnet_status = nla_get_u8(subnet_status);
586 	}
587 
588 	if (fils_erp_next_seq_num)
589 		event.assoc_info.fils_erp_next_seq_num =
590 			nla_get_u16(fils_erp_next_seq_num);
591 
592 	if (fils_pmk) {
593 		event.assoc_info.fils_pmk = nla_data(fils_pmk);
594 		event.assoc_info.fils_pmk_len = nla_len(fils_pmk);
595 	}
596 
597 	if (fils_pmkid)
598 		event.assoc_info.fils_pmkid = nla_data(fils_pmkid);
599 
600 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
601 
602 	/* Avoid a race condition by stopping to ignore any following
603 	 * disconnection events now that the driver has indicated it is
604 	 * connected since that connection could have been triggered by a roam
605 	 * operation that happened in parallel with the disconnection request.
606 	 */
607 	drv->ignore_next_local_disconnect = 0;
608 }
609 
610 
611 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
612 				  struct nlattr *reason, struct nlattr *addr,
613 				  struct nlattr *by_ap)
614 {
615 	union wpa_event_data data;
616 	unsigned int locally_generated = by_ap == NULL;
617 
618 	if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
619 		/*
620 		 * Avoid reporting two disassociation events that could
621 		 * confuse the core code.
622 		 */
623 		wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
624 			   "event when using userspace SME");
625 		return;
626 	}
627 
628 	if (drv->ignore_next_local_disconnect) {
629 		drv->ignore_next_local_disconnect = 0;
630 		if (locally_generated) {
631 			wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
632 				   "event triggered during reassociation");
633 			return;
634 		}
635 		wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
636 			   "disconnect but got another disconnect "
637 			   "event first");
638 	}
639 
640 	wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
641 	nl80211_mark_disconnected(drv);
642 	os_memset(&data, 0, sizeof(data));
643 	if (reason)
644 		data.deauth_info.reason_code = nla_get_u16(reason);
645 	data.deauth_info.locally_generated = by_ap == NULL;
646 	wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
647 }
648 
649 
650 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
651 {
652 	int freq1 = 0;
653 
654 	switch (convert2width(width)) {
655 	case CHAN_WIDTH_20_NOHT:
656 	case CHAN_WIDTH_20:
657 		return 0;
658 	case CHAN_WIDTH_40:
659 		freq1 = cf1 - 10;
660 		break;
661 	case CHAN_WIDTH_80:
662 		freq1 = cf1 - 30;
663 		break;
664 	case CHAN_WIDTH_160:
665 		freq1 = cf1 - 70;
666 		break;
667 	case CHAN_WIDTH_80P80:
668 		freq1 = cf1 - 30;
669 		break;
670 	case CHAN_WIDTH_UNKNOWN:
671 	case CHAN_WIDTH_2160:
672 	case CHAN_WIDTH_4320:
673 	case CHAN_WIDTH_6480:
674 	case CHAN_WIDTH_8640:
675 		/* FIXME: implement this */
676 		return 0;
677 	}
678 
679 	return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
680 }
681 
682 
683 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
684 				 struct nlattr *ifindex, struct nlattr *freq,
685 				 struct nlattr *type, struct nlattr *bw,
686 				 struct nlattr *cf1, struct nlattr *cf2,
687 				 int finished)
688 {
689 	struct i802_bss *bss;
690 	union wpa_event_data data;
691 	int ht_enabled = 1;
692 	int chan_offset = 0;
693 	int ifidx;
694 
695 	wpa_printf(MSG_DEBUG, "nl80211: Channel switch%s event",
696 		   finished ? "" : " started");
697 
698 	if (!freq)
699 		return;
700 
701 	ifidx = nla_get_u32(ifindex);
702 	bss = get_bss_ifindex(drv, ifidx);
703 	if (bss == NULL) {
704 		wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
705 			   ifidx);
706 		return;
707 	}
708 
709 	if (type) {
710 		enum nl80211_channel_type ch_type = nla_get_u32(type);
711 
712 		wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
713 		switch (ch_type) {
714 		case NL80211_CHAN_NO_HT:
715 			ht_enabled = 0;
716 			break;
717 		case NL80211_CHAN_HT20:
718 			break;
719 		case NL80211_CHAN_HT40PLUS:
720 			chan_offset = 1;
721 			break;
722 		case NL80211_CHAN_HT40MINUS:
723 			chan_offset = -1;
724 			break;
725 		}
726 	} else if (bw && cf1) {
727 		/* This can happen for example with VHT80 ch switch */
728 		chan_offset = calculate_chan_offset(nla_get_u32(bw),
729 						    nla_get_u32(freq),
730 						    nla_get_u32(cf1),
731 						    cf2 ? nla_get_u32(cf2) : 0);
732 		wpa_printf(MSG_DEBUG, "nl80211: Calculated channel offset: %d",
733 			   chan_offset);
734 	} else {
735 		wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
736 	}
737 
738 	os_memset(&data, 0, sizeof(data));
739 	data.ch_switch.freq = nla_get_u32(freq);
740 	data.ch_switch.ht_enabled = ht_enabled;
741 	data.ch_switch.ch_offset = chan_offset;
742 	if (bw)
743 		data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
744 	if (cf1)
745 		data.ch_switch.cf1 = nla_get_u32(cf1);
746 	if (cf2)
747 		data.ch_switch.cf2 = nla_get_u32(cf2);
748 
749 	if (finished)
750 		bss->freq = data.ch_switch.freq;
751 	drv->assoc_freq = data.ch_switch.freq;
752 
753 	wpa_supplicant_event(bss->ctx, finished ?
754 			     EVENT_CH_SWITCH : EVENT_CH_SWITCH_STARTED, &data);
755 }
756 
757 
758 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
759 			       enum nl80211_commands cmd, struct nlattr *addr)
760 {
761 	union wpa_event_data event;
762 	enum wpa_event_type ev;
763 
764 	if (nla_len(addr) != ETH_ALEN)
765 		return;
766 
767 	wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
768 		   cmd, MAC2STR((u8 *) nla_data(addr)));
769 
770 	if (cmd == NL80211_CMD_AUTHENTICATE)
771 		ev = EVENT_AUTH_TIMED_OUT;
772 	else if (cmd == NL80211_CMD_ASSOCIATE)
773 		ev = EVENT_ASSOC_TIMED_OUT;
774 	else
775 		return;
776 
777 	os_memset(&event, 0, sizeof(event));
778 	os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
779 	wpa_supplicant_event(drv->ctx, ev, &event);
780 }
781 
782 
783 static void mlme_event_mgmt(struct i802_bss *bss,
784 			    struct nlattr *freq, struct nlattr *sig,
785 			    const u8 *frame, size_t len)
786 {
787 	struct wpa_driver_nl80211_data *drv = bss->drv;
788 	const struct ieee80211_mgmt *mgmt;
789 	union wpa_event_data event;
790 	u16 fc, stype;
791 	int ssi_signal = 0;
792 	int rx_freq = 0;
793 
794 	wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
795 	mgmt = (const struct ieee80211_mgmt *) frame;
796 	if (len < 24) {
797 		wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
798 		return;
799 	}
800 
801 	fc = le_to_host16(mgmt->frame_control);
802 	stype = WLAN_FC_GET_STYPE(fc);
803 
804 	if (sig)
805 		ssi_signal = (s32) nla_get_u32(sig);
806 
807 	os_memset(&event, 0, sizeof(event));
808 	if (freq) {
809 		event.rx_mgmt.freq = nla_get_u32(freq);
810 		rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
811 	}
812 	wpa_printf(MSG_DEBUG,
813 		   "nl80211: RX frame da=" MACSTR " sa=" MACSTR " bssid=" MACSTR
814 		   " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
815 		   MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
816 		   rx_freq, ssi_signal, fc,
817 		   le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
818 		   (unsigned int) len);
819 	event.rx_mgmt.frame = frame;
820 	event.rx_mgmt.frame_len = len;
821 	event.rx_mgmt.ssi_signal = ssi_signal;
822 	event.rx_mgmt.drv_priv = bss;
823 	wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
824 }
825 
826 
827 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
828 				      struct nlattr *cookie, const u8 *frame,
829 				      size_t len, struct nlattr *ack)
830 {
831 	union wpa_event_data event;
832 	const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *) frame;
833 	u16 fc = le_to_host16(hdr->frame_control);
834 	u64 cookie_val = 0;
835 
836 	if (cookie)
837 		cookie_val = nla_get_u64(cookie);
838 	wpa_printf(MSG_DEBUG,
839 		   "nl80211: Frame TX status event A1=" MACSTR
840 		   " %sstype=%d cookie=0x%llx%s ack=%d",
841 		   MAC2STR(hdr->addr1),
842 		   WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ? "not-mgmt " : "",
843 		   WLAN_FC_GET_STYPE(fc), (long long unsigned int) cookie_val,
844 		   cookie ? "" : "(N/A)", ack != NULL);
845 
846 	if (cookie_val && cookie_val == drv->eapol_tx_cookie &&
847 	    len >= ETH_HLEN &&
848 	    WPA_GET_BE16(frame + 2 * ETH_ALEN) == ETH_P_PAE) {
849 		wpa_printf(MSG_DEBUG,
850 			   "nl80211: Work around misdelivered control port TX status for EAPOL");
851 		nl80211_control_port_frame_tx_status(drv, frame, len, ack,
852 						     cookie);
853 		return;
854 	}
855 
856 	if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT)
857 		return;
858 
859 	if (!is_ap_interface(drv->nlmode) &&
860 	    WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_ACTION) {
861 		if (!cookie)
862 			return;
863 
864 		wpa_printf(MSG_DEBUG,
865 			   "nl80211: Frame TX status: cookie=0x%llx%s (ack=%d)",
866 			   (long long unsigned int) cookie_val,
867 			   cookie_val == drv->send_frame_cookie ?
868 			   " (match)" : " (unknown)", ack != NULL);
869 		if (cookie_val != drv->send_frame_cookie)
870 			return;
871 	} else if (!is_ap_interface(drv->nlmode) &&
872 		   WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
873 		wpa_printf(MSG_DEBUG,
874 			   "nl80211: Authentication frame TX status: ack=%d",
875 			   !!ack);
876 	}
877 
878 	os_memset(&event, 0, sizeof(event));
879 	event.tx_status.type = WLAN_FC_GET_TYPE(fc);
880 	event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
881 	event.tx_status.dst = hdr->addr1;
882 	event.tx_status.data = frame;
883 	event.tx_status.data_len = len;
884 	event.tx_status.ack = ack != NULL;
885 	wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
886 }
887 
888 
889 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
890 				       enum wpa_event_type type,
891 				       const u8 *frame, size_t len)
892 {
893 	const struct ieee80211_mgmt *mgmt;
894 	union wpa_event_data event;
895 	const u8 *bssid = NULL;
896 	u16 reason_code = 0;
897 
898 	if (type == EVENT_DEAUTH)
899 		wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
900 	else
901 		wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
902 
903 	mgmt = (const struct ieee80211_mgmt *) frame;
904 	if (len >= 24) {
905 		bssid = mgmt->bssid;
906 
907 		if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
908 		    !drv->associated &&
909 		    os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
910 		    os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
911 		    os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
912 			/*
913 			 * Avoid issues with some roaming cases where
914 			 * disconnection event for the old AP may show up after
915 			 * we have started connection with the new AP.
916 			 * In case of locally generated event clear
917 			 * ignore_next_local_deauth as well, to avoid next local
918 			 * deauth event be wrongly ignored.
919 			 */
920 			if (!os_memcmp(mgmt->sa, drv->first_bss->addr,
921 				       ETH_ALEN)) {
922 				wpa_printf(MSG_DEBUG,
923 					   "nl80211: Received a locally generated deauth event. Clear ignore_next_local_deauth flag");
924 				drv->ignore_next_local_deauth = 0;
925 			} else {
926 				wpa_printf(MSG_DEBUG,
927 					   "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
928 					   MAC2STR(bssid),
929 					   MAC2STR(drv->auth_attempt_bssid));
930 			}
931 			return;
932 		}
933 
934 		if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
935 		    drv->connect_reassoc && drv->associated &&
936 		    os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0 &&
937 		    os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0) {
938 			/*
939 			 * Avoid issues with some roaming cases where
940 			 * disconnection event for the old AP may show up after
941 			 * we have started connection with the new AP.
942 			 */
943 			wpa_printf(MSG_DEBUG,
944 				   "nl80211: Ignore deauth/disassoc event from old AP "
945 				   MACSTR
946 				   " when already connecting with " MACSTR,
947 				   MAC2STR(bssid),
948 				   MAC2STR(drv->auth_attempt_bssid));
949 			return;
950 		}
951 
952 		if (drv->associated != 0 &&
953 		    os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
954 		    os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
955 			/*
956 			 * We have presumably received this deauth as a
957 			 * response to a clear_state_mismatch() outgoing
958 			 * deauth.  Don't let it take us offline!
959 			 */
960 			wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
961 				   "from Unknown BSSID " MACSTR " -- ignoring",
962 				   MAC2STR(bssid));
963 			return;
964 		}
965 	}
966 
967 	nl80211_mark_disconnected(drv);
968 	os_memset(&event, 0, sizeof(event));
969 
970 	/* Note: Same offset for Reason Code in both frame subtypes */
971 	if (len >= 24 + sizeof(mgmt->u.deauth))
972 		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
973 
974 	if (type == EVENT_DISASSOC) {
975 		event.disassoc_info.locally_generated =
976 			!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
977 		event.disassoc_info.addr = bssid;
978 		event.disassoc_info.reason_code = reason_code;
979 		if (frame + len > mgmt->u.disassoc.variable) {
980 			event.disassoc_info.ie = mgmt->u.disassoc.variable;
981 			event.disassoc_info.ie_len = frame + len -
982 				mgmt->u.disassoc.variable;
983 		}
984 	} else {
985 		event.deauth_info.locally_generated =
986 			!os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
987 		if (drv->ignore_deauth_event) {
988 			wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
989 			drv->ignore_deauth_event = 0;
990 			if (event.deauth_info.locally_generated)
991 				drv->ignore_next_local_deauth = 0;
992 			return;
993 		}
994 		if (drv->ignore_next_local_deauth) {
995 			drv->ignore_next_local_deauth = 0;
996 			if (event.deauth_info.locally_generated) {
997 				wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
998 				return;
999 			}
1000 			wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
1001 		}
1002 		event.deauth_info.addr = bssid;
1003 		event.deauth_info.reason_code = reason_code;
1004 		if (frame + len > mgmt->u.deauth.variable) {
1005 			event.deauth_info.ie = mgmt->u.deauth.variable;
1006 			event.deauth_info.ie_len = frame + len -
1007 				mgmt->u.deauth.variable;
1008 		}
1009 	}
1010 
1011 	wpa_supplicant_event(drv->ctx, type, &event);
1012 }
1013 
1014 
1015 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
1016 					 enum wpa_event_type type,
1017 					 const u8 *frame, size_t len)
1018 {
1019 	const struct ieee80211_mgmt *mgmt;
1020 	union wpa_event_data event;
1021 	u16 reason_code = 0;
1022 
1023 	if (type == EVENT_UNPROT_DEAUTH)
1024 		wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
1025 	else
1026 		wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
1027 
1028 	if (len < 24)
1029 		return;
1030 
1031 	mgmt = (const struct ieee80211_mgmt *) frame;
1032 
1033 	os_memset(&event, 0, sizeof(event));
1034 	/* Note: Same offset for Reason Code in both frame subtypes */
1035 	if (len >= 24 + sizeof(mgmt->u.deauth))
1036 		reason_code = le_to_host16(mgmt->u.deauth.reason_code);
1037 
1038 	if (type == EVENT_UNPROT_DISASSOC) {
1039 		event.unprot_disassoc.sa = mgmt->sa;
1040 		event.unprot_disassoc.da = mgmt->da;
1041 		event.unprot_disassoc.reason_code = reason_code;
1042 	} else {
1043 		event.unprot_deauth.sa = mgmt->sa;
1044 		event.unprot_deauth.da = mgmt->da;
1045 		event.unprot_deauth.reason_code = reason_code;
1046 	}
1047 
1048 	wpa_supplicant_event(drv->ctx, type, &event);
1049 }
1050 
1051 
1052 static void mlme_event_unprot_beacon(struct wpa_driver_nl80211_data *drv,
1053 				     const u8 *frame, size_t len)
1054 {
1055 	const struct ieee80211_mgmt *mgmt;
1056 	union wpa_event_data event;
1057 
1058 	if (len < 24)
1059 		return;
1060 
1061 	mgmt = (const struct ieee80211_mgmt *) frame;
1062 
1063 	os_memset(&event, 0, sizeof(event));
1064 	event.unprot_beacon.sa = mgmt->sa;
1065 	wpa_supplicant_event(drv->ctx, EVENT_UNPROT_BEACON, &event);
1066 }
1067 
1068 
1069 static void mlme_event(struct i802_bss *bss,
1070 		       enum nl80211_commands cmd, struct nlattr *frame,
1071 		       struct nlattr *addr, struct nlattr *timed_out,
1072 		       struct nlattr *freq, struct nlattr *ack,
1073 		       struct nlattr *cookie, struct nlattr *sig,
1074 		       struct nlattr *wmm, struct nlattr *req_ie)
1075 {
1076 	struct wpa_driver_nl80211_data *drv = bss->drv;
1077 	const u8 *data;
1078 	size_t len;
1079 
1080 	if (timed_out && addr) {
1081 		mlme_timeout_event(drv, cmd, addr);
1082 		return;
1083 	}
1084 
1085 	if (frame == NULL) {
1086 		wpa_printf(MSG_DEBUG,
1087 			   "nl80211: MLME event %d (%s) without frame data",
1088 			   cmd, nl80211_command_to_string(cmd));
1089 		return;
1090 	}
1091 
1092 	data = nla_data(frame);
1093 	len = nla_len(frame);
1094 	if (len < 4 + 2 * ETH_ALEN) {
1095 		wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
1096 			   MACSTR ") - too short",
1097 			   cmd, nl80211_command_to_string(cmd), bss->ifname,
1098 			   MAC2STR(bss->addr));
1099 		return;
1100 	}
1101 	wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
1102 		   ") A1=" MACSTR " A2=" MACSTR, cmd,
1103 		   nl80211_command_to_string(cmd), bss->ifname,
1104 		   MAC2STR(bss->addr), MAC2STR(data + 4),
1105 		   MAC2STR(data + 4 + ETH_ALEN));
1106 	if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
1107 	    os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
1108 	    (is_zero_ether_addr(bss->rand_addr) ||
1109 	     os_memcmp(bss->rand_addr, data + 4, ETH_ALEN) != 0) &&
1110 	    os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
1111 		wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
1112 			   "for foreign address", bss->ifname);
1113 		return;
1114 	}
1115 	wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
1116 		    nla_data(frame), nla_len(frame));
1117 
1118 	switch (cmd) {
1119 	case NL80211_CMD_AUTHENTICATE:
1120 		mlme_event_auth(drv, nla_data(frame), nla_len(frame));
1121 		break;
1122 	case NL80211_CMD_ASSOCIATE:
1123 		mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm,
1124 				 req_ie);
1125 		break;
1126 	case NL80211_CMD_DEAUTHENTICATE:
1127 		mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
1128 					   nla_data(frame), nla_len(frame));
1129 		break;
1130 	case NL80211_CMD_DISASSOCIATE:
1131 		mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
1132 					   nla_data(frame), nla_len(frame));
1133 		break;
1134 	case NL80211_CMD_FRAME:
1135 		mlme_event_mgmt(bss, freq, sig, nla_data(frame),
1136 				nla_len(frame));
1137 		break;
1138 	case NL80211_CMD_FRAME_TX_STATUS:
1139 		mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
1140 					  nla_len(frame), ack);
1141 		break;
1142 	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1143 		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
1144 					     nla_data(frame), nla_len(frame));
1145 		break;
1146 	case NL80211_CMD_UNPROT_DISASSOCIATE:
1147 		mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
1148 					     nla_data(frame), nla_len(frame));
1149 		break;
1150 	case NL80211_CMD_UNPROT_BEACON:
1151 		mlme_event_unprot_beacon(drv, nla_data(frame), nla_len(frame));
1152 		break;
1153 	default:
1154 		break;
1155 	}
1156 }
1157 
1158 
1159 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
1160 					   struct nlattr *tb[])
1161 {
1162 	union wpa_event_data data;
1163 
1164 	wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
1165 	os_memset(&data, 0, sizeof(data));
1166 	if (tb[NL80211_ATTR_MAC]) {
1167 		wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
1168 			    nla_data(tb[NL80211_ATTR_MAC]),
1169 			    nla_len(tb[NL80211_ATTR_MAC]));
1170 		data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
1171 	}
1172 	if (tb[NL80211_ATTR_KEY_SEQ]) {
1173 		wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
1174 			    nla_data(tb[NL80211_ATTR_KEY_SEQ]),
1175 			    nla_len(tb[NL80211_ATTR_KEY_SEQ]));
1176 	}
1177 	if (tb[NL80211_ATTR_KEY_TYPE]) {
1178 		enum nl80211_key_type key_type =
1179 			nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
1180 		wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
1181 		if (key_type == NL80211_KEYTYPE_PAIRWISE)
1182 			data.michael_mic_failure.unicast = 1;
1183 	} else
1184 		data.michael_mic_failure.unicast = 1;
1185 
1186 	if (tb[NL80211_ATTR_KEY_IDX]) {
1187 		u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
1188 		wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
1189 	}
1190 
1191 	wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
1192 }
1193 
1194 
1195 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1196 				 struct nlattr *tb[])
1197 {
1198 	unsigned int freq;
1199 	union wpa_event_data event;
1200 
1201 	if (tb[NL80211_ATTR_MAC] == NULL) {
1202 		wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1203 			   "event");
1204 		return;
1205 	}
1206 	os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1207 
1208 	drv->associated = 1;
1209 	wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1210 		   MAC2STR(drv->bssid));
1211 
1212 	freq = nl80211_get_assoc_freq(drv);
1213 	if (freq) {
1214 		wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
1215 			   freq);
1216 		drv->first_bss->freq = freq;
1217 	}
1218 
1219 	os_memset(&event, 0, sizeof(event));
1220 	event.assoc_info.freq = freq;
1221 
1222 	wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1223 }
1224 
1225 
1226 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1227 					 int cancel_event, struct nlattr *tb[])
1228 {
1229 	unsigned int freq, chan_type, duration;
1230 	union wpa_event_data data;
1231 	u64 cookie;
1232 
1233 	if (tb[NL80211_ATTR_WIPHY_FREQ])
1234 		freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1235 	else
1236 		freq = 0;
1237 
1238 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1239 		chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1240 	else
1241 		chan_type = 0;
1242 
1243 	if (tb[NL80211_ATTR_DURATION])
1244 		duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1245 	else
1246 		duration = 0;
1247 
1248 	if (tb[NL80211_ATTR_COOKIE])
1249 		cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1250 	else
1251 		cookie = 0;
1252 
1253 	wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1254 		   "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1255 		   cancel_event, freq, chan_type, duration,
1256 		   (long long unsigned int) cookie,
1257 		   cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1258 
1259 	if (cookie != drv->remain_on_chan_cookie)
1260 		return; /* not for us */
1261 
1262 	if (cancel_event)
1263 		drv->pending_remain_on_chan = 0;
1264 
1265 	os_memset(&data, 0, sizeof(data));
1266 	data.remain_on_channel.freq = freq;
1267 	data.remain_on_channel.duration = duration;
1268 	wpa_supplicant_event(drv->ctx, cancel_event ?
1269 			     EVENT_CANCEL_REMAIN_ON_CHANNEL :
1270 			     EVENT_REMAIN_ON_CHANNEL, &data);
1271 }
1272 
1273 
1274 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1275 				struct nlattr *tb[])
1276 {
1277 	union wpa_event_data data;
1278 
1279 	os_memset(&data, 0, sizeof(data));
1280 
1281 	if (tb[NL80211_ATTR_IE]) {
1282 		data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1283 		data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1284 	}
1285 
1286 	if (tb[NL80211_ATTR_IE_RIC]) {
1287 		data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1288 		data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1289 	}
1290 
1291 	if (tb[NL80211_ATTR_MAC])
1292 		os_memcpy(data.ft_ies.target_ap,
1293 			  nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1294 
1295 	wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1296 		   MAC2STR(data.ft_ies.target_ap));
1297 
1298 	wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1299 }
1300 
1301 
1302 static void mlme_event_dh_event(struct wpa_driver_nl80211_data *drv,
1303 				struct i802_bss *bss,
1304 				struct nlattr *tb[])
1305 {
1306 	union wpa_event_data data;
1307 
1308 	if (!is_ap_interface(drv->nlmode))
1309 		return;
1310 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1311 		return;
1312 
1313 	os_memset(&data, 0, sizeof(data));
1314 	data.update_dh.peer = nla_data(tb[NL80211_ATTR_MAC]);
1315 	data.update_dh.ie = nla_data(tb[NL80211_ATTR_IE]);
1316 	data.update_dh.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1317 
1318 	wpa_printf(MSG_DEBUG, "nl80211: DH event - peer " MACSTR,
1319 		   MAC2STR(data.update_dh.peer));
1320 
1321 	wpa_supplicant_event(bss->ctx, EVENT_UPDATE_DH, &data);
1322 }
1323 
1324 
1325 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1326 			    struct nlattr *tb[], int external_scan)
1327 {
1328 	union wpa_event_data event;
1329 	struct nlattr *nl;
1330 	int rem;
1331 	struct scan_info *info;
1332 #define MAX_REPORT_FREQS 100
1333 	int freqs[MAX_REPORT_FREQS];
1334 	int num_freqs = 0;
1335 
1336 	if (!external_scan && drv->scan_for_auth) {
1337 		drv->scan_for_auth = 0;
1338 		wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1339 			   "cfg80211 BSS entry");
1340 		wpa_driver_nl80211_authenticate_retry(drv);
1341 		return;
1342 	}
1343 
1344 	os_memset(&event, 0, sizeof(event));
1345 	info = &event.scan_info;
1346 	info->aborted = aborted;
1347 	info->external_scan = external_scan;
1348 	info->nl_scan_event = 1;
1349 
1350 	if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1351 		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1352 			struct wpa_driver_scan_ssid *s =
1353 				&info->ssids[info->num_ssids];
1354 			s->ssid = nla_data(nl);
1355 			s->ssid_len = nla_len(nl);
1356 			wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1357 				   wpa_ssid_txt(s->ssid, s->ssid_len));
1358 			info->num_ssids++;
1359 			if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1360 				break;
1361 		}
1362 	}
1363 	if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1364 		char msg[500], *pos, *end;
1365 		int res;
1366 
1367 		pos = msg;
1368 		end = pos + sizeof(msg);
1369 		*pos = '\0';
1370 
1371 		nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1372 		{
1373 			freqs[num_freqs] = nla_get_u32(nl);
1374 			res = os_snprintf(pos, end - pos, " %d",
1375 					  freqs[num_freqs]);
1376 			if (!os_snprintf_error(end - pos, res))
1377 				pos += res;
1378 			num_freqs++;
1379 			if (num_freqs == MAX_REPORT_FREQS - 1)
1380 				break;
1381 		}
1382 		info->freqs = freqs;
1383 		info->num_freqs = num_freqs;
1384 		wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1385 			   msg);
1386 	}
1387 
1388 	if (tb[NL80211_ATTR_SCAN_START_TIME_TSF] &&
1389 	    tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]) {
1390 		info->scan_start_tsf =
1391 			nla_get_u64(tb[NL80211_ATTR_SCAN_START_TIME_TSF]);
1392 		os_memcpy(info->scan_start_tsf_bssid,
1393 			  nla_data(tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]),
1394 			  ETH_ALEN);
1395 	}
1396 
1397 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1398 }
1399 
1400 
1401 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1402 			      struct nlattr *tb[])
1403 {
1404 	static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1405 		[NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1406 		[NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1407 		[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1408 		[NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1409 		[NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
1410 		[NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
1411 		[NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
1412 		[NL80211_ATTR_CQM_BEACON_LOSS_EVENT] = { .type = NLA_FLAG },
1413 	};
1414 	struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1415 	enum nl80211_cqm_rssi_threshold_event event;
1416 	union wpa_event_data ed;
1417 	int res;
1418 
1419 	if (tb[NL80211_ATTR_CQM] == NULL ||
1420 	    nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1421 			     cqm_policy)) {
1422 		wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1423 		return;
1424 	}
1425 
1426 	os_memset(&ed, 0, sizeof(ed));
1427 
1428 	if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1429 		if (!tb[NL80211_ATTR_MAC])
1430 			return;
1431 		os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1432 			  ETH_ALEN);
1433 		ed.low_ack.num_packets =
1434 			nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
1435 		wpa_printf(MSG_DEBUG, "nl80211: Packet loss event for " MACSTR
1436 			   " (num_packets %u)",
1437 			   MAC2STR(ed.low_ack.addr), ed.low_ack.num_packets);
1438 		wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1439 		return;
1440 	}
1441 
1442 	if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
1443 		wpa_printf(MSG_DEBUG, "nl80211: Beacon loss event");
1444 		wpa_supplicant_event(drv->ctx, EVENT_BEACON_LOSS, NULL);
1445 		return;
1446 	}
1447 
1448 	if (cqm[NL80211_ATTR_CQM_TXE_RATE] &&
1449 	    cqm[NL80211_ATTR_CQM_TXE_PKTS] &&
1450 	    cqm[NL80211_ATTR_CQM_TXE_INTVL] &&
1451 	    cqm[NL80211_ATTR_MAC]) {
1452 		wpa_printf(MSG_DEBUG, "nl80211: CQM TXE event for " MACSTR
1453 			   " (rate: %u pkts: %u interval: %u)",
1454 			   MAC2STR((u8 *) nla_data(cqm[NL80211_ATTR_MAC])),
1455 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_RATE]),
1456 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_PKTS]),
1457 			   nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_INTVL]));
1458 		return;
1459 	}
1460 
1461 	if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) {
1462 		wpa_printf(MSG_DEBUG,
1463 			   "nl80211: Not a CQM RSSI threshold event");
1464 		return;
1465 	}
1466 	event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1467 
1468 	if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1469 		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1470 			   "event: RSSI high");
1471 		ed.signal_change.above_threshold = 1;
1472 	} else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1473 		wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1474 			   "event: RSSI low");
1475 		ed.signal_change.above_threshold = 0;
1476 	} else {
1477 		wpa_printf(MSG_DEBUG,
1478 			   "nl80211: Unknown CQM RSSI threshold event: %d",
1479 			   event);
1480 		return;
1481 	}
1482 
1483 	/*
1484 	 * nl80211_get_link_signal() and nl80211_get_link_noise() set default
1485 	 * values in case querying the driver fails.
1486 	 */
1487 	res = nl80211_get_link_signal(drv, &ed.signal_change);
1488 	if (res == 0) {
1489 		wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm  txrate: %d",
1490 			   ed.signal_change.current_signal,
1491 			   ed.signal_change.current_txrate);
1492 	} else {
1493 		wpa_printf(MSG_DEBUG,
1494 			   "nl80211: Querying the driver for signal info failed");
1495 	}
1496 
1497 	res = nl80211_get_link_noise(drv, &ed.signal_change);
1498 	if (res == 0) {
1499 		wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1500 			   ed.signal_change.current_noise);
1501 	} else {
1502 		wpa_printf(MSG_DEBUG,
1503 			   "nl80211: Querying the driver for noise info failed");
1504 	}
1505 
1506 	wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1507 }
1508 
1509 
1510 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1511 				       struct nlattr **tb)
1512 {
1513 	const u8 *addr;
1514 	union wpa_event_data data;
1515 
1516 	if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1517 	    !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1518 		return;
1519 
1520 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1521 	wpa_printf(MSG_DEBUG, "nl80211: New peer candidate " MACSTR,
1522 		   MAC2STR(addr));
1523 
1524 	os_memset(&data, 0, sizeof(data));
1525 	data.mesh_peer.peer = addr;
1526 	data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1527 	data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1528 	wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1529 }
1530 
1531 
1532 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1533 				      struct i802_bss *bss,
1534 				      struct nlattr **tb)
1535 {
1536 	u8 *addr;
1537 	union wpa_event_data data;
1538 
1539 	if (tb[NL80211_ATTR_MAC] == NULL)
1540 		return;
1541 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1542 	wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1543 
1544 	if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1545 		u8 *ies = NULL;
1546 		size_t ies_len = 0;
1547 		if (tb[NL80211_ATTR_IE]) {
1548 			ies = nla_data(tb[NL80211_ATTR_IE]);
1549 			ies_len = nla_len(tb[NL80211_ATTR_IE]);
1550 		}
1551 		wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1552 		drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1553 		return;
1554 	}
1555 
1556 	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1557 		return;
1558 
1559 	os_memset(&data, 0, sizeof(data));
1560 	os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1561 	wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1562 }
1563 
1564 
1565 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1566 				      struct i802_bss *bss,
1567 				      struct nlattr **tb)
1568 {
1569 	u8 *addr;
1570 	union wpa_event_data data;
1571 
1572 	if (tb[NL80211_ATTR_MAC] == NULL)
1573 		return;
1574 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1575 	wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1576 		   MAC2STR(addr));
1577 
1578 	if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1579 		drv_event_disassoc(bss->ctx, addr);
1580 		return;
1581 	}
1582 
1583 	if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1584 		return;
1585 
1586 	os_memset(&data, 0, sizeof(data));
1587 	os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1588 	wpa_supplicant_event(bss->ctx, EVENT_IBSS_PEER_LOST, &data);
1589 }
1590 
1591 
1592 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1593 					struct nlattr **tb)
1594 {
1595 	struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1596 	static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1597 		[NL80211_REKEY_DATA_KEK] = {
1598 			.minlen = NL80211_KEK_LEN,
1599 			.maxlen = NL80211_KEK_LEN,
1600 		},
1601 		[NL80211_REKEY_DATA_KCK] = {
1602 			.minlen = NL80211_KCK_LEN,
1603 			.maxlen = NL80211_KCK_LEN,
1604 		},
1605 		[NL80211_REKEY_DATA_REPLAY_CTR] = {
1606 			.minlen = NL80211_REPLAY_CTR_LEN,
1607 			.maxlen = NL80211_REPLAY_CTR_LEN,
1608 		},
1609 	};
1610 	union wpa_event_data data;
1611 
1612 	if (!tb[NL80211_ATTR_MAC] ||
1613 	    !tb[NL80211_ATTR_REKEY_DATA] ||
1614 	    nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1615 			     tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1616 	    !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1617 		return;
1618 
1619 	os_memset(&data, 0, sizeof(data));
1620 	data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1621 	wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1622 		   MAC2STR(data.driver_gtk_rekey.bssid));
1623 	data.driver_gtk_rekey.replay_ctr =
1624 		nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1625 	wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1626 		    data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1627 	wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1628 }
1629 
1630 
1631 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1632 					  struct nlattr **tb)
1633 {
1634 	struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1635 	static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1636 		[NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1637 		[NL80211_PMKSA_CANDIDATE_BSSID] = {
1638 			.minlen = ETH_ALEN,
1639 			.maxlen = ETH_ALEN,
1640 		},
1641 		[NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1642 	};
1643 	union wpa_event_data data;
1644 
1645 	wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1646 
1647 	if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1648 	    nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1649 			     tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1650 	    !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1651 	    !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1652 		return;
1653 
1654 	os_memset(&data, 0, sizeof(data));
1655 	os_memcpy(data.pmkid_candidate.bssid,
1656 		  nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1657 	data.pmkid_candidate.index =
1658 		nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1659 	data.pmkid_candidate.preauth =
1660 		cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1661 	wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1662 }
1663 
1664 
1665 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1666 				       struct nlattr **tb)
1667 {
1668 	union wpa_event_data data;
1669 	const u8 *addr;
1670 	u64 cookie = 0;
1671 
1672 	addr = nla_data(tb[NL80211_ATTR_MAC]);
1673 	if (!addr)
1674 		return;
1675 	if (tb[NL80211_ATTR_COOKIE])
1676 		cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1677 	wpa_printf(MSG_DEBUG, "nl80211: Probe client event (addr=" MACSTR
1678 		   " ack=%d cookie=%llu)", MAC2STR(addr),
1679 		   tb[NL80211_ATTR_ACK] != NULL,
1680 		   (long long unsigned int) cookie);
1681 	if (!tb[NL80211_ATTR_ACK])
1682 		return;
1683 
1684 	os_memset(&data, 0, sizeof(data));
1685 	os_memcpy(data.client_poll.addr, addr, ETH_ALEN);
1686 	wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1687 }
1688 
1689 
1690 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1691 				    struct nlattr **tb)
1692 {
1693 	union wpa_event_data data;
1694 
1695 	wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1696 
1697 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1698 		return;
1699 
1700 	os_memset(&data, 0, sizeof(data));
1701 	os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1702 	switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1703 	case NL80211_TDLS_SETUP:
1704 		wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1705 			   MACSTR, MAC2STR(data.tdls.peer));
1706 		data.tdls.oper = TDLS_REQUEST_SETUP;
1707 		break;
1708 	case NL80211_TDLS_TEARDOWN:
1709 		wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1710 			   MACSTR, MAC2STR(data.tdls.peer));
1711 		data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1712 		break;
1713 	case NL80211_TDLS_DISCOVERY_REQ:
1714 		wpa_printf(MSG_DEBUG,
1715 			   "nl80211: TDLS discovery request for peer " MACSTR,
1716 			   MAC2STR(data.tdls.peer));
1717 		data.tdls.oper = TDLS_REQUEST_DISCOVER;
1718 		break;
1719 	default:
1720 		wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1721 			   "event");
1722 		return;
1723 	}
1724 	if (tb[NL80211_ATTR_REASON_CODE]) {
1725 		data.tdls.reason_code =
1726 			nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1727 	}
1728 
1729 	wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1730 }
1731 
1732 
1733 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1734 			    struct nlattr **tb)
1735 {
1736 	wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1737 }
1738 
1739 
1740 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1741 					 struct nlattr **tb)
1742 {
1743 	union wpa_event_data data;
1744 	u32 reason;
1745 
1746 	wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1747 
1748 	if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1749 		return;
1750 
1751 	os_memset(&data, 0, sizeof(data));
1752 	os_memcpy(data.connect_failed_reason.addr,
1753 		  nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1754 
1755 	reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1756 	switch (reason) {
1757 	case NL80211_CONN_FAIL_MAX_CLIENTS:
1758 		wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1759 		data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1760 		break;
1761 	case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1762 		wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1763 			   " tried to connect",
1764 			   MAC2STR(data.connect_failed_reason.addr));
1765 		data.connect_failed_reason.code = BLOCKED_CLIENT;
1766 		break;
1767 	default:
1768 		wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1769 			   "%u", reason);
1770 		return;
1771 	}
1772 
1773 	wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1774 }
1775 
1776 
1777 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1778 				struct nlattr **tb)
1779 {
1780 	union wpa_event_data data;
1781 	enum nl80211_radar_event event_type;
1782 
1783 	if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1784 		return;
1785 
1786 	os_memset(&data, 0, sizeof(data));
1787 	data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1788 	event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1789 
1790 	/* Check HT params */
1791 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1792 		data.dfs_event.ht_enabled = 1;
1793 		data.dfs_event.chan_offset = 0;
1794 
1795 		switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1796 		case NL80211_CHAN_NO_HT:
1797 			data.dfs_event.ht_enabled = 0;
1798 			break;
1799 		case NL80211_CHAN_HT20:
1800 			break;
1801 		case NL80211_CHAN_HT40PLUS:
1802 			data.dfs_event.chan_offset = 1;
1803 			break;
1804 		case NL80211_CHAN_HT40MINUS:
1805 			data.dfs_event.chan_offset = -1;
1806 			break;
1807 		}
1808 	}
1809 
1810 	/* Get VHT params */
1811 	if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1812 		data.dfs_event.chan_width =
1813 			convert2width(nla_get_u32(
1814 					      tb[NL80211_ATTR_CHANNEL_WIDTH]));
1815 	if (tb[NL80211_ATTR_CENTER_FREQ1])
1816 		data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1817 	if (tb[NL80211_ATTR_CENTER_FREQ2])
1818 		data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1819 
1820 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1821 		   data.dfs_event.freq, data.dfs_event.ht_enabled,
1822 		   data.dfs_event.chan_offset, data.dfs_event.chan_width,
1823 		   data.dfs_event.cf1, data.dfs_event.cf2);
1824 
1825 	switch (event_type) {
1826 	case NL80211_RADAR_DETECTED:
1827 		wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1828 		break;
1829 	case NL80211_RADAR_CAC_FINISHED:
1830 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1831 		break;
1832 	case NL80211_RADAR_CAC_ABORTED:
1833 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1834 		break;
1835 	case NL80211_RADAR_NOP_FINISHED:
1836 		wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1837 		break;
1838 	case NL80211_RADAR_PRE_CAC_EXPIRED:
1839 		wpa_supplicant_event(drv->ctx, EVENT_DFS_PRE_CAC_EXPIRED,
1840 				     &data);
1841 		break;
1842 	case NL80211_RADAR_CAC_STARTED:
1843 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1844 		break;
1845 	default:
1846 		wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1847 			   "received", event_type);
1848 		break;
1849 	}
1850 }
1851 
1852 
1853 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1854 				   int wds)
1855 {
1856 	struct wpa_driver_nl80211_data *drv = bss->drv;
1857 	union wpa_event_data event;
1858 
1859 	if (!tb[NL80211_ATTR_MAC])
1860 		return;
1861 
1862 	os_memset(&event, 0, sizeof(event));
1863 	event.rx_from_unknown.bssid = bss->addr;
1864 	event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1865 	event.rx_from_unknown.wds = wds;
1866 
1867 	wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1868 }
1869 
1870 
1871 #ifdef CONFIG_DRIVER_NL80211_QCA
1872 
1873 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1874 				   const u8 *data, size_t len)
1875 {
1876 	u32 i, count;
1877 	union wpa_event_data event;
1878 	struct wpa_freq_range *range = NULL;
1879 	const struct qca_avoid_freq_list *freq_range;
1880 
1881 	freq_range = (const struct qca_avoid_freq_list *) data;
1882 	if (len < sizeof(freq_range->count))
1883 		return;
1884 
1885 	count = freq_range->count;
1886 	if (len < sizeof(freq_range->count) +
1887 	    count * sizeof(struct qca_avoid_freq_range)) {
1888 		wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1889 			   (unsigned int) len);
1890 		return;
1891 	}
1892 
1893 	if (count > 0) {
1894 		range = os_calloc(count, sizeof(struct wpa_freq_range));
1895 		if (range == NULL)
1896 			return;
1897 	}
1898 
1899 	os_memset(&event, 0, sizeof(event));
1900 	for (i = 0; i < count; i++) {
1901 		unsigned int idx = event.freq_range.num;
1902 		range[idx].min = freq_range->range[i].start_freq;
1903 		range[idx].max = freq_range->range[i].end_freq;
1904 		wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1905 			   range[idx].min, range[idx].max);
1906 		if (range[idx].min > range[idx].max) {
1907 			wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1908 			continue;
1909 		}
1910 		event.freq_range.num++;
1911 	}
1912 	event.freq_range.range = range;
1913 
1914 	wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1915 
1916 	os_free(range);
1917 }
1918 
1919 
1920 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1921 {
1922 	switch (hw_mode) {
1923 	case QCA_ACS_MODE_IEEE80211B:
1924 		return HOSTAPD_MODE_IEEE80211B;
1925 	case QCA_ACS_MODE_IEEE80211G:
1926 		return HOSTAPD_MODE_IEEE80211G;
1927 	case QCA_ACS_MODE_IEEE80211A:
1928 		return HOSTAPD_MODE_IEEE80211A;
1929 	case QCA_ACS_MODE_IEEE80211AD:
1930 		return HOSTAPD_MODE_IEEE80211AD;
1931 	case QCA_ACS_MODE_IEEE80211ANY:
1932 		return HOSTAPD_MODE_IEEE80211ANY;
1933 	default:
1934 		return NUM_HOSTAPD_MODES;
1935 	}
1936 }
1937 
1938 
1939 static unsigned int chan_to_freq(struct wpa_driver_nl80211_data *drv,
1940 				 u8 chan, enum hostapd_hw_mode hw_mode)
1941 {
1942 	if (hw_mode == NUM_HOSTAPD_MODES) {
1943 		/* For drivers that do not report ACS_HW_MODE */
1944 		u16 num_modes, flags;
1945 		struct hostapd_hw_modes *modes;
1946 		u8 dfs_domain;
1947 		int i;
1948 
1949 		modes = nl80211_get_hw_feature_data(drv->first_bss, &num_modes,
1950 						    &flags, &dfs_domain);
1951 		if (!modes) {
1952 			wpa_printf(MSG_DEBUG,
1953 				   "nl80211: Fetching hardware mode failed");
1954 			goto try_2_4_or_5;
1955 		}
1956 		if (num_modes == 1)
1957 			hw_mode = modes[0].mode;
1958 
1959 		for (i = 0; i < num_modes; i++) {
1960 			os_free(modes[i].channels);
1961 			os_free(modes[i].rates);
1962 		}
1963 
1964 		os_free(modes);
1965 	}
1966 
1967 	if (hw_mode == HOSTAPD_MODE_IEEE80211AD) {
1968 		if (chan >= 1 && chan <= 6)
1969 			return 56160 + (2160 * chan);
1970 		return 0;
1971 	}
1972 
1973 try_2_4_or_5:
1974 	if (chan >= 1 && chan <= 13)
1975 		return 2407 + 5 * chan;
1976 	if (chan == 14)
1977 		return 2484;
1978 	if (chan >= 36 && chan <= 177)
1979 		return 5000 + 5 * chan;
1980 
1981 	return 0;
1982 }
1983 
1984 
1985 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1986 				   const u8 *data, size_t len)
1987 {
1988 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1989 	union wpa_event_data event;
1990 	u8 chan;
1991 
1992 	wpa_printf(MSG_DEBUG,
1993 		   "nl80211: ACS channel selection vendor event received");
1994 
1995 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1996 		      (struct nlattr *) data, len, NULL) ||
1997 	    (!tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_FREQUENCY] &&
1998 	     !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]) ||
1999 	    (!tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_FREQUENCY] &&
2000 	     !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]))
2001 		return;
2002 
2003 	os_memset(&event, 0, sizeof(event));
2004 	event.acs_selected_channels.hw_mode = NUM_HOSTAPD_MODES;
2005 
2006 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
2007 		u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
2008 
2009 		event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
2010 		if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
2011 		    event.acs_selected_channels.hw_mode ==
2012 		    HOSTAPD_MODE_IEEE80211ANY) {
2013 			wpa_printf(MSG_DEBUG,
2014 				   "nl80211: Invalid hw_mode %d in ACS selection event",
2015 				   hw_mode);
2016 			return;
2017 		}
2018 	}
2019 
2020 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_FREQUENCY]) {
2021 		event.acs_selected_channels.pri_freq = nla_get_u32(
2022 			tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_FREQUENCY]);
2023 	} else {
2024 		chan = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
2025 		event.acs_selected_channels.pri_freq =
2026 			chan_to_freq(drv, chan,
2027 				     event.acs_selected_channels.hw_mode);
2028 	}
2029 
2030 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_FREQUENCY]) {
2031 		event.acs_selected_channels.sec_freq = nla_get_u32(
2032 			tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_FREQUENCY]);
2033 	} else {
2034 		chan = nla_get_u8(
2035 			tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
2036 		event.acs_selected_channels.sec_freq =
2037 			chan_to_freq(drv, chan,
2038 				     event.acs_selected_channels.hw_mode);
2039 	}
2040 
2041 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_EDMG_CHANNEL])
2042 		event.acs_selected_channels.edmg_channel =
2043 			nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_EDMG_CHANNEL]);
2044 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
2045 		event.acs_selected_channels.vht_seg0_center_ch =
2046 			nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
2047 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL])
2048 		event.acs_selected_channels.vht_seg1_center_ch =
2049 			nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
2050 	if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
2051 		event.acs_selected_channels.ch_width =
2052 			nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
2053 	wpa_printf(MSG_INFO,
2054 		   "nl80211: ACS Results: PFreq: %d SFreq: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d EDMGCH: %d",
2055 		   event.acs_selected_channels.pri_freq,
2056 		   event.acs_selected_channels.sec_freq,
2057 		   event.acs_selected_channels.ch_width,
2058 		   event.acs_selected_channels.vht_seg0_center_ch,
2059 		   event.acs_selected_channels.vht_seg1_center_ch,
2060 		   event.acs_selected_channels.hw_mode,
2061 		   event.acs_selected_channels.edmg_channel);
2062 
2063 	/* Ignore ACS channel list check for backwards compatibility */
2064 
2065 	wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
2066 }
2067 
2068 
2069 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
2070 				      const u8 *data, size_t len)
2071 {
2072 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
2073 	u8 *bssid;
2074 
2075 	wpa_printf(MSG_DEBUG,
2076 		   "nl80211: Key management roam+auth vendor event received");
2077 
2078 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
2079 		      (struct nlattr *) data, len, NULL) ||
2080 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
2081 	    nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
2082 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
2083 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
2084 	    !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
2085 		return;
2086 
2087 	bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
2088 	wpa_printf(MSG_DEBUG, "  * roam BSSID " MACSTR, MAC2STR(bssid));
2089 
2090 	mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
2091 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
2092 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
2093 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
2094 			   NULL, NULL,
2095 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
2096 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
2097 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
2098 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK],
2099 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS],
2100 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_FILS_ERP_NEXT_SEQ_NUM],
2101 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMK],
2102 			   tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMKID]);
2103 }
2104 
2105 
2106 static void
2107 qca_nl80211_key_mgmt_auth_handler(struct wpa_driver_nl80211_data *drv,
2108 				  const u8 *data, size_t len)
2109 {
2110 	if (!drv->roam_indication_done) {
2111 		wpa_printf(MSG_DEBUG,
2112 			   "nl80211: Pending roam indication, delay processing roam+auth vendor event");
2113 		os_get_reltime(&drv->pending_roam_ind_time);
2114 
2115 		os_free(drv->pending_roam_data);
2116 		drv->pending_roam_data = os_memdup(data, len);
2117 		if (!drv->pending_roam_data)
2118 			return;
2119 		drv->pending_roam_data_len = len;
2120 		return;
2121 	}
2122 	drv->roam_indication_done = false;
2123 	qca_nl80211_key_mgmt_auth(drv, data, len);
2124 }
2125 
2126 
2127 static void qca_nl80211_dfs_offload_radar_event(
2128 	struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
2129 {
2130 	union wpa_event_data data;
2131 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
2132 
2133 	wpa_printf(MSG_DEBUG,
2134 		   "nl80211: DFS offload radar vendor event received");
2135 
2136 	if (nla_parse(tb, NL80211_ATTR_MAX,
2137 		      (struct nlattr *) msg, length, NULL))
2138 		return;
2139 
2140 	if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
2141 		wpa_printf(MSG_INFO,
2142 			   "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
2143 		return;
2144 	}
2145 
2146 	os_memset(&data, 0, sizeof(data));
2147 	data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
2148 
2149 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
2150 		   data.dfs_event.freq);
2151 
2152 	/* Check HT params */
2153 	if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
2154 		data.dfs_event.ht_enabled = 1;
2155 		data.dfs_event.chan_offset = 0;
2156 
2157 		switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
2158 		case NL80211_CHAN_NO_HT:
2159 			data.dfs_event.ht_enabled = 0;
2160 			break;
2161 		case NL80211_CHAN_HT20:
2162 			break;
2163 		case NL80211_CHAN_HT40PLUS:
2164 			data.dfs_event.chan_offset = 1;
2165 			break;
2166 		case NL80211_CHAN_HT40MINUS:
2167 			data.dfs_event.chan_offset = -1;
2168 			break;
2169 		}
2170 	}
2171 
2172 	/* Get VHT params */
2173 	if (tb[NL80211_ATTR_CHANNEL_WIDTH])
2174 		data.dfs_event.chan_width =
2175 			convert2width(nla_get_u32(
2176 					      tb[NL80211_ATTR_CHANNEL_WIDTH]));
2177 	if (tb[NL80211_ATTR_CENTER_FREQ1])
2178 		data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
2179 	if (tb[NL80211_ATTR_CENTER_FREQ2])
2180 		data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
2181 
2182 	wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
2183 		    "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
2184 		    data.dfs_event.freq, data.dfs_event.ht_enabled,
2185 		    data.dfs_event.chan_offset, data.dfs_event.chan_width,
2186 		    data.dfs_event.cf1, data.dfs_event.cf2);
2187 
2188 	switch (subcmd) {
2189 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
2190 		wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
2191 		break;
2192 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
2193 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
2194 		break;
2195 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
2196 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
2197 		break;
2198 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
2199 		wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
2200 		break;
2201 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
2202 		wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
2203 		break;
2204 	default:
2205 		wpa_printf(MSG_DEBUG,
2206 			   "nl80211: Unknown DFS offload radar event %d received",
2207 			   subcmd);
2208 		break;
2209 	}
2210 }
2211 
2212 
2213 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
2214 					   u8 *data, size_t len)
2215 {
2216 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
2217 	u64 cookie = 0;
2218 	union wpa_event_data event;
2219 	struct scan_info *info;
2220 
2221 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
2222 		      (struct nlattr *) data, len, NULL) ||
2223 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
2224 		return;
2225 
2226 	cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
2227 	if (cookie != drv->vendor_scan_cookie) {
2228 		/* External scan trigger event, ignore */
2229 		return;
2230 	}
2231 
2232 	/* Cookie match, own scan */
2233 	os_memset(&event, 0, sizeof(event));
2234 	info = &event.scan_info;
2235 	info->external_scan = 0;
2236 	info->nl_scan_event = 0;
2237 
2238 	drv->scan_state = SCAN_STARTED;
2239 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
2240 }
2241 
2242 
2243 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
2244 				   int aborted, struct nlattr *tb[],
2245 				   int external_scan)
2246 {
2247 	union wpa_event_data event;
2248 	struct nlattr *nl;
2249 	int rem;
2250 	struct scan_info *info;
2251 	int freqs[MAX_REPORT_FREQS];
2252 	int num_freqs = 0;
2253 
2254 	os_memset(&event, 0, sizeof(event));
2255 	info = &event.scan_info;
2256 	info->aborted = aborted;
2257 	info->external_scan = external_scan;
2258 
2259 	if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
2260 		nla_for_each_nested(nl,
2261 				    tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
2262 			struct wpa_driver_scan_ssid *s =
2263 				&info->ssids[info->num_ssids];
2264 			s->ssid = nla_data(nl);
2265 			s->ssid_len = nla_len(nl);
2266 			wpa_printf(MSG_DEBUG,
2267 				   "nl80211: Scan probed for SSID '%s'",
2268 				   wpa_ssid_txt(s->ssid, s->ssid_len));
2269 			info->num_ssids++;
2270 			if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
2271 				break;
2272 		}
2273 	}
2274 
2275 	if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
2276 		char msg[500], *pos, *end;
2277 		int res;
2278 
2279 		pos = msg;
2280 		end = pos + sizeof(msg);
2281 		*pos = '\0';
2282 
2283 		nla_for_each_nested(nl,
2284 				    tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
2285 				    rem) {
2286 			freqs[num_freqs] = nla_get_u32(nl);
2287 			res = os_snprintf(pos, end - pos, " %d",
2288 					  freqs[num_freqs]);
2289 			if (!os_snprintf_error(end - pos, res))
2290 				pos += res;
2291 			num_freqs++;
2292 			if (num_freqs == MAX_REPORT_FREQS - 1)
2293 				break;
2294 		}
2295 
2296 		info->freqs = freqs;
2297 		info->num_freqs = num_freqs;
2298 		wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
2299 			   msg);
2300 	}
2301 	wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
2302 }
2303 
2304 
2305 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
2306 					u8 *data, size_t len)
2307 {
2308 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
2309 	u64 cookie = 0;
2310 	enum scan_status status;
2311 	int external_scan;
2312 
2313 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
2314 		      (struct nlattr *) data, len, NULL) ||
2315 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
2316 	    !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
2317 		return;
2318 
2319 	status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
2320 	if (status >= VENDOR_SCAN_STATUS_MAX)
2321 		return; /* invalid status */
2322 
2323 	cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
2324 	if (cookie != drv->vendor_scan_cookie) {
2325 		/* Event from an external scan, get scan results */
2326 		external_scan = 1;
2327 	} else {
2328 		external_scan = 0;
2329 		if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
2330 			drv->scan_state = SCAN_COMPLETED;
2331 		else
2332 			drv->scan_state = SCAN_ABORTED;
2333 
2334 		eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2335 				     drv->ctx);
2336 		drv->vendor_scan_cookie = 0;
2337 		drv->last_scan_cmd = 0;
2338 	}
2339 
2340 	send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
2341 			       external_scan);
2342 }
2343 
2344 
2345 static void qca_nl80211_p2p_lo_stop_event(struct wpa_driver_nl80211_data *drv,
2346 					  u8 *data, size_t len)
2347 {
2348 	struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX + 1];
2349 	union wpa_event_data event;
2350 
2351 	wpa_printf(MSG_DEBUG,
2352 		   "nl80211: P2P listen offload stop vendor event received");
2353 
2354 	if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX,
2355 		      (struct nlattr *) data, len, NULL) ||
2356 	    !tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON])
2357 		return;
2358 
2359 	os_memset(&event, 0, sizeof(event));
2360 	event.p2p_lo_stop.reason_code =
2361 		nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]);
2362 
2363 	wpa_printf(MSG_DEBUG,
2364 		   "nl80211: P2P Listen offload stop reason: %d",
2365 		   event.p2p_lo_stop.reason_code);
2366 	wpa_supplicant_event(drv->ctx, EVENT_P2P_LO_STOP, &event);
2367 }
2368 
2369 #endif /* CONFIG_DRIVER_NL80211_QCA */
2370 
2371 
2372 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2373 				     u32 subcmd, u8 *data, size_t len)
2374 {
2375 	switch (subcmd) {
2376 	case QCA_NL80211_VENDOR_SUBCMD_TEST:
2377 		wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
2378 		break;
2379 #ifdef CONFIG_DRIVER_NL80211_QCA
2380 	case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2381 		qca_nl80211_avoid_freq(drv, data, len);
2382 		break;
2383 	case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
2384 		qca_nl80211_key_mgmt_auth_handler(drv, data, len);
2385 		break;
2386 	case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
2387 		qca_nl80211_acs_select_ch(drv, data, len);
2388 		break;
2389 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
2390 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
2391 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
2392 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
2393 	case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
2394 		qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
2395 		break;
2396 	case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
2397 		qca_nl80211_scan_trigger_event(drv, data, len);
2398 		break;
2399 	case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
2400 		qca_nl80211_scan_done_event(drv, data, len);
2401 		break;
2402 	case QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP:
2403 		qca_nl80211_p2p_lo_stop_event(drv, data, len);
2404 		break;
2405 #endif /* CONFIG_DRIVER_NL80211_QCA */
2406 	default:
2407 		wpa_printf(MSG_DEBUG,
2408 			   "nl80211: Ignore unsupported QCA vendor event %u",
2409 			   subcmd);
2410 		break;
2411 	}
2412 }
2413 
2414 
2415 #ifdef CONFIG_DRIVER_NL80211_BRCM
2416 
2417 static void brcm_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
2418 				       const u8 *data, size_t len)
2419 {
2420 	struct nlattr *tb[BRCM_VENDOR_ATTR_ACS_LAST + 1];
2421 	union wpa_event_data event;
2422 
2423 	wpa_printf(MSG_DEBUG,
2424 		   "nl80211: BRCM ACS channel selection vendor event received");
2425 
2426 	if (nla_parse(tb, BRCM_VENDOR_ATTR_ACS_LAST, (struct nlattr *) data,
2427 		      len, NULL) ||
2428 	    !tb[BRCM_VENDOR_ATTR_ACS_PRIMARY_FREQ] ||
2429 	    !tb[BRCM_VENDOR_ATTR_ACS_SECONDARY_FREQ])
2430 		return;
2431 
2432 	os_memset(&event, 0, sizeof(event));
2433 	if (tb[BRCM_VENDOR_ATTR_ACS_PRIMARY_FREQ])
2434 		event.acs_selected_channels.pri_freq =
2435 			nla_get_u32(tb[BRCM_VENDOR_ATTR_ACS_PRIMARY_FREQ]);
2436 	if (tb[BRCM_VENDOR_ATTR_ACS_SECONDARY_FREQ])
2437 		event.acs_selected_channels.sec_freq =
2438 			nla_get_u32(tb[BRCM_VENDOR_ATTR_ACS_SECONDARY_FREQ]);
2439 	if (tb[BRCM_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
2440 		event.acs_selected_channels.vht_seg0_center_ch =
2441 			nla_get_u8(tb[BRCM_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
2442 	if (tb[BRCM_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
2443 		event.acs_selected_channels.vht_seg1_center_ch =
2444 			nla_get_u8(tb[BRCM_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
2445 	if (tb[BRCM_VENDOR_ATTR_ACS_CHWIDTH])
2446 		event.acs_selected_channels.ch_width =
2447 			nla_get_u16(tb[BRCM_VENDOR_ATTR_ACS_CHWIDTH]);
2448 	if (tb[BRCM_VENDOR_ATTR_ACS_HW_MODE]) {
2449 		event.acs_selected_channels.hw_mode = nla_get_u8(tb[BRCM_VENDOR_ATTR_ACS_HW_MODE]);
2450 		if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
2451 		    event.acs_selected_channels.hw_mode ==
2452 		    HOSTAPD_MODE_IEEE80211ANY) {
2453 			wpa_printf(MSG_DEBUG,
2454 				   "nl80211: Invalid hw_mode %d in ACS selection event",
2455 				   event.acs_selected_channels.hw_mode);
2456 			return;
2457 		}
2458 	}
2459 
2460 	wpa_printf(MSG_DEBUG,
2461 		   "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
2462 		   event.acs_selected_channels.pri_freq,
2463 		   event.acs_selected_channels.sec_freq,
2464 		   event.acs_selected_channels.ch_width,
2465 		   event.acs_selected_channels.vht_seg0_center_ch,
2466 		   event.acs_selected_channels.vht_seg1_center_ch,
2467 		   event.acs_selected_channels.hw_mode);
2468 	wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
2469 }
2470 
2471 
2472 static void nl80211_vendor_event_brcm(struct wpa_driver_nl80211_data *drv,
2473 				      u32 subcmd, u8 *data, size_t len)
2474 {
2475 	wpa_printf(MSG_DEBUG, "nl80211: Got BRCM vendor event %u", subcmd);
2476 	switch (subcmd) {
2477 	case BRCM_VENDOR_EVENT_PRIV_STR:
2478 	case BRCM_VENDOR_EVENT_HANGED:
2479 		/* Dump the event on to the console */
2480 		wpa_msg(NULL, MSG_INFO, "%s", data);
2481 		break;
2482 	case BRCM_VENDOR_EVENT_ACS:
2483 		brcm_nl80211_acs_select_ch(drv, data, len);
2484 		break;
2485 	default:
2486 		wpa_printf(MSG_DEBUG,
2487 			   "%s: Ignore unsupported BRCM vendor event %u",
2488 			   __func__, subcmd);
2489 		break;
2490 	}
2491 }
2492 
2493 #endif /* CONFIG_DRIVER_NL80211_BRCM */
2494 
2495 
2496 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2497 				 struct nlattr **tb)
2498 {
2499 	u32 vendor_id, subcmd, wiphy = 0;
2500 	int wiphy_idx;
2501 	u8 *data = NULL;
2502 	size_t len = 0;
2503 
2504 	if (!tb[NL80211_ATTR_VENDOR_ID] ||
2505 	    !tb[NL80211_ATTR_VENDOR_SUBCMD])
2506 		return;
2507 
2508 	vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2509 	subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2510 
2511 	if (tb[NL80211_ATTR_WIPHY])
2512 		wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2513 
2514 	wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2515 		   wiphy, vendor_id, subcmd);
2516 
2517 	if (tb[NL80211_ATTR_VENDOR_DATA]) {
2518 		data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2519 		len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2520 		wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2521 	}
2522 
2523 	wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
2524 	if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
2525 		wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
2526 			   wiphy, wiphy_idx);
2527 		return;
2528 	}
2529 
2530 #ifdef ANDROID
2531 #ifdef ANDROID_LIB_EVENT
2532        wpa_driver_nl80211_driver_event(drv, vendor_id, subcmd, data, len);
2533 #endif /* ANDROID_LIB_EVENT */
2534 #endif /* ANDROID */
2535 
2536 	switch (vendor_id) {
2537 	case OUI_QCA:
2538 		nl80211_vendor_event_qca(drv, subcmd, data, len);
2539 		break;
2540 #ifdef CONFIG_DRIVER_NL80211_BRCM
2541 	case OUI_BRCM:
2542 		nl80211_vendor_event_brcm(drv, subcmd, data, len);
2543 		break;
2544 #endif /* CONFIG_DRIVER_NL80211_BRCM */
2545 	default:
2546 		wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
2547 		break;
2548 	}
2549 }
2550 
2551 
2552 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
2553 				     struct nlattr *tb[])
2554 {
2555 	union wpa_event_data data;
2556 	enum nl80211_reg_initiator init;
2557 
2558 	wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2559 
2560 	if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2561 		return;
2562 
2563 	os_memset(&data, 0, sizeof(data));
2564 	init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
2565 	wpa_printf(MSG_DEBUG, " * initiator=%d", init);
2566 	switch (init) {
2567 	case NL80211_REGDOM_SET_BY_CORE:
2568 		data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
2569 		break;
2570 	case NL80211_REGDOM_SET_BY_USER:
2571 		data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
2572 		break;
2573 	case NL80211_REGDOM_SET_BY_DRIVER:
2574 		data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
2575 		break;
2576 	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
2577 		data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
2578 		break;
2579 	}
2580 
2581 	if (tb[NL80211_ATTR_REG_TYPE]) {
2582 		enum nl80211_reg_type type;
2583 		type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
2584 		wpa_printf(MSG_DEBUG, " * type=%d", type);
2585 		switch (type) {
2586 		case NL80211_REGDOM_TYPE_COUNTRY:
2587 			data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
2588 			break;
2589 		case NL80211_REGDOM_TYPE_WORLD:
2590 			data.channel_list_changed.type = REGDOM_TYPE_WORLD;
2591 			break;
2592 		case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
2593 			data.channel_list_changed.type =
2594 				REGDOM_TYPE_CUSTOM_WORLD;
2595 			break;
2596 		case NL80211_REGDOM_TYPE_INTERSECTION:
2597 			data.channel_list_changed.type =
2598 				REGDOM_TYPE_INTERSECTION;
2599 			break;
2600 		}
2601 	}
2602 
2603 	if (tb[NL80211_ATTR_REG_ALPHA2]) {
2604 		os_strlcpy(data.channel_list_changed.alpha2,
2605 			   nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
2606 			   sizeof(data.channel_list_changed.alpha2));
2607 		wpa_printf(MSG_DEBUG, " * alpha2=%s",
2608 			   data.channel_list_changed.alpha2);
2609 	}
2610 
2611 	wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2612 }
2613 
2614 
2615 static void nl80211_dump_freq(const char *title, struct nlattr *nl_freq)
2616 {
2617 	static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2618 		[NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
2619 		[NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
2620 		[NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
2621 		[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
2622 		[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
2623 	};
2624 	struct nlattr *tb[NL80211_FREQUENCY_ATTR_MAX + 1];
2625 	u32 freq = 0, max_tx_power = 0;
2626 
2627 	nla_parse(tb, NL80211_FREQUENCY_ATTR_MAX,
2628 		  nla_data(nl_freq), nla_len(nl_freq), freq_policy);
2629 
2630 	if (tb[NL80211_FREQUENCY_ATTR_FREQ])
2631 		freq = nla_get_u32(tb[NL80211_FREQUENCY_ATTR_FREQ]);
2632 	if (tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])
2633 		max_tx_power =
2634 			nla_get_u32(tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]);
2635 
2636 	wpa_printf(MSG_DEBUG,
2637 		   "nl80211: Channel (%s): freq=%u max_tx_power=%u%s%s%s",
2638 		   title, freq, max_tx_power,
2639 		   tb[NL80211_FREQUENCY_ATTR_DISABLED] ? " disabled" : "",
2640 		   tb[NL80211_FREQUENCY_ATTR_NO_IR] ? " no-IR" : "",
2641 		   tb[NL80211_FREQUENCY_ATTR_RADAR] ? " radar" : "");
2642 }
2643 
2644 
2645 static void nl80211_reg_beacon_hint_event(struct wpa_driver_nl80211_data *drv,
2646 					   struct nlattr *tb[])
2647 {
2648 	union wpa_event_data data;
2649 
2650 	wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2651 	os_memset(&data, 0, sizeof(data));
2652 	data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2653 
2654 	if (tb[NL80211_ATTR_FREQ_BEFORE])
2655 		nl80211_dump_freq("before", tb[NL80211_ATTR_FREQ_BEFORE]);
2656 	if (tb[NL80211_ATTR_FREQ_AFTER])
2657 		nl80211_dump_freq("after", tb[NL80211_ATTR_FREQ_AFTER]);
2658 
2659 	wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2660 }
2661 
2662 
2663 static void nl80211_external_auth(struct wpa_driver_nl80211_data *drv,
2664 				  struct nlattr **tb)
2665 {
2666 	union wpa_event_data event;
2667 	enum nl80211_external_auth_action act;
2668 
2669 	if (!tb[NL80211_ATTR_AKM_SUITES] ||
2670 	    !tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION] ||
2671 	    !tb[NL80211_ATTR_BSSID] ||
2672 	    !tb[NL80211_ATTR_SSID])
2673 		return;
2674 
2675 	os_memset(&event, 0, sizeof(event));
2676 	act = nla_get_u32(tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION]);
2677 	switch (act) {
2678 	case NL80211_EXTERNAL_AUTH_START:
2679 		event.external_auth.action = EXT_AUTH_START;
2680 		break;
2681 	case NL80211_EXTERNAL_AUTH_ABORT:
2682 		event.external_auth.action = EXT_AUTH_ABORT;
2683 		break;
2684 	default:
2685 		return;
2686 	}
2687 
2688 	event.external_auth.key_mgmt_suite =
2689 		nla_get_u32(tb[NL80211_ATTR_AKM_SUITES]);
2690 
2691 	event.external_auth.ssid_len = nla_len(tb[NL80211_ATTR_SSID]);
2692 	if (event.external_auth.ssid_len > SSID_MAX_LEN)
2693 		return;
2694 	event.external_auth.ssid = nla_data(tb[NL80211_ATTR_SSID]);
2695 
2696 	event.external_auth.bssid = nla_data(tb[NL80211_ATTR_BSSID]);
2697 
2698 	wpa_printf(MSG_DEBUG,
2699 		   "nl80211: External auth action: %u, AKM: 0x%x",
2700 		   event.external_auth.action,
2701 		   event.external_auth.key_mgmt_suite);
2702 	wpa_supplicant_event(drv->ctx, EVENT_EXTERNAL_AUTH, &event);
2703 }
2704 
2705 
2706 static void nl80211_port_authorized(struct wpa_driver_nl80211_data *drv,
2707 				    struct nlattr **tb)
2708 {
2709 	const u8 *addr;
2710 
2711 	if (!tb[NL80211_ATTR_MAC] ||
2712 	    nla_len(tb[NL80211_ATTR_MAC]) != ETH_ALEN) {
2713 		wpa_printf(MSG_DEBUG,
2714 			   "nl80211: Ignore port authorized event without BSSID");
2715 		return;
2716 	}
2717 
2718 	addr = nla_data(tb[NL80211_ATTR_MAC]);
2719 	if (os_memcmp(addr, drv->bssid, ETH_ALEN) != 0) {
2720 		wpa_printf(MSG_DEBUG,
2721 			   "nl80211: Ignore port authorized event for " MACSTR
2722 			   " (not the currently connected BSSID " MACSTR ")",
2723 			   MAC2STR(addr), MAC2STR(drv->bssid));
2724 		return;
2725 	}
2726 
2727 	wpa_supplicant_event(drv->ctx, EVENT_PORT_AUTHORIZED, NULL);
2728 }
2729 
2730 
2731 static void nl80211_sta_opmode_change_event(struct wpa_driver_nl80211_data *drv,
2732 					    struct nlattr **tb)
2733 {
2734 	union wpa_event_data ed;
2735 	u8 smps_mode, max_bw;
2736 
2737 	if (!tb[NL80211_ATTR_MAC] ||
2738 	    (!tb[NL80211_ATTR_CHANNEL_WIDTH] &&
2739 	     !tb[NL80211_ATTR_SMPS_MODE] &&
2740 	     !tb[NL80211_ATTR_NSS]))
2741 		return;
2742 
2743 	ed.sta_opmode.smps_mode = SMPS_INVALID;
2744 	ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2745 	ed.sta_opmode.rx_nss = 0xff;
2746 	ed.sta_opmode.addr = nla_data(tb[NL80211_ATTR_MAC]);
2747 
2748 	if (tb[NL80211_ATTR_SMPS_MODE]) {
2749 		smps_mode = nla_get_u8(tb[NL80211_ATTR_SMPS_MODE]);
2750 		switch (smps_mode) {
2751 		case NL80211_SMPS_OFF:
2752 			ed.sta_opmode.smps_mode = SMPS_OFF;
2753 			break;
2754 		case NL80211_SMPS_STATIC:
2755 			ed.sta_opmode.smps_mode = SMPS_STATIC;
2756 			break;
2757 		case NL80211_SMPS_DYNAMIC:
2758 			ed.sta_opmode.smps_mode = SMPS_DYNAMIC;
2759 			break;
2760 		default:
2761 			ed.sta_opmode.smps_mode = SMPS_INVALID;
2762 			break;
2763 		}
2764 	}
2765 
2766 	if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
2767 		max_bw = nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]);
2768 		switch (max_bw) {
2769 		case NL80211_CHAN_WIDTH_20_NOHT:
2770 			ed.sta_opmode.chan_width = CHAN_WIDTH_20_NOHT;
2771 			break;
2772 		case NL80211_CHAN_WIDTH_20:
2773 			ed.sta_opmode.chan_width = CHAN_WIDTH_20;
2774 			break;
2775 		case NL80211_CHAN_WIDTH_40:
2776 			ed.sta_opmode.chan_width = CHAN_WIDTH_40;
2777 			break;
2778 		case NL80211_CHAN_WIDTH_80:
2779 			ed.sta_opmode.chan_width = CHAN_WIDTH_80;
2780 			break;
2781 		case NL80211_CHAN_WIDTH_80P80:
2782 			ed.sta_opmode.chan_width = CHAN_WIDTH_80P80;
2783 			break;
2784 		case NL80211_CHAN_WIDTH_160:
2785 			ed.sta_opmode.chan_width = CHAN_WIDTH_160;
2786 			break;
2787 		default:
2788 			ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2789 			break;
2790 
2791 		}
2792 	}
2793 
2794 	if (tb[NL80211_ATTR_NSS])
2795 		ed.sta_opmode.rx_nss = nla_get_u8(tb[NL80211_ATTR_NSS]);
2796 
2797 	wpa_supplicant_event(drv->ctx, EVENT_STATION_OPMODE_CHANGED, &ed);
2798 }
2799 
2800 
2801 static void nl80211_control_port_frame(struct wpa_driver_nl80211_data *drv,
2802 				       struct nlattr **tb)
2803 {
2804 	u8 *src_addr;
2805 	u16 ethertype;
2806 
2807 	if (!tb[NL80211_ATTR_MAC] ||
2808 	    !tb[NL80211_ATTR_FRAME] ||
2809 	    !tb[NL80211_ATTR_CONTROL_PORT_ETHERTYPE])
2810 		return;
2811 
2812 	src_addr = nla_data(tb[NL80211_ATTR_MAC]);
2813 	ethertype = nla_get_u16(tb[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]);
2814 
2815 	switch (ethertype) {
2816 	case ETH_P_RSN_PREAUTH:
2817 		wpa_printf(MSG_INFO, "nl80211: Got pre-auth frame from "
2818 			   MACSTR " over control port unexpectedly",
2819 			   MAC2STR(src_addr));
2820 		break;
2821 	case ETH_P_PAE:
2822 		drv_event_eapol_rx(drv->ctx, src_addr,
2823 				   nla_data(tb[NL80211_ATTR_FRAME]),
2824 				   nla_len(tb[NL80211_ATTR_FRAME]));
2825 		break;
2826 	default:
2827 		wpa_printf(MSG_INFO, "nl80211: Unxpected ethertype 0x%04x from "
2828 			   MACSTR " over control port",
2829 			   ethertype, MAC2STR(src_addr));
2830 		break;
2831 	}
2832 }
2833 
2834 
2835 static void
2836 nl80211_control_port_frame_tx_status(struct wpa_driver_nl80211_data *drv,
2837 				     const u8 *frame, size_t len,
2838 				     struct nlattr *ack, struct nlattr *cookie)
2839 {
2840 	union wpa_event_data event;
2841 
2842 	if (!cookie || len < ETH_HLEN)
2843 		return;
2844 
2845 	wpa_printf(MSG_DEBUG,
2846 		   "nl80211: Control port TX status (ack=%d), cookie=%llu",
2847 		   ack != NULL, (long long unsigned int) nla_get_u64(cookie));
2848 
2849 	os_memset(&event, 0, sizeof(event));
2850 	event.eapol_tx_status.dst = frame;
2851 	event.eapol_tx_status.data = frame + ETH_HLEN;
2852 	event.eapol_tx_status.data_len = len - ETH_HLEN;
2853 	event.eapol_tx_status.ack = ack != NULL;
2854 	wpa_supplicant_event(drv->ctx, EVENT_EAPOL_TX_STATUS, &event);
2855 }
2856 
2857 
2858 static void do_process_drv_event(struct i802_bss *bss, int cmd,
2859 				 struct nlattr **tb)
2860 {
2861 	struct wpa_driver_nl80211_data *drv = bss->drv;
2862 	int external_scan_event = 0;
2863 	struct nlattr *frame = tb[NL80211_ATTR_FRAME];
2864 
2865 	wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2866 		   cmd, nl80211_command_to_string(cmd), bss->ifname);
2867 
2868 #ifdef CONFIG_DRIVER_NL80211_QCA
2869 	if (cmd == NL80211_CMD_ROAM &&
2870 	    (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2871 		if (drv->pending_roam_data) {
2872 			struct os_reltime now, age;
2873 
2874 			os_get_reltime(&now);
2875 			os_reltime_sub(&now, &drv->pending_roam_ind_time, &age);
2876 			if (age.sec == 0 && age.usec < 100000) {
2877 				wpa_printf(MSG_DEBUG,
2878 					   "nl80211: Process pending roam+auth vendor event");
2879 				qca_nl80211_key_mgmt_auth(
2880 					drv, drv->pending_roam_data,
2881 					drv->pending_roam_data_len);
2882 			}
2883 			os_free(drv->pending_roam_data);
2884 			drv->pending_roam_data = NULL;
2885 			return;
2886 		}
2887 		/*
2888 		 * Device will use roam+auth vendor event to indicate
2889 		 * roaming, so ignore the regular roam event.
2890 		 */
2891 		drv->roam_indication_done = true;
2892 		wpa_printf(MSG_DEBUG,
2893 			   "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
2894 			   cmd);
2895 		return;
2896 	}
2897 #endif /* CONFIG_DRIVER_NL80211_QCA */
2898 
2899 	if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
2900 	    (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2901 	     cmd == NL80211_CMD_SCAN_ABORTED))
2902 		nl80211_restore_ap_mode(bss);
2903 
2904 	switch (cmd) {
2905 	case NL80211_CMD_TRIGGER_SCAN:
2906 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2907 		drv->scan_state = SCAN_STARTED;
2908 		if (drv->scan_for_auth) {
2909 			/*
2910 			 * Cannot indicate EVENT_SCAN_STARTED here since we skip
2911 			 * EVENT_SCAN_RESULTS in scan_for_auth case and the
2912 			 * upper layer implementation could get confused about
2913 			 * scanning state.
2914 			 */
2915 			wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2916 			break;
2917 		}
2918 		wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2919 		break;
2920 	case NL80211_CMD_START_SCHED_SCAN:
2921 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2922 		drv->scan_state = SCHED_SCAN_STARTED;
2923 		break;
2924 	case NL80211_CMD_SCHED_SCAN_STOPPED:
2925 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2926 		drv->scan_state = SCHED_SCAN_STOPPED;
2927 		wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2928 		break;
2929 	case NL80211_CMD_NEW_SCAN_RESULTS:
2930 		wpa_dbg(drv->ctx, MSG_DEBUG,
2931 			"nl80211: New scan results available");
2932 		if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2933 			drv->scan_state = SCAN_COMPLETED;
2934 		drv->scan_complete_events = 1;
2935 		if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2936 			eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2937 					     drv, drv->ctx);
2938 			drv->last_scan_cmd = 0;
2939 		} else {
2940 			external_scan_event = 1;
2941 		}
2942 		send_scan_event(drv, 0, tb, external_scan_event);
2943 		break;
2944 	case NL80211_CMD_SCHED_SCAN_RESULTS:
2945 		wpa_dbg(drv->ctx, MSG_DEBUG,
2946 			"nl80211: New sched scan results available");
2947 		drv->scan_state = SCHED_SCAN_RESULTS;
2948 		send_scan_event(drv, 0, tb, 0);
2949 		break;
2950 	case NL80211_CMD_SCAN_ABORTED:
2951 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2952 		if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2953 			drv->scan_state = SCAN_ABORTED;
2954 		if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2955 			/*
2956 			 * Need to indicate that scan results are available in
2957 			 * order not to make wpa_supplicant stop its scanning.
2958 			 */
2959 			eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2960 					     drv, drv->ctx);
2961 			drv->last_scan_cmd = 0;
2962 		} else {
2963 			external_scan_event = 1;
2964 		}
2965 		send_scan_event(drv, 1, tb, external_scan_event);
2966 		break;
2967 	case NL80211_CMD_AUTHENTICATE:
2968 	case NL80211_CMD_ASSOCIATE:
2969 	case NL80211_CMD_DEAUTHENTICATE:
2970 	case NL80211_CMD_DISASSOCIATE:
2971 	case NL80211_CMD_FRAME_TX_STATUS:
2972 	case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2973 	case NL80211_CMD_UNPROT_DISASSOCIATE:
2974 		mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2975 			   tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2976 			   tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2977 			   tb[NL80211_ATTR_COOKIE],
2978 			   tb[NL80211_ATTR_RX_SIGNAL_DBM],
2979 			   tb[NL80211_ATTR_STA_WME],
2980 			   tb[NL80211_ATTR_REQ_IE]);
2981 		break;
2982 	case NL80211_CMD_CONNECT:
2983 	case NL80211_CMD_ROAM:
2984 		mlme_event_connect(drv, cmd,
2985 				   tb[NL80211_ATTR_STATUS_CODE],
2986 				   tb[NL80211_ATTR_MAC],
2987 				   tb[NL80211_ATTR_REQ_IE],
2988 				   tb[NL80211_ATTR_RESP_IE],
2989 				   tb[NL80211_ATTR_TIMED_OUT],
2990 				   tb[NL80211_ATTR_TIMEOUT_REASON],
2991 				   NULL, NULL, NULL,
2992 				   tb[NL80211_ATTR_FILS_KEK],
2993 				   NULL,
2994 				   tb[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM],
2995 				   tb[NL80211_ATTR_PMK],
2996 				   tb[NL80211_ATTR_PMKID]);
2997 		break;
2998 	case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
2999 		mlme_event_ch_switch(drv,
3000 				     tb[NL80211_ATTR_IFINDEX],
3001 				     tb[NL80211_ATTR_WIPHY_FREQ],
3002 				     tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3003 				     tb[NL80211_ATTR_CHANNEL_WIDTH],
3004 				     tb[NL80211_ATTR_CENTER_FREQ1],
3005 				     tb[NL80211_ATTR_CENTER_FREQ2],
3006 				     0);
3007 		break;
3008 	case NL80211_CMD_CH_SWITCH_NOTIFY:
3009 		mlme_event_ch_switch(drv,
3010 				     tb[NL80211_ATTR_IFINDEX],
3011 				     tb[NL80211_ATTR_WIPHY_FREQ],
3012 				     tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
3013 				     tb[NL80211_ATTR_CHANNEL_WIDTH],
3014 				     tb[NL80211_ATTR_CENTER_FREQ1],
3015 				     tb[NL80211_ATTR_CENTER_FREQ2],
3016 				     1);
3017 		break;
3018 	case NL80211_CMD_DISCONNECT:
3019 		mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
3020 				      tb[NL80211_ATTR_MAC],
3021 				      tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
3022 		break;
3023 	case NL80211_CMD_MICHAEL_MIC_FAILURE:
3024 		mlme_event_michael_mic_failure(bss, tb);
3025 		break;
3026 	case NL80211_CMD_JOIN_IBSS:
3027 		mlme_event_join_ibss(drv, tb);
3028 		break;
3029 	case NL80211_CMD_REMAIN_ON_CHANNEL:
3030 		mlme_event_remain_on_channel(drv, 0, tb);
3031 		break;
3032 	case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
3033 		mlme_event_remain_on_channel(drv, 1, tb);
3034 		break;
3035 	case NL80211_CMD_NOTIFY_CQM:
3036 		nl80211_cqm_event(drv, tb);
3037 		break;
3038 	case NL80211_CMD_REG_CHANGE:
3039 	case NL80211_CMD_WIPHY_REG_CHANGE:
3040 		nl80211_reg_change_event(drv, tb);
3041 		break;
3042 	case NL80211_CMD_REG_BEACON_HINT:
3043 		nl80211_reg_beacon_hint_event(drv, tb);
3044 		break;
3045 	case NL80211_CMD_NEW_STATION:
3046 		nl80211_new_station_event(drv, bss, tb);
3047 		break;
3048 	case NL80211_CMD_DEL_STATION:
3049 		nl80211_del_station_event(drv, bss, tb);
3050 		break;
3051 	case NL80211_CMD_SET_REKEY_OFFLOAD:
3052 		nl80211_rekey_offload_event(drv, tb);
3053 		break;
3054 	case NL80211_CMD_PMKSA_CANDIDATE:
3055 		nl80211_pmksa_candidate_event(drv, tb);
3056 		break;
3057 	case NL80211_CMD_PROBE_CLIENT:
3058 		nl80211_client_probe_event(drv, tb);
3059 		break;
3060 	case NL80211_CMD_TDLS_OPER:
3061 		nl80211_tdls_oper_event(drv, tb);
3062 		break;
3063 	case NL80211_CMD_CONN_FAILED:
3064 		nl80211_connect_failed_event(drv, tb);
3065 		break;
3066 	case NL80211_CMD_FT_EVENT:
3067 		mlme_event_ft_event(drv, tb);
3068 		break;
3069 	case NL80211_CMD_RADAR_DETECT:
3070 		nl80211_radar_event(drv, tb);
3071 		break;
3072 	case NL80211_CMD_STOP_AP:
3073 		nl80211_stop_ap(drv, tb);
3074 		break;
3075 	case NL80211_CMD_VENDOR:
3076 		nl80211_vendor_event(drv, tb);
3077 		break;
3078 	case NL80211_CMD_NEW_PEER_CANDIDATE:
3079 		nl80211_new_peer_candidate(drv, tb);
3080 		break;
3081 	case NL80211_CMD_PORT_AUTHORIZED:
3082 		nl80211_port_authorized(drv, tb);
3083 		break;
3084 	case NL80211_CMD_STA_OPMODE_CHANGED:
3085 		nl80211_sta_opmode_change_event(drv, tb);
3086 		break;
3087 	case NL80211_CMD_UPDATE_OWE_INFO:
3088 		mlme_event_dh_event(drv, bss, tb);
3089 		break;
3090 	case NL80211_CMD_UNPROT_BEACON:
3091 		if (frame)
3092 			mlme_event_unprot_beacon(drv, nla_data(frame),
3093 						 nla_len(frame));
3094 		break;
3095 	case NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS:
3096 		if (!frame)
3097 			break;
3098 		nl80211_control_port_frame_tx_status(drv,
3099 						     nla_data(frame),
3100 						     nla_len(frame),
3101 						     tb[NL80211_ATTR_ACK],
3102 						     tb[NL80211_ATTR_COOKIE]);
3103 		break;
3104 	default:
3105 		wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
3106 			"(cmd=%d)", cmd);
3107 		break;
3108 	}
3109 }
3110 
3111 
3112 int process_global_event(struct nl_msg *msg, void *arg)
3113 {
3114 	struct nl80211_global *global = arg;
3115 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3116 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
3117 	struct wpa_driver_nl80211_data *drv, *tmp;
3118 	int ifidx = -1, wiphy_idx = -1, wiphy_idx_rx = -1;
3119 	struct i802_bss *bss;
3120 	u64 wdev_id = 0;
3121 	int wdev_id_set = 0;
3122 	int wiphy_idx_set = 0;
3123 
3124 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3125 		  genlmsg_attrlen(gnlh, 0), NULL);
3126 
3127 	if (tb[NL80211_ATTR_IFINDEX])
3128 		ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
3129 	else if (tb[NL80211_ATTR_WDEV]) {
3130 		wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
3131 		wdev_id_set = 1;
3132 	} else if (tb[NL80211_ATTR_WIPHY]) {
3133 		wiphy_idx_rx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
3134 		wiphy_idx_set = 1;
3135 	}
3136 
3137 	dl_list_for_each_safe(drv, tmp, &global->interfaces,
3138 			      struct wpa_driver_nl80211_data, list) {
3139 		for (bss = drv->first_bss; bss; bss = bss->next) {
3140 			if (wiphy_idx_set)
3141 				wiphy_idx = nl80211_get_wiphy_index(bss);
3142 			if ((ifidx == -1 && !wiphy_idx_set && !wdev_id_set) ||
3143 			    ifidx == bss->ifindex ||
3144 			    (wiphy_idx_set && wiphy_idx == wiphy_idx_rx) ||
3145 			    (wdev_id_set && bss->wdev_id_set &&
3146 			     wdev_id == bss->wdev_id)) {
3147 				do_process_drv_event(bss, gnlh->cmd, tb);
3148 				return NL_SKIP;
3149 			}
3150 		}
3151 		wpa_printf(MSG_DEBUG,
3152 			   "nl80211: Ignored event %d (%s) for foreign interface (ifindex %d wdev 0x%llx)",
3153 			   gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
3154 			   ifidx, (long long unsigned int) wdev_id);
3155 	}
3156 
3157 	return NL_SKIP;
3158 }
3159 
3160 
3161 int process_bss_event(struct nl_msg *msg, void *arg)
3162 {
3163 	struct i802_bss *bss = arg;
3164 	struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
3165 	struct nlattr *tb[NL80211_ATTR_MAX + 1];
3166 
3167 	nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
3168 		  genlmsg_attrlen(gnlh, 0), NULL);
3169 
3170 	wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
3171 		   gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
3172 		   bss->ifname);
3173 
3174 	switch (gnlh->cmd) {
3175 	case NL80211_CMD_FRAME:
3176 	case NL80211_CMD_FRAME_TX_STATUS:
3177 		mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
3178 			   tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
3179 			   tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
3180 			   tb[NL80211_ATTR_COOKIE],
3181 			   tb[NL80211_ATTR_RX_SIGNAL_DBM],
3182 			   tb[NL80211_ATTR_STA_WME], NULL);
3183 		break;
3184 	case NL80211_CMD_UNEXPECTED_FRAME:
3185 		nl80211_spurious_frame(bss, tb, 0);
3186 		break;
3187 	case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
3188 		nl80211_spurious_frame(bss, tb, 1);
3189 		break;
3190 	case NL80211_CMD_EXTERNAL_AUTH:
3191 		nl80211_external_auth(bss->drv, tb);
3192 		break;
3193 	case NL80211_CMD_CONTROL_PORT_FRAME:
3194 		nl80211_control_port_frame(bss->drv, tb);
3195 		break;
3196 	default:
3197 		wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
3198 			   "(cmd=%d)", gnlh->cmd);
3199 		break;
3200 	}
3201 
3202 	return NL_SKIP;
3203 }
3204