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Make channel switch started event available over control interface
[thirdparty/hostap.git] / src / drivers / driver_nl80211_event.c
1 /*
2 * Driver interaction with Linux nl80211/cfg80211 - Event processing
3 * Copyright (c) 2002-2017, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
5 * Copyright (c) 2009-2010, Atheros Communications
6 *
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
9 */
10
11 #include "includes.h"
12 #include <netlink/genl/genl.h>
13
14 #include "utils/common.h"
15 #include "utils/eloop.h"
16 #include "common/qca-vendor.h"
17 #include "common/qca-vendor-attr.h"
18 #include "common/ieee802_11_defs.h"
19 #include "common/ieee802_11_common.h"
20 #include "driver_nl80211.h"
21
22
23 static const char * nl80211_command_to_string(enum nl80211_commands cmd)
24 {
25 #define C2S(x) case x: return #x;
26 switch (cmd) {
27 C2S(NL80211_CMD_UNSPEC)
28 C2S(NL80211_CMD_GET_WIPHY)
29 C2S(NL80211_CMD_SET_WIPHY)
30 C2S(NL80211_CMD_NEW_WIPHY)
31 C2S(NL80211_CMD_DEL_WIPHY)
32 C2S(NL80211_CMD_GET_INTERFACE)
33 C2S(NL80211_CMD_SET_INTERFACE)
34 C2S(NL80211_CMD_NEW_INTERFACE)
35 C2S(NL80211_CMD_DEL_INTERFACE)
36 C2S(NL80211_CMD_GET_KEY)
37 C2S(NL80211_CMD_SET_KEY)
38 C2S(NL80211_CMD_NEW_KEY)
39 C2S(NL80211_CMD_DEL_KEY)
40 C2S(NL80211_CMD_GET_BEACON)
41 C2S(NL80211_CMD_SET_BEACON)
42 C2S(NL80211_CMD_START_AP)
43 C2S(NL80211_CMD_STOP_AP)
44 C2S(NL80211_CMD_GET_STATION)
45 C2S(NL80211_CMD_SET_STATION)
46 C2S(NL80211_CMD_NEW_STATION)
47 C2S(NL80211_CMD_DEL_STATION)
48 C2S(NL80211_CMD_GET_MPATH)
49 C2S(NL80211_CMD_SET_MPATH)
50 C2S(NL80211_CMD_NEW_MPATH)
51 C2S(NL80211_CMD_DEL_MPATH)
52 C2S(NL80211_CMD_SET_BSS)
53 C2S(NL80211_CMD_SET_REG)
54 C2S(NL80211_CMD_REQ_SET_REG)
55 C2S(NL80211_CMD_GET_MESH_CONFIG)
56 C2S(NL80211_CMD_SET_MESH_CONFIG)
57 C2S(NL80211_CMD_SET_MGMT_EXTRA_IE)
58 C2S(NL80211_CMD_GET_REG)
59 C2S(NL80211_CMD_GET_SCAN)
60 C2S(NL80211_CMD_TRIGGER_SCAN)
61 C2S(NL80211_CMD_NEW_SCAN_RESULTS)
62 C2S(NL80211_CMD_SCAN_ABORTED)
63 C2S(NL80211_CMD_REG_CHANGE)
64 C2S(NL80211_CMD_AUTHENTICATE)
65 C2S(NL80211_CMD_ASSOCIATE)
66 C2S(NL80211_CMD_DEAUTHENTICATE)
67 C2S(NL80211_CMD_DISASSOCIATE)
68 C2S(NL80211_CMD_MICHAEL_MIC_FAILURE)
69 C2S(NL80211_CMD_REG_BEACON_HINT)
70 C2S(NL80211_CMD_JOIN_IBSS)
71 C2S(NL80211_CMD_LEAVE_IBSS)
72 C2S(NL80211_CMD_TESTMODE)
73 C2S(NL80211_CMD_CONNECT)
74 C2S(NL80211_CMD_ROAM)
75 C2S(NL80211_CMD_DISCONNECT)
76 C2S(NL80211_CMD_SET_WIPHY_NETNS)
77 C2S(NL80211_CMD_GET_SURVEY)
78 C2S(NL80211_CMD_NEW_SURVEY_RESULTS)
79 C2S(NL80211_CMD_SET_PMKSA)
80 C2S(NL80211_CMD_DEL_PMKSA)
81 C2S(NL80211_CMD_FLUSH_PMKSA)
82 C2S(NL80211_CMD_REMAIN_ON_CHANNEL)
83 C2S(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL)
84 C2S(NL80211_CMD_SET_TX_BITRATE_MASK)
85 C2S(NL80211_CMD_REGISTER_FRAME)
86 C2S(NL80211_CMD_FRAME)
87 C2S(NL80211_CMD_FRAME_TX_STATUS)
88 C2S(NL80211_CMD_SET_POWER_SAVE)
89 C2S(NL80211_CMD_GET_POWER_SAVE)
90 C2S(NL80211_CMD_SET_CQM)
91 C2S(NL80211_CMD_NOTIFY_CQM)
92 C2S(NL80211_CMD_SET_CHANNEL)
93 C2S(NL80211_CMD_SET_WDS_PEER)
94 C2S(NL80211_CMD_FRAME_WAIT_CANCEL)
95 C2S(NL80211_CMD_JOIN_MESH)
96 C2S(NL80211_CMD_LEAVE_MESH)
97 C2S(NL80211_CMD_UNPROT_DEAUTHENTICATE)
98 C2S(NL80211_CMD_UNPROT_DISASSOCIATE)
99 C2S(NL80211_CMD_NEW_PEER_CANDIDATE)
100 C2S(NL80211_CMD_GET_WOWLAN)
101 C2S(NL80211_CMD_SET_WOWLAN)
102 C2S(NL80211_CMD_START_SCHED_SCAN)
103 C2S(NL80211_CMD_STOP_SCHED_SCAN)
104 C2S(NL80211_CMD_SCHED_SCAN_RESULTS)
105 C2S(NL80211_CMD_SCHED_SCAN_STOPPED)
106 C2S(NL80211_CMD_SET_REKEY_OFFLOAD)
107 C2S(NL80211_CMD_PMKSA_CANDIDATE)
108 C2S(NL80211_CMD_TDLS_OPER)
109 C2S(NL80211_CMD_TDLS_MGMT)
110 C2S(NL80211_CMD_UNEXPECTED_FRAME)
111 C2S(NL80211_CMD_PROBE_CLIENT)
112 C2S(NL80211_CMD_REGISTER_BEACONS)
113 C2S(NL80211_CMD_UNEXPECTED_4ADDR_FRAME)
114 C2S(NL80211_CMD_SET_NOACK_MAP)
115 C2S(NL80211_CMD_CH_SWITCH_NOTIFY)
116 C2S(NL80211_CMD_START_P2P_DEVICE)
117 C2S(NL80211_CMD_STOP_P2P_DEVICE)
118 C2S(NL80211_CMD_CONN_FAILED)
119 C2S(NL80211_CMD_SET_MCAST_RATE)
120 C2S(NL80211_CMD_SET_MAC_ACL)
121 C2S(NL80211_CMD_RADAR_DETECT)
122 C2S(NL80211_CMD_GET_PROTOCOL_FEATURES)
123 C2S(NL80211_CMD_UPDATE_FT_IES)
124 C2S(NL80211_CMD_FT_EVENT)
125 C2S(NL80211_CMD_CRIT_PROTOCOL_START)
126 C2S(NL80211_CMD_CRIT_PROTOCOL_STOP)
127 C2S(NL80211_CMD_GET_COALESCE)
128 C2S(NL80211_CMD_SET_COALESCE)
129 C2S(NL80211_CMD_CHANNEL_SWITCH)
130 C2S(NL80211_CMD_VENDOR)
131 C2S(NL80211_CMD_SET_QOS_MAP)
132 C2S(NL80211_CMD_ADD_TX_TS)
133 C2S(NL80211_CMD_DEL_TX_TS)
134 C2S(NL80211_CMD_WIPHY_REG_CHANGE)
135 C2S(NL80211_CMD_PORT_AUTHORIZED)
136 C2S(NL80211_CMD_EXTERNAL_AUTH)
137 C2S(NL80211_CMD_STA_OPMODE_CHANGED)
138 C2S(NL80211_CMD_CONTROL_PORT_FRAME)
139 default:
140 return "NL80211_CMD_UNKNOWN";
141 }
142 #undef C2S
143 }
144
145
146 static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
147 const u8 *frame, size_t len)
148 {
149 const struct ieee80211_mgmt *mgmt;
150 union wpa_event_data event;
151
152 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
153 drv->force_connect_cmd) {
154 /*
155 * Avoid reporting two association events that would confuse
156 * the core code.
157 */
158 wpa_printf(MSG_DEBUG,
159 "nl80211: Ignore auth event when using driver SME");
160 return;
161 }
162
163 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
164 mgmt = (const struct ieee80211_mgmt *) frame;
165 if (len < 24 + sizeof(mgmt->u.auth)) {
166 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
167 "frame");
168 return;
169 }
170
171 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
172 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
173 os_memset(&event, 0, sizeof(event));
174 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
175 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
176 event.auth.auth_transaction =
177 le_to_host16(mgmt->u.auth.auth_transaction);
178 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
179 if (len > 24 + sizeof(mgmt->u.auth)) {
180 event.auth.ies = mgmt->u.auth.variable;
181 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
182 }
183
184 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
185 }
186
187
188 static void nl80211_parse_wmm_params(struct nlattr *wmm_attr,
189 struct wmm_params *wmm_params)
190 {
191 struct nlattr *wmm_info[NL80211_STA_WME_MAX + 1];
192 static struct nla_policy wme_policy[NL80211_STA_WME_MAX + 1] = {
193 [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
194 };
195
196 if (!wmm_attr ||
197 nla_parse_nested(wmm_info, NL80211_STA_WME_MAX, wmm_attr,
198 wme_policy) ||
199 !wmm_info[NL80211_STA_WME_UAPSD_QUEUES])
200 return;
201
202 wmm_params->uapsd_queues =
203 nla_get_u8(wmm_info[NL80211_STA_WME_UAPSD_QUEUES]);
204 wmm_params->info_bitmap |= WMM_PARAMS_UAPSD_QUEUES_INFO;
205 }
206
207
208 static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
209 const u8 *frame, size_t len, struct nlattr *wmm,
210 struct nlattr *req_ie)
211 {
212 const struct ieee80211_mgmt *mgmt;
213 union wpa_event_data event;
214 u16 status;
215 int ssid_len;
216
217 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
218 drv->force_connect_cmd) {
219 /*
220 * Avoid reporting two association events that would confuse
221 * the core code.
222 */
223 wpa_printf(MSG_DEBUG,
224 "nl80211: Ignore assoc event when using driver SME");
225 return;
226 }
227
228 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
229 mgmt = (const struct ieee80211_mgmt *) frame;
230 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
231 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
232 "frame");
233 return;
234 }
235
236 status = le_to_host16(mgmt->u.assoc_resp.status_code);
237 if (status != WLAN_STATUS_SUCCESS) {
238 os_memset(&event, 0, sizeof(event));
239 event.assoc_reject.bssid = mgmt->bssid;
240 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
241 event.assoc_reject.resp_ies =
242 (u8 *) mgmt->u.assoc_resp.variable;
243 event.assoc_reject.resp_ies_len =
244 len - 24 - sizeof(mgmt->u.assoc_resp);
245 }
246 event.assoc_reject.status_code = status;
247
248 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
249 return;
250 }
251
252 drv->associated = 1;
253 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
254 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
255
256 os_memset(&event, 0, sizeof(event));
257 event.assoc_info.resp_frame = frame;
258 event.assoc_info.resp_frame_len = len;
259 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
260 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
261 event.assoc_info.resp_ies_len =
262 len - 24 - sizeof(mgmt->u.assoc_resp);
263 }
264
265 if (req_ie) {
266 event.assoc_info.req_ies = nla_data(req_ie);
267 event.assoc_info.req_ies_len = nla_len(req_ie);
268 }
269
270 /* When this association was initiated outside of wpa_supplicant,
271 * drv->ssid needs to be set here to satisfy later checking. */
272 ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid);
273 if (ssid_len > 0) {
274 drv->ssid_len = ssid_len;
275 wpa_printf(MSG_DEBUG,
276 "nl80211: Set drv->ssid based on scan res info to '%s'",
277 wpa_ssid_txt(drv->ssid, drv->ssid_len));
278 }
279
280 event.assoc_info.freq = drv->assoc_freq;
281 drv->first_bss->freq = drv->assoc_freq;
282
283 nl80211_parse_wmm_params(wmm, &event.assoc_info.wmm_params);
284
285 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
286 }
287
288
289 static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
290 enum nl80211_commands cmd, struct nlattr *status,
291 struct nlattr *addr, struct nlattr *req_ie,
292 struct nlattr *resp_ie,
293 struct nlattr *timed_out,
294 struct nlattr *timeout_reason,
295 struct nlattr *authorized,
296 struct nlattr *key_replay_ctr,
297 struct nlattr *ptk_kck,
298 struct nlattr *ptk_kek,
299 struct nlattr *subnet_status,
300 struct nlattr *fils_erp_next_seq_num,
301 struct nlattr *fils_pmk,
302 struct nlattr *fils_pmkid)
303 {
304 union wpa_event_data event;
305 const u8 *ssid = NULL;
306 u16 status_code;
307 int ssid_len;
308
309 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
310 /*
311 * Avoid reporting two association events that would confuse
312 * the core code.
313 */
314 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
315 "when using userspace SME", cmd);
316 return;
317 }
318
319 drv->connect_reassoc = 0;
320
321 status_code = status ? nla_get_u16(status) : WLAN_STATUS_SUCCESS;
322
323 if (cmd == NL80211_CMD_CONNECT) {
324 wpa_printf(MSG_DEBUG,
325 "nl80211: Connect event (status=%u ignore_next_local_disconnect=%d)",
326 status_code, drv->ignore_next_local_disconnect);
327 } else if (cmd == NL80211_CMD_ROAM) {
328 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
329 }
330
331 os_memset(&event, 0, sizeof(event));
332 if (cmd == NL80211_CMD_CONNECT && status_code != WLAN_STATUS_SUCCESS) {
333 if (addr)
334 event.assoc_reject.bssid = nla_data(addr);
335 if (drv->ignore_next_local_disconnect) {
336 drv->ignore_next_local_disconnect = 0;
337 if (!event.assoc_reject.bssid ||
338 (os_memcmp(event.assoc_reject.bssid,
339 drv->auth_attempt_bssid,
340 ETH_ALEN) != 0)) {
341 /*
342 * Ignore the event that came without a BSSID or
343 * for the old connection since this is likely
344 * not relevant to the new Connect command.
345 */
346 wpa_printf(MSG_DEBUG,
347 "nl80211: Ignore connection failure event triggered during reassociation");
348 return;
349 }
350 }
351 if (resp_ie) {
352 event.assoc_reject.resp_ies = nla_data(resp_ie);
353 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
354 }
355 event.assoc_reject.status_code = status_code;
356 event.assoc_reject.timed_out = timed_out != NULL;
357 if (timed_out && timeout_reason) {
358 enum nl80211_timeout_reason reason;
359
360 reason = nla_get_u32(timeout_reason);
361 switch (reason) {
362 case NL80211_TIMEOUT_SCAN:
363 event.assoc_reject.timeout_reason = "scan";
364 break;
365 case NL80211_TIMEOUT_AUTH:
366 event.assoc_reject.timeout_reason = "auth";
367 break;
368 case NL80211_TIMEOUT_ASSOC:
369 event.assoc_reject.timeout_reason = "assoc";
370 break;
371 default:
372 break;
373 }
374 }
375 if (fils_erp_next_seq_num)
376 event.assoc_reject.fils_erp_next_seq_num =
377 nla_get_u16(fils_erp_next_seq_num);
378 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
379 return;
380 }
381
382 drv->associated = 1;
383 if (addr) {
384 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
385 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
386 }
387
388 if (req_ie) {
389 event.assoc_info.req_ies = nla_data(req_ie);
390 event.assoc_info.req_ies_len = nla_len(req_ie);
391
392 if (cmd == NL80211_CMD_ROAM) {
393 ssid = get_ie(event.assoc_info.req_ies,
394 event.assoc_info.req_ies_len,
395 WLAN_EID_SSID);
396 if (ssid && ssid[1] > 0 && ssid[1] <= 32) {
397 drv->ssid_len = ssid[1];
398 os_memcpy(drv->ssid, ssid + 2, ssid[1]);
399 wpa_printf(MSG_DEBUG,
400 "nl80211: Set drv->ssid based on req_ie to '%s'",
401 wpa_ssid_txt(drv->ssid,
402 drv->ssid_len));
403 }
404 }
405 }
406 if (resp_ie) {
407 event.assoc_info.resp_ies = nla_data(resp_ie);
408 event.assoc_info.resp_ies_len = nla_len(resp_ie);
409 }
410
411 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
412 drv->first_bss->freq = drv->assoc_freq;
413
414 if ((!ssid || ssid[1] == 0 || ssid[1] > 32) &&
415 (ssid_len = nl80211_get_assoc_ssid(drv, drv->ssid)) > 0) {
416 /* When this connection was initiated outside of wpa_supplicant,
417 * drv->ssid needs to be set here to satisfy later checking. */
418 drv->ssid_len = ssid_len;
419 wpa_printf(MSG_DEBUG,
420 "nl80211: Set drv->ssid based on scan res info to '%s'",
421 wpa_ssid_txt(drv->ssid, drv->ssid_len));
422 }
423
424 if (authorized && nla_get_u8(authorized)) {
425 event.assoc_info.authorized = 1;
426 wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
427 }
428 if (key_replay_ctr) {
429 event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
430 event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
431 }
432 if (ptk_kck) {
433 event.assoc_info.ptk_kck = nla_data(ptk_kck);
434 event.assoc_info.ptk_kck_len = nla_len(ptk_kck);
435 }
436 if (ptk_kek) {
437 event.assoc_info.ptk_kek = nla_data(ptk_kek);
438 event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
439 }
440
441 if (subnet_status) {
442 /*
443 * At least for now, this is only available from
444 * QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS and that
445 * attribute has the same values 0, 1, 2 as are used in the
446 * variable here, so no mapping between different values are
447 * needed.
448 */
449 event.assoc_info.subnet_status = nla_get_u8(subnet_status);
450 }
451
452 if (fils_erp_next_seq_num)
453 event.assoc_info.fils_erp_next_seq_num =
454 nla_get_u16(fils_erp_next_seq_num);
455
456 if (fils_pmk) {
457 event.assoc_info.fils_pmk = nla_data(fils_pmk);
458 event.assoc_info.fils_pmk_len = nla_len(fils_pmk);
459 }
460
461 if (fils_pmkid)
462 event.assoc_info.fils_pmkid = nla_data(fils_pmkid);
463
464 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
465 }
466
467
468 static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
469 struct nlattr *reason, struct nlattr *addr,
470 struct nlattr *by_ap)
471 {
472 union wpa_event_data data;
473 unsigned int locally_generated = by_ap == NULL;
474
475 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
476 /*
477 * Avoid reporting two disassociation events that could
478 * confuse the core code.
479 */
480 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
481 "event when using userspace SME");
482 return;
483 }
484
485 if (drv->ignore_next_local_disconnect) {
486 drv->ignore_next_local_disconnect = 0;
487 if (locally_generated) {
488 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
489 "event triggered during reassociation");
490 return;
491 }
492 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
493 "disconnect but got another disconnect "
494 "event first");
495 }
496
497 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
498 nl80211_mark_disconnected(drv);
499 os_memset(&data, 0, sizeof(data));
500 if (reason)
501 data.deauth_info.reason_code = nla_get_u16(reason);
502 data.deauth_info.locally_generated = by_ap == NULL;
503 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
504 }
505
506
507 static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
508 {
509 int freq1 = 0;
510
511 switch (convert2width(width)) {
512 case CHAN_WIDTH_20_NOHT:
513 case CHAN_WIDTH_20:
514 return 0;
515 case CHAN_WIDTH_40:
516 freq1 = cf1 - 10;
517 break;
518 case CHAN_WIDTH_80:
519 freq1 = cf1 - 30;
520 break;
521 case CHAN_WIDTH_160:
522 freq1 = cf1 - 70;
523 break;
524 case CHAN_WIDTH_UNKNOWN:
525 case CHAN_WIDTH_80P80:
526 /* FIXME: implement this */
527 return 0;
528 }
529
530 return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
531 }
532
533
534 static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
535 struct nlattr *ifindex, struct nlattr *freq,
536 struct nlattr *type, struct nlattr *bw,
537 struct nlattr *cf1, struct nlattr *cf2,
538 int finished)
539 {
540 struct i802_bss *bss;
541 union wpa_event_data data;
542 int ht_enabled = 1;
543 int chan_offset = 0;
544 int ifidx;
545
546 wpa_printf(MSG_DEBUG, "nl80211: Channel switch%s event",
547 finished ? "" : " started");
548
549 if (!freq)
550 return;
551
552 ifidx = nla_get_u32(ifindex);
553 bss = get_bss_ifindex(drv, ifidx);
554 if (bss == NULL) {
555 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
556 ifidx);
557 return;
558 }
559
560 if (type) {
561 enum nl80211_channel_type ch_type = nla_get_u32(type);
562
563 wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
564 switch (ch_type) {
565 case NL80211_CHAN_NO_HT:
566 ht_enabled = 0;
567 break;
568 case NL80211_CHAN_HT20:
569 break;
570 case NL80211_CHAN_HT40PLUS:
571 chan_offset = 1;
572 break;
573 case NL80211_CHAN_HT40MINUS:
574 chan_offset = -1;
575 break;
576 }
577 } else if (bw && cf1) {
578 /* This can happen for example with VHT80 ch switch */
579 chan_offset = calculate_chan_offset(nla_get_u32(bw),
580 nla_get_u32(freq),
581 nla_get_u32(cf1),
582 cf2 ? nla_get_u32(cf2) : 0);
583 } else {
584 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
585 }
586
587 os_memset(&data, 0, sizeof(data));
588 data.ch_switch.freq = nla_get_u32(freq);
589 data.ch_switch.ht_enabled = ht_enabled;
590 data.ch_switch.ch_offset = chan_offset;
591 if (bw)
592 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
593 if (cf1)
594 data.ch_switch.cf1 = nla_get_u32(cf1);
595 if (cf2)
596 data.ch_switch.cf2 = nla_get_u32(cf2);
597
598 bss->freq = data.ch_switch.freq;
599 drv->assoc_freq = data.ch_switch.freq;
600
601 wpa_supplicant_event(bss->ctx, finished ?
602 EVENT_CH_SWITCH : EVENT_CH_SWITCH_STARTED, &data);
603 }
604
605
606 static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
607 enum nl80211_commands cmd, struct nlattr *addr)
608 {
609 union wpa_event_data event;
610 enum wpa_event_type ev;
611
612 if (nla_len(addr) != ETH_ALEN)
613 return;
614
615 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
616 cmd, MAC2STR((u8 *) nla_data(addr)));
617
618 if (cmd == NL80211_CMD_AUTHENTICATE)
619 ev = EVENT_AUTH_TIMED_OUT;
620 else if (cmd == NL80211_CMD_ASSOCIATE)
621 ev = EVENT_ASSOC_TIMED_OUT;
622 else
623 return;
624
625 os_memset(&event, 0, sizeof(event));
626 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
627 wpa_supplicant_event(drv->ctx, ev, &event);
628 }
629
630
631 static void mlme_event_mgmt(struct i802_bss *bss,
632 struct nlattr *freq, struct nlattr *sig,
633 const u8 *frame, size_t len)
634 {
635 struct wpa_driver_nl80211_data *drv = bss->drv;
636 const struct ieee80211_mgmt *mgmt;
637 union wpa_event_data event;
638 u16 fc, stype;
639 int ssi_signal = 0;
640 int rx_freq = 0;
641
642 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
643 mgmt = (const struct ieee80211_mgmt *) frame;
644 if (len < 24) {
645 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
646 return;
647 }
648
649 fc = le_to_host16(mgmt->frame_control);
650 stype = WLAN_FC_GET_STYPE(fc);
651
652 if (sig)
653 ssi_signal = (s32) nla_get_u32(sig);
654
655 os_memset(&event, 0, sizeof(event));
656 if (freq) {
657 event.rx_mgmt.freq = nla_get_u32(freq);
658 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
659 }
660 wpa_printf(MSG_DEBUG,
661 "nl80211: RX frame da=" MACSTR " sa=" MACSTR " bssid=" MACSTR
662 " freq=%d ssi_signal=%d fc=0x%x seq_ctrl=0x%x stype=%u (%s) len=%u",
663 MAC2STR(mgmt->da), MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid),
664 rx_freq, ssi_signal, fc,
665 le_to_host16(mgmt->seq_ctrl), stype, fc2str(fc),
666 (unsigned int) len);
667 event.rx_mgmt.frame = frame;
668 event.rx_mgmt.frame_len = len;
669 event.rx_mgmt.ssi_signal = ssi_signal;
670 event.rx_mgmt.drv_priv = bss;
671 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
672 }
673
674
675 static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
676 struct nlattr *cookie, const u8 *frame,
677 size_t len, struct nlattr *ack)
678 {
679 union wpa_event_data event;
680 const struct ieee80211_hdr *hdr;
681 u16 fc;
682
683 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
684 if (!is_ap_interface(drv->nlmode)) {
685 u64 cookie_val;
686
687 if (!cookie)
688 return;
689
690 cookie_val = nla_get_u64(cookie);
691 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
692 " cookie=0x%llx%s (ack=%d)",
693 (long long unsigned int) cookie_val,
694 cookie_val == drv->send_action_cookie ?
695 " (match)" : " (unknown)", ack != NULL);
696 if (cookie_val != drv->send_action_cookie)
697 return;
698 }
699
700 hdr = (const struct ieee80211_hdr *) frame;
701 fc = le_to_host16(hdr->frame_control);
702
703 os_memset(&event, 0, sizeof(event));
704 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
705 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
706 event.tx_status.dst = hdr->addr1;
707 event.tx_status.data = frame;
708 event.tx_status.data_len = len;
709 event.tx_status.ack = ack != NULL;
710 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
711 }
712
713
714 static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
715 enum wpa_event_type type,
716 const u8 *frame, size_t len)
717 {
718 const struct ieee80211_mgmt *mgmt;
719 union wpa_event_data event;
720 const u8 *bssid = NULL;
721 u16 reason_code = 0;
722
723 if (type == EVENT_DEAUTH)
724 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
725 else
726 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
727
728 mgmt = (const struct ieee80211_mgmt *) frame;
729 if (len >= 24) {
730 bssid = mgmt->bssid;
731
732 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
733 !drv->associated &&
734 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
735 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
736 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
737 /*
738 * Avoid issues with some roaming cases where
739 * disconnection event for the old AP may show up after
740 * we have started connection with the new AP.
741 * In case of locally generated event clear
742 * ignore_next_local_deauth as well, to avoid next local
743 * deauth event be wrongly ignored.
744 */
745 if (!os_memcmp(mgmt->sa, drv->first_bss->addr,
746 ETH_ALEN)) {
747 wpa_printf(MSG_DEBUG,
748 "nl80211: Received a locally generated deauth event. Clear ignore_next_local_deauth flag");
749 drv->ignore_next_local_deauth = 0;
750 } else {
751 wpa_printf(MSG_DEBUG,
752 "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
753 MAC2STR(bssid),
754 MAC2STR(drv->auth_attempt_bssid));
755 }
756 return;
757 }
758
759 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
760 drv->connect_reassoc && drv->associated &&
761 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0 &&
762 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0) {
763 /*
764 * Avoid issues with some roaming cases where
765 * disconnection event for the old AP may show up after
766 * we have started connection with the new AP.
767 */
768 wpa_printf(MSG_DEBUG,
769 "nl80211: Ignore deauth/disassoc event from old AP "
770 MACSTR
771 " when already connecting with " MACSTR,
772 MAC2STR(bssid),
773 MAC2STR(drv->auth_attempt_bssid));
774 return;
775 }
776
777 if (drv->associated != 0 &&
778 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
779 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
780 /*
781 * We have presumably received this deauth as a
782 * response to a clear_state_mismatch() outgoing
783 * deauth. Don't let it take us offline!
784 */
785 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
786 "from Unknown BSSID " MACSTR " -- ignoring",
787 MAC2STR(bssid));
788 return;
789 }
790 }
791
792 nl80211_mark_disconnected(drv);
793 os_memset(&event, 0, sizeof(event));
794
795 /* Note: Same offset for Reason Code in both frame subtypes */
796 if (len >= 24 + sizeof(mgmt->u.deauth))
797 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
798
799 if (type == EVENT_DISASSOC) {
800 event.disassoc_info.locally_generated =
801 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
802 event.disassoc_info.addr = bssid;
803 event.disassoc_info.reason_code = reason_code;
804 if (frame + len > mgmt->u.disassoc.variable) {
805 event.disassoc_info.ie = mgmt->u.disassoc.variable;
806 event.disassoc_info.ie_len = frame + len -
807 mgmt->u.disassoc.variable;
808 }
809 } else {
810 event.deauth_info.locally_generated =
811 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
812 if (drv->ignore_deauth_event) {
813 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
814 drv->ignore_deauth_event = 0;
815 if (event.deauth_info.locally_generated)
816 drv->ignore_next_local_deauth = 0;
817 return;
818 }
819 if (drv->ignore_next_local_deauth) {
820 drv->ignore_next_local_deauth = 0;
821 if (event.deauth_info.locally_generated) {
822 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
823 return;
824 }
825 wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
826 }
827 event.deauth_info.addr = bssid;
828 event.deauth_info.reason_code = reason_code;
829 if (frame + len > mgmt->u.deauth.variable) {
830 event.deauth_info.ie = mgmt->u.deauth.variable;
831 event.deauth_info.ie_len = frame + len -
832 mgmt->u.deauth.variable;
833 }
834 }
835
836 wpa_supplicant_event(drv->ctx, type, &event);
837 }
838
839
840 static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
841 enum wpa_event_type type,
842 const u8 *frame, size_t len)
843 {
844 const struct ieee80211_mgmt *mgmt;
845 union wpa_event_data event;
846 u16 reason_code = 0;
847
848 if (type == EVENT_UNPROT_DEAUTH)
849 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
850 else
851 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
852
853 if (len < 24)
854 return;
855
856 mgmt = (const struct ieee80211_mgmt *) frame;
857
858 os_memset(&event, 0, sizeof(event));
859 /* Note: Same offset for Reason Code in both frame subtypes */
860 if (len >= 24 + sizeof(mgmt->u.deauth))
861 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
862
863 if (type == EVENT_UNPROT_DISASSOC) {
864 event.unprot_disassoc.sa = mgmt->sa;
865 event.unprot_disassoc.da = mgmt->da;
866 event.unprot_disassoc.reason_code = reason_code;
867 } else {
868 event.unprot_deauth.sa = mgmt->sa;
869 event.unprot_deauth.da = mgmt->da;
870 event.unprot_deauth.reason_code = reason_code;
871 }
872
873 wpa_supplicant_event(drv->ctx, type, &event);
874 }
875
876
877 static void mlme_event(struct i802_bss *bss,
878 enum nl80211_commands cmd, struct nlattr *frame,
879 struct nlattr *addr, struct nlattr *timed_out,
880 struct nlattr *freq, struct nlattr *ack,
881 struct nlattr *cookie, struct nlattr *sig,
882 struct nlattr *wmm, struct nlattr *req_ie)
883 {
884 struct wpa_driver_nl80211_data *drv = bss->drv;
885 const u8 *data;
886 size_t len;
887
888 if (timed_out && addr) {
889 mlme_timeout_event(drv, cmd, addr);
890 return;
891 }
892
893 if (frame == NULL) {
894 wpa_printf(MSG_DEBUG,
895 "nl80211: MLME event %d (%s) without frame data",
896 cmd, nl80211_command_to_string(cmd));
897 return;
898 }
899
900 data = nla_data(frame);
901 len = nla_len(frame);
902 if (len < 4 + 2 * ETH_ALEN) {
903 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
904 MACSTR ") - too short",
905 cmd, nl80211_command_to_string(cmd), bss->ifname,
906 MAC2STR(bss->addr));
907 return;
908 }
909 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
910 ") A1=" MACSTR " A2=" MACSTR, cmd,
911 nl80211_command_to_string(cmd), bss->ifname,
912 MAC2STR(bss->addr), MAC2STR(data + 4),
913 MAC2STR(data + 4 + ETH_ALEN));
914 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
915 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
916 (is_zero_ether_addr(bss->rand_addr) ||
917 os_memcmp(bss->rand_addr, data + 4, ETH_ALEN) != 0) &&
918 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
919 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
920 "for foreign address", bss->ifname);
921 return;
922 }
923 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
924 nla_data(frame), nla_len(frame));
925
926 switch (cmd) {
927 case NL80211_CMD_AUTHENTICATE:
928 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
929 break;
930 case NL80211_CMD_ASSOCIATE:
931 mlme_event_assoc(drv, nla_data(frame), nla_len(frame), wmm,
932 req_ie);
933 break;
934 case NL80211_CMD_DEAUTHENTICATE:
935 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
936 nla_data(frame), nla_len(frame));
937 break;
938 case NL80211_CMD_DISASSOCIATE:
939 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
940 nla_data(frame), nla_len(frame));
941 break;
942 case NL80211_CMD_FRAME:
943 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
944 nla_len(frame));
945 break;
946 case NL80211_CMD_FRAME_TX_STATUS:
947 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
948 nla_len(frame), ack);
949 break;
950 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
951 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
952 nla_data(frame), nla_len(frame));
953 break;
954 case NL80211_CMD_UNPROT_DISASSOCIATE:
955 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
956 nla_data(frame), nla_len(frame));
957 break;
958 default:
959 break;
960 }
961 }
962
963
964 static void mlme_event_michael_mic_failure(struct i802_bss *bss,
965 struct nlattr *tb[])
966 {
967 union wpa_event_data data;
968
969 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
970 os_memset(&data, 0, sizeof(data));
971 if (tb[NL80211_ATTR_MAC]) {
972 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
973 nla_data(tb[NL80211_ATTR_MAC]),
974 nla_len(tb[NL80211_ATTR_MAC]));
975 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
976 }
977 if (tb[NL80211_ATTR_KEY_SEQ]) {
978 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
979 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
980 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
981 }
982 if (tb[NL80211_ATTR_KEY_TYPE]) {
983 enum nl80211_key_type key_type =
984 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
985 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
986 if (key_type == NL80211_KEYTYPE_PAIRWISE)
987 data.michael_mic_failure.unicast = 1;
988 } else
989 data.michael_mic_failure.unicast = 1;
990
991 if (tb[NL80211_ATTR_KEY_IDX]) {
992 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
993 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
994 }
995
996 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
997 }
998
999
1000 static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
1001 struct nlattr *tb[])
1002 {
1003 unsigned int freq;
1004 union wpa_event_data event;
1005
1006 if (tb[NL80211_ATTR_MAC] == NULL) {
1007 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
1008 "event");
1009 return;
1010 }
1011 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1012
1013 drv->associated = 1;
1014 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
1015 MAC2STR(drv->bssid));
1016
1017 freq = nl80211_get_assoc_freq(drv);
1018 if (freq) {
1019 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
1020 freq);
1021 drv->first_bss->freq = freq;
1022 }
1023
1024 os_memset(&event, 0, sizeof(event));
1025 event.assoc_info.freq = freq;
1026
1027 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
1028 }
1029
1030
1031 static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
1032 int cancel_event, struct nlattr *tb[])
1033 {
1034 unsigned int freq, chan_type, duration;
1035 union wpa_event_data data;
1036 u64 cookie;
1037
1038 if (tb[NL80211_ATTR_WIPHY_FREQ])
1039 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1040 else
1041 freq = 0;
1042
1043 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
1044 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
1045 else
1046 chan_type = 0;
1047
1048 if (tb[NL80211_ATTR_DURATION])
1049 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
1050 else
1051 duration = 0;
1052
1053 if (tb[NL80211_ATTR_COOKIE])
1054 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1055 else
1056 cookie = 0;
1057
1058 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
1059 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
1060 cancel_event, freq, chan_type, duration,
1061 (long long unsigned int) cookie,
1062 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
1063
1064 if (cookie != drv->remain_on_chan_cookie)
1065 return; /* not for us */
1066
1067 if (cancel_event)
1068 drv->pending_remain_on_chan = 0;
1069
1070 os_memset(&data, 0, sizeof(data));
1071 data.remain_on_channel.freq = freq;
1072 data.remain_on_channel.duration = duration;
1073 wpa_supplicant_event(drv->ctx, cancel_event ?
1074 EVENT_CANCEL_REMAIN_ON_CHANNEL :
1075 EVENT_REMAIN_ON_CHANNEL, &data);
1076 }
1077
1078
1079 static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
1080 struct nlattr *tb[])
1081 {
1082 union wpa_event_data data;
1083
1084 os_memset(&data, 0, sizeof(data));
1085
1086 if (tb[NL80211_ATTR_IE]) {
1087 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
1088 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
1089 }
1090
1091 if (tb[NL80211_ATTR_IE_RIC]) {
1092 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
1093 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
1094 }
1095
1096 if (tb[NL80211_ATTR_MAC])
1097 os_memcpy(data.ft_ies.target_ap,
1098 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1099
1100 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
1101 MAC2STR(data.ft_ies.target_ap));
1102
1103 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
1104 }
1105
1106
1107 static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
1108 struct nlattr *tb[], int external_scan)
1109 {
1110 union wpa_event_data event;
1111 struct nlattr *nl;
1112 int rem;
1113 struct scan_info *info;
1114 #define MAX_REPORT_FREQS 50
1115 int freqs[MAX_REPORT_FREQS];
1116 int num_freqs = 0;
1117
1118 if (!external_scan && drv->scan_for_auth) {
1119 drv->scan_for_auth = 0;
1120 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
1121 "cfg80211 BSS entry");
1122 wpa_driver_nl80211_authenticate_retry(drv);
1123 return;
1124 }
1125
1126 os_memset(&event, 0, sizeof(event));
1127 info = &event.scan_info;
1128 info->aborted = aborted;
1129 info->external_scan = external_scan;
1130 info->nl_scan_event = 1;
1131
1132 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
1133 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
1134 struct wpa_driver_scan_ssid *s =
1135 &info->ssids[info->num_ssids];
1136 s->ssid = nla_data(nl);
1137 s->ssid_len = nla_len(nl);
1138 wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
1139 wpa_ssid_txt(s->ssid, s->ssid_len));
1140 info->num_ssids++;
1141 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1142 break;
1143 }
1144 }
1145 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
1146 char msg[300], *pos, *end;
1147 int res;
1148
1149 pos = msg;
1150 end = pos + sizeof(msg);
1151 *pos = '\0';
1152
1153 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
1154 {
1155 freqs[num_freqs] = nla_get_u32(nl);
1156 res = os_snprintf(pos, end - pos, " %d",
1157 freqs[num_freqs]);
1158 if (!os_snprintf_error(end - pos, res))
1159 pos += res;
1160 num_freqs++;
1161 if (num_freqs == MAX_REPORT_FREQS - 1)
1162 break;
1163 }
1164 info->freqs = freqs;
1165 info->num_freqs = num_freqs;
1166 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1167 msg);
1168 }
1169
1170 if (tb[NL80211_ATTR_SCAN_START_TIME_TSF] &&
1171 tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]) {
1172 info->scan_start_tsf =
1173 nla_get_u64(tb[NL80211_ATTR_SCAN_START_TIME_TSF]);
1174 os_memcpy(info->scan_start_tsf_bssid,
1175 nla_data(tb[NL80211_ATTR_SCAN_START_TIME_TSF_BSSID]),
1176 ETH_ALEN);
1177 }
1178
1179 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1180 }
1181
1182
1183 static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
1184 struct nlattr *tb[])
1185 {
1186 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
1187 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
1188 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
1189 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
1190 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
1191 [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 },
1192 [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 },
1193 [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 },
1194 [NL80211_ATTR_CQM_BEACON_LOSS_EVENT] = { .type = NLA_FLAG },
1195 };
1196 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
1197 enum nl80211_cqm_rssi_threshold_event event;
1198 union wpa_event_data ed;
1199 struct wpa_signal_info sig;
1200 int res;
1201
1202 if (tb[NL80211_ATTR_CQM] == NULL ||
1203 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
1204 cqm_policy)) {
1205 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
1206 return;
1207 }
1208
1209 os_memset(&ed, 0, sizeof(ed));
1210
1211 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1212 if (!tb[NL80211_ATTR_MAC])
1213 return;
1214 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1215 ETH_ALEN);
1216 ed.low_ack.num_packets =
1217 nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
1218 wpa_printf(MSG_DEBUG, "nl80211: Packet loss event for " MACSTR
1219 " (num_packets %u)",
1220 MAC2STR(ed.low_ack.addr), ed.low_ack.num_packets);
1221 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1222 return;
1223 }
1224
1225 if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
1226 wpa_printf(MSG_DEBUG, "nl80211: Beacon loss event");
1227 wpa_supplicant_event(drv->ctx, EVENT_BEACON_LOSS, NULL);
1228 return;
1229 }
1230
1231 if (cqm[NL80211_ATTR_CQM_TXE_RATE] &&
1232 cqm[NL80211_ATTR_CQM_TXE_PKTS] &&
1233 cqm[NL80211_ATTR_CQM_TXE_INTVL] &&
1234 cqm[NL80211_ATTR_MAC]) {
1235 wpa_printf(MSG_DEBUG, "nl80211: CQM TXE event for " MACSTR
1236 " (rate: %u pkts: %u interval: %u)",
1237 MAC2STR((u8 *) nla_data(cqm[NL80211_ATTR_MAC])),
1238 nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_RATE]),
1239 nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_PKTS]),
1240 nla_get_u32(cqm[NL80211_ATTR_CQM_TXE_INTVL]));
1241 return;
1242 }
1243
1244 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL) {
1245 wpa_printf(MSG_DEBUG,
1246 "nl80211: Not a CQM RSSI threshold event");
1247 return;
1248 }
1249 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1250
1251 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1252 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1253 "event: RSSI high");
1254 ed.signal_change.above_threshold = 1;
1255 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1256 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1257 "event: RSSI low");
1258 ed.signal_change.above_threshold = 0;
1259 } else {
1260 wpa_printf(MSG_DEBUG,
1261 "nl80211: Unknown CQM RSSI threshold event: %d",
1262 event);
1263 return;
1264 }
1265
1266 res = nl80211_get_link_signal(drv, &sig);
1267 if (res == 0) {
1268 ed.signal_change.current_signal = sig.current_signal;
1269 ed.signal_change.current_txrate = sig.current_txrate;
1270 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
1271 sig.current_signal, sig.current_txrate);
1272 }
1273
1274 res = nl80211_get_link_noise(drv, &sig);
1275 if (res == 0) {
1276 ed.signal_change.current_noise = sig.current_noise;
1277 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1278 sig.current_noise);
1279 }
1280
1281 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1282 }
1283
1284
1285 static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1286 struct nlattr **tb)
1287 {
1288 const u8 *addr;
1289 union wpa_event_data data;
1290
1291 if (drv->nlmode != NL80211_IFTYPE_MESH_POINT ||
1292 !tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1293 return;
1294
1295 addr = nla_data(tb[NL80211_ATTR_MAC]);
1296 wpa_printf(MSG_DEBUG, "nl80211: New peer candidate " MACSTR,
1297 MAC2STR(addr));
1298
1299 os_memset(&data, 0, sizeof(data));
1300 data.mesh_peer.peer = addr;
1301 data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1302 data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1303 wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1304 }
1305
1306
1307 static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1308 struct i802_bss *bss,
1309 struct nlattr **tb)
1310 {
1311 u8 *addr;
1312 union wpa_event_data data;
1313
1314 if (tb[NL80211_ATTR_MAC] == NULL)
1315 return;
1316 addr = nla_data(tb[NL80211_ATTR_MAC]);
1317 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1318
1319 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1320 u8 *ies = NULL;
1321 size_t ies_len = 0;
1322 if (tb[NL80211_ATTR_IE]) {
1323 ies = nla_data(tb[NL80211_ATTR_IE]);
1324 ies_len = nla_len(tb[NL80211_ATTR_IE]);
1325 }
1326 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1327 drv_event_assoc(bss->ctx, addr, ies, ies_len, 0);
1328 return;
1329 }
1330
1331 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1332 return;
1333
1334 os_memset(&data, 0, sizeof(data));
1335 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1336 wpa_supplicant_event(bss->ctx, EVENT_IBSS_RSN_START, &data);
1337 }
1338
1339
1340 static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1341 struct i802_bss *bss,
1342 struct nlattr **tb)
1343 {
1344 u8 *addr;
1345 union wpa_event_data data;
1346
1347 if (tb[NL80211_ATTR_MAC] == NULL)
1348 return;
1349 addr = nla_data(tb[NL80211_ATTR_MAC]);
1350 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1351 MAC2STR(addr));
1352
1353 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1354 drv_event_disassoc(bss->ctx, addr);
1355 return;
1356 }
1357
1358 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1359 return;
1360
1361 os_memset(&data, 0, sizeof(data));
1362 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1363 wpa_supplicant_event(bss->ctx, EVENT_IBSS_PEER_LOST, &data);
1364 }
1365
1366
1367 static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1368 struct nlattr **tb)
1369 {
1370 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1371 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1372 [NL80211_REKEY_DATA_KEK] = {
1373 .minlen = NL80211_KEK_LEN,
1374 .maxlen = NL80211_KEK_LEN,
1375 },
1376 [NL80211_REKEY_DATA_KCK] = {
1377 .minlen = NL80211_KCK_LEN,
1378 .maxlen = NL80211_KCK_LEN,
1379 },
1380 [NL80211_REKEY_DATA_REPLAY_CTR] = {
1381 .minlen = NL80211_REPLAY_CTR_LEN,
1382 .maxlen = NL80211_REPLAY_CTR_LEN,
1383 },
1384 };
1385 union wpa_event_data data;
1386
1387 if (!tb[NL80211_ATTR_MAC] ||
1388 !tb[NL80211_ATTR_REKEY_DATA] ||
1389 nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1390 tb[NL80211_ATTR_REKEY_DATA], rekey_policy) ||
1391 !rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1392 return;
1393
1394 os_memset(&data, 0, sizeof(data));
1395 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1396 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1397 MAC2STR(data.driver_gtk_rekey.bssid));
1398 data.driver_gtk_rekey.replay_ctr =
1399 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1400 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1401 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1402 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1403 }
1404
1405
1406 static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1407 struct nlattr **tb)
1408 {
1409 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1410 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1411 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1412 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1413 .minlen = ETH_ALEN,
1414 .maxlen = ETH_ALEN,
1415 },
1416 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1417 };
1418 union wpa_event_data data;
1419
1420 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1421
1422 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE] ||
1423 nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1424 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy) ||
1425 !cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1426 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1427 return;
1428
1429 os_memset(&data, 0, sizeof(data));
1430 os_memcpy(data.pmkid_candidate.bssid,
1431 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1432 data.pmkid_candidate.index =
1433 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1434 data.pmkid_candidate.preauth =
1435 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1436 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1437 }
1438
1439
1440 static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1441 struct nlattr **tb)
1442 {
1443 union wpa_event_data data;
1444 const u8 *addr;
1445 u64 cookie = 0;
1446
1447 addr = nla_data(tb[NL80211_ATTR_MAC]);
1448 if (!addr)
1449 return;
1450 if (tb[NL80211_ATTR_COOKIE])
1451 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
1452 wpa_printf(MSG_DEBUG, "nl80211: Probe client event (addr=" MACSTR
1453 " ack=%d cookie=%llu)", MAC2STR(addr),
1454 tb[NL80211_ATTR_ACK] != NULL,
1455 (long long unsigned int) cookie);
1456 if (!tb[NL80211_ATTR_ACK])
1457 return;
1458
1459 os_memset(&data, 0, sizeof(data));
1460 os_memcpy(data.client_poll.addr, addr, ETH_ALEN);
1461 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1462 }
1463
1464
1465 static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1466 struct nlattr **tb)
1467 {
1468 union wpa_event_data data;
1469
1470 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1471
1472 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1473 return;
1474
1475 os_memset(&data, 0, sizeof(data));
1476 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1477 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1478 case NL80211_TDLS_SETUP:
1479 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1480 MACSTR, MAC2STR(data.tdls.peer));
1481 data.tdls.oper = TDLS_REQUEST_SETUP;
1482 break;
1483 case NL80211_TDLS_TEARDOWN:
1484 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1485 MACSTR, MAC2STR(data.tdls.peer));
1486 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1487 break;
1488 case NL80211_TDLS_DISCOVERY_REQ:
1489 wpa_printf(MSG_DEBUG,
1490 "nl80211: TDLS discovery request for peer " MACSTR,
1491 MAC2STR(data.tdls.peer));
1492 data.tdls.oper = TDLS_REQUEST_DISCOVER;
1493 break;
1494 default:
1495 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1496 "event");
1497 return;
1498 }
1499 if (tb[NL80211_ATTR_REASON_CODE]) {
1500 data.tdls.reason_code =
1501 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1502 }
1503
1504 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1505 }
1506
1507
1508 static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1509 struct nlattr **tb)
1510 {
1511 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1512 }
1513
1514
1515 static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1516 struct nlattr **tb)
1517 {
1518 union wpa_event_data data;
1519 u32 reason;
1520
1521 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1522
1523 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1524 return;
1525
1526 os_memset(&data, 0, sizeof(data));
1527 os_memcpy(data.connect_failed_reason.addr,
1528 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1529
1530 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1531 switch (reason) {
1532 case NL80211_CONN_FAIL_MAX_CLIENTS:
1533 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1534 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1535 break;
1536 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1537 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1538 " tried to connect",
1539 MAC2STR(data.connect_failed_reason.addr));
1540 data.connect_failed_reason.code = BLOCKED_CLIENT;
1541 break;
1542 default:
1543 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1544 "%u", reason);
1545 return;
1546 }
1547
1548 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1549 }
1550
1551
1552 static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1553 struct nlattr **tb)
1554 {
1555 union wpa_event_data data;
1556 enum nl80211_radar_event event_type;
1557
1558 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1559 return;
1560
1561 os_memset(&data, 0, sizeof(data));
1562 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1563 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1564
1565 /* Check HT params */
1566 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1567 data.dfs_event.ht_enabled = 1;
1568 data.dfs_event.chan_offset = 0;
1569
1570 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1571 case NL80211_CHAN_NO_HT:
1572 data.dfs_event.ht_enabled = 0;
1573 break;
1574 case NL80211_CHAN_HT20:
1575 break;
1576 case NL80211_CHAN_HT40PLUS:
1577 data.dfs_event.chan_offset = 1;
1578 break;
1579 case NL80211_CHAN_HT40MINUS:
1580 data.dfs_event.chan_offset = -1;
1581 break;
1582 }
1583 }
1584
1585 /* Get VHT params */
1586 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1587 data.dfs_event.chan_width =
1588 convert2width(nla_get_u32(
1589 tb[NL80211_ATTR_CHANNEL_WIDTH]));
1590 if (tb[NL80211_ATTR_CENTER_FREQ1])
1591 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1592 if (tb[NL80211_ATTR_CENTER_FREQ2])
1593 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1594
1595 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1596 data.dfs_event.freq, data.dfs_event.ht_enabled,
1597 data.dfs_event.chan_offset, data.dfs_event.chan_width,
1598 data.dfs_event.cf1, data.dfs_event.cf2);
1599
1600 switch (event_type) {
1601 case NL80211_RADAR_DETECTED:
1602 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1603 break;
1604 case NL80211_RADAR_CAC_FINISHED:
1605 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1606 break;
1607 case NL80211_RADAR_CAC_ABORTED:
1608 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1609 break;
1610 case NL80211_RADAR_NOP_FINISHED:
1611 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1612 break;
1613 case NL80211_RADAR_PRE_CAC_EXPIRED:
1614 wpa_supplicant_event(drv->ctx, EVENT_DFS_PRE_CAC_EXPIRED,
1615 &data);
1616 break;
1617 case NL80211_RADAR_CAC_STARTED:
1618 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1619 break;
1620 default:
1621 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1622 "received", event_type);
1623 break;
1624 }
1625 }
1626
1627
1628 static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1629 int wds)
1630 {
1631 struct wpa_driver_nl80211_data *drv = bss->drv;
1632 union wpa_event_data event;
1633
1634 if (!tb[NL80211_ATTR_MAC])
1635 return;
1636
1637 os_memset(&event, 0, sizeof(event));
1638 event.rx_from_unknown.bssid = bss->addr;
1639 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1640 event.rx_from_unknown.wds = wds;
1641
1642 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1643 }
1644
1645
1646 #ifdef CONFIG_DRIVER_NL80211_QCA
1647
1648 static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1649 const u8 *data, size_t len)
1650 {
1651 u32 i, count;
1652 union wpa_event_data event;
1653 struct wpa_freq_range *range = NULL;
1654 const struct qca_avoid_freq_list *freq_range;
1655
1656 freq_range = (const struct qca_avoid_freq_list *) data;
1657 if (len < sizeof(freq_range->count))
1658 return;
1659
1660 count = freq_range->count;
1661 if (len < sizeof(freq_range->count) +
1662 count * sizeof(struct qca_avoid_freq_range)) {
1663 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1664 (unsigned int) len);
1665 return;
1666 }
1667
1668 if (count > 0) {
1669 range = os_calloc(count, sizeof(struct wpa_freq_range));
1670 if (range == NULL)
1671 return;
1672 }
1673
1674 os_memset(&event, 0, sizeof(event));
1675 for (i = 0; i < count; i++) {
1676 unsigned int idx = event.freq_range.num;
1677 range[idx].min = freq_range->range[i].start_freq;
1678 range[idx].max = freq_range->range[i].end_freq;
1679 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1680 range[idx].min, range[idx].max);
1681 if (range[idx].min > range[idx].max) {
1682 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1683 continue;
1684 }
1685 event.freq_range.num++;
1686 }
1687 event.freq_range.range = range;
1688
1689 wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1690
1691 os_free(range);
1692 }
1693
1694
1695 static enum hostapd_hw_mode get_qca_hw_mode(u8 hw_mode)
1696 {
1697 switch (hw_mode) {
1698 case QCA_ACS_MODE_IEEE80211B:
1699 return HOSTAPD_MODE_IEEE80211B;
1700 case QCA_ACS_MODE_IEEE80211G:
1701 return HOSTAPD_MODE_IEEE80211G;
1702 case QCA_ACS_MODE_IEEE80211A:
1703 return HOSTAPD_MODE_IEEE80211A;
1704 case QCA_ACS_MODE_IEEE80211AD:
1705 return HOSTAPD_MODE_IEEE80211AD;
1706 case QCA_ACS_MODE_IEEE80211ANY:
1707 return HOSTAPD_MODE_IEEE80211ANY;
1708 default:
1709 return NUM_HOSTAPD_MODES;
1710 }
1711 }
1712
1713
1714 static void qca_nl80211_acs_select_ch(struct wpa_driver_nl80211_data *drv,
1715 const u8 *data, size_t len)
1716 {
1717 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ACS_MAX + 1];
1718 union wpa_event_data event;
1719
1720 wpa_printf(MSG_DEBUG,
1721 "nl80211: ACS channel selection vendor event received");
1722
1723 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ACS_MAX,
1724 (struct nlattr *) data, len, NULL) ||
1725 !tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL] ||
1726 !tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL])
1727 return;
1728
1729 os_memset(&event, 0, sizeof(event));
1730 event.acs_selected_channels.pri_channel =
1731 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_PRIMARY_CHANNEL]);
1732 event.acs_selected_channels.sec_channel =
1733 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_SECONDARY_CHANNEL]);
1734 if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1735 event.acs_selected_channels.vht_seg0_center_ch =
1736 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL]);
1737 if (tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG0_CENTER_CHANNEL])
1738 event.acs_selected_channels.vht_seg1_center_ch =
1739 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_VHT_SEG1_CENTER_CHANNEL]);
1740 if (tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH])
1741 event.acs_selected_channels.ch_width =
1742 nla_get_u16(tb[QCA_WLAN_VENDOR_ATTR_ACS_CHWIDTH]);
1743 if (tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]) {
1744 u8 hw_mode = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_ACS_HW_MODE]);
1745
1746 event.acs_selected_channels.hw_mode = get_qca_hw_mode(hw_mode);
1747 if (event.acs_selected_channels.hw_mode == NUM_HOSTAPD_MODES ||
1748 event.acs_selected_channels.hw_mode ==
1749 HOSTAPD_MODE_IEEE80211ANY) {
1750 wpa_printf(MSG_DEBUG,
1751 "nl80211: Invalid hw_mode %d in ACS selection event",
1752 hw_mode);
1753 return;
1754 }
1755 }
1756
1757 wpa_printf(MSG_INFO,
1758 "nl80211: ACS Results: PCH: %d SCH: %d BW: %d VHT0: %d VHT1: %d HW_MODE: %d",
1759 event.acs_selected_channels.pri_channel,
1760 event.acs_selected_channels.sec_channel,
1761 event.acs_selected_channels.ch_width,
1762 event.acs_selected_channels.vht_seg0_center_ch,
1763 event.acs_selected_channels.vht_seg1_center_ch,
1764 event.acs_selected_channels.hw_mode);
1765
1766 /* Ignore ACS channel list check for backwards compatibility */
1767
1768 wpa_supplicant_event(drv->ctx, EVENT_ACS_CHANNEL_SELECTED, &event);
1769 }
1770
1771
1772 static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1773 const u8 *data, size_t len)
1774 {
1775 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1776 u8 *bssid;
1777
1778 wpa_printf(MSG_DEBUG,
1779 "nl80211: Key management roam+auth vendor event received");
1780
1781 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1782 (struct nlattr *) data, len, NULL) ||
1783 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1784 nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1785 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1786 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1787 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1788 return;
1789
1790 bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1791 wpa_printf(MSG_DEBUG, " * roam BSSID " MACSTR, MAC2STR(bssid));
1792
1793 mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1794 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1795 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1796 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1797 NULL, NULL,
1798 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1799 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1800 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1801 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK],
1802 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_SUBNET_STATUS],
1803 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_FILS_ERP_NEXT_SEQ_NUM],
1804 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMK],
1805 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PMKID]);
1806 }
1807
1808
1809 static void qca_nl80211_dfs_offload_radar_event(
1810 struct wpa_driver_nl80211_data *drv, u32 subcmd, u8 *msg, int length)
1811 {
1812 union wpa_event_data data;
1813 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1814
1815 wpa_printf(MSG_DEBUG,
1816 "nl80211: DFS offload radar vendor event received");
1817
1818 if (nla_parse(tb, NL80211_ATTR_MAX,
1819 (struct nlattr *) msg, length, NULL))
1820 return;
1821
1822 if (!tb[NL80211_ATTR_WIPHY_FREQ]) {
1823 wpa_printf(MSG_INFO,
1824 "nl80211: Error parsing WIPHY_FREQ in FS offload radar vendor event");
1825 return;
1826 }
1827
1828 os_memset(&data, 0, sizeof(data));
1829 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1830
1831 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz",
1832 data.dfs_event.freq);
1833
1834 /* Check HT params */
1835 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1836 data.dfs_event.ht_enabled = 1;
1837 data.dfs_event.chan_offset = 0;
1838
1839 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1840 case NL80211_CHAN_NO_HT:
1841 data.dfs_event.ht_enabled = 0;
1842 break;
1843 case NL80211_CHAN_HT20:
1844 break;
1845 case NL80211_CHAN_HT40PLUS:
1846 data.dfs_event.chan_offset = 1;
1847 break;
1848 case NL80211_CHAN_HT40MINUS:
1849 data.dfs_event.chan_offset = -1;
1850 break;
1851 }
1852 }
1853
1854 /* Get VHT params */
1855 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1856 data.dfs_event.chan_width =
1857 convert2width(nla_get_u32(
1858 tb[NL80211_ATTR_CHANNEL_WIDTH]));
1859 if (tb[NL80211_ATTR_CENTER_FREQ1])
1860 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1861 if (tb[NL80211_ATTR_CENTER_FREQ2])
1862 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1863
1864 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, "
1865 "offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1866 data.dfs_event.freq, data.dfs_event.ht_enabled,
1867 data.dfs_event.chan_offset, data.dfs_event.chan_width,
1868 data.dfs_event.cf1, data.dfs_event.cf2);
1869
1870 switch (subcmd) {
1871 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
1872 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1873 break;
1874 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
1875 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_STARTED, &data);
1876 break;
1877 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
1878 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1879 break;
1880 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
1881 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1882 break;
1883 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
1884 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1885 break;
1886 default:
1887 wpa_printf(MSG_DEBUG,
1888 "nl80211: Unknown DFS offload radar event %d received",
1889 subcmd);
1890 break;
1891 }
1892 }
1893
1894
1895 static void qca_nl80211_scan_trigger_event(struct wpa_driver_nl80211_data *drv,
1896 u8 *data, size_t len)
1897 {
1898 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1899 u64 cookie = 0;
1900 union wpa_event_data event;
1901 struct scan_info *info;
1902
1903 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1904 (struct nlattr *) data, len, NULL) ||
1905 !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1906 return;
1907
1908 cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
1909 if (cookie != drv->vendor_scan_cookie) {
1910 /* External scan trigger event, ignore */
1911 return;
1912 }
1913
1914 /* Cookie match, own scan */
1915 os_memset(&event, 0, sizeof(event));
1916 info = &event.scan_info;
1917 info->external_scan = 0;
1918 info->nl_scan_event = 0;
1919
1920 drv->scan_state = SCAN_STARTED;
1921 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, &event);
1922 }
1923
1924
1925 static void send_vendor_scan_event(struct wpa_driver_nl80211_data *drv,
1926 int aborted, struct nlattr *tb[],
1927 int external_scan)
1928 {
1929 union wpa_event_data event;
1930 struct nlattr *nl;
1931 int rem;
1932 struct scan_info *info;
1933 int freqs[MAX_REPORT_FREQS];
1934 int num_freqs = 0;
1935
1936 os_memset(&event, 0, sizeof(event));
1937 info = &event.scan_info;
1938 info->aborted = aborted;
1939 info->external_scan = external_scan;
1940
1941 if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS]) {
1942 nla_for_each_nested(nl,
1943 tb[QCA_WLAN_VENDOR_ATTR_SCAN_SSIDS], rem) {
1944 struct wpa_driver_scan_ssid *s =
1945 &info->ssids[info->num_ssids];
1946 s->ssid = nla_data(nl);
1947 s->ssid_len = nla_len(nl);
1948 wpa_printf(MSG_DEBUG,
1949 "nl80211: Scan probed for SSID '%s'",
1950 wpa_ssid_txt(s->ssid, s->ssid_len));
1951 info->num_ssids++;
1952 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
1953 break;
1954 }
1955 }
1956
1957 if (tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES]) {
1958 char msg[300], *pos, *end;
1959 int res;
1960
1961 pos = msg;
1962 end = pos + sizeof(msg);
1963 *pos = '\0';
1964
1965 nla_for_each_nested(nl,
1966 tb[QCA_WLAN_VENDOR_ATTR_SCAN_FREQUENCIES],
1967 rem) {
1968 freqs[num_freqs] = nla_get_u32(nl);
1969 res = os_snprintf(pos, end - pos, " %d",
1970 freqs[num_freqs]);
1971 if (!os_snprintf_error(end - pos, res))
1972 pos += res;
1973 num_freqs++;
1974 if (num_freqs == MAX_REPORT_FREQS - 1)
1975 break;
1976 }
1977
1978 info->freqs = freqs;
1979 info->num_freqs = num_freqs;
1980 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
1981 msg);
1982 }
1983 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
1984 }
1985
1986
1987 static void qca_nl80211_scan_done_event(struct wpa_driver_nl80211_data *drv,
1988 u8 *data, size_t len)
1989 {
1990 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_SCAN_MAX + 1];
1991 u64 cookie = 0;
1992 enum scan_status status;
1993 int external_scan;
1994
1995 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_SCAN_MAX,
1996 (struct nlattr *) data, len, NULL) ||
1997 !tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS] ||
1998 !tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE])
1999 return;
2000
2001 status = nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_SCAN_STATUS]);
2002 if (status >= VENDOR_SCAN_STATUS_MAX)
2003 return; /* invalid status */
2004
2005 cookie = nla_get_u64(tb[QCA_WLAN_VENDOR_ATTR_SCAN_COOKIE]);
2006 if (cookie != drv->vendor_scan_cookie) {
2007 /* Event from an external scan, get scan results */
2008 external_scan = 1;
2009 } else {
2010 external_scan = 0;
2011 if (status == VENDOR_SCAN_STATUS_NEW_RESULTS)
2012 drv->scan_state = SCAN_COMPLETED;
2013 else
2014 drv->scan_state = SCAN_ABORTED;
2015
2016 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
2017 drv->ctx);
2018 drv->vendor_scan_cookie = 0;
2019 drv->last_scan_cmd = 0;
2020 }
2021
2022 send_vendor_scan_event(drv, (status == VENDOR_SCAN_STATUS_ABORTED), tb,
2023 external_scan);
2024 }
2025
2026
2027 static void qca_nl80211_p2p_lo_stop_event(struct wpa_driver_nl80211_data *drv,
2028 u8 *data, size_t len)
2029 {
2030 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX + 1];
2031 union wpa_event_data event;
2032
2033 wpa_printf(MSG_DEBUG,
2034 "nl80211: P2P listen offload stop vendor event received");
2035
2036 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_MAX,
2037 (struct nlattr *) data, len, NULL) ||
2038 !tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON])
2039 return;
2040
2041 os_memset(&event, 0, sizeof(event));
2042 event.p2p_lo_stop.reason_code =
2043 nla_get_u8(tb[QCA_WLAN_VENDOR_ATTR_P2P_LISTEN_OFFLOAD_STOP_REASON]);
2044
2045 wpa_printf(MSG_DEBUG,
2046 "nl80211: P2P Listen offload stop reason: %d",
2047 event.p2p_lo_stop.reason_code);
2048 wpa_supplicant_event(drv->ctx, EVENT_P2P_LO_STOP, &event);
2049 }
2050
2051 #endif /* CONFIG_DRIVER_NL80211_QCA */
2052
2053
2054 static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
2055 u32 subcmd, u8 *data, size_t len)
2056 {
2057 switch (subcmd) {
2058 case QCA_NL80211_VENDOR_SUBCMD_TEST:
2059 wpa_hexdump(MSG_DEBUG, "nl80211: QCA test event", data, len);
2060 break;
2061 #ifdef CONFIG_DRIVER_NL80211_QCA
2062 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
2063 qca_nl80211_avoid_freq(drv, data, len);
2064 break;
2065 case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
2066 qca_nl80211_key_mgmt_auth(drv, data, len);
2067 break;
2068 case QCA_NL80211_VENDOR_SUBCMD_DO_ACS:
2069 qca_nl80211_acs_select_ch(drv, data, len);
2070 break;
2071 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_STARTED:
2072 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_FINISHED:
2073 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_ABORTED:
2074 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_CAC_NOP_FINISHED:
2075 case QCA_NL80211_VENDOR_SUBCMD_DFS_OFFLOAD_RADAR_DETECTED:
2076 qca_nl80211_dfs_offload_radar_event(drv, subcmd, data, len);
2077 break;
2078 case QCA_NL80211_VENDOR_SUBCMD_TRIGGER_SCAN:
2079 qca_nl80211_scan_trigger_event(drv, data, len);
2080 break;
2081 case QCA_NL80211_VENDOR_SUBCMD_SCAN_DONE:
2082 qca_nl80211_scan_done_event(drv, data, len);
2083 break;
2084 case QCA_NL80211_VENDOR_SUBCMD_P2P_LISTEN_OFFLOAD_STOP:
2085 qca_nl80211_p2p_lo_stop_event(drv, data, len);
2086 break;
2087 #endif /* CONFIG_DRIVER_NL80211_QCA */
2088 default:
2089 wpa_printf(MSG_DEBUG,
2090 "nl80211: Ignore unsupported QCA vendor event %u",
2091 subcmd);
2092 break;
2093 }
2094 }
2095
2096
2097 static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
2098 struct nlattr **tb)
2099 {
2100 u32 vendor_id, subcmd, wiphy = 0;
2101 int wiphy_idx;
2102 u8 *data = NULL;
2103 size_t len = 0;
2104
2105 if (!tb[NL80211_ATTR_VENDOR_ID] ||
2106 !tb[NL80211_ATTR_VENDOR_SUBCMD])
2107 return;
2108
2109 vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
2110 subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
2111
2112 if (tb[NL80211_ATTR_WIPHY])
2113 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2114
2115 wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
2116 wiphy, vendor_id, subcmd);
2117
2118 if (tb[NL80211_ATTR_VENDOR_DATA]) {
2119 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
2120 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
2121 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
2122 }
2123
2124 wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
2125 if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
2126 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
2127 wiphy, wiphy_idx);
2128 return;
2129 }
2130
2131 switch (vendor_id) {
2132 case OUI_QCA:
2133 nl80211_vendor_event_qca(drv, subcmd, data, len);
2134 break;
2135 default:
2136 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
2137 break;
2138 }
2139 }
2140
2141
2142 static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
2143 struct nlattr *tb[])
2144 {
2145 union wpa_event_data data;
2146 enum nl80211_reg_initiator init;
2147
2148 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
2149
2150 if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
2151 return;
2152
2153 os_memset(&data, 0, sizeof(data));
2154 init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
2155 wpa_printf(MSG_DEBUG, " * initiator=%d", init);
2156 switch (init) {
2157 case NL80211_REGDOM_SET_BY_CORE:
2158 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
2159 break;
2160 case NL80211_REGDOM_SET_BY_USER:
2161 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
2162 break;
2163 case NL80211_REGDOM_SET_BY_DRIVER:
2164 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
2165 break;
2166 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
2167 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
2168 break;
2169 }
2170
2171 if (tb[NL80211_ATTR_REG_TYPE]) {
2172 enum nl80211_reg_type type;
2173 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
2174 wpa_printf(MSG_DEBUG, " * type=%d", type);
2175 switch (type) {
2176 case NL80211_REGDOM_TYPE_COUNTRY:
2177 data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
2178 break;
2179 case NL80211_REGDOM_TYPE_WORLD:
2180 data.channel_list_changed.type = REGDOM_TYPE_WORLD;
2181 break;
2182 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
2183 data.channel_list_changed.type =
2184 REGDOM_TYPE_CUSTOM_WORLD;
2185 break;
2186 case NL80211_REGDOM_TYPE_INTERSECTION:
2187 data.channel_list_changed.type =
2188 REGDOM_TYPE_INTERSECTION;
2189 break;
2190 }
2191 }
2192
2193 if (tb[NL80211_ATTR_REG_ALPHA2]) {
2194 os_strlcpy(data.channel_list_changed.alpha2,
2195 nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
2196 sizeof(data.channel_list_changed.alpha2));
2197 wpa_printf(MSG_DEBUG, " * alpha2=%s",
2198 data.channel_list_changed.alpha2);
2199 }
2200
2201 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2202 }
2203
2204
2205 static void nl80211_dump_freq(const char *title, struct nlattr *nl_freq)
2206 {
2207 static struct nla_policy freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
2208 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
2209 [NL80211_FREQUENCY_ATTR_DISABLED] = { .type = NLA_FLAG },
2210 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
2211 [NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
2212 [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
2213 };
2214 struct nlattr *tb[NL80211_FREQUENCY_ATTR_MAX + 1];
2215 u32 freq = 0, max_tx_power = 0;
2216
2217 nla_parse(tb, NL80211_FREQUENCY_ATTR_MAX,
2218 nla_data(nl_freq), nla_len(nl_freq), freq_policy);
2219
2220 if (tb[NL80211_FREQUENCY_ATTR_FREQ])
2221 freq = nla_get_u32(tb[NL80211_FREQUENCY_ATTR_FREQ]);
2222 if (tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER])
2223 max_tx_power =
2224 nla_get_u32(tb[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]);
2225
2226 wpa_printf(MSG_DEBUG,
2227 "nl80211: Channel (%s): freq=%u max_tx_power=%u%s%s%s",
2228 title, freq, max_tx_power,
2229 tb[NL80211_FREQUENCY_ATTR_DISABLED] ? " disabled" : "",
2230 tb[NL80211_FREQUENCY_ATTR_NO_IR] ? " no-IR" : "",
2231 tb[NL80211_FREQUENCY_ATTR_RADAR] ? " radar" : "");
2232 }
2233
2234
2235 static void nl80211_reg_beacon_hint_event(struct wpa_driver_nl80211_data *drv,
2236 struct nlattr *tb[])
2237 {
2238 union wpa_event_data data;
2239
2240 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
2241 os_memset(&data, 0, sizeof(data));
2242 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
2243
2244 if (tb[NL80211_ATTR_FREQ_BEFORE])
2245 nl80211_dump_freq("before", tb[NL80211_ATTR_FREQ_BEFORE]);
2246 if (tb[NL80211_ATTR_FREQ_AFTER])
2247 nl80211_dump_freq("after", tb[NL80211_ATTR_FREQ_AFTER]);
2248
2249 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
2250 }
2251
2252
2253 static void nl80211_external_auth(struct wpa_driver_nl80211_data *drv,
2254 struct nlattr **tb)
2255 {
2256 union wpa_event_data event;
2257 enum nl80211_external_auth_action act;
2258
2259 if (!tb[NL80211_ATTR_AKM_SUITES] ||
2260 !tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION] ||
2261 !tb[NL80211_ATTR_BSSID] ||
2262 !tb[NL80211_ATTR_SSID])
2263 return;
2264
2265 os_memset(&event, 0, sizeof(event));
2266 act = nla_get_u32(tb[NL80211_ATTR_EXTERNAL_AUTH_ACTION]);
2267 switch (act) {
2268 case NL80211_EXTERNAL_AUTH_START:
2269 event.external_auth.action = EXT_AUTH_START;
2270 break;
2271 case NL80211_EXTERNAL_AUTH_ABORT:
2272 event.external_auth.action = EXT_AUTH_ABORT;
2273 break;
2274 default:
2275 return;
2276 }
2277
2278 event.external_auth.key_mgmt_suite =
2279 nla_get_u32(tb[NL80211_ATTR_AKM_SUITES]);
2280
2281 event.external_auth.ssid_len = nla_len(tb[NL80211_ATTR_SSID]);
2282 if (event.external_auth.ssid_len > SSID_MAX_LEN)
2283 return;
2284 event.external_auth.ssid = nla_data(tb[NL80211_ATTR_SSID]);
2285
2286 event.external_auth.bssid = nla_data(tb[NL80211_ATTR_BSSID]);
2287
2288 wpa_printf(MSG_DEBUG,
2289 "nl80211: External auth action: %u, AKM: 0x%x",
2290 event.external_auth.action,
2291 event.external_auth.key_mgmt_suite);
2292 wpa_supplicant_event(drv->ctx, EVENT_EXTERNAL_AUTH, &event);
2293 }
2294
2295
2296 static void nl80211_port_authorized(struct wpa_driver_nl80211_data *drv,
2297 struct nlattr **tb)
2298 {
2299 const u8 *addr;
2300
2301 if (!tb[NL80211_ATTR_MAC] ||
2302 nla_len(tb[NL80211_ATTR_MAC]) != ETH_ALEN) {
2303 wpa_printf(MSG_DEBUG,
2304 "nl80211: Ignore port authorized event without BSSID");
2305 return;
2306 }
2307
2308 addr = nla_data(tb[NL80211_ATTR_MAC]);
2309 if (os_memcmp(addr, drv->bssid, ETH_ALEN) != 0) {
2310 wpa_printf(MSG_DEBUG,
2311 "nl80211: Ignore port authorized event for " MACSTR
2312 " (not the currently connected BSSID " MACSTR ")",
2313 MAC2STR(addr), MAC2STR(drv->bssid));
2314 return;
2315 }
2316
2317 wpa_supplicant_event(drv->ctx, EVENT_PORT_AUTHORIZED, NULL);
2318 }
2319
2320
2321 static void nl80211_sta_opmode_change_event(struct wpa_driver_nl80211_data *drv,
2322 struct nlattr **tb)
2323 {
2324 union wpa_event_data ed;
2325 u8 smps_mode, max_bw;
2326
2327 if (!tb[NL80211_ATTR_MAC] ||
2328 (!tb[NL80211_ATTR_CHANNEL_WIDTH] &&
2329 !tb[NL80211_ATTR_SMPS_MODE] &&
2330 !tb[NL80211_ATTR_NSS]))
2331 return;
2332
2333 ed.sta_opmode.smps_mode = SMPS_INVALID;
2334 ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2335 ed.sta_opmode.rx_nss = 0xff;
2336 ed.sta_opmode.addr = nla_data(tb[NL80211_ATTR_MAC]);
2337
2338 if (tb[NL80211_ATTR_SMPS_MODE]) {
2339 smps_mode = nla_get_u8(tb[NL80211_ATTR_SMPS_MODE]);
2340 switch (smps_mode) {
2341 case NL80211_SMPS_OFF:
2342 ed.sta_opmode.smps_mode = SMPS_OFF;
2343 break;
2344 case NL80211_SMPS_STATIC:
2345 ed.sta_opmode.smps_mode = SMPS_STATIC;
2346 break;
2347 case NL80211_SMPS_DYNAMIC:
2348 ed.sta_opmode.smps_mode = SMPS_DYNAMIC;
2349 break;
2350 default:
2351 ed.sta_opmode.smps_mode = SMPS_INVALID;
2352 break;
2353 }
2354 }
2355
2356 if (tb[NL80211_ATTR_CHANNEL_WIDTH]) {
2357 max_bw = nla_get_u32(tb[NL80211_ATTR_CHANNEL_WIDTH]);
2358 switch (max_bw) {
2359 case NL80211_CHAN_WIDTH_20_NOHT:
2360 ed.sta_opmode.chan_width = CHAN_WIDTH_20_NOHT;
2361 break;
2362 case NL80211_CHAN_WIDTH_20:
2363 ed.sta_opmode.chan_width = CHAN_WIDTH_20;
2364 break;
2365 case NL80211_CHAN_WIDTH_40:
2366 ed.sta_opmode.chan_width = CHAN_WIDTH_40;
2367 break;
2368 case NL80211_CHAN_WIDTH_80:
2369 ed.sta_opmode.chan_width = CHAN_WIDTH_80;
2370 break;
2371 case NL80211_CHAN_WIDTH_80P80:
2372 ed.sta_opmode.chan_width = CHAN_WIDTH_80P80;
2373 break;
2374 case NL80211_CHAN_WIDTH_160:
2375 ed.sta_opmode.chan_width = CHAN_WIDTH_160;
2376 break;
2377 default:
2378 ed.sta_opmode.chan_width = CHAN_WIDTH_UNKNOWN;
2379 break;
2380
2381 }
2382 }
2383
2384 if (tb[NL80211_ATTR_NSS])
2385 ed.sta_opmode.rx_nss = nla_get_u8(tb[NL80211_ATTR_NSS]);
2386
2387 wpa_supplicant_event(drv->ctx, EVENT_STATION_OPMODE_CHANGED, &ed);
2388 }
2389
2390
2391 static void do_process_drv_event(struct i802_bss *bss, int cmd,
2392 struct nlattr **tb)
2393 {
2394 struct wpa_driver_nl80211_data *drv = bss->drv;
2395 int external_scan_event = 0;
2396
2397 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
2398 cmd, nl80211_command_to_string(cmd), bss->ifname);
2399
2400 if (cmd == NL80211_CMD_ROAM &&
2401 (drv->capa.flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD)) {
2402 /*
2403 * Device will use roam+auth vendor event to indicate
2404 * roaming, so ignore the regular roam event.
2405 */
2406 wpa_printf(MSG_DEBUG,
2407 "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
2408 cmd);
2409 return;
2410 }
2411
2412 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
2413 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
2414 cmd == NL80211_CMD_SCAN_ABORTED)) {
2415 wpa_driver_nl80211_set_mode(drv->first_bss,
2416 drv->ap_scan_as_station);
2417 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
2418 }
2419
2420 switch (cmd) {
2421 case NL80211_CMD_TRIGGER_SCAN:
2422 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
2423 drv->scan_state = SCAN_STARTED;
2424 if (drv->scan_for_auth) {
2425 /*
2426 * Cannot indicate EVENT_SCAN_STARTED here since we skip
2427 * EVENT_SCAN_RESULTS in scan_for_auth case and the
2428 * upper layer implementation could get confused about
2429 * scanning state.
2430 */
2431 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
2432 break;
2433 }
2434 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
2435 break;
2436 case NL80211_CMD_START_SCHED_SCAN:
2437 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
2438 drv->scan_state = SCHED_SCAN_STARTED;
2439 break;
2440 case NL80211_CMD_SCHED_SCAN_STOPPED:
2441 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
2442 drv->scan_state = SCHED_SCAN_STOPPED;
2443 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
2444 break;
2445 case NL80211_CMD_NEW_SCAN_RESULTS:
2446 wpa_dbg(drv->ctx, MSG_DEBUG,
2447 "nl80211: New scan results available");
2448 if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2449 drv->scan_state = SCAN_COMPLETED;
2450 drv->scan_complete_events = 1;
2451 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2452 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2453 drv, drv->ctx);
2454 drv->last_scan_cmd = 0;
2455 } else {
2456 external_scan_event = 1;
2457 }
2458 send_scan_event(drv, 0, tb, external_scan_event);
2459 break;
2460 case NL80211_CMD_SCHED_SCAN_RESULTS:
2461 wpa_dbg(drv->ctx, MSG_DEBUG,
2462 "nl80211: New sched scan results available");
2463 drv->scan_state = SCHED_SCAN_RESULTS;
2464 send_scan_event(drv, 0, tb, 0);
2465 break;
2466 case NL80211_CMD_SCAN_ABORTED:
2467 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
2468 if (drv->last_scan_cmd != NL80211_CMD_VENDOR)
2469 drv->scan_state = SCAN_ABORTED;
2470 if (drv->last_scan_cmd == NL80211_CMD_TRIGGER_SCAN) {
2471 /*
2472 * Need to indicate that scan results are available in
2473 * order not to make wpa_supplicant stop its scanning.
2474 */
2475 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout,
2476 drv, drv->ctx);
2477 drv->last_scan_cmd = 0;
2478 } else {
2479 external_scan_event = 1;
2480 }
2481 send_scan_event(drv, 1, tb, external_scan_event);
2482 break;
2483 case NL80211_CMD_AUTHENTICATE:
2484 case NL80211_CMD_ASSOCIATE:
2485 case NL80211_CMD_DEAUTHENTICATE:
2486 case NL80211_CMD_DISASSOCIATE:
2487 case NL80211_CMD_FRAME_TX_STATUS:
2488 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
2489 case NL80211_CMD_UNPROT_DISASSOCIATE:
2490 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
2491 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2492 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2493 tb[NL80211_ATTR_COOKIE],
2494 tb[NL80211_ATTR_RX_SIGNAL_DBM],
2495 tb[NL80211_ATTR_STA_WME],
2496 tb[NL80211_ATTR_REQ_IE]);
2497 break;
2498 case NL80211_CMD_CONNECT:
2499 case NL80211_CMD_ROAM:
2500 mlme_event_connect(drv, cmd,
2501 tb[NL80211_ATTR_STATUS_CODE],
2502 tb[NL80211_ATTR_MAC],
2503 tb[NL80211_ATTR_REQ_IE],
2504 tb[NL80211_ATTR_RESP_IE],
2505 tb[NL80211_ATTR_TIMED_OUT],
2506 tb[NL80211_ATTR_TIMEOUT_REASON],
2507 NULL, NULL, NULL,
2508 tb[NL80211_ATTR_FILS_KEK],
2509 NULL,
2510 tb[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM],
2511 tb[NL80211_ATTR_PMK],
2512 tb[NL80211_ATTR_PMKID]);
2513 break;
2514 case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
2515 mlme_event_ch_switch(drv,
2516 tb[NL80211_ATTR_IFINDEX],
2517 tb[NL80211_ATTR_WIPHY_FREQ],
2518 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2519 tb[NL80211_ATTR_CHANNEL_WIDTH],
2520 tb[NL80211_ATTR_CENTER_FREQ1],
2521 tb[NL80211_ATTR_CENTER_FREQ2],
2522 0);
2523 break;
2524 case NL80211_CMD_CH_SWITCH_NOTIFY:
2525 mlme_event_ch_switch(drv,
2526 tb[NL80211_ATTR_IFINDEX],
2527 tb[NL80211_ATTR_WIPHY_FREQ],
2528 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
2529 tb[NL80211_ATTR_CHANNEL_WIDTH],
2530 tb[NL80211_ATTR_CENTER_FREQ1],
2531 tb[NL80211_ATTR_CENTER_FREQ2],
2532 1);
2533 break;
2534 case NL80211_CMD_DISCONNECT:
2535 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
2536 tb[NL80211_ATTR_MAC],
2537 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
2538 break;
2539 case NL80211_CMD_MICHAEL_MIC_FAILURE:
2540 mlme_event_michael_mic_failure(bss, tb);
2541 break;
2542 case NL80211_CMD_JOIN_IBSS:
2543 mlme_event_join_ibss(drv, tb);
2544 break;
2545 case NL80211_CMD_REMAIN_ON_CHANNEL:
2546 mlme_event_remain_on_channel(drv, 0, tb);
2547 break;
2548 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
2549 mlme_event_remain_on_channel(drv, 1, tb);
2550 break;
2551 case NL80211_CMD_NOTIFY_CQM:
2552 nl80211_cqm_event(drv, tb);
2553 break;
2554 case NL80211_CMD_REG_CHANGE:
2555 case NL80211_CMD_WIPHY_REG_CHANGE:
2556 nl80211_reg_change_event(drv, tb);
2557 break;
2558 case NL80211_CMD_REG_BEACON_HINT:
2559 nl80211_reg_beacon_hint_event(drv, tb);
2560 break;
2561 case NL80211_CMD_NEW_STATION:
2562 nl80211_new_station_event(drv, bss, tb);
2563 break;
2564 case NL80211_CMD_DEL_STATION:
2565 nl80211_del_station_event(drv, bss, tb);
2566 break;
2567 case NL80211_CMD_SET_REKEY_OFFLOAD:
2568 nl80211_rekey_offload_event(drv, tb);
2569 break;
2570 case NL80211_CMD_PMKSA_CANDIDATE:
2571 nl80211_pmksa_candidate_event(drv, tb);
2572 break;
2573 case NL80211_CMD_PROBE_CLIENT:
2574 nl80211_client_probe_event(drv, tb);
2575 break;
2576 case NL80211_CMD_TDLS_OPER:
2577 nl80211_tdls_oper_event(drv, tb);
2578 break;
2579 case NL80211_CMD_CONN_FAILED:
2580 nl80211_connect_failed_event(drv, tb);
2581 break;
2582 case NL80211_CMD_FT_EVENT:
2583 mlme_event_ft_event(drv, tb);
2584 break;
2585 case NL80211_CMD_RADAR_DETECT:
2586 nl80211_radar_event(drv, tb);
2587 break;
2588 case NL80211_CMD_STOP_AP:
2589 nl80211_stop_ap(drv, tb);
2590 break;
2591 case NL80211_CMD_VENDOR:
2592 nl80211_vendor_event(drv, tb);
2593 break;
2594 case NL80211_CMD_NEW_PEER_CANDIDATE:
2595 nl80211_new_peer_candidate(drv, tb);
2596 break;
2597 case NL80211_CMD_PORT_AUTHORIZED:
2598 nl80211_port_authorized(drv, tb);
2599 break;
2600 case NL80211_CMD_STA_OPMODE_CHANGED:
2601 nl80211_sta_opmode_change_event(drv, tb);
2602 break;
2603 default:
2604 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
2605 "(cmd=%d)", cmd);
2606 break;
2607 }
2608 }
2609
2610
2611 int process_global_event(struct nl_msg *msg, void *arg)
2612 {
2613 struct nl80211_global *global = arg;
2614 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2615 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2616 struct wpa_driver_nl80211_data *drv, *tmp;
2617 int ifidx = -1, wiphy_idx = -1, wiphy_idx_rx = -1;
2618 struct i802_bss *bss;
2619 u64 wdev_id = 0;
2620 int wdev_id_set = 0;
2621 int wiphy_idx_set = 0;
2622
2623 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2624 genlmsg_attrlen(gnlh, 0), NULL);
2625
2626 if (tb[NL80211_ATTR_IFINDEX])
2627 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
2628 else if (tb[NL80211_ATTR_WDEV]) {
2629 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
2630 wdev_id_set = 1;
2631 } else if (tb[NL80211_ATTR_WIPHY]) {
2632 wiphy_idx_rx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
2633 wiphy_idx_set = 1;
2634 }
2635
2636 dl_list_for_each_safe(drv, tmp, &global->interfaces,
2637 struct wpa_driver_nl80211_data, list) {
2638 for (bss = drv->first_bss; bss; bss = bss->next) {
2639 if (wiphy_idx_set)
2640 wiphy_idx = nl80211_get_wiphy_index(bss);
2641 if ((ifidx == -1 && !wiphy_idx_set && !wdev_id_set) ||
2642 ifidx == bss->ifindex ||
2643 (wiphy_idx_set && wiphy_idx == wiphy_idx_rx) ||
2644 (wdev_id_set && bss->wdev_id_set &&
2645 wdev_id == bss->wdev_id)) {
2646 do_process_drv_event(bss, gnlh->cmd, tb);
2647 return NL_SKIP;
2648 }
2649 }
2650 wpa_printf(MSG_DEBUG,
2651 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d wdev 0x%llx)",
2652 gnlh->cmd, ifidx, (long long unsigned int) wdev_id);
2653 }
2654
2655 return NL_SKIP;
2656 }
2657
2658
2659 int process_bss_event(struct nl_msg *msg, void *arg)
2660 {
2661 struct i802_bss *bss = arg;
2662 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
2663 struct nlattr *tb[NL80211_ATTR_MAX + 1];
2664
2665 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
2666 genlmsg_attrlen(gnlh, 0), NULL);
2667
2668 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
2669 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
2670 bss->ifname);
2671
2672 switch (gnlh->cmd) {
2673 case NL80211_CMD_FRAME:
2674 case NL80211_CMD_FRAME_TX_STATUS:
2675 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
2676 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
2677 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
2678 tb[NL80211_ATTR_COOKIE],
2679 tb[NL80211_ATTR_RX_SIGNAL_DBM],
2680 tb[NL80211_ATTR_STA_WME], NULL);
2681 break;
2682 case NL80211_CMD_UNEXPECTED_FRAME:
2683 nl80211_spurious_frame(bss, tb, 0);
2684 break;
2685 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
2686 nl80211_spurious_frame(bss, tb, 1);
2687 break;
2688 case NL80211_CMD_EXTERNAL_AUTH:
2689 nl80211_external_auth(bss->drv, tb);
2690 break;
2691 default:
2692 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
2693 "(cmd=%d)", gnlh->cmd);
2694 break;
2695 }
2696
2697 return NL_SKIP;
2698 }
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