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