]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/drivers/driver_nl80211_event.c
projects / thirdparty / hostap.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nl80211: Move more event processing into driver_nl80211_event.c
[thirdparty/hostap.git] / src / drivers / driver_nl80211_event.c
CommitLineData
8a906d12
JM		 1/*
2 * Driver interaction with Linux nl80211/cfg80211 - Event processing
3 * Copyright (c) 2002-2014, 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"
159a1791
JM		 15#include "utils/eloop.h"
16#include "common/qca-vendor.h"
17#include "common/qca-vendor-attr.h"
8a906d12
JM		 18#include "common/ieee802_11_defs.h"
19#include "common/ieee802_11_common.h"
20#include "driver_nl80211.h"
21
22
159a1791
JM		 23static 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 default:
133 return "NL80211_CMD_UNKNOWN";
134 }
135#undef C2S
136}
137
138
8a906d12
JM		 139static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
140 const u8 *frame, size_t len)
141{
142 const struct ieee80211_mgmt *mgmt;
143 union wpa_event_data event;
144
145 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
146 drv->force_connect_cmd) {
147 /*
148 * Avoid reporting two association events that would confuse
149 * the core code.
150 */
151 wpa_printf(MSG_DEBUG,
152 "nl80211: Ignore auth event when using driver SME");
153 return;
154 }
155
156 wpa_printf(MSG_DEBUG, "nl80211: Authenticate event");
157 mgmt = (const struct ieee80211_mgmt *) frame;
158 if (len < 24 + sizeof(mgmt->u.auth)) {
159 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
160 "frame");
161 return;
162 }
163
164 os_memcpy(drv->auth_bssid, mgmt->sa, ETH_ALEN);
165 os_memset(drv->auth_attempt_bssid, 0, ETH_ALEN);
166 os_memset(&event, 0, sizeof(event));
167 os_memcpy(event.auth.peer, mgmt->sa, ETH_ALEN);
168 event.auth.auth_type = le_to_host16(mgmt->u.auth.auth_alg);
169 event.auth.auth_transaction =
170 le_to_host16(mgmt->u.auth.auth_transaction);
171 event.auth.status_code = le_to_host16(mgmt->u.auth.status_code);
172 if (len > 24 + sizeof(mgmt->u.auth)) {
173 event.auth.ies = mgmt->u.auth.variable;
174 event.auth.ies_len = len - 24 - sizeof(mgmt->u.auth);
175 }
176
177 wpa_supplicant_event(drv->ctx, EVENT_AUTH, &event);
178}
179
180
181static void mlme_event_assoc(struct wpa_driver_nl80211_data *drv,
182 const u8 *frame, size_t len)
183{
184 const struct ieee80211_mgmt *mgmt;
185 union wpa_event_data event;
186 u16 status;
187
188 if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
189 drv->force_connect_cmd) {
190 /*
191 * Avoid reporting two association events that would confuse
192 * the core code.
193 */
194 wpa_printf(MSG_DEBUG,
195 "nl80211: Ignore assoc event when using driver SME");
196 return;
197 }
198
199 wpa_printf(MSG_DEBUG, "nl80211: Associate event");
200 mgmt = (const struct ieee80211_mgmt *) frame;
201 if (len < 24 + sizeof(mgmt->u.assoc_resp)) {
202 wpa_printf(MSG_DEBUG, "nl80211: Too short association event "
203 "frame");
204 return;
205 }
206
207 status = le_to_host16(mgmt->u.assoc_resp.status_code);
208 if (status != WLAN_STATUS_SUCCESS) {
209 os_memset(&event, 0, sizeof(event));
210 event.assoc_reject.bssid = mgmt->bssid;
211 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
212 event.assoc_reject.resp_ies =
213 (u8 *) mgmt->u.assoc_resp.variable;
214 event.assoc_reject.resp_ies_len =
215 len - 24 - sizeof(mgmt->u.assoc_resp);
216 }
217 event.assoc_reject.status_code = status;
218
219 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
220 return;
221 }
222
223 drv->associated = 1;
224 os_memcpy(drv->bssid, mgmt->sa, ETH_ALEN);
225 os_memcpy(drv->prev_bssid, mgmt->sa, ETH_ALEN);
226
227 os_memset(&event, 0, sizeof(event));
228 if (len > 24 + sizeof(mgmt->u.assoc_resp)) {
229 event.assoc_info.resp_ies = (u8 *) mgmt->u.assoc_resp.variable;
230 event.assoc_info.resp_ies_len =
231 len - 24 - sizeof(mgmt->u.assoc_resp);
232 }
233
234 event.assoc_info.freq = drv->assoc_freq;
235
236 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
237}
238
239
159a1791
JM		 240static void mlme_event_connect(struct wpa_driver_nl80211_data *drv,
241 enum nl80211_commands cmd, struct nlattr *status,
242 struct nlattr *addr, struct nlattr *req_ie,
243 struct nlattr *resp_ie,
244 struct nlattr *authorized,
245 struct nlattr *key_replay_ctr,
246 struct nlattr *ptk_kck,
247 struct nlattr *ptk_kek)
8a906d12
JM		 248{
249 union wpa_event_data event;
250
251 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
252 /*
253 * Avoid reporting two association events that would confuse
254 * the core code.
255 */
256 wpa_printf(MSG_DEBUG, "nl80211: Ignore connect event (cmd=%d) "
257 "when using userspace SME", cmd);
258 return;
259 }
260
261 if (cmd == NL80211_CMD_CONNECT)
262 wpa_printf(MSG_DEBUG, "nl80211: Connect event");
263 else if (cmd == NL80211_CMD_ROAM)
264 wpa_printf(MSG_DEBUG, "nl80211: Roam event");
265
266 os_memset(&event, 0, sizeof(event));
267 if (cmd == NL80211_CMD_CONNECT &&
268 nla_get_u16(status) != WLAN_STATUS_SUCCESS) {
269 if (addr)
270 event.assoc_reject.bssid = nla_data(addr);
271 if (resp_ie) {
272 event.assoc_reject.resp_ies = nla_data(resp_ie);
273 event.assoc_reject.resp_ies_len = nla_len(resp_ie);
274 }
275 event.assoc_reject.status_code = nla_get_u16(status);
276 wpa_supplicant_event(drv->ctx, EVENT_ASSOC_REJECT, &event);
277 return;
278 }
279
280 drv->associated = 1;
281 if (addr) {
282 os_memcpy(drv->bssid, nla_data(addr), ETH_ALEN);
283 os_memcpy(drv->prev_bssid, drv->bssid, ETH_ALEN);
284 }
285
286 if (req_ie) {
287 event.assoc_info.req_ies = nla_data(req_ie);
288 event.assoc_info.req_ies_len = nla_len(req_ie);
289 }
290 if (resp_ie) {
291 event.assoc_info.resp_ies = nla_data(resp_ie);
292 event.assoc_info.resp_ies_len = nla_len(resp_ie);
293 }
294
295 event.assoc_info.freq = nl80211_get_assoc_freq(drv);
296
297 if (authorized && nla_get_u8(authorized)) {
298 event.assoc_info.authorized = 1;
299 wpa_printf(MSG_DEBUG, "nl80211: connection authorized");
300 }
301 if (key_replay_ctr) {
302 event.assoc_info.key_replay_ctr = nla_data(key_replay_ctr);
303 event.assoc_info.key_replay_ctr_len = nla_len(key_replay_ctr);
304 }
305 if (ptk_kck) {
306 event.assoc_info.ptk_kck = nla_data(ptk_kck);
307 event.assoc_info.ptk_kck_len = nla_len(ptk_kek);
308 }
309 if (ptk_kek) {
310 event.assoc_info.ptk_kek = nla_data(ptk_kek);
311 event.assoc_info.ptk_kek_len = nla_len(ptk_kek);
312 }
313
314 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, &event);
315}
316
317
159a1791
JM		 318static void mlme_event_disconnect(struct wpa_driver_nl80211_data *drv,
319 struct nlattr *reason, struct nlattr *addr,
320 struct nlattr *by_ap)
8a906d12
JM		 321{
322 union wpa_event_data data;
323 unsigned int locally_generated = by_ap == NULL;
324
325 if (drv->capa.flags & WPA_DRIVER_FLAGS_SME) {
326 /*
327 * Avoid reporting two disassociation events that could
328 * confuse the core code.
329 */
330 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
331 "event when using userspace SME");
332 return;
333 }
334
335 if (drv->ignore_next_local_disconnect) {
336 drv->ignore_next_local_disconnect = 0;
337 if (locally_generated) {
338 wpa_printf(MSG_DEBUG, "nl80211: Ignore disconnect "
339 "event triggered during reassociation");
340 return;
341 }
342 wpa_printf(MSG_WARNING, "nl80211: Was expecting local "
343 "disconnect but got another disconnect "
344 "event first");
345 }
346
347 wpa_printf(MSG_DEBUG, "nl80211: Disconnect event");
348 nl80211_mark_disconnected(drv);
349 os_memset(&data, 0, sizeof(data));
350 if (reason)
351 data.deauth_info.reason_code = nla_get_u16(reason);
352 data.deauth_info.locally_generated = by_ap == NULL;
353 wpa_supplicant_event(drv->ctx, EVENT_DEAUTH, &data);
354}
355
356
357static int calculate_chan_offset(int width, int freq, int cf1, int cf2)
358{
359 int freq1 = 0;
360
361 switch (convert2width(width)) {
362 case CHAN_WIDTH_20_NOHT:
363 case CHAN_WIDTH_20:
364 return 0;
365 case CHAN_WIDTH_40:
366 freq1 = cf1 - 10;
367 break;
368 case CHAN_WIDTH_80:
369 freq1 = cf1 - 30;
370 break;
371 case CHAN_WIDTH_160:
372 freq1 = cf1 - 70;
373 break;
374 case CHAN_WIDTH_UNKNOWN:
375 case CHAN_WIDTH_80P80:
376 /* FIXME: implement this */
377 return 0;
378 }
379
380 return (abs(freq - freq1) / 20) % 2 == 0 ? 1 : -1;
381}
382
383
159a1791
JM		 384static void mlme_event_ch_switch(struct wpa_driver_nl80211_data *drv,
385 struct nlattr *ifindex, struct nlattr *freq,
386 struct nlattr *type, struct nlattr *bw,
387 struct nlattr *cf1, struct nlattr *cf2)
8a906d12
JM		 388{
389 struct i802_bss *bss;
390 union wpa_event_data data;
391 int ht_enabled = 1;
392 int chan_offset = 0;
393 int ifidx;
394
395 wpa_printf(MSG_DEBUG, "nl80211: Channel switch event");
396
397 if (!freq)
398 return;
399
400 ifidx = nla_get_u32(ifindex);
401 bss = get_bss_ifindex(drv, ifidx);
402 if (bss == NULL) {
403 wpa_printf(MSG_WARNING, "nl80211: Unknown ifindex (%d) for channel switch, ignoring",
404 ifidx);
405 return;
406 }
407
408 if (type) {
409 enum nl80211_channel_type ch_type = nla_get_u32(type);
410
411 wpa_printf(MSG_DEBUG, "nl80211: Channel type: %d", ch_type);
412 switch (ch_type) {
413 case NL80211_CHAN_NO_HT:
414 ht_enabled = 0;
415 break;
416 case NL80211_CHAN_HT20:
417 break;
418 case NL80211_CHAN_HT40PLUS:
419 chan_offset = 1;
420 break;
421 case NL80211_CHAN_HT40MINUS:
422 chan_offset = -1;
423 break;
424 }
425 } else if (bw && cf1) {
426 /* This can happen for example with VHT80 ch switch */
427 chan_offset = calculate_chan_offset(nla_get_u32(bw),
428 nla_get_u32(freq),
429 nla_get_u32(cf1),
430 cf2 ? nla_get_u32(cf2) : 0);
431 } else {
432 wpa_printf(MSG_WARNING, "nl80211: Unknown secondary channel information - following channel definition calculations may fail");
433 }
434
435 os_memset(&data, 0, sizeof(data));
436 data.ch_switch.freq = nla_get_u32(freq);
437 data.ch_switch.ht_enabled = ht_enabled;
438 data.ch_switch.ch_offset = chan_offset;
439 if (bw)
440 data.ch_switch.ch_width = convert2width(nla_get_u32(bw));
441 if (cf1)
442 data.ch_switch.cf1 = nla_get_u32(cf1);
443 if (cf2)
444 data.ch_switch.cf2 = nla_get_u32(cf2);
445
446 bss->freq = data.ch_switch.freq;
447
448 wpa_supplicant_event(bss->ctx, EVENT_CH_SWITCH, &data);
449}
450
451
452static void mlme_timeout_event(struct wpa_driver_nl80211_data *drv,
453 enum nl80211_commands cmd, struct nlattr *addr)
454{
455 union wpa_event_data event;
456 enum wpa_event_type ev;
457
458 if (nla_len(addr) != ETH_ALEN)
459 return;
460
461 wpa_printf(MSG_DEBUG, "nl80211: MLME event %d; timeout with " MACSTR,
462 cmd, MAC2STR((u8 *) nla_data(addr)));
463
464 if (cmd == NL80211_CMD_AUTHENTICATE)
465 ev = EVENT_AUTH_TIMED_OUT;
466 else if (cmd == NL80211_CMD_ASSOCIATE)
467 ev = EVENT_ASSOC_TIMED_OUT;
468 else
469 return;
470
471 os_memset(&event, 0, sizeof(event));
472 os_memcpy(event.timeout_event.addr, nla_data(addr), ETH_ALEN);
473 wpa_supplicant_event(drv->ctx, ev, &event);
474}
475
476
477static void mlme_event_mgmt(struct i802_bss *bss,
478 struct nlattr *freq, struct nlattr *sig,
479 const u8 *frame, size_t len)
480{
481 struct wpa_driver_nl80211_data *drv = bss->drv;
482 const struct ieee80211_mgmt *mgmt;
483 union wpa_event_data event;
484 u16 fc, stype;
485 int ssi_signal = 0;
486 int rx_freq = 0;
487
488 wpa_printf(MSG_MSGDUMP, "nl80211: Frame event");
489 mgmt = (const struct ieee80211_mgmt *) frame;
490 if (len < 24) {
491 wpa_printf(MSG_DEBUG, "nl80211: Too short management frame");
492 return;
493 }
494
495 fc = le_to_host16(mgmt->frame_control);
496 stype = WLAN_FC_GET_STYPE(fc);
497
498 if (sig)
499 ssi_signal = (s32) nla_get_u32(sig);
500
501 os_memset(&event, 0, sizeof(event));
502 if (freq) {
503 event.rx_mgmt.freq = nla_get_u32(freq);
504 rx_freq = drv->last_mgmt_freq = event.rx_mgmt.freq;
505 }
506 wpa_printf(MSG_DEBUG,
507 "nl80211: RX frame sa=" MACSTR
508 " freq=%d ssi_signal=%d stype=%u (%s) len=%u",
509 MAC2STR(mgmt->sa), rx_freq, ssi_signal, stype, fc2str(fc),
510 (unsigned int) len);
511 event.rx_mgmt.frame = frame;
512 event.rx_mgmt.frame_len = len;
513 event.rx_mgmt.ssi_signal = ssi_signal;
514 event.rx_mgmt.drv_priv = bss;
515 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
516}
517
518
519static void mlme_event_mgmt_tx_status(struct wpa_driver_nl80211_data *drv,
520 struct nlattr *cookie, const u8 *frame,
521 size_t len, struct nlattr *ack)
522{
523 union wpa_event_data event;
524 const struct ieee80211_hdr *hdr;
525 u16 fc;
526
527 wpa_printf(MSG_DEBUG, "nl80211: Frame TX status event");
528 if (!is_ap_interface(drv->nlmode)) {
529 u64 cookie_val;
530
531 if (!cookie)
532 return;
533
534 cookie_val = nla_get_u64(cookie);
535 wpa_printf(MSG_DEBUG, "nl80211: Action TX status:"
536 " cookie=0%llx%s (ack=%d)",
537 (long long unsigned int) cookie_val,
538 cookie_val == drv->send_action_cookie ?
539 " (match)" : " (unknown)", ack != NULL);
540 if (cookie_val != drv->send_action_cookie)
541 return;
542 }
543
544 hdr = (const struct ieee80211_hdr *) frame;
545 fc = le_to_host16(hdr->frame_control);
546
547 os_memset(&event, 0, sizeof(event));
548 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
549 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
550 event.tx_status.dst = hdr->addr1;
551 event.tx_status.data = frame;
552 event.tx_status.data_len = len;
553 event.tx_status.ack = ack != NULL;
554 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
555}
556
557
558static void mlme_event_deauth_disassoc(struct wpa_driver_nl80211_data *drv,
559 enum wpa_event_type type,
560 const u8 *frame, size_t len)
561{
562 const struct ieee80211_mgmt *mgmt;
563 union wpa_event_data event;
564 const u8 *bssid = NULL;
565 u16 reason_code = 0;
566
567 if (type == EVENT_DEAUTH)
568 wpa_printf(MSG_DEBUG, "nl80211: Deauthenticate event");
569 else
570 wpa_printf(MSG_DEBUG, "nl80211: Disassociate event");
571
572 mgmt = (const struct ieee80211_mgmt *) frame;
573 if (len >= 24) {
574 bssid = mgmt->bssid;
575
576 if ((drv->capa.flags & WPA_DRIVER_FLAGS_SME) &&
577 !drv->associated &&
578 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0 &&
579 os_memcmp(bssid, drv->auth_attempt_bssid, ETH_ALEN) != 0 &&
580 os_memcmp(bssid, drv->prev_bssid, ETH_ALEN) == 0) {
581 /*
582 * Avoid issues with some roaming cases where
583 * disconnection event for the old AP may show up after
584 * we have started connection with the new AP.
585 */
586 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth/disassoc event from old AP " MACSTR " when already authenticating with " MACSTR,
587 MAC2STR(bssid),
588 MAC2STR(drv->auth_attempt_bssid));
589 return;
590 }
591
592 if (drv->associated != 0 &&
593 os_memcmp(bssid, drv->bssid, ETH_ALEN) != 0 &&
594 os_memcmp(bssid, drv->auth_bssid, ETH_ALEN) != 0) {
595 /*
596 * We have presumably received this deauth as a
597 * response to a clear_state_mismatch() outgoing
598 * deauth. Don't let it take us offline!
599 */
600 wpa_printf(MSG_DEBUG, "nl80211: Deauth received "
601 "from Unknown BSSID " MACSTR " -- ignoring",
602 MAC2STR(bssid));
603 return;
604 }
605 }
606
607 nl80211_mark_disconnected(drv);
608 os_memset(&event, 0, sizeof(event));
609
610 /* Note: Same offset for Reason Code in both frame subtypes */
611 if (len >= 24 + sizeof(mgmt->u.deauth))
612 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
613
614 if (type == EVENT_DISASSOC) {
615 event.disassoc_info.locally_generated =
616 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
617 event.disassoc_info.addr = bssid;
618 event.disassoc_info.reason_code = reason_code;
619 if (frame + len > mgmt->u.disassoc.variable) {
620 event.disassoc_info.ie = mgmt->u.disassoc.variable;
621 event.disassoc_info.ie_len = frame + len -
622 mgmt->u.disassoc.variable;
623 }
624 } else {
625 if (drv->ignore_deauth_event) {
626 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event due to previous forced deauth-during-auth");
627 drv->ignore_deauth_event = 0;
628 return;
629 }
630 event.deauth_info.locally_generated =
631 !os_memcmp(mgmt->sa, drv->first_bss->addr, ETH_ALEN);
632 if (drv->ignore_next_local_deauth) {
633 drv->ignore_next_local_deauth = 0;
634 if (event.deauth_info.locally_generated) {
635 wpa_printf(MSG_DEBUG, "nl80211: Ignore deauth event triggered due to own deauth request");
636 return;
637 }
638 wpa_printf(MSG_WARNING, "nl80211: Was expecting local deauth but got another disconnect event first");
639 }
640 event.deauth_info.addr = bssid;
641 event.deauth_info.reason_code = reason_code;
642 if (frame + len > mgmt->u.deauth.variable) {
643 event.deauth_info.ie = mgmt->u.deauth.variable;
644 event.deauth_info.ie_len = frame + len -
645 mgmt->u.deauth.variable;
646 }
647 }
648
649 wpa_supplicant_event(drv->ctx, type, &event);
650}
651
652
653static void mlme_event_unprot_disconnect(struct wpa_driver_nl80211_data *drv,
654 enum wpa_event_type type,
655 const u8 *frame, size_t len)
656{
657 const struct ieee80211_mgmt *mgmt;
658 union wpa_event_data event;
659 u16 reason_code = 0;
660
661 if (type == EVENT_UNPROT_DEAUTH)
662 wpa_printf(MSG_DEBUG, "nl80211: Unprot Deauthenticate event");
663 else
664 wpa_printf(MSG_DEBUG, "nl80211: Unprot Disassociate event");
665
666 if (len < 24)
667 return;
668
669 mgmt = (const struct ieee80211_mgmt *) frame;
670
671 os_memset(&event, 0, sizeof(event));
672 /* Note: Same offset for Reason Code in both frame subtypes */
673 if (len >= 24 + sizeof(mgmt->u.deauth))
674 reason_code = le_to_host16(mgmt->u.deauth.reason_code);
675
676 if (type == EVENT_UNPROT_DISASSOC) {
677 event.unprot_disassoc.sa = mgmt->sa;
678 event.unprot_disassoc.da = mgmt->da;
679 event.unprot_disassoc.reason_code = reason_code;
680 } else {
681 event.unprot_deauth.sa = mgmt->sa;
682 event.unprot_deauth.da = mgmt->da;
683 event.unprot_deauth.reason_code = reason_code;
684 }
685
686 wpa_supplicant_event(drv->ctx, type, &event);
687}
688
689
159a1791
JM		 690static void mlme_event(struct i802_bss *bss,
691 enum nl80211_commands cmd, struct nlattr *frame,
692 struct nlattr *addr, struct nlattr *timed_out,
693 struct nlattr *freq, struct nlattr *ack,
694 struct nlattr *cookie, struct nlattr *sig)
8a906d12
JM		 695{
696 struct wpa_driver_nl80211_data *drv = bss->drv;
697 const u8 *data;
698 size_t len;
699
700 if (timed_out && addr) {
701 mlme_timeout_event(drv, cmd, addr);
702 return;
703 }
704
705 if (frame == NULL) {
706 wpa_printf(MSG_DEBUG,
707 "nl80211: MLME event %d (%s) without frame data",
708 cmd, nl80211_command_to_string(cmd));
709 return;
710 }
711
712 data = nla_data(frame);
713 len = nla_len(frame);
714 if (len < 4 + 2 * ETH_ALEN) {
715 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s("
716 MACSTR ") - too short",
717 cmd, nl80211_command_to_string(cmd), bss->ifname,
718 MAC2STR(bss->addr));
719 return;
720 }
721 wpa_printf(MSG_MSGDUMP, "nl80211: MLME event %d (%s) on %s(" MACSTR
722 ") A1=" MACSTR " A2=" MACSTR, cmd,
723 nl80211_command_to_string(cmd), bss->ifname,
724 MAC2STR(bss->addr), MAC2STR(data + 4),
725 MAC2STR(data + 4 + ETH_ALEN));
726 if (cmd != NL80211_CMD_FRAME_TX_STATUS && !(data[4] & 0x01) &&
727 os_memcmp(bss->addr, data + 4, ETH_ALEN) != 0 &&
728 os_memcmp(bss->addr, data + 4 + ETH_ALEN, ETH_ALEN) != 0) {
729 wpa_printf(MSG_MSGDUMP, "nl80211: %s: Ignore MLME frame event "
730 "for foreign address", bss->ifname);
731 return;
732 }
733 wpa_hexdump(MSG_MSGDUMP, "nl80211: MLME event frame",
734 nla_data(frame), nla_len(frame));
735
736 switch (cmd) {
737 case NL80211_CMD_AUTHENTICATE:
738 mlme_event_auth(drv, nla_data(frame), nla_len(frame));
739 break;
740 case NL80211_CMD_ASSOCIATE:
741 mlme_event_assoc(drv, nla_data(frame), nla_len(frame));
742 break;
743 case NL80211_CMD_DEAUTHENTICATE:
744 mlme_event_deauth_disassoc(drv, EVENT_DEAUTH,
745 nla_data(frame), nla_len(frame));
746 break;
747 case NL80211_CMD_DISASSOCIATE:
748 mlme_event_deauth_disassoc(drv, EVENT_DISASSOC,
749 nla_data(frame), nla_len(frame));
750 break;
751 case NL80211_CMD_FRAME:
752 mlme_event_mgmt(bss, freq, sig, nla_data(frame),
753 nla_len(frame));
754 break;
755 case NL80211_CMD_FRAME_TX_STATUS:
756 mlme_event_mgmt_tx_status(drv, cookie, nla_data(frame),
757 nla_len(frame), ack);
758 break;
759 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
760 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DEAUTH,
761 nla_data(frame), nla_len(frame));
762 break;
763 case NL80211_CMD_UNPROT_DISASSOCIATE:
764 mlme_event_unprot_disconnect(drv, EVENT_UNPROT_DISASSOC,
765 nla_data(frame), nla_len(frame));
766 break;
767 default:
768 break;
769 }
770}
159a1791
JM		 771
772
773static void mlme_event_michael_mic_failure(struct i802_bss *bss,
774 struct nlattr *tb[])
775{
776 union wpa_event_data data;
777
778 wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
779 os_memset(&data, 0, sizeof(data));
780 if (tb[NL80211_ATTR_MAC]) {
781 wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
782 nla_data(tb[NL80211_ATTR_MAC]),
783 nla_len(tb[NL80211_ATTR_MAC]));
784 data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
785 }
786 if (tb[NL80211_ATTR_KEY_SEQ]) {
787 wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
788 nla_data(tb[NL80211_ATTR_KEY_SEQ]),
789 nla_len(tb[NL80211_ATTR_KEY_SEQ]));
790 }
791 if (tb[NL80211_ATTR_KEY_TYPE]) {
792 enum nl80211_key_type key_type =
793 nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
794 wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
795 if (key_type == NL80211_KEYTYPE_PAIRWISE)
796 data.michael_mic_failure.unicast = 1;
797 } else
798 data.michael_mic_failure.unicast = 1;
799
800 if (tb[NL80211_ATTR_KEY_IDX]) {
801 u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
802 wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
803 }
804
805 wpa_supplicant_event(bss->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
806}
807
808
809static void mlme_event_join_ibss(struct wpa_driver_nl80211_data *drv,
810 struct nlattr *tb[])
811{
812 unsigned int freq;
813
814 if (tb[NL80211_ATTR_MAC] == NULL) {
815 wpa_printf(MSG_DEBUG, "nl80211: No address in IBSS joined "
816 "event");
817 return;
818 }
819 os_memcpy(drv->bssid, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
820
821 drv->associated = 1;
822 wpa_printf(MSG_DEBUG, "nl80211: IBSS " MACSTR " joined",
823 MAC2STR(drv->bssid));
824
825 freq = nl80211_get_assoc_freq(drv);
826 if (freq) {
827 wpa_printf(MSG_DEBUG, "nl80211: IBSS on frequency %u MHz",
828 freq);
829 drv->first_bss->freq = freq;
830 }
831
832 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
833}
834
835
836static void mlme_event_remain_on_channel(struct wpa_driver_nl80211_data *drv,
837 int cancel_event, struct nlattr *tb[])
838{
839 unsigned int freq, chan_type, duration;
840 union wpa_event_data data;
841 u64 cookie;
842
843 if (tb[NL80211_ATTR_WIPHY_FREQ])
844 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
845 else
846 freq = 0;
847
848 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
849 chan_type = nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
850 else
851 chan_type = 0;
852
853 if (tb[NL80211_ATTR_DURATION])
854 duration = nla_get_u32(tb[NL80211_ATTR_DURATION]);
855 else
856 duration = 0;
857
858 if (tb[NL80211_ATTR_COOKIE])
859 cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
860 else
861 cookie = 0;
862
863 wpa_printf(MSG_DEBUG, "nl80211: Remain-on-channel event (cancel=%d "
864 "freq=%u channel_type=%u duration=%u cookie=0x%llx (%s))",
865 cancel_event, freq, chan_type, duration,
866 (long long unsigned int) cookie,
867 cookie == drv->remain_on_chan_cookie ? "match" : "unknown");
868
869 if (cookie != drv->remain_on_chan_cookie)
870 return; /* not for us */
871
872 if (cancel_event)
873 drv->pending_remain_on_chan = 0;
874
875 os_memset(&data, 0, sizeof(data));
876 data.remain_on_channel.freq = freq;
877 data.remain_on_channel.duration = duration;
878 wpa_supplicant_event(drv->ctx, cancel_event ?
879 EVENT_CANCEL_REMAIN_ON_CHANNEL :
880 EVENT_REMAIN_ON_CHANNEL, &data);
881}
882
883
884static void mlme_event_ft_event(struct wpa_driver_nl80211_data *drv,
885 struct nlattr *tb[])
886{
887 union wpa_event_data data;
888
889 os_memset(&data, 0, sizeof(data));
890
891 if (tb[NL80211_ATTR_IE]) {
892 data.ft_ies.ies = nla_data(tb[NL80211_ATTR_IE]);
893 data.ft_ies.ies_len = nla_len(tb[NL80211_ATTR_IE]);
894 }
895
896 if (tb[NL80211_ATTR_IE_RIC]) {
897 data.ft_ies.ric_ies = nla_data(tb[NL80211_ATTR_IE_RIC]);
898 data.ft_ies.ric_ies_len = nla_len(tb[NL80211_ATTR_IE_RIC]);
899 }
900
901 if (tb[NL80211_ATTR_MAC])
902 os_memcpy(data.ft_ies.target_ap,
903 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
904
905 wpa_printf(MSG_DEBUG, "nl80211: FT event target_ap " MACSTR,
906 MAC2STR(data.ft_ies.target_ap));
907
908 wpa_supplicant_event(drv->ctx, EVENT_FT_RESPONSE, &data);
909}
910
911
912static void send_scan_event(struct wpa_driver_nl80211_data *drv, int aborted,
913 struct nlattr *tb[])
914{
915 union wpa_event_data event;
916 struct nlattr *nl;
917 int rem;
918 struct scan_info *info;
919#define MAX_REPORT_FREQS 50
920 int freqs[MAX_REPORT_FREQS];
921 int num_freqs = 0;
922
923 if (drv->scan_for_auth) {
924 drv->scan_for_auth = 0;
925 wpa_printf(MSG_DEBUG, "nl80211: Scan results for missing "
926 "cfg80211 BSS entry");
927 wpa_driver_nl80211_authenticate_retry(drv);
928 return;
929 }
930
931 os_memset(&event, 0, sizeof(event));
932 info = &event.scan_info;
933 info->aborted = aborted;
934
935 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
936 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_SSIDS], rem) {
937 struct wpa_driver_scan_ssid *s =
938 &info->ssids[info->num_ssids];
939 s->ssid = nla_data(nl);
940 s->ssid_len = nla_len(nl);
941 wpa_printf(MSG_DEBUG, "nl80211: Scan probed for SSID '%s'",
942 wpa_ssid_txt(s->ssid, s->ssid_len));
943 info->num_ssids++;
944 if (info->num_ssids == WPAS_MAX_SCAN_SSIDS)
945 break;
946 }
947 }
948 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
949 char msg[200], *pos, *end;
950 int res;
951
952 pos = msg;
953 end = pos + sizeof(msg);
954 *pos = '\0';
955
956 nla_for_each_nested(nl, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem)
957 {
958 freqs[num_freqs] = nla_get_u32(nl);
959 res = os_snprintf(pos, end - pos, " %d",
960 freqs[num_freqs]);
961 if (res > 0 && end - pos > res)
962 pos += res;
963 num_freqs++;
964 if (num_freqs == MAX_REPORT_FREQS - 1)
965 break;
966 }
967 info->freqs = freqs;
968 info->num_freqs = num_freqs;
969 wpa_printf(MSG_DEBUG, "nl80211: Scan included frequencies:%s",
970 msg);
971 }
972 wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, &event);
973}
974
975
976static void nl80211_cqm_event(struct wpa_driver_nl80211_data *drv,
977 struct nlattr *tb[])
978{
979 static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
980 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
981 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U8 },
982 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
983 [NL80211_ATTR_CQM_PKT_LOSS_EVENT] = { .type = NLA_U32 },
984 };
985 struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
986 enum nl80211_cqm_rssi_threshold_event event;
987 union wpa_event_data ed;
988 struct wpa_signal_info sig;
989 int res;
990
991 if (tb[NL80211_ATTR_CQM] == NULL ||
992 nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, tb[NL80211_ATTR_CQM],
993 cqm_policy)) {
994 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid CQM event");
995 return;
996 }
997
998 os_memset(&ed, 0, sizeof(ed));
999
1000 if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
1001 if (!tb[NL80211_ATTR_MAC])
1002 return;
1003 os_memcpy(ed.low_ack.addr, nla_data(tb[NL80211_ATTR_MAC]),
1004 ETH_ALEN);
1005 wpa_supplicant_event(drv->ctx, EVENT_STATION_LOW_ACK, &ed);
1006 return;
1007 }
1008
1009 if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] == NULL)
1010 return;
1011 event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
1012
1013 if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH) {
1014 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1015 "event: RSSI high");
1016 ed.signal_change.above_threshold = 1;
1017 } else if (event == NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW) {
1018 wpa_printf(MSG_DEBUG, "nl80211: Connection quality monitor "
1019 "event: RSSI low");
1020 ed.signal_change.above_threshold = 0;
1021 } else
1022 return;
1023
1024 res = nl80211_get_link_signal(drv, &sig);
1025 if (res == 0) {
1026 ed.signal_change.current_signal = sig.current_signal;
1027 ed.signal_change.current_txrate = sig.current_txrate;
1028 wpa_printf(MSG_DEBUG, "nl80211: Signal: %d dBm txrate: %d",
1029 sig.current_signal, sig.current_txrate);
1030 }
1031
1032 res = nl80211_get_link_noise(drv, &sig);
1033 if (res == 0) {
1034 ed.signal_change.current_noise = sig.current_noise;
1035 wpa_printf(MSG_DEBUG, "nl80211: Noise: %d dBm",
1036 sig.current_noise);
1037 }
1038
1039 wpa_supplicant_event(drv->ctx, EVENT_SIGNAL_CHANGE, &ed);
1040}
1041
1042
1043static void nl80211_new_peer_candidate(struct wpa_driver_nl80211_data *drv,
1044 struct nlattr **tb)
1045{
1046 const u8 *addr;
1047 union wpa_event_data data;
1048
1049 if (drv->nlmode != NL80211_IFTYPE_MESH_POINT)
1050 return;
1051
1052 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_IE])
1053 return;
1054
1055 addr = nla_data(tb[NL80211_ATTR_MAC]);
1056 wpa_printf(MSG_DEBUG, "nl80211: New peer candidate" MACSTR,
1057 MAC2STR(addr));
1058
1059 os_memset(&data, 0, sizeof(data));
1060 data.mesh_peer.peer = addr;
1061 data.mesh_peer.ies = nla_data(tb[NL80211_ATTR_IE]);
1062 data.mesh_peer.ie_len = nla_len(tb[NL80211_ATTR_IE]);
1063 wpa_supplicant_event(drv->ctx, EVENT_NEW_PEER_CANDIDATE, &data);
1064}
1065
1066
1067static void nl80211_new_station_event(struct wpa_driver_nl80211_data *drv,
1068 struct nlattr **tb)
1069{
1070 u8 *addr;
1071 union wpa_event_data data;
1072
1073 if (tb[NL80211_ATTR_MAC] == NULL)
1074 return;
1075 addr = nla_data(tb[NL80211_ATTR_MAC]);
1076 wpa_printf(MSG_DEBUG, "nl80211: New station " MACSTR, MAC2STR(addr));
1077
1078 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1079 u8 *ies = NULL;
1080 size_t ies_len = 0;
1081 if (tb[NL80211_ATTR_IE]) {
1082 ies = nla_data(tb[NL80211_ATTR_IE]);
1083 ies_len = nla_len(tb[NL80211_ATTR_IE]);
1084 }
1085 wpa_hexdump(MSG_DEBUG, "nl80211: Assoc Req IEs", ies, ies_len);
1086 drv_event_assoc(drv->ctx, addr, ies, ies_len, 0);
1087 return;
1088 }
1089
1090 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1091 return;
1092
1093 os_memset(&data, 0, sizeof(data));
1094 os_memcpy(data.ibss_rsn_start.peer, addr, ETH_ALEN);
1095 wpa_supplicant_event(drv->ctx, EVENT_IBSS_RSN_START, &data);
1096}
1097
1098
1099static void nl80211_del_station_event(struct wpa_driver_nl80211_data *drv,
1100 struct nlattr **tb)
1101{
1102 u8 *addr;
1103 union wpa_event_data data;
1104
1105 if (tb[NL80211_ATTR_MAC] == NULL)
1106 return;
1107 addr = nla_data(tb[NL80211_ATTR_MAC]);
1108 wpa_printf(MSG_DEBUG, "nl80211: Delete station " MACSTR,
1109 MAC2STR(addr));
1110
1111 if (is_ap_interface(drv->nlmode) && drv->device_ap_sme) {
1112 drv_event_disassoc(drv->ctx, addr);
1113 return;
1114 }
1115
1116 if (drv->nlmode != NL80211_IFTYPE_ADHOC)
1117 return;
1118
1119 os_memset(&data, 0, sizeof(data));
1120 os_memcpy(data.ibss_peer_lost.peer, addr, ETH_ALEN);
1121 wpa_supplicant_event(drv->ctx, EVENT_IBSS_PEER_LOST, &data);
1122}
1123
1124
1125static void nl80211_rekey_offload_event(struct wpa_driver_nl80211_data *drv,
1126 struct nlattr **tb)
1127{
1128 struct nlattr *rekey_info[NUM_NL80211_REKEY_DATA];
1129 static struct nla_policy rekey_policy[NUM_NL80211_REKEY_DATA] = {
1130 [NL80211_REKEY_DATA_KEK] = {
1131 .minlen = NL80211_KEK_LEN,
1132 .maxlen = NL80211_KEK_LEN,
1133 },
1134 [NL80211_REKEY_DATA_KCK] = {
1135 .minlen = NL80211_KCK_LEN,
1136 .maxlen = NL80211_KCK_LEN,
1137 },
1138 [NL80211_REKEY_DATA_REPLAY_CTR] = {
1139 .minlen = NL80211_REPLAY_CTR_LEN,
1140 .maxlen = NL80211_REPLAY_CTR_LEN,
1141 },
1142 };
1143 union wpa_event_data data;
1144
1145 if (!tb[NL80211_ATTR_MAC])
1146 return;
1147 if (!tb[NL80211_ATTR_REKEY_DATA])
1148 return;
1149 if (nla_parse_nested(rekey_info, MAX_NL80211_REKEY_DATA,
1150 tb[NL80211_ATTR_REKEY_DATA], rekey_policy))
1151 return;
1152 if (!rekey_info[NL80211_REKEY_DATA_REPLAY_CTR])
1153 return;
1154
1155 os_memset(&data, 0, sizeof(data));
1156 data.driver_gtk_rekey.bssid = nla_data(tb[NL80211_ATTR_MAC]);
1157 wpa_printf(MSG_DEBUG, "nl80211: Rekey offload event for BSSID " MACSTR,
1158 MAC2STR(data.driver_gtk_rekey.bssid));
1159 data.driver_gtk_rekey.replay_ctr =
1160 nla_data(rekey_info[NL80211_REKEY_DATA_REPLAY_CTR]);
1161 wpa_hexdump(MSG_DEBUG, "nl80211: Rekey offload - Replay Counter",
1162 data.driver_gtk_rekey.replay_ctr, NL80211_REPLAY_CTR_LEN);
1163 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_GTK_REKEY, &data);
1164}
1165
1166
1167static void nl80211_pmksa_candidate_event(struct wpa_driver_nl80211_data *drv,
1168 struct nlattr **tb)
1169{
1170 struct nlattr *cand[NUM_NL80211_PMKSA_CANDIDATE];
1171 static struct nla_policy cand_policy[NUM_NL80211_PMKSA_CANDIDATE] = {
1172 [NL80211_PMKSA_CANDIDATE_INDEX] = { .type = NLA_U32 },
1173 [NL80211_PMKSA_CANDIDATE_BSSID] = {
1174 .minlen = ETH_ALEN,
1175 .maxlen = ETH_ALEN,
1176 },
1177 [NL80211_PMKSA_CANDIDATE_PREAUTH] = { .type = NLA_FLAG },
1178 };
1179 union wpa_event_data data;
1180
1181 wpa_printf(MSG_DEBUG, "nl80211: PMKSA candidate event");
1182
1183 if (!tb[NL80211_ATTR_PMKSA_CANDIDATE])
1184 return;
1185 if (nla_parse_nested(cand, MAX_NL80211_PMKSA_CANDIDATE,
1186 tb[NL80211_ATTR_PMKSA_CANDIDATE], cand_policy))
1187 return;
1188 if (!cand[NL80211_PMKSA_CANDIDATE_INDEX] ||
1189 !cand[NL80211_PMKSA_CANDIDATE_BSSID])
1190 return;
1191
1192 os_memset(&data, 0, sizeof(data));
1193 os_memcpy(data.pmkid_candidate.bssid,
1194 nla_data(cand[NL80211_PMKSA_CANDIDATE_BSSID]), ETH_ALEN);
1195 data.pmkid_candidate.index =
1196 nla_get_u32(cand[NL80211_PMKSA_CANDIDATE_INDEX]);
1197 data.pmkid_candidate.preauth =
1198 cand[NL80211_PMKSA_CANDIDATE_PREAUTH] != NULL;
1199 wpa_supplicant_event(drv->ctx, EVENT_PMKID_CANDIDATE, &data);
1200}
1201
1202
1203static void nl80211_client_probe_event(struct wpa_driver_nl80211_data *drv,
1204 struct nlattr **tb)
1205{
1206 union wpa_event_data data;
1207
1208 wpa_printf(MSG_DEBUG, "nl80211: Probe client event");
1209
1210 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_ACK])
1211 return;
1212
1213 os_memset(&data, 0, sizeof(data));
1214 os_memcpy(data.client_poll.addr,
1215 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1216
1217 wpa_supplicant_event(drv->ctx, EVENT_DRIVER_CLIENT_POLL_OK, &data);
1218}
1219
1220
1221static void nl80211_tdls_oper_event(struct wpa_driver_nl80211_data *drv,
1222 struct nlattr **tb)
1223{
1224 union wpa_event_data data;
1225
1226 wpa_printf(MSG_DEBUG, "nl80211: TDLS operation event");
1227
1228 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_TDLS_OPERATION])
1229 return;
1230
1231 os_memset(&data, 0, sizeof(data));
1232 os_memcpy(data.tdls.peer, nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1233 switch (nla_get_u8(tb[NL80211_ATTR_TDLS_OPERATION])) {
1234 case NL80211_TDLS_SETUP:
1235 wpa_printf(MSG_DEBUG, "nl80211: TDLS setup request for peer "
1236 MACSTR, MAC2STR(data.tdls.peer));
1237 data.tdls.oper = TDLS_REQUEST_SETUP;
1238 break;
1239 case NL80211_TDLS_TEARDOWN:
1240 wpa_printf(MSG_DEBUG, "nl80211: TDLS teardown request for peer "
1241 MACSTR, MAC2STR(data.tdls.peer));
1242 data.tdls.oper = TDLS_REQUEST_TEARDOWN;
1243 break;
1244 default:
1245 wpa_printf(MSG_DEBUG, "nl80211: Unsupported TDLS operatione "
1246 "event");
1247 return;
1248 }
1249 if (tb[NL80211_ATTR_REASON_CODE]) {
1250 data.tdls.reason_code =
1251 nla_get_u16(tb[NL80211_ATTR_REASON_CODE]);
1252 }
1253
1254 wpa_supplicant_event(drv->ctx, EVENT_TDLS, &data);
1255}
1256
1257
1258static void nl80211_stop_ap(struct wpa_driver_nl80211_data *drv,
1259 struct nlattr **tb)
1260{
1261 wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_UNAVAILABLE, NULL);
1262}
1263
1264
1265static void nl80211_connect_failed_event(struct wpa_driver_nl80211_data *drv,
1266 struct nlattr **tb)
1267{
1268 union wpa_event_data data;
1269 u32 reason;
1270
1271 wpa_printf(MSG_DEBUG, "nl80211: Connect failed event");
1272
1273 if (!tb[NL80211_ATTR_MAC] || !tb[NL80211_ATTR_CONN_FAILED_REASON])
1274 return;
1275
1276 os_memset(&data, 0, sizeof(data));
1277 os_memcpy(data.connect_failed_reason.addr,
1278 nla_data(tb[NL80211_ATTR_MAC]), ETH_ALEN);
1279
1280 reason = nla_get_u32(tb[NL80211_ATTR_CONN_FAILED_REASON]);
1281 switch (reason) {
1282 case NL80211_CONN_FAIL_MAX_CLIENTS:
1283 wpa_printf(MSG_DEBUG, "nl80211: Max client reached");
1284 data.connect_failed_reason.code = MAX_CLIENT_REACHED;
1285 break;
1286 case NL80211_CONN_FAIL_BLOCKED_CLIENT:
1287 wpa_printf(MSG_DEBUG, "nl80211: Blocked client " MACSTR
1288 " tried to connect",
1289 MAC2STR(data.connect_failed_reason.addr));
1290 data.connect_failed_reason.code = BLOCKED_CLIENT;
1291 break;
1292 default:
1293 wpa_printf(MSG_DEBUG, "nl8021l: Unknown connect failed reason "
1294 "%u", reason);
1295 return;
1296 }
1297
1298 wpa_supplicant_event(drv->ctx, EVENT_CONNECT_FAILED_REASON, &data);
1299}
1300
1301
1302static void nl80211_radar_event(struct wpa_driver_nl80211_data *drv,
1303 struct nlattr **tb)
1304{
1305 union wpa_event_data data;
1306 enum nl80211_radar_event event_type;
1307
1308 if (!tb[NL80211_ATTR_WIPHY_FREQ] || !tb[NL80211_ATTR_RADAR_EVENT])
1309 return;
1310
1311 os_memset(&data, 0, sizeof(data));
1312 data.dfs_event.freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1313 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1314
1315 /* Check HT params */
1316 if (tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
1317 data.dfs_event.ht_enabled = 1;
1318 data.dfs_event.chan_offset = 0;
1319
1320 switch (nla_get_u32(tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
1321 case NL80211_CHAN_NO_HT:
1322 data.dfs_event.ht_enabled = 0;
1323 break;
1324 case NL80211_CHAN_HT20:
1325 break;
1326 case NL80211_CHAN_HT40PLUS:
1327 data.dfs_event.chan_offset = 1;
1328 break;
1329 case NL80211_CHAN_HT40MINUS:
1330 data.dfs_event.chan_offset = -1;
1331 break;
1332 }
1333 }
1334
1335 /* Get VHT params */
1336 if (tb[NL80211_ATTR_CHANNEL_WIDTH])
1337 data.dfs_event.chan_width =
1338 convert2width(nla_get_u32(
1339 tb[NL80211_ATTR_CHANNEL_WIDTH]));
1340 if (tb[NL80211_ATTR_CENTER_FREQ1])
1341 data.dfs_event.cf1 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
1342 if (tb[NL80211_ATTR_CENTER_FREQ2])
1343 data.dfs_event.cf2 = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
1344
1345 wpa_printf(MSG_DEBUG, "nl80211: DFS event on freq %d MHz, ht: %d, offset: %d, width: %d, cf1: %dMHz, cf2: %dMHz",
1346 data.dfs_event.freq, data.dfs_event.ht_enabled,
1347 data.dfs_event.chan_offset, data.dfs_event.chan_width,
1348 data.dfs_event.cf1, data.dfs_event.cf2);
1349
1350 switch (event_type) {
1351 case NL80211_RADAR_DETECTED:
1352 wpa_supplicant_event(drv->ctx, EVENT_DFS_RADAR_DETECTED, &data);
1353 break;
1354 case NL80211_RADAR_CAC_FINISHED:
1355 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_FINISHED, &data);
1356 break;
1357 case NL80211_RADAR_CAC_ABORTED:
1358 wpa_supplicant_event(drv->ctx, EVENT_DFS_CAC_ABORTED, &data);
1359 break;
1360 case NL80211_RADAR_NOP_FINISHED:
1361 wpa_supplicant_event(drv->ctx, EVENT_DFS_NOP_FINISHED, &data);
1362 break;
1363 default:
1364 wpa_printf(MSG_DEBUG, "nl80211: Unknown radar event %d "
1365 "received", event_type);
1366 break;
1367 }
1368}
1369
1370
1371static void nl80211_spurious_frame(struct i802_bss *bss, struct nlattr **tb,
1372 int wds)
1373{
1374 struct wpa_driver_nl80211_data *drv = bss->drv;
1375 union wpa_event_data event;
1376
1377 if (!tb[NL80211_ATTR_MAC])
1378 return;
1379
1380 os_memset(&event, 0, sizeof(event));
1381 event.rx_from_unknown.bssid = bss->addr;
1382 event.rx_from_unknown.addr = nla_data(tb[NL80211_ATTR_MAC]);
1383 event.rx_from_unknown.wds = wds;
1384
1385 wpa_supplicant_event(drv->ctx, EVENT_RX_FROM_UNKNOWN, &event);
1386}
1387
1388
1389static void qca_nl80211_avoid_freq(struct wpa_driver_nl80211_data *drv,
1390 const u8 *data, size_t len)
1391{
1392 u32 i, count;
1393 union wpa_event_data event;
1394 struct wpa_freq_range *range = NULL;
1395 const struct qca_avoid_freq_list *freq_range;
1396
1397 freq_range = (const struct qca_avoid_freq_list *) data;
1398 if (len < sizeof(freq_range->count))
1399 return;
1400
1401 count = freq_range->count;
1402 if (len < sizeof(freq_range->count) +
1403 count * sizeof(struct qca_avoid_freq_range)) {
1404 wpa_printf(MSG_DEBUG, "nl80211: Ignored too short avoid frequency list (len=%u)",
1405 (unsigned int) len);
1406 return;
1407 }
1408
1409 if (count > 0) {
1410 range = os_calloc(count, sizeof(struct wpa_freq_range));
1411 if (range == NULL)
1412 return;
1413 }
1414
1415 os_memset(&event, 0, sizeof(event));
1416 for (i = 0; i < count; i++) {
1417 unsigned int idx = event.freq_range.num;
1418 range[idx].min = freq_range->range[i].start_freq;
1419 range[idx].max = freq_range->range[i].end_freq;
1420 wpa_printf(MSG_DEBUG, "nl80211: Avoid frequency range: %u-%u",
1421 range[idx].min, range[idx].max);
1422 if (range[idx].min > range[idx].max) {
1423 wpa_printf(MSG_DEBUG, "nl80211: Ignore invalid frequency range");
1424 continue;
1425 }
1426 event.freq_range.num++;
1427 }
1428 event.freq_range.range = range;
1429
1430 wpa_supplicant_event(drv->ctx, EVENT_AVOID_FREQUENCIES, &event);
1431
1432 os_free(range);
1433}
1434
1435
1436static void qca_nl80211_key_mgmt_auth(struct wpa_driver_nl80211_data *drv,
1437 const u8 *data, size_t len)
1438{
1439 struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX + 1];
1440 u8 *bssid;
1441
1442 wpa_printf(MSG_DEBUG,
1443 "nl80211: Key management roam+auth vendor event received");
1444
1445 if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_MAX,
1446 (struct nlattr *) data, len, NULL))
1447 return;
1448 if (!tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID] ||
1449 nla_len(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]) != ETH_ALEN ||
1450 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE] ||
1451 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE] ||
1452 !tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED])
1453 return;
1454
1455 bssid = nla_data(tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID]);
1456 wpa_printf(MSG_DEBUG, " * roam BSSID " MACSTR, MAC2STR(bssid));
1457
1458 mlme_event_connect(drv, NL80211_CMD_ROAM, NULL,
1459 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_BSSID],
1460 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_REQ_IE],
1461 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_RESP_IE],
1462 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_AUTHORIZED],
1463 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_KEY_REPLAY_CTR],
1464 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KCK],
1465 tb[QCA_WLAN_VENDOR_ATTR_ROAM_AUTH_PTK_KEK]);
1466}
1467
1468
1469static void nl80211_vendor_event_qca(struct wpa_driver_nl80211_data *drv,
1470 u32 subcmd, u8 *data, size_t len)
1471{
1472 switch (subcmd) {
1473 case QCA_NL80211_VENDOR_SUBCMD_AVOID_FREQUENCY:
1474 qca_nl80211_avoid_freq(drv, data, len);
1475 break;
1476 case QCA_NL80211_VENDOR_SUBCMD_KEY_MGMT_ROAM_AUTH:
1477 qca_nl80211_key_mgmt_auth(drv, data, len);
1478 break;
1479 default:
1480 wpa_printf(MSG_DEBUG,
1481 "nl80211: Ignore unsupported QCA vendor event %u",
1482 subcmd);
1483 break;
1484 }
1485}
1486
1487
1488static void nl80211_vendor_event(struct wpa_driver_nl80211_data *drv,
1489 struct nlattr **tb)
1490{
1491 u32 vendor_id, subcmd, wiphy = 0;
1492 int wiphy_idx;
1493 u8 *data = NULL;
1494 size_t len = 0;
1495
1496 if (!tb[NL80211_ATTR_VENDOR_ID] ||
1497 !tb[NL80211_ATTR_VENDOR_SUBCMD])
1498 return;
1499
1500 vendor_id = nla_get_u32(tb[NL80211_ATTR_VENDOR_ID]);
1501 subcmd = nla_get_u32(tb[NL80211_ATTR_VENDOR_SUBCMD]);
1502
1503 if (tb[NL80211_ATTR_WIPHY])
1504 wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1505
1506 wpa_printf(MSG_DEBUG, "nl80211: Vendor event: wiphy=%u vendor_id=0x%x subcmd=%u",
1507 wiphy, vendor_id, subcmd);
1508
1509 if (tb[NL80211_ATTR_VENDOR_DATA]) {
1510 data = nla_data(tb[NL80211_ATTR_VENDOR_DATA]);
1511 len = nla_len(tb[NL80211_ATTR_VENDOR_DATA]);
1512 wpa_hexdump(MSG_MSGDUMP, "nl80211: Vendor data", data, len);
1513 }
1514
1515 wiphy_idx = nl80211_get_wiphy_index(drv->first_bss);
1516 if (wiphy_idx >= 0 && wiphy_idx != (int) wiphy) {
1517 wpa_printf(MSG_DEBUG, "nl80211: Ignore vendor event for foreign wiphy %u (own: %d)",
1518 wiphy, wiphy_idx);
1519 return;
1520 }
1521
1522 switch (vendor_id) {
1523 case OUI_QCA:
1524 nl80211_vendor_event_qca(drv, subcmd, data, len);
1525 break;
1526 default:
1527 wpa_printf(MSG_DEBUG, "nl80211: Ignore unsupported vendor event");
1528 break;
1529 }
1530}
1531
1532
1533static void nl80211_reg_change_event(struct wpa_driver_nl80211_data *drv,
1534 struct nlattr *tb[])
1535{
1536 union wpa_event_data data;
1537 enum nl80211_reg_initiator init;
1538
1539 wpa_printf(MSG_DEBUG, "nl80211: Regulatory domain change");
1540
1541 if (tb[NL80211_ATTR_REG_INITIATOR] == NULL)
1542 return;
1543
1544 os_memset(&data, 0, sizeof(data));
1545 init = nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR]);
1546 wpa_printf(MSG_DEBUG, " * initiator=%d", init);
1547 switch (init) {
1548 case NL80211_REGDOM_SET_BY_CORE:
1549 data.channel_list_changed.initiator = REGDOM_SET_BY_CORE;
1550 break;
1551 case NL80211_REGDOM_SET_BY_USER:
1552 data.channel_list_changed.initiator = REGDOM_SET_BY_USER;
1553 break;
1554 case NL80211_REGDOM_SET_BY_DRIVER:
1555 data.channel_list_changed.initiator = REGDOM_SET_BY_DRIVER;
1556 break;
1557 case NL80211_REGDOM_SET_BY_COUNTRY_IE:
1558 data.channel_list_changed.initiator = REGDOM_SET_BY_COUNTRY_IE;
1559 break;
1560 }
1561
1562 if (tb[NL80211_ATTR_REG_TYPE]) {
1563 enum nl80211_reg_type type;
1564 type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
1565 wpa_printf(MSG_DEBUG, " * type=%d", type);
1566 switch (type) {
1567 case NL80211_REGDOM_TYPE_COUNTRY:
1568 data.channel_list_changed.type = REGDOM_TYPE_COUNTRY;
1569 break;
1570 case NL80211_REGDOM_TYPE_WORLD:
1571 data.channel_list_changed.type = REGDOM_TYPE_WORLD;
1572 break;
1573 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
1574 data.channel_list_changed.type =
1575 REGDOM_TYPE_CUSTOM_WORLD;
1576 break;
1577 case NL80211_REGDOM_TYPE_INTERSECTION:
1578 data.channel_list_changed.type =
1579 REGDOM_TYPE_INTERSECTION;
1580 break;
1581 }
1582 }
1583
1584 if (tb[NL80211_ATTR_REG_ALPHA2]) {
1585 os_strlcpy(data.channel_list_changed.alpha2,
1586 nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
1587 sizeof(data.channel_list_changed.alpha2));
1588 wpa_printf(MSG_DEBUG, " * alpha2=%s",
1589 data.channel_list_changed.alpha2);
1590 }
1591
1592 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED, &data);
1593}
1594
1595
1596static void do_process_drv_event(struct i802_bss *bss, int cmd,
1597 struct nlattr **tb)
1598{
1599 struct wpa_driver_nl80211_data *drv = bss->drv;
1600 union wpa_event_data data;
1601
1602 wpa_printf(MSG_DEBUG, "nl80211: Drv Event %d (%s) received for %s",
1603 cmd, nl80211_command_to_string(cmd), bss->ifname);
1604
1605 if (cmd == NL80211_CMD_ROAM && drv->roam_auth_vendor_event_avail) {
1606 /*
1607 * Device will use roam+auth vendor event to indicate
1608 * roaming, so ignore the regular roam event.
1609 */
1610 wpa_printf(MSG_DEBUG,
1611 "nl80211: Ignore roam event (cmd=%d), device will use vendor event roam+auth",
1612 cmd);
1613 return;
1614 }
1615
1616 if (drv->ap_scan_as_station != NL80211_IFTYPE_UNSPECIFIED &&
1617 (cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
1618 cmd == NL80211_CMD_SCAN_ABORTED)) {
1619 wpa_driver_nl80211_set_mode(drv->first_bss,
1620 drv->ap_scan_as_station);
1621 drv->ap_scan_as_station = NL80211_IFTYPE_UNSPECIFIED;
1622 }
1623
1624 switch (cmd) {
1625 case NL80211_CMD_TRIGGER_SCAN:
1626 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan trigger");
1627 drv->scan_state = SCAN_STARTED;
1628 if (drv->scan_for_auth) {
1629 /*
1630 * Cannot indicate EVENT_SCAN_STARTED here since we skip
1631 * EVENT_SCAN_RESULTS in scan_for_auth case and the
1632 * upper layer implementation could get confused about
1633 * scanning state.
1634 */
1635 wpa_printf(MSG_DEBUG, "nl80211: Do not indicate scan-start event due to internal scan_for_auth");
1636 break;
1637 }
1638 wpa_supplicant_event(drv->ctx, EVENT_SCAN_STARTED, NULL);
1639 break;
1640 case NL80211_CMD_START_SCHED_SCAN:
1641 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan started");
1642 drv->scan_state = SCHED_SCAN_STARTED;
1643 break;
1644 case NL80211_CMD_SCHED_SCAN_STOPPED:
1645 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Sched scan stopped");
1646 drv->scan_state = SCHED_SCAN_STOPPED;
1647 wpa_supplicant_event(drv->ctx, EVENT_SCHED_SCAN_STOPPED, NULL);
1648 break;
1649 case NL80211_CMD_NEW_SCAN_RESULTS:
1650 wpa_dbg(drv->ctx, MSG_DEBUG,
1651 "nl80211: New scan results available");
1652 drv->scan_state = SCAN_COMPLETED;
1653 drv->scan_complete_events = 1;
1654 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1655 drv->ctx);
1656 send_scan_event(drv, 0, tb);
1657 break;
1658 case NL80211_CMD_SCHED_SCAN_RESULTS:
1659 wpa_dbg(drv->ctx, MSG_DEBUG,
1660 "nl80211: New sched scan results available");
1661 drv->scan_state = SCHED_SCAN_RESULTS;
1662 send_scan_event(drv, 0, tb);
1663 break;
1664 case NL80211_CMD_SCAN_ABORTED:
1665 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Scan aborted");
1666 drv->scan_state = SCAN_ABORTED;
1667 /*
1668 * Need to indicate that scan results are available in order
1669 * not to make wpa_supplicant stop its scanning.
1670 */
1671 eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv,
1672 drv->ctx);
1673 send_scan_event(drv, 1, tb);
1674 break;
1675 case NL80211_CMD_AUTHENTICATE:
1676 case NL80211_CMD_ASSOCIATE:
1677 case NL80211_CMD_DEAUTHENTICATE:
1678 case NL80211_CMD_DISASSOCIATE:
1679 case NL80211_CMD_FRAME_TX_STATUS:
1680 case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1681 case NL80211_CMD_UNPROT_DISASSOCIATE:
1682 mlme_event(bss, cmd, tb[NL80211_ATTR_FRAME],
1683 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
1684 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
1685 tb[NL80211_ATTR_COOKIE],
1686 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
1687 break;
1688 case NL80211_CMD_CONNECT:
1689 case NL80211_CMD_ROAM:
1690 mlme_event_connect(drv, cmd,
1691 tb[NL80211_ATTR_STATUS_CODE],
1692 tb[NL80211_ATTR_MAC],
1693 tb[NL80211_ATTR_REQ_IE],
1694 tb[NL80211_ATTR_RESP_IE],
1695 NULL, NULL, NULL, NULL);
1696 break;
1697 case NL80211_CMD_CH_SWITCH_NOTIFY:
1698 mlme_event_ch_switch(drv,
1699 tb[NL80211_ATTR_IFINDEX],
1700 tb[NL80211_ATTR_WIPHY_FREQ],
1701 tb[NL80211_ATTR_WIPHY_CHANNEL_TYPE],
1702 tb[NL80211_ATTR_CHANNEL_WIDTH],
1703 tb[NL80211_ATTR_CENTER_FREQ1],
1704 tb[NL80211_ATTR_CENTER_FREQ2]);
1705 break;
1706 case NL80211_CMD_DISCONNECT:
1707 mlme_event_disconnect(drv, tb[NL80211_ATTR_REASON_CODE],
1708 tb[NL80211_ATTR_MAC],
1709 tb[NL80211_ATTR_DISCONNECTED_BY_AP]);
1710 break;
1711 case NL80211_CMD_MICHAEL_MIC_FAILURE:
1712 mlme_event_michael_mic_failure(bss, tb);
1713 break;
1714 case NL80211_CMD_JOIN_IBSS:
1715 mlme_event_join_ibss(drv, tb);
1716 break;
1717 case NL80211_CMD_REMAIN_ON_CHANNEL:
1718 mlme_event_remain_on_channel(drv, 0, tb);
1719 break;
1720 case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
1721 mlme_event_remain_on_channel(drv, 1, tb);
1722 break;
1723 case NL80211_CMD_NOTIFY_CQM:
1724 nl80211_cqm_event(drv, tb);
1725 break;
1726 case NL80211_CMD_REG_CHANGE:
1727 nl80211_reg_change_event(drv, tb);
1728 break;
1729 case NL80211_CMD_REG_BEACON_HINT:
1730 wpa_printf(MSG_DEBUG, "nl80211: Regulatory beacon hint");
1731 os_memset(&data, 0, sizeof(data));
1732 data.channel_list_changed.initiator = REGDOM_BEACON_HINT;
1733 wpa_supplicant_event(drv->ctx, EVENT_CHANNEL_LIST_CHANGED,
1734 &data);
1735 break;
1736 case NL80211_CMD_NEW_STATION:
1737 nl80211_new_station_event(drv, tb);
1738 break;
1739 case NL80211_CMD_DEL_STATION:
1740 nl80211_del_station_event(drv, tb);
1741 break;
1742 case NL80211_CMD_SET_REKEY_OFFLOAD:
1743 nl80211_rekey_offload_event(drv, tb);
1744 break;
1745 case NL80211_CMD_PMKSA_CANDIDATE:
1746 nl80211_pmksa_candidate_event(drv, tb);
1747 break;
1748 case NL80211_CMD_PROBE_CLIENT:
1749 nl80211_client_probe_event(drv, tb);
1750 break;
1751 case NL80211_CMD_TDLS_OPER:
1752 nl80211_tdls_oper_event(drv, tb);
1753 break;
1754 case NL80211_CMD_CONN_FAILED:
1755 nl80211_connect_failed_event(drv, tb);
1756 break;
1757 case NL80211_CMD_FT_EVENT:
1758 mlme_event_ft_event(drv, tb);
1759 break;
1760 case NL80211_CMD_RADAR_DETECT:
1761 nl80211_radar_event(drv, tb);
1762 break;
1763 case NL80211_CMD_STOP_AP:
1764 nl80211_stop_ap(drv, tb);
1765 break;
1766 case NL80211_CMD_VENDOR:
1767 nl80211_vendor_event(drv, tb);
1768 break;
1769 case NL80211_CMD_NEW_PEER_CANDIDATE:
1770 nl80211_new_peer_candidate(drv, tb);
1771 break;
1772 default:
1773 wpa_dbg(drv->ctx, MSG_DEBUG, "nl80211: Ignored unknown event "
1774 "(cmd=%d)", cmd);
1775 break;
1776 }
1777}
1778
1779
1780int process_drv_event(struct nl_msg *msg, void *arg)
1781{
1782 struct wpa_driver_nl80211_data *drv = arg;
1783 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1784 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1785 struct i802_bss *bss;
1786 int ifidx = -1;
1787
1788 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1789 genlmsg_attrlen(gnlh, 0), NULL);
1790
1791 if (tb[NL80211_ATTR_IFINDEX]) {
1792 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1793
1794 for (bss = drv->first_bss; bss; bss = bss->next)
1795 if (ifidx == -1 || ifidx == bss->ifindex) {
1796 do_process_drv_event(bss, gnlh->cmd, tb);
1797 return NL_SKIP;
1798 }
1799 wpa_printf(MSG_DEBUG,
1800 "nl80211: Ignored event (cmd=%d) for foreign interface (ifindex %d)",
1801 gnlh->cmd, ifidx);
1802 } else if (tb[NL80211_ATTR_WDEV]) {
1803 u64 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
1804 wpa_printf(MSG_DEBUG, "nl80211: Process event on P2P device");
1805 for (bss = drv->first_bss; bss; bss = bss->next) {
1806 if (bss->wdev_id_set && wdev_id == bss->wdev_id) {
1807 do_process_drv_event(bss, gnlh->cmd, tb);
1808 return NL_SKIP;
1809 }
1810 }
1811 wpa_printf(MSG_DEBUG,
1812 "nl80211: Ignored event (cmd=%d) for foreign interface (wdev 0x%llx)",
1813 gnlh->cmd, (long long unsigned int) wdev_id);
1814 }
1815
1816 return NL_SKIP;
1817}
1818
1819
1820int process_global_event(struct nl_msg *msg, void *arg)
1821{
1822 struct nl80211_global *global = arg;
1823 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1824 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1825 struct wpa_driver_nl80211_data *drv, *tmp;
1826 int ifidx = -1;
1827 struct i802_bss *bss;
1828 u64 wdev_id = 0;
1829 int wdev_id_set = 0;
1830
1831 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1832 genlmsg_attrlen(gnlh, 0), NULL);
1833
1834 if (tb[NL80211_ATTR_IFINDEX])
1835 ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]);
1836 else if (tb[NL80211_ATTR_WDEV]) {
1837 wdev_id = nla_get_u64(tb[NL80211_ATTR_WDEV]);
1838 wdev_id_set = 1;
1839 }
1840
1841 dl_list_for_each_safe(drv, tmp, &global->interfaces,
1842 struct wpa_driver_nl80211_data, list) {
1843 for (bss = drv->first_bss; bss; bss = bss->next) {
1844 if ((ifidx == -1 && !wdev_id_set) ||
1845 ifidx == bss->ifindex ||
1846 (wdev_id_set && bss->wdev_id_set &&
1847 wdev_id == bss->wdev_id)) {
1848 do_process_drv_event(bss, gnlh->cmd, tb);
1849 return NL_SKIP;
1850 }
1851 }
1852 }
1853
1854 return NL_SKIP;
1855}
1856
1857
1858int process_bss_event(struct nl_msg *msg, void *arg)
1859{
1860 struct i802_bss *bss = arg;
1861 struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1862 struct nlattr *tb[NL80211_ATTR_MAX + 1];
1863
1864 nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
1865 genlmsg_attrlen(gnlh, 0), NULL);
1866
1867 wpa_printf(MSG_DEBUG, "nl80211: BSS Event %d (%s) received for %s",
1868 gnlh->cmd, nl80211_command_to_string(gnlh->cmd),
1869 bss->ifname);
1870
1871 switch (gnlh->cmd) {
1872 case NL80211_CMD_FRAME:
1873 case NL80211_CMD_FRAME_TX_STATUS:
1874 mlme_event(bss, gnlh->cmd, tb[NL80211_ATTR_FRAME],
1875 tb[NL80211_ATTR_MAC], tb[NL80211_ATTR_TIMED_OUT],
1876 tb[NL80211_ATTR_WIPHY_FREQ], tb[NL80211_ATTR_ACK],
1877 tb[NL80211_ATTR_COOKIE],
1878 tb[NL80211_ATTR_RX_SIGNAL_DBM]);
1879 break;
1880 case NL80211_CMD_UNEXPECTED_FRAME:
1881 nl80211_spurious_frame(bss, tb, 0);
1882 break;
1883 case NL80211_CMD_UNEXPECTED_4ADDR_FRAME:
1884 nl80211_spurious_frame(bss, tb, 1);
1885 break;
1886 default:
1887 wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
1888 "(cmd=%d)", gnlh->cmd);
1889 break;
1890 }
1891
1892 return NL_SKIP;
1893}
Unnamed repository; edit this file 'description' to name the repository.