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