]> git.ipfire.org Git - thirdparty/hostap.git/blame - src/ap/beacon.c
Remove unused leftover from multi-SSID design
[thirdparty/hostap.git] / src / ap / beacon.c
CommitLineData
6fc6879b
JM
1/*
2 * hostapd / IEEE 802.11 Management: Beacon and Probe Request/Response
3 * Copyright (c) 2002-2004, Instant802 Networks, Inc.
4 * Copyright (c) 2005-2006, Devicescape Software, Inc.
0a66ce3c 5 * Copyright (c) 2008-2012, Jouni Malinen <j@w1.fi>
6fc6879b 6 *
5f9c134a
JM
7 * This software may be distributed under the terms of the BSD license.
8 * See README for more details.
6fc6879b
JM
9 */
10
6226e38d 11#include "utils/includes.h"
6fc6879b
JM
12
13#ifndef CONFIG_NATIVE_WINDOWS
14
6226e38d 15#include "utils/common.h"
81f4f619
JM
16#include "common/ieee802_11_defs.h"
17#include "common/ieee802_11_common.h"
ada157f3 18#include "common/hw_features_common.h"
e44f8bf2
JM
19#include "wps/wps_defs.h"
20#include "p2p/p2p.h"
6fc6879b
JM
21#include "hostapd.h"
22#include "ieee802_11.h"
6226e38d 23#include "wpa_auth.h"
1057d78e 24#include "wmm.h"
6226e38d 25#include "ap_config.h"
6fc6879b 26#include "sta_info.h"
dce044cc 27#include "p2p_hostapd.h"
cee7d66b 28#include "ap_drv_ops.h"
6226e38d 29#include "beacon.h"
19a8ad99 30#include "hs20.h"
3d7ad2f6 31#include "dfs.h"
6fc6879b
JM
32
33
062390ef
JM
34#ifdef NEED_AP_MLME
35
0629eeb4
JM
36static u8 * hostapd_eid_rm_enabled_capab(struct hostapd_data *hapd, u8 *eid,
37 size_t len)
38{
39 if (!hapd->conf->radio_measurements || len < 2 + 4)
40 return eid;
41
42 *eid++ = WLAN_EID_RRM_ENABLED_CAPABILITIES;
43 *eid++ = 5;
44 *eid++ = (hapd->conf->radio_measurements & BIT(0)) ?
45 WLAN_RRM_CAPS_NEIGHBOR_REPORT : 0x00;
46 *eid++ = 0x00;
47 *eid++ = 0x00;
48 *eid++ = 0x00;
49 *eid++ = 0x00;
50 return eid;
51}
52
53
9bc33868
JM
54static u8 * hostapd_eid_bss_load(struct hostapd_data *hapd, u8 *eid, size_t len)
55{
ec8f36af
KP
56 if (len < 2 + 5)
57 return eid;
58
9bc33868
JM
59#ifdef CONFIG_TESTING_OPTIONS
60 if (hapd->conf->bss_load_test_set) {
9bc33868
JM
61 *eid++ = WLAN_EID_BSS_LOAD;
62 *eid++ = 5;
63 os_memcpy(eid, hapd->conf->bss_load_test, 5);
64 eid += 5;
ec8f36af 65 return eid;
9bc33868
JM
66 }
67#endif /* CONFIG_TESTING_OPTIONS */
ec8f36af
KP
68 if (hapd->conf->bss_load_update_period) {
69 *eid++ = WLAN_EID_BSS_LOAD;
70 *eid++ = 5;
71 WPA_PUT_LE16(eid, hapd->num_sta);
72 eid += 2;
73 *eid++ = hapd->iface->channel_utilization;
74 WPA_PUT_LE16(eid, 0); /* no available admission capabity */
75 eid += 2;
76 }
9bc33868
JM
77 return eid;
78}
79
80
6fc6879b
JM
81static u8 ieee802_11_erp_info(struct hostapd_data *hapd)
82{
83 u8 erp = 0;
84
85 if (hapd->iface->current_mode == NULL ||
86 hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
87 return 0;
88
735f6522
JM
89 if (hapd->iface->olbc)
90 erp |= ERP_INFO_USE_PROTECTION;
91 if (hapd->iface->num_sta_non_erp > 0) {
92 erp |= ERP_INFO_NON_ERP_PRESENT |
93 ERP_INFO_USE_PROTECTION;
6fc6879b 94 }
a0fad210
JM
95 if (hapd->iface->num_sta_no_short_preamble > 0 ||
96 hapd->iconf->preamble == LONG_PREAMBLE)
6fc6879b
JM
97 erp |= ERP_INFO_BARKER_PREAMBLE_MODE;
98
99 return erp;
100}
101
102
103static u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid)
104{
105 *eid++ = WLAN_EID_DS_PARAMS;
106 *eid++ = 1;
107 *eid++ = hapd->iconf->channel;
108 return eid;
109}
110
111
112static u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid)
113{
114 if (hapd->iface->current_mode == NULL ||
115 hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G)
116 return eid;
117
118 /* Set NonERP_present and use_protection bits if there
119 * are any associated NonERP stations. */
120 /* TODO: use_protection bit can be set to zero even if
121 * there are NonERP stations present. This optimization
122 * might be useful if NonERP stations are "quiet".
123 * See 802.11g/D6 E-1 for recommended practice.
124 * In addition, Non ERP present might be set, if AP detects Non ERP
125 * operation on other APs. */
126
127 /* Add ERP Information element */
128 *eid++ = WLAN_EID_ERP_INFO;
129 *eid++ = 1;
130 *eid++ = ieee802_11_erp_info(hapd);
131
132 return eid;
133}
134
135
e0392f82
S
136static u8 * hostapd_eid_pwr_constraint(struct hostapd_data *hapd, u8 *eid)
137{
138 u8 *pos = eid;
3d7ad2f6
C
139 u8 local_pwr_constraint = 0;
140 int dfs;
e0392f82 141
3d7ad2f6 142 if (hapd->iface->current_mode == NULL ||
e0392f82
S
143 hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211A)
144 return eid;
145
c53a9bf8
SD
146 /* Let host drivers add this IE if DFS support is offloaded */
147 if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_DFS_OFFLOAD)
148 return eid;
149
3d7ad2f6
C
150 /*
151 * There is no DFS support and power constraint was not directly
152 * requested by config option.
153 */
154 if (!hapd->iconf->ieee80211h &&
155 hapd->iconf->local_pwr_constraint == -1)
156 return eid;
157
158 /* Check if DFS is required by regulatory. */
159 dfs = hostapd_is_dfs_required(hapd->iface);
160 if (dfs < 0) {
161 wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d",
162 dfs);
163 dfs = 0;
164 }
165
166 if (dfs == 0 && hapd->iconf->local_pwr_constraint == -1)
167 return eid;
168
169 /*
170 * ieee80211h (DFS) is enabled so Power Constraint element shall
171 * be added when running on DFS channel whenever local_pwr_constraint
172 * is configured or not. In order to meet regulations when TPC is not
173 * implemented using a transmit power that is below the legal maximum
174 * (including any mitigation factor) should help. In this case,
175 * indicate 3 dB below maximum allowed transmit power.
176 */
177 if (hapd->iconf->local_pwr_constraint == -1)
178 local_pwr_constraint = 3;
179
e0392f82
S
180 /*
181 * A STA that is not an AP shall use a transmit power less than or
182 * equal to the local maximum transmit power level for the channel.
183 * The local maximum transmit power can be calculated from the formula:
184 * local max TX pwr = max TX pwr - local pwr constraint
185 * Where max TX pwr is maximum transmit power level specified for
186 * channel in Country element and local pwr constraint is specified
187 * for channel in this Power Constraint element.
188 */
189
190 /* Element ID */
191 *pos++ = WLAN_EID_PWR_CONSTRAINT;
192 /* Length */
193 *pos++ = 1;
194 /* Local Power Constraint */
3d7ad2f6
C
195 if (local_pwr_constraint)
196 *pos++ = local_pwr_constraint;
197 else
198 *pos++ = hapd->iconf->local_pwr_constraint;
e0392f82
S
199
200 return pos;
201}
202
203
df73d284
JM
204static u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing,
205 struct hostapd_channel_data *start,
206 struct hostapd_channel_data *prev)
207{
208 if (end - pos < 3)
209 return pos;
210
211 /* first channel number */
212 *pos++ = start->chan;
213 /* number of channels */
214 *pos++ = (prev->chan - start->chan) / chan_spacing + 1;
215 /* maximum transmit power level */
216 *pos++ = start->max_tx_power;
217
218 return pos;
219}
220
221
6fc6879b
JM
222static u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid,
223 int max_len)
224{
225 u8 *pos = eid;
df73d284
JM
226 u8 *end = eid + max_len;
227 int i;
228 struct hostapd_hw_modes *mode;
229 struct hostapd_channel_data *start, *prev;
230 int chan_spacing = 1;
231
232 if (!hapd->iconf->ieee80211d || max_len < 6 ||
233 hapd->iface->current_mode == NULL)
6fc6879b
JM
234 return eid;
235
236 *pos++ = WLAN_EID_COUNTRY;
237 pos++; /* length will be set later */
238 os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */
239 pos += 3;
240
df73d284
JM
241 mode = hapd->iface->current_mode;
242 if (mode->mode == HOSTAPD_MODE_IEEE80211A)
243 chan_spacing = 4;
244
245 start = prev = NULL;
246 for (i = 0; i < mode->num_channels; i++) {
247 struct hostapd_channel_data *chan = &mode->channels[i];
248 if (chan->flag & HOSTAPD_CHAN_DISABLED)
249 continue;
250 if (start && prev &&
251 prev->chan + chan_spacing == chan->chan &&
252 start->max_tx_power == chan->max_tx_power) {
253 prev = chan;
254 continue; /* can use same entry */
255 }
256
bc32bb70 257 if (start && prev) {
df73d284
JM
258 pos = hostapd_eid_country_add(pos, end, chan_spacing,
259 start, prev);
260 start = NULL;
261 }
262
263 /* Start new group */
264 start = prev = chan;
265 }
266
267 if (start) {
268 pos = hostapd_eid_country_add(pos, end, chan_spacing,
269 start, prev);
270 }
271
272 if ((pos - eid) & 1) {
273 if (end - pos < 1)
274 return eid;
6fc6879b 275 *pos++ = 0; /* pad for 16-bit alignment */
df73d284 276 }
6fc6879b
JM
277
278 eid[1] = (pos - eid) - 2;
279
280 return pos;
281}
282
283
6c0575c3 284static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len)
6fc6879b
JM
285{
286 const u8 *ie;
287 size_t ielen;
288
289 ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen);
290 if (ie == NULL || ielen > len)
291 return eid;
292
293 os_memcpy(eid, ie, ielen);
294 return eid + ielen;
295}
296
297
bf281c12
AO
298static u8 * hostapd_eid_csa(struct hostapd_data *hapd, u8 *eid)
299{
300 u8 chan;
301
6782b684 302 if (!hapd->cs_freq_params.freq)
bf281c12
AO
303 return eid;
304
6782b684 305 if (ieee80211_freq_to_chan(hapd->cs_freq_params.freq, &chan) ==
bf281c12
AO
306 NUM_HOSTAPD_MODES)
307 return eid;
308
309 *eid++ = WLAN_EID_CHANNEL_SWITCH;
310 *eid++ = 3;
6782b684 311 *eid++ = hapd->cs_block_tx;
bf281c12 312 *eid++ = chan;
6782b684 313 *eid++ = hapd->cs_count;
bf281c12
AO
314
315 return eid;
316}
317
318
76aab030
AO
319static u8 * hostapd_eid_secondary_channel(struct hostapd_data *hapd, u8 *eid)
320{
321 u8 sec_ch;
322
6782b684 323 if (!hapd->cs_freq_params.sec_channel_offset)
76aab030
AO
324 return eid;
325
6782b684 326 if (hapd->cs_freq_params.sec_channel_offset == -1)
76aab030 327 sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW;
6782b684 328 else if (hapd->cs_freq_params.sec_channel_offset == 1)
76aab030
AO
329 sec_ch = HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE;
330 else
331 return eid;
332
333 *eid++ = WLAN_EID_SECONDARY_CHANNEL_OFFSET;
334 *eid++ = 1;
335 *eid++ = sec_ch;
336
337 return eid;
338}
339
340
341static u8 * hostapd_add_csa_elems(struct hostapd_data *hapd, u8 *pos,
342 u8 *start, unsigned int *csa_counter_off)
343{
344 u8 *old_pos = pos;
345
346 if (!csa_counter_off)
347 return pos;
348
349 *csa_counter_off = 0;
350 pos = hostapd_eid_csa(hapd, pos);
351
352 if (pos != old_pos) {
353 /* save an offset to the counter - should be last byte */
354 *csa_counter_off = pos - start - 1;
355 pos = hostapd_eid_secondary_channel(hapd, pos);
356 }
357
358 return pos;
359}
360
361
eacc6b24 362static u8 * hostapd_gen_probe_resp(struct hostapd_data *hapd,
eacc6b24
AN
363 const struct ieee80211_mgmt *req,
364 int is_p2p, size_t *resp_len)
365{
366 struct ieee80211_mgmt *resp;
76aab030 367 u8 *pos, *epos;
eacc6b24
AN
368 size_t buflen;
369
370#define MAX_PROBERESP_LEN 768
371 buflen = MAX_PROBERESP_LEN;
372#ifdef CONFIG_WPS
373 if (hapd->wps_probe_resp_ie)
374 buflen += wpabuf_len(hapd->wps_probe_resp_ie);
375#endif /* CONFIG_WPS */
376#ifdef CONFIG_P2P
377 if (hapd->p2p_probe_resp_ie)
378 buflen += wpabuf_len(hapd->p2p_probe_resp_ie);
379#endif /* CONFIG_P2P */
b52f084c
JM
380 if (hapd->conf->vendor_elements)
381 buflen += wpabuf_len(hapd->conf->vendor_elements);
e7d0e97b
YL
382 if (hapd->conf->vendor_vht) {
383 buflen += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
384 2 + sizeof(struct ieee80211_vht_operation);
385 }
eacc6b24
AN
386 resp = os_zalloc(buflen);
387 if (resp == NULL)
388 return NULL;
389
390 epos = ((u8 *) resp) + MAX_PROBERESP_LEN;
391
392 resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
393 WLAN_FC_STYPE_PROBE_RESP);
394 if (req)
395 os_memcpy(resp->da, req->sa, ETH_ALEN);
396 os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
397
398 os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
399 resp->u.probe_resp.beacon_int =
400 host_to_le16(hapd->iconf->beacon_int);
401
402 /* hardware or low-level driver will setup seq_ctrl and timestamp */
403 resp->u.probe_resp.capab_info =
f41ded6f 404 host_to_le16(hostapd_own_capab_info(hapd));
eacc6b24
AN
405
406 pos = resp->u.probe_resp.variable;
407 *pos++ = WLAN_EID_SSID;
408 *pos++ = hapd->conf->ssid.ssid_len;
409 os_memcpy(pos, hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len);
410 pos += hapd->conf->ssid.ssid_len;
411
412 /* Supported rates */
413 pos = hostapd_eid_supp_rates(hapd, pos);
414
415 /* DS Params */
416 pos = hostapd_eid_ds_params(hapd, pos);
417
418 pos = hostapd_eid_country(hapd, pos, epos - pos);
419
e0392f82
S
420 /* Power Constraint element */
421 pos = hostapd_eid_pwr_constraint(hapd, pos);
422
eacc6b24
AN
423 /* ERP Information element */
424 pos = hostapd_eid_erp_info(hapd, pos);
425
426 /* Extended supported rates */
427 pos = hostapd_eid_ext_supp_rates(hapd, pos);
428
429 /* RSN, MDIE, WPA */
430 pos = hostapd_eid_wpa(hapd, pos, epos - pos);
431
9bc33868
JM
432 pos = hostapd_eid_bss_load(hapd, pos, epos - pos);
433
0629eeb4
JM
434 pos = hostapd_eid_rm_enabled_capab(hapd, pos, epos - pos);
435
eacc6b24
AN
436#ifdef CONFIG_IEEE80211N
437 pos = hostapd_eid_ht_capabilities(hapd, pos);
438 pos = hostapd_eid_ht_operation(hapd, pos);
439#endif /* CONFIG_IEEE80211N */
440
441 pos = hostapd_eid_ext_capab(hapd, pos);
442
443 pos = hostapd_eid_time_adv(hapd, pos);
444 pos = hostapd_eid_time_zone(hapd, pos);
445
446 pos = hostapd_eid_interworking(hapd, pos);
447 pos = hostapd_eid_adv_proto(hapd, pos);
448 pos = hostapd_eid_roaming_consortium(hapd, pos);
449
76aab030 450 pos = hostapd_add_csa_elems(hapd, pos, (u8 *)resp,
6782b684 451 &hapd->cs_c_off_proberesp);
532b16c7 452#ifdef CONFIG_IEEE80211AC
e7d0e97b
YL
453 if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
454 pos = hostapd_eid_vht_capabilities(hapd, pos);
455 pos = hostapd_eid_vht_operation(hapd, pos);
456 }
457 if (hapd->conf->vendor_vht)
458 pos = hostapd_eid_vendor_vht(hapd, pos);
532b16c7
MP
459#endif /* CONFIG_IEEE80211AC */
460
eacc6b24
AN
461 /* Wi-Fi Alliance WMM */
462 pos = hostapd_eid_wmm(hapd, pos);
463
464#ifdef CONFIG_WPS
465 if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) {
466 os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie),
467 wpabuf_len(hapd->wps_probe_resp_ie));
468 pos += wpabuf_len(hapd->wps_probe_resp_ie);
469 }
470#endif /* CONFIG_WPS */
471
472#ifdef CONFIG_P2P
473 if ((hapd->conf->p2p & P2P_ENABLED) && is_p2p &&
474 hapd->p2p_probe_resp_ie) {
475 os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie),
476 wpabuf_len(hapd->p2p_probe_resp_ie));
477 pos += wpabuf_len(hapd->p2p_probe_resp_ie);
478 }
479#endif /* CONFIG_P2P */
480#ifdef CONFIG_P2P_MANAGER
481 if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
482 P2P_MANAGE)
483 pos = hostapd_eid_p2p_manage(hapd, pos);
484#endif /* CONFIG_P2P_MANAGER */
485
19a8ad99
JK
486#ifdef CONFIG_HS20
487 pos = hostapd_eid_hs20_indication(hapd, pos);
a14896e8 488 pos = hostapd_eid_osen(hapd, pos);
19a8ad99
JK
489#endif /* CONFIG_HS20 */
490
b52f084c
JM
491 if (hapd->conf->vendor_elements) {
492 os_memcpy(pos, wpabuf_head(hapd->conf->vendor_elements),
493 wpabuf_len(hapd->conf->vendor_elements));
494 pos += wpabuf_len(hapd->conf->vendor_elements);
495 }
496
eacc6b24
AN
497 *resp_len = pos - (u8 *) resp;
498 return (u8 *) resp;
499}
500
501
0a66ce3c
JM
502enum ssid_match_result {
503 NO_SSID_MATCH,
504 EXACT_SSID_MATCH,
505 WILDCARD_SSID_MATCH
506};
507
508static enum ssid_match_result ssid_match(struct hostapd_data *hapd,
509 const u8 *ssid, size_t ssid_len,
510 const u8 *ssid_list,
511 size_t ssid_list_len)
512{
513 const u8 *pos, *end;
514 int wildcard = 0;
515
516 if (ssid_len == 0)
517 wildcard = 1;
518 if (ssid_len == hapd->conf->ssid.ssid_len &&
519 os_memcmp(ssid, hapd->conf->ssid.ssid, ssid_len) == 0)
520 return EXACT_SSID_MATCH;
521
522 if (ssid_list == NULL)
523 return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
524
525 pos = ssid_list;
526 end = ssid_list + ssid_list_len;
527 while (pos + 1 <= end) {
528 if (pos + 2 + pos[1] > end)
529 break;
530 if (pos[1] == 0)
531 wildcard = 1;
532 if (pos[1] == hapd->conf->ssid.ssid_len &&
533 os_memcmp(pos + 2, hapd->conf->ssid.ssid, pos[1]) == 0)
534 return EXACT_SSID_MATCH;
535 pos += 2 + pos[1];
536 }
537
538 return wildcard ? WILDCARD_SSID_MATCH : NO_SSID_MATCH;
539}
540
541
b57e086c 542void handle_probe_req(struct hostapd_data *hapd,
baf513d6
JB
543 const struct ieee80211_mgmt *mgmt, size_t len,
544 int ssi_signal)
6fc6879b 545{
eacc6b24 546 u8 *resp;
6fc6879b 547 struct ieee802_11_elems elems;
b57e086c 548 const u8 *ie;
eacc6b24 549 size_t ie_len;
eacc6b24 550 size_t i, resp_len;
9a898ee8 551 int noack;
0a66ce3c 552 enum ssid_match_result res;
6fc6879b
JM
553
554 ie = mgmt->u.probe_req.variable;
cbcf92b4
JM
555 if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
556 return;
6fc6879b
JM
557 ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
558
94709ea3 559 for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++)
cd7d80f3 560 if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx,
04a85e44 561 mgmt->sa, mgmt->da, mgmt->bssid,
baf513d6 562 ie, ie_len, ssi_signal) > 0)
cd7d80f3 563 return;
ad08c363 564
6fc6879b
JM
565 if (!hapd->iconf->send_probe_response)
566 return;
567
3d536eb4 568 if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) {
6fc6879b
JM
569 wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR,
570 MAC2STR(mgmt->sa));
571 return;
572 }
573
6fc6879b
JM
574 if ((!elems.ssid || !elems.supp_rates)) {
575 wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request "
576 "without SSID or supported rates element",
577 MAC2STR(mgmt->sa));
578 return;
579 }
580
c612ae97
IP
581 /*
582 * No need to reply if the Probe Request frame was sent on an adjacent
583 * channel. IEEE Std 802.11-2012 describes this as a requirement for an
584 * AP with dot11RadioMeasurementActivated set to true, but strictly
585 * speaking does not allow such ignoring of Probe Request frames if
586 * dot11RadioMeasurementActivated is false. Anyway, this can help reduce
587 * number of unnecessary Probe Response frames for cases where the STA
588 * is less likely to see them (Probe Request frame sent on a
589 * neighboring, but partially overlapping, channel).
590 */
591 if (elems.ds_params && elems.ds_params_len == 1 &&
592 hapd->iface->current_mode &&
593 (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G ||
594 hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211B) &&
595 hapd->iconf->channel != elems.ds_params[0]) {
596 wpa_printf(MSG_DEBUG,
597 "Ignore Probe Request due to DS Params mismatch: chan=%u != ds.chan=%u",
598 hapd->iconf->channel, elems.ds_params[0]);
599 return;
600 }
601
e44f8bf2
JM
602#ifdef CONFIG_P2P
603 if (hapd->p2p && elems.wps_ie) {
604 struct wpabuf *wps;
605 wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA);
606 if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) {
607 wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
608 "due to mismatch with Requested Device "
609 "Type");
610 wpabuf_free(wps);
611 return;
612 }
613 wpabuf_free(wps);
614 }
8017b538
JM
615
616 if (hapd->p2p && elems.p2p) {
617 struct wpabuf *p2p;
618 p2p = ieee802_11_vendor_ie_concat(ie, ie_len, P2P_IE_VENDOR_TYPE);
619 if (p2p && !p2p_group_match_dev_id(hapd->p2p_group, p2p)) {
620 wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request "
621 "due to mismatch with Device ID");
622 wpabuf_free(p2p);
623 return;
624 }
625 wpabuf_free(p2p);
626 }
e44f8bf2
JM
627#endif /* CONFIG_P2P */
628
0a66ce3c
JM
629 if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0 &&
630 elems.ssid_list_len == 0) {
6fc6879b
JM
631 wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for "
632 "broadcast SSID ignored", MAC2STR(mgmt->sa));
633 return;
634 }
635
e44f8bf2
JM
636#ifdef CONFIG_P2P
637 if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
638 elems.ssid_len == P2P_WILDCARD_SSID_LEN &&
639 os_memcmp(elems.ssid, P2P_WILDCARD_SSID,
640 P2P_WILDCARD_SSID_LEN) == 0) {
641 /* Process P2P Wildcard SSID like Wildcard SSID */
642 elems.ssid_len = 0;
643 }
644#endif /* CONFIG_P2P */
645
0a66ce3c
JM
646 res = ssid_match(hapd, elems.ssid, elems.ssid_len,
647 elems.ssid_list, elems.ssid_list_len);
f41ded6f 648 if (res == NO_SSID_MATCH) {
6fc6879b 649 if (!(mgmt->da[0] & 0x01)) {
6fc6879b 650 wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
0a66ce3c 651 " for foreign SSID '%s' (DA " MACSTR ")%s",
b37d582e
JM
652 MAC2STR(mgmt->sa),
653 wpa_ssid_txt(elems.ssid, elems.ssid_len),
0a66ce3c
JM
654 MAC2STR(mgmt->da),
655 elems.ssid_list ? " (SSID list)" : "");
6fc6879b
JM
656 }
657 return;
658 }
659
122ba579 660#ifdef CONFIG_INTERWORKING
2aa82e52
MB
661 if (hapd->conf->interworking &&
662 elems.interworking && elems.interworking_len >= 1) {
122ba579
JM
663 u8 ant = elems.interworking[0] & 0x0f;
664 if (ant != INTERWORKING_ANT_WILDCARD &&
665 ant != hapd->conf->access_network_type) {
666 wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
667 " for mismatching ANT %u ignored",
668 MAC2STR(mgmt->sa), ant);
669 return;
670 }
671 }
672
2aa82e52 673 if (hapd->conf->interworking && elems.interworking &&
122ba579
JM
674 (elems.interworking_len == 7 || elems.interworking_len == 9)) {
675 const u8 *hessid;
676 if (elems.interworking_len == 7)
677 hessid = elems.interworking + 1;
678 else
679 hessid = elems.interworking + 1 + 2;
680 if (!is_broadcast_ether_addr(hessid) &&
681 os_memcmp(hessid, hapd->conf->hessid, ETH_ALEN) != 0) {
682 wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR
683 " for mismatching HESSID " MACSTR
684 " ignored",
685 MAC2STR(mgmt->sa), MAC2STR(hessid));
686 return;
687 }
688 }
689#endif /* CONFIG_INTERWORKING */
690
85b4eac3
JM
691#ifdef CONFIG_P2P
692 if ((hapd->conf->p2p & P2P_GROUP_OWNER) &&
693 supp_rates_11b_only(&elems)) {
694 /* Indicates support for 11b rates only */
695 wpa_printf(MSG_EXCESSIVE, "P2P: Ignore Probe Request from "
696 MACSTR " with only 802.11b rates",
697 MAC2STR(mgmt->sa));
698 return;
699 }
700#endif /* CONFIG_P2P */
701
6fc6879b
JM
702 /* TODO: verify that supp_rates contains at least one matching rate
703 * with AP configuration */
eacc6b24 704
c2aff6b1 705#ifdef CONFIG_TESTING_OPTIONS
06df2aa6 706 if (hapd->iconf->ignore_probe_probability > 0.0 &&
c2aff6b1
JB
707 drand48() < hapd->iconf->ignore_probe_probability) {
708 wpa_printf(MSG_INFO,
709 "TESTING: ignoring probe request from " MACSTR,
710 MAC2STR(mgmt->sa));
711 return;
712 }
713#endif /* CONFIG_TESTING_OPTIONS */
714
f41ded6f 715 resp = hostapd_gen_probe_resp(hapd, mgmt, elems.p2p != NULL,
eacc6b24 716 &resp_len);
6fc6879b
JM
717 if (resp == NULL)
718 return;
e44f8bf2 719
9a898ee8
HS
720 /*
721 * If this is a broadcast probe request, apply no ack policy to avoid
722 * excessive retries.
723 */
0a66ce3c
JM
724 noack = !!(res == WILDCARD_SSID_MATCH &&
725 is_broadcast_ether_addr(mgmt->da));
9a898ee8 726
eacc6b24 727 if (hostapd_drv_send_mlme(hapd, resp, resp_len, noack) < 0)
61323e70 728 wpa_printf(MSG_INFO, "handle_probe_req: send failed");
6fc6879b
JM
729
730 os_free(resp);
731
2d8bf732 732 wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s "
6fc6879b
JM
733 "SSID", MAC2STR(mgmt->sa),
734 elems.ssid_len == 0 ? "broadcast" : "our");
735}
736
5b99e21a
AN
737
738static u8 * hostapd_probe_resp_offloads(struct hostapd_data *hapd,
739 size_t *resp_len)
740{
741 /* check probe response offloading caps and print warnings */
742 if (!(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_PROBE_RESP_OFFLOAD))
743 return NULL;
744
745#ifdef CONFIG_WPS
746 if (hapd->conf->wps_state && hapd->wps_probe_resp_ie &&
747 (!(hapd->iface->probe_resp_offloads &
748 (WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS |
749 WPA_DRIVER_PROBE_RESP_OFFLOAD_WPS2))))
750 wpa_printf(MSG_WARNING, "Device is trying to offload WPS "
751 "Probe Response while not supporting this");
752#endif /* CONFIG_WPS */
753
754#ifdef CONFIG_P2P
755 if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_probe_resp_ie &&
756 !(hapd->iface->probe_resp_offloads &
757 WPA_DRIVER_PROBE_RESP_OFFLOAD_P2P))
758 wpa_printf(MSG_WARNING, "Device is trying to offload P2P "
759 "Probe Response while not supporting this");
760#endif /* CONFIG_P2P */
761
762 if (hapd->conf->interworking &&
763 !(hapd->iface->probe_resp_offloads &
764 WPA_DRIVER_PROBE_RESP_OFFLOAD_INTERWORKING))
765 wpa_printf(MSG_WARNING, "Device is trying to offload "
766 "Interworking Probe Response while not supporting "
767 "this");
768
769 /* Generate a Probe Response template for the non-P2P case */
f41ded6f 770 return hostapd_gen_probe_resp(hapd, NULL, 0, resp_len);
5b99e21a
AN
771}
772
062390ef
JM
773#endif /* NEED_AP_MLME */
774
775
e44a384b
AO
776int ieee802_11_build_ap_params(struct hostapd_data *hapd,
777 struct wpa_driver_ap_params *params)
6fc6879b 778{
062390ef
JM
779 struct ieee80211_mgmt *head = NULL;
780 u8 *tail = NULL;
781 size_t head_len = 0, tail_len = 0;
5b99e21a
AN
782 u8 *resp = NULL;
783 size_t resp_len = 0;
062390ef
JM
784#ifdef NEED_AP_MLME
785 u16 capab_info;
76aab030 786 u8 *pos, *tailpos;
062390ef 787
6fc6879b
JM
788#define BEACON_HEAD_BUF_SIZE 256
789#define BEACON_TAIL_BUF_SIZE 512
790 head = os_zalloc(BEACON_HEAD_BUF_SIZE);
1c08f8c0
JM
791 tail_len = BEACON_TAIL_BUF_SIZE;
792#ifdef CONFIG_WPS
793 if (hapd->conf->wps_state && hapd->wps_beacon_ie)
794 tail_len += wpabuf_len(hapd->wps_beacon_ie);
795#endif /* CONFIG_WPS */
e44f8bf2
JM
796#ifdef CONFIG_P2P
797 if (hapd->p2p_beacon_ie)
798 tail_len += wpabuf_len(hapd->p2p_beacon_ie);
799#endif /* CONFIG_P2P */
b52f084c
JM
800 if (hapd->conf->vendor_elements)
801 tail_len += wpabuf_len(hapd->conf->vendor_elements);
e7d0e97b
YL
802
803#ifdef CONFIG_IEEE80211AC
804 if (hapd->conf->vendor_vht) {
805 tail_len += 5 + 2 + sizeof(struct ieee80211_vht_capabilities) +
806 2 + sizeof(struct ieee80211_vht_operation);
807 }
808#endif /* CONFIG_IEEE80211AC */
809
1c08f8c0 810 tailpos = tail = os_malloc(tail_len);
6fc6879b
JM
811 if (head == NULL || tail == NULL) {
812 wpa_printf(MSG_ERROR, "Failed to set beacon data");
813 os_free(head);
814 os_free(tail);
e44a384b 815 return -1;
6fc6879b
JM
816 }
817
818 head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
819 WLAN_FC_STYPE_BEACON);
820 head->duration = host_to_le16(0);
821 os_memset(head->da, 0xff, ETH_ALEN);
822
823 os_memcpy(head->sa, hapd->own_addr, ETH_ALEN);
824 os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN);
825 head->u.beacon.beacon_int =
826 host_to_le16(hapd->iconf->beacon_int);
827
828 /* hardware or low-level driver will setup seq_ctrl and timestamp */
f41ded6f 829 capab_info = hostapd_own_capab_info(hapd);
6fc6879b
JM
830 head->u.beacon.capab_info = host_to_le16(capab_info);
831 pos = &head->u.beacon.variable[0];
832
833 /* SSID */
834 *pos++ = WLAN_EID_SSID;
835 if (hapd->conf->ignore_broadcast_ssid == 2) {
836 /* clear the data, but keep the correct length of the SSID */
837 *pos++ = hapd->conf->ssid.ssid_len;
838 os_memset(pos, 0, hapd->conf->ssid.ssid_len);
839 pos += hapd->conf->ssid.ssid_len;
840 } else if (hapd->conf->ignore_broadcast_ssid) {
841 *pos++ = 0; /* empty SSID */
842 } else {
843 *pos++ = hapd->conf->ssid.ssid_len;
844 os_memcpy(pos, hapd->conf->ssid.ssid,
845 hapd->conf->ssid.ssid_len);
846 pos += hapd->conf->ssid.ssid_len;
847 }
848
849 /* Supported rates */
850 pos = hostapd_eid_supp_rates(hapd, pos);
851
852 /* DS Params */
853 pos = hostapd_eid_ds_params(hapd, pos);
854
855 head_len = pos - (u8 *) head;
856
857 tailpos = hostapd_eid_country(hapd, tailpos,
858 tail + BEACON_TAIL_BUF_SIZE - tailpos);
859
e0392f82
S
860 /* Power Constraint element */
861 tailpos = hostapd_eid_pwr_constraint(hapd, tailpos);
862
6fc6879b
JM
863 /* ERP Information element */
864 tailpos = hostapd_eid_erp_info(hapd, tailpos);
865
866 /* Extended supported rates */
867 tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos);
868
1bc774a1 869 /* RSN, MDIE, WPA */
6fc6879b 870 tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE -
6c0575c3 871 tailpos);
6fc6879b 872
0629eeb4
JM
873 tailpos = hostapd_eid_rm_enabled_capab(hapd, tailpos,
874 tail + BEACON_TAIL_BUF_SIZE -
875 tailpos);
876
9bc33868
JM
877 tailpos = hostapd_eid_bss_load(hapd, tailpos,
878 tail + BEACON_TAIL_BUF_SIZE - tailpos);
879
de9289c8 880#ifdef CONFIG_IEEE80211N
677449b9
JM
881 tailpos = hostapd_eid_ht_capabilities(hapd, tailpos);
882 tailpos = hostapd_eid_ht_operation(hapd, tailpos);
de9289c8
JM
883#endif /* CONFIG_IEEE80211N */
884
1161ff1e
JM
885 tailpos = hostapd_eid_ext_capab(hapd, tailpos);
886
39b97072
JM
887 /*
888 * TODO: Time Advertisement element should only be included in some
889 * DTIM Beacon frames.
890 */
891 tailpos = hostapd_eid_time_adv(hapd, tailpos);
892
b83e3e93 893 tailpos = hostapd_eid_interworking(hapd, tailpos);
c7c178e1 894 tailpos = hostapd_eid_adv_proto(hapd, tailpos);
4b2a77ab 895 tailpos = hostapd_eid_roaming_consortium(hapd, tailpos);
76aab030 896 tailpos = hostapd_add_csa_elems(hapd, tailpos, tail,
6782b684 897 &hapd->cs_c_off_beacon);
532b16c7 898#ifdef CONFIG_IEEE80211AC
e7d0e97b
YL
899 if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
900 tailpos = hostapd_eid_vht_capabilities(hapd, tailpos);
901 tailpos = hostapd_eid_vht_operation(hapd, tailpos);
902 }
903 if (hapd->conf->vendor_vht)
904 tailpos = hostapd_eid_vendor_vht(hapd, tailpos);
532b16c7
MP
905#endif /* CONFIG_IEEE80211AC */
906
1bc774a1
JM
907 /* Wi-Fi Alliance WMM */
908 tailpos = hostapd_eid_wmm(hapd, tailpos);
909
ad08c363
JM
910#ifdef CONFIG_WPS
911 if (hapd->conf->wps_state && hapd->wps_beacon_ie) {
14f79386
JM
912 os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie),
913 wpabuf_len(hapd->wps_beacon_ie));
914 tailpos += wpabuf_len(hapd->wps_beacon_ie);
ad08c363
JM
915 }
916#endif /* CONFIG_WPS */
917
e44f8bf2
JM
918#ifdef CONFIG_P2P
919 if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) {
920 os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie),
921 wpabuf_len(hapd->p2p_beacon_ie));
922 tailpos += wpabuf_len(hapd->p2p_beacon_ie);
923 }
924#endif /* CONFIG_P2P */
962473c1
JM
925#ifdef CONFIG_P2P_MANAGER
926 if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) ==
927 P2P_MANAGE)
928 tailpos = hostapd_eid_p2p_manage(hapd, tailpos);
929#endif /* CONFIG_P2P_MANAGER */
e44f8bf2 930
19a8ad99
JK
931#ifdef CONFIG_HS20
932 tailpos = hostapd_eid_hs20_indication(hapd, tailpos);
a14896e8 933 tailpos = hostapd_eid_osen(hapd, tailpos);
19a8ad99
JK
934#endif /* CONFIG_HS20 */
935
b52f084c
JM
936 if (hapd->conf->vendor_elements) {
937 os_memcpy(tailpos, wpabuf_head(hapd->conf->vendor_elements),
938 wpabuf_len(hapd->conf->vendor_elements));
939 tailpos += wpabuf_len(hapd->conf->vendor_elements);
940 }
941
6fc6879b
JM
942 tail_len = tailpos > tail ? tailpos - tail : 0;
943
5b99e21a 944 resp = hostapd_probe_resp_offloads(hapd, &resp_len);
062390ef
JM
945#endif /* NEED_AP_MLME */
946
e44a384b
AO
947 os_memset(params, 0, sizeof(*params));
948 params->head = (u8 *) head;
949 params->head_len = head_len;
950 params->tail = tail;
951 params->tail_len = tail_len;
952 params->proberesp = resp;
953 params->proberesp_len = resp_len;
954 params->dtim_period = hapd->conf->dtim_period;
955 params->beacon_int = hapd->iconf->beacon_int;
956 params->basic_rates = hapd->iface->basic_rates;
957 params->ssid = hapd->conf->ssid.ssid;
958 params->ssid_len = hapd->conf->ssid.ssid_len;
95b6bca6
DPS
959 params->pairwise_ciphers = hapd->conf->wpa_pairwise |
960 hapd->conf->rsn_pairwise;
e44a384b
AO
961 params->group_cipher = hapd->conf->wpa_group;
962 params->key_mgmt_suites = hapd->conf->wpa_key_mgmt;
963 params->auth_algs = hapd->conf->auth_algs;
964 params->wpa_version = hapd->conf->wpa;
965 params->privacy = hapd->conf->ssid.wep.keys_set || hapd->conf->wpa ||
b11d1d64
JM
966 (hapd->conf->ieee802_1x &&
967 (hapd->conf->default_wep_key_len ||
968 hapd->conf->individual_wep_key_len));
97a7a0b5
JM
969 switch (hapd->conf->ignore_broadcast_ssid) {
970 case 0:
e44a384b 971 params->hide_ssid = NO_SSID_HIDING;
97a7a0b5
JM
972 break;
973 case 1:
e44a384b 974 params->hide_ssid = HIDDEN_SSID_ZERO_LEN;
97a7a0b5
JM
975 break;
976 case 2:
e44a384b 977 params->hide_ssid = HIDDEN_SSID_ZERO_CONTENTS;
97a7a0b5
JM
978 break;
979 }
e44a384b 980 params->isolate = hapd->conf->isolate;
8f461b50 981 params->smps_mode = hapd->iconf->ht_capab & HT_CAP_INFO_SMPS_MASK;
31357268 982#ifdef NEED_AP_MLME
e44a384b 983 params->cts_protect = !!(ieee802_11_erp_info(hapd) &
31357268 984 ERP_INFO_USE_PROTECTION);
e44a384b 985 params->preamble = hapd->iface->num_sta_no_short_preamble == 0 &&
31357268
JM
986 hapd->iconf->preamble == SHORT_PREAMBLE;
987 if (hapd->iface->current_mode &&
988 hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
e44a384b 989 params->short_slot_time =
31357268
JM
990 hapd->iface->num_sta_no_short_slot_time > 0 ? 0 : 1;
991 else
e44a384b 992 params->short_slot_time = -1;
31357268 993 if (!hapd->iconf->ieee80211n || hapd->conf->disable_11n)
e44a384b 994 params->ht_opmode = -1;
31357268 995 else
e44a384b 996 params->ht_opmode = hapd->iface->ht_op_mode;
31357268 997#endif /* NEED_AP_MLME */
e44a384b 998 params->interworking = hapd->conf->interworking;
8a33a63f
JM
999 if (hapd->conf->interworking &&
1000 !is_zero_ether_addr(hapd->conf->hessid))
e44a384b
AO
1001 params->hessid = hapd->conf->hessid;
1002 params->access_network_type = hapd->conf->access_network_type;
1003 params->ap_max_inactivity = hapd->conf->ap_max_inactivity;
0b8bcaa5
EP
1004#ifdef CONFIG_P2P
1005 params->p2p_go_ctwindow = hapd->iconf->p2p_go_ctwindow;
1006#endif /* CONFIG_P2P */
83421850 1007#ifdef CONFIG_HS20
e44a384b 1008 params->disable_dgaf = hapd->conf->disable_dgaf;
a14896e8
JM
1009 if (hapd->conf->osen) {
1010 params->privacy = 1;
1011 params->osen = 1;
1012 }
83421850 1013#endif /* CONFIG_HS20 */
e44a384b
AO
1014 return 0;
1015}
1016
1017
1018void ieee802_11_free_ap_params(struct wpa_driver_ap_params *params)
1019{
1020 os_free(params->tail);
1021 params->tail = NULL;
1022 os_free(params->head);
1023 params->head = NULL;
1024 os_free(params->proberesp);
1025 params->proberesp = NULL;
1026}
1027
1028
bad5cdf4 1029int ieee802_11_set_beacon(struct hostapd_data *hapd)
e44a384b
AO
1030{
1031 struct wpa_driver_ap_params params;
196c9c7c
PX
1032 struct hostapd_freq_params freq;
1033 struct hostapd_iface *iface = hapd->iface;
1034 struct hostapd_config *iconf = iface->conf;
e44a384b 1035 struct wpabuf *beacon, *proberesp, *assocresp;
bad5cdf4 1036 int res, ret = -1;
e44a384b 1037
6782b684 1038 if (hapd->csa_in_progress) {
bf281c12 1039 wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
bad5cdf4 1040 return -1;
bf281c12
AO
1041 }
1042
e44a384b
AO
1043 hapd->beacon_set_done = 1;
1044
1045 if (ieee802_11_build_ap_params(hapd, &params) < 0)
bad5cdf4 1046 return -1;
e44a384b
AO
1047
1048 if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
1049 0)
1050 goto fail;
1051
1052 params.beacon_ies = beacon;
1053 params.proberesp_ies = proberesp;
1054 params.assocresp_ies = assocresp;
f33c8606
JM
1055 params.reenable = hapd->reenable_beacon;
1056 hapd->reenable_beacon = 0;
e44a384b 1057
196c9c7c
PX
1058 if (iface->current_mode &&
1059 hostapd_set_freq_params(&freq, iconf->hw_mode, iface->freq,
1060 iconf->channel, iconf->ieee80211n,
1061 iconf->ieee80211ac,
1062 iconf->secondary_channel,
1063 iconf->vht_oper_chwidth,
1064 iconf->vht_oper_centr_freq_seg0_idx,
1065 iconf->vht_oper_centr_freq_seg1_idx,
1066 iface->current_mode->vht_capab) == 0)
1067 params.freq = &freq;
1068
bad5cdf4 1069 res = hostapd_drv_set_ap(hapd, &params);
fb91db56 1070 hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
bad5cdf4
JM
1071 if (res)
1072 wpa_printf(MSG_ERROR, "Failed to set beacon parameters");
1073 else
1074 ret = 0;
e44a384b
AO
1075fail:
1076 ieee802_11_free_ap_params(&params);
bad5cdf4 1077 return ret;
6fc6879b
JM
1078}
1079
1080
bad5cdf4 1081int ieee802_11_set_beacons(struct hostapd_iface *iface)
6fc6879b
JM
1082{
1083 size_t i;
bad5cdf4
JM
1084 int ret = 0;
1085
77a3e796 1086 for (i = 0; i < iface->num_bss; i++) {
bad5cdf4
JM
1087 if (iface->bss[i]->started &&
1088 ieee802_11_set_beacon(iface->bss[i]) < 0)
1089 ret = -1;
77a3e796 1090 }
bad5cdf4
JM
1091
1092 return ret;
6fc6879b
JM
1093}
1094
370b0761
LC
1095
1096/* only update beacons if started */
bad5cdf4 1097int ieee802_11_update_beacons(struct hostapd_iface *iface)
370b0761
LC
1098{
1099 size_t i;
bad5cdf4
JM
1100 int ret = 0;
1101
1102 for (i = 0; i < iface->num_bss; i++) {
1103 if (iface->bss[i]->beacon_set_done && iface->bss[i]->started &&
1104 ieee802_11_set_beacon(iface->bss[i]) < 0)
1105 ret = -1;
1106 }
1107
1108 return ret;
370b0761
LC
1109}
1110
6fc6879b 1111#endif /* CONFIG_NATIVE_WINDOWS */