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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. | |
5 | * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * Alternatively, this software may be distributed under the terms of BSD | |
12 | * license. | |
13 | * | |
14 | * See README and COPYING for more details. | |
15 | */ | |
16 | ||
17 | #include "utils/includes.h" | |
18 | ||
19 | #ifndef CONFIG_NATIVE_WINDOWS | |
20 | ||
21 | #include "utils/common.h" | |
22 | #include "common/ieee802_11_defs.h" | |
23 | #include "common/ieee802_11_common.h" | |
24 | #include "drivers/driver.h" | |
25 | #include "wps/wps_defs.h" | |
26 | #include "p2p/p2p.h" | |
27 | #include "hostapd.h" | |
28 | #include "ieee802_11.h" | |
29 | #include "wpa_auth.h" | |
30 | #include "wmm.h" | |
31 | #include "ap_config.h" | |
32 | #include "sta_info.h" | |
33 | #include "p2p_hostapd.h" | |
34 | #include "ap_drv_ops.h" | |
35 | #include "beacon.h" | |
36 | ||
37 | ||
38 | static u8 ieee802_11_erp_info(struct hostapd_data *hapd) | |
39 | { | |
40 | u8 erp = 0; | |
41 | ||
42 | if (hapd->iface->current_mode == NULL || | |
43 | hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) | |
44 | return 0; | |
45 | ||
46 | switch (hapd->iconf->cts_protection_type) { | |
47 | case CTS_PROTECTION_FORCE_ENABLED: | |
48 | erp |= ERP_INFO_NON_ERP_PRESENT | ERP_INFO_USE_PROTECTION; | |
49 | break; | |
50 | case CTS_PROTECTION_FORCE_DISABLED: | |
51 | erp = 0; | |
52 | break; | |
53 | case CTS_PROTECTION_AUTOMATIC: | |
54 | if (hapd->iface->olbc) | |
55 | erp |= ERP_INFO_USE_PROTECTION; | |
56 | /* continue */ | |
57 | case CTS_PROTECTION_AUTOMATIC_NO_OLBC: | |
58 | if (hapd->iface->num_sta_non_erp > 0) { | |
59 | erp |= ERP_INFO_NON_ERP_PRESENT | | |
60 | ERP_INFO_USE_PROTECTION; | |
61 | } | |
62 | break; | |
63 | } | |
64 | if (hapd->iface->num_sta_no_short_preamble > 0 || | |
65 | hapd->iconf->preamble == LONG_PREAMBLE) | |
66 | erp |= ERP_INFO_BARKER_PREAMBLE_MODE; | |
67 | ||
68 | return erp; | |
69 | } | |
70 | ||
71 | ||
72 | static u8 * hostapd_eid_ds_params(struct hostapd_data *hapd, u8 *eid) | |
73 | { | |
74 | *eid++ = WLAN_EID_DS_PARAMS; | |
75 | *eid++ = 1; | |
76 | *eid++ = hapd->iconf->channel; | |
77 | return eid; | |
78 | } | |
79 | ||
80 | ||
81 | static u8 * hostapd_eid_erp_info(struct hostapd_data *hapd, u8 *eid) | |
82 | { | |
83 | if (hapd->iface->current_mode == NULL || | |
84 | hapd->iface->current_mode->mode != HOSTAPD_MODE_IEEE80211G) | |
85 | return eid; | |
86 | ||
87 | /* Set NonERP_present and use_protection bits if there | |
88 | * are any associated NonERP stations. */ | |
89 | /* TODO: use_protection bit can be set to zero even if | |
90 | * there are NonERP stations present. This optimization | |
91 | * might be useful if NonERP stations are "quiet". | |
92 | * See 802.11g/D6 E-1 for recommended practice. | |
93 | * In addition, Non ERP present might be set, if AP detects Non ERP | |
94 | * operation on other APs. */ | |
95 | ||
96 | /* Add ERP Information element */ | |
97 | *eid++ = WLAN_EID_ERP_INFO; | |
98 | *eid++ = 1; | |
99 | *eid++ = ieee802_11_erp_info(hapd); | |
100 | ||
101 | return eid; | |
102 | } | |
103 | ||
104 | ||
105 | static u8 * hostapd_eid_country_add(u8 *pos, u8 *end, int chan_spacing, | |
106 | struct hostapd_channel_data *start, | |
107 | struct hostapd_channel_data *prev) | |
108 | { | |
109 | if (end - pos < 3) | |
110 | return pos; | |
111 | ||
112 | /* first channel number */ | |
113 | *pos++ = start->chan; | |
114 | /* number of channels */ | |
115 | *pos++ = (prev->chan - start->chan) / chan_spacing + 1; | |
116 | /* maximum transmit power level */ | |
117 | *pos++ = start->max_tx_power; | |
118 | ||
119 | return pos; | |
120 | } | |
121 | ||
122 | ||
123 | static u8 * hostapd_eid_country(struct hostapd_data *hapd, u8 *eid, | |
124 | int max_len) | |
125 | { | |
126 | u8 *pos = eid; | |
127 | u8 *end = eid + max_len; | |
128 | int i; | |
129 | struct hostapd_hw_modes *mode; | |
130 | struct hostapd_channel_data *start, *prev; | |
131 | int chan_spacing = 1; | |
132 | ||
133 | if (!hapd->iconf->ieee80211d || max_len < 6 || | |
134 | hapd->iface->current_mode == NULL) | |
135 | return eid; | |
136 | ||
137 | *pos++ = WLAN_EID_COUNTRY; | |
138 | pos++; /* length will be set later */ | |
139 | os_memcpy(pos, hapd->iconf->country, 3); /* e.g., 'US ' */ | |
140 | pos += 3; | |
141 | ||
142 | mode = hapd->iface->current_mode; | |
143 | if (mode->mode == HOSTAPD_MODE_IEEE80211A) | |
144 | chan_spacing = 4; | |
145 | ||
146 | start = prev = NULL; | |
147 | for (i = 0; i < mode->num_channels; i++) { | |
148 | struct hostapd_channel_data *chan = &mode->channels[i]; | |
149 | if (chan->flag & HOSTAPD_CHAN_DISABLED) | |
150 | continue; | |
151 | if (start && prev && | |
152 | prev->chan + chan_spacing == chan->chan && | |
153 | start->max_tx_power == chan->max_tx_power) { | |
154 | prev = chan; | |
155 | continue; /* can use same entry */ | |
156 | } | |
157 | ||
158 | if (start) { | |
159 | pos = hostapd_eid_country_add(pos, end, chan_spacing, | |
160 | start, prev); | |
161 | start = NULL; | |
162 | } | |
163 | ||
164 | /* Start new group */ | |
165 | start = prev = chan; | |
166 | } | |
167 | ||
168 | if (start) { | |
169 | pos = hostapd_eid_country_add(pos, end, chan_spacing, | |
170 | start, prev); | |
171 | } | |
172 | ||
173 | if ((pos - eid) & 1) { | |
174 | if (end - pos < 1) | |
175 | return eid; | |
176 | *pos++ = 0; /* pad for 16-bit alignment */ | |
177 | } | |
178 | ||
179 | eid[1] = (pos - eid) - 2; | |
180 | ||
181 | return pos; | |
182 | } | |
183 | ||
184 | ||
185 | static u8 * hostapd_eid_wpa(struct hostapd_data *hapd, u8 *eid, size_t len, | |
186 | struct sta_info *sta) | |
187 | { | |
188 | const u8 *ie; | |
189 | size_t ielen; | |
190 | ||
191 | ie = wpa_auth_get_wpa_ie(hapd->wpa_auth, &ielen); | |
192 | if (ie == NULL || ielen > len) | |
193 | return eid; | |
194 | ||
195 | os_memcpy(eid, ie, ielen); | |
196 | return eid + ielen; | |
197 | } | |
198 | ||
199 | ||
200 | void handle_probe_req(struct hostapd_data *hapd, | |
201 | const struct ieee80211_mgmt *mgmt, size_t len) | |
202 | { | |
203 | struct ieee80211_mgmt *resp; | |
204 | struct ieee802_11_elems elems; | |
205 | char *ssid; | |
206 | u8 *pos, *epos; | |
207 | const u8 *ie; | |
208 | size_t ssid_len, ie_len; | |
209 | struct sta_info *sta = NULL; | |
210 | size_t buflen; | |
211 | size_t i; | |
212 | ||
213 | ie = mgmt->u.probe_req.variable; | |
214 | ie_len = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req)); | |
215 | ||
216 | for (i = 0; hapd->probereq_cb && i < hapd->num_probereq_cb; i++) | |
217 | if (hapd->probereq_cb[i].cb(hapd->probereq_cb[i].ctx, | |
218 | mgmt->sa, ie, ie_len) > 0) | |
219 | return; | |
220 | ||
221 | if (!hapd->iconf->send_probe_response) | |
222 | return; | |
223 | ||
224 | if (ieee802_11_parse_elems(ie, ie_len, &elems, 0) == ParseFailed) { | |
225 | wpa_printf(MSG_DEBUG, "Could not parse ProbeReq from " MACSTR, | |
226 | MAC2STR(mgmt->sa)); | |
227 | return; | |
228 | } | |
229 | ||
230 | ssid = NULL; | |
231 | ssid_len = 0; | |
232 | ||
233 | if ((!elems.ssid || !elems.supp_rates)) { | |
234 | wpa_printf(MSG_DEBUG, "STA " MACSTR " sent probe request " | |
235 | "without SSID or supported rates element", | |
236 | MAC2STR(mgmt->sa)); | |
237 | return; | |
238 | } | |
239 | ||
240 | #ifdef CONFIG_P2P | |
241 | if (hapd->p2p && elems.wps_ie) { | |
242 | struct wpabuf *wps; | |
243 | wps = ieee802_11_vendor_ie_concat(ie, ie_len, WPS_DEV_OUI_WFA); | |
244 | if (wps && !p2p_group_match_dev_type(hapd->p2p_group, wps)) { | |
245 | wpa_printf(MSG_MSGDUMP, "P2P: Ignore Probe Request " | |
246 | "due to mismatch with Requested Device " | |
247 | "Type"); | |
248 | wpabuf_free(wps); | |
249 | return; | |
250 | } | |
251 | wpabuf_free(wps); | |
252 | } | |
253 | #endif /* CONFIG_P2P */ | |
254 | ||
255 | if (hapd->conf->ignore_broadcast_ssid && elems.ssid_len == 0) { | |
256 | wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR " for " | |
257 | "broadcast SSID ignored", MAC2STR(mgmt->sa)); | |
258 | return; | |
259 | } | |
260 | ||
261 | sta = ap_get_sta(hapd, mgmt->sa); | |
262 | ||
263 | #ifdef CONFIG_P2P | |
264 | if ((hapd->conf->p2p & P2P_GROUP_OWNER) && | |
265 | elems.ssid_len == P2P_WILDCARD_SSID_LEN && | |
266 | os_memcmp(elems.ssid, P2P_WILDCARD_SSID, | |
267 | P2P_WILDCARD_SSID_LEN) == 0) { | |
268 | /* Process P2P Wildcard SSID like Wildcard SSID */ | |
269 | elems.ssid_len = 0; | |
270 | } | |
271 | #endif /* CONFIG_P2P */ | |
272 | ||
273 | if (elems.ssid_len == 0 || | |
274 | (elems.ssid_len == hapd->conf->ssid.ssid_len && | |
275 | os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) == | |
276 | 0)) { | |
277 | ssid = hapd->conf->ssid.ssid; | |
278 | ssid_len = hapd->conf->ssid.ssid_len; | |
279 | if (sta) | |
280 | sta->ssid_probe = &hapd->conf->ssid; | |
281 | } | |
282 | ||
283 | if (!ssid) { | |
284 | if (!(mgmt->da[0] & 0x01)) { | |
285 | char ssid_txt[33]; | |
286 | ieee802_11_print_ssid(ssid_txt, elems.ssid, | |
287 | elems.ssid_len); | |
288 | wpa_printf(MSG_MSGDUMP, "Probe Request from " MACSTR | |
289 | " for foreign SSID '%s' (DA " MACSTR ")", | |
290 | MAC2STR(mgmt->sa), ssid_txt, | |
291 | MAC2STR(mgmt->da)); | |
292 | } | |
293 | return; | |
294 | } | |
295 | ||
296 | /* TODO: verify that supp_rates contains at least one matching rate | |
297 | * with AP configuration */ | |
298 | #define MAX_PROBERESP_LEN 768 | |
299 | buflen = MAX_PROBERESP_LEN; | |
300 | #ifdef CONFIG_WPS | |
301 | if (hapd->wps_probe_resp_ie) | |
302 | buflen += wpabuf_len(hapd->wps_probe_resp_ie); | |
303 | #endif /* CONFIG_WPS */ | |
304 | #ifdef CONFIG_P2P | |
305 | if (hapd->p2p_probe_resp_ie) | |
306 | buflen += wpabuf_len(hapd->p2p_probe_resp_ie); | |
307 | #endif /* CONFIG_P2P */ | |
308 | resp = os_zalloc(buflen); | |
309 | if (resp == NULL) | |
310 | return; | |
311 | epos = ((u8 *) resp) + MAX_PROBERESP_LEN; | |
312 | ||
313 | resp->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
314 | WLAN_FC_STYPE_PROBE_RESP); | |
315 | os_memcpy(resp->da, mgmt->sa, ETH_ALEN); | |
316 | os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN); | |
317 | ||
318 | os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN); | |
319 | resp->u.probe_resp.beacon_int = | |
320 | host_to_le16(hapd->iconf->beacon_int); | |
321 | ||
322 | /* hardware or low-level driver will setup seq_ctrl and timestamp */ | |
323 | resp->u.probe_resp.capab_info = | |
324 | host_to_le16(hostapd_own_capab_info(hapd, sta, 1)); | |
325 | ||
326 | pos = resp->u.probe_resp.variable; | |
327 | *pos++ = WLAN_EID_SSID; | |
328 | *pos++ = ssid_len; | |
329 | os_memcpy(pos, ssid, ssid_len); | |
330 | pos += ssid_len; | |
331 | ||
332 | /* Supported rates */ | |
333 | pos = hostapd_eid_supp_rates(hapd, pos); | |
334 | ||
335 | /* DS Params */ | |
336 | pos = hostapd_eid_ds_params(hapd, pos); | |
337 | ||
338 | pos = hostapd_eid_country(hapd, pos, epos - pos); | |
339 | ||
340 | /* ERP Information element */ | |
341 | pos = hostapd_eid_erp_info(hapd, pos); | |
342 | ||
343 | /* Extended supported rates */ | |
344 | pos = hostapd_eid_ext_supp_rates(hapd, pos); | |
345 | ||
346 | /* RSN, MDIE, WPA */ | |
347 | pos = hostapd_eid_wpa(hapd, pos, epos - pos, sta); | |
348 | ||
349 | #ifdef CONFIG_IEEE80211N | |
350 | pos = hostapd_eid_ht_capabilities(hapd, pos); | |
351 | pos = hostapd_eid_ht_operation(hapd, pos); | |
352 | #endif /* CONFIG_IEEE80211N */ | |
353 | ||
354 | /* Wi-Fi Alliance WMM */ | |
355 | pos = hostapd_eid_wmm(hapd, pos); | |
356 | ||
357 | #ifdef CONFIG_WPS | |
358 | if (hapd->conf->wps_state && hapd->wps_probe_resp_ie) { | |
359 | os_memcpy(pos, wpabuf_head(hapd->wps_probe_resp_ie), | |
360 | wpabuf_len(hapd->wps_probe_resp_ie)); | |
361 | pos += wpabuf_len(hapd->wps_probe_resp_ie); | |
362 | } | |
363 | #endif /* CONFIG_WPS */ | |
364 | ||
365 | #ifdef CONFIG_P2P | |
366 | if ((hapd->conf->p2p & P2P_ENABLED) && elems.p2p && | |
367 | hapd->p2p_probe_resp_ie) { | |
368 | os_memcpy(pos, wpabuf_head(hapd->p2p_probe_resp_ie), | |
369 | wpabuf_len(hapd->p2p_probe_resp_ie)); | |
370 | pos += wpabuf_len(hapd->p2p_probe_resp_ie); | |
371 | } | |
372 | #endif /* CONFIG_P2P */ | |
373 | #ifdef CONFIG_P2P_MANAGER | |
374 | if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == | |
375 | P2P_MANAGE) | |
376 | pos = hostapd_eid_p2p_manage(hapd, pos); | |
377 | #endif /* CONFIG_P2P_MANAGER */ | |
378 | ||
379 | if (hostapd_drv_send_mlme(hapd, resp, pos - (u8 *) resp) < 0) | |
380 | perror("handle_probe_req: send"); | |
381 | ||
382 | os_free(resp); | |
383 | ||
384 | wpa_printf(MSG_EXCESSIVE, "STA " MACSTR " sent probe request for %s " | |
385 | "SSID", MAC2STR(mgmt->sa), | |
386 | elems.ssid_len == 0 ? "broadcast" : "our"); | |
387 | } | |
388 | ||
389 | ||
390 | void ieee802_11_set_beacon(struct hostapd_data *hapd) | |
391 | { | |
392 | struct ieee80211_mgmt *head; | |
393 | u8 *pos, *tail, *tailpos; | |
394 | u16 capab_info; | |
395 | size_t head_len, tail_len; | |
396 | ||
397 | #ifdef CONFIG_P2P | |
398 | if ((hapd->conf->p2p & (P2P_ENABLED | P2P_GROUP_OWNER)) == P2P_ENABLED) | |
399 | goto no_beacon; | |
400 | #endif /* CONFIG_P2P */ | |
401 | ||
402 | #define BEACON_HEAD_BUF_SIZE 256 | |
403 | #define BEACON_TAIL_BUF_SIZE 512 | |
404 | head = os_zalloc(BEACON_HEAD_BUF_SIZE); | |
405 | tail_len = BEACON_TAIL_BUF_SIZE; | |
406 | #ifdef CONFIG_WPS | |
407 | if (hapd->conf->wps_state && hapd->wps_beacon_ie) | |
408 | tail_len += wpabuf_len(hapd->wps_beacon_ie); | |
409 | #endif /* CONFIG_WPS */ | |
410 | #ifdef CONFIG_P2P | |
411 | if (hapd->p2p_beacon_ie) | |
412 | tail_len += wpabuf_len(hapd->p2p_beacon_ie); | |
413 | #endif /* CONFIG_P2P */ | |
414 | tailpos = tail = os_malloc(tail_len); | |
415 | if (head == NULL || tail == NULL) { | |
416 | wpa_printf(MSG_ERROR, "Failed to set beacon data"); | |
417 | os_free(head); | |
418 | os_free(tail); | |
419 | return; | |
420 | } | |
421 | ||
422 | head->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, | |
423 | WLAN_FC_STYPE_BEACON); | |
424 | head->duration = host_to_le16(0); | |
425 | os_memset(head->da, 0xff, ETH_ALEN); | |
426 | ||
427 | os_memcpy(head->sa, hapd->own_addr, ETH_ALEN); | |
428 | os_memcpy(head->bssid, hapd->own_addr, ETH_ALEN); | |
429 | head->u.beacon.beacon_int = | |
430 | host_to_le16(hapd->iconf->beacon_int); | |
431 | ||
432 | /* hardware or low-level driver will setup seq_ctrl and timestamp */ | |
433 | capab_info = hostapd_own_capab_info(hapd, NULL, 0); | |
434 | head->u.beacon.capab_info = host_to_le16(capab_info); | |
435 | pos = &head->u.beacon.variable[0]; | |
436 | ||
437 | /* SSID */ | |
438 | *pos++ = WLAN_EID_SSID; | |
439 | if (hapd->conf->ignore_broadcast_ssid == 2) { | |
440 | /* clear the data, but keep the correct length of the SSID */ | |
441 | *pos++ = hapd->conf->ssid.ssid_len; | |
442 | os_memset(pos, 0, hapd->conf->ssid.ssid_len); | |
443 | pos += hapd->conf->ssid.ssid_len; | |
444 | } else if (hapd->conf->ignore_broadcast_ssid) { | |
445 | *pos++ = 0; /* empty SSID */ | |
446 | } else { | |
447 | *pos++ = hapd->conf->ssid.ssid_len; | |
448 | os_memcpy(pos, hapd->conf->ssid.ssid, | |
449 | hapd->conf->ssid.ssid_len); | |
450 | pos += hapd->conf->ssid.ssid_len; | |
451 | } | |
452 | ||
453 | /* Supported rates */ | |
454 | pos = hostapd_eid_supp_rates(hapd, pos); | |
455 | ||
456 | /* DS Params */ | |
457 | pos = hostapd_eid_ds_params(hapd, pos); | |
458 | ||
459 | head_len = pos - (u8 *) head; | |
460 | ||
461 | tailpos = hostapd_eid_country(hapd, tailpos, | |
462 | tail + BEACON_TAIL_BUF_SIZE - tailpos); | |
463 | ||
464 | /* ERP Information element */ | |
465 | tailpos = hostapd_eid_erp_info(hapd, tailpos); | |
466 | ||
467 | /* Extended supported rates */ | |
468 | tailpos = hostapd_eid_ext_supp_rates(hapd, tailpos); | |
469 | ||
470 | /* RSN, MDIE, WPA */ | |
471 | tailpos = hostapd_eid_wpa(hapd, tailpos, tail + BEACON_TAIL_BUF_SIZE - | |
472 | tailpos, NULL); | |
473 | ||
474 | #ifdef CONFIG_IEEE80211N | |
475 | tailpos = hostapd_eid_ht_capabilities(hapd, tailpos); | |
476 | tailpos = hostapd_eid_ht_operation(hapd, tailpos); | |
477 | #endif /* CONFIG_IEEE80211N */ | |
478 | ||
479 | /* Wi-Fi Alliance WMM */ | |
480 | tailpos = hostapd_eid_wmm(hapd, tailpos); | |
481 | ||
482 | #ifdef CONFIG_WPS | |
483 | if (hapd->conf->wps_state && hapd->wps_beacon_ie) { | |
484 | os_memcpy(tailpos, wpabuf_head(hapd->wps_beacon_ie), | |
485 | wpabuf_len(hapd->wps_beacon_ie)); | |
486 | tailpos += wpabuf_len(hapd->wps_beacon_ie); | |
487 | } | |
488 | #endif /* CONFIG_WPS */ | |
489 | ||
490 | #ifdef CONFIG_P2P | |
491 | if ((hapd->conf->p2p & P2P_ENABLED) && hapd->p2p_beacon_ie) { | |
492 | os_memcpy(tailpos, wpabuf_head(hapd->p2p_beacon_ie), | |
493 | wpabuf_len(hapd->p2p_beacon_ie)); | |
494 | tailpos += wpabuf_len(hapd->p2p_beacon_ie); | |
495 | } | |
496 | #endif /* CONFIG_P2P */ | |
497 | #ifdef CONFIG_P2P_MANAGER | |
498 | if ((hapd->conf->p2p & (P2P_MANAGE | P2P_ENABLED | P2P_GROUP_OWNER)) == | |
499 | P2P_MANAGE) | |
500 | tailpos = hostapd_eid_p2p_manage(hapd, tailpos); | |
501 | #endif /* CONFIG_P2P_MANAGER */ | |
502 | ||
503 | tail_len = tailpos > tail ? tailpos - tail : 0; | |
504 | ||
505 | if (hostapd_drv_set_beacon(hapd, (u8 *) head, head_len, | |
506 | tail, tail_len, hapd->conf->dtim_period, | |
507 | hapd->iconf->beacon_int)) | |
508 | wpa_printf(MSG_ERROR, "Failed to set beacon head/tail or DTIM " | |
509 | "period"); | |
510 | ||
511 | os_free(tail); | |
512 | os_free(head); | |
513 | ||
514 | #ifdef CONFIG_P2P | |
515 | no_beacon: | |
516 | #endif /* CONFIG_P2P */ | |
517 | hapd->drv.set_bss_params(hapd, !!(ieee802_11_erp_info(hapd) & | |
518 | ERP_INFO_USE_PROTECTION)); | |
519 | } | |
520 | ||
521 | ||
522 | void ieee802_11_set_beacons(struct hostapd_iface *iface) | |
523 | { | |
524 | size_t i; | |
525 | for (i = 0; i < iface->num_bss; i++) | |
526 | ieee802_11_set_beacon(iface->bss[i]); | |
527 | } | |
528 | ||
529 | #endif /* CONFIG_NATIVE_WINDOWS */ |