ap_drv_ops.c revision cce06667447b5aec83452adb0c15100ada531095
1/*
2 * hostapd - Driver operations
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#include "utils/includes.h"
10
11#include "utils/common.h"
12#include "drivers/driver.h"
13#include "common/ieee802_11_defs.h"
14#include "wps/wps.h"
15#include "p2p/p2p.h"
16#include "hostapd.h"
17#include "ieee802_11.h"
18#include "sta_info.h"
19#include "ap_config.h"
20#include "p2p_hostapd.h"
21#include "hs20.h"
22#include "ap_drv_ops.h"
23
24
25u32 hostapd_sta_flags_to_drv(u32 flags)
26{
27	int res = 0;
28	if (flags & WLAN_STA_AUTHORIZED)
29		res |= WPA_STA_AUTHORIZED;
30	if (flags & WLAN_STA_WMM)
31		res |= WPA_STA_WMM;
32	if (flags & WLAN_STA_SHORT_PREAMBLE)
33		res |= WPA_STA_SHORT_PREAMBLE;
34	if (flags & WLAN_STA_MFP)
35		res |= WPA_STA_MFP;
36	return res;
37}
38
39
40int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
41			       struct wpabuf **beacon_ret,
42			       struct wpabuf **proberesp_ret,
43			       struct wpabuf **assocresp_ret)
44{
45	struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
46	u8 buf[200], *pos;
47
48	*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
49
50	pos = buf;
51	pos = hostapd_eid_time_adv(hapd, pos);
52	if (pos != buf) {
53		if (wpabuf_resize(&beacon, pos - buf) != 0)
54			goto fail;
55		wpabuf_put_data(beacon, buf, pos - buf);
56	}
57	pos = hostapd_eid_time_zone(hapd, pos);
58	if (pos != buf) {
59		if (wpabuf_resize(&proberesp, pos - buf) != 0)
60			goto fail;
61		wpabuf_put_data(proberesp, buf, pos - buf);
62	}
63
64	pos = buf;
65	pos = hostapd_eid_ext_capab(hapd, pos);
66	if (pos != buf) {
67		if (wpabuf_resize(&assocresp, pos - buf) != 0)
68			goto fail;
69		wpabuf_put_data(assocresp, buf, pos - buf);
70	}
71	pos = hostapd_eid_interworking(hapd, pos);
72	pos = hostapd_eid_adv_proto(hapd, pos);
73	pos = hostapd_eid_roaming_consortium(hapd, pos);
74	if (pos != buf) {
75		if (wpabuf_resize(&beacon, pos - buf) != 0)
76			goto fail;
77		wpabuf_put_data(beacon, buf, pos - buf);
78
79		if (wpabuf_resize(&proberesp, pos - buf) != 0)
80			goto fail;
81		wpabuf_put_data(proberesp, buf, pos - buf);
82	}
83
84	if (hapd->wps_beacon_ie) {
85		if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
86		    0)
87			goto fail;
88		wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
89	}
90
91	if (hapd->wps_probe_resp_ie) {
92		if (wpabuf_resize(&proberesp,
93				  wpabuf_len(hapd->wps_probe_resp_ie)) < 0)
94			goto fail;
95		wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
96	}
97
98#ifdef CONFIG_P2P
99	if (hapd->p2p_beacon_ie) {
100		if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_beacon_ie)) <
101		    0)
102			goto fail;
103		wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
104	}
105
106	if (hapd->p2p_probe_resp_ie) {
107		if (wpabuf_resize(&proberesp,
108				  wpabuf_len(hapd->p2p_probe_resp_ie)) < 0)
109			goto fail;
110		wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
111	}
112#endif /* CONFIG_P2P */
113
114#ifdef CONFIG_P2P_MANAGER
115	if (hapd->conf->p2p & P2P_MANAGE) {
116		if (wpabuf_resize(&beacon, 100) == 0) {
117			u8 *start, *p;
118			start = wpabuf_put(beacon, 0);
119			p = hostapd_eid_p2p_manage(hapd, start);
120			wpabuf_put(beacon, p - start);
121		}
122
123		if (wpabuf_resize(&proberesp, 100) == 0) {
124			u8 *start, *p;
125			start = wpabuf_put(proberesp, 0);
126			p = hostapd_eid_p2p_manage(hapd, start);
127			wpabuf_put(proberesp, p - start);
128		}
129	}
130#endif /* CONFIG_P2P_MANAGER */
131
132#ifdef CONFIG_WPS2
133	if (hapd->conf->wps_state) {
134		struct wpabuf *a = wps_build_assoc_resp_ie();
135		if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
136			wpabuf_put_buf(assocresp, a);
137		wpabuf_free(a);
138	}
139#endif /* CONFIG_WPS2 */
140
141#ifdef CONFIG_P2P_MANAGER
142	if (hapd->conf->p2p & P2P_MANAGE) {
143		if (wpabuf_resize(&assocresp, 100) == 0) {
144			u8 *start, *p;
145			start = wpabuf_put(assocresp, 0);
146			p = hostapd_eid_p2p_manage(hapd, start);
147			wpabuf_put(assocresp, p - start);
148		}
149	}
150#endif /* CONFIG_P2P_MANAGER */
151
152#ifdef CONFIG_WIFI_DISPLAY
153	if (hapd->p2p_group) {
154		struct wpabuf *a;
155		a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
156		if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
157			wpabuf_put_buf(assocresp, a);
158		wpabuf_free(a);
159	}
160#endif /* CONFIG_WIFI_DISPLAY */
161
162#ifdef CONFIG_HS20
163	pos = buf;
164	pos = hostapd_eid_hs20_indication(hapd, pos);
165	if (pos != buf) {
166		if (wpabuf_resize(&beacon, pos - buf) != 0)
167			goto fail;
168		wpabuf_put_data(beacon, buf, pos - buf);
169
170		if (wpabuf_resize(&proberesp, pos - buf) != 0)
171			goto fail;
172		wpabuf_put_data(proberesp, buf, pos - buf);
173	}
174#endif /* CONFIG_HS20 */
175
176	if (hapd->conf->vendor_elements) {
177		size_t add = wpabuf_len(hapd->conf->vendor_elements);
178		if (wpabuf_resize(&beacon, add) == 0)
179			wpabuf_put_buf(beacon, hapd->conf->vendor_elements);
180		if (wpabuf_resize(&proberesp, add) == 0)
181			wpabuf_put_buf(proberesp, hapd->conf->vendor_elements);
182	}
183
184	*beacon_ret = beacon;
185	*proberesp_ret = proberesp;
186	*assocresp_ret = assocresp;
187
188	return 0;
189
190fail:
191	wpabuf_free(beacon);
192	wpabuf_free(proberesp);
193	wpabuf_free(assocresp);
194	return -1;
195}
196
197
198void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
199			       struct wpabuf *beacon,
200			       struct wpabuf *proberesp,
201			       struct wpabuf *assocresp)
202{
203	wpabuf_free(beacon);
204	wpabuf_free(proberesp);
205	wpabuf_free(assocresp);
206}
207
208
209int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
210{
211	struct wpabuf *beacon, *proberesp, *assocresp;
212	int ret;
213
214	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
215		return 0;
216
217	if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
218	    0)
219		return -1;
220
221	ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
222					  assocresp);
223
224	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
225
226	return ret;
227}
228
229
230int hostapd_set_authorized(struct hostapd_data *hapd,
231			   struct sta_info *sta, int authorized)
232{
233	if (authorized) {
234		return hostapd_sta_set_flags(hapd, sta->addr,
235					     hostapd_sta_flags_to_drv(
236						     sta->flags),
237					     WPA_STA_AUTHORIZED, ~0);
238	}
239
240	return hostapd_sta_set_flags(hapd, sta->addr,
241				     hostapd_sta_flags_to_drv(sta->flags),
242				     0, ~WPA_STA_AUTHORIZED);
243}
244
245
246int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
247{
248	int set_flags, total_flags, flags_and, flags_or;
249	total_flags = hostapd_sta_flags_to_drv(sta->flags);
250	set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
251	if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
252	     sta->auth_alg == WLAN_AUTH_FT) &&
253	    sta->flags & WLAN_STA_AUTHORIZED)
254		set_flags |= WPA_STA_AUTHORIZED;
255	flags_or = total_flags & set_flags;
256	flags_and = total_flags | ~set_flags;
257	return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
258				     flags_or, flags_and);
259}
260
261
262int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
263			      int enabled)
264{
265	struct wpa_bss_params params;
266	os_memset(&params, 0, sizeof(params));
267	params.ifname = ifname;
268	params.enabled = enabled;
269	if (enabled) {
270		params.wpa = hapd->conf->wpa;
271		params.ieee802_1x = hapd->conf->ieee802_1x;
272		params.wpa_group = hapd->conf->wpa_group;
273		params.wpa_pairwise = hapd->conf->wpa_pairwise;
274		params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
275		params.rsn_preauth = hapd->conf->rsn_preauth;
276#ifdef CONFIG_IEEE80211W
277		params.ieee80211w = hapd->conf->ieee80211w;
278#endif /* CONFIG_IEEE80211W */
279	}
280	return hostapd_set_ieee8021x(hapd, &params);
281}
282
283
284int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
285{
286	char force_ifname[IFNAMSIZ];
287	u8 if_addr[ETH_ALEN];
288	return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
289			      NULL, NULL, force_ifname, if_addr, NULL, 0);
290}
291
292
293int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
294{
295	return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
296}
297
298
299int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
300			const u8 *addr, int aid, int val)
301{
302	const char *bridge = NULL;
303
304	if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
305		return -1;
306	if (hapd->conf->wds_bridge[0])
307		bridge = hapd->conf->wds_bridge;
308	else if (hapd->conf->bridge[0])
309		bridge = hapd->conf->bridge;
310	return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
311					 bridge, ifname_wds);
312}
313
314
315int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
316			 u16 auth_alg)
317{
318	if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
319		return 0;
320	return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
321}
322
323
324int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
325		     u16 seq, u16 status, const u8 *ie, size_t len)
326{
327	if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
328		return 0;
329	return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
330				      seq, status, ie, len);
331}
332
333
334int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
335		      int reassoc, u16 status, const u8 *ie, size_t len)
336{
337	if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
338		return 0;
339	return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
340				       reassoc, status, ie, len);
341}
342
343
344int hostapd_sta_add(struct hostapd_data *hapd,
345		    const u8 *addr, u16 aid, u16 capability,
346		    const u8 *supp_rates, size_t supp_rates_len,
347		    u16 listen_interval,
348		    const struct ieee80211_ht_capabilities *ht_capab,
349		    const struct ieee80211_vht_capabilities *vht_capab,
350		    u32 flags, u8 qosinfo)
351{
352	struct hostapd_sta_add_params params;
353
354	if (hapd->driver == NULL)
355		return 0;
356	if (hapd->driver->sta_add == NULL)
357		return 0;
358
359	os_memset(&params, 0, sizeof(params));
360	params.addr = addr;
361	params.aid = aid;
362	params.capability = capability;
363	params.supp_rates = supp_rates;
364	params.supp_rates_len = supp_rates_len;
365	params.listen_interval = listen_interval;
366	params.ht_capabilities = ht_capab;
367	params.vht_capabilities = vht_capab;
368	params.flags = hostapd_sta_flags_to_drv(flags);
369	params.qosinfo = qosinfo;
370	return hapd->driver->sta_add(hapd->drv_priv, &params);
371}
372
373
374int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
375		      u8 *tspec_ie, size_t tspec_ielen)
376{
377	if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
378		return 0;
379	return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
380				       tspec_ielen);
381}
382
383
384int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
385{
386	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
387		return 0;
388	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
389}
390
391
392int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
393			     size_t elem_len)
394{
395	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
396		return 0;
397	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
398}
399
400
401int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
402{
403	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
404		return 0;
405	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
406}
407
408
409int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
410{
411	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
412		return 0;
413	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
414}
415
416
417int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
418		   const char *ifname, const u8 *addr, void *bss_ctx,
419		   void **drv_priv, char *force_ifname, u8 *if_addr,
420		   const char *bridge, int use_existing)
421{
422	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
423		return -1;
424	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
425				    bss_ctx, drv_priv, force_ifname, if_addr,
426				    bridge, use_existing);
427}
428
429
430int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
431		      const char *ifname)
432{
433	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
434	    hapd->driver->if_remove == NULL)
435		return -1;
436	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
437}
438
439
440int hostapd_set_ieee8021x(struct hostapd_data *hapd,
441			  struct wpa_bss_params *params)
442{
443	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
444		return 0;
445	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
446}
447
448
449int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
450		       const u8 *addr, int idx, u8 *seq)
451{
452	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
453		return 0;
454	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
455					seq);
456}
457
458
459int hostapd_flush(struct hostapd_data *hapd)
460{
461	if (hapd->driver == NULL || hapd->driver->flush == NULL)
462		return 0;
463	return hapd->driver->flush(hapd->drv_priv);
464}
465
466
467static int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
468				   int freq, int channel, int ht_enabled,
469				   int vht_enabled, int sec_channel_offset,
470				   int vht_oper_chwidth, int center_segment0,
471				   int center_segment1, u32 vht_caps)
472{
473	int tmp;
474
475	os_memset(data, 0, sizeof(*data));
476	data->mode = mode;
477	data->freq = freq;
478	data->channel = channel;
479	data->ht_enabled = ht_enabled;
480	data->vht_enabled = vht_enabled;
481	data->sec_channel_offset = sec_channel_offset;
482	data->center_freq1 = freq + sec_channel_offset * 10;
483	data->center_freq2 = 0;
484	data->bandwidth = sec_channel_offset ? 40 : 20;
485
486	/*
487	 * This validation code is probably misplaced, maybe it should be
488	 * in src/ap/hw_features.c and check the hardware support as well.
489	 */
490	if (data->vht_enabled) switch (vht_oper_chwidth) {
491	case VHT_CHANWIDTH_USE_HT:
492		if (center_segment1)
493			return -1;
494		if (5000 + center_segment0 * 5 != data->center_freq1 &&
495		    2407 + center_segment0 * 5 != data->center_freq1)
496			return -1;
497		break;
498	case VHT_CHANWIDTH_80P80MHZ:
499		if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
500			wpa_printf(MSG_ERROR,
501				   "80+80 channel width is not supported!");
502			return -1;
503		}
504		if (center_segment1 == center_segment0 + 4 ||
505		    center_segment1 == center_segment0 - 4)
506			return -1;
507		data->center_freq2 = 5000 + center_segment1 * 5;
508		/* fall through */
509	case VHT_CHANWIDTH_80MHZ:
510		data->bandwidth = 80;
511		if (vht_oper_chwidth == 1 && center_segment1)
512			return -1;
513		if (vht_oper_chwidth == 3 && !center_segment1)
514			return -1;
515		if (!sec_channel_offset)
516			return -1;
517		/* primary 40 part must match the HT configuration */
518		tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
519		tmp /= 2;
520		if (data->center_freq1 != 5000 +
521					 center_segment0 * 5 - 20 + 40 * tmp)
522			return -1;
523		data->center_freq1 = 5000 + center_segment0 * 5;
524		break;
525	case VHT_CHANWIDTH_160MHZ:
526		data->bandwidth = 160;
527		if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
528				  VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
529			wpa_printf(MSG_ERROR,
530				   "160MHZ channel width is not supported!");
531			return -1;
532		}
533		if (center_segment1)
534			return -1;
535		if (!sec_channel_offset)
536			return -1;
537		/* primary 40 part must match the HT configuration */
538		tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
539		tmp /= 2;
540		if (data->center_freq1 != 5000 +
541					 center_segment0 * 5 - 60 + 40 * tmp)
542			return -1;
543		data->center_freq1 = 5000 + center_segment0 * 5;
544		break;
545	}
546
547	return 0;
548}
549
550
551int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
552		     int channel, int ht_enabled, int vht_enabled,
553		     int sec_channel_offset, int vht_oper_chwidth,
554		     int center_segment0, int center_segment1)
555{
556	struct hostapd_freq_params data;
557
558	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
559				    vht_enabled, sec_channel_offset,
560				    vht_oper_chwidth,
561				    center_segment0, center_segment1,
562				    hapd->iface->current_mode->vht_capab))
563		return -1;
564
565	if (hapd->driver == NULL)
566		return 0;
567	if (hapd->driver->set_freq == NULL)
568		return 0;
569	return hapd->driver->set_freq(hapd->drv_priv, &data);
570}
571
572int hostapd_set_rts(struct hostapd_data *hapd, int rts)
573{
574	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
575		return 0;
576	return hapd->driver->set_rts(hapd->drv_priv, rts);
577}
578
579
580int hostapd_set_frag(struct hostapd_data *hapd, int frag)
581{
582	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
583		return 0;
584	return hapd->driver->set_frag(hapd->drv_priv, frag);
585}
586
587
588int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
589			  int total_flags, int flags_or, int flags_and)
590{
591	if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
592		return 0;
593	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
594					   flags_or, flags_and);
595}
596
597
598int hostapd_set_country(struct hostapd_data *hapd, const char *country)
599{
600	if (hapd->driver == NULL ||
601	    hapd->driver->set_country == NULL)
602		return 0;
603	return hapd->driver->set_country(hapd->drv_priv, country);
604}
605
606
607int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
608				int cw_min, int cw_max, int burst_time)
609{
610	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
611		return 0;
612	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
613						 cw_min, cw_max, burst_time);
614}
615
616
617struct hostapd_hw_modes *
618hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
619			    u16 *flags)
620{
621	if (hapd->driver == NULL ||
622	    hapd->driver->get_hw_feature_data == NULL)
623		return NULL;
624	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
625						 flags);
626}
627
628
629int hostapd_driver_commit(struct hostapd_data *hapd)
630{
631	if (hapd->driver == NULL || hapd->driver->commit == NULL)
632		return 0;
633	return hapd->driver->commit(hapd->drv_priv);
634}
635
636
637int hostapd_drv_none(struct hostapd_data *hapd)
638{
639	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
640}
641
642
643int hostapd_driver_scan(struct hostapd_data *hapd,
644			struct wpa_driver_scan_params *params)
645{
646	if (hapd->driver && hapd->driver->scan2)
647		return hapd->driver->scan2(hapd->drv_priv, params);
648	return -1;
649}
650
651
652struct wpa_scan_results * hostapd_driver_get_scan_results(
653	struct hostapd_data *hapd)
654{
655	if (hapd->driver && hapd->driver->get_scan_results2)
656		return hapd->driver->get_scan_results2(hapd->drv_priv);
657	return NULL;
658}
659
660
661int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
662			   int duration)
663{
664	if (hapd->driver && hapd->driver->set_noa)
665		return hapd->driver->set_noa(hapd->drv_priv, count, start,
666					     duration);
667	return -1;
668}
669
670
671int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
672			enum wpa_alg alg, const u8 *addr,
673			int key_idx, int set_tx,
674			const u8 *seq, size_t seq_len,
675			const u8 *key, size_t key_len)
676{
677	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
678		return 0;
679	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
680				     key_idx, set_tx, seq, seq_len, key,
681				     key_len);
682}
683
684
685int hostapd_drv_send_mlme(struct hostapd_data *hapd,
686			  const void *msg, size_t len, int noack)
687{
688	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
689		return 0;
690	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
691}
692
693
694int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
695			   const u8 *addr, int reason)
696{
697	if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
698		return 0;
699	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
700					reason);
701}
702
703
704int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
705			     const u8 *addr, int reason)
706{
707	if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
708		return 0;
709	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
710					  reason);
711}
712
713
714int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
715			 const u8 *peer, u8 *buf, u16 *buf_len)
716{
717	if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
718		return 0;
719	return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
720				      buf_len);
721}
722
723
724int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
725			    unsigned int wait, const u8 *dst, const u8 *data,
726			    size_t len)
727{
728	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
729		return 0;
730	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
731					 hapd->own_addr, hapd->own_addr, data,
732					 len, 0);
733}
734
735
736int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
737			  int channel, int ht_enabled, int vht_enabled,
738			  int sec_channel_offset, int vht_oper_chwidth,
739			  int center_segment0, int center_segment1)
740{
741	struct hostapd_data *hapd = iface->bss[0];
742	struct hostapd_freq_params data;
743	int res;
744
745	if (!hapd->driver || !hapd->driver->start_dfs_cac)
746		return 0;
747
748	if (!iface->conf->ieee80211h) {
749		wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
750			   "is not enabled");
751		return -1;
752	}
753
754	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
755				    vht_enabled, sec_channel_offset,
756				    vht_oper_chwidth, center_segment0,
757				    center_segment1,
758				    iface->current_mode->vht_capab))
759		return -1;
760
761	res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
762	if (!res)
763		iface->cac_started = 1;
764
765	return res;
766}
767
768
769int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
770			    const u8 *qos_map_set, u8 qos_map_set_len)
771{
772	if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
773		return 0;
774	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
775					 qos_map_set_len);
776}
777