ap_drv_ops.c revision bd14a57187b024f49f5b9ace55ef457d8d04650a
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 "common/ieee802_11_defs.h"
13#include "wps/wps.h"
14#include "p2p/p2p.h"
15#include "hostapd.h"
16#include "ieee802_11.h"
17#include "sta_info.h"
18#include "ap_config.h"
19#include "p2p_hostapd.h"
20#include "hs20.h"
21#include "ap_drv_ops.h"
22
23
24u32 hostapd_sta_flags_to_drv(u32 flags)
25{
26	int res = 0;
27	if (flags & WLAN_STA_AUTHORIZED)
28		res |= WPA_STA_AUTHORIZED;
29	if (flags & WLAN_STA_WMM)
30		res |= WPA_STA_WMM;
31	if (flags & WLAN_STA_SHORT_PREAMBLE)
32		res |= WPA_STA_SHORT_PREAMBLE;
33	if (flags & WLAN_STA_MFP)
34		res |= WPA_STA_MFP;
35	return res;
36}
37
38
39int hostapd_build_ap_extra_ies(struct hostapd_data *hapd,
40			       struct wpabuf **beacon_ret,
41			       struct wpabuf **proberesp_ret,
42			       struct wpabuf **assocresp_ret)
43{
44	struct wpabuf *beacon = NULL, *proberesp = NULL, *assocresp = NULL;
45	u8 buf[200], *pos;
46
47	*beacon_ret = *proberesp_ret = *assocresp_ret = NULL;
48
49	pos = buf;
50	pos = hostapd_eid_time_adv(hapd, pos);
51	if (pos != buf) {
52		if (wpabuf_resize(&beacon, pos - buf) != 0)
53			goto fail;
54		wpabuf_put_data(beacon, buf, pos - buf);
55	}
56	pos = hostapd_eid_time_zone(hapd, pos);
57	if (pos != buf) {
58		if (wpabuf_resize(&proberesp, pos - buf) != 0)
59			goto fail;
60		wpabuf_put_data(proberesp, buf, pos - buf);
61	}
62
63	pos = buf;
64	pos = hostapd_eid_ext_capab(hapd, pos);
65	if (pos != buf) {
66		if (wpabuf_resize(&assocresp, pos - buf) != 0)
67			goto fail;
68		wpabuf_put_data(assocresp, buf, pos - buf);
69	}
70	pos = hostapd_eid_interworking(hapd, pos);
71	pos = hostapd_eid_adv_proto(hapd, pos);
72	pos = hostapd_eid_roaming_consortium(hapd, pos);
73	if (pos != buf) {
74		if (wpabuf_resize(&beacon, pos - buf) != 0)
75			goto fail;
76		wpabuf_put_data(beacon, buf, pos - buf);
77
78		if (wpabuf_resize(&proberesp, pos - buf) != 0)
79			goto fail;
80		wpabuf_put_data(proberesp, buf, pos - buf);
81	}
82
83	if (hapd->wps_beacon_ie) {
84		if (wpabuf_resize(&beacon, wpabuf_len(hapd->wps_beacon_ie)) <
85		    0)
86			goto fail;
87		wpabuf_put_buf(beacon, hapd->wps_beacon_ie);
88	}
89
90	if (hapd->wps_probe_resp_ie) {
91		if (wpabuf_resize(&proberesp,
92				  wpabuf_len(hapd->wps_probe_resp_ie)) < 0)
93			goto fail;
94		wpabuf_put_buf(proberesp, hapd->wps_probe_resp_ie);
95	}
96
97#ifdef CONFIG_P2P
98	if (hapd->p2p_beacon_ie) {
99		if (wpabuf_resize(&beacon, wpabuf_len(hapd->p2p_beacon_ie)) <
100		    0)
101			goto fail;
102		wpabuf_put_buf(beacon, hapd->p2p_beacon_ie);
103	}
104
105	if (hapd->p2p_probe_resp_ie) {
106		if (wpabuf_resize(&proberesp,
107				  wpabuf_len(hapd->p2p_probe_resp_ie)) < 0)
108			goto fail;
109		wpabuf_put_buf(proberesp, hapd->p2p_probe_resp_ie);
110	}
111#endif /* CONFIG_P2P */
112
113#ifdef CONFIG_P2P_MANAGER
114	if (hapd->conf->p2p & P2P_MANAGE) {
115		if (wpabuf_resize(&beacon, 100) == 0) {
116			u8 *start, *p;
117			start = wpabuf_put(beacon, 0);
118			p = hostapd_eid_p2p_manage(hapd, start);
119			wpabuf_put(beacon, p - start);
120		}
121
122		if (wpabuf_resize(&proberesp, 100) == 0) {
123			u8 *start, *p;
124			start = wpabuf_put(proberesp, 0);
125			p = hostapd_eid_p2p_manage(hapd, start);
126			wpabuf_put(proberesp, p - start);
127		}
128	}
129#endif /* CONFIG_P2P_MANAGER */
130
131#ifdef CONFIG_WPS2
132	if (hapd->conf->wps_state) {
133		struct wpabuf *a = wps_build_assoc_resp_ie();
134		if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
135			wpabuf_put_buf(assocresp, a);
136		wpabuf_free(a);
137	}
138#endif /* CONFIG_WPS2 */
139
140#ifdef CONFIG_P2P_MANAGER
141	if (hapd->conf->p2p & P2P_MANAGE) {
142		if (wpabuf_resize(&assocresp, 100) == 0) {
143			u8 *start, *p;
144			start = wpabuf_put(assocresp, 0);
145			p = hostapd_eid_p2p_manage(hapd, start);
146			wpabuf_put(assocresp, p - start);
147		}
148	}
149#endif /* CONFIG_P2P_MANAGER */
150
151#ifdef CONFIG_WIFI_DISPLAY
152	if (hapd->p2p_group) {
153		struct wpabuf *a;
154		a = p2p_group_assoc_resp_ie(hapd->p2p_group, P2P_SC_SUCCESS);
155		if (a && wpabuf_resize(&assocresp, wpabuf_len(a)) == 0)
156			wpabuf_put_buf(assocresp, a);
157		wpabuf_free(a);
158	}
159#endif /* CONFIG_WIFI_DISPLAY */
160
161#ifdef CONFIG_HS20
162	pos = buf;
163	pos = hostapd_eid_hs20_indication(hapd, pos);
164	if (pos != buf) {
165		if (wpabuf_resize(&beacon, pos - buf) != 0)
166			goto fail;
167		wpabuf_put_data(beacon, buf, pos - buf);
168
169		if (wpabuf_resize(&proberesp, pos - buf) != 0)
170			goto fail;
171		wpabuf_put_data(proberesp, buf, pos - buf);
172	}
173#endif /* CONFIG_HS20 */
174
175	if (hapd->conf->vendor_elements) {
176		size_t add = wpabuf_len(hapd->conf->vendor_elements);
177		if (wpabuf_resize(&beacon, add) == 0)
178			wpabuf_put_buf(beacon, hapd->conf->vendor_elements);
179		if (wpabuf_resize(&proberesp, add) == 0)
180			wpabuf_put_buf(proberesp, hapd->conf->vendor_elements);
181	}
182
183	*beacon_ret = beacon;
184	*proberesp_ret = proberesp;
185	*assocresp_ret = assocresp;
186
187	return 0;
188
189fail:
190	wpabuf_free(beacon);
191	wpabuf_free(proberesp);
192	wpabuf_free(assocresp);
193	return -1;
194}
195
196
197void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
198			       struct wpabuf *beacon,
199			       struct wpabuf *proberesp,
200			       struct wpabuf *assocresp)
201{
202	wpabuf_free(beacon);
203	wpabuf_free(proberesp);
204	wpabuf_free(assocresp);
205}
206
207
208int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
209{
210	struct wpabuf *beacon, *proberesp, *assocresp;
211	int ret;
212
213	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
214		return 0;
215
216	if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
217	    0)
218		return -1;
219
220	ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
221					  assocresp);
222
223	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
224
225	return ret;
226}
227
228
229int hostapd_set_authorized(struct hostapd_data *hapd,
230			   struct sta_info *sta, int authorized)
231{
232	if (authorized) {
233		return hostapd_sta_set_flags(hapd, sta->addr,
234					     hostapd_sta_flags_to_drv(
235						     sta->flags),
236					     WPA_STA_AUTHORIZED, ~0);
237	}
238
239	return hostapd_sta_set_flags(hapd, sta->addr,
240				     hostapd_sta_flags_to_drv(sta->flags),
241				     0, ~WPA_STA_AUTHORIZED);
242}
243
244
245int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
246{
247	int set_flags, total_flags, flags_and, flags_or;
248	total_flags = hostapd_sta_flags_to_drv(sta->flags);
249	set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
250	if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
251	     sta->auth_alg == WLAN_AUTH_FT) &&
252	    sta->flags & WLAN_STA_AUTHORIZED)
253		set_flags |= WPA_STA_AUTHORIZED;
254	flags_or = total_flags & set_flags;
255	flags_and = total_flags | ~set_flags;
256	return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
257				     flags_or, flags_and);
258}
259
260
261int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
262			      int enabled)
263{
264	struct wpa_bss_params params;
265	os_memset(&params, 0, sizeof(params));
266	params.ifname = ifname;
267	params.enabled = enabled;
268	if (enabled) {
269		params.wpa = hapd->conf->wpa;
270		params.ieee802_1x = hapd->conf->ieee802_1x;
271		params.wpa_group = hapd->conf->wpa_group;
272		params.wpa_pairwise = hapd->conf->wpa_pairwise;
273		params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
274		params.rsn_preauth = hapd->conf->rsn_preauth;
275#ifdef CONFIG_IEEE80211W
276		params.ieee80211w = hapd->conf->ieee80211w;
277#endif /* CONFIG_IEEE80211W */
278	}
279	return hostapd_set_ieee8021x(hapd, &params);
280}
281
282
283int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
284{
285	char force_ifname[IFNAMSIZ];
286	u8 if_addr[ETH_ALEN];
287	return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
288			      NULL, NULL, force_ifname, if_addr, NULL, 0);
289}
290
291
292int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
293{
294	return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
295}
296
297
298int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
299			const u8 *addr, int aid, int val)
300{
301	const char *bridge = NULL;
302
303	if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
304		return -1;
305	if (hapd->conf->wds_bridge[0])
306		bridge = hapd->conf->wds_bridge;
307	else if (hapd->conf->bridge[0])
308		bridge = hapd->conf->bridge;
309	return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
310					 bridge, ifname_wds);
311}
312
313
314int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
315			 u16 auth_alg)
316{
317	if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
318		return 0;
319	return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
320}
321
322
323int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
324		     u16 seq, u16 status, const u8 *ie, size_t len)
325{
326	if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
327		return 0;
328	return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
329				      seq, status, ie, len);
330}
331
332
333int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
334		      int reassoc, u16 status, const u8 *ie, size_t len)
335{
336	if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
337		return 0;
338	return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
339				       reassoc, status, ie, len);
340}
341
342
343int hostapd_sta_add(struct hostapd_data *hapd,
344		    const u8 *addr, u16 aid, u16 capability,
345		    const u8 *supp_rates, size_t supp_rates_len,
346		    u16 listen_interval,
347		    const struct ieee80211_ht_capabilities *ht_capab,
348		    const struct ieee80211_vht_capabilities *vht_capab,
349		    u32 flags, u8 qosinfo, u8 vht_opmode)
350{
351	struct hostapd_sta_add_params params;
352
353	if (hapd->driver == NULL)
354		return 0;
355	if (hapd->driver->sta_add == NULL)
356		return 0;
357
358	os_memset(&params, 0, sizeof(params));
359	params.addr = addr;
360	params.aid = aid;
361	params.capability = capability;
362	params.supp_rates = supp_rates;
363	params.supp_rates_len = supp_rates_len;
364	params.listen_interval = listen_interval;
365	params.ht_capabilities = ht_capab;
366	params.vht_capabilities = vht_capab;
367	params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
368	params.vht_opmode = vht_opmode;
369	params.flags = hostapd_sta_flags_to_drv(flags);
370	params.qosinfo = qosinfo;
371	return hapd->driver->sta_add(hapd->drv_priv, &params);
372}
373
374
375int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
376		      u8 *tspec_ie, size_t tspec_ielen)
377{
378	if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
379		return 0;
380	return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
381				       tspec_ielen);
382}
383
384
385int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
386{
387	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
388		return 0;
389	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
390}
391
392
393int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
394			     size_t elem_len)
395{
396	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
397		return 0;
398	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
399}
400
401
402int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
403{
404	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
405		return 0;
406	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
407}
408
409
410int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
411{
412	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
413		return 0;
414	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
415}
416
417
418int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
419		   const char *ifname, const u8 *addr, void *bss_ctx,
420		   void **drv_priv, char *force_ifname, u8 *if_addr,
421		   const char *bridge, int use_existing)
422{
423	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
424		return -1;
425	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
426				    bss_ctx, drv_priv, force_ifname, if_addr,
427				    bridge, use_existing);
428}
429
430
431int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
432		      const char *ifname)
433{
434	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
435	    hapd->driver->if_remove == NULL)
436		return -1;
437	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
438}
439
440
441int hostapd_set_ieee8021x(struct hostapd_data *hapd,
442			  struct wpa_bss_params *params)
443{
444	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
445		return 0;
446	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
447}
448
449
450int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
451		       const u8 *addr, int idx, u8 *seq)
452{
453	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
454		return 0;
455	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
456					seq);
457}
458
459
460int hostapd_flush(struct hostapd_data *hapd)
461{
462	if (hapd->driver == NULL || hapd->driver->flush == NULL)
463		return 0;
464	return hapd->driver->flush(hapd->drv_priv);
465}
466
467
468int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
469			    int freq, int channel, int ht_enabled,
470			    int vht_enabled, int sec_channel_offset,
471			    int vht_oper_chwidth, int center_segment0,
472			    int center_segment1, u32 vht_caps)
473{
474	int tmp;
475
476	os_memset(data, 0, sizeof(*data));
477	data->mode = mode;
478	data->freq = freq;
479	data->channel = channel;
480	data->ht_enabled = ht_enabled;
481	data->vht_enabled = vht_enabled;
482	data->sec_channel_offset = sec_channel_offset;
483	data->center_freq1 = freq + sec_channel_offset * 10;
484	data->center_freq2 = 0;
485	data->bandwidth = sec_channel_offset ? 40 : 20;
486
487	/*
488	 * This validation code is probably misplaced, maybe it should be
489	 * in src/ap/hw_features.c and check the hardware support as well.
490	 */
491	if (data->vht_enabled) switch (vht_oper_chwidth) {
492	case VHT_CHANWIDTH_USE_HT:
493		if (center_segment1)
494			return -1;
495		if (5000 + center_segment0 * 5 != data->center_freq1 &&
496		    2407 + center_segment0 * 5 != data->center_freq1)
497			return -1;
498		break;
499	case VHT_CHANWIDTH_80P80MHZ:
500		if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
501			wpa_printf(MSG_ERROR,
502				   "80+80 channel width is not supported!");
503			return -1;
504		}
505		if (center_segment1 == center_segment0 + 4 ||
506		    center_segment1 == center_segment0 - 4)
507			return -1;
508		data->center_freq2 = 5000 + center_segment1 * 5;
509		/* fall through */
510	case VHT_CHANWIDTH_80MHZ:
511		data->bandwidth = 80;
512		if (vht_oper_chwidth == 1 && center_segment1)
513			return -1;
514		if (vht_oper_chwidth == 3 && !center_segment1)
515			return -1;
516		if (!sec_channel_offset)
517			return -1;
518		/* primary 40 part must match the HT configuration */
519		tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
520		tmp /= 2;
521		if (data->center_freq1 != 5000 +
522					 center_segment0 * 5 - 20 + 40 * tmp)
523			return -1;
524		data->center_freq1 = 5000 + center_segment0 * 5;
525		break;
526	case VHT_CHANWIDTH_160MHZ:
527		data->bandwidth = 160;
528		if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
529				  VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
530			wpa_printf(MSG_ERROR,
531				   "160MHZ channel width is not supported!");
532			return -1;
533		}
534		if (center_segment1)
535			return -1;
536		if (!sec_channel_offset)
537			return -1;
538		/* primary 40 part must match the HT configuration */
539		tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
540		tmp /= 2;
541		if (data->center_freq1 != 5000 +
542					 center_segment0 * 5 - 60 + 40 * tmp)
543			return -1;
544		data->center_freq1 = 5000 + center_segment0 * 5;
545		break;
546	}
547
548	return 0;
549}
550
551
552int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
553		     int channel, int ht_enabled, int vht_enabled,
554		     int sec_channel_offset, int vht_oper_chwidth,
555		     int center_segment0, int center_segment1)
556{
557	struct hostapd_freq_params data;
558
559	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
560				    vht_enabled, sec_channel_offset,
561				    vht_oper_chwidth,
562				    center_segment0, center_segment1,
563				    hapd->iface->current_mode->vht_capab))
564		return -1;
565
566	if (hapd->driver == NULL)
567		return 0;
568	if (hapd->driver->set_freq == NULL)
569		return 0;
570	return hapd->driver->set_freq(hapd->drv_priv, &data);
571}
572
573int hostapd_set_rts(struct hostapd_data *hapd, int rts)
574{
575	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
576		return 0;
577	return hapd->driver->set_rts(hapd->drv_priv, rts);
578}
579
580
581int hostapd_set_frag(struct hostapd_data *hapd, int frag)
582{
583	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
584		return 0;
585	return hapd->driver->set_frag(hapd->drv_priv, frag);
586}
587
588
589int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
590			  int total_flags, int flags_or, int flags_and)
591{
592	if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
593		return 0;
594	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
595					   flags_or, flags_and);
596}
597
598
599int hostapd_set_country(struct hostapd_data *hapd, const char *country)
600{
601	if (hapd->driver == NULL ||
602	    hapd->driver->set_country == NULL)
603		return 0;
604	return hapd->driver->set_country(hapd->drv_priv, country);
605}
606
607
608int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
609				int cw_min, int cw_max, int burst_time)
610{
611	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
612		return 0;
613	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
614						 cw_min, cw_max, burst_time);
615}
616
617
618struct hostapd_hw_modes *
619hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
620			    u16 *flags)
621{
622	if (hapd->driver == NULL ||
623	    hapd->driver->get_hw_feature_data == NULL)
624		return NULL;
625	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
626						 flags);
627}
628
629
630int hostapd_driver_commit(struct hostapd_data *hapd)
631{
632	if (hapd->driver == NULL || hapd->driver->commit == NULL)
633		return 0;
634	return hapd->driver->commit(hapd->drv_priv);
635}
636
637
638int hostapd_drv_none(struct hostapd_data *hapd)
639{
640	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
641}
642
643
644int hostapd_driver_scan(struct hostapd_data *hapd,
645			struct wpa_driver_scan_params *params)
646{
647	if (hapd->driver && hapd->driver->scan2)
648		return hapd->driver->scan2(hapd->drv_priv, params);
649	return -1;
650}
651
652
653struct wpa_scan_results * hostapd_driver_get_scan_results(
654	struct hostapd_data *hapd)
655{
656	if (hapd->driver && hapd->driver->get_scan_results2)
657		return hapd->driver->get_scan_results2(hapd->drv_priv);
658	return NULL;
659}
660
661
662int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
663			   int duration)
664{
665	if (hapd->driver && hapd->driver->set_noa)
666		return hapd->driver->set_noa(hapd->drv_priv, count, start,
667					     duration);
668	return -1;
669}
670
671
672int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
673			enum wpa_alg alg, const u8 *addr,
674			int key_idx, int set_tx,
675			const u8 *seq, size_t seq_len,
676			const u8 *key, size_t key_len)
677{
678	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
679		return 0;
680	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
681				     key_idx, set_tx, seq, seq_len, key,
682				     key_len);
683}
684
685
686int hostapd_drv_send_mlme(struct hostapd_data *hapd,
687			  const void *msg, size_t len, int noack)
688{
689	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
690		return 0;
691	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
692}
693
694
695int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
696			   const u8 *addr, int reason)
697{
698	if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
699		return 0;
700	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
701					reason);
702}
703
704
705int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
706			     const u8 *addr, int reason)
707{
708	if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
709		return 0;
710	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
711					  reason);
712}
713
714
715int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
716			 const u8 *peer, u8 *buf, u16 *buf_len)
717{
718	if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
719		return -1;
720	return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
721				      buf_len);
722}
723
724
725int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
726			    unsigned int wait, const u8 *dst, const u8 *data,
727			    size_t len)
728{
729	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
730		return 0;
731	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
732					 hapd->own_addr, hapd->own_addr, data,
733					 len, 0);
734}
735
736
737int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
738			  int channel, int ht_enabled, int vht_enabled,
739			  int sec_channel_offset, int vht_oper_chwidth,
740			  int center_segment0, int center_segment1)
741{
742	struct hostapd_data *hapd = iface->bss[0];
743	struct hostapd_freq_params data;
744	int res;
745
746	if (!hapd->driver || !hapd->driver->start_dfs_cac)
747		return 0;
748
749	if (!iface->conf->ieee80211h) {
750		wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
751			   "is not enabled");
752		return -1;
753	}
754
755	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
756				    vht_enabled, sec_channel_offset,
757				    vht_oper_chwidth, center_segment0,
758				    center_segment1,
759				    iface->current_mode->vht_capab))
760		return -1;
761
762	res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
763	if (!res)
764		iface->cac_started = 1;
765
766	return res;
767}
768
769
770int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
771			    const u8 *qos_map_set, u8 qos_map_set_len)
772{
773	if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
774		return 0;
775	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
776					 qos_map_set_len);
777}
778