ap_drv_ops.c revision fb79edc9df1f20461e90e478363d207348213d35
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)
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.flags = hostapd_sta_flags_to_drv(flags);
368	params.qosinfo = qosinfo;
369	return hapd->driver->sta_add(hapd->drv_priv, &params);
370}
371
372
373int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
374		      u8 *tspec_ie, size_t tspec_ielen)
375{
376	if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
377		return 0;
378	return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
379				       tspec_ielen);
380}
381
382
383int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
384{
385	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
386		return 0;
387	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
388}
389
390
391int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
392			     size_t elem_len)
393{
394	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
395		return 0;
396	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
397}
398
399
400int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
401{
402	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
403		return 0;
404	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
405}
406
407
408int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
409{
410	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
411		return 0;
412	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
413}
414
415
416int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
417		   const char *ifname, const u8 *addr, void *bss_ctx,
418		   void **drv_priv, char *force_ifname, u8 *if_addr,
419		   const char *bridge, int use_existing)
420{
421	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
422		return -1;
423	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
424				    bss_ctx, drv_priv, force_ifname, if_addr,
425				    bridge, use_existing);
426}
427
428
429int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
430		      const char *ifname)
431{
432	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
433	    hapd->driver->if_remove == NULL)
434		return -1;
435	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
436}
437
438
439int hostapd_set_ieee8021x(struct hostapd_data *hapd,
440			  struct wpa_bss_params *params)
441{
442	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
443		return 0;
444	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
445}
446
447
448int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
449		       const u8 *addr, int idx, u8 *seq)
450{
451	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
452		return 0;
453	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
454					seq);
455}
456
457
458int hostapd_flush(struct hostapd_data *hapd)
459{
460	if (hapd->driver == NULL || hapd->driver->flush == NULL)
461		return 0;
462	return hapd->driver->flush(hapd->drv_priv);
463}
464
465
466int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
467			    int freq, int channel, int ht_enabled,
468			    int vht_enabled, int sec_channel_offset,
469			    int vht_oper_chwidth, int center_segment0,
470			    int center_segment1, u32 vht_caps)
471{
472	int tmp;
473
474	os_memset(data, 0, sizeof(*data));
475	data->mode = mode;
476	data->freq = freq;
477	data->channel = channel;
478	data->ht_enabled = ht_enabled;
479	data->vht_enabled = vht_enabled;
480	data->sec_channel_offset = sec_channel_offset;
481	data->center_freq1 = freq + sec_channel_offset * 10;
482	data->center_freq2 = 0;
483	data->bandwidth = sec_channel_offset ? 40 : 20;
484
485	/*
486	 * This validation code is probably misplaced, maybe it should be
487	 * in src/ap/hw_features.c and check the hardware support as well.
488	 */
489	if (data->vht_enabled) switch (vht_oper_chwidth) {
490	case VHT_CHANWIDTH_USE_HT:
491		if (center_segment1)
492			return -1;
493		if (5000 + center_segment0 * 5 != data->center_freq1 &&
494		    2407 + center_segment0 * 5 != data->center_freq1)
495			return -1;
496		break;
497	case VHT_CHANWIDTH_80P80MHZ:
498		if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
499			wpa_printf(MSG_ERROR,
500				   "80+80 channel width is not supported!");
501			return -1;
502		}
503		if (center_segment1 == center_segment0 + 4 ||
504		    center_segment1 == center_segment0 - 4)
505			return -1;
506		data->center_freq2 = 5000 + center_segment1 * 5;
507		/* fall through */
508	case VHT_CHANWIDTH_80MHZ:
509		data->bandwidth = 80;
510		if (vht_oper_chwidth == 1 && center_segment1)
511			return -1;
512		if (vht_oper_chwidth == 3 && !center_segment1)
513			return -1;
514		if (!sec_channel_offset)
515			return -1;
516		/* primary 40 part must match the HT configuration */
517		tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
518		tmp /= 2;
519		if (data->center_freq1 != 5000 +
520					 center_segment0 * 5 - 20 + 40 * tmp)
521			return -1;
522		data->center_freq1 = 5000 + center_segment0 * 5;
523		break;
524	case VHT_CHANWIDTH_160MHZ:
525		data->bandwidth = 160;
526		if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
527				  VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
528			wpa_printf(MSG_ERROR,
529				   "160MHZ channel width is not supported!");
530			return -1;
531		}
532		if (center_segment1)
533			return -1;
534		if (!sec_channel_offset)
535			return -1;
536		/* primary 40 part must match the HT configuration */
537		tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
538		tmp /= 2;
539		if (data->center_freq1 != 5000 +
540					 center_segment0 * 5 - 60 + 40 * tmp)
541			return -1;
542		data->center_freq1 = 5000 + center_segment0 * 5;
543		break;
544	}
545
546	return 0;
547}
548
549
550int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
551		     int channel, int ht_enabled, int vht_enabled,
552		     int sec_channel_offset, int vht_oper_chwidth,
553		     int center_segment0, int center_segment1)
554{
555	struct hostapd_freq_params data;
556
557	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
558				    vht_enabled, sec_channel_offset,
559				    vht_oper_chwidth,
560				    center_segment0, center_segment1,
561				    hapd->iface->current_mode->vht_capab))
562		return -1;
563
564	if (hapd->driver == NULL)
565		return 0;
566	if (hapd->driver->set_freq == NULL)
567		return 0;
568	return hapd->driver->set_freq(hapd->drv_priv, &data);
569}
570
571int hostapd_set_rts(struct hostapd_data *hapd, int rts)
572{
573	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
574		return 0;
575	return hapd->driver->set_rts(hapd->drv_priv, rts);
576}
577
578
579int hostapd_set_frag(struct hostapd_data *hapd, int frag)
580{
581	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
582		return 0;
583	return hapd->driver->set_frag(hapd->drv_priv, frag);
584}
585
586
587int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
588			  int total_flags, int flags_or, int flags_and)
589{
590	if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
591		return 0;
592	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
593					   flags_or, flags_and);
594}
595
596
597int hostapd_set_country(struct hostapd_data *hapd, const char *country)
598{
599	if (hapd->driver == NULL ||
600	    hapd->driver->set_country == NULL)
601		return 0;
602	return hapd->driver->set_country(hapd->drv_priv, country);
603}
604
605
606int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
607				int cw_min, int cw_max, int burst_time)
608{
609	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
610		return 0;
611	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
612						 cw_min, cw_max, burst_time);
613}
614
615
616struct hostapd_hw_modes *
617hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
618			    u16 *flags)
619{
620	if (hapd->driver == NULL ||
621	    hapd->driver->get_hw_feature_data == NULL)
622		return NULL;
623	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
624						 flags);
625}
626
627
628int hostapd_driver_commit(struct hostapd_data *hapd)
629{
630	if (hapd->driver == NULL || hapd->driver->commit == NULL)
631		return 0;
632	return hapd->driver->commit(hapd->drv_priv);
633}
634
635
636int hostapd_drv_none(struct hostapd_data *hapd)
637{
638	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
639}
640
641
642int hostapd_driver_scan(struct hostapd_data *hapd,
643			struct wpa_driver_scan_params *params)
644{
645	if (hapd->driver && hapd->driver->scan2)
646		return hapd->driver->scan2(hapd->drv_priv, params);
647	return -1;
648}
649
650
651struct wpa_scan_results * hostapd_driver_get_scan_results(
652	struct hostapd_data *hapd)
653{
654	if (hapd->driver && hapd->driver->get_scan_results2)
655		return hapd->driver->get_scan_results2(hapd->drv_priv);
656	return NULL;
657}
658
659
660int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
661			   int duration)
662{
663	if (hapd->driver && hapd->driver->set_noa)
664		return hapd->driver->set_noa(hapd->drv_priv, count, start,
665					     duration);
666	return -1;
667}
668
669
670int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
671			enum wpa_alg alg, const u8 *addr,
672			int key_idx, int set_tx,
673			const u8 *seq, size_t seq_len,
674			const u8 *key, size_t key_len)
675{
676	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
677		return 0;
678	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
679				     key_idx, set_tx, seq, seq_len, key,
680				     key_len);
681}
682
683
684int hostapd_drv_send_mlme(struct hostapd_data *hapd,
685			  const void *msg, size_t len, int noack)
686{
687	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
688		return 0;
689	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
690}
691
692
693int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
694			   const u8 *addr, int reason)
695{
696	if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
697		return 0;
698	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
699					reason);
700}
701
702
703int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
704			     const u8 *addr, int reason)
705{
706	if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
707		return 0;
708	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
709					  reason);
710}
711
712
713int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
714			 const u8 *peer, u8 *buf, u16 *buf_len)
715{
716	if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
717		return -1;
718	return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
719				      buf_len);
720}
721
722
723int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
724			    unsigned int wait, const u8 *dst, const u8 *data,
725			    size_t len)
726{
727	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
728		return 0;
729	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
730					 hapd->own_addr, hapd->own_addr, data,
731					 len, 0);
732}
733
734
735int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
736			  int channel, int ht_enabled, int vht_enabled,
737			  int sec_channel_offset, int vht_oper_chwidth,
738			  int center_segment0, int center_segment1)
739{
740	struct hostapd_data *hapd = iface->bss[0];
741	struct hostapd_freq_params data;
742	int res;
743
744	if (!hapd->driver || !hapd->driver->start_dfs_cac)
745		return 0;
746
747	if (!iface->conf->ieee80211h) {
748		wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
749			   "is not enabled");
750		return -1;
751	}
752
753	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
754				    vht_enabled, sec_channel_offset,
755				    vht_oper_chwidth, center_segment0,
756				    center_segment1,
757				    iface->current_mode->vht_capab))
758		return -1;
759
760	res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
761	if (!res)
762		iface->cac_started = 1;
763
764	return res;
765}
766
767
768int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
769			    const u8 *qos_map_set, u8 qos_map_set_len)
770{
771	if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
772		return 0;
773	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
774					 qos_map_set_len);
775}
776