ap_drv_ops.c revision 15907098d1f67c24bb000e593e279af173cf57d7
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_WPS
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_WPS */
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
174	pos = hostapd_eid_osen(hapd, buf);
175	if (pos != buf) {
176		if (wpabuf_resize(&beacon, pos - buf) != 0)
177			goto fail;
178		wpabuf_put_data(beacon, buf, pos - buf);
179
180		if (wpabuf_resize(&proberesp, pos - buf) != 0)
181			goto fail;
182		wpabuf_put_data(proberesp, buf, pos - buf);
183	}
184#endif /* CONFIG_HS20 */
185
186	if (hapd->conf->vendor_elements) {
187		size_t add = wpabuf_len(hapd->conf->vendor_elements);
188		if (wpabuf_resize(&beacon, add) == 0)
189			wpabuf_put_buf(beacon, hapd->conf->vendor_elements);
190		if (wpabuf_resize(&proberesp, add) == 0)
191			wpabuf_put_buf(proberesp, hapd->conf->vendor_elements);
192	}
193
194	*beacon_ret = beacon;
195	*proberesp_ret = proberesp;
196	*assocresp_ret = assocresp;
197
198	return 0;
199
200fail:
201	wpabuf_free(beacon);
202	wpabuf_free(proberesp);
203	wpabuf_free(assocresp);
204	return -1;
205}
206
207
208void hostapd_free_ap_extra_ies(struct hostapd_data *hapd,
209			       struct wpabuf *beacon,
210			       struct wpabuf *proberesp,
211			       struct wpabuf *assocresp)
212{
213	wpabuf_free(beacon);
214	wpabuf_free(proberesp);
215	wpabuf_free(assocresp);
216}
217
218
219int hostapd_set_ap_wps_ie(struct hostapd_data *hapd)
220{
221	struct wpabuf *beacon, *proberesp, *assocresp;
222	int ret;
223
224	if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
225		return 0;
226
227	if (hostapd_build_ap_extra_ies(hapd, &beacon, &proberesp, &assocresp) <
228	    0)
229		return -1;
230
231	ret = hapd->driver->set_ap_wps_ie(hapd->drv_priv, beacon, proberesp,
232					  assocresp);
233
234	hostapd_free_ap_extra_ies(hapd, beacon, proberesp, assocresp);
235
236	return ret;
237}
238
239
240int hostapd_set_authorized(struct hostapd_data *hapd,
241			   struct sta_info *sta, int authorized)
242{
243	if (authorized) {
244		return hostapd_sta_set_flags(hapd, sta->addr,
245					     hostapd_sta_flags_to_drv(
246						     sta->flags),
247					     WPA_STA_AUTHORIZED, ~0);
248	}
249
250	return hostapd_sta_set_flags(hapd, sta->addr,
251				     hostapd_sta_flags_to_drv(sta->flags),
252				     0, ~WPA_STA_AUTHORIZED);
253}
254
255
256int hostapd_set_sta_flags(struct hostapd_data *hapd, struct sta_info *sta)
257{
258	int set_flags, total_flags, flags_and, flags_or;
259	total_flags = hostapd_sta_flags_to_drv(sta->flags);
260	set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
261	if (((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
262	     sta->auth_alg == WLAN_AUTH_FT) &&
263	    sta->flags & WLAN_STA_AUTHORIZED)
264		set_flags |= WPA_STA_AUTHORIZED;
265	flags_or = total_flags & set_flags;
266	flags_and = total_flags | ~set_flags;
267	return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
268				     flags_or, flags_and);
269}
270
271
272int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd, const char *ifname,
273			      int enabled)
274{
275	struct wpa_bss_params params;
276	os_memset(&params, 0, sizeof(params));
277	params.ifname = ifname;
278	params.enabled = enabled;
279	if (enabled) {
280		params.wpa = hapd->conf->wpa;
281		params.ieee802_1x = hapd->conf->ieee802_1x;
282		params.wpa_group = hapd->conf->wpa_group;
283		params.wpa_pairwise = hapd->conf->wpa_pairwise;
284		params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
285		params.rsn_preauth = hapd->conf->rsn_preauth;
286#ifdef CONFIG_IEEE80211W
287		params.ieee80211w = hapd->conf->ieee80211w;
288#endif /* CONFIG_IEEE80211W */
289	}
290	return hostapd_set_ieee8021x(hapd, &params);
291}
292
293
294int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
295{
296	char force_ifname[IFNAMSIZ];
297	u8 if_addr[ETH_ALEN];
298	return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, hapd->own_addr,
299			      NULL, NULL, force_ifname, if_addr, NULL, 0);
300}
301
302
303int hostapd_vlan_if_remove(struct hostapd_data *hapd, const char *ifname)
304{
305	return hostapd_if_remove(hapd, WPA_IF_AP_VLAN, ifname);
306}
307
308
309int hostapd_set_wds_sta(struct hostapd_data *hapd, char *ifname_wds,
310			const u8 *addr, int aid, int val)
311{
312	const char *bridge = NULL;
313
314	if (hapd->driver == NULL || hapd->driver->set_wds_sta == NULL)
315		return -1;
316	if (hapd->conf->wds_bridge[0])
317		bridge = hapd->conf->wds_bridge;
318	else if (hapd->conf->bridge[0])
319		bridge = hapd->conf->bridge;
320	return hapd->driver->set_wds_sta(hapd->drv_priv, addr, aid, val,
321					 bridge, ifname_wds);
322}
323
324
325int hostapd_add_sta_node(struct hostapd_data *hapd, const u8 *addr,
326			 u16 auth_alg)
327{
328	if (hapd->driver == NULL || hapd->driver->add_sta_node == NULL)
329		return 0;
330	return hapd->driver->add_sta_node(hapd->drv_priv, addr, auth_alg);
331}
332
333
334int hostapd_sta_auth(struct hostapd_data *hapd, const u8 *addr,
335		     u16 seq, u16 status, const u8 *ie, size_t len)
336{
337	if (hapd->driver == NULL || hapd->driver->sta_auth == NULL)
338		return 0;
339	return hapd->driver->sta_auth(hapd->drv_priv, hapd->own_addr, addr,
340				      seq, status, ie, len);
341}
342
343
344int hostapd_sta_assoc(struct hostapd_data *hapd, const u8 *addr,
345		      int reassoc, u16 status, const u8 *ie, size_t len)
346{
347	if (hapd->driver == NULL || hapd->driver->sta_assoc == NULL)
348		return 0;
349	return hapd->driver->sta_assoc(hapd->drv_priv, hapd->own_addr, addr,
350				       reassoc, status, ie, len);
351}
352
353
354int hostapd_sta_add(struct hostapd_data *hapd,
355		    const u8 *addr, u16 aid, u16 capability,
356		    const u8 *supp_rates, size_t supp_rates_len,
357		    u16 listen_interval,
358		    const struct ieee80211_ht_capabilities *ht_capab,
359		    const struct ieee80211_vht_capabilities *vht_capab,
360		    u32 flags, u8 qosinfo, u8 vht_opmode)
361{
362	struct hostapd_sta_add_params params;
363
364	if (hapd->driver == NULL)
365		return 0;
366	if (hapd->driver->sta_add == NULL)
367		return 0;
368
369	os_memset(&params, 0, sizeof(params));
370	params.addr = addr;
371	params.aid = aid;
372	params.capability = capability;
373	params.supp_rates = supp_rates;
374	params.supp_rates_len = supp_rates_len;
375	params.listen_interval = listen_interval;
376	params.ht_capabilities = ht_capab;
377	params.vht_capabilities = vht_capab;
378	params.vht_opmode_enabled = !!(flags & WLAN_STA_VHT_OPMODE_ENABLED);
379	params.vht_opmode = vht_opmode;
380	params.flags = hostapd_sta_flags_to_drv(flags);
381	params.qosinfo = qosinfo;
382	return hapd->driver->sta_add(hapd->drv_priv, &params);
383}
384
385
386int hostapd_add_tspec(struct hostapd_data *hapd, const u8 *addr,
387		      u8 *tspec_ie, size_t tspec_ielen)
388{
389	if (hapd->driver == NULL || hapd->driver->add_tspec == NULL)
390		return 0;
391	return hapd->driver->add_tspec(hapd->drv_priv, addr, tspec_ie,
392				       tspec_ielen);
393}
394
395
396int hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
397{
398	if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
399		return 0;
400	return hapd->driver->set_privacy(hapd->drv_priv, enabled);
401}
402
403
404int hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
405			     size_t elem_len)
406{
407	if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
408		return 0;
409	return hapd->driver->set_generic_elem(hapd->drv_priv, elem, elem_len);
410}
411
412
413int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
414{
415	if (hapd->driver == NULL || hapd->driver->hapd_get_ssid == NULL)
416		return 0;
417	return hapd->driver->hapd_get_ssid(hapd->drv_priv, buf, len);
418}
419
420
421int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
422{
423	if (hapd->driver == NULL || hapd->driver->hapd_set_ssid == NULL)
424		return 0;
425	return hapd->driver->hapd_set_ssid(hapd->drv_priv, buf, len);
426}
427
428
429int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
430		   const char *ifname, const u8 *addr, void *bss_ctx,
431		   void **drv_priv, char *force_ifname, u8 *if_addr,
432		   const char *bridge, int use_existing)
433{
434	if (hapd->driver == NULL || hapd->driver->if_add == NULL)
435		return -1;
436	return hapd->driver->if_add(hapd->drv_priv, type, ifname, addr,
437				    bss_ctx, drv_priv, force_ifname, if_addr,
438				    bridge, use_existing);
439}
440
441
442int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
443		      const char *ifname)
444{
445	if (hapd->driver == NULL || hapd->drv_priv == NULL ||
446	    hapd->driver->if_remove == NULL)
447		return -1;
448	return hapd->driver->if_remove(hapd->drv_priv, type, ifname);
449}
450
451
452int hostapd_set_ieee8021x(struct hostapd_data *hapd,
453			  struct wpa_bss_params *params)
454{
455	if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
456		return 0;
457	return hapd->driver->set_ieee8021x(hapd->drv_priv, params);
458}
459
460
461int hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
462		       const u8 *addr, int idx, u8 *seq)
463{
464	if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
465		return 0;
466	return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
467					seq);
468}
469
470
471int hostapd_flush(struct hostapd_data *hapd)
472{
473	if (hapd->driver == NULL || hapd->driver->flush == NULL)
474		return 0;
475	return hapd->driver->flush(hapd->drv_priv);
476}
477
478
479int hostapd_set_freq_params(struct hostapd_freq_params *data, int mode,
480			    int freq, int channel, int ht_enabled,
481			    int vht_enabled, int sec_channel_offset,
482			    int vht_oper_chwidth, int center_segment0,
483			    int center_segment1, u32 vht_caps)
484{
485	int tmp;
486
487	os_memset(data, 0, sizeof(*data));
488	data->mode = mode;
489	data->freq = freq;
490	data->channel = channel;
491	data->ht_enabled = ht_enabled;
492	data->vht_enabled = vht_enabled;
493	data->sec_channel_offset = sec_channel_offset;
494	data->center_freq1 = freq + sec_channel_offset * 10;
495	data->center_freq2 = 0;
496	data->bandwidth = sec_channel_offset ? 40 : 20;
497
498	/*
499	 * This validation code is probably misplaced, maybe it should be
500	 * in src/ap/hw_features.c and check the hardware support as well.
501	 */
502	if (data->vht_enabled) switch (vht_oper_chwidth) {
503	case VHT_CHANWIDTH_USE_HT:
504		if (center_segment1)
505			return -1;
506		if (center_segment0 != 0 &&
507		    5000 + center_segment0 * 5 != data->center_freq1 &&
508		    2407 + center_segment0 * 5 != data->center_freq1)
509			return -1;
510		break;
511	case VHT_CHANWIDTH_80P80MHZ:
512		if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
513			wpa_printf(MSG_ERROR,
514				   "80+80 channel width is not supported!");
515			return -1;
516		}
517		if (center_segment1 == center_segment0 + 4 ||
518		    center_segment1 == center_segment0 - 4)
519			return -1;
520		data->center_freq2 = 5000 + center_segment1 * 5;
521		/* fall through */
522	case VHT_CHANWIDTH_80MHZ:
523		data->bandwidth = 80;
524		if (vht_oper_chwidth == 1 && center_segment1)
525			return -1;
526		if (vht_oper_chwidth == 3 && !center_segment1)
527			return -1;
528		if (!sec_channel_offset)
529			return -1;
530		/* primary 40 part must match the HT configuration */
531		tmp = (30 + freq - 5000 - center_segment0 * 5)/20;
532		tmp /= 2;
533		if (data->center_freq1 != 5000 +
534					 center_segment0 * 5 - 20 + 40 * tmp)
535			return -1;
536		data->center_freq1 = 5000 + center_segment0 * 5;
537		break;
538	case VHT_CHANWIDTH_160MHZ:
539		data->bandwidth = 160;
540		if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
541				  VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
542			wpa_printf(MSG_ERROR,
543				   "160MHZ channel width is not supported!");
544			return -1;
545		}
546		if (center_segment1)
547			return -1;
548		if (!sec_channel_offset)
549			return -1;
550		/* primary 40 part must match the HT configuration */
551		tmp = (70 + freq - 5000 - center_segment0 * 5)/20;
552		tmp /= 2;
553		if (data->center_freq1 != 5000 +
554					 center_segment0 * 5 - 60 + 40 * tmp)
555			return -1;
556		data->center_freq1 = 5000 + center_segment0 * 5;
557		break;
558	}
559
560	return 0;
561}
562
563
564int hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq,
565		     int channel, int ht_enabled, int vht_enabled,
566		     int sec_channel_offset, int vht_oper_chwidth,
567		     int center_segment0, int center_segment1)
568{
569	struct hostapd_freq_params data;
570
571	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
572				    vht_enabled, sec_channel_offset,
573				    vht_oper_chwidth,
574				    center_segment0, center_segment1,
575				    hapd->iface->current_mode->vht_capab))
576		return -1;
577
578	if (hapd->driver == NULL)
579		return 0;
580	if (hapd->driver->set_freq == NULL)
581		return 0;
582	return hapd->driver->set_freq(hapd->drv_priv, &data);
583}
584
585int hostapd_set_rts(struct hostapd_data *hapd, int rts)
586{
587	if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
588		return 0;
589	return hapd->driver->set_rts(hapd->drv_priv, rts);
590}
591
592
593int hostapd_set_frag(struct hostapd_data *hapd, int frag)
594{
595	if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
596		return 0;
597	return hapd->driver->set_frag(hapd->drv_priv, frag);
598}
599
600
601int hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
602			  int total_flags, int flags_or, int flags_and)
603{
604	if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
605		return 0;
606	return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
607					   flags_or, flags_and);
608}
609
610
611int hostapd_set_country(struct hostapd_data *hapd, const char *country)
612{
613	if (hapd->driver == NULL ||
614	    hapd->driver->set_country == NULL)
615		return 0;
616	return hapd->driver->set_country(hapd->drv_priv, country);
617}
618
619
620int hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
621				int cw_min, int cw_max, int burst_time)
622{
623	if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
624		return 0;
625	return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
626						 cw_min, cw_max, burst_time);
627}
628
629
630struct hostapd_hw_modes *
631hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
632			    u16 *flags)
633{
634	if (hapd->driver == NULL ||
635	    hapd->driver->get_hw_feature_data == NULL)
636		return NULL;
637	return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
638						 flags);
639}
640
641
642int hostapd_driver_commit(struct hostapd_data *hapd)
643{
644	if (hapd->driver == NULL || hapd->driver->commit == NULL)
645		return 0;
646	return hapd->driver->commit(hapd->drv_priv);
647}
648
649
650int hostapd_drv_none(struct hostapd_data *hapd)
651{
652	return hapd->driver && os_strcmp(hapd->driver->name, "none") == 0;
653}
654
655
656int hostapd_driver_scan(struct hostapd_data *hapd,
657			struct wpa_driver_scan_params *params)
658{
659	if (hapd->driver && hapd->driver->scan2)
660		return hapd->driver->scan2(hapd->drv_priv, params);
661	return -1;
662}
663
664
665struct wpa_scan_results * hostapd_driver_get_scan_results(
666	struct hostapd_data *hapd)
667{
668	if (hapd->driver && hapd->driver->get_scan_results2)
669		return hapd->driver->get_scan_results2(hapd->drv_priv);
670	return NULL;
671}
672
673
674int hostapd_driver_set_noa(struct hostapd_data *hapd, u8 count, int start,
675			   int duration)
676{
677	if (hapd->driver && hapd->driver->set_noa)
678		return hapd->driver->set_noa(hapd->drv_priv, count, start,
679					     duration);
680	return -1;
681}
682
683
684int hostapd_drv_set_key(const char *ifname, struct hostapd_data *hapd,
685			enum wpa_alg alg, const u8 *addr,
686			int key_idx, int set_tx,
687			const u8 *seq, size_t seq_len,
688			const u8 *key, size_t key_len)
689{
690	if (hapd->driver == NULL || hapd->driver->set_key == NULL)
691		return 0;
692	return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
693				     key_idx, set_tx, seq, seq_len, key,
694				     key_len);
695}
696
697
698int hostapd_drv_send_mlme(struct hostapd_data *hapd,
699			  const void *msg, size_t len, int noack)
700{
701	if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
702		return 0;
703	return hapd->driver->send_mlme(hapd->drv_priv, msg, len, noack);
704}
705
706
707int hostapd_drv_sta_deauth(struct hostapd_data *hapd,
708			   const u8 *addr, int reason)
709{
710	if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
711		return 0;
712	return hapd->driver->sta_deauth(hapd->drv_priv, hapd->own_addr, addr,
713					reason);
714}
715
716
717int hostapd_drv_sta_disassoc(struct hostapd_data *hapd,
718			     const u8 *addr, int reason)
719{
720	if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
721		return 0;
722	return hapd->driver->sta_disassoc(hapd->drv_priv, hapd->own_addr, addr,
723					  reason);
724}
725
726
727int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
728			 const u8 *peer, u8 *buf, u16 *buf_len)
729{
730	if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
731		return -1;
732	return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
733				      buf_len);
734}
735
736
737int hostapd_drv_send_action(struct hostapd_data *hapd, unsigned int freq,
738			    unsigned int wait, const u8 *dst, const u8 *data,
739			    size_t len)
740{
741	if (hapd->driver == NULL || hapd->driver->send_action == NULL)
742		return 0;
743	return hapd->driver->send_action(hapd->drv_priv, freq, wait, dst,
744					 hapd->own_addr, hapd->own_addr, data,
745					 len, 0);
746}
747
748
749int hostapd_start_dfs_cac(struct hostapd_iface *iface, int mode, int freq,
750			  int channel, int ht_enabled, int vht_enabled,
751			  int sec_channel_offset, int vht_oper_chwidth,
752			  int center_segment0, int center_segment1)
753{
754	struct hostapd_data *hapd = iface->bss[0];
755	struct hostapd_freq_params data;
756	int res;
757
758	if (!hapd->driver || !hapd->driver->start_dfs_cac)
759		return 0;
760
761	if (!iface->conf->ieee80211h) {
762		wpa_printf(MSG_ERROR, "Can't start DFS CAC, DFS functionality "
763			   "is not enabled");
764		return -1;
765	}
766
767	if (hostapd_set_freq_params(&data, mode, freq, channel, ht_enabled,
768				    vht_enabled, sec_channel_offset,
769				    vht_oper_chwidth, center_segment0,
770				    center_segment1,
771				    iface->current_mode->vht_capab)) {
772		wpa_printf(MSG_ERROR, "Can't set freq params");
773		return -1;
774	}
775
776	res = hapd->driver->start_dfs_cac(hapd->drv_priv, &data);
777	if (!res)
778		iface->cac_started = 1;
779
780	return res;
781}
782
783
784int hostapd_drv_set_qos_map(struct hostapd_data *hapd,
785			    const u8 *qos_map_set, u8 qos_map_set_len)
786{
787	if (hapd->driver == NULL || hapd->driver->set_qos_map == NULL)
788		return 0;
789	return hapd->driver->set_qos_map(hapd->drv_priv, qos_map_set,
790					 qos_map_set_len);
791}
792