2 * hostapd - driver interface definition
3 * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 enum hostapd_driver_if_type {
19 HOSTAPD_IF_VLAN, HOSTAPD_IF_WDS
22 struct wpa_driver_ops {
23 const char *name; /* as appears in the config file */
25 void * (*init)(struct hostapd_data *hapd);
26 void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
27 void (*deinit)(void *priv);
29 int (*wireless_event_init)(void *priv);
30 void (*wireless_event_deinit)(void *priv);
33 * set_8021x - enable/disable IEEE 802.1X support
34 * @ifname: Interface name (for multi-SSID/VLAN support)
35 * @priv: driver private data
36 * @enabled: 1 = enable, 0 = disable
38 * Returns: 0 on success, -1 on failure
40 * Configure the kernel driver to enable/disable 802.1X support.
41 * This may be an empty function if 802.1X support is always enabled.
43 int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
46 * set_privacy - enable/disable privacy
47 * @priv: driver private data
48 * @enabled: 1 = privacy enabled, 0 = disabled
50 * Return: 0 on success, -1 on failure
54 int (*set_privacy)(const char *ifname, void *priv, int enabled);
56 int (*set_encryption)(const char *ifname, void *priv, const char *alg,
57 const u8 *addr, int idx,
58 const u8 *key, size_t key_len, int txkey);
59 int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
61 int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
63 int (*flush)(void *priv);
64 int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
67 int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
69 int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
70 size_t data_len, int encrypt, const u8 *own_addr);
71 int (*sta_deauth)(void *priv, const u8 *addr, int reason);
72 int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
73 int (*sta_remove)(void *priv, const u8 *addr);
74 int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
75 int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
77 int (*set_countermeasures)(void *priv, int enabled);
78 int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
80 int (*set_assoc_ap)(void *priv, const u8 *addr);
81 int (*sta_add)(const char *ifname, void *priv, const u8 *addr, u16 aid,
82 u16 capability, u8 *supp_rates, size_t supp_rates_len,
84 int (*get_inact_sec)(void *priv, const u8 *addr);
85 int (*sta_clear_stats)(void *priv, const u8 *addr);
87 int (*set_freq)(void *priv, int mode, int freq);
88 int (*set_rts)(void *priv, int rts);
89 int (*get_rts)(void *priv, int *rts);
90 int (*set_frag)(void *priv, int frag);
91 int (*get_frag)(void *priv, int *frag);
92 int (*set_retry)(void *priv, int short_retry, int long_retry);
93 int (*get_retry)(void *priv, int *short_retry, int *long_retry);
95 int (*sta_set_flags)(void *priv, const u8 *addr,
96 int total_flags, int flags_or, int flags_and);
97 int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
99 int (*set_channel_flag)(void *priv, int mode, int chan, int flag,
100 unsigned char power_level,
101 unsigned char antenna_max);
102 int (*set_regulatory_domain)(void *priv, unsigned int rd);
103 int (*set_country)(void *priv, const char *country);
104 int (*set_ieee80211d)(void *priv, int enabled);
105 int (*set_beacon)(const char *ifname, void *priv,
106 u8 *head, size_t head_len,
107 u8 *tail, size_t tail_len);
109 /* Configure internal bridge:
110 * 0 = disabled, i.e., client separation is enabled (no bridging of
111 * packets between associated STAs
112 * 1 = enabled, i.e., bridge packets between associated STAs (default)
114 int (*set_internal_bridge)(void *priv, int value);
115 int (*set_beacon_int)(void *priv, int value);
116 int (*set_dtim_period)(const char *ifname, void *priv, int value);
117 /* Configure broadcast SSID mode:
118 * 0 = include SSID in Beacon frames and reply to Probe Request frames
119 * that use broadcast SSID
120 * 1 = hide SSID from Beacon frames and ignore Probe Request frames for
123 int (*set_broadcast_ssid)(void *priv, int value);
124 int (*set_cts_protect)(void *priv, int value);
125 int (*set_key_tx_rx_threshold)(void *priv, int value);
126 int (*set_preamble)(void *priv, int value);
127 int (*set_short_slot_time)(void *priv, int value);
128 int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
129 int cw_max, int burst_time);
130 int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
131 int (*bss_remove)(void *priv, const char *ifname);
132 int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
133 int (*passive_scan)(void *priv, int now, int our_mode_only,
134 int interval, int _listen, int *channel,
136 struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
139 int (*if_add)(const char *iface, void *priv,
140 enum hostapd_driver_if_type type, char *ifname,
142 int (*if_update)(void *priv, enum hostapd_driver_if_type type,
143 char *ifname, const u8 *addr);
144 int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
145 const char *ifname, const u8 *addr);
146 int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
149 * commit - Optional commit changes handler
150 * @priv: driver private data
151 * Returns: 0 on success, -1 on failure
153 * This optional handler function can be registered if the driver
154 * interface implementation needs to commit changes (e.g., by setting
155 * network interface up) at the end of initial configuration. If set,
156 * this handler will be called after initial setup has been completed.
158 int (*commit)(void *priv);
160 int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
161 const u8 *data, size_t data_len);
165 hostapd_driver_init(struct hostapd_data *hapd)
167 if (hapd->driver == NULL || hapd->driver->init == NULL)
169 return hapd->driver->init(hapd);
173 hostapd_driver_init_bssid(struct hostapd_data *hapd, const u8 *bssid)
175 if (hapd->driver == NULL || hapd->driver->init_bssid == NULL)
177 return hapd->driver->init_bssid(hapd, bssid);
181 hostapd_driver_deinit(struct hostapd_data *hapd)
183 if (hapd->driver == NULL || hapd->driver->deinit == NULL)
185 hapd->driver->deinit(hapd->drv_priv);
189 hostapd_wireless_event_init(struct hostapd_data *hapd)
191 if (hapd->driver == NULL ||
192 hapd->driver->wireless_event_init == NULL)
194 return hapd->driver->wireless_event_init(hapd->drv_priv);
198 hostapd_wireless_event_deinit(struct hostapd_data *hapd)
200 if (hapd->driver == NULL ||
201 hapd->driver->wireless_event_deinit == NULL)
203 hapd->driver->wireless_event_deinit(hapd->drv_priv);
207 hostapd_set_ieee8021x(const char *ifname, struct hostapd_data *hapd,
210 if (hapd->driver == NULL || hapd->driver->set_ieee8021x == NULL)
212 return hapd->driver->set_ieee8021x(ifname, hapd->drv_priv, enabled);
216 hostapd_set_privacy(struct hostapd_data *hapd, int enabled)
218 if (hapd->driver == NULL || hapd->driver->set_privacy == NULL)
220 return hapd->driver->set_privacy(hapd->conf->iface, hapd->drv_priv,
225 hostapd_set_encryption(const char *ifname, struct hostapd_data *hapd,
226 const char *alg, const u8 *addr, int idx,
227 u8 *key, size_t key_len, int txkey)
229 if (hapd->driver == NULL || hapd->driver->set_encryption == NULL)
231 return hapd->driver->set_encryption(ifname, hapd->drv_priv, alg, addr,
232 idx, key, key_len, txkey);
236 hostapd_get_seqnum(const char *ifname, struct hostapd_data *hapd,
237 const u8 *addr, int idx, u8 *seq)
239 if (hapd->driver == NULL || hapd->driver->get_seqnum == NULL)
241 return hapd->driver->get_seqnum(ifname, hapd->drv_priv, addr, idx,
246 hostapd_get_seqnum_igtk(const char *ifname, struct hostapd_data *hapd,
247 const u8 *addr, int idx, u8 *seq)
249 if (hapd->driver == NULL || hapd->driver->get_seqnum_igtk == NULL)
251 return hapd->driver->get_seqnum_igtk(ifname, hapd->drv_priv, addr, idx,
256 hostapd_flush(struct hostapd_data *hapd)
258 if (hapd->driver == NULL || hapd->driver->flush == NULL)
260 return hapd->driver->flush(hapd->drv_priv);
264 hostapd_set_generic_elem(struct hostapd_data *hapd, const u8 *elem,
267 if (hapd->driver == NULL || hapd->driver->set_generic_elem == NULL)
269 return hapd->driver->set_generic_elem(hapd->conf->iface,
270 hapd->drv_priv, elem, elem_len);
274 hostapd_read_sta_data(struct hostapd_data *hapd,
275 struct hostap_sta_driver_data *data, const u8 *addr)
277 if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
279 return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
283 hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr, const u8 *data,
284 size_t data_len, int encrypt)
286 if (hapd->driver == NULL || hapd->driver->send_eapol == NULL)
288 return hapd->driver->send_eapol(hapd->drv_priv, addr, data, data_len,
289 encrypt, hapd->own_addr);
293 hostapd_sta_deauth(struct hostapd_data *hapd, const u8 *addr, int reason)
295 if (hapd->driver == NULL || hapd->driver->sta_deauth == NULL)
297 return hapd->driver->sta_deauth(hapd->drv_priv, addr, reason);
301 hostapd_sta_disassoc(struct hostapd_data *hapd, const u8 *addr, int reason)
303 if (hapd->driver == NULL || hapd->driver->sta_disassoc == NULL)
305 return hapd->driver->sta_disassoc(hapd->drv_priv, addr, reason);
309 hostapd_sta_remove(struct hostapd_data *hapd, const u8 *addr)
311 if (hapd->driver == NULL || hapd->driver->sta_remove == NULL)
313 return hapd->driver->sta_remove(hapd->drv_priv, addr);
317 hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len)
319 if (hapd->driver == NULL || hapd->driver->get_ssid == NULL)
321 return hapd->driver->get_ssid(hapd->conf->iface, hapd->drv_priv, buf,
326 hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len)
328 if (hapd->driver == NULL || hapd->driver->set_ssid == NULL)
330 return hapd->driver->set_ssid(hapd->conf->iface, hapd->drv_priv, buf,
335 hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg, size_t len,
338 if (hapd->driver == NULL || hapd->driver->send_mgmt_frame == NULL)
340 return hapd->driver->send_mgmt_frame(hapd->drv_priv, msg, len, flags);
344 hostapd_set_assoc_ap(struct hostapd_data *hapd, const u8 *addr)
346 if (hapd->driver == NULL || hapd->driver->set_assoc_ap == NULL)
348 return hapd->driver->set_assoc_ap(hapd->drv_priv, addr);
352 hostapd_set_countermeasures(struct hostapd_data *hapd, int enabled)
354 if (hapd->driver == NULL || hapd->driver->set_countermeasures == NULL)
356 return hapd->driver->set_countermeasures(hapd->drv_priv, enabled);
360 hostapd_sta_add(const char *ifname, struct hostapd_data *hapd, const u8 *addr,
361 u16 aid, u16 capability, u8 *supp_rates, size_t supp_rates_len,
364 if (hapd->driver == NULL || hapd->driver->sta_add == NULL)
366 return hapd->driver->sta_add(ifname, hapd->drv_priv, addr, aid,
367 capability, supp_rates, supp_rates_len,
372 hostapd_get_inact_sec(struct hostapd_data *hapd, const u8 *addr)
374 if (hapd->driver == NULL || hapd->driver->get_inact_sec == NULL)
376 return hapd->driver->get_inact_sec(hapd->drv_priv, addr);
380 hostapd_set_freq(struct hostapd_data *hapd, int mode, int freq)
382 if (hapd->driver == NULL || hapd->driver->set_freq == NULL)
384 return hapd->driver->set_freq(hapd->drv_priv, mode, freq);
388 hostapd_set_rts(struct hostapd_data *hapd, int rts)
390 if (hapd->driver == NULL || hapd->driver->set_rts == NULL)
392 return hapd->driver->set_rts(hapd->drv_priv, rts);
396 hostapd_get_rts(struct hostapd_data *hapd, int *rts)
398 if (hapd->driver == NULL || hapd->driver->get_rts == NULL)
400 return hapd->driver->get_rts(hapd->drv_priv, rts);
404 hostapd_set_frag(struct hostapd_data *hapd, int frag)
406 if (hapd->driver == NULL || hapd->driver->set_frag == NULL)
408 return hapd->driver->set_frag(hapd->drv_priv, frag);
412 hostapd_get_frag(struct hostapd_data *hapd, int *frag)
414 if (hapd->driver == NULL || hapd->driver->get_frag == NULL)
416 return hapd->driver->get_frag(hapd->drv_priv, frag);
420 hostapd_set_retry(struct hostapd_data *hapd, int short_retry, int long_retry)
422 if (hapd->driver == NULL || hapd->driver->set_retry == NULL)
424 return hapd->driver->set_retry(hapd->drv_priv, short_retry,
429 hostapd_get_retry(struct hostapd_data *hapd, int *short_retry, int *long_retry)
431 if (hapd->driver == NULL || hapd->driver->get_retry == NULL)
433 return hapd->driver->get_retry(hapd->drv_priv, short_retry,
438 hostapd_sta_set_flags(struct hostapd_data *hapd, u8 *addr,
439 int total_flags, int flags_or, int flags_and)
441 if (hapd->driver == NULL || hapd->driver->sta_set_flags == NULL)
443 return hapd->driver->sta_set_flags(hapd->drv_priv, addr, total_flags,
444 flags_or, flags_and);
448 hostapd_set_rate_sets(struct hostapd_data *hapd, int *supp_rates,
449 int *basic_rates, int mode)
451 if (hapd->driver == NULL || hapd->driver->set_rate_sets == NULL)
453 return hapd->driver->set_rate_sets(hapd->drv_priv, supp_rates,
458 hostapd_set_channel_flag(struct hostapd_data *hapd, int mode, int chan,
459 int flag, unsigned char power_level,
460 unsigned char antenna_max)
462 if (hapd->driver == NULL || hapd->driver->set_channel_flag == NULL)
464 return hapd->driver->set_channel_flag(hapd->drv_priv, mode, chan, flag,
465 power_level, antenna_max);
469 hostapd_set_regulatory_domain(struct hostapd_data *hapd, unsigned int rd)
471 if (hapd->driver == NULL ||
472 hapd->driver->set_regulatory_domain == NULL)
474 return hapd->driver->set_regulatory_domain(hapd->drv_priv, rd);
478 hostapd_set_country(struct hostapd_data *hapd, const char *country)
480 if (hapd->driver == NULL ||
481 hapd->driver->set_country == NULL)
483 return hapd->driver->set_country(hapd->drv_priv, country);
487 hostapd_set_ieee80211d(struct hostapd_data *hapd, int enabled)
489 if (hapd->driver == NULL ||
490 hapd->driver->set_ieee80211d == NULL)
492 return hapd->driver->set_ieee80211d(hapd->drv_priv, enabled);
496 hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
498 if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
500 return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
504 hostapd_set_beacon(const char *ifname, struct hostapd_data *hapd,
505 u8 *head, size_t head_len,
506 u8 *tail, size_t tail_len)
508 if (hapd->driver == NULL || hapd->driver->set_beacon == NULL)
510 return hapd->driver->set_beacon(ifname, hapd->drv_priv, head, head_len,
515 hostapd_set_internal_bridge(struct hostapd_data *hapd, int value)
517 if (hapd->driver == NULL || hapd->driver->set_internal_bridge == NULL)
519 return hapd->driver->set_internal_bridge(hapd->drv_priv, value);
523 hostapd_set_beacon_int(struct hostapd_data *hapd, int value)
525 if (hapd->driver == NULL || hapd->driver->set_beacon_int == NULL)
527 return hapd->driver->set_beacon_int(hapd->drv_priv, value);
531 hostapd_set_dtim_period(struct hostapd_data *hapd, int value)
533 if (hapd->driver == NULL || hapd->driver->set_dtim_period == NULL)
535 return hapd->driver->set_dtim_period(hapd->conf->iface, hapd->drv_priv,
540 hostapd_set_broadcast_ssid(struct hostapd_data *hapd, int value)
542 if (hapd->driver == NULL || hapd->driver->set_broadcast_ssid == NULL)
544 return hapd->driver->set_broadcast_ssid(hapd->drv_priv, value);
548 hostapd_set_cts_protect(struct hostapd_data *hapd, int value)
550 if (hapd->driver == NULL || hapd->driver->set_cts_protect == NULL)
552 return hapd->driver->set_cts_protect(hapd->drv_priv, value);
556 hostapd_set_key_tx_rx_threshold(struct hostapd_data *hapd, int value)
558 if (hapd->driver == NULL ||
559 hapd->driver->set_key_tx_rx_threshold == NULL)
561 return hapd->driver->set_key_tx_rx_threshold(hapd->drv_priv, value);
565 hostapd_set_preamble(struct hostapd_data *hapd, int value)
567 if (hapd->driver == NULL || hapd->driver->set_preamble == NULL)
569 return hapd->driver->set_preamble(hapd->drv_priv, value);
573 hostapd_set_short_slot_time(struct hostapd_data *hapd, int value)
575 if (hapd->driver == NULL || hapd->driver->set_short_slot_time == NULL)
577 return hapd->driver->set_short_slot_time(hapd->drv_priv, value);
581 hostapd_set_tx_queue_params(struct hostapd_data *hapd, int queue, int aifs,
582 int cw_min, int cw_max, int burst_time)
584 if (hapd->driver == NULL || hapd->driver->set_tx_queue_params == NULL)
586 return hapd->driver->set_tx_queue_params(hapd->drv_priv, queue, aifs,
587 cw_min, cw_max, burst_time);
591 hostapd_bss_add(struct hostapd_data *hapd, const char *ifname, const u8 *bssid)
593 if (hapd->driver == NULL || hapd->driver->bss_add == NULL)
595 return hapd->driver->bss_add(hapd->drv_priv, ifname, bssid);
599 hostapd_bss_remove(struct hostapd_data *hapd, const char *ifname)
601 if (hapd->driver == NULL || hapd->driver->bss_remove == NULL)
603 return hapd->driver->bss_remove(hapd->drv_priv, ifname);
607 hostapd_valid_bss_mask(struct hostapd_data *hapd, const u8 *addr,
610 if (hapd->driver == NULL || hapd->driver->valid_bss_mask == NULL)
612 return hapd->driver->valid_bss_mask(hapd->drv_priv, addr, mask);
616 hostapd_if_add(struct hostapd_data *hapd, enum hostapd_driver_if_type type,
617 char *ifname, const u8 *addr)
619 if (hapd->driver == NULL || hapd->driver->if_add == NULL)
621 return hapd->driver->if_add(hapd->conf->iface, hapd->drv_priv, type,
626 hostapd_if_update(struct hostapd_data *hapd, enum hostapd_driver_if_type type,
627 char *ifname, const u8 *addr)
629 if (hapd->driver == NULL || hapd->driver->if_update == NULL)
631 return hapd->driver->if_update(hapd->drv_priv, type, ifname, addr);
635 hostapd_if_remove(struct hostapd_data *hapd, enum hostapd_driver_if_type type,
636 char *ifname, const u8 *addr)
638 if (hapd->driver == NULL || hapd->driver->if_remove == NULL)
640 return hapd->driver->if_remove(hapd->drv_priv, type, ifname, addr);
644 hostapd_passive_scan(struct hostapd_data *hapd, int now, int our_mode_only,
645 int interval, int _listen, int *channel,
648 if (hapd->driver == NULL || hapd->driver->passive_scan == NULL)
650 return hapd->driver->passive_scan(hapd->drv_priv, now, our_mode_only,
651 interval, _listen, channel, last_rx);
654 static inline struct hostapd_hw_modes *
655 hostapd_get_hw_feature_data(struct hostapd_data *hapd, u16 *num_modes,
658 if (hapd->driver == NULL || hapd->driver->get_hw_feature_data == NULL)
660 return hapd->driver->get_hw_feature_data(hapd->drv_priv, num_modes,
665 hostapd_set_sta_vlan(const char *ifname, struct hostapd_data *hapd,
666 const u8 *addr, int vlan_id)
668 if (hapd->driver == NULL || hapd->driver->set_sta_vlan == NULL)
670 return hapd->driver->set_sta_vlan(hapd->drv_priv, addr, ifname, vlan_id);
674 hostapd_driver_commit(struct hostapd_data *hapd)
676 if (hapd->driver == NULL || hapd->driver->commit == NULL)
678 return hapd->driver->commit(hapd->drv_priv);
681 #endif /* DRIVER_H */