2 * hostapd - driver interface definition
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
4 * Copyright (c) 2007-2008, Intel Corporation
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * Alternatively, this software may be distributed under the terms of BSD
13 * See README and COPYING for more details.
21 struct hostap_sta_driver_data {
22 unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
23 unsigned long current_tx_rate;
24 unsigned long inactive_msec;
26 unsigned long num_ps_buf_frames;
27 unsigned long tx_retry_failed;
28 unsigned long tx_retry_count;
33 struct hostapd_sta_add_params {
38 size_t supp_rates_len;
41 const struct ht_cap_ie *ht_capabilities;
44 struct hostapd_freq_params {
48 int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
49 * secondary channel below primary, 1 = HT40
50 * enabled, secondary channel above primary */
53 enum hostapd_driver_if_type {
54 HOSTAPD_IF_VLAN, HOSTAPD_IF_WDS
57 struct hostapd_neighbor_bss {
62 int sec_chan; /* 0 for 20 MHz channels */
65 struct wpa_driver_ops {
66 const char *name; /* as appears in the config file */
68 void * (*init)(struct hostapd_data *hapd);
69 void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
70 void (*deinit)(void *priv);
72 int (*wireless_event_init)(void *priv);
73 void (*wireless_event_deinit)(void *priv);
76 * set_8021x - enable/disable IEEE 802.1X support
77 * @ifname: Interface name (for multi-SSID/VLAN support)
78 * @priv: driver private data
79 * @enabled: 1 = enable, 0 = disable
81 * Returns: 0 on success, -1 on failure
83 * Configure the kernel driver to enable/disable 802.1X support.
84 * This may be an empty function if 802.1X support is always enabled.
86 int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
89 * set_privacy - enable/disable privacy
90 * @priv: driver private data
91 * @enabled: 1 = privacy enabled, 0 = disabled
93 * Return: 0 on success, -1 on failure
97 int (*set_privacy)(const char *ifname, void *priv, int enabled);
99 int (*set_encryption)(const char *ifname, void *priv, const char *alg,
100 const u8 *addr, int idx,
101 const u8 *key, size_t key_len, int txkey);
102 int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
104 int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
106 int (*flush)(void *priv);
107 int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
110 int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
112 int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
113 size_t data_len, int encrypt, const u8 *own_addr);
114 int (*sta_deauth)(void *priv, const u8 *addr, int reason);
115 int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
116 int (*sta_remove)(void *priv, const u8 *addr);
117 int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
118 int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
120 int (*set_countermeasures)(void *priv, int enabled);
121 int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
123 int (*set_assoc_ap)(void *priv, const u8 *addr);
124 /* note: sta_add() is deprecated; use sta_add2() instead */
125 int (*sta_add)(const char *ifname, void *priv, const u8 *addr, u16 aid,
126 u16 capability, u8 *supp_rates, size_t supp_rates_len,
127 int flags, u16 listen_interval);
128 int (*sta_add2)(const char *ifname, void *priv,
129 struct hostapd_sta_add_params *params);
130 int (*get_inact_sec)(void *priv, const u8 *addr);
131 int (*sta_clear_stats)(void *priv, const u8 *addr);
133 /* note: set_freq() is deprecated; use set_freq2() instead */
134 int (*set_freq)(void *priv, int mode, int freq);
135 int (*set_freq2)(void *priv, struct hostapd_freq_params *freq);
136 int (*set_rts)(void *priv, int rts);
137 int (*get_rts)(void *priv, int *rts);
138 int (*set_frag)(void *priv, int frag);
139 int (*get_frag)(void *priv, int *frag);
140 int (*set_retry)(void *priv, int short_retry, int long_retry);
141 int (*get_retry)(void *priv, int *short_retry, int *long_retry);
143 int (*sta_set_flags)(void *priv, const u8 *addr,
144 int total_flags, int flags_or, int flags_and);
145 int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
147 int (*set_country)(void *priv, const char *country);
148 int (*set_ieee80211d)(void *priv, int enabled);
149 int (*set_beacon)(const char *ifname, void *priv,
150 u8 *head, size_t head_len,
151 u8 *tail, size_t tail_len);
153 /* Configure internal bridge:
154 * 0 = disabled, i.e., client separation is enabled (no bridging of
155 * packets between associated STAs
156 * 1 = enabled, i.e., bridge packets between associated STAs (default)
158 int (*set_internal_bridge)(void *priv, int value);
159 int (*set_beacon_int)(void *priv, int value);
160 int (*set_dtim_period)(const char *ifname, void *priv, int value);
161 /* Configure broadcast SSID mode:
162 * 0 = include SSID in Beacon frames and reply to Probe Request frames
163 * that use broadcast SSID
164 * 1 = hide SSID from Beacon frames and ignore Probe Request frames for
167 int (*set_broadcast_ssid)(void *priv, int value);
168 int (*set_cts_protect)(void *priv, int value);
169 int (*set_key_tx_rx_threshold)(void *priv, int value);
170 int (*set_preamble)(void *priv, int value);
171 int (*set_short_slot_time)(void *priv, int value);
172 int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
173 int cw_max, int burst_time);
174 int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
175 int (*bss_remove)(void *priv, const char *ifname);
176 int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
177 int (*passive_scan)(void *priv, int now, int our_mode_only,
178 int interval, int _listen, int *channel,
180 struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
183 int (*if_add)(const char *iface, void *priv,
184 enum hostapd_driver_if_type type, char *ifname,
186 int (*if_update)(void *priv, enum hostapd_driver_if_type type,
187 char *ifname, const u8 *addr);
188 int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
189 const char *ifname, const u8 *addr);
190 int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
193 * commit - Optional commit changes handler
194 * @priv: driver private data
195 * Returns: 0 on success, -1 on failure
197 * This optional handler function can be registered if the driver
198 * interface implementation needs to commit changes (e.g., by setting
199 * network interface up) at the end of initial configuration. If set,
200 * this handler will be called after initial setup has been completed.
202 int (*commit)(void *priv);
204 int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
205 const u8 *data, size_t data_len);
207 int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
208 u32 session_timeout);
209 int (*set_radius_acl_expire)(void *priv, const u8 *mac);
211 int (*set_ht_params)(const char *ifname, void *priv,
212 const u8 *ht_capab, size_t ht_capab_len,
213 const u8 *ht_oper, size_t ht_oper_len);
215 int (*set_wps_beacon_ie)(const char *ifname, void *priv,
216 const u8 *ie, size_t len);
217 int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
218 const u8 *ie, size_t len);
220 const struct hostapd_neighbor_bss *
221 (*get_neighbor_bss)(void *priv, size_t *num);
224 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
226 void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
227 const u8 *buf, size_t len, int ack);
228 void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
229 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
230 const u8 *ie, size_t ielen);
231 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
232 void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
233 const u8 *buf, size_t len);
235 struct hostapd_frame_info {
241 unsigned int passive_scan:1;
244 void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
245 u16 stype, struct hostapd_frame_info *fi);
246 void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
248 void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
250 #endif /* DRIVER_H */