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 wpa_driver_ops {
58 const char *name; /* as appears in the config file */
60 void * (*init)(struct hostapd_data *hapd);
61 void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
62 void (*deinit)(void *priv);
64 int (*wireless_event_init)(void *priv);
65 void (*wireless_event_deinit)(void *priv);
68 * set_8021x - enable/disable IEEE 802.1X support
69 * @ifname: Interface name (for multi-SSID/VLAN support)
70 * @priv: driver private data
71 * @enabled: 1 = enable, 0 = disable
73 * Returns: 0 on success, -1 on failure
75 * Configure the kernel driver to enable/disable 802.1X support.
76 * This may be an empty function if 802.1X support is always enabled.
78 int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
81 * set_privacy - enable/disable privacy
82 * @priv: driver private data
83 * @enabled: 1 = privacy enabled, 0 = disabled
85 * Return: 0 on success, -1 on failure
89 int (*set_privacy)(const char *ifname, void *priv, int enabled);
91 int (*set_encryption)(const char *ifname, void *priv, const char *alg,
92 const u8 *addr, int idx,
93 const u8 *key, size_t key_len, int txkey);
94 int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
96 int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
98 int (*flush)(void *priv);
99 int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
102 int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
104 int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
105 size_t data_len, int encrypt, const u8 *own_addr);
106 int (*sta_deauth)(void *priv, const u8 *addr, int reason);
107 int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
108 int (*sta_remove)(void *priv, const u8 *addr);
109 int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
110 int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
112 int (*set_countermeasures)(void *priv, int enabled);
113 int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
115 int (*set_assoc_ap)(void *priv, const u8 *addr);
116 /* note: sta_add() is deprecated; use sta_add2() instead */
117 int (*sta_add)(const char *ifname, void *priv, const u8 *addr, u16 aid,
118 u16 capability, u8 *supp_rates, size_t supp_rates_len,
119 int flags, u16 listen_interval);
120 int (*sta_add2)(const char *ifname, void *priv,
121 struct hostapd_sta_add_params *params);
122 int (*get_inact_sec)(void *priv, const u8 *addr);
123 int (*sta_clear_stats)(void *priv, const u8 *addr);
125 /* note: set_freq() is deprecated; use set_freq2() instead */
126 int (*set_freq)(void *priv, int mode, int freq);
127 int (*set_freq2)(void *priv, struct hostapd_freq_params *freq);
128 int (*set_rts)(void *priv, int rts);
129 int (*get_rts)(void *priv, int *rts);
130 int (*set_frag)(void *priv, int frag);
131 int (*get_frag)(void *priv, int *frag);
132 int (*set_retry)(void *priv, int short_retry, int long_retry);
133 int (*get_retry)(void *priv, int *short_retry, int *long_retry);
135 int (*sta_set_flags)(void *priv, const u8 *addr,
136 int total_flags, int flags_or, int flags_and);
137 int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
139 int (*set_country)(void *priv, const char *country);
140 int (*set_ieee80211d)(void *priv, int enabled);
141 int (*set_beacon)(const char *ifname, void *priv,
142 u8 *head, size_t head_len,
143 u8 *tail, size_t tail_len);
145 /* Configure internal bridge:
146 * 0 = disabled, i.e., client separation is enabled (no bridging of
147 * packets between associated STAs
148 * 1 = enabled, i.e., bridge packets between associated STAs (default)
150 int (*set_internal_bridge)(void *priv, int value);
151 int (*set_beacon_int)(void *priv, int value);
152 int (*set_dtim_period)(const char *ifname, void *priv, int value);
153 /* Configure broadcast SSID mode:
154 * 0 = include SSID in Beacon frames and reply to Probe Request frames
155 * that use broadcast SSID
156 * 1 = hide SSID from Beacon frames and ignore Probe Request frames for
159 int (*set_broadcast_ssid)(void *priv, int value);
160 int (*set_cts_protect)(void *priv, int value);
161 int (*set_key_tx_rx_threshold)(void *priv, int value);
162 int (*set_preamble)(void *priv, int value);
163 int (*set_short_slot_time)(void *priv, int value);
164 int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
165 int cw_max, int burst_time);
166 int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
167 int (*bss_remove)(void *priv, const char *ifname);
168 int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
169 int (*passive_scan)(void *priv, int now, int our_mode_only,
170 int interval, int _listen, int *channel,
172 struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
175 int (*if_add)(const char *iface, void *priv,
176 enum hostapd_driver_if_type type, char *ifname,
178 int (*if_update)(void *priv, enum hostapd_driver_if_type type,
179 char *ifname, const u8 *addr);
180 int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
181 const char *ifname, const u8 *addr);
182 int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
185 * commit - Optional commit changes handler
186 * @priv: driver private data
187 * Returns: 0 on success, -1 on failure
189 * This optional handler function can be registered if the driver
190 * interface implementation needs to commit changes (e.g., by setting
191 * network interface up) at the end of initial configuration. If set,
192 * this handler will be called after initial setup has been completed.
194 int (*commit)(void *priv);
196 int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
197 const u8 *data, size_t data_len);
199 int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
200 u32 session_timeout);
201 int (*set_radius_acl_expire)(void *priv, const u8 *mac);
203 int (*set_ht_params)(const char *ifname, void *priv,
204 const u8 *ht_capab, size_t ht_capab_len,
205 const u8 *ht_oper, size_t ht_oper_len);
207 int (*set_wps_beacon_ie)(const char *ifname, void *priv,
208 const u8 *ie, size_t len);
209 int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
210 const u8 *ie, size_t len);
213 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
215 void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
216 const u8 *buf, size_t len, int ack);
217 void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
218 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
219 const u8 *ie, size_t ielen);
220 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
221 void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
222 const u8 *buf, size_t len);
224 struct hostapd_frame_info {
230 unsigned int passive_scan:1;
233 void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
234 u16 stype, struct hostapd_frame_info *fi);
235 void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
237 void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
239 #endif /* DRIVER_H */