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.
16 #ifndef HOSTAPD_DRIVER_H
17 #define HOSTAPD_DRIVER_H
20 #include "sta_flags.h"
24 struct hostap_sta_driver_data {
25 unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
26 unsigned long current_tx_rate;
27 unsigned long inactive_msec;
29 unsigned long num_ps_buf_frames;
30 unsigned long tx_retry_failed;
31 unsigned long tx_retry_count;
36 struct hostapd_sta_add_params {
41 size_t supp_rates_len;
44 const struct ht_cap_ie *ht_capabilities;
47 struct hostapd_freq_params {
52 int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
53 * secondary channel below primary, 1 = HT40
54 * enabled, secondary channel above primary */
57 enum hostapd_driver_if_type {
58 HOSTAPD_IF_VLAN, HOSTAPD_IF_WDS
61 struct hostapd_neighbor_bss {
66 int sec_chan; /* 0 for 20 MHz channels */
69 struct hapd_driver_ops {
70 const char *name; /* as appears in the config file */
72 void * (*init)(struct hostapd_data *hapd);
73 void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
74 void (*deinit)(void *priv);
77 * set_8021x - enable/disable IEEE 802.1X support
78 * @ifname: Interface name (for multi-SSID/VLAN support)
79 * @priv: driver private data
80 * @enabled: 1 = enable, 0 = disable
82 * Returns: 0 on success, -1 on failure
84 * Configure the kernel driver to enable/disable 802.1X support.
85 * This may be an empty function if 802.1X support is always enabled.
87 int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
90 * set_privacy - enable/disable privacy
91 * @priv: driver private data
92 * @enabled: 1 = privacy enabled, 0 = disabled
94 * Return: 0 on success, -1 on failure
98 int (*set_privacy)(const char *ifname, void *priv, int enabled);
100 int (*set_key)(const char *ifname, void *priv, wpa_alg alg,
101 const u8 *addr, int key_idx, int set_tx, const u8 *seq,
102 size_t seq_len, const u8 *key, size_t key_len);
103 int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
105 int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
107 int (*flush)(void *priv);
108 int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
111 int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
113 int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
114 size_t data_len, int encrypt, const u8 *own_addr);
115 int (*sta_deauth)(void *priv, const u8 *addr, int reason);
116 int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
117 int (*sta_remove)(void *priv, const u8 *addr);
118 int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
119 int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
121 int (*set_countermeasures)(void *priv, int enabled);
122 int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
124 int (*sta_add)(const char *ifname, void *priv,
125 struct hostapd_sta_add_params *params);
126 int (*get_inact_sec)(void *priv, const u8 *addr);
127 int (*sta_clear_stats)(void *priv, const u8 *addr);
129 int (*set_freq)(void *priv, struct hostapd_freq_params *freq);
130 int (*set_rts)(void *priv, int rts);
131 int (*get_rts)(void *priv, int *rts);
132 int (*set_frag)(void *priv, int frag);
133 int (*get_frag)(void *priv, int *frag);
134 int (*set_retry)(void *priv, int short_retry, int long_retry);
135 int (*get_retry)(void *priv, int *short_retry, int *long_retry);
137 int (*sta_set_flags)(void *priv, const u8 *addr,
138 int total_flags, int flags_or, int flags_and);
139 int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
141 int (*set_country)(void *priv, const char *country);
142 int (*set_ieee80211d)(void *priv, int enabled);
143 int (*set_beacon)(const char *ifname, void *priv,
144 const u8 *head, size_t head_len,
145 const u8 *tail, size_t tail_len, int dtim_period);
147 /* Configure internal bridge:
148 * 0 = disabled, i.e., client separation is enabled (no bridging of
149 * packets between associated STAs
150 * 1 = enabled, i.e., bridge packets between associated STAs (default)
152 int (*set_internal_bridge)(void *priv, int value);
153 int (*set_beacon_int)(void *priv, int value);
154 /* Configure broadcast SSID mode:
155 * 0 = include SSID in Beacon frames and reply to Probe Request frames
156 * that use broadcast SSID
157 * 1 = hide SSID from Beacon frames and ignore Probe Request frames for
160 int (*set_broadcast_ssid)(void *priv, int value);
161 int (*set_cts_protect)(void *priv, int value);
162 int (*set_key_tx_rx_threshold)(void *priv, int value);
163 int (*set_preamble)(void *priv, int value);
164 int (*set_short_slot_time)(void *priv, int value);
165 int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
166 int cw_max, int burst_time);
167 int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
168 int (*bss_remove)(void *priv, const char *ifname);
169 int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
170 int (*passive_scan)(void *priv, int now, int our_mode_only,
171 int interval, int _listen, int *channel,
173 struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
176 int (*if_add)(const char *iface, void *priv,
177 enum hostapd_driver_if_type type, char *ifname,
179 int (*if_update)(void *priv, enum hostapd_driver_if_type type,
180 char *ifname, const u8 *addr);
181 int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
182 const char *ifname, const u8 *addr);
183 int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
186 * commit - Optional commit changes handler
187 * @priv: driver private data
188 * Returns: 0 on success, -1 on failure
190 * This optional handler function can be registered if the driver
191 * interface implementation needs to commit changes (e.g., by setting
192 * network interface up) at the end of initial configuration. If set,
193 * this handler will be called after initial setup has been completed.
195 int (*commit)(void *priv);
197 int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
198 const u8 *data, size_t data_len);
200 int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
201 u32 session_timeout);
202 int (*set_radius_acl_expire)(void *priv, const u8 *mac);
204 int (*set_ht_params)(const char *ifname, void *priv,
205 const u8 *ht_capab, size_t ht_capab_len,
206 const u8 *ht_oper, size_t ht_oper_len);
208 int (*set_wps_beacon_ie)(const char *ifname, void *priv,
209 const u8 *ie, size_t len);
210 int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
211 const u8 *ie, size_t len);
213 const struct hostapd_neighbor_bss *
214 (*get_neighbor_bss)(void *priv, size_t *num);
219 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
221 void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
222 const u8 *buf, size_t len, int ack);
223 void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
224 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
225 const u8 *ie, size_t ielen);
226 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
227 void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
228 const u8 *buf, size_t len);
230 struct hostapd_frame_info {
236 unsigned int passive_scan:1;
239 void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
240 u16 stype, struct hostapd_frame_info *fi);
241 void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
243 void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
245 #endif /* HOSTAPD_DRIVER_H */