2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/defs.h"
13 #include "ap_config.h"
15 struct wpa_driver_ops;
17 struct radius_server_data;
18 struct upnp_wps_device_sm;
21 struct hostap_sta_driver_data;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 struct hostapd_dynamic_iface;
32 struct hapd_interfaces {
33 int (*reload_config)(struct hostapd_iface *iface);
34 struct hostapd_config * (*config_read_cb)(const char *config_fname);
35 int (*ctrl_iface_init)(struct hostapd_data *hapd);
36 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
37 int (*for_each_interface)(struct hapd_interfaces *interfaces,
38 int (*cb)(struct hostapd_iface *iface,
39 void *ctx), void *ctx);
40 int (*driver_init)(struct hostapd_iface *iface);
45 char *global_iface_path;
46 char *global_iface_name;
47 gid_t ctrl_iface_group;
48 struct hostapd_iface **iface;
49 struct hostapd_dynamic_iface **dynamic_iface;
51 size_t terminate_on_error;
54 enum hostapd_chan_status {
55 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
56 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
57 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
60 struct hostapd_probereq_cb {
61 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
62 const u8 *ie, size_t ie_len, int ssi_signal);
66 #define HOSTAPD_RATE_BASIC 0x00000001
68 struct hostapd_rate_data {
69 int rate; /* rate in 100 kbps */
70 int flags; /* HOSTAPD_RATE_ flags */
73 struct hostapd_frame_info {
76 int ssi_signal; /* dBm */
80 WPS_STATUS_SUCCESS = 1,
85 WPS_PBC_STATUS_DISABLE,
86 WPS_PBC_STATUS_ACTIVE,
87 WPS_PBC_STATUS_TIMEOUT,
88 WPS_PBC_STATUS_OVERLAP
92 enum wps_status status;
93 enum wps_error_indication failure_reason;
94 enum pbc_status pbc_status;
95 u8 peer_addr[ETH_ALEN];
100 * struct hostapd_data - hostapd per-BSS data structure
102 struct hostapd_data {
103 struct hostapd_iface *iface;
104 struct hostapd_config *iconf;
105 struct hostapd_bss_config *conf;
106 int interface_added; /* virtual interface added for this BSS */
107 unsigned int started:1;
109 u8 own_addr[ETH_ALEN];
111 int num_sta; /* number of entries in sta_list */
112 struct sta_info *sta_list; /* STA info list head */
113 #define STA_HASH_SIZE 256
114 #define STA_HASH(sta) (sta[5])
115 struct sta_info *sta_hash[STA_HASH_SIZE];
118 * Bitfield for indicating which AIDs are allocated. Only AID values
119 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
122 #define AID_WORDS ((2008 + 31) / 32)
123 u32 sta_aid[AID_WORDS];
125 const struct wpa_driver_ops *driver;
128 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
129 struct sta_info *sta, int reassoc);
131 void *msg_ctx; /* ctx for wpa_msg() calls */
132 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
134 struct radius_client_data *radius;
135 u32 acct_session_id_hi, acct_session_id_lo;
136 struct radius_das_data *radius_das;
138 struct iapp_data *iapp;
140 struct hostapd_cached_radius_acl *acl_cache;
141 struct hostapd_acl_query_data *acl_queries;
143 struct wpa_authenticator *wpa_auth;
144 struct eapol_authenticator *eapol_auth;
146 struct rsn_preauth_interface *preauth_iface;
147 time_t michael_mic_failure;
148 int michael_mic_failures;
149 int tkip_countermeasures;
152 struct wpa_ctrl_dst *ctrl_dst;
155 void *eap_sim_db_priv;
156 struct radius_server_data *radius_srv;
158 int parameter_set_count;
160 /* Time Advertisement */
161 u8 time_update_counter;
162 struct wpabuf *time_adv;
164 #ifdef CONFIG_FULL_DYNAMIC_VLAN
165 struct full_dynamic_vlan *full_dynamic_vlan;
166 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
168 struct l2_packet_data *l2;
169 struct wps_context *wps;
172 struct wpabuf *wps_beacon_ie;
173 struct wpabuf *wps_probe_resp_ie;
175 unsigned int ap_pin_failures;
176 unsigned int ap_pin_failures_consecutive;
177 struct upnp_wps_device_sm *wps_upnp;
178 unsigned int ap_pin_lockout_time;
180 struct wps_stat wps_stats;
181 #endif /* CONFIG_WPS */
183 struct hostapd_probereq_cb *probereq_cb;
184 size_t num_probereq_cb;
186 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
188 void *public_action_cb_ctx;
189 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
191 void *public_action_cb2_ctx;
193 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
195 void *vendor_action_cb_ctx;
197 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
199 void *wps_reg_success_cb_ctx;
201 void (*wps_event_cb)(void *ctx, enum wps_event event,
202 union wps_event_data *data);
203 void *wps_event_cb_ctx;
205 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
206 int authorized, const u8 *p2p_dev_addr);
207 void *sta_authorized_cb_ctx;
209 void (*setup_complete_cb)(void *ctx);
210 void *setup_complete_cb_ctx;
212 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
213 const u8 *p2p_dev_addr, const u8 *psk,
215 void *new_psk_cb_ctx;
218 struct p2p_data *p2p;
219 struct p2p_group *p2p_group;
220 struct wpabuf *p2p_beacon_ie;
221 struct wpabuf *p2p_probe_resp_ie;
223 /* Number of non-P2P association stations */
226 /* Periodic NoA (used only when no non-P2P clients in the group) */
230 #endif /* CONFIG_P2P */
231 #ifdef CONFIG_INTERWORKING
232 size_t gas_frag_limit;
233 #endif /* CONFIG_INTERWORKING */
236 struct hostapd_eap_user tmp_eap_user;
237 #endif /* CONFIG_SQLITE */
240 /** Key used for generating SAE anti-clogging tokens */
242 os_time_t last_sae_token_key_update;
243 #endif /* CONFIG_SAE */
248 * struct hostapd_iface - hostapd per-interface data structure
250 struct hostapd_iface {
251 struct hapd_interfaces *interfaces;
254 struct hostapd_config *conf;
255 char phy[16]; /* Name of the PHY (radio) */
257 enum hostapd_iface_state {
258 HAPD_IFACE_UNINITIALIZED,
260 HAPD_IFACE_COUNTRY_UPDATE,
268 struct hostapd_data **bss;
270 unsigned int wait_channel_update:1;
271 unsigned int cac_started:1;
273 int num_ap; /* number of entries in ap_list */
274 struct ap_info *ap_list; /* AP info list head */
275 struct ap_info *ap_hash[STA_HASH_SIZE];
277 unsigned int drv_flags;
280 * A bitmap of supported protocols for probe response offload. See
281 * struct wpa_driver_capa in driver.h
283 unsigned int probe_resp_offloads;
285 /* extended capabilities supported by the driver */
286 const u8 *extended_capa, *extended_capa_mask;
287 unsigned int extended_capa_len;
289 unsigned int drv_max_acl_mac_addrs;
291 struct hostapd_hw_modes *hw_features;
293 struct hostapd_hw_modes *current_mode;
294 /* Rates that are currently used (i.e., filtered copy of
295 * current_mode->channels */
297 struct hostapd_rate_data *current_rates;
303 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
307 /* Number of associated stations that do not support Short Slot Time */
308 int num_sta_no_short_slot_time;
310 /* Number of associated stations that do not support Short Preamble */
311 int num_sta_no_short_preamble;
313 int olbc; /* Overlapping Legacy BSS Condition */
315 /* Number of HT associated stations that do not support greenfield */
316 int num_sta_ht_no_gf;
318 /* Number of associated non-HT stations */
321 /* Number of HT associated stations 20 MHz */
322 int num_sta_ht_20mhz;
324 /* Overlapping BSS information */
329 /* surveying helpers */
331 /* number of channels surveyed */
332 unsigned int chans_surveyed;
334 /* lowest observed noise floor in dBm */
337 /* channel switch parameters */
341 unsigned int cs_c_off_beacon;
342 unsigned int cs_c_off_proberesp;
346 unsigned int acs_num_completed_scans;
347 #endif /* CONFIG_ACS */
349 void (*scan_cb)(struct hostapd_iface *iface);
353 * struct hostapd_dynamic_iface - hostapd per dynamically allocated
354 * or added interface data structure
356 struct hostapd_dynamic_iface {
357 char parent[IFNAMSIZ + 1];
358 char iface[IFNAMSIZ + 1];
363 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
364 int (*cb)(struct hostapd_iface *iface,
365 void *ctx), void *ctx);
366 int hostapd_reload_config(struct hostapd_iface *iface);
367 struct hostapd_data *
368 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
369 struct hostapd_config *conf,
370 struct hostapd_bss_config *bss);
371 int hostapd_setup_interface(struct hostapd_iface *iface);
372 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
373 void hostapd_interface_deinit(struct hostapd_iface *iface);
374 void hostapd_interface_free(struct hostapd_iface *iface);
375 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
376 const char *config_file);
377 struct hostapd_iface *
378 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
379 const char *config_fname, int debug);
380 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
382 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
383 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
384 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
385 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
386 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
387 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
388 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
389 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
390 const char * hostapd_state_text(enum hostapd_iface_state s);
391 int hostapd_switch_channel(struct hostapd_data *hapd,
392 struct csa_settings *settings);
393 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
396 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
397 int (*cb)(void *ctx, const u8 *sa,
398 const u8 *da, const u8 *bssid,
399 const u8 *ie, size_t ie_len,
402 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
404 /* drv_callbacks.c (TODO: move to somewhere else?) */
405 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
406 const u8 *ie, size_t ielen, int reassoc);
407 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
408 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
409 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
410 const u8 *addr, int reason_code);
411 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
412 const u8 *bssid, const u8 *ie, size_t ie_len,
414 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
417 const struct hostapd_eap_user *
418 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
419 size_t identity_len, int phase2);
421 #endif /* HOSTAPD_H */