2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2014, 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 "utils/list.h"
14 #include "ap_config.h"
15 #include "drivers/driver.h"
18 struct radius_server_data;
19 struct upnp_wps_device_sm;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 #endif /* CONFIG_MESH */
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);
44 struct wpa_ctrl_dst *global_ctrl_dst;
45 char *global_iface_path;
46 char *global_iface_name;
47 #ifndef CONFIG_NATIVE_WINDOWS
48 gid_t ctrl_iface_group;
49 #endif /* CONFIG_NATIVE_WINDOWS */
50 struct hostapd_iface **iface;
52 size_t terminate_on_error;
53 #ifndef CONFIG_NO_VLAN
54 struct dynamic_iface *vlan_priv;
55 #endif /* CONFIG_NO_VLAN */
58 enum hostapd_chan_status {
59 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
60 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
61 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
64 struct hostapd_probereq_cb {
65 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
66 const u8 *ie, size_t ie_len, int ssi_signal);
70 #define HOSTAPD_RATE_BASIC 0x00000001
72 struct hostapd_rate_data {
73 int rate; /* rate in 100 kbps */
74 int flags; /* HOSTAPD_RATE_ flags */
77 struct hostapd_frame_info {
80 int ssi_signal; /* dBm */
84 WPS_STATUS_SUCCESS = 1,
89 WPS_PBC_STATUS_DISABLE,
90 WPS_PBC_STATUS_ACTIVE,
91 WPS_PBC_STATUS_TIMEOUT,
92 WPS_PBC_STATUS_OVERLAP
96 enum wps_status status;
97 enum wps_error_indication failure_reason;
98 enum pbc_status pbc_status;
99 u8 peer_addr[ETH_ALEN];
104 * struct hostapd_data - hostapd per-BSS data structure
106 struct hostapd_data {
107 struct hostapd_iface *iface;
108 struct hostapd_config *iconf;
109 struct hostapd_bss_config *conf;
110 int interface_added; /* virtual interface added for this BSS */
111 unsigned int started:1;
112 unsigned int disabled:1;
113 unsigned int reenable_beacon:1;
115 u8 own_addr[ETH_ALEN];
117 int num_sta; /* number of entries in sta_list */
118 struct sta_info *sta_list; /* STA info list head */
119 #define STA_HASH_SIZE 256
120 #define STA_HASH(sta) (sta[5])
121 struct sta_info *sta_hash[STA_HASH_SIZE];
124 * Bitfield for indicating which AIDs are allocated. Only AID values
125 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
128 #define AID_WORDS ((2008 + 31) / 32)
129 u32 sta_aid[AID_WORDS];
131 const struct wpa_driver_ops *driver;
134 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
135 struct sta_info *sta, int reassoc);
137 void *msg_ctx; /* ctx for wpa_msg() calls */
138 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
140 struct radius_client_data *radius;
141 struct radius_das_data *radius_das;
143 struct iapp_data *iapp;
145 struct hostapd_cached_radius_acl *acl_cache;
146 struct hostapd_acl_query_data *acl_queries;
148 struct wpa_authenticator *wpa_auth;
149 struct eapol_authenticator *eapol_auth;
151 struct rsn_preauth_interface *preauth_iface;
152 struct os_reltime michael_mic_failure;
153 int michael_mic_failures;
154 int tkip_countermeasures;
157 struct wpa_ctrl_dst *ctrl_dst;
160 void *eap_sim_db_priv;
161 struct radius_server_data *radius_srv;
162 struct dl_list erp_keys; /* struct eap_server_erp_key */
164 int parameter_set_count;
166 /* Time Advertisement */
167 u8 time_update_counter;
168 struct wpabuf *time_adv;
170 #ifdef CONFIG_FULL_DYNAMIC_VLAN
171 struct full_dynamic_vlan *full_dynamic_vlan;
172 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
174 struct l2_packet_data *l2;
175 struct wps_context *wps;
178 struct wpabuf *wps_beacon_ie;
179 struct wpabuf *wps_probe_resp_ie;
181 unsigned int ap_pin_failures;
182 unsigned int ap_pin_failures_consecutive;
183 struct upnp_wps_device_sm *wps_upnp;
184 unsigned int ap_pin_lockout_time;
186 struct wps_stat wps_stats;
187 #endif /* CONFIG_WPS */
189 struct hostapd_probereq_cb *probereq_cb;
190 size_t num_probereq_cb;
192 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
194 void *public_action_cb_ctx;
195 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
197 void *public_action_cb2_ctx;
199 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
201 void *vendor_action_cb_ctx;
203 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
205 void *wps_reg_success_cb_ctx;
207 void (*wps_event_cb)(void *ctx, enum wps_event event,
208 union wps_event_data *data);
209 void *wps_event_cb_ctx;
211 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
212 int authorized, const u8 *p2p_dev_addr);
213 void *sta_authorized_cb_ctx;
215 void (*setup_complete_cb)(void *ctx);
216 void *setup_complete_cb_ctx;
218 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
219 const u8 *p2p_dev_addr, const u8 *psk,
221 void *new_psk_cb_ctx;
223 /* channel switch parameters */
224 struct hostapd_freq_params cs_freq_params;
227 unsigned int cs_c_off_beacon;
228 unsigned int cs_c_off_proberesp;
230 unsigned int cs_c_off_ecsa_beacon;
231 unsigned int cs_c_off_ecsa_proberesp;
234 unsigned int bss_load_update_timeout;
237 struct p2p_data *p2p;
238 struct p2p_group *p2p_group;
239 struct wpabuf *p2p_beacon_ie;
240 struct wpabuf *p2p_probe_resp_ie;
242 /* Number of non-P2P association stations */
245 /* Periodic NoA (used only when no non-P2P clients in the group) */
249 #endif /* CONFIG_P2P */
250 #ifdef CONFIG_INTERWORKING
251 size_t gas_frag_limit;
252 #endif /* CONFIG_INTERWORKING */
253 #ifdef CONFIG_PROXYARP
254 struct l2_packet_data *sock_dhcp;
255 struct l2_packet_data *sock_ndisc;
256 #endif /* CONFIG_PROXYARP */
260 void (*mesh_sta_free_cb)(struct sta_info *sta);
261 struct wpabuf *mesh_pending_auth;
262 struct os_reltime mesh_pending_auth_time;
263 #endif /* CONFIG_MESH */
266 struct hostapd_eap_user tmp_eap_user;
267 #endif /* CONFIG_SQLITE */
270 /** Key used for generating SAE anti-clogging tokens */
272 struct os_reltime last_sae_token_key_update;
273 int dot11RSNASAERetransPeriod; /* msec */
274 #endif /* CONFIG_SAE */
276 #ifdef CONFIG_TESTING_OPTIONS
277 unsigned int ext_mgmt_frame_handling:1;
278 unsigned int ext_eapol_frame_io:1;
280 struct l2_packet_data *l2_test;
281 #endif /* CONFIG_TESTING_OPTIONS */
285 struct hostapd_sta_info {
288 struct os_reltime last_seen;
292 * struct hostapd_iface - hostapd per-interface data structure
294 struct hostapd_iface {
295 struct hapd_interfaces *interfaces;
298 struct hostapd_config *conf;
299 char phy[16]; /* Name of the PHY (radio) */
301 enum hostapd_iface_state {
302 HAPD_IFACE_UNINITIALIZED,
304 HAPD_IFACE_COUNTRY_UPDATE,
312 struct mesh_conf *mconf;
313 #endif /* CONFIG_MESH */
316 struct hostapd_data **bss;
318 unsigned int wait_channel_update:1;
319 unsigned int cac_started:1;
321 struct fst_iface *fst;
322 const struct wpabuf *fst_ies;
323 #endif /* CONFIG_FST */
326 * When set, indicates that the driver will handle the AP
327 * teardown: delete global keys, station keys, and stations.
329 unsigned int driver_ap_teardown:1;
332 * When set, indicates that this interface is part of list of
333 * interfaces that need to be started together (synchronously).
335 unsigned int need_to_start_in_sync:1;
337 /* Ready to start but waiting for other interfaces to become ready. */
338 unsigned int ready_to_start_in_sync:1;
340 int num_ap; /* number of entries in ap_list */
341 struct ap_info *ap_list; /* AP info list head */
342 struct ap_info *ap_hash[STA_HASH_SIZE];
346 /* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
347 unsigned int smps_modes;
350 * A bitmap of supported protocols for probe response offload. See
351 * struct wpa_driver_capa in driver.h
353 unsigned int probe_resp_offloads;
355 /* extended capabilities supported by the driver */
356 const u8 *extended_capa, *extended_capa_mask;
357 unsigned int extended_capa_len;
359 unsigned int drv_max_acl_mac_addrs;
361 struct hostapd_hw_modes *hw_features;
363 struct hostapd_hw_modes *current_mode;
364 /* Rates that are currently used (i.e., filtered copy of
365 * current_mode->channels */
367 struct hostapd_rate_data *current_rates;
373 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
377 /* Number of associated stations that do not support Short Slot Time */
378 int num_sta_no_short_slot_time;
380 /* Number of associated stations that do not support Short Preamble */
381 int num_sta_no_short_preamble;
383 int olbc; /* Overlapping Legacy BSS Condition */
385 /* Number of HT associated stations that do not support greenfield */
386 int num_sta_ht_no_gf;
388 /* Number of associated non-HT stations */
391 /* Number of HT associated stations 20 MHz */
392 int num_sta_ht_20mhz;
394 /* Number of HT40 intolerant stations */
395 int num_sta_ht40_intolerant;
397 /* Overlapping BSS information */
402 /* surveying helpers */
404 /* number of channels surveyed */
405 unsigned int chans_surveyed;
407 /* lowest observed noise floor in dBm */
410 /* channel utilization calculation */
411 u64 last_channel_time;
412 u64 last_channel_time_busy;
413 u8 channel_utilization;
415 /* eCSA IE will be added only if operating class is specified */
418 unsigned int dfs_cac_ms;
419 struct os_reltime dfs_cac_start;
421 /* Latched with the actual secondary channel information and will be
422 * used while juggling between HT20 and HT40 modes. */
426 unsigned int acs_num_completed_scans;
427 #endif /* CONFIG_ACS */
429 void (*scan_cb)(struct hostapd_iface *iface);
430 int num_ht40_scan_tries;
432 struct dl_list sta_seen; /* struct hostapd_sta_info */
433 unsigned int num_sta_seen;
437 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
438 int (*cb)(struct hostapd_iface *iface,
439 void *ctx), void *ctx);
440 int hostapd_reload_config(struct hostapd_iface *iface);
441 struct hostapd_data *
442 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
443 struct hostapd_config *conf,
444 struct hostapd_bss_config *bss);
445 int hostapd_setup_interface(struct hostapd_iface *iface);
446 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
447 void hostapd_interface_deinit(struct hostapd_iface *iface);
448 void hostapd_interface_free(struct hostapd_iface *iface);
449 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
450 const char *config_file);
451 struct hostapd_iface *
452 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
453 const char *config_fname, int debug);
454 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
456 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
457 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
458 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
459 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
460 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
461 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
462 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
463 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
464 const char * hostapd_state_text(enum hostapd_iface_state s);
465 int hostapd_csa_in_progress(struct hostapd_iface *iface);
466 int hostapd_switch_channel(struct hostapd_data *hapd,
467 struct csa_settings *settings);
469 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
470 const struct hostapd_freq_params *freq_params);
471 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
472 void hostapd_periodic_iface(struct hostapd_iface *iface);
475 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
476 int (*cb)(void *ctx, const u8 *sa,
477 const u8 *da, const u8 *bssid,
478 const u8 *ie, size_t ie_len,
481 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
483 /* drv_callbacks.c (TODO: move to somewhere else?) */
484 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
485 const u8 *ie, size_t ielen, int reassoc);
486 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
487 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
488 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
489 const u8 *addr, int reason_code);
490 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
491 const u8 *bssid, const u8 *ie, size_t ie_len,
493 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
494 int offset, int width, int cf1, int cf2);
495 struct survey_results;
496 void hostapd_event_get_survey(struct hostapd_iface *iface,
497 struct survey_results *survey_results);
498 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
499 struct acs_selected_channels *acs_res);
501 const struct hostapd_eap_user *
502 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
503 size_t identity_len, int phase2);
505 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
509 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
510 struct fst_wpa_obj *iface_obj);
511 #endif /* CONFIG_FST */
513 #endif /* HOSTAPD_H */