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1 /*
2  * hostapd / Initialization and configuration
3  * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef HOSTAPD_H
10 #define HOSTAPD_H
11 
12 #ifdef CONFIG_SQLITE
13 #include <sqlite3.h>
14 #endif /* CONFIG_SQLITE */
15 
16 #include "common/defs.h"
17 #include "common/dpp.h"
18 #include "utils/list.h"
19 #include "ap_config.h"
20 #include "drivers/driver.h"
21 
22 #define OCE_STA_CFON_ENABLED(hapd) \
23 	((hapd->conf->oce & OCE_STA_CFON) && \
24 	 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_STA_CFON))
25 #define OCE_AP_ENABLED(hapd) \
26 	((hapd->conf->oce & OCE_AP) && \
27 	 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_AP))
28 
29 struct wpa_ctrl_dst;
30 struct radius_server_data;
31 struct upnp_wps_device_sm;
32 struct hostapd_data;
33 struct sta_info;
34 struct ieee80211_ht_capabilities;
35 struct full_dynamic_vlan;
36 enum wps_event;
37 union wps_event_data;
38 #ifdef CONFIG_MESH
39 struct mesh_conf;
40 #endif /* CONFIG_MESH */
41 
42 #ifdef CONFIG_CTRL_IFACE_UDP
43 #define CTRL_IFACE_COOKIE_LEN 8
44 #endif /* CONFIG_CTRL_IFACE_UDP */
45 
46 struct hostapd_iface;
47 
48 struct hapd_interfaces {
49 	int (*reload_config)(struct hostapd_iface *iface);
50 	struct hostapd_config * (*config_read_cb)(const char *config_fname);
51 	int (*ctrl_iface_init)(struct hostapd_data *hapd);
52 	void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
53 	int (*for_each_interface)(struct hapd_interfaces *interfaces,
54 				  int (*cb)(struct hostapd_iface *iface,
55 					    void *ctx), void *ctx);
56 	int (*driver_init)(struct hostapd_iface *iface);
57 
58 	size_t count;
59 	int global_ctrl_sock;
60 	struct dl_list global_ctrl_dst;
61 	char *global_iface_path;
62 	char *global_iface_name;
63 #ifndef CONFIG_NATIVE_WINDOWS
64 	gid_t ctrl_iface_group;
65 #endif /* CONFIG_NATIVE_WINDOWS */
66 	struct hostapd_iface **iface;
67 
68 	size_t terminate_on_error;
69 #ifndef CONFIG_NO_VLAN
70 	struct dynamic_iface *vlan_priv;
71 #endif /* CONFIG_NO_VLAN */
72 #ifdef CONFIG_ETH_P_OUI
73 	struct dl_list eth_p_oui; /* OUI Extended EtherType handlers */
74 #endif /* CONFIG_ETH_P_OUI */
75 	int eloop_initialized;
76 
77 #ifdef CONFIG_DPP
78 	struct dpp_global *dpp;
79 #ifdef CONFIG_DPP3
80 	struct os_reltime dpp_pb_time;
81 	struct os_reltime dpp_pb_announce_time;
82 	struct dpp_pb_info dpp_pb[DPP_PB_INFO_COUNT];
83 	struct dpp_bootstrap_info *dpp_pb_bi;
84 	u8 dpp_pb_c_nonce[DPP_MAX_NONCE_LEN];
85 	u8 dpp_pb_resp_hash[SHA256_MAC_LEN];
86 	struct os_reltime dpp_pb_last_resp;
87 	bool dpp_pb_result_indicated;
88 	char *dpp_pb_cmd;
89 #endif /* CONFIG_DPP3 */
90 #endif /* CONFIG_DPP */
91 
92 #ifdef CONFIG_CTRL_IFACE_UDP
93        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
94 #endif /* CONFIG_CTRL_IFACE_UDP */
95 
96 };
97 
98 enum hostapd_chan_status {
99 	HOSTAPD_CHAN_VALID = 0, /* channel is ready */
100 	HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
101 	HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
102 	HOSTAPD_CHAN_INVALID_NO_IR = 3, /* channel invalid due to AFC NO IR */
103 };
104 
105 struct hostapd_probereq_cb {
106 	int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
107 		  const u8 *ie, size_t ie_len, int ssi_signal);
108 	void *ctx;
109 };
110 
111 #define HOSTAPD_RATE_BASIC 0x00000001
112 
113 struct hostapd_rate_data {
114 	int rate; /* rate in 100 kbps */
115 	int flags; /* HOSTAPD_RATE_ flags */
116 };
117 
118 struct hostapd_frame_info {
119 	unsigned int freq;
120 	u32 channel;
121 	u32 datarate;
122 	int ssi_signal; /* dBm */
123 };
124 
125 enum wps_status {
126 	WPS_STATUS_SUCCESS = 1,
127 	WPS_STATUS_FAILURE
128 };
129 
130 enum pbc_status {
131 	WPS_PBC_STATUS_DISABLE,
132 	WPS_PBC_STATUS_ACTIVE,
133 	WPS_PBC_STATUS_TIMEOUT,
134 	WPS_PBC_STATUS_OVERLAP
135 };
136 
137 struct wps_stat {
138 	enum wps_status status;
139 	enum wps_error_indication failure_reason;
140 	enum pbc_status pbc_status;
141 	u8 peer_addr[ETH_ALEN];
142 };
143 
144 struct hostapd_neighbor_entry {
145 	struct dl_list list;
146 	u8 bssid[ETH_ALEN];
147 	struct wpa_ssid_value ssid;
148 	struct wpabuf *nr;
149 	struct wpabuf *lci;
150 	struct wpabuf *civic;
151 	/* LCI update time */
152 	struct os_time lci_date;
153 	int stationary;
154 	u32 short_ssid;
155 	u8 bss_parameters;
156 };
157 
158 struct hostapd_sae_commit_queue {
159 	struct dl_list list;
160 	int rssi;
161 	size_t len;
162 	u8 msg[];
163 };
164 
165 /**
166  * struct hostapd_data - hostapd per-BSS data structure
167  */
168 struct hostapd_data {
169 	struct hostapd_iface *iface;
170 	struct hostapd_config *iconf;
171 	struct hostapd_bss_config *conf;
172 	int interface_added; /* virtual interface added for this BSS */
173 	unsigned int started:1;
174 	unsigned int disabled:1;
175 	unsigned int reenable_beacon:1;
176 
177 	u8 own_addr[ETH_ALEN];
178 	u8 mld_addr[ETH_ALEN];
179 	u8 mld_link_id;
180 	/* Used for mld_link_id assignment - valid on the first MLD BSS only */
181 	u8 mld_next_link_id;
182 
183 	struct hostapd_data *mld_first_bss;
184 
185 	int num_sta; /* number of entries in sta_list */
186 	struct sta_info *sta_list; /* STA info list head */
187 #define STA_HASH_SIZE 256
188 #define STA_HASH(sta) (sta[5])
189 	struct sta_info *sta_hash[STA_HASH_SIZE];
190 
191 	/*
192 	 * Bitfield for indicating which AIDs are allocated. Only AID values
193 	 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
194 	 * 1.
195 	 */
196 #define AID_WORDS ((2008 + 31) / 32)
197 	u32 sta_aid[AID_WORDS];
198 
199 	const struct wpa_driver_ops *driver;
200 	void *drv_priv;
201 
202 	void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
203 				 struct sta_info *sta, int reassoc);
204 
205 	void *msg_ctx; /* ctx for wpa_msg() calls */
206 	void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
207 
208 	struct radius_client_data *radius;
209 	u64 acct_session_id;
210 	struct radius_das_data *radius_das;
211 
212 	struct hostapd_cached_radius_acl *acl_cache;
213 	struct hostapd_acl_query_data *acl_queries;
214 
215 	struct wpa_authenticator *wpa_auth;
216 	struct eapol_authenticator *eapol_auth;
217 	struct eap_config *eap_cfg;
218 
219 	struct rsn_preauth_interface *preauth_iface;
220 	struct os_reltime michael_mic_failure;
221 	int michael_mic_failures;
222 	int tkip_countermeasures;
223 
224 	int ctrl_sock;
225 	struct dl_list ctrl_dst;
226 
227 	void *ssl_ctx;
228 	void *eap_sim_db_priv;
229 	struct crypto_rsa_key *imsi_privacy_key;
230 	struct radius_server_data *radius_srv;
231 	struct dl_list erp_keys; /* struct eap_server_erp_key */
232 
233 	int parameter_set_count;
234 
235 	/* Time Advertisement */
236 	u8 time_update_counter;
237 	struct wpabuf *time_adv;
238 
239 #ifdef CONFIG_FULL_DYNAMIC_VLAN
240 	struct full_dynamic_vlan *full_dynamic_vlan;
241 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
242 
243 	struct l2_packet_data *l2;
244 
245 #ifdef CONFIG_IEEE80211R_AP
246 	struct dl_list l2_queue;
247 	struct dl_list l2_oui_queue;
248 	struct eth_p_oui_ctx *oui_pull;
249 	struct eth_p_oui_ctx *oui_resp;
250 	struct eth_p_oui_ctx *oui_push;
251 	struct eth_p_oui_ctx *oui_sreq;
252 	struct eth_p_oui_ctx *oui_sresp;
253 #endif /* CONFIG_IEEE80211R_AP */
254 
255 	struct wps_context *wps;
256 
257 	int beacon_set_done;
258 	struct wpabuf *wps_beacon_ie;
259 	struct wpabuf *wps_probe_resp_ie;
260 #ifdef CONFIG_WPS
261 	unsigned int ap_pin_failures;
262 	unsigned int ap_pin_failures_consecutive;
263 	struct upnp_wps_device_sm *wps_upnp;
264 	unsigned int ap_pin_lockout_time;
265 
266 	struct wps_stat wps_stats;
267 #endif /* CONFIG_WPS */
268 
269 #ifdef CONFIG_MACSEC
270 	struct ieee802_1x_kay *kay;
271 #endif /* CONFIG_MACSEC */
272 
273 	struct hostapd_probereq_cb *probereq_cb;
274 	size_t num_probereq_cb;
275 
276 	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
277 				 int freq);
278 	void *public_action_cb_ctx;
279 	void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
280 				  int freq);
281 	void *public_action_cb2_ctx;
282 
283 	int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
284 				int freq);
285 	void *vendor_action_cb_ctx;
286 
287 	void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
288 				   const u8 *uuid_e);
289 	void *wps_reg_success_cb_ctx;
290 
291 	void (*wps_event_cb)(void *ctx, enum wps_event event,
292 			     union wps_event_data *data);
293 	void *wps_event_cb_ctx;
294 
295 	void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
296 				  int authorized, const u8 *p2p_dev_addr,
297 				  const u8 *ip);
298 	void *sta_authorized_cb_ctx;
299 
300 	void (*setup_complete_cb)(void *ctx);
301 	void *setup_complete_cb_ctx;
302 
303 	void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
304 			   const u8 *p2p_dev_addr, const u8 *psk,
305 			   size_t psk_len);
306 	void *new_psk_cb_ctx;
307 
308 	/* channel switch parameters */
309 	struct hostapd_freq_params cs_freq_params;
310 	u8 cs_count;
311 	int cs_block_tx;
312 	unsigned int cs_c_off_beacon;
313 	unsigned int cs_c_off_proberesp;
314 	int csa_in_progress;
315 	unsigned int cs_c_off_ecsa_beacon;
316 	unsigned int cs_c_off_ecsa_proberesp;
317 
318 #ifdef CONFIG_IEEE80211AX
319 	bool cca_in_progress;
320 	u8 cca_count;
321 	u8 cca_color;
322 	unsigned int cca_c_off_beacon;
323 	unsigned int cca_c_off_proberesp;
324 	struct os_reltime first_color_collision;
325 	struct os_reltime last_color_collision;
326 	u64 color_collision_bitmap;
327 #endif /* CONFIG_IEEE80211AX */
328 
329 #ifdef CONFIG_P2P
330 	struct p2p_data *p2p;
331 	struct p2p_group *p2p_group;
332 	struct wpabuf *p2p_beacon_ie;
333 	struct wpabuf *p2p_probe_resp_ie;
334 
335 	/* Number of non-P2P association stations */
336 	int num_sta_no_p2p;
337 
338 	/* Periodic NoA (used only when no non-P2P clients in the group) */
339 	int noa_enabled;
340 	int noa_start;
341 	int noa_duration;
342 #endif /* CONFIG_P2P */
343 #ifdef CONFIG_PROXYARP
344 	struct l2_packet_data *sock_dhcp;
345 	struct l2_packet_data *sock_ndisc;
346 	bool x_snoop_initialized;
347 #endif /* CONFIG_PROXYARP */
348 #ifdef CONFIG_MESH
349 	int num_plinks;
350 	int max_plinks;
351 	void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
352 				 struct sta_info *sta);
353 	struct wpabuf *mesh_pending_auth;
354 	struct os_reltime mesh_pending_auth_time;
355 	u8 mesh_required_peer[ETH_ALEN];
356 #endif /* CONFIG_MESH */
357 
358 #ifdef CONFIG_SQLITE
359 	struct hostapd_eap_user tmp_eap_user;
360 #endif /* CONFIG_SQLITE */
361 
362 #ifdef CONFIG_SAE
363 
364 #define COMEBACK_KEY_SIZE 8
365 #define COMEBACK_PENDING_IDX_SIZE 256
366 
367 	/** Key used for generating SAE anti-clogging tokens */
368 	u8 comeback_key[COMEBACK_KEY_SIZE];
369 	struct os_reltime last_comeback_key_update;
370 	u16 comeback_idx;
371 	u16 comeback_pending_idx[COMEBACK_PENDING_IDX_SIZE];
372 	int dot11RSNASAERetransPeriod; /* msec */
373 	struct dl_list sae_commit_queue; /* struct hostapd_sae_commit_queue */
374 #endif /* CONFIG_SAE */
375 
376 #ifdef CONFIG_TESTING_OPTIONS
377 	unsigned int ext_mgmt_frame_handling:1;
378 	unsigned int ext_eapol_frame_io:1;
379 
380 	struct l2_packet_data *l2_test;
381 
382 	enum wpa_alg last_gtk_alg;
383 	int last_gtk_key_idx;
384 	u8 last_gtk[WPA_GTK_MAX_LEN];
385 	size_t last_gtk_len;
386 
387 	enum wpa_alg last_igtk_alg;
388 	int last_igtk_key_idx;
389 	u8 last_igtk[WPA_IGTK_MAX_LEN];
390 	size_t last_igtk_len;
391 
392 	enum wpa_alg last_bigtk_alg;
393 	int last_bigtk_key_idx;
394 	u8 last_bigtk[WPA_BIGTK_MAX_LEN];
395 	size_t last_bigtk_len;
396 
397 	bool force_backlog_bytes;
398 #endif /* CONFIG_TESTING_OPTIONS */
399 
400 #ifdef CONFIG_MBO
401 	unsigned int mbo_assoc_disallow;
402 #endif /* CONFIG_MBO */
403 
404 	struct dl_list nr_db;
405 
406 	u8 beacon_req_token;
407 	u8 lci_req_token;
408 	u8 range_req_token;
409 	unsigned int lci_req_active:1;
410 	unsigned int range_req_active:1;
411 
412 	int dhcp_sock; /* UDP socket used with the DHCP server */
413 
414 	struct ptksa_cache *ptksa;
415 
416 #ifdef CONFIG_DPP
417 	int dpp_init_done;
418 	struct dpp_authentication *dpp_auth;
419 	u8 dpp_allowed_roles;
420 	int dpp_qr_mutual;
421 	int dpp_auth_ok_on_ack;
422 	int dpp_in_response_listen;
423 	struct gas_query_ap *gas;
424 	struct dpp_pkex *dpp_pkex;
425 	struct dpp_bootstrap_info *dpp_pkex_bi;
426 	char *dpp_pkex_code;
427 	size_t dpp_pkex_code_len;
428 	char *dpp_pkex_identifier;
429 	enum dpp_pkex_ver dpp_pkex_ver;
430 	char *dpp_pkex_auth_cmd;
431 	char *dpp_configurator_params;
432 	struct os_reltime dpp_last_init;
433 	struct os_reltime dpp_init_iter_start;
434 	unsigned int dpp_init_max_tries;
435 	unsigned int dpp_init_retry_time;
436 	unsigned int dpp_resp_wait_time;
437 	unsigned int dpp_resp_max_tries;
438 	unsigned int dpp_resp_retry_time;
439 #ifdef CONFIG_DPP2
440 	struct wpabuf *dpp_presence_announcement;
441 	struct dpp_bootstrap_info *dpp_chirp_bi;
442 	int dpp_chirp_freq;
443 	int *dpp_chirp_freqs;
444 	int dpp_chirp_iter;
445 	int dpp_chirp_round;
446 	int dpp_chirp_scan_done;
447 	int dpp_chirp_listen;
448 	struct os_reltime dpp_relay_last_needs_ctrl;
449 #endif /* CONFIG_DPP2 */
450 #ifdef CONFIG_TESTING_OPTIONS
451 	char *dpp_config_obj_override;
452 	char *dpp_discovery_override;
453 	char *dpp_groups_override;
454 	unsigned int dpp_ignore_netaccesskey_mismatch:1;
455 #endif /* CONFIG_TESTING_OPTIONS */
456 #endif /* CONFIG_DPP */
457 
458 #ifdef CONFIG_AIRTIME_POLICY
459 	unsigned int num_backlogged_sta;
460 	unsigned int airtime_weight;
461 #endif /* CONFIG_AIRTIME_POLICY */
462 
463 	u8 last_1x_eapol_key_replay_counter[8];
464 
465 #ifdef CONFIG_SQLITE
466 	sqlite3 *rad_attr_db;
467 #endif /* CONFIG_SQLITE */
468 
469 #ifdef CONFIG_CTRL_IFACE_UDP
470        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
471 #endif /* CONFIG_CTRL_IFACE_UDP */
472 };
473 
474 
475 struct hostapd_sta_info {
476 	struct dl_list list;
477 	u8 addr[ETH_ALEN];
478 	struct os_reltime last_seen;
479 	int ssi_signal;
480 #ifdef CONFIG_TAXONOMY
481 	struct wpabuf *probe_ie_taxonomy;
482 #endif /* CONFIG_TAXONOMY */
483 };
484 
485 enum hostapd_iface_state {
486 	HAPD_IFACE_UNINITIALIZED,
487 	HAPD_IFACE_DISABLED,
488 	HAPD_IFACE_COUNTRY_UPDATE,
489 	HAPD_IFACE_ACS,
490 	HAPD_IFACE_HT_SCAN,
491 	HAPD_IFACE_DFS,
492 	HAPD_IFACE_NO_IR,
493 	HAPD_IFACE_ENABLED
494 };
495 
496 /**
497  * struct hostapd_iface - hostapd per-interface data structure
498  */
499 struct hostapd_iface {
500 	struct hapd_interfaces *interfaces;
501 	void *owner;
502 	char *config_fname;
503 	struct hostapd_config *conf;
504 	char phy[16]; /* Name of the PHY (radio) */
505 
506 	enum hostapd_iface_state state;
507 
508 #ifdef CONFIG_MESH
509 	struct mesh_conf *mconf;
510 #endif /* CONFIG_MESH */
511 
512 	size_t num_bss;
513 	struct hostapd_data **bss;
514 
515 	unsigned int wait_channel_update:1;
516 	unsigned int cac_started:1;
517 #ifdef CONFIG_FST
518 	struct fst_iface *fst;
519 	const struct wpabuf *fst_ies;
520 #endif /* CONFIG_FST */
521 
522 	/*
523 	 * When set, indicates that the driver will handle the AP
524 	 * teardown: delete global keys, station keys, and stations.
525 	 */
526 	unsigned int driver_ap_teardown:1;
527 
528 	/*
529 	 * When set, indicates that this interface is part of list of
530 	 * interfaces that need to be started together (synchronously).
531 	 */
532 	unsigned int need_to_start_in_sync:1;
533 
534 	/* Ready to start but waiting for other interfaces to become ready. */
535 	unsigned int ready_to_start_in_sync:1;
536 
537 	int num_ap; /* number of entries in ap_list */
538 	struct ap_info *ap_list; /* AP info list head */
539 	struct ap_info *ap_hash[STA_HASH_SIZE];
540 
541 	u64 drv_flags;
542 	u64 drv_flags2;
543 
544 	/*
545 	 * A bitmap of supported protocols for probe response offload. See
546 	 * struct wpa_driver_capa in driver.h
547 	 */
548 	unsigned int probe_resp_offloads;
549 
550 	/* extended capabilities supported by the driver */
551 	const u8 *extended_capa, *extended_capa_mask;
552 	unsigned int extended_capa_len;
553 
554 	u16 mld_eml_capa, mld_mld_capa;
555 
556 	unsigned int drv_max_acl_mac_addrs;
557 
558 	struct hostapd_hw_modes *hw_features;
559 	int num_hw_features;
560 	struct hostapd_hw_modes *current_mode;
561 	/* Rates that are currently used (i.e., filtered copy of
562 	 * current_mode->channels */
563 	int num_rates;
564 	struct hostapd_rate_data *current_rates;
565 	int *basic_rates;
566 	int freq;
567 
568 	/* Background radar configuration */
569 	struct {
570 		int channel;
571 		int secondary_channel;
572 		int freq;
573 		int centr_freq_seg0_idx;
574 		int centr_freq_seg1_idx;
575 		/* Main chain is on temporary channel during
576 		 * CAC detection on radar offchain.
577 		 */
578 		unsigned int temp_ch:1;
579 		/* CAC started on radar offchain */
580 		unsigned int cac_started:1;
581 	} radar_background;
582 
583 	u16 hw_flags;
584 
585 	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
586 	 * in 802.11g BSS) */
587 	int num_sta_non_erp;
588 
589 	/* Number of associated stations that do not support Short Slot Time */
590 	int num_sta_no_short_slot_time;
591 
592 	/* Number of associated stations that do not support Short Preamble */
593 	int num_sta_no_short_preamble;
594 
595 	int olbc; /* Overlapping Legacy BSS Condition */
596 
597 	/* Number of HT associated stations that do not support greenfield */
598 	int num_sta_ht_no_gf;
599 
600 	/* Number of associated non-HT stations */
601 	int num_sta_no_ht;
602 
603 	/* Number of HT associated stations 20 MHz */
604 	int num_sta_ht_20mhz;
605 
606 	/* Number of HT40 intolerant stations */
607 	int num_sta_ht40_intolerant;
608 
609 	/* Overlapping BSS information */
610 	int olbc_ht;
611 
612 	u16 ht_op_mode;
613 
614 	/* surveying helpers */
615 
616 	/* number of channels surveyed */
617 	unsigned int chans_surveyed;
618 
619 	/* lowest observed noise floor in dBm */
620 	s8 lowest_nf;
621 
622 	/* channel utilization calculation */
623 	u64 last_channel_time;
624 	u64 last_channel_time_busy;
625 	u8 channel_utilization;
626 
627 	unsigned int chan_util_samples_sum;
628 	unsigned int chan_util_num_sample_periods;
629 	unsigned int chan_util_average;
630 
631 	/* eCSA IE will be added only if operating class is specified */
632 	u8 cs_oper_class;
633 
634 	unsigned int dfs_cac_ms;
635 	struct os_reltime dfs_cac_start;
636 
637 	/* Latched with the actual secondary channel information and will be
638 	 * used while juggling between HT20 and HT40 modes. */
639 	int secondary_ch;
640 
641 #ifdef CONFIG_ACS
642 	unsigned int acs_num_completed_scans;
643 #endif /* CONFIG_ACS */
644 
645 	void (*scan_cb)(struct hostapd_iface *iface);
646 	int num_ht40_scan_tries;
647 
648 	struct dl_list sta_seen; /* struct hostapd_sta_info */
649 	unsigned int num_sta_seen;
650 
651 	u8 dfs_domain;
652 #ifdef CONFIG_AIRTIME_POLICY
653 	unsigned int airtime_quantum;
654 #endif /* CONFIG_AIRTIME_POLICY */
655 
656 	/* Previous WMM element information */
657 	struct hostapd_wmm_ac_params prev_wmm[WMM_AC_NUM];
658 
659 	/* Maximum number of interfaces supported for MBSSID advertisement */
660 	unsigned int mbssid_max_interfaces;
661 	/* Maximum profile periodicity for enhanced MBSSID advertisement */
662 	unsigned int ema_max_periodicity;
663 
664 	int (*enable_iface_cb)(struct hostapd_iface *iface);
665 	int (*disable_iface_cb)(struct hostapd_iface *iface);
666 
667 	/* Configured freq of interface is NO_IR */
668 	bool is_no_ir;
669 };
670 
671 /* hostapd.c */
672 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
673 			       int (*cb)(struct hostapd_iface *iface,
674 					 void *ctx), void *ctx);
675 int hostapd_reload_config(struct hostapd_iface *iface);
676 void hostapd_reconfig_encryption(struct hostapd_data *hapd);
677 struct hostapd_data *
678 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
679 		       struct hostapd_config *conf,
680 		       struct hostapd_bss_config *bss);
681 int hostapd_setup_interface(struct hostapd_iface *iface);
682 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
683 void hostapd_interface_deinit(struct hostapd_iface *iface);
684 void hostapd_interface_free(struct hostapd_iface *iface);
685 struct hostapd_iface * hostapd_alloc_iface(void);
686 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
687 				    const char *config_file);
688 struct hostapd_iface *
689 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
690 			   const char *config_fname, int debug);
691 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
692 			   int reassoc);
693 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
694 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
695 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
696 int hostapd_reload_bss_only(struct hostapd_data *bss);
697 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
698 void hostapd_bss_deinit_no_free(struct hostapd_data *hapd);
699 void hostapd_free_hapd_data(struct hostapd_data *hapd);
700 void hostapd_cleanup_iface_partial(struct hostapd_iface *iface);
701 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
702 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
703 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
704 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
705 const char * hostapd_state_text(enum hostapd_iface_state s);
706 int hostapd_csa_in_progress(struct hostapd_iface *iface);
707 void hostapd_chan_switch_config(struct hostapd_data *hapd,
708 				struct hostapd_freq_params *freq_params);
709 int hostapd_switch_channel(struct hostapd_data *hapd,
710 			   struct csa_settings *settings);
711 void
712 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
713 				const struct hostapd_freq_params *freq_params);
714 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
715 void hostapd_periodic_iface(struct hostapd_iface *iface);
716 int hostapd_owe_trans_get_info(struct hostapd_data *hapd);
717 void hostapd_ocv_check_csa_sa_query(void *eloop_ctx, void *timeout_ctx);
718 
719 void hostapd_switch_color(struct hostapd_data *hapd, u64 bitmap);
720 void hostapd_cleanup_cca_params(struct hostapd_data *hapd);
721 
722 /* utils.c */
723 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
724 				 int (*cb)(void *ctx, const u8 *sa,
725 					   const u8 *da, const u8 *bssid,
726 					   const u8 *ie, size_t ie_len,
727 					   int ssi_signal),
728 				 void *ctx);
729 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr,
730 				int mld_assoc_link_id);
731 
732 /* drv_callbacks.c (TODO: move to somewhere else?) */
733 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
734 				      struct sta_info *sta);
735 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
736 			const u8 *req_ie, size_t req_ielen, const u8 *resp_ie,
737 			size_t resp_ielen, const u8 *link_addr, int reassoc);
738 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
739 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
740 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
741 					 const u8 *addr, int reason_code);
742 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
743 			 const u8 *bssid, const u8 *ie, size_t ie_len,
744 			 int ssi_signal);
745 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
746 			     int offset, int width, int cf1, int cf2,
747 			     u16 punct_bitmap, int finished);
748 struct survey_results;
749 void hostapd_event_get_survey(struct hostapd_iface *iface,
750 			      struct survey_results *survey_results);
751 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
752 				  struct acs_selected_channels *acs_res);
753 
754 const struct hostapd_eap_user *
755 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
756 		     size_t identity_len, int phase2);
757 
758 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
759 					const char *ifname);
760 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
761 				      enum smps_mode smps_mode,
762 				      enum chan_width chan_width, u8 rx_nss);
763 
764 #ifdef CONFIG_FST
765 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
766 				struct fst_wpa_obj *iface_obj);
767 #endif /* CONFIG_FST */
768 
769 int hostapd_set_acl(struct hostapd_data *hapd);
770 struct hostapd_data * hostapd_mbssid_get_tx_bss(struct hostapd_data *hapd);
771 int hostapd_mbssid_get_bss_index(struct hostapd_data *hapd);
772 struct hostapd_data * hostapd_mld_get_link_bss(struct hostapd_data *hapd,
773 					       u8 link_id);
774 
775 #endif /* HOSTAPD_H */
776