[thirdparty/hostap.git] / src / ap / hostapd.h

/*
 * hostapd / Initialization and configuration
 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * Alternatively, this software may be distributed under the terms of BSD
 * license.
 *
 * See README and COPYING for more details.
 */

#ifndef HOSTAPD_H
#define HOSTAPD_H

#include "common/defs.h"

struct wpa_driver_ops;
struct wpa_ctrl_dst;
struct radius_server_data;
struct upnp_wps_device_sm;
struct hapd_interfaces;
struct hostapd_data;
struct sta_info;
struct hostap_sta_driver_data;
struct ieee80211_ht_capabilities;
struct full_dynamic_vlan;
enum wps_event;
union wps_event_data;

struct hostapd_probereq_cb {
	int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
		  const u8 *ie, size_t ie_len);
	void *ctx;
};

#define HOSTAPD_RATE_BASIC 0x00000001

struct hostapd_rate_data {
	int rate; /* rate in 100 kbps */
	int flags; /* HOSTAPD_RATE_ flags */
};

struct hostapd_frame_info {
	u32 channel;
	u32 datarate;
	u32 ssi_signal;
};


/**
 * struct hostapd_data - hostapd per-BSS data structure
 */
struct hostapd_data {
	struct hostapd_iface *iface;
	struct hostapd_config *iconf;
	struct hostapd_bss_config *conf;
	int interface_added; /* virtual interface added for this BSS */

	u8 own_addr[ETH_ALEN];

	int num_sta; /* number of entries in sta_list */
	struct sta_info *sta_list; /* STA info list head */
#define STA_HASH_SIZE 256
#define STA_HASH(sta) (sta[5])
	struct sta_info *sta_hash[STA_HASH_SIZE];

	/*
	 * Bitfield for indicating which AIDs are allocated. Only AID values
	 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
	 * 1.
	 */
#define AID_WORDS ((2008 + 31) / 32)
	u32 sta_aid[AID_WORDS];

	const struct wpa_driver_ops *driver;
	void *drv_priv;

	void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
				 struct sta_info *sta, int reassoc);

	void *msg_ctx; /* ctx for wpa_msg() calls */
	void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */

	struct radius_client_data *radius;
	u32 acct_session_id_hi, acct_session_id_lo;

	struct iapp_data *iapp;

	struct hostapd_cached_radius_acl *acl_cache;
	struct hostapd_acl_query_data *acl_queries;

	struct wpa_authenticator *wpa_auth;
	struct eapol_authenticator *eapol_auth;

	struct rsn_preauth_interface *preauth_iface;
	time_t michael_mic_failure;
	int michael_mic_failures;
	int tkip_countermeasures;

	int ctrl_sock;
	struct wpa_ctrl_dst *ctrl_dst;

	void *ssl_ctx;
	void *eap_sim_db_priv;
	struct radius_server_data *radius_srv;

	int parameter_set_count;

	/* Time Advertisement */
	u8 time_update_counter;
	struct wpabuf *time_adv;

#ifdef CONFIG_FULL_DYNAMIC_VLAN
	struct full_dynamic_vlan *full_dynamic_vlan;
#endif /* CONFIG_FULL_DYNAMIC_VLAN */

	struct l2_packet_data *l2;
	struct wps_context *wps;

	int beacon_set_done;
	struct wpabuf *wps_beacon_ie;
	struct wpabuf *wps_probe_resp_ie;
#ifdef CONFIG_WPS
	unsigned int ap_pin_failures;
	struct upnp_wps_device_sm *wps_upnp;
	unsigned int ap_pin_lockout_time;
#endif /* CONFIG_WPS */

	struct hostapd_probereq_cb *probereq_cb;
	size_t num_probereq_cb;

	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
				 int freq);
	void *public_action_cb_ctx;

	int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
				int freq);
	void *vendor_action_cb_ctx;

	void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
				   const u8 *uuid_e);
	void *wps_reg_success_cb_ctx;

	void (*wps_event_cb)(void *ctx, enum wps_event event,
			     union wps_event_data *data);
	void *wps_event_cb_ctx;

	void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
				  int authorized, const u8 *p2p_dev_addr);
	void *sta_authorized_cb_ctx;

	void (*setup_complete_cb)(void *ctx);
	void *setup_complete_cb_ctx;

#ifdef CONFIG_P2P
	struct p2p_data *p2p;
	struct p2p_group *p2p_group;
	struct wpabuf *p2p_beacon_ie;
	struct wpabuf *p2p_probe_resp_ie;

	/* Number of non-P2P association stations */
	int num_sta_no_p2p;

	/* Periodic NoA (used only when no non-P2P clients in the group) */
	int noa_enabled;
	int noa_start;
	int noa_duration;
#endif /* CONFIG_P2P */
};


/**
 * struct hostapd_iface - hostapd per-interface data structure
 */
struct hostapd_iface {
	struct hapd_interfaces *interfaces;
	void *owner;
	int (*reload_config)(struct hostapd_iface *iface);
	struct hostapd_config * (*config_read_cb)(const char *config_fname);
	char *config_fname;
	struct hostapd_config *conf;

	size_t num_bss;
	struct hostapd_data **bss;

	int num_ap; /* number of entries in ap_list */
	struct ap_info *ap_list; /* AP info list head */
	struct ap_info *ap_hash[STA_HASH_SIZE];
	struct ap_info *ap_iter_list;

	unsigned int drv_flags;

	/*
	 * A bitmap of supported protocols for probe response offload. See
	 * struct wpa_driver_capa in driver.h
	 */
	unsigned int probe_resp_offloads;

	struct hostapd_hw_modes *hw_features;
	int num_hw_features;
	struct hostapd_hw_modes *current_mode;
	/* Rates that are currently used (i.e., filtered copy of
	 * current_mode->channels */
	int num_rates;
	struct hostapd_rate_data *current_rates;
	int *basic_rates;
	int freq;

	u16 hw_flags;

	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
	 * in 802.11g BSS) */
	int num_sta_non_erp;

	/* Number of associated stations that do not support Short Slot Time */
	int num_sta_no_short_slot_time;

	/* Number of associated stations that do not support Short Preamble */
	int num_sta_no_short_preamble;

	int olbc; /* Overlapping Legacy BSS Condition */

	/* Number of HT associated stations that do not support greenfield */
	int num_sta_ht_no_gf;

	/* Number of associated non-HT stations */
	int num_sta_no_ht;

	/* Number of HT associated stations 20 MHz */
	int num_sta_ht_20mhz;

	/* Overlapping BSS information */
	int olbc_ht;

	u16 ht_op_mode;
	void (*scan_cb)(struct hostapd_iface *iface);

	int (*ctrl_iface_init)(struct hostapd_data *hapd);
	void (*ctrl_iface_deinit)(struct hostapd_data *hapd);

	int (*for_each_interface)(struct hapd_interfaces *interfaces,
				  int (*cb)(struct hostapd_iface *iface,
					    void *ctx), void *ctx);
};

/* hostapd.c */
int hostapd_reload_config(struct hostapd_iface *iface);
struct hostapd_data *
hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
		       struct hostapd_config *conf,
		       struct hostapd_bss_config *bss);
int hostapd_setup_interface(struct hostapd_iface *iface);
int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
void hostapd_interface_deinit(struct hostapd_iface *iface);
void hostapd_interface_free(struct hostapd_iface *iface);
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
			   int reassoc);

/* utils.c */
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
				 int (*cb)(void *ctx, const u8 *sa,
					   const u8 *da, const u8 *bssid,
					   const u8 *ie, size_t ie_len),
				 void *ctx);
void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);

/* drv_callbacks.c (TODO: move to somewhere else?) */
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
			const u8 *ie, size_t ielen, int reassoc);
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
			 const u8 *bssid, const u8 *ie, size_t ie_len);

#endif /* HOSTAPD_H */
Commit	Line	Data
6fc6879b JM	1	/*
6fc6879b JM	2	* hostapd / Initialization and configuration
45cefa0b	3	* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
6fc6879b JM	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License version 2 as
	7	* published by the Free Software Foundation.
	8	*
	9	* Alternatively, this software may be distributed under the terms of BSD
	10	* license.
	11	*
	12	* See README and COPYING for more details.
	13	*/
	14
	15	#ifndef HOSTAPD_H
	16	#define HOSTAPD_H
	17
45cefa0b JM	18	#include "common/defs.h"
45cefa0b JM	19
c5121837	20	struct wpa_driver_ops;
6fc6879b JM	21	struct wpa_ctrl_dst;
6fc6879b JM	22	struct radius_server_data;
f620268f	23	struct upnp_wps_device_sm;
9969e5a4	24	struct hapd_interfaces;
bf65bc63	25	struct hostapd_data;
45cefa0b	26	struct sta_info;
a3d4fafa	27	struct hostap_sta_driver_data;
2ce86d9d	28	struct ieee80211_ht_capabilities;
6fc6879b	29	struct full_dynamic_vlan;
a0dee797 AGS	30	enum wps_event;
a0dee797 AGS	31	union wps_event_data;
6fc6879b	32
fa16028d	33	struct hostapd_probereq_cb {
04a85e44 JM	34	int (cb)(void ctx, const u8 sa, const u8 da, const u8 *bssid,
04a85e44 JM	35	const u8 *ie, size_t ie_len);
fa16028d JM	36	void *ctx;
	37	};
	38
fb7842aa JM	39	#define HOSTAPD_RATE_BASIC 0x00000001
	40
	41	struct hostapd_rate_data {
	42	int rate; /* rate in 100 kbps */
	43	int flags; /* HOSTAPD_RATE_ flags */
	44	};
	45
2a8b7416 JM	46	struct hostapd_frame_info {
	47	u32 channel;
	48	u32 datarate;
	49	u32 ssi_signal;
	50	};
	51
fb7842aa	52
6fc6879b JM	53	/**
	54	* struct hostapd_data - hostapd per-BSS data structure
	55	*/
	56	struct hostapd_data {
	57	struct hostapd_iface *iface;
	58	struct hostapd_config *iconf;
	59	struct hostapd_bss_config *conf;
	60	int interface_added; /* virtual interface added for this BSS */
	61
	62	u8 own_addr[ETH_ALEN];
	63
	64	int num_sta; /* number of entries in sta_list */
	65	struct sta_info sta_list; / STA info list head */
2991469c JM	66	#define STA_HASH_SIZE 256
2991469c JM	67	#define STA_HASH(sta) (sta[5])
6fc6879b JM	68	struct sta_info *sta_hash[STA_HASH_SIZE];
6fc6879b JM	69
2991469c JM	70	/*
	71	* Bitfield for indicating which AIDs are allocated. Only AID values
	72	* 1-2007 are used and as such, the bit at index 0 corresponds to AID
	73	* 1.
6fc6879b	74	*/
2991469c JM	75	#define AID_WORDS ((2008 + 31) / 32)
2991469c JM	76	u32 sta_aid[AID_WORDS];
6fc6879b	77
c5121837	78	const struct wpa_driver_ops *driver;
6fc6879b JM	79	void *drv_priv;
6fc6879b JM	80
d24df7c3 JM	81	void (new_assoc_sta_cb)(struct hostapd_data hapd,
	82	struct sta_info *sta, int reassoc);
	83
4f760fcc	84	void msg_ctx; / ctx for wpa_msg() calls */
8a5e75f6	85	void msg_ctx_parent; / parent interface ctx for wpa_msg() calls */
4f760fcc	86
6fc6879b	87	struct radius_client_data *radius;
6fc6879b JM	88	u32 acct_session_id_hi, acct_session_id_lo;
	89
	90	struct iapp_data *iapp;
	91
6fc6879b JM	92	struct hostapd_cached_radius_acl *acl_cache;
	93	struct hostapd_acl_query_data *acl_queries;
	94
	95	struct wpa_authenticator *wpa_auth;
	96	struct eapol_authenticator *eapol_auth;
	97
	98	struct rsn_preauth_interface *preauth_iface;
	99	time_t michael_mic_failure;
	100	int michael_mic_failures;
	101	int tkip_countermeasures;
	102
	103	int ctrl_sock;
	104	struct wpa_ctrl_dst *ctrl_dst;
	105
	106	void *ssl_ctx;
	107	void *eap_sim_db_priv;
	108	struct radius_server_data *radius_srv;
	109
	110	int parameter_set_count;
	111
39b97072 JM	112	/* Time Advertisement */
	113	u8 time_update_counter;
	114	struct wpabuf *time_adv;
	115
6fc6879b JM	116	#ifdef CONFIG_FULL_DYNAMIC_VLAN
	117	struct full_dynamic_vlan *full_dynamic_vlan;
	118	#endif /* CONFIG_FULL_DYNAMIC_VLAN */
	119
	120	struct l2_packet_data *l2;
ad08c363 JM	121	struct wps_context *wps;
ad08c363 JM	122
bc45d427	123	int beacon_set_done;
14f79386 JM	124	struct wpabuf *wps_beacon_ie;
14f79386 JM	125	struct wpabuf *wps_probe_resp_ie;
84312359	126	#ifdef CONFIG_WPS
3b2cf800	127	unsigned int ap_pin_failures;
f620268f	128	struct upnp_wps_device_sm *wps_upnp;
94481410	129	unsigned int ap_pin_lockout_time;
ad08c363	130	#endif /* CONFIG_WPS */
fa16028d JM	131
	132	struct hostapd_probereq_cb *probereq_cb;
	133	size_t num_probereq_cb;
195420b8	134
c706d5aa JM	135	void (public_action_cb)(void ctx, const u8 *buf, size_t len,
	136	int freq);
	137	void *public_action_cb_ctx;
	138
e44f8bf2 JM	139	int (vendor_action_cb)(void ctx, const u8 *buf, size_t len,
	140	int freq);
	141	void *vendor_action_cb_ctx;
	142
195420b8 JM	143	void (wps_reg_success_cb)(void ctx, const u8 *mac_addr,
	144	const u8 *uuid_e);
	145	void *wps_reg_success_cb_ctx;
c2af2afb	146
a0dee797 AGS	147	void (wps_event_cb)(void ctx, enum wps_event event,
	148	union wps_event_data *data);
	149	void *wps_event_cb_ctx;
	150
0661eed2	151	void (sta_authorized_cb)(void ctx, const u8 *mac_addr,
fbdcfd57	152	int authorized, const u8 *p2p_dev_addr);
0661eed2 JB	153	void *sta_authorized_cb_ctx;
0661eed2 JB	154
c76e5d7f JB	155	void (setup_complete_cb)(void ctx);
	156	void *setup_complete_cb_ctx;
	157
c2af2afb	158	#ifdef CONFIG_P2P
e44f8bf2 JM	159	struct p2p_data *p2p;
e44f8bf2 JM	160	struct p2p_group *p2p_group;
c2af2afb JM	161	struct wpabuf *p2p_beacon_ie;
c2af2afb JM	162	struct wpabuf *p2p_probe_resp_ie;
aefb53bd JM	163
	164	/* Number of non-P2P association stations */
	165	int num_sta_no_p2p;
	166
	167	/* Periodic NoA (used only when no non-P2P clients in the group) */
	168	int noa_enabled;
	169	int noa_start;
	170	int noa_duration;
c2af2afb	171	#endif /* CONFIG_P2P */
6fc6879b JM	172	};
	173
	174
6fc6879b JM	175	/**
	176	* struct hostapd_iface - hostapd per-interface data structure
	177	*/
	178	struct hostapd_iface {
9969e5a4	179	struct hapd_interfaces *interfaces;
0f2b2c19	180	void *owner;
32da61d9	181	int (reload_config)(struct hostapd_iface iface);
41d719d6	182	struct hostapd_config * (config_read_cb)(const char config_fname);
6fc6879b JM	183	char *config_fname;
	184	struct hostapd_config *conf;
	185
6fc6879b JM	186	size_t num_bss;
	187	struct hostapd_data **bss;
	188
	189	int num_ap; /* number of entries in ap_list */
	190	struct ap_info ap_list; / AP info list head */
	191	struct ap_info *ap_hash[STA_HASH_SIZE];
	192	struct ap_info *ap_iter_list;
	193
2fee890a	194	unsigned int drv_flags;
4f73d88a AN	195
	196	/*
	197	* A bitmap of supported protocols for probe response offload. See
	198	* struct wpa_driver_capa in driver.h
	199	*/
	200	unsigned int probe_resp_offloads;
	201
6fc6879b JM	202	struct hostapd_hw_modes *hw_features;
	203	int num_hw_features;
	204	struct hostapd_hw_modes *current_mode;
	205	/* Rates that are currently used (i.e., filtered copy of
	206	* current_mode->channels */
	207	int num_rates;
	208	struct hostapd_rate_data *current_rates;
e5693c47	209	int *basic_rates;
c706d5aa	210	int freq;
6fc6879b JM	211
	212	u16 hw_flags;
	213
	214	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
	215	* in 802.11g BSS) */
	216	int num_sta_non_erp;
	217
	218	/* Number of associated stations that do not support Short Slot Time */
	219	int num_sta_no_short_slot_time;
	220
	221	/* Number of associated stations that do not support Short Preamble */
	222	int num_sta_no_short_preamble;
	223
	224	int olbc; /* Overlapping Legacy BSS Condition */
	225
de9289c8 JM	226	/* Number of HT associated stations that do not support greenfield */
	227	int num_sta_ht_no_gf;
	228
	229	/* Number of associated non-HT stations */
	230	int num_sta_no_ht;
	231
	232	/* Number of HT associated stations 20 MHz */
	233	int num_sta_ht_20mhz;
	234
	235	/* Overlapping BSS information */
	236	int olbc_ht;
	237
edd360e1	238	u16 ht_op_mode;
ad1e68e6	239	void (scan_cb)(struct hostapd_iface iface);
70db2ab3 JM	240
	241	int (ctrl_iface_init)(struct hostapd_data hapd);
	242	void (ctrl_iface_deinit)(struct hostapd_data hapd);
1b56c26c JM	243
	244	int (for_each_interface)(struct hapd_interfaces interfaces,
	245	int (cb)(struct hostapd_iface iface,
	246	void ctx), void ctx);
6fc6879b JM	247	};
6fc6879b JM	248
a4f21109	249	/* hostapd.c */
ad08c363	250	int hostapd_reload_config(struct hostapd_iface *iface);
b6a7859d JM	251	struct hostapd_data *
	252	hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
	253	struct hostapd_config *conf,
	254	struct hostapd_bss_config *bss);
5c333467	255	int hostapd_setup_interface(struct hostapd_iface *iface);
ad1e68e6	256	int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
5c333467	257	void hostapd_interface_deinit(struct hostapd_iface *iface);
f7c47833	258	void hostapd_interface_free(struct hostapd_iface *iface);
a4f21109 JM	259	void hostapd_new_assoc_sta(struct hostapd_data hapd, struct sta_info sta,
a4f21109 JM	260	int reassoc);
5c333467	261
a4f21109	262	/* utils.c */
fa16028d	263	int hostapd_register_probereq_cb(struct hostapd_data *hapd,
cd7d80f3	264	int (cb)(void ctx, const u8 *sa,
04a85e44	265	const u8 da, const u8 bssid,
cd7d80f3	266	const u8 *ie, size_t ie_len),
fa16028d	267	void *ctx);
0aef3ec8	268	void hostapd_prune_associations(struct hostapd_data hapd, const u8 addr);
fa16028d	269
1d041bec JM	270	/* drv_callbacks.c (TODO: move to somewhere else?) */
1d041bec JM	271	int hostapd_notif_assoc(struct hostapd_data hapd, const u8 addr,
39b08b5f	272	const u8 *ie, size_t ielen, int reassoc);
1d041bec	273	void hostapd_notif_disassoc(struct hostapd_data hapd, const u8 addr);
0d7e5a3a	274	void hostapd_event_sta_low_ack(struct hostapd_data hapd, const u8 addr);
04a85e44 JM	275	int hostapd_probe_req_rx(struct hostapd_data hapd, const u8 sa, const u8 *da,
04a85e44 JM	276	const u8 bssid, const u8 ie, size_t ie_len);
1d041bec	277
6fc6879b	278	#endif /* HOSTAPD_H */