hostap/hostapd/ap_list.h

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/*
* hostapd / AP table
* Copyright 2002-2003, Jouni Malinen <j@w1.fi>
* Copyright 2003-2004, Instant802 Networks, Inc.
* Copyright 2006, Devicescape Software, Inc.
*
* 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 AP_LIST_H
#define AP_LIST_H
struct ap_info {
/* Note: next/prev pointers are updated whenever a new beacon is
* received because these are used to find the least recently used
* entries. iter_next/iter_prev are updated only when adding new BSSes
* and when removing old ones. These should be used when iterating
* through the table in a manner that allows beacons to be received
* during the iteration. */
struct ap_info *next; /* next entry in AP list */
struct ap_info *prev; /* previous entry in AP list */
struct ap_info *hnext; /* next entry in hash table list */
struct ap_info *iter_next; /* next entry in AP iteration list */
struct ap_info *iter_prev; /* previous entry in AP iteration list */
u8 addr[6];
u16 beacon_int;
u16 capability;
u8 supported_rates[WLAN_SUPP_RATES_MAX];
u8 ssid[33];
size_t ssid_len;
int wpa;
int erp; /* ERP Info or -1 if ERP info element not present */
int phytype; /* .11a / .11b / .11g / Atheros Turbo */
int channel;
int datarate; /* in 100 kbps */
int ssi_signal;
unsigned int num_beacons; /* number of beacon frames received */
time_t last_beacon;
int already_seen; /* whether API call AP-NEW has already fetched
* information about this AP */
};
struct ieee802_11_elems;
struct hostapd_frame_info;
struct ap_info * ap_get_ap(struct hostapd_iface *iface, u8 *sta);
int ap_ap_for_each(struct hostapd_iface *iface,
int (*func)(struct ap_info *s, void *data), void *data);
void ap_list_process_beacon(struct hostapd_iface *iface,
struct ieee80211_mgmt *mgmt,
struct ieee802_11_elems *elems,
struct hostapd_frame_info *fi);
int ap_list_init(struct hostapd_iface *iface);
void ap_list_deinit(struct hostapd_iface *iface);
int ap_list_reconfig(struct hostapd_iface *iface,
struct hostapd_config *oldconf);
#endif /* AP_LIST_H */