1 /* 2 * hostapd / AP table 3 * Copyright (c) 2002-2003, Jouni Malinen <j (at) w1.fi> 4 * Copyright (c) 2003-2004, Instant802 Networks, Inc. 5 * Copyright (c) 2006, Devicescape Software, Inc. 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 * Alternatively, this software may be distributed under the terms of BSD 12 * license. 13 * 14 * See README and COPYING for more details. 15 */ 16 17 #ifndef AP_LIST_H 18 #define AP_LIST_H 19 20 struct ap_info { 21 /* Note: next/prev pointers are updated whenever a new beacon is 22 * received because these are used to find the least recently used 23 * entries. iter_next/iter_prev are updated only when adding new BSSes 24 * and when removing old ones. These should be used when iterating 25 * through the table in a manner that allows beacons to be received 26 * during the iteration. */ 27 struct ap_info *next; /* next entry in AP list */ 28 struct ap_info *prev; /* previous entry in AP list */ 29 struct ap_info *hnext; /* next entry in hash table list */ 30 struct ap_info *iter_next; /* next entry in AP iteration list */ 31 struct ap_info *iter_prev; /* previous entry in AP iteration list */ 32 u8 addr[6]; 33 u16 beacon_int; 34 u16 capability; 35 u8 supported_rates[WLAN_SUPP_RATES_MAX]; 36 u8 ssid[33]; 37 size_t ssid_len; 38 int wpa; 39 int erp; /* ERP Info or -1 if ERP info element not present */ 40 41 int channel; 42 int datarate; /* in 100 kbps */ 43 int ssi_signal; 44 45 int ht_support; 46 47 unsigned int num_beacons; /* number of beacon frames received */ 48 os_time_t last_beacon; 49 50 int already_seen; /* whether API call AP-NEW has already fetched 51 * information about this AP */ 52 }; 53 54 struct ieee802_11_elems; 55 struct hostapd_frame_info; 56 57 struct ap_info * ap_get_ap(struct hostapd_iface *iface, const u8 *sta); 58 int ap_ap_for_each(struct hostapd_iface *iface, 59 int (*func)(struct ap_info *s, void *data), void *data); 60 void ap_list_process_beacon(struct hostapd_iface *iface, 61 const struct ieee80211_mgmt *mgmt, 62 struct ieee802_11_elems *elems, 63 struct hostapd_frame_info *fi); 64 #ifdef NEED_AP_MLME 65 int ap_list_init(struct hostapd_iface *iface); 66 void ap_list_deinit(struct hostapd_iface *iface); 67 #else /* NEED_AP_MLME */ 68 static inline int ap_list_init(struct hostapd_iface *iface) 69 { 70 return 0; 71 } 72 73 static inline void ap_list_deinit(struct hostapd_iface *iface) 74 { 75 } 76 #endif /* NEED_AP_MLME */ 77 78 #endif /* AP_LIST_H */ 79
