bss.h

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/*
 * BSS table
 * Copyright (c) 2009-2010, 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 BSS_H
#define BSS_H

struct wpa_scan_res;

#define WPA_BSS_QUAL_INVALID            BIT(0)
#define WPA_BSS_NOISE_INVALID           BIT(1)
#define WPA_BSS_LEVEL_INVALID           BIT(2)
#define WPA_BSS_LEVEL_DBM               BIT(3)
#define WPA_BSS_AUTHENTICATED           BIT(4)
#define WPA_BSS_ASSOCIATED              BIT(5)

struct wpa_bss {
        struct dl_list list;
        struct dl_list list_id;
        unsigned int id;
        unsigned int scan_miss_count;
        unsigned int last_update_idx;
        unsigned int flags;
        u8 bssid[ETH_ALEN];
        u8 ssid[32];
        size_t ssid_len;
        int freq;
        u16 beacon_int;
        u16 caps;
        int qual;
        int noise;
        int level;
        u64 tsf;
        struct os_time last_update;
        size_t ie_len;
        size_t beacon_ie_len;
        /* followed by ie_len octets of IEs */
        /* followed by beacon_ie_len octets of IEs */
};

void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
                             struct wpa_scan_res *res);
void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
                        int new_scan);
int wpa_bss_init(struct wpa_supplicant *wpa_s);
void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
                             const u8 *ssid, size_t ssid_len);
struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
                                   const u8 *bssid);
struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
                                            u32 vendor_type);
int wpa_bss_get_max_rate(const struct wpa_bss *bss);
int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);

#endif /* BSS_H */