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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)
- #define WPA_BSS_ANQP_FETCH_TRIED BIT(6)
- /**
- * struct wpa_bss - BSS table
- * @list: List entry for struct wpa_supplicant::bss
- * @list_id: List entry for struct wpa_supplicant::bss_id
- * @id: Unique identifier for this BSS entry
- * @scan_miss_count: Number of counts without seeing this BSS
- * @flags: information flags about the BSS/IBSS (WPA_BSS_*)
- * @last_update_idx: Index of the last scan update
- * @bssid: BSSID
- * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
- * @beacon_int: beacon interval in TUs (host byte order)
- * @caps: capability information field in host byte order
- * @qual: signal quality
- * @noise: noise level
- * @level: signal level
- * @tsf: Timestamp of last Beacon/Probe Response frame
- * @last_update: Time of the last update (i.e., Beacon or Probe Response RX)
- * @ie_len: length of the following IE field in octets (from Probe Response)
- * @beacon_ie_len: length of the following Beacon IE field in octets
- *
- * This structure is used to store information about neighboring BSSes in
- * generic format. It is mainly updated based on scan results from the driver.
- */
- 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;
- #ifdef CONFIG_INTERWORKING
- struct wpabuf *anqp_venue_name;
- struct wpabuf *anqp_network_auth_type;
- struct wpabuf *anqp_roaming_consortium;
- struct wpabuf *anqp_ip_addr_type_availability;
- struct wpabuf *anqp_nai_realm;
- struct wpabuf *anqp_3gpp;
- struct wpabuf *anqp_domain_name;
- #endif /* CONFIG_INTERWORKING */
- 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);
- void wpa_bss_flush(struct wpa_supplicant *wpa_s);
- void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
- 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 */
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