| /* |
| * BSS table |
| * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi> |
| * |
| * This software may be distributed under the terms of the BSD license. |
| * See README 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_anqp - ANQP data for a BSS entry (struct wpa_bss) |
| */ |
| struct wpa_bss_anqp { |
| /** Number of BSS entries referring to this ANQP data instance */ |
| unsigned int users; |
| #ifdef CONFIG_INTERWORKING |
| struct wpabuf *venue_name; |
| struct wpabuf *network_auth_type; |
| struct wpabuf *roaming_consortium; |
| struct wpabuf *ip_addr_type_availability; |
| struct wpabuf *nai_realm; |
| struct wpabuf *anqp_3gpp; |
| struct wpabuf *domain_name; |
| #endif /* CONFIG_INTERWORKING */ |
| #ifdef CONFIG_HS20 |
| struct wpabuf *hs20_operator_friendly_name; |
| struct wpabuf *hs20_wan_metrics; |
| struct wpabuf *hs20_connection_capability; |
| struct wpabuf *hs20_operating_class; |
| #endif /* CONFIG_HS20 */ |
| }; |
| |
| /** |
| * struct wpa_bss - BSS table |
| * |
| * 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 { |
| /** List entry for struct wpa_supplicant::bss */ |
| struct dl_list list; |
| /** List entry for struct wpa_supplicant::bss_id */ |
| struct dl_list list_id; |
| /** Unique identifier for this BSS entry */ |
| unsigned int id; |
| /** Number of counts without seeing this BSS */ |
| unsigned int scan_miss_count; |
| /** Index of the last scan update */ |
| unsigned int last_update_idx; |
| /** Information flags about the BSS/IBSS (WPA_BSS_*) */ |
| unsigned int flags; |
| /** BSSID */ |
| u8 bssid[ETH_ALEN]; |
| /** HESSID */ |
| u8 hessid[ETH_ALEN]; |
| /** SSID */ |
| u8 ssid[32]; |
| /** Length of SSID */ |
| size_t ssid_len; |
| /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */ |
| int freq; |
| /** Beacon interval in TUs (host byte order) */ |
| u16 beacon_int; |
| /** Capability information field in host byte order */ |
| u16 caps; |
| /** Signal quality */ |
| int qual; |
| /** Noise level */ |
| int noise; |
| /** Signal level */ |
| int level; |
| /** Timestamp of last Beacon/Probe Response frame */ |
| u64 tsf; |
| /** Time of the last update (i.e., Beacon or Probe Response RX) */ |
| struct os_time last_update; |
| /** ANQP data */ |
| struct wpa_bss_anqp *anqp; |
| /** Length of the following IE field in octets (from Probe Response) */ |
| size_t ie_len; |
| /** Length of the following Beacon IE field in octets */ |
| 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_p2p_dev_addr(struct wpa_supplicant *wpa_s, |
| const u8 *dev_addr); |
| 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); |
| struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(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); |
| struct wpa_bss_anqp * wpa_bss_anqp_alloc(void); |
| int wpa_bss_anqp_unshare_alloc(struct wpa_bss *bss); |
| |
| #endif /* BSS_H */ |