1 /* 2 * BSS table 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9 #ifndef BSS_H 10 #define BSS_H 11 12 struct wpa_scan_res; 13 14 #define WPA_BSS_QUAL_INVALID BIT(0) 15 #define WPA_BSS_NOISE_INVALID BIT(1) 16 #define WPA_BSS_LEVEL_INVALID BIT(2) 17 #define WPA_BSS_LEVEL_DBM BIT(3) 18 #define WPA_BSS_AUTHENTICATED BIT(4) 19 #define WPA_BSS_ASSOCIATED BIT(5) 20 #define WPA_BSS_ANQP_FETCH_TRIED BIT(6) 21 22 struct wpa_bss_anqp { 23 unsigned int users; 24 #ifdef CONFIG_INTERWORKING 25 struct wpabuf *venue_name; 26 struct wpabuf *network_auth_type; 27 struct wpabuf *roaming_consortium; 28 struct wpabuf *ip_addr_type_availability; 29 struct wpabuf *nai_realm; 30 struct wpabuf *anqp_3gpp; 31 struct wpabuf *domain_name; 32 #endif /* CONFIG_INTERWORKING */ 33 #ifdef CONFIG_HS20 34 struct wpabuf *hs20_operator_friendly_name; 35 struct wpabuf *hs20_wan_metrics; 36 struct wpabuf *hs20_connection_capability; 37 struct wpabuf *hs20_operating_class; 38 #endif /* CONFIG_HS20 */ 39 }; 40 41 /** 42 * struct wpa_bss - BSS table 43 * @list: List entry for struct wpa_supplicant::bss 44 * @list_id: List entry for struct wpa_supplicant::bss_id 45 * @id: Unique identifier for this BSS entry 46 * @scan_miss_count: Number of counts without seeing this BSS 47 * @flags: information flags about the BSS/IBSS (WPA_BSS_*) 48 * @last_update_idx: Index of the last scan update 49 * @bssid: BSSID 50 * @hessid: HESSID 51 * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1) 52 * @beacon_int: beacon interval in TUs (host byte order) 53 * @caps: capability information field in host byte order 54 * @qual: signal quality 55 * @noise: noise level 56 * @level: signal level 57 * @tsf: Timestamp of last Beacon/Probe Response frame 58 * @last_update: Time of the last update (i.e., Beacon or Probe Response RX) 59 * @ie_len: length of the following IE field in octets (from Probe Response) 60 * @beacon_ie_len: length of the following Beacon IE field in octets 61 * 62 * This structure is used to store information about neighboring BSSes in 63 * generic format. It is mainly updated based on scan results from the driver. 64 */ 65 struct wpa_bss { 66 struct dl_list list; 67 struct dl_list list_id; 68 unsigned int id; 69 unsigned int scan_miss_count; 70 unsigned int last_update_idx; 71 unsigned int flags; 72 u8 bssid[ETH_ALEN]; 73 u8 hessid[ETH_ALEN]; 74 u8 ssid[32]; 75 size_t ssid_len; 76 int freq; 77 u16 beacon_int; 78 u16 caps; 79 int qual; 80 int noise; 81 int level; 82 u64 tsf; 83 struct os_time last_update; 84 struct wpa_bss_anqp *anqp; 85 size_t ie_len; 86 size_t beacon_ie_len; 87 /* followed by ie_len octets of IEs */ 88 /* followed by beacon_ie_len octets of IEs */ 89 }; 90 91 void wpa_bss_update_start(struct wpa_supplicant *wpa_s); 92 void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s, 93 struct wpa_scan_res *res); 94 void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info, 95 int new_scan); 96 int wpa_bss_init(struct wpa_supplicant *wpa_s); 97 void wpa_bss_deinit(struct wpa_supplicant *wpa_s); 98 void wpa_bss_flush(struct wpa_supplicant *wpa_s); 99 void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age); 100 struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid, 101 const u8 *ssid, size_t ssid_len); 102 struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s, 103 const u8 *bssid); 104 struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s, 105 const u8 *dev_addr); 106 struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id); 107 const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie); 108 const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type); 109 struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss, 110 u32 vendor_type); 111 struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss, 112 u32 vendor_type); 113 int wpa_bss_get_max_rate(const struct wpa_bss *bss); 114 int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates); 115 struct wpa_bss_anqp * wpa_bss_anqp_alloc(void); 116 117 #endif /* BSS_H */ 118
