3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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)
23 * struct wpa_bss_anqp - ANQP data for a BSS entry (struct wpa_bss)
26 /** Number of BSS entries referring to this ANQP data instance */
28 #ifdef CONFIG_INTERWORKING
29 struct wpabuf *venue_name;
30 struct wpabuf *network_auth_type;
31 struct wpabuf *roaming_consortium;
32 struct wpabuf *ip_addr_type_availability;
33 struct wpabuf *nai_realm;
34 struct wpabuf *anqp_3gpp;
35 struct wpabuf *domain_name;
36 #endif /* CONFIG_INTERWORKING */
38 struct wpabuf *hs20_operator_friendly_name;
39 struct wpabuf *hs20_wan_metrics;
40 struct wpabuf *hs20_connection_capability;
41 struct wpabuf *hs20_operating_class;
42 #endif /* CONFIG_HS20 */
46 * struct wpa_bss - BSS table
48 * This structure is used to store information about neighboring BSSes in
49 * generic format. It is mainly updated based on scan results from the driver.
52 /** List entry for struct wpa_supplicant::bss */
54 /** List entry for struct wpa_supplicant::bss_id */
55 struct dl_list list_id;
56 /** Unique identifier for this BSS entry */
58 /** Number of counts without seeing this BSS */
59 unsigned int scan_miss_count;
60 /** Index of the last scan update */
61 unsigned int last_update_idx;
62 /** Information flags about the BSS/IBSS (WPA_BSS_*) */
72 /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
74 /** Beacon interval in TUs (host byte order) */
76 /** Capability information field in host byte order */
84 /** Timestamp of last Beacon/Probe Response frame */
86 /** Time of the last update (i.e., Beacon or Probe Response RX) */
87 struct os_reltime last_update;
89 struct wpa_bss_anqp *anqp;
90 /** Length of the following IE field in octets (from Probe Response) */
92 /** Length of the following Beacon IE field in octets */
94 /* followed by ie_len octets of IEs */
95 /* followed by beacon_ie_len octets of IEs */
98 void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
99 void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
100 struct wpa_scan_res *res,
101 struct os_reltime *fetch_time);
102 void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
104 int wpa_bss_init(struct wpa_supplicant *wpa_s);
105 void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
106 void wpa_bss_flush(struct wpa_supplicant *wpa_s);
107 void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
108 struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
109 const u8 *ssid, size_t ssid_len);
110 struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
112 struct wpa_bss * wpa_bss_get_bssid_latest(struct wpa_supplicant *wpa_s,
114 struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
116 struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
117 struct wpa_bss * wpa_bss_get_id_range(struct wpa_supplicant *wpa_s,
118 unsigned int idf, unsigned int idl);
119 const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
120 const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
121 const u8 * wpa_bss_get_vendor_ie_beacon(const struct wpa_bss *bss,
123 struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
125 struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss,
127 int wpa_bss_get_max_rate(const struct wpa_bss *bss);
128 int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
129 struct wpa_bss_anqp * wpa_bss_anqp_alloc(void);
130 int wpa_bss_anqp_unshare_alloc(struct wpa_bss *bss);