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_capability_list;
39 struct wpabuf *hs20_operator_friendly_name;
40 struct wpabuf *hs20_wan_metrics;
41 struct wpabuf *hs20_connection_capability;
42 struct wpabuf *hs20_operating_class;
43 struct wpabuf *hs20_osu_providers_list;
44 #endif /* CONFIG_HS20 */
48 * struct wpa_bss - BSS table
50 * This structure is used to store information about neighboring BSSes in
51 * generic format. It is mainly updated based on scan results from the driver.
54 /** List entry for struct wpa_supplicant::bss */
56 /** List entry for struct wpa_supplicant::bss_id */
57 struct dl_list list_id;
58 /** Unique identifier for this BSS entry */
60 /** Number of counts without seeing this BSS */
61 unsigned int scan_miss_count;
62 /** Index of the last scan update */
63 unsigned int last_update_idx;
64 /** Information flags about the BSS/IBSS (WPA_BSS_*) */
74 /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
76 /** Beacon interval in TUs (host byte order) */
78 /** Capability information field in host byte order */
86 /** Timestamp of last Beacon/Probe Response frame */
88 /** Time of the last update (i.e., Beacon or Probe Response RX) */
89 struct os_reltime last_update;
91 struct wpa_bss_anqp *anqp;
92 /** Length of the following IE field in octets (from Probe Response) */
94 /** Length of the following Beacon IE field in octets */
96 /* followed by ie_len octets of IEs */
97 /* followed by beacon_ie_len octets of IEs */
100 void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
101 void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
102 struct wpa_scan_res *res,
103 struct os_reltime *fetch_time);
104 void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
106 int wpa_bss_init(struct wpa_supplicant *wpa_s);
107 void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
108 void wpa_bss_flush(struct wpa_supplicant *wpa_s);
109 void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
110 struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
111 const u8 *ssid, size_t ssid_len);
112 struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
114 struct wpa_bss * wpa_bss_get_bssid_latest(struct wpa_supplicant *wpa_s,
116 struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
118 struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
119 struct wpa_bss * wpa_bss_get_id_range(struct wpa_supplicant *wpa_s,
120 unsigned int idf, unsigned int idl);
121 const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
122 const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
123 const u8 * wpa_bss_get_vendor_ie_beacon(const struct wpa_bss *bss,
125 struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
127 struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss,
129 int wpa_bss_get_max_rate(const struct wpa_bss *bss);
130 int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
131 struct wpa_bss_anqp * wpa_bss_anqp_alloc(void);
132 int wpa_bss_anqp_unshare_alloc(struct wpa_bss *bss);
134 static inline int bss_is_dmg(const struct wpa_bss *bss)
136 return bss->freq > 45000;