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 struct wpabuf
*hs20_osu_providers_list
;
43 #endif /* CONFIG_HS20 */
47 * struct wpa_bss - BSS table
49 * This structure is used to store information about neighboring BSSes in
50 * generic format. It is mainly updated based on scan results from the driver.
53 /** List entry for struct wpa_supplicant::bss */
55 /** List entry for struct wpa_supplicant::bss_id */
56 struct dl_list list_id
;
57 /** Unique identifier for this BSS entry */
59 /** Number of counts without seeing this BSS */
60 unsigned int scan_miss_count
;
61 /** Index of the last scan update */
62 unsigned int last_update_idx
;
63 /** Information flags about the BSS/IBSS (WPA_BSS_*) */
73 /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
75 /** Beacon interval in TUs (host byte order) */
77 /** Capability information field in host byte order */
85 /** Timestamp of last Beacon/Probe Response frame */
87 /** Time of the last update (i.e., Beacon or Probe Response RX) */
88 struct os_reltime last_update
;
90 struct wpa_bss_anqp
*anqp
;
91 /** Length of the following IE field in octets (from Probe Response) */
93 /** Length of the following Beacon IE field in octets */
95 /* followed by ie_len octets of IEs */
96 /* followed by beacon_ie_len octets of IEs */
99 void wpa_bss_update_start(struct wpa_supplicant
*wpa_s
);
100 void wpa_bss_update_scan_res(struct wpa_supplicant
*wpa_s
,
101 struct wpa_scan_res
*res
,
102 struct os_reltime
*fetch_time
);
103 void wpa_bss_update_end(struct wpa_supplicant
*wpa_s
, struct scan_info
*info
,
105 int wpa_bss_init(struct wpa_supplicant
*wpa_s
);
106 void wpa_bss_deinit(struct wpa_supplicant
*wpa_s
);
107 void wpa_bss_flush(struct wpa_supplicant
*wpa_s
);
108 void wpa_bss_flush_by_age(struct wpa_supplicant
*wpa_s
, int age
);
109 struct wpa_bss
* wpa_bss_get(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
110 const u8
*ssid
, size_t ssid_len
);
111 struct wpa_bss
* wpa_bss_get_bssid(struct wpa_supplicant
*wpa_s
,
113 struct wpa_bss
* wpa_bss_get_bssid_latest(struct wpa_supplicant
*wpa_s
,
115 struct wpa_bss
* wpa_bss_get_p2p_dev_addr(struct wpa_supplicant
*wpa_s
,
117 struct wpa_bss
* wpa_bss_get_id(struct wpa_supplicant
*wpa_s
, unsigned int id
);
118 struct wpa_bss
* wpa_bss_get_id_range(struct wpa_supplicant
*wpa_s
,
119 unsigned int idf
, unsigned int idl
);
120 const u8
* wpa_bss_get_ie(const struct wpa_bss
*bss
, u8 ie
);
121 const u8
* wpa_bss_get_vendor_ie(const struct wpa_bss
*bss
, u32 vendor_type
);
122 const u8
* wpa_bss_get_vendor_ie_beacon(const struct wpa_bss
*bss
,
124 struct wpabuf
* wpa_bss_get_vendor_ie_multi(const struct wpa_bss
*bss
,
126 struct wpabuf
* wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss
*bss
,
128 int wpa_bss_get_max_rate(const struct wpa_bss
*bss
);
129 int wpa_bss_get_bit_rates(const struct wpa_bss
*bss
, u8
**rates
);
130 struct wpa_bss_anqp
* wpa_bss_anqp_alloc(void);
131 int wpa_bss_anqp_unshare_alloc(struct wpa_bss
*bss
);
133 static inline int bss_is_dmg(const struct wpa_bss
*bss
)
135 return bss
->freq
> 45000;