3 * Copyright (c) 2009-2019, 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)
22 struct wpa_bss_anqp_elem
{
25 struct wpabuf
*payload
;
29 * struct wpa_bss_anqp - ANQP data for a BSS entry (struct wpa_bss)
32 /** Number of BSS entries referring to this ANQP data instance */
34 #ifdef CONFIG_INTERWORKING
35 struct wpabuf
*capability_list
;
36 struct wpabuf
*venue_name
;
37 struct wpabuf
*network_auth_type
;
38 struct wpabuf
*roaming_consortium
;
39 struct wpabuf
*ip_addr_type_availability
;
40 struct wpabuf
*nai_realm
;
41 struct wpabuf
*anqp_3gpp
;
42 struct wpabuf
*domain_name
;
43 struct wpabuf
*fils_realm_info
;
44 struct dl_list anqp_elems
; /* list of struct wpa_bss_anqp_elem */
45 #endif /* CONFIG_INTERWORKING */
47 struct wpabuf
*hs20_capability_list
;
48 struct wpabuf
*hs20_operator_friendly_name
;
49 struct wpabuf
*hs20_wan_metrics
;
50 struct wpabuf
*hs20_connection_capability
;
51 struct wpabuf
*hs20_operating_class
;
52 struct wpabuf
*hs20_osu_providers_list
;
53 struct wpabuf
*hs20_operator_icon_metadata
;
54 struct wpabuf
*hs20_osu_providers_nai_list
;
55 #endif /* CONFIG_HS20 */
59 * struct wpa_bss - BSS table
61 * This structure is used to store information about neighboring BSSes in
62 * generic format. It is mainly updated based on scan results from the driver.
65 /** List entry for struct wpa_supplicant::bss */
67 /** List entry for struct wpa_supplicant::bss_id */
68 struct dl_list list_id
;
69 /** Unique identifier for this BSS entry */
71 /** Number of counts without seeing this BSS */
72 unsigned int scan_miss_count
;
73 /** Index of the last scan update */
74 unsigned int last_update_idx
;
75 /** Information flags about the BSS/IBSS (WPA_BSS_*) */
82 u8 ssid
[SSID_MAX_LEN
];
85 /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
87 /** Beacon interval in TUs (host byte order) */
89 /** Capability information field in host byte order */
97 /** Timestamp of last Beacon/Probe Response frame */
99 /** Time of the last update (i.e., Beacon or Probe Response RX) */
100 struct os_reltime last_update
;
101 /** Estimated throughput in kbps */
102 unsigned int est_throughput
;
103 /** Signal-to-noise ratio in dB */
106 struct wpa_bss_anqp
*anqp
;
107 /** Length of the following IE field in octets (from Probe Response) */
109 /** Length of the following Beacon IE field in octets */
110 size_t beacon_ie_len
;
111 /* followed by ie_len octets of IEs */
112 /* followed by beacon_ie_len octets of IEs */
115 void wpa_bss_update_start(struct wpa_supplicant
*wpa_s
);
116 void wpa_bss_update_scan_res(struct wpa_supplicant
*wpa_s
,
117 struct wpa_scan_res
*res
,
118 struct os_reltime
*fetch_time
);
119 void wpa_bss_remove(struct wpa_supplicant
*wpa_s
, struct wpa_bss
*bss
,
121 void wpa_bss_update_end(struct wpa_supplicant
*wpa_s
, struct scan_info
*info
,
123 int wpa_bss_init(struct wpa_supplicant
*wpa_s
);
124 void wpa_bss_deinit(struct wpa_supplicant
*wpa_s
);
125 void wpa_bss_flush(struct wpa_supplicant
*wpa_s
);
126 void wpa_bss_flush_by_age(struct wpa_supplicant
*wpa_s
, int age
);
127 struct wpa_bss
* wpa_bss_get(struct wpa_supplicant
*wpa_s
, const u8
*bssid
,
128 const u8
*ssid
, size_t ssid_len
);
129 struct wpa_bss
* wpa_bss_get_bssid(struct wpa_supplicant
*wpa_s
,
131 struct wpa_bss
* wpa_bss_get_bssid_latest(struct wpa_supplicant
*wpa_s
,
133 struct wpa_bss
* wpa_bss_get_p2p_dev_addr(struct wpa_supplicant
*wpa_s
,
135 struct wpa_bss
* wpa_bss_get_id(struct wpa_supplicant
*wpa_s
, unsigned int id
);
136 struct wpa_bss
* wpa_bss_get_id_range(struct wpa_supplicant
*wpa_s
,
137 unsigned int idf
, unsigned int idl
);
138 const u8
* wpa_bss_get_ie(const struct wpa_bss
*bss
, u8 ie
);
139 const u8
* wpa_bss_get_vendor_ie(const struct wpa_bss
*bss
, u32 vendor_type
);
140 const u8
* wpa_bss_get_vendor_ie_beacon(const struct wpa_bss
*bss
,
142 struct wpabuf
* wpa_bss_get_vendor_ie_multi(const struct wpa_bss
*bss
,
144 struct wpabuf
* wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss
*bss
,
146 int wpa_bss_get_max_rate(const struct wpa_bss
*bss
);
147 int wpa_bss_get_bit_rates(const struct wpa_bss
*bss
, u8
**rates
);
148 struct wpa_bss_anqp
* wpa_bss_anqp_alloc(void);
149 int wpa_bss_anqp_unshare_alloc(struct wpa_bss
*bss
);
150 const u8
* wpa_bss_get_fils_cache_id(struct wpa_bss
*bss
);
151 int wpa_bss_ext_capab(const struct wpa_bss
*bss
, unsigned int capab
);
153 static inline int bss_is_dmg(const struct wpa_bss
*bss
)
155 return bss
->freq
> 45000;
159 * Test whether a BSS is a PBSS.
160 * This checks whether a BSS is a DMG-band PBSS. PBSS is used for P2P DMG
163 static inline int bss_is_pbss(struct wpa_bss
*bss
)
165 return bss_is_dmg(bss
) &&
166 (bss
->caps
& IEEE80211_CAP_DMG_MASK
) == IEEE80211_CAP_DMG_PBSS
;
169 static inline void wpa_bss_update_level(struct wpa_bss
*bss
, int new_level
)
171 if (bss
!= NULL
&& new_level
< 0)
172 bss
->level
= new_level
;
175 void calculate_update_time(const struct os_reltime
*fetch_time
,
177 struct os_reltime
*update_time
);