1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
* BSS table
* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef BSS_H
#define BSS_H
struct wpa_scan_res;
#define WPA_BSS_QUAL_INVALID BIT(0)
#define WPA_BSS_NOISE_INVALID BIT(1)
#define WPA_BSS_LEVEL_INVALID BIT(2)
#define WPA_BSS_LEVEL_DBM BIT(3)
#define WPA_BSS_AUTHENTICATED BIT(4)
#define WPA_BSS_ASSOCIATED BIT(5)
#define WPA_BSS_ANQP_FETCH_TRIED BIT(6)
/**
* struct wpa_bss_anqp - ANQP data for a BSS entry (struct wpa_bss)
*/
struct wpa_bss_anqp {
/** Number of BSS entries referring to this ANQP data instance */
unsigned int users;
#ifdef CONFIG_INTERWORKING
struct wpabuf *venue_name;
struct wpabuf *network_auth_type;
struct wpabuf *roaming_consortium;
struct wpabuf *ip_addr_type_availability;
struct wpabuf *nai_realm;
struct wpabuf *anqp_3gpp;
struct wpabuf *domain_name;
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_HS20
struct wpabuf *hs20_operator_friendly_name;
struct wpabuf *hs20_wan_metrics;
struct wpabuf *hs20_connection_capability;
struct wpabuf *hs20_operating_class;
#endif /* CONFIG_HS20 */
};
/**
* struct wpa_bss - BSS table
*
* This structure is used to store information about neighboring BSSes in
* generic format. It is mainly updated based on scan results from the driver.
*/
struct wpa_bss {
/** List entry for struct wpa_supplicant::bss */
struct dl_list list;
/** List entry for struct wpa_supplicant::bss_id */
struct dl_list list_id;
/** Unique identifier for this BSS entry */
unsigned int id;
/** Number of counts without seeing this BSS */
unsigned int scan_miss_count;
/** Index of the last scan update */
unsigned int last_update_idx;
/** Information flags about the BSS/IBSS (WPA_BSS_*) */
unsigned int flags;
/** BSSID */
u8 bssid[ETH_ALEN];
/** HESSID */
u8 hessid[ETH_ALEN];
/** SSID */
u8 ssid[32];
/** Length of SSID */
size_t ssid_len;
/** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
int freq;
/** Beacon interval in TUs (host byte order) */
u16 beacon_int;
/** Capability information field in host byte order */
u16 caps;
/** Signal quality */
int qual;
/** Noise level */
int noise;
/** Signal level */
int level;
/** Timestamp of last Beacon/Probe Response frame */
u64 tsf;
/** Time of the last update (i.e., Beacon or Probe Response RX) */
struct os_time last_update;
/** ANQP data */
struct wpa_bss_anqp *anqp;
/** Length of the following IE field in octets (from Probe Response) */
size_t ie_len;
/** Length of the following Beacon IE field in octets */
size_t beacon_ie_len;
/* followed by ie_len octets of IEs */
/* followed by beacon_ie_len octets of IEs */
};
void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
struct wpa_scan_res *res);
void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
int new_scan);
int wpa_bss_init(struct wpa_supplicant *wpa_s);
void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
void wpa_bss_flush(struct wpa_supplicant *wpa_s);
void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
const u8 *ssid, size_t ssid_len);
struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
const u8 *bssid);
struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
const u8 *dev_addr);
struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
u32 vendor_type);
struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss,
u32 vendor_type);
int wpa_bss_get_max_rate(const struct wpa_bss *bss);
int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
struct wpa_bss_anqp * wpa_bss_anqp_alloc(void);
int wpa_bss_anqp_unshare_alloc(struct wpa_bss *bss);
#endif /* BSS_H */
|
