c739d7e968
This makes it more convenient to match BSS entries that belong to the same homogenous ESS. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
117 lines
3.9 KiB
C
117 lines
3.9 KiB
C
/*
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* BSS table
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* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#ifndef BSS_H
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#define BSS_H
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struct wpa_scan_res;
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#define WPA_BSS_QUAL_INVALID BIT(0)
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#define WPA_BSS_NOISE_INVALID BIT(1)
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#define WPA_BSS_LEVEL_INVALID BIT(2)
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#define WPA_BSS_LEVEL_DBM BIT(3)
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#define WPA_BSS_AUTHENTICATED BIT(4)
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#define WPA_BSS_ASSOCIATED BIT(5)
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#define WPA_BSS_ANQP_FETCH_TRIED BIT(6)
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struct wpa_bss_anqp {
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unsigned int users;
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#ifdef CONFIG_INTERWORKING
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struct wpabuf *venue_name;
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struct wpabuf *network_auth_type;
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struct wpabuf *roaming_consortium;
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struct wpabuf *ip_addr_type_availability;
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struct wpabuf *nai_realm;
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struct wpabuf *anqp_3gpp;
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struct wpabuf *domain_name;
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#endif /* CONFIG_INTERWORKING */
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#ifdef CONFIG_HS20
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struct wpabuf *hs20_operator_friendly_name;
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struct wpabuf *hs20_wan_metrics;
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struct wpabuf *hs20_connection_capability;
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struct wpabuf *hs20_operating_class;
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#endif /* CONFIG_HS20 */
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};
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/**
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* struct wpa_bss - BSS table
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* @list: List entry for struct wpa_supplicant::bss
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* @list_id: List entry for struct wpa_supplicant::bss_id
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* @id: Unique identifier for this BSS entry
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* @scan_miss_count: Number of counts without seeing this BSS
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* @flags: information flags about the BSS/IBSS (WPA_BSS_*)
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* @last_update_idx: Index of the last scan update
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* @bssid: BSSID
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* @hessid: HESSID
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* @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
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* @beacon_int: beacon interval in TUs (host byte order)
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* @caps: capability information field in host byte order
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* @qual: signal quality
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* @noise: noise level
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* @level: signal level
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* @tsf: Timestamp of last Beacon/Probe Response frame
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* @last_update: Time of the last update (i.e., Beacon or Probe Response RX)
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* @ie_len: length of the following IE field in octets (from Probe Response)
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* @beacon_ie_len: length of the following Beacon IE field in octets
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*
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* This structure is used to store information about neighboring BSSes in
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* generic format. It is mainly updated based on scan results from the driver.
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*/
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struct wpa_bss {
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struct dl_list list;
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struct dl_list list_id;
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unsigned int id;
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unsigned int scan_miss_count;
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unsigned int last_update_idx;
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unsigned int flags;
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u8 bssid[ETH_ALEN];
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u8 hessid[ETH_ALEN];
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u8 ssid[32];
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size_t ssid_len;
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int freq;
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u16 beacon_int;
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u16 caps;
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int qual;
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int noise;
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int level;
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u64 tsf;
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struct os_time last_update;
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struct wpa_bss_anqp *anqp;
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size_t ie_len;
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size_t beacon_ie_len;
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/* followed by ie_len octets of IEs */
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/* followed by beacon_ie_len octets of IEs */
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};
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void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
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void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
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struct wpa_scan_res *res);
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void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
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int new_scan);
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int wpa_bss_init(struct wpa_supplicant *wpa_s);
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void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
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void wpa_bss_flush(struct wpa_supplicant *wpa_s);
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void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
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struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
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const u8 *ssid, size_t ssid_len);
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struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
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const u8 *bssid);
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struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
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const u8 *dev_addr);
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struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
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const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
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const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
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struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
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u32 vendor_type);
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struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss,
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u32 vendor_type);
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int wpa_bss_get_max_rate(const struct wpa_bss *bss);
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int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
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struct wpa_bss_anqp * wpa_bss_anqp_alloc(void);
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#endif /* BSS_H */
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