/*
* BSS table
- * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2009-2015, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#ifndef BSS_H
#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 *capability_list;
+ 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_capability_list;
+ struct wpabuf *hs20_operator_friendly_name;
+ struct wpabuf *hs20_wan_metrics;
+ struct wpabuf *hs20_connection_capability;
+ struct wpabuf *hs20_operating_class;
+ struct wpabuf *hs20_osu_providers_list;
+#endif /* CONFIG_HS20 */
+};
/**
* struct wpa_bss - BSS table
- * @list: List entry for struct wpa_supplicant::bss
- * @list_id: List entry for struct wpa_supplicant::bss_id
- * @id: Unique identifier for this BSS entry
- * @scan_miss_count: Number of counts without seeing this BSS
- * @flags: information flags about the BSS/IBSS (WPA_BSS_*)
- * @last_update_idx: Index of the last scan update
- * @bssid: BSSID
- * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
- * @beacon_int: beacon interval in TUs (host byte order)
- * @caps: capability information field in host byte order
- * @qual: signal quality
- * @noise: noise level
- * @level: signal level
- * @tsf: Timestamp of last Beacon/Probe Response frame
- * @last_update: Time of the last update (i.e., Beacon or Probe Response RX)
- * @ie_len: length of the following IE field in octets (from Probe Response)
- * @beacon_ie_len: length of the following Beacon IE field in octets
*
* 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];
- u8 ssid[32];
+ /** HESSID */
+ u8 hessid[ETH_ALEN];
+ /** SSID */
+ u8 ssid[SSID_MAX_LEN];
+ /** 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;
- struct os_time last_update;
+ /** Time of the last update (i.e., Beacon or Probe Response RX) */
+ struct os_reltime last_update;
+ /** Estimated throughput in kbps */
+ unsigned int est_throughput;
+ /** Signal-to-noise ratio in dB */
+ int snr;
+ /** 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);
+ struct wpa_scan_res *res,
+ struct os_reltime *fetch_time);
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_bssid_latest(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);
+struct wpa_bss * wpa_bss_get_id_range(struct wpa_supplicant *wpa_s,
+ unsigned int idf, unsigned int idl);
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);
+const u8 * wpa_bss_get_vendor_ie_beacon(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);
+
+static inline int bss_is_dmg(const struct wpa_bss *bss)
+{
+ return bss->freq > 45000;
+}
+
+static inline void wpa_bss_update_level(struct wpa_bss *bss, int new_level)
+{
+ if (bss != NULL && new_level < 0)
+ bss->level = new_level;
+}
#endif /* BSS_H */
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