bss.h

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#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 {
        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 {
        struct dl_list list;
        struct dl_list list_id;
        unsigned int id;
        unsigned int scan_miss_count;
        unsigned int last_update_idx;
        unsigned int flags;
        u8 bssid[ETH_ALEN];
        u8 hessid[ETH_ALEN];
        u8 ssid[SSID_MAX_LEN];
        size_t ssid_len;
        int freq;
        u16 beacon_int;
        u16 caps;
        int qual;
        int noise;
        int level;
        u64 tsf;
        struct os_reltime last_update;
        unsigned int est_throughput;
        int snr;
        struct wpa_bss_anqp *anqp;
        size_t ie_len;
        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 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 */