LCOV - code coverage report
Current view: top level - wpa_supplicant - bss.h (source / functions) Hit Total Coverage
Test: wpa_supplicant/hostapd combined for hwsim test run 1422976643 Lines: 2 2 100.0 %
Date: 2015-02-03 Functions: 1 1 100.0 %

          Line data    Source code
       1             : /*
       2             :  * BSS table
       3             :  * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
       4             :  *
       5             :  * This software may be distributed under the terms of the BSD license.
       6             :  * See README for more details.
       7             :  */
       8             : 
       9             : #ifndef BSS_H
      10             : #define BSS_H
      11             : 
      12             : struct wpa_scan_res;
      13             : 
      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)
      21             : 
      22             : /**
      23             :  * struct wpa_bss_anqp - ANQP data for a BSS entry (struct wpa_bss)
      24             :  */
      25             : struct wpa_bss_anqp {
      26             :         /** Number of BSS entries referring to this ANQP data instance */
      27             :         unsigned int users;
      28             : #ifdef CONFIG_INTERWORKING
      29             :         struct wpabuf *venue_name;
      30             :         struct wpabuf *network_auth_type;
      31             :         struct wpabuf *roaming_consortium;
      32             :         struct wpabuf *ip_addr_type_availability;
      33             :         struct wpabuf *nai_realm;
      34             :         struct wpabuf *anqp_3gpp;
      35             :         struct wpabuf *domain_name;
      36             : #endif /* CONFIG_INTERWORKING */
      37             : #ifdef CONFIG_HS20
      38             :         struct wpabuf *hs20_operator_friendly_name;
      39             :         struct wpabuf *hs20_wan_metrics;
      40             :         struct wpabuf *hs20_connection_capability;
      41             :         struct wpabuf *hs20_operating_class;
      42             :         struct wpabuf *hs20_osu_providers_list;
      43             : #endif /* CONFIG_HS20 */
      44             : };
      45             : 
      46             : /**
      47             :  * struct wpa_bss - BSS table
      48             :  *
      49             :  * This structure is used to store information about neighboring BSSes in
      50             :  * generic format. It is mainly updated based on scan results from the driver.
      51             :  */
      52             : struct wpa_bss {
      53             :         /** List entry for struct wpa_supplicant::bss */
      54             :         struct dl_list list;
      55             :         /** List entry for struct wpa_supplicant::bss_id */
      56             :         struct dl_list list_id;
      57             :         /** Unique identifier for this BSS entry */
      58             :         unsigned int id;
      59             :         /** Number of counts without seeing this BSS */
      60             :         unsigned int scan_miss_count;
      61             :         /** Index of the last scan update */
      62             :         unsigned int last_update_idx;
      63             :         /** Information flags about the BSS/IBSS (WPA_BSS_*) */
      64             :         unsigned int flags;
      65             :         /** BSSID */
      66             :         u8 bssid[ETH_ALEN];
      67             :         /** HESSID */
      68             :         u8 hessid[ETH_ALEN];
      69             :         /** SSID */
      70             :         u8 ssid[32];
      71             :         /** Length of SSID */
      72             :         size_t ssid_len;
      73             :         /** Frequency of the channel in MHz (e.g., 2412 = channel 1) */
      74             :         int freq;
      75             :         /** Beacon interval in TUs (host byte order) */
      76             :         u16 beacon_int;
      77             :         /** Capability information field in host byte order */
      78             :         u16 caps;
      79             :         /** Signal quality */
      80             :         int qual;
      81             :         /** Noise level */
      82             :         int noise;
      83             :         /** Signal level */
      84             :         int level;
      85             :         /** Timestamp of last Beacon/Probe Response frame */
      86             :         u64 tsf;
      87             :         /** Time of the last update (i.e., Beacon or Probe Response RX) */
      88             :         struct os_reltime last_update;
      89             :         /** ANQP data */
      90             :         struct wpa_bss_anqp *anqp;
      91             :         /** Length of the following IE field in octets (from Probe Response) */
      92             :         size_t ie_len;
      93             :         /** Length of the following Beacon IE field in octets */
      94             :         size_t beacon_ie_len;
      95             :         /* followed by ie_len octets of IEs */
      96             :         /* followed by beacon_ie_len octets of IEs */
      97             : };
      98             : 
      99             : void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
     100             : void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
     101             :                              struct wpa_scan_res *res,
     102             :                              struct os_reltime *fetch_time);
     103             : void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
     104             :                         int new_scan);
     105             : int wpa_bss_init(struct wpa_supplicant *wpa_s);
     106             : void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
     107             : void wpa_bss_flush(struct wpa_supplicant *wpa_s);
     108             : void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
     109             : struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
     110             :                              const u8 *ssid, size_t ssid_len);
     111             : struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
     112             :                                    const u8 *bssid);
     113             : struct wpa_bss * wpa_bss_get_bssid_latest(struct wpa_supplicant *wpa_s,
     114             :                                           const u8 *bssid);
     115             : struct wpa_bss * wpa_bss_get_p2p_dev_addr(struct wpa_supplicant *wpa_s,
     116             :                                           const u8 *dev_addr);
     117             : struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
     118             : struct wpa_bss * wpa_bss_get_id_range(struct wpa_supplicant *wpa_s,
     119             :                                       unsigned int idf, unsigned int idl);
     120             : const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
     121             : const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
     122             : const u8 * wpa_bss_get_vendor_ie_beacon(const struct wpa_bss *bss,
     123             :                                         u32 vendor_type);
     124             : struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
     125             :                                             u32 vendor_type);
     126             : struct wpabuf * wpa_bss_get_vendor_ie_multi_beacon(const struct wpa_bss *bss,
     127             :                                                    u32 vendor_type);
     128             : int wpa_bss_get_max_rate(const struct wpa_bss *bss);
     129             : int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
     130             : struct wpa_bss_anqp * wpa_bss_anqp_alloc(void);
     131             : int wpa_bss_anqp_unshare_alloc(struct wpa_bss *bss);
     132             : 
     133        3981 : static inline int bss_is_dmg(const struct wpa_bss *bss)
     134             : {
     135        3981 :         return bss->freq > 45000;
     136             : }
     137             : 
     138             : #endif /* BSS_H */

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