contrib/wpa_supplicant/wpa_supplicant/bgscan.h

   1 /*
   2  * WPA Supplicant - background scan and roaming interface
   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 BGSCAN_H
  10 #define BGSCAN_H
  11
  12 struct wpa_supplicant;
  13 struct wpa_ssid;
  14
  15 struct bgscan_ops {
  16         const char *name;
  17
  18         void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
  19                        const struct wpa_ssid *ssid);
  20         void (*deinit)(void *priv);
  21
  22         int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
  23         void (*notify_beacon_loss)(void *priv);
  24         void (*notify_signal_change)(void *priv, int above,
  25                                      int current_signal,
  26                                      int current_noise,
  27                                      int current_txrate);
  28 };
  29
  30 #ifdef CONFIG_BGSCAN
  31
  32 int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
  33                 const char *name);
  34 void bgscan_deinit(struct wpa_supplicant *wpa_s);
  35 int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
  36                        struct wpa_scan_results *scan_res);
  37 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
  38 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
  39                                  int current_signal, int current_noise,
  40                                  int current_txrate);
  41
  42 #else /* CONFIG_BGSCAN */
  43
  44 static inline int bgscan_init(struct wpa_supplicant *wpa_s,
  45                               struct wpa_ssid *ssid, const char name)
  46 {
  47         return 0;
  48 }
  49
  50 static inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
  51 {
  52 }
  53
  54 static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
  55                                      struct wpa_scan_results *scan_res)
  56 {
  57         return 0;
  58 }
  59
  60 static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
  61 {
  62 }
  63
  64 static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
  65                                                int above, int current_signal,
  66                                                int current_noise,
  67                                                int current_txrate)
  68 {
  69 }
  70
  71 #endif /* CONFIG_BGSCAN */
  72
  73 #endif /* BGSCAN_H */