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 void bgscan_deinit(struct wpa_supplicant *wpa_s); 34 int bgscan_notify_scan(struct wpa_supplicant *wpa_s, 35 struct wpa_scan_results *scan_res); 36 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s); 37 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above, 38 int current_signal, int current_noise, 39 int current_txrate); 40 41 #else /* CONFIG_BGSCAN */ 42 43 static inline int bgscan_init(struct wpa_supplicant *wpa_s, 44 struct wpa_ssid *ssid) 45 { 46 return 0; 47 } 48 49 static inline void bgscan_deinit(struct wpa_supplicant *wpa_s) 50 { 51 } 52 53 static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s, 54 struct wpa_scan_results *scan_res) 55 { 56 return 0; 57 } 58 59 static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s) 60 { 61 } 62 63 static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, 64 int above, int current_signal, 65 int current_noise, 66 int current_txrate) 67 { 68 } 69 70 #endif /* CONFIG_BGSCAN */ 71 72 #endif /* BGSCAN_H */ 73