1 /* 2 * WPA Supplicant - background scan and roaming interface 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) 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 */ 74
