1 /* 2 * WPA Supplicant - background scan and roaming interface 3 * Copyright (c) 2009-2010, Jouni Malinen <j (at) w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15 #ifndef BGSCAN_H 16 #define BGSCAN_H 17 18 struct wpa_supplicant; 19 struct wpa_ssid; 20 21 struct bgscan_ops { 22 const char *name; 23 24 void * (*init)(struct wpa_supplicant *wpa_s, const char *params, 25 const struct wpa_ssid *ssid); 26 void (*deinit)(void *priv); 27 28 int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res); 29 void (*notify_beacon_loss)(void *priv); 30 void (*notify_signal_change)(void *priv, int above, 31 int current_signal, 32 int current_noise, 33 int current_txrate); 34 }; 35 36 #ifdef CONFIG_BGSCAN 37 38 int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid); 39 void bgscan_deinit(struct wpa_supplicant *wpa_s); 40 int bgscan_notify_scan(struct wpa_supplicant *wpa_s, 41 struct wpa_scan_results *scan_res); 42 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s); 43 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above, 44 int current_signal, int current_noise, 45 int current_txrate); 46 47 #else /* CONFIG_BGSCAN */ 48 49 static inline int bgscan_init(struct wpa_supplicant *wpa_s, 50 struct wpa_ssid *ssid) 51 { 52 return 0; 53 } 54 55 static inline void bgscan_deinit(struct wpa_supplicant *wpa_s) 56 { 57 } 58 59 static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s, 60 struct wpa_scan_results *scan_res) 61 { 62 return 0; 63 } 64 65 static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s) 66 { 67 } 68 69 static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, 70 int above, int current_signal, 71 int current_noise, 72 int current_txrate) 73 { 74 } 75 76 #endif /* CONFIG_BGSCAN */ 77 78 #endif /* BGSCAN_H */ 79
