Home | History | Annotate | Line # | Download | only in wpa_supplicant
bgscan.h revision 1.1.1.1.12.1 
      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