hostap/wpa_supplicant/bgscan.h
Paul Stewart 174fa7898e bgscan: Add new channel condition parameters to signal change events
bgscan modules can potentially get a richer feel for the channel
condition and make better choices about scan/no-scan and roam/no-roam.
2010-10-12 20:03:36 +03:00

78 lines
2 KiB
C

/*
* WPA Supplicant - background scan and roaming interface
* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef BGSCAN_H
#define BGSCAN_H
struct wpa_supplicant;
struct wpa_ssid;
struct bgscan_ops {
const char *name;
void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
const struct wpa_ssid *ssid);
void (*deinit)(void *priv);
int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
void (*notify_beacon_loss)(void *priv);
void (*notify_signal_change)(void *priv, int above,
int current_signal,
int current_noise,
int current_txrate);
};
#ifdef CONFIG_BGSCAN
int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
void bgscan_deinit(struct wpa_supplicant *wpa_s);
int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res);
void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
int current_signal, int current_noise,
int current_txrate);
#else /* CONFIG_BGSCAN */
static inline int bgscan_init(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid)
{
return 0;
}
static inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
{
}
static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res)
{
return 0;
}
static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
{
}
static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
int above, int current_signal,
int current_noise,
int current_txrate)
{
}
#endif /* CONFIG_BGSCAN */
#endif /* BGSCAN_H */