174fa7898e
bgscan modules can potentially get a richer feel for the channel condition and make better choices about scan/no-scan and roam/no-roam.
78 lines
2 KiB
C
78 lines
2 KiB
C
/*
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* WPA Supplicant - background scan and roaming interface
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* Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef BGSCAN_H
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#define BGSCAN_H
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struct wpa_supplicant;
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struct wpa_ssid;
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struct bgscan_ops {
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const char *name;
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void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
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const struct wpa_ssid *ssid);
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void (*deinit)(void *priv);
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int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
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void (*notify_beacon_loss)(void *priv);
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void (*notify_signal_change)(void *priv, int above,
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int current_signal,
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int current_noise,
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int current_txrate);
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};
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#ifdef CONFIG_BGSCAN
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int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
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void bgscan_deinit(struct wpa_supplicant *wpa_s);
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int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
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struct wpa_scan_results *scan_res);
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void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
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void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
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int current_signal, int current_noise,
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int current_txrate);
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#else /* CONFIG_BGSCAN */
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static inline int bgscan_init(struct wpa_supplicant *wpa_s,
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struct wpa_ssid *ssid)
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{
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return 0;
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}
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static inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
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{
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}
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static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
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struct wpa_scan_results *scan_res)
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{
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return 0;
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}
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static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
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{
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}
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static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
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int above, int current_signal,
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int current_noise,
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int current_txrate)
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{
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}
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#endif /* CONFIG_BGSCAN */
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#endif /* BGSCAN_H */
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