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e2f74005f5
This allows bgscan modules to use more information to decide on when to perform background scans. bgscan_simple can now change between short and long background scan intervals based on signal strength and in addition, it can trigger immediate scans when the signal strength is detected to be dropping. bgscan_simple takes following parameters now: short interval:signal strength threshold:long interval For example: bgscan="simple:30:-45:300"
70 lines
1.6 KiB
C
70 lines
1.6 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);
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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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};
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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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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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#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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{
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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)
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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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