18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/*
28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * WPA Supplicant - background scan and roaming interface
38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *
5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license.
6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details.
78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */
88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef BGSCAN_H
108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define BGSCAN_H
118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_supplicant;
138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_ssid;
148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct bgscan_ops {
168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	const char *name;
178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt		       const struct wpa_ssid *ssid);
208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	void (*deinit)(void *priv);
218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	void (*notify_beacon_loss)(void *priv);
248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	void (*notify_signal_change)(void *priv, int above,
258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				     int current_signal,
268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				     int current_noise,
278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				     int current_txrate);
288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt};
298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_BGSCAN
318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid bgscan_deinit(struct wpa_supplicant *wpa_s);
348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint bgscan_notify_scan(struct wpa_supplicant *wpa_s,
358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt		       struct wpa_scan_results *scan_res);
368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				 int current_signal, int current_noise,
398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				 int current_txrate);
408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_BGSCAN */
428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int bgscan_init(struct wpa_supplicant *wpa_s,
448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt			      struct wpa_ssid *ssid)
458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{
468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	return 0;
478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}
488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{
518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}
528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt				     struct wpa_scan_results *scan_res)
558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{
568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt	return 0;
578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}
588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{
618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}
628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt					       int above, int current_signal,
658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt					       int current_noise,
668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt					       int current_txrate)
678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{
688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}
698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_BGSCAN */
718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt
728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* BGSCAN_H */
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