bgscan.h revision 281806 
1/*
2 * WPA Supplicant - background scan and roaming interface
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
7 */
8
9#ifndef BGSCAN_H
10#define BGSCAN_H
11
12struct wpa_supplicant;
13struct wpa_ssid;
14
15struct bgscan_ops {
16	const char *name;
17
18	void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
19		       const struct wpa_ssid *ssid);
20	void (*deinit)(void *priv);
21
22	int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
23	void (*notify_beacon_loss)(void *priv);
24	void (*notify_signal_change)(void *priv, int above,
25				     int current_signal,
26				     int current_noise,
27				     int current_txrate);
28};
29
30#ifdef CONFIG_BGSCAN
31
32int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
33		const char *name);
34void bgscan_deinit(struct wpa_supplicant *wpa_s);
35int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
36		       struct wpa_scan_results *scan_res);
37void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
38void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
39				 int current_signal, int current_noise,
40				 int current_txrate);
41
42#else /* CONFIG_BGSCAN */
43
44static inline int bgscan_init(struct wpa_supplicant *wpa_s,
45			      struct wpa_ssid *ssid, const char name)
46{
47	return 0;
48}
49
50static inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
51{
52}
53
54static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
55				     struct wpa_scan_results *scan_res)
56{
57	return 0;
58}
59
60static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
61{
62}
63
64static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
65					       int above, int current_signal,
66					       int current_noise,
67					       int current_txrate)
68{
69}
70
71#endif /* CONFIG_BGSCAN */
72
73#endif /* BGSCAN_H */
74