bgscan.h revision 1.1.1.1 
1/*
2 * WPA Supplicant - background scan and roaming interface
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
8 *
9 * Alternatively, this software may be distributed under the terms of BSD
10 * license.
11 *
12 * See README and COPYING for more details.
13 */
14
15#ifndef BGSCAN_H
16#define BGSCAN_H
17
18struct wpa_supplicant;
19struct wpa_ssid;
20
21struct bgscan_ops {
22	const char *name;
23
24	void * (*init)(struct wpa_supplicant *wpa_s, const char *params,
25		       const struct wpa_ssid *ssid);
26	void (*deinit)(void *priv);
27
28	int (*notify_scan)(void *priv);
29	void (*notify_beacon_loss)(void *priv);
30	void (*notify_signal_change)(void *priv, int above);
31};
32
33#ifdef CONFIG_BGSCAN
34
35int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
36void bgscan_deinit(struct wpa_supplicant *wpa_s);
37int bgscan_notify_scan(struct wpa_supplicant *wpa_s);
38void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
39void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above);
40
41#else /* CONFIG_BGSCAN */
42
43static inline int bgscan_init(struct wpa_supplicant *wpa_s,
44			      struct wpa_ssid *ssid)
45{
46	return 0;
47}
48
49static inline void bgscan_deinit(struct wpa_supplicant *wpa_s)
50{
51}
52
53static inline int bgscan_notify_scan(struct wpa_supplicant *wpa_s)
54{
55	return 0;
56}
57
58static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
59{
60}
61
62static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
63					       int above)
64{
65}
66
67#endif /* CONFIG_BGSCAN */
68
69#endif /* BGSCAN_H */
70