bgscan.h revision 252726 
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);
33void bgscan_deinit(struct wpa_supplicant *wpa_s);
34int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
35		       struct wpa_scan_results *scan_res);
36void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s);
37void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
38				 int current_signal, int current_noise,
39				 int current_txrate);
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				     struct wpa_scan_results *scan_res)
55{
56	return 0;
57}
58
59static inline void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
60{
61}
62
63static inline void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s,
64					       int above, int current_signal,
65					       int current_noise,
66					       int current_txrate)
67{
68}
69
70#endif /* CONFIG_BGSCAN */
71
72#endif /* BGSCAN_H */
73