2 * WPA Supplicant - background scan and roaming interface
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
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.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 #include "wpa_supplicant_i.h"
19 #include "config_ssid.h"
22 #ifdef CONFIG_BGSCAN_SIMPLE
23 extern const struct bgscan_ops bgscan_simple_ops;
24 #endif /* CONFIG_BGSCAN_SIMPLE */
25 #ifdef CONFIG_BGSCAN_LEARN
26 extern const struct bgscan_ops bgscan_learn_ops;
27 #endif /* CONFIG_BGSCAN_LEARN */
29 static const struct bgscan_ops * bgscan_modules[] = {
30 #ifdef CONFIG_BGSCAN_SIMPLE
32 #endif /* CONFIG_BGSCAN_SIMPLE */
33 #ifdef CONFIG_BGSCAN_LEARN
35 #endif /* CONFIG_BGSCAN_LEARN */
40 int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
42 const char *name = ssid->bgscan;
46 const struct bgscan_ops *ops = NULL;
52 params = os_strchr(name, ':');
55 nlen = os_strlen(name);
61 for (i = 0; bgscan_modules[i]; i++) {
62 if (os_strncmp(name, bgscan_modules[i]->name, nlen) == 0) {
63 ops = bgscan_modules[i];
69 wpa_printf(MSG_ERROR, "bgscan: Could not find module "
70 "matching the parameter '%s'", name);
74 wpa_s->bgscan_priv = ops->init(wpa_s, params, ssid);
75 if (wpa_s->bgscan_priv == NULL)
78 wpa_printf(MSG_DEBUG, "bgscan: Initialized module '%s' with "
79 "parameters '%s'", ops->name, params);
85 void bgscan_deinit(struct wpa_supplicant *wpa_s)
87 if (wpa_s->bgscan && wpa_s->bgscan_priv) {
88 wpa_printf(MSG_DEBUG, "bgscan: Deinitializing module '%s'",
90 wpa_s->bgscan->deinit(wpa_s->bgscan_priv);
92 wpa_s->bgscan_priv = NULL;
97 int bgscan_notify_scan(struct wpa_supplicant *wpa_s,
98 struct wpa_scan_results *scan_res)
100 if (wpa_s->bgscan && wpa_s->bgscan_priv)
101 return wpa_s->bgscan->notify_scan(wpa_s->bgscan_priv,
107 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
109 if (wpa_s->bgscan && wpa_s->bgscan_priv)
110 wpa_s->bgscan->notify_beacon_loss(wpa_s->bgscan_priv);
114 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
117 if (wpa_s->bgscan && wpa_s->bgscan_priv)
118 wpa_s->bgscan->notify_signal_change(wpa_s->bgscan_priv, above,