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 */
26 static const struct bgscan_ops * bgscan_modules[] = {
27 #ifdef CONFIG_BGSCAN_SIMPLE
29 #endif /* CONFIG_BGSCAN_SIMPLE */
34 int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid)
36 const char *name = ssid->bgscan;
40 const struct bgscan_ops *ops = NULL;
46 params = os_strchr(name, ':');
49 nlen = os_strlen(name);
55 for (i = 0; bgscan_modules[i]; i++) {
56 if (os_strncmp(name, bgscan_modules[i]->name, nlen) == 0) {
57 ops = bgscan_modules[i];
63 wpa_printf(MSG_ERROR, "bgscan: Could not find module "
64 "matching the parameter '%s'", name);
68 wpa_s->bgscan_priv = ops->init(wpa_s, params, ssid);
69 if (wpa_s->bgscan_priv == NULL)
72 wpa_printf(MSG_DEBUG, "bgscan: Initialized module '%s' with "
73 "parameters '%s'", ops->name, params);
79 void bgscan_deinit(struct wpa_supplicant *wpa_s)
81 if (wpa_s->bgscan && wpa_s->bgscan_priv) {
82 wpa_printf(MSG_DEBUG, "bgscan: Deinitializing module '%s'",
84 wpa_s->bgscan->deinit(wpa_s->bgscan_priv);
86 wpa_s->bgscan_priv = NULL;
91 int bgscan_notify_scan(struct wpa_supplicant *wpa_s)
93 if (wpa_s->bgscan && wpa_s->bgscan_priv)
94 return wpa_s->bgscan->notify_scan(wpa_s->bgscan_priv);
99 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
101 if (wpa_s->bgscan && wpa_s->bgscan_priv)
102 wpa_s->bgscan->notify_beacon_loss(wpa_s->bgscan_priv);
106 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above)
108 if (wpa_s->bgscan && wpa_s->bgscan_priv)
109 wpa_s->bgscan->notify_signal_change(wpa_s->bgscan_priv, above);