2 * WPA Supplicant - background scan and roaming interface
3 * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "wpa_supplicant_i.h"
13 #include "config_ssid.h"
16 #ifdef CONFIG_BGSCAN_SIMPLE
17 extern const struct bgscan_ops bgscan_simple_ops;
18 #endif /* CONFIG_BGSCAN_SIMPLE */
19 #ifdef CONFIG_BGSCAN_LEARN
20 extern const struct bgscan_ops bgscan_learn_ops;
21 #endif /* CONFIG_BGSCAN_LEARN */
23 static const struct bgscan_ops * bgscan_modules[] = {
24 #ifdef CONFIG_BGSCAN_SIMPLE
26 #endif /* CONFIG_BGSCAN_SIMPLE */
27 #ifdef CONFIG_BGSCAN_LEARN
29 #endif /* CONFIG_BGSCAN_LEARN */
34 int bgscan_init(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
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,
92 struct wpa_scan_results *scan_res)
94 if (wpa_s->bgscan && wpa_s->bgscan_priv)
95 return wpa_s->bgscan->notify_scan(wpa_s->bgscan_priv,
101 void bgscan_notify_beacon_loss(struct wpa_supplicant *wpa_s)
103 if (wpa_s->bgscan && wpa_s->bgscan_priv)
104 wpa_s->bgscan->notify_beacon_loss(wpa_s->bgscan_priv);
108 void bgscan_notify_signal_change(struct wpa_supplicant *wpa_s, int above,
109 int current_signal, int current_noise,
112 if (wpa_s->bgscan && wpa_s->bgscan_priv)
113 wpa_s->bgscan->notify_signal_change(wpa_s->bgscan_priv, above,