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fragattacks/wpa_supplicant/autoscan.h

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Add automatic scanning support Like bgscan, autoscan is an optional module based feature to automate scanning but while disconnected or inactive. Instead of requesting directly a scan, it only sets the scan_interval and the sched_scan_interval. So, if the driver supports sched_scan, autoscan will be able to tweak its interval. Otherwise, the tweaked scan_interval will be used. If scan parameters needs to be tweaked, an autoscan_params pointer in wpa_s will provide those. So req_scan / req_sched_scan will not set the scan parameters as they usually do, but instead will use this pointer. Modules will not have to request a scan directly, like bgscan does. Instead, it will need to return the interval it wants after each notification. Signed-hostap: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2012-06-26 11:55:41 -04:00
/*
* WPA Supplicant - auto scan
* Copyright (c) 2012, Intel Corporation. All rights reserved.
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#ifndef AUTOSCAN_H
#define AUTOSCAN_H
struct wpa_supplicant;
struct autoscan_ops {
const char *name;
void * (*init)(struct wpa_supplicant *wpa_s, const char *params);
void (*deinit)(void *priv);
int (*notify_scan)(void *priv, struct wpa_scan_results *scan_res);
};
#ifdef CONFIG_AUTOSCAN
Start autoscan for first connection attempt Use wpa_supplicant_set_state() to initialize state to DISCONNECT so that autoscan gets initialized properly. This needs a change in autoscan_init() to avoid extra scan request that would postpone the first scan request when an interface is added. Signed-hostap: Jouni Malinen <j@w1.fi>
2012-06-26 12:52:46 -04:00
int autoscan_init(struct wpa_supplicant *wpa_s, int req_scan);
Add automatic scanning support Like bgscan, autoscan is an optional module based feature to automate scanning but while disconnected or inactive. Instead of requesting directly a scan, it only sets the scan_interval and the sched_scan_interval. So, if the driver supports sched_scan, autoscan will be able to tweak its interval. Otherwise, the tweaked scan_interval will be used. If scan parameters needs to be tweaked, an autoscan_params pointer in wpa_s will provide those. So req_scan / req_sched_scan will not set the scan parameters as they usually do, but instead will use this pointer. Modules will not have to request a scan directly, like bgscan does. Instead, it will need to return the interval it wants after each notification. Signed-hostap: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2012-06-26 11:55:41 -04:00
void autoscan_deinit(struct wpa_supplicant *wpa_s);
int autoscan_notify_scan(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res);
#else /* CONFIG_AUTOSCAN */
Start autoscan for first connection attempt Use wpa_supplicant_set_state() to initialize state to DISCONNECT so that autoscan gets initialized properly. This needs a change in autoscan_init() to avoid extra scan request that would postpone the first scan request when an interface is added. Signed-hostap: Jouni Malinen <j@w1.fi>
2012-06-26 12:52:46 -04:00
static inline int autoscan_init(struct wpa_supplicant *wpa_s, int req_scan)
Add automatic scanning support Like bgscan, autoscan is an optional module based feature to automate scanning but while disconnected or inactive. Instead of requesting directly a scan, it only sets the scan_interval and the sched_scan_interval. So, if the driver supports sched_scan, autoscan will be able to tweak its interval. Otherwise, the tweaked scan_interval will be used. If scan parameters needs to be tweaked, an autoscan_params pointer in wpa_s will provide those. So req_scan / req_sched_scan will not set the scan parameters as they usually do, but instead will use this pointer. Modules will not have to request a scan directly, like bgscan does. Instead, it will need to return the interval it wants after each notification. Signed-hostap: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
2012-06-26 11:55:41 -04:00
{
return 0;
}
static inline void autoscan_deinit(struct wpa_supplicant *wpa_s)
{
}
static inline int autoscan_notify_scan(struct wpa_supplicant *wpa_s,
struct wpa_scan_results *scan_res)
{
return 0;
}
#endif /* CONFIG_AUTOSCAN */
#endif /* AUTOSCAN_H */
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