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* Start autoscan for first connection attemptJouni Malinen2012-06-261-2/+2
| | | | | | | | | 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>
* Add automatic scanning supportTomasz Bursztyka2012-06-261-0/+49
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>