Hi, Just so that I don't forget, and others are informed too... :) GSoC students take notes! After my beacon filter patch, the scan results you get with iwconfig or iw no longer update the signal strength while you're associated. However, currently without any efficient roaming that signal strength is only useful after a scan anyway, so it doesn't matter. If you want to know the connection quality, you should use iw dev wlan0 station get <bssid> instead. However, that is only updated when there's traffic. This is the same information as /sbin/iwconfig prints. Now, you may want to roam before losing the connection completely while there's no traffic, so you have a good connection for when there's traffic again. In order to do that, you need to watch the beacon signal strength, and inform userspace (the roaming algorithm) of changes. However, this isn't via the scanning -- it's via the station info. So: * need method for userspace to register what kind of signal changes it is interested in (low/high threshold?) * need signal change event for the AP station as multicast johannes
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