On Wed, Mar 17, 2010 at 03:01:15PM +0200, Juuso Oikarinen wrote: > To implement good performance WLAN roaming, it is not sufficient to start > scanning for other available AP's only after the currently serving association > is lost. > > The entity controlling the roaming will need to get indication of a > deteriorating WLAN connection in order to start preparing for roaming already > before the serving association is lost. This way, it can roam to a better AP > perhaps even before the serving association becomes too bad in quality. > > These patches propose an implementation facilitating this using a simple RSSI > threshold and hysteresis approach. > > These patches add a nl80211 interface for simply configuring a rssi threshold > and hysteresis value to facilitate very basic connection quality monitoring. > > For the triggering, these patches currently rely on HW support, host based > triggering is not implemented, but could be added later if needed. > > These patches have been tested with the wl1271 driver. > > Thanks in advance for your comments and suggestions. > > Juuso Oikarinen (2): > cfg80211: Add connection quality monitoring support to nl80211 > mac80211: Add support for connection quality monitoring Any idea what other hardware (besides libertas) supports this concept? Do you anticipate adding a host-based implementation to mac80211? Is RSSI really a useful enough indicator for this function? Will applications actually use it? John -- John W. Linville Someday the world will need a hero, and you linville@xxxxxxxxxxxxx might be all we have. Be ready. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
