On Mon, 2010-09-27 at 17:09 +0200, ext Johannes Berg wrote: > On Mon, 2010-09-27 at 18:06 +0300, Luciano Coelho wrote: > > > Usually the drivers stay for a certain period of time in each channel, > > and that normally doesn't change if you have active or passive scan. So > > there will be no improvement in the overall scan speed. Of course you > > could do some tweaks that might improve scanning performance in specific > > cases. > > It's certainly different with mac80211: > > #define IEEE80211_CHANNEL_TIME (HZ / 33) > #define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 8) Right... Even in the wl1271 driver's hw scan we stay longer on each channel for passive scans. Obviously just listening to beacons we need to wait more, because probe_reqs should be responded quickly. -- Cheers, Luca. -- 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
