On Monday 19 March 2007 20:57, Andy Green wrote: > Hi folks - > > If you could generate and manage powersave protocol frames to an AP from > the mac80211 stack, without actually putting the radio to sleep, you > could do some interesting things. > > For example you could allow any logical network interface to have a > different channel. In this case, during the time that the channel you > are associated on has been told you have gone into powersave mode, you > can actually spend time on that other channel, before switching the > channel back to check in with the AP. So you could for example run > monitor mode on channel 11 while being associated on channel 2, given > the limitation that sometimes you aren't listening because you are And what's it good for to have a monitor device that randomly misses half of the packets? I mean... rather useless, no? > Depending on the limitations of the time you can arrange to "sleep" with > the AP, using this technique you could even associate multiple logical > interfaces to APs on different channels despite they are sharing one > physical radio. That could be cool for dealing with realtime selection > of the best channel/AP when the guy is mobile, for example. > > Is there something like firmware constraints or the detail of the > powersaving protocol that kill this dead or is it possible to consider? For software MAC devices this might work. But I think performance would suck. But it sounds like it's worth an experiment. So if you want to.. :) -- Greetings Michael. - 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
