HI, >> I need your thoughts on having null frame being sent from mac80211( >> the RFC I submitted earlier). Do you feel a state machine is >> necessary to go to power save? ( like awake, sleep, pending_sleep if >> the AP hasn't acked the null frame with a timer or a work queue to >> send null frame periodically in the pending state). > > I haven't thinked much about this yet, but your proposal of having a > state machine most probably is the best option. It's just that earlier > Johannes mentioned that it's not currently possible to know if null > frame has been acked: > > http://www.spinics.net/lists/linux-wireless/msg21212.html > > We would have to solve that before implementing the state machine. > >> Or altogether you want that to be part of the driver and not in >> mac80211? > > I think this needs to be in mac80211 because there are three drivers > which need it (p54/stlc45xx, ath5/9k and b43). You can add the rt2x00 family to that list as well, I have already a patch which implements power saving in rt2x00 but it will need this patch to get it working correctly. Ivo -- 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
