On Fri, 2010-08-27 at 08:55 -0700, Luis R. Rodriguez wrote: > On Fri, Aug 27, 2010 at 8:51 AM, Johannes Berg > <johannes@xxxxxxxxxxxxxxxx> wrote: > > On Fri, 2010-08-27 at 08:48 -0700, Luis R. Rodriguez wrote: > > > >> > Well, there's no way we can reliably wake up exactly before a beacon by > >> > implementing that in software, hard real-time hasn't been achieved in > >> > Linux yet :-) > >> > >> Keyword here is *exactly*. I don't want to wake up *exactly* at DTIM, > >> only ensure we don't sleep during it and the send buffered frames and > >> multicast traffic data. Why can we not implement this on mac80211? > > > > Well, how long before the beacon do you want to wake up to catch it? > > 1ms? 10ms? 100ms? 1000ms? What if the system is busy? > > I cannot say what would work best, how about half a beacon interval early? Why are we even discussing this anyway? It doesn't matter for a power save implementation since you better offload it to the device so you get as exact timing as you can? johannes -- 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
