Re: [RFT] mac80211: fix broadcast/multicast data drop on scan

Johannes Berg
2010-08-27T15:51:38Z

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?

johannes