[Olsr-dev] OLSRd 0.5.4 and 0.5.5 with ETT available

[Henning Rogge]

Am Thursday 13 November 2008 15:16:04 schrieb Daniel Nitzpon:
> Henning Rogge schrieb:
> >  > do you have an idea on how to cope with the airtime usage factor in
> >  > the layer2-approach?
> >
> > The WLAN driver knows the bandwith it would use the next time for the
> > link (based on signal strength and/or recent unicast transmissions), so
> > we just have to find a way to ask without wasting lots of CPU.
>
> am i just too blind to see, or does that data not take airtime usage
> into account?
Yes, it does take airtime usage into account... but there is no real "cross-
OS" approach to get the data except radiotap headers... and radiotap headers 
channel ALL wlan-frames into userspace, which eat up the CPU of an embedded 
device.

Henning

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