[Make-wifi-fast] [RFC/RFT 5/5] ath9k: Count RX airtime in airtime deficit

Toke Høiland-Jørgensen toke at toke.dk
Sun Jun 5 06:55:15 EDT 2016

Adrian Chadd <adrian at freebsd.org> writes:

> I've been working on something similar in freebsd, so cool to see this
> happening here!

Cool. Do you have code available somewhere?

> The only thing missing atm is STBC and LDPC. My RX airtime code looks
> basically like this one too; but I have TODO items for ensuring
> LDPC/STBC calculations are sane.

So basically this means taking into account whether there was MIMO in
use (which may lower the transmit time)? My understanding is that (at
least in Linux) this is encoded in the rate tables (i.e. a MIMO rate is
a separate entry). Am I wrong in thinking so? Or is this something else


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