Bad host-vased AP performace -- and qouple of questions about FreeBSD WiFi stack tuning

Adrian Chadd adrian at freebsd.org
Tue Aug 9 13:23:01 UTC 2011


On 9 August 2011 21:18, Lev Serebryakov <lev at serebryakov.spb.ru> wrote:

>> exported to user space (ifconfig).
>  "ifconfig wlan0 list txpower" shows two limits for each channel
>  like:
>
>   Channel   1 : 2412 MHz 30.0 reg 30
>
>  but I'm not sure, is this meaningful.

That's the configured regulatory limit. There's no way for the driver
to say exactly what the maximum TX power is for each configured rate
for the current channel.

(Or, when we eventually support per-packet TPC, what the
minimum/maximum TX power range is for each peer node.)

That's a nice project for someone who'd like to get more familiar with net80211.


Adrian


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