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Date:      Mon, 11 Feb 2013 00:09:51 -0800
From:      Adrian Chadd <adrian@freebsd.org>
To:        freebsd-wireless@freebsd.org
Subject:   [ath] headsup - I'm likely going to revert a bunch of work in ath(4) soon
Message-ID:  <CAJ-Vmo=jZFuRwwuc3ufuWZt5m8hS0zjcL39zvxg-YUk-tnS%2Bww@mail.gmail.com>

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Hi all,

I'm likely going to revert a bunch of my work in ath(4) soon. I've
been trying to chase down some performance issues that have crept in
with my if_transmit() and software queue changes and .. well, to be
honest, I'm just plain unhappy with it. It's utterly terrible -
performance seems to have dropped down from 150+mbit down to 80mbit
when using a FreeBSD transmitter. In hostap mode it seems fine - but
in station mode running iperf it just has _terrible_ performance.

So I'm going to back things out to some point in time in the past
where it behaved ok, then re-apply the bugfixes and spectral scan
code.

I'm sorry for this code churn.



Adrian



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