From: Christian Lamparter <chunkeey@web.de>
To: Max Filippov <jcmvbkbc@gmail.com>
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH] p54spi: get rid of busy-wait loops
Date: Mon, 6 Apr 2009 13:47:06 +0200 [thread overview]
Message-ID: <200904061347.06042.chunkeey@web.de> (raw)
In-Reply-To: <200904060916.03555.jcmvbkbc@gmail.com>
On Monday 06 April 2009 07:16:02 Max Filippov wrote:
> >
> > By the way a few days ago the libertas driver authors posted a patch
> > which "improve the average throughput 13%."
> >
> > http://marc.info/?l=linux-wireless&m=123871643203161
> >
> > I wonder if this would also work with p54spi.
> > But to test this theory, one has to rewrite the driver to use kthread
> > instead of hogging workqueues.... just in case you're looking for more
> > TODOs ;-)
> I'm just getting it to work. And there are still problems in tx path, e.g.
> it cannot withstand dd if=/dev/zero | ssh ... "cat >/dev/null".
hmm, sounds familiar.
(" p54usb: fix random traffic stalls (LM87)" (43af18f06d5
and p54usb: fix packet loss with first generation devices ")
can you please run
for ((size=0; size < 9000;size++)); do ping $IP -s $size
and see if there's a connection between the stalls/hangs and the frame length?
Regards,
Chr
prev parent reply other threads:[~2009-04-06 11:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-05 21:03 [PATCH] p54spi: get rid of busy-wait loops Max Filippov
2009-04-05 22:30 ` Christian Lamparter
2009-04-06 5:16 ` Max Filippov
2009-04-06 11:47 ` Christian Lamparter [this message]
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