netdev - Re: [PATCH] sky2: jumbo frame regression fix

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Date:	Wed, 3 Oct 2007 10:29:32 +0200
From:	iank@...dband.net
To:	Stephen Hemminger <shemminger@...ux-foundation.org>
Cc:	pomac@...or.com, Jeff Garzik <jgarzik@...ox.com>,
	Linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] sky2: jumbo frame regression fix

On Tue, Oct 02, 2007 at 09:59:14PM -0700, Stephen Hemminger wrote:
> On Wed, 03 Oct 2007 03:34:34 +0200
> Ian Kumlien <pomac@...or.com> wrote:
> 
> > On tis, 2007-10-02 at 18:02 -0700, Stephen Hemminger wrote:
> > > Remove unneeded check that caused problems with jumbo frame sizes.
> > > The check was recently added and is wrong.
> > > When using jumbo frames the sky2 driver does fragmentation, so
> > > rx_data_size is less than mtu.
> > 
> > Confirmed working.
> > 
> > Now running with 9k mtu with no errors, =)
> > 
> > It also seems that the FIFO bug was the one that affected me before,
> > damn odd race that one.
> 
> Does the workaround (forced reset work). Ian, you are the first person to
> report triggering it.  I haven't found a way to make it happen.
> What combination of flow control and speeds are you using?

I forgot to add, last time was -rc8-git2 or 3 and using Westwood flow
control.

> -- 
> Stephen Hemminger <shemminger@...ux-foundation.org>
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