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

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Message-ID: <20071002215914.13d1e8cf@freepuppy.rosehill>
Date:	Tue, 2 Oct 2007 21:59:14 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	pomac@...or.com
Cc:	Jeff Garzik <jgarzik@...ox.com>, Linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] sky2: jumbo frame regression fix

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?


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