netdev - Re: [patch sungem] improved locking

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Message-Id: <1167428167.23340.114.camel@localhost.localdomain>
Date:	Sat, 30 Dec 2006 08:36:07 +1100
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	David Miller <davem@...emloft.net>
Cc:	eric.lemoine@...il.com, netdev@...r.kernel.org
Subject: Re: [patch sungem] improved locking

On Thu, 2006-12-28 at 21:05 -0800, David Miller wrote:
> From: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Date: Wed, 13 Dec 2006 15:07:24 +1100
> 
> > tg3 says
> > 
> > tg3: eth0: Link is up at 1000 Mbps, full duplex.
> > tg3: eth0: Flow control is on for TX and on for RX.
> > 
> > but sungem says
> > 
> > eth0: Link is up at 1000 Mbps, full-duplex.
> > eth0: Pause is disabled
> > 
> > Hrm... I suppose I need to dig more. No time to do that today though.
> 
> I was about to try and debug this, and noticed immediately that I
> didn't recognize any of the code.
> 
> Could you look into this, you rewrote all of this stuff and this
> looks like a regression added, because I know this pause stuff
> used to work perfectly when I wrote the original GEM driver. :-)

Heh, it's very possible it's a regression I added indeed. I'll try to
have a look next week. Do you know of anybody who can verify on non-mii
hardware or is pause irrelevant there ?

Ben.


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