netdev - Re: [PATCH RFC] r8169: straighten out overlength frame detection (v3)

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Message-ID: <20100218193733.GA23337@jenkins.home.ifup.org>
Date:	Thu, 18 Feb 2010 11:37:33 -0800
From:	Brandon Philips <brandon@...p.org>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	Neil Horman <nhorman@...driver.com>,
	David Miller <davem@...emloft.net>, ben@...adent.org.uk,
	eric.dumazet@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH RFC] r8169: straighten out overlength frame detection
 (v3)

On 16:50 Sat 30 Jan 2010, Neil Horman wrote:
> On Tue, Jan 12, 2010 at 01:16:46AM +0100, Francois Romieu wrote:
> > On Sun, Jan 10, 2010 at 10:45:04PM -0800, David Miller wrote:
> > [...]
> > > In my opinion if you reset, you give them more power.
> > > 
> > > Instead of just dropping the next few frames, you allow them
> > > to cause a drop of how ever many RX frames can arrive during
> > > the reset period _PLUS_ the amount of other RX frames which
> > > were in the receive ring at the point of detection.
> > 
> > Sure.
> > 
> > The fragmented frame test has been moved a few lines up, before checking
> > for the status bits. Exceedingly small frames are detected and dropped
> > as well.
> > 
> > I have spent the evening disrupting the communication. As a challenger
> > one does not even need complete control : send a few random packets and
> > the card goes to neverland. :o/
> > 
> > I'll do some tests limiting the crap at the first packet.
> > 
> Any further results you can share with us Francois?

Can I offer any help? I found that I have access to a Rev 0x10 card.

Cheers,

	Brandon
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