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

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Message-ID: <20100130215026.GA6146@localhost.localdomain>
Date:	Sat, 30 Jan 2010 16:50:26 -0500
From:	Neil Horman <nhorman@...driver.com>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	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 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?

Thanks
Neil
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