netdev - Re: UDP multicast packet loss not reported if TX ring overrun?

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Message-ID: <4A93EB9B.5020600@gmail.com>
Date:	Tue, 25 Aug 2009 15:48:11 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Christoph Lameter <cl@...ux-foundation.org>
CC:	Sridhar Samudrala <sri@...ibm.com>,
	Nivedita Singhvi <niv@...ibm.com>, netdev@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: UDP multicast packet loss not reported if TX ring overrun?

Christoph Lameter a écrit :
> On Tue, 25 Aug 2009, Eric Dumazet wrote:
> 
>> NET_XMIT_CN strikes again :)
>>
>> Well, if ip_local_out() returns a negative error (say -EPERM for example),
>>  your patch disables OUTDISCARDS increments.
>>
>> Maybe a simpler patch like this one ?
> 
> Yes looks good. Can we get this in soon?
> 

Please hold on, I would like to fully understand what's happening,
and test the patch :)


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