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

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Message-ID: <alpine.DEB.1.10.0908251135380.26329@gentwo.org>
Date:	Tue, 25 Aug 2009 11:35:54 -0400 (EDT)
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
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?

On Tue, 25 Aug 2009, Eric Dumazet wrote:

> Christoph Lameter a ?crit :
> > On Tue, 25 Aug 2009, Eric Dumazet wrote:
> >
> >> Please hold on, I would like to fully understand what's happening,
> >> and test the patch :)
> >
> > Ok. It would be good if the drops would also be somehow noted by the UDP
> > subsystem (one should see something with netstat -su) and may be even the
> > socket. I see a drops column in /proc/net/udp. rx_drops, tx_drops?
>
> This /proc/net/udp column is for rx_drops currently and was recently added...

So lets rename it to rx_drops and then add tx_drops?

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