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

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Message-Id: <20090828.130309.225603635.davem@davemloft.net>
Date:	Fri, 28 Aug 2009 13:03:09 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	cl@...ux-foundation.org
Cc:	sri@...ibm.com, dlstevens@...ibm.com, eric.dumazet@...il.com,
	netdev@...r.kernel.org, niv@...ux.vnet.ibm.com
Subject: Re: UDP multicast packet loss not reported if TX ring overrun?

From: Christoph Lameter <cl@...ux-foundation.org>
Date: Fri, 28 Aug 2009 15:53:42 -0400 (EDT)

> On Fri, 28 Aug 2009, David Miller wrote:
> 
>> If you start incrementing tx_dropped here, people won't be able
>> to tell they have a deteriorating cable or bad switch or similar.
> 
> ?? The patch does not do that. That was extra stuff not covered by the
> patch.

Yes you did, you put a device tx_dropped counter bump into
qdisc_drop().
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