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From: Jarek Poplawski <jarkao2@gmail.com>
To: Mark Smith <lk-netdev@lk-netdev.nosense.org>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
	Christoph Lameter <cl@linux-foundation.org>,
	netdev@vger.kernel.org, davem@linux-foundation.org
Subject: Re: UDP is bypassing qdisc statistics ....
Date: Tue, 1 Sep 2009 06:37:26 +0000	[thread overview]
Message-ID: <20090901063726.GA5222@ff.dom.local> (raw)
In-Reply-To: <20090901062840.f1c25757.lk-netdev@lk-netdev.nosense.org>

On 31-08-2009 22:58, Mark Smith wrote:
> On Mon, 31 Aug 2009 21:54:49 +0200
> Eric Dumazet <eric.dumazet@gmail.com> wrote:
> 
>> Christoph Lameter a écrit :
>>> This is with 2.6.31-rc7. If I send icmp then its correctly registered as a
>>> packet by the qdisc layer:
>>>
> <snip>
>> loopback device do bypass qdisc layer for example...
> 
> On occassion, I'd have found it useful if it didn't. It'd be convenient
> to test out your qdisc config, or test out applications performance
> behaviour over a simulated WAN via netem, without having to a
> network and two hosts, and all the related miscellaneous setup work.

Probably Eric and you mean something special, but generally a loopback
and some other virtuals bypass qdisc layer only with default qdisc.

Jarek P.

  reply	other threads:[~2009-09-01  6:37 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-08-31 21:46 UDP is bypassing qdisc statistics Christoph Lameter
2009-08-31 19:54 ` Eric Dumazet
2009-08-31 20:58   ` Mark Smith
2009-09-01  6:37     ` Jarek Poplawski [this message]
2009-09-01  7:00       ` Eric Dumazet
2009-09-01  9:37         ` Mark Smith
2009-09-01 18:03       ` Christoph Lameter
2009-09-01 14:20         ` Patrick McHardy
2009-09-01 14:58           ` Eric Dumazet
2009-09-01 19:05             ` Christoph Lameter
2009-09-01 15:28               ` Eric Dumazet
2009-09-01 19:35                 ` Christoph Lameter
2009-09-01 15:43                   ` Eric Dumazet
2009-09-01 15:58                     ` Eric Dumazet
2009-09-01 20:13                       ` Christoph Lameter
2009-09-01 21:55                       ` Christoph Lameter
2009-09-01 20:24                         ` Jarek Poplawski
2009-09-02  1:36                           ` Christoph Lameter
2009-09-01 18:29           ` Christoph Lameter
2009-09-01 19:30           ` Christoph Lameter
2009-09-01 15:34             ` Eric Dumazet

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