netdev - Re: [PATCH] veth: Allow setting the L3 MTU

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Message-Id: <20090303.233616.17571375.davem@davemloft.net>
Date:	Tue, 03 Mar 2009 23:36:16 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	ebiederm@...ssion.com
Cc:	netdev@...r.kernel.org, containers@...ts.osdl.org,
	dlezcano@...ibm.com, xemul@...nvz.org
Subject: Re: [PATCH] veth: Allow setting the L3 MTU

From: ebiederm@...ssion.com (Eric W. Biederman)
Date: Tue, 03 Mar 2009 20:14:18 -0800

> The limitation to only 1500 byte mtu's limits the utility of the veth
> device for testing routing.  So implement implement a configurable
> MTU.
> 
> For consistency I drop packets on the receive side when they are
> larger than the MTU.  I count those drops.  And I allow
> a little padding for vlan headers.
> 
> I also test the mtu when a new device is created with netlink
> because that path currently bypasses the current mtu setting
> code.
> 
> Signed-off-by: Eric Biederman <ebiederm@...stanetworks.com>

Applied to net-next-2.6, thanks Eric.
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