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Date:	Fri, 2 Jan 2015 20:09:09 +0000
From:	Thomas Graf <>
To:	Jesse Gross <>
Cc:	Pravin B Shelar <>,
	David Miller <>,
	netdev <>,
	"" <>
Subject: Re: [PATCH net-next] openvswitch: Do not set skb ignore_df

On 01/02/15 at 03:03pm, Jesse Gross wrote:
> On Fri, Jan 2, 2015 at 1:27 PM, Pravin B Shelar <> wrote:
> > Tunnel transmit code clear this bit, so setting ignore_df has
> > no effect.
> >
> > Signed-off-by: Pravin B Shelar <>
> Is it actually right for the bit to be cleared though? As discussed in
> the previous thread on tunnel MTU handling, I think that fragmentation
> should be done as a very last resort.

Agreed. The source VXLAN VTEP should not fragment at all. I think we
need a separate skb_scrub_packet() for encaps at this point. Some of
the assumptions made for namespace handover do not apply.
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