netdev - Re: [PATCH] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

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Message-ID: <CALnjE+qw-UirLcfQJyVciqbVPN5NJXD9vf4m3po7zicY7Dn8DA@mail.gmail.com>
Date:	Mon, 6 Jul 2015 13:26:05 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	Timo Teräs <timo.teras@....fi>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] ip_tunnel: fix ipv4 pmtu check to honor inner ip header df

On Mon, Jul 6, 2015 at 1:35 AM, Timo Teräs <timo.teras@....fi> wrote:
> Frag needed should be sent only if the inner header asked
> to not fragment. Currently fragmentation is broken if the
> tunnel has df set. The tunnel's df needs to be still checked
> to update internally the pmtu cache.
>
> This got broken in commit 23a3647bc4f93bac and this fixes
> the pmtu check back to the way it was.
>
> Fixes: 23a3647bc4f93bac ("ip_tunnels: Use skb-len to PMTU check.")
> Cc: Pravin B Shelar <pshelar@...ira.com>

Patch looks good, But commit msg is missing Signed-off-by: tag.
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