netdev - Re: [PATCH ipsec,v2] xfrm: interface: fix ipv4 pmtu check to honor ip header df

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Message-ID: <20210223172657.GD62598@gauss3.secunet.de>
Date:   Tue, 23 Feb 2021 18:26:57 +0100
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     Sabrina Dubroca <sd@...asysnail.net>
CC:     Eyal Birger <eyal.birger@...il.com>, <herbert@...dor.apana.org.au>,
        <davem@...emloft.net>, <kuba@...nel.org>, <netdev@...r.kernel.org>
Subject: Re: [PATCH ipsec,v2] xfrm: interface: fix ipv4 pmtu check to honor
 ip header df

On Tue, Feb 23, 2021 at 04:12:34PM +0100, Sabrina Dubroca wrote:
> 2021-02-20, 15:01:15 +0200, Eyal Birger wrote:
> > Frag needed should only be sent if the header enables DF.
> > 
> > This fix allows packets larger than MTU to pass the xfrm interface
> > and be fragmented after encapsulation, aligning behavior with
> > non-interface xfrm.
> > 
> > Fixes: f203b76d7809 ("xfrm: Add virtual xfrm interfaces")
> > Signed-off-by: Eyal Birger <eyal.birger@...il.com>
> > 
> > -----
> > 
> > v2: better align coding with ip_vti
> 
> LGTM. We also need to do the same thing in ip_vti and ip6_vti. Do you
> want to take care of it, or should I?
> 
> Either way, for this patch:
> Reviewed-by: Sabrina Dubroca <sd@...asysnail.net>

Applied, thanks everyone!