netdev - Re: [PATCH net-next v5 0/6] ipsec: add TCP encapsulation support (RFC 8229)

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Message-ID: <20191121093558.GA3571977@bistromath.localdomain>
Date:   Thu, 21 Nov 2019 10:35:58 +0100
From:   Sabrina Dubroca <sd@...asysnail.net>
To:     Steffen Klassert <steffen.klassert@...unet.com>
Cc:     netdev@...r.kernel.org, Herbert Xu <herbert@...dor.apana.org.au>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>
Subject: Re: [PATCH net-next v5 0/6] ipsec: add TCP encapsulation support
 (RFC 8229)

2019-11-21, 06:51:51 +0100, Steffen Klassert wrote:
> On Tue, Nov 12, 2019 at 04:18:37PM +0100, Sabrina Dubroca wrote:
> > This patchset introduces support for TCP encapsulation of IKE and ESP
> > messages, as defined by RFC 8229 [0]. It is an evolution of what
> > Herbert Xu proposed in January 2018 [1] that addresses the main
> > criticism against it, by not interfering with the TCP implementation
> > at all. The networking stack now has infrastructure for this: TCP ULPs
> > and Stream Parsers.
> > 
> > The first patches are preparation and refactoring, and the final patch
> > adds the feature.
> > 
> > The main omission in this submission is IPv6 support. ESP
> > encapsulation over UDP with IPv6 is currently not supported in the
> > kernel either, as UDP encapsulation is aimed at NAT traversal, and NAT
> > is not frequently used with IPv6.
> > 
> > Some of the code is taken directly, or slightly modified, from Herbert
> > Xu's original submission [1]. The ULP and strparser pieces are
> > new. This work was presented and discussed at the IPsec workshop and
> > netdev 0x13 conference [2] in Prague, last March.
> > 
> > [0] https://tools.ietf.org/html/rfc8229
> > [1] https://patchwork.ozlabs.org/patch/859107/
> > [2] https://netdevconf.org/0x13/session.html?talk-ipsec-encap
> 
> The patchset does not apply anymore after updating the
> ipsec-next tree. Can you respin once again?
> 
> I'll apply it right away then.
> 
> Thanks!

Ah, yes, that's the change Eric mentioned last week. I'll repost in a
bit, thanks.

-- 
Sabrina