netdev - Re: [PATCH ipsec-next v2 6/6] xfrm: add espintcp (RFC 8229)

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Message-ID: <20190917124019.GA91878@bistromath.localdomain>
Date:   Tue, 17 Sep 2019 14:40:19 +0200
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>
Subject: Re: [PATCH ipsec-next v2 6/6] xfrm: add espintcp (RFC 8229)

2019-09-17, 14:04:13 +0200, Steffen Klassert wrote:
> On Tue, Sep 17, 2019 at 01:57:43PM +0200, Sabrina Dubroca wrote:
> > 2019-09-17, 13:26:49 +0200, Steffen Klassert wrote:
> > > On Wed, Sep 11, 2019 at 04:13:07PM +0200, Sabrina Dubroca wrote:
> > > ...
> > > > diff --git a/net/xfrm/Kconfig b/net/xfrm/Kconfig
> > > > index 51bb6018f3bf..e67044527fb7 100644
> > > > --- a/net/xfrm/Kconfig
> > > > +++ b/net/xfrm/Kconfig
> > > > @@ -73,6 +73,16 @@ config XFRM_IPCOMP
> > > >  	select CRYPTO
> > > >  	select CRYPTO_DEFLATE
> > > >  
> > > > +config XFRM_ESPINTCP
> > > > +	bool "ESP in TCP encapsulation (RFC 8229)"
> > > > +	depends on XFRM && INET_ESP
> > > > +	select STREAM_PARSER
> > > > +	select NET_SOCK_MSG
> > > > +	help
> > > > +	  Support for RFC 8229 encapsulation of ESP and IKE over TCP sockets.
> > > > +
> > > > +	  If unsure, say N.
> > > > +
> > > 
> > > One nitpick: This is IPv4 only, so please move this below the ESP
> > > section in net/ipv4/Kconfig and use the naming convention there.
> > > I.e. bool "IP: ESP in TCP encapsulation (RFC 8229)"
> > 
> > That's temporary, though, the next step will be to make it work for
> > both IPv4 and IPv6. Do you prefer I move it to net/ipv4/Kconfig for
> > now, and then back to net/xfrm/Kconfig when I add IPv6 support?
> 
> We have separate config options for ESP4 and ESP6, so we should
> also have separate config options for 'ESP in TCP' for IPv4 and IPv6.
> So this should go to net/ipv4/Kconfig. When you add IPv6 support
> place it in net/ipv6/Kconfig.

Ok, I'll do that, and rename the config entry to CONFIG_INET_ESPINTCP.

Thanks.

-- 
Sabrina