netdev - Re: [PATCH] netdev: Interfamily support for IPSEC BEET

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Date:	Fri, 19 Oct 2007 22:22:22 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	joakim.koskela@...t.fi
Cc:	netdev@...r.kernel.org, davem@...emloft.net, kaber@...sh.net
Subject: Re: [PATCH] netdev: Interfamily support for IPSEC BEET

Joakim Koskela <joakim.koskela@...t.fi> wrote:
> Hi,
> 
> Here's an updated version of the patch adding support for ipv4/ipv6
> interfamily addressing for the ipsec BEET (Bound End-to-End Tunnel)
> mode, as specified by the ietf draft found at:
> 
> http://www.ietf.org/internet-drafts/draft-nikander-esp-beet-mode-07.txt
> 
> The previous implementation required that both address pairs in the SA
> were of the same family. This patch enables mixing ipv4 and ipv6
> addresses. All combinations (4-4, 4-6, 6-4, 6-6) have been tested.
> 
> The generic interfamily fixes have been chopped off from this into
> separate patches.

Please hold onto this.  I've got a more generic version of this
that doesn't duplicate the inter-family logic between BEET mode
and tunnel mode.

Instead I've created a generic function that reads info from the
inner header and puts them in an address-neutral format which is
then picked up by either BEET or tunnel mode.

Cheers,
-- 
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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