From: Patrick McHardy <kaber@trash.net>
To: Florian Westphal <fw@strlen.de>
Cc: pablo@netfilter.org, netfilter-devel@vger.kernel.org
Subject: Re: [RFC PATCH nf-next 0/1] payload mangling support
Date: Mon, 9 Nov 2015 16:00:07 +0000 [thread overview]
Message-ID: <20151109160007.GL8098@macbook.localdomain> (raw)
In-Reply-To: <20151109155014.GB7759@breakpoint.cc>
On 09.11, Florian Westphal wrote:
> Patrick McHardy <kaber@trash.net> wrote:
> > On 09.11, Florian Westphal wrote:
> > > Patrick McHardy <kaber@trash.net> wrote:
> > > > So the main questions is basically, do we want to support stateless NAT?
> > > > The downside is that we have to add protocol specific checksumming functions.
> > >
> > > For now i'm only be interested in mangling MAC addresses for nft bridge
> > > to provide ebtables snat/dnat/redirect equivalents.
> >
> > I have not tested that, it probably needs some minor adjustments to skip
> > checksum updates for NFT_PAYLOAD_LL_HEADER, but other than that, this will
> > obviously work.
>
> For redirect we also need to alter skb->pkttype to PACKET_HOST.
>
> I can take care of this later if needed, I'd just need advice on
> how to add this (meta statement?).
Good point. I guess that would be the proper solution, I don't think we want to
try to figure out whether an address is local in the payload module.
prev parent reply other threads:[~2015-11-09 16:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-09 14:10 [RFC PATCH nf-next 0/1] payload mangling support Patrick McHardy
2015-11-09 14:10 ` [RFC PATCH nf-next 1/1] netfilter: nft_payload: add packet " Patrick McHardy
2015-11-23 12:31 ` Pablo Neira Ayuso
2015-11-23 12:45 ` Patrick McHardy
2015-11-09 15:22 ` [RFC PATCH nf-next 0/1] payload " Jan Engelhardt
2015-11-09 15:37 ` Patrick McHardy
2015-11-09 15:30 ` Florian Westphal
2015-11-09 15:41 ` Patrick McHardy
2015-11-09 15:50 ` Florian Westphal
2015-11-09 16:00 ` Patrick McHardy [this message]
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