From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Florian Westphal <fw@strlen.de>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nft 0/10] nftables remove use of meta nfproto
Date: Fri, 29 Sep 2017 12:24:34 +0200 [thread overview]
Message-ID: <20170929102434.GA2654@salvia> (raw)
In-Reply-To: <20170927181654.3129-1-fw@strlen.de>
On Wed, Sep 27, 2017 at 08:16:44PM +0200, Florian Westphal wrote:
> inet family (and others, e.g. bridge) lack context to figure
> out the layer 3 address type.
>
> examples:
> ct original saddr $addr
> rt nexthop $addr
>
> We can't use $addr, because it might be a set reference, e.g.
>
> ct original saddr @whitelist
>
> currently implemented workaround is to use 'meta nfproto'
> to provide the l3 context, e.g.
>
> meta nfproto ip rt nexthop 10.2.3.4
>
> i.e. users need to fill dependency manually.
>
> Pablo suggested to instead specify ip saddr, ip6 saddr:
>
> ct original ip saddr $address
>
> and then let nft handle the dependency injection.
>
> This series does just that.
>
> Old syntax is preserved.
Nice series, thanks Florian.
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
prev parent reply other threads:[~2017-09-29 10:25 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 18:16 [PATCH nft 0/10] nftables remove use of meta nfproto Florian Westphal
2017-09-27 18:16 ` [PATCH nft 01/10] src: add alternate syntax for ct saddr Florian Westphal
2017-09-27 18:16 ` [PATCH nft 02/10] src: ct: store proto base of ct key, if any Florian Westphal
2017-09-27 18:16 ` [PATCH nft 03/10] src: ct: add eval part to inject dependencies for ct saddr/daddr Florian Westphal
2017-09-27 18:16 ` [PATCH nft 04/10] src: unifiy meta and ct postprocessing Florian Westphal
2017-09-27 18:16 ` [PATCH nft 05/10] tests: update inet/bridge icmp test case Florian Westphal
2017-09-27 18:16 ` [PATCH nft 06/10] src: ct: print nfproto name for some header fields Florian Westphal
2017-09-27 18:16 ` [PATCH nft 07/10] tests: ct: adjust test case commands Florian Westphal
2017-09-27 18:16 ` [PATCH nft 08/10] src: rt: add keyword distinction for nexthop vs nexthop6 Florian Westphal
2017-09-27 18:16 ` [PATCH nft 09/10] tests: rt: fix test cases Florian Westphal
2017-09-27 18:16 ` [PATCH nft 10/10] doc: update man page Florian Westphal
2017-09-29 10:24 ` Pablo Neira Ayuso [this message]
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