From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Liping Zhang <zlpnobody@163.com>
Cc: netfilter-devel@vger.kernel.org, fw@strlen.de,
Liping Zhang <liping.zhang@spreadtrum.com>
Subject: Re: [PATCH V2 iptables] extensions: libxt_connlabel: Add translation to nft
Date: Sat, 16 Jul 2016 16:55:05 +0200 [thread overview]
Message-ID: <20160716145505.GA2359@salvia> (raw)
In-Reply-To: <20160716145130.GA2307@salvia>
On Sat, Jul 16, 2016 at 04:51:30PM +0200, Pablo Neira Ayuso wrote:
> On Sat, Jul 16, 2016 at 06:42:24PM +0800, Liping Zhang wrote:
> > # iptables-translate -A INPUT -m connlabel ! --label bit40 --set
> > nft add rule ip filter INPUT ct label set bit40 ct label and bit40 != bit40 counter
>
> I think this logic is inverted, I mean:
>
> nft add rule ip filter INPUT ct label and bit40 != bit40 ct label set bit40 counter
> ---------------------------
>
> test should happen before set.
BTW, why not simply translate this to:
nft add rule ip filter INPUT ct label set bit40 counter
nf_connlabels_replace() could be probably be updated from the kernel
to skip setting this again if already set.
This translation looks innecessarily large...
next prev parent reply other threads:[~2016-07-16 14:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-16 10:42 [PATCH V2 iptables] extensions: libxt_connlabel: Add translation to nft Liping Zhang
2016-07-16 10:49 ` Florian Westphal
2016-07-16 14:48 ` Pablo Neira Ayuso
2016-07-16 14:51 ` Pablo Neira Ayuso
2016-07-16 14:55 ` Pablo Neira Ayuso [this message]
2016-07-16 18:12 ` Florian Westphal
2016-07-17 10:24 ` Pablo Neira Ayuso
2016-07-17 10:41 ` Florian Westphal
2016-07-18 20:18 ` Pablo Neira Ayuso
2016-07-18 21:02 ` Florian Westphal
2016-07-16 17:59 ` Florian Westphal
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