From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pablo Neira Ayuso <pablo@netfilter.org>
Subject: Re: [PATCH nf-next RFC 0/5] netfilter: add net namespace support for
 cthelper
Date: Tue, 6 Jun 2017 02:04:48 +0200
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Cc: Florian Westphal <fw@strlen.de>, Liping Zhang <zlpnobody@163.com>,
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On Mon, Jun 05, 2017 at 01:11:19PM +0800, Liping Zhang wrote:
> Hi Florian & Pablo,
> 
> 2017-06-05 0:07 GMT+08:00 Florian Westphal <fw@strlen.de>:
> > Liping Zhang <zlpnobody@163.com> wrote:
> >> This patch set aims to add net namespace support for the ct helper,
> >> it is a little large, but I try my best to split them to a relative
> >> smaller patches, which will help to review. Comments are welcome.
> >
> > Why?  Could you explain what kind of functionality is added here, or
> > what problem is fixed?
> >
> > Why do we need per netns complexity for helpers?
> 
> I remembered Pablo told me that the ct helpers "is probably one of
> the remaining subsystems not having netns support", when I sent
> patches to fix other issues.
>
> So I try to accomplish the netns support for ct helpers.
> (see https://patchwork.ozlabs.org/patch/740692/).

I was referring to cthelper infrastructure, right? So you add
possible_net to struct nfnl_cthelper?