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Re: [PATCH net-next] netfilter: conntrack: add a new NF_CT_EXT_EXPAND extension

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On Mon, Jun 26, 2017 at 06:53:09PM +0200, Florian Westphal wrote:
> Lin Zhang <xiaolou4617@gmail.com> wrote:
> >   In the current conntrack extend code, if we want to add a new
> > extension, we must be add a new extension id and recompile kernel.
> > I think that is not be convenient for users, so i add a new extension named
> > NF_CT_EXT_EXPAND for supporting dynamic register/unregister expansion
> > in runtime that means if kernel support NF_CT_EXT_EXPAND extension,
> > user could call nf_ct_expand_area_add() to register a new expansion
> > but not need to predefine an id in enum nf_ct_ext_id.
> 
> We never did this because its only required for out of tree modules.
> 
> I would prefer if such extensions are discussed/proposed on nf-devel
> instead, and then, if there is agreement that the extension is useful,
> it can be submitted for inclusion in mainline kernel instead.

Indeed. So such extension would receive a bit a public scrutiny.

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[PATCH net-next] netfilter: conntrack: add a new NF_CT_EXT_EXPAND extension Lin Zhang <xiaolou4617@gmail.com> - 2017-06-26 08:20 +0200
  Re: [PATCH net-next] netfilter: conntrack: add a new  NF_CT_EXT_EXPAND extension Pablo Neira Ayuso <pablo@netfilter.org> - 2017-06-26 19:00 +0200
  Re: [PATCH net-next] netfilter: conntrack: add a new  NF_CT_EXT_EXPAND extension Florian Westphal <fw@strlen.de> - 2017-06-26 19:00 +0200
    Re: [PATCH net-next] netfilter: conntrack: add a new  NF_CT_EXT_EXPAND extension Pablo Neira Ayuso <pablo@netfilter.org> - 2017-06-26 19:10 +0200

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