netdev - Re: [PATCHv3 net-next 5/5] net: move the nat function to nf_nat

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Message-ID: <Y4/WNywqOPQlCQrz@salvia>
Date:   Wed, 7 Dec 2022 00:54:31 +0100
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     Xin Long <lucien.xin@...il.com>
Cc:     network dev <netdev@...r.kernel.org>, dev@...nvswitch.org,
        davem@...emloft.net, kuba@...nel.org,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Pravin B Shelar <pshelar@....org>,
        Jamal Hadi Salim <jhs@...atatu.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Jiri Pirko <jiri@...nulli.us>, Florian Westphal <fw@...len.de>,
        Marcelo Ricardo Leitner <marcelo.leitner@...il.com>,
        Davide Caratti <dcaratti@...hat.com>,
        Oz Shlomo <ozsh@...dia.com>, Paul Blakey <paulb@...dia.com>,
        Ilya Maximets <i.maximets@....org>,
        Eelco Chaudron <echaudro@...hat.com>,
        Aaron Conole <aconole@...hat.com>,
        Saeed Mahameed <saeed@...nel.org>
Subject: Re: [PATCHv3 net-next 5/5] net: move the nat function to nf_nat_ovs
 for ovs and tc

On Tue, Dec 06, 2022 at 06:31:16PM -0500, Xin Long wrote:
[...]
> diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
> index 1d4db1943936..0976d34b1e5f 100644
> --- a/net/netfilter/Makefile
> +++ b/net/netfilter/Makefile
> @@ -54,6 +54,12 @@ obj-$(CONFIG_NF_CONNTRACK_TFTP) += nf_conntrack_tftp.o
>  
>  nf_nat-y	:= nf_nat_core.o nf_nat_proto.o nf_nat_helper.o
>  
> +ifdef CONFIG_OPENVSWITCH
> +nf_nat-y += nf_nat_ovs.o
> +else ifdef CONFIG_NET_ACT_CT
> +nf_nat-y += nf_nat_ovs.o
> +endif

Maybe add CONFIG_NF_NAT_OVS and select it from OPENVSWITCH Kconfig
(select is a hammer, but it should be fine in this case since
OPENVSWITCH already depends on NF_NAT?).

Then in Makefile:

nf_nat-$(CONFIG_NF_NAT_OVS)  += nf_nat_ovs.o

And CONFIG_NF_NAT_OVS depends on OPENVSWITCH.

>  obj-$(CONFIG_NF_LOG_SYSLOG) += nf_log_syslog.o
>  
>  obj-$(CONFIG_NF_NAT) += nf_nat.o