netdev - Re: [PATCH] netfilter: x_tables: add xt

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Message-ID: <5dfb9bb4-5148-9288-dcee-22b7d3997a1a@ucloud.cn>
Date:   Thu, 10 Jan 2019 12:05:07 +0800
From:   wenxu <wenxu@...oud.cn>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] netfilter: x_tables: add xt_tunnel match


On 1/10/2019 12:41 AM, Pablo Neira Ayuso wrote:
> On Fri, Dec 21, 2018 at 06:12:24PM +0800, wenxu@...oud.cn wrote:
> [...]
>> +static struct xt_match tunnel_mt_reg __read_mostly = {
>> +	.name           = "tunnel",
>> +	.revision       = 0,
>> +	.family         = NFPROTO_UNSPEC,
>> +	.match          = tunnel_mt,
>> +	.matchsize      = sizeof(struct xt_tunnel_mtinfo),
> Does this work away from the prerouting hook?

Yes, I just test all the hooks. It can work for ingress packet match for PREROUTING and INPUT.

egress packet (output go through a lwtunnel) on FORWARD, OUTPUT and POSTROUTING.