netdev - Re: [PATCH 1/2 nf-next v2] netfilter: nft_meta: add NFT_META_BRI

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Message-ID: <20190627191250.jttcfmt5uv7y536x@salvia>
Date:   Thu, 27 Jun 2019 21:12:50 +0200
From:   Pablo Neira Ayuso <pablo@...filter.org>
To:     wenxu@...oud.cn
Cc:     fw@...len.de, netfilter-devel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH 1/2 nf-next v2] netfilter: nft_meta: add
 NFT_META_BRI_O/IIFVPROTO support

On Thu, Jun 27, 2019 at 09:07:14PM +0800, wenxu@...oud.cn wrote:
> From: wenxu <wenxu@...oud.cn>
> 
> This patch provide a meta to get the bridge vlan proto
> 
> nft add rule bridge firewall zones counter meta br_iifvproto 0x8100
> 
> Signed-off-by: wenxu <wenxu@...oud.cn>
> ---
>  include/uapi/linux/netfilter/nf_tables.h |  4 ++++
>  net/netfilter/nft_meta.c                 | 18 ++++++++++++++++++
>  2 files changed, 22 insertions(+)
> 
> diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h
> index 8859535..0f75a6d 100644
> --- a/include/uapi/linux/netfilter/nf_tables.h
> +++ b/include/uapi/linux/netfilter/nf_tables.h
> @@ -796,6 +796,8 @@ enum nft_exthdr_attributes {
>   * @NFT_META_IIFKIND: packet input interface kind name (dev->rtnl_link_ops->kind)
>   * @NFT_META_OIFKIND: packet output interface kind name (dev->rtnl_link_ops->kind)
>   * @NFT_META_BRI_PVID: packet input bridge port pvid

An initial patch to re-name NFT_META_BRI_PVID to NFT_META_BRI_IIFVID
would be good, and to add NFT_META_BRI_OIFVID... if you have a usecase
for this, of course.

Thanks.