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

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Message-ID: <b037a0a9-4729-41ff-81bb-ca76c0e3fba9@ucloud.cn>
Date:   Wed, 26 Jun 2019 20:42:27 +0800
From:   wenxu <wenxu@...oud.cn>
To:     Pablo Neira Ayuso <pablo@...filter.org>
Cc:     fw@...len.de, netfilter-devel@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH nf-next v2 2/2] netfilter: nft_meta: Add NFT_META_BRI_VLAN
 support

I agree with you, It's a more generic way to set the vlan tag not base on

any bridge. I will resubmit NFT_META_BRI_VLAN_PROTO and

NFT_META_VLAN patches

在 2019/6/26 18:29, Pablo Neira Ayuso 写道:
> Could you add a NFT_META_BRI_VLAN_PROTO? Similar to patch 1/2, to
> retrieve p->br->vlan_proto.
>
> Then, add a generic way to set the vlan metadata. I'm attaching an
> incomplete patch, so there is something like:
>
>         meta vlan set 0x88a8:20
>
> to set q-in-q.
>
> we could also add a shortcut for simple vlan case (no q-in-q), ie.
> assuming protocol is 0x8100:
>
>         meta vlan set 20
>
> Does this make sense to you?
>
> And we have a way to set the meta vlan information from ingress to
> then, which is something I also need here.
>
> Thanks.