[Bridge] [PATCH 4/7 nf-next] netfilter: nft_meta_bridge: add NFT_META_BRI_IIFPVID support

[Nikolay Aleksandrov]

On 04/07/2019 10:22, wenxu at ucloud.cn wrote:
> From: wenxu <wenxu at ucloud.cn>
> 
> nft add table bridge firewall
> nft add chain bridge firewall zones { type filter hook prerouting priority - 300 \; }
> nft add rule bridge firewall zones counter ct zone set vlan id map { 100 : 1, 200 : 2 }
> 
> As above set the bridge port with pvid, the received packet don't contain
> the vlan tag which means the packet should belong to vlan 200 through pvid.
> With this pacth user can get the pvid of bridge ports.
> 
> So add the following rule for as the first rule in the chain of zones.
> 
> nft add rule bridge firewall zones counter meta vlan set meta briifpvid
> 
> Signed-off-by: wenxu <wenxu at ucloud.cn>
> ---
>  include/uapi/linux/netfilter/nf_tables.h |  2 ++
>  net/bridge/netfilter/nft_meta_bridge.c   | 15 +++++++++++++++
>  2 files changed, 17 insertions(+)
> 

Reviewed-by: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>