On Thu, Jan 10, 2019 at 02:51:35PM +0800, we...@ucloud.cn wrote:
> From: wenxu <we...@ucloud.cn>
>
> In the forward chain the iif is changed from slave device to master vrf
> device. It will lead the offload not match on lower slave device.
>
> This patch the flow table iif and oif based on route cache dst->dev, not
> the skb->iif
>
> This patch make the flollowing example can work correct
>
> ip addr add dev eth0 1.1.1.1/24
> ip addr add dev eth1 10.0.0.1/24
> ip link add user1 type vrf table 1
> ip l set user1 up
> ip l set dev eth0 master user1
> ip l set dev eth1 master user1
>
> nft add table firewall
> nft add flowtable f fb1 { hook ingress priority 0 \; devices = { eth0, eth1 }
> \; }
> nft add chain f ftb-all {type filter hook forward priority 0 \; policy accept
> \; }
> nft add rule f ftb-all ct zone 1 ip protocol tcp flow offload @fb1
> nft add rule f ftb-all ct zone 1 ip protocol udp flow offload @fb1
v2 looks much better, thanks.
Let me revamp this patch title to:
netfilter: nft_flow_offload: fix interaction with vrf slave device
before applying. Thanks.
