netdev - [PATCH net-next v5 0/2] net/mlx5e: add indr block support in the FT mode

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Date:   Tue, 24 Mar 2020 07:44:55 +0800
From:   wenxu@...oud.cn
To:     saeedm@...lanox.com
Cc:     paulb@...lanox.com, vladbu@...lanox.com, netdev@...r.kernel.org
Subject: [PATCH net-next v5 0/2] net/mlx5e: add indr block support in the FT mode

From: wenxu <wenxu@...oud.cn>

Indr block supported in FT mode can offload the tunnel device in the
flowtables of nftable.

The netfilter patches:
http://patchwork.ozlabs.org/cover/1242812/

Test with mlx driver as following with nft:

ip link add user1 type vrf table 1
ip l set user1 up 
ip l set dev mlx_pf0vf0 down
ip l set dev mlx_pf0vf0 master user1
ifconfig mlx_pf0vf0 10.0.0.1/24 up

ifconfig mlx_p0 172.168.152.75/24 up

ip l add dev tun1 type gretap key 1000
ip l set dev tun1 master user1
ifconfig tun1 10.0.1.1/24 up

ip r r 10.0.1.241 encap ip id 1000 dst 172.168.152.241 key dev tun1 table 1

nft add table firewall
nft add chain firewall zones { type filter hook prerouting priority - 300 \; }
nft add rule firewall zones counter ct zone set iif map { "tun1" : 1, "mlx_pf0vf0" : 1 }
nft add chain firewall rule-1000-ingress
nft add rule firewall rule-1000-ingress ct zone 1 ct state established,related counter accept
nft add rule firewall rule-1000-ingress ct zone 1 ct state invalid counter drop
nft add rule firewall rule-1000-ingress ct zone 1 tcp dport 5001 ct state new counter accept
nft add rule firewall rule-1000-ingress ct zone 1 udp dport 5001 ct state new counter accept
nft add rule firewall rule-1000-ingress ct zone 1 tcp dport 22 ct state new counter accept
nft add rule firewall rule-1000-ingress ct zone 1 ip protocol icmp ct state new counter accept
nft add rule firewall rule-1000-ingress counter drop
nft add chain firewall rules-all { type filter hook prerouting priority - 150 \; }
nft add rule firewall rules-all meta iifkind "vrf" counter accept
nft add rule firewall rules-all iif vmap { "tun1" : jump rule-1000-ingress }

nft add flowtable firewall fb1 { hook ingress priority 2 \; devices = { tun1, mlx_pf0vf0 } \; }
nft add chain firewall ftb-all {type filter hook forward priority 0 \; policy accept \; }
nft add rule firewall ftb-all ct zone 1 ip protocol tcp flow offload @fb1
nft add rule firewall ftb-all ct zone 1 ip protocol udp flow offload @fb1


wenxu (2):
  net/mlx5e: refactor indr setup block
  net/mlx5e: add mlx5e_rep_indr_setup_ft_cb support

 drivers/net/ethernet/mellanox/mlx5/core/en_rep.c | 94 ++++++++++++++++++------
 1 file changed, 73 insertions(+), 21 deletions(-)

-- 
1.8.3.1