netdev - Re: [RFC net-next 0/2] net/sched: cls_flower, act

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Message-ID: <20160815125039.07809d54@pixies>
Date:	Mon, 15 Aug 2016 12:50:39 +0300
From:	Shmulik Ladkani <shmulik.ladkani@...il.com>
To:	Amir Vadai <amir@...ai.me>
Cc:	Jiri Pirko <jiri@...nulli.us>,
	Cong Wang <xiyou.wangcong@...il.com>,
	John Fastabend <john.fastabend@...il.com>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	Jiri Pirko <jiri@...lanox.com>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Or Gerlitz <ogerlitz@...lanox.com>,
	Hadar Har-Zion <hadarh@...lanox.com>,
	Oded Shanoon <odeds@...lanox.com>,
	Amir Vadai <amirva@...lanox.com>
Subject: Re: [RFC net-next 0/2] net/sched: cls_flower, act_mirred: VXLAN
 redirect using TC

On Mon, 15 Aug 2016 12:08:04 +0300, amir@...ai.me wrote:
> 
> Any objection to the following?
> 
> # ENCAP rule
> tc filter add dev $ETH protocol ip parent ffff: prio 10 \
> 		flower ip_proto 1 \
> 		action set_tunnel_key src_ip 11.11.0.1 dst_ip 11.11.0.2 key_id 11 dst_port 4789 \

Ability to control few tun_flags (e.g. TUNNEL_CSUM, TUNNEL_DONT_FRAGMENT)
might be useful too.

> # DECAP rule
> tc filter add dev $VXLAN protocol ip parent ffff: prio 10 \
> 		flower \
> 			enc_src_ip 11.11.0.2 enc_dst_ip 11.11.0.1 enc_key_id 11 \
> 			ip_proto 1 \

You might want to match the tunnel's udp port as well, for symmetry.