netdev - Re: [net-next PATCH] e1000: add initial XDP support

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Message-ID: <09886285-aeae-625d-9d0e-bec1c1944efe@mojatatu.com>
Date:   Tue, 30 Aug 2016 08:13:15 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     John Fastabend <john.fastabend@...il.com>, bblanco@...mgrid.com,
        davem@...emloft.net, alexei.starovoitov@...il.com,
        john.r.fastabend@...el.com, netdev@...r.kernel.org,
        xiyou.wangcong@...il.com
Subject: Re: [net-next PATCH] e1000: add initial XDP support

On 16-08-29 11:55 AM, Jesper Dangaard Brouer wrote:
> tc filter add dev mlx5p2 parent ffff: prio 4 protocol ip u32 match ip protocol 17 0xff match udp dst 9 0xffff flowid 1:1 action

Syntax is a little more convoluted  than that ;->. Try:

sudo tc filter add dev eth0 parent ffff: prio 4 protocol ip u32 \
match ip protocol 17 0xff \
match ip dport 1900 0xffff \
flowid 1:1 \
action drop

Note, this will be more cycles than drop all.

cheers,
jamal