netdev - Re: [net-next-2.6 PATCH v4 3/3] Support to encoding decoding skb prio on IFE action

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Message-ID: <CAM_iQpUk_ee9gudqwOsCEKm3s31TFuXPOKjriUcW2E6jw5i4YA@mail.gmail.com>
Date:	Sat, 27 Feb 2016 20:26:20 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Jamal Hadi Salim <jhs@...atatu.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	Daniel Borkmann <daniel@...earbox.net>
Subject: Re: [net-next-2.6 PATCH v4 3/3] Support to encoding decoding skb prio
 on IFE action

On Sat, Feb 27, 2016 at 5:08 AM, Jamal Hadi Salim <jhs@...atatu.com> wrote:
> From: Jamal Hadi Salim <jhs@...atatu.com>
>
>     Example usage:
>     Set the skb priority using skbedit then allow it to be encoded
>
>     sudo tc qdisc add dev $ETH root handle 1: prio
>     sudo tc filter add dev $ETH parent 1: protocol ip prio 10 \
>     u32 match ip protocol 1 0xff flowid 1:2 \
>     action skbedit prio 17 \
>     action ife encode \
>     allow prio \
>     dst 02:15:15:15:15:15
>
>     Note: You dont need the skbedit action if you are already encoding the
>     skb priority earlier. A zero skb priority will not be sent
>
>     Alternative hard code static priority of decimal 33 (unlike skbedit)
>     then mark of 0x12 every time the filter matches
>
>     sudo $TC filter add dev $ETH parent 1: protocol ip prio 10 \
>     u32 match ip protocol 1 0xff flowid 1:2 \
>     action ife encode \
>     type 0xDEAD \
>     use prio 33 \
>     use mark 0x12 \
>     dst 02:15:15:15:15:15
>
>     Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>

Acked-by: Cong Wang <xiyou.wangcong@...il.com>