netdev - Re: [net PATCH v2 3/6] net sched: mirred action fix late binding

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Date:	Tue, 10 May 2016 14:25:44 -0700
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>,
	Jiří Pírko <jiri@...nulli.us>,
	Alexander Duyck <alexander.duyck@...il.com>
Subject: Re: [net PATCH v2 3/6] net sched: mirred action fix late binding

On Tue, May 10, 2016 at 1:49 PM, Jamal Hadi Salim <jhs@...atatu.com> wrote:
> From: Jamal Hadi Salim <jhs@...atatu.com>
>
> The process below was broken and is fixed with this patch.
>
> //add an mirred action and give it an instance id of 1
> sudo tc actions add action mirred egress mirror dev $MDEV  index 1
> //create a filter which binds to mirred action id 1
> sudo tc filter add dev $DEV parent ffff: protocol ip prio 1 u32\
> match ip dst 17.0.0.1/32 flowid 1:10 action mirred index 1
>
> Message before bug fix was:
> RTNETLINK answers: Invalid argument
> We have an error talking to the kernel
>
> Signed-off-by: Jamal Hadi Salim <jhs@...atatu.com>

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