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Date:   Tue, 17 Jan 2017 15:59:04 +0100
From:   Simon Horman <>
To:     Jamal Hadi Salim <>
Subject: Re: [PATCH net-next v4 1/2] net sched actions: Add support for user

On Tue, Jan 17, 2017 at 06:11:48AM -0500, Jamal Hadi Salim wrote:
> From: Jamal Hadi Salim <>
> Introduce optional 128-bit action cookie.
> Like all other cookie schemes in the networking world (eg in protocols
> like http or existing kernel fib protocol field, etc) the idea is to save
> user state that when retrieved serves as a correlator. The kernel
> _should not_ intepret it.  The user can store whatever they wish in the
> 128 bits.
> Sample exercise(showing variable length use of cookie)

Hi Jamal,

I think that Daniel made some worthwhile comments regarding the
implementation but schematically I like what I see:

Reviewed-by: Simon Horman <>

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