netdev - Re: [PATCH v2 iproute2 2/2] actions: Add support for user cookies

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Date:   Sat, 18 Feb 2017 16:24:17 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Jamal Hadi Salim <jhs@...atatu.com>
Cc:     netdev@...r.kernel.org, mrv@...atatu.com
Subject: Re: [PATCH v2 iproute2 2/2] actions: Add support for user cookies

On Fri, 10 Feb 2017 06:25:44 -0500
Jamal Hadi Salim <jhs@...atatu.com> wrote:

> From: Jamal Hadi Salim <jhs@...atatu.com>
> 
> Make use of 128b user cookies
> 
> 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.

The support for this has not been accepted upstream in net-next yet.
Therefore submitting it into iproute2 is premature.
Pleas resubmit when the kernel part (and uapi) are upstream.