netdev - Re: [RFC PATCH 1/1 v2] net: sched: Introduce conndscp action

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Message-ID: <CAM_iQpW-Rz9yiYjvJ-tes9P7DbRWU_YNqhOQ5UPViK17fR46cw@mail.gmail.com>
Date:   Fri, 22 Mar 2019 10:39:36 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     "Kevin 'ldir' Darbyshire-Bryant" <ldir@...byshire-bryant.me.uk>
Cc:     "jhs@...atatu.com" <jhs@...atatu.com>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH 1/1 v2] net: sched: Introduce conndscp action

Hello,

On Fri, Mar 22, 2019 at 7:09 AM Kevin 'ldir' Darbyshire-Bryant
<ldir@...byshire-bryant.me.uk> wrote:
>
> Conndscp is a new tc filter action module.  It is designed to copy DSCPs
> to conntrack marks and the reverse operation of conntrack mark contained
> DSCPs to the diffserv field of suitable skbs.
>

Is it possible and feasible to integrate this into connmark?

Both are intended to retrieve information from conntrack and store
it into skb. I know the name "connmark" already says it is a mark,
while yours isn't, I still want to see if we can avoid code duplications.

Thanks.