netdev - Re: [PATCH net-next v7] openvswitch: enable NSH support

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Message-ID: <20170905063705.GA89551@cran64.bj.intel.com>
Date:   Tue, 5 Sep 2017 14:37:05 +0800
From:   "Yang, Yi" <yi.y.yang@...el.com>
To:     Jiri Benc <jbenc@...hat.com>
Cc:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "dev@...nvswitch.org" <dev@...nvswitch.org>,
        "e@...g.me" <e@...g.me>, "blp@....org" <blp@....org>,
        "jan.scheurich@...csson.com" <jan.scheurich@...csson.com>
Subject: Re: [PATCH net-next v7] openvswitch: enable NSH support

On Mon, Sep 04, 2017 at 06:42:16PM +0800, Jiri Benc wrote:
> On Mon, 4 Sep 2017 16:00:05 +0800, Yang, Yi wrote:
> > how can we know next push_nsh uses the same nsh header as previous
> > one?
> 
> We store the prepopulated header together with the action.
>

I checked source code but can't find where we can prepopulate it and how
we can deliver the prepopulated header to push_nsh, can you expand it in
order that I can know how to do this in code level?