netdev - Re: [PATCH net-next 4/4] nfp: flower: ignore duplicate cb requests for same rule

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Message-ID: <CAJ3xEMgYg2xKuBM34BhgamifreCHtB7+2V9T9kiQM+_xAPm_Lw@mail.gmail.com>
Date:   Wed, 25 Apr 2018 12:17:01 +0300
From:   Or Gerlitz <gerlitz.or@...il.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
Cc:     David Miller <davem@...emloft.net>,
        Linux Netdev List <netdev@...r.kernel.org>,
        oss-drivers@...ronome.com, John Hurley <john.hurley@...ronome.com>
Subject: Re: [PATCH net-next 4/4] nfp: flower: ignore duplicate cb requests
 for same rule

On Wed, Apr 25, 2018 at 7:17 AM, Jakub Kicinski
<jakub.kicinski@...ronome.com> wrote:
> From: John Hurley <john.hurley@...ronome.com>
>
> If a flower rule has a repr both as ingress and egress port then 2
> callbacks may be generated for the same rule request.
>
> Add an indicator to each flow as to whether or not it was added from an
> ingress registered cb. If so then ignore add/del/stat requests to it from
> an egress cb.

So on add() you ignore (return success) - I wasn't sure from the patch
what do you do for stat()/del() -- success? why not err? as you know I am
working on the same patch for mlx5, lets align here please.

Or.