netdev - Re: [PATCH net-next v2 1/1] driver: veth: Refine the statistics codes of veth driver

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Date:   Thu, 03 Nov 2016 08:07:23 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Gao Feng <fgao@...ai8.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Cong Wang <cwang@...pensource.com>,
        Vijay Pandurangan <vijayp@...ayp.ca>,
        Evan Jones <ej@...njones.ca>, pabeni@...hat.com,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v2 1/1] driver: veth: Refine the statistics
 codes of veth driver

On Thu, 2016-11-03 at 22:38 +0800, Gao Feng wrote:

> Because other net devices put the statistics together.
> Take tun/tap as example, it is a virtual device, but its all
> statistics are percpu including dropped.

Take a look at 2681128f0ced8aa4e66f221197e183cc16d244fe
("veth: reduce stat overhead")

Feel free to fix tun/tap, not bloat veth and undo my work,
without knowing why it was done this way.

Thanks.