Subject: Re: [patch net-next v4 0/4] return offloaded stats as default and expose original sw stats

From: Jamal Hadi Salim <[email-masked]>
Date: Fri, 17 Jun 2016 10:54:34 -0400

On 16-06-17 10:05 AM, Jiri Pirko wrote:
> Fri, Jun 17, 2016 at 03:48:35PM CEST, [email-masked] wrote:
>> On 6/17/16 2:24 AM, Jiri Pirko wrote:
>>>

>
> That is problematic. Existing apps depend on rtnetlink stats. But if we
> don't count offloaded forwarded packets, the apps don't see anything.
> Therefore I believe that this patchset approach is better. The existing
> apps continue to work and future apps can use newly introduces sw_stats
> to query slowpath traffic. Makes sense to me.
>

I agree with Jiri. It is a bad idea to depend on ethtool for any of
this stuff. Is there a way we can tag netlink stats instead
to indicate they are hardware or software?
We already have a use case with the tc where someone could get/set
hardware and/or software.

cheers,
jamal