netdev - Re: [PATCH iproute] tc: Reflect HW offload status

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Message-ID: <20170504151720.GA19349@vergenet.net>
Date:   Thu, 4 May 2017 17:17:21 +0200
From:   Simon Horman <simon.horman@...ronome.com>
To:     Or Gerlitz <ogerlitz@...lanox.com>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        netdev@...r.kernel.org, Roi Dayan <roid@...lanox.com>,
        Paul Blakey <paulb@...lanox.com>
Subject: Re: [PATCH iproute] tc: Reflect HW offload status

On Thu, May 04, 2017 at 04:15:15PM +0300, Or Gerlitz wrote:
> Currently there is no way of querying whether a filter is
> offloaded to HW or not when using "both" policy (where none
> of skip_sw or skip_hw flags are set by user-space).
> 
> Add two new flags, "in hw" and "not in hw" such that user
> space can determine if a filter is actually offloaded to
> hw or not. The "in hw" UAPI semantics was chosen so it's
> similar to the "skip hw" flag logic.
> 
> If none of these two flags are set, this signals running
> over older kernel.
> 
> Signed-off-by: Or Gerlitz <ogerlitz@...lanox.com>
> Reviewed-by: Jiri Pirko <jiri@...lanox.com>

Reviewed-by: Simon Horman <simon.horman@...ronome.com>