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Date:   Wed, 27 May 2020 11:19:38 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net] nfp: flower: fix used time of merge flow statistics

From: Simon Horman <>
Date: Wed, 27 May 2020 09:44:20 +0200

> From: Heinrich Kuhn <>
> Prior to this change the correct value for the used counter is calculated
> but not stored nor, therefore, propagated to user-space. In use-cases such
> as OVS use-case at least this results in active flows being removed from
> the hardware datapath. Which results in both unnecessary flow tear-down
> and setup, and packet processing on the host.
> This patch addresses the problem by saving the calculated used value
> which allows the value to propagate to user-space.
> Found by inspection.
> Fixes: aa6ce2ea0c93 ("nfp: flower: support stats update for merge flows")
> Signed-off-by: Heinrich Kuhn <>
> Signed-off-by: Simon Horman <>

Applied and queued up for -stable, thanks.

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