netdev - Re: [PATCH net-next] fq_codel: Avoid regenerating skb flow hash unless necessary

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Date:   Wed, 18 Jan 2017 13:13:13 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Andrew Collins <acollins@...dlepoint.com>
Cc:     netdev@...r.kernel.org, tom@...bertland.com
Subject: Re: [PATCH net-next] fq_codel: Avoid regenerating skb flow hash
 unless necessary

On Wed, 2017-01-18 at 14:04 -0700, Andrew Collins wrote:
> The fq_codel qdisc currently always regenerates the skb flow hash.
> This wastes some cycles and prevents flow seperation in cases where
> the traffic has been encrypted and can no longer be understood by the
> flow dissector.
> 
> Change it to use the prexisting flow hash if one exists, and only
> regenerate if necessary.
> 
> Signed-off-by: Andrew Collins <acollins@...dlepoint.com>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>

Thanks !