netdev - Re: [PATCH net-next 1/3] nfp: flower: reduce action list size by coalescing mangle actions

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Message-ID: <20190329192544.65efa936@cakuba.netronome.com>
Date:   Fri, 29 Mar 2019 19:25:44 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        Pieter Jansen van Vuuren 
        <pieter.jansenvanvuuren@...ronome.com>
Subject: Re: [PATCH net-next 1/3] nfp: flower: reduce action list size by
 coalescing mangle actions

On Fri, 29 Mar 2019 19:24:41 -0700, Jakub Kicinski wrote:
> From: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@...ronome.com>
> 
> With the introduction of flow_action_for_each pedit actions are no
> longer grouped together, instead pedit actions are broken out per
> 32 byte word. This results in an inefficient use of the action list
> that is pushed to hardware where each 32 byte word becomes its own
> action. Therefore we combine groups of 32 byte word before sending
> the action list to hardware.
> 
> Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@...ronome.com>

Reviewed-by: Jakub Kicinski <jakub.kicinski@...ronome.com>