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Date:   Thu, 28 May 2020 12:35:16 +0100
From:   Edward Cree <>
To:     <>, <>, <>
CC:     <>
Subject: Re: [PATCH net-next 0/2] net/mlx5e: add nat support in ct_metadata

On 28/05/2020 08:15, wrote:
> From: wenxu <>
> Currently all the conntrack entry offfload rules will be add
> in both ct and ct_nat flow table in the mlx5e driver. It is
> not makesense.
> This serise provide nat attribute in the ct_metadata action which
> tell driver the rule should add to ct or ct_nat flow table 
I don't understand why changes to the core are needed.
A conntrack entry should be a NAT if and only if it has
 FLOW_ACTION_MANGLE actions.  AIUI this is sufficient information
 to distinguish NAT from non-NAT conntrack, and there's no need
 for an additional bool in ct_metadata.
But it's possible my understanding is wrong.


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