netdev - Re: [net-next PATCH 3/3] net: dsa: qca8k: limit user ports access to the first CPU port on setup

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Message-ID: <2e147dcd-03ac-44d3-2781-c95c528994be@gmail.com>
Date: Wed, 26 Jul 2023 15:21:03 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Christian Marangi <ansuelsmth@...il.com>, Andrew Lunn <andrew@...n.ch>,
 Vladimir Oltean <olteanv@...il.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Atin Bainada <hi@...nb.me>, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [net-next PATCH 3/3] net: dsa: qca8k: limit user ports access to
 the first CPU port on setup

On 7/23/23 20:30, Christian Marangi wrote:
> In preparation for multi-CPU support, set CPU port LOOKUP MEMBER outside
> the port loop and setup the LOOKUP MEMBER mask for user ports only to
> the first CPU port.
> 
> This is to handle flooding condition where every CPU port is set as
> target and prevent packet duplication for unknown frames from user ports.
> 
> Secondary CPU port LOOKUP MEMBER mask will be setup later when
> port_change_master will be implemented.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian