netdev - Re: [PATCH v5 net-next 2/5] net: dsa: notify drivers of MAC address changes on user ports

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Date: Thu, 21 Sep 2023 10:49:11 -0700
From: Florian Fainelli <f.fainelli@...il.com>
To: Lukasz Majewski <lukma@...x.de>, Tristram.Ha@...rochip.com,
 Eric Dumazet <edumazet@...gle.com>, Andrew Lunn <andrew@...n.ch>,
 davem@...emloft.net, Woojung Huh <woojung.huh@...rochip.com>,
 Vladimir Oltean <olteanv@...il.com>, Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH v5 net-next 2/5] net: dsa: notify drivers of MAC address
 changes on user ports

On 9/20/23 04:43, Lukasz Majewski wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> In some cases, drivers may need to veto the changing of a MAC address on
> a user port. Such is the case with KSZ9477 when it offloads a HSR device,
> because it programs the MAC address of multiple ports to a shared
> hardware register. Those ports need to have equal MAC addresses for the
> lifetime of the HSR offload.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
> Signed-off-by: Lukasz Majewski <lukma@...x.de>

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