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

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Message-ID: <96ef7250-d382-095c-495b-836d5c61ab31@gmail.com>
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