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Message-ID: <20231013123249.bhigwsezy6afb5qt@skbuf>
Date: Fri, 13 Oct 2023 15:32:49 +0300
From: Vladimir Oltean <olteanv@...il.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: "David S. Miller" <davem@...emloft.net>, Andrew Lunn <andrew@...n.ch>,
Eric Dumazet <edumazet@...gle.com>,
Florian Fainelli <f.fainelli@...il.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Woojung Huh <woojung.huh@...rochip.com>,
Arun Ramadoss <arun.ramadoss@...rochip.com>,
Conor Dooley <conor+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>, kernel@...gutronix.de,
linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
UNGLinuxDriver@...rochip.com,
"Russell King (Oracle)" <linux@...linux.org.uk>,
devicetree@...r.kernel.org
Subject: Re: [PATCH net-next v3 2/7] net: dsa: microchip: Set unique MAC at
startup for WoL support
On Fri, Oct 13, 2023 at 02:24:00PM +0200, Oleksij Rempel wrote:
> Set a unique global MAC address for each switch on the network at system
> startup by syncing the switch's global MAC address with the Ethernet
> address of the DSA master interface. This is crucial for supporting
> Wake-on-LAN (WoL) functionality, as it requires a unique address for
> each switch.
>
> Although the operation is performed only at system start and won't sync
> if the master Ethernet address changes dynamically, it lays the
> groundwork for WoL support by ensuring a unique MAC address for each
> switch.
>
> Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
> ---
Why not take the MAC address of the user port at ksz9477_set_wol() time,
and use the existing ksz_switch_macaddr_get() API that was just added so
that this use case could work?
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