netdev - Re: [PATCH net-next 0/3] net: stmmac: add physical port identification support

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Message-ID: <f169f89b-3694-41b0-a431-cc845ad659da@kernel.org>
Date: Thu, 4 Dec 2025 17:55:19 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: John Madieu <john.madieu.xa@...renesas.com>,
 prabhakar.mahadev-lad.rj@...renesas.com, andrew+netdev@...n.ch,
 davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 geert+renesas@...der.be
Cc: biju.das.jz@...renesas.com, claudiu.beznea@...on.dev,
 linux@...linux.org.uk, magnus.damm@...il.com, mcoquelin.stm32@...il.com,
 alexandre.torgue@...s.st.com, netdev@...r.kernel.org,
 linux-renesas-soc@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 0/3] net: stmmac: add physical port
 identification support

On 04/12/2025 17:40, John Madieu wrote:
> This series adds physical port identification support to the stmmac driver,
> enabling userspace to query hardware-stable identifiers for network interfaces
> via ndo_get_phys_port_id() and ndo_get_phys_port_name().
> 
> On systems with multiple ethernet controllers sharing the same driver,
> physical port identification provides stable identifiers that persist
> across reboots and are independent of interface enumeration order.
> This is particularly useful for predictable network interface naming
> and for correlating interfaces with physical connectors.
> 
> The implementation follows a two-tier approach:
> 


Please slow down. You sent three copies of the same.

Best regards,
Krzysztof