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

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Message-ID:
 <TY6PR01MB173777655F56FEDC8AAE308FCFFA6A@TY6PR01MB17377.jpnprd01.prod.outlook.com>
Date: Thu, 4 Dec 2025 17:02:38 +0000
From: John Madieu <john.madieu.xa@...renesas.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Prabhakar Mahadev Lad
	<prabhakar.mahadev-lad.rj@...renesas.com>, "andrew+netdev@...n.ch"
	<andrew+netdev@...n.ch>, "davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>, "kuba@...nel.org"
	<kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>, "robh@...nel.org"
	<robh@...nel.org>, "krzk+dt@...nel.org" <krzk+dt@...nel.org>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>, "geert+renesas@...der.be"
	<geert+renesas@...der.be>
CC: Biju Das <biju.das.jz@...renesas.com>, Claudiu.Beznea
	<claudiu.beznea@...on.dev>, "linux@...linux.org.uk" <linux@...linux.org.uk>,
	magnus.damm <magnus.damm@...il.com>, "mcoquelin.stm32@...il.com"
	<mcoquelin.stm32@...il.com>, "alexandre.torgue@...s.st.com"
	<alexandre.torgue@...s.st.com>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>, "linux-renesas-soc@...r.kernel.org"
	<linux-renesas-soc@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>
Subject: RE: [PATCH net-next 0/3] net: stmmac: add physical port
 identification support

Hi Krystof,

> -----Original Message-----
> From: Krzysztof Kozlowski <krzk@...nel.org>
> Sent: Thursday, December 4, 2025 5:55 PM
> To: John Madieu <john.madieu.xa@...renesas.com>; Prabhakar Mahadev Lad
> <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 <biju.das.jz@...renesas.com>; Claudiu.Beznea
> <claudiu.beznea@...on.dev>; linux@...linux.org.uk; magnus.damm
> <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.

I'm sorry for the noise. Something wrong happened while sending
the patch series out. Will take care next time.

Regard,
John

> 
> Best regards,
> Krzysztof