linux-kernel - Re: [PATCH for net-next] if_ether.h: Clarify ethertype validity for gsw1xx dsa

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Message-ID: <5a7f0105-801d-41d9-850c-03783d76f3e1@axis.com>
Date: Mon, 17 Nov 2025 10:02:05 +0100
From: Peter Enderborg <peterend@...s.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
 "David S . Miller" <davem@...emloft.net>, Eric Dumazet
 <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
 Daniel Golle <daniel@...rotopia.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH for net-next] if_ether.h: Clarify ethertype validity for
 gsw1xx dsa

(resend due to html bounce)
On 11/15/25 21:41, Andrew Lunn wrote:
> On Fri, Nov 14, 2025 at 02:59:36PM +0100, Peter Enderborg wrote:
>> Ref https://standards-oui.ieee.org/ethertype/eth.txt
>>
>>
> Is this actually registered with IANA?

No.

> https://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml
>
> Does not list it. Please keep the "NOT AN OFFICIALLY REGISTERED ID" if
> it is not.

Let med quote  text from your link.

Note

    This page has assignments under the control of the IEEE
    Registration Authority that are of primarily historic interest
    that and have traditionally been on the IANA web pages.
    For allocations under the IANA OUI [RFC9542 <https://www.iana.org/go/rfc9542>], see the "Ethernet
    Numbers" IANA web page.  Contact information for the IEEE
    Registration Authority is as follows:http://standards.ieee.org/develop/regauth

Ethertypes:

Registration Procedure(s)

    Not assigned by IANA. Per [RFC9542 <https://www.iana.org/go/rfc9542>], updates to this registry
    are coordinated with the expert.

Note

    The following list of Ethertypes is contributed unverified
    information from various sources.  See the IEEE Registration
    Authority web pages at [http://standards.ieee.org/develop/regauth]
    for a public list of Ethertypes.

    Another list of Ethertypes is maintained by Michael A. Patton
    and is accessible at:http://www.cavebear.com/archive/cavebear/Ethernet/index.html

> 	Andrew

IEEE is the official source to use for ethertype number assignment.

/Peter