netdev - Re: [PATCH v2 0/4] dt-bindings: net: Add network-class.yaml schema

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Message-ID: <20230220114016.71628270@kernel.org>
Date:   Mon, 20 Feb 2023 11:40:16 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Janne Grunau <j@...nau.net>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Mailing List <devicetree-spec@...r.kernel.org>,
        Kalle Valo <kvalo@...nel.org>, van Spriel <arend@...adcom.com>,
        Jérôme Pouiller <jerome.pouiller@...abs.com>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Ley Foon Tan <lftan@...era.com>,
        Chee Nouk Phoon <cnphoon@...era.com>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-wireless@...r.kernel.org
Subject: Re: [PATCH v2 0/4] dt-bindings: net: Add network-class.yaml schema

On Sun, 12 Feb 2023 13:16:28 +0100 Janne Grunau wrote:
> The Devicetree Specification, Release v0.3 specifies in section 4.3.1
> a "Network Class Binding". This covers MAC address and maximal frame
> size properties. "local-mac-address" and "mac-address" with a fixed
> "address-size" of 48 bits are already in the ethernet-controller.yaml
> schema so move those over.
> 
> Keep "address-size" fixed to 48 bits as it's unclear if network protocols
> using 64-bit mac addresses like ZigBee, 6LoWPAN and others are relevant for
> this binding. This allows mac address array size validation for ethernet
> and wireless lan devices.
> 
> "max-frame-size" in the Devicetree Specification is written to cover the
> whole layer 2 ethernet frame but actual use for this property is the
> payload size. Keep the description from ethernet-controller.yaml which
> specifies the property as MTU.

Rob, Krzysztof - is this one on your todo list? It's been hanging
around in my queue, I'm worried I missed some related conversation.