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

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Message-ID: <CAL_Jsq+2_gQzAjAZQVux1GOff5ocdSz5qQMhjRzvtyD+9C-TQQ@mail.gmail.com>
Date:   Mon, 20 Feb 2023 15:49:44 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     Janne Grunau <j@...nau.net>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        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 Mon, Feb 20, 2023 at 1:40 PM Jakub Kicinski <kuba@...nel.org> wrote:
>
> 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.

Andrew suggested changes on 1 and 2 which seem reasonable to me.

Rob