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

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Date:   Sun, 12 Feb 2023 13:16:28 +0100
From:   Janne Grunau <j@...nau.net>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        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>
Cc:     netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        Janne Grunau <j@...nau.net>
Subject: [PATCH v2 0/4] dt-bindings: net: Add network-class.yaml schema

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.

Signed-off-by: Janne Grunau <j@...nau.net>
---
Changes in v2:
- Added "max-frame-size" with the description from ethernet-controller.yaml
- Restrict "address-size" to 48-bits
- Fix the mac-address array size to 6 bytes
- Drop duplicate default value from "max-frame-size" description
- Fix 2 nios2 dts files which incorrectly use the ethernet frame size of 1518
- Link to v1: https://lore.kernel.org/r/20230203-dt-bindings-network-class-v1-0-452e0375200d@jannau.net

---
Janne Grunau (4):
      dt-bindings: net: Add network-class schema for mac-address properties
      dt-bindings: wireless: bcm4329-fmac: Use network-class.yaml schema
      dt-bindings: wireless: silabs,wfx: Use network-class.yaml
      nios2: dts: Fix tse_mac "max-frame-size" property

 .../bindings/net/ethernet-controller.yaml          | 25 +-----------
 .../devicetree/bindings/net/network-class.yaml     | 44 ++++++++++++++++++++++
 .../bindings/net/wireless/brcm,bcm4329-fmac.yaml   |  5 ++-
 .../bindings/net/wireless/silabs,wfx.yaml          |  5 +--
 arch/nios2/boot/dts/10m50_devboard.dts             |  2 +-
 arch/nios2/boot/dts/3c120_devboard.dts             |  2 +-
 6 files changed, 52 insertions(+), 31 deletions(-)
---
base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2
change-id: 20230203-dt-bindings-network-class-8367edd679d2

Best regards,
-- 
Janne Grunau <j@...nau.net>