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SubjectRe: [PATCH net-next v2 1/9] doc: net: add backplane documentation
On Fri, Apr 24, 2020 at 03:46:23PM +0300, Florinel Iordache wrote:
> +Supported platforms
> +===================
> +
> +Ethernet Backplane is enabled on the following platforms:
> +
> +LS1046A
> +LS1088A
> +LS2088A
> +LX2160A
> \ No newline at end of file

Please fix.

> diff --git a/Documentation/networking/phy.rst b/Documentation/networking/phy.rst
> index 2561060..1f1ebf2 100644
> --- a/Documentation/networking/phy.rst
> +++ b/Documentation/networking/phy.rst
> @@ -279,13 +279,22 @@ Some of the interface modes are described below:
> XFI and SFI are not PHY interface types in their own right.
>
> ``PHY_INTERFACE_MODE_10GKR``
> - This is the IEEE 802.3 Clause 49 defined 10GBASE-R with Clause 73
> - autonegotiation. Please refer to the IEEE standard for further
> - information.
> + This is 10G Ethernet Backplane over single lane specified in
> + IEEE802.3ap-2007 Amendment 4: Ethernet Operation over Electrical
> + Backplanes which includes the new Clause 69 through Clause 74
> + including autonegotiation. 10GKR uses the same physical layer
> + encoding as 10GBASE-R defined in IEEE802.3 Clause 49. Please refer
> + to the IEEE standard for further information.
>
> Note: due to legacy usage, some 10GBASE-R usage incorrectly makes
> use of this definition.
>
> +``PHY_INTERFACE_MODE_40GKR4``
> + This is 40G Ethernet Backplane over 4-lanes using the same main
> + standard used for Ethernet Operation over Electrical Backplanes
> + and additional specifications that define support for Ethernet
> + Backplane over 4-lanes specified in IEEE802.3ba-2010.
> +
> Pause frames / flow control
> ===========================
>

This ought to be in patch 3.

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