Re: [PATCH net-next v2 02/10] doc/netlink: Document the genetlink-legacy schema extensions

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On Tue, 15 Aug 2023 20:42:46 +0100 Donald Hunter wrote:
> Add description of genetlink-legacy specific attributes to the ynl spec
> documentation.
> 
> Signed-off-by: Donald Hunter <donald.hunter@xxxxxxxxx>
> ---
>  Documentation/userspace-api/netlink/specs.rst | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)

Should we merge this with genetlink-legacy.rst?

> diff --git a/Documentation/userspace-api/netlink/specs.rst b/Documentation/userspace-api/netlink/specs.rst
> index 2e4acde890b7..dde70f9674d4 100644
> --- a/Documentation/userspace-api/netlink/specs.rst
> +++ b/Documentation/userspace-api/netlink/specs.rst
> @@ -443,3 +443,50 @@ nest
>  
>  Attribute containing other (nested) attributes.
>  ``nested-attributes`` specifies which attribute set is used inside.
> +
> +genetlink-legacy
> +================
> +
> +The genetlink-legacy schema extends the genetlink schema with some additional
> +properties that are needed to support legacy genetlink families.
> +
> +Globals
> +-------
> +
> + - ``kernel-policy`` - Specify whether the kernel input policy is ``global``,
> +   ``per-op`` or ``split``.

Maybe a few more words:

 Specify whether the kernel input policy is ``global`` i.e. the same for
 all operation of the family, defined for each operation individually 
 (``per-op``), or separately for each operation and operation type
 (do vs dump) - ``split``.

> +   ``per-op`` or ``split``.

> +Struct definitions
> +------------------
> +
> +There is a new type of definition called ``struct`` which is used for declaring
> +the C struct format of fixed headers and binary attributes.
> +
> +members
> +~~~~~~~
> +
> + - ``name`` - The attribute name of the struct member
> + - ``type`` - One of the scalar types ``u8``, ``u16``, ``u32``, ``u64``, ``s8``,
> +   ``s16``, ``s32``, ``s64``, ``string`` or ``binary``.
> + - ``byte-order`` - ``big-endian`` or ``little-endian``
> + - ``doc``, ``enum``, ``enum-as-flags``, ``display-hint`` - Same as for
> +   attribute definitions.

Hm, genetlink-legacy.rst has this:

https://docs.kernel.org/next/userspace-api/netlink/genetlink-legacy.html#structures

But the larger section is called "Other quirks (todo)"
I guess you have tackled most of the items in this section
so we shouldn't call it "todo" ?



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