Re: [PATCH net-next v2 00/11] tools/net/ynl: Add 'sub-message' support to ynl

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Jakub Kicinski <kuba@xxxxxxxxxx> writes:

> On Mon, 11 Dec 2023 16:40:28 +0000 Donald Hunter wrote:
>> This patchset adds a 'sub-message' attribute type to the netlink-raw
>> schema and implements it in ynl. This provides support for kind-specific
>> options attributes as used in rt_link and tc raw netlink families.
>> 
>> A description of the new 'sub-message' attribute type and the
>> corresponding sub-message definitions is provided in patch 5.
>> 
>> The patchset includes updates to the rt_link spec and a new tc spec that
>> make use of the new 'sub-message' attribute type.
>> 
>> As mentioned in patch 7, encode support is not yet implemented in ynl
>> and support for sub-message selectors at a different nest level from the
>> key attribute is not yet supported. I plan to work on these in folloup
>> patches.
>
> Seems to break C codegen:

Ick. Sorry about that. How do you test/validate the C codegen?

> Traceback (most recent call last):
>   File "net-next/tools/net/ynl/ynl-gen-c.py", line 2802, in <module>
>     main()
>   File "net-next/tools/net/ynl/ynl-gen-c.py", line 2531, in main
>     parsed = Family(args.spec, exclude_ops)
>              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>   File "net-next/tools/net/ynl/ynl-gen-c.py", line 889, in __init__
>     super().__init__(file_name, exclude_ops=exclude_ops)
>   File "net-next/tools/net/ynl/lib/nlspec.py", line 481, in __init__
>     raise last_exception
>   File "net-next/tools/net/ynl/lib/nlspec.py", line 472, in __init__
>     elem.resolve()
>   File "net-next/tools/net/ynl/ynl-gen-c.py", line 907, in resolve
>     self.resolve_up(super())
>   File "net-next/tools/net/ynl/lib/nlspec.py", line 53, in resolve_up
>     up.resolve()
>   File "net-next/tools/net/ynl/lib/nlspec.py", line 583, in resolve
>     for elem in self.yaml['sub-messages']:
>                 ~~~~~~~~~^^^^^^^^^^^^^^^^




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