netdev - ynl ethtool subscribe issue

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Message-ID: <20241017180551.1259bf5c@kmaincent-XPS-13-7390>
Date: Thu, 17 Oct 2024 18:05:51 +0200
From: Kory Maincent <kory.maincent@...tlin.com>
To: netdev@...r.kernel.org, donald.hunter@...il.com, kuba@...nel.org
Cc: Maxime Chevallier <maxime.chevallier@...tlin.com>
Subject: ynl ethtool subscribe issue

Hello,

It seems there is an issue with ynl tool and ethtool specs:

# ./ynl/cli.py --spec netlink/specs/ethtool.yaml --no-schema --subscribe monitor
 --sleep 10 &
# ethtool -K eth0 rx-gro-list on
# Traceback (most recent call last):
  File "/root/ynl/lib/ynl.py", line 723, in _decode
    attr_spec = attr_space.attrs_by_val[attr.type]
                ~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
KeyError: 4

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/root/./ynl/cli.py", line 114, in <module>
    main()
  File "/root/./ynl/cli.py", line 109, in main
    ynl.check_ntf()
  File "/root/ynl/lib/ynl.py", line 930, in check_ntf
    self.handle_ntf(decoded)
  File "/root/ynl/lib/ynl.py", line 898, in handle_ntf
    attrs = self._decode(decoded.raw_attrs, op.attr_set.name)
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/root/ynl/lib/ynl.py", line 732, in _decode
    subdict = self._decode(NlAttrs(attr.raw), attr_spec['nested-attributes'],
search_attrs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/root/ynl/lib/ynl.py", line 726, in _decode raise Exception(f"Space
'{space}' has no attribute with value '{attr.type}'") Exception: Space 'bitset'
has no attribute with value '4'

I used set_features netlink command but all of ethtool commands are not working.
I am not a ynl expert so someone may find the issue before I do.
That would be kind!

Regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com