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Jakub Kicinski c1b27f0695 netlink: specs: define input-xfrm enum in the spec

Help YNL decode the values for input-xfrm by defining
the possible values in the spec. Don't define "no change"
as it's an IOCTL artifact with no use in Netlink.

With this change on mlx5 input-xfrm gets decoded:

 # ynl --family ethtool --dump rss-get
 [{'header': {'dev-index': 2, 'dev-name': 'eth0'},
   'hfunc': 1,
   'hkey': b'V\xa8\xf9\x9 ...',
   'indir': [0, 1, ... ],
   'input-xfrm': {'sym-or-xor'},                         <<<
   'flow-hash': {'ah4': {'ip-dst', 'ip-src'},
                 'ah6': {'ip-dst', 'ip-src'},
                 'esp4': {'ip-dst', 'ip-src'},
                 'esp6': {'ip-dst', 'ip-src'},
                 'ip4': {'ip-dst', 'ip-src'},
                 'ip6': {'ip-dst', 'ip-src'},
                 'tcp4': {'l4-b-0-1', 'ip-dst', 'l4-b-2-3', 'ip-src'},
                 'tcp6': {'l4-b-0-1', 'ip-dst', 'l4-b-2-3', 'ip-src'},
                 'udp4': {'l4-b-0-1', 'ip-dst', 'l4-b-2-3', 'ip-src'},
                 'udp6': {'l4-b-0-1', 'ip-dst', 'l4-b-2-3', 'ip-src'}}
 }]

Reviewed-by: Gal Pressman <gal@nvidia.com>
Link: https://patch.msgid.link/20250716000331.1378807-9-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2025-07-17 16:13:59 -07:00