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tools: ynl: Support enums in struct members in genetlink-legacy

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Support decoding scalars as enums in struct members for genetlink-legacy
specs.

Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Donald Hunter 2023-05-27 14:31:06 +01:00 committed by Jakub Kicinski
parent 5ac18889bd
commit 313a7a808c
3 changed files with 10 additions and 1 deletions
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3
Documentation/netlink/genetlink-legacy.yaml
View file

@ -127,6 +127,9 @@ properties:
doc:
description: Documentation for the struct member attribute.
type: string
enum:
description: Name of the enum type used for the attribute.
type: string
# End genetlink-legacy
attribute-sets:

2
tools/net/ynl/lib/nlspec.py
View file

@ -228,11 +228,13 @@ class SpecStructMember(SpecElement):
Attributes:
type string, type of the member attribute
byte_order string or None for native byte order
enum string, name of the enum definition
"""
def __init__(self, family, yaml):
super().__init__(family, yaml)
self.type = yaml['type']
self.byte_order = yaml.get('byte-order')
self.enum = yaml.get('enum')
class SpecStruct(SpecElement):

6
tools/net/ynl/lib/ynl.py
View file

@ -412,7 +412,11 @@ class YnlFamily(SpecFamily):
def _decode_binary(self, attr, attr_spec):
if attr_spec.struct_name:
decoded = attr.as_struct(self.consts[attr_spec.struct_name])
members = self.consts[attr_spec.struct_name]
decoded = attr.as_struct(members)
for m in members:
if m.enum:
self._decode_enum(decoded, m)
elif attr_spec.sub_type:
decoded = attr.as_c_array(attr_spec.sub_type)
else: