ynl/lib/nlspec.py

1 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
37             self.ident_name = self.name.replace('-', '_')
75         super().__init__(enum_set.family, yaml)
114         super().__init__(family, yaml)
119         value_start = self.yaml.get('value-start', 0)
154         attr_set      Attribute Set containing this attr
163                       sub-message type
165         is_auto_scalar bool, attr is a variable-size scalar
168         super().__init__(family, yaml)
173         self.is_multi = yaml.get('multi-attr', False)
175         self.sub_type = yaml.get('sub-type')
176         self.byte_order = yaml.get('byte-order')
178         self.display_hint = yaml.get('display-hint')
179         self.sub_message = yaml.get('sub-message')
186     """ Netlink Attribute Set class.
191     via the dictionary interface Attribute Set exposes attributes by name.
196         subset_of  parent set if this is a subset, otherwise None
199         super().__init__(family, yaml)
201         self.subset_of = self.yaml.get('subset-of', None)
254         super().__init__(family, yaml)
256         self.byte_order = yaml.get('byte-order')
259         self.display_hint = yaml.get('display-hint')
272         super().__init__(family, yaml)
289     """ Netlink sub-message definition
291     Represents a set of sub-message formats for polymorphic nlattrs
292     that contain type-specific sub messages.
295         name     string, name of sub-message definition
296         formats  dict of sub-message formats indexed by match value
299         super().__init__(family, yaml)
311     """ Netlink sub-message format definition
313     Represents a single format for a sub-message.
318         attr_set      string, name of attribute set, or None
321         super().__init__(family, yaml)
324         self.fixed_header = yaml.get('fixed-header')
325         self.attr_set = yaml.get('attribute-set')
336         req_value       numerical ID when serialized, user -> kernel
337         rsp_value       numerical ID when serialized, user <- kernel
342         attr_set        attribute set name
348         super().__init__(family, yaml)
358         self.fixed_header = self.yaml.get('fixed-header', family.fixed_header)
365         self.resolve_up(super())
367         if 'attribute-set' in self.yaml:
368             attr_set_name = self.yaml['attribute-set']
371             attr_set_name = msg['attribute-set']
375             raise Exception(f"Can't resolve attribute set for op '{self.name}'")
386     netlink-raw schema. Genetlink families use dynamic ID allocation
392         value     integer id of this multicast group for netlink-raw or None
396         super().__init__(family, yaml)
412         msg_id_model   enum-model for operations (unified, directional etc.)
427             prefix = '# SPDX-License-Identifier: '
438         super().__init__(self, spec)
443         self.msg_id_model = self.yaml['operations'].get('enum-model', 'unified')
467         self.kernel_family = collections.OrderedDict(self.yaml.get('kernel-family', {}))
510         self.fixed_header = self.yaml['operations'].get('fixed-header')
522         self.fixed_header = self.yaml['operations'].get('fixed-header')
573         self.resolve_up(super())
584         for elem in self.yaml['attribute-sets']:
588         for elem in self.yaml.get('sub-messages', []):
602             if not op.is_async and 'attribute-set' in op:
607         mcgs = self.yaml.get('mcast-groups')