ynl/lib/nlspec.py

1 # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
37             self.ident_name = self.name.replace('-', '_')
119         value_start = self.yaml.get('value-start', 0)
149     Represents a single attribute type within an attr space.
152         type          string, attribute type
154         attr_set      Attribute Set containing this attr
162         selector      string, name of attribute used to select
163                       sub-message type
165         is_auto_scalar bool, attr is a variable-size scalar
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
201         self.subset_of = self.yaml.get('subset-of', None)
240     """Struct member attribute
242     Represents a single struct member attribute.
245         type        string, type of the member attribute
255         self.byte_order = yaml.get('byte-order')
258         self.display_hint = yaml.get('display-hint')
287     """ Netlink sub-message definition
289     Represents a set of sub-message formats for polymorphic nlattrs
290     that contain type-specific sub messages.
293         name     string, name of sub-message definition
294         formats  dict of sub-message formats indexed by match value
309     """ Netlink sub-message definition
311     Represents a set of sub-message formats for polymorphic nlattrs
312     that contain type-specific sub messages.
315         value         attribute value to match against type selector
317         attr_set      string, name of attribute set, or None
323         self.fixed_header = yaml.get('fixed-header')
324         self.attr_set = yaml.get('attribute-set')
335         req_value       numerical ID when serialized, user -> kernel
336         rsp_value       numerical ID when serialized, user <- kernel
340         attr_set        attribute set name
355         self.fixed_header = self.yaml.get('fixed-header', family.fixed_header)
364         if 'attribute-set' in self.yaml:
365             attr_set_name = self.yaml['attribute-set']
368             attr_set_name = msg['attribute-set']
372             raise Exception(f"Can't resolve attribute set for op '{self.name}'")
383     netlink-raw schema. Genetlink families use dynamic ID allocation
389         value     integer id of this multicast group for netlink-raw or None
409         msg_id_model   enum-model for operations (unified, directional etc.)
412         attr_sets  dict of attribute sets
423             prefix = '# SPDX-License-Identifier: '
439         self.msg_id_model = self.yaml['operations'].get('enum-model', 'unified')
505         self.fixed_header = self.yaml['operations'].get('fixed-header')
517         self.fixed_header = self.yaml['operations'].get('fixed-header')
579         for elem in self.yaml['attribute-sets']:
583         for elem in self.yaml.get('sub-messages', []):
597             if not op.is_async and 'attribute-set' in op:
602         mcgs = self.yaml.get('mcast-groups')