korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-25 13:14:07 +08:00
Code Issues Packages Projects Releases Wiki Activity

tools/net/ynl: Implement nlattr array-nest decoding in ynl

Browse Source 
Add support for the 'array-nest' attribute type that is used by several
netlink-raw families.

Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://lore.kernel.org/r/20230825122756.7603-9-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Donald Hunter 2023-08-25 13:27:51 +01:00 committed by Jakub Kicinski
parent e46dd903ef
commit 0493e56d02
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
tools/net/ynl/lib/ynl.py
View File

@ -497,6 +497,17 @@ class YnlFamily(SpecFamily):
decoded = NlAttr.formatted_string(decoded, attr_spec.display_hint)
return decoded
def _decode_array_nest(self, attr, attr_spec):
decoded = []
offset = 0
while offset < len(attr.raw):
item = NlAttr(attr.raw, offset)
offset += item.full_len
subattrs = self._decode(NlAttrs(item.raw), attr_spec['nested-attributes'])
decoded.append({ item.type: subattrs })
return decoded
def _decode(self, attrs, space):
attr_space = self.attr_sets[space]
rsp = dict()
@ -516,6 +527,8 @@ class YnlFamily(SpecFamily):
decoded = True
elif attr_spec["type"] in NlAttr.type_formats:
decoded = attr.as_scalar(attr_spec['type'], attr_spec.byte_order)
elif attr_spec["type"] == 'array-nest':
decoded = self._decode_array_nest(attr, attr_spec)
else:
raise Exception(f'Unknown {attr_spec["type"]} with name {attr_spec["name"]}')