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tools: ynl: add support for encoding multi-attr

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Multi-attr elements could not be encoded because of missing logic in the
ynl code. Enable encoding of these attributes by checking if the
attribute is a multi-attr and if the value to be processed is a list.

This has been tested both with the taprio and ets qdisc which contain
this kind of attributes.

Signed-off-by: Alessandro Marcolini <alessandromarcolini99@gmail.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/c5bc9f5797168dbf7a4379c42f38d5de8ac7f38a.1706962013.git.alessandromarcolini99@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Alessandro Marcolini 2024-02-03 14:16:53 +01:00 committed by Jakub Kicinski
parent 70ff9a91e8
commit b9bcfc3bc9
1 changed files with 7 additions and 0 deletions
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7
tools/net/ynl/lib/ynl.py
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@ -444,6 +444,13 @@ class YnlFamily(SpecFamily):
except KeyError:
raise Exception(f"Space '{space}' has no attribute '{name}'")
nl_type = attr.value
if attr.is_multi and isinstance(value, list):
attr_payload = b''
for subvalue in value:
attr_payload += self._add_attr(space, name, subvalue, search_attrs)
return attr_payload
if attr["type"] == 'nest':
nl_type |= Netlink.NLA_F_NESTED
attr_payload = b''