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Message-ID: <20250904220156.1006541-9-ast@fiberby.net>
Date: Thu, 4 Sep 2025 22:01:32 +0000
From: Asbjørn Sloth Tønnesen <ast@...erby.net>
To: "Jason A. Donenfeld" <Jason@...c4.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>
Cc: Asbjørn Sloth Tønnesen <ast@...erby.net>,
Donald Hunter <donald.hunter@...il.com>,
Simon Horman <horms@...nel.org>,
Jacob Keller <jacob.e.keller@...el.com>,
Andrew Lunn <andrew+netdev@...n.ch>,
wireguard@...ts.zx2c4.com,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH net-next 09/11] tools: ynl: encode indexed-array
This patch adds support for encoding indexed-array
attributes with sub-type nest in pyynl.
Signed-off-by: Asbjørn Sloth Tønnesen <ast@...erby.net>
---
tools/net/ynl/pyynl/lib/ynl.py | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tools/net/ynl/pyynl/lib/ynl.py b/tools/net/ynl/pyynl/lib/ynl.py
index 4928b41c636a..a37294a751da 100644
--- a/tools/net/ynl/pyynl/lib/ynl.py
+++ b/tools/net/ynl/pyynl/lib/ynl.py
@@ -564,6 +564,11 @@ class YnlFamily(SpecFamily):
nl_type |= Netlink.NLA_F_NESTED
sub_space = attr['nested-attributes']
attr_payload = self._add_nest_attrs(value, sub_space, search_attrs)
+ elif attr['type'] == 'indexed-array' and attr['sub-type'] == 'nest':
+ nl_type |= Netlink.NLA_F_NESTED
+ sub_space = attr['nested-attributes']
+ attr_payload = self._encode_indexed_array(value, sub_space,
+ search_attrs)
elif attr["type"] == 'flag':
if not value:
# If value is absent or false then skip attribute creation.
@@ -617,6 +622,9 @@ class YnlFamily(SpecFamily):
else:
raise Exception(f'Unknown type at {space} {name} {value} {attr["type"]}')
+ return self._add_attr_raw(nl_type, attr_payload)
+
+ def _add_attr_raw(self, nl_type, attr_payload):
pad = b'\x00' * ((4 - len(attr_payload) % 4) % 4)
return struct.pack('HH', len(attr_payload) + 4, nl_type) + attr_payload + pad
@@ -628,6 +636,15 @@ class YnlFamily(SpecFamily):
sub_attrs)
return attr_payload
+ def _encode_indexed_array(self, vals, sub_space, search_attrs):
+ attr_payload = b''
+ nested_flag = Netlink.NLA_F_NESTED
+ for i, val in enumerate(vals):
+ idx = i | Netlink.NLA_F_NESTED
+ val_payload = self._add_nest_attrs(val, sub_space, search_attrs)
+ attr_payload += self._add_attr_raw(idx, val_payload)
+ return attr_payload
+
def _get_enum_or_unknown(self, enum, raw):
try:
name = enum.entries_by_val[raw].name
--
2.51.0
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