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Date: Sat,  2 Dec 2023 13:10:05 -0800
From: Jakub Kicinski <>
	Jakub Kicinski <>,
Subject: [PATCH net-next] tools: pynl: make flags argument optional for do()

Commit 1768d8a767f8 ("tools/net/ynl: Add support for create flags")
added support for setting legacy netlink CRUD flags on netlink
messages (NLM_F_REPLACE, _EXCL, _CREATE etc.).

Most of genetlink won't need these, don't force callers to pass
in an empty argument to each do() call.

Signed-off-by: Jakub Kicinski <>
 tools/net/ynl/lib/ | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/net/ynl/lib/ b/tools/net/ynl/lib/
index 92995bca14e1..c56dad9593c6 100644
--- a/tools/net/ynl/lib/
+++ b/tools/net/ynl/lib/
@@ -705,7 +705,7 @@ genl_family_name_to_id = None
       return op['do']['request']['attributes'].copy()
-    def _op(self, method, vals, flags, dump=False):
+    def _op(self, method, vals, flags=None, dump=False):
         op = self.ops[method]
         nl_flags = Netlink.NLM_F_REQUEST | Netlink.NLM_F_ACK
@@ -769,7 +769,7 @@ genl_family_name_to_id = None
             return rsp[0]
         return rsp
-    def do(self, method, vals, flags):
+    def do(self, method, vals, flags=None):
         return self._op(method, vals, flags)
     def dump(self, method, vals):

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