netdev - [PATCH net-next v2 03/12] tools: ynl-gen: fill in missing empty attr lists

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Message-ID: <20250425024311.1589323-4-kuba@kernel.org>
Date: Thu, 24 Apr 2025 19:43:02 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	andrew+netdev@...n.ch,
	horms@...nel.org,
	donald.hunter@...il.com,
	jacob.e.keller@...el.com,
	sdf@...ichev.me,
	jdamato@...tly.com,
	Jakub Kicinski <kuba@...nel.org>
Subject: [PATCH net-next v2 03/12] tools: ynl-gen: fill in missing empty attr lists

The C codegen refers to op attribute lists all over the place,
without checking if they are present, even tho attribute list
is technically an optional property. Add them automatically
at init if missing so that we don't have to make specs longer.

Reviewed-by: Jacob Keller <jacob.e.keller@...el.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
v2:
 - use Jake's suggestion
v1: https://lore.kernel.org/20250424021207.1167791-4-kuba@kernel.org
---
 tools/net/ynl/pyynl/ynl_gen_c.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/net/ynl/pyynl/ynl_gen_c.py b/tools/net/ynl/pyynl/ynl_gen_c.py
index 90f7fe6b623b..898c41a7a81f 100755
--- a/tools/net/ynl/pyynl/ynl_gen_c.py
+++ b/tools/net/ynl/pyynl/ynl_gen_c.py
@@ -938,6 +938,14 @@ from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, S
 
 class Operation(SpecOperation):
     def __init__(self, family, yaml, req_value, rsp_value):
+        # Fill in missing operation properties (for fixed hdr-only msgs)
+        for mode in ['do', 'dump', 'event']:
+            for direction in ['request', 'reply']:
+                try:
+                    yaml[mode][direction].setdefault('attributes', [])
+                except KeyError:
+                    pass
+
         super().__init__(family, yaml, req_value, rsp_value)
 
         self.render_name = c_lower(family.ident_name + '_' + self.name)
-- 
2.49.0