linux-kernel - [PATCH AUTOSEL 6.12 421/486] tools: ynl-gen: don't output external constants

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Message-Id: <20250505223922.2682012-421-sashal@kernel.org>
Date: Mon,  5 May 2025 18:38:17 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Sasha Levin <sashal@...nel.org>,
	donald.hunter@...il.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	sdf@...ichev.me,
	antonio@...nvpn.net,
	jstancek@...hat.com,
	johannes.berg@...el.com,
	netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 6.12 421/486] tools: ynl-gen: don't output external constants

From: Jakub Kicinski <kuba@...nel.org>

[ Upstream commit 7e8b24e24ac46038e48c9a042e7d9b31855cbca5 ]

A definition with a "header" property is an "external" definition
for C code, as in it is defined already in another C header file.
Other languages will need the exact value but C codegen should
not recreate it. So don't output those definitions in the uAPI
header.

Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Link: https://patch.msgid.link/20250203215510.1288728-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/net/ynl/ynl-gen-c.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 463f1394ab971..c78f1c1bca75c 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -2417,6 +2417,9 @@ def render_uapi(family, cw):
 
     defines = []
     for const in family['definitions']:
+        if const.get('header'):
+            continue
+
         if const['type'] != 'const':
             cw.writes_defines(defines)
             defines = []
-- 
2.39.5