netdev - [PATCH net-next] tools: ynl-gen: use uapi header name for the header guard

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Message-ID: <20231003225735.2659459-1-kuba@kernel.org>
Date: Tue,  3 Oct 2023 15:57:35 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: davem@...emloft.net
Cc: netdev@...r.kernel.org,
	edumazet@...gle.com,
	pabeni@...hat.com,
	Jakub Kicinski <kuba@...nel.org>,
	Chuck Lever <chuck.lever@...cle.com>
Subject: [PATCH net-next] tools: ynl-gen: use uapi header name for the header guard

Chuck points out that we should use the uapi-header property
when generating the guard. Otherwise we may generate the same
guard as another file in the tree.

Tested-by: Chuck Lever <chuck.lever@...cle.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
---
 tools/net/ynl/ynl-gen-c.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 897af958cee8..168fe612b029 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -805,6 +805,10 @@ from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, S
             self.uapi_header = self.yaml['uapi-header']
         else:
             self.uapi_header = f"linux/{self.name}.h"
+        if self.uapi_header.startswith("linux/") and self.uapi_header.endswith('.h'):
+            self.uapi_header_name = self.uapi_header[6:-2]
+        else:
+            self.uapi_header_name = self.name
 
     def resolve(self):
         self.resolve_up(super())
@@ -2124,7 +2128,7 @@ _C_KW = {
 
 
 def render_uapi(family, cw):
-    hdr_prot = f"_UAPI_LINUX_{family.name.upper()}_H"
+    hdr_prot = f"_UAPI_LINUX_{c_upper(family.uapi_header_name)}_H"
     cw.p('#ifndef ' + hdr_prot)
     cw.p('#define ' + hdr_prot)
     cw.nl()
-- 
2.41.0