From: Chuck Lever <chuck.lever@oracle.com>
Date: Thu, 3 Oct 2024 18:54:34 +0000 (-0400)
Subject: xdrgen: XDR widths for enum types
X-Git-Tag: v6.13-rc1~76^2~58
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3f890755c8f5958ef537a6d8f14de5ec4bfdc3fe;p=thirdparty%2Fkernel%2Flinux.git

xdrgen: XDR widths for enum types

RFC 4506 says that an XDR enum is represented as a signed integer
on the wire; thus its width is 1 XDR_UNIT.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
---

diff --git a/tools/net/sunrpc/xdrgen/xdr_ast.py b/tools/net/sunrpc/xdrgen/xdr_ast.py
index f1d93a1d0ed8a..fbee954c7f706 100644
--- a/tools/net/sunrpc/xdrgen/xdr_ast.py
+++ b/tools/net/sunrpc/xdrgen/xdr_ast.py
@@ -227,6 +227,18 @@ class _XdrEnum(_XdrAst):
     maximum: int
     enumerators: List[_XdrEnumerator]
 
+    def max_width(self) -> int:
+        """Return width of type in XDR_UNITS"""
+        return 1
+
+    def symbolic_width(self) -> List:
+        """Return list containing XDR width of type's components"""
+        return ["XDR_int"]
+
+    def __post_init__(self):
+        max_widths[self.name] = self.max_width()
+        symbolic_widths[self.name] = self.symbolic_width()
+
 
 @dataclass
 class _XdrStruct(_XdrAst):