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Diffstat (limited to 'MdeModulePkg/Include/Library/NetLib.h')
-rw-r--r--MdeModulePkg/Include/Library/NetLib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/MdeModulePkg/Include/Library/NetLib.h b/MdeModulePkg/Include/Library/NetLib.h
index 07bf2cbc9f..2eab4a3329 100644
--- a/MdeModulePkg/Include/Library/NetLib.h
+++ b/MdeModulePkg/Include/Library/NetLib.h
@@ -51,6 +51,8 @@ typedef UINT16 TCP_PORTNO;
#define IP6_ESP 50
#define IP6_NO_NEXT_HEADER 59
+#define IP_VERSION_4 4
+#define IP_VERSION_6 6
#pragma pack(1)