1 files changed, 12 insertions, 14 deletions
diff --git a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
index d4644c7..a1abf6f 100644
--- a/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
+++ b/MdeModulePkg/Universal/Network/Mtftp4Dxe/Mtftp4Impl.h
@@ -48,20 +48,18 @@ typedef struct _MTFTP4_PROTOCOL MTFTP4_PROTOCOL;
 ///
 /// Some constant value of Mtftp service.
 ///
-typedef enum {
-  MTFTP4_SERVICE_SIGNATURE   = SIGNATURE_32 ('T', 'F', 'T', 'P'),
-  MTFTP4_PROTOCOL_SIGNATURE  = SIGNATURE_32 ('t', 'f', 't', 'p'),
-
-  MTFTP4_DEFAULT_SERVER_PORT = 69,
-  MTFTP4_DEFAULT_TIMEOUT     = 3,
-  MTFTP4_DEFAULT_RETRY       = 5,
-  MTFTP4_DEFAULT_BLKSIZE     = 512,
-  MTFTP4_TIME_TO_GETMAP      = 5,
-
-  MTFTP4_STATE_UNCONFIGED    = 0,
-  MTFTP4_STATE_CONFIGED,
-  MTFTP4_STATE_DESTORY
-} MTFTP4_SERVICE_CONST_VALUE;
+#define MTFTP4_SERVICE_SIGNATURE    SIGNATURE_32 ('T', 'F', 'T', 'P')
+#define MTFTP4_PROTOCOL_SIGNATURE   SIGNATURE_32 ('t', 'f', 't', 'p')
+
+#define MTFTP4_DEFAULT_SERVER_PORT  69
+#define MTFTP4_DEFAULT_TIMEOUT      3
+#define MTFTP4_DEFAULT_RETRY        5
+#define MTFTP4_DEFAULT_BLKSIZE      512
+#define MTFTP4_TIME_TO_GETMAP       5
+
+#define MTFTP4_STATE_UNCONFIGED     0
+#define MTFTP4_STATE_CONFIGED       1
+#define MTFTP4_STATE_DESTORY        2
 
 ///
 /// Mtftp service block