diff --git a/src/include/arpa/tftp.h b/src/include/arpa/tftp.h
index 0f6fe83a..8f9d4b89 100644
--- a/src/include/arpa/tftp.h
+++ b/src/include/arpa/tftp.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: tftp.h,v 1.6 2006/07/20 09:42:44 mglocker Exp $	*/
+/*	$OpenBSD: tftp.h,v 1.7 2006/07/26 09:10:03 mglocker Exp $	*/
 /*	$NetBSD: tftp.h,v 1.3 1994/10/26 00:56:48 cgd Exp $	*/
 
 /*
@@ -41,6 +41,9 @@
 #define	SEGSIZE		512		/* data segment size */
 #define SEGSIZE_MIN	8		/* minimal data segment size */
 #define SEGSIZE_MAX	65464		/* maximal data segment size */
+#define TIMEOUT		5		/* packet rexmt timeout */
+#define TIMEOUT_MIN	1		/* minimal packet rexmt timeout */
+#define TIMEOUT_MAX	255		/* maximal packet rexmt timeout */
 
 /*
  * Packet types.