From f54425a5b1009f2236690b07776e6dd6cbc87cdc Mon Sep 17 00:00:00 2001
From: sthen <sthen@openbsd.org>
Date: Wed, 4 Aug 2010 16:47:01 +0000
Subject: [PATCH] Print the MTU in OSPF dd packets. Borrowed from the ospf6
 printer. ok claudio@ deraadt@

---
 usr.sbin/tcpdump/ospf.h       | 4 ++--
 usr.sbin/tcpdump/print-ospf.c | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/usr.sbin/tcpdump/ospf.h b/usr.sbin/tcpdump/ospf.h
index 3013eb96a4f..007d1e26e26 100644
--- a/usr.sbin/tcpdump/ospf.h
+++ b/usr.sbin/tcpdump/ospf.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ospf.h,v 1.9 2007/06/14 03:23:49 reyk Exp $	*/
+/*	$OpenBSD: ospf.h,v 1.10 2010/08/04 16:47:01 sthen Exp $	*/
 
 /*
  * Copyright (c) 1991, 1993, 1994, 1995, 1996, 1997
@@ -193,7 +193,7 @@ struct ospfhdr {
 
 	/* Database Description packet */
 	struct {
-	    u_char db_zero[2];
+	    u_int16_t db_mtu;
 	    u_char db_options;
 	    u_char db_flags;
 	    u_int32_t db_seq;
diff --git a/usr.sbin/tcpdump/print-ospf.c b/usr.sbin/tcpdump/print-ospf.c
index a69898c3ded..bd25bb0657d 100644
--- a/usr.sbin/tcpdump/print-ospf.c
+++ b/usr.sbin/tcpdump/print-ospf.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: print-ospf.c,v 1.14 2009/10/27 23:59:55 deraadt Exp $	*/
+/*	$OpenBSD: print-ospf.c,v 1.15 2010/08/04 16:47:01 sthen Exp $	*/
 
 /*
  * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997
@@ -425,7 +425,8 @@ ospf_decode_v2(register const struct ospfhdr *op,
 			sep = '/';
 		}
 		TCHECK(op->ospf_db.db_seq);
-		printf(" S %X", (u_int32_t)ntohl(op->ospf_db.db_seq));
+		printf(" mtu %u S %X", ntohs(op->ospf_db.db_mtu),
+		    (u_int32_t)ntohl(op->ospf_db.db_seq));
 
 		if (vflag) {
 			/* Print all the LS adv's */
-- 
2.20.1