Print the MTU in OSPF dd packets. Borrowed from the ospf6 printer.

ok claudio@ deraadt@

diff --git a/usr.sbin/tcpdump/ospf.h b/usr.sbin/tcpdump/ospf.h
index 3013eb9..007d1e2 100644 (file)
--- 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 a69898c..bd25bb0 100644 (file)
--- 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 */