auto import from //depot/cupcake/@135843
diff --git a/print-mobile.c b/print-mobile.c
new file mode 100644
index 0000000..fe6f013
--- /dev/null
+++ b/print-mobile.c
@@ -0,0 +1,109 @@
+/* $NetBSD: print-mobile.c,v 1.2 1998/09/30 08:57:01 hwr Exp $ */
+
+/*
+ * (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Heiko W.Rupp <hwr@pilhuhn.de>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-mobile.c,v 1.15 2004/03/24 01:58:14 guy Exp $";
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h" /* must come after interface.h */
+
+#define MOBILE_SIZE (8)
+
+struct mobile_ip {
+ u_int16_t proto;
+ u_int16_t hcheck;
+ u_int32_t odst;
+ u_int32_t osrc;
+};
+
+#define OSRC_PRES 0x0080 /* old source is present */
+
+/*
+ * Deencapsulate and print a mobile-tunneled IP datagram
+ */
+void
+mobile_print(const u_char *bp, u_int length)
+{
+ const u_char *cp = bp +8 ;
+ const struct mobile_ip *mob;
+ u_short proto,crc;
+ u_char osp =0; /* old source address present */
+
+ mob = (const struct mobile_ip *)bp;
+
+ if (length < MOBILE_SIZE || !TTEST(*mob)) {
+ fputs("[|mobile]", stdout);
+ return;
+ }
+ fputs("mobile: ", stdout);
+
+ proto = EXTRACT_16BITS(&mob->proto);
+ crc = EXTRACT_16BITS(&mob->hcheck);
+ if (proto & OSRC_PRES) {
+ osp=1;
+ cp +=4 ;
+ }
+
+ if (osp) {
+ fputs("[S] ",stdout);
+ if (vflag)
+ (void)printf("%s ",ipaddr_string(&mob->osrc));
+ } else {
+ fputs("[] ",stdout);
+ }
+ if (vflag) {
+ (void)printf("> %s ",ipaddr_string(&mob->odst));
+ (void)printf("(oproto=%d)",proto>>8);
+ }
+ if (in_cksum((u_short *)mob, osp ? 12 : 8, 0)!=0) {
+ (void)printf(" (bad checksum %d)",crc);
+ }
+
+ return;
+}