From Steve Karg:

Added MS/TP decoding for the WTAP BACnet MS/TP datalink, and added decoding for
BACnet MS/TP datalink from a Cimetrics U+4 which spews SNAP protocol packets.

svn path=/trunk/; revision=25291

1 files changed, 64 insertions, 0 deletions

diff --git a/epan/dissectors/packet-mstp.h b/epan/dissectors/packet-mstp.h
new file mode 100644
index 0000000000..9bca4059cf
--- /dev/null
+++ b/epan/dissectors/packet-mstp.h
@@ -0,0 +1,64 @@
+/* packet-mstp.h
+ * Routines for BACnet MS/TP datalink dissection
+ * Copyright 2008 Steve Karg <skarg@users.sourceforge.net> Alabama
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __MSTP_H__
+#define __MSTP_H__
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#if HAVE_ICONV
+#include <iconv.h>
+#endif
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib.h>
+
+#include <epan/packet.h>
+
+#ifndef min
+#define min(a,b) (((a)<(b))?(a):(b))
+#endif
+
+/**
+ * Dissects the BACnet MS/TP packet after the preamble,
+ * starting with the MS/TP Frame type octet.  Passes
+ * the PDU, if there is one, to the BACnet dissector.
+ * @param tvb
+ * @param pinfo
+ * @param tree
+ * @param subtree
+ * @param offset
+ * @return none
+ */
+void
+dissect_mstp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, proto_tree *subtree, gint offset);
+
+#endif /* __MSTP_H__ */
+
+