Add new routines:

[obnox/wireshark/wip.git] / packet-tpkt.h

diff --git a/packet-tpkt.h b/packet-tpkt.h
index bee7cecd335abfc5945a8e445bc1e33fcd9d87d4..d5e1665fc707d2c95259a2086e68b3da3c419f64 100644 (file)
--- a/packet-tpkt.h
+++ b/packet-tpkt.h
@@ -5,21 +5,22 @@
  * Copyright 2000, Philips Electronics N.V.
  * Andreas Sikkema <andreas.sikkema@philips.com>
  *
+ * $Id: packet-tpkt.h,v 1.9 2002/08/28 21:00:36 jmayer Exp $
+ *
  * Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@zing.org>
+ * By Gerald Combs <gerald@ethereal.com>
  * 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.
@@ -27,18 +28,18 @@
 
 /*
  * Check whether this could be a TPKT-encapsulated PDU.
+ * Returns -1 if it's not, and the PDU length from the TPKT header
+ * if it is.
+ *
+ * "min_len" is the minimum length of the PDU; the length field in the
+ * TPKT header must be at least "4+min_len" in order for this to be a
+ * valid TPKT PDU for the protocol in question.
  */
-gboolean is_tpkt( tvbuff_t *tvb, unsigned int* offset );
-
+extern int is_tpkt(tvbuff_t *tvb, int min_len);
 
 /*
- * Dissect the TPKT header; called from the TPKT dissector, as well as
- * from dissectors such as the dissector for Q.931-over-TCP.
- *
- * Returns -1 if TPKT isn't enabled, otherwise returns the PDU length
- * from the TPKT header.
- *
- * Sets "*offset" to the offset following the TPKT header.
+ * Dissect TPKT-encapsulated data in a TCP stream.
  */
-int dissect_tpkt_header( tvbuff_t *tvb, unsigned int* offset,
-    packet_info *pinfo, proto_tree *tree );
+extern void dissect_tpkt_encap(tvbuff_t *tvb, packet_info *pinfo,
+    proto_tree *tree, gboolean desegment,
+    dissector_handle_t subdissector_handle);