2002-07-12 22:52:43 +00:00
|
|
|
/* packet-uccrsp.c
|
|
|
|
* Routines for Upstream Channel Change Response dissection
|
2003-05-28 14:52:53 +00:00
|
|
|
* Copyright 2002, Anand V. Narwani <anand[AT]narwani.org>
|
2002-07-12 22:52:43 +00:00
|
|
|
*
|
2004-07-18 00:24:25 +00:00
|
|
|
* $Id$
|
2002-09-10 19:07:40 +00:00
|
|
|
*
|
2006-05-21 05:12:17 +00:00
|
|
|
* Wireshark - Network traffic analyzer
|
|
|
|
* By Gerald Combs <gerald@wireshark.org>
|
2002-07-12 22:52:43 +00:00
|
|
|
* 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.
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
# include "config.h"
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#include <epan/packet.h>
|
|
|
|
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
|
|
static int proto_docsis_uccrsp = -1;
|
|
|
|
static int hf_docsis_uccrsp_upchid = -1;
|
|
|
|
|
|
|
|
|
|
|
|
/* Initialize the subtree pointers */
|
|
|
|
static gint ett_docsis_uccrsp = -1;
|
|
|
|
|
|
|
|
/* Code to actually dissect the packets */
|
|
|
|
static void
|
|
|
|
dissect_uccrsp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
|
|
|
|
{
|
|
|
|
|
|
|
|
proto_item *it;
|
|
|
|
proto_tree *uccrsp_tree;
|
|
|
|
guint8 chid;
|
|
|
|
|
|
|
|
chid = tvb_get_guint8 (tvb, 0);
|
|
|
|
|
2010-04-05 20:04:52 +00:00
|
|
|
col_clear (pinfo->cinfo, COL_INFO);
|
|
|
|
col_add_fstr (pinfo->cinfo, COL_INFO,
|
|
|
|
"Upstream Channel Change response Channel ID = %u (U%u)",
|
|
|
|
chid, (chid > 0 ? chid - 1 : chid));
|
2002-07-12 22:52:43 +00:00
|
|
|
|
|
|
|
if (tree)
|
|
|
|
{
|
|
|
|
it =
|
2003-12-13 03:18:38 +00:00
|
|
|
proto_tree_add_protocol_format (tree, proto_docsis_uccrsp, tvb, 0, -1,
|
2002-07-12 22:52:43 +00:00
|
|
|
"UCC Response");
|
|
|
|
uccrsp_tree = proto_item_add_subtree (it, ett_docsis_uccrsp);
|
|
|
|
proto_tree_add_item (uccrsp_tree, hf_docsis_uccrsp_upchid, tvb, 0, 1,
|
2011-10-06 14:46:34 +00:00
|
|
|
ENC_BIG_ENDIAN);
|
2002-07-12 22:52:43 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2006-05-28 16:32:49 +00:00
|
|
|
/* Register the protocol with Wireshark */
|
2002-07-12 22:52:43 +00:00
|
|
|
|
|
|
|
/* this format is require because a script is used to build the C function
|
|
|
|
that calls all the protocol registration.
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
proto_register_docsis_uccrsp (void)
|
|
|
|
{
|
|
|
|
|
|
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
|
|
static hf_register_info hf[] = {
|
|
|
|
{&hf_docsis_uccrsp_upchid,
|
2007-10-07 23:46:44 +00:00
|
|
|
{"Upstream Channel Id", "docsis_uccrsp.upchid",
|
2002-07-12 22:52:43 +00:00
|
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
2009-06-18 23:22:10 +00:00
|
|
|
NULL, HFILL}
|
2002-07-12 22:52:43 +00:00
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Setup protocol subtree array */
|
|
|
|
static gint *ett[] = {
|
|
|
|
&ett_docsis_uccrsp,
|
|
|
|
};
|
|
|
|
|
|
|
|
/* Register the protocol name and description */
|
|
|
|
proto_docsis_uccrsp =
|
|
|
|
proto_register_protocol ("DOCSIS Upstream Channel Change Response",
|
|
|
|
"DOCSIS UCC-RSP", "docsis_uccrsp");
|
|
|
|
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
|
|
proto_register_field_array (proto_docsis_uccrsp, hf, array_length (hf));
|
|
|
|
proto_register_subtree_array (ett, array_length (ett));
|
|
|
|
|
|
|
|
register_dissector ("docsis_uccrsp", dissect_uccrsp, proto_docsis_uccrsp);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/* If this dissector uses sub-dissector registration add a registration routine.
|
|
|
|
This format is required because a script is used to find these routines and
|
|
|
|
create the code that calls these routines.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
proto_reg_handoff_docsis_uccrsp (void)
|
|
|
|
{
|
|
|
|
dissector_handle_t docsis_uccrsp_handle;
|
|
|
|
|
|
|
|
docsis_uccrsp_handle = find_dissector ("docsis_uccrsp");
|
2010-12-20 05:35:29 +00:00
|
|
|
dissector_add_uint ("docsis_mgmt", 0x09, docsis_uccrsp_handle);
|
2002-07-12 22:52:43 +00:00
|
|
|
|
|
|
|
}
|