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/* packet-regrspmp.c
* Routines for REG-RSP-MP Message dissection
* Copyright 2007, Bruno Verstuyft <bruno.verstuyft@excentis.com>
*
* Based on packet-regrsp.c (by Anand V. Narwani <anand[AT]narwani.org>)
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
void proto_register_docsis_regrspmp(void);
void proto_reg_handoff_docsis_regrspmp(void);
/* Initialize the protocol and registered fields */
static int proto_docsis_regrspmp = -1;
static int hf_docsis_regrspmp_sid = -1;
static int hf_docsis_regrspmp_response = -1;
static int hf_docsis_regrspmp_number_of_fragments = -1;
static int hf_docsis_regrspmp_fragment_sequence_number = -1;
static dissector_handle_t docsis_tlv_handle;
/* Initialize the subtree pointers */
static gint ett_docsis_regrspmp = -1;
/* Dissection */
static void
dissect_regrspmp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
proto_item *it;
proto_tree *regrspmp_tree = NULL;
tvbuff_t *next_tvb;
col_set_str(pinfo->cinfo, COL_INFO, "REG-RSP-MP Message:");
if (tree)
{
it = proto_tree_add_protocol_format (tree, proto_docsis_regrspmp, tvb, 0, -1,"REG-RSP-MP Message");
regrspmp_tree = proto_item_add_subtree (it, ett_docsis_regrspmp);
proto_tree_add_item (regrspmp_tree, hf_docsis_regrspmp_sid, tvb, 0, 2, ENC_BIG_ENDIAN);
proto_tree_add_item (regrspmp_tree, hf_docsis_regrspmp_response, tvb, 2, 1, ENC_BIG_ENDIAN);
proto_tree_add_item (regrspmp_tree, hf_docsis_regrspmp_number_of_fragments, tvb, 3, 1, ENC_BIG_ENDIAN);
proto_tree_add_item (regrspmp_tree, hf_docsis_regrspmp_fragment_sequence_number, tvb, 4, 1, ENC_BIG_ENDIAN);
}
/* Call Dissector for Appendix C TLV's */
next_tvb = tvb_new_subset_remaining (tvb, 5);
call_dissector (docsis_tlv_handle, next_tvb, pinfo, regrspmp_tree);
}
/* Register the protocol with Wireshark */
void
proto_register_docsis_regrspmp (void)
{
static hf_register_info hf[] = {
{&hf_docsis_regrspmp_sid,
{"Sid", "docsis_regrspmp.sid",
FT_UINT16, BASE_DEC, NULL, 0x0,
"Reg-Rsp-Mp Sid", HFILL}
},
{&hf_docsis_regrspmp_response,
{"Response", "docsis_regrspmp.response",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Reg-Rsp-Mp Response", HFILL}
},
{&hf_docsis_regrspmp_number_of_fragments,
{"Number of Fragments", "docsis_regrspmp.number_of_fragments",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Reg-Rsp-Mp Number of Fragments", HFILL}
},
{&hf_docsis_regrspmp_fragment_sequence_number,
{"Fragment Sequence Number", "docsis_regrspmp.fragment_sequence_number",
FT_UINT8, BASE_DEC, NULL, 0x0,
"Reg-Rsp-Mp Fragment Sequence Number", HFILL}
},
};
static gint *ett[] = {
&ett_docsis_regrspmp,
};
proto_docsis_regrspmp =
proto_register_protocol ("DOCSIS Registration Response Multipart",
"DOCSIS Reg-Rsp-Mp", "docsis_regrspmp");
proto_register_field_array (proto_docsis_regrspmp, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
register_dissector ("docsis_regrspmp", dissect_regrspmp, proto_docsis_regrspmp);
}
void
proto_reg_handoff_docsis_regrspmp (void)
{
dissector_handle_t docsis_regrspmp_handle;
docsis_tlv_handle = find_dissector ("docsis_tlv");
docsis_regrspmp_handle = find_dissector ("docsis_regrspmp");
dissector_add_uint ("docsis_mgmt", 45, docsis_regrspmp_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
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