forked from osmocom/wireshark
ad6134bb4b
Change-Id: I78f9815616f4fc3c14204339c5826f0ca7d0680e Reviewed-on: https://code.wireshark.org/review/4485 Reviewed-by: Bill Meier <wmeier@newsguy.com>
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/* packet-dbcack.c
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* Routines for DOCSIS 3.0 Dynamic Bonding Change Acknowledge Message dissection.
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* Copyright 2010, Guido Reismueller <g.reismueller[AT]avm.de>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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void proto_register_docsis_dbcack(void);
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void proto_reg_handoff_docsis_dbcack(void);
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/* Initialize the protocol and registered fields */
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static int proto_docsis_dbcack = -1;
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static int hf_docsis_dbcack_tranid = -1;
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static dissector_handle_t docsis_tlv_handle;
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/* Initialize the subtree pointers */
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static gint ett_docsis_dbcack = -1;
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/* Dissection */
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static void
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dissect_dbcack (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
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{
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proto_item *dbcack_item;
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proto_tree *dbcack_tree = NULL;
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guint16 transid;
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tvbuff_t *next_tvb;
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transid = tvb_get_ntohs (tvb, 0);
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col_add_fstr (pinfo->cinfo, COL_INFO,
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"Dynamic Bonding Change Acknowledge: Tran-Id = %u", transid);
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if (tree)
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{
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dbcack_item = proto_tree_add_protocol_format (tree, proto_docsis_dbcack,
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tvb, 0, -1,
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"Dynamic Bonding Change Acknowledge");
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dbcack_tree = proto_item_add_subtree (dbcack_item, ett_docsis_dbcack);
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proto_tree_add_item (dbcack_tree, hf_docsis_dbcack_tranid,
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tvb, 0, 2, ENC_BIG_ENDIAN);
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}
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/* Call Dissector for Appendix C TLV's */
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next_tvb = tvb_new_subset_remaining (tvb, 2);
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call_dissector (docsis_tlv_handle, next_tvb, pinfo, dbcack_tree);
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}
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/* Register the protocol with Wireshark */
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void
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proto_register_docsis_dbcack (void)
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{
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static hf_register_info hf[] = {
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{&hf_docsis_dbcack_tranid,
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{"Transaction Id", "docsis_dbcack.tranid",
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FT_UINT16, BASE_DEC, NULL, 0x0,
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NULL, HFILL}
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},
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};
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static gint *ett[] = {
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&ett_docsis_dbcack,
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};
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proto_docsis_dbcack = proto_register_protocol ("DOCSIS Dynamic Bonding Change Acknowledge",
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"DOCSIS DBC-ACK",
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"docsis_dbcack");
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proto_register_field_array (proto_docsis_dbcack, hf, array_length (hf));
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proto_register_subtree_array (ett, array_length (ett));
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register_dissector ("docsis_dbcack", dissect_dbcack, proto_docsis_dbcack);
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}
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void
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proto_reg_handoff_docsis_dbcack (void)
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{
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dissector_handle_t docsis_dbcack_handle;
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docsis_dbcack_handle = find_dissector ("docsis_dbcack");
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docsis_tlv_handle = find_dissector ("docsis_tlv");
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dissector_add_uint ("docsis_mgmt", 0x26, docsis_dbcack_handle);
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}
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/*
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* Editor modelines - http://www.wireshark.org/tools/modelines.html
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*
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* Local Variables:
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* c-basic-offset: 2
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=2 tabstop=8 expandtab:
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* :indentSize=2:tabSize=8:noTabs=true:
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*/
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