diff options
author | Jaap Keuter <jaap.keuter@xs4all.nl> | 2010-12-16 07:01:22 +0000 |
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committer | Jaap Keuter <jaap.keuter@xs4all.nl> | 2010-12-16 07:01:22 +0000 |
commit | a6b55e6530d7af3afba0af7480cb0e7c455a463b (patch) | |
tree | 31d41299e17e1f60c598523e122699d805121dec /plugins/docsis/packet-dbcreq.c | |
parent | 5ae824fc8fdd1c2741fb10c1f03e4fd9dbba010f (diff) |
From Guido Reismueller:
packet-mdd.c
- TLV 15 fixed
packet-tlv.c
- Added Support for DOCSIS 3.0 TLVs (38-66)
Added Support for the following DOCSIS 3.0 MAC Management Messages
- DBC-REQ (packet-dbcreq.c)
- DBC-RSP (packet-dbcrsp.c)
- DBC-ACK (packet-dbcack.c)
- CM-CTRL-REQ (packet-cmctrlreq.c)
- CM-CTRL-RSP (packet-cmctrlrsp.c)
- DPV-REQ (packet-dpvreq.c)
- DPV-RSP (packet-dpvrsp.c)
svn path=/trunk/; revision=35193
Diffstat (limited to 'plugins/docsis/packet-dbcreq.c')
-rw-r--r-- | plugins/docsis/packet-dbcreq.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/plugins/docsis/packet-dbcreq.c b/plugins/docsis/packet-dbcreq.c new file mode 100644 index 0000000000..20061a740c --- /dev/null +++ b/plugins/docsis/packet-dbcreq.c @@ -0,0 +1,133 @@ +/* packet-dbcreq.c + * Routines for DOCSIS 3.0 Dynamic Bonding Change Request Message dissection. + * Copyright 2010, Guido Reismueller <g.reismueller[AT]avm.de> + * + * $Id$ + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <epan/packet.h> + +/* Initialize the protocol and registered fields */ +static int proto_docsis_dbcreq = -1; +static int hf_docsis_dbcreq_tranid = -1; +static int hf_docsis_dbcreq_number_of_fragments = -1; +static int hf_docsis_dbcreq_fragment_sequence_number = -1; +static dissector_handle_t docsis_tlv_handle; + +/* Initialize the subtree pointers */ +static gint ett_docsis_dbcreq = -1; + +/* Code to actually dissect the packets */ +static void +dissect_dbcreq (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree) +{ + proto_item *dbcreq_item; + proto_tree *dbcreq_tree = NULL; + guint16 transid; + tvbuff_t *next_tvb; + + transid = tvb_get_ntohs (tvb, 0); + + col_clear (pinfo->cinfo, COL_INFO); + col_add_fstr (pinfo->cinfo, COL_INFO, + "Dynamic Bonding Change Request: Tran-Id = %u", transid); + + if (tree) + { + dbcreq_item = proto_tree_add_protocol_format (tree, proto_docsis_dbcreq, + tvb, 0, -1, + "Dynamic Bonding Change Request"); + dbcreq_tree = proto_item_add_subtree (dbcreq_item, ett_docsis_dbcreq); + proto_tree_add_item (dbcreq_tree, hf_docsis_dbcreq_tranid, + tvb, 0, 2, FALSE); + proto_tree_add_item( dbcreq_tree, hf_docsis_dbcreq_number_of_fragments, + tvb, 2, 1, FALSE ); + proto_tree_add_item( dbcreq_tree, hf_docsis_dbcreq_fragment_sequence_number , + tvb, 3, 1, FALSE ); + } + /* Call Dissector for Appendix C TLV's */ + next_tvb = tvb_new_subset_remaining (tvb, 4); + call_dissector (docsis_tlv_handle, next_tvb, pinfo, dbcreq_tree); +} + +/* Register the protocol with Wireshark */ + +/* + * this format is required because a script is used to build the C function + * that calls all the protocol registration. + */ +void +proto_register_docsis_dbcreq (void) +{ + /* Setup list of header fields See Section 1.6.1 for details*/ + static hf_register_info hf[] = { + {&hf_docsis_dbcreq_tranid, + {"Transaction Id", "docsis_dbcreq.tranid", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dbcreq_number_of_fragments, + {"Number of Fragments", "docsis_dbcreq.number_of_fragments", + FT_UINT8, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dbcreq_fragment_sequence_number, + {"Fragment Seq No", "docsis_dbcreq.fragment_sequence_number", + FT_UINT8, BASE_HEX_DEC, NULL, 0x0, + NULL, HFILL} + }, + }; + +/* Setup protocol subtree array */ + static gint *ett[] = { + &ett_docsis_dbcreq, + }; + +/* Register the protocol name and description */ + proto_docsis_dbcreq = proto_register_protocol ("DOCSIS Dynamic Bonding Change Request", + "DOCSIS DBC-REQ", + "docsis_dbcreq"); + +/* Required function calls to register the header fields and subtrees used */ + proto_register_field_array (proto_docsis_dbcreq, hf, array_length (hf)); + proto_register_subtree_array (ett, array_length (ett)); + + register_dissector ("docsis_dbcreq", dissect_dbcreq, proto_docsis_dbcreq); +} + + +/* 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_dbcreq (void) +{ + dissector_handle_t docsis_dbcreq_handle; + + docsis_dbcreq_handle = find_dissector ("docsis_dbcreq"); + docsis_tlv_handle = find_dissector ("docsis_tlv"); + dissector_add ("docsis_mgmt", 0x24, docsis_dbcreq_handle); +} |