diff options
author | Jaap Keuter <jaap.keuter@xs4all.nl> | 2010-12-16 07:01:22 +0000 |
---|---|---|
committer | Jaap Keuter <jaap.keuter@xs4all.nl> | 2010-12-16 07:01:22 +0000 |
commit | a6b55e6530d7af3afba0af7480cb0e7c455a463b (patch) | |
tree | 31d41299e17e1f60c598523e122699d805121dec /plugins/docsis/packet-dpvreq.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-dpvreq.c')
-rw-r--r-- | plugins/docsis/packet-dpvreq.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/plugins/docsis/packet-dpvreq.c b/plugins/docsis/packet-dpvreq.c new file mode 100644 index 0000000000..91668e31d4 --- /dev/null +++ b/plugins/docsis/packet-dpvreq.c @@ -0,0 +1,182 @@ +/* packet-dpvreq.c + * Routines for DOCSIS 3.0 DOCSIS Path Verify Response 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_dpvreq = -1; +static int hf_docsis_dpvreq_tranid = -1; +static int hf_docsis_dpvreq_dschan = -1; +static int hf_docsis_dpvreq_flags = -1; +static int hf_docsis_dpvreq_us_sf = -1; +static int hf_docsis_dpvreq_n = -1; +static int hf_docsis_dpvreq_start = -1; +static int hf_docsis_dpvreq_end = -1; +static int hf_docsis_dpvreq_ts_start = -1; +static int hf_docsis_dpvreq_ts_end = -1; + +/* Initialize the subtree pointers */ +static gint ett_docsis_dpvreq = -1; + +/* Code to actually dissect the packets */ +static void +dissect_dpvreq (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree) +{ + proto_item *it; + proto_tree *dpvreq_tree = NULL; + guint16 transid; + guint8 dschan; + + transid = tvb_get_ntohs (tvb, 0); + dschan = tvb_get_guint8 (tvb, 2); + + col_clear (pinfo->cinfo, COL_INFO); + col_add_fstr (pinfo->cinfo, COL_INFO, + "DOCSIS Path Verify Request: Transaction-Id = %u DS-Ch %d", + transid, dschan); + + if (tree) + { + it = + proto_tree_add_protocol_format (tree, proto_docsis_dpvreq, tvb, 0, -1, + "DPV Request"); + dpvreq_tree = proto_item_add_subtree (it, ett_docsis_dpvreq); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_tranid, tvb, + 0, 2, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_dschan, tvb, + 2, 1, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_flags, tvb, + 3, 1, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_us_sf, tvb, + 4, 4, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_n, tvb, + 8, 2, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_start, tvb, + 10, 1, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_end, tvb, + 11, 1, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_ts_start, tvb, + 12, 4, FALSE); + proto_tree_add_item (dpvreq_tree, hf_docsis_dpvreq_ts_end, tvb, + 16, 4, FALSE); + } +} + + + + +/* Register the protocol with Wireshark */ + +/* this format is require because a script is used to build the C function + that calls all the protocol registration. +*/ + +void +proto_register_docsis_dpvreq (void) +{ + +/* Setup list of header fields See Section 1.6.1 for details*/ + static hf_register_info hf[] = { + {&hf_docsis_dpvreq_tranid, + {"Transaction Id", "docsis_dpvreq.tranid", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_dschan, + {"Downstream Channel ID", "docsis_dpvreq.dschan", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_flags, + {"Flags", "docsis_dpvreq.flags", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_us_sf, + {"Upstream Service Flow ID", "docsis_dpvreq.us_sf", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_n, + {"N (Measurement avaraging factor)", "docsis_dpvreq.n", + FT_UINT16, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_start, + {"Start Reference Point", "docsis_dpvreq.start", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_end, + {"End Reference Point", "docsis_dpvreq.end", + FT_UINT8, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_ts_start, + {"Timestamp Start", "docsis_dpvreq.ts_start", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + {&hf_docsis_dpvreq_ts_end, + {"Timestamp End", "docsis_dpvreq.ts_end", + FT_UINT32, BASE_DEC, NULL, 0x0, + NULL, HFILL} + }, + }; + +/* Setup protocol subtree array */ + static gint *ett[] = { + &ett_docsis_dpvreq, + }; + +/* Register the protocol name and description */ + proto_docsis_dpvreq = + proto_register_protocol ("DOCSIS Path Verify Request", + "DOCSIS DPV-REQ", "docsis_dpvreq"); + +/* Required function calls to register the header fields and subtrees used */ + proto_register_field_array (proto_docsis_dpvreq, hf, array_length (hf)); + proto_register_subtree_array (ett, array_length (ett)); + + register_dissector ("docsis_dpvreq", dissect_dpvreq, proto_docsis_dpvreq); +} + + +/* 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_dpvreq (void) +{ + dissector_handle_t docsis_dpvreq_handle; + + docsis_dpvreq_handle = find_dissector ("docsis_dpvreq"); + dissector_add ("docsis_mgmt", 0x27, docsis_dpvreq_handle); +} |