2 * Routines for Dynamic Service Delete Response dissection
3 * Copyright 2002, Anand V. Narwani <anand[AT]narwani.org>
7 * Ethereal - Network traffic analyzer
8 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License
13 * as published by the Free Software Foundation; either version 2
14 * of the License, or (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include "moduleinfo.h"
38 #include <epan/packet.h>
40 /* Initialize the protocol and registered fields */
41 static int proto_docsis_dsdrsp = -1;
42 static int hf_docsis_dsdrsp = -1;
43 static int hf_docsis_dsdrsp_tranid = -1;
44 static int hf_docsis_dsdrsp_confcode = -1;
45 static int hf_docsis_dsdrsp_rsvd = -1;
47 extern value_string docsis_conf_code[];
49 /* Initialize the subtree pointers */
50 static gint ett_docsis_dsdrsp = -1;
52 /* Code to actually dissect the packets */
54 dissect_dsdrsp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
58 proto_tree *dsdrsp_tree;
62 tranid = tvb_get_ntohs (tvb, 0);
63 confcode = tvb_get_guint8 (tvb, 2);
65 if (check_col (pinfo->cinfo, COL_INFO))
67 col_clear (pinfo->cinfo, COL_INFO);
68 col_add_fstr (pinfo->cinfo, COL_INFO,
69 "Dynamic Service Delete Response Tran id = %u (%s)",
70 tranid, val_to_str (confcode, docsis_conf_code, "%s"));
76 proto_tree_add_protocol_format (tree, proto_docsis_dsdrsp, tvb, 0, -1,
78 dsdrsp_tree = proto_item_add_subtree (it, ett_docsis_dsdrsp);
79 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_tranid, tvb, 0, 2,
81 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_confcode, tvb, 2, 1,
83 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_rsvd, tvb, 3, 1,
92 /* Register the protocol with Ethereal */
94 /* this format is require because a script is used to build the C function
95 that calls all the protocol registration.
100 proto_register_docsis_dsdrsp (void)
103 /* Setup list of header fields See Section 1.6.1 for details*/
104 static hf_register_info hf[] = {
106 {"Dynamic Service Delete Response", "docsis.dsdrsp",
107 FT_BYTES, BASE_HEX, NULL, 0x0,
108 "Dynamic Service Delete Response", HFILL}
110 {&hf_docsis_dsdrsp_tranid,
111 {"Transaction Id", "docsis.dsdrsp.tranid",
112 FT_UINT16, BASE_DEC, NULL, 0x0,
113 "Transaction Id", HFILL}
115 {&hf_docsis_dsdrsp_confcode,
116 {"Confirmation Code", "docsis.dsdrsp.confcode",
117 FT_UINT8, BASE_DEC, VALS (docsis_conf_code), 0x0,
118 "Confirmation Code", HFILL}
120 {&hf_docsis_dsdrsp_rsvd,
121 {"Reserved", "docsis.dsdrsp.rsvd",
122 FT_UINT8, BASE_DEC, NULL, 0x0,
127 /* Setup protocol subtree array */
128 static gint *ett[] = {
132 /* Register the protocol name and description */
133 proto_docsis_dsdrsp =
134 proto_register_protocol ("DOCSIS Dynamic Service Delete Response",
135 "DOCSIS DSD-RSP", "docsis_dsdrsp");
137 /* Required function calls to register the header fields and subtrees used */
138 proto_register_field_array (proto_docsis_dsdrsp, hf, array_length (hf));
139 proto_register_subtree_array (ett, array_length (ett));
141 register_dissector ("docsis_dsdrsp", dissect_dsdrsp, proto_docsis_dsdrsp);
145 /* If this dissector uses sub-dissector registration add a registration routine.
146 This format is required because a script is used to find these routines and
147 create the code that calls these routines.
150 proto_reg_handoff_docsis_dsdrsp (void)
152 dissector_handle_t docsis_dsdrsp_handle;
154 docsis_dsdrsp_handle = find_dissector ("docsis_dsdrsp");
155 dissector_add ("docsis_mgmt", 0x16, docsis_dsdrsp_handle);