2 * Routines for Dynamic Service Delete Response dissection
3 * Copyright 2002, Anand V. Narwani <anarwani@cisco.com>
5 * Ethereal - Network traffic analyzer
6 * By Gerald Combs <gerald@ethereal.com>
7 * Copyright 1998 Gerald Combs
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #include "plugins/plugin_api.h"
29 #include "plugins/plugin_api_defs.h"
30 #include "moduleinfo.h"
36 #ifdef HAVE_SYS_TYPES_H
37 # include <sys/types.h>
40 #ifdef HAVE_NETINET_IN_H
41 # include <netinet/in.h>
46 #include <epan/packet.h>
48 /* Initialize the protocol and registered fields */
49 static int proto_docsis_dsdrsp = -1;
50 static int hf_docsis_dsdrsp = -1;
51 static int hf_docsis_dsdrsp_tranid = -1;
52 static int hf_docsis_dsdrsp_confcode = -1;
53 static int hf_docsis_dsdrsp_rsvd = -1;
55 extern value_string docsis_conf_code[];
57 /* Initialize the subtree pointers */
58 static gint ett_docsis_dsdrsp = -1;
60 /* Code to actually dissect the packets */
62 dissect_dsdrsp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
66 proto_tree *dsdrsp_tree;
70 tranid = tvb_get_ntohs (tvb, 0);
71 confcode = tvb_get_guint8 (tvb, 2);
73 if (check_col (pinfo->cinfo, COL_INFO))
75 col_clear (pinfo->cinfo, COL_INFO);
76 col_add_fstr (pinfo->cinfo, COL_INFO,
77 "Dynamic Service Delete Response Tran id = %u (%s)",
78 tranid, val_to_str (confcode, docsis_conf_code, "%s"));
84 proto_tree_add_protocol_format (tree, proto_docsis_dsdrsp, tvb, 0,
85 tvb_length_remaining (tvb, 0),
87 dsdrsp_tree = proto_item_add_subtree (it, ett_docsis_dsdrsp);
88 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_tranid, tvb, 0, 2,
90 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_confcode, tvb, 2, 1,
92 proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_rsvd, tvb, 3, 1,
101 /* Register the protocol with Ethereal */
103 /* this format is require because a script is used to build the C function
104 that calls all the protocol registration.
109 proto_register_docsis_dsdrsp (void)
112 /* Setup list of header fields See Section 1.6.1 for details*/
113 static hf_register_info hf[] = {
115 {"Dynamic Service Delete Response", "docsis.dsdrsp",
116 FT_BYTES, BASE_HEX, NULL, 0x0,
117 "Dynamic Service Delete Response", HFILL}
119 {&hf_docsis_dsdrsp_tranid,
120 {"Transaction Id", "docsis.dsdrsp.tranid",
121 FT_UINT16, BASE_DEC, NULL, 0x0,
122 "Transaction Id", HFILL}
124 {&hf_docsis_dsdrsp_confcode,
125 {"Confirmation Code", "docsis.dsdrsp.confcode",
126 FT_UINT8, BASE_DEC, VALS (docsis_conf_code), 0x0,
127 "Confirmation Code", HFILL}
129 {&hf_docsis_dsdrsp_rsvd,
130 {"Reserved", "docsis.dsdrsp.rsvd",
131 FT_UINT8, BASE_DEC, NULL, 0x0,
136 /* Setup protocol subtree array */
137 static gint *ett[] = {
141 /* Register the protocol name and description */
142 proto_docsis_dsdrsp =
143 proto_register_protocol ("DOCSIS Dynamic Service Delete Response",
144 "DOCSIS DSD-RSP", "docsis_dsdrsp");
146 /* Required function calls to register the header fields and subtrees used */
147 proto_register_field_array (proto_docsis_dsdrsp, hf, array_length (hf));
148 proto_register_subtree_array (ett, array_length (ett));
150 register_dissector ("docsis_dsdrsp", dissect_dsdrsp, proto_docsis_dsdrsp);
154 /* If this dissector uses sub-dissector registration add a registration routine.
155 This format is required because a script is used to find these routines and
156 create the code that calls these routines.
159 proto_reg_handoff_docsis_dsdrsp (void)
161 dissector_handle_t docsis_dsdrsp_handle;
163 docsis_dsdrsp_handle = find_dissector ("docsis_dsdrsp");
164 dissector_add ("docsis_mgmt", 0x16, docsis_dsdrsp_handle);