1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/* packet-dsdreq.c
* Routines for Dynamic Service Delete Request dissection
* Copyright 2002, Anand V. Narwani <anand[AT]narwani.org>
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
void proto_register_docsis_dsdreq(void);
void proto_reg_handoff_docsis_dsdreq(void);
/* Initialize the protocol and registered fields */
static int proto_docsis_dsdreq = -1;
static int hf_docsis_dsdreq_tranid = -1;
static int hf_docsis_dsdreq_rsvd = -1;
static int hf_docsis_dsdreq_sfid = -1;
static dissector_handle_t docsis_tlv_handle;
/* Initialize the subtree pointers */
static gint ett_docsis_dsdreq = -1;
static dissector_handle_t docsis_dsdreq_handle;
/* Dissection */
static int
dissect_dsdreq (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree, void* data _U_)
{
proto_item *it;
proto_tree *dsdreq_tree = NULL;
guint16 transid;
tvbuff_t *next_tvb;
transid = tvb_get_ntohs (tvb, 0);
col_add_fstr (pinfo->cinfo, COL_INFO,
"Dynamic Service Delete Request Tran-id = %u", transid);
if (tree)
{
it =
proto_tree_add_protocol_format (tree, proto_docsis_dsdreq, tvb, 0, -1,
"DSD Request");
dsdreq_tree = proto_item_add_subtree (it, ett_docsis_dsdreq);
proto_tree_add_item (dsdreq_tree, hf_docsis_dsdreq_tranid, tvb, 0, 2,
ENC_BIG_ENDIAN);
proto_tree_add_item (dsdreq_tree, hf_docsis_dsdreq_rsvd, tvb, 2, 2,
ENC_BIG_ENDIAN);
proto_tree_add_item (dsdreq_tree, hf_docsis_dsdreq_sfid, tvb, 4, 4,
ENC_BIG_ENDIAN);
}
/* Call Dissector for Appendix C TLV's */
next_tvb = tvb_new_subset_remaining (tvb, 8);
call_dissector (docsis_tlv_handle, next_tvb, pinfo, dsdreq_tree);
return tvb_captured_length(tvb);
}
/* Register the protocol with Wireshark */
void
proto_register_docsis_dsdreq (void)
{
static hf_register_info hf[] = {
{&hf_docsis_dsdreq_tranid,
{"Transaction Id", "docsis_dsdreq.tranid",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{&hf_docsis_dsdreq_rsvd,
{"Reserved", "docsis_dsdreq.rsvd",
FT_UINT16, BASE_HEX, NULL, 0x0,
NULL, HFILL}
},
{&hf_docsis_dsdreq_sfid,
{"Service Flow ID", "docsis_dsdreq.sfid",
FT_UINT32, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
};
static gint *ett[] = {
&ett_docsis_dsdreq,
};
proto_docsis_dsdreq =
proto_register_protocol ("DOCSIS Dynamic Service Delete Request",
"DOCSIS DSD-REQ", "docsis_dsdreq");
proto_register_field_array (proto_docsis_dsdreq, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
docsis_dsdreq_handle = register_dissector ("docsis_dsdreq", dissect_dsdreq, proto_docsis_dsdreq);
}
void
proto_reg_handoff_docsis_dsdreq (void)
{
docsis_tlv_handle = find_dissector ("docsis_tlv");
dissector_add_uint ("docsis_mgmt", 0x15, docsis_dsdreq_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local Variables:
* c-basic-offset: 2
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* ex: set shiftwidth=2 tabstop=8 expandtab:
* :indentSize=2:tabSize=8:noTabs=true:
*/
|
