wireshark/plugins/docsis/packet-dsdrsp.c

132 lines
3.9 KiB
C

/* packet-dsdrsp.c
* Routines for Dynamic Service Delete Response 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_dsdrsp(void);
void proto_reg_handoff_docsis_dsdrsp(void);
/* Initialize the protocol and registered fields */
static int proto_docsis_dsdrsp = -1;
static int hf_docsis_dsdrsp_tranid = -1;
static int hf_docsis_dsdrsp_confcode = -1;
static int hf_docsis_dsdrsp_rsvd = -1;
extern value_string docsis_conf_code[];
/* Initialize the subtree pointers */
static gint ett_docsis_dsdrsp = -1;
/* Dissection */
static void
dissect_dsdrsp (tvbuff_t * tvb, packet_info * pinfo, proto_tree * tree)
{
proto_item *it;
proto_tree *dsdrsp_tree;
guint16 tranid;
guint8 confcode;
tranid = tvb_get_ntohs (tvb, 0);
confcode = tvb_get_guint8 (tvb, 2);
col_add_fstr (pinfo->cinfo, COL_INFO,
"Dynamic Service Delete Response Tran id = %u (%s)",
tranid, val_to_str (confcode, docsis_conf_code, "%d"));
if (tree)
{
it =
proto_tree_add_protocol_format (tree, proto_docsis_dsdrsp, tvb, 0, -1,
"DSD Response");
dsdrsp_tree = proto_item_add_subtree (it, ett_docsis_dsdrsp);
proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_tranid, tvb, 0, 2,
ENC_BIG_ENDIAN);
proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_confcode, tvb, 2, 1,
ENC_BIG_ENDIAN);
proto_tree_add_item (dsdrsp_tree, hf_docsis_dsdrsp_rsvd, tvb, 3, 1,
ENC_BIG_ENDIAN);
}
}
/* Register the protocol with Wireshark */
void
proto_register_docsis_dsdrsp (void)
{
static hf_register_info hf[] = {
{&hf_docsis_dsdrsp_tranid,
{"Transaction Id", "docsis_dsdrsp.tranid",
FT_UINT16, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
{&hf_docsis_dsdrsp_confcode,
{"Confirmation Code", "docsis_dsdrsp.confcode",
FT_UINT8, BASE_DEC, VALS (docsis_conf_code), 0x0,
NULL, HFILL}
},
{&hf_docsis_dsdrsp_rsvd,
{"Reserved", "docsis_dsdrsp.rsvd",
FT_UINT8, BASE_DEC, NULL, 0x0,
NULL, HFILL}
},
};
static gint *ett[] = {
&ett_docsis_dsdrsp,
};
proto_docsis_dsdrsp =
proto_register_protocol ("DOCSIS Dynamic Service Delete Response",
"DOCSIS DSD-RSP", "docsis_dsdrsp");
proto_register_field_array (proto_docsis_dsdrsp, hf, array_length (hf));
proto_register_subtree_array (ett, array_length (ett));
register_dissector ("docsis_dsdrsp", dissect_dsdrsp, proto_docsis_dsdrsp);
}
void
proto_reg_handoff_docsis_dsdrsp (void)
{
dissector_handle_t docsis_dsdrsp_handle;
docsis_dsdrsp_handle = find_dissector ("docsis_dsdrsp");
dissector_add_uint ("docsis_mgmt", 0x16, docsis_dsdrsp_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:
*/