01844e151a
the number of bytes in the packet or subset of the packet is the reported length, tvb_length() just gives you the amount of that data that was actually captured. Include <glib.h>, not <gmodule.h>, even in plugins. Fix the version numbers in the rc files. svn path=/trunk/; revision=21960
170 lines
4.8 KiB
C
170 lines
4.8 KiB
C
/* msg_clk_cmp.c
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* WiMax MAC Management CLK_CMP Message decoders
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*
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* Copyright (c) 2007 by Intel Corporation.
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*
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* Author: Lu Pan <lu.pan@intel.com>
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1999 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/* Include files */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include <epan/packet.h>
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#include <epan/prefs.h>
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#include "wimax_mac.h"
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/* Forward reference */
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void dissect_mac_mgmt_msg_clk_cmp_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static gint proto_mac_mgmt_msg_clk_cmp_decoder = -1;
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static gint ett_mac_mgmt_msg_clk_cmp_decoder = -1;
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/* Setup protocol subtree array */
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static gint *ett[] =
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{
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&ett_mac_mgmt_msg_clk_cmp_decoder,
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};
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/* CLK_CMP fields */
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static gint hf_clk_cmp_message_type = -1;
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static gint hf_clk_cmp_clock_count = -1;
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static gint hf_clk_cmp_clock_id = -1;
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static gint hf_clk_cmp_seq_number = -1;
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static gint hf_clk_cmp_comparision_value = -1;
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static gint hf_clk_cmp_invalid_tlv = -1;
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/* CLK_CMP fields display */
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static hf_register_info hf_clk_cmp[] =
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{
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{
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&hf_clk_cmp_message_type,
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{
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"MAC Management Message Type", "wimax.macmgtmsgtype.clk_cmp",
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FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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},
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{
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&hf_clk_cmp_clock_count,
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{
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"Clock Count", "wimax.clk_cmp.clock_count",
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FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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},
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{
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&hf_clk_cmp_clock_id,
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{
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"Clock ID", "wimax.clk_cmp.clock_id",
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FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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},
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{
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&hf_clk_cmp_comparision_value,
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{
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"Comparision Value", "wimax.clk_cmp.comparision_value",
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FT_INT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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},
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{
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&hf_clk_cmp_invalid_tlv,
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{
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"Invalid TLV", "wimax.clk_cmp.invalid_tlv",
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FT_BYTES, BASE_HEX, NULL, 0, "", HFILL
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}
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},
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{
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&hf_clk_cmp_seq_number,
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{
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"Sequence Number", "wimax.clk_cmp.seq_number",
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FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
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}
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}
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};
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/* Register Wimax Mac Payload Protocol and Dissector */
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void proto_register_mac_mgmt_msg_clk_cmp(void)
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{
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if (proto_mac_mgmt_msg_clk_cmp_decoder == -1) {
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proto_mac_mgmt_msg_clk_cmp_decoder = proto_register_protocol (
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"WiMax CLK-CMP Message", /* name */
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"WiMax CLK-CMP (clk)", /* short name */
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"clk" /* abbrev */
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);
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proto_register_field_array(proto_mac_mgmt_msg_clk_cmp_decoder, hf_clk_cmp, array_length(hf_clk_cmp));
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proto_register_subtree_array(ett, array_length(ett));
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}
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}
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/* Decode CLK_CMP messages. */
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void dissect_mac_mgmt_msg_clk_cmp_decoder(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree)
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{
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guint offset = 0;
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guint i;
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guint clock_count;
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guint tvb_len, payload_type;
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proto_item *clk_cmp_item = NULL;
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proto_tree *clk_cmp_tree = NULL;
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/* Ensure the right payload type */
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payload_type = tvb_get_guint8(tvb, 0);
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if(payload_type != MAC_MGMT_MSG_CLK_CMP)
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{
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return;
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}
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if (tree)
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{ /* we are being asked for details */
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/* Get the tvb reported length */
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tvb_len = tvb_reported_length(tvb);
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/* display MAC payload type CLK_CMP */
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clk_cmp_item = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_clk_cmp_decoder, tvb, offset, tvb_len, "Clock Comparision (CLK-CMP) (%u bytes)", tvb_len);
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/* add MAC CLK_CMP subtree */
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clk_cmp_tree = proto_item_add_subtree(clk_cmp_item, ett_mac_mgmt_msg_clk_cmp_decoder);
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/* display the Message Type */
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proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_message_type, tvb, offset, 1, FALSE);
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/* set the offset for clock count */
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offset ++;
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/* get the clock count */
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clock_count = tvb_get_guint8(tvb, offset);
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/* display the clock count */
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proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_clock_count, tvb, offset, 1, FALSE);
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/* set the offset for clock comparision */
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offset++;
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for (i = 0; i < clock_count; i++ )
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{ /* display the Clock ID */
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proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_clock_id, tvb, offset++, 1, FALSE);
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/* display the sequence number */
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proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_seq_number, tvb, offset++, 1, FALSE);
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/* display the comparision value */
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proto_tree_add_item(clk_cmp_tree, hf_clk_cmp_comparision_value, tvb, offset++, 1, FALSE);
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}
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}
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}
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