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
190 lines
6.1 KiB
C
190 lines
6.1 KiB
C
/* wimax_phy_attributes_decoder.c
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* WiMax PDU Burst Physical Attributes decoder
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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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extern gint proto_wimax;
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/* forward reference */
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static void dissect_wimax_phy_attributes_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
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static gint proto_wimax_phy_attributes_decoder = -1;
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static gint ett_wimax_phy_attributes_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_wimax_phy_attributes_decoder
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};
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static const value_string vals_subchannel_types[] =
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{
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{0, "DL PUSC"},
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{1, "DL FUSC"},
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{16, "UL PUSC"},
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{0, NULL}
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};
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static const value_string vals_modulation_rates[] =
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{
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{0, "BPSK R=1/2"},
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{1, "QPSK R=1/2"},
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{2, "QPSK R=3/4"},
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{3, "16-QAM R=1/2"},
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{4, "16-QAM R=3/4"},
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{5, "64-QAM R=1/2"},
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{6, "64-QAM R=2/3"},
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{7, "64-QAM R=3/4"},
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{8, "64-QAM R=5/6"},
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{0, NULL}
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};
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static const value_string vals_encoding_types[] =
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{
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{0, "Tail biting convolutional coding (CCTB)"},
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{1, "Convolutional turbo coding (CTC)"},
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{0, NULL}
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};
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static gint hf_phy_attributes_subchannelization_type = -1;
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static gint hf_phy_attributes_permbase = -1;
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static gint hf_phy_attributes_modulation_rate = -1;
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static gint hf_phy_attributes_encoding_type = -1;
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static gint hf_phy_attributes_num_repeat = -1;
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static gint hf_phy_attributes_symbol_offset = -1;
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static gint hf_phy_attributes_num_of_slots = -1;
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static gint hf_phy_attributes_subchannel = -1;
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/* Physical Attributes display */
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static hf_register_info hf[] =
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{
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{
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&hf_phy_attributes_subchannelization_type,
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{"Subchannelization Type", "wimax.phy_attributes.subchannelization_type", FT_UINT8, BASE_DEC, VALS(vals_subchannel_types), 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_permbase,
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{"Permbase", "wimax.phy_attributes.permbase", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_modulation_rate,
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{"Modulation Rate", "wimax.phy_attributes.modulation_rate", FT_UINT8, BASE_DEC, VALS(vals_modulation_rates), 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_encoding_type,
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{"Encoding Type", "wimax.phy_attributes.encoding_type", FT_UINT8, BASE_DEC, VALS(vals_encoding_types), 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_num_repeat,
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{"numRepeat", "wimax.phy_attributes.num_repeat", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_symbol_offset,
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{"Symbol Offset", "wimax.phy_attributes.symbol_offset", FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_num_of_slots,
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{"Number Of Slots", "wimax.phy_attributes.num_of_slots", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL}
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},
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{
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&hf_phy_attributes_subchannel,
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{"Subchannel", "wimax.phy_attributes.subchannel", FT_UINT8, BASE_HEX, NULL, 0x0, "", HFILL}
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}
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};
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/* Register Wimax PDU Burst Physical Attributes Protocol */
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void proto_register_wimax_phy_attributes(void)
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{
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if (proto_wimax_phy_attributes_decoder == -1)
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{
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proto_wimax_phy_attributes_decoder = proto_wimax;
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register_dissector("wimax_phy_attributes_burst_handler", dissect_wimax_phy_attributes_decoder, -1);
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proto_register_field_array(proto_wimax_phy_attributes_decoder, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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}
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}
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static void dissect_wimax_phy_attributes_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
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{
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guint offset = 0;
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guint tvb_len;
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// guint num_of_slots;
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proto_item *phy_item = NULL;
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proto_tree *phy_tree = NULL;
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/* update the info column */
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if (check_col(pinfo->cinfo, COL_INFO))
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{
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//col_append_str(pinfo->cinfo, COL_INFO, "PDU Burst Physical Attributes:");
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col_append_sep_str(pinfo->cinfo, COL_INFO, NULL, "PHY-attr");
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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 PDU Burst Physical Attributes dissector info */
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phy_item = proto_tree_add_protocol_format(tree, proto_wimax_phy_attributes_decoder, tvb, offset, tvb_len, "PDU Burst Physical Attributes (%u bytes)", tvb_len);
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/* add PDU Burst Physical Attributes subtree */
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phy_tree = proto_item_add_subtree(phy_item, ett_wimax_phy_attributes_decoder);
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/* display the subchannelization type */
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proto_tree_add_item(phy_tree, hf_phy_attributes_subchannelization_type, tvb, offset++, 1, FALSE);
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/* display the permbase */
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proto_tree_add_item(phy_tree, hf_phy_attributes_permbase, tvb, offset++, 1, FALSE);
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/* display the modulation rate */
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proto_tree_add_item(phy_tree, hf_phy_attributes_modulation_rate, tvb, offset++, 1, FALSE);
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/* display the encoding type */
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proto_tree_add_item(phy_tree, hf_phy_attributes_encoding_type, tvb, offset++, 1, FALSE);
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/* display the numRepeat */
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proto_tree_add_item(phy_tree, hf_phy_attributes_num_repeat, tvb, offset++, 1, FALSE);
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/* display the symbol offset */
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proto_tree_add_item(phy_tree, hf_phy_attributes_symbol_offset, tvb, offset++, 1, FALSE);
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/* display the number of slots */
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proto_tree_add_item(phy_tree, hf_phy_attributes_num_of_slots, tvb, offset, 2, FALSE);
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/* get the number of slots */
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// num_of_slots = tvb_get_guint16(tvb, offset);
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/* move to next field */
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offset += 2;
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/* display the physical subchannel list */
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while(offset < tvb_len)
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{
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proto_tree_add_item(phy_tree, hf_phy_attributes_subchannel, tvb, offset++, 1, FALSE);
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}
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}
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}
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