plugins-wimax-msg_dlmap.c

Intel的WIMAX代码,主要是mac层code

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http://anonsvn.wireshark.org/wireshark/trunk/plugins/wimax/
          AUTHORS
COPYING
ChangeLog
Makefile.am
Makefile.common
Makefile.nmake
README.wimax
crc.c
crc.h
crc_data.c
mac_hd_generic_decoder.c
mac_hd_type1_decoder.c
mac_hd_type2_decoder.c
mac_mgmt_msg_decoder.c
moduleinfo.h
moduleinfo.nmake
msg_aas_beam.c
msg_aas_fbck.c
msg_arq.c
msg_clk_cmp.c
msg_dcd.c
msg_dlmap.c
msg_dreg.c
msg_dsa.c
msg_dsc.c
msg_dsd.c
msg_dsx_rvd.c
msg_fpc.c
msg_pkm.c
msg_pmc.c
msg_prc_lt_ctrl.c
msg_reg_req.c
msg_reg_rsp.c
msg_rep.c
msg_res_cmd.c
msg_rng_req.c
msg_rng_rsp.c
msg_sbc.c
msg_ucd.c
msg_ulmap.c
packet-wmx.c
plugin.rc.in
wimax_bits.h
wimax_cdma_code_decoder.c
wimax_compact_dlmap_ie_decoder.c
wimax_compact_ulmap_ie_decoder.c
wimax_fch_decoder.c
wimax_ffb_decoder.c
wimax_hack_decoder.c
wimax_harq_map_decoder.c
wimax_mac.h
wimax_pdu_decoder.c
wimax_phy_attributes_decoder.c
wimax_tlv.c
wimax_tlv.h
wimax_utils.c
wimax_utils.h
    /* msg_dlmap.c
 * WiMax MAC Management DL-MAP Message decoder
 *
 * Copyright (c) 2007 by Intel Corporation.
 *
 * Author: Mike Harvey <[e-mail]>
 *
 * $Id$
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <[e-mail]>
 * Copyright 1999 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

/* Include files */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "moduleinfo.h"

#include <glib.h>
#include <epan/packet.h>
#include <epan/prefs.h>
#include "crc.h"
#include "wimax_bits.h"

extern gint proto_wimax;
extern	gboolean include_cor2_changes;

#define MAC_MGMT_MSG_DLMAP 2

#define XBIT(var, bits, desc) \
    do { \
    var = BIT_BITS(bit, bufptr, bits); \
    proto_tree_add_text(tree, tvb, BITHI(bit, bits), desc ": %d", var); \
    bit += bits; \
    } while(0)

#define VBIT(var, bits, hf) \
    do { \
    var = BIT_BITS(bit, bufptr, bits); \
    proto_tree_add_uint(tree, hf, tvb, BITHI(bit,bits), var); \
    bit += bits; \
    } while(0)

#define XNIB(var, nibs, desc) \
    do { \
    var = NIB_NIBS(nib, bufptr, nibs); \
    proto_tree_add_text(tree, tvb, NIBHI(nib, nibs), desc ": %d", var); \
    nib += nibs; \
    } while(0)

gint harq = 0; /* 1 if HARQ enabled (TODO) */
gint fusc = 0; /* 1 if current zone permutation is FUSC or optional FUSC (TODO) */
gint tusc = 0; /* 1 if current zone permutation is AMC, TUSC1 or TUSC2 (TODO) */
gint ir_type = 0; /* reduced AAS map (TODO) */
gint RCID_Type = 0;
gint N_layer = 0;
gint STC_Zone_Dedicated_Pilots = 0;
gint STC_Zone_Matrix = 0;
gint INC_CID = 0;
gint sub_dl_ul_map = 0;


extern gint man_ofdma;

/* forward reference */
void dissect_mac_mgmt_msg_dlmap_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);

gint proto_mac_mgmt_msg_dlmap_decoder = -1;

static gint ett_dlmap = -1;
static gint ett_dlmap_ie = -1;
static gint ett_dlmap_c_ie = -1;
static gint ett_109x = -1; /* SUB-DL-UL-MAP */
static gint ett_109x_dl = -1;
static gint ett_109x_ul = -1;
static gint ett_275_phy = -1;
static gint ett_275_1 = -1;
static gint ett_277 = -1;
static gint ett_277b = -1;
static gint ett_278 = -1;
static gint ett_279 = -1;
static gint ett_280 = -1;
static gint ett_281 = -1;
static gint ett_282 = -1;
static gint ett_283 = -1;
static gint ett_284 = -1;
static gint ett_285 = -1;
static gint ett_286 = -1;
static gint ett_286a = -1;
static gint ett_286b = -1;
static gint ett_286c = -1;
static gint ett_286d = -1;
static gint ett_286e = -1;
static gint ett_286f = -1;
static gint ett_286g = -1;
static gint ett_286h = -1;
static gint ett_286i = -1;
static gint ett_286j = -1;
static gint ett_286k = -1;
static gint ett_286l = -1;
static gint ett_286m = -1;
static gint ett_286n = -1;
static gint ett_286o = -1;
static gint ett_286p = -1;
static gint ett_286q = -1;
static gint ett_286r = -1;
static gint ett_286s = -1;
static gint ett_286t = -1;
static gint ett_286u = -1;
static gint ett_286v = -1;
static gint ett_286w = -1;
static gint ett_286x = -1;
static gint ett_286y = -1;
static gint ett_286z = -1;
static gint ett_305  = -1;
static gint ett_305_dl = -1;
static gint ett_308a = -1;

/* Setup protocol subtree array */
static gint *ett[] =
{
    &ett_dlmap,
    &ett_dlmap_ie,
    &ett_dlmap_c_ie,
    &ett_109x,
    &ett_109x_dl,
    &ett_109x_ul,
    &ett_275_phy,
    &ett_275_1,
    &ett_277,
    &ett_277b,
    &ett_278,
    &ett_279,
    &ett_280,
    &ett_281,
    &ett_282,
    &ett_283,
    &ett_284,
    &ett_285,
    &ett_286,
    &ett_286a,
    &ett_286b,
    &ett_286c,
    &ett_286d,
    &ett_286e,
    &ett_286f,
    &ett_286g,
    &ett_286h,
    &ett_286i,
    &ett_286j,
    &ett_286k,
    &ett_286l,
    &ett_286m,
    &ett_286n,
    &ett_286o,
    &ett_286p,
    &ett_286q,
    &ett_286r,
    &ett_286s,
    &ett_286t,
    &ett_286u,
    &ett_286v,
    &ett_286w,
    &ett_286x,
    &ett_286y,
    &ett_286z,
    &ett_305,
    &ett_305_dl,
    &ett_308a,
};

#define DCD_DOWNLINK_BURST_PROFILE     1
#define DCD_BS_EIRP                    2
#define DCD_FRAME_DURATION             3
#define DCD_PHY_TYPE                   4
#define DCD_POWER_ADJUSTMENT           5
#define DCD_CHANNEL_NR                 6
#define DCD_TTG                        7
#define DCD_RTG                        8
#define DCD_RSS                        9
#define DCD_CHANNEL_SWITCH_FRAME_NR    10
#define DCD_FREQUENCY                  12
#define DCD_BS_ID                      13
#define DCD_FRAME_DURATION_CODE        14
#define DCD_FRAME_NR                   15
#define DCD_SIZE_CQICH_ID              16
#define DCD_H_ARQ_ACK_DELAY            17
#define DCD_MAC_VERSION                148
#define DCD_RESTART_COUNT              154

#define DCD_BURST_FREQUENCY            1
#define DCD_BURST_FEC_CODE_TYPE        150
#define DCD_BURST_DIUC_EXIT_THRESHOLD  151
#define DCD_BURST_DIUC_ENTRY_THRESHOLD 152
#define DCD_BURST_TCS_ENABLE           153

#define DCD_TLV_T_541_TYPE_FUNCTION_ACTION                              1
#define DCD_TLV_T542_TRIGGER_VALUE                                      2
#define DCD_TLV_T_543_TRIGGER_AVERAGING_DURATION                        3
#define DCD_TLV_T_19_PERMUTATION_TYPE_FOR_BROADCAST_REGION_IN_HARQ_ZONE 19
#define DCD_TLV_T_20_MAXIMUM_RETRANSMISSION                             20
#define DCD_TLV_T_21_DEFAULT_RSSI_AND_CINR_AVERAGING_PARAMETER          21
#define DCD_TLV_T_22_DL_AMC_ALLOCATED_PHYSICAL_BANDS_BITMAP             22
#define DCD_TLV_T_31_H_ADD_THRESHOLD                                    31
#define DCD_TLV_T_32_H_DELETE_THRESHOLD                                 32
#define DCD_TLV_T_33_ASR                                                33
#define DCD_TLV_T_34_DL_REGION_DEFINITION                               34
#define DCD_TLV_T_35_PAGING_GROUP_ID                                    35
#define DCD_TLV_T_36_TUSC1_PERMUTATION_ACTIVE_SUBCHANNELS_BITMAP        36
#define DCD_TLV_T_37_TUSC2_PERMUTATION_ACTIVE_SUBCHANNELS_BITMAP        37
#define DCD_TLV_T_45_PAGING_INTERVAL_LENGTH                             45
#define DCD_TLV_T_50_HO_TYPE_SUPPORT                                    50
#define DCD_TLV_T_51_HYSTERSIS_MARGIN                                   51
#define DCD_TLV_T_52_TIME_TO_TRIGGER_DURATION                           52
#define DCD_TLV_T_54_TRIGGER                                            54
#define DCD_TLV_T_153_DOWNLINK_BURST_PROFILE_FOR_MULTIPLE_FEC_TYPES     153

#define DL_MAP_NCT_PMP  0
#define DL_MAP_NCT_DM   1
#define DL_MAP_NCT_PTP  2

/* NCT messages */
static const value_string nct_msgs[] =
{
    { DL_MAP_NCT_PMP, "PMP" },
    { DL_MAP_NCT_PMP, "DM" },
    { DL_MAP_NCT_PMP, "PTP" },
    { 0,  NULL }
};

/* Repetition Coding Indications */
static const value_string rep_msgs[] =
{
    { 0, "No Repetition Coding" },
    { 1, "Repetition Coding of 2 Used" },
    { 2, "Repetition Coding of 4 Used" },
    { 3, "Repetition Coding of 6 Used" },
    { 0,  NULL }
};

/* DL Frame Prefix Coding Indications */
static const value_string boost_msgs[] =
{
    { 0, "Normal (not boosted)" },
    { 1, "+6dB" },
    { 2, "-6dB" },
    { 3, "+9dB" },
    { 4, "+3dB" },
    { 5, "-3dB" },
    { 6, "-9dB" },
    { 7, "-12dB" },
    { 0,  NULL }
};

/* dl-map fields */
static gint hf_dlmap_message_type = -1;

static gint hf_dlmap_phy_fdur = -1;
static gint hf_dlmap_phy_fnum = -1;
static gint hf_dlmap_fch_expected = -1;
static gint hf_dlmap_dcd = -1;
static gint hf_dlmap_bsid = -1;
static gint hf_dlmap_ofdma_sym = -1;
static gint hf_dlmap_ie = -1;
static gint hf_dlmap_ie_diuc = -1;
static gint hf_dlmap_ie_ncid = -1;
static gint hf_dlmap_ie_cid = -1;
static gint hf_dlmap_ie_offsym = -1;
static gint hf_dlmap_ie_offsub = -1;
static gint hf_dlmap_ie_boosting = -1;
static gint hf_dlmap_ie_numsym = -1;
static gint hf_dlmap_ie_numsub = -1;
static gint hf_dlmap_ie_rep = -1;
static gint hf_dlmap_ie_offsym2 = -1;
static gint hf_dlmap_ie_offsub2 = -1;
static gint hf_dlmap_ie_boosting2 = -1;
static gint hf_dlmap_ie_numsym2 = -1;
static gint hf_dlmap_ie_numsub2 = -1;
static gint hf_dlmap_ie_rep2 = -1;

static gint hf_dlmap_xie_diuc = -1;
static gint hf_dlmap_xie_len = -1;

static gint hf_dlmapc_compr = -1;
static gint hf_dlmapc_ulmap = -1;
static gint hf_dlmapc_rsv = -1;
static gint hf_dlmapc_len = -1;
static gint hf_dlmapc_sync = -1;
static gint hf_dlmapc_opid = -1;
static gint hf_dlmapc_secid = -1;
static gint hf_dlmapc_count = -1;

static gint hf_109x_cmi = -1;
static gint hf_109x_len = -1;
static gint hf_109x_rcid = -1;
static gint hf_109x_haoi = -1;
static gint hf_109x_dl = -1;
static gint hf_109x_ul = -1;
static gint hf_109x_dlie = -1;
static gint hf_109x_symofs = -1;
static gint hf_109x_subofs = -1;
static gint hf_109x_rsv = -1;

static gint hf_308a_cmi = -1;
static gint hf_308a_ulmap = -1;
static gint hf_308a_type = -1;
static gint hf_308a_mult = -1;
static gint hf_308a_rsv = -1;
static gint hf_mac_header_compress_dlmap_crc = -1;

/* DL-MAP fields display */
static hf_register_info hf[] =
{
    {
	    &hf_dlmap_message_type,
	    {
		    "MAC Management Message Type", "wimax.macmgtmsgtype.dlmap",
		    FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
	    }
    },
    {
	    &hf_dlmap_bsid,
	    {
		    "Base Station ID", "wimax.dlmap.bsid",
		    FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL
	    }
    },
    {
	    &hf_dlmap_dcd,
	    {
		    "DCD Count", "wimax.dlmap.dcd",
		    FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
	    }
    },
    {
	    &hf_dlmap_fch_expected,
	    {
		    "FCH Expected", "wimax.dlmap.fch_expected",
		    FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL
	    }
    },
    {
	    &hf_dlmap_ie,
	    {
		    "DL-MAP IE", "wimax.dlmap.ie",
		    FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
	    }
    },
    {
	    &hf_dlmap_ie_boosting,
	    {