/* msg_ulmap.c
* WiMax MAC Management UL-MAP Message decoder
*
* Copyright (c) 2007 by Intel Corporation.
*
* Author: Mike Harvey <michael.harvey@intel.com>
*
* $Id: msg_ulmap.c 23804 2007-12-08 01:22:22Z gerald $
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* 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_mac_mgmt_msg_dlmap_decoder;
extern gboolean include_cor2_changes;
#define MAC_MGMT_MSG_ULMAP 3
#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 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)
extern gint man_ofdma;
/* from msg_ucd.c */
extern guint cqich_id_size; /* Set for CQICH_Alloc_IE */
/* from msg_dlmap.c */
extern gint harq;
extern gint ir_type;
extern gint N_layer;
extern gint RCID_Type;
extern gint RCID_IE(proto_tree *diuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb, gint RCID_Type);
/* forward reference */
void dissect_mac_mgmt_msg_ulmap_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
static gint proto_mac_mgmt_msg_ulmap_decoder = -1;
static gint ett_ulmap = -1;
static gint ett_ulmap_ie = -1;
static gint ett_ulmap_ffb = -1;
static gint ett_ulmap_c = -1;
static gint ett_ulmap_c_ie = -1;
static gint ett_ulmap_s = -1;
static gint ett_ulmap_s_ie = -1;
static gint ett_287_1 = -1;
static gint ett_287_2 = -1;
static gint ett_289 = -1;
static gint ett_290 = -1;
static gint ett_290b = -1;
static gint ett_291 = -1;
static gint ett_292 = -1;
static gint ett_293 = -1;
static gint ett_294 = -1;
static gint ett_295 = -1;
static gint ett_299 = -1;
static gint ett_300 = -1;
static gint ett_302 = -1;
static gint ett_302a = -1;
static gint ett_302b = -1;
static gint ett_302c = -1;
static gint ett_302d = -1;
static gint ett_302e = -1;
static gint ett_302f = -1;
static gint ett_302g = -1;
static gint ett_302h = -1;
static gint ett_302i = -1;
static gint ett_302j = -1;
static gint ett_302k = -1;
static gint ett_302l = -1;
static gint ett_302m = -1;
static gint ett_302n = -1;
static gint ett_302o = -1;
static gint ett_302p = -1;
static gint ett_302q = -1;
static gint ett_302r = -1;
static gint ett_302s = -1;
static gint ett_302t = -1;
static gint ett_302u = -1;
static gint ett_302v = -1;
static gint ett_306 = -1;
static gint ett_306_ul = -1;
static gint ett_308b = -1;
static gint ett_315d = -1;
/* Setup protocol subtree array */
static gint *ett[] =
{
&ett_ulmap,
&ett_ulmap_ie,
&ett_ulmap_ffb,
&ett_ulmap_c,
&ett_ulmap_c_ie,
&ett_ulmap_s,
&ett_ulmap_s_ie,
&ett_287_1,
&ett_287_2,
&ett_289,
&ett_290,
&ett_290b,
&ett_291,
&ett_292,
&ett_293,
&ett_294,
&ett_295,
&ett_299,
&ett_300,
&ett_302,
&ett_302a,
&ett_302b,
&ett_302c,
&ett_302d,
&ett_302e,
&ett_302f,
&ett_302h,
&ett_302g,
&ett_302i,
&ett_302j,
&ett_302k,
&ett_302l,
&ett_302m,
&ett_302n,
&ett_302o,
&ett_302p,
&ett_302q,
&ett_302r,
&ett_302s,
&ett_302t,
&ett_302u,
&ett_302v,
&ett_306,
&ett_306_ul,
&ett_308b,
&ett_315d,
};
#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 UL_MAP_NCT_PMP 0
#define UL_MAP_NCT_DM 1
#define UL_MAP_NCT_PTP 2
/* NCT messages */
static const value_string nct_msgs[] =
{
{ UL_MAP_NCT_PMP, "PMP" },
{ UL_MAP_NCT_PMP, "DM" },
{ UL_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 }
};
/* ul-map fields */
static gint hf_ulmap_message_type = -1;
static gint hf_ulmap_reserved = -1;
static gint hf_ulmap_ucd_count = -1;
static gint hf_ulmap_alloc_start_time = -1;
static gint hf_ulmap_ofdma_sym = -1;
static gint hf_ulmap_fch_expected = -1;
static gint hf_ulmap_ie = -1;
static gint hf_ulmap_ie_cid = -1;
static gint hf_ulmap_ie_uiuc = -1;
static gint hf_ulmap_uiuc12_symofs = -1;
static gint hf_ulmap_uiuc12_subofs = -1;
static gint hf_ulmap_uiuc12_numsym = -1;
static gint hf_ulmap_uiuc12_numsub = -1;
static gint hf_ulmap_uiuc12_method = -1;
static gint hf_ulmap_uiuc12_dri = -1;
static gint hf_ulmap_uiuc10_dur = -1;
static gint hf_ulmap_uiuc10_rep = -1;
static gint hf_ulmap_uiuc14_dur = -1;
static gint hf_ulmap_uiuc14_uiuc = -1;
static gint hf_ulmap_uiuc14_rep = -1;
static gint hf_ulmap_uiuc14_idx = -1;
static gint hf_ulmap_uiuc14_code = -1;
static gint hf_ulmap_uiuc14_sym = -1;
static gint hf_ulmap_uiuc14_sub = -1;
static gint hf_ulmap_uiuc14_bwr = -1;
static gint hf_ulmap_uiuc11_ext = -1;
static gint hf_ulmap_uiuc11_len = -1;
static gint hf_ulmap_uiuc11_data = -1;
static gint hf_ulmap_uiuc15_ext = -1;
static gint hf_ulmap_uiuc15_len = -1;
static gint hf_ulmap_uiuc15_data = -1;
static gint hf_ulmap_uiuc0_symofs = -1;
static gint hf_ulmap_uiuc0_subofs = -1;
static gint hf_ulmap_uiuc0_numsym = -1;
static gint hf_ulmap_uiuc0_numsub = -1;
static gint hf_ulmap_uiuc0_rsv = -1;
static gint hf_ulmap_uiuc13_symofs = -1;
static gint hf_ulmap_uiuc13_subofs = -1;
static gint hf_ulmap_uiuc13_numsym = -1;
static gint hf_ulmap_uiuc13_numsub = -1;
static gint hf_ulmap_uiuc13_papr = -1;
static gint hf_ulmap_uiuc13_zone = -1;
static gint hf_ulmap_uiuc13_rsv = -1;
/* UL-MAP fields display */
static hf_register_info hf[] =
{
{
&hf_ulmap_message_type,
{
"MAC Management Message Type", "wmx.macmgtmsgtype.ulmap",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_fch_expected,
{
"FCH Expected", "wmx.ulmap.fch.expected",
FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_ie,
{
"UL-MAP IE", "wmx.ulmap.ie",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_ie_cid,
{
"CID", "wmx.ulmap.ie.cid",
FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_ie_uiuc,
{
"UIUC", "wmx.ulmap.ie.uiuc",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_ofdma_sym,
{
"Num OFDMA Symbols", "wmx.ulmap.ofdma.sym",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_reserved,
{
"Reserved", "wmx.ulmap.rsv",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_alloc_start_time,
{
"Uplink Channel ID", "wmx.ulmap.start",
FT_UINT32, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_ucd_count,
{
"UCD Count", "wmx.ulmap.ucd",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc0_numsub,
{
"No. subchannels", "wmx.ulmap.uiuc0.numsub",
FT_UINT32, BASE_DEC, NULL, 0x000003f8, "", HFILL
}
},
{
&hf_ulmap_uiuc0_numsym,
{
"No. OFDMA symbols", "wmx.ulmap.uiuc0.numsym",
FT_UINT32, BASE_DEC, NULL, 0x0001fc00, "", HFILL
}
},
{
&hf_ulmap_uiuc0_rsv,
{
"Reserved", "wmx.ulmap.uiuc0.rsv",
FT_UINT32, BASE_DEC, NULL, 0x00000007, "", HFILL
}
},
{
&hf_ulmap_uiuc0_subofs,
{
"Subchannel offset", "wmx.ulmap.uiuc0.subofs",
FT_UINT32, BASE_DEC, NULL, 0x00fe0000, "", HFILL
}
},
{
&hf_ulmap_uiuc0_symofs,
{
"OFDMA symbol offset", "wmx.ulmap.uiuc0.symofs",
FT_UINT32, BASE_DEC, NULL, 0xff000000, "", HFILL
}
},
{
&hf_ulmap_uiuc11_data,
{
"Data", "wmx.ulmap.uiuc11.data",
FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc11_ext,
{
"Extended 2 UIUC", "wmx.ulmap.uiuc11.ext",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc11_len,
{
"Length", "wmx.ulmap.uiuc11.len",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc12_dri,
{
"Dedicated ranging indicator", "wmx.ulmap.uiuc12.dri",
FT_UINT32, BASE_DEC, NULL, 0x00000001, "", HFILL
}
},
{
&hf_ulmap_uiuc10_dur,
{
"Duration", "wmx.ulmap.uiuc12.dur",
FT_UINT16, BASE_DEC, NULL, 0xFFc0, "", HFILL
}
},
{
&hf_ulmap_uiuc12_method,
{
"Ranging Method", "wmx.ulmap.uiuc12.method",
FT_UINT32, BASE_DEC, NULL, 0x00000006, "", HFILL
}
},
{
&hf_ulmap_uiuc12_numsub,
{
"No. Subchannels", "wmx.ulmap.uiuc12.numsub",
FT_UINT32, BASE_DEC, NULL, 0x000003F8, "", HFILL
}
},
{
&hf_ulmap_uiuc12_numsym,
{
"No. OFDMA Symbols", "wmx.ulmap.uiuc12.numsym",
FT_UINT32, BASE_DEC, NULL, 0x0001Fc00, "", HFILL
}
},
{
&hf_ulmap_uiuc10_rep,
{
"Repetition Coding indication", "wmx.ulmap.uiuc12.rep",
FT_UINT16, BASE_DEC, NULL, 0x0030, "", HFILL
}
},
{
&hf_ulmap_uiuc12_subofs,
{
"Subchannel Offset", "wmx.ulmap.uiuc12.subofs",
FT_UINT32, BASE_DEC, NULL, 0x00Fe0000, "", HFILL
}
},
{
&hf_ulmap_uiuc12_symofs,
{
"OFDMA Symbol Offset", "wmx.ulmap.uiuc12.symofs",
FT_UINT32, BASE_DEC, NULL, 0xFF000000, "", HFILL
}
},
{
&hf_ulmap_uiuc13_numsub,
{
"No. Subchannels/SZ Shift Value", "wmx.ulmap.uiuc13.numsub",
FT_UINT32, BASE_DEC, NULL, 0x000003f8, "", HFILL
}
},
{
&hf_ulmap_uiuc13_numsym,
{
"No. OFDMA symbols", "wmx.ulmap.uiuc13.numsym",
FT_UINT32, BASE_DEC, NULL, 0x0001fc00, "", HFILL
}
},
{
&hf_ulmap_uiuc13_papr,
{
"PAPR Reduction/Safety Zone", "wmx.ulmap.uiuc13.papr",
FT_UINT32, BASE_DEC, NULL, 0x00000004, "", HFILL
}
},
{
&hf_ulmap_uiuc13_rsv,
{
"Reserved", "wmx.ulmap.uiuc13.rsv",
FT_UINT32, BASE_DEC, NULL, 0x00000001, "", HFILL
}
},
{
&hf_ulmap_uiuc13_subofs,
{
"Subchannel offset", "wmx.ulmap.uiuc13.subofs",
FT_UINT32, BASE_DEC, NULL, 0x00fe0000, "", HFILL
}
},
{
&hf_ulmap_uiuc13_symofs,
{
"OFDMA symbol offset", "wmx.ulmap.uiuc13.symofs",
FT_UINT32, BASE_DEC, NULL, 0xff000000, "", HFILL
}
},
{
&hf_ulmap_uiuc13_zone,
{
"Sounding Zone", "wmx.ulmap.uiuc13.zone",
FT_UINT32, BASE_DEC, NULL, 0x00000002, "", HFILL
}
},
{
&hf_ulmap_uiuc14_bwr,
{
"BW request mandatory", "wmx.ulmap.uiuc14.bwr",
FT_UINT8, BASE_DEC, NULL, 0x01, "", HFILL
}
},
{
&hf_ulmap_uiuc14_code,
{
"Ranging code", "wmx.ulmap.uiuc14.code",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc14_dur,
{
"Duration", "wmx.ulmap.uiuc14.dur",
FT_UINT16, BASE_DEC, NULL, 0xfc00, "", HFILL
}
},
{
&hf_ulmap_uiuc14_idx,
{
"Frame Number Index", "wmx.ulmap.uiuc14.idx",
FT_UINT16, BASE_DEC, NULL, 0x000F, "", HFILL
}
},
{
&hf_ulmap_uiuc14_rep,
{
"Repetition Coding Indication", "wmx.ulmap.uiuc14.rep",
FT_UINT16, BASE_DEC, NULL, 0x0030, "", HFILL
}
},
{
&hf_ulmap_uiuc14_sub,
{
"Ranging subchannel", "wmx.ulmap.uiuc14.sub",
FT_UINT8, BASE_DEC, NULL, 0xfe, "", HFILL
}
},
{
&hf_ulmap_uiuc14_sym,
{
"Ranging symbol", "wmx.ulmap.uiuc14.sym",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc14_uiuc,
{
"UIUC", "wmx.ulmap.uiuc14.uiuc",
FT_UINT16, BASE_DEC, NULL, 0x03c0, "", HFILL
}
},
{
&hf_ulmap_uiuc15_data,
{
"Data", "wmx.ulmap.uiuc15.data",
FT_BYTES, BASE_HEX, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc15_ext,
{
"Extended UIUC", "wmx.ulmap.uiuc15.ext",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
},
{
&hf_ulmap_uiuc15_len,
{
"Length", "wmx.ulmap.uiuc15.len",
FT_UINT8, BASE_DEC, NULL, 0x0, "", HFILL
}
}
};
/* This gets called each time a capture file is loaded. */
void init_wimax_globals()
{
cqich_id_size = 0;
harq = 0;
ir_type = 0;
N_layer = 0;
RCID_Type = 0;
}
/********************************************************************
* UL-MAP HARQ Sub-Burst IEs
* 8.4.5.4.24 table 302j
* these functions take offset/length in bits
*******************************************************************/
gint Dedicated_UL_Control_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24.1 Dedicated_UL_Control_IE -- table 302r */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint sdma;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Dedicated_UL_Control_IE");
tree = proto_item_add_subtree(ti, ett_302r);
XBIT(data, 4, "Length");
XBIT(sdma, 4, "Control Header");
if ((sdma & 1) == 1) {
XBIT(data, 2, "Num SDMA layers");
XBIT(data, 2, "Pilot Pattern");
}
return (bit - offset); /* length in bits */
}
gint Dedicated_MIMO_UL_Control_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24.2 Dedicated_MIMO_UL_Control_IE -- table 302s */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Dedicated_MIMO_UL_Control_IE");
tree = proto_item_add_subtree(ti, ett_302s);
XBIT(data, 2, "Matrix");
XBIT(N_layer, 2, "N_layer");
return (bit - offset); /* length in bits */
}
/* begin Sub-Burst IEs */
gint UL_HARQ_Chase_Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 UL_HARQ_Chase_sub_burst_IE -- table 302k */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint duci;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, BITHI(offset,length), "UL_HARQ_Chase_Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302k);
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
XBIT(duci, 1, "Dedicated UL Control Indicator");
if (duci == 1) {
bit += Dedicated_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Repetition Coding Indication");
XBIT(data,10, "Duration");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 1, "ACK_disable");
XBIT(data, 1, "Reserved");
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint UL_HARQ_IR_CTC_Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 UL_HARQ_IR_CTC_sub_burst_IE -- table 302l */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint duci;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_HARQ_IR_CTC_Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302l);
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
XBIT(duci, 1, "Dedicated UL Control Indicator");
if (duci == 1) {
bit += Dedicated_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
XBIT(data, 4, "N(EP)");
XBIT(data, 4, "N(SCH)");
XBIT(data, 2, "SPID");
XBIT(data, 4, "ACIN");
XBIT(data, 1, "AI_SN");
XBIT(data, 1, "ACK_disable");
XBIT(data, 3, "Reserved");
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint UL_HARQ_IR_CC_Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 UL_HARQ_IR_CC_sub_burst_IE -- table 302m */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint duci;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_HARQ_IR_CC_Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302m);
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
XBIT(duci, 1, "Dedicated UL Control Indicator");
if (duci == 1) {
bit += Dedicated_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Repetition Coding Indication");
XBIT(data,10, "Duration");
XBIT(data, 2, "SPID");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 1, "ACK_disable");
XBIT(data, 3, "Reserved");
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint MIMO_UL_Chase_HARQ_Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 MIMO_UL_Chase_HARQ_Sub_Burst_IE -- table 302n */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint muin,dmci,ackd,i;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_Chase_HARQ_Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302n);
XBIT(muin, 1, "MU indicator");
XBIT(dmci, 1, "Dedicated MIMO ULControl Indicator");
XBIT(ackd, 1, "ACK Disable");
if (muin == 0) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
if (dmci) {
bit += Dedicated_MIMO_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
} else {
XBIT(data, 1, "Matrix");
}
XBIT(data, 10, "Duration");
for (i = 0; i < N_layer; i++) {
if (muin == 1) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
}
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Repetition Coding Indication");
if (ackd == 0) {
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
}
}
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint MIMO_UL_IR_HARQ__Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 MIMO_UL_IR_HARQ__Sub_Burst_IE -- table 302o */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint muin,dmci,ackd,i;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_IR_HARQ__Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302o);
XBIT(muin, 1, "MU indicator");
XBIT(dmci, 1, "Dedicated MIMO UL Control Indicator");
XBIT(ackd, 1, "ACK Disable");
if (muin == 0) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
if (dmci) {
bit += Dedicated_MIMO_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
} else {
XBIT(data, 1, "Matrix");
}
XBIT(data, 4, "N(SCH)");
for (i = 0; i < N_layer; i++) {
if (muin == 1) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
}
XBIT(data, 4, "N(EP)");
if (ackd == 0) {
XBIT(data, 2, "SPID");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
}
}
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint MIMO_UL_IR_HARQ_for_CC_Sub_Burst_UIE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 MIMO_UL_IR_HARQ_for_CC_Sub_Burst_UIE -- table 302p */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint muin,dmci,ackd,i;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_IR_HARQ_for_CC_Sub_Burst_UIE");
tree = proto_item_add_subtree(ti, ett_302p);
XBIT(muin, 1, "MU indicator");
XBIT(dmci, 1, "Dedicated MIMO UL Control Indicator");
XBIT(ackd, 1, "ACK Disable");
if (muin == 0) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
if (dmci) {
bit += Dedicated_MIMO_UL_Control_IE(tree, bufptr, bit, length, tvb);
}
} else {
XBIT(data, 1, "Matrix");
}
XBIT(data, 10, "Duration");
for (i = 0; i < N_layer; i++) {
if (muin == 1) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
}
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Repetition Coding Indication");
if (ackd == 0) {
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 2, "SPID");
}
}
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
gint MIMO_UL_STC_HARQ_Sub_Burst_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.4.24 MIMO_UL_STC_HARQ_Sub_Burst_IE -- table 302q */
/* UL-MAP HARQ Sub-Burst IE * offset/length are in bits */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
proto_item *generic_item = NULL;
gint ackd,txct,sboi;
guint16 calculated_crc;
bit = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_STC_HARQ_Sub_Burst_IE");
tree = proto_item_add_subtree(ti, ett_302q);
XBIT(txct, 2, "Tx count");
XBIT(data, 10, "Duration");
XBIT(sboi, 1, "Sub-burst offset indication");
/*XBIT(muin, 1, "Reserved");*/
if (sboi == 1) {
XBIT(data, 8, "Sub-burst offset");
}
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
XBIT(ackd, 1, "ACK Disable");
if (txct == 0) {
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Repetition Coding Indication");
}
if (ackd == 0) {
XBIT(data, 4, "ACID");
}
if (include_cor2_changes)
{
/* CRC-16 is always appended */
data = BIT_BITS(bit, bufptr, 16);
generic_item = proto_tree_add_text(tree, tvb, BITHI(bit,16), "CRC-16: 0x%04x",data);
/* calculate the CRC */
calculated_crc = wimax_mac_calc_crc16((guint8 *)tvb_get_ptr(tvb, 0, BIT_TO_BYTE(bit)), BIT_TO_BYTE(bit));
if (data != calculated_crc)
{
proto_item_append_text(generic_item, " - incorrect! (should be: 0x%x)", calculated_crc);
}
bit += 16;
}
return (bit - offset); /* length in bits */
}
/********************************************************************
* UL-MAP Extended IEs
* table 290a
*******************************************************************/
gint Power_Control_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 0 */
/* 8.4.5.4.5 Power_Control_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint nib;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
nib = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Power_Control_IE");
tree = proto_item_add_subtree(ti, ett_292);
XNIB(data, 1, "Extended UIUC");
XNIB(data, 1, "Length");
XNIB(data, 2, "Power Control");
XNIB(data, 2, "Power measurement frame");
return nib;
}
gint Mini_Subchannel_allocation_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 1 */
/* 8.4.5.4.8 [2] Mini-Subchannel_allocation_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint j, M;
const gint m_table[4] = { 2, 2, 3, 6 };
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Mini_subchannel_allocation_IE");
tree = proto_item_add_subtree(ti, ett_295);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(data, 2, "Ctype");
M = m_table[data];
XBIT(data, 6, "Duration");
for (j = 0; j < M; j++) {
data = BIT_BITS(bit, bufptr, 16);
proto_tree_add_text(tree, tvb, BITHI(bit, 16), "CID(%d): %d", j, data);
bit += 16;
data = BIT_BITS(bit, bufptr, 4);
proto_tree_add_text(tree, tvb, BITHI(bit, 4), "UIUC(%d): %d", j, data);
bit += 4;
data = BIT_BITS(bit, bufptr, 2);
proto_tree_add_text(tree, tvb, BITHI(bit, 2), "Repetition(%d): %d", j, data);
bit += 2;
}
if (M == 3) {
XBIT(data, 4, "Padding");
}
return BIT_TO_NIB(bit);
}
gint AAS_UL_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 2 */
/* 8.4.5.4.6 [2] AAS_UL_IE*/
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "AAS_UL_IE");
tree = proto_item_add_subtree(ti, ett_293);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(data, 2, "Permutation");
XBIT(data, 7, "UL_PermBase");
XBIT(data, 8, "OFDMA symbol offset");
XBIT(data, 8, "AAS zone length");
XBIT(data, 2, "Uplink peramble config");
XBIT(data, 1, "Preamble type");
XBIT(data, 4, "Reserved");
return BIT_TO_NIB(bit);
}
gint CQICH_Alloc_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 3 */
/* 8.4.5.4.12 [2] CQICH_Alloc_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint rci, rtype, ftype, zperm, mgi, api, pad;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_ZONE_IE");
tree = proto_item_add_subtree(ti, ett_300);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
if (cqich_id_size == 0) {
proto_tree_add_text(tree, tvb, BITHI(bit, 1), "CQICH_ID: n/a (size == 0 bits)");
} else {
/* variable from 0-9 bits */
data = BIT_BITS16(bit, bufptr, cqich_id_size);
proto_tree_add_text(tree, tvb, BITHI(bit, cqich_id_size), "CQICH_ID: %d (%d bits)", data, cqich_id_size);
bit += cqich_id_size;
}
XBIT(data, 6, "Allocation offset");
XBIT(data, 2, "Period (p)");
XBIT(data, 3, "Frame offset");
XBIT(data, 3, "Duration (d)");
XBIT(rci, 1, "Report configuration included");
if (rci)
{
XBIT(ftype, 2, "Feedback Type");
XBIT(rtype, 1, "Report type");
if (rtype == 0) {
XBIT(data, 1, "CINR preamble report type");
}
else {
XBIT(zperm, 3, "Zone permutation");
XBIT(data, 2, "Zone type");
XBIT(data, 2, "Zone PRBS_ID");
if (zperm == 0 || zperm == 1) {
XBIT(mgi, 1, "Major group indicatioon");
if (mgi == 1) {
/* PUSC major group bitmap*/
XBIT(data, 6, "PUSC Major group bitmap");
}
}
XBIT(data, 1, "CINR zone measurement type");
}
if (ftype == 0) {
XBIT(api, 1, "Averaging parameter included");
if (api == 1) {
XBIT(data, 4, "Averaging parameter");
}
}
}
XBIT(data, 2, "MIMO_permutation_feedback_cycle");
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit, pad), "Padding: %d bits", pad);
bit += pad;
}
return BIT_TO_NIB(bit); /* Return position in nibbles. */
}
gint UL_Zone_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 4 */
/* 8.4.5.4.7 [2] UL_Zone_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_ZONE_IE");
tree = proto_item_add_subtree(ti, ett_294);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(data, 7, "OFDMA symbol offset");
XBIT(data, 2, "Permutation");
XBIT(data, 7, "UL_PermBase");
XBIT(data, 2, "AMC type");
XBIT(data, 1, "Use All SC indicator");
XBIT(data, 1, "Disable subchannel rotation");
XBIT(data, 4, "Reserved");
return BIT_TO_NIB(bit);
}
gint PHYMOD_UL_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 5 */
/* 8.4.5.4.14 [2] PHYMOD_UL_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint pmt;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "PHYMOD_UL_IE");
tree = proto_item_add_subtree(ti, ett_302);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(pmt, 1, "Preamble Modifier Type");
if (pmt == 0) {
XBIT(data, 4, "Preamble frequency shift index");
} else {
XBIT(data, 4, "Preamble Time Shift index");
}
XBIT(data, 1, "Pilot Pattern Modifier");
XBIT(data, 2, "Pilot Pattern Index");
return BIT_TO_NIB(bit);
}
gint MIMO_UL_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 6 */
/* 8.4.5.4.11 MIMO_UL_Basic_IE (not implemented) */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint nib;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
nib = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_Basic_IE");
tree = proto_item_add_subtree(ti, ett_299);
XNIB(data, 1, "Extended UIUC");
XNIB(data, 1, "Length");
proto_tree_add_text(tree, tvb, NIBHI(nib,length-2), "(not implemented)");
return nib;
}
gint ULMAP_Fast_Tracking_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 7 */
/* 8.4.5.4.22 [2] ULMAP_Fast_Tracking_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Fast_Tracking_IE");
tree = proto_item_add_subtree(ti, ett_302h);
length = NIB_TO_BIT(length);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(data, 2, "Map Index");
XBIT(data, 6, "Reserved");
while (bit < (length-7)) {
XBIT(data, 3, "Power correction");
XBIT(data, 3, "Frequency correction");
XBIT(data, 2, "Time correction");
}
return BIT_TO_NIB(bit);
}
gint UL_PUSC_Burst_Allocation_in_other_segment_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 8 */
/* 8.4.5.4.17 [2] UL_PUSC_Burst_Allocation_in_other_segment_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_PUSC_Burst_Allocation_in_Other_Segment_IE");
tree = proto_item_add_subtree(ti, ett_302c);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(data, 4, "UIUC");
XBIT(data, 2, "Segment");
XBIT(data, 7, "UL_PermBase");
XBIT(data, 8, "OFDMA symbol offset");
XBIT(data, 6, "Subchannel offset");
XBIT(data,10, "Duration");
XBIT(data, 2, "Repetition coding indication");
XBIT(data, 1, "Reserved");
return BIT_TO_NIB(bit);
}
gint Fast_Ranging_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 9 */
/* 8.4.5.4.21 [2] Fast_Ranging_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint hidi;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Fast_Ranging_IE");
tree = proto_item_add_subtree(ti, ett_302g);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(hidi, 1, "HO_ID indicator");
XBIT(data, 7, "Reserved");
if (hidi == 1) {
XBIT(data, 8, "HO_ID");
/* XBIT(data, 40, "Reserved"); TODO */
} else {
/* XBIT(data, 48, "MAC address"); TODO */
proto_tree_add_text(tree, tvb, BITHI(bit, 48), "MAC address");
bit += 48;
}
XBIT(data, 4, "UIUC");
XBIT(data,10, "Duration");
XBIT(data, 2, "Repetition coding indication");
return BIT_TO_NIB(bit);
}
gint UL_Allocation_Start_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended IE = 0xA */
/* 8.4.5.4.15 [2] UL_Allocation_Start_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_Allocation_start_IE");
tree = proto_item_add_subtree(ti, ett_302a);
XBIT(data, 4, "Extended UIUC");
XBIT(data, 4, "Length");
XBIT(data, 8, "OFDMA symbol offset");
XBIT(data, 7, "Subchannel offset");
XBIT(data, 1, "Reserved");
return BIT_TO_NIB(bit);
}
/********************************************************************
* UL-MAP Extended-2 IEs
* table 290c
*******************************************************************/
gint CQICH_Enhanced_Allocation_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 0 */
/* 8.4.5.4.16 [2] CQICH_Enhanced_Allocation_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint i, cnum, bapm;
guint pad;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "CQICH_Enhanced_Alloc_IE");
tree = proto_item_add_subtree(ti, ett_302b);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
if (cqich_id_size == 0) {
proto_tree_add_text(tree, tvb, BITHI(bit, 1), "CQICH_ID: n/a (size == 0 bits)");
} else {
/* variable from 0-9 bits */
data = BIT_BITS16(bit, bufptr, cqich_id_size);
proto_tree_add_text(tree, tvb, BITHI(bit, cqich_id_size), "CQICH_ID: %d (%d bits)", data, cqich_id_size);
bit += cqich_id_size;
}
XBIT(data, 3, "Period (p)");
XBIT(data, 3, "Frame offset");
XBIT(data, 3, "Duration (d)");
XBIT(cnum, 4, "CQICH_Num");
cnum += 1;
for (i = 0; i < cnum; i++) {
XBIT(data, 3, "Feedback Type");
XBIT(data, 6, "Allocation Index");
XBIT(data, 3, "CQICH Type");
XBIT(data, 1, "STTD indication");
}
XBIT(bapm, 1, "Band_AMC_Precoding_Mode");
if (bapm == 1) {
XBIT(data, 3, "Nr_Precoders_Feedback (=N)");
}
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit, pad), "Padding: %d bits", pad);
bit += pad;
}
return BIT_TO_NIB(bit);
}
gint HO_Anchor_Active_UL_MAP_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 1 */
/* 8.4.5.4.18 [2] HO_Anchor_Active_UL_MAP_IE (not implemented) */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint nib;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
nib = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "HO_Anchor_Active_UL_MAP_IE");
tree = proto_item_add_subtree(ti, ett_302d);
XNIB(data, 1, "Extended-2 UIUC");
XNIB(data, 2, "Length");
proto_tree_add_text(tree, tvb, NIBHI(nib,length-3), "(not implemented)");
return nib;
}
gint HO_Active_Anchor_UL_MAP_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 2 */
/* 8.4.5.4.19 [2] HO_Active_Anchor_UL_MAP_IE (not implemented) */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint nib;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
nib = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "HO_Active_Anchor_UL_MAP_IE");
tree = proto_item_add_subtree(ti, ett_302e);
XNIB(data, 1, "Extended-2 UIUC");
XNIB(data, 2, "Length");
proto_tree_add_text(tree, tvb, NIBHI(nib,length-3), "(not implemented)");
return nib;
}
gint Anchor_BS_switch_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 3 */
/* 8.4.5.4.23 [2] Anchor_BS_switch_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint nbss, acod, cqai, pad;
gint i;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Anchor_BS_switch_IE");
tree = proto_item_add_subtree(ti, ett_302i);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(nbss, 4, "N_Anchor_BS_switch");
for (i = 0; i < nbss; i++) {
XBIT(data,12, "Reduced CID");
XBIT(acod, 2, "Action Code");
if (acod == 1) {
XBIT(data, 3, "Action Time (A)");
XBIT(data, 3, "TEMP_BS_ID");
XBIT(data, 2, "Reserved");
}
if (acod == 0 || acod == 1) {
XBIT(data, 1, "AK Change Indicator");
XBIT(cqai, 1, "CQICH Allocation Indicator");
if (cqai == 1) {
/* variable bits from 0-9 */
if (cqich_id_size == 0) {
proto_tree_add_text(tree, tvb, BITHI(bit, 1), "CQICH_ID: n/a (size == 0 bits)");
} else {
data = BIT_BITS16(bit, bufptr, cqich_id_size);
proto_tree_add_text(tree, tvb, BITHI(bit, cqich_id_size),
"CQICH_ID: %d (%d bits)", data, cqich_id_size);
bit += cqich_id_size;
}
XBIT(data, 6, "Feedback channel offset");
XBIT(data, 2, "Period (=p)");
XBIT(data, 3, "Frame offset");
XBIT(data, 3, "Duration (=d)");
XBIT(data, 2, "MIMO_permutation_feedback_code");
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit,pad), "Reserved: %d bits", pad);
}
}
} else {
XBIT(data, 2, "Reserved");
}
}
XBIT(data, 4, "Reserved");
return BIT_TO_NIB(bit);
}
gint UL_sounding_command_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 4 */
/* 8.4.5.4.26 [2] UL_sounding_command_IE */
/* see 8.4.6.2.7.1 */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint stype, ssrf, srlf, iafb, pad, sept, nssym, ncid, amod;
gint i, j;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "UL_Sounding_Command_IE");
tree = proto_item_add_subtree(ti, ett_315d);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(stype, 1, "Sounding_Type");
XBIT(ssrf, 1, "Send Sounding Report Flag");
XBIT(srlf, 1, "Sounding Relevance Flag");
if (srlf == 0) {
XBIT(data, 1, "Sounding_Relevance");
XBIT(data, 2, "Reserved");
} else {
XBIT(data, 3, "Reserved");
}
XBIT(iafb, 2, "Include additional feedback");
if (stype == 0) {
XBIT(nssym, 3, "Num_Sounding_Symbols");
XBIT(data, 1, "Reserved");
for (i = 0; i < nssym; i++) {
XBIT(sept, 1, "Separability Type");
if (sept == 0) {
XBIT(data, 3, "Max Cyclic Shift Index P");
XBIT(data, 1, "Reserved");
} else {
XBIT(data, 3, "Decimation Value D");
XBIT(data, 1, "Decimation offset randomization");
}
XBIT(data, 3, "Sounding symbol index");
XBIT(ncid, 7, "Number of CIDs");
XBIT(data, 1, "Reserved");
for (j = 0; j < ncid; j++) {
XBIT(data,12, "Shorted Basic CID");
XBIT(data, 2, "Power Assignment Method");
XBIT(data, 1, "Power boost");
XBIT(data, 1, "Multi-Antenna Flag");
XBIT(amod, 1, "Allocation Mode");
if (amod == 1) {
XBIT(data,12, "Band bit map");
XBIT(data, 2, "Reserved");
} else {
XBIT(data, 7, "Starting frequency band");
XBIT(data, 7, "Number of frequency bands");
}
if (srlf == 1) {
XBIT(data, 1, "Sounding_Relevance");
} else {
XBIT(data, 1, "Reserved");
}
if (sept == 0) {
XBIT(data, 5, "Cyclic time shift index m");
} else {
XBIT(data, 6, "Decimation offset d");
if (iafb == 1) {
XBIT(data, 1, "Use same symbol for additional feedback");
XBIT(data, 2, "Reserved");
} else {
XBIT(data, 3, "Reserved");
}
}
XBIT(data, 3, "Periodicity");
}
}
} else {
XBIT(data, 3, "Permutation");
XBIT(data, 6, "DL_PermBase");
XBIT(nssym, 3, "Num_Sounding_symbols");
for (i = 0; i < nssym; i++) {
XBIT(ncid, 7, "Number of CIDs");
XBIT(data, 1, "Reserved");
for (j = 0; j < ncid; j++) {
XBIT(data, 12, "Shortened basic CID");
if (srlf) {
XBIT(data, 1, "Sounding_Relevance");
XBIT(data, 3, "Reserved");
}
XBIT(data, 7, "Subchannel offset");
XBIT(data, 1, "Power boost");
XBIT(data, 3, "Number of subchannels");
XBIT(data, 3, "Periodicity");
XBIT(data, 2, "Power assignment method");
}
}
}
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit,pad), "Padding: %d bits",pad);
bit += pad;
}
return BIT_TO_NIB(bit);
}
gint MIMO_UL_Enhanced_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 6 */
/* 8.4.5.4.20 [2] MIMO_UL_Enhanced_IE (not implemented) */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint nib;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
nib = offset;
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "MIMO_UL_Enhanced_IE");
tree = proto_item_add_subtree(ti, ett_302f);
XNIB(data, 1, "Extended-2 UIUC");
XNIB(data, 2, "Length");
proto_tree_add_text(tree, tvb, NIBHI(nib,length-3), "(not implemented)");
return nib;
}
gint HARQ_ULMAP_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 7 */
/* 8.4.5.4.24 HARQ_ULMAP_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint bitlength;
gint lastbit;
gint pad, mode, alsi, nsub;
gint i;
bit = NIB_TO_BIT(offset);
bitlength = NIB_TO_BIT(length);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "HARQ_ULMAP_IE");
tree = proto_item_add_subtree(ti, ett_302j);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(RCID_Type, 2, "RCID_Type");
XBIT(data, 2, "Reserved");
lastbit = bit + bitlength -16 - 4;
while (bit < lastbit) {
XBIT(mode, 3, "Mode");
XBIT(alsi, 1, "Allocation Start Indication");
if (alsi == 1) {
XBIT(data, 8, "OFDMA Symbol offset");
XBIT(data, 7, "Subchannel offset");
XBIT(data, 1, "Reserved");
}
XBIT(nsub, 4, "N sub Burst");
for (i = 0; i < nsub; i++) {
if (mode == 0) {
bit += UL_HARQ_Chase_Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 1) {
bit += UL_HARQ_IR_CTC_Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 2) {
bit += UL_HARQ_IR_CC_Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 3) {
bit += MIMO_UL_Chase_HARQ_Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 4) {
bit += MIMO_UL_IR_HARQ__Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 5) {
bit += MIMO_UL_IR_HARQ_for_CC_Sub_Burst_UIE(tree, bufptr, bit, bitlength, tvb);
} else if (mode == 6) {
bit += MIMO_UL_STC_HARQ_Sub_Burst_IE(tree, bufptr, bit, bitlength, tvb);
}
}
}
pad = NIB_TO_BIT(offset) + bitlength - bit;
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit,pad), "Padding: %d bits",pad);
bit += pad;
}
return BIT_TO_NIB(bit);
}
gint HARQ_ACKCH_Region_Allocation_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 8 */
/* 8.4.5.4.25 [2] HARQ_ACKCH_Region_Allocation_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "HARQ_ACKCH_Region_IE");
tree = proto_item_add_subtree(ti, ett_302t);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(data, 8, "OFDMA Symbol Offset");
XBIT(data, 7, "Subchannel Offset");
XBIT(data, 5, "No. OFDMA Symbols");
XBIT(data, 4, "No. Subchannels");
return BIT_TO_NIB(bit);
}
gint AAS_SDMA_UL_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 0xE */
/* 8.4.5.4.27 [2] AAS_SDMA_UL_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint nreg, pad, user, encm, ppmd, padj;
gint aasp = 0; /* TODO AAS UL preamble used */
gint ii, jj;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "AAS_SDMA_UL_IE");
tree = proto_item_add_subtree(ti, ett_302u);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(RCID_Type, 2, "RCID_Type");
XBIT(nreg, 4, "Num Burst Region");
XBIT(data, 2, "Reserved");
for (ii = 0; ii < nreg; ii++) {
XBIT(data,12, "Slot offset");
XBIT(data,10, "Slot duration");
XBIT(user, 3, "Number of users");
XBIT(data, 3, "Reserved");
for (jj = 0; jj < user; jj++) {
bit += RCID_IE(tree, bufptr, bit, length, tvb, RCID_Type);
XBIT(encm, 2, "Encoding Mode");
XBIT(padj, 1, "Power Adjust");
XBIT(ppmd, 1, "Pilot Pattern Modifier");
if (aasp) {
XBIT(data, 4, "Preamble Modifier Index");
}
if (ppmd) {
XBIT(data, 2, "Pilot Pattern");
XBIT(data, 2, "Reserved");
}
if (encm == 0) {
XBIT(data, 4, "DIUC");
XBIT(data, 2, "Repetition Coding Indication");
XBIT(data, 2, "Reserved");
}
if (encm == 1) {
XBIT(data, 4, "DIUC");
XBIT(data, 2, "Repetition Coding Indication");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 1, "Reserved");
}
if (encm == 2) {
XBIT(data, 4, "N(EP)");
XBIT(data, 4, "N(SCH)");
XBIT(data, 2, "SPID");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 1, "Reserved");
}
if (encm == 3) {
XBIT(data, 4, "DIUC");
XBIT(data, 2, "Repetition Coding Indication");
XBIT(data, 2, "SPID");
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 3, "Reserved");
}
if (padj) {
XBIT(data, 8, "Power Adjustment");
}
}
}
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit, pad), "Padding: %d bits", pad);
bit += pad;
}
return BIT_TO_NIB(bit);
}
gint Feedback_Polling_IE(proto_tree *uiuc_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* UL-MAP Extended-2 IE = 0xF */
/* 8.4.5.4.28 [2] Feedback_Polling_IE */
/* offset of TLV in nibbles, length of TLV in nibbles */
gint bit;
gint data;
proto_item *ti = NULL;
proto_item *tree = NULL;
gint nalloc, dula, pad, adur;
gint i;
bit = NIB_TO_BIT(offset);
ti = proto_tree_add_text(uiuc_tree, tvb, NIBHI(offset, length), "Feedback_Polling_IE");
tree = proto_item_add_subtree(ti, ett_302v);
XBIT(data, 4, "Extended-2 UIUC");
XBIT(data, 8, "Length");
XBIT(nalloc, 4, "Num_Allocation");
XBIT(dula, 1, "Dedicated UL Allocation included");
XBIT(data, 3, "Reserved");
for (i = 0; i < nalloc; i++) {
XBIT(data,16, "Basic CID");
XBIT(adur, 3, "Allocation Duration (d)");
if (adur != 0) {
XBIT(data, 4, "Feedback type");
XBIT(data, 3, "Frame Offset");
XBIT(data, 2, "Period (p)");
if (dula == 1) {
XBIT(data, 4, "UIUC");
XBIT(data, 8, "OFDMA Symbol Offset");
XBIT(data, 7, "Subchannel offset");
XBIT(data, 3, "Duration");
XBIT(data, 2, "Repetition coding indication");
}
}
}
pad = BIT_PADDING(bit,8);
if (pad) {
proto_tree_add_text(tree, tvb, BITHI(bit, pad), "Padding: %d bits", pad);
bit += pad;
}
return BIT_TO_NIB(bit);
}
/********************************************************************
* UL-MAP Miscellany
*******************************************************************/
void lshift_bits(guint8 *buffer, gint bytes, gint bits)
{
/* left shift a buffer by specified number of bits */
/* used for ULMAP ExtIE CQICH alloc IE */
gint i;
gint xbits;
while (bits >= 8) {
for (i=1; i<bytes; i++)
buffer[i-1] = buffer[i];
bits -= 8;
bytes--;
}
if (bits > 0)
{
xbits = 8 - bits;
for (i = 0; i < (bytes-1); i++) {
buffer[i] <<= bits;
buffer[i] |= (buffer[i+1] >> xbits);
}
buffer[bytes-1] <<= bits;
}
}
/* Register Wimax Mac Payload Protocol and Dissector */
void proto_register_mac_mgmt_msg_ulmap(void)
{
if (proto_mac_mgmt_msg_ulmap_decoder == -1)
{
proto_mac_mgmt_msg_ulmap_decoder = proto_mac_mgmt_msg_dlmap_decoder;
proto_register_field_array(proto_mac_mgmt_msg_ulmap_decoder, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
}
gint dissect_ulmap_ie( proto_tree *ie_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* decode a single UL-MAP IE and return the
* length of the IE in nibbles
* offset = start of IE (nibbles)
* length = total length of bufptr (nibbles) */
proto_item *ti = NULL;
proto_tree *tree = NULL;
gint nibble;
gint uiuc, ext_uiuc, ext2_uiuc, len, aas_or_amc;
guint cid;
guint data;
guint32 data32;
nibble = offset;
UNREFERENCED_PARAMETER(length);
/* 8.4.5.4 UL-MAP IE format - table 287 */
cid = NIB_WORD(nibble, bufptr);
uiuc = NIB_NIBBLE(nibble + 4, bufptr);
if (uiuc == 0)
{
/* 8.4.5.4.9 FAST-FEEDBACK channel */
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble, 5+8), "FAST FEEDBACK Allocation IE");
tree = proto_item_add_subtree(ti, ett_ulmap_ffb);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
data = NIB_LONG(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc0_symofs, tvb, NIBHI(nibble, 8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc0_subofs, tvb, NIBHI(nibble, 8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc0_numsym, tvb, NIBHI(nibble, 8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc0_numsub, tvb, NIBHI(nibble, 8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc0_rsv, tvb, NIBHI(nibble, 8), data);
nibble += 8;
}
else if (uiuc == 11)
{
/* 8.4.5.4.4.2 [2] extended-2 UIUC IE table 290b */
ext2_uiuc = NIB_NIBBLE(5+nibble, bufptr);
len = NIB_BYTE(5+nibble+1, bufptr);
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble, 5+3+len*2), "UIUC: %d (Extended-2 IE)", uiuc);
tree = proto_item_add_subtree(ti, ett_290b);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
/*
proto_tree_add_uint(tree, hf_ulmap_uiuc11_ext, tvb, NIBHI(nibble, 1), ext2_uiuc);
nibble += 1;
proto_tree_add_uint(tree, hf_ulmap_uiuc11_len, tvb, NIBHI(nibble, 2), len);
nibble += 2;
*/
len = 4 + BYTE_TO_NIB(len); /* length in nibbles */
/* data table 290c 8.4.5.4.4.2 */
switch (ext2_uiuc) {
case 0x00:
/* 8.4.5.4.16 CQICH_Enhanced_Allocation_IE */
nibble = CQICH_Enhanced_Allocation_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x01:
/* 8.4.5.4.18 HO_Anchor_Active_UL_MAP_IE */
nibble = HO_Anchor_Active_UL_MAP_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x02:
/* 8.4.5.4.19 HO_Active_Anchor_UL_MAP_IE */
nibble = HO_Active_Anchor_UL_MAP_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x03:
/* 8.4.5.4.23 Anchor_BS_switch_IE */
nibble = Anchor_BS_switch_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x04:
/* 8.4.5.4.26 UL_sounding_command_IE */
nibble = UL_sounding_command_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x06:
/* 8.4.5.4.20 MIMO_UL_Enhanced_IE */
nibble = MIMO_UL_Enhanced_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x07:
/* 8.4.5.4.24 HARQ_ULMAP_IE */
nibble = HARQ_ULMAP_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x08:
/* 8.4.5.4.25 HARQ_ACKCH_Region_Allocation_IE */
nibble = HARQ_ACKCH_Region_Allocation_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x0e:
/* 8.4.5.4.27 AAS_SDMA_UL_IE */
nibble = AAS_SDMA_UL_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x0f:
/* 8.4.5.4.28 Feedback_Polling_IE */
nibble = Feedback_Polling_IE(tree, bufptr, nibble, len, tvb);
break;
default:
proto_tree_add_text(tree, tvb, NIBHI(nibble, len), "(reserved Extended-2 UIUC: %d)", ext2_uiuc);
nibble += len;
break;
}
}
else if (uiuc == 12)
{
/* 8.4.5.4 [2] CDMA bandwidth request, CDMA ranging */
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble, 5+8), "CDMA Bandwidth/Ranging Request IE");
tree = proto_item_add_subtree(ti, ett_287_1);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
data32 = NIB_LONG(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_symofs, tvb, NIBHI(nibble,8), data32);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_subofs, tvb, NIBHI(nibble,8), data32);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_numsym, tvb, NIBHI(nibble,8), data32);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_numsub, tvb, NIBHI(nibble,8), data32);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_method, tvb, NIBHI(nibble,8), data32);
proto_tree_add_uint(tree, hf_ulmap_uiuc12_dri, tvb, NIBHI(nibble,8), data32);
nibble += 8;
}
else if (uiuc == 13)
{
/* 8.4.5.4.2 [2] PAPR reduction allocation, safety zone - table 289 */
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble,5+8), "PAPR/Safety/Sounding Zone IE");
tree = proto_item_add_subtree(ti, ett_289);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
data = NIB_LONG(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_symofs, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_subofs, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_numsym, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_numsub, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_papr, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_zone, tvb, NIBHI(nibble,8), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc13_rsv, tvb, NIBHI(nibble,8), data);
nibble += 8;
}
else if (uiuc == 14)
{
/* 8.4.5.4.3 [2] CDMA allocation IE */
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble,5+10), "CDMA allocation IE");
tree = proto_item_add_subtree(ti, ett_290);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
data = NIB_WORD(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_dur, tvb, NIBHI(nibble,2), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_uiuc, tvb, NIBHI(nibble+1,2), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_rep, tvb, NIBHI(nibble+2,1), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_idx, tvb, NIBHI(nibble+3,1), data);
nibble += 4;
data = NIB_BYTE(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_code, tvb, NIBHI(nibble,2), data);
proto_item_append_text(ti, " (0x%02x)", data);
nibble += 2;
data = NIB_BYTE(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_sym, tvb, NIBHI(nibble,2), data);
proto_item_append_text(ti, " (0x%02x)", data);
nibble += 2;
data = NIB_BYTE(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_sub, tvb, NIBHI(nibble,2), data);
proto_item_append_text(ti, " (0x%02x)", data >> 1);
proto_tree_add_uint(tree, hf_ulmap_uiuc14_bwr, tvb, NIBHI(nibble+1,1), data);
nibble += 2;
}
else if (uiuc == 15)
{
/* 8.4.5.4.4 [1] Extended UIUC dependent IE table 291 */
ext_uiuc = NIB_NIBBLE(5+nibble, bufptr);
len = NIB_NIBBLE(5+nibble+1, bufptr);
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble, 5+2+len*2), "UIUC: %d (Extended IE)", uiuc);
tree = proto_item_add_subtree(ti, ett_291);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble,4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble,1), uiuc);
nibble += 1;
/*
ti = proto_tree_add_uint(tree, hf_ulmap_uiuc11_ext, tvb, NIBHI(nibble,1), ext_uiuc);
nibble += 1;
proto_tree_add_uint(tree, hf_ulmap_uiuc11_len, tvb, NIBHI(nibble,1), len);
nibble += 1;
*/
len = 2 + BYTE_TO_NIB(len); /* length in nibbles */
/* data table 290a 8.4.5.4.4.1 */
switch (ext_uiuc) {
case 0x00:
/* 8.4.5.4.5 Power_Control_IE */
nibble = Power_Control_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x01:
/* 8.4.5.4.8 Mini-Subchannel_allocation_IE*/
nibble = Mini_Subchannel_allocation_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x02:
/* 8.4.5.4.6 AAS_UL_IE*/
nibble = AAS_UL_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x03:
/* 8.4.5.4.12 CQICH_Alloc_IE */
nibble = CQICH_Alloc_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x04:
/* 8.4.5.4.7 UL_Zone_IE */
nibble = UL_Zone_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x05:
/* 8.4.5.4.14 PHYMOD_UL_IE */
nibble = PHYMOD_UL_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x06:
/* 8.4.5.4.11 MIMO_UL_IE */
nibble = MIMO_UL_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x07:
/* 8.4.5.4.22 ULMAP_Fast_Tracking_IE */
nibble = ULMAP_Fast_Tracking_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x08:
/* 8.4.5.4.17 UL_PUSC_Burst_Allocation_in_other_segment_IE */
nibble = UL_PUSC_Burst_Allocation_in_other_segment_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x09:
/* 8.4.5.4.21 Fast_Ranging_IE */
nibble = Fast_Ranging_IE(tree, bufptr, nibble, len, tvb);
break;
case 0x0a:
/* 8.4.5.4.15 UL_Allocation_Start_IE */
nibble = UL_Allocation_Start_IE(tree, bufptr, nibble, len, tvb);
break;
default:
proto_tree_add_text(tree, tvb, NIBHI(nibble,len), "(reserved Extended UIUC: %d)", ext_uiuc);
nibble += len;
break;
}
}
else
{
/* 8.4.5.4 [2] regular IE 1-10, data grant burst type */
aas_or_amc = 0; /* TODO */
len = 3;
if (aas_or_amc) len += 3;
ti = proto_tree_add_text(ie_tree, tvb, NIBHI(nibble, 5+len), "Data Grant Burst Profile");
tree = proto_item_add_subtree(ti, ett_287_2);
proto_tree_add_uint(tree, hf_ulmap_ie_cid, tvb, NIBHI(nibble, 4), cid);
nibble += 4;
proto_tree_add_uint(tree, hf_ulmap_ie_uiuc, tvb, NIBHI(nibble, 1), uiuc);
nibble += 1;
data = NIB_WORD(nibble, bufptr);
proto_tree_add_uint(tree, hf_ulmap_uiuc10_dur, tvb, NIBHI(nibble,3), data);
proto_tree_add_uint(tree, hf_ulmap_uiuc10_rep, tvb, NIBHI(nibble+2,1), data);
nibble += 3;
if (aas_or_amc) {
data = NIB_BITS12(nibble, bufptr);
proto_tree_add_text(tree, tvb, NIBHI(nibble,3), "Slot offset: %d", data);
nibble += 3;
}
}
/* length in nibbles */
return (nibble - offset);
}
void dissect_mac_mgmt_msg_ulmap_decoder(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
/* 6.3.2.3.4 [2] UL-MAP table 18 */
guint offset = 0;
guint length;
guint nib, pad;
proto_item *ti = NULL;
proto_tree *ulmap_tree = NULL;
proto_tree *ie_tree = NULL;
guint tvb_len;
const guint8 *bufptr;
tvb_len = tvb_reported_length(tvb);
/* XXX This should be removed, and regular tvb accessors should be used instead. */
bufptr = tvb_get_ptr(tvb, offset, tvb_len);
UNREFERENCED_PARAMETER(pinfo);
/* display MAC UL-MAP */
ti = proto_tree_add_protocol_format(tree, proto_mac_mgmt_msg_ulmap_decoder, tvb, offset, tvb_len, "UL-MAP (%u bytes)", tvb_len);
ulmap_tree = proto_item_add_subtree(ti, ett_ulmap);
/* Decode and display the UL-MAP */
proto_tree_add_item(ulmap_tree, hf_ulmap_message_type, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ulmap_tree, hf_ulmap_reserved, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ulmap_tree, hf_ulmap_ucd_count, tvb, offset, 1, FALSE);
offset++;
proto_tree_add_item(ulmap_tree, hf_ulmap_alloc_start_time, tvb, offset, 4, FALSE);
offset += 4;
proto_tree_add_item(ulmap_tree, hf_ulmap_ofdma_sym, tvb, offset, 1, FALSE);
offset++;
/* UL-MAP IEs */
length = tvb_len - offset; /* remaining length in bytes */
ti = proto_tree_add_text(ulmap_tree, tvb, offset, length, "UL-MAP IEs (%u bytes)", length);
ie_tree = proto_item_add_subtree(ti, ett_ulmap_ie);
length = BYTE_TO_NIB(length); /* convert length to nibbles */
nib = BYTE_TO_NIB(offset);
while (nib < ((tvb_len*2)-1)) {
nib += dissect_ulmap_ie(ie_tree, bufptr, nib, tvb_len*2, tvb);
}
pad = NIB_PADDING(nib);
if (pad) {
proto_tree_add_text(ulmap_tree, tvb, NIBHI(nib,1), "Padding nibble");
nib++;
}
}
/*gint wimax_decode_ulmapc(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)*/
gint wimax_decode_ulmapc(proto_tree *base_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.6.2 [2] Compressed UL-MAP */
/* returns length in nibbles */
gint nib;
guint data;
proto_item *ti = NULL;
proto_tree *tree = NULL;
proto_tree *ie_tree = NULL;
nib = offset;
/* display MAC UL-MAP */
ti = proto_tree_add_protocol_format(base_tree, proto_mac_mgmt_msg_ulmap_decoder, tvb, NIBHI(offset,length), "Compressed UL-MAP");
tree = proto_item_add_subtree(ti, ett_306);
/* Decode and display the UL-MAP */
data = NIB_BYTE(nib, bufptr);
proto_tree_add_uint(tree, hf_ulmap_ucd_count, tvb, NIBHI(nib,2), data);
nib += 2;
data = NIB_LONG(nib, bufptr);
proto_tree_add_uint(tree, hf_ulmap_alloc_start_time, tvb, NIBHI(nib,8), data);
nib += 8;
data = NIB_BYTE(nib, bufptr);
proto_tree_add_uint(tree, hf_ulmap_ofdma_sym, tvb, NIBHI(nib,2), data); /* added 2005 */
nib += 2;
ti = proto_tree_add_text(tree, tvb, NIBHI(nib,length-nib), "UL-MAP IEs");
ie_tree = proto_item_add_subtree(ti, ett_306_ul);
while (nib < length-1) {
nib += dissect_ulmap_ie(ie_tree, bufptr, nib, length-nib, tvb);
}
/* padding */
if (nib & 1) {
proto_tree_add_text(tree, tvb, NIBHI(nib,1), "Padding Nibble");
nib++;
}
return length;
}
gint wimax_decode_ulmap_reduced_aas(proto_tree *base_tree, const guint8 *bufptr, gint offset, gint length, tvbuff_t *tvb)
{
/* 8.4.5.8.2 Reduced AAS private UL-MAP */
/* offset and length are in bits since this is called from within
* the Reduced AAS private DL-MAP
* return length in bits */
gint bit;
guint data;
proto_item *ti = NULL;
proto_tree *tree = NULL;
gint azci, azpi, umii, phmi, powi, fbck;
bit = offset;
ti = proto_tree_add_text(base_tree, tvb, BITHI(bit,length), "Reduced_AAS_Private_UL_MAP");
tree = proto_item_add_subtree(ti, ett_308b);
/* Decode and display the Reduced AAS private UL-MAP */
XBIT(azci, 1, "AAS zone configuration included");
XBIT(azpi, 1, "AAS zone position included");
XBIT(umii, 1, "UL-MAP information included");
XBIT(phmi, 1, "PHY modification included");
XBIT(powi, 1, "Power Control included");
XBIT(fbck, 2, "Include Feedback Header");
XBIT(data, 2, "Encoding Mode");
if (azci) {
XBIT(data, 2, "Permutation");
XBIT(data, 7, "UL_PermBase");
XBIT(data, 2, "Preamble Indication");
XBIT(data, 5, "Padding");
}
if (azpi) {
XBIT(data, 8, "Zone Symbol Offset");
XBIT(data, 8, "Zone Length");
}
if (umii) {
XBIT(data, 8, "UCD Count");
data = BIT_BITS64(bit,bufptr,32);
proto_tree_add_text(tree, tvb, BITHI(bit,32), "Private Map Allocation Start Time: %u",data);
bit += 32;
}
if (phmi) {
XBIT(data, 1, "Preamble Select");
XBIT(data, 4, "Preamble Shift Index");
XBIT(data, 1, "Pilot Pattern Modifier");
data = BIT_BITS32(bit,bufptr,22);
proto_tree_add_text(tree, tvb, BITHI(bit,22), "Pilot Pattern Index: %u",data);
bit += 22;
}
if (powi) {
XBIT(data, 8, "Power Control");
}
XBIT(data, 3, "UL Frame Offset");
XBIT(data,12, "Slot Offset");
XBIT(data,10, "Slot Duration");
XBIT(data, 4, "UIUC / N(EP)");
if (harq) {
XBIT(data, 4, "ACID");
XBIT(data, 1, "AI_SN");
XBIT(data, 3, "Reserved");
if (ir_type) {
XBIT(data, 4, "N(SCH)");
XBIT(data, 2, "SPID");
XBIT(data, 2, "Reserved");
}
}
XBIT(data, 2, "Repetition Coding Indication");
return (bit - offset); /* length in bits */
}
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