/* msg_ulmap.c * WiMax MAC Management UL-MAP Message decoder * * Copyright (c) 2007 by Intel Corporation. * * Author: Mike Harvey * * $Id$ * * Wireshark - Network traffic analyzer * By Gerald Combs * 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 #include #include #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 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 */ }