/* packet-gmr1_rr.c * * Routines for GMR-1 Radio Resource dissection in wireshark. * Copyright (c) 2011 Sylvain Munaut * * References: * [1] ETSI TS 101 376-4-8 V1.3.1 - GMR-1 04.008 * [2] ETSI TS 101 376-4-8 V2.2.1 - GMPRS-1 04.008 * [3] ETSI TS 101 376-4-8 V3.1.1 - GMR-1 3G 44.008 * [4] ETSI TS 100 940 V7.21.0 - GSM 04.08 * [5] ETSI TS 101 376-4-12 V3.2.1 - GMR-1 3G 44.060 * [6] ETSI TS 101 376-5-6 V1.3.1 - GMR-1 05.008 * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "config.h" #include #include #include #include "packet-gmr1_common.h" #include "packet-gmr1_rr.h" void proto_register_gmr1_rr(void); /* GMR-1 RR and CCCH proto */ static int proto_gmr1_rr; static int proto_gmr1_ccch; /* Fallback CCCH sub tree */ static int ett_msg_ccch; static int ett_rr_pd; static expert_field ei_gmr1_missing_mandatory_element; /* ------------------------------------------------------------------------ */ /* RR Information Elements */ /* ------------------------------------------------------------------------ */ enum gmr1_ie_rr_idx { GMR1_IE_RR_CHAN_DESC = 0, /* [1] 11.5.2.5 */ GMR1_IE_RR_CHAN_MODE, /* [1] 11.5.2.6 */ GMR1_IE_RR_CIPH_MODE_SETTING, /* [4] 10.5.2.9 */ GMR1_IE_RR_CIPH_RESP, /* [4] 10.5.2.10 */ GMR1_IE_RR_L2_PSEUDO_LEN, /* [1] 11.5.2.19 */ GMR1_IE_RR_PAGE_MODE, /* [1] 11.5.2.26 */ GMR1_IE_RR_REQ_REF, /* [1] 11.5.2.30 */ GMR1_IE_RR_CAUSE, /* [1] 11.5.2.31 */ GMR1_IE_RR_TIMING_OFS, /* [1] 11.5.2.40 */ GMR1_IE_RR_TMSI_PTMSI, /* [4] 10.5.2.42 */ GMR1_IE_RR_WAIT_IND, /* [4] 10.5.2.43 */ GMR1_IE_RR_MES_INFO_FLG, /* [1] 11.5.2.44 */ GMR1_IE_RR_FREQ_OFS, /* [1] 11.5.2.49 */ GMR1_IE_RR_PAGE_INFO, /* [1] 11.5.2.51 */ GMR1_IE_RR_POS_DISPLAY, /* [1] 11.5.2.52 */ GMR1_IE_RR_POS_UPD_INFO, /* [1] 11.5.2.54 */ GMR1_IE_RR_BCCH_CARRIER, /* [1] 11.5.2.55 */ GMR1_IE_RR_REJECT_CAUSE, /* [1] 11.5.2.56 */ GMR1_IE_RR_GPS_TIMESTAMP, /* [1] 11.5.2.57 */ GMR1_IE_RR_PWR_CTRL_PRM, /* [1] 11.5.2.60 */ GMR1_IE_RR_TMSI_AVAIL_MSK, /* [1] 11.5.2.62 */ GMR1_IE_RR_GPS_ALMANAC, /* [1] 11.5.2.63 */ GMR1_IE_RR_MSC_ID, /* [1] 11.5.2.100 */ GMR1_IE_RR_GPS_DISCR, /* [1] 11.5.2.101 */ GMR1_IE_RR_PKT_IMM_ASS_3_PRM, /* [3] 11.5.2.105 */ GMR1_IE_RR_PKT_FREQ_PRM, /* [3] 11.5.2.106 */ GMR1_IE_RR_PKT_IMM_ASS_2_PRM, /* [3] 11.5.2.107 */ GMR1_IE_RR_USF, /* [3] 11.5.2.110 */ GMR1_IE_RR_TIMING_ADV_IDX, /* [3] 10.1.18.3.4 */ GMR1_IE_RR_TLLI, /* [5] 12.16 */ GMR1_IE_RR_PKT_PWR_CTRL_PRM, /* [3] 10.1.18.3.3 */ GMR1_IE_RR_PERSISTENCE_LVL, /* [3] 10.1.18.4.2 */ NUM_GMR1_IE_RR /* Terminator */ }; static const value_string gmr1_ie_rr_strings[] = { { GMR1_IE_RR_CHAN_DESC, "Channel Description" }, /* [1] 11.5.2.5 */ { GMR1_IE_RR_CHAN_MODE, "Channel Mode" }, /* [1] 11.5.2.6 */ { GMR1_IE_RR_CIPH_MODE_SETTING, "Cipher Mode Setting" }, /* [4] 10.5.2.9 */ { GMR1_IE_RR_CIPH_RESP, "Cipher Response" }, /* [4] 10.5.2.10 */ { GMR1_IE_RR_L2_PSEUDO_LEN, "L2 Pseudo Length" }, /* [1] 11.5.2.19 */ { GMR1_IE_RR_PAGE_MODE, "Page Mode" }, /* [1] 11.5.2.26 */ { GMR1_IE_RR_REQ_REF, "Request Reference" }, /* [1] 11.5.2.30 */ { GMR1_IE_RR_CAUSE, "RR Cause" }, /* [1] 11.5.2.31 */ { GMR1_IE_RR_TIMING_OFS, "Timing Offset" }, /* [1] 11.5.2.40 */ { GMR1_IE_RR_TMSI_PTMSI, "TMSI/P-TMSI" }, /* [4] 10.5.2.42 */ { GMR1_IE_RR_WAIT_IND, "Wait Indication" }, /* [4] 10.5.2.43 */ { GMR1_IE_RR_MES_INFO_FLG, "MES Information Flag" }, /* [1] 11.5.2.44 */ { GMR1_IE_RR_FREQ_OFS, "Frequency Offset" }, /* [1] 11.5.2.49 */ { GMR1_IE_RR_PAGE_INFO, "Paging Information" }, /* [1] 11.5.2.51 */ { GMR1_IE_RR_POS_DISPLAY, "Position Display" }, /* [1] 11.5.2.52 */ { GMR1_IE_RR_POS_UPD_INFO, "Position Update Information" }, /* [1] 11.5.2.54 */ { GMR1_IE_RR_BCCH_CARRIER, "BCCH Carrier Specification"}, /* [1] 11.5.2.55 */ { GMR1_IE_RR_REJECT_CAUSE, "Reject Cause" }, /* [1] 11.5.2.56 */ { GMR1_IE_RR_GPS_TIMESTAMP, "GPS timestamp" }, /* [1] 11.5.2.57 */ { GMR1_IE_RR_PWR_CTRL_PRM, "Power Control Params" }, /* [1] 11.5.2.60 */ { GMR1_IE_RR_TMSI_AVAIL_MSK, "TMSI Availability Mask" }, /* [1] 11.5.2.62 */ { GMR1_IE_RR_GPS_ALMANAC, "GPS Almanac Data" }, /* [1] 11.5.2.63 */ { GMR1_IE_RR_MSC_ID, "MSC ID" }, /* [1] 11.5.2.100 */ { GMR1_IE_RR_GPS_DISCR, "GPS Discriminator" }, /* [1] 11.5.2.101 */ { GMR1_IE_RR_PKT_IMM_ASS_3_PRM, "Packet Imm. Ass. Type 3 Params" }, /* [3] 11.5.2.105 */ { GMR1_IE_RR_PKT_FREQ_PRM, "Packet Frequency Parameters" }, /* [3] 11.5.2.106 */ { GMR1_IE_RR_PKT_IMM_ASS_2_PRM, "Packet Imm. Ass. Type 2 Params" }, /* [3] 11.5.2.107 */ { GMR1_IE_RR_USF, "USF" }, /* [3] 11.5.2.110 */ { GMR1_IE_RR_TIMING_ADV_IDX, "Timing Advance Index" }, /* [3] 10.1.18.3.4 */ { GMR1_IE_RR_TLLI, "TLLI" }, /* [5] 12.16 */ { GMR1_IE_RR_PKT_PWR_CTRL_PRM, "Packet Power Control Params" }, /* [3] 10.1.18.3.3 */ { GMR1_IE_RR_PERSISTENCE_LVL, "Persistence Level" }, /* [3] 10.1.18.4.2 */ { 0, NULL }, }; value_string_ext gmr1_ie_rr_strings_ext = VALUE_STRING_EXT_INIT(gmr1_ie_rr_strings); int ett_gmr1_ie_rr[NUM_GMR1_IE_RR]; /* Fields */ static int hf_rr_msg_type; static int hf_rr_chan_desc_kab_loc; static int hf_rr_chan_desc_rx_tn; static int hf_rr_chan_desc_arfcn; static int hf_rr_chan_desc_tx_tn; static int hf_rr_chan_desc_chan_type; static int hf_rr_chan_mode; static int hf_rr_ciph_mode_setting_sc; static int hf_rr_ciph_mode_setting_algo; static int hf_rr_ciph_resp_cr; static int hf_rr_ciph_resp_spare; static int hf_rr_l2_pseudo_len; static int hf_rr_page_mode; static int hf_rr_page_mode_spare; static int hf_rr_req_ref_est_cause; static int hf_rr_req_ref_ra; static int hf_rr_req_ref_fn; static int hf_rr_cause; static int hf_rr_timing_ofs_ti; static int hf_rr_timing_ofs_value; static int hf_rr_tmsi_ptmsi; static int hf_rr_wait_ind_timeout; static int hf_rr_mif_mes1_ab; static int hf_rr_mif_mes1_i; static int hf_rr_mif_mes1_d; static int hf_rr_mif_mes2; static int hf_rr_mif_mes3; static int hf_rr_mif_mes4; static int hf_rr_mif_pv; static int hf_rr_freq_ofs_fi; static int hf_rr_freq_ofs_value; static int hf_rr_freq_ofs_spare; static int hf_rr_page_info_msc_id; static int hf_rr_page_info_chan_needed; static int hf_rr_pos_display_flag; static int hf_rr_pos_display_text; static int hf_rr_pos_upd_info_v; static int hf_rr_pos_upd_info_dist; static int hf_rr_pos_upd_info_time; static int hf_rr_bcch_carrier_arfcn; static int hf_rr_bcch_carrier_si; static int hf_rr_bcch_carrier_ri; static int hf_rr_bcch_carrier_spare; static int hf_rr_reject_cause; static int hf_rr_reject_cause_b; static int hf_rr_gps_timestamp; static int hf_rr_gps_power_control_params; static int hf_rr_tmsi_avail_msk_tmsi[4]; static int hf_rr_gps_almanac_pn; static int hf_rr_gps_almanac_wn; static int hf_rr_gps_almanac_word; static int hf_rr_gps_almanac_sfn; static int hf_rr_gps_almanac_co; static int hf_rr_gps_almanac_spare; static int hf_rr_msc_id; static int hf_rr_msc_id_spare; static int hf_rr_gps_discr; static int hf_rr_pkt_imm_ass_3_prm_rlc_mode; static int hf_rr_pkt_imm_ass_3_prm_spare; static int hf_rr_pkt_imm_ass_3_prm_dl_tfi; static int hf_rr_pkt_imm_ass_3_prm_start_fn; static int hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc; static int hf_rr_pkt_freq_prm_arfcn; static int hf_rr_pkt_freq_prm_dl_freq_plan_id; static int hf_rr_pkt_freq_prm_dl_bw; static int hf_rr_pkt_freq_prm_ul_freq_dist; static int hf_rr_pkt_freq_prm_ul_bw; static int hf_rr_pkt_freq_prm_spare; static int hf_rr_pkt_imm_ass_2_prm_ac_spare1; static int hf_rr_pkt_imm_ass_2_prm_ac_final_alloc; static int hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity; static int hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot; static int hf_rr_pkt_imm_ass_2_prm_ac_mac_mode; static int hf_rr_pkt_imm_ass_2_prm_ac_start_fn; static int hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt; static int hf_rr_pkt_imm_ass_2_prm_ac_mcs; static int hf_rr_pkt_imm_ass_2_prm_ac_tfi; static int hf_rr_pkt_imm_ass_2_prm_ac_spare2; static int hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc; static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd; static int hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512; static int hf_rr_pkt_imm_ass_2_prm_d_spare1; static int hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt; static int hf_rr_pkt_imm_ass_2_prm_d_spare2; static int hf_rr_pkt_imm_ass_2_prm_d_tfi; static int hf_rr_pkt_imm_ass_2_prm_d_usf_granularity; static int hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc; static int hf_rr_usf_value; static int hf_rr_usf_spare; static int hf_rr_timing_adv_idx_value; static int hf_rr_timing_adv_idx_spare; static int hf_rr_tlli; static int hf_rr_pkt_pwr_ctrl_prm_par; static int hf_rr_pkt_pwr_ctrl_prm_spare; static int hf_rr_persistence_lvl[4]; static int hf_rr_protocol_discriminator; static int hf_rr_message_elements; /* Generic display vals/func */ static const value_string rr_gen_ie_presence_vals[] = { { 0, "IE is absent" }, { 1, "IE is present" }, { 0, NULL } }; static void rr_gen_ie_seconds_fmt(char *s, uint32_t v) { snprintf(s, ITEM_LABEL_LENGTH, "%u seconds", v); } /* [1] 11.5.2.5 - Channel Description */ static const value_string rr_chan_desc_chan_type_vals[] = { { 1, "TCH3 No offset" }, { 3, "TCH3 1/2 symbol offset" }, { 6, "TCH6 No offset" }, { 7, "TCH6 1/2 symbol offset" }, { 4, "TCH9 No offset" }, { 5, "TCH9 1/2 symbol offset" }, { 13, "Reserved for SDCCH frames xx00" }, { 14, "Reserved for SDCCH frames xx01" }, { 15, "Reserved for SDCCH frames xx10" }, { 16, "Reserved for SDCCH frames xx11" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_chan_desc) { int bit_offset; bit_offset = offset << 3; /* KAB Location (6 bits)*/ proto_tree_add_bits_item(tree, hf_rr_chan_desc_kab_loc, tvb, bit_offset, 6, ENC_BIG_ENDIAN); bit_offset += 6; /* RX Timeslot (5 bits) */ proto_tree_add_bits_item(tree, hf_rr_chan_desc_rx_tn, tvb, bit_offset, 5, ENC_BIG_ENDIAN); bit_offset += 5; /* ARFCN (11 bits) */ proto_tree_add_bits_item(tree, hf_rr_chan_desc_arfcn, tvb, bit_offset, 11, ENC_BIG_ENDIAN); bit_offset += 11; /* TX Timeslot (5 bits) */ proto_tree_add_bits_item(tree, hf_rr_chan_desc_tx_tn, tvb, bit_offset, 5, ENC_BIG_ENDIAN); bit_offset += 5; /* Channel Type (5 bits) */ proto_tree_add_bits_item(tree, hf_rr_chan_desc_chan_type, tvb, bit_offset, 5, ENC_BIG_ENDIAN); /*bit_offset += 5;*/ return 4; } /* [1] 11.5.2.6 - Channel Mode */ static const value_string rr_chan_mode_vals[] = { { 0x00, "Signalling only" }, { 0x01, "Speech" }, { 0x03, "Data, 12,0 kbit/s radio I/F rate" }, { 0x0b, "Data, 6,0 kbit/s radio I/F rate" }, { 0x13, "Data, 3,6 kbit/s radio I/F rate" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_chan_mode) { /* Channel Mode */ proto_tree_add_item(tree, hf_rr_chan_mode, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [4] 10.5.2.9 - Cipher Mode Setting */ static const value_string rr_ciph_mode_setting_sc_vals[] = { { 0, "No ciphering"}, { 1, "Start ciphering"}, { 0, NULL } }; static const value_string rr_ciph_mode_setting_algo_vals[] = { { 0, "A5/1" }, { 1, "A5/2" }, { 2, "A5/3" }, { 3, "A5/4" }, { 4, "A5/5" }, { 5, "A5/6" }, { 6, "A5/7" }, { 7, "Reserved" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_ciph_mode_setting) { /* SC */ proto_tree_add_item(tree, hf_rr_ciph_mode_setting_sc, tvb, offset, 1, ENC_BIG_ENDIAN); /* Algo */ proto_tree_add_item(tree, hf_rr_ciph_mode_setting_algo, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [4] 10.5.2.10 - Cipher Response */ static const value_string rr_ciph_resp_cr_vals[] = { { 0, "IMEISV shall not be included"}, { 1, "IMEISV shall be included"}, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_ciph_resp) { /* CR */ proto_tree_add_item(tree, hf_rr_ciph_resp_cr, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_ciph_resp_spare, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.19 - L2 Pseudo Length */ GMR1_IE_FUNC(gmr1_ie_rr_l2_pseudo_len) { /* L2 Pseudo Length value */ proto_tree_add_item(tree, hf_rr_l2_pseudo_len, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.26 - Page Mode */ static const value_string rr_page_mode_vals[] = { { 0, "Normal Paging" }, { 1, "Reserved (Changed from Extended Paging in GSM)" }, { 2, "Paging Reorganization" }, { 3, "Same as before" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_page_mode) { /* Page mode */ proto_tree_add_item(tree, hf_rr_page_mode, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_page_mode_spare, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.30 - Request Reference */ static const value_string rr_req_ref_est_cause_vals[] = { { 0, "MO call" }, { 1, "In response to paging/alerting" }, { 2, "Location update/IMSI detach" }, { 3, "Emergency call" }, { 4, "Supplementary/short message service" }, { 5, "Position verification" }, { 6, "Any other valid cause" }, { 7, "Reserved" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_req_ref) { /* Establishment Cause + RA */ proto_tree_add_item(tree, hf_rr_req_ref_est_cause, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_req_ref_ra, tvb, offset, 1, ENC_BIG_ENDIAN); offset++; /* Frame number % 256 */ proto_tree_add_item(tree, hf_rr_req_ref_fn, tvb, offset, 1, ENC_BIG_ENDIAN); return 2; } /* [1] 11.5.2.31 - RR Cause */ static const value_string rr_cause_vals[] = { { 0x00, "Normal event" }, { 0x01, "Abnormal release, unspecified" }, { 0x02, "Abnormal release, channel unacceptable" }, { 0x03, "Abnormal release, timer expired" }, { 0x04, "Abnormal release, no activity on the radio path" }, { 0x05, "Preemptive release" }, { 0x09, "Channel mode unacceptable" }, { 0x0a, "Frequency not implemented" }, { 0x0b, "Position unacceptable" }, { 0x41, "Call already cleared" }, { 0x5f, "Semantically incorrect message" }, { 0x60, "Invalid mandatory information" }, { 0x61, "Message type nonexistent or not implemented" }, { 0x62, "Message type not compatible with protocol state" }, { 0x6f, "Protocol error unspecified" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_cause) { /* RR Cause */ proto_tree_add_item(tree, hf_rr_cause, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.40 - Timing Offset */ static const value_string rr_timing_ofs_ti_vals[] = { { 0, "The timing offset parameter in this IE to be ignored" }, { 1, "The timing offset parameter has a valid value" }, { 0, NULL } }; static void rr_timing_ofs_value_fmt(char *s, uint32_t v) { int32_t sv = (signed)v; snprintf(s, ITEM_LABEL_LENGTH, "%.3f symbols ( ~ %.3f ms )", sv / 40.0f, (sv / 40.0f) * (10.0f / 234.0f)); } GMR1_IE_FUNC(gmr1_ie_rr_timing_ofs) { int bit_offset; bit_offset = offset << 3; /* TI */ proto_tree_add_bits_item(tree, hf_rr_timing_ofs_ti, tvb, bit_offset, 1, ENC_BIG_ENDIAN); bit_offset++; /* Value */ proto_tree_add_bits_item(tree, hf_rr_timing_ofs_value, tvb, bit_offset, 15, ENC_BIG_ENDIAN); /*bit_offset += 15;*/ return 2; } /* [4] 10.5.2.42 - TMSI/P-TMSI */ GMR1_IE_FUNC(gmr1_ie_rr_tmsi_ptmsi) { /* TMSI/P-TMSI value as hex */ proto_tree_add_item(tree, hf_rr_tmsi_ptmsi, tvb, offset, 4, ENC_BIG_ENDIAN); return 4; } /* [4] 10.5.2.43 - Wait Indication */ GMR1_IE_FUNC(gmr1_ie_rr_wait_ind) { /* Timeout value */ proto_tree_add_item(tree, hf_rr_wait_ind_timeout, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.44 - MES Information Flag */ static const value_string rr_mif_mes1_ab_vals[] = { { 0, "Chan. Assigned: MES1 registered at selected GS" }, { 1, "Chan. Assigned: MES1 requires registration at selected GS" }, { 2, "Chan. Assigned; MES 1 Extended Channel Req. Reqd" }, { 3, "Pause Timer Indication" }, { 0, NULL } }; static const value_string rr_mif_mes234_vals[] = { { 0, "MES doesn't exists" }, { 1, "Pause Timer Ind for this MES" }, { 0, NULL } }; static const value_string rr_mif_pv_vals[] = { { 0, "Position Verification not requested" }, { 1, "MES1 shall send a Channel Request for Position Verification following the completion of the upcoming call" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_mes_info_flg) { proto_tree_add_item(tree, hf_rr_mif_mes1_ab, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_mes1_i, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_mes1_d, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_mes2, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_mes3, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_mes4, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_mif_pv, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.49 - Frequency Offset */ static const value_string rr_freq_ofs_fi_vals[] = { { 0, "The frequency offset parameter in this IE to be ignored" }, { 1, "The frequency offset parameter has a valid value" }, { 0, NULL } }; static void rr_freq_ofs_value_fmt(char *s, uint32_t v) { int32_t sv = (signed)v; snprintf(s, ITEM_LABEL_LENGTH, "%d Hz", sv); } GMR1_IE_FUNC(gmr1_ie_rr_freq_ofs) { int bit_offset; bit_offset = offset << 3; /* FI */ proto_tree_add_bits_item(tree, hf_rr_freq_ofs_fi, tvb, bit_offset, 1, ENC_BIG_ENDIAN); bit_offset++; /* Value */ proto_tree_add_bits_item(tree, hf_rr_freq_ofs_value, tvb, bit_offset, 12, ENC_BIG_ENDIAN); bit_offset += 12; /* Spare */ proto_tree_add_bits_item(tree, hf_rr_freq_ofs_spare, tvb, bit_offset, 3, ENC_BIG_ENDIAN); /*bit_offset += 3;*/ return 2; } /* [1] 11.5.2.51 - Paging Information */ static const value_string rr_page_info_chan_needed_vals[] = { { 0, "Any" }, { 1, "SDCCH" }, { 2, "TCH3" }, { 3, "PDCCH" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_page_info) { /* MSC ID & Channel needed */ proto_tree_add_item(tree, hf_rr_page_info_msc_id, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_page_info_chan_needed, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.52 - Position Display */ static const value_string rr_pos_display_flag_vals[] = { { 0, "Position not available" }, { 1, "No position display service" }, { 2, "Use default 7-bit alphabet (GSM 03.38)" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_pos_display) { const unsigned char *txt_raw; char *txt_packed, *txt_unpacked; tvbuff_t *txt_packed_tvb; int i; /* Flag */ proto_tree_add_item(tree, hf_rr_pos_display_flag, tvb, offset, 1, ENC_BIG_ENDIAN); /* Get text in an aligned tvbuff */ /* Do not use tvb_new_octet_aligned(), GSM 7bit packing bit parsing goes from LSB to MSB so a trick is applied here for the last byte */ txt_raw = tvb_get_ptr(tvb, offset, 11); txt_packed = (char*)wmem_alloc(pinfo->pool, 11); for (i=0; i<10; i++) txt_packed[i] = (txt_raw[i] << 4) | (txt_raw[i+1] >> 4); txt_packed[10] = txt_raw[10]; txt_packed_tvb = tvb_new_real_data(txt_packed, 11, 11); /* Unpack text */ txt_unpacked = tvb_get_ts_23_038_7bits_string_packed(pinfo->pool, txt_packed_tvb, 0, 12); tvb_free(txt_packed_tvb); /* Display it */ proto_tree_add_string(tree, hf_rr_pos_display_text, tvb, offset, 11, txt_unpacked); return 11; } /* [1] 11.5.2.54 - Position Update Information */ static const value_string rr_pos_upd_info_v_vals[] = { { 0, "Information in this IE is Invalid and should be ignored" }, { 1, "Information in this IE is Valid" }, { 0, NULL } }; static void rr_pos_upd_info_dist_fmt(char *s, uint32_t v) { snprintf(s, ITEM_LABEL_LENGTH, "%d km", v); } static void rr_pos_upd_info_time_fmt(char *s, uint32_t v) { snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v); } GMR1_IE_FUNC(gmr1_ie_rr_pos_upd_info) { int curr_offset = offset; /* Valid & GPS Update Distance */ proto_tree_add_item(tree, hf_rr_pos_upd_info_v, tvb, curr_offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_pos_upd_info_dist, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; /* GPS Update Timer */ proto_tree_add_item(tree, hf_rr_pos_upd_info_time, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; return 2; } /* [1] 11.5.2.55 - BCCH Carrier */ static const value_string rr_bcch_carrier_si_vals[] = { { 0, "BCCH carrier is on the same satellite" }, { 1, "BCCH carrier is on a different satellite" }, { 0, NULL } }; static const value_string rr_bcch_carrier_ri_vals[] = { { 0, "Spot beam reselection not needed; use the spot beam with given BCCH" }, { 1, "Spot beam reselection needed; use the BCCH for spot beam reselection" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_bcch_carrier) { int bit_offset; bit_offset = offset << 3; /* ARFCN */ proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_arfcn, tvb, bit_offset, 11, ENC_BIG_ENDIAN); bit_offset += 11; /* Sat ind */ proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_si, tvb, bit_offset, 1, ENC_BIG_ENDIAN); bit_offset++; /* Resel ind */ proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_ri, tvb, bit_offset, 1, ENC_BIG_ENDIAN); bit_offset++; /* Spare */ proto_tree_add_bits_item(tree, hf_rr_bcch_carrier_spare, tvb, bit_offset, 3, ENC_BIG_ENDIAN); /*bit_offset += 3;*/ return 2; } /* [1] 11.5.2.56 - Reject Cause */ static const value_string rr_reject_cause_vals[] = { { 0x00, "Lack of resources (default)" }, { 0x11, "Invalid position for selected LAI" }, { 0x12, "Invalid position for selected spot beam" }, { 0x13, "Invalid position" }, { 0x15, "Position too old" }, { 0x16, "Invalid position for service provider" }, { 0x17, "Redirect to new satellite" }, { 0x3f, "Reported position acceptable" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_reject_cause) { /* Cause */ proto_tree_add_item(tree, hf_rr_reject_cause, tvb, offset, 1, ENC_BIG_ENDIAN); /* BCCH carrier */ proto_tree_add_item(tree, hf_rr_reject_cause_b, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.57 - GPS timestamp */ static void rr_gps_timestamp_fmt(char *s, uint32_t v) { if (v == 0xffff) snprintf(s, ITEM_LABEL_LENGTH, "> 65535 minutes or N/A"); else snprintf(s, ITEM_LABEL_LENGTH, "%d minutes", v); } GMR1_IE_FUNC(gmr1_ie_rr_gps_timestamp) { /* GPS timestamp */ proto_tree_add_item(tree, hf_rr_gps_timestamp, tvb, offset, 2, ENC_BIG_ENDIAN); return 2; } /* [1] 11.5.2.60 - Power Control Params */ GMR1_IE_FUNC(gmr1_ie_rr_pwr_ctrl_prm) { /* It's CSN1 encoded and we have no real world sample. Until we do, * we don't pollute the code with a bunch of untested stuff ... */ proto_tree_add_item(tree, hf_rr_gps_power_control_params, tvb, offset, 5, ENC_NA); return 5; } /* [1] 11.5.2.62 - Availability Mask */ GMR1_IE_FUNC(gmr1_ie_rr_tmsi_avail_msk) { int i; for (i=0; i<4; i++) proto_tree_add_item(tree, hf_rr_tmsi_avail_msk_tmsi[i], tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.63 - GPS Almanac Data */ static void rr_gps_almanac_pn_fmt(char *s, uint32_t v) { snprintf(s, ITEM_LABEL_LENGTH, "%d", v+1); } static const value_string rr_gps_almanac_sfn_vals[] = { { 0, "Frame 4" }, { 1, "Frame 5" }, { 0, NULL } }; GMR1_IE_FUNC(gmr1_ie_rr_gps_almanac) { int curr_offset = offset; /* Page Number & Word Number */ proto_tree_add_item(tree, hf_rr_gps_almanac_pn, tvb, curr_offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_gps_almanac_wn, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; /* Almanac Data */ proto_tree_add_item(tree, hf_rr_gps_almanac_word, tvb, curr_offset, 3, ENC_BIG_ENDIAN); curr_offset += 3; /* SubFrame Number & CO & Spare */ proto_tree_add_item(tree, hf_rr_gps_almanac_sfn, tvb, curr_offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_gps_almanac_co, tvb, curr_offset, 1, ENC_BIG_ENDIAN); proto_tree_add_item(tree, hf_rr_gps_almanac_spare, tvb, curr_offset, 1, ENC_BIG_ENDIAN); curr_offset++; return 5; } /* [1] 11.5.2.100 - MSC ID */ GMR1_IE_FUNC(gmr1_ie_rr_msc_id) { /* MSC ID */ proto_tree_add_item(tree, hf_rr_msc_id, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare bits */ proto_tree_add_item(tree, hf_rr_msc_id_spare, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [1] 11.5.2.101 - GPS Discriminator */ GMR1_IE_FUNC(gmr1_ie_rr_gps_discr) { /* GPS Position CRC value */ proto_tree_add_item(tree, hf_rr_gps_discr, tvb, offset, 2, ENC_BIG_ENDIAN); return 2; } /* [3] 11.5.2.105 - Packet Imm. Ass. Type 3 Params */ static const value_string rr_pkt_imm_ass_3_prm_rlc_mode_vals[] = { { 0, "RLC acknowledged mode" }, { 1, "RLC unacknowledged mode" }, { 0, NULL } }; static const crumb_spec_t rr_pkt_imm_ass_3_prm_dl_tfi_crumbs[] = { { 0, 3 }, { 12, 4 }, { 0, 0 } }; GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_3_prm) { /* RLC Mode */ proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_rlc_mode, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_spare, tvb, offset, 1, ENC_BIG_ENDIAN); /* Downlink Temporary Flow Identifier (TFI) */ proto_tree_add_split_bits_item_ret_val( tree, hf_rr_pkt_imm_ass_3_prm_dl_tfi, tvb, offset << 3, rr_pkt_imm_ass_3_prm_dl_tfi_crumbs, NULL); /* Starting Frame Number */ proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_start_fn, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* MAC Slot allocation */ proto_tree_add_item(tree, hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc, tvb, offset+2, 1, ENC_BIG_ENDIAN); return 3; } /* [3] 11.5.2.106 - Packet Frequency Parameters */ static const value_string rr_pkt_freq_prm_dl_freq_plan_id_vals[] = { { 0, "S-Band" }, /* Pretty much a guess ... */ { 1, "L-Band" }, /* didn't find exact value in specs */ { 0, NULL } }; static const crumb_spec_t rr_pkt_freq_prm_arfcn_crumbs[] = { { 0, 8 }, { 13, 3 }, { 0, 0 } }; static const crumb_spec_t rr_pkt_freq_prm_ul_freq_dist_crumbs[] = { { 0, 1 }, { 12, 4 }, { 0, 0 } }; static void rr_pkt_freq_prm_xx_bw_fmt(char *s, uint32_t v) { snprintf(s, ITEM_LABEL_LENGTH, "%d * 31.25 kHz = %.2f kHz (%d)", v, 31.25f*v, v); } GMR1_IE_FUNC(gmr1_ie_rr_pkt_freq_prm) { /* ARFCN */ proto_tree_add_split_bits_item_ret_val( tree, hf_rr_pkt_freq_prm_arfcn, tvb, offset << 3, rr_pkt_freq_prm_arfcn_crumbs, NULL); /* DL Freq plan ID */ proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_freq_plan_id, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* DL bandwidth */ proto_tree_add_item(tree, hf_rr_pkt_freq_prm_dl_bw, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* UL Freq distance */ proto_tree_add_split_bits_item_ret_val( tree, hf_rr_pkt_freq_prm_ul_freq_dist, tvb, (offset+1) << 3, rr_pkt_freq_prm_ul_freq_dist_crumbs, NULL); /* UL bandwidth */ proto_tree_add_item(tree, hf_rr_pkt_freq_prm_ul_bw, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_pkt_freq_prm_spare, tvb, offset+2, 1, ENC_BIG_ENDIAN); return 3; } /* [3] 11.5.2.107 - Packet Imm. Ass. Type 2 Params */ static const value_string rr_pkt_imm_ass_2_prm_ac_mac_mode_vals[] = { { 0, "Dynamic allocation" }, { 1, "Reserved" }, { 2, "Reserved" }, { 3, "Reserved" }, { 0, NULL } }; static const crumb_spec_t rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs[] = { { 0, 4 }, { 13, 3 }, { 0, 0 } }; GMR1_IE_FUNC(gmr1_ie_rr_pkt_imm_ass_2_prm) { proto_tree *subtree_ac, *subtree_d; /* Terminal AC */ /* ----------- */ subtree_ac = proto_tree_add_subtree(tree, tvb, offset, 5, ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM], NULL, "GMPRS Terminal type A or C"); /* Spare */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare1, tvb, offset, 1, ENC_BIG_ENDIAN); /* Final Allocation */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_final_alloc, tvb, offset, 1, ENC_BIG_ENDIAN); /* USF Granularity */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity, tvb, offset, 1, ENC_BIG_ENDIAN); /* Downlink Control MAC slot */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot, tvb, offset, 1, ENC_BIG_ENDIAN); /* MAC Mode */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_mode, tvb, offset, 1, ENC_BIG_ENDIAN); /* Starting Frame Number */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_start_fn, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* RLC Data Blocks Granted */ proto_tree_add_split_bits_item_ret_val( tree, hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt, tvb, (offset+1) << 3, rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt_crumbs, NULL); /* MCS */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mcs, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* TFI */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_tfi, tvb, offset+3, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_spare2, tvb, offset+3, 1, ENC_BIG_ENDIAN); /* MAC Slot allocation */ proto_tree_add_item(subtree_ac, hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc, tvb, offset+4, 1, ENC_BIG_ENDIAN); /* Terminal D */ /* ---------- */ subtree_d = proto_tree_add_subtree(tree, tvb, offset, 5, ett_gmr1_ie_rr[GMR1_IE_RR_PKT_IMM_ASS_2_PRM], NULL, "GMPRS Terminal type D"); /* Channel MCS command */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd, tvb, offset, 1, ENC_BIG_ENDIAN); /* Channel MCS command PNB(5,12) */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare1, tvb, offset+1, 1, ENC_BIG_ENDIAN); /* RLC Data Blocks Granted */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_spare2, tvb, offset+2, 1, ENC_BIG_ENDIAN); /* TFI */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_tfi, tvb, offset+3, 1, ENC_BIG_ENDIAN); /* USF Granularity */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_usf_granularity, tvb, offset+3, 1, ENC_BIG_ENDIAN); /* MAC Slot allocation */ proto_tree_add_item(subtree_d, hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc, tvb, offset+4, 1, ENC_BIG_ENDIAN); return 5; } /* [3] 11.5.2.110 - USF */ GMR1_IE_FUNC(gmr1_ie_rr_usf) { /* Spare */ proto_tree_add_item(tree, hf_rr_usf_spare, tvb, offset, 3, ENC_BIG_ENDIAN); /* USF */ proto_tree_add_item(tree, hf_rr_usf_value, tvb, offset+2, 1, ENC_BIG_ENDIAN); return 3; } /* [3] 10.1.18.3.4 & [5] 12.29 - Timing Advance Index */ GMR1_IE_FUNC(gmr1_ie_rr_timing_adv_idx) { /* TAI */ proto_tree_add_item(tree, hf_rr_timing_adv_idx_value, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_timing_adv_idx_spare, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [5] 12.16 - TLLI */ GMR1_IE_FUNC(gmr1_ie_rr_tlli) { /* TLLI value as hex */ proto_tree_add_item(tree, hf_rr_tlli, tvb, offset, 4, ENC_BIG_ENDIAN); return 4; } /* [3] 10.1.18.3.3 & [5] 10.4.10a & [6] 5.3.3 - Packet Power Control Params */ static void rr_pkt_pwr_ctrl_prm_par_fmt(char *s, uint32_t v) { if (v >= 61) { snprintf(s, ITEM_LABEL_LENGTH, "Escape %d (%d)", v-60, v); return; } snprintf(s, ITEM_LABEL_LENGTH, "%.1f dB (%d)", v*0.4f, v); } GMR1_IE_FUNC(gmr1_ie_rr_pkt_pwr_ctrl_prm) { /* Power Attenuation Request (PAR) */ proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_par, tvb, offset, 1, ENC_BIG_ENDIAN); /* Spare */ proto_tree_add_item(tree, hf_rr_pkt_pwr_ctrl_prm_spare, tvb, offset, 1, ENC_BIG_ENDIAN); return 1; } /* [3] 10.1.18.4.2 & [5] 12.14 - Persistence Level */ GMR1_IE_FUNC(gmr1_ie_rr_persistence_lvl) { int i; for (i=0; i<4; i++) proto_tree_add_item(tree, hf_rr_persistence_lvl[i], tvb, offset + (i>>1), 1, ENC_BIG_ENDIAN); return 2; } elem_fcn gmr1_ie_rr_func[NUM_GMR1_IE_RR] = { gmr1_ie_rr_chan_desc, /* Channel Description */ gmr1_ie_rr_chan_mode, /* Channel Mode */ gmr1_ie_rr_ciph_mode_setting, /* Cipher Mode Setting */ gmr1_ie_rr_ciph_resp, /* Cipher Response */ gmr1_ie_rr_l2_pseudo_len, /* L2 Pseudo Length */ gmr1_ie_rr_page_mode, /* Page Mode */ gmr1_ie_rr_req_ref, /* Request Reference */ gmr1_ie_rr_cause, /* RR Cause */ gmr1_ie_rr_timing_ofs, /* Timing Offset */ gmr1_ie_rr_tmsi_ptmsi, /* TMSI/P-TMSI */ gmr1_ie_rr_wait_ind, /* Wait Indication */ gmr1_ie_rr_mes_info_flg, /* MES Information Flag */ gmr1_ie_rr_freq_ofs, /* Frequency Offset */ gmr1_ie_rr_page_info, /* Paging Information */ gmr1_ie_rr_pos_display, /* Position Display */ gmr1_ie_rr_pos_upd_info, /* Position Update Information */ gmr1_ie_rr_bcch_carrier, /* BCCH Carrier */ gmr1_ie_rr_reject_cause, /* Reject Cause */ gmr1_ie_rr_gps_timestamp, /* GPS timestamp */ gmr1_ie_rr_pwr_ctrl_prm, /* Power Control Params */ gmr1_ie_rr_tmsi_avail_msk, /* TMSI Availability Mask */ gmr1_ie_rr_gps_almanac, /* GPS Almanac Data */ gmr1_ie_rr_msc_id, /* MSC ID */ gmr1_ie_rr_gps_discr, /* GPS Discriminator */ gmr1_ie_rr_pkt_imm_ass_3_prm, /* Packet Imm. Ass. Type 3 Params */ gmr1_ie_rr_pkt_freq_prm, /* Packet Frequency Parameters */ gmr1_ie_rr_pkt_imm_ass_2_prm, /* Packet Imm. Ass. Type 2 Params */ gmr1_ie_rr_usf, /* USF */ gmr1_ie_rr_timing_adv_idx, /* Timing Advance Index */ gmr1_ie_rr_tlli, /* TLLI */ gmr1_ie_rr_pkt_pwr_ctrl_prm, /* Packet Power Control Params */ gmr1_ie_rr_persistence_lvl, /* Persistence Level */ }; /* ------------------------------------------------------------------------ */ /* RR Messages */ /* ------------------------------------------------------------------------ */ /* [1] 10.1.18 - Immediate Assignment */ GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass) { uint8_t mif; GMR1_MSG_FUNC_BEGIN /* MES Information Flag [1] 11.5.2.44 - M V 1 */ mif = tvb_get_uint8(tvb, curr_offset); ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MES_INFO_FLG, NULL, ei_gmr1_missing_mandatory_element); /* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1", ei_gmr1_missing_mandatory_element); /* GPS Discriminator [1] 11.5.2.101 - C V 2 */ if ((mif & 0x03) != 0x02) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, " - MES1", ei_gmr1_missing_mandatory_element); } /* Channel Description [1] 11.5.2.5 - C V 4 */ if ((mif & 0x03) != 0x03) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, " - MES1", ei_gmr1_missing_mandatory_element); } /* Timing Offset [1] 11.5.2.40 - C V 2 */ if ((mif & 0x03) != 0x03) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, " - MES1", ei_gmr1_missing_mandatory_element); } /* Frequency Offset [1] 11.5.2.49 - C V 2 */ if ((mif & 0x03) != 0x03) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, " - MES1", ei_gmr1_missing_mandatory_element); } /* Idle Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */ if (mif & 0x04) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode", ei_gmr1_missing_mandatory_element); } /* Ded. Mode Pos. Upd. Info. [1] 11.5.2.54 - C V 2 */ if (mif & 0x08) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Dedicated Mode", ei_gmr1_missing_mandatory_element); } /* Request Reference 2 (MES2) [1] 11.5.2.30 - C V 2 */ if (mif & 0x10) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2", ei_gmr1_missing_mandatory_element); } /* Request Reference 3 (MES3) [1] 11.5.2.30 - C V 2 */ if (mif & 0x20) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3", ei_gmr1_missing_mandatory_element); } /* Request Reference 4 (MES4) [1] 11.5.2.30 - C V 2 */ if (mif & 0x40) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4", ei_gmr1_missing_mandatory_element); } /* IA Rest Octets [1] 11.5.2.16 - M V 0..18 */ /* FIXME */ GMR1_MSG_FUNC_END } /* [1] 10.1.20.1 - Immediate Assignment Reject Type 1 */ GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_rej_1) { uint8_t rej_cause; GMR1_MSG_FUNC_BEGIN /* Request Reference 1 (MES1) [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES1", ei_gmr1_missing_mandatory_element); /* GPS Discriminator [1] 11.5.2.101 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL, ei_gmr1_missing_mandatory_element); /* Reject Cause [1] 11.5.2.56 - M V 1 */ rej_cause = tvb_get_uint8(tvb, curr_offset); ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REJECT_CAUSE, NULL, ei_gmr1_missing_mandatory_element); /* Wait Indication 1 (MES1) [4] 10.5.2.43 - C V 1 */ if ((rej_cause & 0xfc) == 0x00) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES1", ei_gmr1_missing_mandatory_element); } /* Request Reference 2 (MES2) [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES2", ei_gmr1_missing_mandatory_element); /* Wait Indication 2 (MES2) [4] 10.5.2.43 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES2", ei_gmr1_missing_mandatory_element); /* Request Reference 3 (MES3) [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES3", ei_gmr1_missing_mandatory_element); /* Wait Indication 3 (MES3) [4] 10.5.2.43 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES3", ei_gmr1_missing_mandatory_element); /* Request Reference 4 (MES4) [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, " - MES4", ei_gmr1_missing_mandatory_element); /* Wait Indication 4 (MES4) [4] 10.5.2.43 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_WAIT_IND, " - MES4", ei_gmr1_missing_mandatory_element); /* Idle Mode Position Update Info. [1] 11.5.2.54 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, " - Idle Mode", ei_gmr1_missing_mandatory_element); /* BCCH Carrier Specification [1] 11.5.2.55 - C V 2 */ if (rej_cause & 1) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_BCCH_CARRIER, NULL, ei_gmr1_missing_mandatory_element); } /* MSC ID [1] 11.5.2.100 - C V 1 */ if ((rej_cause & 0xfc) == 0x5c) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_MSC_ID, NULL, ei_gmr1_missing_mandatory_element); } /* IAR Rest Octets [1] 11.5.2.17 - M V 1..4 */ /* FIXME */ GMR1_MSG_FUNC_END } /* [1] 10.1.20.4 - Position Verification Notify */ GMR1_MSG_FUNC(gmr1_rr_msg_pos_verif_notify) { GMR1_MSG_FUNC_BEGIN /* Request Reference [1] 11.5.2.30 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_REQ_REF, NULL, ei_gmr1_missing_mandatory_element); /* GPS Discriminator [1] 11.5.2.101 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_DISCR, NULL, ei_gmr1_missing_mandatory_element); /* Position Display [1] 11.5.2.52 - M V 11 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL, ei_gmr1_missing_mandatory_element); /* 78 Idle Mode Position Update Info. [1] 11.5.2.54 - O TV 3 */ ELEM_OPT_TV(0x78, GMR1_IE_RR, GMR1_IE_RR_POS_UPD_INFO, NULL); /* IAR Rest Octets [1] 11.5.2.17 - M V 3..6 */ /* FIXME */ GMR1_MSG_FUNC_END } /* [3] 10.1.18.3 - Immediate Assignment Type 2 */ GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_2) { GMR1_MSG_FUNC_BEGIN /* USF [3] 11.5.2.110 - M V 3 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_USF, NULL, ei_gmr1_missing_mandatory_element); /* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL, ei_gmr1_missing_mandatory_element); /* TLLI [5] 12.16 - M V 4 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL, ei_gmr1_missing_mandatory_element); /* Timing Offset [1] 11.5.2.40 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL, ei_gmr1_missing_mandatory_element); /* Frequency Offset [1] 11.5.2.49 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL, ei_gmr1_missing_mandatory_element); /* Packet Imm. Ass. Type 2 Params. [3] 11.5.2.107 - M V 5 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_2_PRM, NULL, ei_gmr1_missing_mandatory_element); /* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL, ei_gmr1_missing_mandatory_element); /* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL, ei_gmr1_missing_mandatory_element); GMR1_MSG_FUNC_END } /* [3] 10.1.18.4 - Immediate Assignment Type 3 */ GMR1_MSG_FUNC(gmr1_rr_msg_imm_ass_3) { GMR1_MSG_FUNC_BEGIN /* Page Mode [1] 11.5.2.26 - M V 1/2 */ /* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */ ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE, GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE, ei_gmr1_missing_mandatory_element); /* Persistence Level [3] 10.1.18.4.2 - M V 2 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PERSISTENCE_LVL, NULL, ei_gmr1_missing_mandatory_element); /* Timing Advance Index [3] 10.1.18.3.4 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TIMING_ADV_IDX, NULL, ei_gmr1_missing_mandatory_element); /* TLLI [5] 12.16 - M V 4 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TLLI, NULL, ei_gmr1_missing_mandatory_element); /* Packet Imm. Ass. Type 3 Params [3] 11.5.2.105 - M V 3 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_IMM_ASS_3_PRM, NULL, ei_gmr1_missing_mandatory_element); /* Packet Frequency Parameters [3] 11.5.2.106 - M V 3 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_FREQ_PRM, NULL, ei_gmr1_missing_mandatory_element); /* Packet Power Control Parameters [3] 10.1.18.3.3 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PKT_PWR_CTRL_PRM, NULL, ei_gmr1_missing_mandatory_element); /* P1 Rest Octets [1] 11.5.2.23 - M V 6 */ /* FIXME */ GMR1_MSG_FUNC_END } /* [3] 10.1.9 - Ciphering Mode Command */ GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_cmd) { GMR1_MSG_FUNC_BEGIN /* Cipher Mode Setting [4] 10.5.2.9 - M V 1/2 */ /* Cipher Response [4] 10.5.2.10 - M V 1/2 */ ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING, GMR1_IE_RR, GMR1_IE_RR_CIPH_RESP, ei_gmr1_missing_mandatory_element); /* 75 Position Display [1] 11.5.2.52 - O TV 12 */ ELEM_OPT_TV(0x75, GMR1_IE_RR, GMR1_IE_RR_POS_DISPLAY, NULL); GMR1_MSG_FUNC_END } /* [1] 10.1.10 - Ciphering Mode Complete */ GMR1_MSG_FUNC(gmr1_rr_msg_ciph_mode_complete) { GMR1_MSG_FUNC_BEGIN /* 17 Mobile Identity [1] 11.5.1.4 - O TLV 3-11 */ ELEM_OPT_TLV(0x17, GSM_A_PDU_TYPE_COMMON, DE_MID, NULL); /* 76 GPS Timestamp [1] 11.5.2.57 - O TV 3 */ ELEM_OPT_TV(0x76, GMR1_IE_RR, GMR1_IE_RR_GPS_TIMESTAMP, NULL); GMR1_MSG_FUNC_END } /* [1] 10.1.2.1 - Assignment Command 1 */ GMR1_MSG_FUNC(gmr1_rr_msg_ass_cmd_1) { GMR1_MSG_FUNC_BEGIN /* Channel Description [1] 11.5.2.5 - M V 4 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL, ei_gmr1_missing_mandatory_element); /* 7D Timing Offset [1] 11.5.2.40 - O TV 3 */ ELEM_OPT_TV(0x7D, GMR1_IE_RR, GMR1_IE_RR_TIMING_OFS, NULL); /* 7F Frequency Offset [1] 11.5.2.49 - O TV 3 */ ELEM_OPT_TV(0x7F, GMR1_IE_RR, GMR1_IE_RR_FREQ_OFS, NULL); /* 63 Channel Mode [1] 11.5.2.6 - O TV 2 */ ELEM_OPT_TV(0x63, GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL); /* 71 Power Control Parameters [1] 11.5.2.60 - O TV 6 */ ELEM_OPT_TV(0x71, GMR1_IE_RR, GMR1_IE_RR_PWR_CTRL_PRM, NULL); /* 9- Cipher Mode Setting [4] 10.5.2.9 - O TV 1 */ ELEM_OPT_TV_SHORT(0x90, GMR1_IE_RR, GMR1_IE_RR_CIPH_MODE_SETTING, NULL); GMR1_MSG_FUNC_END } /* [1] 10.1.7 - Channel Release */ GMR1_MSG_FUNC(gmr1_rr_msg_chan_release) { GMR1_MSG_FUNC_BEGIN /* RR Cause [1] 11.5.2.31 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CAUSE, NULL, ei_gmr1_missing_mandatory_element); GMR1_MSG_FUNC_END } /* [1] 10.1.24 - Paging Request Type 3 */ GMR1_MSG_FUNC(gmr1_rr_msg_pag_req_3) { uint8_t tam; GMR1_MSG_FUNC_BEGIN /* Page Mode [1] 11.5.2.26 - M V 1/2 */ /* TMSI Availability Mask [1] 11.5.2.62 - M V 1/2 */ tam = (tvb_get_uint8(tvb, curr_offset) & 0xf0) >> 4; ELEM_MAND_VV_SHORT(GMR1_IE_RR, GMR1_IE_RR_PAGE_MODE, GMR1_IE_RR, GMR1_IE_RR_TMSI_AVAIL_MSK, ei_gmr1_missing_mandatory_element); /* Mobile Identity 1 (TMSI) [4] 10.5.2.42 - C V 4 */ if (tam & 0x01) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 1", ei_gmr1_missing_mandatory_element); } /* GPS Almanac Data 1 [1] 11.5.2.63 - C V 5 */ if (!(tam & 0x01)) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 1", ei_gmr1_missing_mandatory_element); } /* Mobile Identity 2 (TMSI) [4] 10.5.2.42 - C V 4 */ if (tam & 0x02) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 2", ei_gmr1_missing_mandatory_element); } /* GPS Almanac Data 2 [1] 11.5.2.63 - C V 5 */ if (!(tam & 0x02)) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 2", ei_gmr1_missing_mandatory_element); } /* Mobile Identity 3 (TMSI) [4] 10.5.2.42 - C V 4 */ if (tam & 0x04) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 3", ei_gmr1_missing_mandatory_element); } /* GPS Almanac Data 3 [1] 11.5.2.63 - C V 5 */ if (!(tam & 0x04)) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 3", ei_gmr1_missing_mandatory_element); } /* Mobile Identity 4 (TMSI) [4] 10.5.2.42 - C V 4 */ if (tam & 0x08) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_TMSI_PTMSI, " - 4", ei_gmr1_missing_mandatory_element); } /* GPS Almanac Data 4 [1] 11.5.2.63 - C V 5 */ if (!(tam & 0x08)) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_GPS_ALMANAC, " - 4", ei_gmr1_missing_mandatory_element); } /* Paging Information 1 [1] 11.5.2.51 - C V 1 */ if (tam & 0x01) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 1", ei_gmr1_missing_mandatory_element); } /* Paging Information 2 [1] 11.5.2.51 - C V 1 */ if (tam & 0x02) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 2", ei_gmr1_missing_mandatory_element); } /* Paging Information 3 [1] 11.5.2.51 - C V 1 */ if (tam & 0x04) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 3", ei_gmr1_missing_mandatory_element); } /* Paging Information 4 [1] 11.5.2.51 - C V 1 */ if (tam & 0x08) { ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_PAGE_INFO, " - 4", ei_gmr1_missing_mandatory_element); } GMR1_MSG_FUNC_END } /* [1] 10.1.25 - Paging Response */ GMR1_MSG_FUNC(gmr1_rr_msg_pag_resp) { GMR1_MSG_FUNC_BEGIN /* Ciphering Key Sequence Number [4] 10.5.1.2 - M V 1/2 */ /* Spare Half Octet [1] 11.5.1.8 - M V 1/2 */ ELEM_MAND_VV_SHORT(GSM_A_PDU_TYPE_COMMON, DE_CIPH_KEY_SEQ_NUM, GMR1_IE_COMMON, GMR1_IE_COM_SPARE_NIBBLE, ei_gmr1_missing_mandatory_element); /* Mobile Earth Station Classmark 2 [1] 11.5.1.6 - M L V 4 */ ELEM_MAND_LV(GMR1_IE_COMMON, GMR1_IE_COM_CM2, NULL, ei_gmr1_missing_mandatory_element); /* Mobile Identity [4] 10.5.1.4 - M L V 2-9 */ ELEM_MAND_LV(GSM_A_PDU_TYPE_COMMON, DE_MID, NULL, ei_gmr1_missing_mandatory_element); GMR1_MSG_FUNC_END } /* [1] 10.1.5 - Channel Mode Modify */ GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_modify) { GMR1_MSG_FUNC_BEGIN /* Channel Description [1] 11.5.2.5 - M V 4 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL, ei_gmr1_missing_mandatory_element); /* Channel Mode [1] 11.5.2.6 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL, ei_gmr1_missing_mandatory_element); GMR1_MSG_FUNC_END } /* [1] 10.1.6 - Channel Mode Modify Acknowledge */ GMR1_MSG_FUNC(gmr1_rr_msg_chan_mode_mod_ack) { GMR1_MSG_FUNC_BEGIN /* Channel Description [1] 11.5.2.5 - M V 4 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_DESC, NULL, ei_gmr1_missing_mandatory_element); /* Channel Mode [1] 11.5.2.6 - M V 1 */ ELEM_MAND_V(GMR1_IE_RR, GMR1_IE_RR_CHAN_MODE, NULL, ei_gmr1_missing_mandatory_element); GMR1_MSG_FUNC_END } /* See [3] 11.4.1 - Table 11.1 */ static const value_string gmr1_msg_rr_strings[] = { /* Channel establishment messages */ { 0x3f, "Immediate Assignment" }, { 0x3a, "Immediate Assignment Reject Type 1" }, { 0x3b, "Immediate Assignment Reject Type 2" }, /* * XXX - [3] 11.4.1 - Table 11.1 ([3] is ETSI TS 101 376-4-8 * V3.1.1, which is GMR-1 3G 44.008) has 0x3e meaning both * "Extended Immediate Assignment" and "Immediate Assignment Type 2" * and has 0x3b meaning both "Immediate Asignment Reject Type 2" * and "Extended Imm. Assignment Reject". * * [3] makes some references to [1] ([1] is ETSI TS 101 376-4-8 * V1.3.1, which is GMR-1 04.008, not to be confused with GMR-1 * 3G 44.008), saying some messages are the same as in GMR-1 * 04.008. [1]: * * says, in 10.1.18.2, that "Extended immediate assignment" * "is sent on the main signalling link by the network to * the MES in response to an EXTENDED CHANNEL REQUEST message * by the MES"; * * says, in 10.1.20.2, that "Immediate assignment reject type 2" * "may be sent to the MES by the network on the CCCH to indicate * that no channel is available for assignment or that the MES * cannot be allowed access"; * * says, in 10.1.20.3, that "Extended immediate assignment * reject" "message is sent by the network on the DCCH to * indicate that no channel is available for assignment or * that the MES cannot be allowed access"; * * does not mention "Immediate assignment type 2" anywhere * that I can see. * * [3]: * * says, in 10.1.18.2, that "Extended immediate assignment * (A/Gb mode only)" is "Same as clause 10.1.18.2 of * GMR-1 04.008"; * * says, in 10.1.18.3, that "Intermediate assignment Type * 2 (A/Gb mode only)" "is sent on the CCCH by the network * to the MES to change the channel configuration to a * dedicated configuration while staying in the same cell"; * * says, in 10.1.20.2, that "Immediate assignment reject * type 2" is "Same as clause 10.1.20.2 of GMR-1 04.008"; * * says, in 10.1.20.3, that "Extended immediate assignment * reject" is "Same as clause 10.1.20.3 of GMR-1 04.008". * * This is currently handled by ORing 0x100 into the values * for the DCCH, and, in gmr1_get_msg_rr_params(), if the dcch * parameter is set (which it is if called from gmr1_get_msg_params() * in packet-gmr1_common.c), 0x100 is ORed into the value * passed to try_val_to_str_idx(). If that returns NULL, or * isn't called in the first placee, it calls try_val_to_str_idx() * without ORing in 0x100. * * So that's why a 1-byte field has, in a value_string used with * it, two values that don't fit into 1 byte. * * It Would Be Nice if this could be done in a somewhat less * hackish and opaque fashion. */ { 0x13e, "Extended Immediate Assignment" }, { 0x13b, "Extended Imm. Assignment Reject" }, { 0x39, "Position Verification Notify" }, { 0x3c, "Immediate Assignment Reject Type 3" }, { 0x3e, "Immediate Assignment Type 2" }, { 0x3d, "Immediate Assignment Type 3" }, /* Ciphering messages */ { 0x35, "Ciphering Mode Command" }, { 0x32, "Ciphering Mode Complete" }, /* Channel assignment/handover messages */ { 0x2e, "Assignment Command 1" }, { 0x2a, "Assignment Command 2" }, { 0x29, "Assignment Complete" }, { 0x2f, "Assignment Failure" }, { 0x2b, "Handover Command" }, { 0x2c, "Handover Complete" }, /* Channel release messages */ { 0x0d, "Channel Release" }, { 0x0e, "TtT Signalling Link Failure" }, /* Paging messages */ { 0x21, "Paging Request Type 1" }, { 0x22, "Paging Request Type 2" }, { 0x24, "Paging Request Type 3" }, { 0x27, "Paging Response" }, /* Miscellaneous messages */ { 0x10, "Channel Mode Modify" }, { 0x12, "RR Status" }, { 0x17, "Channel Mode Modify Acknowledge" }, { 0x16, "Classmark Change" }, { 0x13, "Classmark Enquiry" }, { 0x14, "Position Update Request" }, { 0x15, "Position Update Accept" }, { 0x11, "Link Correction Message" }, { 0x01, "Power Control Parameters Update" }, { 0x02, "Guard Time Violation" }, { 0x04, "Extended Channel Request" }, /* Status and Diagnostic Messages */ { 0x40, "Information Request" }, { 0x41, "Information Response Position" }, { 0x42, "Information Response Version" }, { 0x43, "Information Response Spot Beam Selection" }, { 0x44, "Information Response Power Control" }, { 0x45, "Information Response Vendor Specific" }, { 0x46, "Information Response Current Beam" }, { 0x4f, "Information Response Error" }, /* End */ { 0, NULL } }; #define NUM_GMR1_MSG_RR array_length(gmr1_msg_rr_strings) static int ett_msg_rr[NUM_GMR1_MSG_RR]; /* same order as gmr1_msg_rr_strings */ static const gmr1_msg_func_t gmr1_msg_rr_func[NUM_GMR1_MSG_RR] = { /* Channel establishment messages */ gmr1_rr_msg_imm_ass, /* Imm. Ass.*/ gmr1_rr_msg_imm_ass_rej_1, /* Imm. Ass. Reject Type 1 */ NULL, /* Imm. Ass. Reject Type 2 */ NULL, /* Extended Imm. Ass. */ NULL, /* Extended Imm. Ass. Reject */ gmr1_rr_msg_pos_verif_notify, /* Position Verification Notify */ NULL, /* Imm. Ass. Reject Type 3 */ gmr1_rr_msg_imm_ass_2, /* Imm. Ass. Type 2 */ gmr1_rr_msg_imm_ass_3, /* Imm. Ass. Type 3 */ /* Ciphering messages */ gmr1_rr_msg_ciph_mode_cmd, /* Ciphering Mode Command */ gmr1_rr_msg_ciph_mode_complete, /* Ciphering Mode Complete */ /* Channel assignment/handover messages */ gmr1_rr_msg_ass_cmd_1, /* Assignment Command 1 */ NULL, /* Assignment Command 2 */ NULL, /* Assignment Complete */ NULL, /* Assignment Failure */ NULL, /* Handover Command */ NULL, /* Handover Complete */ /* Channel release messages */ gmr1_rr_msg_chan_release, /* Channel Release */ NULL, /* TtT Signalling Link Failure */ /* Paging messages */ NULL, /* Paging Request Type 1 */ NULL, /* Paging Request Type 2 */ gmr1_rr_msg_pag_req_3, /* Paging Request Type 3 */ gmr1_rr_msg_pag_resp, /* Paging Response */ /* Miscellaneous messages */ gmr1_rr_msg_chan_mode_modify, /* Channel Mode Modify */ NULL, /* RR Status */ gmr1_rr_msg_chan_mode_mod_ack, /* Channel Mode Modify Acknowledge */ NULL, /* Classmark Change */ NULL, /* Classmark Enquiry */ NULL, /* Position Update Request */ NULL, /* Position Update Accept */ NULL, /* Link Correction Message */ NULL, /* Power Control Parameters Update */ NULL, /* Guard Time Violation */ NULL, /* Extended Channel Request */ /* Status and Diagnostic Messages */ NULL, /* Info. Req. */ NULL, /* Info. Resp. Position */ NULL, /* Info. Resp. Version */ NULL, /* Info. Resp. Spot Beam Selection */ NULL, /* Info. Resp. Power Control */ NULL, /* Info. Resp. Vendor Specific */ NULL, /* Info. Resp. Current Beam */ NULL, /* Info. Resp. Error */ NULL, }; void gmr1_get_msg_rr_params(uint8_t oct, int dcch, const char **msg_str, int *ett_tree, int *hf_idx, gmr1_msg_func_t *msg_func_p) { const char *m = NULL; int idx; /* * See the large comment in gmr1_msg_rr_strings[] for an * explanation of why we're doing this. */ if (dcch) m = try_val_to_str_idx((uint32_t)oct | 0x100, gmr1_msg_rr_strings, &idx); if (!m) m = try_val_to_str_idx((uint32_t)oct, gmr1_msg_rr_strings, &idx); *msg_str = m; *hf_idx = hf_rr_msg_type; if (m != NULL) { *ett_tree = ett_msg_rr[idx]; *msg_func_p = gmr1_msg_rr_func[idx]; } else { *ett_tree = -1; *msg_func_p = NULL; } } /* ------------------------------------------------------------------------ */ /* Dissector code */ /* ------------------------------------------------------------------------ */ static int dissect_gmr1_ccch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { uint32_t len, offset; gmr1_msg_func_t msg_func; const char *msg_str; int ett_tree; int hf_idx; proto_item *ccch_item = NULL, *pd_item = NULL; proto_tree *ccch_tree = NULL, *pd_tree = NULL; uint32_t oct[3]; uint8_t pd; int ti = -1; /* Scan init */ len = tvb_reported_length(tvb); offset = 0; /* Safety */ if (len < 3) { /* Can't be a CCCH */ goto err; } col_append_str(pinfo->cinfo, COL_INFO, "(CCCH) "); /* First octet with pseudo len */ oct[0] = tvb_get_uint8(tvb, offset++); /* Check protocol descriptor */ oct[1] = tvb_get_uint8(tvb, offset++); if ((oct[1] & GMR1_PD_EXT_MSK) == GMR1_PD_EXT_VAL) pd = oct[1] & 0xff; else pd = oct[1] & 0x0f; col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ", val_to_str(pd, gmr1_pd_short_vals, "Unknown (%u)")); if (pd != GMR1_PD_RR) goto err; /* CCCH is only RR */ /* Get message parameters */ oct[2] = tvb_get_uint8(tvb, offset); gmr1_get_msg_rr_params(oct[2], 0, &msg_str, &ett_tree, &hf_idx, &msg_func); /* Create protocol tree */ if (msg_str == NULL) { ccch_item = proto_tree_add_protocol_format( tree, proto_gmr1_ccch, tvb, 0, len, "GMR-1 CCCH - Message Type (0x%02x)", oct[2]); ccch_tree = proto_item_add_subtree(ccch_item, ett_msg_ccch); col_append_fstr(pinfo->cinfo, COL_INFO, "Message Type (0x%02x) ", oct[2]); } else { ccch_item = proto_tree_add_protocol_format( tree, proto_gmr1_ccch, tvb, 0, -1, "GMR-1 CCCH - %s", msg_str); ccch_tree = proto_item_add_subtree(ccch_item, ett_tree); col_append_fstr(pinfo->cinfo, COL_INFO, "%s ", msg_str); } /* Start over */ offset = 0; /* L2 Pseudo Length - [1] 11.5.2.19 */ offset += elem_v(tvb, ccch_tree, pinfo, GMR1_IE_RR, GMR1_IE_RR_L2_PSEUDO_LEN, offset, NULL); /* Protocol discriminator item */ pd_item = proto_tree_add_uint( ccch_tree, hf_rr_protocol_discriminator, tvb, 1, 1, pd); pd_tree = proto_item_add_subtree(pd_item, ett_rr_pd); /* Skip indicator / Transaction indicator */ if (ti == -1) { proto_tree_add_item(pd_tree, hf_gmr1_skip_ind, tvb, 1, 1, ENC_BIG_ENDIAN); } else { /* FIXME !!! */ } /* Protocol discriminator value */ proto_tree_add_item(pd_tree, hf_gmr1_l3_pd, tvb, 1, 1, ENC_BIG_ENDIAN); /* Move on */ offset++; /* Message type - [1] 11.4 */ proto_tree_add_uint_format( ccch_tree, hf_idx, tvb, offset, 1, oct[2], "Message Type: %s", msg_str ? msg_str : "(Unknown)" ); offset++; /* Decode elements */ if (msg_func) { (*msg_func)(tvb, ccch_tree, pinfo, offset, len - offset); } else { proto_tree_add_item(ccch_tree, hf_rr_message_elements, tvb, offset, len - offset, ENC_NA); } /* Error handling */ err: call_data_dissector(tvb, pinfo, tree); return tvb_captured_length(tvb); } void proto_register_gmr1_rr(void) { static hf_register_info hf[] = { { &hf_rr_msg_type, { "Radio Resources Management Message Type", "gmr1.rr.msg_type", FT_UINT8, BASE_HEX, VALS(gmr1_msg_rr_strings), 0x00, NULL, HFILL } /* FIXME handle CCCH/DCCH conflicts */ }, { &hf_rr_chan_desc_kab_loc, { "KAB Location", "gmr1.rr.chan_desc.kab_loc", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_chan_desc_rx_tn, { "RX Timeslot", "gmr1.rr.chan_desc.rx_tn", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_chan_desc_arfcn, { "ARFCN", "gmr1.rr.chan_desc.arfcn", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_chan_desc_tx_tn, { "TX Timeslot", "gmr1.rr.chan_desc.tx_tn", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_chan_desc_chan_type, { "Channel Type", "gmr1.rr.chan_desc.chan_type", FT_UINT8, BASE_DEC, VALS(rr_chan_desc_chan_type_vals), 0x00, NULL, HFILL } }, { &hf_rr_chan_mode, { "Channel Mode", "gmr1.rr.chan_mode", FT_UINT8, BASE_DEC, VALS(rr_chan_mode_vals), 0x00, NULL, HFILL } }, { &hf_rr_ciph_mode_setting_sc, { "SC", "gmr1.rr.ciph_mode_setting.sc", FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_sc_vals), 0x01, NULL, HFILL } }, { &hf_rr_ciph_mode_setting_algo, { "Algorithm", "gmr1.rr.ciph_mode_setting.algo", FT_UINT8, BASE_DEC, VALS(rr_ciph_mode_setting_algo_vals), 0x0e, NULL, HFILL } }, { &hf_rr_ciph_resp_cr, { "CR", "gmr1.rr.ciph_resp.cr", FT_UINT8, BASE_DEC, VALS(rr_ciph_resp_cr_vals), 0x10, NULL, HFILL } }, { &hf_rr_ciph_resp_spare, { "Spare", "gmr1.rr.ciph_resp.spare", FT_UINT8, BASE_DEC, NULL, 0xe0, NULL, HFILL } }, { &hf_rr_l2_pseudo_len, { "L2 Pseudo Length value", "gmr1.rr.l2_pseudo_len", FT_UINT8, BASE_DEC, NULL, 0xfc, NULL, HFILL } }, { &hf_rr_page_mode, { "Page Mode", "gmr1.rr.page_mode.mode", FT_UINT8, BASE_DEC, VALS(rr_page_mode_vals), 0x03, NULL, HFILL } }, { &hf_rr_page_mode_spare, { "Spare", "gmr1.rr.page_mode.spare", FT_UINT8, BASE_DEC, NULL, 0x0c, NULL, HFILL } }, { &hf_rr_req_ref_est_cause, { "Establishment cause group ID", "gmr1.rr.req_ref.est_cause", FT_UINT8, BASE_DEC, VALS(rr_req_ref_est_cause_vals), 0xe0, NULL, HFILL } }, { &hf_rr_req_ref_ra, { "Random Access Information", "gmr1.rr.req_ref.ra", FT_UINT8, BASE_HEX, NULL, 0x1f, NULL, HFILL } }, { &hf_rr_req_ref_fn, { "Frame Number mod 256", "gmr1.rr.req_ref.fn", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_cause, { "RR Cause", "gmr1.rr.cause", FT_UINT8, BASE_DEC, VALS(rr_cause_vals), 0x00, NULL, HFILL } }, { &hf_rr_timing_ofs_ti, { "TI", "gmr1.rr.timing_offset.ti", FT_UINT8, BASE_DEC, VALS(rr_timing_ofs_ti_vals), 0x00, NULL, HFILL } }, { &hf_rr_timing_ofs_value, { "Timing Offset value", "gmr1.rr.timing_offset.value", FT_INT16, BASE_CUSTOM, CF_FUNC(rr_timing_ofs_value_fmt), 0x00, NULL, HFILL } }, { &hf_rr_tmsi_ptmsi, { "TMSI/P-TMSI Value","gmr1.rr.tmsi_ptmsi", FT_UINT32,BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_rr_wait_ind_timeout, { "T3122/T3142 timeout", "gmr1.rr.wait_ind.timeout", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_gen_ie_seconds_fmt), 0x00, NULL, HFILL } }, { &hf_rr_mif_mes1_ab, { "MES1 - Assignment Type", "gmr1.rr.mes_info_flag.1.ab", FT_UINT8, BASE_DEC, VALS(rr_mif_mes1_ab_vals), 0x03, NULL, HFILL } }, { &hf_rr_mif_mes1_i, { "MES1 - Idle mode position update", "gmr1.rr.mes_info_flag.1.i", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x04, NULL, HFILL } }, { &hf_rr_mif_mes1_d, { "MES1 - Dedicated mode position update", "gmr1.rr.mes_info_flag.1.d", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x08, NULL, HFILL } }, { &hf_rr_mif_mes2, { "MES2", "gmr1.rr.mes_info_flag.2", FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x10, NULL, HFILL } }, { &hf_rr_mif_mes3, { "MES3", "gmr1.rr.mes_info_flag.3", FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x20, NULL, HFILL } }, { &hf_rr_mif_mes4, { "MES4", "gmr1.rr.mes_info_flag.4", FT_UINT8, BASE_DEC, VALS(rr_mif_mes234_vals), 0x40, NULL, HFILL } }, { &hf_rr_mif_pv, { "Position Verification indicator", "gmr1.rr.mes_info_flag.pv", FT_UINT8, BASE_DEC, VALS(rr_mif_pv_vals), 0x80, NULL, HFILL } }, { &hf_rr_freq_ofs_fi, { "FI", "gmr1.rr.frequency_offset.fi", FT_UINT8, BASE_DEC, VALS(rr_freq_ofs_fi_vals), 0x00, NULL, HFILL } }, { &hf_rr_freq_ofs_value, { "Frequency Offset value", "gmr1.rr.frequency_offset.value", FT_INT16, BASE_CUSTOM, CF_FUNC(rr_freq_ofs_value_fmt), 0x00, NULL, HFILL } }, { &hf_rr_freq_ofs_spare, { "Spare", "gmr1.rr.frequency_offset.spare", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_page_info_msc_id, { "MSC ID", "gmr1.rr.paging_info.msc_id", FT_UINT8, BASE_DEC, NULL, 0xfc, NULL, HFILL } }, { &hf_rr_page_info_chan_needed, { "Channel Needed", "gmr1.rr.paging_info.chan_needed", FT_UINT8, BASE_DEC, VALS(rr_page_info_chan_needed_vals), 0x03, NULL, HFILL } }, { &hf_rr_pos_display_flag, { "Display Information Flag", "gmr1.rr.pos_display.flag", FT_UINT8, BASE_DEC, VALS(rr_pos_display_flag_vals), 0xf0, NULL, HFILL } }, { &hf_rr_pos_display_text, { "Country and Region name", "gmr1.rr.pos_display.text", FT_STRING, BASE_NONE, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pos_upd_info_v, { "Valid", "gmr1.rr.pos_upd_info.valid", FT_UINT8, BASE_DEC, VALS(rr_pos_upd_info_v_vals), 0x01, NULL, HFILL } }, { &hf_rr_pos_upd_info_dist, { "GPS Update Distance", "gmr1.rr.pos_upd_info.distance", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pos_upd_info_dist_fmt), 0xfe, NULL, HFILL } }, { &hf_rr_pos_upd_info_time, { "GPS Update Timer", "gmr1.rr.pos_upd_info.time", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pos_upd_info_time_fmt), 0xff, NULL, HFILL } }, { &hf_rr_bcch_carrier_arfcn, { "ARFCN", "gmr1.rr.bcch_carrier.arfcn", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_bcch_carrier_si, { "Satellite Indication", "gmr1.rr.bcch_carrier.si", FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_si_vals), 0x00, NULL, HFILL } }, { &hf_rr_bcch_carrier_ri, { "Reselection Indication", "gmr1.rr.bcch_carrier.ri", FT_UINT8, BASE_DEC, VALS(rr_bcch_carrier_ri_vals), 0x00, NULL, HFILL } }, { &hf_rr_bcch_carrier_spare, { "Spare", "gmr1.rr.bcch_carrier.spare", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_reject_cause, { "Cause", "gmr1.rr.reject_cause.cause", FT_UINT8, BASE_DEC, VALS(rr_reject_cause_vals), 0xfc, NULL, HFILL } }, { &hf_rr_reject_cause_b, { "BCCH Carrier IE presence", "gmr1.rr.reject_cause.b", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x01, NULL, HFILL } }, { &hf_rr_gps_timestamp, { "GPS timestamp", "gmr1.rr.gps_timestamp", FT_UINT16, BASE_CUSTOM, CF_FUNC(rr_gps_timestamp_fmt), 0xffff, NULL, HFILL } }, { &hf_rr_gps_power_control_params, { "Power Control Parameters", "gmr1.rr.power_control_params", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, { &hf_rr_tmsi_avail_msk_tmsi[0], { "TMSI 1 Presence", "gmr1.rr.tmsi_avail_msk.tmsi1", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x10, NULL, HFILL } }, { &hf_rr_tmsi_avail_msk_tmsi[1], { "TMSI 2 Presence", "gmr1.rr.tmsi_avail_msk.tmsi2", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x20, NULL, HFILL } }, { &hf_rr_tmsi_avail_msk_tmsi[2], { "TMSI 3 Presence", "gmr1.rr.tmsi_avail_msk.tmsi3", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x40, NULL, HFILL } }, { &hf_rr_tmsi_avail_msk_tmsi[3], { "TMSI 4 Presence", "gmr1.rr.tmsi_avail_msk.tmsi4", FT_UINT8, BASE_DEC, VALS(rr_gen_ie_presence_vals), 0x80, NULL, HFILL } }, { &hf_rr_gps_almanac_pn, { "Page Number", "gmr1.rr.gps_almanac.pn", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_gps_almanac_pn_fmt), 0xf8, "See ICD-GPS-200", HFILL } }, { &hf_rr_gps_almanac_wn, { "Word Number", "gmr1.rr.gps_almanac.wn", FT_UINT8, BASE_DEC, NULL, 0x07, "See ICD-GPS-200", HFILL } }, { &hf_rr_gps_almanac_word, { "GPS Almanac Word", "gmr1.rr.gps_almanac.word", FT_UINT24, BASE_HEX, NULL, 0x00, "See ICD-GPS-200", HFILL } }, { &hf_rr_gps_almanac_sfn, { "Sub Frame Number", "gmr1.rr.gps_almanac.sfn", FT_UINT8, BASE_DEC, VALS(rr_gps_almanac_sfn_vals), 0x80, "See ICD-GPS-200", HFILL } }, { &hf_rr_gps_almanac_co, { "CO", "gmr1.rr.gps_almanac.co", FT_UINT8, BASE_DEC, NULL, 0x40, NULL, HFILL } }, { &hf_rr_gps_almanac_spare, { "Spare", "gmr1.rr.gps_almanac.spare", FT_UINT8, BASE_DEC, NULL, 0x3f, NULL, HFILL } }, { &hf_rr_msc_id, { "MSC ID", "gmr1.rr.msc_id", FT_UINT8, BASE_DEC, NULL, 0xfc, NULL, HFILL } }, { &hf_rr_msc_id_spare, { "Spare", "gmr1.rr.msc_id.spare", FT_UINT8, BASE_DEC, NULL, 0x03, NULL, HFILL } }, { &hf_rr_gps_discr, { "GPS Position field CRC-16", "gmr1.rr.gps_discriminator", FT_UINT16, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_3_prm_rlc_mode, { "RLC Mode", "gmr1.rr.pkt_imm_ass_3_prm", FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_3_prm_rlc_mode_vals), 0x01, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_3_prm_spare, { "Spare", "gmr1.rr.pkt_imm_ass_3_prm.spare", FT_UINT8, BASE_DEC, NULL, 0x1e, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_3_prm_dl_tfi, { "Downlink TFI", "gmr1.rr.pkt_imm_ass_3_prm.tfi", FT_UINT8, BASE_HEX, NULL, 0x00, "Temporary Flow Identifier", HFILL } }, { &hf_rr_pkt_imm_ass_3_prm_start_fn, { "Start Framenumber", "gmr1.rr.pkt_imm_ass_3_prm.start_fn", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_3_prm_mac_slot_alloc, { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_3_prm.mac_slot_alloc", FT_UINT8, BASE_HEX, NULL, 0xff, "LSB=slot 0, MSB=slot 7", HFILL } }, { &hf_rr_pkt_freq_prm_arfcn, { "ARFCN", "gmr1.rr.pkt_freq_prm.arfcn", FT_UINT16, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pkt_freq_prm_dl_freq_plan_id, { "Downlink Freq. Plan ID", "gmr1.rr.pkt_freq_prm.dl_freq_plan_id", FT_UINT8, BASE_DEC, VALS(rr_pkt_freq_prm_dl_freq_plan_id_vals), 0x08, NULL, HFILL } }, { &hf_rr_pkt_freq_prm_dl_bw, { "Downlink Bandwidth", "gmr1.rr.pkt_freq_prm.dl_bw", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_freq_prm_xx_bw_fmt), 0x70, NULL, HFILL } }, { &hf_rr_pkt_freq_prm_ul_freq_dist, { "Uplink Freq. Distance", "gmr1.rr.pkt_freq_prm.ul_freq_dist", FT_INT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pkt_freq_prm_ul_bw, { "Uplink Bandwidth", "gmr1.rr.pkt_freq_prm.ul_bw", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_freq_prm_xx_bw_fmt), 0x70, NULL, HFILL } }, { &hf_rr_pkt_freq_prm_spare, { "Spare", "gmr1.rr.pkt_freq_prm.spare", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_spare1, { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare1", FT_UINT8, BASE_DEC, NULL, 0x01, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_final_alloc, { "Final Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.final_alloc", FT_UINT8, BASE_DEC, NULL, 0x02, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_usf_granularity, { "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity", FT_UINT8, BASE_DEC, NULL, 0x04, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_dl_ctl_mac_slot, { "Downlink Control MAC-slot", "gmr1.rr.pkt_imm_ass_2_prm.ac.dl_ctl_mac_slot", FT_UINT8, BASE_DEC, NULL, 0x38, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_mac_mode, { "MAC mode", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_mode", FT_UINT8, BASE_DEC, VALS(rr_pkt_imm_ass_2_prm_ac_mac_mode_vals), 0xc0, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_start_fn, { "Starting Frame Number", "gmr1.rr.pkt_imm_ass_2_prm.ac.start_fn", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_rlc_dblk_gnt, { "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.ac.rlc_dblk_gnt", FT_UINT8, BASE_DEC, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_mcs, { "MCS", "gmr1.rr.pkt_imm_ass_2_prm.ac.mcs", FT_UINT8, BASE_DEC, NULL, 0xf8, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_tfi, { "TFI", "gmr1.rr.pkt_imm_ass_2_prm.ac.tfi", FT_UINT8, BASE_HEX, NULL, 0x7f, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_spare2, { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.ac.spare2", FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_ac_mac_slot_alloc, { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.ac.mac_slot_alloc", FT_UINT8, BASE_HEX, NULL, 0xff, "LSB=slot 0, MSB=slot 7", HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd, { "Channel MCS Command", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd", FT_UINT8, BASE_HEX, NULL, 0x0f, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_chan_mcs_cmd_pnb512, { "Channel MCS Command PNB 5,12", "gmr1.rr.pkt_imm_ass_2_prm.d.chan_mcs_cmd_pnb512", FT_UINT8, BASE_HEX, NULL, 0xf0, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_spare1, { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare1", FT_UINT8, BASE_HEX, NULL, 0xff, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_rlc_dblk_gnt, { "RLC Data Blocks Granted", "gmr1.rr.pkt_imm_ass_2_prm.d.rlc_dblk_gnt", FT_UINT8, BASE_DEC, NULL, 0x7f, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_spare2, { "Spare", "gmr1.rr.pkt_imm_ass_2_prm.d.spare2", FT_UINT8, BASE_HEX, NULL, 0x80, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_tfi, { "TFI", "gmr1.rr.pkt_imm_ass_2_prm.d.tfi", FT_UINT8, BASE_HEX, NULL, 0x7f, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_usf_granularity, { "USF Granularity", "gmr1.rr.pkt_imm_ass_2_prm.ac.usf_granularity", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_rr_pkt_imm_ass_2_prm_d_mac_slot_alloc, { "MAC-slot Allocation", "gmr1.rr.pkt_imm_ass_2_prm.d.mac_slot_alloc", FT_UINT8, BASE_HEX, NULL, 0xff, "LSB=slot 0, MSB=slot 7", HFILL } }, { &hf_rr_usf_value, { "Uplink state flag (USF)", "gmr1.rr.usf.value", FT_UINT8, BASE_HEX, NULL, 0x3f, NULL, HFILL } }, { &hf_rr_usf_spare, { "Spare", "gmr1.rr.usf.spare", FT_UINT24, BASE_DEC, NULL, 0xffffc0, NULL, HFILL } }, { &hf_rr_timing_adv_idx_value, { "TAI Value", "gmr1.rr.timing_adv_idx.tai", FT_UINT8, BASE_DEC, NULL, 0x7f, NULL, HFILL } }, { &hf_rr_timing_adv_idx_spare, { "Spare", "gmr1.rr.timing_adv_idx.spare", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_rr_tlli, { "TLLI", "gmr1.rr.tlli", FT_UINT32, BASE_HEX, NULL, 0x00, NULL, HFILL } }, { &hf_rr_pkt_pwr_ctrl_prm_par, { "Power Attenuation Request (PAR)", "gmr1.rr.pkt_pwr_ctrl_prm.par", FT_UINT8, BASE_CUSTOM, CF_FUNC(rr_pkt_pwr_ctrl_prm_par_fmt), 0x3f, NULL, HFILL } }, { &hf_rr_pkt_pwr_ctrl_prm_spare, { "Spare", "gmr1.rr.pkt_pwr_ctrl_prm.spare", FT_UINT8, BASE_DEC, NULL, 0xc0, NULL, HFILL } }, { &hf_rr_persistence_lvl[0], { "for Radio priority 1", "gmr1.rr.persistence_lvl.p1", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_rr_persistence_lvl[1], { "for Radio priority 2", "gmr1.rr.persistence_lvl.p2", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_rr_persistence_lvl[2], { "for Radio priority 3", "gmr1.rr.persistence_lvl.p3", FT_UINT8, BASE_DEC, NULL, 0xf0, NULL, HFILL } }, { &hf_rr_persistence_lvl[3], { "for Radio priority 4", "gmr1.rr.persistence_lvl.p4", FT_UINT8, BASE_DEC, NULL, 0x0f, NULL, HFILL } }, { &hf_rr_protocol_discriminator, { "Protocol Discriminator", "gmr1.rr.protocol_discriminator", FT_UINT8, BASE_DEC, VALS(gmr1_pd_vals), 0x0, NULL, HFILL } }, { &hf_rr_message_elements, { "Message elements", "gmr1.rr.message_elements", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL } }, }; static ei_register_info ei[] = { { &ei_gmr1_missing_mandatory_element, { "gmr1.rr.missing_mandatory_element", PI_PROTOCOL, PI_ERROR, "Missing Mandatory element, rest of dissection is suspect", EXPFILL }}, }; expert_module_t* expert_gmr1_rr; #define NUM_INDIVIDUAL_ELEMS 2 static int *ett[NUM_INDIVIDUAL_ELEMS + NUM_GMR1_IE_RR + NUM_GMR1_MSG_RR]; unsigned int last_offset, i; /* Setup protocol subtree array */ ett[0] = &ett_msg_ccch; ett[1] = &ett_rr_pd; last_offset = NUM_INDIVIDUAL_ELEMS; for (i=0; i