diff options
| -rw-r--r-- | epan/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | epan/dissectors/Makefile.common | 1 | ||||
| -rw-r--r-- | epan/dissectors/packet-gmr1_bcch.c | 1401 |
3 files changed, 1403 insertions, 0 deletions
diff --git a/epan/CMakeLists.txt b/epan/CMakeLists.txt index ac8f573450..10f456cd58 100644 --- a/epan/CMakeLists.txt +++ b/epan/CMakeLists.txt @@ -602,6 +602,7 @@ set(DISSECTOR_SRC dissectors/packet-glbp.c dissectors/packet-gmhdr.c dissectors/packet-gmrp.c + dissectors/packet-gmr1_bcch.c dissectors/packet-gnutella.c dissectors/packet-gopher.c dissectors/packet-gpef.c diff --git a/epan/dissectors/Makefile.common b/epan/dissectors/Makefile.common index 23710395e8..3a51ca42cd 100644 --- a/epan/dissectors/Makefile.common +++ b/epan/dissectors/Makefile.common @@ -520,6 +520,7 @@ DISSECTOR_SRC = \ packet-glbp.c \ packet-gmhdr.c \ packet-gmrp.c \ + packet-gmr1_bcch.c \ packet-gnutella.c \ packet-gopher.c \ packet-gpef.c \ diff --git a/epan/dissectors/packet-gmr1_bcch.c b/epan/dissectors/packet-gmr1_bcch.c new file mode 100644 index 0000000000..70aa1bc5e1 --- /dev/null +++ b/epan/dissectors/packet-gmr1_bcch.c @@ -0,0 +1,1401 @@ +/* packet-gmr1.bcch.c + * + * Routines for GMR-1 BCCH dissection in wireshark. + * Copyright (c) 2011 Sylvain Munaut <tnt@246tNt.com> + * + * 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 + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 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. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <glib.h> +#include <epan/packet.h> + +#include "packet-csn1.h" + + +/* GMR-1 BCCH proto */ +static int proto_gmr1_bcch = -1; + +/* GMR-1 BCCH sub tree */ +static gint ett_gmr1_bcch = -1; + +/* Handoffs */ +static dissector_handle_t data_handle; + + + +/* ------------------------------------------------------------------------ */ +/* CSN1 fields */ +/* ------------------------------------------------------------------------ */ + +/* Segment 1A fields - [3] 11.5.2.66 */ +static int hf_seg1a_class_2_version = -1; +static int hf_seg1a_class_3_version = -1; + +static int hf_seg1a_syncinfo_sb_frame_ts_offset = -1; +static int hf_seg1a_syncinfo_sb_symbol_offset = -1; +static int hf_seg1a_syncinfo_sa_freq_offset = -1; + +static int hf_seg1a_rachctrl_max_retrans = -1; +static int hf_seg1a_rachctrl_acc[16] = { -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1, -1, -1 }; +static int hf_seg1a_rachctrl_cell_bar_access = -1; + +static int hf_seg1a_miscinfo_sb_reselection_hysteresis = -1; +static int hf_seg1a_miscinfo_spare = -1; +static int hf_seg1a_miscinfo_priority_access_ind = -1; + +static int hf_seg1a_gbch_present = -1; +static int hf_seg1a_test_gs = -1; +static int hf_seg1a_test_gs2 = -1; +static int hf_seg1a_spare1 = -1; +static int hf_seg1a_cell_bar_access_extension2 = -1; +static int hf_seg1a_spare2 = -1; +static int hf_seg1a_cell_bar_access_extension = -1; + +/* Segment 2A & 2Abis fields - [3] 11.5.2.67 / 11.5.2.68 */ +static int hf_seg2a_class_4_version = -1; + +static int hf_seg2a_syncinfo_sa_sirfn_delay = -1; +static int hf_seg2a_syncinfo_sa_bcch_stn = -1; +static int hf_seg2a_syncinfo_superframe_num = -1; +static int hf_seg2a_syncinfo_multiframe_num = -1; +static int hf_seg2a_syncinfo_mffn_high_bit = -1; + +static int hf_seg2a_selcrit_rxlev_select_min = -1; + +static int hf_seg2a_miscinfo_sb_selection_power = -1; + +static int hf_seg2a_lainfo_sa_pch_config = -1; +static int hf_seg2a_lainfo_sa_bach_config = -1; +static int hf_seg2a_lainfo_rach_ts_offset = -1; +static int hf_seg2a_lainfo_n_page_occurrences = -1; +static int hf_seg2a_lainfo_imsi_attach_detach_ind = -1; +static int hf_seg2a_lainfo_ecsc_indication = -1; +static int hf_seg2a_lainfo_si_update_ind = -1; + +/* Segment 2B fields */ +/* Segment 2Bbis fields */ + +/* Segment 3A fields - [1] 11.5.2.71 */ +static int hf_seg3a_lai_mcc = -1; +static int hf_seg3a_lai_mnc = -1; +static int hf_seg3a_lai_lac = -1; +static int hf_seg3a_lai_msc_id = -1; +static int hf_seg3a_lai_spot_beam_id = -1; + +static int hf_seg3a_system_sat_id = -1; +static int hf_seg3a_system_sys_id = -1; + +static int hf_seg3a_satpos_latitude = -1; +static int hf_seg3a_satpos_longitude = -1; +static int hf_seg3a_satpos_radius = -1; + +static int hf_seg3a_beam_latitude = -1; +static int hf_seg3a_beam_longitude = -1; + +static int hf_seg3a_miscinfo_sb_reselection_timer = -1; + +static int hf_seg3a_spare = -1; + +/* Segment 3B fields */ +/* Segment 3Bbis fields */ +/* Segment 3C fields */ +/* Segment 3D fields */ +/* Segment 3E fields */ +/* Segment 3Ebis fields */ +/* Segment 3F fields */ +/* Segment 3G fields */ +/* Segment 3Gbis fields */ +/* Segment 3H fields */ +/* Segment 3I fields */ +/* Segment 3J fields */ +/* Segment 3Jbis fields */ +/* Segment 3Kbis fields */ +/* Segment 3L fields */ +/* Segment 3M fields */ +/* Segment 4A fields */ +/* Segment 4B fields */ +/* Segment 4C fields */ +/* Segment 4D fields */ +/* Segment 4E fields */ +/* Segment 4F fields */ +/* Segment 4G fields */ +/* Segment 4H fields */ +/* Segment 4I fields */ +/* Segment 4J fields */ +/* Segment 4K fields */ + +/* System Information fields [1] 10.1.31 & 10.1.32 */ +static int hf_si_protocol_version = -1; +static int hf_si_block_type = -1; +static int hf_si_spare = -1; + +static int hf_si1_randomization_period = -1; + + +/* ------------------------------------------------------------------------ */ +/* CSN1 parsing structure */ +/* ------------------------------------------------------------------------ */ + +/* Segments structures */ + + /* Segment 1A - [3] 11.5.2.66 */ +typedef struct { + guint8 SB_FRAME_TS_OFFSET; + gint8 SB_SYMBOL_OFFSET; + gint8 SA_FREQ_OFFSET; +} Seg1A_SyncInfo_t; + +typedef struct { + guint8 AC15; + guint8 AC14; + guint8 AC13; + guint8 AC12; + guint8 AC11; + guint8 EC10; + guint8 AC9; + guint8 AC8; + guint8 AC7; + guint8 AC6; + guint8 AC5; + guint8 AC4; + guint8 AC3; + guint8 AC2; + guint8 AC1; + guint8 AC0; +} Seg1A_AccessClasses_t; + +typedef struct { + guint8 Max_Retrans; + Seg1A_AccessClasses_t AccessClasses; + guint8 CELL_BAR_ACCESS; +} Seg1A_RACHCtrlParams_t; + +typedef struct { + guint8 SB_RESELECTION_HYSTERESIS; + guint8 Spare; + guint8 PriorityAccessInd; +} Seg1A_MiscInfo_t; + +typedef struct { + guint8 Class_2_version; + guint8 Class_3_version; + Seg1A_SyncInfo_t SyncInfo; + Seg1A_RACHCtrlParams_t RACHCtrlParams; + Seg1A_MiscInfo_t MiscInfo; + guint8 GBCH_Present; + guint8 Test_GS; + guint8 Test_GS2; + guint8 Spare1; + guint8 CELL_BAR_ACCESS_EXTENSION2; + guint8 Spare2; + guint8 CELL_BAR_ACCESS_EXTENSION; +} Segment1A_t; + + /* Segment 2A & 2Abis - [3] 11.5.2.67 / 11.5.2.68 */ +typedef struct { + guint8 SA_SIRFN_DELAY; + guint8 SA_BCCH_STN; + guint16 SuperframeNum; + guint8 MultiframeNum; + guint8 MFFN_HighBit; +} Seg2A_SyncInfo_t; + +typedef struct { + guint8 RXLEV_SELECT_MIN; +} Seg2A_SelectionCriterion_t; + +typedef struct { + guint8 SB_SELECTION_POWER; +} Seg2A_MiscInfo_t; + +typedef struct { + guint8 SA_PCH_CONFIG; + guint8 SA_BACH_CONFIG; + guint8 RACH_TS_OFFSET; + guint8 N_Page_Occurrences; + guint8 IMSI_attach_detach_ind; + guint8 ECSC_ind; + guint8 SI_update_ind; +} Seg2A_LAInfo_t; + +typedef struct { + guint8 Class_4_version; + Seg2A_SyncInfo_t SyncInfo; + Seg2A_SelectionCriterion_t SelectionCriterion; + Seg2A_MiscInfo_t MiscInfo; + Seg2A_LAInfo_t LAInfo; +} Segment2A_t; + +typedef struct { + guint8 Class_4_version; + Seg2A_SyncInfo_t SyncInfo; + Seg2A_SelectionCriterion_t SelectionCriterion; + Seg2A_MiscInfo_t MiscInfo; + Seg2A_LAInfo_t LAInfo; +} Segment2Abis_t; + +#if 0 +typedef struct { +} Segment2B_t; + +typedef struct { +} Segment2Bbis_t; +#endif + /* Segment 3A - [1] 11.5.2.71 */ +typedef struct { + guint16 MCC; + guint16 MNC; + guint16 LAC; + guint8 MSC_ID; /* splitted version of LAC */ + guint16 Spot_Beam_ID; /* splitted version of LAC */ +} Seg3A_LAI_t; + +typedef struct { + guint8 Satellite_ID; + guint8 System_ID; +} Seg3A_System_t; + +typedef struct { + gint8 Latitude; + guint16 Longitude; + gint16 Radius; +} Seg3A_SatellitePosition_t; + +typedef struct { + gint16 Latitude; + guint16 Longitude; +} Seg3A_BeamPosition_t; + +typedef struct { + guint8 SB_RESELECTION_TIMER; +} Seg3A_MiscInfo_t; + +typedef struct { + Seg3A_LAI_t LAI; + Seg3A_System_t System; + Seg3A_SatellitePosition_t SatellitePosition; + Seg3A_BeamPosition_t BeamPosition; + Seg3A_MiscInfo_t MiscInfo; + guint8 Spare; +} Segment3A_t; +#if 0 +typedef struct { +} Segment3B_t; + +typedef struct { +} Segment3Bbis_t; + +typedef struct { +} Segment3C_t; + +typedef struct { +} Segment3D_t; + +typedef struct { +} Segment3E_t; + +typedef struct { +} Segment3Ebis_t; + +typedef struct { +} Segment3F_t; + +typedef struct { +} Segment3G_t; + +typedef struct { +} Segment3Gbis_t; + +typedef struct { +} Segment3H_t; + +typedef struct { +} Segment3I_t; + +typedef struct { +} Segment3J_t; + +typedef struct { +} Segment3Jbis_t; + +typedef struct { +} Segment3Kbis_t; + +typedef struct { +} Segment3L_t; + +typedef struct { +} Segment3M_t; + +typedef struct { +} Segment4A_t; + +typedef struct { +} Segment4B_t; + +typedef struct { +} Segment4C_t; + +typedef struct { +} Segment4D_t; + +typedef struct { +} Segment4E_t; + +typedef struct { +} Segment4F_t; + +typedef struct { +} Segment4G_t; + +typedef struct { +} Segment4H_t; + +typedef struct { +} Segment4I_t; + +typedef struct { +} Segment4J_t; + +typedef struct { +} Segment4K_t; +#endif +/* System informations structures */ + + /* System Information type 1 - [1] 10.1.31 */ +typedef struct { + guint8 Protocol_Version; + guint8 Block_Type; + guint8 Randomization_Period; + guint8 Spare; +} SI1_Block_Header_t; +#if 0 +typedef struct { + SI1_Block_Header_t Block_Header; + Segment1A_t Segment1A; + guint8 SegmentType; + union { + Segment2Abis_t Segment2Abis; + Segment2Bbis_t Segment2Bbis; + Segment3A_t Segment3A; + Segment3Bbis_t Segment3Bbis; + Segment3C_t Segment3C; + Segment3D_t Segment3D; + Segment3Ebis_t Segment3Ebis; + Segment3F_t Segment3F; + Segment3Gbis_t Segment3Gbis; + Segment3H_t Segment3H; + Segment3I_t Segment3I; + Segment3Jbis_t Segment3Jbis; + Segment3Kbis_t Segment3Kbis; + Segment4A_t Segment4A; + Segment4B_t Segment4B; + Segment4C_t Segment4C; + Segment4D_t Segment4D; + Segment4E_t Segment4E; + Segment4F_t Segment4F; + Segment4G_t Segment4G; + Segment4H_t Segment4H; + Segment4I_t Segment4I; + Segment4J_t Segment4J; + Segment4K_t Segment4K; + } u; +} SystemInformation1_t; +#endif + /* System Information type 2 - [1] 10.1.32 */ +typedef struct { + guint8 Protocol_Version; + guint8 Block_Type; + guint8 Spare; +} SI2_Block_Header_t; +#if 0 +typedef struct { + SI2_Block_Header_t Block_Header; + guint8 SegmentType; + union { + Segment2A_t Segment2A; + Segment2B_t Segment2B; + Segment3B_t Segment3B; + Segment3E_t Segment3E; + Segment3G_t Segment3G; + Segment3J_t Segment3J; + } u; +} SystemInformation2_t; +#endif + +/* ------------------------------------------------------------------------ */ +/* CSN1 parsing definitions */ +/* ------------------------------------------------------------------------ */ + +/* Segments */ + + /* Segment 1A - [3] 11.5.2.66 */ +static const +CSN_DESCR_BEGIN(Seg1A_SyncInfo_t) + M_UINT (Seg1A_SyncInfo_t, SB_FRAME_TS_OFFSET, 5, &hf_seg1a_syncinfo_sb_frame_ts_offset), + M_UINT (Seg1A_SyncInfo_t, SB_SYMBOL_OFFSET, 6, &hf_seg1a_syncinfo_sb_symbol_offset), + M_UINT (Seg1A_SyncInfo_t, SA_FREQ_OFFSET, 8, &hf_seg1a_syncinfo_sa_freq_offset), +CSN_DESCR_END (Seg1A_SyncInfo_t) + +static const +CSN_DESCR_BEGIN(Seg1A_AccessClasses_t) + M_UINT (Seg1A_AccessClasses_t, AC15, 1, &hf_seg1a_rachctrl_acc[15]), + M_UINT (Seg1A_AccessClasses_t, AC14, 1, &hf_seg1a_rachctrl_acc[14]), + M_UINT (Seg1A_AccessClasses_t, AC13, 1, &hf_seg1a_rachctrl_acc[13]), + M_UINT (Seg1A_AccessClasses_t, AC12, 1, &hf_seg1a_rachctrl_acc[12]), + M_UINT (Seg1A_AccessClasses_t, AC11, 1, &hf_seg1a_rachctrl_acc[11]), + M_UINT (Seg1A_AccessClasses_t, EC10, 1, &hf_seg1a_rachctrl_acc[10]), + M_UINT (Seg1A_AccessClasses_t, AC9, 1, &hf_seg1a_rachctrl_acc[9]), + M_UINT (Seg1A_AccessClasses_t, AC8, 1, &hf_seg1a_rachctrl_acc[8]), + M_UINT (Seg1A_AccessClasses_t, AC7, 1, &hf_seg1a_rachctrl_acc[7]), + M_UINT (Seg1A_AccessClasses_t, AC6, 1, &hf_seg1a_rachctrl_acc[6]), + M_UINT (Seg1A_AccessClasses_t, AC5, 1, &hf_seg1a_rachctrl_acc[5]), + M_UINT (Seg1A_AccessClasses_t, AC4, 1, &hf_seg1a_rachctrl_acc[4]), + M_UINT (Seg1A_AccessClasses_t, AC3, 1, &hf_seg1a_rachctrl_acc[3]), + M_UINT (Seg1A_AccessClasses_t, AC2, 1, &hf_seg1a_rachctrl_acc[2]), + M_UINT (Seg1A_AccessClasses_t, AC1, 1, &hf_seg1a_rachctrl_acc[1]), + M_UINT (Seg1A_AccessClasses_t, AC0, 1, &hf_seg1a_rachctrl_acc[0]), +CSN_DESCR_END (Seg1A_AccessClasses_t) + +static const +CSN_DESCR_BEGIN(Seg1A_RACHCtrlParams_t) + M_UINT (Seg1A_RACHCtrlParams_t, Max_Retrans, 2, &hf_seg1a_rachctrl_max_retrans), + M_TYPE_LABEL (Seg1A_RACHCtrlParams_t, AccessClasses, Seg1A_AccessClasses_t, "Access Classes"), + M_UINT (Seg1A_RACHCtrlParams_t, CELL_BAR_ACCESS, 1, &hf_seg1a_rachctrl_cell_bar_access), +CSN_DESCR_END (Seg1A_RACHCtrlParams_t) + +static const +CSN_DESCR_BEGIN(Seg1A_MiscInfo_t) + M_UINT (Seg1A_MiscInfo_t, SB_RESELECTION_HYSTERESIS, 4, &hf_seg1a_miscinfo_sb_reselection_hysteresis), + M_UINT (Seg1A_MiscInfo_t, Spare, 1, &hf_seg1a_miscinfo_spare), + M_UINT (Seg1A_MiscInfo_t, PriorityAccessInd, 1, &hf_seg1a_miscinfo_priority_access_ind), +CSN_DESCR_END (Seg1A_MiscInfo_t) + +static const +CSN_DESCR_BEGIN(Segment1A_t) + M_UINT (Segment1A_t, Class_2_version, 3, &hf_seg1a_class_2_version), + M_UINT (Segment1A_t, Class_3_version, 4, &hf_seg1a_class_3_version), + M_TYPE_LABEL (Segment1A_t, SyncInfo, Seg1A_SyncInfo_t, "Synchronization Info Class 1"), + M_TYPE_LABEL (Segment1A_t, RACHCtrlParams, Seg1A_RACHCtrlParams_t, "RACH Control Parameters"), + M_TYPE_LABEL (Segment1A_t, MiscInfo, Seg1A_MiscInfo_t, "Misc Info Class 1"), + M_UINT (Segment1A_t, GBCH_Present, 1, &hf_seg1a_gbch_present), + M_UINT (Segment1A_t, Test_GS, 1, &hf_seg1a_test_gs), + M_UINT (Segment1A_t, Test_GS2, 1, &hf_seg1a_test_gs2), + M_UINT (Segment1A_t, Spare1, 3, &hf_seg1a_spare1), + M_UINT (Segment1A_t, CELL_BAR_ACCESS_EXTENSION2, 1, &hf_seg1a_cell_bar_access_extension2), + M_UINT (Segment1A_t, Spare2, 5, &hf_seg1a_spare2), + M_UINT (Segment1A_t, CELL_BAR_ACCESS_EXTENSION, 1, &hf_seg1a_cell_bar_access_extension), +CSN_DESCR_END (Segment1A_t) + + /* Segment 2A & 2Abis - [1] 11.5.2.67 / 11.5.2.68 */ +static const +CSN_DESCR_BEGIN(Seg2A_SyncInfo_t) + M_UINT (Seg2A_SyncInfo_t, SA_SIRFN_DELAY, 4, &hf_seg2a_syncinfo_sa_sirfn_delay), + M_UINT (Seg2A_SyncInfo_t, SA_BCCH_STN, 5, &hf_seg2a_syncinfo_sa_bcch_stn), + M_UINT (Seg2A_SyncInfo_t, SuperframeNum, 13, &hf_seg2a_syncinfo_superframe_num), + M_UINT (Seg2A_SyncInfo_t, MultiframeNum, 2, &hf_seg2a_syncinfo_multiframe_num), + M_UINT (Seg2A_SyncInfo_t, MFFN_HighBit, 1, &hf_seg2a_syncinfo_mffn_high_bit), +CSN_DESCR_END (Seg2A_SyncInfo_t) + +static const +CSN_DESCR_BEGIN(Seg2A_SelectionCriterion_t) + M_UINT (Seg2A_SelectionCriterion_t, RXLEV_SELECT_MIN, 5, &hf_seg2a_selcrit_rxlev_select_min), +CSN_DESCR_END (Seg2A_SelectionCriterion_t) + +static const +CSN_DESCR_BEGIN(Seg2A_MiscInfo_t) + M_UINT (Seg2A_MiscInfo_t, SB_SELECTION_POWER, 4, &hf_seg2a_miscinfo_sb_selection_power), +CSN_DESCR_END (Seg2A_MiscInfo_t) + +static const +CSN_DESCR_BEGIN(Seg2A_LAInfo_t) + M_UINT (Seg2A_LAInfo_t, SA_PCH_CONFIG, 2, &hf_seg2a_lainfo_sa_pch_config), + M_UINT (Seg2A_LAInfo_t, SA_BACH_CONFIG, 8, &hf_seg2a_lainfo_sa_bach_config), + M_UINT (Seg2A_LAInfo_t, RACH_TS_OFFSET, 5, &hf_seg2a_lainfo_rach_ts_offset), + M_UINT (Seg2A_LAInfo_t, N_Page_Occurrences, 2, &hf_seg2a_lainfo_n_page_occurrences), + M_UINT (Seg2A_LAInfo_t, IMSI_attach_detach_ind, 1, &hf_seg2a_lainfo_imsi_attach_detach_ind), + M_UINT (Seg2A_LAInfo_t, ECSC_ind, 1, &hf_seg2a_lainfo_ecsc_indication), + M_UINT (Seg2A_LAInfo_t, SI_update_ind, 1, &hf_seg2a_lainfo_si_update_ind), +CSN_DESCR_END (Seg2A_LAInfo_t) + +static const +CSN_DESCR_BEGIN(Segment2A_t) + M_FIXED_LABEL(Segment2A_t, 2, 0x2, "= Class type: 2"), + M_FIXED_LABEL(Segment2A_t, 4, 0x0, "= Segment type: A"), + M_UINT (Segment2A_t, Class_4_version, 3, &hf_seg2a_class_4_version), + M_TYPE_LABEL (Segment2A_t, SyncInfo, Seg2A_SyncInfo_t, "Synchronization Info Class 2"), + M_TYPE_LABEL (Segment2A_t, SelectionCriterion, Seg2A_SelectionCriterion_t, "Selection Criterion"), + M_TYPE_LABEL (Segment2A_t, MiscInfo, Seg2A_MiscInfo_t, "Misc Info Class 2"), + M_TYPE_LABEL (Segment2A_t, LAInfo, Seg2A_LAInfo_t, "LA Info Class 2"), +CSN_DESCR_END (Segment2A_t) + +static const +CSN_DESCR_BEGIN(Segment2Abis_t) + M_FIXED_LABEL(Segment2Abis_t, 2, 0x2, "= Class type: 2"), + M_FIXED_LABEL(Segment2Abis_t, 4, 0x0, "= Segment type: Abis"), + M_UINT (Segment2Abis_t, Class_4_version, 3, &hf_seg2a_class_4_version), + M_TYPE_LABEL (Segment2Abis_t, SyncInfo, Seg2A_SyncInfo_t, "Synchronization Info Class 2"), + M_TYPE_LABEL (Segment2Abis_t, SelectionCriterion, Seg2A_SelectionCriterion_t, "Selection Criterion"), + M_TYPE_LABEL (Segment2Abis_t, MiscInfo, Seg2A_MiscInfo_t, "Misc Info Class 2"), + M_TYPE_LABEL (Segment2Abis_t, LAInfo, Seg2A_LAInfo_t, "LA Info Class 2"), +CSN_DESCR_END (Segment2Abis_t) + +static const +CSN_DESCR_BEGIN(Segment2B_t) + M_FIXED_LABEL(Segment2B_t, 2, 0x2, "= Class type: 2"), + M_FIXED_LABEL(Segment2B_t, 4, 0x1, "= Segment type: B"), +CSN_DESCR_END (Segment2B_t) + +static const +CSN_DESCR_BEGIN(Segment2Bbis_t) + M_FIXED_LABEL(Segment2Bbis_t, 2, 0x2, "= Class type: 2"), + M_FIXED_LABEL(Segment2Bbis_t, 4, 0x1, "= Segment type: B bis"), +CSN_DESCR_END (Segment2Bbis_t) + + /* Segment 3A - [1] 11.5.2.71 */ +static gint16 +Seg3A_LAI_Dissector(proto_tree *tree _U_, csnStream_t* ar, tvbuff_t *tvb, void* data, int ett_csn1) +{ + Seg3A_LAI_t *LAI = (Seg3A_LAI_t *)data; + proto_item *lac_item; + proto_tree *lac_tree; + guint8 c[5]; + int i; + + if (ar->remaining_bits_len < 5*8) + return -1; + + for (i=0; i<5; i++) + c[i] = tvb_get_bits8(tvb, ar->bit_offset + (i<<3), 8); + + LAI->MCC = (c[0] & 0xf) * 100 + ((c[0] & 0xf0) >> 4) * 10 + (c[1] & 0xf); + LAI->MNC = (c[2] & 0xf) * 10 + ((c[2] & 0xf0) >> 4); + + LAI->LAC = (c[3] << 8) | c[4]; + LAI->MSC_ID = (LAI->LAC >> 10) & 0x3f; + LAI->Spot_Beam_ID = LAI->LAC & 0x03ff; + + proto_tree_add_uint_bits_format_value(tree, hf_seg3a_lai_mcc, tvb, ar->bit_offset, 16, (guint32)LAI->MCC, "%d", LAI->MCC); + proto_tree_add_uint_bits_format_value(tree, hf_seg3a_lai_mnc, tvb, ar->bit_offset+16, 8, (guint32)LAI->MNC, "%d", LAI->MNC); + + lac_item = proto_tree_add_uint_bits_format_value(tree, hf_seg3a_lai_lac, tvb, ar->bit_offset+24, 16, (guint32)LAI->LAC, "0x%04x", LAI->LAC); + lac_tree = proto_item_add_subtree(lac_item, ett_csn1); + + proto_tree_add_uint_bits_format_value(lac_tree, hf_seg3a_lai_msc_id, tvb, ar->bit_offset+24, 6, (guint32)LAI->MSC_ID, "%d", LAI->MSC_ID); + proto_tree_add_uint_bits_format_value(lac_tree, hf_seg3a_lai_spot_beam_id, tvb, ar->bit_offset+30, 10, (guint32)LAI->Spot_Beam_ID, "%d", LAI->Spot_Beam_ID); + + ar->remaining_bits_len -= 5*8; + ar->bit_offset += 5*8; + + return 0; +} + +static const +CSN_DESCR_BEGIN(Seg3A_System_t) + M_UINT (Seg3A_System_t, Satellite_ID, 2, &hf_seg3a_system_sat_id), + M_UINT (Seg3A_System_t, System_ID, 4, &hf_seg3a_system_sys_id), +CSN_DESCR_END (Seg3A_System_t) + +static const +CSN_DESCR_BEGIN(Seg3A_SatellitePosition_t) + M_UINT (Seg3A_SatellitePosition_t, Latitude, 8, &hf_seg3a_satpos_latitude), + M_UINT (Seg3A_SatellitePosition_t, Longitude, 12, &hf_seg3a_satpos_longitude), + M_UINT (Seg3A_SatellitePosition_t, Radius, 16, &hf_seg3a_satpos_radius), +CSN_DESCR_END (Seg3A_SatellitePosition_t) + +static const +CSN_DESCR_BEGIN(Seg3A_BeamPosition_t) + M_UINT (Seg3A_BeamPosition_t, Latitude, 11, &hf_seg3a_beam_latitude), + M_UINT (Seg3A_BeamPosition_t, Longitude, 12, &hf_seg3a_beam_longitude), +CSN_DESCR_END (Seg3A_BeamPosition_t) + +static const +CSN_DESCR_BEGIN(Seg3A_MiscInfo_t) + M_UINT (Seg3A_MiscInfo_t, SB_RESELECTION_TIMER, 6, &hf_seg3a_miscinfo_sb_reselection_timer), +CSN_DESCR_END (Seg3A_MiscInfo_t) + +static const +CSN_DESCR_BEGIN(Segment3A_t) + M_FIXED_LABEL(Segment3A_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3A_t, 4, 0x0, "= Segment type: A"), + M_SERIALIZE (Segment3A_t, LAI, 0, Seg3A_LAI_Dissector), + M_TYPE_LABEL (Segment3A_t, System, Seg3A_System_t, "System"), + M_TYPE_LABEL (Segment3A_t, SatellitePosition, Seg3A_SatellitePosition_t, "Satellite Position"), + M_TYPE_LABEL (Segment3A_t, BeamPosition, Seg3A_BeamPosition_t, "Beam Center Position"), + M_TYPE_LABEL (Segment3A_t, MiscInfo, Seg3A_MiscInfo_t, "Misc Info Class 3"), + M_UINT (Segment3A_t, Spare, 4, &hf_seg3a_spare), +CSN_DESCR_END (Segment3A_t) + +static const +CSN_DESCR_BEGIN(Segment3B_t) + M_FIXED_LABEL(Segment3B_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3B_t, 4, 0x1, "= Segment type: B"), +CSN_DESCR_END (Segment3B_t) + +static const +CSN_DESCR_BEGIN(Segment3Bbis_t) + M_FIXED_LABEL(Segment3Bbis_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3Bbis_t, 4, 0x1, "= Segment type: B bis"), +CSN_DESCR_END (Segment3Bbis_t) + +static const +CSN_DESCR_BEGIN(Segment3C_t) + M_FIXED_LABEL(Segment3C_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3C_t, 4, 0x2, "= Segment type: C"), +CSN_DESCR_END (Segment3C_t) + +static const +CSN_DESCR_BEGIN(Segment3D_t) + M_FIXED_LABEL(Segment3D_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3D_t, 4, 0x3, "= Segment type: D"), +CSN_DESCR_END (Segment3D_t) + +static const +CSN_DESCR_BEGIN(Segment3E_t) + M_FIXED_LABEL(Segment3E_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3E_t, 4, 0x4, "= Segment type: E"), +CSN_DESCR_END (Segment3E_t) + +static const +CSN_DESCR_BEGIN(Segment3Ebis_t) + M_FIXED_LABEL(Segment3Ebis_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3Ebis_t, 4, 0x4, "= Segment type: E bis"), +CSN_DESCR_END (Segment3Ebis_t) + +static const +CSN_DESCR_BEGIN(Segment3F_t) + M_FIXED_LABEL(Segment3F_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3F_t, 4, 0x5, "= Segment type: F"), +CSN_DESCR_END (Segment3F_t) + +static const +CSN_DESCR_BEGIN(Segment3G_t) + M_FIXED_LABEL(Segment3G_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3G_t, 4, 0x6, "= Segment type: G"), +CSN_DESCR_END (Segment3G_t) + +static const +CSN_DESCR_BEGIN(Segment3Gbis_t) + M_FIXED_LABEL(Segment3Gbis_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3Gbis_t, 4, 0x6, "= Segment type: G bis"), +CSN_DESCR_END (Segment3Gbis_t) + +static const +CSN_DESCR_BEGIN(Segment3H_t) + M_FIXED_LABEL(Segment3H_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3H_t, 4, 0x7, "= Segment type: H"), +CSN_DESCR_END (Segment3H_t) + +static const +CSN_DESCR_BEGIN(Segment3I_t) + M_FIXED_LABEL(Segment3I_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3I_t, 4, 0x9, "= Segment type: I"), +CSN_DESCR_END (Segment3I_t) + +static const +CSN_DESCR_BEGIN(Segment3J_t) + M_FIXED_LABEL(Segment3J_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3J_t, 4, 0xa, "= Segment type: J"), +CSN_DESCR_END (Segment3J_t) + +static const +CSN_DESCR_BEGIN(Segment3Jbis_t) + M_FIXED_LABEL(Segment3Jbis_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3Jbis_t, 4, 0xa, "= Segment type: J bis"), +CSN_DESCR_END (Segment3Jbis_t) + +static const +CSN_DESCR_BEGIN(Segment3Kbis_t) + M_FIXED_LABEL(Segment3Kbis_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3Kbis_t, 4, 0xb, "= Segment type: K bis"), +CSN_DESCR_END (Segment3Kbis_t) + +static const +CSN_DESCR_BEGIN(Segment3L_t) + M_FIXED_LABEL(Segment3L_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3L_t, 4, 0xc, "= Segment type: L"), +CSN_DESCR_END (Segment3L_t) + +static const +CSN_DESCR_BEGIN(Segment3M_t) + M_FIXED_LABEL(Segment3M_t, 1, 0x0, "= Class type: 3"), + M_FIXED_LABEL(Segment3M_t, 4, 0xd, "= Segment type: M"), +CSN_DESCR_END (Segment3M_t) + +static const +CSN_DESCR_BEGIN(Segment4A_t) + M_FIXED_LABEL(Segment4A_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4A_t, 4, 0x0, "= Segment type: A"), +CSN_DESCR_END (Segment4A_t) + +static const +CSN_DESCR_BEGIN(Segment4B_t) + M_FIXED_LABEL(Segment4B_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4B_t, 4, 0x1, "= Segment type: B"), +CSN_DESCR_END (Segment4B_t) + +static const +CSN_DESCR_BEGIN(Segment4C_t) + M_FIXED_LABEL(Segment4C_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4C_t, 4, 0x2, "= Segment type: C"), +CSN_DESCR_END (Segment4C_t) + +static const +CSN_DESCR_BEGIN(Segment4D_t) + M_FIXED_LABEL(Segment4D_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4D_t, 4, 0x3, "= Segment type: D"), +CSN_DESCR_END (Segment4D_t) + +static const +CSN_DESCR_BEGIN(Segment4E_t) + M_FIXED_LABEL(Segment4E_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4E_t, 4, 0x4, "= Segment type: E"), +CSN_DESCR_END (Segment4E_t) + +static const +CSN_DESCR_BEGIN(Segment4F_t) + M_FIXED_LABEL(Segment4F_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4F_t, 4, 0x5, "= Segment type: F"), +CSN_DESCR_END (Segment4F_t) + +static const +CSN_DESCR_BEGIN(Segment4G_t) + M_FIXED_LABEL(Segment4G_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4G_t, 4, 0x6, "= Segment type: G"), +CSN_DESCR_END (Segment4G_t) + +static const +CSN_DESCR_BEGIN(Segment4H_t) + M_FIXED_LABEL(Segment4H_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4H_t, 4, 0x7, "= Segment type: H"), +CSN_DESCR_END (Segment4H_t) + +static const +CSN_DESCR_BEGIN(Segment4I_t) + M_FIXED_LABEL(Segment4I_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4I_t, 4, 0x8, "= Segment type: I"), +CSN_DESCR_END (Segment4I_t) + +static const +CSN_DESCR_BEGIN(Segment4J_t) + M_FIXED_LABEL(Segment4J_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4J_t, 4, 0x9, "= Segment type: J"), +CSN_DESCR_END (Segment4J_t) + +static const +CSN_DESCR_BEGIN(Segment4K_t) + M_FIXED_LABEL(Segment4K_t, 3, 0x6, "= Class type: 4"), + M_FIXED_LABEL(Segment4K_t, 4, 0xa, "= Segment type: K"), +CSN_DESCR_END (Segment4K_t) + + +/* System information */ + + /* System Information type 1 - [1] 10.1.31 */ + +static const +CSN_DESCR_BEGIN(SI1_Block_Header_t) + M_UINT (SI1_Block_Header_t, Protocol_Version, 4, &hf_si_protocol_version), + M_UINT (SI1_Block_Header_t, Block_Type, 1, &hf_si_block_type), + M_UINT (SI1_Block_Header_t, Randomization_Period, 2, &hf_si1_randomization_period), + M_UINT (SI1_Block_Header_t, Spare, 1, &hf_si_spare), +CSN_DESCR_END (SI1_Block_Header_t); +#if 0 +static const +CSN_ChoiceElement_t SI1_SegmentChoice[] = +{ + {6, 0x20, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment2Abis, Segment2Abis_t, "Segment 2A bis")}, + {6, 0x21, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment2Bbis, Segment2Bbis_t, "Segment 2B bis")}, + {5, 0x00, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3A, Segment3A_t, "Segment 3A")}, + {5, 0x01, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3Bbis, Segment3Bbis_t, "Segment 3B bis")}, + {5, 0x02, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3C, Segment3C_t, "Segment 3C")}, + {5, 0x03, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3D, Segment3D_t, "Segment 3D")}, + {5, 0x04, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3Ebis, Segment3Ebis_t, "Segment 3E bis")}, + {5, 0x05, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3F, Segment3F_t, "Segment 3F")}, + {5, 0x06, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3Gbis, Segment3Gbis_t, "Segment 3G bis")}, + {5, 0x07, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3H, Segment3H_t, "Segment 3H")}, + {5, 0x09, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3I, Segment3I_t, "Segment 3I")}, + {5, 0x0a, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3Jbis, Segment3Jbis_t, "Segment 3J bis")}, + {5, 0x0b, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment3Kbis, Segment3Kbis_t, "Segment 3K bis")}, + {7, 0x60, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4A, Segment4A_t, "Segment 4A")}, + {7, 0x61, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4B, Segment4B_t, "Segment 4B")}, + {7, 0x62, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4C, Segment4C_t, "Segment 4C")}, + {7, 0x63, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4D, Segment4D_t, "Segment 4D")}, + {7, 0x64, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4E, Segment4E_t, "Segment 4E")}, + {7, 0x65, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4F, Segment4F_t, "Segment 4F")}, + {7, 0x66, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4G, Segment4G_t, "Segment 4G")}, + {7, 0x67, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4H, Segment4H_t, "Segment 4H")}, + {7, 0x68, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4I, Segment4I_t, "Segment 4I")}, + {7, 0x69, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4J, Segment4J_t, "Segment 4J")}, + {7, 0x6a, 1, M_TYPE_LABEL(SystemInformation1_t, u.Segment4K, Segment4K_t, "Segment 4K")}, +}; +static const +CSN_DESCR_BEGIN(SystemInformation1_t) + M_TYPE_LABEL (SystemInformation1_t, Block_Header, SI1_Block_Header_t, "Block Header"), + M_TYPE_LABEL (SystemInformation1_t, Segment1A, Segment1A_t, "Segment 1A"), + M_CHOICE_IL (SystemInformation1_t, SegmentType, SI1_SegmentChoice, ElementsOf(SI1_SegmentChoice)), +CSN_DESCR_END (SystemInformation1_t) + + /* System Information type 2 - [1] 10.1.32 */ + +CSN_DESCR_BEGIN(SI2_Block_Header_t) + M_UINT (SI2_Block_Header_t, Protocol_Version, 4, &hf_si_protocol_version), + M_UINT (SI2_Block_Header_t, Block_Type, 1, &hf_si_block_type), + M_UINT (SI2_Block_Header_t, Spare, 3, &hf_si_spare), +CSN_DESCR_END (SI2_Block_Header_t); + +static const +CSN_ChoiceElement_t SI2_SegmentChoice[] = +{ + {6, 0x20, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment2A, Segment2A_t, "Segment 2A")}, + {6, 0x21, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment2B, Segment2B_t, "Segment 2B")}, + {5, 0x01, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment3B, Segment3B_t, "Segment 3B")}, + {5, 0x04, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment3E, Segment3E_t, "Segment 3E")}, + {5, 0x06, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment3G, Segment3G_t, "Segment 3G")}, + {5, 0x0a, 1, M_TYPE_LABEL(SystemInformation2_t, u.Segment3J, Segment3J_t, "Segment 3J")}, +}; + +static const +CSN_DESCR_BEGIN(SystemInformation2_t) + M_TYPE_LABEL (SystemInformation2_t, Block_Header, SI2_Block_Header_t, "Block Header"), + M_CHOICE_IL (SystemInformation2_t, SegmentType, SI2_SegmentChoice, ElementsOf(SI2_SegmentChoice)), +CSN_DESCR_END (SystemInformation2_t) + +#endif + +/* ------------------------------------------------------------------------ */ +/* Fields values */ +/* ------------------------------------------------------------------------ */ + +/* Common stuff */ +static void +segx_half_db_value_fmt(gchar *s, guint32 v) +{ + g_snprintf(s, ITEM_LABEL_LENGTH, "%2.1f dB (%u)", v * 0.5f, v); +} + +/* Segment 1A - [3] 11.5.2.66 */ +static void +seg1a_syncinfo_sa_freq_offset_fmt(gchar *s, guint32 v) +{ + gint32 sv = (gint32)v; + g_snprintf(s, ITEM_LABEL_LENGTH, "%d Hz (%d)", sv * 5, sv); +} + +static const value_string seg1a_rachctrl_acc_vals[] = { + { 0, "not barred (allowed)"}, + { 1, "barred (not allowed)"}, + { 0, NULL } +}; + +static const value_string seg1a_rachctrl_cell_bar_access_vals[] = { + { 0, "The cell is not barred"}, + { 1, "The cell is barred"}, + { 0, NULL } +}; + +/* Segment 2A & 2Abis - [1] 11.5.2.67 & 11.5.2.68 */ +static const value_string seg2a_lainfo_imsi_attach_detach_ind_vals[] = { + { 0, "MESs shall NOT apply IMSI attach and detach procedure for this LA"}, + { 1, "MESs shall apply IMSI attach and detach procedure for this LA"}, + { 0, NULL } +}; + +static const value_string seg2a_lainfo_ecsc_indication_vals[] = { + { 0, "Early sending is explicitly prohibited"}, + { 1, "Early sending is explicitly accepted"}, + { 0, NULL } +}; + +/* Segment 3A - [1] 11.5.2.71 */ +static void +seg3a_latitude_fmt(gchar *s, guint32 v) +{ + gint32 sv = (gint32)v; + char c; + + if (sv < 0) { + c = 'S'; + sv = -sv; + } else + c = 'N'; + + g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f %c (%d)", sv / 10.0f, c, sv); +} + +static void +seg3a_longitude_fmt(gchar *s, guint32 v) +{ + gint32 sv; + char c; + + if (v < 1800) { + c = 'W'; + sv = v; + } else { + c = 'E'; + sv = 3600 - v; + } + + g_snprintf(s, ITEM_LABEL_LENGTH, "%.1f %c (%u)", sv / 10.0f, c, v); +} + +static void +seg3a_satpos_radius_fmt(gchar *s, guint32 v) +{ + gint32 sv = (gint32)v; + gint32 a = (42162 * 1000) + (sv * 5); + g_snprintf(s, ITEM_LABEL_LENGTH, "%.3lf km (%u)", a / 1000.0, sv); +} + +static void +seg3a_miscinfo_sb_reselection_timer_fmt(gchar *s, guint32 v) +{ + g_snprintf(s, ITEM_LABEL_LENGTH, "%d minutes (%u)", v*4, v); +} + +/* System Information 1 - [1] 10.3.31 */ +static const value_string si1_randomization_period_vals[] = { + { 0, "7 frames after this SI block" }, + { 1, "15 frames after this SI block" }, + { 2, "23 frames after this SI block" }, + { 3, "31 frames after this SI block" }, + { 0, NULL } +}; + + +/* ------------------------------------------------------------------------ */ +/* Dissector code */ +/* ------------------------------------------------------------------------ */ + +static void +dissect_gmr1_bcch(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + proto_item *bcch_item = NULL; + proto_tree *bcch_tree = NULL; + csnStream_t ar; + gboolean is_si1; + + col_append_str(pinfo->cinfo, COL_INFO, "(BCCH) "); + + is_si1 = tvb_get_bits8(tvb, 0, 5) & 1; + + bcch_item = proto_tree_add_protocol_format( + tree, proto_gmr1_bcch, tvb, 0, -1, + "GMR-1 BCCH - System Information type %d", is_si1 ? 1 : 2 + ); + bcch_tree = proto_item_add_subtree(bcch_item, ett_gmr1_bcch); + + csnStreamInit(&ar, 0, tvb_length(tvb)*8); +#if 0 + /* SI1 or SI2 */ + if (is_si1) { + SystemInformation1_t *data; + data = ep_alloc(sizeof(SystemInformation1_t)); + csnStreamDissector(bcch_tree, &ar, CSNDESCR(SystemInformation1_t), tvb, data, ett_gmr1_bcch); + col_append_fstr( + pinfo->cinfo, COL_INFO, + "System Information 1: Segment 1A, %s", + SI1_SegmentChoice[data->SegmentType].descr.sz + ); + } else { + SystemInformation2_t *data; + data = ep_alloc(sizeof(SystemInformation2_t)); + csnStreamDissector(bcch_tree, &ar, CSNDESCR(SystemInformation2_t), tvb, data, ett_gmr1_bcch); + col_append_fstr( + pinfo->cinfo, COL_INFO, + "System Information 2: %s", + SI2_SegmentChoice[data->SegmentType].descr.sz + ); + } +#endif +} + +void +proto_register_gmr1_bcch(void) +{ + static hf_register_info hf[] = { + /* Segment 1A - [3] 11.5.2.66 */ + { &hf_seg1a_class_2_version, + { "Class 2 version", "gmr1.bcch.seg1a.class_2_version", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Version number for current Class 2 information", HFILL } + }, + { &hf_seg1a_class_3_version, + { "Class 3 version", "gmr1.bcch.seg1a.class_3_version", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Version number for current Class 3 information", HFILL } + }, + { &hf_seg1a_syncinfo_sb_frame_ts_offset, + { "SB_FRAME_TS_OFFSET", "gmr1.bcch.seg1a.syncinfo.sb_frame_ts_offset", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_syncinfo_sb_symbol_offset, + { "SB_SYMBOL_OFFSET", "gmr1.bcch.seg1a.syncinfo.sb_symbol_offset", + FT_INT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_syncinfo_sa_freq_offset, + { "SA_FREQ_OFFSET", "gmr1.bcch.seg1a.syncinfo.sa_freq_offset", + FT_UINT8, BASE_CUSTOM, seg1a_syncinfo_sa_freq_offset_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_rachctrl_max_retrans, + { "Max Retrans", "gmr1.bcch.seg1a.rachctrl.max_retrans", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_rachctrl_acc[15], + { "AC15", "gmr1.bcch.seg1a.rachctrl.ac15", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 15 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[14], + { "AC14", "gmr1.bcch.seg1a.rachctrl.ac14", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 14 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[13], + { "AC13", "gmr1.bcch.seg1a.rachctrl.ac13", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 13 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[12], + { "AC12", "gmr1.bcch.seg1a.rachctrl.ac12", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 12 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[11], + { "AC11", "gmr1.bcch.seg1a.rachctrl.ac11", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 11 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[10], + { "EC10", "gmr1.bcch.seg1a.rachctrl.ac10", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Emergency Class 10 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[9], + { "AC9", "gmr1.bcch.seg1a.rachctrl.ac9", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 9 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[8], + { "AC8", "gmr1.bcch.seg1a.rachctrl.ac8", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 8 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[7], + { "AC7", "gmr1.bcch.seg1a.rachctrl.ac7", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 7 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[6], + { "AC6", "gmr1.bcch.seg1a.rachctrl.ac6", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 6 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[5], + { "AC5", "gmr1.bcch.seg1a.rachctrl.ac5", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 5 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[4], + { "AC4", "gmr1.bcch.seg1a.rachctrl.ac4", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 4 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[3], + { "AC3", "gmr1.bcch.seg1a.rachctrl.ac3", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 3 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[2], + { "AC2", "gmr1.bcch.seg1a.rachctrl.ac2", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 2 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[1], + { "AC1", "gmr1.bcch.seg1a.rachctrl.ac1", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 1 barred", HFILL } + }, + { &hf_seg1a_rachctrl_acc[0], + { "AC0", "gmr1.bcch.seg1a.rachctrl.ac0", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_acc_vals), 0x00, + "Access Class 0 barred", HFILL } + }, + { &hf_seg1a_rachctrl_cell_bar_access, + { "CELL_BAR_ACCESS", "gmr1.bcch.seg1a.rachctrl.cell_bar_access", + FT_UINT8, BASE_DEC, VALS(seg1a_rachctrl_cell_bar_access_vals), 0x00, + NULL, HFILL } + }, + { &hf_seg1a_miscinfo_sb_reselection_hysteresis, + { "SB_RESELECTION_HYSTERESIS", "gmr1.bcch.seg1a.miscinfo.sb_reselection_hysteresis", + FT_UINT8, BASE_CUSTOM, segx_half_db_value_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_miscinfo_spare, + { "Spare", "gmr1.bcch.seg1a.miscinfo.spare", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_miscinfo_priority_access_ind, + { "Priority Access Ind", "gmr1.bcch.seg1a.miscinfo.priority_access_ind", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Reserved for future use", HFILL } + }, + { &hf_seg1a_gbch_present, + { "GBCH Present", "gmr1.bcch.seg1a.gbch_present", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_test_gs, + { "Test GS", "gmr1.bcch.seg1a.test_gs", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_test_gs2, + { "Test GS2", "gmr1.bcch.seg1a.test_gs2", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_spare1, + { "Spare", "gmr1.bcch.seg1a.spare1", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_cell_bar_access_extension2, + { "CELL_BAR_ACCESS_EXTENSION2", "gmr1.bcch.seg1a.cell_bar_access_extension2", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_spare2, + { "Spare", "gmr1.bcch.seg1a.spare2", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg1a_cell_bar_access_extension, + { "CELL_BAR_ACCESS_EXTENSION", "gmr1.bcch.seg1a.cell_bar_access_extension", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + + /* Segment 2A - [1] 11.5.2.67 */ + { &hf_seg2a_class_4_version, + { "Class 4 version", "gmr1.bcch.seg2a.class_4_version", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Version number for current Class 4 information", HFILL } + }, + { &hf_seg2a_syncinfo_sa_sirfn_delay, + { "SA_SIRFN_DELAY", "gmr1.bcch.seg2a.syncinfo.sa_sirfn_delay", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Delay of system information relative to superframe", HFILL } + }, + { &hf_seg2a_syncinfo_sa_bcch_stn, + { "SA_BCCH_STN", "gmr1.bcch.seg2a.syncinfo.sa_bcch_stn", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Starting timeslot number", HFILL } + }, + { &hf_seg2a_syncinfo_superframe_num, + { "Superframe Number", "gmr1.bcch.seg2a.syncinfo.superframe_num", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg2a_syncinfo_multiframe_num, + { "Multiframe Number", "gmr1.bcch.seg2a.syncinfo.multiframe_num", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Multiframe number in a superframe", HFILL } + }, + { &hf_seg2a_syncinfo_mffn_high_bit, + { "MFFN high bit", "gmr1.bcch.seg2a.syncinfo.mffn_high_bit", + FT_UINT8, BASE_DEC, NULL, 0x00, + "High bit of the TDMA FN in a multiframe", HFILL } + }, + { &hf_seg2a_selcrit_rxlev_select_min, + { "RXLEV_SELECT_MIN", "gmr1.bcch.seg2a.selcrit.rxlev_select_min", + FT_UINT8, BASE_CUSTOM, segx_half_db_value_fmt, 0x00, + "Adjustment to threshold to camp-on system", HFILL } + }, + { &hf_seg2a_miscinfo_sb_selection_power, + { "SB_SELECTION_POWER", "gmr1.bcch.seg2a.miscinfo.sb_selection_power", + FT_UINT8, BASE_CUSTOM, segx_half_db_value_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg2a_lainfo_sa_pch_config, + { "SA_PCH_CONFIG", "gmr1.bcch.seg2a.lainfo.sa_pch_config", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Paging group configuration information", HFILL } + }, + { &hf_seg2a_lainfo_sa_bach_config, + { "SA_BACH_CONFIG", "gmr1.bcch.seg2a.lainfo.sa_bach_config", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Alerting group configuration information", HFILL } + }, + { &hf_seg2a_lainfo_rach_ts_offset, + { "RACH_TS_OFFSET", "gmr1.bcch.seg2a.lainfo.rach_ts_offset", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Start of RACH window with respect to BCCH", HFILL } + }, + { &hf_seg2a_lainfo_n_page_occurrences, + { "N Page Occurrences", "gmr1.bcch.seg2a.lainfo.n_page_occurrences", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Number of times a page shall be retransmitted after the initial transmission", HFILL } + }, + { &hf_seg2a_lainfo_imsi_attach_detach_ind, + { "IMSI attach-detach ind", "gmr1.bcch.seg2a.lainfo.imsi_attach_detach_ind", + FT_UINT8, BASE_DEC, VALS(seg2a_lainfo_imsi_attach_detach_ind_vals), 0x00, + "Should MESs apply IMSI attach and detach procedure for this LA", HFILL } + }, + { &hf_seg2a_lainfo_ecsc_indication, + { "ECSC indication", "gmr1.bcch.seg2a.lainfo.ecsc_indication", + FT_UINT8, BASE_DEC, VALS(seg2a_lainfo_ecsc_indication_vals), 0x00, + "Early Classmark Sending Control", HFILL } + }, + { &hf_seg2a_lainfo_si_update_ind, + { "SI update ind", "gmr1.bcch.seg2a.lainfo.si_update_ind", + FT_UINT8, BASE_DEC, NULL, 0x00, + "Flag for BACH reorganization. Value changes after each reorganization", HFILL } + }, + + /* Segment 3A - [1] 11.5.2.71 */ + { &hf_seg3a_lai_mcc, + { "Mobile Country Code (MCC)", "gmr1.bcch.seg3a.lai.mcc", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_lai_mnc, + { "Mobile Network Code (MNC)", "gmr1.bcch.seg3a.lai.mnc", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_lai_lac, + { "Location Area Code (LAC)", "gmr1.bcch.seg3a.lai.lac", + FT_UINT16, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_lai_msc_id, + { "MSC ID", "gmr1.bcch.seg3a.lai.msc_id", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_lai_spot_beam_id, + { "Spot Beam ID", "gmr1.bcch.seg3a.lai.spot_beam_id", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_system_sat_id, + { "Satellite ID", "gmr1.bcch.seg3a.system.sat_id", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_system_sys_id, + { "System ID", "gmr1.bcch.seg3a.system.sys_id", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_satpos_latitude, + { "Latitude", "gmr1.bcch.seg3a.satpos.latitude", + FT_INT8, BASE_CUSTOM, seg3a_latitude_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_satpos_longitude, + { "Longitude", "gmr1.bcch.seg3a.satpos.longitude", + FT_UINT16, BASE_CUSTOM, seg3a_longitude_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_satpos_radius, + { "Radius", "gmr1.bcch.seg3a.satpos.radius", + FT_INT16, BASE_CUSTOM, seg3a_satpos_radius_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_beam_latitude, + { "Latitude", "gmr1.bcch.seg3a.beam.latitude", + FT_INT16, BASE_CUSTOM, seg3a_latitude_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_beam_longitude, + { "Longitude", "gmr1.bcch.seg3a.beam.longitude", + FT_UINT16, BASE_CUSTOM, seg3a_longitude_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_miscinfo_sb_reselection_timer, + { "SB_RESELECTION_TIMER", "gmr1.bcch.seg3a.sb_reselection_timer", + FT_UINT8, BASE_CUSTOM, seg3a_miscinfo_sb_reselection_timer_fmt, 0x00, + NULL, HFILL } + }, + { &hf_seg3a_spare, + { "Spare", "gmr1.bcch.seg3a.spare", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + + /* System Information fields - [1] 10.1.31 & 10.1.32 */ + { &hf_si_protocol_version, + { "Protocol version", "gmr1.bcch.si.protocol_version", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_si_block_type, + { "Block Type", "gmr1.bcch.si.block_type", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_si_spare, + { "Spare", "gmr1.bcch.si.spare", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_si1_randomization_period, + { "Randomization Period", "gmr1.bcch.si.randomization_period", + FT_UINT8, BASE_DEC, VALS(si1_randomization_period_vals), 0x00, + NULL, HFILL } + }, + }; + + static gint *ett[] = { + &ett_gmr1_bcch, + }; + + proto_gmr1_bcch = proto_register_protocol("GEO-Mobile Radio (1) BCCH", "GMR-1 BCCH", "gmr1_bcch"); + + proto_register_field_array(proto_gmr1_bcch, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + register_dissector("gmr1_bcch", dissect_gmr1_bcch, proto_gmr1_bcch); +} + +void +proto_reg_handoff_gmr1_bcch(void) +{ + data_handle = find_dissector("data"); +} |