/* packet-gsmtap.c * Routines for GSMTAP captures * * (C) 2008-2013 by Harald Welte * (C) 2011 by Holger Hans Peter Freyther * (C) 2020 by sysmocom s.f.m.c. GmbH * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * SPDX-License-Identifier: GPL-2.0-or-later */ /* GSMTAP is a generic header format for GSM protocol captures, * it uses the IANA-assigned UDP port number 4729 and carries * payload in various formats of GSM interfaces such as Um MAC * blocks or Um bursts. * * It is defined by the gsmtap.h libosmocore header, in * * http://cgit.osmocom.org/libosmocore/tree/include/osmocom/core/gsmtap.h * * Example programs generating GSMTAP data are airprobe * (http://git.gnumonks.org/cgit/airprobe/) or OsmocomBB (http://bb.osmocom.org/) * * It has also been used for Tetra by the OsmocomTETRA project. * (http://tetra.osmocom.org/) * * GSMTAP also carries payload in various formats of WiMAX interfaces. * It uses the wimax plugin to decode the WiMAX bursts. */ #include "config.h" #include #include #include #include "packet-gsmtap.h" #include "packet-lapdm.h" #include "packet-tetra.h" void proto_register_gsmtap(void); void proto_reg_handoff_gsmtap(void); static int proto_gsmtap = -1; static int hf_gsmtap_version = -1; static int hf_gsmtap_hdrlen = -1; static int hf_gsmtap_type = -1; static int hf_gsmtap_timeslot = -1; static int hf_gsmtap_subslot = -1; static int hf_gsmtap_arfcn = -1; static int hf_gsmtap_uplink = -1; static int hf_gsmtap_pcs = -1; static int hf_gsmtap_signal_dbm = -1; static int hf_gsmtap_snr_db = -1; static int hf_gsmtap_frame_nr = -1; static int hf_gsmtap_burst_type = -1; static int hf_gsmtap_channel_type = -1; static int hf_gsmtap_tetra_channel_type = -1; static int hf_gsmtap_gmr1_channel_type = -1; static int hf_gsmtap_rrc_sub_type = -1; static int hf_gsmtap_e1t1_sub_type = -1; static int hf_gsmtap_antenna = -1; static int hf_sacch_l1h_power_lev = -1; static int hf_sacch_l1h_fpc = -1; static int hf_sacch_l1h_sro_srr = -1; static int hf_sacch_l1h_ta = -1; static int hf_ptcch_spare = -1; static int hf_ptcch_ta_idx = -1; static int hf_ptcch_ta_val = -1; static int hf_ptcch_padding = -1; static int hf_um_voice_type = -1; static gint ett_gsmtap = -1; enum { GSMTAP_SUB_DATA = 0, GSMTAP_SUB_UM, GSMTAP_SUB_UM_LAPDM, GSMTAP_SUB_UM_RLC_MAC_UL, GSMTAP_SUB_UM_RLC_MAC_DL, GSMTAP_SUB_LLC, GSMTAP_SUB_SNDCP, GSMTAP_SUB_ABIS, /* WiMAX sub handles */ GSMTAP_SUB_CDMA_CODE, GSMTAP_SUB_FCH, GSMTAP_SUB_FFB, GSMTAP_SUB_PDU, GSMTAP_SUB_HACK, GSMTAP_SUB_PHY_ATTRIBUTES, GSMTAP_SUB_CBCH, GSMTAP_SUB_SIM, /* GMR-1 sub handles */ GSMTAP_SUB_GMR1_BCCH, GSMTAP_SUB_GMR1_CCCH, GSMTAP_SUB_GMR1_LAPSAT, GSMTAP_SUB_GMR1_RACH, /* UMTS */ GSMTAP_SUB_UMTS_RLC_MAC, GSMTAP_SUB_UMTS_RRC, /* LTE*/ GSMTAP_SUB_LTE_RRC, GSMTAP_SUB_LTE_NAS, GSMTAP_SUB_LAPD, GSMTAP_SUB_FR, GSMTAP_SUB_MAX }; enum { GSMTAP_RRC_SUB_DL_DCCH_Message = 0, GSMTAP_RRC_SUB_UL_DCCH_Message, GSMTAP_RRC_SUB_DL_CCCH_Message, GSMTAP_RRC_SUB_UL_CCCH_Message, GSMTAP_RRC_SUB_PCCH_Message, GSMTAP_RRC_SUB_DL_SHCCH_Message, GSMTAP_RRC_SUB_UL_SHCCH_Message, GSMTAP_RRC_SUB_BCCH_FACH_Message, GSMTAP_RRC_SUB_BCCH_BCH_Message, GSMTAP_RRC_SUB_MCCH_Message, GSMTAP_RRC_SUB_MSCH_Message, GSMTAP_RRC_SUB_HandoverToUTRANCommand, GSMTAP_RRC_SUB_InterRATHandoverInfo, GSMTAP_RRC_SUB_SystemInformation_BCH, GSMTAP_RRC_SUB_System_Information_Container, GSMTAP_RRC_SUB_UE_RadioAccessCapabilityInfo, GSMTAP_RRC_SUB_MasterInformationBlock, GSMTAP_RRC_SUB_SysInfoType1, GSMTAP_RRC_SUB_SysInfoType2, GSMTAP_RRC_SUB_SysInfoType3, GSMTAP_RRC_SUB_SysInfoType4, GSMTAP_RRC_SUB_SysInfoType5, GSMTAP_RRC_SUB_SysInfoType5bis, GSMTAP_RRC_SUB_SysInfoType6, GSMTAP_RRC_SUB_SysInfoType7, GSMTAP_RRC_SUB_SysInfoType8, GSMTAP_RRC_SUB_SysInfoType9, GSMTAP_RRC_SUB_SysInfoType10, GSMTAP_RRC_SUB_SysInfoType11, GSMTAP_RRC_SUB_SysInfoType11bis, GSMTAP_RRC_SUB_SysInfoType12, GSMTAP_RRC_SUB_SysInfoType13, GSMTAP_RRC_SUB_SysInfoType13_1, GSMTAP_RRC_SUB_SysInfoType13_2, GSMTAP_RRC_SUB_SysInfoType13_3, GSMTAP_RRC_SUB_SysInfoType13_4, GSMTAP_RRC_SUB_SysInfoType14, GSMTAP_RRC_SUB_SysInfoType15, GSMTAP_RRC_SUB_SysInfoType15bis, GSMTAP_RRC_SUB_SysInfoType15_1, GSMTAP_RRC_SUB_SysInfoType15_1bis, GSMTAP_RRC_SUB_SysInfoType15_2, GSMTAP_RRC_SUB_SysInfoType15_2bis, GSMTAP_RRC_SUB_SysInfoType15_2ter, GSMTAP_RRC_SUB_SysInfoType15_3, GSMTAP_RRC_SUB_SysInfoType15_3bis, GSMTAP_RRC_SUB_SysInfoType15_4, GSMTAP_RRC_SUB_SysInfoType15_5, GSMTAP_RRC_SUB_SysInfoType15_6, GSMTAP_RRC_SUB_SysInfoType15_7, GSMTAP_RRC_SUB_SysInfoType15_8, GSMTAP_RRC_SUB_SysInfoType16, GSMTAP_RRC_SUB_SysInfoType17, GSMTAP_RRC_SUB_SysInfoType18, GSMTAP_RRC_SUB_SysInfoType19, GSMTAP_RRC_SUB_SysInfoType20, GSMTAP_RRC_SUB_SysInfoType21, GSMTAP_RRC_SUB_SysInfoType22, GSMTAP_RRC_SUB_SysInfoTypeSB1, GSMTAP_RRC_SUB_SysInfoTypeSB2, GSMTAP_RRC_SUB_ToTargetRNC_Container, GSMTAP_RRC_SUB_TargetRNC_ToSourceRNC_Container, GSMTAP_RRC_SUB_MAX }; static const value_string rrc_sub_types[] = { { GSMTAP_RRC_SUB_DL_DCCH_Message, "RRC DL-DCCH" }, { GSMTAP_RRC_SUB_UL_DCCH_Message, "RRC UL-DCCH" }, { GSMTAP_RRC_SUB_DL_CCCH_Message, "RRC DL-CCCH" }, { GSMTAP_RRC_SUB_UL_CCCH_Message, "RRC UL-CCCH" }, { GSMTAP_RRC_SUB_PCCH_Message, "RRC PCCH" }, { GSMTAP_RRC_SUB_DL_SHCCH_Message, "RRC DL-SHCCH" }, { GSMTAP_RRC_SUB_UL_SHCCH_Message, "RRC UL-SHCCH" }, { GSMTAP_RRC_SUB_BCCH_FACH_Message, "RRC BCCH-FACH" }, { GSMTAP_RRC_SUB_BCCH_BCH_Message, "RRC BCCH-BCH" }, { GSMTAP_RRC_SUB_MCCH_Message, "RRC MCCH" }, { GSMTAP_RRC_SUB_MSCH_Message, "RRC MSCH" }, { GSMTAP_RRC_SUB_HandoverToUTRANCommand, "RRC Handover To UTRAN Command" }, { GSMTAP_RRC_SUB_InterRATHandoverInfo, "RRC Inter RAT Handover Info" }, { GSMTAP_RRC_SUB_SystemInformation_BCH, "RRC System Information - BCH" }, { GSMTAP_RRC_SUB_System_Information_Container, "RRC System Information Container" }, { GSMTAP_RRC_SUB_UE_RadioAccessCapabilityInfo, "RRC UE Radio Access Capability Info" }, { GSMTAP_RRC_SUB_MasterInformationBlock, "RRC Master Information Block" }, { GSMTAP_RRC_SUB_SysInfoType1, "RRC System Information Type 1" }, { GSMTAP_RRC_SUB_SysInfoType2, "RRC System Information Type 2" }, { GSMTAP_RRC_SUB_SysInfoType3, "RRC System Information Type 3" }, { GSMTAP_RRC_SUB_SysInfoType4, "RRC System Information Type 4" }, { GSMTAP_RRC_SUB_SysInfoType5, "RRC System Information Type 5" }, { GSMTAP_RRC_SUB_SysInfoType5bis, "RRC System Information Type 5bis" }, { GSMTAP_RRC_SUB_SysInfoType6, "RRC System Information Type 6" }, { GSMTAP_RRC_SUB_SysInfoType7, "RRC System Information Type 7" }, { GSMTAP_RRC_SUB_SysInfoType8, "RRC System Information Type 8" }, { GSMTAP_RRC_SUB_SysInfoType9, "RRC System Information Type 9" }, { GSMTAP_RRC_SUB_SysInfoType10, "RRC System Information Type 10" }, { GSMTAP_RRC_SUB_SysInfoType11, "RRC System Information Type 11" }, { GSMTAP_RRC_SUB_SysInfoType11bis, "RRC System Information Type 11bis" }, { GSMTAP_RRC_SUB_SysInfoType12, "RRC System Information Type 12" }, { GSMTAP_RRC_SUB_SysInfoType13, "RRC System Information Type 13" }, { GSMTAP_RRC_SUB_SysInfoType13_1, "RRC System Information Type 13.1" }, { GSMTAP_RRC_SUB_SysInfoType13_2, "RRC System Information Type 13.2" }, { GSMTAP_RRC_SUB_SysInfoType13_3, "RRC System Information Type 13.3" }, { GSMTAP_RRC_SUB_SysInfoType13_4, "RRC System Information Type 13.4" }, { GSMTAP_RRC_SUB_SysInfoType14, "RRC System Information Type 14" }, { GSMTAP_RRC_SUB_SysInfoType15, "RRC System Information Type 15" }, { GSMTAP_RRC_SUB_SysInfoType15bis, "RRC System Information Type 15bis" }, { GSMTAP_RRC_SUB_SysInfoType15_1, "RRC System Information Type 15.1" }, { GSMTAP_RRC_SUB_SysInfoType15_1bis, "RRC System Information Type 15.1bis" }, { GSMTAP_RRC_SUB_SysInfoType15_2, "RRC System Information Type 15.1" }, { GSMTAP_RRC_SUB_SysInfoType15_2bis, "RRC System Information Type 15.2bis" }, { GSMTAP_RRC_SUB_SysInfoType15_2ter, "RRC System Information Type 15.2ter" }, { GSMTAP_RRC_SUB_SysInfoType15_3, "RRC System Information Type 15.3" }, { GSMTAP_RRC_SUB_SysInfoType15_3bis, "RRC System Information Type 15.3bis" }, { GSMTAP_RRC_SUB_SysInfoType15_4, "RRC System Information Type 15.4" }, { GSMTAP_RRC_SUB_SysInfoType15_5, "RRC System Information Type 15.5" }, { GSMTAP_RRC_SUB_SysInfoType15_6, "RRC System Information Type 15.6" }, { GSMTAP_RRC_SUB_SysInfoType15_7, "RRC System Information Type 15.7 "}, { GSMTAP_RRC_SUB_SysInfoType15_8, "RRC System Information Type 15.8" }, { GSMTAP_RRC_SUB_SysInfoType16, "RRC System Information Type 16" }, { GSMTAP_RRC_SUB_SysInfoType17, "RRC System Information Type 17" }, { GSMTAP_RRC_SUB_SysInfoType18, "RRC System Information Type 18" }, { GSMTAP_RRC_SUB_SysInfoType19, "RRC System Information Type 19" }, { GSMTAP_RRC_SUB_SysInfoType20, "RRC System Information Type 20" }, { GSMTAP_RRC_SUB_SysInfoType21, "RRC System Information Type 21" }, { GSMTAP_RRC_SUB_SysInfoType22, "RRC System Information Type 22" }, { GSMTAP_RRC_SUB_SysInfoTypeSB1, "RRC System Information Type SB 1" }, { GSMTAP_RRC_SUB_SysInfoTypeSB2, "RRC System Information Type SB 2" }, { GSMTAP_RRC_SUB_ToTargetRNC_Container, "RRC To Target RNC Container" }, { GSMTAP_RRC_SUB_TargetRNC_ToSourceRNC_Container, "RRC Target RNC To Source RNC Container" }, { 0, NULL } }; /* LTE RRC message types */ enum { GSMTAP_LTE_RRC_SUB_DL_CCCH_Message = 0, GSMTAP_LTE_RRC_SUB_DL_DCCH_Message, GSMTAP_LTE_RRC_SUB_UL_CCCH_Message, GSMTAP_LTE_RRC_SUB_UL_DCCH_Message, GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message, GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message, GSMTAP_LTE_RRC_SUB_PCCH_Message, GSMTAP_LTE_RRC_SUB_MCCH_Message, GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_MBMS, GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_BR, GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_MBMS, GSMTAP_LTE_RRC_SUB_SC_MCCH_Message, GSMTAP_LTE_RRC_SUB_SBCCH_SL_BCH_Message, GSMTAP_LTE_RRC_SUB_SBCCH_SL_BCH_Message_V2X, GSMTAP_LTE_RRC_SUB_DL_CCCH_Message_NB, GSMTAP_LTE_RRC_SUB_DL_DCCH_Message_NB, GSMTAP_LTE_RRC_SUB_UL_CCCH_Message_NB, GSMTAP_LTE_RRC_SUB_UL_DCCH_Message_NB, GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_NB, GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_TDD_NB, GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_NB, GSMTAP_LTE_RRC_SUB_PCCH_Message_NB, GSMTAP_LTE_RRC_SUB_SC_MCCH_Message_NB, GSMTAP_LTE_RRC_SUB_MAX }; /* LTE NAS message types */ enum { GSMTAP_LTE_NAS_PLAIN = 0, GSMTAP_LTE_NAS_SEC_HEADER, GSMTAP_LTE_NAS_SUB_MAX }; /*! First byte of type==GSMTAP_TYPE_UM sub_type==GSMTAP_CHANNEL_VOICE payload */ enum gsmtap_um_voice_type { /*! 1 byte TOC + 112 bits (14 octets) = 15 octets payload; * Reference is RFC5993 Section 5.2.1 + 3GPP TS 46.030 Annex B */ GSMTAP_UM_VOICE_HR, /*! 33 payload bytes; Reference is RFC3551 Section 4.5.8.1 */ GSMTAP_UM_VOICE_FR, /*! 31 payload bytes; Reference is RFC3551 Section 4.5.9 + ETSI TS 101 318 */ GSMTAP_UM_VOICE_EFR, /*! 1 byte TOC + 5..31 bytes = 6..32 bytes payload; RFC4867 octet-aligned */ GSMTAP_UM_VOICE_AMR, /* TODO: Revisit the types below; their usage; ... */ GSMTAP_UM_VOICE_AMR_SID_BAD, GSMTAP_UM_VOICE_AMR_ONSET, GSMTAP_UM_VOICE_AMR_RATSCCH, GSMTAP_UM_VOICE_AMR_SID_UPDATE_INH, GSMTAP_UM_VOICE_AMR_SID_FIRST_P1, GSMTAP_UM_VOICE_AMR_SID_FIRST_P2, GSMTAP_UM_VOICE_AMR_SID_FIRST_INH, GSMTAP_UM_VOICE_AMR_RATSCCH_MARKER, GSMTAP_UM_VOICE_AMR_RATSCCH_DATA, }; static dissector_handle_t sub_handles[GSMTAP_SUB_MAX]; static dissector_handle_t rrc_sub_handles[GSMTAP_RRC_SUB_MAX]; static dissector_handle_t lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_MAX]; static dissector_handle_t lte_nas_sub_handles[GSMTAP_LTE_NAS_SUB_MAX]; static dissector_table_t gsmtap_dissector_table; static const value_string gsmtap_bursts[] = { { GSMTAP_BURST_UNKNOWN, "UNKNOWN" }, { GSMTAP_BURST_FCCH, "FCCH" }, { GSMTAP_BURST_PARTIAL_SCH, "PARTIAL SCH" }, { GSMTAP_BURST_SCH, "SCH" }, { GSMTAP_BURST_CTS_SCH, "CTS SCH" }, { GSMTAP_BURST_COMPACT_SCH, "COMPACT SCH" }, { GSMTAP_BURST_NORMAL, "NORMAL" }, { GSMTAP_BURST_DUMMY, "DUMMY" }, { GSMTAP_BURST_ACCESS, "RACH" }, /* WiMAX bursts */ { GSMTAP_BURST_CDMA_CODE, "CDMA Code" }, { GSMTAP_BURST_FCH, "FCH" }, { GSMTAP_BURST_FFB, "Fast Feedback" }, { GSMTAP_BURST_PDU, "PDU" }, { GSMTAP_BURST_HACK, "HACK" }, { GSMTAP_BURST_PHY_ATTRIBUTES, "PHY Attributes" }, { 0, NULL }, }; static const value_string gsmtap_channels[] = { { GSMTAP_CHANNEL_UNKNOWN, "UNKNOWN" }, { GSMTAP_CHANNEL_BCCH, "BCCH" }, { GSMTAP_CHANNEL_CCCH, "CCCH" }, { GSMTAP_CHANNEL_RACH, "RACH" }, { GSMTAP_CHANNEL_AGCH, "AGCH" }, { GSMTAP_CHANNEL_PCH, "PCH" }, { GSMTAP_CHANNEL_SDCCH, "SDCCH" }, { GSMTAP_CHANNEL_SDCCH4, "SDCCH/4" }, { GSMTAP_CHANNEL_SDCCH8, "SDCCH/8" }, { GSMTAP_CHANNEL_TCH_F, "FACCH/F" }, { GSMTAP_CHANNEL_TCH_H, "FACCH/H" }, { GSMTAP_CHANNEL_PACCH, "PACCH" }, { GSMTAP_CHANNEL_CBCH52, "CBCH" }, { GSMTAP_CHANNEL_PDTCH, "PDTCH" }, { GSMTAP_CHANNEL_PTCCH, "PTTCH" }, { GSMTAP_CHANNEL_CBCH51, "CBCH" }, { GSMTAP_CHANNEL_VOICE_F, "TCH/F" }, { GSMTAP_CHANNEL_VOICE_H, "TCH/H" }, { GSMTAP_CHANNEL_ACCH| GSMTAP_CHANNEL_SDCCH, "LSACCH" }, { GSMTAP_CHANNEL_ACCH| GSMTAP_CHANNEL_SDCCH4, "SACCH/4" }, { GSMTAP_CHANNEL_ACCH| GSMTAP_CHANNEL_SDCCH8, "SACCH/8" }, { GSMTAP_CHANNEL_ACCH| GSMTAP_CHANNEL_TCH_F, "SACCH/F" }, { GSMTAP_CHANNEL_ACCH| GSMTAP_CHANNEL_TCH_H, "SACCH/H" }, { 0, NULL }, }; static const value_string gsmtap_tetra_channels[] = { { GSMTAP_TETRA_BSCH, "BSCH" }, { GSMTAP_TETRA_AACH, "AACH" }, { GSMTAP_TETRA_SCH_HU, "SCH/HU" }, { GSMTAP_TETRA_SCH_HD, "SCH/HD" }, { GSMTAP_TETRA_SCH_F, "SCH/F" }, { GSMTAP_TETRA_BNCH, "BNCH" }, { GSMTAP_TETRA_STCH, "STCH" }, { GSMTAP_TETRA_TCH_F, "AACH" }, { 0, NULL }, }; static const value_string gsmtap_gmr1_channels[] = { { GSMTAP_GMR1_BCCH, "BCCH" }, { GSMTAP_GMR1_CCCH, "CCCH" }, { GSMTAP_GMR1_PCH, "PCH" }, { GSMTAP_GMR1_AGCH, "AGCH" }, { GSMTAP_GMR1_BACH, "BACH" }, { GSMTAP_GMR1_RACH, "RACH" }, { GSMTAP_GMR1_CBCH, "CBCH" }, { GSMTAP_GMR1_SDCCH, "SDCCH" }, { GSMTAP_GMR1_TACCH, "TACCH" }, { GSMTAP_GMR1_GBCH, "GBCH" }, { GSMTAP_GMR1_TCH3, "TCH3" }, { GSMTAP_GMR1_TCH3| GSMTAP_GMR1_FACCH, "FACCH3" }, { GSMTAP_GMR1_TCH3| GSMTAP_GMR1_DKAB, "DKAB" }, { GSMTAP_GMR1_TCH6, "TCH6" }, { GSMTAP_GMR1_TCH6| GSMTAP_GMR1_FACCH, "FACCH6" }, { GSMTAP_GMR1_TCH6| GSMTAP_GMR1_SACCH, "SACCH6" }, { GSMTAP_GMR1_TCH9, "TCH9" }, { GSMTAP_GMR1_TCH9| GSMTAP_GMR1_FACCH, "FACCH9" }, { GSMTAP_GMR1_TCH9| GSMTAP_GMR1_SACCH, "SACCH9" }, { 0, NULL }, }; /* the mapping is not complete */ static const int gsmtap_to_tetra[9] = { 0, TETRA_CHAN_BSCH, TETRA_CHAN_AACH, TETRA_CHAN_SCH_HU, 0, TETRA_CHAN_SCH_F, TETRA_CHAN_BNCH, TETRA_CHAN_STCH, 0 }; static const value_string gsmtap_types[] = { { GSMTAP_TYPE_UM, "GSM Um (MS<->BTS)" }, { GSMTAP_TYPE_ABIS, "GSM Abis (BTS<->BSC)" }, { GSMTAP_TYPE_UM_BURST, "GSM Um burst (MS<->BTS)" }, { GSMTAP_TYPE_SIM, "SIM" }, { GSMTAP_TYPE_TETRA_I1, "TETRA V+D"}, { GSMTAP_TTPE_TETRA_I1_BURST, "TETRA V+D burst"}, { GSMTAP_TYPE_WMX_BURST,"WiMAX burst" }, { GSMTAP_TYPE_GMR1_UM, "GMR-1 air interface (MES-MS<->GTS)" }, { GSMTAP_TYPE_UMTS_RLC_MAC, "UMTS RLC/MAC" }, { GSMTAP_TYPE_UMTS_RRC, "UMTS RRC" }, { GSMTAP_TYPE_LTE_RRC, "LTE RRC" }, { GSMTAP_TYPE_LTE_MAC, "LTE MAC" }, { GSMTAP_TYPE_LTE_MAC_FRAMED, "LTE MAC framed" }, { GSMTAP_TYPE_OSMOCORE_LOG, "libosmocore logging" }, { GSMTAP_TYPE_QC_DIAG, "Qualcomm DIAG" }, { GSMTAP_TYPE_LTE_NAS, "LTE NAS" }, { GSMTAP_TYPE_E1T1, "E1/T1" }, { 0, NULL }, }; static const value_string gsmtap_um_voice_types[] = { { GSMTAP_UM_VOICE_HR, "HR" }, { GSMTAP_UM_VOICE_FR, "FR" }, { GSMTAP_UM_VOICE_EFR, "EFR" }, { GSMTAP_UM_VOICE_AMR, "AMR" }, { GSMTAP_UM_VOICE_AMR_SID_BAD, "AMR_SID_BAD" }, { GSMTAP_UM_VOICE_AMR_ONSET, "AMR_ONSET" }, { GSMTAP_UM_VOICE_AMR_RATSCCH, "AMR_RATSCCH" }, { GSMTAP_UM_VOICE_AMR_SID_UPDATE_INH, "AMR_SID_UPDATE_INH" }, { GSMTAP_UM_VOICE_AMR_SID_FIRST_P1, "AMR_SID_FIRST_P1" }, { GSMTAP_UM_VOICE_AMR_SID_FIRST_P2, "AMR_SID_FIRST_P2" }, { GSMTAP_UM_VOICE_AMR_SID_FIRST_INH, "AMR_SID_FIRST_INH" }, { GSMTAP_UM_VOICE_AMR_RATSCCH_MARKER, "AMR_RATSCCH_MARKER" }, { GSMTAP_UM_VOICE_AMR_RATSCCH_DATA, "AMR_RATSCCH_DATA" }, { 0, NULL }, }; static const value_string gsmtap_um_e1t1_types[] = { { GSMTAP_E1T1_LAPD, "LAPD" }, /* ISDN LAPD Q.921 */ { GSMTAP_E1T1_FR, "FR" }, /* Frame Relay */ { GSMTAP_E1T1_RAW, "RAW" }, /* RAW/transparent B-channels */ { GSMTAP_E1T1_TRAU16, "TRAU 16k" }, /* 16k/s sub-channels (I.460) with GSM TRAU frames */ { GSMTAP_E1T1_TRAU8, "TRAU 8k" }, /* 8k/s sub-channels (I.460) with GSM TRAU frames */ { 0, NULL }, }; /* dissect a SACCH L1 header which is included in the first 2 bytes * of every SACCH frame (according to TS 04.04) */ static void dissect_sacch_l1h(tvbuff_t *tvb, proto_tree *tree) { proto_item *ti; proto_tree *l1h_tree = NULL; if (!tree) return; ti = proto_tree_add_protocol_format(tree, proto_gsmtap, tvb, 0, 2, "SACCH L1 Header, Power Level: %u, Timing Advance: %u", tvb_get_guint8(tvb, 0) & 0x1f, tvb_get_guint8(tvb, 1)); l1h_tree = proto_item_add_subtree(ti, ett_gsmtap); /* Power Level */ proto_tree_add_item(l1h_tree, hf_sacch_l1h_power_lev, tvb, 0, 1, ENC_BIG_ENDIAN); /* Fast Power Control */ proto_tree_add_item(l1h_tree, hf_sacch_l1h_fpc, tvb, 0, 1, ENC_BIG_ENDIAN); /* SRO/SRR (SACCH Repetition) bit */ proto_tree_add_item(l1h_tree, hf_sacch_l1h_sro_srr, tvb, 0, 1, ENC_BIG_ENDIAN); /* Acutal Timing Advance */ proto_tree_add_item(l1h_tree, hf_sacch_l1h_ta, tvb, 1, 1, ENC_BIG_ENDIAN); } /* Dissect a PTCCH/D (Packet Timing Advance Control Channel) message. * See 3GPP TS 45.010, section 5.6.2 and 3GPP TS 45.002, section 3.3.4.2. * * +--------------+--------------+-----+---------------+------------------+ * | Octet 1 | Octet 2 | | Octet 16 | Octet 17 .. 23 | * +---+----------+---+----------+-----+---+-----------+------------------+ * | 0 | TA TAI=0 | 0 | TA TAI=1 | ... | 0 | TA TAI=15 | Padding 00101011 | * +---+----------+---+----------+-----+---+-----------+------------------+ */ static void dissect_ptcch_dl(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { proto_tree *sub_tree; proto_item *ti, *gi; int offset; col_set_str(pinfo->cinfo, COL_INFO, "Packet Timing Advance Control"); if (!tree) return; ti = proto_tree_add_protocol_format(tree, proto_gsmtap, tvb, 0, 23, "PTCCH (Packet Timing Advance Control Channel) on Downlink"); sub_tree = proto_item_add_subtree(ti, ett_gsmtap); for (offset = 0; offset < 16; offset++) { /* Meta info: Timing Advance Index */ gi = proto_tree_add_uint(sub_tree, hf_ptcch_ta_idx, tvb, 0, 0, offset); proto_item_set_generated(gi); proto_tree_add_item(sub_tree, hf_ptcch_spare, tvb, offset, 1, ENC_NA); proto_tree_add_item(sub_tree, hf_ptcch_ta_val, tvb, offset, 1, ENC_NA); } /* Spare padding */ proto_tree_add_item(sub_tree, hf_ptcch_padding, tvb, offset, -1, ENC_NA); } static void handle_lapdm(guint8 sub_type, tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { lapdm_data_t ld; ld.hdr_type = LAPDM_HDR_FMT_B; /* only downlink SACCH frames use B4 header format */ if (sub_type & GSMTAP_CHANNEL_ACCH && pinfo->p2p_dir == P2P_DIR_RECV) ld.hdr_type = LAPDM_HDR_FMT_B4; call_dissector_with_data(sub_handles[GSMTAP_SUB_UM_LAPDM], tvb, pinfo, tree, &ld); } static void dissect_um_voice(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { tvbuff_t *payload_tvb; guint8 vtype = tvb_get_guint8(tvb, 0); col_add_fstr(pinfo->cinfo, COL_INFO, "GSM CS User Plane (Voice/CSD): %s", val_to_str(vtype, gsmtap_um_voice_types, "Unknown %d")); proto_tree_add_item(tree, hf_um_voice_type, tvb, 0, 1, ENC_NA); payload_tvb = tvb_new_subset_length(tvb, 1, tvb_reported_length(tvb)-1); call_dissector(sub_handles[GSMTAP_SUB_DATA], payload_tvb, pinfo, tree); } static void handle_tetra(int channel, tvbuff_t *payload_tvb, packet_info *pinfo, proto_tree *tree) { int tetra_chan; if (channel < 0 || channel > GSMTAP_TETRA_TCH_F) return; tetra_chan = gsmtap_to_tetra[channel]; if (tetra_chan <= 0) return; tetra_dissect_pdu(tetra_chan, TETRA_DOWNLINK, payload_tvb, tree, pinfo); } /* length of an EGPRS RLC data block for given MCS */ static const guint data_block_len_by_mcs[] = { 0, /* MCS0 */ 22, /* MCS1 */ 28, 37, 44, 56, 74, 56, 68, 74, /* MCS9 */ 0, /* MCS_INVALID */ }; /* determine the number of rlc data blocks and their size / offsets */ static void setup_rlc_mac_priv(RlcMacPrivateData_t *rm, gboolean is_uplink, guint *n_calls, guint *data_block_bits, guint *data_block_offsets) { guint nc, dbl = 0, dbo[2] = {0,0}; dbl = data_block_len_by_mcs[rm->mcs]; switch (rm->block_format) { case RLCMAC_HDR_TYPE_1: nc = 3; dbo[0] = is_uplink ? 5*8 + 6 : 5*8 + 0; dbo[1] = dbo[0] + dbl * 8 + 2; break; case RLCMAC_HDR_TYPE_2: nc = 2; dbo[0] = is_uplink ? 4*8 + 5 : 3*8 + 4; break; case RLCMAC_HDR_TYPE_3: nc = 2; dbo[0] = 3*8 + 7; break; default: nc = 1; break; } *n_calls = nc; *data_block_bits = dbl * 8 + 2; data_block_offsets[0] = dbo[0]; data_block_offsets[1] = dbo[1]; } /* bit-shift the entire 'src' of length 'length_bytes' by 'offset_bits' * and store the reuslt to caller-allocated 'buffer'. The shifting is * done lsb-first, unlike tvb_new_octet_aligned() */ static void clone_aligned_buffer_lsbf(guint offset_bits, guint length_bytes, const guint8 *src, guint8 *buffer) { guint hdr_bytes; guint extra_bits; guint i; guint8 c, last_c; guint8 *dst; hdr_bytes = offset_bits / 8; extra_bits = offset_bits % 8; if (extra_bits == 0) { /* It is aligned already */ memmove(buffer, src + hdr_bytes, length_bytes); return; } dst = buffer; src = src + hdr_bytes; last_c = *(src++); for (i = 0; i < length_bytes; i++) { c = src[i]; *(dst++) = (last_c >> extra_bits) | (c << (8 - extra_bits)); last_c = c; } } /* obtain an (aligned) EGPRS data block with given bit-offset and * bit-length from the parent TVB */ static tvbuff_t *get_egprs_data_block(tvbuff_t *tvb, guint offset_bits, guint length_bits, packet_info *pinfo) { tvbuff_t *aligned_tvb; const guint initial_spare_bits = 6; guint8 *aligned_buf; guint min_src_length_bytes = (offset_bits + length_bits + 7) / 8; guint length_bytes = (initial_spare_bits + length_bits + 7) / 8; tvb_ensure_bytes_exist(tvb, 0, min_src_length_bytes); aligned_buf = (guint8 *) wmem_alloc(pinfo->pool, length_bytes); /* Copy the data out of the tvb to an aligned buffer */ clone_aligned_buffer_lsbf( offset_bits - initial_spare_bits, length_bytes, tvb_get_ptr(tvb, 0, min_src_length_bytes), aligned_buf); /* clear spare bits and move block header bits to the right */ aligned_buf[0] = aligned_buf[0] >> initial_spare_bits; aligned_tvb = tvb_new_child_real_data(tvb, aligned_buf, length_bytes, length_bytes); add_new_data_source(pinfo, aligned_tvb, "Aligned EGPRS data bits"); return aligned_tvb; } static void tvb_len_get_mcs_and_fmt(guint len, gboolean is_uplink, guint *frm, guint8 *mcs) { if (len <= 5 && is_uplink) { /* Assume random access burst */ *frm = RLCMAC_PRACH; *mcs = 0; return; } switch (len) { case 23: *frm = RLCMAC_CS1; *mcs = 0; break; case 34: *frm = RLCMAC_CS2; *mcs = 0; break; case 40: *frm = RLCMAC_CS3; *mcs = 0; break; case 54: *frm = RLCMAC_CS4; *mcs = 0; break; case 27: *frm = RLCMAC_HDR_TYPE_3; *mcs = 1; break; case 33: *frm = RLCMAC_HDR_TYPE_3; *mcs = 2; break; case 42: *frm = RLCMAC_HDR_TYPE_3; *mcs = 3; break; case 49: *frm = RLCMAC_HDR_TYPE_3; *mcs = 4; break; case 60: /* fall through */ case 61: *frm = RLCMAC_HDR_TYPE_2; *mcs = 5; break; case 78: /* fall through */ case 79: *frm = RLCMAC_HDR_TYPE_2; *mcs = 6; break; case 118: /* fall through */ case 119: *frm = RLCMAC_HDR_TYPE_1; *mcs = 7; break; case 142: /* fall through */ case 143: *frm = RLCMAC_HDR_TYPE_1; *mcs = 8; break; case 154: /* fall through */ case 155: *frm = RLCMAC_HDR_TYPE_1; *mcs = 9; break; default: *frm = RLCMAC_CS1; *mcs = 0; break; /* TODO: report error instead */ } } static void handle_rlcmac(guint32 frame_nr, tvbuff_t *payload_tvb, packet_info *pinfo, proto_tree *tree) { int sub_handle; RlcMacPrivateData_t rlcmac_data = {0}; tvbuff_t *data_tvb; guint data_block_bits, data_block_offsets[2]; guint num_calls; gboolean is_uplink; if (pinfo->p2p_dir == P2P_DIR_SENT) { is_uplink = 1; sub_handle = GSMTAP_SUB_UM_RLC_MAC_UL; } else { is_uplink = 0; sub_handle = GSMTAP_SUB_UM_RLC_MAC_DL; } rlcmac_data.magic = GSM_RLC_MAC_MAGIC_NUMBER; rlcmac_data.frame_number = frame_nr; tvb_len_get_mcs_and_fmt(tvb_reported_length(payload_tvb), is_uplink, (guint *) &rlcmac_data.block_format, (guint8 *) &rlcmac_data.mcs); switch (rlcmac_data.block_format) { case RLCMAC_HDR_TYPE_1: case RLCMAC_HDR_TYPE_2: case RLCMAC_HDR_TYPE_3: /* First call of RLC/MAC dissector for header */ call_dissector_with_data(sub_handles[sub_handle], payload_tvb, pinfo, tree, (void *) &rlcmac_data); /* now determine how to proceed for data */ setup_rlc_mac_priv(&rlcmac_data, is_uplink, &num_calls, &data_block_bits, data_block_offsets); /* and call dissector one or two time for the data blocks */ if (num_calls >= 2) { rlcmac_data.flags = GSM_RLC_MAC_EGPRS_BLOCK1; data_tvb = get_egprs_data_block(payload_tvb, data_block_offsets[0], data_block_bits, pinfo); call_dissector_with_data(sub_handles[sub_handle], data_tvb, pinfo, tree, (void *) &rlcmac_data); } if (num_calls == 3) { rlcmac_data.flags = GSM_RLC_MAC_EGPRS_BLOCK2; data_tvb = get_egprs_data_block(payload_tvb, data_block_offsets[1], data_block_bits, pinfo); call_dissector_with_data(sub_handles[sub_handle], data_tvb, pinfo, tree, (void *) &rlcmac_data); } break; default: /* regular GPRS CS doesn't need any * shifting/re-alignment or even separate calls for * header and data blocks. We simply call the dissector * as-is */ call_dissector_with_data(sub_handles[sub_handle], payload_tvb, pinfo, tree, (void *) &rlcmac_data); } } /* dissect a GSMTAP header and hand payload off to respective dissector */ static int dissect_gsmtap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* data _U_) { int sub_handle, sub_handle_idx = 0, len, offset = 0; proto_item *ti; proto_tree *gsmtap_tree = NULL; tvbuff_t *payload_tvb, *l1h_tvb = NULL; guint8 hdr_len, type, sub_type, timeslot, subslot; guint16 arfcn; guint32 frame_nr; len = tvb_reported_length(tvb); hdr_len = tvb_get_guint8(tvb, offset + 1) <<2; type = tvb_get_guint8(tvb, offset + 2); timeslot = tvb_get_guint8(tvb, offset + 3); arfcn = tvb_get_ntohs(tvb, offset + 4); frame_nr = tvb_get_ntohl(tvb, offset + 8); sub_type = tvb_get_guint8(tvb, offset + 12); subslot = tvb_get_guint8(tvb, offset + 14); /* In case of a SACCH, there is a two-byte L1 header in front * of the packet (see TS 04.04) */ if (type == GSMTAP_TYPE_UM && sub_type & GSMTAP_CHANNEL_ACCH) { l1h_tvb = tvb_new_subset_length(tvb, hdr_len, 2); payload_tvb = tvb_new_subset_length(tvb, hdr_len+2, len-(hdr_len+2)); } else { payload_tvb = tvb_new_subset_length(tvb, hdr_len, len-hdr_len); } /* We don't want any UDP related info left in the INFO field, as the * gsm_a_dtap dissector will not clear but only append */ col_clear(pinfo->cinfo, COL_INFO); col_set_str(pinfo->cinfo, COL_PROTOCOL, "GSMTAP"); /* Some GSMTAP types are completely unrelated to the Um air interface */ if (dissector_try_uint(gsmtap_dissector_table, type, payload_tvb, pinfo, tree)) return tvb_captured_length(tvb); if (arfcn & GSMTAP_ARFCN_F_UPLINK) { col_set_str(pinfo->cinfo, COL_RES_NET_SRC, "MS"); col_set_str(pinfo->cinfo, COL_RES_NET_DST, "BTS"); /* p2p_dir is used by the LAPDm dissector */ pinfo->p2p_dir = P2P_DIR_SENT; } else { col_set_str(pinfo->cinfo, COL_RES_NET_SRC, "BTS"); switch (sub_type & ~GSMTAP_CHANNEL_ACCH) { case GSMTAP_CHANNEL_BCCH: case GSMTAP_CHANNEL_CCCH: case GSMTAP_CHANNEL_PCH: case GSMTAP_CHANNEL_AGCH: case GSMTAP_CHANNEL_CBCH51: case GSMTAP_CHANNEL_CBCH52: case GSMTAP_CHANNEL_PTCCH: col_set_str(pinfo->cinfo, COL_RES_NET_DST, "Broadcast"); break; default: col_set_str(pinfo->cinfo, COL_RES_NET_DST, "MS"); break; } /* p2p_dir is used by the LAPDm dissector */ pinfo->p2p_dir = P2P_DIR_RECV; } /* Try to build an identifier of different 'streams' */ /* (AFCN _cant_ be used because of hopping */ conversation_create_key_by_id(pinfo, CONVERSATION_GSMTAP, (timeslot << 3) | subslot); if (tree) { guint8 channel; const char *channel_str; channel = tvb_get_guint8(tvb, offset+12); if (type == GSMTAP_TYPE_TETRA_I1) channel_str = val_to_str(channel, gsmtap_tetra_channels, "Unknown: %d"); else if (type == GSMTAP_TYPE_GMR1_UM) channel_str = val_to_str(channel, gsmtap_gmr1_channels, "Unknown: %d"); else channel_str = val_to_str(channel, gsmtap_channels, "Unknown: %d"); ti = proto_tree_add_protocol_format(tree, proto_gsmtap, tvb, 0, hdr_len, "GSM TAP Header, ARFCN: %u (%s), TS: %u, Channel: %s (%u)", arfcn & GSMTAP_ARFCN_MASK, arfcn & GSMTAP_ARFCN_F_UPLINK ? "Uplink" : "Downlink", tvb_get_guint8(tvb, offset+3), channel_str, tvb_get_guint8(tvb, offset+14)); gsmtap_tree = proto_item_add_subtree(ti, ett_gsmtap); proto_tree_add_item(gsmtap_tree, hf_gsmtap_version, tvb, offset, 1, ENC_BIG_ENDIAN); proto_tree_add_uint(gsmtap_tree, hf_gsmtap_hdrlen, tvb, offset+1, 1, hdr_len); proto_tree_add_item(gsmtap_tree, hf_gsmtap_type, tvb, offset+2, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_timeslot, tvb, offset+3, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_arfcn, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_uplink, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_pcs, tvb, offset+4, 2, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_signal_dbm, tvb, offset+6, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_snr_db, tvb, offset+7, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_frame_nr, tvb, offset+8, 4, ENC_BIG_ENDIAN); if (type == GSMTAP_TYPE_UM_BURST) proto_tree_add_item(gsmtap_tree, hf_gsmtap_burst_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_UM) proto_tree_add_item(gsmtap_tree, hf_gsmtap_channel_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_TETRA_I1) proto_tree_add_item(gsmtap_tree, hf_gsmtap_tetra_channel_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_WMX_BURST) proto_tree_add_item(gsmtap_tree, hf_gsmtap_burst_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_GMR1_UM) proto_tree_add_item(gsmtap_tree, hf_gsmtap_gmr1_channel_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_UMTS_RRC) proto_tree_add_item(gsmtap_tree, hf_gsmtap_rrc_sub_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); else if (type == GSMTAP_TYPE_E1T1) proto_tree_add_item(gsmtap_tree, hf_gsmtap_e1t1_sub_type, tvb, offset+12, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_antenna, tvb, offset+13, 1, ENC_BIG_ENDIAN); proto_tree_add_item(gsmtap_tree, hf_gsmtap_subslot, tvb, offset+14, 1, ENC_BIG_ENDIAN); } switch (type) { case GSMTAP_TYPE_UMTS_RRC: sub_handle = GSMTAP_SUB_UMTS_RRC; sub_handle_idx = sub_type; if (sub_handle_idx >= GSMTAP_RRC_SUB_MAX) { sub_handle = GSMTAP_SUB_DATA; } /* make entry in the Protocol column on summary display. * Normally, the RRC dissector would be doing this, but * we are bypassing dissect_rrc() and directly call a * sub-dissector */ col_set_str(pinfo->cinfo, COL_PROTOCOL, "RRC"); break; case GSMTAP_TYPE_LTE_RRC: sub_handle = GSMTAP_SUB_LTE_RRC; sub_handle_idx = sub_type; if (sub_handle_idx >= GSMTAP_LTE_RRC_SUB_MAX) { sub_handle = GSMTAP_SUB_DATA; } /*Directly call the respective lte rrc message dissector */ break; case GSMTAP_TYPE_LTE_NAS: sub_handle = GSMTAP_SUB_LTE_NAS; sub_handle_idx = sub_type; if (sub_handle_idx >= GSMTAP_LTE_NAS_SUB_MAX) { sub_handle = GSMTAP_SUB_DATA; } break; case GSMTAP_TYPE_UM: if (l1h_tvb) dissect_sacch_l1h(l1h_tvb, tree); switch (sub_type & ~GSMTAP_CHANNEL_ACCH) { case GSMTAP_CHANNEL_BCCH: case GSMTAP_CHANNEL_CCCH: case GSMTAP_CHANNEL_PCH: case GSMTAP_CHANNEL_AGCH: /* FIXME: we might want to skip idle frames */ sub_handle = GSMTAP_SUB_UM; break; case GSMTAP_CHANNEL_SDCCH: case GSMTAP_CHANNEL_SDCCH4: case GSMTAP_CHANNEL_SDCCH8: case GSMTAP_CHANNEL_TCH_F: case GSMTAP_CHANNEL_TCH_H: handle_lapdm(sub_type, payload_tvb, pinfo, tree); return tvb_captured_length(tvb); case GSMTAP_CHANNEL_PACCH: if (pinfo->p2p_dir == P2P_DIR_SENT) { sub_handle = GSMTAP_SUB_UM_RLC_MAC_UL; } else { sub_handle = GSMTAP_SUB_UM_RLC_MAC_DL; } break; case GSMTAP_CHANNEL_PDTCH: handle_rlcmac(frame_nr, payload_tvb, pinfo, tree); return tvb_captured_length(tvb); /* See 3GPP TS 45.003, section 5.2 "Packet control channels" */ case GSMTAP_CHANNEL_PTCCH: /* PTCCH/D carries Timing Advance updates encoded with CS-1 */ if (pinfo->p2p_dir == P2P_DIR_RECV) { dissect_ptcch_dl(payload_tvb, pinfo, tree); return tvb_captured_length(tvb); } /* PTCCH/U carries Access Bursts for Timing Advance estimation */ sub_handle = GSMTAP_SUB_DATA; break; case GSMTAP_CHANNEL_CBCH51: case GSMTAP_CHANNEL_CBCH52: sub_handle = GSMTAP_SUB_CBCH; break; case GSMTAP_CHANNEL_VOICE_F: case GSMTAP_CHANNEL_VOICE_H: dissect_um_voice(payload_tvb, pinfo, tree); return tvb_captured_length(tvb); case GSMTAP_CHANNEL_RACH: default: sub_handle = GSMTAP_SUB_DATA; break; } break; case GSMTAP_TYPE_ABIS: sub_handle = GSMTAP_SUB_ABIS; break; case GSMTAP_TYPE_GB_LLC: sub_handle = GSMTAP_SUB_LLC; break; case GSMTAP_TYPE_GB_SNDCP: sub_handle = GSMTAP_SUB_SNDCP; break; case GSMTAP_TYPE_TETRA_I1: handle_tetra(tvb_get_guint8(tvb, offset+12), payload_tvb, pinfo, tree); return tvb_captured_length(tvb); case GSMTAP_TYPE_WMX_BURST: switch (sub_type) { case GSMTAP_BURST_CDMA_CODE: sub_handle = GSMTAP_SUB_CDMA_CODE; break; case GSMTAP_BURST_FCH: sub_handle = GSMTAP_SUB_FCH; break; case GSMTAP_BURST_FFB: sub_handle = GSMTAP_SUB_FFB; break; case GSMTAP_BURST_PDU: sub_handle = GSMTAP_SUB_PDU; break; case GSMTAP_BURST_HACK: sub_handle = GSMTAP_SUB_HACK; break; case GSMTAP_BURST_PHY_ATTRIBUTES: sub_handle = GSMTAP_SUB_PHY_ATTRIBUTES; break; default: sub_handle = GSMTAP_SUB_DATA; break; } break; case GSMTAP_TYPE_GMR1_UM: switch (sub_type) { case GSMTAP_GMR1_BCCH: sub_handle = GSMTAP_SUB_GMR1_BCCH; break; case GSMTAP_GMR1_CCCH: case GSMTAP_GMR1_AGCH: case GSMTAP_GMR1_PCH: sub_handle = GSMTAP_SUB_GMR1_CCCH; break; case GSMTAP_GMR1_SDCCH: case GSMTAP_GMR1_TCH3 | GSMTAP_GMR1_FACCH: case GSMTAP_GMR1_TCH6 | GSMTAP_GMR1_FACCH: case GSMTAP_GMR1_TCH9 | GSMTAP_GMR1_FACCH: sub_handle = GSMTAP_SUB_GMR1_LAPSAT; break; case GSMTAP_GMR1_RACH: sub_handle = GSMTAP_SUB_GMR1_RACH; break; default: sub_handle = GSMTAP_SUB_DATA; break; } break; case GSMTAP_TYPE_E1T1: switch (sub_type) { case GSMTAP_E1T1_LAPD: sub_handle = GSMTAP_SUB_LAPD; break; case GSMTAP_E1T1_FR: sub_handle = GSMTAP_SUB_FR; break; default: sub_handle = GSMTAP_SUB_DATA; break; } break; case GSMTAP_TYPE_UM_BURST: default: sub_handle = GSMTAP_SUB_DATA; break; } switch (sub_handle){ case GSMTAP_SUB_UMTS_RRC: call_dissector(rrc_sub_handles[sub_handle_idx], payload_tvb, pinfo, tree); break; case GSMTAP_SUB_LTE_RRC: call_dissector(lte_rrc_sub_handles[sub_handle_idx], payload_tvb, pinfo, tree); break; case GSMTAP_SUB_LTE_NAS: call_dissector(lte_nas_sub_handles[sub_handle_idx], payload_tvb, pinfo, tree); break; default: if (sub_handles[sub_handle] != NULL) call_dissector(sub_handles[sub_handle], payload_tvb, pinfo, tree); break; } /* TODO: warn user that the WiMAX plugin must be enabled for some types */ return tvb_captured_length(tvb); } static const true_false_string sacch_l1h_fpc_mode_vals = { "In use", "Not in use" }; void proto_register_gsmtap(void) { static hf_register_info hf[] = { { &hf_gsmtap_version, { "Version", "gsmtap.version", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_gsmtap_hdrlen, { "Header Length", "gsmtap.hdr_len", FT_UINT8, BASE_DEC|BASE_UNIT_STRING, &units_byte_bytes, 0, NULL, HFILL } }, { &hf_gsmtap_type, { "Payload Type", "gsmtap.type", FT_UINT8, BASE_DEC, VALS(gsmtap_types), 0, NULL, HFILL } }, { &hf_gsmtap_timeslot, { "Time Slot", "gsmtap.ts", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_gsmtap_arfcn, { "ARFCN", "gsmtap.arfcn", FT_UINT16, BASE_DEC, NULL, GSMTAP_ARFCN_MASK, NULL, HFILL } }, { &hf_gsmtap_uplink, { "Uplink", "gsmtap.uplink", FT_UINT16, BASE_DEC, NULL, GSMTAP_ARFCN_F_UPLINK, NULL, HFILL } }, { &hf_gsmtap_pcs, { "PCS band indicator", "gsmtap.pcs_band", FT_UINT16, BASE_DEC, NULL, GSMTAP_ARFCN_F_PCS, NULL, HFILL } }, { &hf_gsmtap_signal_dbm, { "Signal Level", "gsmtap.signal_dbm", FT_INT8, BASE_DEC | BASE_UNIT_STRING, &units_dbm, 0, NULL, HFILL } }, { &hf_gsmtap_snr_db, { "Signal/Noise Ratio", "gsmtap.snr_db", FT_INT8, BASE_DEC | BASE_UNIT_STRING, &units_decibels, 0, NULL, HFILL } }, { &hf_gsmtap_frame_nr, { "GSM Frame Number", "gsmtap.frame_nr", FT_UINT32, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_gsmtap_burst_type, { "Burst Type", "gsmtap.burst_type", FT_UINT8, BASE_DEC, VALS(gsmtap_bursts), 0, NULL, HFILL }}, { &hf_gsmtap_channel_type, { "Channel Type", "gsmtap.chan_type", FT_UINT8, BASE_DEC, VALS(gsmtap_channels), 0, NULL, HFILL }}, { &hf_gsmtap_tetra_channel_type, { "Channel Type", "gsmtap.tetra_chan_type", FT_UINT8, BASE_DEC, VALS(gsmtap_tetra_channels), 0, NULL, HFILL }}, { &hf_gsmtap_gmr1_channel_type, { "Channel Type", "gsmtap.gmr1_chan_type", FT_UINT8, BASE_DEC, VALS(gsmtap_gmr1_channels), 0, NULL, HFILL }}, { &hf_gsmtap_rrc_sub_type, { "Message Type", "gsmtap.rrc_sub_type", FT_UINT8, BASE_DEC, VALS(rrc_sub_types), 0, NULL, HFILL }}, { &hf_gsmtap_e1t1_sub_type, { "Channel Type", "gsmtap.e1t1_sub_type", FT_UINT8, BASE_DEC, VALS(gsmtap_um_e1t1_types), 0, NULL, HFILL }}, { &hf_gsmtap_antenna, { "Antenna Number", "gsmtap.antenna", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_gsmtap_subslot, { "Sub-Slot", "gsmtap.sub_slot", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_sacch_l1h_power_lev, { "MS power level", "gsmtap.sacch_l1.power_lev", FT_UINT8, BASE_DEC, NULL, 0x1f, NULL, HFILL } }, { &hf_sacch_l1h_fpc, { "FPC (Fast Power Control)", "gsmtap.sacch_l1.fpc", FT_BOOLEAN, 8, TFS(&sacch_l1h_fpc_mode_vals), 0x20, NULL, HFILL } }, { &hf_sacch_l1h_sro_srr, { "SRO/SRR (SACCH Repetition)", "gsmtap.sacch_l1.sro_srr", FT_BOOLEAN, 8, TFS(&tfs_required_not_required), 0x40, NULL, HFILL } }, { &hf_sacch_l1h_ta, { "Actual Timing Advance", "gsmtap.sacch_l1.ta", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_um_voice_type, { "GSM Um Voice Type", "gsmtap.um_voice_type", FT_UINT8, BASE_DEC, VALS(gsmtap_um_voice_types), 0, NULL, HFILL } }, /* PTCCH (Packet Timing Advance Control Channel) on Downlink */ { &hf_ptcch_spare, { "Spare Bit", "gsmtap.ptcch.spare", FT_UINT8, BASE_DEC, NULL, 0x80, NULL, HFILL } }, { &hf_ptcch_ta_idx, { "Timing Advance Index", "gsmtap.ptcch.ta_idx", FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } }, { &hf_ptcch_ta_val, { "Timing Advance Value", "gsmtap.ptcch.ta_val", FT_UINT8, BASE_DEC, NULL, 0x7f, NULL, HFILL } }, { &hf_ptcch_padding, { "Spare Padding", "gsmtap.ptcch.padding", FT_BYTES, SEP_SPACE, NULL, 0, NULL, HFILL } }, }; static gint *ett[] = { &ett_gsmtap }; proto_gsmtap = proto_register_protocol("GSM Radiotap", "GSMTAP", "gsmtap"); proto_register_field_array(proto_gsmtap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); gsmtap_dissector_table = register_dissector_table("gsmtap.type", "GSMTAP type", proto_gsmtap, FT_UINT8, BASE_HEX); } void proto_reg_handoff_gsmtap(void) { dissector_handle_t gsmtap_handle; /* TODO: some dissectors may be NULL if not loaded */ sub_handles[GSMTAP_SUB_DATA] = find_dissector("data"); sub_handles[GSMTAP_SUB_UM] = find_dissector_add_dependency("gsm_a_ccch", proto_gsmtap); sub_handles[GSMTAP_SUB_UM_LAPDM] = find_dissector_add_dependency("lapdm", proto_gsmtap); sub_handles[GSMTAP_SUB_UM_RLC_MAC_UL] = find_dissector_add_dependency("gsm_rlcmac_ul", proto_gsmtap); sub_handles[GSMTAP_SUB_UM_RLC_MAC_DL] = find_dissector_add_dependency("gsm_rlcmac_dl", proto_gsmtap); sub_handles[GSMTAP_SUB_LLC] = find_dissector_add_dependency("llcgprs", proto_gsmtap); sub_handles[GSMTAP_SUB_SNDCP] = find_dissector_add_dependency("sndcp", proto_gsmtap); sub_handles[GSMTAP_SUB_ABIS] = find_dissector_add_dependency("gsm_a_dtap", proto_gsmtap); sub_handles[GSMTAP_SUB_CDMA_CODE] = find_dissector_add_dependency("wimax_cdma_code_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_FCH] = find_dissector_add_dependency("wimax_fch_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_FFB] = find_dissector_add_dependency("wimax_ffb_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_PDU] = find_dissector_add_dependency("wimax_pdu_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_HACK] = find_dissector_add_dependency("wimax_hack_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_PHY_ATTRIBUTES] = find_dissector_add_dependency("wimax_phy_attributes_burst_handler", proto_gsmtap); sub_handles[GSMTAP_SUB_CBCH] = find_dissector_add_dependency("gsm_cbch", proto_gsmtap); sub_handles[GSMTAP_SUB_GMR1_BCCH] = find_dissector_add_dependency("gmr1_bcch", proto_gsmtap); sub_handles[GSMTAP_SUB_GMR1_CCCH] = find_dissector_add_dependency("gmr1_ccch", proto_gsmtap); sub_handles[GSMTAP_SUB_GMR1_LAPSAT] = find_dissector_add_dependency("lapsat", proto_gsmtap); sub_handles[GSMTAP_SUB_GMR1_RACH] = find_dissector_add_dependency("gmr1_rach", proto_gsmtap); sub_handles[GSMTAP_SUB_UMTS_RRC] = find_dissector_add_dependency("rrc", proto_gsmtap); sub_handles[GSMTAP_SUB_LAPD] = find_dissector_add_dependency("lapd", proto_gsmtap); sub_handles[GSMTAP_SUB_FR] = find_dissector_add_dependency("fr", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_DL_DCCH_Message] = find_dissector_add_dependency("rrc.dl.dcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_UL_DCCH_Message] = find_dissector_add_dependency("rrc.ul.dcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_DL_CCCH_Message] = find_dissector_add_dependency("rrc.dl.ccch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_UL_CCCH_Message] = find_dissector_add_dependency("rrc.ul.ccch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_PCCH_Message] = find_dissector_add_dependency("rrc.pcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_DL_SHCCH_Message] = find_dissector_add_dependency("rrc.dl.shcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_UL_SHCCH_Message] = find_dissector_add_dependency("rrc.ul.shcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_BCCH_FACH_Message] = find_dissector_add_dependency("rrc.bcch.fach", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_BCCH_BCH_Message] = find_dissector_add_dependency("rrc.bcch.bch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_MCCH_Message] = find_dissector_add_dependency("rrc.mcch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_MSCH_Message] = find_dissector_add_dependency("rrc.msch", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_HandoverToUTRANCommand] = find_dissector_add_dependency("rrc.irat.ho_to_utran_cmd", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_InterRATHandoverInfo] = find_dissector_add_dependency("rrc.irat.irat_ho_info", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SystemInformation_BCH] = find_dissector_add_dependency("rrc.sysinfo", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_System_Information_Container] = find_dissector_add_dependency("rrc.sysinfo.cont", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_UE_RadioAccessCapabilityInfo] = find_dissector_add_dependency("rrc.ue_radio_access_cap_info", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_MasterInformationBlock] = find_dissector_add_dependency("rrc.si.mib", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType1] = find_dissector_add_dependency("rrc.si.sib1", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType2] = find_dissector_add_dependency("rrc.si.sib2", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType3] = find_dissector_add_dependency("rrc.si.sib3", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType4] = find_dissector_add_dependency("rrc.si.sib4", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType5] = find_dissector_add_dependency("rrc.si.sib5", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType5bis] = find_dissector_add_dependency("rrc.si.sib5bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType6] = find_dissector_add_dependency("rrc.si.sib6", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType7] = find_dissector_add_dependency("rrc.si.sib7", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType8] = find_dissector_add_dependency("rrc.si.sib8", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType9] = find_dissector_add_dependency("rrc.si.sib9", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType10] = find_dissector_add_dependency("rrc.si.sib10", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType11] = find_dissector_add_dependency("rrc.si.sib11", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType11bis] = find_dissector_add_dependency("rrc.si.sib11bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType12] = find_dissector_add_dependency("rrc.si.sib12", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType13] = find_dissector_add_dependency("rrc.si.sib13", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType13_1] = find_dissector_add_dependency("rrc.si.sib13-1", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType13_2] = find_dissector_add_dependency("rrc.si.sib13-2", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType13_3] = find_dissector_add_dependency("rrc.si.sib13-3", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType13_4] = find_dissector_add_dependency("rrc.si.sib13-4", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType14] = find_dissector_add_dependency("rrc.si.sib14", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15] = find_dissector_add_dependency("rrc.si.sib15", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15bis] = find_dissector_add_dependency("rrc.si.sib15bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_1] = find_dissector_add_dependency("rrc.si.sib15-1", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_1bis] = find_dissector_add_dependency("rrc.si.sib15-1bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_2] = find_dissector_add_dependency("rrc.si.sib15-2", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_2bis] = find_dissector_add_dependency("rrc.si.sib15-2bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_2ter] = find_dissector_add_dependency("rrc.si.sib15-2ter", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_3] = find_dissector_add_dependency("rrc.si.sib15-3", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_3bis] = find_dissector_add_dependency("rrc.si.sib15-3bis", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_4] = find_dissector_add_dependency("rrc.si.sib15-4", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_5] = find_dissector_add_dependency("rrc.si.sib15-5", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_6] = find_dissector_add_dependency("rrc.si.sib15-6", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_7] = find_dissector_add_dependency("rrc.si.sib15-7", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType15_8] = find_dissector_add_dependency("rrc.si.sib15-8", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType16] = find_dissector_add_dependency("rrc.si.sib16", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType17] = find_dissector_add_dependency("rrc.si.sib17", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType18] = find_dissector_add_dependency("rrc.si.sib18", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType19] = find_dissector_add_dependency("rrc.si.sib19", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType20] = find_dissector_add_dependency("rrc.si.sib20", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType21] = find_dissector_add_dependency("rrc.si.sib21", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoType22] = find_dissector_add_dependency("rrc.si.sib22", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoTypeSB1] = find_dissector_add_dependency("rrc.si.sb1", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_SysInfoTypeSB2] = find_dissector_add_dependency("rrc.si.sb2", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_ToTargetRNC_Container] = find_dissector_add_dependency("rrc.s_to_trnc_cont", proto_gsmtap); rrc_sub_handles[GSMTAP_RRC_SUB_TargetRNC_ToSourceRNC_Container] = find_dissector_add_dependency("rrc.t_to_srnc_cont", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_DL_CCCH_Message] = find_dissector_add_dependency("lte_rrc.dl_ccch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_DL_DCCH_Message] = find_dissector_add_dependency("lte_rrc.dl_dcch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_UL_CCCH_Message] = find_dissector_add_dependency("lte_rrc.ul_ccch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_UL_DCCH_Message] = find_dissector_add_dependency("lte_rrc.ul_dcch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message] = find_dissector_add_dependency("lte_rrc.bcch_bch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message] = find_dissector_add_dependency("lte_rrc.bcch_dl_sch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_PCCH_Message] = find_dissector_add_dependency("lte_rrc.pcch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_MCCH_Message] = find_dissector_add_dependency("lte_rrc.mcch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_MBMS] = find_dissector_add_dependency("lte_rrc.bcch_bch.mbms", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_BR] = find_dissector_add_dependency("lte_rrc.bcch_dl_sch_br", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_MBMS] = find_dissector_add_dependency("lte_rrc.bcch_dl_sch.mbms", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_SC_MCCH_Message] = find_dissector_add_dependency("lte_rrc.sc_mcch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_SBCCH_SL_BCH_Message] = find_dissector_add_dependency("lte_rrc.sbcch_sl_bch", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_SBCCH_SL_BCH_Message_V2X] = find_dissector_add_dependency("lte_rrc.sbcch_sl_bch.v2x", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_DL_CCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.dl_ccch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_DL_DCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.dl_dcch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_UL_CCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.ul_ccch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_UL_DCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.ul_dcch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_NB] = find_dissector_add_dependency("lte_rrc.bcch_bch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_BCH_Message_TDD_NB] = find_dissector_add_dependency("lte_rrc.bcch_bch.nb.tdd", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_BCCH_DL_SCH_Message_NB] = find_dissector_add_dependency("lte_rrc.bcch_dl_sch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_PCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.pcch.nb", proto_gsmtap); lte_rrc_sub_handles[GSMTAP_LTE_RRC_SUB_SC_MCCH_Message_NB] = find_dissector_add_dependency("lte_rrc.sc_mcch.nb", proto_gsmtap); lte_nas_sub_handles[GSMTAP_LTE_NAS_PLAIN] = find_dissector_add_dependency("nas-eps_plain", proto_gsmtap); lte_nas_sub_handles[GSMTAP_LTE_NAS_SEC_HEADER] = find_dissector_add_dependency("nas-eps", proto_gsmtap); gsmtap_handle = create_dissector_handle(dissect_gsmtap, proto_gsmtap); dissector_add_uint_with_preference("udp.port", GSMTAP_UDP_PORT, gsmtap_handle); } /* * Editor modelines - https://www.wireshark.org/tools/modelines.html * * Local variables: * c-basic-offset: 8 * tab-width: 8 * indent-tabs-mode: t * End: * * vi: set shiftwidth=8 tabstop=8 noexpandtab: * :indentSize=8:tabSize=8:noTabs=false: */