393 lines
18 KiB
C
393 lines
18 KiB
C
/*
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* CSN.1 definitions from 3GPP TS 24.008.
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*
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* By Vincent Helfre, based on original code by Jari Sassi
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* with the gracious authorization of STE
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* Copyright (c) 2011 ST-Ericsson
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <osmocom/core/utils.h>
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#include <osmocom/core/bitvec.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/csn1/csn1.h>
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#include <osmocom/gprs/rlcmac/csn1_defs.h>
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#include <osmocom/gprs/rlcmac/rlcmac_private.h>
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/*< MS Classmark 3 IE >*/
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#if 0
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static const
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CSN_DESCR_BEGIN(ARC_t)
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M_UINT (ARC_t, A5_Bits, 4),
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M_UINT (ARC_t, Arc2_Spare, 4),
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M_UINT (ARC_t, Arc1, 4),
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CSN_DESCR_END (ARC_t)
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#endif
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#if 0
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static const
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CSN_ChoiceElement_t MultibandChoice[] =
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{
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{3, 0x00, 0, M_UINT(Multiband_t, u.A5_Bits, 4)},
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{3, 0x05, 0, M_TYPE(Multiband_t, u.ARC, ARC_t)},
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{3, 0x06, 0, M_TYPE(Multiband_t, u.ARC, ARC_t)},
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{3, 0x01, 0, M_TYPE(Multiband_t, u.ARC, ARC_t)},
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{3, 0x02, 0, M_TYPE(Multiband_t, u.ARC, ARC_t)},
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{3, 0x04, 0, M_TYPE(Multiband_t, u.ARC, ARC_t)},
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};
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#endif
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#if 0
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static const
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CSN_DESCR_BEGIN(Multiband_t)
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M_CHOICE (Multiband_t, Multiband, MultibandChoice, ElementsOf(MultibandChoice)),
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CSN_DESCR_END (Multiband_t)
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#endif
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#if 0
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static const
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CSN_DESCR_BEGIN(EDGE_RF_Pwr_t)
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M_NEXT_EXIST (EDGE_RF_Pwr_t, ExistEDGE_RF_PwrCap1, 1),
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M_UINT (EDGE_RF_Pwr_t, EDGE_RF_PwrCap1, 2),
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M_NEXT_EXIST (EDGE_RF_Pwr_t, ExistEDGE_RF_PwrCap2, 1),
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M_UINT (EDGE_RF_Pwr_t, EDGE_RF_PwrCap2, 2),
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CSN_DESCR_END (EDGE_RF_Pwr_t)
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#endif
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#if 0
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static const
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CSN_DESCR_BEGIN(MS_Class3_Unpacked_t)
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M_UINT (MS_Class3_Unpacked_t, Spare1, 1),
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M_TYPE (MS_Class3_Unpacked_t, Multiband, Multiband_t),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_R_Support, 1),
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M_UINT (MS_Class3_Unpacked_t, R_GSM_Arc, 3),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_MultiSlotCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, MultiSlotClass, 5),
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M_UINT (MS_Class3_Unpacked_t, UCS2, 1),
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M_UINT (MS_Class3_Unpacked_t, ExtendedMeasurementCapability, 1),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_MS_MeasurementCapability, 2),
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M_UINT (MS_Class3_Unpacked_t, SMS_VALUE, 4),
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M_UINT (MS_Class3_Unpacked_t, SM_VALUE, 4),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_MS_PositioningMethodCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, MS_PositioningMethod, 5),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_EDGE_MultiSlotCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, EDGE_MultiSlotClass, 5),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_EDGE_Struct, 2),
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M_UINT (MS_Class3_Unpacked_t, ModulationCapability, 1),
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M_TYPE (MS_Class3_Unpacked_t, EDGE_RF_PwrCaps, EDGE_RF_Pwr_t),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_GSM400_Info, 2),
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M_UINT (MS_Class3_Unpacked_t, GSM400_Bands, 2),
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M_UINT (MS_Class3_Unpacked_t, GSM400_Arc, 4),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_GSM850_Arc, 1),
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M_UINT (MS_Class3_Unpacked_t, GSM850_Arc, 4),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_PCS1900_Arc, 1),
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M_UINT (MS_Class3_Unpacked_t, PCS1900_Arc, 4),
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M_UINT (MS_Class3_Unpacked_t, UMTS_FDD_Radio_Access_Technology_Capability, 1),
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M_UINT (MS_Class3_Unpacked_t, UMTS_384_TDD_Radio_Access_Technology_Capability, 1),
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M_UINT (MS_Class3_Unpacked_t, CDMA2000_Radio_Access_Technology_Capability, 1),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_DTM_GPRS_multislot_class, 3),
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M_UINT (MS_Class3_Unpacked_t, DTM_GPRS_multislot_class, 2),
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M_UINT (MS_Class3_Unpacked_t, Single_Slot_DTM, 1),
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M_TYPE (MS_Class3_Unpacked_t, DTM_EGPRS_Params, DTM_EGPRS_t),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_SingleBandSupport, 1),
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M_UINT (MS_Class3_Unpacked_t, GSM_Band, 4),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_GSM_700_Associated_Radio_Capability, 1),
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M_UINT (MS_Class3_Unpacked_t, GSM_700_Associated_Radio_Capability, 4),
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M_UINT (MS_Class3_Unpacked_t, UMTS_128_TDD_Radio_Access_Technology_Capability, 1),
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M_UINT (MS_Class3_Unpacked_t, GERAN_Feature_Package_1, 1),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_Extended_DTM_multislot_class, 2),
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M_UINT (MS_Class3_Unpacked_t, Extended_DTM_GPRS_multislot_class, 2),
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M_UINT (MS_Class3_Unpacked_t, Extended_DTM_EGPRS_multislot_class, 2),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_HighMultislotCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, HighMultislotCapability, 2),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_GERAN_lu_ModeCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, GERAN_lu_ModeCapability, 4),
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M_UINT (MS_Class3_Unpacked_t, GERAN_FeaturePackage_2, 1),
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M_UINT (MS_Class3_Unpacked_t, GMSK_MultislotPowerProfile, 2),
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M_UINT (MS_Class3_Unpacked_t, EightPSK_MultislotProfile, 2),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_TGSM_400_Bands, 2),
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M_UINT (MS_Class3_Unpacked_t, TGSM_400_BandsSupported, 2),
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M_UINT (MS_Class3_Unpacked_t, TGSM_400_AssociatedRadioCapability, 4),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_TGSM_900_AssociatedRadioCapability, 1),
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M_UINT (MS_Class3_Unpacked_t, TGSM_900_AssociatedRadioCapability, 4),
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M_UINT (MS_Class3_Unpacked_t, DownlinkAdvancedReceiverPerformance, 2),
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M_UINT (MS_Class3_Unpacked_t, DTM_EnhancementsCapability, 1),
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M_NEXT_EXIST (MS_Class3_Unpacked_t, Exist_DTM_GPRS_HighMultislotClass, 3),
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M_UINT (MS_Class3_Unpacked_t, DTM_GPRS_HighMultislotClass, 3),
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M_UINT (MS_Class3_Unpacked_t, OffsetRequired, 1),
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M_TYPE (MS_Class3_Unpacked_t, DTM_EGPRS_HighMultislotClass, DTM_EGPRS_HighMultislotClass_t),
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M_UINT (MS_Class3_Unpacked_t, RepeatedSACCH_Capability, 1),
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M_UINT (MS_Class3_Unpacked_t, Spare2, 1),
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CSN_DESCR_END (MS_Class3_Unpacked_t)
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#endif
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/*< MS Radio Access capability IE >*/
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static const
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CSN_DESCR_BEGIN (DTM_EGPRS_t)
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M_NEXT_EXIST (DTM_EGPRS_t, Exist_DTM_EGPRS_multislot_class, 1),
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M_UINT (DTM_EGPRS_t, DTM_EGPRS_multislot_class, 2),
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CSN_DESCR_END (DTM_EGPRS_t)
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static const
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CSN_DESCR_BEGIN (DTM_EGPRS_HighMultislotClass_t)
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M_NEXT_EXIST (DTM_EGPRS_HighMultislotClass_t, Exist_DTM_EGPRS_HighMultislotClass, 1),
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M_UINT (DTM_EGPRS_HighMultislotClass_t, DTM_EGPRS_HighMultislotClass, 3),
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CSN_DESCR_END (DTM_EGPRS_HighMultislotClass_t)
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static const
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CSN_DESCR_BEGIN (DownlinkDualCarrierCapability_r7_t)
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M_UINT (DownlinkDualCarrierCapability_r7_t, MultislotCapabilityReductionForDL_DualCarrier, 3),
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M_UINT (DownlinkDualCarrierCapability_r7_t, DL_DualCarrierForDTM, 1),
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CSN_DESCR_END (DownlinkDualCarrierCapability_r7_t)
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static const
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CSN_DESCR_BEGIN (Multislot_capability_t)
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_HSCSD_multislot_class, 1),
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M_UINT (Multislot_capability_t, HSCSD_multislot_class, 5),
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_GPRS_multislot_class, 2),
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M_UINT (Multislot_capability_t, GPRS_multislot_class, 5),
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M_UINT (Multislot_capability_t, GPRS_Extended_Dynamic_Allocation_Capability, 1),
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_SM, 2),
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M_UINT (Multislot_capability_t, SMS_VALUE, 4),
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M_UINT (Multislot_capability_t, SM_VALUE, 4),
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_ECSD_multislot_class, 1),
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M_UINT (Multislot_capability_t, ECSD_multislot_class, 5),
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_EGPRS_multislot_class, 2),
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M_UINT (Multislot_capability_t, EGPRS_multislot_class, 5),
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M_UINT (Multislot_capability_t, EGPRS_Extended_Dynamic_Allocation_Capability, 1),
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M_NEXT_EXIST_OR_NULL(Multislot_capability_t, Exist_DTM_GPRS_multislot_class, 3),
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M_UINT (Multislot_capability_t, DTM_GPRS_multislot_class, 2),
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M_UINT (Multislot_capability_t, Single_Slot_DTM, 1),
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M_TYPE (Multislot_capability_t, DTM_EGPRS_Params, DTM_EGPRS_t),
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CSN_DESCR_END (Multislot_capability_t)
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static const
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CSN_DESCR_BEGIN (Content_t)
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M_UINT (Content_t, RF_Power_Capability, 3),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_A5_bits, 1),
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M_UINT_OR_NULL (Content_t, A5_bits, 7),
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M_UINT_OR_NULL (Content_t, ES_IND, 1),
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M_UINT_OR_NULL (Content_t, PS, 1),
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M_UINT_OR_NULL (Content_t, VGCS, 1),
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M_UINT_OR_NULL (Content_t, VBS, 1),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_Multislot_capability, 1),
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M_TYPE (Content_t, Multislot_capability, Multislot_capability_t),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_Eight_PSK_Power_Capability, 1),
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M_UINT (Content_t, Eight_PSK_Power_Capability, 2),
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M_UINT_OR_NULL (Content_t, COMPACT_Interference_Measurement_Capability, 1),
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M_UINT_OR_NULL (Content_t, Revision_Level_Indicator, 1),
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M_UINT_OR_NULL (Content_t, UMTS_FDD_Radio_Access_Technology_Capability, 1),
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M_UINT_OR_NULL (Content_t, UMTS_384_TDD_Radio_Access_Technology_Capability, 1),
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M_UINT_OR_NULL (Content_t, CDMA2000_Radio_Access_Technology_Capability, 1),
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M_UINT_OR_NULL (Content_t, UMTS_128_TDD_Radio_Access_Technology_Capability, 1),
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M_UINT_OR_NULL (Content_t, GERAN_Feature_Package_1, 1),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_Extended_DTM_multislot_class, 2),
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M_UINT (Content_t, Extended_DTM_GPRS_multislot_class, 2),
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M_UINT (Content_t, Extended_DTM_EGPRS_multislot_class, 2),
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M_UINT_OR_NULL (Content_t, Modulation_based_multislot_class_support, 1),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_HighMultislotCapability, 1),
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M_UINT (Content_t, HighMultislotCapability, 2),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_GERAN_lu_ModeCapability, 1),
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M_UINT (Content_t, GERAN_lu_ModeCapability, 4),
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M_UINT_OR_NULL (Content_t, GMSK_MultislotPowerProfile, 2),
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M_UINT_OR_NULL (Content_t, EightPSK_MultislotProfile, 2),
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M_UINT_OR_NULL (Content_t, MultipleTBF_Capability, 1),
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M_UINT_OR_NULL (Content_t, DownlinkAdvancedReceiverPerformance, 2),
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M_UINT_OR_NULL (Content_t, ExtendedRLC_MAC_ControlMessageSegmentionsCapability, 1),
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M_UINT_OR_NULL (Content_t, DTM_EnhancementsCapability, 1),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_DTM_GPRS_HighMultislotClass, 2),
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M_UINT (Content_t, DTM_GPRS_HighMultislotClass, 3),
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M_TYPE (Content_t, DTM_EGPRS_HighMultislotClass, DTM_EGPRS_HighMultislotClass_t),
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M_UINT_OR_NULL (Content_t, PS_HandoverCapability, 1),
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/* additions in release 7 */
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M_UINT_OR_NULL (Content_t, DTM_Handover_Capability, 1),
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M_NEXT_EXIST_OR_NULL(Content_t, Exist_DownlinkDualCarrierCapability_r7, 1),
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M_TYPE_OR_NULL (Content_t, DownlinkDualCarrierCapability_r7, DownlinkDualCarrierCapability_r7_t),
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M_UINT_OR_NULL (Content_t, FlexibleTimeslotAssignment, 1),
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M_UINT_OR_NULL (Content_t, GAN_PS_HandoverCapability, 1),
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M_UINT_OR_NULL (Content_t, RLC_Non_persistentMode, 1),
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M_UINT_OR_NULL (Content_t, ReducedLatencyCapability, 1),
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M_UINT_OR_NULL (Content_t, UplinkEGPRS2, 2),
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M_UINT_OR_NULL (Content_t, DownlinkEGPRS2, 2),
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/* additions in release 8 */
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M_UINT_OR_NULL (Content_t, EUTRA_FDD_Support, 1),
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M_UINT_OR_NULL (Content_t, EUTRA_TDD_Support, 1),
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M_UINT_OR_NULL (Content_t, GERAN_To_EUTRAN_supportInGERAN_PTM, 2),
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M_UINT_OR_NULL (Content_t, PriorityBasedReselectionSupport, 1),
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CSN_DESCR_END (Content_t)
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static gint16 Content_Dissector(csnStream_t* ar, struct bitvec *vector, unsigned *readIndex, void* data)
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{
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if (ar->direction == 0)
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{
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return osmo_csn1_stream_encode(ar, CSNDESCR(Content_t), vector, readIndex, data);
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}
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else
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{
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return osmo_csn1_stream_decode(ar, CSNDESCR(Content_t), vector, readIndex, data);
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}
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}
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static const
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CSN_DESCR_BEGIN (Additional_access_technologies_struct_t)
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M_UINT (Additional_access_technologies_struct_t, Access_Technology_Type, 4),
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M_UINT (Additional_access_technologies_struct_t, GMSK_Power_class, 3),
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M_UINT (Additional_access_technologies_struct_t, Eight_PSK_Power_class, 2),
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CSN_DESCR_END (Additional_access_technologies_struct_t)
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static const
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CSN_DESCR_BEGIN (Additional_access_technologies_t)
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M_REC_TARRAY (Additional_access_technologies_t, Additional_access_technologies, Additional_access_technologies_struct_t, Count_additional_access_technologies),
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CSN_DESCR_END (Additional_access_technologies_t)
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static gint16 Additional_access_technologies_Dissector(csnStream_t* ar, struct bitvec *vector, unsigned *readIndex, void* data)
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{
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if (ar->direction == 0)
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{
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return osmo_csn1_stream_encode(ar, CSNDESCR(Additional_access_technologies_t), vector, readIndex, data);
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}
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else
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{
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return osmo_csn1_stream_decode(ar, CSNDESCR(Additional_access_technologies_t), vector, readIndex, data);
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}
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}
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static const
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CSN_ChoiceElement_t MS_RA_capability_value_Choice[] =
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{
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{4, AccTech_GSMP, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSME, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMR, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM1800, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM1900, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM450, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM480, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM850, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM750, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMT830, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMT410, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMT900, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSM710, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMT810, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Content, 7, Content_Dissector)}, /* Long Form */
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{4, AccTech_GSMOther, 0, M_SERIALIZE (MS_RA_capability_value_t, u.Additional_access_technologies, 7, Additional_access_technologies_Dissector)}, /* Short Form */
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};
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const
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CSN_DESCR_BEGIN(MS_RA_capability_value_t)
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M_CHOICE (MS_RA_capability_value_t, IndexOfAccTech, MS_RA_capability_value_Choice, ElementsOf(MS_RA_capability_value_Choice)),
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CSN_DESCR_END (MS_RA_capability_value_t)
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static const
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CSN_DESCR_BEGIN (MS_Radio_Access_capability_t)
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M_REC_TARRAY_1(MS_Radio_Access_capability_t, MS_RA_capability_value, MS_RA_capability_value_t, Count_MS_RA_capability_value),
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M_PADDING_BITS(MS_Radio_Access_capability_t),
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CSN_DESCR_END (MS_Radio_Access_capability_t)
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int osmo_gprs_rlcmac_decode_ms_ra_cap(struct bitvec *vector, MS_Radio_Access_capability_t *data)
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{
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csnStream_t ar;
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int ret;
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unsigned readIndex = 0;
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osmo_csn1_stream_init(&ar, 0, 8 * vector->data_len);
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/* recursive osmo_csn1_stream_decode call uses LOGPC everywhere, so we need to start the log somewhere... */
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LOGP(DLCSN1, LOGL_INFO, "osmo_csn1_stream_decode (RAcap): ");
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ret = osmo_csn1_stream_decode(&ar, CSNDESCR(MS_Radio_Access_capability_t), vector, &readIndex, data);
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/* recursive osmo_csn1_stream_decode call uses LOGPC everywhere without trailing
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newline, so as a caller we are responisble for submitting it */
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LOGPC(DLCSN1, LOGL_INFO, "\n");
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if (ret > 0) {
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LOGRLCMAC(LOGL_NOTICE, "RAcap: Got %d remaining bits unhandled by decoder at the end of bitvec\n", ret);
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ret = 0;
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}
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return ret;
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}
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|
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int osmo_gprs_rlcmac_encode_ms_ra_cap(struct bitvec *vector, MS_Radio_Access_capability_t *data)
|
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{
|
|
unsigned writeIndex = 0;
|
|
csnStream_t ar;
|
|
int ret;
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|
|
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osmo_csn1_stream_init(&ar, 0, vector->data_len * 8);
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|
|
|
/* recursive osmo_csn1_stream_encode call uses LOGPC everywhere, so we need to start the log somewhere... */
|
|
LOGP(DLCSN1, LOGL_INFO, "osmo_csn1_stream_encode (RAcap): ");
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ret = osmo_csn1_stream_encode(&ar, CSNDESCR(MS_Radio_Access_capability_t), vector, &writeIndex, data);
|
|
LOGPC(DLCSN1, LOGL_INFO, "\n");
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|
|
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if (ret > 0 || ret == CSN_ERROR_NEED_MORE_BITS_TO_UNPACK) {
|
|
LOGRLCMAC(LOGL_ERROR, "Failed to encode MS RA Capability IE: not enough bits "
|
|
"in the output buffer (rc=%d)\n", ret);
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|
ret = CSN_ERROR_NEED_MORE_BITS_TO_UNPACK;
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|
}
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return ret;
|
|
}
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