Pau Espin Pedrol | e8d7d16 | 2020-04-29 19:07:36 +0200 | [diff] [blame^] | 1 | /* GPRS RLC/MAC Control Messages as per 3GPP TS 44.060 manually transcribed from the CSN.1 syntax, as no CSN.1 |
| 2 | * tool for Eclipse TITAN could be found. Implements only the minimum necessary messages for Osmocom teseting |
| 3 | * purposes. */ |
| 4 | |
| 5 | /* (C) 2017-2018 Harald Welte <laforge@gnumonks.org> |
| 6 | * contributions by sysmocom - s.f.m.c. GmbH |
| 7 | * All rights reserved. |
| 8 | * |
| 9 | * Released under the terms of GNU General Public License, Version 2 or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 13 | */ |
| 14 | |
| 15 | module RLCMAC_CSN1_Templates { |
| 16 | import from General_Types all; |
| 17 | import from Osmocom_Types all; |
| 18 | import from GSM_Types all; |
| 19 | import from MobileL3_GMM_SM_Types all; |
| 20 | import from RLCMAC_CSN1_Types all; |
| 21 | |
| 22 | template (value) RlcmacUlCtrlMsg ts_RlcMacUlCtrl_PKT_CTRL_ACK(GprsTlli tlli, |
| 23 | CtrlAck ack := MS_RCVD_TWO_RLC_SAME_RTI_DIFF_RBSN) := { |
| 24 | msg_type := PACKET_CONTROL_ACK, |
| 25 | u := { |
| 26 | ctrl_ack := { |
| 27 | tlli := tlli, |
| 28 | ctrl_ack := ack |
| 29 | } |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | const ILevel iNone := { |
| 34 | presence := '0'B, |
| 35 | i_level := omit |
| 36 | } |
| 37 | const ChannelQualityReport c_ChQualRep_default := { |
| 38 | c_value := 0, |
| 39 | rxqual := 0, |
| 40 | sign_var := 0, |
| 41 | i_levels := { iNone, iNone, iNone, iNone, iNone, iNone, iNone, iNone } |
| 42 | } |
| 43 | template (value) RlcmacUlCtrlMsg ts_RlcMacUlCtrl_PKT_DL_ACK(uint5_t dl_tfi, |
| 44 | AckNackDescription andesc, |
| 45 | ChannelQualityReport qual_rep := c_ChQualRep_default) := { |
| 46 | msg_type := PACKET_DL_ACK_NACK, |
| 47 | u := { |
| 48 | dl_ack_nack := { |
| 49 | dl_tfi := dl_tfi, |
| 50 | ack_nack_desc := andesc, |
| 51 | chreq_desc_presence := '0'B, |
| 52 | chreq_desc := omit, |
| 53 | ch_qual_rep := qual_rep |
| 54 | } |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | private function f_presence_bit_MultislotCap_GPRS(template (omit) MultislotCap_GPRS mscap_gprs) return BIT1 { |
| 59 | if (istemplatekind(mscap_gprs, "omit")) { |
| 60 | return '0'B; |
| 61 | } |
| 62 | return '1'B; |
| 63 | } |
| 64 | private function f_presence_bit_MultislotCap_EGPRS(template (omit) MultislotCap_EGPRS mscap_egprs) return BIT1 { |
| 65 | if (istemplatekind(mscap_egprs, "omit")) { |
| 66 | return '0'B; |
| 67 | } |
| 68 | return '1'B; |
| 69 | } |
| 70 | template (value) MSRACapabilityValuesRecord ts_RaCapRec(BIT4 att := '0001'B /* E-GSM */, template (omit) MultislotCap_GPRS mscap_gprs := omit, template (omit) MultislotCap_EGPRS mscap_egprs := omit) := { |
| 71 | mSRACapabilityValues := { |
| 72 | mSRACapabilityValuesExclude1111 := { |
| 73 | accessTechnType := att, /* E-GSM */ |
| 74 | accessCapabilities := { |
| 75 | lengthIndicator := 0, /* overwritten */ |
| 76 | accessCapabilities := { |
| 77 | rfPowerCapability := '001'B, /* FIXME */ |
| 78 | presenceBitA5 := '0'B, |
| 79 | a5bits := omit, |
| 80 | esind := '1'B, |
| 81 | psbit := '0'B, |
| 82 | vgcs := '0'B, |
| 83 | vbs := '0'B, |
| 84 | presenceBitMultislot := '1'B, |
| 85 | multislotcap := { |
| 86 | presenceBitHscsd := '0'B, |
| 87 | hscsdmultislotclass := omit, |
| 88 | presenceBitGprs := f_presence_bit_MultislotCap_GPRS(mscap_gprs), |
| 89 | gprsmultislot := mscap_gprs, |
| 90 | presenceBitSms := '0'B, |
| 91 | multislotCap_SMS := omit, |
| 92 | multislotCapAdditionsAfterRel97 := { |
| 93 | presenceBitEcsdmulti := '0'B, |
| 94 | ecsdmultislotclass := omit, |
| 95 | presenceBitEgprsmulti := f_presence_bit_MultislotCap_EGPRS(mscap_egprs), |
| 96 | multislotCap_EGPRS := mscap_egprs, |
| 97 | presenceBitDtmGprsmulti := '0'B, |
| 98 | multislotCapdtmgprsmultislotsubclass := omit |
| 99 | } |
| 100 | }, |
| 101 | accessCapAdditionsAfterRel97 := omit |
| 102 | }, |
| 103 | spare_bits := omit |
| 104 | } |
| 105 | } |
| 106 | }, |
| 107 | presenceBitMSRACap := '0'B |
| 108 | }; |
| 109 | |
| 110 | private function f_presence_bit_MSRadioAccessCapabilityV(template (omit) MSRadioAccessCapabilityV ms_rac) return BIT1 { |
| 111 | if (istemplatekind(ms_rac, "omit")) { |
| 112 | return '0'B; |
| 113 | } |
| 114 | return '1'B; |
| 115 | } |
| 116 | |
| 117 | private function f_template_MSRadioAccessCapabilityV_to_MSRadioAccCap2(template (omit) MSRadioAccessCapabilityV ms_rac) return template (omit) MSRadioAccCap2 { |
| 118 | var template (omit) MSRadioAccCap2 ms_rac2 := omit; |
| 119 | if (istemplatekind(ms_rac, "omit")) { |
| 120 | return ms_rac2; |
| 121 | } |
| 122 | ms_rac2 := { msRadioAccessCapabilityV := ms_rac }; |
| 123 | return ms_rac2; |
| 124 | } |
| 125 | |
| 126 | private const ChannelReqDescription c_ChReqDesc_default := { |
| 127 | peak_tput_class := 0, |
| 128 | priority := 0, |
| 129 | rlc_mode := RLC_MODE_UNACKNOWLEDGED, |
| 130 | llc_pdu_type := LLC_PDU_IS_NOT_SACK_OR_ACK, |
| 131 | RlcOctetCount := 0 |
| 132 | } |
| 133 | |
| 134 | /* TS 44.060 sec 11.2.16 */ |
| 135 | template (value) RlcmacUlCtrlMsg ts_RlcMacUlCtrl_PKT_RES_REQ(GprsTlli tlli, |
| 136 | template (omit) MSRadioAccessCapabilityV ms_rac, |
| 137 | ChannelReqDescription ch_req_desc := c_ChReqDesc_default, |
| 138 | RlcAccessType acc_type := RLC_ACC_TYPE_TWO_PHASE) |
| 139 | := { |
| 140 | msg_type := PACKET_RESOURCE_REQUEST, |
| 141 | u := { |
| 142 | resource_req := { |
| 143 | acc_type_presence := '1'B, |
| 144 | acc_type := acc_type, |
| 145 | id_type := '1'B, |
| 146 | id := { tlli := tlli }, |
| 147 | ms_rac2_presence := f_presence_bit_MSRadioAccessCapabilityV(ms_rac), |
| 148 | ms_rac2 := f_template_MSRadioAccessCapabilityV_to_MSRadioAccCap2(ms_rac), |
| 149 | ch_req_desc := ch_req_desc, |
| 150 | change_mark_presence := '0'B, |
| 151 | change_mark := omit, |
| 152 | C_val := '000000'B, |
| 153 | sign_var_presence := '0'B, |
| 154 | sign_var := omit, |
| 155 | I_levels := { |
| 156 | iNone, iNone, iNone, iNone, |
| 157 | iNone, iNone, iNone, iNone |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | } with { encode "RAW"; variant "FIELDORDER(msb)" variant "BYTEORDER(last)" }; |