569 lines
16 KiB
Plaintext
569 lines
16 KiB
Plaintext
/* GPRS RLC/MAC Control Messages as per 3GPP TS 44.060 manually transcribed from the CSN.1 syntax, as no CSN.1
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* tool for Eclipse TITAN could be found. Implements only the minimum necessary messages for Osmocom teseting
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* purposes. */
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/* (C) 2017-2018 Harald Welte <laforge@gnumonks.org>
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* contributions by sysmocom - s.f.m.c. GmbH
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* All rights reserved.
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*
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* Released under the terms of GNU General Public License, Version 2 or
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* (at your option) any later version.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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module RLCMAC_CSN1_Types {
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import from General_Types all;
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import from Osmocom_Types all;
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import from GSM_Types all;
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/* TS 44.060 11.2.0.1 */
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type enumerated RlcmacDlCtrlMsgType {
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PACKET_ACCESS_REJECT ('100001'B),
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PACKET_CELL_CHANGE_ORDER ('000001'B),
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PACKET_DL_ASSIGNMENT ('000010'B),
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PACKET_MEASUREMENT_ORDER ('000011'B),
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PACKET_PAGING_REQUEST ('100010'B),
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PACKET_PDCH_RELEASE ('100011'B),
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PACKET_POLLING_REQUEST ('000100'B),
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/* TODO */
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PACKET_TBF_RELEASE ('001000'B),
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PACKET_UL_ACK_NACK ('001001'B),
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PACKET_UL_ASSIGNMENT ('001010'B),
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PACKET_DL_DUMMY_CTRL ('100101'B)
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} with { variant "FIELDLENGTH(6)" };
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/* TS 44.060 11.2.0.2 */
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type enumerated RlcmacUlCtrlMsgType {
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PACKET_CELL_CHANGE_FEATURE ('000000'B),
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PACKET_CONTROL_ACK ('000001'B),
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PACKET_DL_ACK_NACK ('000010'B),
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PACKET_UL_DUMMY_CTRL ('000011'B),
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PACKET_MEASUREMENT_REPORT ('000100'B),
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PACKET_ENH_MEASUREMENT_REPORT ('001010'B),
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PACKET_RESOURCE_REQUEST ('000101'B),
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PACKET_MOBILE_TBF_STATUS ('000110'B),
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PACKET_PSI_STATUS ('000111'B),
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PACKET_EGPRS_DL_ACK_NACK ('001000'B),
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PACKET_PAUSE ('001001'B),
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ADDITIONAL_MS_RA_CAPABILITIES ('001011'B),
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PACKET_CELL_CANGE_NOTIFICATION ('001100'B),
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PACKET_SI_STATUS ('001101'B),
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PACKET_CS_REQUEST ('001110'B),
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MBMS_SERVICE_REQUEST ('001111'B),
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MBMS_DL_ACK_NACK ('010000'B)
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} with { variant "FIELDLENGTH(6)" };
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type record NullGlobalTfi {
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BIT1 presence ('0'B),
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GlobalTfi global_tfi
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} with { variant "" };
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type record TenTlli {
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BIT2 presence ('10'B),
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GprsTlli tlli
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} with { variant ""
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variant (tlli) "BYTEORDER(first)"
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};
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type union GlobalTfiOrTlli {
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NullGlobalTfi global_tfi,
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TenTlli tlli
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};
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/* 11.2.7 Packet Downlink Assignment */
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type record PacketDlAssignment {
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PageMode page_mode,
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BIT1 pres1,
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PersistenceLevels persistence_levels optional,
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GlobalTfiOrTlli tfi_or_tlli
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/* TODO */
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} with {
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variant (persistence_levels) "PRESENCE(pres1 = '1'B)"
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};
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/* 11.2.29 Packet Uplink Assignment */
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type record O_Gtfi {
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BIT1 presence ('0'B),
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GlobalTfi global_tfi
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} with { variant "" };
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type record IO_Tlli {
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BIT2 presence ('10'B),
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GprsTlli tlli
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} with { variant ""
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variant (tlli) "BYTEORDER(first)"
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};
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type record IIO_Tqi {
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BIT3 presence ('110'B),
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PacketRequestReference pkt_req_ref
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} with { variant "" };
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type union PktUlAssUnion {
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O_Gtfi global_tfi,
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IO_Tlli tlli,
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IIO_Tqi tqi
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} with {
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variant "TAG(global_tfi, presence = '0'B;
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tlli, presence = '10'B;
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tqi, presence = '110'B)"
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};
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type record DynamicAllocation {
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BIT1 extd_dyn_alloc,
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BIT1 p0_present,
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uint4_t p0 optional,
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BIT1 pr_mode optional,
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BIT1 usf_granularity,
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BIT1 ul_tfi_ass_present,
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uint5_t ul_tfi_assignment optional,
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BIT1 reserved ('0'B),
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BIT1 tbf_starting_time_present,
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StartingFnDesc tbf_starting_time optional,
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TsAllocationUnion ts_allocation
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} with {
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variant (p0) "PRESENCE(p0_present = '1'B)"
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variant (pr_mode) "PRESENCE(p0_present = '1'B)"
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variant (ul_tfi_assignment) "PRESENCE(ul_tfi_ass_present = '1'B)"
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variant (tbf_starting_time) "PRESENCE(tbf_starting_time_present = '1'B)"
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};
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type record TsAllocationTs {
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BIT1 presence,
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uint3_t usf_tn optional
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} with {
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variant (usf_tn) "PRESENCE(presence = '1'B)"
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};
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type record length(8) of TsAllocationTs TsAllocationTsArr;
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type record TnGamma {
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BIT1 presence,
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uint3_t usf_tn optional,
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uint5_t gamma_tn optional
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} with {
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variant (usf_tn) "PRESENCE(presence = '1'B)"
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variant (gamma_tn) "PRESENCE(presence = '1'B)"
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};
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type record length(8) of TnGamma TnGamma8;
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type record TsAllocationPwr {
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uint4_t alpha,
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TnGamma tn_gamma
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} with { variant "" };
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type record TsAllocationUnion {
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BIT1 presence,
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TsAllocationTsArr ts optional,
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TsAllocationPwr ts_with_pwr optional
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} with {
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variant (ts) "PRESENCE(presence = '0'B)"
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variant (ts_with_pwr) "PRESENCE(presence = '1'B)"
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};
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type record SingleBlockAllocation {
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uint3_t timeslot_nr,
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BIT1 alpha_present,
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uint4_t alpha optional,
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uint5_t gamma_tn,
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BIT1 p0_present,
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uint4_t p0 optional,
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BIT1 reserved ('0'B) optional,
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BIT1 pr_mode optional,
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StartingFnDesc tbf_starting_time
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} with {
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variant (alpha) "PRESENCE(alpha_present = '1'B)"
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variant (p0) "PRESENCE(p0_present = '1'B)"
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variant (reserved) "PRESENCE(p0_present = '1'B)"
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variant (pr_mode) "PRESENCE(p0_present = '1'B)"
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};
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type record PktUlAssGprs {
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ChCodingCommand ch_coding_cmd,
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BIT1 tlli_block_chan_coding,
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PacketTimingAdvance pkt_ta,
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BIT1 freq_par_present,
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FrequencyParameters freq_par optional,
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BIT2 alloc_present,
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DynamicAllocation dyn_block_alloc optional,
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SingleBlockAllocation sgl_block_alloc optional
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} with {
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variant (freq_par) "PRESENCE(freq_par_present = '1'B)"
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variant (dyn_block_alloc) "PRESENCE(alloc_present = '01'B)"
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variant (sgl_block_alloc) "PRESENCE(alloc_present = '10'B)"
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};
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type record PacketUlAssignment {
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PageMode page_mode,
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BIT1 persistence_levels_present,
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PersistenceLevels persistence_levels optional,
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PktUlAssUnion identity,
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BIT1 is_egprs, /* msg escape */
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PktUlAssGprs gprs optional
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} with {
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variant (persistence_levels) "PRESENCE(persistence_levels_present = '1'B)"
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variant (gprs) "PRESENCE(is_egprs = '0'B)"
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};
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/* 11.2.10 Packet Paging Request */
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type record MobileIdentityLV_Paging {
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/* Note that the size of 'len' differs from that of the Mobile Identify IE
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* as defined in 3GPP TS 24.008 10.5.1.4 "Mobile Identity"; Paging Requests
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* use only 4 bit to encode the length of a mobile identity, whereas the IE
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* uses a byte. */
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uint4_t len,
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octetstring mobile_id
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} with { variant (len) "LENGTHTO(mobile_id)" };
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type record PageInfoPs {
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BIT1 presence ('0'B),
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BIT1 ptmsi_or_mobile_id,
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GsmTmsi ptmsi optional,
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MobileIdentityLV_Paging mobile_identity optional
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} with {
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variant (ptmsi) "PRESENCE(ptmsi_or_mobile_id = '0'B)"
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variant (mobile_identity) "PRESENCE(ptmsi_or_mobile_id = '1'B)"
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};
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type record PageInfoCs {
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BIT1 presence ('1'B),
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BIT1 tmsi_or_mobile_id,
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GsmTmsi tmsi optional,
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MobileIdentityLV_Paging mobile_identity optional,
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ChannelNeeded chan_needed,
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BIT1 emlpp_prio_present,
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uint3_t emlpp_prio optional
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} with {
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variant (tmsi) "PRESENCE(tmsi_or_mobile_id = '0'B)"
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variant (mobile_identity) "PRESENCE(tmsi_or_mobile_id = '1'B)"
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variant (emlpp_prio) "PRESENCE(emlpp_prio_present = '1'B)"
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};
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type union PageInfo {
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PageInfoPs ps,
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PageInfoCs cs
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};
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type record PacketPagingReq {
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PageMode page_mode,
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BIT1 persistence_levels_present,
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PersistenceLevels persistence_levels optional,
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BIT1 nln_present,
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uint2_t nln optional
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/* TODO: Repeated PageInfo */
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} with {
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variant (persistence_levels) "PRESENCE(persistence_levels_present = '1'B)"
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variant (nln) "PRESENCE(nln_present = '1'B)"
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};
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/* 11.2.28 Uplink Ack/Nack */
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type enumerated ChCodingCommand {
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CH_CODING_CS1 ('00'B),
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CH_CODING_CS2 ('01'B),
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CH_CODING_CS3 ('10'B),
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CH_CODING_CS4 ('11'B)
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} with { variant "FIELDLENGTH(2)" };
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type record UlAckNackGprs {
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ChCodingCommand ch_coding_cmd,
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AckNackDescription ack_nack_desc,
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BIT1 cont_res_tlli_present,
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GprsTlli cont_res_tlli optional,
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BIT1 pkt_ta_present,
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PacketTimingAdvance pkt_ta optional,
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BIT1 pwr_ctrl_present,
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PowerControlParameters pwr_ctrl optional
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/* TODO: Extension Bits, Rel5 ,... */
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} with {
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variant (cont_res_tlli) "PRESENCE(cont_res_tlli_present = '1'B)"
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variant (pkt_ta) "PRESENCE(pkt_ta_present = '1'B)"
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variant (pwr_ctrl) "PRESENCE(pwr_ctrl_present = '1'B)"
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variant (cont_res_tlli) "BYTEORDER(first)"
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};
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type record PacketUlAckNack {
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PageMode page_mode,
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BIT2 msg_excape ('00'B),
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uint5_t uplink_tfi,
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BIT1 is_egprs ('0'B), /* msg escape */
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UlAckNackGprs gprs optional
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/* TODO: EGPRS */
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} with { variant (gprs) "PRESENCE(is_egprs = '0'B)" };
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/* 11.2.8 Packet Downlink Dummy Control Block */
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type record PacketDlDummy {
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PageMode page_mode,
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BIT1 persistence_levels_present,
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PersistenceLevels persistence_levels optional
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} with {
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variant (persistence_levels) "PRESENCE(persistence_levels_present = '1'B)"
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};
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/* 11.2.0.1 */
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type union RlcmacDlCtrlUnion {
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PacketDlAssignment dl_assignment,
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PacketUlAssignment ul_assignment,
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PacketPagingReq paging,
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PacketUlAckNack ul_ack_nack,
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PacketDlDummy dl_dummy,
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octetstring other
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} with { variant "" };
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type record RlcmacDlCtrlMsg {
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RlcmacDlCtrlMsgType msg_type,
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RlcmacDlCtrlUnion u
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} with {
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variant (u) "CROSSTAG(dl_assignment, msg_type = PACKET_DL_ASSIGNMENT;
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ul_assignment, msg_type = PACKET_UL_ASSIGNMENT;
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paging, msg_type = PACKET_PAGING_REQUEST;
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ul_ack_nack, msg_type = PACKET_UL_ACK_NACK;
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dl_dummy, msg_type = PACKET_DL_DUMMY_CTRL;
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other, OTHERWISE
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)"
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};
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external function enc_RlcmacDlCtrlMsg(in RlcmacDlCtrlMsg si) return octetstring
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with { extension "prototype(convert) encode(RAW)" };
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external function dec_RlcmacDlCtrlMsg(in octetstring stream) return RlcmacDlCtrlMsg
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with { extension "prototype(convert) decode(RAW)" };
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/* 11.2.6 Packet Downlikn Ack/Nack */
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type record ILevel {
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BIT1 presence,
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uint4_t i_level optional
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} with { variant (i_level) "PRESENCE(presence = '1'B)" };
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type record length(8) of ILevel ILevels;
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type record ChannelQualityReport {
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uint6_t c_value,
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uint3_t rxqual,
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uint6_t sign_var,
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ILevels i_levels
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} with { variant "" };
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type record PacketDlAckNack {
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uint5_t dl_tfi,
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AckNackDescription ack_nack_desc,
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BIT1 chreq_desc_presence,
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ChannelReqDescription chreq_desc optional,
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ChannelQualityReport ch_qual_rep
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} with { variant "" };
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/* 11.2.2 Packet Control Acknowledgement */
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type enumerated CtrlAck {
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MS_RCVD_TWO_RLC_SAME_RTI_DIFF_RBSN_NEW_TFI ('00'B),
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MS_RCVD_RBSN1_NO_RBSN0 ('01'B),
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MS_RCVD_RBSN0_NO_RBSN1 ('10'B),
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MS_RCVD_TWO_RLC_SAME_RTI_DIFF_RBSN ('11'B)
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} with { variant "FIELDLENGTH(2)" };
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type record PacketCtrlAck {
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GprsTlli tlli,
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CtrlAck ctrl_ack
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/* TODO: Rel5 additions */
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} with { variant ""
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variant (tlli) "BYTEORDER(first)"
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};
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/* 1.2.8b Packet Uplink Dummy Control Block */
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type record PacketUlDummy {
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GprsTlli tlli
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} with { variant ""
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variant (tlli) "BYTEORDER(first)"
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};
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/* 11.2.0.2 */
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type union RlcmacUlCtrlUnion {
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PacketCtrlAck ctrl_ack,
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PacketDlAckNack dl_ack_nack,
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PacketUlDummy ul_dummy,
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octetstring other
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} with { variant "" };
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type record RlcmacUlCtrlMsg {
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RlcmacUlCtrlMsgType msg_type,
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RlcmacUlCtrlUnion u
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} with {
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variant (u) "CROSSTAG(ctrl_ack, msg_type = PACKET_CONTROL_ACK;
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dl_ack_nack, msg_type = PACKET_DL_ACK_NACK;
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ul_dummy, msg_type = PACKET_UL_DUMMY_CTRL;
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other, OTHERWISE
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)"
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};
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external function enc_RlcmacUlCtrlMsg(in RlcmacUlCtrlMsg si) return octetstring
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with { extension "prototype(convert) encode(RAW)" };
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external function dec_RlcmacUlCtrlMsg(in octetstring stream) return RlcmacUlCtrlMsg
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with { extension "prototype(convert) decode(RAW)" };
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type bitstring ReceivedBlockBitmap length(64) with { variant "BYTEORDER(last)" };
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/* 12.3 Ack/Nack Description */
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type record AckNackDescription {
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BIT1 final_ack,
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uint7_t starting_seq_nr,
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ReceivedBlockBitmap receive_block_bitmap
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} with { variant "" };
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/* 12.7 Channel Request Description */
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type enumerated RlcMode {
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RLC_MODE_ACKNOWLEDGED (0),
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RLC_MODE_UNACKNOWLEDGED (1)
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} with { variant "FIELDLENGTH(1)" };
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type enumerated LlcPduType {
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LLC_PDU_IS_SACK_OR_ACK (0),
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LLC_PDU_IS_NOT_SACK_OR_ACK (1)
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} with { variant "FIELDLENGTH(1)" };
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type record ChannelReqDescription {
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uint4_t peak_tput_class,
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uint2_t priority,
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RlcMode rlc_mode,
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LlcPduType llc_pdu_type,
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uint16_t RlcOctetCount
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} with { variant "" };
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/* 12.8 Frequency Parameters */
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type record FreqIndirect {
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uint6_t maio,
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uint4_t ma_number,
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BIT1 change_mark1_present,
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uint2_t change_mark1 optional,
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BIT1 change_mark2_present,
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uint2_t change_mark2 optional
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} with {
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variant (change_mark1) "PRESENCE(change_mark1_present = '1'B)"
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variant (change_mark2) "PRESENCE(change_mark2_present = '1'B)"
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};
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type record FreqDirect1 {
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uint6_t maio,
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GprsMobileAllication mobile_allocation
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}
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type record FreqDirect2 {
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uint6_t maio,
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uint6_t hsn,
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uint4_t ma_freq_len,
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octetstring m1_freq_list
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} with {
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/* FIXME: this can not be expressed in TTCN-3 ?!? */
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//variant (ma_freq_len) "LENGTHTO(m1_freq_list)+3"
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variant (ma_freq_len) "LENGTHTO(m1_freq_list)"
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};
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type record FrequencyParameters {
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uint3_t tsc,
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BIT2 presence,
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uint10_t arfcn optional,
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FreqIndirect indirect optional,
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FreqDirect1 direct1 optional,
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FreqDirect2 direct2 optional
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} with {
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variant (arfcn) "PRESENCE(presence = '00'B)"
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variant (indirect) "PRESENCE(presence = '01'B)"
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variant (direct1) "PRESENCE(presence = '10'B)"
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variant (direct2) "PRESENCE(presence = '11'B)"
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};
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/* 12.10 Global TFI */
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type record GlobalTfi {
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boolean is_dl_tfi,
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uint5_t tfi
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} with { variant (is_dl_tfi) "FIELDLENGTH(1)" };
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/* 12.10a GPRS Mobile Allocation */
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type record RflNumberList {
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uint4_t rfl_number,
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BIT1 presence,
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RflNumberList rfl_number_list optional
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} with {
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variant (rfl_number_list) "PRESENCE(presence = '1'B)"
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};
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type record GprsMobileAllication {
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uint6_t hsn,
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|
BIT1 rfl_number_list_present,
|
|
RflNumberList rfl_number_list optional,
|
|
BIT1 ma_present,
|
|
uint6_t ma_length optional,
|
|
bitstring ma_bitmap optional
|
|
/* TODO: ARFCN index list */
|
|
} with {
|
|
variant (rfl_number_list) "PRESENCE(rfl_number_list_present = '1'B)"
|
|
variant (ma_length) "PRESENCE(ma_present = '0'B)"
|
|
variant (ma_bitmap) "PRESENCE(ma_present = '0'B)"
|
|
/* FIXME: this can not be expressed in TTCN-3 ?!? */
|
|
//variant (ma_length) "LENGTHTO(ma_bitmap)+1"
|
|
variant (ma_length) "LENGTHTO(ma_bitmap)"
|
|
}
|
|
|
|
/* 12.11 Packet Request Reference */
|
|
type record PacketRequestReference {
|
|
uint11_t ra_info,
|
|
uint16_t frame_nr
|
|
} with { variant "" };
|
|
|
|
/* 12.12 Packet Timing Advance */
|
|
type record PacketTimingAdvance {
|
|
BIT1 val_present,
|
|
uint6_t val optional,
|
|
BIT1 idx_present,
|
|
uint4_t idx optional,
|
|
uint3_t timeslot_nr optional
|
|
} with {
|
|
variant (val) "PRESENCE(val_present = '1'B)"
|
|
variant (idx) "PRESENCE(idx_present = '1'B)"
|
|
variant (timeslot_nr) "PRESENCE(idx_present = '1'B)"
|
|
};
|
|
|
|
/* 12.13 Power Control Parameters */
|
|
type record ZeroOneGamma {
|
|
BIT1 gamma_present,
|
|
uint5_t gamma
|
|
} with {
|
|
variant (gamma) "PRESENCE (gamma_present = '1'B)"
|
|
};
|
|
type record length(8) of ZeroOneGamma ZeroOneGammas;
|
|
type record PowerControlParameters {
|
|
uint4_t alpha,
|
|
ZeroOneGammas gamma
|
|
} with { variant "" };
|
|
|
|
/* 12.14 Persistence Level */
|
|
type record length(4) of uint4_t PersistenceLevels;
|
|
|
|
/* 12.20 Page Mode */
|
|
type enumerated PageMode {
|
|
PAGE_MODE_NORMAL ('00'B),
|
|
PAGE_MODE_EXTENDED ('01'B),
|
|
PAGE_MODE_REORG ('10'B),
|
|
PAGE_MODE_SAME ('11'B)
|
|
} with { variant "FIELDLENGTH(2)" };
|
|
|
|
/* 12.21 Starting Frame Number */
|
|
type record StartingFnDesc {
|
|
BIT1 presence,
|
|
uint16_t absolute_starting_time optional,
|
|
uint13_t relative_k optional
|
|
} with {
|
|
variant (absolute_starting_time) "PRESENCE(presence = '0'B)"
|
|
variant (relative_k) "PRESENCE(presence = '1'B)"
|
|
};
|
|
|
|
template (value) RlcmacUlCtrlMsg ts_RlcMacUlCtrl_PKT_CTRL_ACK(GprsTlli tlli,
|
|
CtrlAck ack := MS_RCVD_TWO_RLC_SAME_RTI_DIFF_RBSN) := {
|
|
msg_type := PACKET_CONTROL_ACK,
|
|
u := {
|
|
ctrl_ack := {
|
|
tlli := tlli,
|
|
ctrl_ack := ack
|
|
}
|
|
}
|
|
}
|
|
|
|
private const ILevel iNone := {
|
|
presence := '0'B,
|
|
i_level := omit
|
|
}
|
|
private const ChannelQualityReport c_ChQualRep_default := {
|
|
c_value := 0,
|
|
rxqual := 0,
|
|
sign_var := 0,
|
|
i_levels := { iNone, iNone, iNone, iNone, iNone, iNone, iNone, iNone }
|
|
}
|
|
template (value) RlcmacUlCtrlMsg ts_RlcMacUlCtrl_PKT_DL_ACK(uint5_t dl_tfi,
|
|
AckNackDescription andesc,
|
|
ChannelQualityReport qual_rep := c_ChQualRep_default) := {
|
|
msg_type := PACKET_DL_ACK_NACK,
|
|
u := {
|
|
dl_ack_nack := {
|
|
dl_tfi := dl_tfi,
|
|
ack_nack_desc := andesc,
|
|
chreq_desc_presence := '0'B,
|
|
chreq_desc := omit,
|
|
ch_qual_rep := qual_rep
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
} with { encode "RAW"; variant "FIELDORDER(msb)" variant "BYTEORDER(last)" };
|