forked from osmocom/wireshark
4093 lines
163 KiB
C
4093 lines
163 KiB
C
/* packet-oran.c
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* Routines for O-RAN fronthaul UC-plane dissection
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* Copyright 2020, Jan Schiefer, Keysight Technologies, Inc.
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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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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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/*
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* Dissector for the O-RAN Fronthaul CUS protocol specification.
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* The current implementation is based on the
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* ORAN-WG4.CUS.0-v01.00 specification, dated 2019/01/31.
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* N.B. by now, descriptions have been taken from a variety of versions, so some section number references
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* referring to earlier specs are now out of date.
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*/
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#include <config.h>
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#include <epan/packet.h>
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#include <epan/expert.h>
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#include <epan/prefs.h>
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#include <epan/proto.h>
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/* TODO:
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* - sequence analysis based on sequence Id. N.B. separate counts per antenna for spatial stream (eAxC Id), plane, direction
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* - tap stats by flow?
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* - for U-Plane, track back to last C-Plane frame for that eAxC
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* - use upCompHdr values from C-Plane if not overridden by U-Plane?
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* - Radio transport layer (eCPRI) fragmentation / reassembly
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* - Detect/indicate signs of application layer fragmentation?
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* - Not handling M-plane setting for "little endian byte order" as applied to IQ samples and beam weights
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* - Really long long text in some items will not be displayed. Try to summarise/truncate
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* - Register for UDP port(s)
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* - for section extensions, check constraints (section type, which other extension types appear with them, order)
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* - when section extensions are present, some section header fields are effectively ignored
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*/
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/* Prototypes */
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void proto_reg_handoff_oran(void);
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void proto_register_oran(void);
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/* Initialize the protocol and registered fields */
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static int proto_oran = -1;
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static int hf_oran_du_port_id = -1;
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static int hf_oran_bandsector_id = -1;
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static int hf_oran_cc_id = -1;
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static int hf_oran_ru_port_id = -1;
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static int hf_oran_sequence_id = -1;
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static int hf_oran_e_bit = -1;
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static int hf_oran_subsequence_id = -1;
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static int hf_oran_data_direction = -1;
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static int hf_oran_payload_version = -1;
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static int hf_oran_filter_index = -1;
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static int hf_oran_frame_id = -1;
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static int hf_oran_subframe_id = -1;
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static int hf_oran_slot_id = -1;
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static int hf_oran_slot_within_frame = -1;
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static int hf_oran_start_symbol_id = -1;
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static int hf_oran_numberOfSections = -1;
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static int hf_oran_sectionType = -1;
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static int hf_oran_udCompHdr = -1;
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static int hf_oran_udCompHdrIqWidth = -1;
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static int hf_oran_udCompHdrMeth = -1;
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static int hf_oran_numberOfUEs = -1;
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static int hf_oran_timeOffset = -1;
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static int hf_oran_frameStructure_fft = -1;
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static int hf_oran_frameStructure_subcarrier_spacing = -1;
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/* static int hf_oran_frameStructure_u = -1; */
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static int hf_oran_cpLength = -1;
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static int hf_oran_section_id = -1;
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static int hf_oran_rb = -1;
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static int hf_oran_symInc = -1;
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static int hf_oran_startPrbc = -1;
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static int hf_oran_reMask = -1;
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static int hf_oran_numPrbc = -1;
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static int hf_oran_numSymbol = -1;
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static int hf_oran_ef = -1;
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static int hf_oran_beamId = -1;
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static int hf_oran_extension = -1;
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static int hf_oran_exttype = -1;
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static int hf_oran_extlen = -1;
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static int hf_oran_bfw = -1;
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static int hf_oran_bfw_i = -1;
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static int hf_oran_bfw_q = -1;
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static int hf_oran_ueId = -1;
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static int hf_oran_freqOffset = -1;
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static int hf_oran_regularizationFactor = -1;
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static int hf_oran_laaMsgType = -1;
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static int hf_oran_laaMsgLen = -1;
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static int hf_oran_lbtHandle = -1;
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static int hf_oran_lbtDeferFactor = -1;
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static int hf_oran_lbtBackoffCounter = -1;
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static int hf_oran_lbtOffset = -1;
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static int hf_oran_MCOT = -1;
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static int hf_oran_txopSfnSfEnd = -1;
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static int hf_oran_lbtMode = -1;
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static int hf_oran_sfnSfEnd = -1;
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static int hf_oran_lbtResult = -1;
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static int hf_oran_lteTxopSymbols = -1;
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static int hf_oran_initialPartialSF = -1;
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static int hf_oran_reserved = -1;
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static int hf_oran_reserved_1bit = -1;
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static int hf_oran_reserved_2bits = -1;
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static int hf_oran_reserved_4bits = -1;
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static int hf_oran_reserved_6bits = -1;
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static int hf_oran_ext11_reserved = -1;
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static int hf_oran_bfwCompHdr = -1;
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static int hf_oran_bfwCompHdr_iqWidth = -1;
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static int hf_oran_bfwCompHdr_compMeth = -1;
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static int hf_oran_num_bf_weights = -1;
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static int hf_oran_symbolId = -1;
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static int hf_oran_startPrbu = -1;
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static int hf_oran_numPrbu = -1;
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/* static int hf_oran_udCompParam = -1; */
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static int hf_oran_bfwCompParam = -1;
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static int hf_oran_iSample = -1;
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static int hf_oran_qSample = -1;
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static int hf_oran_blockScaler = -1;
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static int hf_oran_compBitWidth = -1;
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static int hf_oran_compShift = -1;
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static int hf_oran_repetition = -1;
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static int hf_oran_rbgSize = -1;
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static int hf_oran_rbgMask = -1;
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static int hf_oran_noncontig_priority = -1;
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static int hf_oran_symbolMask = -1;
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static int hf_oran_rsvd8 = -1;
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static int hf_oran_rsvd16 = -1;
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static int hf_oran_exponent = -1;
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static int hf_oran_iq_user_data = -1;
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static int hf_oran_disable_bfws = -1;
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static int hf_oran_rad = -1;
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static int hf_oran_num_bund_prbs = -1;
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static int hf_oran_beam_id = -1;
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static int hf_oran_num_weights_per_bundle = -1;
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static int hf_oran_ack_nack_req_id = -1;
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static int hf_oran_off_start_prb_num_prb_pair = -1;
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static int hf_oran_off_start_prb = -1;
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static int hf_oran_num_prb = -1;
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static int hf_oran_samples_prb = -1;
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static int hf_oran_ciSample = -1;
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static int hf_oran_ciIsample = -1;
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static int hf_oran_ciQsample = -1;
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static int hf_oran_beamGroupType = -1;
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static int hf_oran_numPortc = -1;
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static int hf_oran_csf = -1;
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static int hf_oran_modcompscaler = -1;
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static int hf_oran_mc_scale_re_mask = -1;
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static int hf_oran_mc_scale_offset = -1;
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static int hf_oran_eAxC_mask = -1;
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static int hf_oran_technology = -1;
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static int hf_oran_nullLayerInd = -1;
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static int hf_oran_portReMask = -1;
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static int hf_oran_portSymbolMask = -1;
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static int hf_oran_ext19_port = -1;
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static int hf_oran_prb_allocation = -1;
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static int hf_oran_nextSymbolId = -1;
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static int hf_oran_nextStartPrbc = -1;
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static int hf_oran_puncPattern = -1;
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static int hf_oran_numPuncPatterns = -1;
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static int hf_oran_symbolMask_ext20 = -1;
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static int hf_oran_startPuncPrb = -1;
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static int hf_oran_numPuncPrb = -1;
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static int hf_oran_puncReMask = -1;
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static int hf_oran_RbgIncl = -1;
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static int hf_oran_ci_prb_group_size = -1;
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static int hf_oran_num_ueid = -1;
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static int hf_oran_antMask = -1;
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static int hf_oran_transmissionWindowOffset = -1;
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static int hf_oran_transmissionWindowSize = -1;
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static int hf_oran_toT = -1;
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static int hf_oran_bfaCompHdr = -1;
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static int hf_oran_bfAzPtWidth = -1;
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static int hf_oran_bfZePtWidth = -1;
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static int hf_oran_bfAz3ddWidth = -1;
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static int hf_oran_bfZe3ddWidth = -1;
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static int hf_oran_bfAzPt = -1;
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static int hf_oran_bfZePt = -1;
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static int hf_oran_bfAz3dd = -1;
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static int hf_oran_bfZe3dd = -1;
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static int hf_oran_bfAzSl = -1;
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static int hf_oran_bfZeSl = -1;
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/* Computed fields */
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static int hf_oran_c_eAxC_ID = -1;
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static int hf_oran_refa = -1;
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/* Initialize the subtree pointers */
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static gint ett_oran = -1;
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static gint ett_oran_ecpri_rtcid = -1;
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static gint ett_oran_ecpri_pcid = -1;
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static gint ett_oran_ecpri_seqid = -1;
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static gint ett_oran_section = -1;
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static gint ett_oran_section_type = -1;
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static gint ett_oran_u_timing = -1;
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static gint ett_oran_u_section = -1;
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static gint ett_oran_u_prb = -1;
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static gint ett_oran_iq = -1;
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static gint ett_oran_c_section_extension = -1;
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static gint ett_oran_bfw = -1;
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static gint ett_oran_offset_start_prb_num_prb = -1;
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static gint ett_oran_prb_cisamples = -1;
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static gint ett_oran_cisample = -1;
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static gint ett_oran_udcomphdr = -1;
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static gint ett_oran_bfwcomphdr = -1;
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static gint ett_oran_bfwcompparam = -1;
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static gint ett_oran_ext19_port = -1;
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static gint ett_oran_prb_allocation = -1;
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static gint ett_oran_punc_pattern = -1;
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static gint ett_oran_bfacomphdr = -1;
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/* Expert info */
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static expert_field ei_oran_invalid_bfw_iqwidth = EI_INIT;
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static expert_field ei_oran_invalid_num_bfw_weights = EI_INIT;
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static expert_field ei_oran_unsupported_bfw_compression_method = EI_INIT;
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static expert_field ei_oran_invalid_sample_bit_width = EI_INIT;
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static expert_field ei_oran_reserved_numBundPrb = EI_INIT;
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static expert_field ei_oran_extlen_wrong = EI_INIT;
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static expert_field ei_oran_invalid_eaxc_bit_width = EI_INIT;
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static expert_field ei_oran_extlen_zero = EI_INIT;
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static expert_field ei_oran_rbg_size_reserved = EI_INIT;
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static expert_field ei_oran_frame_length = EI_INIT;
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/* These are the message types handled by this dissector */
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#define ECPRI_MT_IQ_DATA 0
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#define ECPRI_MT_RT_CTRL_DATA 2
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/* Preference settings. */
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static guint pref_du_port_id_bits = 2;
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static guint pref_bandsector_id_bits = 6;
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static guint pref_cc_id_bits = 4;
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static guint pref_ru_port_id_bits = 4;
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static guint pref_sample_bit_width_uplink = 14;
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static guint pref_sample_bit_width_downlink = 14;
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/* Compression schemes */
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#define COMP_NONE 0
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#define COMP_BLOCK_FP 1
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#define COMP_BLOCK_SCALE 2
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#define COMP_U_LAW 3
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#define COMP_MODULATION 4
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#define BFP_AND_SELECTIVE_RE 5
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#define MOD_COMPR_AND_SELECTIVE_RE 6
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static gint pref_iqCompressionUplink = COMP_BLOCK_FP;
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static gint pref_iqCompressionDownlink = COMP_BLOCK_FP;
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static gboolean pref_includeUdCompHeaderUplink = FALSE;
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static gboolean pref_includeUdCompHeaderDownlink = FALSE;
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static guint pref_data_plane_section_total_rbs = 273;
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static guint pref_num_weights_per_bundle = 32;
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static guint pref_num_bf_antennas = 32;
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static gboolean pref_showIQSampleValues = TRUE;
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static const enum_val_t compression_options[] = {
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{ "COMP_NONE", "No Compression", COMP_NONE },
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{ "COMP_BLOCK_FP", "Block Floating Point Compression", COMP_BLOCK_FP },
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{ "COMP_BLOCK_SCALE", "Block Scaling Compression", COMP_BLOCK_SCALE },
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{ "COMP_U_LAW", "u-Law Compression", COMP_U_LAW },
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{ "COMP_MODULATION", "Modulation Compression", COMP_MODULATION },
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{ "BFP_AND_SELECTIVE_RE", "BFP + selective RE sending", BFP_AND_SELECTIVE_RE },
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{ "MOD_COMPR_AND_SELECTIVE_RE", "mod-compr + selective RE sending", MOD_COMPR_AND_SELECTIVE_RE },
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{ NULL, NULL, 0 }
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};
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static const value_string e_bit[] = {
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{ 0, "More fragments follow" },
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{ 1, "Last fragment" },
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{ 0, NULL}
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};
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#define DIR_UPLINK 0
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#define DIR_DOWNLINK 1
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static const value_string data_direction_vals[] = {
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{ DIR_UPLINK, "Uplink" },
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{ DIR_DOWNLINK, "Downlink" },
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{ 0, NULL}
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};
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static const value_string rb_vals[] = {
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{ 0, "Every RB used" },
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{ 1, "Every other RB used" },
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{ 0, NULL}
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};
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static const value_string sym_inc_vals[] = {
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{ 0, "Use the current symbol number" },
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{ 1, "Increment the current symbol number" },
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{ 0, NULL}
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};
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static const range_string filter_indices[] = {
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{0, 0, "standard channel filter"},
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{1, 1, "UL filter for PRACH preamble formats 0, 1, 2; min. passband 839 x 1.25kHz = 1048.75 kHz"},
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{2, 2, "UL filter for PRACH preamble format 3, min. passband 839 x 5 kHz = 4195 kHz"},
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{3, 3, "UL filter for PRACH preamble formats A1, A2, A3, B1, B2, B3, B4, C0, C2; min. passband 139 x \u0394fRA"},
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{4, 4, "UL filter for NPRACH 0, 1; min. passband 48 x 3.75KHz = 180 KHz"},
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{5, 5, "UL filter for PRACH preamble formats"},
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{6, 15, "Reserved"},
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{0, 0, NULL}
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};
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/* Section types from Table 7.3.1-1 */
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enum section_c_types {
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SEC_C_UNUSED_RB = 0,
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SEC_C_NORMAL = 1,
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SEC_C_RSVD2 = 2,
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SEC_C_PRACH = 3,
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SEC_C_RSVD4 = 4,
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SEC_C_UE_SCHED = 5,
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SEC_C_CH_INFO = 6,
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SEC_C_LAA = 7,
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SEC_C_ACK_NACK_FEEDBACK = 8
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};
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static const range_string section_types[] = {
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{SEC_C_UNUSED_RB, SEC_C_UNUSED_RB, "Unused Resource Blocks or symbols in Downlink or Uplink"},
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{SEC_C_NORMAL, SEC_C_NORMAL, "Most DL/UL radio channels"},
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{SEC_C_RSVD2, SEC_C_RSVD2, "Reserved for future use"},
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{SEC_C_PRACH, SEC_C_PRACH, "PRACH and mixed-numerology channels"},
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{SEC_C_RSVD4, SEC_C_RSVD4, "Reserved for future use"},
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{SEC_C_UE_SCHED, SEC_C_UE_SCHED, "UE scheduling information (UE-ID assignment to section)"},
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{SEC_C_CH_INFO, SEC_C_CH_INFO, "Channel information"},
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{SEC_C_LAA, SEC_C_LAA, "LAA"},
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{SEC_C_ACK_NACK_FEEDBACK, SEC_C_ACK_NACK_FEEDBACK, "ACK/NACK Feedback"},
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{9, 255, "Reserved for future use"},
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{0, 0, NULL} };
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static const range_string section_types_short[] = {
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{ SEC_C_UNUSED_RB, SEC_C_UNUSED_RB, "(Unused RBs)" },
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{ SEC_C_NORMAL, SEC_C_NORMAL, "(Most channels)" },
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{ SEC_C_RSVD2, SEC_C_RSVD2, "(reserved)" },
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{ SEC_C_PRACH, SEC_C_PRACH, "(PRACH/mixed-\u03bc)" },
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{ SEC_C_RSVD4, SEC_C_RSVD4, "(reserved)" },
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{ SEC_C_UE_SCHED, SEC_C_UE_SCHED, "(UE scheduling info)" },
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{ SEC_C_CH_INFO, SEC_C_CH_INFO, "(Channel info)" },
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{ SEC_C_LAA, SEC_C_LAA, "(LAA)" },
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{ SEC_C_ACK_NACK_FEEDBACK, SEC_C_ACK_NACK_FEEDBACK, "(ACK/NACK)"},
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{ 9, 255, "Reserved for future use" },
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{ 0, 0, NULL }
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};
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static const range_string ud_comp_header_width[] = {
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{0, 0, "I and Q are each 16 bits wide"},
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{1, 15, "Bit width of I and Q"},
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{0, 0, NULL} };
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static const range_string ud_comp_header_meth[] = {
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{COMP_NONE, COMP_NONE, "No compression" },
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{COMP_BLOCK_FP, COMP_BLOCK_FP, "Block floating point compression" },
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{COMP_BLOCK_SCALE, COMP_BLOCK_SCALE, "Block scaling" },
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{COMP_U_LAW, COMP_U_LAW, "Mu - law" },
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{COMP_MODULATION, COMP_MODULATION, "Modulation compression" },
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{BFP_AND_SELECTIVE_RE, BFP_AND_SELECTIVE_RE, "BFP + selective RE sending" },
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{MOD_COMPR_AND_SELECTIVE_RE, MOD_COMPR_AND_SELECTIVE_RE, "mod-compr + selective RE sending" },
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{7, 15, "Reserved"},
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{0, 0, NULL}
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};
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static const range_string frame_structure_fft[] = {
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|
{0, 0, "Reserved(no FFT / iFFT processing)"},
|
|
{1, 6, "Reserved"},
|
|
{7, 7, "FFT size 128"},
|
|
{8, 8, "FFT size 256"},
|
|
{9, 9, "FFT size 512"},
|
|
{10, 10, "FFT size 1024"},
|
|
{11, 11, "FFT size 2048"},
|
|
{12, 12, "FFT size 4096"},
|
|
{13, 13, "FFT size 1536"},
|
|
{14, 14, "FFT size 3072"},
|
|
{15, 15, "Reserved"},
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
static const range_string subcarrier_spacings[] = {
|
|
{ 0, 0, "SCS 15 kHz, 1 slot/subframe, slot length 1 ms" },
|
|
{ 1, 1, "SCS 30 kHz, 2 slots/subframe, slot length 500 \u03bcs" },
|
|
{ 2, 2, "SCS 60 kHz, 4 slots/subframe, slot length 250 \u03bcs" },
|
|
{ 3, 3, "SCS 120 kHz, 8 slots/subframe, slot length 125 \u03bcs" },
|
|
{ 4, 4, "SCS 240 kHz, 16 slots/subframe, slot length 62.5 \u03bcs" },
|
|
{ 5, 5, "SCS 480 kHz, 32 slots/subframe, slot length 31.25 \u03bcs" },
|
|
{ 6, 11, "Reserved" },
|
|
{ 12, 12, "SCS 1.25 kHz, 1 slot/subframe, slot length 1 ms" },
|
|
{ 13, 13, "SCS 3.75 kHz(LTE - specific), 1 slot/subframe, slot length 1 ms" },
|
|
{ 14, 14, "SCS 5 kHz, 1 slot/subframe, slot length 1 ms" },
|
|
{ 15, 15, "SCS 7.5 kHz(LTE - specific), 1 slot/subframe, slot length 1 ms" },
|
|
{ 0, 0, NULL }
|
|
};
|
|
|
|
static const range_string laaMsgTypes[] = {
|
|
{0, 0, "LBT_PDSCH_REQ - lls - O-DU to O-RU request to obtain a PDSCH channel"},
|
|
{1, 1, "LBT_DRS_REQ - lls - O-DU to O-RU request to obtain the channel and send DRS"},
|
|
{2, 2, "LBT_PDSCH_RSP - O-RU to O-DU response, channel acq success or failure"},
|
|
{3, 3, "LBT_DRS_RSP - O-RU to O-DU response, DRS sending success or failure"},
|
|
{4, 4, "LBT_Buffer_Error - O-RU to O-DU response, reporting buffer overflow"},
|
|
{5, 5, "LBT_CWCONFIG_REQ - O-DU to O-RU request, congestion window configuration"},
|
|
{6, 6, "LBT_CWCONFIG_REQ - O-RU to O-DU request, congestion window config"},
|
|
{8, 15, "reserved for future methods"},
|
|
{0, 0, NULL}
|
|
};
|
|
|
|
|
|
static const value_string exttype_vals[] = {
|
|
{0, "Reserved"},
|
|
{1, "Beamforming weights"},
|
|
{2, "Beamforming attributes"},
|
|
{3, "DL Precoding configuration parameters and indications"},
|
|
{4, "Modulation compr. params"},
|
|
{5, "Modulation compression additional scaling parameters"},
|
|
{6, "Non-contiguous PRB allocation"},
|
|
{7, "Multiple-eAxC designation"},
|
|
{8, "Regularization factor"},
|
|
{9, "Dynamic Spectrum Sharing parameters"},
|
|
{10, "Multiple ports grouping"},
|
|
{11, "Flexible BF weights"},
|
|
{12, "Non-Contiguous PRB Allocation with Frequency Ranges"},
|
|
{13, "PRB Allocation with Frequency Hopping"},
|
|
{14, "Nulling-layer Info. for ueId-based beamforming"},
|
|
{15, "Mixed-numerology Info. for ueId-based beamforming"},
|
|
{16, "Section description for antenna mapping in UE channel information based UL beamforming"},
|
|
{17, "Section description for indication of user port group"},
|
|
{18, "Section description for Uplink Transmission Management"},
|
|
{19, "Compact beamforming information for multiple port"},
|
|
{20, "Puncturing extension"},
|
|
{21, "Variable PRB group size for channel information"},
|
|
{22, "ACK/NACK request"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string bfw_comp_headers_iq_width[] = {
|
|
{0, "I and Q are 16 bits wide"},
|
|
{1, "I and Q are 1 bit wide"},
|
|
{2, "I and Q are 2 bits wide"},
|
|
{3, "I and Q are 3 bits wide"},
|
|
{4, "I and Q are 4 bits wide"},
|
|
{5, "I and Q are 5 bits wide"},
|
|
{6, "I and Q are 6 bits wide"},
|
|
{7, "I and Q are 7 bits wide"},
|
|
{8, "I and Q are 8 bits wide"},
|
|
{9, "I and Q are 9 bits wide"},
|
|
{10, "I and Q are 10 bits wide"},
|
|
{11, "I and Q are 11 bits wide"},
|
|
{12, "I and Q are 12 bits wide"},
|
|
{13, "I and Q are 13 bits wide"},
|
|
{14, "I and Q are 14 bits wide"},
|
|
{15, "I and Q are 15 bits wide"},
|
|
{0, NULL}
|
|
};
|
|
|
|
static const value_string bfw_comp_headers_comp_meth[] = {
|
|
{COMP_NONE, "no compression"},
|
|
{COMP_BLOCK_FP, "block floating point"},
|
|
{COMP_BLOCK_SCALE, "block scaling"},
|
|
{COMP_U_LAW, "u-law"},
|
|
{4, "beamspace compression type I"},
|
|
{5, "beamspace compression type II"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.6.2 */
|
|
static const value_string rbg_size_vals[] = {
|
|
{0, "reserved"},
|
|
{1, "1"},
|
|
{2, "2"},
|
|
{3, "3"},
|
|
{4, "4"},
|
|
{5, "6"},
|
|
{6, "8"},
|
|
{7, "16"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.6.5 */
|
|
static const value_string priority_vals[] = {
|
|
{0, "0"},
|
|
{1, "+1"},
|
|
{2, "-2 (reserved, should not be used)"},
|
|
{3, "-1"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.10.2 beamGroupType */
|
|
static const value_string beam_group_type_vals[] = {
|
|
{0x0, "common beam"},
|
|
{0x1, "beam matrix indication"},
|
|
{0x2, "beam vector listing"},
|
|
{0x3, "reserved"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.9.2 technology (interface name) */
|
|
static const value_string interface_name_vals[] = {
|
|
{0x0, "LTE"},
|
|
{0x1, "NR"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.18.4 toT (type of transmission) */
|
|
static const value_string type_of_transmission_vals[] = {
|
|
{0x0, "normal transmission mode, data can be distributed in any way the O-RU is implemented to transmit data"},
|
|
{0x1, "uniformly distributed over the transmission window"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.2.2 (width of bfa parameters) */
|
|
static const value_string bfa_bw_vals[] = {
|
|
{0, "no bits, the field is not applicable (e.g., O-RU does not support it) or the default value shall be used"},
|
|
{1, "2-bit bitwidth"},
|
|
{2, "3-bit bitwidth"},
|
|
{3, "4-bit bitwidth"},
|
|
{4, "5-bit bitwidth"},
|
|
{5, "6-bit bitwidth"},
|
|
{6, "7-bit bitwidth"},
|
|
{7, "8-bit bitwidth"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* 7.7.2.7 & 7.7.2.8 */
|
|
static const value_string sidelobe_suppression_vals[] = {
|
|
{0, "10 dB"},
|
|
{1, "15 dB"},
|
|
{2, "20 dB"},
|
|
{3, "25 dB"},
|
|
{4, "30 dB"},
|
|
{5, "35 dB"},
|
|
{6, "40 dB"},
|
|
{7, ">= 45 dB"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/* Config (and worked-out allocations) bundles for ext11 (dynamic BFW) */
|
|
typedef struct {
|
|
/* Ext 6 config */
|
|
gboolean ext6_set;
|
|
guint8 ext6_num_bits_set;
|
|
guint8 ext6_bits_set[28];
|
|
guint8 ext6_rbg_size;
|
|
|
|
/* Ext 12 config */
|
|
gboolean ext12_set;
|
|
guint ext12_num_pairs;
|
|
#define MAX_BFW_EXT12_PAIRS 128
|
|
struct {
|
|
guint8 off_start_prb;
|
|
guint8 num_prb;
|
|
} ext12_pairs[MAX_BFW_EXT12_PAIRS];
|
|
|
|
/* Ext 13 config */
|
|
gboolean ext13_set;
|
|
guint ext13_num_start_prbs;
|
|
#define MAX_BFW_EXT13_ALLOCATIONS 128
|
|
guint ext13_start_prbs[MAX_BFW_EXT13_ALLOCATIONS];
|
|
/* TODO: store nextSymbolId here too? */
|
|
|
|
/* Results (after calling ext11_work_out_bundles()) */
|
|
guint32 num_bundles;
|
|
#define MAX_BFW_BUNDLES 512
|
|
struct {
|
|
guint32 start; /* first prb of bundle */
|
|
guint32 end; /* last prb of bundle*/
|
|
gboolean is_orphan; /* TRUE if not complete (i.e., < numBundPrb) */
|
|
} bundles[MAX_BFW_BUNDLES];
|
|
} ext11_settings_t;
|
|
|
|
|
|
/* Work out bundle allocation for ext 11. Take into account ext6, ext12 or ext13 in this section before ext 11. */
|
|
static void ext11_work_out_bundles(guint startPrbc,
|
|
guint numPrbc,
|
|
guint numBundPrb, /* number of PRBs pre (full) bundle */
|
|
ext11_settings_t *settings)
|
|
{
|
|
/* Allocation configured by ext 6 */
|
|
if (settings->ext6_set) {
|
|
guint bundles_per_entry = settings->ext6_rbg_size / numBundPrb;
|
|
|
|
guint bundles_set = 0;
|
|
for (guint8 n=0; n < settings->ext6_num_bits_set; n++) {
|
|
/* For each bit set in the mask */
|
|
guint32 prb_start = settings->ext6_bits_set[n] * settings->ext6_rbg_size;
|
|
|
|
/* For each bundle within identified rbgSize block */
|
|
for (guint m=0; m < bundles_per_entry; m++) {
|
|
settings->bundles[bundles_set].start = prb_start+(m*numBundPrb);
|
|
/* Start already beyond end, so doesn't count. */
|
|
if (settings->bundles[bundles_set].start > (startPrbc+numPrbc)) {
|
|
break;
|
|
}
|
|
settings->bundles[bundles_set].end = prb_start+((m+1)*numBundPrb)-1;
|
|
if (settings->bundles[bundles_set].end > numPrbc) {
|
|
/* Extends beyond end, so counts but is an orphan bundle */
|
|
settings->bundles[bundles_set].end = numPrbc;
|
|
settings->bundles[bundles_set].is_orphan = TRUE;
|
|
}
|
|
bundles_set++;
|
|
if (bundles_set == MAX_BFW_BUNDLES) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
settings->num_bundles = bundles_set;
|
|
}
|
|
|
|
/* Allocation configured by ext 6 */
|
|
else if (settings->ext12_set) {
|
|
/* First, allocate normally from startPrbc, numPrbc */
|
|
settings->num_bundles = (numPrbc+numBundPrb-1) / numBundPrb;
|
|
|
|
/* Don't overflow settings->bundles[] ! */
|
|
settings->num_bundles = MIN(MAX_BFW_BUNDLES, settings->num_bundles);
|
|
|
|
for (guint32 n=0; n < settings->num_bundles; n++) {
|
|
settings->bundles[n].start = startPrbc + n*numBundPrb;
|
|
settings->bundles[n].end = settings->bundles[n].start + numBundPrb-1;
|
|
/* Does it go beyond the end? */
|
|
if (settings->bundles[n].end > startPrbc+numPrbc) {
|
|
settings->bundles[n].end = numPrbc+numPrbc;
|
|
settings->bundles[n].is_orphan = TRUE;
|
|
}
|
|
}
|
|
if (settings->num_bundles == MAX_BFW_BUNDLES) {
|
|
return;
|
|
}
|
|
|
|
guint prb_offset = startPrbc + numPrbc;
|
|
|
|
/* Loop over pairs, adding bundles for each */
|
|
for (guint p=0; p < settings->ext12_num_pairs; p++) {
|
|
prb_offset += settings->ext12_pairs[p].off_start_prb;
|
|
guint pair_bundles = (settings->ext12_pairs[p].num_prb+numBundPrb-1) / numBundPrb;
|
|
|
|
for (guint32 n=0; n < pair_bundles; n++) {
|
|
guint idx = settings->num_bundles;
|
|
|
|
settings->bundles[idx].start = prb_offset + n*numBundPrb;
|
|
settings->bundles[idx].end = settings->bundles[idx].start + numBundPrb-1;
|
|
/* Does it go beyond the end? */
|
|
if (settings->bundles[idx].end > prb_offset + settings->ext12_pairs[p].num_prb) {
|
|
settings->bundles[idx].end = prb_offset + settings->ext12_pairs[p].num_prb;
|
|
settings->bundles[idx].is_orphan = TRUE;
|
|
}
|
|
/* Range check / return */
|
|
settings->num_bundles++;
|
|
if (settings->num_bundles == MAX_BFW_BUNDLES) {
|
|
return;
|
|
}
|
|
}
|
|
|
|
prb_offset += settings->ext12_pairs[p].num_prb;
|
|
}
|
|
}
|
|
|
|
/* Allocation configured by ext 13 */
|
|
else if (settings->ext13_set) {
|
|
guint alloc_size = (numPrbc+numBundPrb-1) / numBundPrb;
|
|
settings->num_bundles = alloc_size * settings->ext13_num_start_prbs;
|
|
|
|
/* Don't overflow settings->bundles[] ! */
|
|
settings->num_bundles = MIN(MAX_BFW_BUNDLES, settings->num_bundles);
|
|
|
|
for (guint alloc=0; alloc < settings->ext13_num_start_prbs; alloc++) {
|
|
guint alloc_start = alloc * alloc_size;
|
|
for (guint32 n=0; n < alloc_size; n++) {
|
|
settings->bundles[alloc_start+n].start = settings->ext13_start_prbs[alloc] + startPrbc + n*numBundPrb;
|
|
settings->bundles[alloc_start+n].end = settings->bundles[alloc_start+n].start + numBundPrb-1;
|
|
if (settings->bundles[alloc_start+n].end > settings->ext13_start_prbs[alloc] + numPrbc) {
|
|
settings->bundles[alloc_start+n].end = settings->ext13_start_prbs[alloc] + numPrbc;
|
|
settings->bundles[alloc_start+n].is_orphan = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Bundles not controlled by other extensions - just divide up range into bundles we have */
|
|
else {
|
|
settings->num_bundles = (numPrbc+numBundPrb-1) / numBundPrb;
|
|
|
|
/* Don't overflow settings->bundles[] ! */
|
|
settings->num_bundles = MIN(MAX_BFW_BUNDLES, settings->num_bundles);
|
|
|
|
for (guint32 n=0; n < settings->num_bundles; n++) {
|
|
settings->bundles[n].start = startPrbc + n*numBundPrb;
|
|
settings->bundles[n].end = settings->bundles[n].start + numBundPrb-1;
|
|
/* Does it go beyond the end? */
|
|
if (settings->bundles[n].end > startPrbc+numPrbc) {
|
|
settings->bundles[n].end = numPrbc+numPrbc;
|
|
settings->bundles[n].is_orphan = TRUE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*******************************************************/
|
|
/* Overall state of a flow (eAxC) */
|
|
typedef struct {
|
|
guint32 last_cplane_frame;
|
|
nstime_t last_cplane_frame_ts;
|
|
/* TODO: add udCompHdr info for subsequence U-Plane frames? */
|
|
|
|
/* First U-PLane frame following 'last_cplane' frame */
|
|
guint32 first_uplane_frame;
|
|
nstime_t first_uplane_frame_ts;
|
|
} flow_state_t;
|
|
|
|
/* Table maintained on first pass from eAxC (guint16) -> flow_state_t* */
|
|
static wmem_tree_t *flow_states_table = NULL;
|
|
|
|
|
|
|
|
static void write_pdu_label_and_info(proto_item *ti1, proto_item *ti2,
|
|
packet_info *pinfo, const char *format, ...) G_GNUC_PRINTF(4, 5);
|
|
|
|
/* Write the given formatted text to:
|
|
- the info column (if pinfo != NULL)
|
|
- 1 or 2 other labels (optional)
|
|
*/
|
|
static void write_pdu_label_and_info(proto_item *ti1, proto_item *ti2,
|
|
packet_info *pinfo, const char *format, ...)
|
|
{
|
|
#define MAX_INFO_BUFFER 256
|
|
char info_buffer[MAX_INFO_BUFFER];
|
|
va_list ap;
|
|
|
|
if ((ti1 == NULL) && (ti2 == NULL) && (pinfo == NULL)) {
|
|
return;
|
|
}
|
|
|
|
va_start(ap, format);
|
|
vsnprintf(info_buffer, MAX_INFO_BUFFER, format, ap);
|
|
va_end(ap);
|
|
|
|
/* Add to indicated places */
|
|
if (pinfo != NULL) {
|
|
col_append_str(pinfo->cinfo, COL_INFO, info_buffer);
|
|
}
|
|
if (ti1 != NULL) {
|
|
proto_item_append_text(ti1, "%s", info_buffer);
|
|
}
|
|
if (ti2 != NULL) {
|
|
proto_item_append_text(ti2, "%s", info_buffer);
|
|
}
|
|
}
|
|
|
|
/* Add section (type + PRB range) for C-Plane, U-Plane */
|
|
static void
|
|
write_section_info(proto_item *section_heading, packet_info *pinfo, proto_item *protocol_item, guint32 section_id, guint32 start_prbx, guint32 num_prbx)
|
|
{
|
|
switch (num_prbx) {
|
|
case 0:
|
|
write_pdu_label_and_info(section_heading, protocol_item, pinfo, ", Id: %d (all PRBs)", section_id);
|
|
break;
|
|
case 1:
|
|
write_pdu_label_and_info(section_heading, protocol_item, pinfo, ", Id: %d (PRB: %3u)", section_id, start_prbx);
|
|
break;
|
|
default:
|
|
write_pdu_label_and_info(section_heading, protocol_item, pinfo, ", Id: %d (PRB: %3u-%3u)", section_id, start_prbx, start_prbx + num_prbx - 1);
|
|
}
|
|
}
|
|
|
|
/* 5.1.3.2.7 (real time control data / IQ data transfer message series identifier */
|
|
static void
|
|
addPcOrRtcid(tvbuff_t *tvb, proto_tree *tree, gint *offset, const char *name, guint16 *eAxC)
|
|
{
|
|
/* Subtree */
|
|
proto_item *item;
|
|
proto_tree *oran_pcid_tree = proto_tree_add_subtree(tree, tvb, *offset, 2, ett_oran_ecpri_pcid, &item, name);
|
|
guint64 duPortId, bandSectorId, ccId, ruPortId = 0;
|
|
gint id_offset = *offset;
|
|
|
|
/* All parts of eAxC should be above 0, and should total 16 bits (breakdown controlled by preferences) */
|
|
if (!((pref_du_port_id_bits > 0) && (pref_bandsector_id_bits > 0) && (pref_cc_id_bits > 0) && (pref_ru_port_id_bits > 0) &&
|
|
((pref_du_port_id_bits + pref_bandsector_id_bits + pref_cc_id_bits + pref_ru_port_id_bits) == 16))) {
|
|
expert_add_info(NULL, tree, &ei_oran_invalid_eaxc_bit_width);
|
|
*offset += 2;
|
|
return;
|
|
}
|
|
|
|
guint bit_offset = *offset * 8;
|
|
|
|
/* N.B. For sequence analysis / tapping, just interpret these 2 bytes as eAxC ID... */
|
|
*eAxC = tvb_get_guint16(tvb, *offset, ENC_BIG_ENDIAN);
|
|
|
|
/* DU Port ID */
|
|
proto_tree_add_bits_ret_val(oran_pcid_tree, hf_oran_du_port_id, tvb, bit_offset, pref_du_port_id_bits, &duPortId, ENC_BIG_ENDIAN);
|
|
bit_offset += pref_du_port_id_bits;
|
|
/* BandSector ID */
|
|
proto_tree_add_bits_ret_val(oran_pcid_tree, hf_oran_bandsector_id, tvb, bit_offset, pref_bandsector_id_bits, &bandSectorId, ENC_BIG_ENDIAN);
|
|
bit_offset += pref_bandsector_id_bits;
|
|
/* CC ID */
|
|
proto_tree_add_bits_ret_val(oran_pcid_tree, hf_oran_cc_id, tvb, bit_offset, pref_cc_id_bits, &ccId, ENC_BIG_ENDIAN);
|
|
bit_offset += pref_cc_id_bits;
|
|
/* RU Port ID */
|
|
proto_tree_add_bits_ret_val(oran_pcid_tree, hf_oran_ru_port_id, tvb, bit_offset, pref_ru_port_id_bits, &ruPortId, ENC_BIG_ENDIAN);
|
|
*offset += 2;
|
|
|
|
proto_item_append_text(item, " (DU_Port_ID: %d, BandSector_ID: %d, CC_ID: %d, RU_Port_ID: %d)", (int)duPortId, (int)bandSectorId, (int)ccId, (int)ruPortId);
|
|
char id[16];
|
|
snprintf(id, 16, "%x:%x:%x:%x", (int)duPortId, (int)bandSectorId, (int)ccId, (int)ruPortId);
|
|
proto_item *pi = proto_tree_add_string(oran_pcid_tree, hf_oran_c_eAxC_ID, tvb, id_offset, 2, id);
|
|
proto_item_set_generated(pi);
|
|
}
|
|
|
|
/* 5.1.3.2.8 (message series identifier) */
|
|
static void
|
|
addSeqid(tvbuff_t *tvb, proto_tree *oran_tree, gint *offset)
|
|
{
|
|
/* Subtree */
|
|
proto_item *seqIdItem;
|
|
proto_tree *oran_seqid_tree = proto_tree_add_subtree(oran_tree, tvb, *offset, 2, ett_oran_ecpri_seqid, &seqIdItem, "ecpriSeqid");
|
|
guint32 seqId, subSeqId, e = 0;
|
|
/* Sequence ID */
|
|
proto_tree_add_item_ret_uint(oran_seqid_tree, hf_oran_sequence_id, tvb, *offset, 1, ENC_NA, &seqId);
|
|
*offset += 1;
|
|
/* E bit */
|
|
proto_tree_add_item_ret_uint(oran_seqid_tree, hf_oran_e_bit, tvb, *offset, 1, ENC_NA, &e);
|
|
/* Subsequence ID */
|
|
proto_tree_add_item_ret_uint(oran_seqid_tree, hf_oran_subsequence_id, tvb, *offset, 1, ENC_NA, &subSeqId);
|
|
*offset += 1;
|
|
proto_item_append_text(seqIdItem, ", SeqId: %d, SubSeqId: %d, E: %d", seqId, subSeqId, e);
|
|
}
|
|
|
|
/* Special case for uncompressed/16-bit value */
|
|
static float uncompressed_to_float(guint32 h)
|
|
{
|
|
gint16 i16 = h & 0x0000ffff;
|
|
return ((float)i16) / 0x7fff;
|
|
}
|
|
|
|
static gfloat digital_power_scaling(gfloat f)
|
|
{
|
|
return f / (1 << 15);
|
|
}
|
|
|
|
/* 7.7.1.2 bfwCompHdr (beamforming weight compression header) */
|
|
static int dissect_bfwCompHdr(tvbuff_t *tvb, proto_tree *tree, gint offset,
|
|
guint32 *iq_width, guint32 *comp_meth, proto_item **comp_meth_ti)
|
|
{
|
|
/* Subtree */
|
|
proto_item *bfwcomphdr_ti = proto_tree_add_string_format(tree, hf_oran_bfwCompHdr,
|
|
tvb, offset, 1, "",
|
|
"bfwCompHdr");
|
|
proto_tree *bfwcomphdr_tree = proto_item_add_subtree(bfwcomphdr_ti, ett_oran_bfwcomphdr);
|
|
|
|
/* Width and method */
|
|
proto_tree_add_item_ret_uint(bfwcomphdr_tree, hf_oran_bfwCompHdr_iqWidth,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, iq_width);
|
|
*comp_meth_ti = proto_tree_add_item_ret_uint(bfwcomphdr_tree, hf_oran_bfwCompHdr_compMeth,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, comp_meth);
|
|
offset++;
|
|
|
|
/* Summary */
|
|
proto_item_append_text(bfwcomphdr_ti, " (IqWidth=%u, compMeth=%s)",
|
|
*iq_width,
|
|
val_to_str_const(*comp_meth, bfw_comp_headers_comp_meth, "reserved"));
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* 7.7.1.3 bfwCompParam (beamforming weight compression parameter).
|
|
* Depends upon passed-in bfwCompMeth (field may be empty) */
|
|
static int dissect_bfwCompParam(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, gint offset,
|
|
proto_item *ti, guint32 bfw_comp_method,
|
|
guint32 *exponent, gboolean *supported)
|
|
{
|
|
/* Subtree */
|
|
proto_item *bfwcompparam_ti = proto_tree_add_string_format(tree, hf_oran_bfwCompParam,
|
|
tvb, offset, 1, "",
|
|
"bfwCompParam");
|
|
proto_tree *bfwcompparam_tree = proto_item_add_subtree(bfwcompparam_ti, ett_oran_bfwcompparam);
|
|
|
|
proto_item_append_text(bfwcompparam_ti,
|
|
" (meth=%s)", val_to_str_const(bfw_comp_method, bfw_comp_headers_comp_meth, "Unknown"));
|
|
|
|
|
|
*supported = FALSE;
|
|
switch (bfw_comp_method) {
|
|
case COMP_NONE: /* no compression */
|
|
/* In this case, bfwCompParam is absent! */
|
|
*supported = TRUE;
|
|
break;
|
|
case COMP_BLOCK_FP: /* block floating point */
|
|
/* 4 reserved bits + exponent */
|
|
proto_tree_add_item_ret_uint(bfwcompparam_tree, hf_oran_exponent,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, exponent);
|
|
proto_item_append_text(bfwcompparam_ti, " exponent=%u", *exponent);
|
|
*supported = TRUE;
|
|
offset++;
|
|
break;
|
|
case COMP_BLOCK_SCALE: /* block scaling */
|
|
proto_tree_add_item(bfwcompparam_tree, hf_oran_blockScaler,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
break;
|
|
case COMP_U_LAW: /* u-law */
|
|
/* compBitWidth, compShift */
|
|
proto_tree_add_item(bfwcompparam_tree, hf_oran_compBitWidth,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(bfwcompparam_tree, hf_oran_compShift,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
break;
|
|
case 4: /* beamspace I */
|
|
/* TODO: activeBeamspaceCoefficientMask - ceil(K/8) octets */
|
|
/* proto_tree_add_item(extension_tree, hf_oran_blockScaler,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset++; */
|
|
break;
|
|
case 5: /* beamspace II */
|
|
/* TODO: activeBeamspaceCoefficientMask - ceil(K/8) octets */
|
|
/* reserved (4 bits) + exponent (4 bits)
|
|
proto_tree_add_item(bfwcompparam_tree, hf_oran_reserved_4bits, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item_ret_uint(bfwcompparam_tree, hf_oran_exponent, tvb, offset, 1, ENC_BIG_ENDIAN, exponent);
|
|
offset += 1;
|
|
*/
|
|
break;
|
|
|
|
default:
|
|
/* Not handled */
|
|
break;
|
|
}
|
|
|
|
/* Can't go on if compression scheme not supported */
|
|
if (!*supported) {
|
|
expert_add_info_format(pinfo, ti, &ei_oran_unsupported_bfw_compression_method,
|
|
"BFW Compression method %u (%s) not supported by dissector",
|
|
bfw_comp_method,
|
|
val_to_str_const(bfw_comp_method, bfw_comp_headers_comp_meth, "Unknown"));
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
|
|
static gfloat decompress_value(guint32 bits, guint32 comp_method, guint8 iq_width, guint32 exponent)
|
|
{
|
|
switch (comp_method) {
|
|
case COMP_NONE: /* no compression */
|
|
return uncompressed_to_float(bits);
|
|
|
|
case COMP_BLOCK_FP: /* block floating point */
|
|
{
|
|
/* A.1.2 Block Floating Point Decompression Algorithm */
|
|
gint32 cPRB = bits;
|
|
guint32 scaler = 1 << exponent; /* i.e. 2^exponent */
|
|
|
|
/* Check last bit, in case we need to flip to -ve */
|
|
if (cPRB >= (1<<(iq_width-1))) {
|
|
cPRB -= (1<<iq_width);
|
|
}
|
|
|
|
const guint8 mantissa_bits = iq_width-1;
|
|
return (cPRB / (gfloat)(1 << (mantissa_bits))) * scaler;
|
|
}
|
|
|
|
case COMP_BLOCK_SCALE:
|
|
case COMP_U_LAW:
|
|
case COMP_MODULATION:
|
|
case BFP_AND_SELECTIVE_RE:
|
|
case MOD_COMPR_AND_SELECTIVE_RE:
|
|
default:
|
|
/* Not supported! */
|
|
return 0.0;
|
|
}
|
|
}
|
|
|
|
/* Out-of-range value used for special case */
|
|
#define ORPHAN_BUNDLE_NUMBER 999
|
|
|
|
/* Bundle of PRBs/TRX I/Q samples (ext 11) */
|
|
static guint32 dissect_bfw_bundle(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo, guint offset,
|
|
proto_item *comp_meth_ti, guint32 bfwcomphdr_comp_meth,
|
|
guint8 iq_width,
|
|
guint bundle_number,
|
|
guint first_prb, guint last_prb, gboolean is_orphan)
|
|
{
|
|
/* Set bundle name */
|
|
char bundle_name[32];
|
|
if (!is_orphan) {
|
|
snprintf(bundle_name, 32, "Bundle %3u", bundle_number);
|
|
}
|
|
else {
|
|
g_strlcpy(bundle_name, "Orphaned ", 32);
|
|
}
|
|
|
|
/* Create Bundle root */
|
|
proto_item *bundle_ti = proto_tree_add_string_format(tree, hf_oran_bfw,
|
|
tvb, offset, 0, "",
|
|
"%s: (PRBs %3u-%3u)",
|
|
bundle_name,
|
|
first_prb, last_prb);
|
|
proto_tree *bundle_tree = proto_item_add_subtree(bundle_ti, ett_oran_bfw);
|
|
|
|
/* bfwCompParam */
|
|
gboolean compression_method_supported = FALSE;
|
|
guint32 exponent = 0;
|
|
offset = dissect_bfwCompParam(tvb, bundle_tree, pinfo, offset, comp_meth_ti,
|
|
bfwcomphdr_comp_meth, &exponent, &compression_method_supported);
|
|
|
|
/* Can't show details of unsupported compression method */
|
|
if (!compression_method_supported) {
|
|
/* Don't know how to show, so give up */
|
|
return offset;
|
|
}
|
|
|
|
/* Create Bundle subtree */
|
|
gint bit_offset = offset*8;
|
|
gint bfw_offset;
|
|
gint prb_offset = offset;
|
|
|
|
/* beamId */
|
|
guint32 beam_id;
|
|
proto_tree_add_item_ret_uint(bundle_tree, hf_oran_beam_id, tvb, offset, 2, ENC_BIG_ENDIAN, &beam_id);
|
|
proto_item_append_text(bundle_ti, " (beamId:%u) ", beam_id);
|
|
bit_offset += 16;
|
|
|
|
/* Number of weights per bundle (from preference) */
|
|
proto_item *wpb_ti = proto_tree_add_uint(bundle_tree, hf_oran_num_weights_per_bundle, tvb, 0, 0,
|
|
pref_num_weights_per_bundle);
|
|
proto_item_set_generated(wpb_ti);
|
|
|
|
/* Add the weights for this bundle */
|
|
for (guint m=0; m < pref_num_weights_per_bundle; m++) {
|
|
|
|
/* Create subtree */
|
|
bfw_offset = bit_offset / 8;
|
|
guint8 bfw_extent = ((bit_offset + (iq_width*2)) / 8) - bfw_offset;
|
|
proto_item *bfw_ti = proto_tree_add_string_format(bundle_tree, hf_oran_bfw,
|
|
tvb, bfw_offset, bfw_extent,
|
|
"", "TRX %u: (", m);
|
|
proto_tree *bfw_tree = proto_item_add_subtree(bfw_ti, ett_oran_bfw);
|
|
|
|
/* I */
|
|
/* Get bits, and convert to float. */
|
|
guint32 bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
gfloat value = decompress_value(bits, bfwcomphdr_comp_meth, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_i, tvb, bit_offset/8, (iq_width+7)/8, value, "#%u=%f", m, value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "I%u=%f ", m, value);
|
|
|
|
/* Q */
|
|
/* Get bits, and convert to float. */
|
|
bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
value = decompress_value(bits, bfwcomphdr_comp_meth, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_q, tvb, bit_offset/8, (iq_width+7)/8, value, "#%u=%f", m, value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "Q%u=%f)", m, value);
|
|
}
|
|
|
|
/* Set extent of bundle */
|
|
proto_item_set_len(bundle_ti, (bit_offset+7)/8 - prb_offset);
|
|
|
|
return (bit_offset+7)/8;
|
|
}
|
|
|
|
|
|
/* Section 7.
|
|
* N.B. these are the green parts of the tables showing Section Types, differing by section Type */
|
|
static int dissect_oran_c_section(tvbuff_t *tvb, proto_tree *tree, packet_info *pinfo,
|
|
guint32 sectionType, proto_item *protocol_item)
|
|
{
|
|
guint offset = 0;
|
|
proto_tree *oran_tree = NULL;
|
|
proto_item *sectionHeading = NULL;
|
|
|
|
oran_tree = proto_tree_add_subtree(tree, tvb, offset, 8, ett_oran_section, §ionHeading, "Section");
|
|
guint32 sectionId = 0;
|
|
|
|
guint32 startPrbc;
|
|
guint32 numPrbc;
|
|
guint32 ueId = 0;
|
|
guint32 beamId = 0;
|
|
proto_item *beamId_ti = NULL;
|
|
gboolean beamId_ignored = FALSE;
|
|
|
|
/* Config affecting ext11 bundles (initially unset) */
|
|
ext11_settings_t ext11_settings;
|
|
memset(&ext11_settings, 0, sizeof(ext11_settings));
|
|
|
|
gboolean extension_flag = FALSE;
|
|
|
|
/* These sections are similar, so handle as common with per-type differences */
|
|
if (sectionType <= SEC_C_UE_SCHED) {
|
|
/* sectionID */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_section_id, tvb, offset, 2, ENC_BIG_ENDIAN, §ionId);
|
|
offset++;
|
|
|
|
/* rb */
|
|
proto_tree_add_item(oran_tree, hf_oran_rb, tvb, offset, 1, ENC_NA);
|
|
/* symInc */
|
|
proto_tree_add_item(oran_tree, hf_oran_symInc, tvb, offset, 1, ENC_NA);
|
|
/* startPrbc */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_startPrbc, tvb, offset, 2, ENC_BIG_ENDIAN, &startPrbc);
|
|
offset += 2;
|
|
/* numPrbc */
|
|
proto_item *numprbc_ti = proto_tree_add_item_ret_uint(oran_tree, hf_oran_numPrbc, tvb, offset, 1, ENC_NA, &numPrbc);
|
|
if (numPrbc == 0) {
|
|
proto_item_append_text(numprbc_ti, " (all PRBs - configured as %u)", pref_data_plane_section_total_rbs);
|
|
}
|
|
offset += 1;
|
|
/* reMask */
|
|
proto_tree_add_item(oran_tree, hf_oran_reMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
/* numSymbol */
|
|
guint32 numSymbol;
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_numSymbol, tvb, offset, 1, ENC_NA, &numSymbol);
|
|
offset++;
|
|
|
|
/* [ef] (extension flag) */
|
|
switch (sectionType) {
|
|
case SEC_C_NORMAL: /* Section Type "1" */
|
|
case SEC_C_PRACH: /* Section Type "3" */
|
|
case SEC_C_UE_SCHED: /* Section Type "5" */
|
|
proto_tree_add_item_ret_boolean(oran_tree, hf_oran_ef, tvb, offset, 1, ENC_BIG_ENDIAN, &extension_flag);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
write_section_info(sectionHeading, pinfo, protocol_item, sectionId, startPrbc, numPrbc);
|
|
proto_item_append_text(sectionHeading, ", Symbols: %d", numSymbol);
|
|
|
|
if (numPrbc == 0) {
|
|
/* Special case for all PRBs */
|
|
numPrbc = pref_data_plane_section_total_rbs;
|
|
startPrbc = 0; /* may already be 0... */
|
|
}
|
|
|
|
/* Section type specific fields (after 'numSymbol') */
|
|
switch (sectionType) {
|
|
case SEC_C_UNUSED_RB: /* Section Type "0" - Table 5.4 */
|
|
/* reserved */
|
|
proto_tree_add_item(oran_tree, hf_oran_rsvd16, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
break;
|
|
|
|
case SEC_C_NORMAL: /* Section Type "1" - Table 5.5 */
|
|
/* beamId */
|
|
beamId_ti = proto_tree_add_item_ret_uint(oran_tree, hf_oran_beamId, tvb, offset, 2, ENC_BIG_ENDIAN, &beamId);
|
|
offset += 2;
|
|
|
|
proto_item_append_text(sectionHeading, ", BeamId: %d", beamId);
|
|
break;
|
|
|
|
case SEC_C_PRACH: /* Section Type "3" - Table 5.6 */
|
|
{
|
|
/* beamId */
|
|
beamId_ti = proto_tree_add_item_ret_uint(oran_tree, hf_oran_beamId, tvb, offset, 2, ENC_BIG_ENDIAN, &beamId);
|
|
offset += 2;
|
|
|
|
/* freqOffset */
|
|
gint32 freqOffset; /* Yes, this is signed, so the implicit cast is intentional. */
|
|
proto_item *freq_offset_item = proto_tree_add_item_ret_uint(oran_tree, hf_oran_freqOffset, tvb, offset, 3, ENC_BIG_ENDIAN, &freqOffset);
|
|
freqOffset |= 0xff000000; /* Must sign-extend */
|
|
proto_item_set_text(freq_offset_item, "Frequency offset: %d \u0394f", freqOffset);
|
|
offset += 3;
|
|
|
|
/* reserved */
|
|
proto_tree_add_item(oran_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
proto_item_append_text(sectionHeading, ", BeamId: %d, FreqOffset: %d \u0394f", beamId, freqOffset);
|
|
break;
|
|
}
|
|
|
|
case SEC_C_UE_SCHED: /* Section Type "5" - Table 5.7 */
|
|
/* ueId */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_ueId, tvb, offset, 2, ENC_NA, &ueId);
|
|
offset += 2;
|
|
|
|
proto_item_append_text(sectionHeading, ", UEId: %d", ueId);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
else if (sectionType == SEC_C_CH_INFO) { /* Section Type "6" */
|
|
/* ef */
|
|
proto_tree_add_item_ret_boolean(oran_tree, hf_oran_ef, tvb, offset, 1, ENC_BIG_ENDIAN, &extension_flag);
|
|
/* ueId */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_ueId, tvb, offset, 2, ENC_NA, &ueId);
|
|
offset += 2;
|
|
/* regularizationFactor */
|
|
proto_tree_add_item(oran_tree, hf_oran_regularizationFactor, tvb, offset, 2, ENC_NA);
|
|
offset += 2;
|
|
/* reserved */
|
|
proto_tree_add_item(oran_tree, hf_oran_reserved_4bits, tvb, offset, 1, ENC_NA);
|
|
/* rb */
|
|
proto_tree_add_item(oran_tree, hf_oran_rb, tvb, offset, 1, ENC_NA);
|
|
/* symInc */
|
|
proto_tree_add_item(oran_tree, hf_oran_symInc, tvb, offset, 1, ENC_NA);
|
|
/* startPrbc */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_startPrbc, tvb, offset, 2, ENC_BIG_ENDIAN, &startPrbc);
|
|
offset += 2;
|
|
/* numPrbc */
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_numPrbc, tvb, offset, 1, ENC_NA, &numPrbc);
|
|
offset += 1;
|
|
|
|
/* ciIsample,ciQsample pairs */
|
|
guint m;
|
|
guint prb;
|
|
guint32 bit_offset = offset*8;
|
|
|
|
/* Antenna count from preference */
|
|
guint num_trx = pref_num_bf_antennas;
|
|
if (numPrbc > 1) {
|
|
proto_item_append_text(sectionHeading, " (UEId=%u PRBs %u-%u, %u antennas", ueId, startPrbc, startPrbc+numPrbc-1, num_trx);
|
|
}
|
|
else {
|
|
proto_item_append_text(sectionHeading, " (UEId=%u PRB %u, %u antennas", ueId, startPrbc, num_trx);
|
|
}
|
|
|
|
for (prb=startPrbc; prb < startPrbc+numPrbc; prb++) {
|
|
|
|
/* PRB subtree */
|
|
guint prb_start_offset = bit_offset;
|
|
proto_item *prb_ti = proto_tree_add_string_format(oran_tree, hf_oran_samples_prb,
|
|
tvb, bit_offset/8, 0,
|
|
"", "PRB=%u", prb);
|
|
proto_tree *prb_tree = proto_item_add_subtree(prb_ti, ett_oran_prb_cisamples);
|
|
|
|
/* Antennas */
|
|
for (m=0; m < num_trx; m++) {
|
|
|
|
guint sample_offset = bit_offset / 8;
|
|
guint8 sample_extent = ((bit_offset + (16*2)) / 8) - sample_offset;
|
|
|
|
/* Create subtree for antenna */
|
|
proto_item *sample_ti = proto_tree_add_string_format(prb_tree, hf_oran_ciSample,
|
|
tvb, sample_offset, sample_extent,
|
|
"", "TRX=%u: ", m);
|
|
proto_tree *sample_tree = proto_item_add_subtree(sample_ti, ett_oran_cisample);
|
|
|
|
/* I */
|
|
/* Get bits, and convert to float. */
|
|
guint32 bits = tvb_get_bits(tvb, bit_offset, 16, ENC_BIG_ENDIAN);
|
|
gfloat value = uncompressed_to_float(bits);
|
|
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(sample_tree, hf_oran_ciIsample, tvb, bit_offset/8, (16+7)/8, value, "#%u=%f", m, value);
|
|
bit_offset += 16;
|
|
proto_item_append_text(sample_ti, "I%u=%f ", m, value);
|
|
|
|
/* Q */
|
|
/* Get bits, and convert to float. */
|
|
bits = tvb_get_bits(tvb, bit_offset, 16, ENC_BIG_ENDIAN);
|
|
value = uncompressed_to_float(bits);
|
|
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(sample_tree, hf_oran_ciQsample, tvb, bit_offset/8, (16+7)/8, value, "#%u=%f", m, value);
|
|
bit_offset += 16;
|
|
proto_item_append_text(sample_ti, "Q%u=%f ", m, value);
|
|
}
|
|
proto_item_set_len(prb_ti, (bit_offset-prb_start_offset)/8);
|
|
}
|
|
offset = (bit_offset/8);
|
|
}
|
|
else if (sectionType == SEC_C_LAA) { /* Section Type "7" */
|
|
/* 7.2.5 Table 6.4-6 */
|
|
|
|
/* laaMsgType */
|
|
guint32 laa_msg_type;
|
|
proto_tree_add_item_ret_uint(oran_tree, hf_oran_laaMsgType, tvb, offset, 1, ENC_NA, &laa_msg_type);
|
|
/* laaMsgLen */
|
|
guint32 laa_msg_len;
|
|
proto_item *len_ti = proto_tree_add_item_ret_uint(oran_tree, hf_oran_laaMsgLen, tvb, offset, 1, ENC_NA, &laa_msg_len);
|
|
proto_item_append_text(len_ti, " (%u bytes)", 4*(laa_msg_len+1));
|
|
offset += 1;
|
|
|
|
/* payload */
|
|
switch (laa_msg_type) {
|
|
case 0:
|
|
/* TODO: LBT_PDSCH_REQ */
|
|
break;
|
|
case 1:
|
|
/* TODO: LBT_DRS_REQ */
|
|
break;
|
|
case 2:
|
|
/* TODO: LBT_PDSCH_RSP */
|
|
break;
|
|
case 3:
|
|
/* TODO: LBT_DRS_RSP */
|
|
break;
|
|
case 4:
|
|
/* TODO: LBT_Buffer_Error */
|
|
break;
|
|
case 5:
|
|
/* TODO: LBT_CWCONFIG_REQ */
|
|
break;
|
|
case 6:
|
|
/* TODO: LBT_CWCONFIG_RSP */
|
|
break;
|
|
default:
|
|
/* Unhandled! */
|
|
break;
|
|
}
|
|
/* For now just skip indicated length of bytes */
|
|
offset += 4*(laa_msg_len+1);
|
|
}
|
|
|
|
/* Section extension commands */
|
|
while (extension_flag) {
|
|
|
|
gint extension_start_offset = offset;
|
|
|
|
/* Create subtree for each extension (with summary) */
|
|
proto_item *extension_ti = proto_tree_add_string_format(oran_tree, hf_oran_extension,
|
|
tvb, offset, 0, "", "Extension");
|
|
proto_tree *extension_tree = proto_item_add_subtree(extension_ti, ett_oran_c_section_extension);
|
|
|
|
/* ef (i.e. another extension after this one?) */
|
|
proto_tree_add_item_ret_boolean(extension_tree, hf_oran_ef, tvb, offset, 1, ENC_BIG_ENDIAN, &extension_flag);
|
|
|
|
/* extType */
|
|
guint32 exttype;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_exttype, tvb, offset, 1, ENC_BIG_ENDIAN, &exttype);
|
|
offset++;
|
|
proto_item_append_text(sectionHeading, " (ext-%u)", exttype);
|
|
|
|
proto_item_append_text(extension_ti, " (ext-%u: %s)", exttype, val_to_str_const(exttype, exttype_vals, "Unknown"));
|
|
|
|
/* extLen (number of 32-bit words) */
|
|
guint32 extlen_len = ((exttype==11)||(exttype==19)||(exttype==20)) ? 2 : 1; /* Extensions 11/19/20 are special */
|
|
guint32 extlen;
|
|
proto_item *extlen_ti = proto_tree_add_item_ret_uint(extension_tree, hf_oran_extlen, tvb,
|
|
offset, extlen_len, ENC_BIG_ENDIAN, &extlen);
|
|
proto_item_append_text(extlen_ti, " (%u bytes)", extlen*4);
|
|
offset += extlen_len;
|
|
if (extlen == 0) {
|
|
expert_add_info_format(pinfo, extlen_ti, &ei_oran_extlen_zero,
|
|
"extlen value of 0 is reserved");
|
|
/* Break out to avoid infinitely looping! */
|
|
break;
|
|
}
|
|
|
|
switch (exttype) {
|
|
|
|
case 1: /* Beamforming Weights Extension type */
|
|
{
|
|
guint32 bfwcomphdr_iq_width, bfwcomphdr_comp_meth;
|
|
proto_item *comp_meth_ti = NULL;
|
|
|
|
/* bfwCompHdr (2 subheaders - bfwIqWidth and bfwCompMeth)*/
|
|
offset = dissect_bfwCompHdr(tvb, extension_tree, offset,
|
|
&bfwcomphdr_iq_width, &bfwcomphdr_comp_meth, &comp_meth_ti);
|
|
|
|
/* Look up width of samples. */
|
|
guint8 iq_width = !bfwcomphdr_iq_width ? 16 : bfwcomphdr_iq_width;
|
|
|
|
/* bfwCompParam */
|
|
guint32 exponent = 0;
|
|
gboolean compression_method_supported = FALSE;
|
|
offset = dissect_bfwCompParam(tvb, extension_tree, pinfo, offset, comp_meth_ti,
|
|
bfwcomphdr_comp_meth, &exponent, &compression_method_supported);
|
|
|
|
/* Can't show details of unsupported compression method */
|
|
if (!compression_method_supported) {
|
|
break;
|
|
}
|
|
|
|
/* We know:
|
|
- iq_width (above)
|
|
- numBfWeights (taken from preference)
|
|
- remaining bytes in extension
|
|
We can therefore derive TRX (number of antennas).
|
|
*/
|
|
|
|
/* I & Q samples
|
|
Don't know how many there will be, so just fill available bytes...
|
|
*/
|
|
guint weights_bytes = (extlen*4)-3;
|
|
guint num_weights_pairs = (weights_bytes*8) / (iq_width*2);
|
|
guint num_trx = num_weights_pairs;
|
|
gint bit_offset = offset*8;
|
|
|
|
for (guint n=0; n < num_trx; n++) {
|
|
/* Create antenna subtree */
|
|
gint bfw_offset = bit_offset / 8;
|
|
proto_item *bfw_ti = proto_tree_add_string_format(extension_tree, hf_oran_bfw,
|
|
tvb, bfw_offset, 0, "", "TRX %2u: (", n);
|
|
proto_tree *bfw_tree = proto_item_add_subtree(bfw_ti, ett_oran_bfw);
|
|
|
|
/* I value */
|
|
/* Get bits, and convert to float. */
|
|
guint32 bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
gfloat value = decompress_value(bits, COMP_BLOCK_FP, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_i, tvb, bit_offset/8, (iq_width+7)/8, value, "%f", value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "I=%f ", value);
|
|
|
|
/* Leave a gap between I and Q values */
|
|
proto_item_append_text(bfw_ti, " ");
|
|
|
|
/* Q value */
|
|
/* Get bits, and convert to float. */
|
|
bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
value = decompress_value(bits, COMP_BLOCK_FP, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_q, tvb, bit_offset/8, (iq_width+7)/8, value, "%f", value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "Q=%f", value);
|
|
|
|
proto_item_append_text(bfw_ti, ")");
|
|
proto_item_set_len(bfw_ti, (bit_offset+7)/8 - bfw_offset);
|
|
}
|
|
/* Need to round to next byte */
|
|
offset = (bit_offset+7)/8;
|
|
|
|
break;
|
|
}
|
|
|
|
case 2: /* Beamforming attributes */
|
|
{
|
|
/* bfaCompHdr (get widths of fields to follow) */
|
|
guint32 bfAzPtWidth, bfZePtWidth, bfAz3ddWidth, bfZe3ddWidth;
|
|
/* subtree */
|
|
proto_item *bfa_ti = proto_tree_add_string_format(extension_tree, hf_oran_bfaCompHdr,
|
|
tvb, offset, 2, "", "bfaCompHdr");
|
|
proto_tree *bfa_tree = proto_item_add_subtree(bfa_ti, ett_oran_bfacomphdr);
|
|
|
|
/* reserved (2 bits) */
|
|
proto_tree_add_item(bfa_tree, hf_oran_reserved_2bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* bfAzPtWidth (3 bits) */
|
|
proto_tree_add_item_ret_uint(bfa_tree, hf_oran_bfAzPtWidth, tvb, offset, 1, ENC_BIG_ENDIAN, &bfAzPtWidth);
|
|
/* bfZePtWidth (3 bits) */
|
|
proto_tree_add_item_ret_uint(bfa_tree, hf_oran_bfZePtWidth, tvb, offset, 1, ENC_BIG_ENDIAN, &bfZePtWidth);
|
|
offset += 1;
|
|
|
|
/* reserved (2 bits) */
|
|
proto_tree_add_item(bfa_tree, hf_oran_reserved_2bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* bfAz3ddWidth (3 bits) */
|
|
proto_tree_add_item_ret_uint(bfa_tree, hf_oran_bfAz3ddWidth, tvb, offset, 1, ENC_BIG_ENDIAN, &bfAz3ddWidth);
|
|
/* bfZe3ddWidth (3 bits) */
|
|
proto_tree_add_item_ret_uint(bfa_tree, hf_oran_bfZe3ddWidth, tvb, offset, 1, ENC_BIG_ENDIAN, &bfZe3ddWidth);
|
|
offset += 1;
|
|
|
|
guint bit_offset = offset*8;
|
|
|
|
/* bfAzPt */
|
|
if (bfAzPtWidth > 0) {
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_bfAzPt, tvb, bit_offset, bfAzPtWidth+1, ENC_BIG_ENDIAN);
|
|
bit_offset += (bfAzPtWidth+1);
|
|
}
|
|
/* bfZePt */
|
|
if (bfZePtWidth > 0) {
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_bfZePt, tvb, bit_offset, bfZePtWidth+1, ENC_BIG_ENDIAN);
|
|
bit_offset += (bfZePtWidth+1);
|
|
}
|
|
/* bfAz3dd */
|
|
if (bfAz3ddWidth > 0) {
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_bfAz3dd, tvb, bit_offset, bfAz3ddWidth+1, ENC_BIG_ENDIAN);
|
|
bit_offset += (bfAz3ddWidth+1);
|
|
}
|
|
/* bfZe3dd */
|
|
if (bfZe3ddWidth > 0) {
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_bfZe3dd, tvb, bit_offset, bfZe3ddWidth+1, ENC_BIG_ENDIAN);
|
|
bit_offset += (bfZe3ddWidth+1);
|
|
}
|
|
|
|
/* go to next byte (zero-padding.. - a little confusing..) */
|
|
offset = (bit_offset+7) / 8;
|
|
|
|
/* 2 reserved/padding bits */
|
|
/* bfAzSl (3 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_bfAzSl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* bfZeSl (3 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_bfZeSl, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
break;
|
|
}
|
|
|
|
case 4: /* Modulation compression params (5.4.7.4) */
|
|
{
|
|
/* csf */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_csf, tvb, offset*8, 1, ENC_BIG_ENDIAN);
|
|
/* modCompScaler */
|
|
guint32 modCompScaler;
|
|
proto_item *ti = proto_tree_add_item_ret_uint(extension_tree, hf_oran_modcompscaler,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN, &modCompScaler);
|
|
/* Work out and show floating point value too. */
|
|
guint16 exponent = (modCompScaler >> 11) & 0x000f; /* m.s. 4 bits */
|
|
guint16 mantissa = modCompScaler & 0x07ff; /* l.s. 11 bits */
|
|
double value = (double)mantissa * (1.0 / (1 << exponent));
|
|
proto_item_append_text(ti, " (%f)", value);
|
|
|
|
offset += 2;
|
|
break;
|
|
}
|
|
|
|
case 5: /* Modulation Compression Additional Parameters Extension Type (5.4.7.5) */
|
|
{
|
|
/* Applies only to section types 1,3 and 5 */
|
|
|
|
/* There may be one or 2 entries, depending upon extlen */
|
|
gint sets = 1, reserved_bits = 0;
|
|
switch (extlen) {
|
|
case 2:
|
|
sets = 1;
|
|
reserved_bits = 20;
|
|
break;
|
|
case 3:
|
|
sets = 2;
|
|
reserved_bits = 24;
|
|
break;
|
|
default:
|
|
/* Malformed error!!! */
|
|
expert_add_info_format(pinfo, extlen_ti, &ei_oran_extlen_wrong,
|
|
"For section 5, extlen must be 2 or 3, but %u was dissected",
|
|
extlen);
|
|
break;
|
|
}
|
|
|
|
guint bit_offset = offset*8;
|
|
|
|
for (gint n=0; n < sets; n++) {
|
|
/* mcScaleReMask (12 bits) */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_mc_scale_re_mask, tvb, bit_offset, 12, ENC_BIG_ENDIAN);
|
|
bit_offset += 12;
|
|
/* csf (1 bit) */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_csf, tvb, bit_offset, 1, ENC_BIG_ENDIAN);
|
|
bit_offset += 1;
|
|
/* mcScaleOffset (15 bits) */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_mc_scale_offset, tvb, bit_offset, 15, ENC_BIG_ENDIAN);
|
|
bit_offset += 15;
|
|
}
|
|
|
|
/* Reserved */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_reserved, tvb, bit_offset, reserved_bits, ENC_BIG_ENDIAN);
|
|
bit_offset += reserved_bits;
|
|
|
|
offset = bit_offset/8;
|
|
break;
|
|
}
|
|
|
|
case 6: /* Non-contiguous PRB allocation in time and frequency domain */
|
|
{
|
|
/* TODO: Field startSymbolId in the message header and the fields rb, symInc, and numSymbol in the section
|
|
description shall not be used for identification of symbols and PRBs referred by the section description */
|
|
|
|
/* repetition */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_repetition, tvb, offset*8, 1, ENC_BIG_ENDIAN);
|
|
/* rbgSize */
|
|
guint32 rbgSize;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_rbgSize, tvb, offset, 1, ENC_BIG_ENDIAN, &rbgSize);
|
|
if (rbgSize == 0) {
|
|
expert_add_info_format(pinfo, extlen_ti, &ei_oran_rbg_size_reserved,
|
|
"rbgSize value of 0 is reserved");
|
|
}
|
|
/* rbgMask */
|
|
guint32 rbgMask;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_rbgMask, tvb, offset, 4, ENC_BIG_ENDIAN, &rbgMask);
|
|
offset += 4;
|
|
/* priority */
|
|
proto_tree_add_item(extension_tree, hf_oran_noncontig_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* symbolMask */
|
|
proto_tree_add_item(extension_tree, hf_oran_symbolMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Update ext6 recorded info */
|
|
ext11_settings.ext6_set = TRUE;
|
|
switch (rbgSize) {
|
|
case 0:
|
|
/* N.B. reserved, but covered above with expert info (would remain 0) */
|
|
break;
|
|
case 1:
|
|
ext11_settings.ext6_rbg_size = 1; break;
|
|
case 2:
|
|
ext11_settings.ext6_rbg_size = 2; break;
|
|
case 3:
|
|
ext11_settings.ext6_rbg_size = 3; break;
|
|
case 4:
|
|
ext11_settings.ext6_rbg_size = 4; break;
|
|
case 5:
|
|
ext11_settings.ext6_rbg_size = 6; break;
|
|
case 6:
|
|
ext11_settings.ext6_rbg_size = 8; break;
|
|
case 7:
|
|
ext11_settings.ext6_rbg_size = 16; break;
|
|
/* N.B., encoded in 3 bits, so no other values are possible */
|
|
}
|
|
for (guint n=0; n < 28 && ext11_settings.ext6_num_bits_set < 28; n++) {
|
|
if ((rbgMask >> n) & 0x01) {
|
|
ext11_settings.ext6_bits_set[ext11_settings.ext6_num_bits_set++] = n;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 7: /* eAxC mask */
|
|
proto_tree_add_item(extension_tree, hf_oran_eAxC_mask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
break;
|
|
|
|
case 8: /* Regularization factor */
|
|
proto_tree_add_item(extension_tree, hf_oran_regularizationFactor, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
break;
|
|
|
|
case 9: /* Dynamic Spectrum Sharing parameters */
|
|
proto_tree_add_item(extension_tree, hf_oran_technology, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_reserved, tvb, offset*8, 8, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
break;
|
|
|
|
case 10: /* Section description for group configuration of multiple ports */
|
|
{
|
|
/* beamGroupType */
|
|
guint32 beam_group_type = 0;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_beamGroupType,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &beam_group_type);
|
|
proto_item_append_text(extension_ti, " (%s)", val_to_str_const(beam_group_type, beam_group_type_vals, "Unknown"));
|
|
|
|
/* numPortc */
|
|
guint32 numPortc;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_numPortc,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &numPortc);
|
|
offset++;
|
|
|
|
/* TODO: any generated fields or expert info should be added, due to enties in table 5-35 ? */
|
|
|
|
/* Will append all beamId values to extension_ti, regardless of beamGroupType */
|
|
proto_item_append_text(extension_ti, "(");
|
|
guint n;
|
|
|
|
switch (beam_group_type) {
|
|
case 0x0: /* common beam */
|
|
/* Reserved byte */
|
|
proto_tree_add_item(oran_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
|
|
/* All entries are beamId... */
|
|
for (n=0; n < numPortc; n++) {
|
|
proto_item_append_text(extension_ti, "%u ", beamId);
|
|
}
|
|
break;
|
|
|
|
case 0x1: /* beam matrix indication */
|
|
/* Reserved byte */
|
|
proto_tree_add_item(oran_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset++;
|
|
|
|
/* Entries inc from beamId... */
|
|
for (n=0; n < numPortc; n++) {
|
|
proto_item_append_text(extension_ti, "%u ", beamId+n);
|
|
}
|
|
break;
|
|
|
|
case 0x2: /* beam vector listing */
|
|
{
|
|
/* Beam listing vector case */
|
|
/* Work out how many port beam entries there is room for */
|
|
/* Using numPortC as visible in issue 18116 */
|
|
proto_item_append_text(extension_ti, " (%u entries) ", numPortc);
|
|
for (n=0; n < numPortc; n++) {
|
|
/* TODO: Single reserved bit */
|
|
|
|
/* port beam ID (or UEID) */
|
|
guint32 id;
|
|
proto_item *beamid_or_ueid_ti = proto_tree_add_item_ret_uint(oran_tree, hf_oran_beamId,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN, &id);
|
|
proto_item_append_text(beamid_or_ueid_ti, " port #%u beam ID (or UEId) %u", n, id);
|
|
offset += 2;
|
|
|
|
proto_item_append_text(extension_ti, "%u ", id);
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
/* TODO: warning for unsupported/reserved value */
|
|
break;
|
|
}
|
|
proto_item_append_text(extension_ti, ")");
|
|
break;
|
|
}
|
|
|
|
case 11: /* Flexible Weights Extension Type */
|
|
{
|
|
gboolean disableBFWs;
|
|
guint32 numBundPrb;
|
|
|
|
/* disableBFWs */
|
|
proto_tree_add_item_ret_boolean(extension_tree, hf_oran_disable_bfws,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &disableBFWs);
|
|
if (disableBFWs) {
|
|
proto_item_append_text(extension_ti, " (disableBFWs)");
|
|
}
|
|
/* RAD */
|
|
proto_tree_add_item(extension_tree, hf_oran_rad,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* 6 reserved bits */
|
|
proto_tree_add_item(extension_tree, hf_oran_ext11_reserved, tvb,
|
|
offset, 1, ENC_BIG_ENDIAN);
|
|
offset++;
|
|
|
|
/* numBundPrb (number of prbs in each bundle) */
|
|
proto_item *num_bund_prb_ti = proto_tree_add_item_ret_uint(extension_tree, hf_oran_num_bund_prbs,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &numBundPrb);
|
|
offset++;
|
|
/* value zero is reserved.. */
|
|
if (numBundPrb == 0) {
|
|
expert_add_info_format(pinfo, num_bund_prb_ti, &ei_oran_reserved_numBundPrb,
|
|
"Reserved value 0 for numBundPrb seen - not valid");
|
|
}
|
|
|
|
guint32 num_bundles;
|
|
gboolean orphaned_prbs = FALSE;
|
|
|
|
if (!disableBFWs) {
|
|
/********************************************/
|
|
/* Table 7.7.1.1-1 */
|
|
/********************************************/
|
|
|
|
guint32 bfwcomphdr_iq_width, bfwcomphdr_comp_meth;
|
|
proto_item *comp_meth_ti = NULL;
|
|
|
|
/* bfwCompHdr (2 subheaders - bfwIqWidth and bfwCompMeth)*/
|
|
offset = dissect_bfwCompHdr(tvb, extension_tree, offset,
|
|
&bfwcomphdr_iq_width, &bfwcomphdr_comp_meth, &comp_meth_ti);
|
|
|
|
/* Look up width of samples. */
|
|
guint8 iq_width = !bfwcomphdr_iq_width ? 16 : bfwcomphdr_iq_width;
|
|
|
|
|
|
/* Work out number of bundles, but take care not to divide by zero. */
|
|
if (numBundPrb == 0) {
|
|
break;
|
|
}
|
|
|
|
/* Work out bundles! */
|
|
ext11_work_out_bundles(startPrbc, numPrbc, numBundPrb, &ext11_settings);
|
|
num_bundles = ext11_settings.num_bundles;
|
|
|
|
/* Add (complete) bundles */
|
|
for (guint b=0; b < num_bundles; b++) {
|
|
|
|
offset = dissect_bfw_bundle(tvb, extension_tree, pinfo, offset,
|
|
comp_meth_ti, bfwcomphdr_comp_meth,
|
|
iq_width,
|
|
b, /* bundle number */
|
|
ext11_settings.bundles[b].start,
|
|
ext11_settings.bundles[b].end,
|
|
ext11_settings.bundles[b].is_orphan);
|
|
if (!offset) {
|
|
break;
|
|
}
|
|
}
|
|
/* Set flag from last bundle entry */
|
|
orphaned_prbs = ext11_settings.bundles[num_bundles-1].is_orphan;
|
|
}
|
|
else {
|
|
/********************************************/
|
|
/* Table 7.7.1.1-2 */
|
|
/* No weights in this case */
|
|
/********************************************/
|
|
|
|
/* Work out number of bundles, but take care not to divide by zero. */
|
|
if (numBundPrb == 0) {
|
|
break;
|
|
}
|
|
|
|
ext11_work_out_bundles(startPrbc, numPrbc, numBundPrb, &ext11_settings);
|
|
num_bundles = ext11_settings.num_bundles;
|
|
|
|
for (guint n=0; n < num_bundles; n++) {
|
|
/* beamId */
|
|
proto_item *ti = proto_tree_add_item(extension_tree, hf_oran_beam_id,
|
|
tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
if (!ext11_settings.bundles[n].is_orphan) {
|
|
proto_item_append_text(ti, " (Bundle %u)", n);
|
|
}
|
|
else {
|
|
orphaned_prbs = TRUE;
|
|
proto_item_append_text(ti, " (Orphaned PRBs)");
|
|
}
|
|
offset += 2;
|
|
}
|
|
}
|
|
|
|
/* Add summary to extension root */
|
|
if (orphaned_prbs) {
|
|
proto_item_append_text(extension_ti, " (%u bundles + orphaned)", num_bundles);
|
|
}
|
|
else {
|
|
proto_item_append_text(extension_ti, " (%u bundles)", num_bundles);
|
|
}
|
|
}
|
|
|
|
break;
|
|
|
|
case 12: /* Non-Contiguous PRB Allocation with Frequency Ranges */
|
|
{
|
|
/* priority */
|
|
proto_tree_add_item(extension_tree, hf_oran_noncontig_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* symbolMask */
|
|
proto_tree_add_item(extension_tree, hf_oran_symbolMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* There are now 'R' pairs of (offStartPrb, numPrb) values. Fill extlen bytes with values. If last one is not set,
|
|
should be populated with 0s. */
|
|
guint32 extlen_remaining_bytes = (extlen*4) - 4;
|
|
guint8 prb_index;
|
|
|
|
ext11_settings.ext12_set = TRUE;
|
|
for (prb_index = 1; extlen_remaining_bytes > 0; prb_index++)
|
|
{
|
|
/* Create a subtree for each pair */
|
|
proto_item *pair_ti = proto_tree_add_string(extension_tree, hf_oran_off_start_prb_num_prb_pair,
|
|
tvb, offset, 2, "");
|
|
proto_tree *pair_tree = proto_item_add_subtree(pair_ti, ett_oran_offset_start_prb_num_prb);
|
|
|
|
/* offStartPrb */
|
|
guint32 off_start_prb;
|
|
proto_tree_add_item_ret_uint(pair_tree, hf_oran_off_start_prb, tvb, offset, 1, ENC_BIG_ENDIAN, &off_start_prb);
|
|
offset++;
|
|
|
|
/* numPrb */
|
|
guint32 num_prb;
|
|
proto_tree_add_item_ret_uint(pair_tree, hf_oran_num_prb, tvb, offset, 1, ENC_BIG_ENDIAN, &num_prb);
|
|
offset++;
|
|
|
|
extlen_remaining_bytes -= 2;
|
|
|
|
/* Last pair may be 0,0 if not used. Check for this */
|
|
if ((extlen_remaining_bytes == 0) && (off_start_prb == 0) && (num_prb == 0)) {
|
|
proto_item_append_text(pair_ti, " (not used)");
|
|
}
|
|
/* Add summary to pair root item, and configure details in ext11_settings */
|
|
else {
|
|
proto_item_append_text(pair_ti, "(%u) offStartPrb=%3u, numPrb=%u",
|
|
prb_index, off_start_prb, num_prb);
|
|
if (ext11_settings.ext12_num_pairs < MAX_BFW_EXT12_PAIRS) {
|
|
ext11_settings.ext12_pairs[ext11_settings.ext12_num_pairs].off_start_prb = off_start_prb;
|
|
ext11_settings.ext12_pairs[ext11_settings.ext12_num_pairs++].num_prb = num_prb;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 13: /* PRB Allocation with Frequency Hopping */
|
|
{
|
|
guint32 extlen_remaining_bytes = (extlen*4) - 2;
|
|
guint8 allocation_index;
|
|
|
|
/* Will update settings for ext11 */
|
|
ext11_settings.ext13_set = TRUE;
|
|
|
|
guint prev_next_symbol_id = 0, prev_next_start_prbc = 0;
|
|
|
|
for (allocation_index = 1; extlen_remaining_bytes > 0; allocation_index++)
|
|
{
|
|
/* Subtree for allocation */
|
|
proto_item *allocation_ti = proto_tree_add_string(extension_tree, hf_oran_prb_allocation,
|
|
tvb, offset, 2, "");
|
|
proto_tree *allocation_tree = proto_item_add_subtree(allocation_ti, ett_oran_prb_allocation);
|
|
|
|
/* Reserved (2 bits) */
|
|
proto_tree_add_item(allocation_tree, hf_oran_reserved_2bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
|
|
/* nextSymbolId (4 bits) */
|
|
guint32 next_symbol_id;
|
|
proto_tree_add_item_ret_uint(allocation_tree, hf_oran_nextSymbolId, tvb, offset, 1, ENC_BIG_ENDIAN, &next_symbol_id);
|
|
|
|
/* nextStartPrbc (10 bits) */
|
|
guint32 next_start_prbc;
|
|
proto_tree_add_item_ret_uint(allocation_tree, hf_oran_nextStartPrbc, tvb, offset, 2, ENC_BIG_ENDIAN, &next_start_prbc);
|
|
offset += 2;
|
|
|
|
/* Add summary to allocation root item */
|
|
proto_item_append_text(allocation_ti, "(%u) nextSymbolId=%3u, nextStartPrbc=%u",
|
|
allocation_index, next_symbol_id, next_start_prbc);
|
|
|
|
/* Checking for duplicates (expected if e.g. had only 2 entries but extlen bytes still to fill */
|
|
if ((allocation_index > 1) && (next_symbol_id == prev_next_symbol_id) && (next_start_prbc == prev_next_start_prbc)) {
|
|
proto_item_append_text(allocation_ti, " (repeated - to fill up extlen)");
|
|
}
|
|
else {
|
|
/* Add entry for configuring ext11. don't store out of range */
|
|
if (ext11_settings.ext13_num_start_prbs < MAX_BFW_EXT13_ALLOCATIONS) {
|
|
ext11_settings.ext13_start_prbs[ext11_settings.ext13_num_start_prbs++] = next_start_prbc;
|
|
}
|
|
}
|
|
prev_next_symbol_id = next_symbol_id;
|
|
prev_next_start_prbc = next_start_prbc;
|
|
|
|
extlen_remaining_bytes -= 2;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 14: /* Nulling-layer Info. for ueId-based beamforming */
|
|
proto_tree_add_item(extension_tree, hf_oran_nullLayerInd, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_reserved, tvb, offset*8, 8, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
break;
|
|
|
|
case 15: /* Mixed-numerology Info. for ueId-based beamforming */
|
|
/* frameStructure */
|
|
proto_tree_add_item(extension_tree, hf_oran_frameStructure_fft, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
proto_tree_add_item(extension_tree, hf_oran_frameStructure_subcarrier_spacing, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
/* freqOffset */
|
|
proto_tree_add_item(extension_tree, hf_oran_freqOffset, tvb, offset, 3, ENC_BIG_ENDIAN);
|
|
offset += 3;
|
|
/* cpLength */
|
|
proto_tree_add_item(extension_tree, hf_oran_cpLength, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
break;
|
|
|
|
case 16: /* Section description for antenna mapping in UE channel information based UL beamforming */
|
|
{
|
|
guint32 extlen_remaining_bytes = (extlen*4) - 2;
|
|
guint num_ant_masks = extlen_remaining_bytes / 8;
|
|
for (guint n=0; n < num_ant_masks; n++) {
|
|
proto_item *ti = proto_tree_add_item(extension_tree, hf_oran_antMask, tvb, offset, 8, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " (RX eAxC #%u)", n+1);
|
|
offset += 8;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 17: /* Section description for indication of user port group */
|
|
{
|
|
guint32 extlen_remaining_bytes = (extlen*4) - 2;
|
|
guint32 end_bit = (offset+extlen_remaining_bytes) * 8;
|
|
guint32 ueid_index = 1;
|
|
/* TODO: just filling up all available bytes - some may actually be padding.. */
|
|
for (guint32 bit_offset=offset*8; bit_offset < end_bit; bit_offset+=4, ueid_index++) {
|
|
proto_item *ti = proto_tree_add_bits_item(extension_tree, hf_oran_num_ueid, tvb, bit_offset, 4, ENC_BIG_ENDIAN);
|
|
proto_item_append_text(ti, " (user #%u)", ueid_index);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 18: /* Section description for Uplink Transmission Management */
|
|
/* transmissionWindowOffset */
|
|
proto_tree_add_item(extension_tree, hf_oran_transmissionWindowOffset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* reserved (2 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_reserved_2bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* transmissionWindowSize (14 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_transmissionWindowSize, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* reserved (6 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_reserved_6bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* toT (2 bits) */
|
|
proto_tree_add_item(extension_tree, hf_oran_toT, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
break;
|
|
|
|
case 19: /* Compact beamforming information for multiple port */
|
|
{
|
|
/* beamId in section header should be ignored */
|
|
if (beamId_ti && !beamId_ignored) {
|
|
proto_item_append_text(beamId_ti, " (ignored)");
|
|
beamId_ignored = TRUE;
|
|
}
|
|
|
|
/* disableBFWs */
|
|
gboolean disableBFWs;
|
|
proto_tree_add_item_ret_boolean(extension_tree, hf_oran_disable_bfws,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &disableBFWs);
|
|
if (disableBFWs) {
|
|
proto_item_append_text(extension_ti, " (disableBFWs)");
|
|
}
|
|
/* Repetition */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_repetition, tvb, (offset*8)+1, 1, ENC_BIG_ENDIAN);
|
|
/* numPortc */
|
|
guint32 numPortc;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_numPortc,
|
|
tvb, offset, 1, ENC_BIG_ENDIAN, &numPortc);
|
|
offset++;
|
|
|
|
/* priority */
|
|
proto_tree_add_item(extension_tree, hf_oran_noncontig_priority, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* symbolMask */
|
|
proto_tree_add_item(extension_tree, hf_oran_symbolMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* bfwCompHdr */
|
|
guint32 bfwcomphdr_iq_width, bfwcomphdr_comp_meth;
|
|
proto_item *comp_meth_ti = NULL;
|
|
offset = dissect_bfwCompHdr(tvb, extension_tree, offset,
|
|
&bfwcomphdr_iq_width, &bfwcomphdr_comp_meth, &comp_meth_ti);
|
|
|
|
/* Add entries for each port */
|
|
for (guint port=0; port < numPortc; port++) {
|
|
|
|
/* Create subtree for port entry*/
|
|
gint port_start_offset = offset;
|
|
proto_item *port_ti = proto_tree_add_string_format(extension_tree, hf_oran_ext19_port,
|
|
tvb, offset, 0,
|
|
"", "Port %u: ", port);
|
|
proto_tree *port_tree = proto_item_add_subtree(port_ti, ett_oran_ext19_port);
|
|
|
|
|
|
|
|
/* Reserved (4 bits) */
|
|
proto_tree_add_item(port_tree, hf_oran_reserved_4bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* portReMask (12 bits) */
|
|
proto_tree_add_item(port_tree, hf_oran_portReMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved (2 bits) */
|
|
proto_tree_add_item(port_tree, hf_oran_reserved_2bits, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* portSymbolMask (14 bits) */
|
|
proto_tree_add_item(port_tree, hf_oran_portSymbolMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
|
|
/* Reserved (1 bit) */
|
|
proto_tree_add_item(port_tree, hf_oran_reserved_1bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* beamID (15 bits) */
|
|
proto_tree_add_item_ret_uint(port_tree, hf_oran_beamId, tvb, offset, 2, ENC_BIG_ENDIAN, &beamId);
|
|
proto_item_append_text(port_ti, " (beamId=%u)", beamId);
|
|
offset += 2;
|
|
|
|
/* bfwCompParam (TODO: present in disableBFWs case?) */
|
|
gboolean compression_method_supported = FALSE;
|
|
guint32 exponent = 0;
|
|
offset = dissect_bfwCompParam(tvb, port_tree, pinfo, offset, comp_meth_ti,
|
|
bfwcomphdr_comp_meth, &exponent, &compression_method_supported);
|
|
|
|
|
|
if (!disableBFWs) {
|
|
/*****************************************************************/
|
|
/* Table 7.7.19.1-1 (there is no part 2 for disableBFWs case...) */
|
|
/*****************************************************************/
|
|
|
|
/* Look up width of samples. */
|
|
guint8 iq_width = !bfwcomphdr_iq_width ? 16 : bfwcomphdr_iq_width;
|
|
|
|
gint bit_offset = offset*8;
|
|
gint bfw_offset;
|
|
|
|
/* Add weights for each TRX */
|
|
for (guint b=0; b < pref_num_bf_antennas; b++) {
|
|
|
|
/* Create BFW subtree */
|
|
bfw_offset = bit_offset / 8;
|
|
guint8 bfw_extent = ((bit_offset + (iq_width*2)) / 8) - bfw_offset;
|
|
proto_item *bfw_ti = proto_tree_add_string_format(port_tree, hf_oran_bfw,
|
|
tvb, bfw_offset, bfw_extent,
|
|
"", "TRX %u: (", b);
|
|
proto_tree *bfw_tree = proto_item_add_subtree(bfw_ti, ett_oran_bfw);
|
|
|
|
/* I */
|
|
/* Get bits, and convert to float. */
|
|
guint32 bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
gfloat value = decompress_value(bits, bfwcomphdr_comp_meth, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_i, tvb, bit_offset/8, (iq_width+7)/8, value, "#%u=%f", b, value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "I%u=%f ", b, value);
|
|
|
|
/* Q */
|
|
/* Get bits, and convert to float. */
|
|
bits = tvb_get_bits(tvb, bit_offset, iq_width, ENC_BIG_ENDIAN);
|
|
value = decompress_value(bits, bfwcomphdr_comp_meth, iq_width, exponent);
|
|
/* Add to tree. */
|
|
proto_tree_add_float_format_value(bfw_tree, hf_oran_bfw_q, tvb, bit_offset/8, (iq_width+7)/8, value, "#%u=%f", b, value);
|
|
bit_offset += iq_width;
|
|
proto_item_append_text(bfw_ti, "Q%u=%f)", b, value);
|
|
}
|
|
|
|
offset = (bit_offset+7)/8;
|
|
}
|
|
else {
|
|
/* No weights... */
|
|
|
|
/* Reserved (1 bit) */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_reserved, tvb, offset*8, 1, ENC_BIG_ENDIAN);
|
|
/* beamID (15 bits) */
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_beamId, tvb, offset, 2, ENC_BIG_ENDIAN, &beamId);
|
|
proto_item_append_text(port_ti, " (beamId=%u)", beamId);
|
|
offset += 2;
|
|
}
|
|
|
|
/* Set length of this port entry */
|
|
proto_item_set_len(port_ti, offset-port_start_offset);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case 20: /* Puncturing extension */
|
|
{
|
|
/* numPuncPatterns */
|
|
guint32 numPuncPatterns;
|
|
proto_tree_add_item_ret_uint(extension_tree, hf_oran_numPuncPatterns, tvb, offset, 1, ENC_BIG_ENDIAN, &numPuncPatterns);
|
|
offset += 1;
|
|
|
|
/* Add each puncturing pattern */
|
|
for (guint32 n=0; n < numPuncPatterns; n++) {
|
|
guint pattern_start_offset = offset;
|
|
|
|
/* Subtree for this puncturing pattern */
|
|
proto_item *pattern_ti = proto_tree_add_string_format(extension_tree, hf_oran_puncPattern,
|
|
tvb, offset, 0,
|
|
"", "Puncturing Pattern: %u/%u", n+1, hf_oran_numPuncPatterns);
|
|
proto_tree *pattern_tree = proto_item_add_subtree(pattern_ti, ett_oran_punc_pattern);
|
|
|
|
/* SymbolMask (14 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_symbolMask_ext20, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* startPuncPrb (10 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_startPuncPrb, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* numPuncPrb (8 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_numPuncPrb, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* puncReMask (12 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_puncReMask, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* rb (1 bit) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_rb, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* reserved (2 bits? - spec says 1) */
|
|
proto_tree_add_bits_item(pattern_tree, hf_oran_reserved, tvb, offset*8, 2, ENC_BIG_ENDIAN);
|
|
/* rbgIncl */
|
|
gboolean rbgIncl;
|
|
proto_tree_add_item_ret_boolean(pattern_tree, hf_oran_RbgIncl, tvb, offset, 1, ENC_BIG_ENDIAN, &rbgIncl);
|
|
offset += 1;
|
|
|
|
if (rbgIncl) {
|
|
/* reserved (1 bit) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_reserved_1bit, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* rbgSize(3 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_rbgSize, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
/* rbgMask (28 bits) */
|
|
proto_tree_add_item(pattern_tree, hf_oran_rbgMask, tvb, offset, 4, ENC_BIG_ENDIAN);
|
|
offset += 4;
|
|
}
|
|
|
|
proto_item_set_len(pattern_ti, offset-pattern_start_offset);
|
|
}
|
|
|
|
break;
|
|
}
|
|
case 21: /* Variable PRB group size for channel information */
|
|
/* ciPrbGroupSize */
|
|
proto_tree_add_item(extension_tree, hf_oran_ci_prb_group_size, tvb, offset, 1, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
/* reserved (8 bits) */
|
|
proto_tree_add_bits_item(extension_tree, hf_oran_reserved, tvb, offset*8, 8, ENC_BIG_ENDIAN);
|
|
offset += 1;
|
|
break;
|
|
|
|
case 22: /* ACK/NACK request */
|
|
proto_tree_add_item(extension_tree, hf_oran_ack_nack_req_id, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
break;
|
|
|
|
default:
|
|
/* Other/unexpected extension types. */
|
|
break;
|
|
}
|
|
|
|
/* Check offset compared with extlen. There should be 0-3 bytes of padding */
|
|
gint num_padding_bytes = (extension_start_offset + (extlen*4) - offset);
|
|
if ((num_padding_bytes<0) || (num_padding_bytes>3)) {
|
|
expert_add_info_format(pinfo, extlen_ti, &ei_oran_extlen_wrong,
|
|
"extlen signalled %u bytes (+ 0-3 bytes padding), but %u were dissected",
|
|
extlen*4, offset-extension_start_offset);
|
|
}
|
|
|
|
/* Move offset to beyond signalled length of extension */
|
|
offset = extension_start_offset + (extlen*4);
|
|
|
|
/* Set length of extension header. */
|
|
proto_item_set_len(extension_ti, extlen*4);
|
|
}
|
|
|
|
/* Set extent of overall section */
|
|
proto_item_set_len(sectionHeading, offset);
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* Dissect udCompHdr (user data compression header, 7.5.2.10) */
|
|
/* bit_width and comp_meth are out params */
|
|
static int dissect_udcomphdr(tvbuff_t *tvb, packet_info *pinfo _U_, proto_tree *tree, guint offset,
|
|
guint *bit_width, guint *comp_meth)
|
|
{
|
|
/* Subtree */
|
|
proto_item *udcomphdr_ti = proto_tree_add_string_format(tree, hf_oran_udCompHdr,
|
|
tvb, offset, 1, "",
|
|
"udCompHdr");
|
|
proto_tree *udcomphdr_tree = proto_item_add_subtree(udcomphdr_ti, ett_oran_udcomphdr);
|
|
|
|
/* udIqWidth */
|
|
guint32 hdr_iq_width;
|
|
proto_item *iq_width_item = proto_tree_add_item_ret_uint(udcomphdr_tree, hf_oran_udCompHdrIqWidth , tvb, offset, 1, ENC_NA, &hdr_iq_width);
|
|
*bit_width = (hdr_iq_width) ? hdr_iq_width : 16;
|
|
proto_item_append_text(iq_width_item, " (%u bits)", *bit_width);
|
|
|
|
/* udCompMeth */
|
|
guint32 ud_comp_meth;
|
|
proto_tree_add_item_ret_uint(udcomphdr_tree, hf_oran_udCompHdrMeth, tvb, offset, 1, ENC_NA, &ud_comp_meth);
|
|
if (comp_meth) {
|
|
*comp_meth = ud_comp_meth;
|
|
}
|
|
offset += 1;
|
|
|
|
/* Summary */
|
|
proto_item_append_text(udcomphdr_ti, " (IqWidth=%u, udCompMeth=%s)",
|
|
*bit_width, rval_to_str_const(ud_comp_meth, ud_comp_header_meth, "Unknown"));
|
|
return offset;
|
|
}
|
|
|
|
|
|
/* Control plane dissector (section 7). */
|
|
static int dissect_oran_c(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
guint offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "O-RAN-FH-C");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "C-Plane");
|
|
|
|
/* Create display subtree for the protocol */
|
|
proto_item *protocol_item = proto_tree_add_item(tree, proto_oran, tvb, 0, -1, ENC_NA);
|
|
proto_item_append_text(protocol_item, "-C");
|
|
proto_tree *oran_tree = proto_item_add_subtree(protocol_item, ett_oran);
|
|
|
|
guint16 eAxC;
|
|
addPcOrRtcid(tvb, oran_tree, &offset, "ecpriRtcid", &eAxC);
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
/* TODO: create or update conversation for stream eAxC */
|
|
}
|
|
else {
|
|
/* TODO: show stored state for this stream */
|
|
}
|
|
|
|
/* Message identifier */
|
|
addSeqid(tvb, oran_tree, &offset);
|
|
|
|
proto_item *sectionHeading;
|
|
|
|
/* section subtree */
|
|
gint section_tree_offset = offset;
|
|
proto_tree *section_tree = proto_tree_add_subtree(oran_tree, tvb, offset, 2, ett_oran_section_type, §ionHeading, "C-Plane Section Type ");
|
|
|
|
/* dataDirection */
|
|
guint32 direction = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_data_direction, tvb, offset, 1, ENC_NA, &direction);
|
|
/* payloadVersion */
|
|
proto_tree_add_item(section_tree, hf_oran_payload_version, tvb, offset, 1, ENC_NA);
|
|
/* payloadVersion */
|
|
proto_tree_add_item(section_tree, hf_oran_filter_index, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
guint ref_a_offset = 0;
|
|
/* frameId */
|
|
guint32 frameId = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_frame_id, tvb, offset, 1, ENC_NA, &frameId);
|
|
offset += 1;
|
|
|
|
/* subframeId */
|
|
guint32 subframeId = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_subframe_id, tvb, offset, 1, ENC_NA, &subframeId);
|
|
/* slotId */
|
|
guint32 slotId = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_slot_id, tvb, offset, 2, ENC_BIG_ENDIAN, &slotId);
|
|
offset++;
|
|
/* startSymbolId */
|
|
guint32 startSymbolId = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_start_symbol_id, tvb, offset, 1, ENC_NA, &startSymbolId);
|
|
offset++;
|
|
|
|
char id[16];
|
|
snprintf(id, 16, "%d-%d-%d", frameId, subframeId, slotId);
|
|
proto_item *pi = proto_tree_add_string(section_tree, hf_oran_refa, tvb, ref_a_offset, 3, id);
|
|
proto_item_set_generated(pi);
|
|
|
|
/* numberOfSections */
|
|
guint32 nSections = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_numberOfSections, tvb, offset, 1, ENC_NA, &nSections);
|
|
offset += 1;
|
|
|
|
/* sectionType */
|
|
guint32 sectionType = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_sectionType, tvb, offset, 1, ENC_NA, §ionType);
|
|
offset += 1;
|
|
|
|
/* Section-specific fields (white entries in Section Type diagrams) */
|
|
guint bit_width = 0;
|
|
|
|
guint32 scs, slots_per_subframe;
|
|
guint32 num_ues = 0;
|
|
proto_item *ti;
|
|
|
|
switch (sectionType) {
|
|
case SEC_C_UNUSED_RB: /* Section Type "0" */
|
|
/* timeOffset */
|
|
proto_tree_add_item(section_tree, hf_oran_timeOffset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* frameStructure */
|
|
proto_tree_add_item(section_tree, hf_oran_frameStructure_fft, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_frameStructure_subcarrier_spacing, tvb, offset, 1, ENC_NA, &scs);
|
|
/* slots_per_subframe = 1 << scs; */
|
|
offset += 1;
|
|
|
|
/* cpLength */
|
|
proto_tree_add_item(section_tree, hf_oran_cpLength, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* reserved */
|
|
proto_tree_add_item(section_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
break;
|
|
|
|
case SEC_C_NORMAL: /* Section Type "1" */
|
|
case SEC_C_UE_SCHED: /* Section Type "5" */
|
|
/* udCompHdr */
|
|
offset = dissect_udcomphdr(tvb, pinfo, section_tree, offset, &bit_width, NULL);
|
|
/* reserved */
|
|
proto_tree_add_item(section_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
break;
|
|
|
|
case SEC_C_PRACH: /* Section Type "3" */
|
|
/* timeOffset */
|
|
proto_tree_add_item(section_tree, hf_oran_timeOffset, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* frameStructure */
|
|
proto_tree_add_item(section_tree, hf_oran_frameStructure_fft, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_frameStructure_subcarrier_spacing, tvb, offset, 1, ENC_NA, &scs);
|
|
slots_per_subframe = 1 << scs;
|
|
ti = proto_tree_add_uint(section_tree, hf_oran_slot_within_frame, tvb, 0, 0, (slots_per_subframe*subframeId) + slotId);
|
|
proto_item_set_generated(ti);
|
|
offset += 1;
|
|
/* cpLength */
|
|
proto_tree_add_item(section_tree, hf_oran_cpLength, tvb, offset, 2, ENC_BIG_ENDIAN);
|
|
offset += 2;
|
|
/* udCompHdr */
|
|
offset = dissect_udcomphdr(tvb, pinfo, section_tree, offset, &bit_width, NULL);
|
|
break;
|
|
|
|
case SEC_C_CH_INFO:
|
|
/* numberOfUEs */
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_numberOfUEs, tvb, offset, 1, ENC_NA, &num_ues);
|
|
offset += 1;
|
|
/* reserved */
|
|
proto_tree_add_item(section_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
/* Number of sections may not be filled in, so set to the number of UEs */
|
|
if (nSections == 0) {
|
|
nSections = num_ues;
|
|
}
|
|
break;
|
|
|
|
case SEC_C_RSVD2:
|
|
case SEC_C_LAA:
|
|
/* TODO: */
|
|
break;
|
|
};
|
|
|
|
/* Set actual length of section. */
|
|
proto_item_set_len(section_tree, offset - section_tree_offset);
|
|
|
|
proto_item_append_text(sectionHeading, "%d, %s, Frame: %d, Subframe: %d, Slot: %d, StartSymbol: %d",
|
|
sectionType, val_to_str(direction, data_direction_vals, "Unknown"),
|
|
frameId, subframeId, slotId, startSymbolId);
|
|
write_pdu_label_and_info(protocol_item, NULL, pinfo, ", Type: %d %s", sectionType, rval_to_str(sectionType, section_types_short, "Unknown"));
|
|
|
|
/* Dissect each C section */
|
|
for (guint32 i = 0; i < nSections; ++i) {
|
|
tvbuff_t *section_tvb = tvb_new_subset_length_caplen(tvb, offset, -1, -1);
|
|
offset += dissect_oran_c_section(section_tvb, oran_tree, pinfo, sectionType, protocol_item);
|
|
}
|
|
|
|
/* Expert error if we are short of tvb by > 3 bytes */
|
|
if (tvb_reported_length_remaining(tvb, offset) > 3) {
|
|
expert_add_info_format(pinfo, protocol_item, &ei_oran_frame_length,
|
|
"%u bytes remain at end of frame - should be 0-3",
|
|
tvb_reported_length_remaining(tvb, offset));
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
/* User plane dissector (section 8) */
|
|
static int
|
|
dissect_oran_u(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _U_)
|
|
{
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
gint offset = 0;
|
|
|
|
col_set_str(pinfo->cinfo, COL_PROTOCOL, "O-RAN-FH-U");
|
|
col_set_str(pinfo->cinfo, COL_INFO, "U-Plane");
|
|
|
|
/* create display subtree for the protocol */
|
|
proto_item *protocol_item = proto_tree_add_item(tree, proto_oran, tvb, 0, -1, ENC_NA);
|
|
proto_item_append_text(protocol_item, "-U");
|
|
proto_tree *oran_tree = proto_item_add_subtree(protocol_item, ett_oran);
|
|
|
|
/* Transport header */
|
|
/* Real-time control data / IQ data transfer message series identifier */
|
|
guint16 eAxC;
|
|
addPcOrRtcid(tvb, oran_tree, &offset, "ecpriPcid", &eAxC);
|
|
|
|
if (!PINFO_FD_VISITED(pinfo)) {
|
|
/* TODO: create or update conversation for stream eAxC */
|
|
}
|
|
else {
|
|
/* TODO: show stored state for this stream */
|
|
}
|
|
|
|
/* Message identifier */
|
|
addSeqid(tvb, oran_tree, &offset);
|
|
|
|
/* Common header for time reference */
|
|
proto_item *timingHeader;
|
|
proto_tree *timing_header_tree = proto_tree_add_subtree(oran_tree, tvb, offset, 4, ett_oran_u_timing, &timingHeader, "Timing header");
|
|
|
|
/* dataDirection */
|
|
guint32 direction;
|
|
proto_tree_add_item_ret_uint(timing_header_tree, hf_oran_data_direction, tvb, offset, 1, ENC_NA, &direction);
|
|
/* payloadVersion */
|
|
proto_tree_add_item(timing_header_tree, hf_oran_payload_version, tvb, offset, 1, ENC_NA);
|
|
/* filterIndex */
|
|
proto_tree_add_item(timing_header_tree, hf_oran_filter_index, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
|
|
gint ref_a_offset = offset;
|
|
|
|
/* frameId */
|
|
guint32 frameId = 0;
|
|
proto_tree_add_item_ret_uint(timing_header_tree, hf_oran_frame_id, tvb, offset, 1, ENC_NA, &frameId);
|
|
offset += 1;
|
|
|
|
/* subframeId */
|
|
guint32 subframeId = 0;
|
|
proto_tree_add_item_ret_uint(timing_header_tree, hf_oran_subframe_id, tvb, offset, 1, ENC_NA, &subframeId);
|
|
/* slotId */
|
|
guint32 slotId = 0;
|
|
proto_tree_add_item_ret_uint(timing_header_tree, hf_oran_slot_id, tvb, offset, 2, ENC_BIG_ENDIAN, &slotId);
|
|
offset++;
|
|
/* symbolId */
|
|
guint32 symbolId = 0;
|
|
proto_tree_add_item_ret_uint(timing_header_tree, hf_oran_symbolId, tvb, offset, 1, ENC_NA, &symbolId);
|
|
offset++;
|
|
|
|
char id[16];
|
|
snprintf(id, 16, "%d-%d-%d", frameId, subframeId, slotId);
|
|
proto_item *pi = proto_tree_add_string(timing_header_tree, hf_oran_refa, tvb, ref_a_offset, 3, id);
|
|
proto_item_set_generated(pi);
|
|
|
|
proto_item_append_text(timingHeader, " %s, Frame: %d, Subframe: %d, Slot: %d, Symbol: %d",
|
|
val_to_str(direction, data_direction_vals, "Unknown"), frameId, subframeId, slotId, symbolId);
|
|
|
|
guint sample_bit_width;
|
|
gint compression;
|
|
gboolean includeUdCompHeader;
|
|
|
|
if (direction == DIR_UPLINK) {
|
|
sample_bit_width = pref_sample_bit_width_uplink;
|
|
compression = pref_iqCompressionUplink;
|
|
includeUdCompHeader = pref_includeUdCompHeaderUplink;
|
|
} else {
|
|
sample_bit_width = pref_sample_bit_width_downlink;
|
|
compression = pref_iqCompressionDownlink;
|
|
includeUdCompHeader = pref_includeUdCompHeaderDownlink;
|
|
}
|
|
|
|
/* Need a valid value (e.g. 9, 14). 0 definitely won't work, as won't progress around loop! */
|
|
if (sample_bit_width == 0) {
|
|
expert_add_info_format(pinfo, protocol_item, &ei_oran_invalid_sample_bit_width,
|
|
"%cL Sample bit width from preference (%u) not valid, so can't decode sections",
|
|
(direction == DIR_UPLINK) ? 'U' : 'D', sample_bit_width);
|
|
return offset;
|
|
}
|
|
|
|
guint bytesLeft;
|
|
|
|
guint number_of_sections = 0;
|
|
guint nBytesPerPrb;
|
|
|
|
do {
|
|
proto_item *sectionHeading;
|
|
proto_tree *section_tree = proto_tree_add_subtree(oran_tree, tvb, offset, 2, ett_oran_u_section, §ionHeading, "Section");
|
|
|
|
/* Section Header fields */
|
|
|
|
/* sectionId */
|
|
guint32 sectionId = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_section_id, tvb, offset, 2, ENC_BIG_ENDIAN, §ionId);
|
|
offset++;
|
|
/* rb */
|
|
proto_tree_add_item(section_tree, hf_oran_rb, tvb, offset, 1, ENC_NA);
|
|
/* symInc */
|
|
proto_tree_add_item(section_tree, hf_oran_symInc, tvb, offset, 1, ENC_NA);
|
|
/* startPrbu */
|
|
guint32 startPrbu = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_startPrbu, tvb, offset, 2, ENC_BIG_ENDIAN, &startPrbu);
|
|
offset += 2;
|
|
|
|
/* numPrbu */
|
|
guint32 numPrbu = 0;
|
|
proto_tree_add_item_ret_uint(section_tree, hf_oran_numPrbu, tvb, offset, 1, ENC_NA, &numPrbu);
|
|
offset += 1;
|
|
|
|
if (includeUdCompHeader) {
|
|
/* 5.4.4.10. Described in 6.3.3.13 */
|
|
/* Extract these values to inform how wide IQ samples in each PRB will be. */
|
|
offset = dissect_udcomphdr(tvb, pinfo, section_tree, offset, &sample_bit_width, &compression);
|
|
|
|
/* Not part of udCompHdr */
|
|
proto_tree_add_item(section_tree, hf_oran_rsvd8, tvb, offset, 1, ENC_NA);
|
|
offset += 1;
|
|
}
|
|
|
|
/* Work this out each time, as udCompHdr may have changed things */
|
|
guint nBytesForSamples = (sample_bit_width * 12 * 2) / 8;
|
|
nBytesPerPrb = nBytesForSamples;
|
|
if ((compression != COMP_NONE) && (compression != COMP_MODULATION)) {
|
|
nBytesPerPrb++; /* 1 extra byte reserved/exponent */
|
|
}
|
|
|
|
|
|
write_section_info(sectionHeading, pinfo, protocol_item, sectionId, startPrbu, numPrbu);
|
|
|
|
/* TODO: should this use the same pref as c-plane? */
|
|
if (numPrbu == 0) {
|
|
/* Special case for all PRBs (NR: the total number of PRBs may be > 255) */
|
|
numPrbu = pref_data_plane_section_total_rbs;
|
|
startPrbu = 0; /* may already be 0... */
|
|
}
|
|
|
|
for (guint i = 0; i < numPrbu; ++i) {
|
|
proto_item *prbHeading;
|
|
proto_tree *rb_tree = proto_tree_add_subtree(section_tree, tvb, offset, nBytesPerPrb, ett_oran_u_prb, &prbHeading, "PRB");
|
|
guint32 exponent = 0;
|
|
if ((compression != COMP_NONE) && (compression != COMP_MODULATION)) {
|
|
proto_tree_add_item(rb_tree, hf_oran_reserved_4bits, tvb, offset, 1, ENC_NA);
|
|
proto_tree_add_item_ret_uint(rb_tree, hf_oran_exponent, tvb, offset, 1, ENC_BIG_ENDIAN, &exponent);
|
|
offset += 1;
|
|
}
|
|
/* Show PRB number in root */
|
|
proto_item_append_text(prbHeading, " %u", startPrbu + i);
|
|
|
|
|
|
proto_tree_add_item(rb_tree, hf_oran_iq_user_data, tvb, offset, nBytesForSamples, ENC_NA);
|
|
|
|
if (pref_showIQSampleValues) {
|
|
/* Individual values */
|
|
guint samples_offset = offset*8;
|
|
guint sample_number = 0;
|
|
for (guint n = 0; n<12; n++) {
|
|
/* I */
|
|
guint i_bits = tvb_get_bits(tvb, samples_offset, sample_bit_width, ENC_BIG_ENDIAN);
|
|
gfloat i_value = decompress_value(i_bits, COMP_BLOCK_FP, sample_bit_width, exponent);
|
|
i_value = digital_power_scaling(i_value);
|
|
guint sample_len_in_bytes = ((samples_offset%8)+sample_bit_width+7)/8;
|
|
proto_item *i_ti = proto_tree_add_float(rb_tree, hf_oran_iSample, tvb, samples_offset/8, sample_len_in_bytes, i_value);
|
|
proto_item_set_text(i_ti, "iSample: %0.12f 0x%04x (iSample-%u in the PRB)", i_value, i_bits, sample_number);
|
|
samples_offset += sample_bit_width;
|
|
/* Q */
|
|
guint q_bits = tvb_get_bits(tvb, samples_offset, sample_bit_width, ENC_BIG_ENDIAN);
|
|
gfloat q_value = decompress_value(q_bits, COMP_BLOCK_FP, sample_bit_width, exponent);
|
|
q_value = digital_power_scaling(q_value);
|
|
sample_len_in_bytes = ((samples_offset%8)+sample_bit_width+7)/8;
|
|
proto_item *q_ti = proto_tree_add_float(rb_tree, hf_oran_qSample, tvb, samples_offset/8, sample_len_in_bytes, q_value);
|
|
proto_item_set_text(q_ti, "qSample: %0.12f 0x%04x (qSample-%u in the PRB)", q_value, q_bits, sample_number);
|
|
samples_offset += sample_bit_width;
|
|
|
|
sample_number++;
|
|
}
|
|
proto_item_append_text(prbHeading, " (%u samples)", sample_number);
|
|
}
|
|
|
|
offset += nBytesForSamples;
|
|
|
|
proto_item_set_len(sectionHeading, nBytesPerPrb * numPrbu + 4); /* 4 bytes for section header */
|
|
}
|
|
bytesLeft = tvb_captured_length(tvb) - offset;
|
|
number_of_sections++;
|
|
} while (bytesLeft >= (4 + nBytesPerPrb)); /* FIXME: bad heuristic */
|
|
|
|
/* Show number of sections found */
|
|
proto_item *ti = proto_tree_add_uint(oran_tree, hf_oran_numberOfSections, tvb, 0, 0, number_of_sections);
|
|
proto_item_set_generated(ti);
|
|
|
|
/* Expert error if we are short of tvb by > 3 bytes */
|
|
if (tvb_reported_length_remaining(tvb, offset) > 3) {
|
|
expert_add_info_format(pinfo, protocol_item, &ei_oran_frame_length,
|
|
"%u bytes remain at end of frame - should be 0-3",
|
|
tvb_reported_length_remaining(tvb, offset));
|
|
}
|
|
|
|
return tvb_captured_length(tvb);
|
|
}
|
|
|
|
|
|
/*****************************/
|
|
/* Main dissection function. */
|
|
/* N.B. ecpri message type passed in as 'data' arg by eCPRI dissector */
|
|
static int
|
|
dissect_oran(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data)
|
|
{
|
|
guint32 ecpri_message_type = *(guint32 *)data;
|
|
|
|
switch (ecpri_message_type) {
|
|
case ECPRI_MT_IQ_DATA:
|
|
return dissect_oran_u(tvb, pinfo, tree, data);
|
|
case ECPRI_MT_RT_CTRL_DATA:
|
|
return dissect_oran_c(tvb, pinfo, tree, data);
|
|
|
|
default:
|
|
/* Not dissecting other types - assume these are handled by eCPRI dissector */
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
/* Register the protocol with Wireshark. */
|
|
void
|
|
proto_register_oran(void)
|
|
{
|
|
static hf_register_info hf[] = {
|
|
|
|
/* Section 3.1.3.1.6 */
|
|
{ &hf_oran_du_port_id,
|
|
{ "DU Port ID", "oran_fh_cus.du_port_id",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Width set in dissector preference", HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.6 */
|
|
{ &hf_oran_bandsector_id,
|
|
{ "BandSector ID", "oran_fh_cus.bandsector_id",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Width set in dissector preference", HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.6 */
|
|
{ &hf_oran_cc_id,
|
|
{ "CC ID", "oran_fh_cus.cc_id",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Width set in dissector preference", HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.6 */
|
|
{ &hf_oran_ru_port_id,
|
|
{ "RU Port ID", "oran_fh_cus.ru_port_id",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Width set in dissector preference", HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.7 */
|
|
{ &hf_oran_sequence_id,
|
|
{ "Sequence ID", "oran_fh_cus.sequence_id",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"The Sequence ID wraps around individually per c_eAxC",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.7 */
|
|
{ &hf_oran_e_bit,
|
|
{ "E Bit", "oran_fh_cus.e_bit",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(e_bit), 0x80,
|
|
"One bit (the \"E-bit\") is reserved to indicate the last message of a subsequence",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 3.1.3.1.7 */
|
|
{ &hf_oran_subsequence_id,
|
|
{ "Subsequence ID", "oran_fh_cus.subsequence_id",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x7f,
|
|
"The subsequence identifier",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 5.4.4.1 */
|
|
{ &hf_oran_data_direction,
|
|
{ "Data Direction", "oran_fh_cus.data_direction",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(data_direction_vals), 0x80,
|
|
"The gNB data direction",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 5.4.4.2 */
|
|
{ &hf_oran_payload_version,
|
|
{"Payload Version", "oran_fh_cus.payloadVersion",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x70,
|
|
"Payload protocol version valid for the "
|
|
"following IEs in the application layer. In this version of the "
|
|
"specification payloadVersion=001b shall be used",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.3 */
|
|
{&hf_oran_filter_index,
|
|
{"Filter Index", "oran_fh_cus.filterIndex",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(filter_indices), 0x0f,
|
|
"An index to the channel filter to be used "
|
|
"between IQ data and air interface, both in DL and UL. For most "
|
|
"physical channels filterIndex =0000b is used which indexes the "
|
|
"standard channel filter, e.g. 100MHz channel filter for 100MHz "
|
|
"nominal carrier bandwidth. Another use case is PRACH in UL, where "
|
|
"different filter indices can be used for different PRACH formats, "
|
|
"assuming that before FFT processing of PRACH data there is a "
|
|
"separate PRACH filter or PRACH filter in addition to the standard "
|
|
"channel filter in UL. Please note that for PRACH there is typically "
|
|
"also a frequency offset (see freqOffset) applied before the "
|
|
"PRACH filter. NOTE: Filter index is commanded from lls-CU to RU. "
|
|
"Likewise, it is not mandatory to command special filters, and "
|
|
"filter index = 0000b is also allowed for PRACH",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.4 */
|
|
{&hf_oran_frame_id,
|
|
{"Frame ID", "oran_fh_cus.frameId",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x00,
|
|
"A counter for 10 ms frames (wrapping period 2.56 seconds)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.5 */
|
|
{&hf_oran_subframe_id,
|
|
{"Subframe ID", "oran_fh_cus.subframe_id",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0xf0,
|
|
"A counter for 1 ms sub-frames within 10ms frame",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.6 */
|
|
{&hf_oran_slot_id,
|
|
{"Slot ID", "oran_fh_cus.slotId",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0fc0,
|
|
"Slot number within a 1ms sub-frame. All slots "
|
|
"in one sub-frame are counted by this parameter, slotId running "
|
|
"from 0 to Nslot-1. In this version of the specification the "
|
|
"maximum Nslot=16, All other values of the 6 bits are reserved for "
|
|
"future use",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.6 */
|
|
{&hf_oran_slot_within_frame,
|
|
{"Slot within frame", "oran_fh_cus.slot-within-frame",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Slot within frame, to match DT logs",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.7 */
|
|
{&hf_oran_start_symbol_id,
|
|
{"Start Symbol ID", "oran_fh_cus.startSymbolId",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x3f,
|
|
"The first symbol number within slot, to "
|
|
"which the information of this message is applies",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.8 */
|
|
{&hf_oran_numberOfSections,
|
|
{"Number of Sections", "oran_fh_cus.numberOfSections",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x00,
|
|
"The number of section IDs included in this C-Plane message",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.9 */
|
|
{&hf_oran_sectionType,
|
|
{"Section Type", "oran_fh_cus.sectionType",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(section_types), 0x00,
|
|
"Determines the characteristics of U-plane data to "
|
|
"be transferred or received from a beam with one pattern id",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.10 */
|
|
{&hf_oran_udCompHdr,
|
|
{"udCompHdr", "oran_fh_cus.udCompHdr",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x00,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.11 */
|
|
{&hf_oran_numberOfUEs,
|
|
{"Number Of UEs", "oran_fh_cus.numberOfUEs",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x00,
|
|
"Applies to section type 6 messages and indicates "
|
|
"the number of UEs (for which channel information is provided) are "
|
|
"included in the message. This allows the parser to determine "
|
|
"when the last UE's data has been parsed",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.4.12 */
|
|
{&hf_oran_timeOffset,
|
|
{"Time Offset", "oran_fh_cus.timeOffset",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"The time_offset from the start of the slot "
|
|
"to the start of the Cyclic Prefix (CP) in number of samples tsample "
|
|
"(=1/30.72MHz as specified in 3GPP TS38.211 section 4.1). "
|
|
"Because this is denominated in \"samples\" there is no fixed "
|
|
"microsecond unit for this parameter; time_offset = \"n\" may be longer "
|
|
"or shorter in time depending on the sampling interval (which is "
|
|
"a NR capability only, not applicable to LTE). time_offset = time"
|
|
"Offset * tsample",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.2.13 */
|
|
{ &hf_oran_frameStructure_fft,
|
|
{ "FFT Size", "oran_fh_cus.frameStructure.fft",
|
|
FT_UINT8, BASE_HEX | BASE_RANGE_STRING,
|
|
RVALS(frame_structure_fft), 0xf0,
|
|
"The FFT/iFFT size being used for all IQ data processing related "
|
|
"to this message",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 7.5.2.13 */
|
|
{ &hf_oran_frameStructure_subcarrier_spacing,
|
|
{ "Subcarrier Spacing", "oran_fh_cus.frameStructure.spacing",
|
|
FT_UINT8, BASE_HEX | BASE_RANGE_STRING,
|
|
RVALS(subcarrier_spacings), 0x0f,
|
|
"The sub carrier spacing "
|
|
"as well as the number of slots per 1ms sub-frame according "
|
|
"to 3GPP TS 38.211, taking for completeness also 3GPP TS 36.211 "
|
|
"into account. The parameter \u03bc=0...5 from 3GPP TS 38.211 is "
|
|
"extended to apply for PRACH processing",
|
|
HFILL }
|
|
},
|
|
|
|
/* Section 7.5.2.14 */
|
|
{&hf_oran_cpLength,
|
|
{"cpLength", "oran_fh_cus.cpLength",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"cyclic prefix length",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.1 */
|
|
{&hf_oran_section_id,
|
|
{"Section ID", "oran_fh_cus.sectionId",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0xfff0,
|
|
"Identifies individual sections within the C-Plane "
|
|
"message. The purpose of section ID is mapping of U-Plane messages "
|
|
"to the corresponding C-Plane message (and Section Type) associated "
|
|
"with the data. Two C-Plane sections with same Section ID "
|
|
"may be combined and mapped to a common section in a corresponding "
|
|
"U-Plane message containing a combined payload for both sections "
|
|
"(e.g., for supporting mixed CSI RS and PDSCH). This case is "
|
|
"applicable when usage of reMask is complimentary (or orthogonal) "
|
|
"and different beam directions (i.e. beamIds) are given the resource "
|
|
"elements. NOTE: In case of two sections with same Section ID "
|
|
"are combined, both sections shall have same rb, startPrbc, numPrbc "
|
|
"and numSymbol IE fields' content",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.2 */
|
|
{&hf_oran_rb,
|
|
{"RB Indicator", "oran_fh_cus.rb",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(rb_vals), 0x08,
|
|
"Indicate if every RB is used or every "
|
|
"other RB is used. The starting RB is defined by startPrbc and "
|
|
"total number of used RBs is defined by numPrbc. Example: RB=1, "
|
|
"startPrb=1, numPrb=3, then the PRBs used are 1, 3, and 5",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.5.3 */
|
|
{&hf_oran_symInc,
|
|
{"symInc", "oran_fh_cus.symInc",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(sym_inc_vals), 0x04,
|
|
"Symbol Number Increment Command",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.4 */
|
|
{&hf_oran_startPrbc,
|
|
{"startPrbc", "oran_fh_cus.startPrbc",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x03ff,
|
|
"Starting PRB of Control Plane Section",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.5 */
|
|
{&hf_oran_reMask,
|
|
{"RE Mask", "oran_fh_cus.reMask",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0xfff0,
|
|
"The Resource Element (RE) mask within a "
|
|
"PRB. Each bit setting in the reMask indicates if the section control "
|
|
"is applicable to the RE sent in U-Plane messages (0=not applicable; "
|
|
"1=applicable)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.6 */
|
|
{&hf_oran_numPrbc,
|
|
{"numPrbc", "oran_fh_cus.numPrbc",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Number of contiguous PRBs per data section description",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.7 */
|
|
{&hf_oran_numSymbol,
|
|
{"Number of Symbols", "oran_fh_cus.numSymbol",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0f,
|
|
"Defines number of symbols to which the section "
|
|
"control is applicable. At minimum, the section control shall be "
|
|
"applicable to at least one symbol. However, possible optimizations "
|
|
"could allow for several (up to 14) symbols, if e.g., all 14 "
|
|
"symbols use the same beam ID",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.8 */
|
|
{&hf_oran_ef,
|
|
{"Extension Flag", "oran_fh_cus.ef",
|
|
FT_BOOLEAN, 8,
|
|
NULL, 0x80,
|
|
"Used to indicate if this section will contain "
|
|
"both beamforming index and any ex(tension information (ef=1) or "
|
|
"just a beamforming index (ewf=0)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.9 */
|
|
{&hf_oran_beamId,
|
|
{"Beam ID", "oran_fh_cus.beamId",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x7fff,
|
|
"Defines the beam pattern to be applied to the U-Plane "
|
|
"data. beamId = 0 means no beamforming operation will be "
|
|
"performed. Note that the beamId encodes the beamforming to be done "
|
|
"on the RU. This beamforming may be digital, analog or both "
|
|
"(\"hybrid beamforming\") and the beamId provides all the information "
|
|
"necessary for the RU to select the correct beam (or weight table "
|
|
"from which to create a beam). The specific mapping of beamId "
|
|
"to e.g. weight table, directionality, beam adjacency or any other "
|
|
"beam attributes is specific to the RU design and must be conveyed "
|
|
"via M-Plane from the RU to lls-CU upon startup",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.6.2 */
|
|
{&hf_oran_extension,
|
|
{"Extension", "oran_fh_cus.extension",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Section extension",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.6.1 */
|
|
{&hf_oran_exttype,
|
|
{"extType", "oran_fh_cus.extType",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(exttype_vals), 0x7f,
|
|
"The extension type, which provides additional parameters specific to subject data extension",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.6.3 */
|
|
{&hf_oran_extlen,
|
|
{"extLen", "oran_fh_cus.extLen",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Extension length in 32-bit words",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.1 */
|
|
{&hf_oran_bfw,
|
|
{"bfw", "oran_fh_cus.bfw",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Set of weights for a particular antenna",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.1.3 */
|
|
{&hf_oran_bfw_i,
|
|
{"bfwI", "oran_fh_cus.bfwI",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"In-phase beamforming weight value. The total "
|
|
"number of weights in the section is RU-specific and is conveyed "
|
|
"from the RU to the lls-CU as part of the initialization procedure "
|
|
"via the M-Plane",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.1.4 */
|
|
{&hf_oran_bfw_q,
|
|
{"bfwQ", "oran_fh_cus.bfwQ",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Quadrature beamforming weight value. The "
|
|
"total number of weights in the section is RU-specific and is "
|
|
"conveyed from the RU to the lls-CU as part of the initialization "
|
|
"procedure via the M-Plane",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.10 */
|
|
{&hf_oran_ueId,
|
|
{"UE ID", "oran_fh_cus.ueId",
|
|
FT_UINT16, BASE_HEX_DEC,
|
|
NULL, 0x7fff,
|
|
"Label for the UE for which the section "
|
|
"contents apply. This is used to support channel information "
|
|
"sending from the lls-CU to the RU. This is just a label and the "
|
|
"specific value has no meaning regarding types of UEs that may be "
|
|
"supported within the system",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.11 */
|
|
{&hf_oran_freqOffset,
|
|
{"Frequency Offset", "oran_fh_cus.freqOffset",
|
|
FT_UINT24, BASE_DEC,
|
|
NULL, 0x0,
|
|
"The frequency offset with respect to the "
|
|
"carrier center frequency before additional filtering (e.g. for "
|
|
"PRACH) and FFT processing (in UL) in steps of subcarrier spacings"
|
|
" ?f. The frequency offset shall be individual per control section. "
|
|
"frequency_offset = freqOffset * ?f Note: It may be studied "
|
|
"whether this IEs should be individual per control section to allow "
|
|
"scheduling of several simultaneous PRACH opportunities with "
|
|
"different individual frequency offsets",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.12 */
|
|
{&hf_oran_regularizationFactor,
|
|
{"Regularization Factor", "oran_fh_cus.regularizationFactor",
|
|
FT_INT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Provides a signed value to support MMSE operation "
|
|
"within the RU when beamforming weights are supported in the RU, "
|
|
"so related to section type 6",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.14 */
|
|
{&hf_oran_laaMsgType,
|
|
{"LAA Message Type", "oran_fh_cus.laaMsgType",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(laaMsgTypes), 0xf0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.15 */
|
|
{&hf_oran_laaMsgLen,
|
|
{"LAA Message Length", "oran_fh_cus.laaMsgLen",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0f,
|
|
"Defines number of 32-bit words in the LAA section, "
|
|
"where \"0\" means one 32-bit word, \"1\" means 2 32-bit words, etc. "
|
|
"- including the byte containing the lssMsgLen parameter",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.16 */
|
|
{&hf_oran_lbtHandle,
|
|
{"LBT Handle", "oran_fh_cus.lbtHandle",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0x0,
|
|
"Provides a label that is included in the configuration "
|
|
"request message (e.g., LBT_PDSCH_REQ, LBT_DRS_REQ) transmitted "
|
|
"from the lls-CU to the RU and returned in the corresponding "
|
|
"response message (e.g., LBT_PDSCH_RSP, LBT_DRS_RSP)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.17 */
|
|
{&hf_oran_lbtDeferFactor,
|
|
{"Defer Factor", "oran_fh_cus.lbtDeferFactor",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x1c,
|
|
"Defer factor in sensing slots as described in 3GPP TS 36.213 "
|
|
"Section 15.1.1. This parameter is used for LBT CAT 4 and can take "
|
|
"one of three values: {1,3, 7} based on the priority class. Four "
|
|
"priority classes are defined in 3GPP TS 36.213",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.18 */
|
|
{&hf_oran_lbtBackoffCounter,
|
|
{"Backoff Counter", "oran_fh_cus.lbtBackoffCounter",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x03ff,
|
|
"LBT backoff counter in sensing slots as described in 3GPP TS 36.213 "
|
|
"Section 15.1.1. This parameter is used for LBT CAT 4 and can "
|
|
"take one of nine values: {3, 7, 15, 31, 63, 127, 255, 511, 1023} "
|
|
"based on the priority class. Four priority classes are defined "
|
|
"in 3GPP TS 36.213",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.19 */
|
|
{&hf_oran_lbtOffset,
|
|
{"LBT Offset", "oran_fh_cus.lbtOffset",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0xff80,
|
|
"LBT start time in microseconds from the beginning of the subframe "
|
|
"scheduled by this message",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 7.5.3.20 */
|
|
{&hf_oran_MCOT,
|
|
{"Maximum Channel Occupancy Time", "oran_fh_cus.MCOT",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0xf0,
|
|
"LTE TXOP duration in subframes as described in 3GPP TS 36.213 "
|
|
"Section 15.1.1. The maximum values for this parameter are {2, 3, 8, "
|
|
"10} based on the priority class. Four priority classes are "
|
|
"defined in 3GPP TS 36.213",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.21 */
|
|
{&hf_oran_txopSfnSfEnd,
|
|
{"TXOP SFN/SF End", "oran_fh_cus.txopSfnSfEnd",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0fff,
|
|
"SFN/SF by which the TXOP must end",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.22 */
|
|
{&hf_oran_lbtMode,
|
|
{"LBT Mode", "oran_fh_cus.lbtMode",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x20,
|
|
"Part of multi-carrier support. Indicates whether full LBT process "
|
|
"is carried or partial LBT process is carried (multi carrier mode "
|
|
"B according to 3GPP TS 36.213 Section 15.1.5.2). 0 - full LBT "
|
|
"(regular LBT). 1 - Partial LBT (looking back 25usec prior to "
|
|
"transmission as indicated in 3GPP TS 36.213 section 15.1.5.2)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.23 */
|
|
{&hf_oran_sfnSfEnd,
|
|
{"SFN/SF End", "oran_fh_cus.sfnSfEnd",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0fff,
|
|
"SFN/SF by which the DRS window must end",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.24 */
|
|
{&hf_oran_lbtResult,
|
|
{"LBT Result", "oran_fh_cus.lbtResult",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x80,
|
|
"LBT result of SFN/SF. 0 - SUCCESS - indicates that the channel was "
|
|
"successfully acquired. 1 - FAILURE - indicates failure to "
|
|
"acquire the channel by the end of SFN/SF",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.25 */
|
|
{&hf_oran_lteTxopSymbols,
|
|
{"LTE TXOP Symbols", "oran_fh_cus.lteTxopSymbols",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x3fff,
|
|
"Actual LTE TXOP in symbols. Valid when LBT result = SUCCESS",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.26 */
|
|
{&hf_oran_initialPartialSF,
|
|
{"Initial partial SF", "oran_fh_cus.initialPartialSF",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x40,
|
|
"Indicates whether the initial SF in the LBT process is full or "
|
|
"partial. 0 - full SF (two slots, 14 symbols). 1 - partial SF (only "
|
|
"second slot, last 7 symbols)",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.5.27 */
|
|
{&hf_oran_reserved,
|
|
{"reserved", "oran_fh_cus.reserved",
|
|
FT_UINT64, BASE_HEX,
|
|
NULL, 0x0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
{&hf_oran_reserved_1bit,
|
|
{"reserved", "oran_fh_cus.reserved",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0x80,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{&hf_oran_reserved_2bits,
|
|
{"reserved", "oran_fh_cus.reserved",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0xc0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{&hf_oran_reserved_4bits,
|
|
{"reserved", "oran_fh_cus.reserved",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0xf0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{&hf_oran_reserved_6bits,
|
|
{"reserved", "oran_fh_cus.reserved",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0xfc,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
{&hf_oran_ext11_reserved,
|
|
{"Reserved", "oran_fh_cus.reserved",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0x3f,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.1.2 bfwCompHdr (beamforming weight compression header) */
|
|
{&hf_oran_bfwCompHdr,
|
|
{"bfwCompHdr", "oran_fh_cus.bfwCompHdr",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
|
|
/* Section 5.4.7.1.1 */
|
|
{&hf_oran_bfwCompHdr_iqWidth,
|
|
{"IQ Bit Width", "oran_fh_cus.bfwCompHdr_iqWidth",
|
|
FT_UINT8, BASE_HEX,
|
|
VALS(bfw_comp_headers_iq_width), 0xf0,
|
|
"Defines the compression method and IQ bit width "
|
|
"for the beamforming weights in the specific section in the C-Plane "
|
|
"message. In this way each set of weights may employ a separate "
|
|
"compression method. Note that for the block compression methods, "
|
|
"the block size is the entire vector of beamforming weights, not "
|
|
"some subset of them",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.1.1 */
|
|
{&hf_oran_bfwCompHdr_compMeth,
|
|
{"Compression Method", "oran_fh_cus.bfwCompHdr_compMeth",
|
|
FT_UINT8, BASE_HEX,
|
|
VALS(bfw_comp_headers_comp_meth), 0x0f,
|
|
"Defines the compression method and IQ bit width for "
|
|
"the beamforming weights in the specific section in the C-Plane "
|
|
"message. In this way each set of weights may employ a separate "
|
|
"compression method. Note that for the block compression methods, "
|
|
"the block size is the entire vector of beamforming weights, "
|
|
"not some subset of them",
|
|
HFILL}
|
|
},
|
|
|
|
{&hf_oran_num_bf_weights,
|
|
{"Number of BF weights", "oran_fh_cus.num_bf_weights",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"This is the number of BF weights per antenna - currently set in a preference",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.1.2 */
|
|
{&hf_oran_blockScaler,
|
|
{"blockScaler", "oran_fh_cus.blockScaler",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0x0,
|
|
"unsigned, 1 integer bit, 7 fractional bits",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_compBitWidth,
|
|
{"compBitWidth", "oran_fh_cus.compBitWidth",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0xf0,
|
|
"Length of I bits and length of Q bits after compression over entire PRB",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_compShift,
|
|
{"compShift", "oran_fh_cus.compShift",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0f,
|
|
"The shift applied to the entire PRB",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.6 */
|
|
{&hf_oran_repetition,
|
|
{"repetition", "oran_fh_cus.repetition",
|
|
FT_BOOLEAN, 1,
|
|
NULL, 0x0,
|
|
"Repetition of a highest priority data section inside a C-Plane message",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_rbgSize,
|
|
{"rbgSize", "oran_fh_cus.rbgSize",
|
|
FT_UINT8, BASE_HEX,
|
|
VALS(rbg_size_vals), 0x70,
|
|
"Number of PRBs of the resource block groups allocated by the bit mask",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_rbgMask,
|
|
{"rbgMask", "oran_fh_cus.rbgMask",
|
|
FT_UINT32, BASE_HEX,
|
|
NULL, 0x0fffffff,
|
|
"Each bit indicates whether a corresponding resource block group is present",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_noncontig_priority,
|
|
{"priority", "oran_fh_cus.priority",
|
|
FT_UINT8, BASE_HEX,
|
|
VALS(priority_vals), 0xc0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{&hf_oran_symbolMask,
|
|
{"symbolMask", "oran_fh_cus.symbolMask",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0x3fff,
|
|
"Each bit indicates whether the rbgMask applies to a given symbol in the slot",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.22.1 */
|
|
{&hf_oran_ack_nack_req_id,
|
|
{"ackNackReqId", "oran_fh_cus.ackNackReqId",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0x0,
|
|
"Indicates the ACK/NACK request ID of a section description",
|
|
HFILL}
|
|
},
|
|
|
|
/* Section 5.4.7.12 */
|
|
{&hf_oran_off_start_prb_num_prb_pair,
|
|
{"Pair", "oran_fh_cus.offStartPrb_numPrb",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Pair of offStartPrb and numPrb",
|
|
HFILL}
|
|
},
|
|
|
|
{&hf_oran_off_start_prb,
|
|
{"offStartPrb", "oran_fh_cus.offStartPrb",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Offset of PRB range start",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_num_prb,
|
|
{"numPrb", "oran_fh_cus.numPrb",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Number of PRBs in PRB range",
|
|
HFILL}
|
|
},
|
|
|
|
/* symbolId 8.3.3.7 */
|
|
{&hf_oran_symbolId,
|
|
{"Symbol Identifier", "oran_fh_cus.symbolId",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0x3f,
|
|
"Identifies a symbol number within a slot",
|
|
HFILL}
|
|
},
|
|
|
|
/* startPrbu 8.3.3.11 */
|
|
{&hf_oran_startPrbu,
|
|
{"Starting PRB of User Plane Section", "oran_fh_cus.startPrbu",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x03ff,
|
|
"The starting PRB of a user plane section. For "
|
|
"one C-Plane message, there may be multiple U-Plane messages "
|
|
"associated with it and requiring defining from which PRB the contained "
|
|
"IQ data are applicable",
|
|
HFILL}
|
|
},
|
|
|
|
/* numPrbu 8.3.3.12 */
|
|
{ &hf_oran_numPrbu,
|
|
{"Number of PRBs per User Plane Section", "oran_fh_cus.numPrbu",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Defines the PRBs where the user plane section is valid",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.1.3 */
|
|
{&hf_oran_bfwCompParam,
|
|
{"bfwCompParam", "oran_fh_cus.bfwCompParam",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Beamforming weight compression parameter",
|
|
HFILL}
|
|
},
|
|
|
|
|
|
/* 6.3.3.13 */
|
|
{ &hf_oran_udCompHdrMeth,
|
|
{"User Data Compression Method", "oran_fh_cus.udCompHdrMeth",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(ud_comp_header_meth), 0x0f,
|
|
"Defines the compression method for "
|
|
"the user data in every section in the C-Plane message",
|
|
HFILL}
|
|
},
|
|
|
|
/* 6.3.3.13 */
|
|
{&hf_oran_udCompHdrIqWidth,
|
|
{"User Data IQ width", "oran_fh_cus.udCompHdrWidth",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(ud_comp_header_width), 0xf0,
|
|
"Defines the IQ bit width "
|
|
"for the user data in every section in the C-Plane message",
|
|
HFILL}
|
|
},
|
|
|
|
#if 0
|
|
/* Section 6.3.3.14 */
|
|
{&hf_oran_udCompParam,
|
|
{"User Data Compression Parameter", "oran_fh_cus.udCompParam",
|
|
FT_UINT8, BASE_DEC | BASE_RANGE_STRING,
|
|
RVALS(udCompParams), 0x0,
|
|
"Applies to whatever compression method is specified "
|
|
"by the associated sectionID's compMeth value",
|
|
HFILL}
|
|
},
|
|
#endif
|
|
|
|
/* Section 6.3.3.15 */
|
|
{&hf_oran_iSample,
|
|
{"iSample", "oran_fh_cus.iSample",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"In-phase Sample value", HFILL}
|
|
},
|
|
|
|
/* Section 6.3.3.16 */
|
|
{&hf_oran_qSample,
|
|
{"qSample", "oran_fh_cus.qSample",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Quadrature Sample value", HFILL}
|
|
},
|
|
|
|
{ &hf_oran_rsvd8,
|
|
{ "Reserved", "oran_fh_cus.reserved8",
|
|
FT_UINT8, BASE_HEX,
|
|
NULL, 0x00,
|
|
"Reserved for future use", HFILL }
|
|
},
|
|
|
|
{ &hf_oran_rsvd16,
|
|
{ "Reserved", "oran_fh_cus.reserved16",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0x00,
|
|
"Reserved for future use", HFILL }
|
|
},
|
|
|
|
{ &hf_oran_exponent,
|
|
{ "Exponent", "oran_fh_cus.exponent",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0f,
|
|
"Exponent applicable to the I & Q mantissas. "
|
|
"NOTE : Exponent is used for all mantissa sample sizes(i.e. 6bit "
|
|
"- 16bit). Likewise, a native \"uncompressed\" format is not supported "
|
|
"within this specification",
|
|
HFILL }
|
|
},
|
|
|
|
{ &hf_oran_iq_user_data,
|
|
{ "IQ User Data", "oran_fh_cus.iq_user_data",
|
|
FT_BYTES, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Used for the In-phase and Quadrature sample "
|
|
"mantissa. Twelve I/Q Samples are included per resource block. The width "
|
|
"of the mantissa can be between 6 and 16 bits",
|
|
HFILL }
|
|
},
|
|
|
|
{ &hf_oran_c_eAxC_ID,
|
|
{ "c_eAxC_ID", "oran_fh_cus.c_eaxc_id",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"This is a calculated field for the c_eAxC ID, which identifies the message stream",
|
|
HFILL } },
|
|
|
|
{ &hf_oran_refa,
|
|
{ "RefA", "oran_fh_cus.refa",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"This is a calculated field for the RefA ID, which provides a reference in time",
|
|
HFILL }
|
|
},
|
|
|
|
{ &hf_oran_disable_bfws,
|
|
{ "disableBFWs", "oran_fh_cus.disableBFWs",
|
|
FT_BOOLEAN, 8,
|
|
NULL, 0x80,
|
|
"Indicate if BFWs under section extension are disabled",
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_rad,
|
|
{ "RAD", "oran_fh_cus.rad",
|
|
FT_BOOLEAN, 8,
|
|
NULL, 0x40,
|
|
"Reset After PRB Discontinuity",
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_num_bund_prbs,
|
|
{ "numBundPrb", "oran_fh_cus.numBundPrbs",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Number of bundled PRBs per BFWs",
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_beam_id,
|
|
{ "beamId", "oran_fh_cus.beamId",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x7fff,
|
|
NULL,
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_num_weights_per_bundle,
|
|
{ "Num weights per bundle", "oran_fh_cus.num_weights_per_bundle",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"From dissector preference",
|
|
HFILL }
|
|
},
|
|
|
|
|
|
{ &hf_oran_samples_prb,
|
|
{"PRB", "oran_fh_cus.prb",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Grouping of samples for a particular PRB",
|
|
HFILL}
|
|
},
|
|
|
|
{&hf_oran_ciSample,
|
|
{"ciSample", "oran_fh_cus.ciSample",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Sample (I and Q values)",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_ciIsample,
|
|
{"ciIsample", "oran_fh_cus.ciISample",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Channel information complex value - I part",
|
|
HFILL}
|
|
},
|
|
{&hf_oran_ciQsample,
|
|
{ "ciQsample", "oran_fh_cus.ciQSample",
|
|
FT_FLOAT, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Channel information complex value - Q part",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.10.2 */
|
|
{ &hf_oran_beamGroupType,
|
|
{ "beamGroupType", "oran_fh_cus.beamGroupType",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(beam_group_type_vals), 0xc0,
|
|
"The type of beam grouping",
|
|
HFILL }
|
|
},
|
|
/* 7.7.10.3 */
|
|
{ &hf_oran_numPortc,
|
|
{ "numPortc", "oran_fh_cus.numPortc",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x3f,
|
|
"The number of eAxC ports",
|
|
HFILL }
|
|
},
|
|
|
|
/* 7.7.4.2 (1 bit) */
|
|
{ &hf_oran_csf,
|
|
{ "csf", "oran_fh_cus.csf",
|
|
FT_BOOLEAN, 1,
|
|
NULL, 0x0,
|
|
"constellation shift flag",
|
|
HFILL }
|
|
},
|
|
/* 7.7.4.3 */
|
|
{ &hf_oran_modcompscaler,
|
|
{ "modCompScaler", "oran_fh_cus.modcompscaler",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x7fff,
|
|
"modulation compression scaler value",
|
|
HFILL }
|
|
},
|
|
|
|
/* mcScaleReMask 7.7.5.2 (12 bits) */
|
|
{ &hf_oran_mc_scale_re_mask,
|
|
{ "mcScaleReMask", "oran_fh_cus.mcscaleremask",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"modulation compression power scale RE mask",
|
|
HFILL }
|
|
},
|
|
/* mcScaleOffset 7.7.5.4 (15 bits) */
|
|
{ &hf_oran_mc_scale_offset,
|
|
{ "mcScaleOffset", "oran_fh_cus.mcscaleoffset",
|
|
FT_UINT24, BASE_DEC,
|
|
NULL, 0x0,
|
|
"scaling value for modulation compression",
|
|
HFILL }
|
|
},
|
|
/* eAxCmask (7.7.7.2) */
|
|
{ &hf_oran_eAxC_mask,
|
|
{ "eAxC Mask", "oran_fh_cus.eaxcmask",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"Which eAxC_ID values the C-Plane message applies to",
|
|
HFILL }
|
|
},
|
|
/* technology (interface name) 7.7.9.2 */
|
|
{ &hf_oran_technology,
|
|
{ "Technology", "oran_fh_cus.technology",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(interface_name_vals), 0x0,
|
|
"Interface name (that C-PLane section applies to)",
|
|
HFILL }
|
|
},
|
|
/* Exttype 14 (7.7.14.2) */
|
|
{ &hf_oran_nullLayerInd,
|
|
{ "nullLayerInd", "oran_fh_cus.nulllayerind",
|
|
FT_BOOLEAN, 8,
|
|
NULL, 0x0,
|
|
"Whether corresponding layer is nulling-layer or not",
|
|
HFILL }
|
|
},
|
|
|
|
/* Exttype 19 (7.7.19.8) */
|
|
{ &hf_oran_portReMask,
|
|
{ "portReMask", "oran_fh_cus.portReMask",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), 0x0fff,
|
|
"RE bitmask per port",
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_portSymbolMask,
|
|
{ "portSymbolMask", "oran_fh_cus.portSymbolMask",
|
|
FT_BOOLEAN, 16,
|
|
TFS(&tfs_set_notset), 0x3fff,
|
|
"Symbol bitmask port port",
|
|
HFILL }
|
|
},
|
|
|
|
{ &hf_oran_ext19_port,
|
|
{"Port", "oran_fh_cus.ext19.port",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"Entry for a given port in ext19",
|
|
HFILL}
|
|
},
|
|
|
|
/* Ext 13 */
|
|
{ &hf_oran_prb_allocation,
|
|
{"PRB allocation", "oran_fh_cus.prb-allocation",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
{ &hf_oran_nextSymbolId,
|
|
{ "nextSymbolId", "oran_fh_cus.nextSymbolId",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x3c,
|
|
"offset of PRB range start",
|
|
HFILL }
|
|
},
|
|
{ &hf_oran_nextStartPrbc,
|
|
{ "nextStartPrbc", "oran_fh_cus.nextStartPrbc",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x03ff,
|
|
"number of PRBs in PRB range",
|
|
HFILL }
|
|
},
|
|
|
|
/* Puncturing patters as appears in SE 20 */
|
|
{&hf_oran_puncPattern,
|
|
{"puncPattern", "oran_fh_cus.puncPattern",
|
|
FT_STRING, FT_NONE,
|
|
NULL, 0x0,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.20.2 numPuncPatterns */
|
|
{ &hf_oran_numPuncPatterns,
|
|
{ "numPuncPatterns", "oran_fh_cus.numPuncPatterns",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"number of puncturing patterns",
|
|
HFILL }
|
|
},
|
|
/* 7.7.20.3 symbolMask */
|
|
{&hf_oran_symbolMask_ext20,
|
|
{"symbolMask", "oran_fh_cus.symbolMask",
|
|
FT_UINT16, BASE_HEX,
|
|
NULL, 0xfffc,
|
|
"Bitmask where each bit indicates the symbols associated with the puncturing pattern",
|
|
HFILL}
|
|
},
|
|
/* 7.7.20.4 startPuncPrb */
|
|
{&hf_oran_startPuncPrb,
|
|
{"numPuncPrb", "oran_fh_cus.startPuncPrb",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x03ff,
|
|
"starting PRB to which one puncturing pattern applies",
|
|
HFILL}
|
|
},
|
|
/* 7.7.20.5 numPuncPrb */
|
|
{&hf_oran_numPuncPrb,
|
|
{"numPuncPrb", "oran_fh_cus.numPuncPrb",
|
|
FT_UINT24, BASE_DEC,
|
|
NULL, 0x03ffff,
|
|
"the number of PRBs of the puncturing pattern",
|
|
HFILL}
|
|
},
|
|
/* 7.7.20.6 puncReMask */
|
|
{&hf_oran_puncReMask,
|
|
{"puncReMask", "oran_fh_cus.punkReMask",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0xffc0,
|
|
"puncturing pattern RE mask",
|
|
HFILL}
|
|
},
|
|
/* 7.7.20.4 rbgIncl */
|
|
{&hf_oran_RbgIncl,
|
|
{"rbgIncl", "oran_fh_cus.rbgIncl",
|
|
FT_BOOLEAN, 8,
|
|
NULL, 0x01,
|
|
"rbg included flag",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.21.2 ciPrbGroupSize */
|
|
{&hf_oran_ci_prb_group_size,
|
|
{"ciPrbGroupSize", "oran_fh_cus.ciPrbGroupSize",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"channel information PRB group size",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.17.2 numUeID */
|
|
{&hf_oran_num_ueid,
|
|
{"numUeID", "oran_fh_cus.numUeID",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"number of ueIDs per user",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.16.2 antMask */
|
|
{&hf_oran_antMask,
|
|
{"antMask", "oran_fh_cus.antMask",
|
|
FT_UINT64, BASE_HEX,
|
|
NULL, 0xffffffffffffffff,
|
|
"indices of antennas to be pre-combined per RX endpoint",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.18.2 transmissionWindowOffset */
|
|
{&hf_oran_transmissionWindowOffset,
|
|
{"transmissionWindowOffset", "oran_fh_cus.transmissionWindowOffset",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x0,
|
|
"start of the transmission window as an offset to when the transmission window would have been without this parameter, i.e. (Ta3_max - Ta3_min)",
|
|
HFILL}
|
|
},
|
|
/* 7.7.18.3 transmissionWindowSize */
|
|
{&hf_oran_transmissionWindowSize,
|
|
{"transmissionWindowSize", "oran_fh_cus.transmissionWindowSize",
|
|
FT_UINT16, BASE_DEC,
|
|
NULL, 0x3fff,
|
|
"size of the transmission window in resolution µs",
|
|
HFILL}
|
|
},
|
|
/* 7.7.18.4 toT */
|
|
{&hf_oran_toT,
|
|
{"toT", "oran_fh_cus.toT",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(type_of_transmission_vals), 0x03,
|
|
"type of transmission",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.2.2 bfaCompHdr */
|
|
{&hf_oran_bfaCompHdr,
|
|
{"bfaCompHdr", "oran_fh_cus.bfaCompHdr",
|
|
FT_STRING, BASE_NONE,
|
|
NULL, 0x0,
|
|
"beamforming attributes compression header",
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.2-2: bfAzPtWidth */
|
|
{&hf_oran_bfAzPtWidth,
|
|
{"bfAzPtWidth", "oran_fh_cus.bfAzPtWidth",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(bfa_bw_vals), 0x38,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.2-3: bfZePtWidth */
|
|
{&hf_oran_bfZePtWidth,
|
|
{"bfZePtWidth", "oran_fh_cus.bfZePtWidth",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(bfa_bw_vals), 0x07,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.2-4: bfAz3ddWidth */
|
|
{&hf_oran_bfAz3ddWidth,
|
|
{"bfAz3ddWidth", "oran_fh_cus.bfAz3ddWidth",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(bfa_bw_vals), 0x38,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.2-5: bfZe3ddWidth */
|
|
{&hf_oran_bfZe3ddWidth,
|
|
{"bfZe3ddWidth", "oran_fh_cus.bfZe3ddWidth",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(bfa_bw_vals), 0x07,
|
|
NULL,
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.2.3 bfAzPt */
|
|
{&hf_oran_bfAzPt,
|
|
{"bfAzPt", "oran_fh_cus.bfAzPt",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"beamforming azimuth pointing parameter",
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.4 bfZePt */
|
|
{&hf_oran_bfZePt,
|
|
{"bfZePt", "oran_fh_cus.bfZePt",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"beamforming zenith pointing parameter",
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.5 bfAz3dd */
|
|
{&hf_oran_bfAz3dd,
|
|
{"bfAz3dd", "oran_fh_cus.bfAz3dd",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"beamforming azimuth beamwidth parameter",
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.6 bfZe3dd */
|
|
{&hf_oran_bfZe3dd,
|
|
{"bfZe3dd", "oran_fh_cus.bfZe3dd",
|
|
FT_UINT8, BASE_DEC,
|
|
NULL, 0x0,
|
|
"beamforming zenith beamwidth parameter",
|
|
HFILL}
|
|
},
|
|
|
|
/* 7.7.2.7 bfAzSl */
|
|
{&hf_oran_bfAzSl,
|
|
{"bfAzSl", "oran_fh_cus.bfAzSl",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(sidelobe_suppression_vals), 0x38,
|
|
"beamforming azimuth sidelobe parameter",
|
|
HFILL}
|
|
},
|
|
/* 7.7.2.8 bfZeSl */
|
|
{&hf_oran_bfZeSl,
|
|
{"bfZeSl", "oran_fh_cus.bfZeSl",
|
|
FT_UINT8, BASE_DEC,
|
|
VALS(sidelobe_suppression_vals), 0x38,
|
|
"beamforming zenith sidelobe parameter",
|
|
HFILL}
|
|
}
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_oran,
|
|
&ett_oran_ecpri_pcid,
|
|
&ett_oran_ecpri_rtcid,
|
|
&ett_oran_ecpri_seqid,
|
|
&ett_oran_section_type,
|
|
&ett_oran_u_timing,
|
|
&ett_oran_u_section,
|
|
&ett_oran_u_prb,
|
|
&ett_oran_section,
|
|
&ett_oran_iq,
|
|
&ett_oran_c_section_extension,
|
|
&ett_oran_bfw,
|
|
&ett_oran_offset_start_prb_num_prb,
|
|
&ett_oran_prb_cisamples,
|
|
&ett_oran_cisample,
|
|
&ett_oran_udcomphdr,
|
|
&ett_oran_bfwcomphdr,
|
|
&ett_oran_bfwcompparam,
|
|
&ett_oran_ext19_port,
|
|
&ett_oran_prb_allocation,
|
|
&ett_oran_punc_pattern,
|
|
&ett_oran_bfacomphdr
|
|
};
|
|
|
|
expert_module_t* expert_oran;
|
|
|
|
static ei_register_info ei[] = {
|
|
{ &ei_oran_invalid_bfw_iqwidth, { "oran_fh_cus.bfw_iqwidth_invalid", PI_MALFORMED, PI_ERROR, "Invalid IQ Width", EXPFILL }},
|
|
{ &ei_oran_invalid_num_bfw_weights, { "oran_fh_cus.num_bf_weights_invalid", PI_MALFORMED, PI_ERROR, "Invalid number of BF Weights", EXPFILL }},
|
|
{ &ei_oran_unsupported_bfw_compression_method, { "oran_fh_cus.unsupported_bfw_compression_method", PI_UNDECODED, PI_WARN, "Unsupported BFW Compression Method", EXPFILL }},
|
|
{ &ei_oran_invalid_sample_bit_width, { "oran_fh_cus.invalid_sample_bit_width", PI_UNDECODED, PI_ERROR, "Unsupported sample bit width", EXPFILL }},
|
|
{ &ei_oran_reserved_numBundPrb, { "oran_fh_cus.reserved_numBundPrb", PI_MALFORMED, PI_ERROR, "Reserved value of numBundPrb", EXPFILL }},
|
|
{ &ei_oran_extlen_wrong, { "oran_fh_cus.extlen_wrong", PI_MALFORMED, PI_ERROR, "extlen doesn't match number of dissected bytes", EXPFILL }},
|
|
{ &ei_oran_invalid_eaxc_bit_width, { "oran_fh_cus.invalid_exac_bit_width", PI_UNDECODED, PI_ERROR, "Inconsistent eAxC bit width", EXPFILL }},
|
|
{ &ei_oran_extlen_zero, { "oran_fh_cus.extlen_zero", PI_MALFORMED, PI_ERROR, "extlen - zero is reserved value", EXPFILL }},
|
|
{ &ei_oran_rbg_size_reserved, { "oran_fh_cus.rbg_size_reserved", PI_MALFORMED, PI_ERROR, "rbgSize - zero is reserved value", EXPFILL }},
|
|
{ &ei_oran_frame_length, { "oran_fh_cus.frame_length", PI_MALFORMED, PI_ERROR, "there should be 0-3 bytes remaining after PDU in frame", EXPFILL }},
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_oran = proto_register_protocol("O-RAN Fronthaul CUS", "O-RAN FH CUS", "oran_fh_cus");
|
|
|
|
/* Allow dissector to find be found by name. */
|
|
register_dissector("oran_fh_cus", dissect_oran, proto_oran);
|
|
|
|
/* Required function calls to register the header fields and subtrees */
|
|
proto_register_field_array(proto_oran, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
|
|
expert_oran = expert_register_protocol(proto_oran);
|
|
expert_register_field_array(expert_oran, ei, array_length(ei));
|
|
|
|
module_t * oran_module = prefs_register_protocol(proto_oran, NULL);
|
|
|
|
/* Register bit width/compression preferences separately by direction. */
|
|
prefs_register_uint_preference(oran_module, "oran.du_port_id_bits", "DU Port ID bits [a]",
|
|
"The bit width of DU Port ID - sum of a,b,c&d (eAxC) must be 16", 10, &pref_du_port_id_bits);
|
|
prefs_register_uint_preference(oran_module, "oran.bandsector_id_bits", "BandSector ID bits [b]",
|
|
"The bit width of BandSector ID - sum of a,b,c&d (eAxC) must be 16", 10, &pref_bandsector_id_bits);
|
|
prefs_register_uint_preference(oran_module, "oran.cc_id_bits", "CC ID bits [c]",
|
|
"The bit width of CC ID - sum of a,b,c&d (eAxC) must be 16", 10, &pref_cc_id_bits);
|
|
prefs_register_uint_preference(oran_module, "oran.ru_port_id_bits", "RU Port ID bits [d]",
|
|
"The bit width of RU Port ID - sum of a,b,c&d (eAxC) must be 16", 10, &pref_ru_port_id_bits);
|
|
|
|
prefs_register_uint_preference(oran_module, "oran.iq_bitwidth_up", "IQ Bitwidth Uplink",
|
|
"The bit width of a sample in the Uplink (if no udcompHdr)", 10, &pref_sample_bit_width_uplink);
|
|
prefs_register_enum_preference(oran_module, "oran.ud_comp_up", "Uplink User Data Compression",
|
|
"Uplink User Data Compression", &pref_iqCompressionUplink, compression_options, TRUE);
|
|
prefs_register_bool_preference(oran_module, "oran.ud_comp_hdr_up", "udCompHdr field is present for uplink",
|
|
"The udCompHdr field in U-Plane messages may or may not be present, depending on the "
|
|
"configuration of the O-RU. This preference instructs the dissector to expect "
|
|
"this field to be present in uplink messages", &pref_includeUdCompHeaderUplink);
|
|
|
|
prefs_register_uint_preference(oran_module, "oran.iq_bitwidth_down", "IQ Bitwidth Downlink",
|
|
"The bit width of a sample in the Downlink (if no udcompHdr)", 10, &pref_sample_bit_width_downlink);
|
|
prefs_register_enum_preference(oran_module, "oran.ud_comp_down", "Downlink User Data Compression",
|
|
"Downlink User Data Compression", &pref_iqCompressionDownlink, compression_options, TRUE);
|
|
prefs_register_bool_preference(oran_module, "oran.ud_comp_hdr_down", "udCompHdr field is present for downlink",
|
|
"The udCompHdr field in U-Plane messages may or may not be present, depending on the "
|
|
"configuration of the O-RU. This preference instructs the dissector to expect "
|
|
"this field to be present in downlink messages", &pref_includeUdCompHeaderDownlink);
|
|
|
|
prefs_register_uint_preference(oran_module, "oran.rbs_in_uplane_section", "Total RBs in User-Plane data section",
|
|
"This is used if numPrbu is signalled as 0", 10, &pref_data_plane_section_total_rbs);
|
|
|
|
prefs_register_uint_preference(oran_module, "oran.num_weights_per_bundle", "Number of weights per bundle",
|
|
"Used in decoding of section extension type 11 (Flexible BF weights)", 10, &pref_num_weights_per_bundle);
|
|
|
|
prefs_register_uint_preference(oran_module, "oran.num_bf_antennas", "Number of BF Antennas",
|
|
"Number of BF Antennas (used for C section type 6)", 10, &pref_num_bf_antennas);
|
|
|
|
prefs_register_bool_preference(oran_module, "oran.show_iq_samples", "Show IQ Sample values",
|
|
"When enabled, for U-Plane frames show each I and Q value in PRB", &pref_showIQSampleValues);
|
|
|
|
prefs_register_obsolete_preference(oran_module, "oran.num_bf_weights");
|
|
|
|
flow_states_table = wmem_tree_new_autoreset(wmem_epan_scope(), wmem_file_scope());
|
|
}
|
|
|
|
/* Simpler form of proto_reg_handoff_oran which can be used if there are
|
|
* no prefs-dependent registration function calls. */
|
|
void
|
|
proto_reg_handoff_oran(void)
|
|
{
|
|
create_dissector_handle(dissect_oran, proto_oran);
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - http://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local Variables:
|
|
* c-basic-offset: 4
|
|
* tab-width: 8
|
|
* indent-tabs-mode: nil
|
|
* End:
|
|
*
|
|
* ex: set shiftwidth=4 tabstop=8 expandtab:
|
|
* :indentSize=4:tabSize=8:noTabs=true:
|
|
*/
|