/* * Copyright 2013-2019 Software Radio Systems Limited * * This file is part of srsLTE. * * srsLTE is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * srsLTE is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * A copy of the GNU Affero General Public License can be found in * the LICENSE file in the top-level directory of this distribution * and at http://www.gnu.org/licenses/. * */ #include "enb_cfg_parser.h" #include "srsenb/hdr/cfg_parser.h" #include "srslte/asn1/rrc_asn1_utils.h" #include "srslte/phy/common/phy_common.h" #include "srslte/srslte.h" #define HANDLEPARSERCODE(cond) \ do { \ if ((cond) != 0) { \ printf("[%d][%s()] Parser Error detected\n", __LINE__, __FUNCTION__); \ return -1; \ } \ } while (0) #define COND_PARSER_WARN(cond, msg_fmt, ...) \ do { \ if (cond) { \ printf(msg_fmt, ##__VA_ARGS__); \ } \ } while (0) using namespace asn1::rrc; namespace srsenb { int enb::parse_cell_cfg(all_args_t* args_, srslte_cell_t* cell) { cell->frame_type = SRSLTE_FDD; cell->id = args_->enb.pci; cell->cp = SRSLTE_CP_NORM; cell->nof_ports = args_->enb.nof_ports; cell->nof_prb = args_->enb.n_prb; phich_cfg_s phichcfg; parser::section phy_cnfg("phy_cnfg"); parser::section phich_cnfg("phich_cnfg"); phy_cnfg.add_subsection(&phich_cnfg); phich_cnfg.add_field(make_asn1_enum_str_parser("duration", &phichcfg.phich_dur)); phich_cnfg.add_field(make_asn1_enum_number_str_parser("resources", &phichcfg.phich_res)); parser::parse_section(args_->enb_files.rr_config, &phy_cnfg); cell->phich_length = (srslte_phich_length_t)(int)phichcfg.phich_dur; cell->phich_resources = (srslte_phich_r_t)(int)phichcfg.phich_res; if (!srslte_cell_isvalid(cell)) { fprintf(stderr, "Invalid cell parameters: nof_prb=%d, cell_id=%d\n", args_->enb.n_prb, args_->stack.s1ap.cell_id); return -1; } return 0; } int field_sched_info::parse(libconfig::Setting& root) { data->sched_info_list.resize((uint32_t)root.getLength()); for (uint32_t i = 0; i < data->sched_info_list.size(); i++) { if (not parse_enum_by_number(data->sched_info_list[i].si_periodicity, "si_periodicity", root[i])) { fprintf(stderr, "Missing field si_periodicity in sched_info=%d\n", i); return -1; } if (root[i].exists("si_mapping_info")) { data->sched_info_list[i].sib_map_info.resize((uint32_t)root[i]["si_mapping_info"].getLength()); if (data->sched_info_list[i].sib_map_info.size() < ASN1_RRC_MAX_SIB) { for (uint32_t j = 0; j < data->sched_info_list[i].sib_map_info.size(); j++) { uint32_t sib_index = root[i]["si_mapping_info"][j]; if (sib_index >= 3 && sib_index <= 13) { data->sched_info_list[i].sib_map_info[j].value = (sib_type_e::options)(sib_index - 3); } else { fprintf(stderr, "Invalid SIB index %d for si_mapping_info=%d in sched_info=%d\n", sib_index, j, i); return -1; } } } else { fprintf(stderr, "Number of si_mapping_info values exceeds maximum (%d)\n", ASN1_RRC_MAX_SIB); return -1; } } else { data->sched_info_list[i].sib_map_info.resize(0); } } return 0; } int field_intra_neigh_cell_list::parse(libconfig::Setting& root) { data->intra_freq_neigh_cell_list.resize((uint32_t)root.getLength()); data->intra_freq_neigh_cell_list_present = data->intra_freq_neigh_cell_list.size() > 0; for (uint32_t i = 0; i < data->intra_freq_neigh_cell_list.size() && i < ASN1_RRC_MAX_CELL_INTRA; i++) { if (not parse_enum_by_number(data->intra_freq_neigh_cell_list[i].q_offset_cell, "q_offset_range", root[i])) { fprintf(stderr, "Missing field q_offset_range in neigh_cell=%d\n", i); return -1; } int phys_cell_id = 0; if (!root[i].lookupValue("phys_cell_id", phys_cell_id)) { fprintf(stderr, "Missing field phys_cell_id in neigh_cell=%d\n", i); return -1; } data->intra_freq_neigh_cell_list[i].pci = (uint16)phys_cell_id; } return 0; } int field_intra_black_cell_list::parse(libconfig::Setting& root) { data->intra_freq_black_cell_list.resize((uint32_t)root.getLength()); data->intra_freq_black_cell_list_present = data->intra_freq_neigh_cell_list.size() > 0; for (uint32_t i = 0; i < data->intra_freq_black_cell_list.size() && i < ASN1_RRC_MAX_CELL_BLACK; i++) { if (not parse_enum_by_number(data->intra_freq_black_cell_list[i].range, "range", root[i])) { fprintf(stderr, "Missing field range in black_cell=%d\n", i); return -1; } data->intra_freq_black_cell_list[i].range_present = true; int start = 0; if (!root[i].lookupValue("start", start)) { fprintf(stderr, "Missing field start in black_cell=%d\n", i); return -1; } data->intra_freq_black_cell_list[i].start = (uint16)start; } return 0; } int field_carrier_freqs_info_list::parse(libconfig::Setting& root) { data->carrier_freqs_info_list.resize((uint32_t)root.getLength()); data->carrier_freqs_info_list_present = data->carrier_freqs_info_list.size() > 0; if (data->carrier_freqs_info_list.size() > ASN1_RRC_MAX_GNFG) { ERROR("CarrierFreqsInfoGERAN cannot have more than %d entries\n", ASN1_RRC_MAX_GNFG); return -1; } for (uint32_t i = 0; i < data->carrier_freqs_info_list.size(); i++) { int cell_resel_prio; if (root[i].lookupValue("cell_resel_prio", cell_resel_prio)) { data->carrier_freqs_info_list[i].common_info.cell_resel_prio_present = true; data->carrier_freqs_info_list[i].common_info.cell_resel_prio = cell_resel_prio; } int p_max_geran; if (root[i].lookupValue("p_max_geran", p_max_geran)) { data->carrier_freqs_info_list[i].common_info.p_max_geran_present = true; data->carrier_freqs_info_list[i].common_info.p_max_geran = p_max_geran; } field_asn1_bitstring_number, uint8_t> ncc_permitted( "ncc_permitted", &data->carrier_freqs_info_list[i].common_info.ncc_permitted); if (ncc_permitted.parse(root[i])) { ERROR("Error parsing `ncc_permitted` in carrier_freqs_info_lsit=%d\n", i); return -1; } int q_rx_lev_min = 0; if (!root[i].lookupValue("q_rx_lev_min", q_rx_lev_min)) { ERROR("Missing field `q_rx_lev_min` in carrier_freqs_info_list=%d\n", i); return -1; } data->carrier_freqs_info_list[i].common_info.q_rx_lev_min = q_rx_lev_min; int thresh_x_high = 0; if (!root[i].lookupValue("thresh_x_high", thresh_x_high)) { ERROR("Missing field `thresh_x_high` in carrier_freqs_info_list=%d\n", i); return -1; } data->carrier_freqs_info_list[i].common_info.thresh_x_high = thresh_x_high; int thresh_x_low = 0; if (!root[i].lookupValue("thresh_x_low", thresh_x_low)) { ERROR("Missing field `thresh_x_low` in carrier_freqs_info_list=%d\n", i); return -1; } data->carrier_freqs_info_list[i].common_info.thresh_x_low = thresh_x_low; int start_arfcn = 0; if (root[i].lookupValue("start_arfcn", start_arfcn)) { data->carrier_freqs_info_list[i].carrier_freqs.start_arfcn = start_arfcn; } field_asn1_enum_str band_ind("band_ind", &data->carrier_freqs_info_list[i].carrier_freqs.band_ind); if (band_ind.parse(root[i])) { ERROR("Error parsing `band_ind` in carrier_freqs_info_list=%d\n", i); return -1; } data->carrier_freqs_info_list[i].carrier_freqs.following_arfcns.set_explicit_list_of_arfcns(); explicit_list_of_arfcns_l& exp_l = data->carrier_freqs_info_list[i].carrier_freqs.following_arfcns.explicit_list_of_arfcns(); if (root[i].exists("explicit_list_of_arfcns")) { exp_l.resize((uint32_t)root[i]["explicit_list_of_arfcns"].getLength()); if (exp_l.size() < 31) { /* SEQUENCE (SIZE (0..31)) OF ARFCN-ValueGERAN */ for (uint32_t j = 0; j < exp_l.size(); j++) { int arfcn = root[i]["explicit_list_of_arfcns"][j]; if (arfcn >= 0 && arfcn <= 1024) { exp_l[j] = (short unsigned int)arfcn; } else { fprintf(stderr, "Invalid ARFCN %d in for carrier_freqs_info_list=%d explicit_list_of_arfcns\n", i, j); return -1; } } } else { fprintf(stderr, "Number of ARFCN in explicit_list_of_arfcns exceeds maximum (%d)\n", 31); return -1; } } else { exp_l.resize(0); } } return 0; } int enb::parse_sib1(std::string filename, sib_type1_s* data) { parser::section sib1("sib1"); sib1.add_field(make_asn1_enum_str_parser("intra_freq_reselection", &data->cell_access_related_info.intra_freq_resel)); sib1.add_field(new parser::field("q_rx_lev_min", &data->cell_sel_info.q_rx_lev_min)); sib1.add_field(new parser::field("p_max", &data->p_max, &data->p_max_present)); sib1.add_field(make_asn1_enum_str_parser("cell_barred", &data->cell_access_related_info.cell_barred)); sib1.add_field(make_asn1_enum_number_parser("si_window_length", &data->si_win_len)); sib1.add_field(new parser::field("system_info_value_tag", &data->sys_info_value_tag)); // sched_info subsection uses a custom field class parser::section sched_info("sched_info"); sib1.add_subsection(&sched_info); sched_info.add_field(new field_sched_info(data)); // Run parser with single section return parser::parse_section(std::move(filename), &sib1); } bool extract_sf_alloc(mbsfn_sf_cfg_s::sf_alloc_c_* store_ptr, const char* name, Setting& root) { uint32_t alloc; if (root.lookupValue(name, alloc)) { switch (store_ptr->type()) { case mbsfn_sf_cfg_s::sf_alloc_c_::types::one_frame: store_ptr->one_frame().from_number(alloc); break; case mbsfn_sf_cfg_s::sf_alloc_c_::types::four_frames: store_ptr->four_frames().from_number(alloc); break; default: return false; } return true; } return false; } int mbsfn_sf_cfg_list_parser::parse(Setting& root) { if (not root.exists("mbsfnSubframeConfigList")) { *enabled = false; mbsfn_list->resize(0); return 0; } int len = 1; if (root.exists("mbsfnSubframeConfigListLength")) { root.lookupValue("mbsfnSubframeConfigListLength", len); } if (len <= 0) { *enabled = false; mbsfn_list->resize(0); return 0; } if (len > 1) { fprintf(stderr, "Only mbsfnSubframeConfigListLengths of size 1 are supported\n"); return -1; } *enabled = true; mbsfn_list->resize(len); field_asn1_choice_number c( "subframeAllocation", "subframeAllocationNumFrames", &extract_sf_alloc, &(*mbsfn_list)[0].sf_alloc); c.parse(root["mbsfnSubframeConfigList"]); parser::field f("radioframeAllocationOffset", &(*mbsfn_list)[0].radioframe_alloc_offset); f.parse(root["mbsfnSubframeConfigList"]); (*mbsfn_list)[0].radioframe_alloc_period.value = mbsfn_sf_cfg_s::radioframe_alloc_period_opts::n1; field_asn1_enum_number e("radioframeAllocationPeriod", &(*mbsfn_list)[0].radioframe_alloc_period); e.parse(root["mbsfnSubframeConfigList"]); // FIXME: Did you forget subframeAllocationNumFrames? return 0; } int enb::parse_sib2(std::string filename, sib_type2_s* data) { parser::section sib2("sib2"); sib2.add_field(make_asn1_enum_str_parser("time_alignment_timer", &data->time_align_timer_common)); sib2.add_field(new mbsfn_sf_cfg_list_parser(&data->mbsfn_sf_cfg_list, &data->mbsfn_sf_cfg_list_present)); parser::section freqinfo("freqInfo"); sib2.add_subsection(&freqinfo); freqinfo.add_field(new parser::field("additional_spectrum_emission", &data->freq_info.add_spec_emission)); freqinfo.add_field(new parser::field("ul_carrier_freq_present", &data->freq_info.ul_carrier_freq_present)); freqinfo.add_field(new parser::field("ul_bw_present", &data->freq_info.ul_bw_present)); // AC barring configuration parser::section acbarring("ac_barring"); sib2.add_subsection(&acbarring); acbarring.set_optional(&data->ac_barr_info_present); acbarring.add_field(new parser::field("ac_barring_for_emergency", &data->ac_barr_info.ac_barr_for_emergency)); parser::section acbarring_signalling("ac_barring_for_mo_signalling"); acbarring.add_subsection(&acbarring_signalling); acbarring_signalling.set_optional(&data->ac_barr_info.ac_barr_for_mo_sig_present); acbarring_signalling.add_field( make_asn1_enum_number_str_parser("factor", &data->ac_barr_info.ac_barr_for_mo_sig.ac_barr_factor)); acbarring_signalling.add_field( make_asn1_enum_number_parser("time", &data->ac_barr_info.ac_barr_for_mo_sig.ac_barr_time)); acbarring_signalling.add_field(make_asn1_bitstring_number_parser( "for_special_ac", &data->ac_barr_info.ac_barr_for_mo_sig.ac_barr_for_special_ac)); parser::section acbarring_data("ac_barring_for_mo_data"); acbarring.add_subsection(&acbarring_data); acbarring_data.set_optional(&data->ac_barr_info.ac_barr_for_mo_data_present); acbarring_data.add_field( make_asn1_enum_number_str_parser("factor", &data->ac_barr_info.ac_barr_for_mo_data.ac_barr_factor)); acbarring_data.add_field(make_asn1_enum_number_parser("fime", &data->ac_barr_info.ac_barr_for_mo_data.ac_barr_time)); acbarring_data.add_field(make_asn1_bitstring_number_parser( "for_special_ac", &data->ac_barr_info.ac_barr_for_mo_data.ac_barr_for_special_ac)); // UE timers and constants parser::section uetimers("ue_timers_and_constants"); sib2.add_subsection(&uetimers); uetimers.add_field(make_asn1_enum_number_parser("t300", &data->ue_timers_and_consts.t300)); uetimers.add_field(make_asn1_enum_number_parser("t301", &data->ue_timers_and_consts.t301)); uetimers.add_field(make_asn1_enum_number_parser("t310", &data->ue_timers_and_consts.t310)); uetimers.add_field(make_asn1_enum_number_parser("n310", &data->ue_timers_and_consts.n310)); uetimers.add_field(make_asn1_enum_number_parser("t311", &data->ue_timers_and_consts.t311)); uetimers.add_field(make_asn1_enum_number_parser("n311", &data->ue_timers_and_consts.n311)); // Radio-resource configuration section parser::section rr_config("rr_config_common_sib"); sib2.add_subsection(&rr_config); rr_cfg_common_sib_s* rr_cfg_common = &data->rr_cfg_common; rr_config.add_field(make_asn1_enum_str_parser("ul_cp_length", &rr_cfg_common->ul_cp_len)); // RACH configuration parser::section rach_cnfg("rach_cnfg"); rr_config.add_subsection(&rach_cnfg); rach_cnfg.add_field( make_asn1_enum_number_parser("num_ra_preambles", &rr_cfg_common->rach_cfg_common.preamb_info.nof_ra_preambs)); rach_cnfg.add_field(make_asn1_enum_number_parser( "preamble_init_rx_target_pwr", &rr_cfg_common->rach_cfg_common.pwr_ramp_params.preamb_init_rx_target_pwr)); rach_cnfg.add_field( make_asn1_enum_number_parser("pwr_ramping_step", &rr_cfg_common->rach_cfg_common.pwr_ramp_params.pwr_ramp_step)); rach_cnfg.add_field(make_asn1_enum_number_parser( "preamble_trans_max", &rr_cfg_common->rach_cfg_common.ra_supervision_info.preamb_trans_max)); rach_cnfg.add_field(make_asn1_enum_number_parser( "ra_resp_win_size", &rr_cfg_common->rach_cfg_common.ra_supervision_info.ra_resp_win_size)); rach_cnfg.add_field(make_asn1_enum_number_parser( "mac_con_res_timer", &rr_cfg_common->rach_cfg_common.ra_supervision_info.mac_contention_resolution_timer)); rach_cnfg.add_field(new parser::field("max_harq_msg3_tx", &rr_cfg_common->rach_cfg_common.max_harq_msg3_tx)); parser::section groupa_cnfg("preambles_group_a_cnfg"); rach_cnfg.add_subsection(&groupa_cnfg); groupa_cnfg.set_optional(&rr_cfg_common->rach_cfg_common.preamb_info.preambs_group_a_cfg_present); rach_cfg_common_s::preamb_info_s_::preambs_group_a_cfg_s_* group_acfg = &rr_cfg_common->rach_cfg_common.preamb_info.preambs_group_a_cfg; groupa_cnfg.add_field(make_asn1_enum_number_parser("size_of_ra", &group_acfg->size_of_ra_preambs_group_a)); groupa_cnfg.add_field(make_asn1_enum_number_parser("msg_size", &group_acfg->msg_size_group_a)); groupa_cnfg.add_field(make_asn1_enum_number_parser("msg_pwr_offset_group_b", &group_acfg->msg_pwr_offset_group_b)); // rr_cfg_common->rach_cfg_common.preamb_info.nof_ra_preambs = FIXME: ??? // BCCH configuration parser::section bcch_cnfg("bcch_cnfg"); rr_config.add_subsection(&bcch_cnfg); bcch_cnfg.add_field( make_asn1_enum_number_parser("modification_period_coeff", &rr_cfg_common->bcch_cfg.mod_period_coeff)); // PCCH configuration parser::section pcch_cnfg("pcch_cnfg"); rr_config.add_subsection(&pcch_cnfg); pcch_cnfg.add_field( make_asn1_enum_number_parser("default_paging_cycle", &rr_cfg_common->pcch_cfg.default_paging_cycle)); pcch_cnfg.add_field(make_asn1_enum_number_str_parser("nB", &rr_cfg_common->pcch_cfg.nb)); // PRACH configuration parser::section prach_cnfg("prach_cnfg"); rr_config.add_subsection(&prach_cnfg); prach_cnfg.add_field(new parser::field("root_sequence_index", &rr_cfg_common->prach_cfg.root_seq_idx)); parser::section prach_cnfg_info("prach_cnfg_info"); prach_cnfg.add_subsection(&prach_cnfg_info); prach_cnfg_info.add_field( new parser::field("high_speed_flag", &rr_cfg_common->prach_cfg.prach_cfg_info.high_speed_flag)); prach_cnfg_info.add_field( new parser::field("prach_config_index", &rr_cfg_common->prach_cfg.prach_cfg_info.prach_cfg_idx)); prach_cnfg_info.add_field( new parser::field("prach_freq_offset", &rr_cfg_common->prach_cfg.prach_cfg_info.prach_freq_offset)); prach_cnfg_info.add_field(new parser::field( "zero_correlation_zone_config", &rr_cfg_common->prach_cfg.prach_cfg_info.zero_correlation_zone_cfg)); // PDSCH configuration parser::section pdsch_cnfg("pdsch_cnfg"); rr_config.add_subsection(&pdsch_cnfg); pdsch_cnfg.add_field(new parser::field("p_b", &rr_cfg_common->pdsch_cfg_common.p_b)); pdsch_cnfg.add_field(new parser::field("rs_power", &rr_cfg_common->pdsch_cfg_common.ref_sig_pwr)); // PUSCH configuration parser::section pusch_cnfg("pusch_cnfg"); rr_config.add_subsection(&pusch_cnfg); pusch_cnfg.add_field(new parser::field("n_sb", &rr_cfg_common->pusch_cfg_common.pusch_cfg_basic.n_sb)); pusch_cnfg.add_field( make_asn1_enum_str_parser("hopping_mode", &rr_cfg_common->pusch_cfg_common.pusch_cfg_basic.hop_mode)); pusch_cnfg.add_field(new parser::field("pusch_hopping_offset", &rr_cfg_common->pusch_cfg_common.pusch_cfg_basic.pusch_hop_offset)); pusch_cnfg.add_field( new parser::field("enable_64_qam", &rr_cfg_common->pusch_cfg_common.pusch_cfg_basic.enable64_qam)); // PUSCH-ULRS configuration parser::section ulrs_cnfg("ul_rs"); pusch_cnfg.add_subsection(&ulrs_cnfg); ulrs_cnfg.add_field( new parser::field("cyclic_shift", &rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.cyclic_shift)); ulrs_cnfg.add_field(new parser::field("group_assignment_pusch", &rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.group_assign_pusch)); ulrs_cnfg.add_field(new parser::field("group_hopping_enabled", &rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.group_hop_enabled)); ulrs_cnfg.add_field(new parser::field("sequence_hopping_enabled", &rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.seq_hop_enabled)); // PUCCH configuration parser::section pucch_cnfg("pucch_cnfg"); rr_config.add_subsection(&pucch_cnfg); pucch_cnfg.add_field( make_asn1_enum_number_parser("delta_pucch_shift", &rr_cfg_common->pucch_cfg_common.delta_pucch_shift)); pucch_cnfg.add_field(new parser::field("n_rb_cqi", &rr_cfg_common->pucch_cfg_common.n_rb_cqi)); pucch_cnfg.add_field(new parser::field("n_cs_an", &rr_cfg_common->pucch_cfg_common.n_cs_an)); pucch_cnfg.add_field(new parser::field("n1_pucch_an", &rr_cfg_common->pucch_cfg_common.n1_pucch_an)); // UL PWR Ctrl configuration parser::section ul_pwr_ctrl("ul_pwr_ctrl"); rr_config.add_subsection(&ul_pwr_ctrl); ul_pwr_ctrl.add_field( new parser::field("p0_nominal_pusch", &rr_cfg_common->ul_pwr_ctrl_common.p0_nominal_pusch)); ul_pwr_ctrl.add_field(make_asn1_enum_number_parser("alpha", &rr_cfg_common->ul_pwr_ctrl_common.alpha)); ul_pwr_ctrl.add_field( new parser::field("p0_nominal_pucch", &rr_cfg_common->ul_pwr_ctrl_common.p0_nominal_pucch)); ul_pwr_ctrl.add_field( new parser::field("delta_preamble_msg3", &rr_cfg_common->ul_pwr_ctrl_common.delta_preamb_msg3)); // Delta Flist PUCCH parser::section delta_flist("delta_flist_pucch"); ul_pwr_ctrl.add_subsection(&delta_flist); delta_flist.add_field(make_asn1_enum_number_parser( "format_1", &rr_cfg_common->ul_pwr_ctrl_common.delta_flist_pucch.delta_f_pucch_format1)); delta_flist.add_field(make_asn1_enum_number_parser( "format_1b", &rr_cfg_common->ul_pwr_ctrl_common.delta_flist_pucch.delta_f_pucch_format1b)); delta_flist.add_field(make_asn1_enum_number_parser( "format_2", &rr_cfg_common->ul_pwr_ctrl_common.delta_flist_pucch.delta_f_pucch_format2)); delta_flist.add_field(make_asn1_enum_number_parser( "format_2a", &rr_cfg_common->ul_pwr_ctrl_common.delta_flist_pucch.delta_f_pucch_format2a)); delta_flist.add_field(make_asn1_enum_number_parser( "format_2b", &rr_cfg_common->ul_pwr_ctrl_common.delta_flist_pucch.delta_f_pucch_format2b)); // Run parser with single section return parser::parse_section(std::move(filename), &sib2); } int enb::parse_sib3(std::string filename, sib_type3_s* data) { parser::section sib3("sib3"); // CellReselectionInfoCommon parser::section resel_common("cell_reselection_common"); sib3.add_subsection(&resel_common); resel_common.add_field(make_asn1_enum_number_parser("q_hyst", &data->cell_resel_info_common.q_hyst)); parser::section speed_resel("speed_state_resel_params"); resel_common.add_subsection(&speed_resel); resel_common.set_optional(&data->cell_resel_info_common.speed_state_resel_pars_present); sib_type3_s::cell_resel_info_common_s_::speed_state_resel_pars_s_* resel_pars = &data->cell_resel_info_common.speed_state_resel_pars; parser::section q_hyst_sf("q_hyst_sf"); speed_resel.add_subsection(&q_hyst_sf); q_hyst_sf.add_field(make_asn1_enum_number_parser("medium", &resel_pars->q_hyst_sf.sf_medium)); q_hyst_sf.add_field(make_asn1_enum_number_parser("high", &resel_pars->q_hyst_sf.sf_high)); parser::section mob_params("mobility_state_params"); speed_resel.add_subsection(&mob_params); mob_params.add_field(make_asn1_enum_number_parser("t_eval", &resel_pars->mob_state_params.t_eval)); mob_params.add_field(make_asn1_enum_number_parser("t_hyst_normal", &resel_pars->mob_state_params.t_hyst_normal)); mob_params.add_field( new parser::field("n_cell_change_medium", &resel_pars->mob_state_params.n_cell_change_medium)); mob_params.add_field( new parser::field("n_cell_change_high", &resel_pars->mob_state_params.n_cell_change_high)); // CellReselectionServingFreqInfo parser::section resel_serving("cell_reselection_serving"); sib3.add_subsection(&resel_serving); sib_type3_s::cell_resel_serving_freq_info_s_* freqinfo = &data->cell_resel_serving_freq_info; resel_serving.add_field(new parser::field( "s_non_intra_search", &freqinfo->s_non_intra_search, &freqinfo->s_non_intra_search_present)); resel_serving.add_field(new parser::field("thresh_serving_low", &freqinfo->thresh_serving_low)); resel_serving.add_field(new parser::field("cell_resel_prio", &freqinfo->cell_resel_prio)); // intraFreqCellReselectionInfo parser::section intra_freq("intra_freq_reselection"); sib3.add_subsection(&intra_freq); sib_type3_s::intra_freq_cell_resel_info_s_* intrafreq = &data->intra_freq_cell_resel_info; intra_freq.add_field(new parser::field("q_rx_lev_min", &intrafreq->q_rx_lev_min)); intra_freq.add_field(new parser::field("p_max", &intrafreq->p_max, &intrafreq->p_max_present)); intra_freq.add_field( new parser::field("s_intra_search", &intrafreq->s_intra_search, &intrafreq->s_intra_search_present)); intra_freq.add_field(make_asn1_enum_number_parser( "allowed_meas_bw", &intrafreq->allowed_meas_bw, &intrafreq->allowed_meas_bw_present)); intra_freq.add_field(new parser::field("presence_ant_port_1", &intrafreq->presence_ant_port1)); intra_freq.add_field(make_asn1_bitstring_number_parser("neigh_cell_cnfg", &intrafreq->neigh_cell_cfg)); intra_freq.add_field(new parser::field("t_resel_eutra", &intrafreq->t_resel_eutra)); parser::section t_resel_eutra_sf("t_resel_eutra_sf"); intra_freq.add_subsection(&t_resel_eutra_sf); t_resel_eutra_sf.set_optional(&intrafreq->t_resel_eutra_sf_present); t_resel_eutra_sf.add_field(make_asn1_enum_number_str_parser("sf_medium", &intrafreq->t_resel_eutra_sf.sf_medium)); t_resel_eutra_sf.add_field(make_asn1_enum_number_str_parser("sf_high", &intrafreq->t_resel_eutra_sf.sf_high)); // Run parser with single section return parser::parse_section(std::move(filename), &sib3); } int enb::parse_sib4(std::string filename, sib_type4_s* data) { parser::section sib4("sib4"); // csg-PhysCellIdRange parser::section csg_range("csg_phys_cell_id_range"); sib4.add_subsection(&csg_range); csg_range.set_optional(&data->csg_pci_range_present); csg_range.add_field(make_asn1_enum_number_parser("range", &data->csg_pci_range.range)); csg_range.add_field(new parser::field("start", &data->csg_pci_range.start)); // intraFreqNeighCellList parser::section intra_neigh("intra_freq_neigh_cell_list"); sib4.add_subsection(&intra_neigh); bool dummy_bool = false; intra_neigh.set_optional(&dummy_bool); intra_neigh.add_field(new field_intra_neigh_cell_list(data)); // intraFreqBlackCellList parser::section intra_black("intra_freq_black_cell_list"); sib4.add_subsection(&intra_black); intra_black.set_optional(&dummy_bool); intra_black.add_field(new field_intra_black_cell_list(data)); // Run parser with single section return parser::parse_section(std::move(filename), &sib4); } int enb::parse_sib7(std::string filename, sib_type7_s* data) { parser::section sib7("sib7"); sib7.add_field(new parser::field("t_resel_geran", &data->t_resel_geran)); // TODO: t_resel_geran_sf data->carrier_freqs_info_list_present = true; parser::section geran_neigh("carrier_freqs_info_list"); sib7.add_subsection(&geran_neigh); bool dummy_bool = false; geran_neigh.set_optional(&dummy_bool); geran_neigh.add_field(new field_carrier_freqs_info_list(data)); return parser::parse_section(std::move(filename), &sib7); } int enb::parse_sib9(std::string filename, sib_type9_s* data) { parser::section sib9("sib9"); bool name_enabled, hex_enabled; std::string hnb_name, hex_value; sib9.add_field(new parser::field("hnb_name", &hnb_name, &name_enabled)); sib9.add_field(new parser::field("hex_value", &hex_value, &hex_enabled)); // Run parser with single section if (!parser::parse_section(std::move(filename), &sib9)) { data->hnb_name_present = true; if (name_enabled) { data->hnb_name.resize(SRSLTE_MIN((uint32_t)hnb_name.size(), 48)); memcpy(data->hnb_name.data(), hnb_name.c_str(), data->hnb_name.size()); } else if (hex_enabled) { if (hex_value.size() > 48) { hex_value.resize(48); } data->hnb_name.from_string(hex_value); } else { data->hnb_name_present = false; } return 0; } else { return -1; } } int enb::parse_sib13(std::string filename, sib_type13_r9_s* data) { parser::section sib13("sib13"); sib13.add_field(make_asn1_seqof_size_parser("mbsfn_area_info_list_size", &data->mbsfn_area_info_list_r9)); parser::section mbsfn_notification_config("mbsfn_notification_config"); sib13.add_subsection(&mbsfn_notification_config); mbsfn_notification_config.add_field( make_asn1_enum_str_parser("mbsfn_notification_repetition_coeff", &data->notif_cfg_r9.notif_repeat_coeff_r9)); mbsfn_notification_config.add_field( new parser::field("mbsfn_notification_offset", &data->notif_cfg_r9.notif_offset_r9)); mbsfn_notification_config.add_field( new parser::field("mbsfn_notification_sf_index", &data->notif_cfg_r9.notif_sf_idx_r9)); sib13.add_field(new mbsfn_area_info_list_parser(&data->mbsfn_area_info_list_r9, nullptr)); return parser::parse_section(std::move(filename), &sib13); } int mbsfn_area_info_list_parser::parse(Setting& root) { if (not root.exists("mbsfn_area_info_list")) { if (enabled) { *enabled = false; } mbsfn_list->resize(0); return 0; } mbsfn_list->resize(1); if (enabled) { *enabled = true; } mbsfn_area_info_r9_s* mbsfn_item = &(*mbsfn_list)[0]; field_asn1_enum_str fieldlen("non_mbsfn_region_length", &mbsfn_item->non_mbsfn_region_len); if (fieldlen.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing non_mbsfn_region_length\n"); return -1; } field_asn1_enum_str repeat( "mcch_repetition_period", &mbsfn_item->mcch_cfg_r9.mcch_repeat_period_r9); if (repeat.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing mcch_repetition_period\n"); return -1; } field_asn1_enum_str mod( "mcch_modification_period", &mbsfn_item->mcch_cfg_r9.mcch_mod_period_r9); if (mod.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing mcch_modification_period\n"); return -1; } field_asn1_enum_str sig("signalling_mcs", &mbsfn_item->mcch_cfg_r9.sig_mcs_r9); if (sig.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing signalling_mcs\n"); return -1; } parser::field areaid("mbsfn_area_id", &mbsfn_item->mbsfn_area_id_r9); if (areaid.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing mbsfn_area_id\n"); return -1; } parser::field notif_ind("notification_indicator", &mbsfn_item->notif_ind_r9); if (notif_ind.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing notification_indicator\n"); return -1; } parser::field offset("mcch_offset", &mbsfn_item->mcch_cfg_r9.mcch_offset_r9); if (offset.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing mcch_offset\n"); return -1; } field_asn1_bitstring_number, uint8_t> alloc_info("sf_alloc_info", &mbsfn_item->mcch_cfg_r9.sf_alloc_info_r9); if (alloc_info.parse(root["mbsfn_area_info_list"])) { fprintf(stderr, "Error parsing mbsfn_area_info_list\n"); return -1; } return 0; } int enb::parse_sibs(all_args_t* args_, rrc_cfg_t* rrc_cfg_, phy_cfg_t* phy_config_common) { // FIXME: Leave 0 blank for now sib_type2_s* sib2 = &rrc_cfg_->sibs[1].set_sib2(); sib_type3_s* sib3 = &rrc_cfg_->sibs[2].set_sib3(); sib_type4_s* sib4 = &rrc_cfg_->sibs[3].set_sib4(); sib_type7_s* sib7 = &rrc_cfg_->sibs[6].set_sib7(); sib_type9_s* sib9 = &rrc_cfg_->sibs[8].set_sib9(); sib_type13_r9_s* sib13 = &rrc_cfg_->sibs[12].set_sib13_v920(); sib_type1_s* sib1 = &rrc_cfg_->sib1; if (parse_sib1(args_->enb_files.sib_config, sib1)) { return -1; } // Fill rest of data from enb config sib_type1_s::cell_access_related_info_s_* cell_access = &sib1->cell_access_related_info; cell_access->cell_id.from_number((args_->stack.s1ap.enb_id << 8u) + args_->stack.s1ap.cell_id); cell_access->tac.from_number(args_->stack.s1ap.tac); sib1->freq_band_ind = (uint8_t)srslte_band_get_band(args_->enb.dl_earfcn); std::string mnc_str; if (not srslte::mnc_to_string(args_->stack.s1ap.mnc, &mnc_str)) { ERROR("The provided mnc=%d is not valid", args_->stack.s1ap.mnc); return -1; } std::string mcc_str; if (not srslte::mcc_to_string(args_->stack.s1ap.mcc, &mcc_str)) { ERROR("The provided mnc=%d is not valid", args_->stack.s1ap.mcc); return -1; } cell_access->plmn_id_list.resize(1); srslte::plmn_id_t plmn; if (plmn.from_string(mcc_str + mnc_str) == SRSLTE_ERROR) { ERROR("Could not convert %s to a plmn_id\n", (mcc_str + mnc_str).c_str()); return -1; } srslte::to_asn1(&cell_access->plmn_id_list[0].plmn_id, plmn); cell_access->plmn_id_list[0].cell_reserved_for_oper = plmn_id_info_s::cell_reserved_for_oper_e_::not_reserved; sib1->cell_sel_info.q_rx_lev_min_offset = 0; // Generate SIB2 if (parse_sib2(args_->enb_files.sib_config, sib2)) { return -1; } // SRS not yet supported sib2->rr_cfg_common.srs_ul_cfg_common.set(srs_ul_cfg_common_c::types::release); if (sib2->freq_info.ul_bw_present) { asn1::number_to_enum(sib2->freq_info.ul_bw, args_->enb.n_prb); } if (sib2->freq_info.ul_carrier_freq_present) { sib2->freq_info.ul_carrier_freq = (uint16_t)args_->enb.ul_earfcn; } // Update MBSFN list counter. Only 1 supported if (not args_->stack.embms.enable) { sib2->mbsfn_sf_cfg_list_present = false; sib2->mbsfn_sf_cfg_list.resize(0); } else { // verify SIB13 is available if (not sib_is_present(sib1->sched_info_list, sib_type_e::sib_type13_v920)) { fprintf(stderr, "SIB13 not present in sched_info.\n"); return -1; } } // Generate SIB3 if defined in mapping info if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type3)) { if (parse_sib3(args_->enb_files.sib_config, sib3)) { return -1; } } // Generate SIB4 if defined in mapping info if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type4)) { if (parse_sib4(args_->enb_files.sib_config, sib4)) { return -1; } } // Generate SIB7 if defined in mapping info if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type7)) { if (parse_sib7(args_->enb_files.sib_config, sib7)) { return -1; } } // Generate SIB9 if defined in mapping info if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type9)) { if (parse_sib9(args_->enb_files.sib_config, sib9)) { return -1; } } if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type13_v920)) { if (parse_sib13(args_->enb_files.sib_config, sib13)) { return -1; } } // Copy PHY common configuration bzero(&phy_config_common->cell, sizeof(phy_config_common->cell)); phy_config_common->prach_cnfg = sib2->rr_cfg_common.prach_cfg; phy_config_common->pdsch_cnfg = sib2->rr_cfg_common.pdsch_cfg_common; phy_config_common->pusch_cnfg = sib2->rr_cfg_common.pusch_cfg_common; phy_config_common->pucch_cnfg = sib2->rr_cfg_common.pucch_cfg_common; phy_config_common->srs_ul_cnfg = sib2->rr_cfg_common.srs_ul_cfg_common; return 0; } bool enb::sib_is_present(const sched_info_list_l& l, sib_type_e sib_num) { for (uint32_t i = 0; i < l.size(); i++) { for (uint32_t j = 0; j < l[i].sib_map_info.size(); j++) { if (l[i].sib_map_info[j] == sib_num) { return true; } } } return false; } int enb::parse_rr(all_args_t* args_, rrc_cfg_t* rrc_cfg_) { /* Transmission mode config section */ if (args_->enb.transmission_mode < 1 || args_->enb.transmission_mode > 4) { ERROR("Invalid transmission mode (%d). Only indexes 1-4 are implemented.\n", args_->enb.transmission_mode); return SRSLTE_ERROR; } else if (args_->enb.transmission_mode == 1 && args_->enb.nof_ports > 1) { ERROR("Invalid number of ports (%d) for transmission mode (%d). Only one antenna port is allowed.\n", args_->enb.nof_ports, args_->enb.transmission_mode); return SRSLTE_ERROR; } else if (args_->enb.transmission_mode > 1 && args_->enb.nof_ports != 2) { ERROR("The selected number of ports (%d) are insufficient for the selected transmission mode (%d).\n", args_->enb.nof_ports, args_->enb.transmission_mode); return SRSLTE_ERROR; } rrc_cfg_->antenna_info.tx_mode = (ant_info_ded_s::tx_mode_e_::options)(args_->enb.transmission_mode - 1); rrc_cfg_->antenna_info.ue_tx_ant_sel.set_setup(); switch (rrc_cfg_->antenna_info.tx_mode) { case ant_info_ded_s::tx_mode_e_::tm1: case ant_info_ded_s::tx_mode_e_::tm2: rrc_cfg_->antenna_info.ue_tx_ant_sel.set(setup_e::release); rrc_cfg_->antenna_info.codebook_subset_restrict_present = false; break; case ant_info_ded_s::tx_mode_e_::tm3: rrc_cfg_->antenna_info.ue_tx_ant_sel.setup().value = ant_info_ded_s::ue_tx_ant_sel_c_::setup_e_::open_loop; rrc_cfg_->antenna_info.codebook_subset_restrict_present = true; rrc_cfg_->antenna_info.codebook_subset_restrict.set_n2_tx_ant_tm3(); rrc_cfg_->antenna_info.codebook_subset_restrict.n2_tx_ant_tm3().from_number(0b11); break; case ant_info_ded_s::tx_mode_e_::tm4: rrc_cfg_->antenna_info.ue_tx_ant_sel.setup().value = ant_info_ded_s::ue_tx_ant_sel_c_::setup_e_::closed_loop; rrc_cfg_->antenna_info.codebook_subset_restrict_present = true; rrc_cfg_->antenna_info.codebook_subset_restrict.set_n2_tx_ant_tm4(); rrc_cfg_->antenna_info.codebook_subset_restrict.n2_tx_ant_tm4().from_number(0b111111); break; default: ERROR("Unsupported transmission mode %d\n", rrc_cfg_->antenna_info.tx_mode.to_number()); return SRSLTE_ERROR; } /* Parse power allocation */ if (not asn1::number_to_enum(rrc_cfg_->pdsch_cfg, args_->enb.p_a)) { ERROR("Invalid p_a value (%f) only -6, -4.77, -3, -1.77, 0, 1, 2, 3 values allowed.", args_->enb.p_a); return SRSLTE_ERROR; } /* MAC config section */ parser::section mac_cnfg("mac_cnfg"); parser::section phr_cnfg("phr_cnfg"); mac_cnfg.add_subsection(&phr_cnfg); rrc_cfg_->mac_cnfg.phr_cfg.set( mac_main_cfg_s::phr_cfg_c_::types::release); // default is release if "phr_cnfg" is not found mac_cnfg.add_field(new phr_cnfg_parser(&rrc_cfg_->mac_cnfg.phr_cfg)); // mac_cnfg.add_field(new phr_cnfg_parser(&rrc_cfg_->mac_cnfg.phr_cfg)); parser::section ulsch_cnfg("ulsch_cnfg"); mac_cnfg.add_subsection(&ulsch_cnfg); rrc_cfg_->mac_cnfg.ul_sch_cfg.tti_bundling = false; ulsch_cnfg.add_field(make_asn1_enum_number_parser( "max_harq_tx", &rrc_cfg_->mac_cnfg.ul_sch_cfg.max_harq_tx, &rrc_cfg_->mac_cnfg.ul_sch_cfg.max_harq_tx_present)); ulsch_cnfg.add_field(make_asn1_enum_number_parser("periodic_bsr_timer", &rrc_cfg_->mac_cnfg.ul_sch_cfg.periodic_bsr_timer, &rrc_cfg_->mac_cnfg.ul_sch_cfg.periodic_bsr_timer_present)); ulsch_cnfg.add_field(make_asn1_enum_number_parser("retx_bsr_timer", &rrc_cfg_->mac_cnfg.ul_sch_cfg.retx_bsr_timer)); mac_cnfg.add_field(make_asn1_enum_number_parser("time_alignment_timer", &rrc_cfg_->mac_cnfg.time_align_timer_ded)); /* PHY config section */ parser::section phy_cfg_("phy_cnfg"); parser::section pusch_cnfg_ded("pusch_cnfg_ded"); phy_cfg_.add_subsection(&pusch_cnfg_ded); pusch_cnfg_ded.add_field(new parser::field("beta_offset_ack_idx", &rrc_cfg_->pusch_cfg.beta_offset_ack_idx)); pusch_cnfg_ded.add_field(new parser::field("beta_offset_ri_idx", &rrc_cfg_->pusch_cfg.beta_offset_ri_idx)); pusch_cnfg_ded.add_field(new parser::field("beta_offset_cqi_idx", &rrc_cfg_->pusch_cfg.beta_offset_cqi_idx)); parser::section sched_request_cnfg("sched_request_cnfg"); phy_cfg_.add_subsection(&sched_request_cnfg); sched_request_cnfg.add_field(make_asn1_enum_number_parser("dsr_trans_max", &rrc_cfg_->sr_cfg.dsr_max)); sched_request_cnfg.add_field(new parser::field("period", &rrc_cfg_->sr_cfg.period)); sched_request_cnfg.add_field(new parser::field("nof_prb", &rrc_cfg_->sr_cfg.nof_prb)); sched_request_cnfg.add_field(new field_sf_mapping(rrc_cfg_->sr_cfg.sf_mapping, &rrc_cfg_->sr_cfg.nof_subframes)); parser::section cqi_report_cnfg("cqi_report_cnfg"); phy_cfg_.add_subsection(&cqi_report_cnfg); cqi_report_cnfg.add_field(new parser::field_enum_str( "mode", &rrc_cfg_->cqi_cfg.mode, rrc_cfg_cqi_mode_text, RRC_CFG_CQI_MODE_N_ITEMS)); cqi_report_cnfg.add_field(new parser::field("period", &rrc_cfg_->cqi_cfg.period)); cqi_report_cnfg.add_field(new parser::field("m_ri", &rrc_cfg_->cqi_cfg.m_ri)); cqi_report_cnfg.add_field(new parser::field("nof_prb", &rrc_cfg_->cqi_cfg.nof_prb)); cqi_report_cnfg.add_field(new parser::field("simultaneousAckCQI", &rrc_cfg_->cqi_cfg.simultaneousAckCQI)); cqi_report_cnfg.add_field(new field_sf_mapping(rrc_cfg_->cqi_cfg.sf_mapping, &rrc_cfg_->cqi_cfg.nof_subframes)); /* RRC config section */ parser::section rrc_cnfg("cell_list"); rrc_cnfg.set_optional(&rrc_cfg_->meas_cfg_present); rrc_cnfg.add_field(new rr_sections::cell_list_section(args_, rrc_cfg_)); // Run parser with two sections parser p(args_->enb_files.rr_config); p.add_section(&mac_cnfg); p.add_section(&phy_cfg_); p.add_section(&rrc_cnfg); return p.parse(); } int field_sf_mapping::parse(libconfig::Setting& root) { *nof_subframes = root["subframe"].getLength(); for (uint32_t i = 0; i < *nof_subframes; i++) { sf_mapping[i] = root["subframe"][i]; } return 0; } int phr_cnfg_parser::parse(libconfig::Setting& root) { if (not root.exists("phr_cnfg")) { phr_cfg->set(mac_main_cfg_s::phr_cfg_c_::types::release); return 0; } phr_cfg->set_setup(); mac_main_cfg_s::phr_cfg_c_::setup_s_& s = phr_cfg->setup(); if (not parse_enum_by_str(s.dl_pathloss_change, "dl_pathloss_change", root["phr_cnfg"])) { return -1; } if (not parse_enum_by_number(s.periodic_phr_timer, "periodic_phr_timer", root["phr_cnfg"])) { return -1; } if (not parse_enum_by_number(s.prohibit_phr_timer, "prohibit_phr_timer", root["phr_cnfg"])) { return -1; } return 0; } int enb::parse_drb(all_args_t* args_, rrc_cfg_t* rrc_cfg_) { parser::section qci("qci_config"); qci.add_field(new field_qci(rrc_cfg_->qci_cfg)); return parser::parse_section(args_->enb_files.drb_config, &qci); } int field_qci::parse(libconfig::Setting& root) { auto nof_qci = (uint32_t)root.getLength(); for (uint32_t i = 0; i < MAX_NOF_QCI; i++) { cfg->configured = false; } for (uint32_t i = 0; i < nof_qci; i++) { libconfig::Setting& q = root[i]; uint32_t qci = q["qci"]; // Parse PDCP section if (!q.exists("pdcp_config")) { fprintf(stderr, "Error section pdcp_config not found for qci=%d\n", qci); return -1; } field_asn1_enum_number discard_timer( "discard_timer", &cfg[qci].pdcp_cfg.discard_timer, &cfg[qci].pdcp_cfg.discard_timer_present); discard_timer.parse(q["pdcp_config"]); field_asn1_enum_number pdcp_sn_size( "pdcp_sn_size", &cfg[qci].pdcp_cfg.rlc_um.pdcp_sn_size, &cfg[qci].pdcp_cfg.rlc_um_present); pdcp_sn_size.parse(q["pdcp_config"]); cfg[qci].pdcp_cfg.rlc_am_present = q["pdcp_config"].lookupValue("status_report_required", cfg[qci].pdcp_cfg.rlc_am.status_report_required); cfg[qci].pdcp_cfg.hdr_compress.set(pdcp_cfg_s::hdr_compress_c_::types::not_used); // Parse RLC section rlc_cfg_c* rlc_cfg = &cfg[qci].rlc_cfg; if (q["rlc_config"].exists("ul_am")) { rlc_cfg->set_am(); } else if (q["rlc_config"].exists("ul_um") && q["rlc_config"].exists("dl_um")) { rlc_cfg->set_um_bi_dir(); } else if (q["rlc_config"].exists("ul_um") && !q["rlc_config"].exists("dl_um")) { rlc_cfg->set_um_uni_dir_ul(); } else if (!q["rlc_config"].exists("ul_um") && q["rlc_config"].exists("dl_um")) { rlc_cfg->set_um_uni_dir_dl(); } else { fprintf(stderr, "Invalid combination of UL/DL UM/AM for qci=%d\n", qci); return -1; } // Parse RLC-UM section if (q["rlc_config"].exists("ul_um")) { ul_um_rlc_s* um_rlc; if (rlc_cfg->type() == rlc_cfg_c::types::um_uni_dir_ul) { um_rlc = &rlc_cfg->um_uni_dir_ul().ul_um_rlc; } else { um_rlc = &rlc_cfg->um_bi_dir().ul_um_rlc; } field_asn1_enum_number sn_field_len("sn_field_length", &um_rlc->sn_field_len); if (sn_field_len.parse(q["rlc_config"]["ul_um"])) { ERROR("Error can't find sn_field_length in section ul_um\n"); } } if (q["rlc_config"].exists("dl_um")) { dl_um_rlc_s* um_rlc; if (rlc_cfg->type() == rlc_cfg_c::types::um_uni_dir_dl) { um_rlc = &rlc_cfg->um_uni_dir_dl().dl_um_rlc; } else { um_rlc = &rlc_cfg->um_bi_dir().dl_um_rlc; } field_asn1_enum_number sn_field_len("sn_field_length", &um_rlc->sn_field_len); if (sn_field_len.parse(q["rlc_config"]["dl_um"])) { ERROR("Error can't find sn_field_length in section dl_um\n"); } field_asn1_enum_number t_reordering("t_reordering", &um_rlc->t_reordering); if (t_reordering.parse(q["rlc_config"]["dl_um"])) { ERROR("Error can't find t_reordering in section dl_um\n"); } } // Parse RLC-AM section if (q["rlc_config"].exists("ul_am")) { ul_am_rlc_s* am_rlc = &rlc_cfg->am().ul_am_rlc; field_asn1_enum_number t_poll_retx("t_poll_retx", &am_rlc->t_poll_retx); if (t_poll_retx.parse(q["rlc_config"]["ul_am"])) { ERROR("Error can't find t_poll_retx in section ul_am\n"); } field_asn1_enum_number poll_pdu("poll_pdu", &am_rlc->poll_pdu); if (poll_pdu.parse(q["rlc_config"]["ul_am"])) { ERROR("Error can't find poll_pdu in section ul_am\n"); } field_asn1_enum_number poll_byte("poll_byte", &am_rlc->poll_byte); if (poll_byte.parse(q["rlc_config"]["ul_am"])) { ERROR("Error can't find poll_byte in section ul_am\n"); } field_asn1_enum_number max_retx_thresh("max_retx_thresh", &am_rlc->max_retx_thres); if (max_retx_thresh.parse(q["rlc_config"]["ul_am"])) { ERROR("Error can't find max_retx_thresh in section ul_am\n"); } } if (q["rlc_config"].exists("dl_am")) { dl_am_rlc_s* am_rlc = &rlc_cfg->am().dl_am_rlc; field_asn1_enum_number t_reordering("t_reordering", &am_rlc->t_reordering); if (t_reordering.parse(q["rlc_config"]["dl_am"])) { ERROR("Error can't find t_reordering in section dl_am\n"); } field_asn1_enum_number t_status_prohibit("t_status_prohibit", &am_rlc->t_status_prohibit); if (t_status_prohibit.parse(q["rlc_config"]["dl_am"])) { ERROR("Error can't find t_status_prohibit in section dl_am\n"); } } // Parse logical channel configuration section if (!q.exists("logical_channel_config")) { fprintf(stderr, "Error section logical_channel_config not found for qci=%d\n", qci); return -1; } lc_ch_cfg_s::ul_specific_params_s_* lc_cfg = &cfg[qci].lc_cfg; parser::field priority("priority", &lc_cfg->prio); if (priority.parse(q["logical_channel_config"])) { ERROR("Error can't find logical_channel_config in section priority\n"); } field_asn1_enum_number prioritised_bit_rate( "prioritized_bit_rate", &lc_cfg->prioritised_bit_rate); if (prioritised_bit_rate.parse(q["logical_channel_config"])) { fprintf(stderr, "Error can't find prioritized_bit_rate in section logical_channel_config\n"); } field_asn1_enum_number bucket_size_duration( "bucket_size_duration", &lc_cfg->bucket_size_dur); if (bucket_size_duration.parse(q["logical_channel_config"])) { ERROR("Error can't find bucket_size_duration in section logical_channel_config\n"); } parser::field log_chan_group("log_chan_group", &lc_cfg->lc_ch_group); lc_cfg->lc_ch_group_present = not log_chan_group.parse(q["logical_channel_config"]); cfg[qci].configured = true; } return 0; } namespace rr_sections { static int parse_meas_cell_list(rrc_meas_cfg_t* meas_cfg, Setting& root) { meas_cfg->meas_cells.resize(root.getLength()); for (uint32_t i = 0; i < meas_cfg->meas_cells.size(); ++i) { meas_cfg->meas_cells[i].earfcn = root[i]["dl_earfcn"]; meas_cfg->meas_cells[i].pci = (unsigned int)root[i]["pci"] % 504; meas_cfg->meas_cells[i].eci = (unsigned int)root[i]["eci"]; meas_cfg->meas_cells[i].q_offset = 0; // LIBLTE_RRC_Q_OFFSET_RANGE_DB_0; // TODO // // FIXME: TEMP // printf("PARSER: neighbor cell: {dl_earfcn=%d pci=%d cell_idx=0x%x}\n", // meas_cfg->meas_cells[i].earfcn, // meas_cfg->meas_cells[i].pci, // meas_cfg->meas_cells[i].eci); } return 0; } static int parse_meas_report_desc(rrc_meas_cfg_t* meas_cfg, Setting& root) { // NOTE: For now, only support one meas_report for all cells. // TODO: for a1 // TODO: for a2 // meas report parsing meas_cfg->meas_reports.resize(1); asn1::rrc::report_cfg_eutra_s& meas_item = meas_cfg->meas_reports[0]; HANDLEPARSERCODE(asn1_parsers::str_to_enum(meas_item.trigger_quant, root["a3_report_type"])); auto& event = meas_item.trigger_type.set_event(); event.event_id.set_event_a3().report_on_leave = false; event.event_id.event_a3().a3_offset = (int)root["a3_offset"]; event.hysteresis = (int)root["a3_hysteresis"]; meas_item.max_report_cells = 1; // TODO: parse meas_item.report_amount.value = report_cfg_eutra_s::report_amount_e_::r1; // TODO: parse meas_item.report_interv.value = report_interv_e::ms120; // TODO: parse meas_item.report_quant.value = report_cfg_eutra_s::report_quant_opts::both; // TODO: parse // quant coeff parsing auto& quant = meas_cfg->quant_cfg; HANDLEPARSERCODE(asn1_parsers::number_to_enum(event.time_to_trigger, root["a3_time_to_trigger"])); HANDLEPARSERCODE( asn1_parsers::opt_number_to_enum(quant.filt_coef_rsrp, quant.filt_coef_rsrp_present, root, "rsrp_config")); HANDLEPARSERCODE( asn1_parsers::opt_number_to_enum(quant.filt_coef_rsrq, quant.filt_coef_rsrq_present, root, "rsrq_config")); return SRSLTE_SUCCESS; } static int parse_cell_list(all_args_t* args, rrc_cfg_t* rrc_cfg, Setting& root) { auto cell_id_parser = [](uint32_t& cell_id, Setting& root) { return parse_bounded_number(cell_id, root, 0u, 255u); }; uint32_t self_cellid = args->stack.s1ap.cell_id & 0xFFu; rrc_cfg->cell_list.resize(root.getLength()); for (uint32_t n = 0; n < rrc_cfg->cell_list.size(); ++n) { cell_cfg_t& cell_cfg = rrc_cfg->cell_list[n]; auto& cellroot = root[n]; parse_opt_field(cell_cfg.rf_port, cellroot, "rf_port"); parse_default_field(cell_cfg.cell_id, cellroot, "cell_id", self_cellid, cell_id_parser); parse_default_field(cell_cfg.tac, cellroot, "tac", args->stack.s1ap.tac); parse_default_field(cell_cfg.pci, cellroot, "pci", args->enb.pci); parse_default_field( cell_cfg.root_seq_idx, cellroot, "root_seq_idx", rrc_cfg->sibs[1].sib2().rr_cfg_common.prach_cfg.root_seq_idx); parse_default_field(cell_cfg.dl_earfcn, cellroot, "dl_earfcn", args->enb.dl_earfcn); parse_default_field(cell_cfg.ul_earfcn, cellroot, "ul_earfcn", args->enb.ul_earfcn); if (root["ho_active"]) { HANDLEPARSERCODE(parse_meas_cell_list(&rrc_cfg->meas_cfg, cellroot["meas_cell_list"])); HANDLEPARSERCODE(parse_meas_report_desc(&rrc_cfg->meas_cfg, cellroot["meas_report_desc"])); } cell_cfg.scell_list.resize(cellroot["scell_list"].getLength()); for (uint32_t i = 0; i < cell_cfg.scell_list.size(); ++i) { auto& scell = cell_cfg.scell_list[i]; auto& scellroot = cellroot["scell_list"][i]; cell_id_parser(scell.cell_id, scellroot["cell_id"]); scell.cross_carrier_sched = (bool)scellroot["cross_carrier_scheduling"]; cell_id_parser(scell.sched_cell_id, scellroot["scheduling_cell_id"]); scell.ul_allowed = (bool)scellroot["ul_allowed"]; } } // Configuration check for (auto it = rrc_cfg->cell_list.begin(); it != rrc_cfg->cell_list.end(); it++) { for (auto it2 = it + 1; it2 != rrc_cfg->cell_list.end(); it2++) { // Check RF port is not repeated if (it->rf_port == it2->rf_port) { ERROR("Repeated RF port for multiple cells\n"); } // Check cell ID is not repeated if (it->cell_id == it2->cell_id) { ERROR("Repeated Cell identifier\n"); } } } return SRSLTE_SUCCESS; } int cell_list_section::parse(libconfig::Setting& root) { HANDLEPARSERCODE(parse_cell_list(args, rrc_cfg, root)); return 0; } } // namespace rr_sections } // namespace srsenb