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srsRAN_4G/srsenb/src/enb_cfg_parser.cc

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/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#include "enb_cfg_parser.h"
#include "srsenb/hdr/enb.h"
#include "srsran/asn1/rrc_utils.h"
#include "srsran/common/band_helper.h"
#include "srsran/common/multiqueue.h"
#include "srsran/phy/common/phy_common.h"
#include <boost/algorithm/string.hpp>
#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)
#define ASSERT_VALID_CFG(cond, msg_fmt, ...) \
do { \
if (not(cond)) { \
fprintf(stderr, "Error: Invalid configuration - " msg_fmt "\n", ##__VA_ARGS__); \
return SRSRAN_ERROR; \
} \
} while (0)
using namespace asn1::rrc;
namespace srsenb {
template <typename T>
bool contains_value(T value, const std::initializer_list<T>& list)
{
for (auto& v : list) {
if (v == value) {
return true;
}
}
return false;
}
bool 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 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 SRSRAN_ERROR;
}
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 SRSRAN_ERROR;
}
}
} else {
fprintf(stderr, "Number of si_mapping_info values exceeds maximum (%d)\n", ASN1_RRC_MAX_SIB);
return SRSRAN_ERROR;
}
} 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 SRSRAN_ERROR;
}
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 SRSRAN_ERROR;
}
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 SRSRAN_ERROR;
}
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 SRSRAN_ERROR;
}
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", ASN1_RRC_MAX_GNFG);
return SRSRAN_ERROR;
}
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<asn1::fixed_bitstring<8>, 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", i);
return SRSRAN_ERROR;
}
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", i);
return SRSRAN_ERROR;
}
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", i);
return SRSRAN_ERROR;
}
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", i);
return SRSRAN_ERROR;
}
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<asn1::rrc::band_ind_geran_e> 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", i);
return SRSRAN_ERROR;
}
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 SRSRAN_ERROR;
}
}
} else {
fprintf(stderr, "Number of ARFCN in explicit_list_of_arfcns exceeds maximum (%d)\n", 31);
return SRSRAN_ERROR;
}
} else {
exp_l.resize(0);
}
}
return 0;
}
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 SRSRAN_ERROR;
}
*enabled = true;
mbsfn_list->resize(len);
field_asn1_choice_number<mbsfn_sf_cfg_s::sf_alloc_c_> c(
"subframeAllocation", "subframeAllocationNumFrames", &extract_sf_alloc, &(*mbsfn_list)[0].sf_alloc);
HANDLEPARSERCODE(c.parse(root["mbsfnSubframeConfigList"]));
parser::field<uint8_t> 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<mbsfn_sf_cfg_s::radioframe_alloc_period_e_> e("radioframeAllocationPeriod",
&(*mbsfn_list)[0].radioframe_alloc_period);
HANDLEPARSERCODE(e.parse(root["mbsfnSubframeConfigList"]));
// TODO: Did you forget subframeAllocationNumFrames?
return 0;
}
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<mbsfn_area_info_r9_s::non_mbsfn_region_len_e_> 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 SRSRAN_ERROR;
}
field_asn1_enum_str<mbsfn_area_info_r9_s::mcch_cfg_r9_s_::mcch_repeat_period_r9_e_> 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 SRSRAN_ERROR;
}
field_asn1_enum_str<mbsfn_area_info_r9_s::mcch_cfg_r9_s_::mcch_mod_period_r9_e_> 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 SRSRAN_ERROR;
}
field_asn1_enum_str<mbsfn_area_info_r9_s::mcch_cfg_r9_s_::sig_mcs_r9_e_> 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 SRSRAN_ERROR;
}
parser::field<uint16_t> 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 SRSRAN_ERROR;
}
parser::field<uint8_t> 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 SRSRAN_ERROR;
}
parser::field<uint8_t> 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 SRSRAN_ERROR;
}
field_asn1_bitstring_number<asn1::fixed_bitstring<6>, 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 SRSRAN_ERROR;
}
return 0;
}
int field_sf_mapping::parse(libconfig::Setting& root)
{
if (root.exists("subframe")) {
*nof_subframes = root["subframe"].getLength();
for (uint32_t i = 0; i < *nof_subframes; i++) {
sf_mapping[i] = root["subframe"][i];
}
} else {
// Note: By default we evenly distribute PUCCH resources between SR/CQI.
// The default SR resources will be {0, 2, 4, ...}, while the CQI will be {1, 3, 5, ...}.
*nof_subframes = static_cast<uint32_t>(root["period"]) / 2;
for (uint32_t i = 0; i < *nof_subframes; i++) {
sf_mapping[i] = i * 2 + default_offset;
}
}
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 SRSRAN_ERROR;
}
if (not parse_enum_by_number(s.periodic_phr_timer, "periodic_phr_timer", root["phr_cnfg"])) {
return SRSRAN_ERROR;
}
if (not parse_enum_by_number(s.prohibit_phr_timer, "prohibit_phr_timer", root["phr_cnfg"])) {
return SRSRAN_ERROR;
}
return 0;
}
int field_srb::parse(libconfig::Setting& root)
{
// Parse RLC AM section
rlc_cfg_c* rlc_cfg = &cfg.rlc_cfg.set_explicit_value();
if (root.exists("ul_am") && root.exists("dl_am")) {
rlc_cfg->set_am();
}
// RLC-UM Should not exist section
if (root.exists("ul_um") || root.exists("dl_um")) {
ERROR("Error SRBs must be AM.");
return SRSRAN_ERROR;
}
// Parse RLC-AM section
if (root.exists("ul_am")) {
ul_am_rlc_s* am_rlc = &rlc_cfg->am().ul_am_rlc;
field_asn1_enum_number<t_poll_retx_e> t_poll_retx("t_poll_retx", &am_rlc->t_poll_retx);
if (t_poll_retx.parse(root["ul_am"])) {
ERROR("Error can't find t_poll_retx in section ul_am");
return SRSRAN_ERROR;
}
field_asn1_enum_number<poll_pdu_e> poll_pdu("poll_pdu", &am_rlc->poll_pdu);
if (poll_pdu.parse(root["ul_am"])) {
ERROR("Error can't find poll_pdu in section ul_am");
return SRSRAN_ERROR;
}
field_asn1_enum_number<poll_byte_e> poll_byte("poll_byte", &am_rlc->poll_byte);
if (poll_byte.parse(root["ul_am"])) {
ERROR("Error can't find poll_byte in section ul_am");
return SRSRAN_ERROR;
}
field_asn1_enum_number<ul_am_rlc_s::max_retx_thres_e_> max_retx_thresh("max_retx_thresh", &am_rlc->max_retx_thres);
if (max_retx_thresh.parse(root["ul_am"])) {
ERROR("Error can't find max_retx_thresh in section ul_am");
return SRSRAN_ERROR;
}
}
if (root.exists("dl_am")) {
dl_am_rlc_s* am_rlc = &rlc_cfg->am().dl_am_rlc;
field_asn1_enum_number<t_reordering_e> t_reordering("t_reordering", &am_rlc->t_reordering);
if (t_reordering.parse(root["dl_am"])) {
ERROR("Error can't find t_reordering in section dl_am");
return SRSRAN_ERROR;
}
field_asn1_enum_number<t_status_prohibit_e> t_status_prohibit("t_status_prohibit", &am_rlc->t_status_prohibit);
if (t_status_prohibit.parse(root["dl_am"])) {
ERROR("Error can't find t_status_prohibit in section dl_am");
return SRSRAN_ERROR;
}
}
if (root.exists("enb_specific")) {
cfg.enb_dl_max_retx_thres = (int)root["enb_specific"]["dl_max_retx_thresh"];
}
return 0;
}
int field_qci::parse(libconfig::Setting& root)
{
auto nof_qci = (uint32_t)root.getLength();
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 SRSRAN_ERROR;
}
rrc_cfg_qci_t qcicfg;
field_asn1_enum_number<pdcp_cfg_s::discard_timer_e_> discard_timer(
"discard_timer", &qcicfg.pdcp_cfg.discard_timer, &qcicfg.pdcp_cfg.discard_timer_present);
HANDLEPARSERCODE(discard_timer.parse(q["pdcp_config"]));
field_asn1_enum_number<pdcp_cfg_s::rlc_um_s_::pdcp_sn_size_e_> pdcp_sn_size(
"pdcp_sn_size", &qcicfg.pdcp_cfg.rlc_um.pdcp_sn_size, &qcicfg.pdcp_cfg.rlc_um_present);
HANDLEPARSERCODE(pdcp_sn_size.parse(q["pdcp_config"]));
qcicfg.pdcp_cfg.rlc_am_present =
q["pdcp_config"].lookupValue("status_report_required", qcicfg.pdcp_cfg.rlc_am.status_report_required);
qcicfg.pdcp_cfg.hdr_compress.set(pdcp_cfg_s::hdr_compress_c_::types::not_used);
// Parse RLC section
rlc_cfg_c* rlc_cfg = &qcicfg.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 SRSRAN_ERROR;
}
// 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_e> 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");
return SRSRAN_ERROR;
}
}
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_e> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<t_reordering_e> 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");
return SRSRAN_ERROR;
}
}
// 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_e> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<poll_pdu_e> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<poll_byte_e> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<ul_am_rlc_s::max_retx_thres_e_> 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");
return SRSRAN_ERROR;
}
}
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_e> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<t_status_prohibit_e> 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");
return SRSRAN_ERROR;
}
}
// 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 SRSRAN_ERROR;
}
lc_ch_cfg_s::ul_specific_params_s_* lc_cfg = &qcicfg.lc_cfg;
parser::field<uint8> priority("priority", &lc_cfg->prio);
if (priority.parse(q["logical_channel_config"])) {
ERROR("Error can't find logical_channel_config in section priority");
return SRSRAN_ERROR;
}
field_asn1_enum_number<lc_ch_cfg_s::ul_specific_params_s_::prioritised_bit_rate_e_> 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");
return SRSRAN_ERROR;
}
field_asn1_enum_number<lc_ch_cfg_s::ul_specific_params_s_::bucket_size_dur_e_> 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");
return SRSRAN_ERROR;
}
parser::field<uint8> 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"]);
qcicfg.configured = true;
if (q.exists("enb_specific")) {
qcicfg.enb_dl_max_retx_thres = (int)q["enb_specific"]["dl_max_retx_thresh"];
}
cfg.insert(std::make_pair(qci, qcicfg));
}
return 0;
}
namespace rr_sections {
int parse_rr(all_args_t* args_, rrc_cfg_t* rrc_cfg_, rrc_nr_cfg_t* rrc_nr_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.", args_->enb.transmission_mode);
return SRSRAN_ERROR;
}
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.",
args_->enb.nof_ports,
args_->enb.transmission_mode);
return SRSRAN_ERROR;
}
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).",
args_->enb.nof_ports,
args_->enb.transmission_mode);
return SRSRAN_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", rrc_cfg_->antenna_info.tx_mode.to_number());
return SRSRAN_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 SRSRAN_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<uint8>("beta_offset_ack_idx", &rrc_cfg_->pusch_cfg.beta_offset_ack_idx));
pusch_cnfg_ded.add_field(new parser::field<uint8>("beta_offset_ri_idx", &rrc_cfg_->pusch_cfg.beta_offset_ri_idx));
pusch_cnfg_ded.add_field(new parser::field<uint8>("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<uint32>("period", &rrc_cfg_->sr_cfg.period));
sched_request_cnfg.add_field(new parser::field<uint32>("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, 0));
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<rrc_cfg_cqi_mode_t>(
"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<uint32>("period", &rrc_cfg_->cqi_cfg.period));
cqi_report_cnfg.add_field(new parser::field<uint32>("m_ri", &rrc_cfg_->cqi_cfg.m_ri));
cqi_report_cnfg.add_field(
new parser::field<uint32>("subband_k", &rrc_cfg_->cqi_cfg.subband_k, &rrc_cfg_->cqi_cfg.is_subband_enabled));
cqi_report_cnfg.add_field(new parser::field<bool>("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, 1));
// EUTRA RRC and cell config section
parser::section cell_cnfg("cell_list");
cell_cnfg.set_optional(&rrc_cfg_->meas_cfg_present);
cell_cnfg.add_field(new rr_sections::cell_list_section(args_, rrc_cfg_));
// NR RRC and cell config section
bool nr_cell_cnfg_present = false;
parser::section nr_cell_cnfg("nr_cell_list");
nr_cell_cnfg.set_optional(&nr_cell_cnfg_present);
nr_cell_cnfg.add_field(new rr_sections::nr_cell_list_section(args_, rrc_nr_cfg_, 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(&cell_cnfg);
p.add_section(&nr_cell_cnfg);
return p.parse();
}
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) {
auto& cell = meas_cfg->meas_cells[i];
cell.earfcn = root[i]["dl_earfcn"];
cell.pci = (unsigned int)root[i]["pci"] % SRSRAN_NUM_PCI;
cell.eci = (unsigned int)root[i]["eci"];
cell.q_offset = 0; // LIBLTE_RRC_Q_OFFSET_RANGE_DB_0; // TODO
parse_default_field(cell.direct_forward_path_available, root[i], "direct_forward_path_available", false);
parse_default_field(cell.allowed_meas_bw, root[i], "allowed_meas_bw", 6u);
srsran_assert(srsran::is_lte_cell_nof_prb(cell.allowed_meas_bw), "Invalid measurement Bandwidth");
}
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 SRSRAN_SUCCESS;
}
static int parse_scell_list(cell_cfg_t& cell_cfg, Setting& cellroot)
{
auto cell_id_parser = [](uint32_t& cell_id, Setting& root) { return parse_bounded_number(cell_id, root, 0u, 255u); };
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"];
}
return SRSRAN_SUCCESS;
}
static int parse_cell_list(all_args_t* args, rrc_cfg_t* rrc_cfg, Setting& root)
{
for (uint32_t n = 0; n < (uint32_t)root.getLength(); ++n) {
cell_cfg_t cell_cfg = {};
auto& cellroot = root[n];
parse_opt_field(cell_cfg.rf_port, cellroot, "rf_port");
HANDLEPARSERCODE(parse_required_field(cell_cfg.cell_id, cellroot, "cell_id"));
HANDLEPARSERCODE(parse_required_field(cell_cfg.tac, cellroot, "tac"));
HANDLEPARSERCODE(parse_required_field(cell_cfg.pci, cellroot, "pci"));
cell_cfg.pci = cell_cfg.pci % SRSRAN_NUM_PCI;
HANDLEPARSERCODE(parse_required_field(cell_cfg.dl_earfcn, cellroot, "dl_earfcn"));
parse_required_field(cell_cfg.dl_freq_hz, cellroot, "dl_freq");
parse_required_field(cell_cfg.ul_freq_hz, cellroot, "ul_freq");
parse_default_field(cell_cfg.ul_earfcn, cellroot, "ul_earfcn", 0u); // will be derived from DL EARFCN If not set
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.meas_cfg.meas_gap_period, cellroot, "meas_gap_period", 0u);
if (cellroot.exists("meas_gap_offset_subframe")) {
cell_cfg.meas_cfg.meas_gap_offset_subframe.resize(cellroot["meas_gap_offset_subframe"].getLength());
for (uint32_t j = 0; j < (uint32_t)cellroot["meas_gap_offset_subframe"].getLength(); ++j) {
cell_cfg.meas_cfg.meas_gap_offset_subframe[j] = (uint32_t)cellroot["meas_gap_offset_subframe"][j];
srsran_assert(cell_cfg.meas_cfg.meas_gap_offset_subframe[j] < cell_cfg.meas_cfg.meas_gap_period,
"meas gap offsets must be smaller than meas gap period");
}
}
HANDLEPARSERCODE(parse_default_field(cell_cfg.target_pusch_sinr_db, cellroot, "target_pusch_sinr", -1));
HANDLEPARSERCODE(parse_default_field(cell_cfg.target_pucch_sinr_db, cellroot, "target_pucch_sinr", -1));
HANDLEPARSERCODE(parse_default_field(cell_cfg.enable_phr_handling, cellroot, "enable_phr_handling", false));
HANDLEPARSERCODE(parse_default_field(cell_cfg.min_phr_thres, cellroot, "min_phr_thres", 0));
parse_default_field(cell_cfg.meas_cfg.allowed_meas_bw, cellroot, "allowed_meas_bw", 6u);
srsran_assert(srsran::is_lte_cell_nof_prb(cell_cfg.meas_cfg.allowed_meas_bw), "Invalid measurement Bandwidth");
HANDLEPARSERCODE(asn1_parsers::default_number_to_enum(
cell_cfg.t304, cellroot, "t304", asn1::rrc::mob_ctrl_info_s::t304_opts::ms2000));
if (cellroot.exists("ho_active") and cellroot["ho_active"]) {
HANDLEPARSERCODE(parse_meas_cell_list(&cell_cfg.meas_cfg, cellroot["meas_cell_list"]));
if (not cellroot.exists("meas_report_desc")) {
ERROR("PARSER ERROR: \"ho_active\" is set to true, but field \"meas_report_desc\" doesn't exist.\n");
return SRSRAN_ERROR;
}
HANDLEPARSERCODE(parse_meas_report_desc(&cell_cfg.meas_cfg, cellroot["meas_report_desc"]));
}
if (cellroot.exists("scell_list")) {
HANDLEPARSERCODE(parse_scell_list(cell_cfg, cellroot));
}
rrc_cfg->cell_list.push_back(cell_cfg);
}
// 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");
return SRSRAN_ERROR;
}
// Check cell ID is not repeated
if (it->cell_id == it2->cell_id) {
ERROR("Repeated Cell identifier");
return SRSRAN_ERROR;
}
}
}
return SRSRAN_SUCCESS;
}
static int parse_nr_cell_list(all_args_t* args, rrc_nr_cfg_t* rrc_cfg_nr, rrc_cfg_t* rrc_cfg_eutra, Setting& root)
{
for (uint32_t n = 0; n < (uint32_t)root.getLength(); ++n) {
rrc_cell_cfg_nr_t cell_cfg = {};
auto& cellroot = root[n];
parse_opt_field(cell_cfg.phy_cell.rf_port, cellroot, "rf_port");
HANDLEPARSERCODE(parse_required_field(cell_cfg.phy_cell.carrier.pci, cellroot, "pci"));
HANDLEPARSERCODE(parse_required_field(cell_cfg.phy_cell.cell_id, cellroot, "cell_id"));
HANDLEPARSERCODE(parse_required_field(cell_cfg.phy_cell.root_seq_idx, cellroot, "root_seq_idx"));
HANDLEPARSERCODE(parse_required_field(cell_cfg.tac, cellroot, "tac"));
cell_cfg.phy_cell.carrier.pci = cell_cfg.phy_cell.carrier.pci % SRSRAN_NOF_NID_NR;
HANDLEPARSERCODE(parse_required_field(cell_cfg.dl_arfcn, cellroot, "dl_arfcn"));
parse_opt_field(cell_cfg.ul_arfcn, cellroot, "ul_arfcn");
// frequencies get derived from ARFCN
// TODO: Add further cell-specific parameters
rrc_cfg_nr->cell_list.push_back(cell_cfg);
}
// Configuration check
for (auto it = rrc_cfg_nr->cell_list.begin(); it != rrc_cfg_nr->cell_list.end(); ++it) {
// check against NR cells
for (auto it2 = it + 1; it2 != rrc_cfg_nr->cell_list.end(); it2++) {
// Check RF port is not repeated
if (it->phy_cell.rf_port == it2->phy_cell.rf_port) {
ERROR("Repeated RF port for multiple cells");
return SRSRAN_ERROR;
}
// Check cell PCI not repeated
if (it->phy_cell.carrier.pci == it2->phy_cell.carrier.pci) {
ERROR("Repeated cell PCI");
return SRSRAN_ERROR;
}
// Check cell PCI and cell ID is not repeated
if (it->phy_cell.cell_id == it2->phy_cell.cell_id) {
ERROR("Repeated Cell identifier");
return SRSRAN_ERROR;
}
}
// also check RF port against EUTRA cells
for (auto it_eutra = rrc_cfg_eutra->cell_list.begin(); it_eutra != rrc_cfg_eutra->cell_list.end(); ++it_eutra) {
// Check RF port is not repeated
if (it->phy_cell.rf_port == it_eutra->rf_port) {
ERROR("Repeated RF port for multiple cells");
return SRSRAN_ERROR;
}
}
}
return SRSRAN_SUCCESS;
}
int cell_list_section::parse(libconfig::Setting& root)
{
HANDLEPARSERCODE(parse_cell_list(args, rrc_cfg, root));
return 0;
}
int nr_cell_list_section::parse(libconfig::Setting& root)
{
HANDLEPARSERCODE(parse_nr_cell_list(args, nr_rrc_cfg, eutra_rrc_cfg, root));
return 0;
}
} // namespace rr_sections
namespace enb_conf_sections {
int parse_cell_cfg(all_args_t* args_, srsran_cell_t* cell)
{
cell->frame_type = SRSRAN_FDD;
cell->cp = args_->phy.extended_cp ? SRSRAN_CP_EXT : SRSRAN_CP_NORM;
cell->nof_ports = args_->enb.nof_ports;
cell->nof_prb = args_->enb.n_prb;
// PCI not configured yet
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 = (srsran_phich_length_t)(int)phichcfg.phich_dur;
cell->phich_resources = (srsran_phich_r_t)(int)phichcfg.phich_res;
if (!srsran_cell_isvalid(cell)) {
fprintf(stderr,
"Invalid cell parameters: nof_prb=%d, nof_ports=%d, cell_id=%d\n",
cell->nof_prb,
cell->nof_ports,
cell->id);
return SRSRAN_ERROR;
}
return SRSRAN_SUCCESS;
}
int parse_cfg_files(all_args_t* args_, rrc_cfg_t* rrc_cfg_, rrc_nr_cfg_t* rrc_nr_cfg_, phy_cfg_t* phy_cfg_)
{
// Parse config files
srsran_cell_t cell_common_cfg = {};
try {
if (enb_conf_sections::parse_cell_cfg(args_, &cell_common_cfg) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error parsing Cell configuration\n");
return SRSRAN_ERROR;
}
} catch (const SettingTypeException& stex) {
fprintf(stderr, "Error parsing Cell configuration: %s\n", stex.getPath());
return SRSRAN_ERROR;
} catch (const ConfigException& cex) {
fprintf(stderr, "Error parsing Cell configuration\n");
return SRSRAN_ERROR;
}
try {
if (sib_sections::parse_sibs(args_, rrc_cfg_, phy_cfg_) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error parsing SIB configuration\n");
return SRSRAN_ERROR;
}
} catch (const SettingTypeException& stex) {
fprintf(stderr, "Error parsing SIB configuration: %s\n", stex.getPath());
return SRSRAN_ERROR;
} catch (const ConfigException& cex) {
fprintf(stderr, "Error parsing SIB configurationn\n");
return SRSRAN_ERROR;
}
try {
if (rr_sections::parse_rr(args_, rrc_cfg_, rrc_nr_cfg_) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error parsing Radio Resources configuration\n");
return SRSRAN_ERROR;
}
} catch (const SettingTypeException& stex) {
fprintf(stderr, "Error parsing Radio Resources configuration: %s\n", stex.getPath());
return SRSRAN_ERROR;
} catch (const ConfigException& cex) {
fprintf(stderr, "Error parsing Radio Resources configuration\n");
return SRSRAN_ERROR;
}
try {
if (drb_sections::parse_drb(args_, rrc_cfg_) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error parsing DRB configuration\n");
return SRSRAN_ERROR;
}
} catch (const SettingTypeException& stex) {
fprintf(stderr, "Error parsing DRB configuration: %s\n", stex.getPath());
return SRSRAN_ERROR;
} catch (const ConfigException& cex) {
fprintf(stderr, "Error parsing DRB configuration\n");
return SRSRAN_ERROR;
}
// Set fields derived from others, and check for correctness of the parsed configuration
if (enb_conf_sections::set_derived_args(args_, rrc_cfg_, phy_cfg_, cell_common_cfg) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error deriving EUTRA cell parameters\n");
return SRSRAN_ERROR;
}
// do the same for NR
if (enb_conf_sections::set_derived_args_nr(args_, rrc_nr_cfg_, phy_cfg_) != SRSRAN_SUCCESS) {
fprintf(stderr, "Error deriving NR cell parameters\n");
return SRSRAN_ERROR;
}
// update number of NR cells
rrc_cfg_->num_nr_cells = rrc_nr_cfg_->cell_list.size();
args_->rf.nof_carriers = rrc_cfg_->cell_list.size() + rrc_nr_cfg_->cell_list.size();
return SRSRAN_SUCCESS;
}
int set_derived_args(all_args_t* args_, rrc_cfg_t* rrc_cfg_, phy_cfg_t* phy_cfg_, const srsran_cell_t& cell_cfg_)
{
// Sanity checks
ASSERT_VALID_CFG(not rrc_cfg_->cell_list.empty(), "No cell specified in rr.conf.");
ASSERT_VALID_CFG(args_->stack.mac.nof_prealloc_ues <= SRSENB_MAX_UES,
"mac.nof_prealloc_ues=%d must be within [0, %d]",
args_->stack.mac.nof_prealloc_ues,
SRSENB_MAX_UES);
// Check for a forced DL EARFCN or frequency (only valid for a single cell config (Xico's favorite feature))
if (rrc_cfg_->cell_list.size() == 1) {
auto& cfg = rrc_cfg_->cell_list.at(0);
if (args_->enb.dl_earfcn > 0 and args_->enb.dl_earfcn != cfg.dl_earfcn) {
cfg.dl_earfcn = args_->enb.dl_earfcn;
ERROR("Force DL EARFCN for cell PCI=%d to %d", cfg.pci, cfg.dl_earfcn);
}
if (args_->rf.dl_freq > 0) {
cfg.dl_freq_hz = args_->rf.dl_freq;
ERROR("Force DL freq for cell PCI=%d to %f MHz", cfg.pci, cfg.dl_freq_hz / 1e6f);
}
if (args_->rf.ul_freq > 0) {
cfg.ul_freq_hz = args_->rf.ul_freq;
ERROR("Force UL freq for cell PCI=%d to %f MHz", cfg.pci, cfg.ul_freq_hz / 1e6f);
}
} else {
// If more than one cell is defined, single EARFCN or DL freq will be ignored
if (args_->enb.dl_earfcn > 0 || args_->rf.dl_freq > 0) {
INFO("Multiple cells defined in rr.conf. Ignoring single EARFCN and/or frequency config.");
}
}
// set config for RRC's base cell
rrc_cfg_->cell = cell_cfg_;
// Set S1AP related params from cell list
args_->stack.s1ap.enb_id = args_->enb.enb_id;
args_->stack.s1ap.cell_id = rrc_cfg_->cell_list.at(0).cell_id;
args_->stack.s1ap.tac = rrc_cfg_->cell_list.at(0).tac;
// Create dedicated cell configuration from RRC configuration
for (auto it = rrc_cfg_->cell_list.begin(); it != rrc_cfg_->cell_list.end(); ++it) {
auto& cfg = *it;
phy_cell_cfg_t phy_cell_cfg = {};
phy_cell_cfg.cell = cell_cfg_;
phy_cell_cfg.cell.id = cfg.pci;
phy_cell_cfg.cell_id = cfg.cell_id;
phy_cell_cfg.root_seq_idx = cfg.root_seq_idx;
phy_cell_cfg.rf_port = cfg.rf_port;
phy_cell_cfg.num_ra_preambles =
rrc_cfg_->sibs[1].sib2().rr_cfg_common.rach_cfg_common.preamb_info.nof_ra_preambs.to_number();
if (cfg.dl_freq_hz > 0) {
phy_cell_cfg.dl_freq_hz = cfg.dl_freq_hz;
} else {
phy_cell_cfg.dl_freq_hz = 1e6 * srsran_band_fd(cfg.dl_earfcn);
if (phy_cell_cfg.dl_freq_hz == 0.0) {
ERROR("Couldn't derive DL frequency for EARFCN=%d", cfg.dl_earfcn);
return SRSRAN_ERROR;
}
}
if (cfg.ul_freq_hz > 0) {
phy_cell_cfg.ul_freq_hz = cfg.ul_freq_hz;
} else {
if (cfg.ul_earfcn == 0) {
cfg.ul_earfcn = srsran_band_ul_earfcn(cfg.dl_earfcn);
}
phy_cell_cfg.ul_freq_hz = 1e6 * srsran_band_fu(cfg.ul_earfcn);
if (phy_cell_cfg.ul_freq_hz == 0.0) {
ERROR("Couldn't derive UL frequency for EARFCN=%d", cfg.ul_earfcn);
return SRSRAN_ERROR;
}
}
for (auto scell_it = cfg.scell_list.begin(); scell_it != cfg.scell_list.end();) {
auto cell_it = std::find_if(rrc_cfg_->cell_list.begin(),
rrc_cfg_->cell_list.end(),
[scell_it](const cell_cfg_t& c) { return scell_it->cell_id == c.cell_id; });
if (cell_it == rrc_cfg_->cell_list.end()) {
ERROR("Scell with cell_id=0x%x is not present in rr.conf. Ignoring it.", scell_it->cell_id);
scell_it = cfg.scell_list.erase(scell_it);
} else if (cell_it->cell_id == cfg.cell_id) {
ERROR("A cell cannot have an scell with the same cell_id=0x%x", cfg.cell_id);
return SRSRAN_ERROR;
} else {
scell_it++;
}
}
// Check if the enb cells PCIs won't lead to PSS detection issues
auto is_pss_collision = [&cfg](const cell_cfg_t& c) {
return c.pci % 3 == cfg.pci % 3 and c.dl_earfcn == cfg.dl_earfcn;
};
auto collision_it = std::find_if(it + 1, rrc_cfg_->cell_list.end(), is_pss_collision);
if (collision_it != rrc_cfg_->cell_list.end()) {
ERROR("The cells pci1=%d and pci2=%d will have the same PSS. Consider changing one of the cells' PCI values, "
"otherwise a UE may fail to correctly detect and distinguish them",
it->pci,
collision_it->pci);
}
phy_cfg_->phy_cell_cfg.push_back(phy_cell_cfg);
}
if (args_->enb.transmission_mode == 1) {
phy_cfg_->pdsch_cnfg.p_b = 0; // Default TM1
rrc_cfg_->sibs[1].sib2().rr_cfg_common.pdsch_cfg_common.p_b = 0;
} else {
phy_cfg_->pdsch_cnfg.p_b = 1; // Default TM2,3,4
rrc_cfg_->sibs[1].sib2().rr_cfg_common.pdsch_cfg_common.p_b = 1;
}
rrc_cfg_->inactivity_timeout_ms = args_->general.rrc_inactivity_timer;
uint32_t t310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t310.to_number();
uint32_t t311 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.t311.to_number();
uint32_t n310 = rrc_cfg_->sibs[1].sib2().ue_timers_and_consts.n310.to_number();
uint32_t min_rrc_inactivity_timer = t310 + t311 + n310 + 50;
if (args_->general.rrc_inactivity_timer < min_rrc_inactivity_timer) {
ERROR("rrc_inactivity_timer=%d is too low. Consider setting it to a value equal or above %d",
args_->general.rrc_inactivity_timer,
min_rrc_inactivity_timer);
}
rrc_cfg_->enable_mbsfn = args_->stack.embms.enable;
rrc_cfg_->mbms_mcs = args_->stack.embms.mcs;
// Check number of control symbols
if (args_->stack.mac.sched.min_nof_ctrl_symbols > args_->stack.mac.sched.max_nof_ctrl_symbols) {
ERROR("Invalid minimum number of control symbols %d. Setting it to 1.",
args_->stack.mac.sched.min_nof_ctrl_symbols);
args_->stack.mac.sched.min_nof_ctrl_symbols = 1;
}
// Parse EEA preference list
std::vector<std::string> eea_pref_list;
boost::split(eea_pref_list, args_->general.eea_pref_list, boost::is_any_of(","));
int i = 0;
for (auto it = eea_pref_list.begin(); it != eea_pref_list.end() && i < srsran::CIPHERING_ALGORITHM_ID_N_ITEMS; it++) {
boost::trim_left(*it);
if ((*it) == "EEA0") {
rrc_cfg_->eea_preference_list[i] = srsran::CIPHERING_ALGORITHM_ID_EEA0;
i++;
} else if ((*it) == "EEA1") {
rrc_cfg_->eea_preference_list[i] = srsran::CIPHERING_ALGORITHM_ID_128_EEA1;
i++;
} else if ((*it) == "EEA2") {
rrc_cfg_->eea_preference_list[i] = srsran::CIPHERING_ALGORITHM_ID_128_EEA2;
i++;
} else if ((*it) == "EEA3") {
rrc_cfg_->eea_preference_list[i] = srsran::CIPHERING_ALGORITHM_ID_128_EEA3;
i++;
} else {
fprintf(stderr, "Failed to parse EEA prefence list %s \n", args_->general.eea_pref_list.c_str());
return SRSRAN_ERROR;
}
}
// Parse EIA preference list
std::vector<std::string> eia_pref_list;
boost::split(eia_pref_list, args_->general.eia_pref_list, boost::is_any_of(","));
i = 0;
for (auto it = eia_pref_list.begin(); it != eia_pref_list.end() && i < srsran::INTEGRITY_ALGORITHM_ID_N_ITEMS; it++) {
boost::trim_left(*it);
if ((*it) == "EIA0") {
rrc_cfg_->eia_preference_list[i] = srsran::INTEGRITY_ALGORITHM_ID_EIA0;
i++;
} else if ((*it) == "EIA1") {
rrc_cfg_->eia_preference_list[i] = srsran::INTEGRITY_ALGORITHM_ID_128_EIA1;
i++;
} else if ((*it) == "EIA2") {
rrc_cfg_->eia_preference_list[i] = srsran::INTEGRITY_ALGORITHM_ID_128_EIA2;
i++;
} else if ((*it) == "EIA3") {
rrc_cfg_->eia_preference_list[i] = srsran::INTEGRITY_ALGORITHM_ID_128_EIA3;
i++;
} else {
fprintf(stderr, "Failed to parse EIA prefence list %s \n", args_->general.eia_pref_list.c_str());
return SRSRAN_ERROR;
}
}
// Check PUCCH and PRACH configuration
uint32_t nrb_pucch =
std::max(rrc_cfg_->sr_cfg.nof_prb, (uint32_t)rrc_cfg_->sibs[1].sib2().rr_cfg_common.pucch_cfg_common.nrb_cqi);
uint32_t prach_freq_offset = rrc_cfg_->sibs[1].sib2().rr_cfg_common.prach_cfg.prach_cfg_info.prach_freq_offset;
if (args_->enb.n_prb > 6) {
uint32_t lower_bound = nrb_pucch;
uint32_t upper_bound = args_->enb.n_prb - nrb_pucch;
if (prach_freq_offset + 6 > upper_bound or prach_freq_offset < lower_bound) {
fprintf(stderr,
"ERROR: Invalid PRACH configuration - prach_freq_offset=%d collides with PUCCH.\n",
prach_freq_offset);
fprintf(stderr,
" Consider changing \"prach_freq_offset\" in sib.conf to a value between %d and %d.\n",
lower_bound,
upper_bound);
return SRSRAN_ERROR;
}
} else { // 6 PRB case
if (prach_freq_offset + 6 > args_->enb.n_prb) {
fprintf(stderr,
"ERROR: Invalid PRACH configuration - prach=(%d, %d) does not fit into the eNB PRBs=(0, %d).\n",
prach_freq_offset,
prach_freq_offset + 6,
args_->enb.n_prb);
fprintf(
stderr,
" Consider changing the \"prach_freq_offset\" value to 0 in the sib.conf file when using 6 PRBs.\n");
// patch PRACH config for PHY and in RRC for SIB2
rrc_cfg_->sibs[1].sib2().rr_cfg_common.prach_cfg.prach_cfg_info.prach_freq_offset = 0;
phy_cfg_->prach_cnfg.prach_cfg_info.prach_freq_offset = 0;
}
}
// Patch certain args that are not exposed yet
args_->rf.nof_antennas = args_->enb.nof_ports;
// MAC needs to know the cell bandwidth to dimension softbuffers
args_->stack.mac.nof_prb = args_->enb.n_prb;
// RRC needs eNB id for SIB1 packing
rrc_cfg_->enb_id = args_->stack.s1ap.enb_id;
// Set max number of KOs
rrc_cfg_->max_mac_dl_kos = args_->general.max_mac_dl_kos;
rrc_cfg_->max_mac_ul_kos = args_->general.max_mac_ul_kos;
rrc_cfg_->rlf_release_timer_ms = args_->general.rlf_release_timer_ms;
// Set sync queue capacity to 1 for ZMQ
if (args_->rf.device_name == "zmq") {
srslog::fetch_basic_logger("ENB").info("Using sync queue size of one for ZMQ based radio.");
args_->stack.sync_queue_size = 1;
} else {
// use default size
args_->stack.sync_queue_size = MULTIQUEUE_DEFAULT_CAPACITY;
}
return SRSRAN_SUCCESS;
}
/**
* @brief Set the derived args for the NR RRC and PHY config
*
* Mainly configures the RRC parameter based on the arguments and config files
* read. Since for NSA we are still using a commong PHY between EUTRA and NR
* the PHY configuration is also updated accordingly.
*
* @param args_
* @param nr_rrc_cfg
* @param phy_cfg_
* @return int
*/
int set_derived_args_nr(all_args_t* args_, rrc_nr_cfg_t* rrc_cfg_, phy_cfg_t* phy_cfg_)
{
// Use helper class to derive NR carrier parameters
srsran::srsran_band_helper band_helper;
// Create NR dedicated cell configuration from RRC configuration
for (auto it = rrc_cfg_->cell_list.begin(); it != rrc_cfg_->cell_list.end(); ++it) {
auto& cfg = *it;
cfg.phy_cell.carrier.max_mimo_layers = args_->enb.nof_ports;
// NR cells have the same bandwidth as EUTRA cells, adjust PRB sizes
switch (args_->enb.n_prb) {
case 25:
cfg.phy_cell.carrier.nof_prb = 25;
break;
case 50:
cfg.phy_cell.carrier.nof_prb = 52;
break;
case 100:
cfg.phy_cell.carrier.nof_prb = 106;
break;
default:
ERROR("The only accepted number of PRB is: 25, 50, 100");
return SRSRAN_ERROR;
}
// phy_cell_cfg.root_seq_idx = cfg.root_seq_idx;
cfg.phy_cell.num_ra_preambles = 52; // FIXME: read from config
if (cfg.phy_cell.dl_freq_hz == 0) {
cfg.phy_cell.dl_freq_hz = band_helper.nr_arfcn_to_freq(cfg.dl_arfcn);
}
if (cfg.phy_cell.ul_freq_hz == 0) {
// auto-detect UL frequency
if (cfg.ul_arfcn == 0) {
// derive UL ARFCN from given DL ARFCN
cfg.ul_arfcn = band_helper.get_ul_arfcn_from_dl_arfcn(cfg.dl_arfcn);
if (cfg.ul_arfcn == 0) {
ERROR("Can't derive UL ARFCN from DL ARFCN %d", cfg.dl_arfcn);
return SRSRAN_ERROR;
}
}
cfg.phy_cell.ul_freq_hz = band_helper.nr_arfcn_to_freq(cfg.ul_arfcn);
}
// band
cfg.band = band_helper.get_band_from_dl_arfcn(cfg.dl_arfcn);
// duplex mode
cfg.duplex_mode = band_helper.get_duplex_mode(cfg.band);
phy_cfg_->phy_cell_cfg_nr.push_back(cfg.phy_cell);
}
return SRSRAN_SUCCESS;
}
} // namespace enb_conf_sections
namespace sib_sections {
int 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<int8>("q_rx_lev_min", &data->cell_sel_info.q_rx_lev_min));
sib1.add_field(new parser::field<int8>("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<uint8_t>("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);
}
int 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<uint8>("additional_spectrum_emission", &data->freq_info.add_spec_emission));
freqinfo.add_field(new parser::field<bool>("ul_carrier_freq_present", &data->freq_info.ul_carrier_freq_present));
freqinfo.add_field(new parser::field<bool>("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<bool>("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<uint8>("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 = TODO: ???
// 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<uint16_t>("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<bool>("high_speed_flag", &rr_cfg_common->prach_cfg.prach_cfg_info.high_speed_flag));
prach_cnfg_info.add_field(
new parser::field<uint8_t>("prach_config_index", &rr_cfg_common->prach_cfg.prach_cfg_info.prach_cfg_idx));
prach_cnfg_info.add_field(
new parser::field<uint8_t>("prach_freq_offset", &rr_cfg_common->prach_cfg.prach_cfg_info.prach_freq_offset));
prach_cnfg_info.add_field(new parser::field<uint8_t>(
"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<uint8_t>("p_b", &rr_cfg_common->pdsch_cfg_common.p_b));
pdsch_cnfg.add_field(new parser::field<int8_t>("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<uint8>("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<uint8>("pusch_hopping_offset",
&rr_cfg_common->pusch_cfg_common.pusch_cfg_basic.pusch_hop_offset));
pusch_cnfg.add_field(
new parser::field<bool>("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<uint8>("cyclic_shift", &rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.cyclic_shift));
ulrs_cnfg.add_field(new parser::field<uint8>("group_assignment_pusch",
&rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.group_assign_pusch));
ulrs_cnfg.add_field(new parser::field<bool>("group_hopping_enabled",
&rr_cfg_common->pusch_cfg_common.ul_ref_sigs_pusch.group_hop_enabled));
ulrs_cnfg.add_field(new parser::field<bool>("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<uint8>("n_rb_cqi", &rr_cfg_common->pucch_cfg_common.nrb_cqi));
pucch_cnfg.add_field(new parser::field<uint8>("n_cs_an", &rr_cfg_common->pucch_cfg_common.ncs_an));
pucch_cnfg.add_field(new parser::field<uint16>("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<int8>("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<int8>("p0_nominal_pucch", &rr_cfg_common->ul_pwr_ctrl_common.p0_nominal_pucch));
ul_pwr_ctrl.add_field(
new parser::field<int8>("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 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");
speed_resel.set_optional(&data->cell_resel_info_common.speed_state_resel_pars_present);
resel_common.add_subsection(&speed_resel);
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<uint8>("n_cell_change_medium", &resel_pars->mob_state_params.n_cell_change_medium));
mob_params.add_field(
new parser::field<uint8>("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<uint8>(
"s_non_intra_search", &freqinfo->s_non_intra_search, &freqinfo->s_non_intra_search_present));
resel_serving.add_field(new parser::field<uint8>("thresh_serving_low", &freqinfo->thresh_serving_low));
resel_serving.add_field(new parser::field<uint8>("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<int8_t>("q_rx_lev_min", &intrafreq->q_rx_lev_min));
intra_freq.add_field(new parser::field<int8>("p_max", &intrafreq->p_max, &intrafreq->p_max_present));
intra_freq.add_field(
new parser::field<uint8>("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<bool>("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<uint8>("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 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<uint16>("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 parse_sib7(std::string filename, sib_type7_s* data)
{
parser::section sib7("sib7");
sib7.add_field(new parser::field<uint8>("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 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<std::string>("hnb_name", &hnb_name, &name_enabled));
sib9.add_field(new parser::field<std::string>("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(SRSRAN_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 SRSRAN_ERROR;
}
}
int 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<uint8>("mbsfn_notification_offset", &data->notif_cfg_r9.notif_offset_r9));
mbsfn_notification_config.add_field(
new parser::field<uint8>("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 parse_sibs(all_args_t* args_, rrc_cfg_t* rrc_cfg_, srsenb::phy_cfg_t* phy_config_common)
{
// TODO: 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 (sib_sections::parse_sib1(args_->enb_files.sib_config, sib1) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
// Fill rest of data from enb config
std::string mnc_str;
if (not srsran::mnc_to_string(args_->stack.s1ap.mnc, &mnc_str)) {
ERROR("The provided mnc=%d is not valid", args_->stack.s1ap.mnc);
return SRSRAN_ERROR;
}
std::string mcc_str;
if (not srsran::mcc_to_string(args_->stack.s1ap.mcc, &mcc_str)) {
ERROR("The provided mnc=%d is not valid", args_->stack.s1ap.mcc);
return SRSRAN_ERROR;
}
sib_type1_s::cell_access_related_info_s_* cell_access = &sib1->cell_access_related_info;
cell_access->plmn_id_list.resize(1);
srsran::plmn_id_t plmn;
if (plmn.from_string(mcc_str + mnc_str) == SRSRAN_ERROR) {
ERROR("Could not convert %s to a plmn_id", (mcc_str + mnc_str).c_str());
return SRSRAN_ERROR;
}
srsran::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 (sib_sections::parse_sib2(args_->enb_files.sib_config, sib2) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
// 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);
}
// UL carrier freq is patched before packing the SIB for each CC
// 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 SRSRAN_ERROR;
}
}
// Generate SIB3 if defined in mapping info
if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type3)) {
if (sib_sections::parse_sib3(args_->enb_files.sib_config, sib3) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
}
// Generate SIB4 if defined in mapping info
if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type4)) {
if (sib_sections::parse_sib4(args_->enb_files.sib_config, sib4) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
}
// Generate SIB7 if defined in mapping info
if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type7)) {
if (sib_sections::parse_sib7(args_->enb_files.sib_config, sib7) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
}
// Generate SIB9 if defined in mapping info
if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type9)) {
if (sib_sections::parse_sib9(args_->enb_files.sib_config, sib9) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
}
if (sib_is_present(sib1->sched_info_list, sib_type_e::sib_type13_v920)) {
if (sib_sections::parse_sib13(args_->enb_files.sib_config, sib13) != SRSRAN_SUCCESS) {
return SRSRAN_ERROR;
}
}
// Copy PHY common configuration
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;
}
} // namespace sib_sections
namespace drb_sections {
int parse_drb(all_args_t* args_, rrc_cfg_t* rrc_cfg_)
{
parser::section srb1("srb1_config");
bool srb1_present = false;
srb1.set_optional(&srb1_present);
parser::section srb1_rlc_cfg("rlc_config");
srb1.add_subsection(&srb1_rlc_cfg);
srb1_rlc_cfg.add_field(new field_srb(rrc_cfg_->srb1_cfg));
parser::section srb2("srb2_config");
bool srb2_present = false;
srb2.set_optional(&srb2_present);
parser::section srb2_rlc_cfg("rlc_config");
srb2.add_subsection(&srb2_rlc_cfg);
srb2_rlc_cfg.add_field(new field_srb(rrc_cfg_->srb2_cfg));
parser::section qci("qci_config");
qci.add_field(new field_qci(rrc_cfg_->qci_cfg));
// Run parser with two sections
parser p(args_->enb_files.rb_config);
p.add_section(&srb1);
p.add_section(&srb2);
p.add_section(&qci);
int ret = p.parse();
if (not srb1_present) {
rrc_cfg_->srb1_cfg.rlc_cfg.set_default_value();
}
if (not srb2_present) {
rrc_cfg_->srb2_cfg.rlc_cfg.set_default_value();
}
return ret;
}
} // namespace drb_sections
} // namespace srsenb
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