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srsLTE
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ue,proc_ra_nr: add temporary flag to skip RAR reception 

this will be removed again as soon as the eNB supports full RAR
transmission.
This commit is contained in:
Andre Puschmann 2021-07-30 20:41:44 +02:00 committed by Xavier Arteaga
parent 7e38a5119b
commit 28668aac34
5 changed files with 11 additions and 0 deletions
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2
lib/include/srsran/interfaces/mac_interface_types.h
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@ -131,6 +131,7 @@ struct rach_nr_cfg_t {
uint32_t powerRampingStep;
uint32_t ra_responseWindow;
uint32_t ra_ContentionResolutionTimer;
bool skip_rar;
rach_nr_cfg_t() { reset(); }
void reset()
@ -140,6 +141,7 @@ struct rach_nr_cfg_t {
powerRampingStep = 0;
preambleTransMax = 0;
ra_responseWindow = 0;
skip_rar = false;
}
};

1
srsue/hdr/stack/rrc/rrc_nr.h
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@ -42,6 +42,7 @@ struct rrc_nr_args_t {
core_less_args_t coreless;
uint32_t sim_nr_meas_pci;
bool pdcp_short_sn_support;
bool skip_rar;
std::string supported_bands_nr_str;
std::vector<uint32_t> supported_bands_nr;
std::vector<uint32_t> supported_bands_eutra;

1
srsue/src/main.cc
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@ -132,6 +132,7 @@ static int parse_args(all_args_t* args, int argc, char* argv[])
("rrc.mbms_service_port", bpo::value<uint32_t>(&args->stack.rrc.mbms_service_port)->default_value(4321), "Port of the MBMS service")
("rrc.nr_measurement_pci", bpo::value<uint32_t>(&args->stack.rrc_nr.sim_nr_meas_pci)->default_value(500), "NR PCI for the simulated NR measurement")
("rrc.nr_short_sn_support", bpo::value<bool>(&args->stack.rrc_nr.pdcp_short_sn_support)->default_value(true), "Announce PDCP short SN support")
("rrc.skip_nr_rar", bpo::value<bool>(&args->stack.rrc_nr.skip_rar)->default_value(false), "Whether to skip RAR reception (temporary feature)")
("nas.apn", bpo::value<string>(&args->stack.nas.apn_name)->default_value(""), "Set Access Point Name (APN) for data services")
("nas.apn_protocol", bpo::value<string>(&args->stack.nas.apn_protocol)->default_value(""), "Set Access Point Name (APN) protocol for data services")

6
srsue/src/stack/mac_nr/proc_ra_nr.cc
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@ -344,6 +344,12 @@ void proc_ra_nr::prach_sent(uint32_t tti, uint32_t s_id, uint32_t t_id, uint32_t
ra_window_start = TTI_ADD(tti, 3);
logger.debug("Calculated ra_window_start=%d, ra_window_length=%d", ra_window_start, ra_window_length);
state = WAITING_FOR_RESPONSE_RECEPTION;
if (rach_cfg.skip_rar) {
// temp hack for NSA eNB development
state = WAITING_FOR_COMPLETION;
ra_completion();
}
});
}

1
srsue/src/stack/rrc/rrc_nr.cc
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@ -870,6 +870,7 @@ bool rrc_nr::apply_ul_common_cfg(const asn1::rrc_nr::ul_cfg_common_s& ul_cfg_com
if (ul_cfg_common.init_ul_bwp.rach_cfg_common_present) {
if (ul_cfg_common.init_ul_bwp.rach_cfg_common.type() == setup_release_c<rach_cfg_common_s>::types_opts::setup) {
rach_nr_cfg_t rach_nr_cfg = make_mac_rach_cfg(ul_cfg_common.init_ul_bwp.rach_cfg_common.setup());
rach_nr_cfg.skip_rar = args.skip_rar;
mac->set_config(rach_nr_cfg);
// Make the RACH configuration for PHY