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Modify nr-cu-nrppa-test simulator to use UE data from config file

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Signed-off-by: Rakesh Mundlamuri <rakesh.mundlamuri@openairinterface.org>
This commit is contained in:
Rakesh Mundlamuri
2026-05-03 19:24:13 +05:30
parent fa4bb92d03
commit c9587a8876
3 changed files with 29 additions and 45 deletions
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65
tests/nr-cu-nrppa/nr-cu-nrppa.c
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@@ -23,6 +23,10 @@ uint64_t downlink_frequency[MAX_NUM_CCs][4];
int64_t uplink_frequency_offset[MAX_NUM_CCs][4];
int oai_exit = 0;
int gnb_id;
uint32_t tac = 1;
uint16_t mcc = 1;
uint16_t mnc = 1;
uint8_t mnc_len = 2;
int NB_UE_INST = 1;
void exit_function(const char *file, const char *function, const int line, const char *s, const int assert)
@@ -492,44 +496,6 @@ static nrppa_measurement_resp_t fill_measurement_response(uint16_t transaction_i
return resp;
}
// Initializing UE NAS Context with simulated SIM data
nr_ue_nas_t *simulated_ue_nas = NULL;
void init_ue_nas_context(void)
{
simulated_ue_nas = calloc_or_fail(1, sizeof(nr_ue_nas_t));
simulated_ue_nas->UE_id = 1;
simulated_ue_nas->security_container = calloc_or_fail(1, sizeof(stream_security_container_t));
// Allocation and simulation of UICC data
simulated_ue_nas->uicc = calloc_or_fail(1, sizeof(uicc_t));
// IMSI : 001010000000001
simulated_ue_nas->uicc->imsiStr = calloc_or_fail(1, 16 * sizeof(char));
strcpy(simulated_ue_nas->uicc->imsiStr, "001010000000001");
simulated_ue_nas->uicc->nmc_size = 2;
// DNN : oai
simulated_ue_nas->uicc->dnnStr = calloc_or_fail(1, 32 * sizeof(char));
strcpy(simulated_ue_nas->uicc->dnnStr, "oai");
// IMEISV : 6754567890123413
simulated_ue_nas->uicc->imeisvStr = calloc_or_fail(1, 17 * sizeof(char));
strcpy(simulated_ue_nas->uicc->imeisvStr, "6754567890123413");
// NSSAI: sst = 1, sd = 0xffffff
simulated_ue_nas->uicc->nssai_sst = 1;
simulated_ue_nas->uicc->nssai_sd = 0xffffff;
// Ki: fec86ba6eb707ed08905757b1bb44b8f
static const uint8_t TEST_K[16] =
{0xfe, 0xc8, 0x6b, 0xa6, 0xeb, 0x70, 0x7e, 0xd0, 0x89, 0x05, 0x75, 0x7b, 0x1b, 0xb4, 0x4b, 0x8f};
memcpy(simulated_ue_nas->uicc->key, TEST_K, 16);
// OPc: c42449363bbad02b66d16bc975d77cc1
static const uint8_t TEST_OPC[16] =
{0xc4, 0x24, 0x49, 0x36, 0x3b, 0xba, 0xd0, 0x2b, 0x66, 0xd1, 0x6b, 0xc9, 0x75, 0xd7, 0x7c, 0xc1};
memcpy(simulated_ue_nas->uicc->opc, TEST_OPC, 16);
// routing indicator
simulated_ue_nas->uicc->routing_indicatorStr = calloc_or_fail(1, 5 * sizeof(char));
strcpy(simulated_ue_nas->uicc->routing_indicatorStr, "0000");
simulated_ue_nas->security.nas_count_ul = 0;
simulated_ue_nas->security.nas_count_dl = 0;
simulated_ue_nas->fiveGMM_state = FGS_DEREGISTERED;
}
// Emulate registration request to register UE in the AMF (required for positioning)
void send_initial_ue_message(instance_t instance)
{
@@ -537,16 +503,23 @@ void send_initial_ue_message(instance_t instance)
NGAP_NAS_FIRST_REQ(msg_p).gNB_ue_ngap_id = 1; // Simulated UE ID
NGAP_NAS_FIRST_REQ(msg_p).plmn.mcc = 1;
NGAP_NAS_FIRST_REQ(msg_p).plmn.mnc = 1;
NGAP_NAS_FIRST_REQ(msg_p).plmn.mnc_digit_length = 2;
NGAP_NAS_FIRST_REQ(msg_p).plmn.mcc = mcc;
NGAP_NAS_FIRST_REQ(msg_p).plmn.mnc = mnc;
NGAP_NAS_FIRST_REQ(msg_p).plmn.mnc_digit_length = mnc_len;
NGAP_NAS_FIRST_REQ(msg_p).nr_cell_id = gnb_id;
NGAP_NAS_FIRST_REQ(msg_p).establishment_cause = NGAP_RRC_CAUSE_MO_SIGNALLING;
as_nas_info_t initialNasMsg = {0};
generateRegistrationRequest(&initialNasMsg, simulated_ue_nas, false);
nr_ue_nas_t *nr_ue_nas = get_ue_nas_info(0);
// serving network name (snn)
// Ideally snn should be filled from SIB1, but we operate at NAS/RRC level and we dont decode SIB1
nr_ue_nas->sn_id = calloc(1, sizeof(plmn_id_t));
nr_ue_nas->sn_id->mcc = mcc;
nr_ue_nas->sn_id->mnc = mnc;
nr_ue_nas->sn_id->mnc_digit_length = mnc_len;
generateRegistrationRequest(&initialNasMsg, nr_ue_nas, false);
NGAP_NAS_FIRST_REQ(msg_p).nas_pdu.buf = initialNasMsg.nas_data;
NGAP_NAS_FIRST_REQ(msg_p).nas_pdu.len = initialNasMsg.length;
@@ -621,7 +594,7 @@ void *rrc_gnb_task(void *args_p)
itti_exit_task();
break;
case NGAP_DOWNLINK_NAS:
LOG_I(NR_RRC, "Ignore NGAP_DOWNLINK_NAS: dont have to handle");
LOG_I(NR_RRC, "Ignore NGAP_DOWNLINK_NAS: dont have to handle\n");
ngap_downlink_nas_t *nas = &NGAP_DOWNLINK_NAS(msg_p);
if (nas->nas_pdu.buf) {
free(nas->nas_pdu.buf);
@@ -679,7 +652,7 @@ int main(int argc, char **argv)
}
logInit();
init_ue_nas_context();
nas_init_nrue(NB_UE_INST);
set_softmodem_sighandler();
@@ -706,6 +679,10 @@ int main(int argc, char **argv)
msg_p = itti_alloc_new_message(TASK_GNB_APP, 0, NGAP_REGISTER_GNB_REQ);
RCconfig_NR_NG(msg_p, 0);
gnb_id = NGAP_REGISTER_GNB_REQ(msg_p).gNB_id;
tac = NGAP_REGISTER_GNB_REQ(msg_p).tac;
mcc = NGAP_REGISTER_GNB_REQ(msg_p).plmn[0].plmn.mcc;
mnc = NGAP_REGISTER_GNB_REQ(msg_p).plmn[0].plmn.mnc;
mnc_len = NGAP_REGISTER_GNB_REQ(msg_p).plmn[0].plmn.mnc_digit_length;
LOG_I(GNB_APP, "Sending NGAP_REGISTER_GNB_REQ to TASK_NGAP\n");
itti_send_msg_to_task(TASK_NGAP, 0, msg_p);

7
tests/nr-cu-nrppa/nr-nrppa-test.conf
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@@ -51,6 +51,13 @@ positioning_config = (
}
);
uicc0 = {
imsi = "001010000000001";
key = "fec86ba6eb707ed08905757b1bb44b8f";
opc = "C42449363BBAD02B66D16BC975D77CC1";
pdu_sessions = ({ dnn = "oai"; nssai_sst = 1; });
}
L1s = (
{
tr_n_preference = "local_mac";

2
tests/nr-ue-nas-simulator/nr-ue-nas-simulator.c
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@@ -75,7 +75,7 @@ int nr_rlc_get_available_tx_space(const rnti_t rntiP, const logical_chan_id_t ch
configmodule_interface_t *uniqCfg = NULL;
// Emulate registration request to register UE in the AMF (required for positioning)
// Emulate registration request to register UE in the AMF
void send_initial_ue_message(instance_t instance)
{
MessageDef *msg_p = itti_alloc_new_message(TASK_RRC_GNB, 0, NGAP_NAS_FIRST_REQ);