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gnb,rrc: Added test for UE Capability Exchange procedure

This commit is contained in:
Bedran Karakoc 2022-01-17 15:18:51 +01:00 committed by Andre Puschmann
parent d769192463
commit 29bd06f58a
5 changed files with 50 additions and 8 deletions
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8
srsgnb/hdr/stack/rrc/rrc_nr_ue.h
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@ -69,12 +69,12 @@ public:
void handle_rrc_reestablishment_request(const asn1::rrc_nr::rrc_reest_request_s& msg);
void handle_rrc_reestablishment_complete(const asn1::rrc_nr::rrc_reest_complete_s& msg);
/* TS 38.331 - 5.6.1 UE capability transfer */
void handle_ue_capability_information(const asn1::rrc_nr::ue_cap_info_s& msg);
/** TS 38.331 - 5.3.8 Connection Release */
void send_rrc_release();
/* TS 38.331 - 5.6.1 UE capability transfer */
void handle_ue_capability_information(const asn1::rrc_nr::ue_cap_info_s& msg);
/** TS 38.331 - 5.7.1 DL information transfer */
void send_dl_information_transfer(srsran::unique_byte_buffer_t sdu);
@ -91,7 +91,7 @@ public:
void send_rrc_reconfiguration();
/* TS 38.331 - 5.6.1 UE capability transfer */
void send_ue_capability_enquiry();
int send_ue_capability_enquiry();
private:
int send_dl_ccch(const asn1::rrc_nr::dl_ccch_msg_s& dl_ccch_msg);

9
srsgnb/src/stack/rrc/rrc_nr_ue.cc
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@ -1183,7 +1183,7 @@ void rrc_nr::ue::send_rrc_reconfiguration()
}
}
void rrc_nr::ue::send_ue_capability_enquiry()
int rrc_nr::ue::send_ue_capability_enquiry()
{
dl_dcch_msg_s dl_dcch_msg;
dl_dcch_msg.msg.set_c1().set_ue_cap_enquiry().rrc_transaction_id = (uint8_t)((transaction_id++) % 4);
@ -1191,14 +1191,12 @@ void rrc_nr::ue::send_ue_capability_enquiry()
// ue-CapabilityRAT-RequestList
ue_cap_rat_request_s cap_rat_request;
cap_rat_request.rat_type.value = rat_type_opts::nr;
cap_rat_request.cap_request_filt_present = true;
cap_rat_request.rat_type.value = rat_type_opts::nr;
// capabilityRequestFilter
ue_cap_request_filt_nr_s request_filter;
// frequencyBandListFilter
request_filter.freq_band_list_filt_present = true;
freq_band_info_c freq_band_info;
freq_band_info_nr_s& freq_band_info_nr = freq_band_info.set_band_info_nr();
@ -1213,12 +1211,15 @@ void rrc_nr::ue::send_ue_capability_enquiry()
asn1::bit_ref bref_pack(cap_rat_request.cap_request_filt.data(), cap_rat_request.cap_request_filt.size());
if (request_filter.pack(bref_pack) != asn1::SRSASN_SUCCESS) {
logger.error("Failed to pack capabilityRequestFilter in UE Capability Enquiry");
return SRSRAN_ERROR;
}
cap_rat_request.cap_request_filt.resize(bref_pack.distance_bytes());
ies.ue_cap_rat_request_list.push_back(cap_rat_request);
send_dl_dcch(srsran::nr_srb::srb1, dl_dcch_msg);
return SRSRAN_SUCCESS;
}
void rrc_nr::ue::handle_ue_capability_information(const asn1::rrc_nr::ue_cap_info_s& msg)

1
srsgnb/src/stack/rrc/test/rrc_nr_test.cc
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@ -180,6 +180,7 @@ void test_rrc_sa_connection()
test_rrc_nr_connection_establishment(task_sched, rrc_obj, rlc_obj, mac_obj, ngap_obj, 0x4601);
test_rrc_nr_info_transfer(task_sched, rrc_obj, pdcp_obj, ngap_obj, 0x4601);
test_rrc_nr_security_mode_cmd(task_sched, rrc_obj, pdcp_obj, 0x4601);
test_rrc_nr_ue_capability_enquiry(task_sched, rrc_obj, pdcp_obj, 0x4601);
test_rrc_nr_reconfiguration(task_sched, rrc_obj, pdcp_obj, ngap_obj, 0x4601);
test_rrc_nr_2nd_reconfiguration(task_sched, rrc_obj, pdcp_obj, ngap_obj, 0x4601);
}

35
srsgnb/src/stack/rrc/test/rrc_nr_test_helpers.cc
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@ -248,6 +248,41 @@ void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
rrc_obj.write_pdu(rnti, 1, std::move(pdu));
}
void test_rrc_nr_ue_capability_enquiry(srsran::task_scheduler& task_sched,
rrc_nr& rrc_obj,
pdcp_nr_rrc_tester& pdcp,
uint16_t rnti)
{
dl_dcch_msg_s dl_dcch_msg;
{
asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
TESTASSERT_SUCCESS(dl_dcch_msg.unpack(bref));
}
// Check if unpacked message is correct (ueCapabilityEnquiry | gNB -> UE)
TESTASSERT_EQ(dl_dcch_msg_type_c::types_opts::c1, dl_dcch_msg.msg.type().value);
TESTASSERT_EQ(dl_dcch_msg_type_c::c1_c_::types_opts::ue_cap_enquiry, dl_dcch_msg.msg.c1().type().value);
TESTASSERT_EQ(ue_cap_enquiry_s::crit_exts_c_::types_opts::ue_cap_enquiry,
dl_dcch_msg.msg.c1().ue_cap_enquiry().crit_exts.type().value);
// Send response (ueCapabilityInformation | UE -> gNB)
ul_dcch_msg_s ul_dcch_msg;
auto& ue_capability_information = ul_dcch_msg.msg.set_c1().set_ue_cap_info();
ue_capability_information.rrc_transaction_id = dl_dcch_msg.msg.c1().ue_cap_enquiry().rrc_transaction_id;
ue_capability_information.crit_exts.set_ue_cap_info();
srsran::unique_byte_buffer_t pdu;
{
pdu = srsran::make_byte_buffer();
asn1::bit_ref bref{pdu->data(), pdu->get_tailroom()};
TESTASSERT_SUCCESS(ul_dcch_msg.pack(bref));
pdu->N_bytes = bref.distance_bytes();
}
// send message to RRC
rrc_obj.write_pdu(rnti, 1, std::move(pdu));
}
void test_rrc_nr_reconfiguration(srsran::task_scheduler& task_sched,
rrc_nr& rrc_obj,
pdcp_nr_rrc_tester& pdcp,

5
srsgnb/src/stack/rrc/test/rrc_nr_test_helpers.h
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@ -106,6 +106,11 @@ void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
pdcp_nr_rrc_tester& pdcp,
uint16_t rnti);
void test_rrc_nr_ue_capability_enquiry(srsran::task_scheduler& task_sched,
rrc_nr& rrc_obj,
pdcp_nr_rrc_tester& pdcp,
uint16_t rnti);
void test_rrc_nr_reconfiguration(srsran::task_scheduler& task_sched,
rrc_nr& rrc_obj,
pdcp_nr_rrc_tester& pdcp,