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@ -21,6 +21,9 @@
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#include "rrc_nr_test_helpers.h"
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#include "rrc_nr_test_helpers.h"
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#include "srsran/common/test_common.h"
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#include "srsran/common/test_common.h"
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#include <string>
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#define NAS_SEC_CMD_STR "d9119b97d7bb59fc842d5b9cc12f00c27e9d5e4c80ee4cceb99a0dbbc6e0b54daa21a5d9e36d2e3b"
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using namespace asn1::rrc_nr;
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using namespace asn1::rrc_nr;
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@ -30,6 +33,7 @@ void test_rrc_nr_connection_establishment(srsran::task_scheduler& task_sched,
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rrc_nr& rrc_obj,
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rrc_nr& rrc_obj,
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rlc_nr_rrc_tester& rlc,
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rlc_nr_rrc_tester& rlc,
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mac_nr_dummy& mac,
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mac_nr_dummy& mac,
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ngap_rrc_tester& ngap,
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uint16_t rnti)
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uint16_t rnti)
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{
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{
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srsran::unique_byte_buffer_t pdu;
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srsran::unique_byte_buffer_t pdu;
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@ -105,8 +109,9 @@ void test_rrc_nr_connection_establishment(srsran::task_scheduler& task_sched,
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complete_ies.registered_amf.amf_id.from_number(0x800101);
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complete_ies.registered_amf.amf_id.from_number(0x800101);
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complete_ies.guami_type_present = true;
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complete_ies.guami_type_present = true;
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complete_ies.guami_type.value = rrc_setup_complete_ies_s::guami_type_opts::native;
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complete_ies.guami_type.value = rrc_setup_complete_ies_s::guami_type_opts::native;
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complete_ies.ded_nas_msg.from_string("7E01280E534C337E004109000BF200F110800101347B80802E02F07071002D7E004109000BF200F"
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std::string NAS_msg_str = "7E01280E534C337E004109000BF200F110800101347B80802E02F07071002D7E004109000BF200F11080010134"
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"110800101347B80801001002E02F0702F0201015200F11000006418010174000090530101");
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"7B80801001002E02F0702F0201015200F11000006418010174000090530101";
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auto& ded_nas_msg = complete_ies.ded_nas_msg.from_string(NAS_msg_str);
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{
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{
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pdu = srsran::make_byte_buffer();
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pdu = srsran::make_byte_buffer();
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@ -127,6 +132,77 @@ void test_rrc_nr_connection_establishment(srsran::task_scheduler& task_sched,
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}
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}
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}
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}
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TESTASSERT(ss_ue_found); /// Ensure UE-specific SearchSpace was added
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TESTASSERT(ss_ue_found); /// Ensure UE-specific SearchSpace was added
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// Check here if the MSG sent to NGAP is correct
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// Create a unbounded_octstring<false> for the expected MSG
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asn1::unbounded_octstring<false> expected;
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expected.from_string(NAS_msg_str);
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TESTASSERT(expected == ngap.last_pdu);
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}
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void test_rrc_nr_info_transfer(srsran::task_scheduler& task_sched,
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rrc_nr& rrc_obj,
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pdcp_nr_rrc_tester& pdcp,
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ngap_rrc_tester& ngap,
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uint16_t rnti)
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{
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// STEP 1 : Send DLInformationTransfer (gNB -> UE)
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// generate sdu to pass as NAS message in DLInformationTransfer
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srsran::unique_byte_buffer_t nsa_sdu;
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nsa_sdu = srsran::make_byte_buffer();
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// create an unbounded_octstring object that contains a random NAS message (we simulate a NAS message)
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asn1::unbounded_octstring<false> NAS_DL_msg;
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NAS_DL_msg.from_string("21d9dfe07800371095c79a751be8352fb44aba7d69b836f5aad594ede9e72b8e34105ca8d7669d5c");
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nsa_sdu->append_bytes(NAS_DL_msg.data(), NAS_DL_msg.size());
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// trigger the RRC to send the DLInformationTransfer
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rrc_obj.write_dl_info(rnti, std::move(nsa_sdu));
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// Test whether there exists the SRB1 initiated in the Connection Establishment
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// We test this as the SRB1 was setup in a different function
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TESTASSERT_EQ(rnti, pdcp.last_sdu_rnti);
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TESTASSERT_EQ(srsran::srb_to_lcid(srsran::nr_srb::srb1), pdcp.last_sdu_lcid);
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// Send SecurityModeCommand (gNB -> UE)
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dl_dcch_msg_s dl_dcch_msg;
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{
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asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
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TESTASSERT_SUCCESS(dl_dcch_msg.unpack(bref));
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}
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// Test if the unpacked message retrived from PCDP is correct
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TESTASSERT_EQ(dl_dcch_msg_type_c::types_opts::c1, dl_dcch_msg.msg.type().value);
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TESTASSERT_EQ(dl_dcch_msg_type_c::c1_c_::types_opts::dl_info_transfer, dl_dcch_msg.msg.c1().type().value);
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TESTASSERT_EQ(dl_info_transfer_s::crit_exts_c_::types_opts::dl_info_transfer,
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dl_dcch_msg.msg.c1().dl_info_transfer().crit_exts.type().value);
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dl_info_transfer_ies_s& ies_DL = dl_dcch_msg.msg.c1().dl_info_transfer().crit_exts.dl_info_transfer();
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TESTASSERT(ies_DL.ded_nas_msg_present == true);
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TESTASSERT(NAS_DL_msg == ies_DL.ded_nas_msg);
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// STEP 2: Send ULInformationTransfer (UE -> gNB)
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ul_dcch_msg_s ul_dcch_msg;
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auto& ies_UL = ul_dcch_msg.msg.set_c1().set_ul_info_transfer().crit_exts.set_ul_info_transfer();
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ies_UL.ded_nas_msg_present = true;
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// Create an unbounded_octstring object that contains a random NAS message (we simulate a NAS message)
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// We reuse ies_UL below to compare the string with the message sent to and unpacked by the gNB
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ies_UL.ded_nas_msg.from_string("6671f8bc80b1860f29b3a8b3b8563ce6c36a591bb1a3dc6612674448fb958d274426d326356aa9aa");
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srsran::unique_byte_buffer_t pdu;
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{
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pdu = srsran::make_byte_buffer();
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asn1::bit_ref bref{pdu->data(), pdu->get_tailroom()};
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TESTASSERT_SUCCESS(ul_dcch_msg.pack(bref));
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pdu->N_bytes = bref.distance_bytes();
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}
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// send message to RRC
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rrc_obj.write_pdu(rnti, 1, std::move(pdu));
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// compare if the actual transmitted matches with the MSG created from the original string
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TESTASSERT(ies_UL.ded_nas_msg == ngap.last_pdu);
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}
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}
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void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
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void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
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@ -134,17 +210,22 @@ void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
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pdcp_nr_rrc_tester& pdcp,
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pdcp_nr_rrc_tester& pdcp,
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uint16_t rnti)
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uint16_t rnti)
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{
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{
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srsran::unique_byte_buffer_t pdu;
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// create an unbounded_octstring object that contains a random NAS message (we simulate a NAS message)
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asn1::unbounded_octstring<false> NAS_msg;
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NAS_msg.from_string(NAS_SEC_CMD_STR);
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srsran::unique_byte_buffer_t nas_pdu;
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nas_pdu = srsran::make_byte_buffer();
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nas_pdu->append_bytes(NAS_msg.data(), NAS_msg.size());
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// Trigger Send SecurityCommand (simulate request from NGAP)
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// Trigger Send SecurityCommand (simulate request from NGAP)
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rrc_obj.start_security_mode_procedure(rnti, nullptr);
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rrc_obj.start_security_mode_procedure(rnti, std::move(nas_pdu));
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// Test whether there exists the SRB1 initiated in the Connection Establishment
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// Test whether there exists the SRB1 initiated in the Connection Establishment
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// We test this as the SRB1 was setup in a different function
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// We test this as the SRB1 was setup in a different function
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TESTASSERT_EQ(rnti, pdcp.last_sdu_rnti);
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TESTASSERT_EQ(rnti, pdcp.last_sdu_rnti);
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TESTASSERT_EQ(srsran::srb_to_lcid(srsran::nr_srb::srb1), 1);
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TESTASSERT_EQ(srsran::srb_to_lcid(srsran::nr_srb::srb1), pdcp.last_sdu_lcid);
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// Send SecurityModeCommand (gNB -> UE)
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// STEP 1 - Send SecurityModeCommand (gNB -> UE)
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dl_dcch_msg_s dl_dcch_msg;
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dl_dcch_msg_s dl_dcch_msg;
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{
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{
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asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
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asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
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@ -161,12 +242,13 @@ void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
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ies.security_cfg_smc.security_algorithm_cfg.integrity_prot_algorithm.value);
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ies.security_cfg_smc.security_algorithm_cfg.integrity_prot_algorithm.value);
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TESTASSERT_EQ(ciphering_algorithm_opts::nea0, ies.security_cfg_smc.security_algorithm_cfg.ciphering_algorithm.value);
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TESTASSERT_EQ(ciphering_algorithm_opts::nea0, ies.security_cfg_smc.security_algorithm_cfg.ciphering_algorithm.value);
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// Send SecurityModeComplete (UE -> gNB)
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// STEP 2 - Send SecurityModeComplete (UE -> gNB)
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ul_dcch_msg_s ul_dcch_msg;
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ul_dcch_msg_s ul_dcch_msg;
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auto& sec_cmd_complete_msg = ul_dcch_msg.msg.set_c1().set_security_mode_complete();
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auto& sec_cmd_complete_msg = ul_dcch_msg.msg.set_c1().set_security_mode_complete();
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sec_cmd_complete_msg.rrc_transaction_id = dl_dcch_msg.msg.c1().security_mode_cmd().rrc_transaction_id;
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sec_cmd_complete_msg.rrc_transaction_id = dl_dcch_msg.msg.c1().security_mode_cmd().rrc_transaction_id;
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auto& ies_complete = sec_cmd_complete_msg.crit_exts.set_security_mode_complete();
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auto& ies_complete = sec_cmd_complete_msg.crit_exts.set_security_mode_complete();
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srsran::unique_byte_buffer_t pdu;
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{
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{
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pdu = srsran::make_byte_buffer();
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pdu = srsran::make_byte_buffer();
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asn1::bit_ref bref{pdu->data(), pdu->get_tailroom()};
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asn1::bit_ref bref{pdu->data(), pdu->get_tailroom()};
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@ -178,4 +260,141 @@ void test_rrc_nr_security_mode_cmd(srsran::task_scheduler& task_sched,
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rrc_obj.write_pdu(rnti, 1, std::move(pdu));
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rrc_obj.write_pdu(rnti, 1, std::move(pdu));
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}
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}
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void test_rrc_nr_reconfiguration(srsran::task_scheduler& task_sched,
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rrc_nr& rrc_obj,
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pdcp_nr_rrc_tester& pdcp,
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ngap_rrc_tester& ngap,
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uint16_t rnti)
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{
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// Test whether there exists the SRB1 initiated in the Connection Establishment
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// We test this as the SRB1 was set up in a different function
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TESTASSERT_EQ(rnti, pdcp.last_sdu_rnti);
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TESTASSERT_EQ(srsran::srb_to_lcid(srsran::nr_srb::srb1), pdcp.last_sdu_lcid);
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dl_dcch_msg_s dl_dcch_msg;
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{
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asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
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TESTASSERT_SUCCESS(dl_dcch_msg.unpack(bref));
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}
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// Test whether the unpacked message is correct
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TESTASSERT_EQ(dl_dcch_msg_type_c::types_opts::c1, dl_dcch_msg.msg.type().value);
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TESTASSERT_EQ(dl_dcch_msg_type_c::c1_c_::types_opts::rrc_recfg, dl_dcch_msg.msg.c1().type().value);
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TESTASSERT_EQ(rrc_recfg_s::crit_exts_c_::types_opts::rrc_recfg,
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dl_dcch_msg.msg.c1().rrc_recfg().crit_exts.type().value);
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const rrc_recfg_ies_s& reconf_ies = dl_dcch_msg.msg.c1().rrc_recfg().crit_exts.rrc_recfg();
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// create an unbounded_octstring object that contains the same NAS message as in SecurityModeCommand
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// The RRCreconfiguration reads the SecurityModeCommand NAS msg previously saved in the queue
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asn1::unbounded_octstring<false> NAS_msg;
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NAS_msg.from_string(NAS_SEC_CMD_STR);
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TESTASSERT_EQ(true, reconf_ies.non_crit_ext.ded_nas_msg_list_present);
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// Test if NAS_msg is the same as the one sent in SecurityModeCommand
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TESTASSERT(NAS_msg == reconf_ies.non_crit_ext.ded_nas_msg_list[0]);
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// STEP 2 - Send RRCReconfiguration (UE -> gNB)
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ul_dcch_msg_s ul_dcch_msg;
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auto& RRC_recfg_complete = ul_dcch_msg.msg.set_c1().set_rrc_recfg_complete();
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RRC_recfg_complete.rrc_transaction_id = dl_dcch_msg.msg.c1().rrc_recfg().rrc_transaction_id;
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RRC_recfg_complete.crit_exts.set_rrc_recfg_complete();
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srsran::unique_byte_buffer_t pdu;
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{
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pdu = srsran::make_byte_buffer();
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asn1::bit_ref bref{pdu->data(), pdu->get_tailroom()};
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TESTASSERT_SUCCESS(ul_dcch_msg.pack(bref));
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pdu->N_bytes = bref.distance_bytes();
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}
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// send message to RRC
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rrc_obj.write_pdu(rnti, 1, std::move(pdu));
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// Verify the NGAP gets notified for the RRCReconfigurationComplete
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TESTASSERT_EQ(true, ngap.last_rrc_recnf_complete);
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}
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void test_rrc_nr_2nd_reconfiguration(srsran::task_scheduler& task_sched,
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rrc_nr& rrc_obj,
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pdcp_nr_rrc_tester& pdcp,
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ngap_rrc_tester& ngap,
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uint16_t rnti)
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{
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// Make sure the NGAP RRCReconfigurationComplete bool is reset to false
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ngap.last_rrc_recnf_complete = false;
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// create an unbounded_octstring object that contains a NAS message (we simulate a random NAS nas)
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asn1::unbounded_octstring<false> NAS_msg;
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NAS_msg.from_string("c574defc80ba722bffb8eacb6f8a163e3222cf1542ac529f6980bb15e0bf12d9f2b29f11fb458ec9");
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// STEP 2 - Trigger and send RRCReconfiguration command (gNB -> UE)
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rrc_obj.establish_rrc_bearer(rnti, 1, NAS_msg, srsran::srb_to_lcid(srsran::nr_srb::srb1));
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// Test whether there exists the SRB1 initiated in the Connection Establishment
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// We test this as the SRB1 was set up in a different function
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TESTASSERT_EQ(rnti, pdcp.last_sdu_rnti);
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TESTASSERT_EQ(srsran::srb_to_lcid(srsran::nr_srb::srb1), pdcp.last_sdu_lcid);
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dl_dcch_msg_s dl_dcch_msg;
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{
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asn1::cbit_ref bref{pdcp.last_sdu->data(), pdcp.last_sdu->size()};
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TESTASSERT_SUCCESS(dl_dcch_msg.unpack(bref));
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}
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// Test whether the unpacked message is correct
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TESTASSERT_EQ(dl_dcch_msg_type_c::types_opts::c1, dl_dcch_msg.msg.type().value);
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TESTASSERT_EQ(dl_dcch_msg_type_c::c1_c_::types_opts::rrc_recfg, dl_dcch_msg.msg.c1().type().value);
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TESTASSERT_EQ(rrc_recfg_s::crit_exts_c_::types_opts::rrc_recfg,
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dl_dcch_msg.msg.c1().rrc_recfg().crit_exts.type().value);
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const rrc_recfg_ies_s& reconf_ies = dl_dcch_msg.msg.c1().rrc_recfg().crit_exts.rrc_recfg();
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TESTASSERT_EQ(true, reconf_ies.radio_bearer_cfg_present);
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TESTASSERT_EQ(true, reconf_ies.radio_bearer_cfg.srb_to_add_mod_list_present);
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TESTASSERT_EQ(1, reconf_ies.radio_bearer_cfg.srb_to_add_mod_list.size());
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TESTASSERT_EQ(2, reconf_ies.radio_bearer_cfg.srb_to_add_mod_list[0].srb_id);
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TESTASSERT_EQ(1, reconf_ies.radio_bearer_cfg.drb_to_add_mod_list.size());
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auto& drb = reconf_ies.radio_bearer_cfg.drb_to_add_mod_list[0];
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TESTASSERT_EQ(1, drb.drb_id);
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TESTASSERT_EQ(true, reconf_ies.non_crit_ext_present);
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TESTASSERT_EQ(true, reconf_ies.non_crit_ext.master_cell_group_present);
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auto& master_group_msg = reconf_ies.non_crit_ext.master_cell_group;
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cell_group_cfg_s master_cell_group;
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{
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asn1::cbit_ref bref{master_group_msg.data(), master_group_msg.size()};
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TESTASSERT_SUCCESS(master_cell_group.unpack(bref));
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}
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// Test if the master_cell_group SRB and DRB IDs match those in the RadioBearerConfig
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TESTASSERT_EQ(0, master_cell_group.cell_group_id);
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TESTASSERT_EQ(true, master_cell_group.rlc_bearer_to_add_mod_list_present);
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auto& rlc_srb = master_cell_group.rlc_bearer_to_add_mod_list[0];
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TESTASSERT_EQ(reconf_ies.radio_bearer_cfg.srb_to_add_mod_list[0].srb_id, rlc_srb.served_radio_bearer.srb_id());
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|
auto& rlc_drb = master_cell_group.rlc_bearer_to_add_mod_list[1];
|
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|
TESTASSERT_EQ(reconf_ies.radio_bearer_cfg.drb_to_add_mod_list[0].drb_id, rlc_drb.served_radio_bearer.drb_id());
|
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|
|
// Test if NAS_msg is the same as the one sent in DLInformationTransfer
|
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|
|
|
|
|
|
TESTASSERT_EQ(true, reconf_ies.non_crit_ext.ded_nas_msg_list_present);
|
|
|
|
|
|
|
|
TESTASSERT(NAS_msg == reconf_ies.non_crit_ext.ded_nas_msg_list[0]);
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// STEP 2 - Send RRCReconfiguration (UE -> gNB)
|
|
|
|
|
|
|
|
ul_dcch_msg_s ul_dcch_msg;
|
|
|
|
|
|
|
|
auto& RRC_recfg_complete = ul_dcch_msg.msg.set_c1().set_rrc_recfg_complete();
|
|
|
|
|
|
|
|
RRC_recfg_complete.rrc_transaction_id = dl_dcch_msg.msg.c1().rrc_recfg().rrc_transaction_id;
|
|
|
|
|
|
|
|
RRC_recfg_complete.crit_exts.set_rrc_recfg_complete();
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
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));
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Verify the NGAP gets notified for the RRCReconfigurationComplete
|
|
|
|
|
|
|
|
TESTASSERT_EQ(true, ngap.last_rrc_recnf_complete);
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
} // namespace srsenb
|
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|
|
} // namespace srsenb
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Codebot
3 years ago
committed by
Your Name