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@ -31,7 +31,7 @@
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using namespace srsue;
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using namespace srslte;
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#define HAVE_PCAP 0
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#define HAVE_PCAP 1
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static std::unique_ptr<srslte::mac_pcap> pcap_handle = nullptr;
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@ -57,7 +57,7 @@ public:
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uint32_t len = SRSLTE_MIN(ul_queues[lcid], nof_bytes);
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// set payload bytes to LCID so we can check later if the scheduling was correct
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memset(payload, lcid, len);
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memset(payload, lcid > 0 ? lcid : 0xf, len);
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// remove from UL queue
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ul_queues[lcid] -= len;
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@ -88,24 +88,74 @@ class phy_dummy : public phy_interface_mac_lte
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{
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public:
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phy_dummy() : scell_cmd(0){};
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void set_log(srslte::log* log_h) { this->log_h = log_h; }
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void reset()
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{
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last_preamble_idx = 0;
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last_target_power = 0;
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prach_delay_cnt = 0;
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prach_tti = 0;
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nof_rar_grants = 0;
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rar_temp_rnti = 0;
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rar_time_adv = 0;
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last_crnti = 0;
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prach_transmitted = false;
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prach_info_tx = false;
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}
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void set_prach_tti(uint32_t tti, bool reset_transmitted = true)
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{
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this->prach_tti = tti;
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if (reset_transmitted) {
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prach_transmitted = false;
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}
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}
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// phy_interface_mac_lte
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void configure_prach_params(){};
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virtual void prach_send(uint32_t preamble_idx, int allowed_subframe, float target_power_dbm){};
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void prach_send(uint32_t preamble_idx, int allowed_subframe, float target_power_dbm)
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{
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prach_delay_cnt = 0;
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last_preamble_idx = preamble_idx;
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last_target_power = target_power_dbm;
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prach_transmitted = true;
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prach_info_tx = true;
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log_h->info("PRACH will be transmitted at tti=%d, preamble_idx=%d\n", prach_tti, preamble_idx);
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}
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prach_info_t prach_get_info()
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{
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prach_info_t info = {};
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if (prach_info_tx) {
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prach_delay_cnt++;
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if (prach_delay_cnt > prach_delay) {
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info.tti_ra = prach_tti;
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prach_info_tx = false;
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info.is_transmitted = true;
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log_h->info("PRACH has been transmitted\n");
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}
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}
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return info;
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};
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void sr_send(){};
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int sr_last_tx_tti() { return 0; };
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void set_mch_period_stop(uint32_t stop){};
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// phy_interface_mac_common
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void set_crnti(uint16_t rnti){};
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void set_timeadv_rar(uint32_t ta_cmd){};
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void set_crnti(uint16_t rnti) { last_crnti = rnti; }
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void set_timeadv_rar(uint32_t ta_cmd) { rar_time_adv = ta_cmd; }
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void set_timeadv(uint32_t ta_cmd){};
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void set_activation_deactivation_scell(uint32_t cmd) { scell_cmd = cmd; };
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void set_rar_grant(uint8_t grant_payload[SRSLTE_RAR_GRANT_LEN], uint16_t rnti){};
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void set_rar_grant(uint8_t grant_payload[SRSLTE_RAR_GRANT_LEN], uint16_t rnti)
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{
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memcpy(rar_payload, grant_payload, SRSLTE_RAR_GRANT_LEN);
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rar_temp_rnti = rnti;
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nof_rar_grants++;
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}
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uint32_t get_current_tti() { return 0; }
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float get_phr() { return 0; };
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float get_pathloss_db() { return 0; };
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@ -113,17 +163,161 @@ public:
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// getter for test execution
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uint32_t get_scell_cmd() { return scell_cmd; }
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// Testing methods
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int dl_grant(mac* mac_h, bool ack, uint16_t rnti, uint32_t len, const uint8_t* payload)
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{
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bool ack_v[SRSLTE_MAX_CODEWORDS] = {ack, 0};
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mac_interface_phy_lte::tb_action_dl_t dl_action = {};
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mac_interface_phy_lte::mac_grant_dl_t dl_mac_grant = {};
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// Send grant to MAC
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dl_mac_grant.rnti = rnti;
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dl_mac_grant.tb[0].ndi = dl_ndi;
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dl_mac_grant.tb[0].ndi_present = true;
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dl_mac_grant.tb[0].tbs = len;
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mac_h->new_grant_dl(0, dl_mac_grant, &dl_action);
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if (ack && !SRSLTE_RNTI_ISRAR(rnti)) {
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dl_ndi = !dl_ndi;
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}
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TESTASSERT(dl_action.tb[0].enabled);
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TESTASSERT((int)dl_action.tb[0].rv == dl_mac_grant.tb[0].rv);
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// Copy data and send tb_decoded
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memcpy(dl_action.tb[0].payload, payload, len);
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// print generated PDU
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log_h->info_hex(
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dl_action.tb[0].payload, dl_mac_grant.tb[0].tbs, "Generated DL PDU (%d B)\n", dl_mac_grant.tb[0].tbs);
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#if HAVE_PCAP
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pcap_handle->write_dl_crnti(dl_action.tb[0].payload, dl_mac_grant.tb[0].tbs, rnti, true, 1);
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#endif
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mac_h->tb_decoded(0, dl_mac_grant, ack_v);
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return 0;
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}
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int rar_and_check(mac* mac_h, bool preamble_matches, uint32_t temp_rnti)
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{
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// Generate RAR to MAC
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uint8_t grant[SRSLTE_RAR_GRANT_LEN] = {};
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memset(grant, 1, SRSLTE_RAR_GRANT_LEN);
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uint32_t rar_timeadv = 16;
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srslte::rar_pdu rar_pdu_msg;
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byte_buffer.clear();
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rar_pdu_msg.init_tx(&byte_buffer, 7);
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if (rar_pdu_msg.new_subh()) {
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rar_pdu_msg.get()->set_rapid(preamble_matches ? last_preamble_idx : (last_preamble_idx + 1));
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rar_pdu_msg.get()->set_ta_cmd(rar_timeadv);
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rar_pdu_msg.get()->set_temp_crnti(temp_rnti);
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rar_pdu_msg.get()->set_sched_grant(grant);
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}
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rar_pdu_msg.write_packet(byte_buffer.msg);
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// Send RAR grant to MAC
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dl_grant(mac_h, true, get_rar_rnti(), 7, byte_buffer.msg);
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// Check MAC passes RAR grant and TA cmd to PHY
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if (preamble_matches) {
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TESTASSERT(!memcmp(rar_payload, grant, SRSLTE_RAR_GRANT_LEN));
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TESTASSERT(rar_temp_rnti == temp_rnti);
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TESTASSERT(rar_time_adv == rar_timeadv);
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}
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return 0;
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}
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int ul_grant_and_check_tv(mac* mac_h, bool ack, uint16_t rnti, uint32_t len, const uint8_t* tv)
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{
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mac_interface_phy_lte::tb_action_ul_t ul_action = {};
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mac_interface_phy_lte::mac_grant_ul_t ul_mac_grant = {};
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// Generate UL Grant
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ul_mac_grant.phich_available = !ack;
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ul_mac_grant.rnti = rnti;
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ul_mac_grant.tb.ndi = ul_ndi;
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ul_mac_grant.tb.ndi_present = ack;
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ul_mac_grant.tb.tbs = len;
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if (ack) {
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ul_ndi = !ul_ndi;
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}
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// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
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mac_h->new_grant_ul(0, ul_mac_grant, &ul_action);
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// print generated PDU
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log_h->info_hex(ul_action.tb.payload, ul_mac_grant.tb.tbs, "Generated UL PDU (%d B)\n", ul_mac_grant.tb.tbs);
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#if HAVE_PCAP
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pcap_handle->write_ul_crnti(ul_action.tb.payload, ul_mac_grant.tb.tbs, rnti, true, 1);
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#endif
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if (tv && ul_action.tb.payload) {
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return memcmp(ul_action.tb.payload, tv, len);
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} else {
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return 0;
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}
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}
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int get_last_preamble() { return last_preamble_idx; }
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uint32_t is_prach_transmitted() { return prach_transmitted; }
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uint32_t get_rar_rnti() { return (prach_tti % 10) + 1; }
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uint16_t get_crnti() { return last_crnti; }
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const static uint32_t prach_delay = 5;
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private:
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uint32_t scell_cmd;
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uint32_t scell_cmd = 0;
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uint32_t prach_delay_cnt = 0;
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uint32_t prach_tti = 0;
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bool prach_info_tx = false;
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bool prach_transmitted = false;
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float last_target_power = 0;
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int last_preamble_idx = -1;
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uint16_t last_crnti = 0;
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srslte::log* log_h;
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bool ul_ndi = false;
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bool dl_ndi = false;
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byte_buffer_t byte_buffer;
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uint32_t nof_rar_grants = 0;
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uint32_t rar_time_adv = 0;
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uint16_t rar_temp_rnti = 0;
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uint8_t rar_payload[SRSLTE_RAR_GRANT_LEN];
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};
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class rrc_dummy : public rrc_interface_mac
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{
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public:
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void ho_ra_completed(bool ra_successful) { printf("%s\n", __FUNCTION__); }
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void ho_ra_completed(bool ra_successful)
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{
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ho_finish = true;
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ho_finish_successful = ra_successful;
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}
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void release_pucch_srs() { printf("%s\n", __FUNCTION__); }
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void run_tti(uint32_t tti) { printf("%s\n", __FUNCTION__); }
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void ra_problem() { printf("%s\n", __FUNCTION__); }
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void ra_problem() { rach_problem++; }
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bool ho_finish = false;
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bool ho_finish_successful = false;
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uint32_t rach_problem = 0;
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};
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} // namespace srslte
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@ -873,10 +1067,185 @@ int mac_ul_sch_pdu_three_byte_test()
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return SRSLTE_SUCCESS;
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}
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// UL-SCH with Trucated BSR and 6 B Msg3
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int mac_ul_sch_pdu_msg3_test()
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struct ra_test {
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uint32_t nof_prachs;
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uint32_t rar_nof_rapid; // set to zero to don't transmit RAR
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uint32_t rar_nof_invalid_rapid;
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uint16_t crnti;
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uint16_t temp_rnti;
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uint32_t nof_msg3_retx;
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uint32_t preamble_idx;
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int assume_prach_transmitted;
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bool send_valid_ul_grant;
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bool msg4_enable;
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bool msg4_valid_conres;
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bool check_ra_successful;
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asn1::rrc::rach_cfg_common_s rach_cfg;
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};
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struct ra_test test;
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int run_mac_ra_test(struct ra_test test, mac* mac, phy_dummy* phy, uint32_t* tti_state)
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{
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const uint8_t tv[] = {0x3c, 0x00, 0xd0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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uint32_t tti = *tti_state;
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const uint8_t tv_msg3[] = {0x3c, 0x00, 0xd0, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f};
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const uint8_t tv_msg3_ce[] = {0x1b, 0x00, 0x65};
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uint32_t msg4_len = 7;
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const uint8_t tv_msg4_nocontres[] = {0x1f, 0x1f};
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const uint8_t tv_msg4_valid[] = {0x1c, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f};
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const uint8_t tv_msg4_invalid[] = {0x1c, 0x0f, 0x0a, 0x0f, 0x0f, 0x0f, 0x0f};
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|
|
|
uint16_t temp_rnti = test.temp_rnti;
|
|
|
|
|
|
|
|
|
|
bool new_prach = false;
|
|
|
|
|
|
|
|
|
|
for (uint32_t j = 0; j < test.nof_prachs; j++) {
|
|
|
|
|
|
|
|
|
|
// In the next TTI, a BSR shall be triggered which triggers SR which triggers PRACH
|
|
|
|
|
if (test.assume_prach_transmitted != (int)j) {
|
|
|
|
|
phy->set_prach_tti(tti + phy->prach_delay);
|
|
|
|
|
mac->run_tti(tti++);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Check MAC instructs PHY to transmit PRACH
|
|
|
|
|
TESTASSERT(phy->is_prach_transmitted());
|
|
|
|
|
|
|
|
|
|
// Test preamble index
|
|
|
|
|
if (test.preamble_idx) {
|
|
|
|
|
TESTASSERT(phy->get_last_preamble() == (int)test.preamble_idx);
|
|
|
|
|
} else {
|
|
|
|
|
TESTASSERT(phy->get_last_preamble() < test.rach_cfg.preamb_info.nof_ra_preambs.to_number());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// TODO: Test power ramping
|
|
|
|
|
|
|
|
|
|
// Check MAC does not schedule RA-RNTI before window starts
|
|
|
|
|
for (uint32_t i = 0; i < phy->prach_delay + 3 - 1; i++) {
|
|
|
|
|
mac->run_tti(tti);
|
|
|
|
|
TESTASSERT(!SRSLTE_RNTI_ISRAR(mac->get_dl_sched_rnti(tti)));
|
|
|
|
|
tti++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
bool rapid_found = false;
|
|
|
|
|
// Check MAC schedules correct RA-RNTI during window
|
|
|
|
|
for (uint32_t i = 0; i < test.rach_cfg.ra_supervision_info.ra_resp_win_size.to_number() && !rapid_found; i++) {
|
|
|
|
|
mac->run_tti(tti);
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) == phy->get_rar_rnti());
|
|
|
|
|
tti++;
|
|
|
|
|
|
|
|
|
|
// Receive RAR
|
|
|
|
|
if (test.rar_nof_rapid > 0) {
|
|
|
|
|
rapid_found = i >= test.rar_nof_invalid_rapid;
|
|
|
|
|
if (phy->rar_and_check(mac, rapid_found, temp_rnti)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Run Contention Resolution if received correct RAPID
|
|
|
|
|
if (rapid_found) {
|
|
|
|
|
// Skip Contention resolution if preamble chosen by network
|
|
|
|
|
if (test.preamble_idx) {
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
// Request Msg3 (re)-transmission
|
|
|
|
|
for (uint32_t i = 0; i < test.nof_msg3_retx + 1; i++) {
|
|
|
|
|
|
|
|
|
|
// Step to contention resolution. Make sure timer does not start until Msg3 is transmitted
|
|
|
|
|
// and restarts on every retx
|
|
|
|
|
for (int j = 0; j < test.rach_cfg.ra_supervision_info.mac_contention_resolution_timer.to_number() - 1; j++) {
|
|
|
|
|
mac->run_tti(tti);
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) == (test.crnti ? test.crnti : test.temp_rnti));
|
|
|
|
|
tti++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (i == test.rach_cfg.max_harq_msg3_tx) {
|
|
|
|
|
phy->set_prach_tti(tti + phy->prach_delay, false);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (test.crnti) {
|
|
|
|
|
TESTASSERT(!phy->ul_grant_and_check_tv(mac, i == 0, temp_rnti, 3, tv_msg3_ce));
|
|
|
|
|
} else {
|
|
|
|
|
TESTASSERT(!phy->ul_grant_and_check_tv(mac, i == 0, temp_rnti, 9, tv_msg3));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (test.nof_msg3_retx == test.rach_cfg.max_harq_msg3_tx) {
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) != temp_rnti);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (int i = 0; i < test.rach_cfg.ra_supervision_info.mac_contention_resolution_timer.to_number() - 1; i++) {
|
|
|
|
|
mac->run_tti(tti);
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) == (test.crnti ? test.crnti : test.temp_rnti));
|
|
|
|
|
tti++;
|
|
|
|
|
|
|
|
|
|
if (test.msg4_enable) {
|
|
|
|
|
if (test.crnti) {
|
|
|
|
|
// Test a DL grant does not resolve the contention resolution
|
|
|
|
|
if (phy->dl_grant(mac, true, test.crnti, 2, tv_msg4_nocontres)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
TESTASSERT(phy->get_crnti() != test.crnti);
|
|
|
|
|
|
|
|
|
|
// UL grant is checked later
|
|
|
|
|
if (test.send_valid_ul_grant) {
|
|
|
|
|
if (phy->ul_grant_and_check_tv(mac, true, test.crnti, 2, NULL)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
} else if ((int)i == test.rach_cfg.ra_supervision_info.mac_contention_resolution_timer.to_number() - 2) {
|
|
|
|
|
new_prach = true;
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
if (phy->dl_grant(
|
|
|
|
|
mac, true, temp_rnti, msg4_len, test.msg4_valid_conres ? tv_msg4_valid : tv_msg4_invalid)) {
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
if (!test.msg4_valid_conres) {
|
|
|
|
|
new_prach = true;
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (new_prach) {
|
|
|
|
|
test.assume_prach_transmitted = (int)j + 1;
|
|
|
|
|
phy->set_prach_tti(tti + phy->prach_delay, false);
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) != temp_rnti);
|
|
|
|
|
mac->run_tti(tti++);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// RA procedure should be completed here
|
|
|
|
|
if (test.check_ra_successful) {
|
|
|
|
|
mac->run_tti(tti);
|
|
|
|
|
TESTASSERT(phy->get_crnti() == (test.crnti ? test.crnti : test.temp_rnti));
|
|
|
|
|
TESTASSERT(mac->get_dl_sched_rnti(tti) == (test.crnti ? test.crnti : test.temp_rnti));
|
|
|
|
|
tti++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*tti_state = tti;
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Tests MAC RA procedure specified in 5.1 of 36.321
|
|
|
|
|
* Currently not covered:
|
|
|
|
|
* - Selection of groupA/groupB sequences
|
|
|
|
|
* - Backoff timer
|
|
|
|
|
* - PDCCH order RACH initiation
|
|
|
|
|
* - Ignore RAR TA cmd when TA-Timer is running
|
|
|
|
|
*/
|
|
|
|
|
int mac_random_access_test()
|
|
|
|
|
{
|
|
|
|
|
uint64_t contention_id = 0xf0f0f0f0f0f;
|
|
|
|
|
|
|
|
|
|
srslte::log_filter phy_log("PHY");
|
|
|
|
|
phy_log.set_level(srslte::LOG_LEVEL_DEBUG);
|
|
|
|
|
phy_log.set_hex_limit(100000);
|
|
|
|
|
|
|
|
|
|
srslte::log_filter mac_log("MAC");
|
|
|
|
|
mac_log.set_level(srslte::LOG_LEVEL_DEBUG);
|
|
|
|
|
@ -888,14 +1257,26 @@ int mac_ul_sch_pdu_msg3_test()
|
|
|
|
|
|
|
|
|
|
// dummy layers
|
|
|
|
|
phy_dummy phy;
|
|
|
|
|
phy.set_log(&phy_log);
|
|
|
|
|
rlc_dummy rlc(&rlc_log);
|
|
|
|
|
rrc_dummy rrc;
|
|
|
|
|
|
|
|
|
|
// the actual MAC
|
|
|
|
|
// Configure default RACH parameters
|
|
|
|
|
asn1::rrc::rach_cfg_common_s rach_cfg = {};
|
|
|
|
|
rach_cfg.preamb_info.nof_ra_preambs = asn1::rrc::rach_cfg_common_s::preamb_info_s_::nof_ra_preambs_opts::n12;
|
|
|
|
|
rach_cfg.ra_supervision_info.preamb_trans_max = asn1::rrc::preamb_trans_max_opts::n8;
|
|
|
|
|
rach_cfg.ra_supervision_info.ra_resp_win_size =
|
|
|
|
|
asn1::rrc::rach_cfg_common_s::ra_supervision_info_s_::ra_resp_win_size_e_::sf4;
|
|
|
|
|
rach_cfg.max_harq_msg3_tx = 2;
|
|
|
|
|
rach_cfg.ra_supervision_info.mac_contention_resolution_timer =
|
|
|
|
|
asn1::rrc::rach_cfg_common_s::ra_supervision_info_s_::mac_contention_resolution_timer_opts::sf8;
|
|
|
|
|
|
|
|
|
|
// Configure MAC
|
|
|
|
|
mac mac(&mac_log);
|
|
|
|
|
mac.init(&phy, &rlc, &rrc);
|
|
|
|
|
const uint16_t crnti = 0x1001;
|
|
|
|
|
mac.set_ho_rnti(crnti, 0);
|
|
|
|
|
mac_interface_rrc::mac_cfg_t mac_cfg;
|
|
|
|
|
mac_cfg.set_rach_cfg_common(rach_cfg);
|
|
|
|
|
mac.set_config(mac_cfg);
|
|
|
|
|
|
|
|
|
|
// generate config for LCIDs in different LCGs than CCCH
|
|
|
|
|
std::vector<logical_channel_config_t> lcids;
|
|
|
|
|
@ -913,41 +1294,148 @@ int mac_ul_sch_pdu_msg3_test()
|
|
|
|
|
mac.setup_lcid(channel.lcid, channel.lcg, channel.priority, channel.PBR, channel.BSD);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// write dummy data
|
|
|
|
|
// Generate Msg3
|
|
|
|
|
mac.set_contention_id(contention_id);
|
|
|
|
|
rlc.write_sdu(0, 6); // UL-CCCH with Msg3
|
|
|
|
|
rlc.write_sdu(3, 100); // DRB data on other LCG
|
|
|
|
|
|
|
|
|
|
// generate TTI
|
|
|
|
|
uint32 tti = 0;
|
|
|
|
|
mac.run_tti(tti++);
|
|
|
|
|
usleep(100);
|
|
|
|
|
|
|
|
|
|
// create UL action and grant and push MAC PDU
|
|
|
|
|
{
|
|
|
|
|
mac_interface_phy_lte::tb_action_ul_t ul_action = {};
|
|
|
|
|
mac_interface_phy_lte::mac_grant_ul_t mac_grant = {};
|
|
|
|
|
|
|
|
|
|
mac_grant.rnti = crnti; // make sure MAC picks it up as valid UL grant
|
|
|
|
|
mac_grant.tb.ndi_present = true;
|
|
|
|
|
mac_grant.tb.ndi = true;
|
|
|
|
|
mac_grant.tb.tbs = 9; // give room for MAC subheader, SDU and one padding byte
|
|
|
|
|
int cc_idx = 0;
|
|
|
|
|
|
|
|
|
|
// Send grant to MAC and get action for this TB, then call tb_decoded to unlock MAC
|
|
|
|
|
mac.new_grant_ul(cc_idx, mac_grant, &ul_action);
|
|
|
|
|
|
|
|
|
|
// print generated PDU
|
|
|
|
|
mac_log.info_hex(ul_action.tb.payload, mac_grant.tb.tbs, "Generated PDU (%d B)\n", mac_grant.tb.tbs);
|
|
|
|
|
#if HAVE_PCAP
|
|
|
|
|
pcap_handle->write_ul_crnti(ul_action.tb.payload, mac_grant.tb.tbs, 0x1001, true, 1);
|
|
|
|
|
#endif
|
|
|
|
|
// Structure that defines the test to be executed
|
|
|
|
|
struct ra_test my_test;
|
|
|
|
|
uint32_t test_id = 1;
|
|
|
|
|
ZERO_OBJECT(my_test);
|
|
|
|
|
my_test.temp_rnti = 100;
|
|
|
|
|
my_test.assume_prach_transmitted = -1;
|
|
|
|
|
|
|
|
|
|
// Test 1: No RAR is received.
|
|
|
|
|
// According to end of 5.1.5, UE sends up to preamb_trans_max upon which indicates RA problem to higher layers
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
my_test.rach_cfg = rach_cfg;
|
|
|
|
|
my_test.nof_prachs = rach_cfg.ra_supervision_info.preamb_trans_max.to_number();
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
|
|
|
|
|
// Make sure it triggers RRC signal
|
|
|
|
|
mac.run_tti(tti++);
|
|
|
|
|
TESTASSERT(rrc.rach_problem == 1);
|
|
|
|
|
|
|
|
|
|
// Reset MAC
|
|
|
|
|
mac.reset();
|
|
|
|
|
phy.reset();
|
|
|
|
|
mac.set_contention_id(contention_id);
|
|
|
|
|
|
|
|
|
|
// Test 2: RAR received but no matching RAPID
|
|
|
|
|
// The UE receives a RAR without a matching RAPID on every RAR response window TTI.
|
|
|
|
|
// According to 5.1.5, the RA procedure is considered non successful and tries again
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
my_test.rar_nof_rapid = 1;
|
|
|
|
|
my_test.nof_prachs = 1;
|
|
|
|
|
my_test.rar_nof_invalid_rapid = rach_cfg.ra_supervision_info.ra_resp_win_size.to_number();
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
|
|
|
|
|
// Test 3: RAR received but no matching RAPID. Test Msg3 retransmissions
|
|
|
|
|
// On each HARQ retx, contention resolution timer must be restarted (5.1.5)
|
|
|
|
|
// When max-HARQ-msg3-retx, contention not successful
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
my_test.rar_nof_invalid_rapid = 0;
|
|
|
|
|
my_test.nof_msg3_retx = rach_cfg.max_harq_msg3_tx;
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
|
|
|
|
|
// Test 4: RAR with valid RAPID. Msg3 transmitted, Msg4 received but invalid ConRes
|
|
|
|
|
// Contention resolution is defined in 5.1.5. If ConResID does not match, the ConRes is considered
|
|
|
|
|
// not successful and tries again
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
phy.reset();
|
|
|
|
|
my_test.nof_msg3_retx = 0;
|
|
|
|
|
my_test.msg4_enable = true;
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
|
|
|
|
|
// Test 5: Msg4 received and valid ConRes. In this case a valid ConResID is received and RA procedure is successful
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
|
|
|
|
|
my_test.msg4_valid_conres = true;
|
|
|
|
|
my_test.check_ra_successful = true;
|
|
|
|
|
my_test.assume_prach_transmitted = 0;
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
|
|
|
|
|
// Test 6: RA with existing C-RNTI (Sends C-RNTI MAC CE)
|
|
|
|
|
// The transmission of C-RNTI MAC CE is only done if no CCCH is present (5.1.4).
|
|
|
|
|
// To trigger a new RA we have to either generate more data for DRB or wait until BSR-reTX is triggered
|
|
|
|
|
rlc.write_sdu(3, 100);
|
|
|
|
|
phy.set_crnti(0);
|
|
|
|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
my_test.crnti = my_test.temp_rnti;
|
|
|
|
|
my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
|
|
|
|
|
my_test.assume_prach_transmitted = -1;
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my_test.send_valid_ul_grant = true;
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TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
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// Test 7: Test Contention based Random Access. This is used eg in HO where preamble is chosen by UE.
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// It is similar to Test 5 because C-RNTI is available to the UE when start the RA but
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// In this case we will let the procedure expire the Contention Resolution window and make sure
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// and RRC HO fail signal is sent to RRC.
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mac_log.info("\n=========== Test %d =============\n", test_id++);
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phy.set_prach_tti(tti + phy.prach_delay);
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phy.set_crnti(0);
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mac.start_cont_ho();
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mac.run_tti(tti++);
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rrc.ho_finish = false;
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my_test.nof_prachs = rach_cfg.ra_supervision_info.preamb_trans_max.to_number();
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my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
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my_test.msg4_valid_conres = false;
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my_test.assume_prach_transmitted = 0;
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my_test.check_ra_successful = false;
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my_test.send_valid_ul_grant = false;
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TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
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TESTASSERT(!rrc.ho_finish_successful && rrc.ho_finish);
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// Test 8: Test Contention based Random Access. Same as above but we let the procedure finish successfully.
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mac_log.info("\n=========== Test %d =============\n", test_id++);
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phy.set_prach_tti(tti + phy.prach_delay);
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phy.set_crnti(0);
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mac.start_cont_ho();
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mac.run_tti(tti++);
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rrc.ho_finish = false;
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my_test.nof_prachs = 1;
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my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
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my_test.send_valid_ul_grant = true;
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TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
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TESTASSERT(rrc.ho_finish_successful && rrc.ho_finish);
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// Test 9: Test non-Contention based HO. Used in HO but preamble is given by the network. In addition to checking
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// that the given preamble is correctly passed to the PHY, in this case there is no contention.
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// In this first test, no RAR is received and RA procedure fails
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mac_log.info("\n=========== Test %d =============\n", test_id++);
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phy.set_prach_tti(tti + phy.prach_delay);
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mac.run_tti(tti++);
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phy.set_crnti(0);
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rrc.ho_finish = false;
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my_test.preamble_idx = 3;
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mac.start_noncont_ho(my_test.preamble_idx, 0);
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|
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my_test.nof_prachs = rach_cfg.ra_supervision_info.preamb_trans_max.to_number();
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|
my_test.rar_nof_invalid_rapid = rach_cfg.ra_supervision_info.ra_resp_win_size.to_number();
|
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|
my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
|
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|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
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|
|
mac.run_tti(tti++);
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|
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|
|
TESTASSERT(!rrc.ho_finish_successful && rrc.ho_finish);
|
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|
|
TESTASSERT(memcmp(ul_action.tb.payload, tv, sizeof(tv)) == 0);
|
|
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|
|
}
|
|
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|
|
// Test 10: Test non-Contention based HO. Used in HO but preamble is given by the network. We check that
|
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|
|
// the procedure is considered successful without waiting for contention
|
|
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|
|
mac_log.info("\n=========== Test %d =============\n", test_id++);
|
|
|
|
|
phy.set_prach_tti(tti + phy.prach_delay);
|
|
|
|
|
mac.run_tti(tti++);
|
|
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|
|
phy.set_crnti(0);
|
|
|
|
|
rrc.ho_finish = false;
|
|
|
|
|
my_test.preamble_idx = 3;
|
|
|
|
|
mac.start_noncont_ho(my_test.preamble_idx, 0);
|
|
|
|
|
my_test.nof_prachs = 1;
|
|
|
|
|
my_test.rar_nof_invalid_rapid = 0;
|
|
|
|
|
my_test.check_ra_successful = true;
|
|
|
|
|
my_test.temp_rnti++; // Temporal C-RNTI has to change to avoid duplicate
|
|
|
|
|
TESTASSERT(!run_mac_ra_test(my_test, &mac, &phy, &tti));
|
|
|
|
|
mac.run_tti(tti++);
|
|
|
|
|
TESTASSERT(rrc.ho_finish_successful && rrc.ho_finish);
|
|
|
|
|
|
|
|
|
|
// make sure MAC PDU thread picks up before stopping
|
|
|
|
|
sleep(1);
|
|
|
|
|
mac.run_tti(0);
|
|
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|
|
mac.stop();
|
|
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|
|
return SRSLTE_SUCCESS;
|
|
|
|
|
@ -1010,7 +1498,7 @@ int main(int argc, char** argv)
|
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|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (mac_ul_sch_pdu_msg3_test()) {
|
|
|
|
|
if (mac_random_access_test()) {
|
|
|
|
|
printf("mac_ul_sch_pdu_msg3_test() test failed.\n");
|
|
|
|
|
return -1;
|
|
|
|
|
}
|
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Ismael Gomez
6 years ago
committed by
Andre Puschmann