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@ -126,6 +126,7 @@ void mac::reset()
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void mac::start_pcap(srsran::mac_pcap* pcap_)
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{
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srsran::rwlock_read_guard lock(rwlock);
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pcap = pcap_;
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// Set pcap in all UEs for UL messages
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for (auto& u : ue_db) {
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@ -135,6 +136,7 @@ void mac::start_pcap(srsran::mac_pcap* pcap_)
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void mac::start_pcap_net(srsran::mac_pcap_net* pcap_net_)
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{
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srsran::rwlock_read_guard lock(rwlock);
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pcap_net = pcap_net_;
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// Set pcap in all UEs for UL messages
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for (auto& u : ue_db) {
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@ -292,6 +294,7 @@ void mac::toggle_padding()
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void mac::add_padding()
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{
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srsran::rwlock_read_guard lock(rwlock);
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for (auto it = ue_db.begin(); it != ue_db.end(); ++it) {
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uint16_t cur_rnti = it->first;
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auto ue = it;
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@ -817,6 +820,7 @@ void mac::build_mch_sched(uint32_t tbs)
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int mac::get_mch_sched(uint32_t tti, bool is_mcch, dl_sched_list_t& dl_sched_res_list)
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{
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srsran::rwlock_read_guard lock(rwlock);
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dl_sched_t* dl_sched_res = &dl_sched_res_list[0];
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logger.set_context(tti);
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srsran_ra_tb_t mcs = {};
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@ -930,6 +934,8 @@ int mac::get_ul_sched(uint32_t tti_tx_ul, ul_sched_list_t& ul_sched_res_list)
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logger.set_context(TTI_SUB(tti_tx_ul, FDD_HARQ_DELAY_UL_MS + FDD_HARQ_DELAY_DL_MS));
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srsran::rwlock_read_guard lock(rwlock);
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// Execute UE FSMs (e.g. TA)
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for (auto& ue : ue_db) {
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ue.second->tic();
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@ -945,52 +951,46 @@ int mac::get_ul_sched(uint32_t tti_tx_ul, ul_sched_list_t& ul_sched_res_list)
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return SRSRAN_ERROR;
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}
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{
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srsran::rwlock_read_guard lock(rwlock);
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// Copy DCI grants
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phy_ul_sched_res->nof_grants = 0;
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int n = 0;
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for (uint32_t i = 0; i < sched_result.pusch.size(); i++) {
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if (sched_result.pusch[i].tbs > 0) {
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// Get UE
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uint16_t rnti = sched_result.pusch[i].dci.rnti;
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// Copy DCI grants
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phy_ul_sched_res->nof_grants = 0;
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int n = 0;
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for (uint32_t i = 0; i < sched_result.pusch.size(); i++) {
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if (sched_result.pusch[i].tbs > 0) {
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// Get UE
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uint16_t rnti = sched_result.pusch[i].dci.rnti;
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if (ue_db.contains(rnti)) {
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// Copy grant info
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phy_ul_sched_res->pusch[n].current_tx_nb = sched_result.pusch[i].current_tx_nb;
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phy_ul_sched_res->pusch[n].pid = TTI_RX(tti_tx_ul) % SRSRAN_FDD_NOF_HARQ;
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phy_ul_sched_res->pusch[n].needs_pdcch = sched_result.pusch[i].needs_pdcch;
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phy_ul_sched_res->pusch[n].dci = sched_result.pusch[i].dci;
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phy_ul_sched_res->pusch[n].softbuffer_rx =
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ue_db[rnti]->get_rx_softbuffer(sched_result.pusch[i].dci.ue_cc_idx, tti_tx_ul);
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// If the Rx soft-buffer is not given, abort reception
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if (phy_ul_sched_res->pusch[n].softbuffer_rx == nullptr) {
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continue;
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}
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if (ue_db.contains(rnti)) {
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// Copy grant info
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phy_ul_sched_res->pusch[n].current_tx_nb = sched_result.pusch[i].current_tx_nb;
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phy_ul_sched_res->pusch[n].pid = TTI_RX(tti_tx_ul) % SRSRAN_FDD_NOF_HARQ;
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phy_ul_sched_res->pusch[n].needs_pdcch = sched_result.pusch[i].needs_pdcch;
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phy_ul_sched_res->pusch[n].dci = sched_result.pusch[i].dci;
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phy_ul_sched_res->pusch[n].softbuffer_rx =
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ue_db[rnti]->get_rx_softbuffer(sched_result.pusch[i].dci.ue_cc_idx, tti_tx_ul);
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// If the Rx soft-buffer is not given, abort reception
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if (phy_ul_sched_res->pusch[n].softbuffer_rx == nullptr) {
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continue;
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}
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if (sched_result.pusch[n].current_tx_nb == 0) {
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srsran_softbuffer_rx_reset_tbs(phy_ul_sched_res->pusch[n].softbuffer_rx, sched_result.pusch[i].tbs * 8);
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}
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phy_ul_sched_res->pusch[n].data =
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ue_db[rnti]->request_buffer(tti_tx_ul, sched_result.pusch[i].dci.ue_cc_idx, sched_result.pusch[i].tbs);
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if (phy_ul_sched_res->pusch[n].data) {
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phy_ul_sched_res->nof_grants++;
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} else {
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logger.error("Grant for rnti=0x%x could not be allocated due to lack of buffers", rnti);
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}
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n++;
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if (sched_result.pusch[n].current_tx_nb == 0) {
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srsran_softbuffer_rx_reset_tbs(phy_ul_sched_res->pusch[n].softbuffer_rx, sched_result.pusch[i].tbs * 8);
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}
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phy_ul_sched_res->pusch[n].data =
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ue_db[rnti]->request_buffer(tti_tx_ul, sched_result.pusch[i].dci.ue_cc_idx, sched_result.pusch[i].tbs);
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if (phy_ul_sched_res->pusch[n].data) {
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phy_ul_sched_res->nof_grants++;
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} else {
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logger.warning("Invalid UL scheduling result. User 0x%x does not exist", rnti);
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logger.error("Grant for rnti=0x%x could not be allocated due to lack of buffers", rnti);
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}
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n++;
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} else {
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logger.warning("Grant %d for rnti=0x%x has zero TBS", i, sched_result.pusch[i].dci.rnti);
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logger.warning("Invalid UL scheduling result. User 0x%x does not exist", rnti);
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}
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}
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// No more uses of ue_db beyond here
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} else {
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logger.warning("Grant %d for rnti=0x%x has zero TBS", i, sched_result.pusch[i].dci.rnti);
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}
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}
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// Copy PHICH actions
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@ -1023,6 +1023,7 @@ void mac::write_mcch(const srsran::sib2_mbms_t* sib2_,
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const uint8_t* mcch_payload,
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const uint8_t mcch_payload_length)
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{
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srsran::rwlock_write_guard lock(rwlock);
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mcch = *mcch_;
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mch.num_mtch_sched = this->mcch.pmch_info_list[0].nof_mbms_session_info;
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for (uint32_t i = 0; i < mch.num_mtch_sched; ++i) {
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@ -1038,6 +1039,7 @@ void mac::write_mcch(const srsran::sib2_mbms_t* sib2_,
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rrc_h->add_user(SRSRAN_MRNTI, {});
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}
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// Internal helper function, caller must hold UE DB rwlock
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bool mac::check_ue_exists(uint16_t rnti)
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{
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if (not ue_db.contains(rnti)) {
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