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@ -44,6 +44,7 @@ ue::ue(uint16_t rnti_,
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pdus(128),
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pdus(128),
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nof_rx_harq_proc(nof_rx_harq_proc_),
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nof_rx_harq_proc(nof_rx_harq_proc_),
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nof_tx_harq_proc(nof_tx_harq_proc_),
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nof_tx_harq_proc(nof_tx_harq_proc_),
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rx_used_buffers(nof_cells_),
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ta_fsm(this)
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ta_fsm(this)
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{
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{
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srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
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srslte::byte_buffer_pool* pool = srslte::byte_buffer_pool::get_instance();
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@ -94,6 +95,15 @@ void ue::reset()
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srslte_softbuffer_tx_reset(&buffer);
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srslte_softbuffer_tx_reset(&buffer);
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}
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}
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}
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}
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for (auto& rx_buffers_cc : rx_used_buffers) {
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for (auto& ptr : rx_buffers_cc) {
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if (ptr) {
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pdus.deallocate(ptr);
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ptr = nullptr;
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}
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}
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}
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}
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}
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/**
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/**
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@ -161,19 +171,19 @@ ue::get_tx_softbuffer(const uint32_t ue_cc_idx, const uint32_t harq_process, con
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return &softbuffer_tx.at(ue_cc_idx).at((harq_process * SRSLTE_MAX_TB + tb_idx) % nof_tx_harq_proc);
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return &softbuffer_tx.at(ue_cc_idx).at((harq_process * SRSLTE_MAX_TB + tb_idx) % nof_tx_harq_proc);
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}
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}
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uint8_t* ue::request_buffer(uint32_t tti, const uint32_t len)
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uint8_t* ue::request_buffer(uint32_t tti, uint32_t cc_idx, const uint32_t len)
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{
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{
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uint8_t* pdu = nullptr;
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uint8_t* pdu = nullptr;
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if (len > 0) {
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if (len > 0) {
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pdu = pdus.request(len);
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pdu = pdus.request(len);
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if (pdu) {
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if (pdu) {
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// Deallocate oldest buffer if we didn't deallocate it
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// Deallocate oldest buffer if we didn't deallocate it
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if (rx_used_buffers[tti] != nullptr) {
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if (rx_used_buffers.at(cc_idx)[tti] != nullptr) {
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pdus.deallocate(rx_used_buffers[tti]);
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pdus.deallocate(rx_used_buffers.at(cc_idx)[tti]);
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rx_used_buffers[tti] = nullptr;
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rx_used_buffers.at(cc_idx)[tti] = nullptr;
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log_h->warning("buffers: RX PDU of rnti=0x%x and pid=%d wasn't deallocated\n", rnti, tti % nof_rx_harq_proc);
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log_h->warning("buffers: RX PDU of rnti=0x%x and pid=%d wasn't deallocated\n", rnti, tti % nof_rx_harq_proc);
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}
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}
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rx_used_buffers[tti] = pdu;
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rx_used_buffers.at(cc_idx)[tti] = pdu;
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log_h->info("RX PDU saved for pid=%d\n", tti % nof_rx_harq_proc);
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log_h->info("RX PDU saved for pid=%d\n", tti % nof_rx_harq_proc);
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} else {
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} else {
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log_h->error("buffers: Requesting buffer from pool\n");
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log_h->error("buffers: Requesting buffer from pool\n");
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@ -306,35 +316,33 @@ void ue::process_pdu(uint8_t* pdu, uint32_t nof_bytes, srslte::pdu_queue::channe
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Debug("MAC PDU processed\n");
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Debug("MAC PDU processed\n");
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}
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}
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void ue::deallocate_pdu(uint32_t tti, const uint8_t* pdu_ptr)
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void ue::deallocate_pdu(uint32_t tti, uint32_t cc_idx)
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{
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{
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if (pdu_ptr) {
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if (rx_used_buffers.at(cc_idx)[tti] != nullptr) {
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if (rx_used_buffers[tti] == pdu_ptr) {
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pdus.deallocate(rx_used_buffers.at(cc_idx)[tti]);
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rx_used_buffers[tti] = nullptr;
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rx_used_buffers.at(cc_idx)[tti] = nullptr;
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} else {
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} else {
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Warning("buffers: Unexpected RX PDU pointer in deallocate_pdu for rnti=0x%x pid=%d\n", rnti, tti % nof_rx_harq_proc);
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Warning("buffers: Null RX PDU pointer in deallocate_pdu for rnti=0x%x pid=%d cc_idx=%d\n",
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}
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rnti,
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pdus.deallocate(pdu_ptr);
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tti % nof_rx_harq_proc,
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} else {
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cc_idx);
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Error("Error deallocating PDU: null ptr\n");
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}
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}
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}
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}
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void ue::push_pdu(uint32_t tti, const uint8_t* pdu_ptr, uint32_t len)
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void ue::push_pdu(uint32_t tti, uint32_t cc_idx, uint32_t len)
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{
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{
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if (pdu_ptr) {
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if (rx_used_buffers.at(cc_idx)[tti] != nullptr) {
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if (rx_used_buffers[tti] == pdu_ptr) {
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rx_used_buffers[tti] = nullptr;
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} else {
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Warning("buffers: Unexpected RX PDU pointer in push_pdu for rnti=0x%x pid=%d\n", rnti, tti % nof_rx_harq_proc);
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}
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if (len > 0) {
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if (len > 0) {
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pdus.push(pdu_ptr, len);
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pdus.push(rx_used_buffers.at(cc_idx)[tti], len);
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} else {
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} else {
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Error("Error pushing PDU: null length\n");
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Error("Error pushing PDU: null length\n");
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}
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}
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rx_used_buffers.at(cc_idx)[tti] = nullptr;
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} else {
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} else {
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Error("Error pushing PDU: null pointer\n");
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Warning("buffers: Null RX PDU pointer in push_pdu for rnti=0x%x pid=%d cc_idx=%d\n",
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rnti,
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tti % nof_rx_harq_proc,
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cc_idx);
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}
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}
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}
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}
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