mirror of https://github.com/PentHertz/srsLTE.git
Moved updating the notify info to it's own function.
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@ -124,10 +124,11 @@ private:
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void set_bsr_callback(bsr_callback_t callback);
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private:
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int build_status_pdu(uint8_t* payload, uint32_t nof_bytes);
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int build_retx_pdu(uint8_t* payload, uint32_t nof_bytes);
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int build_segment(uint8_t* payload, uint32_t nof_bytes, rlc_amd_retx_t retx);
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int build_data_pdu(uint8_t* payload, uint32_t nof_bytes);
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int build_status_pdu(uint8_t* payload, uint32_t nof_bytes);
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int build_retx_pdu(uint8_t* payload, uint32_t nof_bytes);
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int build_segment(uint8_t* payload, uint32_t nof_bytes, rlc_amd_retx_t retx);
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int build_data_pdu(uint8_t* payload, uint32_t nof_bytes);
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void update_notification_ack_info(const rlc_amd_tx_pdu_t& tx_pdu, std::vector<uint32_t>& notify_info_vec);
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void debug_state();
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@ -1050,28 +1050,7 @@ void rlc_am_lte::rlc_am_lte_tx::handle_control_pdu(uint8_t* payload, uint32_t no
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it = tx_window.find(i);
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if (it != tx_window.end()) {
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if (update_vt_a) {
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// Notify PDCP of the number of bytes succesfully delivered
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uint32_t notified_bytes = 0;
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uint32_t nof_bytes = 0;
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uint32_t pdcp_sn = 0;
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for (uint32_t pdcp_notify_it = 0; pdcp_notify_it < it->second.header.N_li; pdcp_notify_it++) {
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nof_bytes = it->second.header.li[pdcp_notify_it];
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pdcp_sn = it->second.pdcp_tx_counts[pdcp_notify_it];
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undelivered_sdu_info_queue[pdcp_sn].acked_bytes += nof_bytes;
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if (undelivered_sdu_info_queue[pdcp_sn].acked_bytes >= undelivered_sdu_info_queue[pdcp_sn].total_bytes) {
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undelivered_sdu_info_queue.erase(pdcp_sn);
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notify_info_vec.push_back(pdcp_sn);
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log->debug("Reporting to PDCP: TX COUNT=%d, nof_bytes=%d\n", pdcp_sn, nof_bytes);
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}
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}
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pdcp_sn = it->second.pdcp_tx_counts[it->second.header.N_li];
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nof_bytes = it->second.buf->N_bytes - notified_bytes; // Notify last SDU
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undelivered_sdu_info_queue[pdcp_sn].acked_bytes += nof_bytes;
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if (undelivered_sdu_info_queue[pdcp_sn].acked_bytes >= undelivered_sdu_info_queue[pdcp_sn].total_bytes) {
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undelivered_sdu_info_queue.erase(pdcp_sn);
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notify_info_vec.push_back(pdcp_sn);
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log->debug("Reporting to PDCP: TX COUNT=%d, nof_bytes=%d\n", pdcp_sn, nof_bytes);
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}
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update_notification_ack_info(it->second, notify_info_vec);
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tx_window.erase(it);
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vt_a = (vt_a + 1) % MOD;
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vt_ms = (vt_ms + 1) % MOD;
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@ -1091,6 +1070,38 @@ void rlc_am_lte::rlc_am_lte_tx::handle_control_pdu(uint8_t* payload, uint32_t no
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pthread_mutex_unlock(&mutex);
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}
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/*
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* Helper function to detect whether a PDU has been fully ack'ed and the PDCP needs to be notified about it
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* @tx_pdu: RLC PDU that was ack'ed.
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* @notify_info_vec: Vector which will keep track of the PDCP PDU SNs that have been fully ack'ed.
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*/
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void rlc_am_lte::rlc_am_lte_tx::update_notification_ack_info(const rlc_amd_tx_pdu_t& tx_pdu,
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std::vector<uint32_t>& notify_info_vec)
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{
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// Notify PDCP of the number of bytes succesfully delivered
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uint32_t notified_bytes = 0;
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uint32_t nof_bytes = 0;
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uint32_t pdcp_sn = 0;
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for (uint32_t pdcp_notify_it = 0; pdcp_notify_it < tx_pdu.header.N_li; pdcp_notify_it++) {
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nof_bytes = tx_pdu.header.li[pdcp_notify_it];
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pdcp_sn = tx_pdu.pdcp_tx_counts[pdcp_notify_it];
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undelivered_sdu_info_queue[pdcp_sn].acked_bytes += nof_bytes;
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if (undelivered_sdu_info_queue[pdcp_sn].acked_bytes >= undelivered_sdu_info_queue[pdcp_sn].total_bytes) {
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undelivered_sdu_info_queue.erase(pdcp_sn);
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notify_info_vec.push_back(pdcp_sn);
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log->debug("Reporting to PDCP: PDCP SN=%d, nof_bytes=%d\n", pdcp_sn, nof_bytes);
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}
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}
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pdcp_sn = tx_pdu.pdcp_tx_counts[tx_pdu.header.N_li];
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nof_bytes = tx_pdu.buf->N_bytes - notified_bytes; // Notify last SDU
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undelivered_sdu_info_queue[pdcp_sn].acked_bytes += nof_bytes;
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if (undelivered_sdu_info_queue[pdcp_sn].acked_bytes >= undelivered_sdu_info_queue[pdcp_sn].total_bytes) {
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undelivered_sdu_info_queue.erase(pdcp_sn);
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notify_info_vec.push_back(pdcp_sn);
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log->debug("Reporting to PDCP: PDCP SN=%d, nof_bytes=%d\n", pdcp_sn, nof_bytes);
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}
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}
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void rlc_am_lte::rlc_am_lte_tx::debug_state()
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{
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log->debug("%s vt_a = %d, vt_ms = %d, vt_s = %d, poll_sn = %d\n", RB_NAME, vt_a, vt_ms, vt_s, poll_sn);
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