mirror of https://github.com/PentHertz/srsLTE.git
allowing TA CE commands in Msg4
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bca5d1a95a
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2db90c5dd3
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@ -444,16 +444,13 @@ int sched_ue::generate_format1(dl_harq_proc* h,
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data->nof_pdu_elems[0]++;
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conres_ce_pending = false;
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Info("SCHED: Added MAC Contention Resolution CE for rnti=0x%x\n", rnti);
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} else {
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// Add TA CE
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// TODO: Can't put it in Msg4 because current srsUE doesn't read it
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while (nof_ta_cmd > 0 && rem_tbs > 2) {
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data->pdu[0][data->nof_pdu_elems[0]].lcid = srslte::sch_subh::TA_CMD;
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data->nof_pdu_elems[0]++;
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Info("SCHED: Added MAC TA CMD CE for rnti=0x%x\n", rnti);
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nof_ta_cmd--;
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rem_tbs -= 2;
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}
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}
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while (nof_ta_cmd > 0 && rem_tbs > 2) {
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data->pdu[0][data->nof_pdu_elems[0]].lcid = srslte::sch_subh::TA_CMD;
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data->nof_pdu_elems[0]++;
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Info("SCHED: Added MAC TA CMD CE for rnti=0x%x\n", rnti);
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nof_ta_cmd--;
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rem_tbs -= 2;
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}
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do {
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@ -805,7 +802,7 @@ uint32_t sched_ue::get_pending_dl_new_data_unlocked()
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pending_data += lch[i].buf_retx + lch[i].buf_tx;
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}
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}
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if (not is_first_dl_tx() and nof_ta_cmd > 0) {
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if (nof_ta_cmd > 0) {
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pending_data += nof_ta_cmd * 2;
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}
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return pending_data;
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@ -97,12 +97,20 @@ void demux::push_pdu_temp_crnti(uint8_t* buff, uint32_t nof_bytes)
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pending_mac_msg.init_rx(nof_bytes);
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pending_mac_msg.parse_packet(buff);
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// Look for Contention Resolution UE ID
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// Look for Contention Resolution UE ID and TA commands
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is_uecrid_successful = false;
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while (pending_mac_msg.next() && !is_uecrid_successful) {
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while (pending_mac_msg.next()) {
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if (pending_mac_msg.get()->ce_type() == srslte::sch_subh::CON_RES_ID) {
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Debug("Found Contention Resolution ID CE\n");
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is_uecrid_successful = mac->contention_resolution_id_rcv(pending_mac_msg.get()->get_con_res_id());
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} else if (pending_mac_msg.get()->ce_type() == srslte::sch_subh::TA_CMD) {
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phy_h->set_timeadv(pending_mac_msg.get()->get_ta_cmd());
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Info("Received TA=%d (%d/%d) \n", pending_mac_msg.get()->get_ta_cmd(),
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time_alignment_timer->value(), time_alignment_timer->duration());
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// Start or restart timeAlignmentTimer only if set
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if (time_alignment_timer->is_set()) {
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time_alignment_timer->run();
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}
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}
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}
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pending_mac_msg.reset();
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