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Fix handle_nr_ul_harq() for CFRA in SA

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This commit is contained in:
Roberto Louro Magueta
2023-03-28 18:52:48 +01:00
parent 81d44c6422
commit 670fcc0459
1 changed files with 40 additions and 17 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+40 -17
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@@ -478,14 +478,29 @@ void abort_nr_ul_harq(NR_UE_info_t *UE, int8_t harq_pid)
sched_ctrl->sched_ul_bytes = 0;
}
bool get_UE_waiting_CFRA_msg3(const gNB_MAC_INST *gNB_mac, const int CC_id, const frame_t frame, const sub_frame_t slot)
{
bool UE_waiting_CFRA_msg3 = false;
for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
const NR_RA_t *ra = &gNB_mac->common_channels[CC_id].ra[i];
if (ra->cfra == true && ra->state == WAIT_Msg3 && frame == ra->Msg3_frame && slot == ra->Msg3_slot) {
UE_waiting_CFRA_msg3 = true;
break;
}
}
return UE_waiting_CFRA_msg3;
}
void handle_nr_ul_harq(const int CC_idP,
module_id_t mod_id,
frame_t frame,
sub_frame_t slot,
const nfapi_nr_crc_t *crc_pdu)
{
NR_UE_info_t* UE = find_nr_UE(&RC.nrmac[mod_id]->UE_info, crc_pdu->rnti);
if (!UE) {
NR_UE_info_t *UE = find_nr_UE(&RC.nrmac[mod_id]->UE_info, crc_pdu->rnti);
bool UE_waiting_CFRA_msg3 = get_UE_waiting_CFRA_msg3(RC.nrmac[mod_id], CC_idP, frame, slot);
if (!UE || UE_waiting_CFRA_msg3 == true) {
LOG_W(NR_MAC, "handle harq for rnti %04x, in RA process\n", crc_pdu->rnti);
for (int i = 0; i < NR_NB_RA_PROC_MAX; ++i) {
NR_RA_t *ra = &RC.nrmac[mod_id]->common_channels[CC_idP].ra[i];
@@ -568,9 +583,12 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
LOG_D(NR_MAC, "rx_sdu for rnti %04x\n", current_rnti);
const int target_snrx10 = gNB_mac->pusch_target_snrx10;
const int pusch_failure_thres = gNB_mac->pusch_failure_thres;
NR_UE_info_t* UE = find_nr_UE(&gNB_mac->UE_info, current_rnti);
if (UE) {
NR_UE_info_t *UE = find_nr_UE(&gNB_mac->UE_info, current_rnti);
bool UE_waiting_CFRA_msg3 = get_UE_waiting_CFRA_msg3(gNB_mac, CC_idP, frameP, slotP);
if (UE && UE_waiting_CFRA_msg3 == false) {
NR_UE_sched_ctrl_t *UE_scheduling_control = &UE->UE_sched_ctrl;
const int8_t harq_pid = UE_scheduling_control->feedback_ul_harq.head;
@@ -700,18 +718,19 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
continue;
}
NR_UE_info_t *UE = add_new_nr_ue(gNB_mac, ra->rnti, ra->CellGroup);
if (!UE) {
LOG_W(NR_MAC, "Random Access %i discarded at state %i (TC_RNTI %04x RNTI %04x): max number of users achieved!\n", i, ra->state,ra->rnti,current_rnti);
NR_UE_info_t *UE_msg3_stage = UE ? UE : add_new_nr_ue(gNB_mac, ra->rnti, ra->CellGroup);
if (!UE_msg3_stage) {
LOG_W(NR_MAC, "Random Access %i discarded at state %i (TC_RNTI %04x RNTI %04x): max number of users achieved!\n", i, ra->state, ra->rnti, current_rnti);
nr_mac_remove_ra_rnti(gnb_mod_idP, ra->rnti);
nr_clear_ra_proc(gnb_mod_idP, CC_idP, frameP, ra);
return;
}
UE->UE_beam_index = ra->beam_id;
UE_msg3_stage->UE_beam_index = ra->beam_id;
// re-initialize ta update variables after RA procedure completion
UE->UE_sched_ctrl.ta_frame = frameP;
UE_msg3_stage->UE_sched_ctrl.ta_frame = frameP;
LOG_D(NR_MAC,
"reset RA state information for RA-RNTI 0x%04x/index %d\n",
@@ -725,18 +744,22 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
current_rnti,
ra->rnti);
NR_UE_sched_ctrl_t *UE_scheduling_control = &UE->UE_sched_ctrl;
NR_UE_sched_ctrl_t *UE_scheduling_control = &UE_msg3_stage->UE_sched_ctrl;
UE_scheduling_control->tpc0 = nr_get_tpc(target_snrx10,ul_cqi,30);
UE_scheduling_control->tpc0 = nr_get_tpc(target_snrx10, ul_cqi, 30);
if (timing_advance != 0xffff)
UE_scheduling_control->ta_update = timing_advance;
UE_scheduling_control->raw_rssi = rssi;
UE_scheduling_control->pusch_snrx10 = ul_cqi * 5 - 640;
LOG_D(NR_MAC, "[UE %04x] PUSCH TPC %d and TA %d\n",UE->rnti,UE_scheduling_control->tpc0,UE_scheduling_control->ta_update);
if(ra->cfra) {
LOG_D(NR_MAC, "[UE %04x] PUSCH TPC %d and TA %d\n", UE_msg3_stage->rnti, UE_scheduling_control->tpc0, UE_scheduling_control->ta_update);
if (ra->cfra) {
LOG_A(NR_MAC, "(rnti 0x%04x) CFRA procedure succeeded!\n", ra->rnti);
UE->ra_timer = 0;
nr_mac_gNB_rrc_ul_failure_reset(gnb_mod_idP, frameP, slotP, ra->rnti);
reset_dl_harq_list(UE_scheduling_control);
reset_ul_harq_list(UE_scheduling_control);
UE_scheduling_control->pusch_consecutive_dtx_cnt = 0;
UE_scheduling_control->ul_failure = 0;
UE_msg3_stage->ra_timer = 0;
nr_mac_remove_ra_rnti(gnb_mod_idP, ra->rnti);
nr_clear_ra_proc(gnb_mod_idP, CC_idP, frameP, ra);
process_CellGroup(ra->CellGroup, UE_scheduling_control);
@@ -755,7 +778,7 @@ void nr_rx_sdu(const module_id_t gnb_mod_idP,
memcpy(ra->cont_res_id, &sduP[1], sizeof(uint8_t) * 6);
// harq_pid set a non valid value because it is not used in this call
// the function is only called to decode the contention resolution sub-header
if (nr_process_mac_pdu(gnb_mod_idP, UE, CC_idP, frameP, slotP, sduP, sdu_lenP, -1) == 0) {
if (nr_process_mac_pdu(gnb_mod_idP, UE_msg3_stage, CC_idP, frameP, slotP, sduP, sdu_lenP, -1) == 0) {
if (ra->state == Msg3_dcch_dtch) {
// Check if the UE identified by C-RNTI still exists at the gNB