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Handle case where all harq are busy

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This commit is contained in:
Sakthivel Velumani
2020-08-06 15:49:44 +02:00
parent 107167d100
commit 566570899c
1 changed files with 5 additions and 2 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+5 -2
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@@ -776,7 +776,7 @@ void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
}
uint8_t select_ul_harq_pid(NR_UE_sched_ctrl_t *sched_ctrl) {
int8_t select_ul_harq_pid(NR_UE_sched_ctrl_t *sched_ctrl) {
uint8_t hrq_id;
uint8_t max_ul_harq_pids = 3; // temp: for testing
@@ -802,6 +802,8 @@ uint8_t select_ul_harq_pid(NR_UE_sched_ctrl_t *sched_ctrl) {
return hrq_id;
}
}
LOG_E(MAC,"All UL HARQ processes are busy. Cannot schedule ULSCH\n");
return -1;
}
void schedule_fapi_ul_pdu(int Mod_idP,
@@ -1006,7 +1008,8 @@ void schedule_fapi_ul_pdu(int Mod_idP,
//Pusch Allocation in frequency domain [TS38.214, sec 6.1.2.2]
//Optional Data only included if indicated in pduBitmap
uint8_t harq_id = select_ul_harq_pid(&UE_list->UE_sched_ctrl[UE_id]);
int8_t harq_id = select_ul_harq_pid(&UE_list->UE_sched_ctrl[UE_id]);
if (harq_id < 0) return;
NR_UE_ul_harq_t *cur_harq = &UE_list->UE_sched_ctrl[UE_id].ul_harq_processes[harq_id];
pusch_pdu->pusch_data.harq_process_id = harq_id;
pusch_pdu->pusch_data.new_data_indicator = cur_harq->ndi;