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Deallocate CCE if PUCCH allocation fails

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This commit is contained in:
Robert Schmidt
2021-02-07 10:39:39 +01:00
parent ac5ac8dd25
commit aa948f707a
2 changed files with 31 additions and 4 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+16 -4
View File
@@ -440,11 +440,23 @@ void nr_simple_dlsch_preprocessor(module_id_t module_id,
}
UE_info->num_pdcch_cand[UE_id][cid]++;
/* Find PUCCH occasion */
/* Find PUCCH occasion: if it fails, undo CCE allocation (undoing PUCCH
* allocation after CCE alloc fail would be more complex) */
const bool alloc = nr_acknack_scheduling(module_id, UE_id, frame, slot);
AssertFatal(alloc,
"could not find uplink slot for PUCCH (RNTI %04x@%d.%d)!\n",
rnti, frame, slot);
if (!alloc) {
LOG_W(MAC,
"%s(): could not find PUCCH for UE %d/%04x@%d.%d\n",
__func__,
UE_id,
rnti,
frame,
slot);
UE_info->num_pdcch_cand[UE_id][cid]--;
int *cce_list = RC.nrmac[module_id]->cce_list[sched_ctrl->active_bwp->bwp_Id][cid];
for (int i = 0; i < sched_ctrl->aggregation_level; i++)
cce_list[sched_ctrl->cce_index + i] = 0;
return;
}
uint16_t *vrb_map = RC.nrmac[module_id]->common_channels[CC_id].vrb_map;
// for now HARQ PID is fixed and should be the same as in post-processor
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_phytest.c
+15
View File
@@ -328,6 +328,21 @@ void nr_preprocessor_phytest(module_id_t module_id,
UE_id);
const bool alloc = nr_acknack_scheduling(module_id, UE_id, frame, slot);
if (!alloc) {
LOG_D(MAC,
"%s(): could not find PUCCH for UE %d/%04x@%d.%d\n",
__func__,
UE_id,
rnti,
frame,
slot);
UE_info->num_pdcch_cand[UE_id][cid]--;
int *cce_list = RC.nrmac[module_id]->cce_list[sched_ctrl->active_bwp->bwp_Id][cid];
for (int i = 0; i < sched_ctrl->aggregation_level; i++)
cce_list[sched_ctrl->cce_index + i] = 0;
return;
}
AssertFatal(alloc,
"could not find uplink slot for PUCCH (RNTI %04x@%d.%d)!\n",
rnti, frame, slot);