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pf_dl(): refactor NR_pdsch_sched usage

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As in parent commit.
This commit is contained in:
Robert Schmidt
2025-10-30 19:14:06 +01:00
parent 2daa1dac18
commit d4dc044d2d
1 changed files with 41 additions and 38 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+41 -38
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@@ -759,33 +759,28 @@ static void pf_dl(module_id_t module_id,
continue;
}
NR_sched_pdsch_t *sched_pdsch = &sched_ctrl->sched_pdsch;
sched_pdsch->dl_harq_pid = sched_ctrl->available_dl_harq.head;
/* MCS has been set above */
sched_pdsch->time_domain_allocation = get_dl_tda(mac, slot);
AssertFatal(sched_pdsch->time_domain_allocation>=0,"Unable to find PDSCH time domain allocation in list\n");
int tda = get_dl_tda(mac, slot);
AssertFatal(tda >= 0,"Unable to find PDSCH time domain allocation in list\n");
const int coresetid = sched_ctrl->coreset->controlResourceSetId;
sched_pdsch->tda_info = get_dl_tda_info(dl_bwp,
NR_tda_info_t tda_info = get_dl_tda_info(dl_bwp,
sched_ctrl->search_space->searchSpaceType->present,
sched_pdsch->time_domain_allocation,
tda,
scc->dmrs_TypeA_Position,
1,
TYPE_C_RNTI_,
coresetid,
false);
AssertFatal(sched_pdsch->tda_info.valid_tda, "Invalid TDA from get_dl_tda_info\n");
AssertFatal(tda_info.valid_tda, "Invalid TDA from get_dl_tda_info\n");
NR_tda_info_t *tda_info = &sched_pdsch->tda_info;
const uint16_t slbitmap = SL_to_bitmap(tda_info->startSymbolIndex, tda_info->nrOfSymbols);
const uint16_t slbitmap = SL_to_bitmap(tda_info.startSymbolIndex, tda_info.nrOfSymbols);
uint16_t *rballoc_mask = mac->common_channels[CC_id].vrb_map[beam.idx];
sched_pdsch->bwp_info = get_pdsch_bwp_start_size(mac, iterator->UE);
bwp_info_t bwp_info = get_pdsch_bwp_start_size(mac, iterator->UE);
int rbStart = 0; // WRT BWP start
int rbStop = sched_pdsch->bwp_info.bwpSize - 1;
int bwp_start = sched_pdsch->bwp_info.bwpStart;
int rbStop = bwp_info.bwpSize - 1;
int bwp_start = bwp_info.bwpStart;
// Freq-demain allocation
while (rbStart < rbStop && (rballoc_mask[rbStart + bwp_start] & slbitmap))
rbStart++;
@@ -831,7 +826,7 @@ static void pf_dl(module_id_t module_id,
* allocation after CCE alloc fail would be more complex) */
int alloc = -1;
if (!get_FeedbackDisabled(iterator->UE->sc_info.downlinkHARQ_FeedbackDisabled_r17, sched_pdsch->dl_harq_pid)) {
if (!get_FeedbackDisabled(iterator->UE->sc_info.downlinkHARQ_FeedbackDisabled_r17, sched_ctrl->available_dl_harq.head)) {
int r_pucch = nr_get_pucch_resource(sched_ctrl->coreset, ul_bwp->pucch_Config, CCEIndex);
alloc = nr_acknack_scheduling(mac, iterator->UE, frame, slot, iterator->UE->UE_beam_index, r_pucch, 0);
if (alloc < 0) {
@@ -846,40 +841,48 @@ static void pf_dl(module_id_t module_id,
fill_pdcch_vrb_map(mac, CC_id, &sched_ctrl->sched_pdcch, CCEIndex, sched_ctrl->aggregation_level, beam.idx);
int l = get_dl_nrOfLayers(sched_ctrl, dl_bwp->dci_format);
sched_pdsch->nrOfLayers = l;
sched_pdsch->mcs = iterator->selected_mcs;
sched_pdsch->pm_index = get_pm_index(mac, iterator->UE, dl_bwp->dci_format, l, mac->radio_config.pdsch_AntennaPorts.XP);
sched_pdsch->dmrs_parms = get_dl_dmrs_params(scc, dl_bwp, tda_info, sched_pdsch->nrOfLayers);
sched_pdsch->Qm = nr_get_Qm_dl(sched_pdsch->mcs, dl_bwp->mcsTableIdx);
sched_pdsch->R = nr_get_code_rate_dl(sched_pdsch->mcs, dl_bwp->mcsTableIdx);
sched_pdsch->pucch_allocation = alloc;
uint32_t TBS = 0;
uint16_t rbSize;
NR_sched_pdsch_t sched_pdsch = {
// rbSize below
.rbStart = rbStart,
.mcs = iterator->selected_mcs,
.R = nr_get_code_rate_dl(iterator->selected_mcs, dl_bwp->mcsTableIdx),
.Qm = nr_get_Qm_dl(iterator->selected_mcs, dl_bwp->mcsTableIdx),
// tb_size below
.dl_harq_pid = sched_ctrl->available_dl_harq.head,
.pucch_allocation = alloc,
.pm_index = get_pm_index(mac, iterator->UE, dl_bwp->dci_format, l, mac->radio_config.pdsch_AntennaPorts.XP),
.nrOfLayers = l,
.bwp_info = bwp_info,
.dmrs_parms = get_dl_dmrs_params(scc, dl_bwp, &tda_info, l),
.time_domain_allocation = tda,
.tda_info = tda_info,
};
// Fix me: currently, the RLC does not give us the total number of PDUs
// awaiting. Therefore, for the time being, we put a fixed overhead of 12
// (for 4 PDUs) and optionally + 2 for TA. Once RLC gives the number of
// PDUs, we replace with 3 * numPDUs
const int oh = 3 * 4 + 2 * (frame == (sched_ctrl->ta_frame + 100) % 1024);
//const int oh = 3 * sched_ctrl->dl_pdus_total + 2 * (frame == (sched_ctrl->ta_frame + 100) % 1024);
nr_find_nb_rb(sched_pdsch->Qm,
sched_pdsch->R,
nr_find_nb_rb(sched_pdsch.Qm,
sched_pdsch.R,
1, // no transform precoding for DL
sched_pdsch->nrOfLayers,
tda_info->nrOfSymbols,
sched_pdsch->dmrs_parms.N_PRB_DMRS * sched_pdsch->dmrs_parms.N_DMRS_SLOT,
sched_pdsch.nrOfLayers,
tda_info.nrOfSymbols,
sched_pdsch.dmrs_parms.N_PRB_DMRS * sched_pdsch.dmrs_parms.N_DMRS_SLOT,
sched_ctrl->num_total_bytes + oh,
min_rbSize,
max_rbSize,
&TBS,
&rbSize);
sched_pdsch->rbSize = rbSize;
sched_pdsch->rbStart = rbStart;
sched_pdsch->tb_size = TBS;
/* transmissions: directly allocate */
n_rb_sched[beam.idx] -= sched_pdsch->rbSize;
&sched_pdsch.tb_size,
&sched_pdsch.rbSize);
for (int rb = bwp_start; rb < sched_pdsch->rbSize; rb++)
rballoc_mask[rb + sched_pdsch->rbStart] |= slbitmap;
sched_ctrl->sched_pdsch = sched_pdsch;
/* transmissions: directly allocate */
n_rb_sched[beam.idx] -= sched_pdsch.rbSize;
for (int rb = bwp_start; rb < sched_pdsch.rbSize; rb++)
rballoc_mask[rb + sched_pdsch.rbStart] |= slbitmap;
remainUEs[beam.idx]--;
iterator++;