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OpenXG UE
Commit 9ed184b9 authored by luis_pereira87's avatar luis_pereira87
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Apply patch for gNB ulsch retransmission scheduler

parent 8f169e00
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Showing with 15 additions and 14 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
View file @ 9ed184b9
...@@ -144,7 +144,7 @@ void calculate_preferred_ul_tda(module_id_t module_id, const NR_BWP_Uplink_t *ub ...@@ -144,7 +144,7 @@ void calculate_preferred_ul_tda(module_id_t module_id, const NR_BWP_Uplink_t *ub
if ((symb_pucch & symb_tda_mi) == 0 && (symb_ulMixed & symb_tda_mi) == symb_tda_mi) { if ((symb_pucch & symb_tda_mi) == 0 && (symb_ulMixed & symb_tda_mi) == symb_tda_mi) {
tdaMi = 1; tdaMi = 1;
} else { } else {
LOG_E(MAC, LOG_E(NR_MAC,
"TDA index 1 UL overlaps with PUCCH or is not entirely in mixed slot (symb_pucch %x symb_ulMixed %x symb_tda_mi %x), won't schedule UL mixed slot\n", "TDA index 1 UL overlaps with PUCCH or is not entirely in mixed slot (symb_pucch %x symb_ulMixed %x symb_tda_mi %x), won't schedule UL mixed slot\n",
symb_pucch, symb_pucch,
symb_ulMixed, symb_ulMixed,
...@@ -168,7 +168,7 @@ void calculate_preferred_ul_tda(module_id_t module_id, const NR_BWP_Uplink_t *ub ...@@ -168,7 +168,7 @@ void calculate_preferred_ul_tda(module_id_t module_id, const NR_BWP_Uplink_t *ub
} }
if (k2 < tdd->nrofUplinkSlots) if (k2 < tdd->nrofUplinkSlots)
LOG_W(MAC, LOG_W(NR_MAC,
"k2 %d < tdd->nrofUplinkSlots %ld: not all UL slots can be scheduled\n", "k2 %d < tdd->nrofUplinkSlots %ld: not all UL slots can be scheduled\n",
k2, k2,
tdd->nrofUplinkSlots); tdd->nrofUplinkSlots);
...@@ -331,7 +331,7 @@ void nr_process_mac_pdu(module_id_t module_idP, ...@@ -331,7 +331,7 @@ void nr_process_mac_pdu(module_id_t module_idP,
sched_ctrl->ph = PH - 32 + (PH - 54); sched_ctrl->ph = PH - 32 + (PH - 54);
/* 38.133 Table10.1.18.1-1 */ /* 38.133 Table10.1.18.1-1 */
sched_ctrl->pcmax = PCMAX - 29; sched_ctrl->pcmax = PCMAX - 29;
LOG_D(MAC, "SINGLE ENTRY PHR R1 %d PH %d (%d dB) R2 %d PCMAX %d (%d dBm)\n", LOG_D(NR_MAC, "SINGLE ENTRY PHR R1 %d PH %d (%d dB) R2 %d PCMAX %d (%d dBm)\n",
phr->R1, PH, sched_ctrl->ph, phr->R2, PCMAX, sched_ctrl->pcmax); phr->R1, PH, sched_ctrl->ph, phr->R2, PCMAX, sched_ctrl->pcmax);
break; break;
...@@ -817,7 +817,7 @@ bool nr_UE_is_to_be_scheduled(module_id_t mod_id, int CC_id, int UE_id, frame_t ...@@ -817,7 +817,7 @@ bool nr_UE_is_to_be_scheduled(module_id_t mod_id, int CC_id, int UE_id, frame_t
* (3) or we did not schedule it in more than 10 frames */ * (3) or we did not schedule it in more than 10 frames */
const bool has_data = sched_ctrl->estimated_ul_buffer > sched_ctrl->sched_ul_bytes; const bool has_data = sched_ctrl->estimated_ul_buffer > sched_ctrl->sched_ul_bytes;
const bool high_inactivity = diff >= nrmac->ulsch_max_slots_inactivity; const bool high_inactivity = diff >= nrmac->ulsch_max_slots_inactivity;
LOG_D(MAC, LOG_D(NR_MAC,
"%4d.%2d UL inactivity %d slots has_data %d SR %d\n", "%4d.%2d UL inactivity %d slots has_data %d SR %d\n",
frame, frame,
slot, slot,
...@@ -854,12 +854,13 @@ bool allocate_ul_retransmission(module_id_t module_id, ...@@ -854,12 +854,13 @@ bool allocate_ul_retransmission(module_id_t module_id,
const uint8_t num_dmrs_cdm_grps_no_data = sched_ctrl->active_bwp ? 1 : 2; const uint8_t num_dmrs_cdm_grps_no_data = sched_ctrl->active_bwp ? 1 : 2;
const int tda = sched_ctrl->active_ubwp ? RC.nrmac[module_id]->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0; const int tda = sched_ctrl->active_ubwp ? RC.nrmac[module_id]->preferred_ul_tda[sched_ctrl->active_ubwp->bwp_Id][slot] : 0;
LOG_D(NR_MAC,"retInfo->time_domain_allocation = %d, tda = %d\n", retInfo->time_domain_allocation, tda);
if (tda == retInfo->time_domain_allocation) { if (tda == retInfo->time_domain_allocation) {
/* Check the resource is enough for retransmission */ /* Check the resource is enough for retransmission */
while (rbStart < bwpSize && !rballoc_mask[rbStart]) while (rbStart < bwpSize && !rballoc_mask[rbStart])
rbStart++; rbStart++;
if (rbStart + retInfo->rbSize >= bwpSize) { if (rbStart + retInfo->rbSize > bwpSize) {
LOG_D(MAC, "cannot allocate retransmission of UE %d/RNTI %04x: no resources\n", UE_id, UE_info->rnti[UE_id]); LOG_W(NR_MAC, "cannot allocate retransmission of UE %d/RNTI %04x: no resources (rbStart %d, retInfo->rbSize %d, bwpSize %d\n", UE_id, UE_info->rnti[UE_id], rbStart, retInfo->rbSize, bwpSize);
return false; return false;
} }
/* check whether we need to switch the TDA allocation since tha last /* check whether we need to switch the TDA allocation since tha last
...@@ -871,7 +872,7 @@ bool allocate_ul_retransmission(module_id_t module_id, ...@@ -871,7 +872,7 @@ bool allocate_ul_retransmission(module_id_t module_id,
|| ps->dci_format != dci_format || ps->dci_format != dci_format
|| ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data) || ps->num_dmrs_cdm_grps_no_data != num_dmrs_cdm_grps_no_data)
nr_set_pusch_semi_static(scc, sched_ctrl->active_ubwp, dci_format, tda, num_dmrs_cdm_grps_no_data, ps); nr_set_pusch_semi_static(scc, sched_ctrl->active_ubwp, dci_format, tda, num_dmrs_cdm_grps_no_data, ps);
LOG_D(MAC, "%s(): retransmission keeping TDA %d and TBS %d\n", __func__, tda, retInfo->tb_size); LOG_D(NR_MAC, "%s(): retransmission keeping TDA %d and TBS %d\n", __func__, tda, retInfo->tb_size);
} else { } else {
/* the retransmission will use a different time domain allocation, check /* the retransmission will use a different time domain allocation, check
* that we have enough resources */ * that we have enough resources */
...@@ -895,10 +896,10 @@ bool allocate_ul_retransmission(module_id_t module_id, ...@@ -895,10 +896,10 @@ bool allocate_ul_retransmission(module_id_t module_id,
&new_tbs, &new_tbs,
&new_rbSize); &new_rbSize);
if (!success || new_tbs != retInfo->tb_size) { if (!success || new_tbs != retInfo->tb_size) {
LOG_D(MAC, "%s(): new TBsize %d of new TDA does not match old TBS %d\n", __func__, new_tbs, retInfo->tb_size); LOG_D(NR_MAC, "%s(): new TBsize %d of new TDA does not match old TBS %d\n", __func__, new_tbs, retInfo->tb_size);
return false; /* the maximum TBsize we might have is smaller than what we need */ return false; /* the maximum TBsize we might have is smaller than what we need */
} }
LOG_D(MAC, "%s(): retransmission with TDA %d->%d and TBS %d -> %d\n", __func__, retInfo->time_domain_allocation, tda, retInfo->tb_size, new_tbs); LOG_D(NR_MAC, "%s(): retransmission with TDA %d->%d and TBS %d -> %d\n", __func__, retInfo->time_domain_allocation, tda, retInfo->tb_size, new_tbs);
/* we can allocate it. Overwrite the time_domain_allocation, the number /* we can allocate it. Overwrite the time_domain_allocation, the number
* of RBs, and the new TB size. The rest is done below */ * of RBs, and the new TB size. The rest is done below */
retInfo->tb_size = new_tbs; retInfo->tb_size = new_tbs;
...@@ -910,7 +911,7 @@ bool allocate_ul_retransmission(module_id_t module_id, ...@@ -910,7 +911,7 @@ bool allocate_ul_retransmission(module_id_t module_id,
/* Find free CCE */ /* Find free CCE */
bool freeCCE = find_free_CCE(module_id, slot, UE_id); bool freeCCE = find_free_CCE(module_id, slot, UE_id);
if (!freeCCE) { if (!freeCCE) {
LOG_D(MAC, "%4d.%2d no free CCE for retransmission UL DCI UE %04x\n", frame, slot, UE_info->rnti[UE_id]); LOG_D(NR_MAC, "%4d.%2d no free CCE for retransmission UL DCI UE %04x\n", frame, slot, UE_info->rnti[UE_id]);
return false; return false;
} }
...@@ -923,7 +924,7 @@ bool allocate_ul_retransmission(module_id_t module_id, ...@@ -923,7 +924,7 @@ bool allocate_ul_retransmission(module_id_t module_id,
sched_ctrl->sched_pusch = *retInfo; sched_ctrl->sched_pusch = *retInfo;
NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch; NR_sched_pusch_t *sched_pusch = &sched_ctrl->sched_pusch;
LOG_D(MAC, LOG_D(NR_MAC,
"%4d.%2d Allocate UL retransmission UE %d/RNTI %04x sched %4d.%2d (%d RBs)\n", "%4d.%2d Allocate UL retransmission UE %d/RNTI %04x sched %4d.%2d (%d RBs)\n",
frame, frame,
slot, slot,
...@@ -999,7 +1000,7 @@ void pf_ul(module_id_t module_id, ...@@ -999,7 +1000,7 @@ void pf_ul(module_id_t module_id,
bool r = allocate_ul_retransmission( bool r = allocate_ul_retransmission(
module_id, frame, slot, rballoc_mask, &n_rb_sched, UE_id, sched_pusch->ul_harq_pid); module_id, frame, slot, rballoc_mask, &n_rb_sched, UE_id, sched_pusch->ul_harq_pid);
if (!r) { if (!r) {
LOG_D(MAC, "%4d.%2d UL retransmission UE RNTI %04x can NOT be allocated\n", frame, slot, UE_info->rnti[UE_id]); LOG_D(NR_MAC, "%4d.%2d UL retransmission UE RNTI %04x can NOT be allocated\n", frame, slot, UE_info->rnti[UE_id]);
continue; continue;
} }
/* reduce max_num_ue once we are sure UE can be allocated, i.e., has CCE */ /* reduce max_num_ue once we are sure UE can be allocated, i.e., has CCE */
...@@ -1030,7 +1031,7 @@ void pf_ul(module_id_t module_id, ...@@ -1030,7 +1031,7 @@ void pf_ul(module_id_t module_id,
if (max_num_ue < 0) if (max_num_ue < 0)
return; return;
LOG_D(NR_MAC,"Looking for min_rb %d RBs, starting at %d\n", min_rb,rbStart); LOG_D(NR_MAC,"Looking for min_rb %d RBs, starting at %d\n", min_rb, rbStart);
while (rbStart < bwpSize && !rballoc_mask[rbStart]) rbStart++; while (rbStart < bwpSize && !rballoc_mask[rbStart]) rbStart++;
if (rbStart + min_rb >= bwpSize) { if (rbStart + min_rb >= bwpSize) {
LOG_W(NR_MAC, "cannot allocate continuous UL data for UE %d/RNTI %04x: no resources (rbStart %d, min_rb %d, bwpSize %d\n", LOG_W(NR_MAC, "cannot allocate continuous UL data for UE %d/RNTI %04x: no resources (rbStart %d, min_rb %d, bwpSize %d\n",
...@@ -1162,7 +1163,7 @@ void pf_ul(module_id_t module_id, ...@@ -1162,7 +1163,7 @@ void pf_ul(module_id_t module_id,
&rbSize); &rbSize);
sched_pusch->rbSize = rbSize; sched_pusch->rbSize = rbSize;
sched_pusch->tb_size = TBS; sched_pusch->tb_size = TBS;
LOG_D(MAC,"rbSize %d, TBS %d, est buf %d, sched_ul %d, B %d\n", LOG_D(NR_MAC,"rbSize %d, TBS %d, est buf %d, sched_ul %d, B %d\n",
rbSize, sched_pusch->tb_size, sched_ctrl->estimated_ul_buffer, sched_ctrl->sched_ul_bytes, B); rbSize, sched_pusch->tb_size, sched_ctrl->estimated_ul_buffer, sched_ctrl->sched_ul_bytes, B);
/* Mark the corresponding RBs as used */ /* Mark the corresponding RBs as used */
......
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