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Commit 43f177e7 authored by Robert Schmidt's avatar Robert Schmidt
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Restructure nr_schedule_ue_spec()

parent 3de6b619
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Showing with 72 additions and 62 deletions
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
View file @ 43f177e7
......@@ -418,17 +418,42 @@ void nr_schedule_ue_spec(module_id_t module_id,
sub_frame_t slot,
int num_slots_per_tdd) {
gNB_MAC_INST *gNB_mac = RC.nrmac[module_id];
NR_UE_list_t *UE_list = &gNB_mac->UE_list;
if (UE_list->num_UEs == 0)
return;
const int ta_len = gNB_mac->ta_len;
const int UE_id = 0;
const int CC_id = 0;
const int bwp_id = 1;
nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[gNB_mac->TX_req[CC_id].Number_of_PDUs];
/* Retrieve amount of data to send for this UE */
const int lcid = DL_SCH_LCID_DTCH;
const uint16_t rnti = UE_list->rnti[UE_id];
const mac_rlc_status_resp_t rlc_status = mac_rlc_status_ind(module_id,
rnti,
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
lcid,
0,
0);
LOG_D(MAC,
"%d.%d, DTCH%d->DLSCH, RLC status %d bytes\n",
frame,
slot,
lcid,
rlc_status.bytes_in_buffer);
NR_UE_list_t *UE_list = &gNB_mac->UE_list;
/* PREPROCESSOR */
/* Find PUCCH occasion */
int pucch_sched;
nr_update_pucch_scheduling(module_id, UE_id, frame, slot, num_slots_per_tdd, &pucch_sched);
NR_sched_pucch *pucch = &UE_list->UE_sched_ctrl[UE_id].sched_pucch[pucch_sched];
if (UE_list->num_UEs ==0) return;
/* BWP and following: for MCS calculation, possibly based on CQI and RLC ind */
const int bwp_id = 1;
NR_CellGroupConfig_t *secondaryCellGroup = UE_list->secondaryCellGroup[UE_id];
AssertFatal(secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.count == 1,
"downlinkBWP_ToAddModList has %d BWP!\n",
......@@ -436,20 +461,8 @@ void nr_schedule_ue_spec(module_id_t module_id,
NR_BWP_Downlink_t *bwp = secondaryCellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[bwp_id - 1];
const uint16_t bwpSize = NRRIV2BW(bwp->bwp_Common->genericParameters.locationAndBandwidth,275);
unsigned char sdu_lcids[NB_RB_MAX] = {0};
uint16_t sdu_lengths[NB_RB_MAX] = {0};
const uint16_t rnti = UE_list->rnti[UE_id];
uint8_t mac_sdus[MAX_NR_DLSCH_PAYLOAD_BYTES];
LOG_D(MAC, "Scheduling UE specific search space DCI type 1\n");
int pucch_sched;
nr_update_pucch_scheduling(module_id, UE_id, frame, slot, num_slots_per_tdd, &pucch_sched);
NR_sched_pucch *pucch = &UE_list->UE_sched_ctrl[UE_id].sched_pucch[pucch_sched];
const int nrOfLayers = 1;
const uint8_t mcs = 9;
const int nrOfLayers = 1;
const uint8_t numDmrsCdmGrpsNoData = 1;
const nfapi_nr_dmrs_type_e dmrsConfigType = bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup->dmrs_Type == NULL ? 0 : 1;
......@@ -485,6 +498,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
0 /* tb_scaling */,
nrOfLayers)
>> 3;
AssertFatal(TBS != 0, "TBS is zero but requested %d RBs!\n", rbSize);
LOG_D(MAC,
"TBS %d bytes: N_PRB_DMRS %d N_sh_symb %d N_PRB_oh %d R %d Qm %d table %d",
TBS,
......@@ -495,54 +509,25 @@ void nr_schedule_ue_spec(module_id_t module_id,
Qm,
table_idx);
nr_fill_nfapi_dl_pdu(module_id,
UE_id,
bwp_id,
dl_req,
pucch,
nrOfLayers,
mcs,
rbSize,
0 /* bwpStart */,
numDmrsCdmGrpsNoData,
dmrsConfigType,
table_idx,
R,
Qm,
TBS,
time_domain_assignment,
startSymbolIndex,
nrOfSymbols);
if (TBS == 0)
return;
const int lcid = DL_SCH_LCID_DTCH;
/* POST processing */
/* Get RLC data TODO: remove random data retrieval */
int header_length_total = 0;
int header_length_last = 0;
int sdu_length_total = 0;
int num_sdus = 0;
LOG_D(MAC, "[gNB %d], Frame %d, DTCH%d->DLSCH, Checking RLC status (TBS %d bytes, len %d)\n",
module_id, frame, lcid, TBS, TBS - ta_len - header_length_total - sdu_length_total - 3);
const mac_rlc_status_resp_t rlc_status = mac_rlc_status_ind(module_id,
rnti,
uint16_t sdu_lengths[NB_RB_MAX] = {0};
uint8_t mac_sdus[MAX_NR_DLSCH_PAYLOAD_BYTES];
unsigned char sdu_lcids[NB_RB_MAX] = {0};
if (rlc_status.bytes_in_buffer > 0) {
LOG_D(MAC,
"[gNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting "
"%d bytes from RLC (lcid %d total hdr len %d), TBS: %d \n \n",
module_id,
frame,
slot,
ENB_FLAG_YES,
MBMS_FLAG_NO,
TBS - ta_len - header_length_total - sdu_length_total - 3,
lcid,
0,
0);
if (rlc_status.bytes_in_buffer > 0) {
LOG_I(MAC, "configure fapi due to data availability \n");
LOG_I(MAC, "[gNB %d][USER-PLANE DEFAULT DRB] Frame %d : DTCH->DLSCH, Requesting %d bytes from RLC (lcid %d total hdr len %d), TBS: %d \n \n",
module_id, frame, TBS - ta_len - header_length_total - sdu_length_total - 3,
lcid, header_length_total, TBS);
header_length_total,
TBS);
sdu_lengths[num_sdus] = mac_rlc_data_req(module_id,
rnti,
......@@ -556,7 +541,11 @@ void nr_schedule_ue_spec(module_id_t module_id,
0,
0);
LOG_W(MAC, "[gNB %d][USER-PLANE DEFAULT DRB] Got %d bytes for DTCH %d \n", module_id, sdu_lengths[num_sdus], lcid);
LOG_I(MAC,
"[gNB %d][USER-PLANE DEFAULT DRB] Got %d bytes for DTCH %d \n",
module_id,
sdu_lengths[num_sdus],
lcid);
sdu_lcids[num_sdus] = lcid;
sdu_length_total += sdu_lengths[num_sdus];
......@@ -608,6 +597,27 @@ void nr_schedule_ue_spec(module_id_t module_id,
gNB_mac->UE_list.DLSCH_pdu[0][0].payload[0][offset + j] = 0;
}
nfapi_nr_dl_tti_request_body_t *dl_req = &gNB_mac->DL_req[CC_id].dl_tti_request_body;
nr_fill_nfapi_dl_pdu(module_id,
UE_id,
bwp_id,
dl_req,
pucch,
nrOfLayers,
mcs,
rbSize,
0 /* bwpStart */,
numDmrsCdmGrpsNoData,
dmrsConfigType,
table_idx,
R,
Qm,
TBS,
time_domain_assignment,
startSymbolIndex,
nrOfSymbols);
nfapi_nr_pdu_t *tx_req = &gNB_mac->TX_req[CC_id].pdu_list[gNB_mac->TX_req[CC_id].Number_of_PDUs];
configure_fapi_dl_Tx(module_id,
frame,
slot,
......
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