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Use CCE_try_allocate_dlsch()

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This commit is contained in:
Robert Schmidt
2020-04-06 13:56:31 +02:00
parent 6b3b0b0b8b
commit ed6e5ce832
5 changed files with 274 additions and 275 deletions
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openair2/LAYER2/MAC/eNB_scheduler_dlsch.c
+205 -275
View File
@@ -617,43 +617,31 @@ schedule_ue_spec(module_id_t module_idP,
continue;
}
int aggregation = 2;
switch (get_tmode(module_idP,
CC_id,
UE_id)) {
case 1:
case 2:
case 7:
aggregation = get_aggregation(get_bw_index(module_idP,
CC_id),
ue_sched_ctrl->dl_cqi[CC_id],
format1);
break;
case 3:
aggregation = get_aggregation(get_bw_index(module_idP,
CC_id),
ue_sched_ctrl->dl_cqi[CC_id],
format2A);
break;
default:
AssertFatal(1==0,"Unsupported transmission mode %d\n", get_tmode(module_idP, CC_id, UE_id));
aggregation = 2;
break;
int dci_dl_pdu_idx = ue_sched_ctrl->pre_dci_dl_pdu_idx;
if (dci_dl_pdu_idx < 0) {
dci_dl_pdu_idx = CCE_try_allocate_dlsch(
module_idP, CC_id, subframeP, UE_id, ue_sched_ctrl->dl_cqi[CC_id]);
if (dci_dl_pdu_idx < 0) {
LOG_W(MAC, "%d.%d: Dropping Allocation for RNTI 0x%04x/UE %d\n",
frameP,
subframeP,
rnti,
UE_id);
continue;
}
}
if (CCE_allocation_infeasible(module_idP,
CC_id,
1,
subframeP,
aggregation,
rnti)) {
LOG_W(MAC, "%d.%d: Dropping Allocation for RNTI 0x%04x/UE %d\n",
frameP,
subframeP,
rnti,
UE_id);
/* verify it is the right UE */
nfapi_dl_config_request_pdu_t *dci = &dl_req->dl_config_pdu_list[dci_dl_pdu_idx];
nfapi_dl_config_request_pdu_t *dlsch = &dl_req->dl_config_pdu_list[dci_dl_pdu_idx + 1];
if (dci->pdu_type != NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE
|| dci->dci_dl_pdu.dci_dl_pdu_rel8.rnti != rnti
|| dlsch->pdu_type != NFAPI_DL_CONFIG_DLSCH_PDU_TYPE
|| dlsch->dlsch_pdu.dlsch_pdu_rel8.rnti != rnti) {
LOG_E(MAC, "illegal dl_config_pdu_list index %d for UE %d/RNTI %04x\n",
dci_dl_pdu_idx,
UE_id,
rnti);
continue;
}
@@ -691,150 +679,126 @@ schedule_ue_spec(module_id_t module_idP,
const uint32_t rbc = allocate_prbs_sub(
nb_rb, N_RB_DL, N_RBG, ue_sched_ctrl->rballoc_sub_UE[CC_id]);
if (nb_rb <= ue_sched_ctrl->pre_nb_available_rbs[CC_id]) {
/* CDRX */
ue_sched_ctrl->harq_rtt_timer[CC_id][harq_pid] = 1; // restart HARQ RTT timer
if (ue_sched_ctrl->cdrx_configured) {
ue_sched_ctrl->drx_retransmission_timer[harq_pid] = 0; // stop drx retransmission
/*
* Note: contrary to the spec drx_retransmission_timer[harq_pid] is reset not stop.
*/
if (harq_pid == 0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_RETRANSMISSION_HARQ0, (unsigned long) ue_sched_ctrl->drx_retransmission_timer[0]);
}
}
if (cc[CC_id].tdd_Config != NULL) {
ue_template->DAI++;
update_ul_dci(module_idP,
CC_id,
rnti,
ue_template->DAI,
subframeP);
LOG_D(MAC, "DAI update: CC_id %d subframeP %d: UE %d, DAI %d\n",
CC_id,
subframeP,
UE_id,
ue_template->DAI);
}
nfapi_dl_config_request_pdu_t *dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset(dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t));
switch (get_tmode(module_idP, CC_id, UE_id)) {
case 1:
case 2:
case 7:
default:
LOG_D(MAC, "retransmission DL_REQ: rnti:%x\n",
rnti);
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dci_dl_pdu));
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DCI_DL_PDU_REL8_TAG;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level =
get_aggregation(get_bw_index(module_idP,
CC_id),
ue_sched_ctrl->dl_cqi[CC_id],
format1);
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = rnti;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 1; // CRNTI: see Table 4-10 from SCF082 - nFAPI specifications
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = harq_pid;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc = 1; // Don't adjust power when retransmitting
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1 = ue_template->oldNDI[harq_pid];
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1 = ue_template->oldmcs1[harq_pid];
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1 = round_DL & 3;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = rbc;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_allocation_type = 0;
// TDD
if (cc[CC_id].tdd_Config != NULL) {
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.downlink_assignment_index = (ue_template->DAI - 1) & 3;
LOG_D(MAC, "[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
module_idP,
CC_id,
harq_pid,
round_DL,
ue_template->DAI - 1,
ue_template->oldmcs1[harq_pid]);
} else {
LOG_D(MAC, "[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
module_idP,
CC_id,
harq_pid,
round_DL,
ue_template->oldmcs1[harq_pid]);
}
if (!CCE_allocation_infeasible(module_idP,
CC_id,
1,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level,
rnti)) {
dl_req->number_dci++;
dl_req->number_pdu++;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
eNB->DL_req[CC_id].sfn_sf = frameP<<4 | subframeP;
eNB->DL_req[CC_id].header.message_id = NFAPI_DL_CONFIG_REQUEST;
fill_nfapi_dlsch_config(&dl_req->dl_config_pdu_list[dl_req->number_pdu],
TBS,
-1, // retransmission, no pdu_index
rnti,
0, // type 0 allocation from 7.1.6 in 36.213
0, // virtual_resource_block_assignment_flag, unused here
rbc, // resource_block_coding
getQm(ue_template->oldmcs1[harq_pid]),
round_DL & 3, // redundancy version
1, // transport blocks
0, // transport block to codeword swap flag
cc[CC_id].p_eNB == 1 ? 0 : 1, // transmission_scheme
1, // number of layers
1, // number of subbands
// uint8_t codebook_index,
4, // UE category capacity
ue_template->physicalConfigDedicated->pdsch_ConfigDedicated->p_a,
0, // delta_power_offset for TM5
0, // ngap
0, // nprb
cc[CC_id].p_eNB == 1 ? 1 : 2, // transmission mode
0, //number of PRBs treated as one subband, not used here
0); // number of beamforming vectors, not used here
dl_req->number_pdu++;
LOG_D(MAC, "Filled NFAPI configuration for DCI/DLSCH %d, retransmission round %d\n",
eNB->pdu_index[CC_id],
round_DL);
program_dlsch_acknak(module_idP,
CC_id,
UE_id,
frameP,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.cce_idx);
// No TX request for retransmission (check if null request for FAPI)
} else {
LOG_W(MAC, "Frame %d, Subframe %d: Dropping DLSCH allocation for UE %d\%x, infeasible CCE allocation\n",
frameP,
subframeP,
UE_id,
rnti);
}
}
//eNB_UE_stats->dlsch_trials[round]++;
eNB_UE_stats->num_retransmission += 1;
eNB_UE_stats->rbs_used_retx = nb_rb;
eNB_UE_stats->total_rbs_used_retx += nb_rb;
eNB_UE_stats->dlsch_mcs2 = eNB_UE_stats->dlsch_mcs1;
} else {
if (nb_rb > ue_sched_ctrl->pre_nb_available_rbs[CC_id]) {
LOG_D(MAC,
"[eNB %d] Frame %d CC_id %d : don't schedule UE %d, its retransmission takes more resources than we have\n",
module_idP,
frameP,
CC_id,
UE_id);
continue;
}
/* CDRX */
ue_sched_ctrl->harq_rtt_timer[CC_id][harq_pid] = 1; // restart HARQ RTT timer
if (ue_sched_ctrl->cdrx_configured) {
ue_sched_ctrl->drx_retransmission_timer[harq_pid] = 0; // stop drx retransmission
/*
* Note: contrary to the spec drx_retransmission_timer[harq_pid] is reset not stop.
*/
if (harq_pid == 0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_RETRANSMISSION_HARQ0, (unsigned long) ue_sched_ctrl->drx_retransmission_timer[0]);
}
}
if (cc[CC_id].tdd_Config != NULL) {
ue_template->DAI++;
update_ul_dci(module_idP,
CC_id,
rnti,
ue_template->DAI,
subframeP);
LOG_D(MAC, "DAI update: CC_id %d subframeP %d: UE %d, DAI %d\n",
CC_id,
subframeP,
UE_id,
ue_template->DAI);
}
nfapi_dl_config_request_pdu_t *dl_config_pdu = &dl_req->dl_config_pdu_list[dci_dl_pdu_idx];
switch (get_tmode(module_idP, CC_id, UE_id)) {
case 1:
case 2:
case 7:
default:
LOG_D(MAC, "retransmission DL_REQ: rnti:%x\n",
rnti);
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dci_dl_pdu));
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 1; // CRNTI: see Table 4-10 from SCF082 - nFAPI specifications
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = harq_pid;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc = 1; // Don't adjust power when retransmitting
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1 = ue_template->oldNDI[harq_pid];
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1 = ue_template->oldmcs1[harq_pid];
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1 = round_DL & 3;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = rbc;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_allocation_type = 0;
// TDD
if (cc[CC_id].tdd_Config != NULL) {
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.downlink_assignment_index = (ue_template->DAI - 1) & 3;
LOG_D(MAC, "[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, dai %d, mcs %d\n",
module_idP,
CC_id,
harq_pid,
round_DL,
ue_template->DAI - 1,
ue_template->oldmcs1[harq_pid]);
} else {
LOG_D(MAC, "[eNB %d] Retransmission CC_id %d : harq_pid %d, round %d, mcs %d\n",
module_idP,
CC_id,
harq_pid,
round_DL,
ue_template->oldmcs1[harq_pid]);
}
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
eNB->DL_req[CC_id].sfn_sf = frameP<<4 | subframeP;
eNB->DL_req[CC_id].header.message_id = NFAPI_DL_CONFIG_REQUEST;
fill_nfapi_dlsch_config(&dl_req->dl_config_pdu_list[dci_dl_pdu_idx + 1],
TBS,
-1, // retransmission, no pdu_index
rnti,
0, // type 0 allocation from 7.1.6 in 36.213
0, // virtual_resource_block_assignment_flag, unused here
rbc, // resource_block_coding
getQm(ue_template->oldmcs1[harq_pid]),
round_DL & 3, // redundancy version
1, // transport blocks
0, // transport block to codeword swap flag
cc[CC_id].p_eNB == 1 ? 0 : 1, // transmission_scheme
1, // number of layers
1, // number of subbands
// uint8_t codebook_index,
4, // UE category capacity
ue_template->physicalConfigDedicated->pdsch_ConfigDedicated->p_a,
0, // delta_power_offset for TM5
0, // ngap
0, // nprb
cc[CC_id].p_eNB == 1 ? 1 : 2, // transmission mode
0, //number of PRBs treated as one subband, not used here
0); // number of beamforming vectors, not used here
LOG_D(MAC, "Filled NFAPI configuration for DCI/DLSCH %d, retransmission round %d\n",
eNB->pdu_index[CC_id],
round_DL);
program_dlsch_acknak(module_idP,
CC_id,
UE_id,
frameP,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.cce_idx);
// No TX request for retransmission (check if null request for FAPI)
}
//eNB_UE_stats->dlsch_trials[round]++;
eNB_UE_stats->num_retransmission += 1;
eNB_UE_stats->rbs_used_retx = nb_rb;
eNB_UE_stats->total_rbs_used_retx += nb_rb;
eNB_UE_stats->dlsch_mcs2 = eNB_UE_stats->dlsch_mcs1;
} else {
// Now check RLC information to compute number of required RBs
// get maximum TBS size for RLC request
@@ -1115,18 +1079,9 @@ schedule_ue_spec(module_id_t module_idP,
} // Po_PUCCH has been updated
}
nfapi_dl_config_request_pdu_t *dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset(dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
nfapi_dl_config_request_pdu_t *dl_config_pdu = &dl_req->dl_config_pdu_list[dci_dl_pdu_idx];
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dci_dl_pdu));
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level =
get_aggregation(get_bw_index(module_idP,
CC_id),
ue_sched_ctrl->dl_cqi[CC_id],
format1);
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DCI_DL_PDU_REL8_TAG;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = rnti;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 1; // CRNTI : see Table 4-10 from SCF082 - nFAPI specifications
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = harq_pid;
@@ -1159,104 +1114,79 @@ schedule_ue_spec(module_id_t module_idP,
LOG_D(MAC, "Checking feasibility pdu %d (new sdu)\n",
dl_req->number_pdu);
if (!CCE_allocation_infeasible(module_idP,
CC_id,
1,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level,
rnti)) {
ue_sched_ctrl->round[CC_id][harq_pid] = 0;
dl_req->number_dci++;
dl_req->number_pdu++;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
eNB->DL_req[CC_id].sfn_sf = frameP << 4 | subframeP;
eNB->DL_req[CC_id].header.message_id = NFAPI_DL_CONFIG_REQUEST;
/* CDRX */
ue_sched_ctrl->harq_rtt_timer[CC_id][harq_pid] = 1; // restart HARQ RTT timer
ue_sched_ctrl->round[CC_id][harq_pid] = 0;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
eNB->DL_req[CC_id].sfn_sf = frameP << 4 | subframeP;
eNB->DL_req[CC_id].header.message_id = NFAPI_DL_CONFIG_REQUEST;
/* CDRX */
ue_sched_ctrl->harq_rtt_timer[CC_id][harq_pid] = 1; // restart HARQ RTT timer
if (ue_sched_ctrl->cdrx_configured) {
ue_sched_ctrl->drx_inactivity_timer = 1; // restart drx inactivity timer when new transmission
ue_sched_ctrl->drx_retransmission_timer[harq_pid] = 0; // stop drx retransmission
/*
* Note: contrary to the spec drx_retransmission_timer[harq_pid] is reset not stop.
*/
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_INACTIVITY, (unsigned long) ue_sched_ctrl->drx_inactivity_timer);
if (ue_sched_ctrl->cdrx_configured) {
ue_sched_ctrl->drx_inactivity_timer = 1; // restart drx inactivity timer when new transmission
ue_sched_ctrl->drx_retransmission_timer[harq_pid] = 0; // stop drx retransmission
/*
* Note: contrary to the spec drx_retransmission_timer[harq_pid] is reset not stop.
*/
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_INACTIVITY, (unsigned long) ue_sched_ctrl->drx_inactivity_timer);
if (harq_pid == 0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_RETRANSMISSION_HARQ0, (unsigned long) ue_sched_ctrl->drx_retransmission_timer[0]);
}
if (harq_pid == 0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_DRX_RETRANSMISSION_HARQ0, (unsigned long) ue_sched_ctrl->drx_retransmission_timer[0]);
}
// Toggle NDI for next time
LOG_D(MAC, "CC_id %d Frame %d, subframeP %d: Toggling Format1 NDI for UE %d (rnti %x/%d) oldNDI %d\n",
CC_id,
frameP,
subframeP,
UE_id,
rnti,
harq_pid,
ue_template->oldNDI[harq_pid]);
ue_template->oldNDI[harq_pid] = 1 - ue_template->oldNDI[harq_pid];
ue_template->oldmcs1[harq_pid] = mcs;
ue_template->oldmcs2[harq_pid] = 0;
AssertFatal(ue_template->physicalConfigDedicated != NULL, "physicalConfigDedicated is NULL\n");
AssertFatal(ue_template->physicalConfigDedicated->pdsch_ConfigDedicated != NULL,
"physicalConfigDedicated->pdsch_ConfigDedicated is NULL\n");
fill_nfapi_dlsch_config(&dl_req->dl_config_pdu_list[dl_req->number_pdu],
TBS,
eNB->pdu_index[CC_id],
rnti,
0, // type 0 allocation from 7.1.6 in 36.213
0, // virtual_resource_block_assignment_flag, unused here
rbc,// resource_block_coding
getQm(mcs),
0, // redundancy version
1, // transport blocks
0, // transport block to codeword swap flag
cc[CC_id].p_eNB == 1 ? 0 : 1, // transmission_scheme
1, // number of layers
1, // number of subbands
// uint8_t codebook_index,
4, // UE category capacity
ue_template->physicalConfigDedicated->pdsch_ConfigDedicated->p_a,
0, // delta_power_offset for TM5
0, // ngap
0, // nprb
cc[CC_id].p_eNB == 1 ? 1 : 2, // transmission mode
0, //number of PRBs treated as one subband, not used here
0); // number of beamforming vectors, not used here
dl_req->number_pdu++;
eNB->TX_req[CC_id].sfn_sf = fill_nfapi_tx_req(&eNB->TX_req[CC_id].tx_request_body,
(frameP * 10) + subframeP,
TBS,
eNB->pdu_index[CC_id],
dlsch_pdu->payload[0]);
LOG_D(MAC, "Filled NFAPI configuration for DCI/DLSCH/TXREQ %d, new SDU\n",
eNB->pdu_index[CC_id]);
eNB->pdu_index[CC_id]++;
program_dlsch_acknak(module_idP,
CC_id,
UE_id,
frameP,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.cce_idx);
} else {
LOG_W(MAC, "Frame %d, Subframe %d: Dropping DLSCH allocation for UE %d/%x, infeasible CCE allocations\n",
frameP,
subframeP,
UE_id,
rnti);
}
}
}
/* TODO this seems to not be necessary, we already do this above */
if (cc[CC_id].tdd_Config != NULL) { // TDD
set_ul_DAI(module_idP,
UE_id,
CC_id,
frameP,
subframeP);
// Toggle NDI for next time
LOG_D(MAC, "CC_id %d Frame %d, subframeP %d: Toggling Format1 NDI for UE %d (rnti %x/%d) oldNDI %d\n",
CC_id,
frameP,
subframeP,
UE_id,
rnti,
harq_pid,
ue_template->oldNDI[harq_pid]);
ue_template->oldNDI[harq_pid] = 1 - ue_template->oldNDI[harq_pid];
ue_template->oldmcs1[harq_pid] = mcs;
ue_template->oldmcs2[harq_pid] = 0;
AssertFatal(ue_template->physicalConfigDedicated != NULL, "physicalConfigDedicated is NULL\n");
AssertFatal(ue_template->physicalConfigDedicated->pdsch_ConfigDedicated != NULL,
"physicalConfigDedicated->pdsch_ConfigDedicated is NULL\n");
fill_nfapi_dlsch_config(&dl_req->dl_config_pdu_list[dci_dl_pdu_idx + 1],
TBS,
eNB->pdu_index[CC_id],
rnti,
0, // type 0 allocation from 7.1.6 in 36.213
0, // virtual_resource_block_assignment_flag, unused here
rbc,// resource_block_coding
getQm(mcs),
0, // redundancy version
1, // transport blocks
0, // transport block to codeword swap flag
cc[CC_id].p_eNB == 1 ? 0 : 1, // transmission_scheme
1, // number of layers
1, // number of subbands
// uint8_t codebook_index,
4, // UE category capacity
ue_template->physicalConfigDedicated->pdsch_ConfigDedicated->p_a,
0, // delta_power_offset for TM5
0, // ngap
0, // nprb
cc[CC_id].p_eNB == 1 ? 1 : 2, // transmission mode
0, //number of PRBs treated as one subband, not used here
0); // number of beamforming vectors, not used here
eNB->TX_req[CC_id].sfn_sf = fill_nfapi_tx_req(&eNB->TX_req[CC_id].tx_request_body,
(frameP * 10) + subframeP,
TBS,
eNB->pdu_index[CC_id],
dlsch_pdu->payload[0]);
LOG_D(MAC, "Filled NFAPI configuration for DCI/DLSCH/TXREQ %d, new SDU\n",
eNB->pdu_index[CC_id]);
eNB->pdu_index[CC_id]++;
program_dlsch_acknak(module_idP,
CC_id,
UE_id,
frameP,
subframeP,
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.cce_idx);
}
}
} // UE_id loop
stop_meas(&eNB->schedule_dlsch);
openair2/LAYER2/MAC/eNB_scheduler_primitives.c
+61
View File
@@ -3510,6 +3510,67 @@ CCE_allocation_infeasible(int module_idP,
return res;
}
int CCE_try_allocate_dlsch(int module_id,
int CC_id,
int subframe,
int UE_id,
uint8_t dl_cqi) {
const rnti_t rnti = RC.mac[module_id]->UE_info.UE_template[CC_id][UE_id].rnti;
nfapi_dl_config_request_body_t *DL_req = &RC.mac[module_id]->DL_req[CC_id].dl_config_request_body;
if (DL_req->number_pdu >= MAX_NUM_DL_PDU) {
LOG_W(MAC, "Subframe %d: FAPI DL structure is full, skip scheduling UE %d\n", subframe, rnti);
return -1;
}
int aggregation = 2;
const uint8_t tm = get_tmode(module_id, CC_id, UE_id);
switch (tm) {
case 1:
case 2:
case 7:
aggregation = get_aggregation(get_bw_index(module_id, CC_id),
dl_cqi,
format1);
break;
case 3:
aggregation = get_aggregation(get_bw_index(module_id, CC_id),
dl_cqi,
format2A);
break;
default:
AssertFatal(0, "Unsupported transmission mode %d\n", tm);
break;
}
nfapi_dl_config_request_pdu_t *dl_config_pdu = &DL_req->dl_config_pdu_list[DL_req->number_pdu];
memset(dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DCI_DL_PDU_REL8_TAG;
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = rnti;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 1;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level = aggregation;
DL_req->number_pdu++;
LOG_D(MAC, "Subframe %d: Checking CCE feasibility format 1: (%x,%d) \n",
subframe, rnti, aggregation);
if (allocate_CCEs(module_id, CC_id, 0, subframe, 0) < 0) {
DL_req->number_pdu--;
return -1;
}
DL_req->number_dci++;
nfapi_dl_config_request_pdu_t *dl_dlsch_pdu = &DL_req->dl_config_pdu_list[DL_req->number_pdu];
dl_dlsch_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE;
dl_dlsch_pdu->dlsch_pdu.dlsch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL8_TAG;
dl_dlsch_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = rnti;
DL_req->number_pdu++;
return DL_req->number_pdu - 2;
}
//------------------------------------------------------------------------------
void
get_retransmission_timing(LTE_TDD_Config_t *tdd_Config,
openair2/LAYER2/MAC/mac.h
+1
View File
@@ -933,6 +933,7 @@ typedef struct {
uint8_t dl_pow_off[NFAPI_CC_MAX];
uint16_t pre_nb_available_rbs[NFAPI_CC_MAX];
unsigned char rballoc_sub_UE[NFAPI_CC_MAX][N_RBG_MAX];
int pre_dci_dl_pdu_idx;
uint16_t ta_timer;
int16_t ta_update;
uint16_t ul_consecutive_errors;
openair2/LAYER2/MAC/mac_proto.h
+6
View File
@@ -413,6 +413,12 @@ boolean_t CCE_allocation_infeasible(int module_idP,
int common_flag,
int subframe,
int aggregation, int rnti);
/* tries to allocate a CCE. If it succeeds, reserves NFAPI DCI and DLSCH config */
int CCE_try_allocate_dlsch(int module_id,
int CC_id,
int subframe,
int UE_id,
uint8_t dl_cqi);
void set_ue_dai(sub_frame_t subframeP,
int UE_id,
openair2/LAYER2/MAC/pre_processor.c
+1
View File
@@ -293,6 +293,7 @@ dlsch_scheduler_pre_processor(module_id_t Mod_id,
ue_sched_ctrl->pre_nb_available_rbs[CC_id] = 0;
ue_sched_ctrl->dl_pow_off[CC_id] = 2;
memset(ue_sched_ctrl->rballoc_sub_UE[CC_id], 0, sizeof(ue_sched_ctrl->rballoc_sub_UE[CC_id]));
ue_sched_ctrl->pre_dci_dl_pdu_idx = -1;
const rnti_t rnti = UE_RNTI(Mod_id, UE_id);
if (rnti == NOT_A_RNTI) {