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Commit cb31468c authored by francescomani's avatar francescomani
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first version of scheduler for sib1

parent 438a6fe0
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Showing with 59 additions and 24 deletions
openair2/LAYER2/NR_MAC_UE/mac_defs.h
View file @ cb31468c
......@@ -311,6 +311,7 @@ typedef struct {
NR_CellGroupConfig_t *scg;
int servCellIndex;
NR_CSI_ReportConfig_t *csirc;
long physCellId;
//// MAC config
NR_DRX_Config_t *drx_Config;
NR_SchedulingRequestConfig_t *schedulingRequestConfig;
......@@ -377,7 +378,7 @@ typedef struct {
NR_Type0_PDCCH_CSS_config_t type0_PDCCH_CSS_config;
NR_SearchSpace_t *search_space_zero;
NR_ControlResourceSet_t *coreset0;
frequency_range_t frequency_range;
uint16_t nr_band;
} NR_UE_MAC_INST_t;
......
openair2/LAYER2/NR_MAC_UE/mac_proto.h
View file @ cb31468c
......@@ -232,6 +232,7 @@ void nr_ue_msg3_scheduler(NR_UE_MAC_INST_t *mac,
uint8_t Msg3_tda_id);
void nr_ue_sib1_scheduler(module_id_t module_idP,
int cc_id,
uint16_t ssb_start_symbol,
uint16_t frame,
uint8_t ssb_subcarrier_offset,
......@@ -305,6 +306,9 @@ int8_t nr_ue_process_dci_freq_dom_resource_assignment(nfapi_nr_ue_pusch_pdu_t *p
uint16_t n_RB_DLBWP,
uint16_t riv);
void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id);
void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15);
void get_num_re_dmrs(nfapi_nr_ue_pusch_pdu_t *pusch_pdu,
uint8_t *nb_dmrs_re_per_rb,
uint16_t *number_dmrs_symbols);
......
openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
View file @ cb31468c
......@@ -68,20 +68,22 @@ void fill_dci_search_candidates(NR_SearchSpace_t *ss,fapi_nr_dl_config_dci_dl_pd
void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15, fapi_nr_dl_config_request_t *dl_config, int rnti_type, int ss_id){
RA_config_t *ra = &mac->ra;
uint16_t monitoringSymbolsWithinSlot = 0;
uint8_t coreset_id = 1;
int sps = 0;
def_dci_pdu_rel15 = calloc(1,2*sizeof(dci_pdu_rel15_t));
AssertFatal(mac->scc != NULL, "scc is null\n");
NR_BWP_Id_t bwp_id = mac->DL_BWP_Id;
NR_ServingCellConfigCommon_t *scc = mac->scc;
NR_BWP_DownlinkCommon_t *bwp_Common = mac->DLbwp[bwp_id - 1]->bwp_Common;
NR_BWP_DownlinkCommon_t *initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
NR_BWP_DownlinkCommon_t *bwp_Common = NULL;
NR_BWP_DownlinkCommon_t *initialDownlinkBWP = NULL;
NR_SearchSpace_t *ss;
NR_ControlResourceSet_t *coreset;
if(ss_id>=0) {
AssertFatal(mac->scc != NULL, "scc is null\n");
initialDownlinkBWP = scc->downlinkConfigCommon->initialDownlinkBWP;
bwp_Common = mac->DLbwp[bwp_id - 1]->bwp_Common;
ss = mac->SSpace[bwp_id - 1][coreset_id - 1][ss_id];
coreset = mac->coreset[bwp_id - 1][coreset_id - 1];
rel15->coreset.CoreSetType = NFAPI_NR_CSET_CONFIG_PDCCH_CONFIG;
......@@ -100,8 +102,7 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
struct NR_ControlResourceSet__cce_REG_MappingType__interleaved *interleaved = coreset->cce_REG_MappingType.choice.interleaved;
rel15->coreset.RegBundleSize = (interleaved->reg_BundleSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__reg_BundleSize_n6) ? 6 : (2 + interleaved->reg_BundleSize);
rel15->coreset.InterleaverSize = (interleaved->interleaverSize == NR_ControlResourceSet__cce_REG_MappingType__interleaved__interleaverSize_n6) ? 6 : (2 + interleaved->interleaverSize);
AssertFatal(scc->physCellId != NULL, "mac->scc->physCellId is null\n");
rel15->coreset.ShiftIndex = interleaved->shiftIndex != NULL ? *interleaved->shiftIndex : *scc->physCellId;
rel15->coreset.ShiftIndex = interleaved->shiftIndex != NULL ? *interleaved->shiftIndex : mac->physCellId;
} else {
rel15->coreset.RegBundleSize = 0;
rel15->coreset.InterleaverSize = 0;
......@@ -115,14 +116,10 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
rel15->coreset.pdcch_dmrs_scrambling_id = *coreset->pdcch_DMRS_ScramblingID;
rel15->coreset.scrambling_rnti = mac->crnti;
} else {
rel15->coreset.pdcch_dmrs_scrambling_id = *scc->physCellId;
rel15->coreset.pdcch_dmrs_scrambling_id = mac->physCellId;
rel15->coreset.scrambling_rnti = 0;
}
#ifdef DEBUG_DCI
LOG_D(MAC, "[DCI_CONFIG] Configure DCI PDU: ss_id %d bwp %p bwp_Id %d controlResourceSetId %d\n", ss_id, mac->DLbwp[bwp_id - 1], mac->DLbwp[bwp_id - 1]->bwp_Id, coreset->controlResourceSetId);
#endif
// loop over RNTI type and configure resource allocation for DCI
switch(rnti_type) {
case NR_RNTI_C:
......@@ -142,7 +139,7 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
// we use the initial DL BWP
sps = initialDownlinkBWP->genericParameters.cyclicPrefix == NULL ? 14 : 12;
monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
rel15->rnti = ra->ra_rnti;
rel15->rnti = mac->ra.ra_rnti;
rel15->BWPSize = NRRIV2BW(initialDownlinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
rel15->BWPStart = NRRIV2PRBOFFSET(bwp_Common->genericParameters.locationAndBandwidth, MAX_BWP_SIZE); //NRRIV2PRBOFFSET(initialDownlinkBWP->genericParameters.locationAndBandwidth, 275);
rel15->SubcarrierSpacing = initialDownlinkBWP->genericParameters.subcarrierSpacing;
......@@ -157,8 +154,8 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
case NR_RNTI_SP_CSI:
break;
case NR_RNTI_SI:
// we use DL BWP dedicated
sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
if (bwp_Common) sps = bwp_Common->genericParameters.cyclicPrefix == NULL ? 14 : 12;
else sps=14; // note: normally this would be found with SSS detection
// for SPS=14 8 MSBs in positions 13 down to 6
monitoringSymbolsWithinSlot = (ss->monitoringSymbolsWithinSlot->buf[0]<<(sps-8)) | (ss->monitoringSymbolsWithinSlot->buf[1]>>(16-sps));
......@@ -166,10 +163,14 @@ void config_dci_pdu(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_dci_dl_pdu_rel15_t
rel15->rnti = SI_RNTI; // SI-RNTI - 3GPP TS 38.321 Table 7.1-1: RNTI values
rel15->BWPSize = mac->type0_PDCCH_CSS_config.num_rbs;
rel15->BWPStart = mac->type0_PDCCH_CSS_config.cset_start_rb;
rel15->SubcarrierSpacing = mac->mib->subCarrierSpacingCommon;
if(mac->frequency_range == FR1)
rel15->SubcarrierSpacing = mac->mib->subCarrierSpacingCommon;
else
rel15->SubcarrierSpacing = mac->mib->subCarrierSpacingCommon + 2;
for (int i = 0; i < rel15->num_dci_options; i++) {
rel15->dci_length_options[i] = nr_dci_size(scc, mac->scg, def_dci_pdu_rel15, rel15->dci_format_options[i], NR_RNTI_SI, rel15->BWPSize, 0);
rel15->dci_length_options[i] = nr_dci_size(NULL, NULL, def_dci_pdu_rel15, rel15->dci_format_options[i], NR_RNTI_SI, rel15->BWPSize, 0);
}
break;
case NR_RNTI_SFI:
......
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
View file @ cb31468c
......@@ -105,7 +105,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
LOG_I(MAC,"[L2][MAC] decode mib\n");
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
frequency_range_t frequency_range;
mac->physCellId = cell_id;
nr_mac_rrc_data_ind_ue( module_id, cc_id, gNB_index, NR_BCCH_BCH, (uint8_t *) pduP, 3 ); // fixed 3 bytes MIB PDU
AssertFatal(mac->mib != NULL, "nr_ue_decode_mib() mac->mib == NULL\n");
......@@ -121,11 +121,11 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
frame = frame << 4;
frame = frame | frame_number_4lsb;
if(ssb_length == 64){
frequency_range = FR2;
mac->frequency_range = FR2;
for (int i=0; i<3; i++)
ssb_index += (((extra_bits>>(7-i))&0x01)<<(3+i));
}else{
frequency_range = FR1;
mac->frequency_range = FR1;
if(ssb_subcarrier_offset_msb){
ssb_subcarrier_offset = ssb_subcarrier_offset | 0x10;
}
......@@ -154,12 +154,13 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
ssb_start_symbol = get_ssb_start_symbol(band,scs_ssb,ssb_index);
nr_ue_sib1_scheduler(module_id,
cc_id,
ssb_start_symbol,
frame,
ssb_subcarrier_offset,
ssb_index,
ssb_start_subcarrier,
frequency_range);
mac->frequency_range);
}
else {
......
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
View file @ cb31468c
......@@ -1731,6 +1731,7 @@ void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_frame_t s
// This function schedules the reception of SIB1 after initial sync and before going to real time state
void nr_ue_sib1_scheduler(module_id_t module_idP,
int cc_id,
uint16_t ssb_start_symbol,
uint16_t frame,
uint8_t ssb_subcarrier_offset,
......@@ -1739,6 +1740,8 @@ void nr_ue_sib1_scheduler(module_id_t module_idP,
frequency_range_t frequency_range) {
NR_UE_MAC_INST_t *mac = get_mac_inst(module_idP);
nr_scheduled_response_t scheduled_response;
int frame_s,slot_s;
uint8_t scs_ssb = get_softmodem_params()->numerology;
uint16_t ssb_offset_point_a = (ssb_start_subcarrier - ssb_subcarrier_offset)/12;
......@@ -1755,9 +1758,37 @@ void nr_ue_sib1_scheduler(module_id_t module_idP,
1, // If the UE is not configured with a periodicity, the UE assumes a periodicity of a half frame
ssb_offset_point_a);
if(mac->search_space_zero == NULL) mac->search_space_zero=calloc(1,sizeof(*mac->search_space_zero));
if(mac->coreset0 == NULL) mac->coreset0 = calloc(1,sizeof(*mac->coreset0));
fill_coresetZero(mac->coreset0, &mac->type0_PDCCH_CSS_config);
fill_searchSpaceZero(mac->search_space_zero, &mac->type0_PDCCH_CSS_config);
fapi_nr_dl_config_request_t *dl_config = &mac->dl_config_request;
fapi_nr_dl_config_dci_dl_pdu_rel15_t *rel15 = &dl_config->dl_config_list[dl_config->number_pdus].dci_config_pdu.dci_config_rel15;
rel15->num_dci_options = 1;
rel15->dci_format_options[0] = NR_DL_DCI_FORMAT_1_0;
config_dci_pdu(mac, rel15, dl_config, NR_RNTI_SI, -1);
fill_dci_search_candidates(mac->search_space_zero, rel15);
if(mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern == 1){
// same frame as ssb
if ((mac->type0_PDCCH_CSS_config.frame & 0x1) == mac->type0_PDCCH_CSS_config.sfn_c)
frame_s = 0;
else
frame_s = 1;
slot_s = mac->type0_PDCCH_CSS_config.n_0;
}
else{
frame_s = 0; // same frame as ssb
slot_s = mac->type0_PDCCH_CSS_config.n_c;
}
LOG_I(MAC,"Calling fill_scheduled_response, type0_pdcch, num_pdus %d\n",dl_config->number_pdus);
fill_scheduled_response(&scheduled_response, dl_config, NULL, NULL, module_idP, cc_id, frame_s, slot_s, 0); // TODO fix thread_id, for now assumed 0
if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL)
mac->if_module->scheduled_response(&scheduled_response);
}
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
View file @ cb31468c
......@@ -171,9 +171,6 @@ int allocate_nr_CCEs(gNB_MAC_INST *nr_mac,
uint16_t Y,
int m,
int nr_of_candidates) {
// uncomment these when we allocate for common search space
// NR_COMMON_channels_t *cc = nr_mac->common_channels;
// NR_ServingCellConfigCommon_t *scc = cc->ServingCellConfigCommon;
int coreset_id = coreset->controlResourceSetId;
......
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