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adding PHY side of FAPI UL handling

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This commit is contained in:
Florian Kaltenberger
2019-09-06 16:25:41 +02:00
parent 7fb14ab321
commit e96dfd4b52
4 changed files with 71 additions and 25 deletions
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openair1/PHY/INIT/nr_init.c
-23
View File
@@ -507,31 +507,8 @@ void init_nr_transport(PHY_VARS_gNB *gNB) {
exit(-1);
}
LOG_I(PHY,"Initializing nFAPI for ULSCH, UE %d\n",i);
// [hna] added here for RT implementation
uint8_t harq_pid = 0;
nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &gNB->ulsch[i+1][j]->harq_processes[harq_pid]->ulsch_pdu;
// --------- setting rel15_ul parameters ----------
rel15_ul->rnti = 0x1234;
rel15_ul->ulsch_pdu_rel15.start_rb = 30;
rel15_ul->ulsch_pdu_rel15.number_rbs = 50;
rel15_ul->ulsch_pdu_rel15.start_symbol = 2;
rel15_ul->ulsch_pdu_rel15.number_symbols = 12;
rel15_ul->ulsch_pdu_rel15.nb_re_dmrs = 6;
rel15_ul->ulsch_pdu_rel15.length_dmrs = 1;
rel15_ul->ulsch_pdu_rel15.Qm = 2;
rel15_ul->ulsch_pdu_rel15.mcs = 9;
rel15_ul->ulsch_pdu_rel15.rv = 0;
rel15_ul->ulsch_pdu_rel15.n_layers = 1;
///////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////
}
// this is the transmission mode for the signalling channels
// this will be overwritten with the real transmission mode by the RRC once the UE is connected
//gNB->transmission_mode[i] = fp->nb_antenna_ports_gNB==1 ? 1 : 2;
}
gNB->dlsch_SI = new_gNB_dlsch(1,8,NSOFT, 0, fp, cfg);
openair1/PHY/NR_TRANSPORT/nr_dlsch_tools.c
+52 -1
View File
@@ -257,7 +257,7 @@ int16_t find_nr_dlsch(uint16_t rnti, PHY_VARS_gNB *gNB,find_type_t type) {
AssertFatal(gNB!=NULL,"gNB is null\n");
for (i=0; i<NUMBER_OF_NR_DLSCH_MAX; i++) {
AssertFatal(gNB->dlsch[i]!=NULL,"gNB->dlsch[%d] is null\n",i);
AssertFatal(gNB->dlsch[i]!=NULL,"gNB->dlsch[%d][0] is null\n",i);
AssertFatal(gNB->dlsch[i][0]!=NULL,"gNB->dlsch[%d][0] is null\n",i);
LOG_D(PHY,"searching for rnti %x : dlsch_index %d=> harq_mask %x, rnti %x, first_free_index %d\n", rnti,i,gNB->dlsch[i][0]->harq_mask,gNB->dlsch[i][0]->rnti,first_free_index);
if ((gNB->dlsch[i][0]->harq_mask >0) &&
(gNB->dlsch[i][0]->rnti==rnti)) return i;
@@ -269,6 +269,26 @@ int16_t find_nr_dlsch(uint16_t rnti, PHY_VARS_gNB *gNB,find_type_t type) {
return first_free_index;
}
int16_t find_nr_ulsch(uint16_t rnti, PHY_VARS_gNB *gNB,find_type_t type) {
uint16_t i;
int16_t first_free_index=-1;
AssertFatal(gNB!=NULL,"gNB is null\n");
for (i=0; i<NUMBER_OF_NR_ULSCH_MAX; i++) {
AssertFatal(gNB->ulsch[i]!=NULL,"gNB->ulsch[%d] is null\n",i);
AssertFatal(gNB->ulsch[i][0]!=NULL,"gNB->ulsch[%d][0] is null\n",i);
LOG_D(PHY,"searching for rnti %x : ulsch_index %d=> harq_mask %x, rnti %x, first_free_index %d\n", rnti,i,gNB->ulsch[i][0]->harq_mask,gNB->ulsch[i][0]->rnti,first_free_index);
if ((gNB->ulsch[i][0]->harq_mask >0) &&
(gNB->ulsch[i][0]->rnti==rnti)) return i;
else if ((gNB->ulsch[i][0]->harq_mask == 0) && (first_free_index==-1)) first_free_index=i;
}
if (type == SEARCH_EXIST) return -1;
if (first_free_index != -1)
gNB->ulsch[first_free_index][0]->rnti = 0;
return first_free_index;
}
void nr_fill_dlsch(PHY_VARS_gNB *gNB,
int frame,
int slot,
@@ -290,3 +310,34 @@ void nr_fill_dlsch(PHY_VARS_gNB *gNB,
}
void nr_fill_ulsch(PHY_VARS_gNB *gNB,
int frame,
int slot,
nfapi_nr_pusch_pdu_t *ulsch_pdu) {
int ulsch_id = find_nr_dlsch(ulsch_pdu->rnti,gNB,SEARCH_EXIST);
AssertFatal( (ulsch_id>=0) && (ulsch_id<NUMBER_OF_NR_ULSCH_MAX),
"illegal or no ulsch_id found!!! rnti %04x ulsch_id %d\n",ulsch_pdu->rnti,ulsch_id);
NR_gNB_ULSCH_t *ulsch = gNB->ulsch[ulsch_id][0];
NR_UL_gNB_HARQ_t **harq = ulsch->harq_processes;
int harq_pid = ulsch_pdu->pusch_data.harq_process_id;
nfapi_nr_ul_config_ulsch_pdu *rel15_ul = &harq[harq_pid]->ulsch_pdu;
LOG_I(PHY,"Initializing nFAPI for ULSCH, UE %d, harq_pid %d\n",ulsch_id,harq_pid);
//FK this is still a bad hack. We need to replace the L1 FAPI structures with the new scf ones as well.
rel15_ul->rnti = ulsch_pdu->rnti;
rel15_ul->ulsch_pdu_rel15.start_rb = ulsch_pdu->rb_start;
rel15_ul->ulsch_pdu_rel15.number_rbs = ulsch_pdu->rb_size;
rel15_ul->ulsch_pdu_rel15.start_symbol = ulsch_pdu->start_symbol_index;
rel15_ul->ulsch_pdu_rel15.number_symbols = ulsch_pdu->nr_of_symbols;
rel15_ul->ulsch_pdu_rel15.nb_re_dmrs = 6; //where should this come from?
rel15_ul->ulsch_pdu_rel15.length_dmrs = 1; //where should this come from?
rel15_ul->ulsch_pdu_rel15.Qm = ulsch_pdu->qam_mod_order;
rel15_ul->ulsch_pdu_rel15.mcs = ulsch_pdu->mcs_index;
rel15_ul->ulsch_pdu_rel15.rv = ulsch_pdu->pusch_data.rv_index;
rel15_ul->ulsch_pdu_rel15.n_layers = ulsch_pdu->nrOfLayers;
}
openair1/PHY/NR_TRANSPORT/nr_transport_proto.h
+6 -1
View File
@@ -190,4 +190,9 @@ void nr_ulsch_compute_llr(int32_t *rxdataF_comp,
uint32_t nb_rb,
uint32_t nb_re,
uint8_t symbol,
uint8_t mod_order);
uint8_t mod_order);
void nr_fill_ulsch(PHY_VARS_gNB *gNB,
int frame,
int slot,
nfapi_nr_pusch_pdu_t *ulsch_pdu);
openair1/SCHED_NR/fapi_nr_l1.c
+13
View File
@@ -89,6 +89,7 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
uint8_t CC_id = Sched_INFO->CC_id;
nfapi_nr_dl_config_request_t *DL_req = Sched_INFO->DL_req;
nfapi_tx_request_t *TX_req = Sched_INFO->TX_req;
nfapi_nr_ul_tti_request_t *UL_tti_req = Sched_INFO->UL_tti_req;
frame_t frame = Sched_INFO->frame;
sub_frame_t slot = Sched_INFO->slot;
@@ -99,6 +100,7 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
gNB = RC.gNB[Mod_id][CC_id];
uint8_t number_dl_pdu = DL_req->dl_config_request_body.number_pdu;
uint8_t number_ul_pdu = UL_tti_req->n_pdus;
nfapi_nr_dl_config_request_pdu_t *dl_config_pdu;
@@ -157,6 +159,17 @@ void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){
}
}
for (i=0;i<number_ul_pdu;i++) {
LOG_D(PHY,"NFAPI: dl_pdu %d : type %d\n",i,UL_tti_req->pdus_list[i].pdu_type);
switch (UL_tti_req->pdus_list[i].pdu_type) {
case NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE:
{
nfapi_nr_pusch_pdu_t *pusch_pdu = &UL_tti_req->pdus_list[0].pusch_pdu;
nr_fill_ulsch(gNB,frame,slot,pusch_pdu);
}
}
}
if (nfapi_mode && do_oai && !dont_send) {
oai_nfapi_tx_req(Sched_INFO->TX_req);