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applying Robert's patch

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This commit is contained in:
francescomani
2022-06-09 13:26:04 +02:00
parent 85b48193d4
commit f5e9c4ec36
1 changed files with 146 additions and 151 deletions
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openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_RA.c
+146 -151
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@@ -537,169 +537,164 @@ void nr_initiate_ra_proc(module_id_t module_idP,
}
for (int i = 0; i < NR_NB_RA_PROC_MAX; i++) {
NR_RA_t *ra = &cc->ra[i];
pr_found = 0;
NR_UE_info_t *UE = NULL;
if(ra->rnti!=0) // calling the function only for a valid RNTI
UE = find_nr_UE(&nr_mac->UE_info, ra->rnti);
if (UE) {
// the UE is already registered
LOG_W(NR_MAC, "Received RA for existing RNTI %04x\n", ra->rnti);
if (ra->state != RA_IDLE)
continue;
pr_found = 0;
for(int j = 0; j < ra->preambles.num_preambles; j++) {
//check if the preamble received correspond to one of the listed or configured preambles
if (preamble_index == ra->preambles.preamble_list[j]) {
if (ra->rnti == 0 && get_softmodem_params()->nsa)
continue;
pr_found=1;
break;
}
}
if (ra->state == RA_IDLE) {
for(int j = 0; j < ra->preambles.num_preambles; j++) {
//check if the preamble received correspond to one of the listed or configured preambles
if (preamble_index == ra->preambles.preamble_list[j]) {
if (ra->rnti == 0 && get_softmodem_params()->nsa)
continue;
pr_found=1;
break;
}
}
if (pr_found == 0) {
continue;
if (pr_found == 0) {
continue;
}
uint16_t ra_rnti;
// ra_rnti from 5.1.3 in 38.321
// FK: in case of long PRACH the phone seems to expect the subframe number instead of the slot number here.
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present
== NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l839)
ra_rnti = 1 + symbol + (9 /*slotP*/ * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
else
ra_rnti = 1 + symbol + (slotP * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
// This should be handled differently when we use the initialBWP for RA
ra->dl_bwp_id = 0;//TODO
ra->ul_bwp_id = 0;
NR_BWP_Downlink_t *bwp=NULL;
if (ra->CellGroup && ra->CellGroup->spCellConfig && ra->CellGroup->spCellConfig->spCellConfigDedicated) {
if (ra->CellGroup->spCellConfig->spCellConfigDedicated->firstActiveDownlinkBWP_Id &&
ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList) {
ra->dl_bwp_id = *ra->CellGroup->spCellConfig->spCellConfigDedicated->firstActiveDownlinkBWP_Id;
bwp = ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[ra->dl_bwp_id - 1];
}
if (ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig &&
ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id)
ra->ul_bwp_id = *ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id;
}
uint16_t ra_rnti;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 1);
// ra_rnti from 5.1.3 in 38.321
// FK: in case of long PRACH the phone seems to expect the subframe number instead of the slot number here.
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present
== NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l839)
ra_rnti = 1 + symbol + (9 /*slotP*/ * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
else
ra_rnti = 1 + symbol + (slotP * 14) + (freq_index * 14 * 80) + (ul_carrier_id * 14 * 80 * 8);
LOG_D(NR_MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d, Slot %d Initiating RA procedure for preamble index %d\n",
module_idP,
CC_id,
frameP,
slotP,
preamble_index);
// This should be handled differently when we use the initialBWP for RA
ra->dl_bwp_id = 0;//TODO
ra->ul_bwp_id = 0;
NR_BWP_Downlink_t *bwp=NULL;
if (ra->CellGroup && ra->CellGroup->spCellConfig && ra->CellGroup->spCellConfig->spCellConfigDedicated) {
if (ra->CellGroup->spCellConfig->spCellConfigDedicated->firstActiveDownlinkBWP_Id &&
ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList) {
ra->dl_bwp_id = *ra->CellGroup->spCellConfig->spCellConfigDedicated->firstActiveDownlinkBWP_Id;
bwp = ra->CellGroup->spCellConfig->spCellConfigDedicated->downlinkBWP_ToAddModList->list.array[ra->dl_bwp_id - 1];
}
if (ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig &&
ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id)
ra->ul_bwp_id = *ra->CellGroup->spCellConfig->spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id;
}
uint8_t beam_index = ssb_index_from_prach(module_idP, frameP, slotP, preamble_index, freq_index, symbol);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_INITIATE_RA_PROC, 1);
LOG_D(NR_MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d, Slot %d Initiating RA procedure for preamble index %d\n",
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
if (ra->cfra) {
// if the preamble received correspond to one of the listed
if (!(preamble_index == ra->preambles.preamble_list[beam_index])) {
LOG_E(
NR_MAC,
"[gNB %d][RAPROC] FAILURE: preamble %d does not correspond to any of the ones in rach_ConfigDedicated\n",
module_idP,
CC_id,
frameP,
slotP,
preamble_index);
uint8_t beam_index = ssb_index_from_prach(module_idP, frameP, slotP, preamble_index, freq_index, symbol);
// the UE sent a RACH either for starting RA procedure or RA procedure failed and UE retries
if (ra->cfra) {
// if the preamble received correspond to one of the listed
if (!(preamble_index == ra->preambles.preamble_list[beam_index])) {
LOG_E(
NR_MAC,
"[gNB %d][RAPROC] FAILURE: preamble %d does not correspond to any of the ones in rach_ConfigDedicated\n",
module_idP,
preamble_index);
continue; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
}
continue; // if the PRACH preamble does not correspond to any of the ones sent through RRC abort RA proc
}
LOG_D(NR_MAC, "Frame %d, Slot %d: Activating RA process \n", frameP, slotP);
ra->state = Msg2;
ra->timing_offset = timing_offset;
ra->preamble_slot = slotP;
NR_SearchSpaceId_t ra_SearchSpace = 0;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = NULL;
NR_BWP_t *genericParameters = NULL;
if(bwp) {
commonSearchSpaceList = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
ra_SearchSpace = *bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->ra_SearchSpace;
genericParameters = &bwp->bwp_Common->genericParameters;
} else {
commonSearchSpaceList = scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
ra_SearchSpace = *scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->ra_SearchSpace;
genericParameters = &scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters;
}
AssertFatal(commonSearchSpaceList->list.count > 0, "common SearchSpace list has 0 elements\n");
// Common SearchSpace list
for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
ss = commonSearchSpaceList->list.array[i];
if (ss->searchSpaceId == ra_SearchSpace)
ra->ra_ss = ss;
}
AssertFatal(ra->ra_ss!=NULL,"SearchSpace cannot be null for RA\n");
ra->coreset = get_coreset(nr_mac, scc, bwp, ra->ra_ss, NR_SearchSpace__searchSpaceType_PR_common);
ra->sched_pdcch = set_pdcch_structure(nr_mac,
ra->ra_ss,
ra->coreset,
scc,
genericParameters,
&nr_mac->type0_PDCCH_CSS_config[ra->beam_id]);
// retrieving ra pdcch monitoring period and offset
find_monitoring_periodicity_offset_common(ra->ra_ss, &monitoring_slot_period, &monitoring_offset);
nr_schedule_msg2(frameP,
slotP,
&msg2_frame,
&msg2_slot,
scc,
frame_type,
monitoring_slot_period,
monitoring_offset,
beam_index,
cc->num_active_ssb,
nr_mac->tdd_beam_association,
nr_mac->if_inst->sl_ahead);
ra->Msg2_frame = msg2_frame;
ra->Msg2_slot = msg2_slot;
LOG_D(NR_MAC, "%s() Msg2[%04d%d] SFN/SF:%04d%d\n", __FUNCTION__, ra->Msg2_frame, ra->Msg2_slot, frameP, slotP);
int loop = 0;
if (ra->rnti == 0) { // This condition allows for the usage of a preconfigured rnti for the CFRA
do {
ra->rnti = (taus() % 65518) + 1;
loop++;
} while (loop != 100
&& !((find_nr_UE(&nr_mac->UE_info, ra->rnti) == NULL) && (find_nr_RA_id(module_idP, CC_id, ra->rnti) == -1)
&& ra->rnti >= 1 && ra->rnti <= 65519));
if (loop == 100) {
LOG_E(NR_MAC, "%s:%d:%s: [RAPROC] initialisation random access aborted\n", __FILE__, __LINE__, __FUNCTION__);
abort();
}
}
ra->RA_rnti = ra_rnti;
ra->preamble_index = preamble_index;
ra->beam_id = beam_index;
LOG_I(NR_MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d Activating Msg2 generation in frame %d, slot %d using RA rnti %x SSB, new rnti %04x "
"index %u RA index %d\n",
module_idP,
CC_id,
frameP,
ra->Msg2_frame,
ra->Msg2_slot,
ra->RA_rnti,
ra->rnti,
cc->ssb_index[beam_index],
i);
return;
}
LOG_D(NR_MAC, "Frame %d, Slot %d: Activating RA process \n", frameP, slotP);
ra->state = Msg2;
ra->timing_offset = timing_offset;
ra->preamble_slot = slotP;
NR_SearchSpaceId_t ra_SearchSpace = 0;
struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList = NULL;
NR_BWP_t *genericParameters = NULL;
if(bwp) {
commonSearchSpaceList = bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
ra_SearchSpace = *bwp->bwp_Common->pdcch_ConfigCommon->choice.setup->ra_SearchSpace;
genericParameters = &bwp->bwp_Common->genericParameters;
} else {
commonSearchSpaceList = scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList;
ra_SearchSpace = *scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->ra_SearchSpace;
genericParameters = &scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters;
}
AssertFatal(commonSearchSpaceList->list.count > 0, "common SearchSpace list has 0 elements\n");
// Common SearchSpace list
for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
ss = commonSearchSpaceList->list.array[i];
if (ss->searchSpaceId == ra_SearchSpace)
ra->ra_ss = ss;
}
AssertFatal(ra->ra_ss!=NULL,"SearchSpace cannot be null for RA\n");
ra->coreset = get_coreset(nr_mac, scc, bwp, ra->ra_ss, NR_SearchSpace__searchSpaceType_PR_common);
ra->sched_pdcch = set_pdcch_structure(nr_mac,
ra->ra_ss,
ra->coreset,
scc,
genericParameters,
&nr_mac->type0_PDCCH_CSS_config[ra->beam_id]);
// retrieving ra pdcch monitoring period and offset
find_monitoring_periodicity_offset_common(ra->ra_ss, &monitoring_slot_period, &monitoring_offset);
nr_schedule_msg2(frameP,
slotP,
&msg2_frame,
&msg2_slot,
scc,
frame_type,
monitoring_slot_period,
monitoring_offset,
beam_index,
cc->num_active_ssb,
nr_mac->tdd_beam_association,
nr_mac->if_inst->sl_ahead);
ra->Msg2_frame = msg2_frame;
ra->Msg2_slot = msg2_slot;
LOG_D(NR_MAC, "%s() Msg2[%04d%d] SFN/SF:%04d%d\n", __FUNCTION__, ra->Msg2_frame, ra->Msg2_slot, frameP, slotP);
int loop = 0;
if (ra->rnti == 0) { // This condition allows for the usage of a preconfigured rnti for the CFRA
do {
ra->rnti = (taus() % 65518) + 1;
loop++;
} while (loop != 100
&& !((find_nr_UE(&nr_mac->UE_info, ra->rnti) == NULL) && (find_nr_RA_id(module_idP, CC_id, ra->rnti) == -1)
&& ra->rnti >= 1 && ra->rnti <= 65519));
if (loop == 100) {
LOG_E(NR_MAC, "%s:%d:%s: [RAPROC] initialisation random access aborted\n", __FILE__, __LINE__, __FUNCTION__);
abort();
}
}
ra->RA_rnti = ra_rnti;
ra->preamble_index = preamble_index;
ra->beam_id = beam_index;
LOG_I(NR_MAC,
"[gNB %d][RAPROC] CC_id %d Frame %d Activating Msg2 generation in frame %d, slot %d using RA rnti %x SSB, new rnti %04x "
"index %u RA index %d\n",
module_idP,
CC_id,
frameP,
ra->Msg2_frame,
ra->Msg2_slot,
ra->RA_rnti,
ra->rnti,
cc->ssb_index[beam_index],
i);
return;
}
LOG_E(NR_MAC, "[gNB %d][RAPROC] FAILURE: CC_id %d Frame %d initiating RA procedure for preamble index %d\n", module_idP, CC_id, frameP, preamble_index);