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openairinterface5g/openair1/SCHED/fapi_l1.c
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file fapi_l1.c
* \brief functions for FAPI L1 interface
* \author R. Knopp
* \date 2017
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs_eNB.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "PHY/LTE_TRANSPORT/transport_extern.h"
#include "SCHED/sched_eNB.h"
#include "nfapi/oai_integration/vendor_ext.h"
#include "nfapi_pnf_interface.h"
#include "fapi_l1.h"
#include "common/ran_context.h"
extern RAN_CONTEXT_t RC;
int oai_nfapi_dl_config_req(nfapi_dl_config_request_t *dl_config_req);
int oai_nfapi_tx_req(nfapi_tx_request_t *tx_req);
int oai_nfapi_hi_dci0_req(nfapi_hi_dci0_request_t *hi_dci0_req);
int oai_nfapi_ul_config_req(nfapi_ul_config_request_t *ul_config_req);
int oai_nfapi_ue_release_req(nfapi_ue_release_request_t *release_req);
void handle_nfapi_dci_dl_pdu(PHY_VARS_eNB *eNB,
int frame, int subframe,
L1_rxtx_proc_t *proc,
nfapi_dl_config_request_pdu_t *dl_config_pdu) {
int idx = subframe&1;
LTE_eNB_PDCCH *pdcch_vars = &eNB->pdcch_vars[idx];
nfapi_dl_config_dci_dl_pdu *pdu = &dl_config_pdu->dci_dl_pdu;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
LOG_D(PHY,"Frame %d, Subframe %d: DCI processing - populating pdcch_vars->dci_alloc[%d] proc:subframe_tx:%d idx:%d pdcch_vars->num_dci:%d\n",frame,subframe, pdcch_vars->num_dci, proc->subframe_tx,
idx, pdcch_vars->num_dci);
// copy dci configuration into eNB structure
fill_dci_and_dlsch(eNB,frame,subframe,proc,&pdcch_vars->dci_alloc[pdcch_vars->num_dci],pdu);
LOG_D(PHY,"Frame %d, Subframe %d: DCI processing - populated pdcch_vars->dci_alloc[%d] proc:subframe_tx:%d idx:%d pdcch_vars->num_dci:%d\n",proc->frame_tx,proc->subframe_tx, pdcch_vars->num_dci,
proc->subframe_tx, idx, pdcch_vars->num_dci);
}
void handle_nfapi_mpdcch_pdu(PHY_VARS_eNB *eNB,
L1_rxtx_proc_t *proc,
nfapi_dl_config_request_pdu_t *dl_config_pdu) {
int idx = proc->subframe_tx&1;
LTE_eNB_MPDCCH *mpdcch_vars = &eNB->mpdcch_vars[idx];
nfapi_dl_config_mpdcch_pdu *pdu = &dl_config_pdu->mpdcch_pdu;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
LOG_D(PHY,"Frame %d, Subframe %d: MDCI processing\n",proc->frame_tx,proc->subframe_tx);
// copy dci configuration into eNB structure
fill_mdci_and_dlsch(eNB,proc,&mpdcch_vars->mdci_alloc[mpdcch_vars->num_dci],pdu);
}
void handle_nfapi_hi_dci0_dci_pdu(PHY_VARS_eNB *eNB,int frame,int subframe,L1_rxtx_proc_t *proc,
nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu) {
int idx = subframe&1;
LTE_eNB_PDCCH *pdcch_vars = &eNB->pdcch_vars[idx];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
//LOG_D(PHY,"%s() SFN/SF:%04d%d Before num_dci:%d\n", __FUNCTION__,frame,subframe,pdcch_vars->num_dci);
// copy dci configuration in to eNB structure
fill_dci0(eNB,frame,subframe,proc,&pdcch_vars->dci_alloc[pdcch_vars->num_dci], &hi_dci0_config_pdu->dci_pdu);
}
void handle_nfapi_hi_dci0_mpdcch_dci_pdu(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc,
nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu) {
int idx = proc->subframe_tx&1;
LTE_eNB_MPDCCH *pdcch_vars = &eNB->mpdcch_vars[idx];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
// copy dci configuration in to eNB structure
fill_mpdcch_dci0(eNB,proc,&pdcch_vars->mdci_alloc[pdcch_vars->num_dci], &hi_dci0_config_pdu->mpdcch_dci_pdu);
}
void handle_nfapi_hi_dci0_hi_pdu(PHY_VARS_eNB *eNB,int frame,int subframe,L1_rxtx_proc_t *proc,
nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu) {
LTE_eNB_PHICH *phich = &eNB->phich_vars[subframe&1];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
// copy dci configuration in to eNB structure
LOG_D(PHY,"Received HI PDU with value %d (rbstart %d,cshift %d)\n",
hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.hi_value,
hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.resource_block_start,
hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.cyclic_shift_2_for_drms);
// DJP - TODO FIXME - transmission power ignored
phich->config[phich->num_hi].hi = hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.hi_value;
phich->config[phich->num_hi].first_rb = hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.resource_block_start;
phich->config[phich->num_hi].n_DMRS = hi_dci0_config_pdu->hi_pdu.hi_pdu_rel8.cyclic_shift_2_for_drms;
phich->num_hi++;
AssertFatal(phich->num_hi<32,"Maximum number of phich reached in subframe\n");
}
void handle_nfapi_bch_pdu(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc,
nfapi_dl_config_request_pdu_t *dl_config_pdu,
uint8_t *sdu) {
nfapi_dl_config_bch_pdu_rel8_t *rel8 = &dl_config_pdu->bch_pdu.bch_pdu_rel8;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
AssertFatal(rel8->length == 3, "BCH PDU has length %d != 3\n",rel8->length);
//LOG_D(PHY,"bch_pdu: %x,%x,%x\n",sdu[0],sdu[1],sdu[2]);
eNB->pbch_pdu[0] = sdu[2];
eNB->pbch_pdu[1] = sdu[1];
eNB->pbch_pdu[2] = sdu[0];
// adjust transmit amplitude here based on NFAPI info
}
extern uint32_t localRIV2alloc_LUT6[32];
extern uint32_t localRIV2alloc_LUT25[512];
extern uint32_t localRIV2alloc_LUT50_0[1600];
extern uint32_t localRIV2alloc_LUT50_1[1600];
extern uint32_t localRIV2alloc_LUT100_0[6000];
extern uint32_t localRIV2alloc_LUT100_1[6000];
extern uint32_t localRIV2alloc_LUT100_2[6000];
extern uint32_t localRIV2alloc_LUT100_3[6000];
void handle_nfapi_mch_pdu(PHY_VARS_eNB *eNB,int frame,int subframe,L1_rxtx_proc_t *proc,
nfapi_dl_config_request_pdu_t *dl_config_pdu,
uint8_t *sdu){
nfapi_dl_config_mch_pdu_rel8_t *rel8 = &dl_config_pdu->mch_pdu.mch_pdu_rel8;
LTE_eNB_DLSCH_t *dlsch = eNB->dlsch_MCH;
LTE_DL_FRAME_PARMS *frame_parms=&eNB->frame_parms;
// dlsch->rnti = M_RNTI;
dlsch->harq_processes[0]->mcs = rel8->modulation;
// dlsch->harq_processes[0]->Ndi = ndi;
dlsch->harq_processes[0]->rvidx = 0;//rvidx;
dlsch->harq_processes[0]->Nl = 1;
dlsch->harq_processes[0]->TBS = TBStable[get_I_TBS(dlsch->harq_processes[0]->mcs)][frame_parms->N_RB_DL-1];
// dlsch->harq_ids[subframe] = 0;
dlsch->harq_processes[0]->nb_rb = frame_parms->N_RB_DL;
switch(frame_parms->N_RB_DL) {
case 6:
dlsch->harq_processes[0]->rb_alloc[0] = 0x3f;
break;
case 25:
dlsch->harq_processes[0]->rb_alloc[0] = 0x1ffffff;
break;
case 50:
dlsch->harq_processes[0]->rb_alloc[0] = 0xffffffff;
dlsch->harq_processes[0]->rb_alloc[1] = 0x3ffff;
break;
case 100:
dlsch->harq_processes[0]->rb_alloc[0] = 0xffffffff;
dlsch->harq_processes[0]->rb_alloc[1] = 0xffffffff;
dlsch->harq_processes[0]->rb_alloc[2] = 0xffffffff;
dlsch->harq_processes[0]->rb_alloc[3] = 0xf;
break;
}
dlsch->harq_ids[proc->frame_tx%2][proc->subframe_tx] = 0;
dlsch->harq_processes[0]->pdu = sdu;
dlsch->active = 1;
}
void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,int frame,int subframe,L1_rxtx_proc_t *proc,
nfapi_dl_config_request_pdu_t *dl_config_pdu,
uint8_t codeword_index,
uint8_t *sdu) {
nfapi_dl_config_dlsch_pdu_rel8_t *rel8 = &dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8;
nfapi_dl_config_dlsch_pdu_rel10_t *rel10 = &dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10;
nfapi_dl_config_dlsch_pdu_rel13_t *rel13 = &dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13;
LTE_eNB_DLSCH_t *dlsch0=NULL,*dlsch1=NULL;
LTE_DL_eNB_HARQ_t *dlsch0_harq=NULL,*dlsch1_harq=NULL;
int UE_id;
int harq_pid;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
UE_id = find_dlsch(rel8->rnti,eNB,SEARCH_EXIST_OR_FREE);
if( (UE_id<0) || (UE_id>=NUMBER_OF_DLSCH_MAX) ) {
LOG_E(PHY,"illegal UE_id found!!! rnti %04x UE_id %d\n",rel8->rnti,UE_id);
return;
}
//AssertFatal(UE_id!=-1,"no free or exiting dlsch_context\n");
//AssertFatal(UE_id<NUMBER_OF_DLSCH_MAX,"returned UE_id %d >= %d(NUMBER_OF_DLSCHMAX)\n",UE_id,NUMBER_OF_DLSCH_MAX);
dlsch0 = eNB->dlsch[UE_id][0];
dlsch1 = eNB->dlsch[UE_id][1];
if ((rel13->pdsch_payload_type < 2) && (rel13->ue_type>0)) dlsch0->harq_ids[proc->frame_tx%2][proc->subframe_tx] = 0;
harq_pid = dlsch0->harq_ids[proc->frame_tx%2][proc->subframe_tx];
if((harq_pid < 0) || (harq_pid >= dlsch0->Mdlharq)) {
LOG_E(PHY,"illegal harq_pid %d %s:%d\n", harq_pid, __FILE__, __LINE__);
return;
}
dlsch0_harq = dlsch0->harq_processes[harq_pid];
dlsch1_harq = dlsch1->harq_processes[harq_pid];
AssertFatal(dlsch0_harq!=NULL,"dlsch_harq is null\n");
// compute DL power control parameters
eNB->pdsch_config_dedicated[UE_id].p_a = rel8->pa;
#ifdef PHY_TX_THREAD
if (dlsch0->active[proc->subframe_tx]) {
# else
if (dlsch0->active) {
#endif
computeRhoA_eNB(rel8->pa, dlsch0,dlsch0_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(rel8->pa,eNB->frame_parms.pdsch_config_common.p_b,eNB->frame_parms.nb_antenna_ports_eNB,dlsch0,dlsch0_harq->dl_power_off);
}
#ifdef PHY_TX_THREAD
if (dlsch1->active[proc->subframe_tx]) {
#else
if (dlsch1->active) {
#endif
computeRhoA_eNB(rel8->pa, dlsch1,dlsch1_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(rel8->pa,eNB->frame_parms.pdsch_config_common.p_b,eNB->frame_parms.nb_antenna_ports_eNB,dlsch1,dlsch1_harq->dl_power_off);
}
dlsch0_harq->pdsch_start = eNB->pdcch_vars[proc->subframe_tx & 1].num_pdcch_symbols;
if (dlsch0_harq->round==0) { //get pointer to SDU if this a new SDU
if(sdu == NULL) {
LOG_E(PHY,
"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d dlsch0_harq[round:%d SFN/SF:%d%d pdu:%p mcs:%d ndi:%d pdschstart:%d]\n",
frame,subframe,
proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid,
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index,dlsch0_harq->round,dlsch0_harq->frame,dlsch0_harq->subframe,dlsch0_harq->pdu,dlsch0_harq->mcs,dlsch0_harq->ndi,dlsch0_harq->pdsch_start);
return;
}
//AssertFatal(sdu!=NULL,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d dlsch0_harq[round:%d SFN/SF:%d%d pdu:%p mcs:%d ndi:%d pdschstart:%d]\n",
// frame,subframe,
// proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid,
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index,dlsch0_harq->round,dlsch0_harq->frame,dlsch0_harq->subframe,dlsch0_harq->pdu,dlsch0_harq->mcs,dlsch0_harq->ndi,dlsch0_harq->pdsch_start);
if (rel8->rnti != 0xFFFF) LOG_D(PHY,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d, subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d\n",
frame,subframe,proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid);
if (codeword_index == 0) dlsch0_harq->pdu = sdu;
else dlsch1_harq->pdu = sdu;
} else {
if (rel8->rnti != 0xFFFF) LOG_D(PHY,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d, subframe %d]: programming dlsch for round %d, rnti %x, UE_id %d, harq_pid %d\n",
frame,subframe,proc->frame_tx,proc->subframe_tx,dlsch0_harq->round,
rel8->rnti,UE_id,harq_pid);
}
#ifdef PHY_TX_THREAD
dlsch0_harq->sib1_br_flag=0;
#else
dlsch0->sib1_br_flag=0;
#endif
if ((rel13->pdsch_payload_type <2) && (rel13->ue_type>0)) { // this is a BR/CE UE and SIB1-BR/SI-BR
UE_id = find_dlsch(rel8->rnti,eNB,SEARCH_EXIST_OR_FREE);
AssertFatal(UE_id!=-1,"no free or exiting dlsch_context\n");
AssertFatal(UE_id<NUMBER_OF_DLSCH_MAX,"returned UE_id %d >= %d(NUMBER_OF_DLSCH_MAX)\n",UE_id,NUMBER_OF_DLSCH_MAX);
dlsch0 = eNB->dlsch[UE_id][0];
dlsch0->harq_mask = 1;
dlsch0_harq = dlsch0->harq_processes[0];
dlsch0_harq->pdu = sdu;
LOG_D(PHY,"NFAPI: frame %d, subframe %d (TX %d.%d): Programming SI-BR (%d) => %d\n",frame,subframe,proc->frame_tx,proc->subframe_tx,rel13->pdsch_payload_type,UE_id);
dlsch0->rnti = 0xFFFF;
dlsch0->Kmimo = 1;
dlsch0->Mdlharq = 4;
dlsch0->Nsoft = 25344;
dlsch0->i0 = rel13->initial_transmission_sf_io;
dlsch0_harq->pdsch_start = rel10->pdsch_start;
dlsch0->harq_ids[proc->frame_tx%2][proc->subframe_rx] = 0;
dlsch0_harq->frame = proc->frame_tx;
dlsch0_harq->subframe = proc->subframe_tx;
#ifdef PHY_TX_THREAD
if (rel13->pdsch_payload_type == 0) dlsch0_harq->sib1_br_flag=1;
#else
if (rel13->pdsch_payload_type == 0) dlsch0->sib1_br_flag=1;
#endif
// configure PDSCH
switch (eNB->frame_parms.N_RB_DL) {
case 6:
dlsch0_harq->rb_alloc[0] = localRIV2alloc_LUT6[rel8->resource_block_coding];
break;
case 15:
AssertFatal(1==0,"15 PRBs not supported for now\n");
break;
case 25:
dlsch0_harq->rb_alloc[0] = localRIV2alloc_LUT25[rel8->resource_block_coding];
break;
case 50:
dlsch0_harq->rb_alloc[0] = localRIV2alloc_LUT50_0[rel8->resource_block_coding];
dlsch0_harq->rb_alloc[1] = localRIV2alloc_LUT50_1[rel8->resource_block_coding];
break;
case 75:
AssertFatal(1==0,"75 PRBs not supported for now\n");
break;
case 100:
dlsch0_harq->rb_alloc[0] = localRIV2alloc_LUT100_0[rel8->resource_block_coding];
dlsch0_harq->rb_alloc[1] = localRIV2alloc_LUT100_1[rel8->resource_block_coding];
dlsch0_harq->rb_alloc[2] = localRIV2alloc_LUT100_2[rel8->resource_block_coding];
dlsch0_harq->rb_alloc[3] = localRIV2alloc_LUT100_3[rel8->resource_block_coding];
}
#ifdef PHY_TX_THREAD
dlsch0->active[proc->subframe_tx]= 1;
#else
dlsch0->active = 1;
#endif
dlsch0_harq->nb_rb = 6;
dlsch0_harq->vrb_type = LOCALIZED;
dlsch0_harq->rvidx = rel8->redundancy_version;
dlsch0_harq->Nl = 1;
dlsch0_harq->mimo_mode = (eNB->frame_parms.nb_antenna_ports_eNB == 1) ? SISO : ALAMOUTI;
dlsch0_harq->dl_power_off = 1;
dlsch0_harq->round = 0;
dlsch0_harq->status = ACTIVE;
dlsch0_harq->TBS = rel8->length<<3;
dlsch0_harq->Qm = rel8->modulation;
dlsch0_harq->codeword = 0;
dlsch0_harq->pdsch_start = rel10->pdsch_start;
} else {
UE_id = find_dlsch(rel8->rnti,eNB,SEARCH_EXIST_OR_FREE);
AssertFatal(UE_id!=-1,"no free or exiting dlsch_context\n");
AssertFatal(UE_id<NUMBER_OF_DLSCH_MAX,"returned UE_id %d >= %d(NUMBER_OF_DLSCH_MAX)\n",UE_id,NUMBER_OF_DLSCH_MAX);
dlsch0 = eNB->dlsch[UE_id][0];
dlsch1 = eNB->dlsch[UE_id][1];
dlsch0->sib1_br_flag=0;
dlsch0->i0 = 0xFFFF;
LOG_D(PHY,"dlsch->i0:%04x dlsch0_harq[pdsch_start:%d nb_rb:%d vrb_type:%d rvidx:%d Nl:%d mimo_mode:%d dl_power_off:%d round:%d status:%d TBS:%d Qm:%d codeword:%d rb_alloc:%d] rel8[length:%d]\n",
#ifdef PHY_TX_THREAD
dlsch0_harq->i0,
#else
dlsch0->i0,
#endif
dlsch0_harq->pdsch_start, dlsch0_harq->nb_rb, dlsch0_harq->vrb_type, dlsch0_harq->rvidx, dlsch0_harq->Nl, dlsch0_harq->mimo_mode, dlsch0_harq->dl_power_off, dlsch0_harq->round, dlsch0_harq->status,
dlsch0_harq->TBS, dlsch0_harq->Qm, dlsch0_harq->codeword, dlsch0_harq->rb_alloc[0],
rel8->length
);
dlsch0->active = 1;
harq_pid = dlsch0->harq_ids[frame%2][proc->subframe_tx];
dlsch0->harq_mask |= (1<<harq_pid);
AssertFatal((harq_pid>=0) && (harq_pid<8),"subframe %d: harq_pid %d not in 0...7\n",proc->subframe_tx,harq_pid);
dlsch0_harq = dlsch0->harq_processes[harq_pid];
dlsch1_harq = dlsch1->harq_processes[harq_pid];
AssertFatal(dlsch0_harq!=NULL,"dlsch_harq is null\n");
// compute DL power control parameters
if (dlsch0->active) {
computeRhoA_eNB(rel8->pa,dlsch0,dlsch0_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(rel8->pa,eNB->frame_parms.pdsch_config_common.p_b,eNB->frame_parms.nb_antenna_ports_eNB,dlsch0,dlsch0_harq->dl_power_off);
}
if (dlsch1->active) {
computeRhoA_eNB(rel8->pa, dlsch1,dlsch1_harq->dl_power_off, eNB->frame_parms.nb_antenna_ports_eNB);
computeRhoB_eNB(rel8->pa,eNB->frame_parms.pdsch_config_common.p_b,eNB->frame_parms.nb_antenna_ports_eNB,dlsch1,dlsch1_harq->dl_power_off);
}
if (rel13->ue_type>0)
dlsch0_harq->pdsch_start = rel10->pdsch_start;
else
dlsch0_harq->pdsch_start = eNB->pdcch_vars[proc->subframe_tx & 1].num_pdcch_symbols;
if (dlsch0_harq->round==0) { //get pointer to SDU if this a new SDU
AssertFatal(sdu!=NULL,"NFAPI: frame %d, subframe %d: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d\n",
proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid,
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index);
if (rel8->rnti != 0xFFFF) LOG_D(PHY,"NFAPI: frame %d, subframe %d: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d\n",
proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid);
if (codeword_index == 0) dlsch0_harq->pdu = sdu;
else dlsch1_harq->pdu = sdu;
} else {
if (rel8->rnti != 0xFFFF) LOG_D(PHY,"NFAPI: frame %d, subframe %d: programming dlsch for round %d, rnti %x, UE_id %d, harq_pid %d\n",
proc->frame_tx,proc->subframe_tx,dlsch0_harq->round,
rel8->rnti,UE_id,harq_pid);
}
}
}
int16_t to_beta_offset_harqack[16]= {16,20,25,32,40,50,64,80,101,127,160,248,400,640,1008,8};
void handle_ulsch_harq_pdu(
PHY_VARS_eNB *eNB,
int UE_id,
nfapi_ul_config_request_pdu_t *ul_config_pdu,
nfapi_ul_config_ulsch_harq_information *harq_information,
uint16_t frame,
uint8_t subframe) {
nfapi_ul_config_ulsch_pdu_rel8_t *rel8 = &ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8;
LTE_eNB_ULSCH_t *ulsch=eNB->ulsch[UE_id];
LTE_UL_eNB_HARQ_t *ulsch_harq;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
int harq_pid = rel8->harq_process_number;
ulsch_harq = ulsch->harq_processes[harq_pid];
ulsch_harq->frame = frame;
ulsch_harq->subframe = subframe;
ulsch_harq->O_ACK = harq_information->harq_information_rel10.harq_size;
ulsch->beta_offset_harqack_times8 = to_beta_offset_harqack[harq_information->harq_information_rel10.delta_offset_harq];
if (eNB->frame_parms.frame_type == TDD) {
if (harq_information->harq_information_rel10.ack_nack_mode==0) //bundling
ulsch->bundling = 1;
}
}
uint16_t to_beta_offset_ri[16]= {9,13,16,20,25,32,40,50,64,80,101,127,160,0,0,0};
uint16_t to_beta_offset_cqi[16]= {0,0,9,10,11,13,14,16,18,20,23,25,28,32,40,50};
void handle_ulsch_cqi_ri_pdu(PHY_VARS_eNB *eNB,int UE_id,nfapi_ul_config_request_pdu_t *ul_config_pdu,uint16_t frame,uint8_t subframe) {
nfapi_ul_config_cqi_ri_information_rel9_t *rel9 = &ul_config_pdu->ulsch_cqi_ri_pdu.cqi_ri_information.cqi_ri_information_rel9;
LTE_eNB_ULSCH_t *ulsch = eNB->ulsch[UE_id];
int harq_pid = ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.harq_process_number;
LTE_UL_eNB_HARQ_t *ulsch_harq = ulsch->harq_processes[harq_pid];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
ulsch_harq->frame = frame;
ulsch_harq->subframe = subframe;
ulsch_harq->O_RI = rel9->aperiodic_cqi_pmi_ri_report.cc[0].ri_size;
ulsch_harq->Or1 = rel9->aperiodic_cqi_pmi_ri_report.cc[0].dl_cqi_pmi_size[0];
if (ulsch_harq->O_RI>1) ulsch_harq->Or2 = rel9->aperiodic_cqi_pmi_ri_report.cc[0].dl_cqi_pmi_size[1];
ulsch->beta_offset_ri_times8 = to_beta_offset_ri[rel9->delta_offset_ri];
ulsch->beta_offset_cqi_times8 = to_beta_offset_cqi[rel9->delta_offset_cqi];
LOG_D(PHY,"Filling ulsch_cqi_ri information for frame %d, subframe %d : O_RI %d, Or1 %d, beta_offset_cqi_times8 %d (%d)\n",
frame,subframe,ulsch_harq->O_RI,ulsch_harq->Or1,ulsch->beta_offset_cqi_times8,
rel9->delta_offset_cqi);
}
void handle_ulsch_cqi_harq_ri_pdu(PHY_VARS_eNB *eNB,int UE_id,nfapi_ul_config_request_pdu_t *ul_config_pdu,uint16_t frame,uint8_t subframe) {
nfapi_ul_config_cqi_ri_information_rel9_t *rel9 = &ul_config_pdu->ulsch_cqi_harq_ri_pdu.cqi_ri_information.cqi_ri_information_rel9;
LTE_eNB_ULSCH_t *ulsch = eNB->ulsch[UE_id];
int harq_pid = ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.harq_process_number;
LTE_UL_eNB_HARQ_t *ulsch_harq = ulsch->harq_processes[harq_pid];
nfapi_ul_config_ulsch_harq_information *harq_information = &ul_config_pdu->ulsch_cqi_harq_ri_pdu.harq_information;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
ulsch_harq->frame = frame;
ulsch_harq->subframe = subframe;
ulsch_harq->O_RI = rel9->aperiodic_cqi_pmi_ri_report.cc[0].ri_size;
ulsch_harq->Or1 = rel9->aperiodic_cqi_pmi_ri_report.cc[0].dl_cqi_pmi_size[0];
ulsch_harq->O_ACK = harq_information->harq_information_rel10.harq_size;
if (ulsch_harq->O_RI>1) ulsch_harq->Or2 = rel9->aperiodic_cqi_pmi_ri_report.cc[0].dl_cqi_pmi_size[1];
ulsch->beta_offset_harqack_times8 = to_beta_offset_harqack[harq_information->harq_information_rel10.delta_offset_harq];
ulsch->beta_offset_ri_times8 = to_beta_offset_ri[rel9->delta_offset_ri];
ulsch->beta_offset_cqi_times8 = to_beta_offset_cqi[rel9->delta_offset_cqi];
}
void handle_uci_harq_information(PHY_VARS_eNB *eNB, LTE_eNB_UCI *uci,nfapi_ul_config_harq_information *harq_information) {
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
if (eNB->frame_parms.frame_type == FDD) {
uci->num_pucch_resources = harq_information->harq_information_rel9_fdd.number_of_pucch_resources;
LOG_D(PHY,"Programming UCI HARQ mode %d : size %d in (%d,%d)\n",
harq_information->harq_information_rel9_fdd.ack_nack_mode,
harq_information->harq_information_rel9_fdd.harq_size,
uci->frame,uci->subframe);
if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 0) &&
(harq_information->harq_information_rel9_fdd.harq_size == 1)) {
uci->pucch_fmt = pucch_format1a;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 0) &&
(harq_information->harq_information_rel9_fdd.harq_size == 2)) {
uci->pucch_fmt = pucch_format1b;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 1) &&
(harq_information->harq_information_rel9_fdd.harq_size == 2)) {
uci->pucch_fmt = pucch_format1b_csA2;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
uci->n_pucch_1[1][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_1;
uci->n_pucch_1[1][1] = harq_information->harq_information_rel11.n_pucch_2_1;
} else if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 1) &&
(harq_information->harq_information_rel9_fdd.harq_size == 3)) {
uci->pucch_fmt = pucch_format1b_csA3;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
uci->n_pucch_1[1][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_1;
uci->n_pucch_1[1][1] = harq_information->harq_information_rel11.n_pucch_2_1;
uci->n_pucch_1[2][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_2;
uci->n_pucch_1[2][1] = harq_information->harq_information_rel11.n_pucch_2_2;
} else if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 1) &&
(harq_information->harq_information_rel9_fdd.harq_size == 4)) {
uci->pucch_fmt = pucch_format1b_csA4;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
uci->n_pucch_1[1][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_1;
uci->n_pucch_1[1][1] = harq_information->harq_information_rel11.n_pucch_2_1;
uci->n_pucch_1[2][0] = harq_information->harq_information_rel9_fdd.n_pucch_1_2;
uci->n_pucch_1[2][1] = harq_information->harq_information_rel11.n_pucch_2_2;
} else if (harq_information->harq_information_rel9_fdd.ack_nack_mode == 2) {
uci->pucch_fmt = pucch_format3;
uci->n_pucch_3[0] = harq_information->harq_information_rel9_fdd.n_pucch_1_0;
uci->n_pucch_3[1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else AssertFatal(1==0,"unsupported FDD HARQ mode %d size %d\n",harq_information->harq_information_rel9_fdd.ack_nack_mode,harq_information->harq_information_rel9_fdd.harq_size);
} else { // TDD
uci->num_pucch_resources = harq_information->harq_information_rel10_tdd.number_of_pucch_resources;
if (harq_information->harq_information_rel10_tdd.ack_nack_mode == 0) {//bundling
uci->pucch_fmt = harq_information->harq_information_rel10_tdd.harq_size==1 ? pucch_format1a : pucch_format1b;
uci->tdd_bundling = 1;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else if ((harq_information->harq_information_rel10_tdd.ack_nack_mode == 1) && //multiplexing
(uci->num_pucch_resources == 1)) {
uci->pucch_fmt = harq_information->harq_information_rel10_tdd.harq_size==1 ? pucch_format1a : pucch_format1b;
uci->tdd_bundling = 0;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else if ((harq_information->harq_information_rel10_tdd.ack_nack_mode == 1) && //multiplexing M>1
(uci->num_pucch_resources > 1)) {
uci->pucch_fmt = pucch_format1b;
uci->tdd_bundling = 0;
uci->n_pucch_1[0][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_0;
uci->n_pucch_1[0][1] = harq_information->harq_information_rel11.n_pucch_2_0;
uci->n_pucch_1[1][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_1;
uci->n_pucch_1[1][1] = harq_information->harq_information_rel11.n_pucch_2_1;
uci->n_pucch_1[2][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_2;
uci->n_pucch_1[2][1] = harq_information->harq_information_rel11.n_pucch_2_2;
uci->n_pucch_1[3][0] = harq_information->harq_information_rel10_tdd.n_pucch_1_3;
uci->n_pucch_1[3][1] = harq_information->harq_information_rel11.n_pucch_2_3;
} else if (harq_information->harq_information_rel10_tdd.ack_nack_mode == 2) {
uci->pucch_fmt = pucch_format3;
uci->n_pucch_3[0] = harq_information->harq_information_rel10_tdd.n_pucch_1_0;
uci->n_pucch_3[1] = harq_information->harq_information_rel11.n_pucch_2_0;
} else AssertFatal(1==0,"unsupported HARQ mode %d\n",harq_information->harq_information_rel10_tdd.ack_nack_mode);
}
}
void handle_uci_sr_pdu(PHY_VARS_eNB *eNB,
int UE_id,
nfapi_ul_config_request_pdu_t *ul_config_pdu,
uint16_t frame,
uint8_t subframe,
uint8_t srs_active) {
LTE_eNB_UCI *uci = &eNB->uci_vars[UE_id];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
uci->frame = frame;
uci->subframe = subframe;
uci->rnti = ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti;
uci->ue_id = find_ulsch(ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE);
uci->type = SR;
uci->pucch_fmt = pucch_format1;
uci->num_antenna_ports = 1;
uci->num_pucch_resources = 1;
uci->n_pucch_1_0_sr[0] = ul_config_pdu->uci_sr_pdu.sr_information.sr_information_rel8.pucch_index;
uci->srs_active = srs_active;
uci->active = 1;
uci->ue_type = ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel13.ue_type;
uci->empty_symbols = ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel13.empty_symbols;
uci->total_repetitions = ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel13.total_number_of_repetitions;
LOG_D(PHY,"Programming UCI SR rnti %x, pucch1_0 %d for (%d,%d)\n",
uci->rnti,
uci->n_pucch_1_0_sr[0],
frame,
subframe);
}
void handle_uci_sr_harq_pdu(PHY_VARS_eNB *eNB,int UE_id,nfapi_ul_config_request_pdu_t *ul_config_pdu,uint16_t frame,uint8_t subframe,uint8_t srs_active) {
LTE_eNB_UCI *uci = &eNB->uci_vars[UE_id];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
uci->frame = frame;
uci->subframe = subframe;
uci->rnti = ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel8.rnti;
uci->ue_id = find_ulsch(ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE);
uci->type = HARQ_SR;
uci->num_antenna_ports = 1;
uci->num_pucch_resources = 1;
uci->n_pucch_1_0_sr[0] = ul_config_pdu->uci_sr_harq_pdu.sr_information.sr_information_rel8.pucch_index;
uci->srs_active = srs_active;
uci->active = 1;
uci->ue_type = ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel13.ue_type;
uci->empty_symbols = ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel13.empty_symbols;
uci->total_repetitions = ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel13.total_number_of_repetitions;
handle_uci_harq_information(eNB,uci,&ul_config_pdu->uci_sr_harq_pdu.harq_information);
}
void handle_uci_harq_pdu(PHY_VARS_eNB *eNB,int UE_id,nfapi_ul_config_request_pdu_t *ul_config_pdu,uint16_t frame,uint8_t subframe,uint8_t srs_active) {
LTE_eNB_UCI *uci = &eNB->uci_vars[UE_id];
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
LOG_D(PHY,"Frame %d, Subframe %d: Programming UCI_HARQ process (type %d)\n",frame,subframe,HARQ);
uci->frame = frame;
uci->subframe = subframe;
uci->rnti = ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti;
uci->ue_id = find_ulsch(ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE);
uci->type = HARQ;
uci->srs_active = srs_active;
uci->num_antenna_ports = ul_config_pdu->uci_harq_pdu.harq_information.harq_information_rel11.num_ant_ports;
uci->ue_type = ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel13.ue_type;
uci->empty_symbols = ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel13.empty_symbols;
uci->total_repetitions = ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel13.total_number_of_repetitions;
handle_uci_harq_information(eNB,uci,&ul_config_pdu->uci_harq_pdu.harq_information);
uci->active=1;
}
void handle_srs_pdu(PHY_VARS_eNB *eNB,nfapi_ul_config_request_pdu_t *ul_config_pdu,uint16_t frame,uint8_t subframe) {
int i;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
for (i=0; i<NUMBER_OF_SRS_MAX; i++) {
if (eNB->soundingrs_ul_config_dedicated[i].active==1) continue;
eNB->soundingrs_ul_config_dedicated[i].active = 1;
eNB->soundingrs_ul_config_dedicated[i].frame = frame;
eNB->soundingrs_ul_config_dedicated[i].subframe = subframe;
eNB->soundingrs_ul_config_dedicated[i].rnti = ul_config_pdu->srs_pdu.srs_pdu_rel8.rnti;
eNB->soundingrs_ul_config_dedicated[i].srs_Bandwidth = ul_config_pdu->srs_pdu.srs_pdu_rel8.srs_bandwidth;
eNB->soundingrs_ul_config_dedicated[i].srs_HoppingBandwidth = ul_config_pdu->srs_pdu.srs_pdu_rel8.srs_hopping_bandwidth;
eNB->soundingrs_ul_config_dedicated[i].freqDomainPosition = ul_config_pdu->srs_pdu.srs_pdu_rel8.frequency_domain_position;
eNB->soundingrs_ul_config_dedicated[i].transmissionComb = ul_config_pdu->srs_pdu.srs_pdu_rel8.transmission_comb;
eNB->soundingrs_ul_config_dedicated[i].srs_ConfigIndex = ul_config_pdu->srs_pdu.srs_pdu_rel8.i_srs;
eNB->soundingrs_ul_config_dedicated[i].cyclicShift = ul_config_pdu->srs_pdu.srs_pdu_rel8.sounding_reference_cyclic_shift;
break;
}
AssertFatal(i<NUMBER_OF_SRS_MAX,"No room for SRS processing\n");
}
void handle_nfapi_ul_pdu(PHY_VARS_eNB *eNB,L1_rxtx_proc_t *proc,
nfapi_ul_config_request_pdu_t *ul_config_pdu,
uint16_t frame,uint8_t subframe,uint8_t srs_present) {
nfapi_ul_config_ulsch_pdu_rel8_t *rel8 = &ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8;
int16_t UE_id;
if (NFAPI_MODE==NFAPI_MODE_VNF) return;
// check if we have received a dci for this ue and ulsch descriptor is configured
if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_PDU_TYPE) {
//if (UE_id == find_ulsch(ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE)<0)
//for (int i=0;i<16;i++) if (eNB->ulsch[i]->harq_mask>0) LOG_I(PHY,"rnti %x, mask %x\n",eNB->ulsch[i]->rnti,eNB->ulsch[i]->harq_mask >0);
AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No existing UE ULSCH for rnti %x\n",rel8->rnti);
LOG_D(PHY,"Applying UL config for UE %d, rnti %x for frame %d, subframe %d, modulation %d, rvidx %d, first_rb %d, nb_rb %d\n", UE_id,rel8->rnti,frame,subframe,rel8->modulation_type,
rel8->redundancy_version,
rel8->resource_block_start,rel8->number_of_resource_blocks);
fill_ulsch(eNB,UE_id,&ul_config_pdu->ulsch_pdu,frame,subframe);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE) {
AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);
fill_ulsch(eNB,UE_id,&ul_config_pdu->ulsch_harq_pdu.ulsch_pdu,frame,subframe);
handle_ulsch_harq_pdu(eNB, UE_id, ul_config_pdu,
&ul_config_pdu->ulsch_harq_pdu.harq_information, frame, subframe);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE) {
AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,
eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);
fill_ulsch(eNB,UE_id,&ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu,frame,subframe);
handle_ulsch_cqi_ri_pdu(eNB,UE_id,ul_config_pdu,frame,subframe);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE) {
AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,
eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);
fill_ulsch(eNB,UE_id,&ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu,frame,subframe);
handle_ulsch_cqi_harq_ri_pdu(eNB,UE_id,ul_config_pdu,frame,subframe);
handle_ulsch_harq_pdu(eNB, UE_id, ul_config_pdu,
&ul_config_pdu->ulsch_cqi_harq_ri_pdu.harq_information, frame, subframe);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE) {
AssertFatal((UE_id = find_uci(ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti,
proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE UCI for rnti %x\n",ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti);
LOG_D(PHY,"Applying UL UCI_HARQ config for UE %d, rnti %x for frame %d, subframe %d\n",
UE_id,ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti,frame,subframe);
handle_uci_harq_pdu(eNB,UE_id,ul_config_pdu,frame,subframe,srs_present);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_PDU_TYPE) {
AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_PDU_TYPE not handled yet\n");
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE) {
AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE not handled yet\n");
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_SR_PDU_TYPE) {
AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_SR_PDU_TYPE not handled yet\n");
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_PDU_TYPE) {
AssertFatal((UE_id = find_uci(ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti,
proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE UCI for rnti %x\n",ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti);
handle_uci_sr_pdu(eNB,UE_id,ul_config_pdu,frame,subframe,srs_present);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE) {
AssertFatal((UE_id = find_uci(rel8->rnti,proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
"No available UE UCI for rnti %x\n",ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel8.rnti);
handle_uci_sr_harq_pdu(eNB,UE_id,ul_config_pdu,frame,subframe,srs_present);
} else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_SRS_PDU_TYPE) {
handle_srs_pdu(eNB,ul_config_pdu,frame,subframe);
}
}
void schedule_response(Sched_Rsp_t *Sched_INFO, void *arg) {
L1_rxtx_proc_t *proc = (L1_rxtx_proc_t *)arg;
PHY_VARS_eNB *eNB;
// copy data from L2 interface into L1 structures
module_id_t Mod_id = Sched_INFO->module_id;
uint8_t CC_id = Sched_INFO->CC_id;
nfapi_dl_config_request_t *DL_req = Sched_INFO->DL_req;
nfapi_hi_dci0_request_t *HI_DCI0_req = Sched_INFO->HI_DCI0_req;
nfapi_ul_config_request_t *UL_req = Sched_INFO->UL_req;
nfapi_tx_request_t *TX_req = Sched_INFO->TX_req;
frame_t frame = Sched_INFO->frame;
sub_frame_t subframe = Sched_INFO->subframe;
LTE_DL_FRAME_PARMS *fp;
uint8_t ul_subframe;
int ul_frame;
int harq_pid;
LTE_UL_eNB_HARQ_t *ulsch_harq;
AssertFatal(RC.eNB!=NULL,"RC.eNB is null\n");
AssertFatal(RC.eNB[Mod_id]!=NULL,"RC.eNB[%d] is null\n",Mod_id);
AssertFatal(RC.eNB[Mod_id][CC_id]!=NULL,"RC.eNB[%d][%d] is null\n",Mod_id,CC_id);
eNB = RC.eNB[Mod_id][CC_id];
fp = &eNB->frame_parms;
/* TODO: check that following line is correct - in the meantime it is disabled */
//if ((fp->frame_type == TDD) && (subframe_select(fp,subframe)==SF_UL)) return;
ul_subframe = pdcch_alloc2ul_subframe(fp,subframe);
ul_frame = pdcch_alloc2ul_frame(fp,frame,subframe);
// DJP - subframe assert will fail - not sure why yet
// DJP - AssertFatal(proc->subframe_tx == subframe, "Current subframe %d != NFAPI subframe %d\n",proc->subframe_tx,subframe);
// DJP - AssertFatal(proc->subframe_tx == subframe, "Current frame %d != NFAPI frame %d\n",proc->frame_tx,frame);
uint8_t number_pdcch_ofdm_symbols = DL_req->dl_config_request_body.number_pdcch_ofdm_symbols;
uint8_t number_dl_pdu = DL_req->dl_config_request_body.number_pdu;
uint8_t number_hi_dci0_pdu = HI_DCI0_req->hi_dci0_request_body.number_of_dci+HI_DCI0_req->hi_dci0_request_body.number_of_hi;
uint8_t number_ul_pdu = UL_req!=NULL ? UL_req->ul_config_request_body.number_of_pdus : 0;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_hi_dci0_request_pdu_t *hi_dci0_req_pdu;
nfapi_ul_config_request_pdu_t *ul_config_pdu;
eNB->pdcch_vars[subframe&1].num_pdcch_symbols = number_pdcch_ofdm_symbols;
eNB->pdcch_vars[subframe&1].num_dci = 0;
eNB->phich_vars[subframe&1].num_hi = 0;
eNB->mpdcch_vars[subframe&1].num_dci = 0;
LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SF:%04d%d DL_req:SFN/SF:%04d%d:dl_pdu:%d tx_req:SFN/SF:%04d%d:pdus:%d\n",
frame,subframe,
NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),number_dl_pdu,
NFAPI_SFNSF2SFN(TX_req->sfn_sf),NFAPI_SFNSF2SF(TX_req->sfn_sf),TX_req->tx_request_body.number_of_pdus
);
LOG_D(PHY,"NFAPI: hi_dci0:SFN/SF:%04d%d:pdus:%d\n",
NFAPI_SFNSF2SFN(HI_DCI0_req->sfn_sf),NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf),number_hi_dci0_pdu
);
if(UL_req!=NULL)
LOG_D(PHY,"NFAPI: ul_cfg:SFN/SF:%04d%d:pdus:%d num_pdcch_symbols:%d\n",
NFAPI_SFNSF2SFN(UL_req->sfn_sf),NFAPI_SFNSF2SF(UL_req->sfn_sf),number_ul_pdu,
eNB->pdcch_vars[subframe&1].num_pdcch_symbols);
int do_oai =0;
int dont_send =0;
/* TODO: check the following test - in the meantime it is put back as it was before */
//if ((ul_subframe<10)&&
// (subframe_select(fp,ul_subframe)==SF_UL)) { // This means that there is an ul_subframe that can be configured here
if (ul_subframe<10) { // This means that there is an ul_subframe that can be configured here
LOG_D(PHY,"NFAPI: Clearing dci allocations for potential UL subframe %d\n",ul_subframe);
harq_pid = subframe2harq_pid(fp,ul_frame,ul_subframe);
// clear DCI allocation maps for new subframe
if (NFAPI_MODE!=NFAPI_MODE_VNF)
for (int i=0; i<NUMBER_OF_ULSCH_MAX; i++) {
if (eNB->ulsch[i]!=NULL) {
ulsch_harq = eNB->ulsch[i]->harq_processes[harq_pid];
ulsch_harq->dci_alloc=0;
ulsch_harq->rar_alloc=0;
}
}
}
for (int i=0; i<number_dl_pdu; i++) {
dl_config_pdu = &DL_req->dl_config_request_body.dl_config_pdu_list[i];
//LOG_D(PHY,"NFAPI: dl_pdu %d : type %d\n",i,dl_config_pdu->pdu_type);
switch (dl_config_pdu->pdu_type) {
case NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE:
if (NFAPI_MODE!=NFAPI_MODE_VNF)
handle_nfapi_dci_dl_pdu(eNB,NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),proc,dl_config_pdu);
eNB->pdcch_vars[NFAPI_SFNSF2SF(DL_req->sfn_sf)&1].num_dci++;
//LOG_E(PHY,"Incremented num_dci:%d but already set??? dl_config:num_dci:%d\n", eNB->pdcch_vars[subframe&1].num_dci, number_dci);
do_oai=1;
break;
case NFAPI_DL_CONFIG_BCH_PDU_TYPE:
AssertFatal(dl_config_pdu->bch_pdu.bch_pdu_rel8.pdu_index<TX_req->tx_request_body.number_of_pdus,
"bch_pdu_rel8.pdu_index>=TX_req->number_of_pdus (%d>%d)\n",
dl_config_pdu->bch_pdu.bch_pdu_rel8.pdu_index,
TX_req->tx_request_body.number_of_pdus);
eNB->pbch_configured=1;
do_oai=1;
//LOG_D(PHY,"%s() NFAPI_DL_CONFIG_BCH_PDU_TYPE TX:%d/%d RX:%d/%d TXREQ:%d/%d\n",
//__FUNCTION__, proc->frame_tx, proc->subframe_tx, proc->frame_rx, proc->subframe_rx, NFAPI_SFNSF2SFN(TX_req->sfn_sf), NFAPI_SFNSF2SF(TX_req->sfn_sf));
if (NFAPI_MODE!=NFAPI_MODE_VNF)
handle_nfapi_bch_pdu(eNB,proc,dl_config_pdu,
TX_req->tx_request_body.tx_pdu_list[dl_config_pdu->bch_pdu.bch_pdu_rel8.pdu_index].segments[0].segment_data);
break;
case NFAPI_DL_CONFIG_MCH_PDU_TYPE:{
// handle_nfapi_mch_dl_pdu(eNB,dl_config_pdu);
//AssertFatal(1==0,"OK\n");
nfapi_dl_config_mch_pdu_rel8_t *mch_pdu_rel8 = &dl_config_pdu->mch_pdu.mch_pdu_rel8;
uint16_t pdu_index = mch_pdu_rel8->pdu_index;
uint16_t tx_pdus = TX_req->tx_request_body.number_of_pdus;
uint16_t invalid_pdu = pdu_index == -1;
uint8_t *sdu = invalid_pdu ? NULL : pdu_index >= tx_pdus ? NULL : TX_req->tx_request_body.tx_pdu_list[pdu_index].segments[0].segment_data;
LOG_D(PHY,"%s() [PDU:%d] NFAPI_DL_CONFIG_MCH_PDU_TYPE SFN/SF:%04d%d TX:%d/%d RX:%d/%d pdu_index:%d sdu:%p\n",
__FUNCTION__, i,
NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),
proc->frame_tx, proc->subframe_tx,
proc->frame_rx, proc->subframe_rx,
pdu_index, sdu);
if (sdu) { //sdu != NULL)
if (NFAPI_MODE!=NFAPI_MODE_VNF)
handle_nfapi_mch_pdu(eNB,NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),proc,dl_config_pdu, sdu);
} else {
dont_send=1;
LOG_E(MAC,"%s() NFAPI_DL_CONFIG_MCH_PDU_TYPE sdu is NULL DL_CFG:SFN/SF:%d:pdu_index:%d TX_REQ:SFN/SF:%d:pdus:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(DL_req->sfn_sf), pdu_index,
NFAPI_SFNSF2DEC(TX_req->sfn_sf), tx_pdus);
}
do_oai=1;
}
break;
case NFAPI_DL_CONFIG_DLSCH_PDU_TYPE: {
nfapi_dl_config_dlsch_pdu_rel8_t *dlsch_pdu_rel8 = &dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8;
uint16_t pdu_index = dlsch_pdu_rel8->pdu_index;
uint16_t tx_pdus = TX_req->tx_request_body.number_of_pdus;
uint16_t invalid_pdu = pdu_index == -1;
uint8_t *sdu = invalid_pdu ? NULL : pdu_index >= tx_pdus ? NULL : TX_req->tx_request_body.tx_pdu_list[pdu_index].segments[0].segment_data;
LOG_D(PHY,"%s() [PDU:%d] NFAPI_DL_CONFIG_DLSCH_PDU_TYPE SFN/SF:%04d%d TX:%d/%d RX:%d/%d transport_blocks:%d pdu_index:%d sdu:%p\n",
__FUNCTION__, i,
NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),
proc->frame_tx, proc->subframe_tx,
proc->frame_rx, proc->subframe_rx,
dlsch_pdu_rel8->transport_blocks, pdu_index, sdu);
/*
AssertFatal(dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index<TX_req->tx_request_body.number_of_pdus,
"dlsch_pdu_rel8.pdu_index>=TX_req->number_of_pdus (%d>%d)\n",
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index,
TX_req->tx_request_body.number_of_pdus);
*/
AssertFatal((dlsch_pdu_rel8->transport_blocks<3) &&
(dlsch_pdu_rel8->transport_blocks>0),
"dlsch_pdu_rel8->transport_blocks = %d not in [1,2]\n",
dlsch_pdu_rel8->transport_blocks);
if (1) { //sdu != NULL)
if (NFAPI_MODE!=NFAPI_MODE_VNF)
handle_nfapi_dlsch_pdu(eNB,NFAPI_SFNSF2SFN(DL_req->sfn_sf),NFAPI_SFNSF2SF(DL_req->sfn_sf),proc,dl_config_pdu, dlsch_pdu_rel8->transport_blocks-1, sdu);
} else {
dont_send=1;
LOG_E(MAC,"%s() NFAPI_DL_CONFIG_DLSCH_PDU_TYPE sdu is NULL DL_CFG:SFN/SF:%d:pdu_index:%d TX_REQ:SFN/SF:%d:pdus:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(DL_req->sfn_sf), pdu_index,
NFAPI_SFNSF2DEC(TX_req->sfn_sf), tx_pdus);
}
// Send the data first so that the DL_CONFIG can just pluck it out of the buffer
// DJP - OAI was here - moved to bottom
do_oai=1;
/*
if (dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti == eNB->preamble_list[0].preamble_rel8.rnti) {// is RAR pdu
LOG_D(PHY,"Frame %d, Subframe %d: Received LTE RAR pdu, programming based on UL Grant\n",frame,subframe);
generate_eNB_ulsch_params_from_rar(eNB,
TX_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
frame,
subframe);
} */
}
break;
case NFAPI_DL_CONFIG_PCH_PDU_TYPE:
// handle_nfapi_pch_pdu(eNB,dl_config_pdu);
break;
case NFAPI_DL_CONFIG_PRS_PDU_TYPE:
// handle_nfapi_prs_pdu(eNB,dl_config_pdu);
break;
case NFAPI_DL_CONFIG_CSI_RS_PDU_TYPE:
// handle_nfapi_csi_rs_pdu(eNB,dl_config_pdu);
break;
case NFAPI_DL_CONFIG_EPDCCH_DL_PDU_TYPE:
// handle_nfapi_epdcch_pdu(eNB,dl_config_pdu);
break;
case NFAPI_DL_CONFIG_MPDCCH_PDU_TYPE:
if (NFAPI_MODE!=NFAPI_MODE_VNF)
handle_nfapi_mpdcch_pdu(eNB,proc,dl_config_pdu);
eNB->mpdcch_vars[subframe&1].num_dci++;
break;
}
}
if ((NFAPI_MODE!=NFAPI_MONOLITHIC) && do_oai && !dont_send) {
if(Sched_INFO->TX_req->tx_request_body.number_of_pdus > 0) {
Sched_INFO->TX_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_tx_req(Sched_INFO->TX_req);
}
Sched_INFO->DL_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_dl_config_req(Sched_INFO->DL_req); // DJP - .dl_config_request_body.dl_config_pdu_list[0]); // DJP - FIXME TODO - yuk - only copes with 1 pdu
Sched_INFO->UE_release_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_ue_release_req(Sched_INFO->UE_release_req);
}
if ((NFAPI_MODE!=NFAPI_MONOLITHIC) && number_hi_dci0_pdu!=0) {
HI_DCI0_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_hi_dci0_req(HI_DCI0_req);
eNB->pdcch_vars[NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf)&1].num_dci=0;
eNB->pdcch_vars[NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf)&1].num_pdcch_symbols=0;
}
if (NFAPI_MODE!=NFAPI_MODE_VNF)
for (int i=0; i<number_hi_dci0_pdu; i++) {
hi_dci0_req_pdu = &HI_DCI0_req->hi_dci0_request_body.hi_dci0_pdu_list[i];
LOG_D(PHY,"NFAPI: hi_dci0_pdu %d : type %d\n",i,hi_dci0_req_pdu->pdu_type);
switch (hi_dci0_req_pdu->pdu_type) {
case NFAPI_HI_DCI0_DCI_PDU_TYPE:
handle_nfapi_hi_dci0_dci_pdu(eNB,NFAPI_SFNSF2SFN(HI_DCI0_req->sfn_sf),NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf),proc,hi_dci0_req_pdu);
eNB->pdcch_vars[NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf)&1].num_dci++;
break;
case NFAPI_HI_DCI0_MPDCCH_DCI_PDU_TYPE:
handle_nfapi_hi_dci0_mpdcch_dci_pdu(eNB,proc,hi_dci0_req_pdu);
eNB->mpdcch_vars[subframe&1].num_dci++;
break;
case NFAPI_HI_DCI0_HI_PDU_TYPE:
handle_nfapi_hi_dci0_hi_pdu(eNB,NFAPI_SFNSF2SFN(HI_DCI0_req->sfn_sf),NFAPI_SFNSF2SF(HI_DCI0_req->sfn_sf),proc,hi_dci0_req_pdu);
break;
}
}
if (NFAPI_MODE!=NFAPI_MONOLITHIC) {
if (number_ul_pdu>0) {
uint8_t ulsch_pdu_num = 0;
for (int i=0; i<number_ul_pdu; i++) {
if((UL_req->ul_config_request_body.ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_PDU_TYPE) ||
(UL_req->ul_config_request_body.ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE) ||
(UL_req->ul_config_request_body.ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE) ||
(UL_req->ul_config_request_body.ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE)){
ulsch_pdu_num++;
}
}
if (RC.mac[Mod_id]->scheduler_mode == SCHED_MODE_DEFAULT) {
//LOG_D(PHY, "UL_CONFIG to send to PNF\n");
UL_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_ul_config_req(UL_req);
UL_req->ul_config_request_body.number_of_pdus=0;
number_ul_pdu=0;
}else if (RC.mac[Mod_id]->scheduler_mode == SCHED_MODE_FAIR_RR) {
if(ulsch_pdu_num <= RC.rrc[Mod_id]->configuration.radioresourceconfig[CC_id].ue_multiple_max){
UL_req->sfn_sf = frame << 4 | subframe;
oai_nfapi_ul_config_req(UL_req);
UL_req->ul_config_request_body.number_of_pdus=0;
number_ul_pdu=0;
}else{
LOG_E(MAC,"NFAPI: frame %d subframe %d ul_req num %d ul pdu %d\n",
frame,subframe,number_ul_pdu,ulsch_pdu_num);
}
}
}
} else {
for (int i=0; i<number_ul_pdu; i++) {
ul_config_pdu = &UL_req->ul_config_request_body.ul_config_pdu_list[i];
LOG_D(PHY,"NFAPI: ul_pdu %d : type %d\n",i,ul_config_pdu->pdu_type);
AssertFatal(ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_PDU_TYPE ||
ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE
,
"Optional UL_PDU type %d not supported\n",ul_config_pdu->pdu_type);
handle_nfapi_ul_pdu(eNB,proc,ul_config_pdu,UL_req->sfn_sf>>4,UL_req->sfn_sf&0xf,UL_req->ul_config_request_body.srs_present);
}
}
}
/*Dummy functions*/
int memcpy_dl_config_req (L1_rxtx_proc_t *proc, nfapi_pnf_p7_config_t *pnf_p7, nfapi_dl_config_request_t *req) {
return 0;
}
int memcpy_ul_config_req (L1_rxtx_proc_t *proc, nfapi_pnf_p7_config_t *pnf_p7, nfapi_ul_config_request_t *req) {
return 0;
}
int memcpy_hi_dci0_req (nfapi_pnf_p7_config_t *pnf_p7, nfapi_hi_dci0_request_t *req) {
return 0;
}
int memcpy_tx_req (nfapi_pnf_p7_config_t *pnf_p7, nfapi_tx_request_t *req) {
return 0;
}
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