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231836ebbd6347f9733156af7fef7e7a5b959cd5
openairinterface5g/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
T
Florian Kaltenberger 2da6fb8efb fixing a bug in adjust_sync 
removing printfs
2019-04-09 09:06:00 +02:00

327 lines
12 KiB
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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 NR_IF_Module.c
* \brief functions for NR UE FAPI-like interface
* \author R. Knopp, K.H. HSU
* \date 2018
* \version 0.1
* \company Eurecom / NTUST
* \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr
* \note
* \warning
*/
#include "NR_IF_Module.h"
#include "mac_proto.h"
#include "assertions.h"
#include "LAYER2/NR_MAC_UE/mac_extern.h"
#include "SCHED_NR_UE/fapi_nr_ue_l1.h"
#include <stdio.h>
#define MAX_IF_MODULES 100
static nr_ue_if_module_t *nr_ue_if_module_inst[MAX_IF_MODULES];
// L2 Abstraction Layer
int handle_bcch_bch(UE_nr_rxtx_proc_t *proc, module_id_t module_id, int cc_id, unsigned int gNB_index, uint8_t *pduP, unsigned int additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id){
return nr_ue_decode_mib( proc,
module_id,
cc_id,
gNB_index,
additional_bits,
ssb_length, // Lssb = 64 is not support
ssb_index,
pduP,
cell_id);
}
// L2 Abstraction Layer
int handle_bcch_dlsch(module_id_t module_id, int cc_id, unsigned int gNB_index, uint32_t sibs_mask, uint8_t *pduP, uint32_t pdu_len){
return 0;
}
// L2 Abstraction Layer
int handle_dci(module_id_t module_id, int cc_id, unsigned int gNB_index, fapi_nr_dci_pdu_rel15_t *dci, uint16_t rnti, uint32_t dci_type){
//printf("handle_dci: rnti %x,dci_type %d\n",rnti,dci_type);
return nr_ue_process_dci(module_id, cc_id, gNB_index, dci, rnti, dci_type);
}
// L2 Abstraction Layer
int8_t handle_dlsch (module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, uint8_t *pduP, uint32_t pdu_len){
// return 0;
return nr_ue_process_dlsch( module_id,
cc_id,
gNB_index,
dci_ind,
pduP,
pdu_len);
}
int nr_ue_ul_indication(nr_uplink_indication_t *ul_info){
NR_UE_L2_STATE_t ret;
module_id_t module_id = ul_info->module_id;
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
// clean previous FAPI messages
mac->tx_request.number_of_pdus = 0;
mac->ul_config_request.number_pdus = 0;
mac->dl_config_request.number_pdus = 0;
// clean previous FAPI messages
ret = nr_ue_scheduler(
ul_info->module_id,
ul_info->gNB_index,
ul_info->cc_id,
ul_info->frame,
ul_info->slot,
ul_info->ssb_index,
0, 0); // TODO check tx/rx frame/slot is need for NR version
switch(ret){
case UE_CONNECTION_OK:
break;
case UE_CONNECTION_LOST:
break;
case UE_PHY_RESYNCH:
break;
case UE_PHY_HO_PRACH:
break;
default:
break;
}
mac->if_module->scheduled_response(&mac->scheduled_response);
return 0;
}
int nr_ue_dl_indication(nr_downlink_indication_t *dl_info){
int32_t i;
uint32_t ret_mask = 0x0;
module_id_t module_id = dl_info->module_id;
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
fapi_nr_dl_config_request_t *dl_config = &mac->dl_config_request;
fapi_nr_ul_config_request_t *ul_config = &mac->ul_config_request;
dl_config->number_pdus = 0;
ul_config->number_pdus = 0;
//hook up pointers
mac->scheduled_response.dl_config = dl_config;
mac->scheduled_response.ul_config = ul_config;
mac->scheduled_response.tx_request = &mac->tx_request;
mac->scheduled_response.module_id = dl_info->module_id;
mac->scheduled_response.CC_id = dl_info->cc_id;
mac->scheduled_response.frame = dl_info->frame;
mac->scheduled_response.slot = dl_info->slot;
if(dl_info->dci_ind != NULL){
LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][DCI_IND]\n");
for(i=0; i<dl_info->dci_ind->number_of_dcis; ++i){
LOG_I(MAC,">>>NR_IF_Module i=%d, dl_info->dci_ind->number_of_dcis=%d\n",i,dl_info->dci_ind->number_of_dcis);
fapi_nr_dci_pdu_rel15_t *dci = &dl_info->dci_ind->dci_list[i].dci;
ret_mask |= (handle_dci(
dl_info->module_id,
dl_info->cc_id,
dl_info->gNB_index,
dci,
(dl_info->dci_ind->dci_list+i)->rnti,
(dl_info->dci_ind->dci_list+i)->dci_format)) << FAPI_NR_DCI_IND;
/*switch((dl_info->dci_ind->dci_list+i)->dci_type){
case FAPI_NR_DCI_TYPE_0_0:
case FAPI_NR_DCI_TYPE_0_1:
case FAPI_NR_DCI_TYPE_1_1:
case FAPI_NR_DCI_TYPE_2_0:
case FAPI_NR_DCI_TYPE_2_1:
case FAPI_NR_DCI_TYPE_2_2:
case FAPI_NR_DCI_TYPE_2_3:
AssertFatal(1==0, "Not yet support at this moment!\n");
break;
case FAPI_NR_DCI_TYPE_1_0:
dl_config->dl_config_list[dl_config->number_pdus].pdu_type = FAPI_NR_DL_CONFIG_TYPE_DLSCH;
// mapping into DL_CONFIG_REQ for DL-SCH
fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config_pdu = &dl_config->dl_config_list[dl_config->number_pdus].dlsch_config_pdu.dlsch_config_rel15;
dl_config->dl_config_list[dl_config->number_pdus].dlsch_config_pdu.rnti = 0x0000; // TX RNTI: UE-spec
memcpy(dlsch_config_pdu, dci, sizeof(fapi_nr_dci_pdu_rel15_t));
dl_config->number_pdus = dl_config->number_pdus + 1;
ret_mask |= (handle_dci(
dl_info->module_id,
dl_info->cc_id,
dl_info->gNB_index,
dci,
(dl_info->dci_ind->dci_list+i)->rnti,
(dl_info->dci_ind->dci_list+i)->dci_type)) << FAPI_NR_DCI_IND;
break;
default:
break;
}*/
//(dl_info->dci_list+i)->rnti
}
}
if(dl_info->rx_ind != NULL){
LOG_I(MAC,"[L2][IF MODULE][DL INDICATION][RX_IND]\n");
for(i=0; i<dl_info->rx_ind->number_pdus; ++i){
switch(dl_info->rx_ind->rx_indication_body[i].pdu_type){
case FAPI_NR_RX_PDU_TYPE_MIB:
ret_mask |= (handle_bcch_bch( dl_info->proc,
dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.additional_bits,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_index,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.ssb_length,
(dl_info->rx_ind->rx_indication_body+i)->mib_pdu.cell_id )) << FAPI_NR_RX_PDU_TYPE_MIB;
break;
case FAPI_NR_RX_PDU_TYPE_SIB:
ret_mask |= (handle_bcch_dlsch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index,
(dl_info->rx_ind->rx_indication_body+i)->sib_pdu.sibs_mask,
(dl_info->rx_ind->rx_indication_body+i)->sib_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->sib_pdu.pdu_length )) << FAPI_NR_RX_PDU_TYPE_SIB;
break;
case FAPI_NR_RX_PDU_TYPE_DLSCH:
// ret_mask |= (0) << FAPI_NR_RX_PDU_TYPE_DLSCH;
ret_mask |= (handle_dlsch(dl_info->module_id, dl_info->cc_id, dl_info->gNB_index, dl_info->dci_ind,
(dl_info->rx_ind->rx_indication_body+i)->pdsch_pdu.pdu,
(dl_info->rx_ind->rx_indication_body+i)->pdsch_pdu.pdu_length)) << FAPI_NR_RX_PDU_TYPE_DLSCH;
break;
default:
break;
}
}
}
//clean up nr_downlink_indication_t *dl_info
dl_info->rx_ind = NULL;
dl_info->dci_ind = NULL;
AssertFatal( nr_ue_if_module_inst[module_id] != NULL, "IF module is void!\n" );
nr_ue_if_module_inst[module_id]->scheduled_response(&mac->scheduled_response);
return 0;
}
nr_ue_if_module_t *nr_ue_if_module_init(uint32_t module_id){
if (nr_ue_if_module_inst[module_id] == NULL) {
nr_ue_if_module_inst[module_id] = (nr_ue_if_module_t *)malloc(sizeof(nr_ue_if_module_t));
memset((void*)nr_ue_if_module_inst[module_id],0,sizeof(nr_ue_if_module_t));
nr_ue_if_module_inst[module_id]->cc_mask=0;
nr_ue_if_module_inst[module_id]->current_frame = 0;
nr_ue_if_module_inst[module_id]->current_slot = 0;
nr_ue_if_module_inst[module_id]->phy_config_request = nr_ue_phy_config_request;
nr_ue_if_module_inst[module_id]->scheduled_response = nr_ue_scheduled_response;
nr_ue_if_module_inst[module_id]->dl_indication = nr_ue_dl_indication;
nr_ue_if_module_inst[module_id]->ul_indication = nr_ue_ul_indication;
}
return nr_ue_if_module_inst[module_id];
}
int nr_ue_if_module_kill(uint32_t module_id) {
if (nr_ue_if_module_inst[module_id] != NULL){
free(nr_ue_if_module_inst[module_id]);
}
return 0;
}
int nr_ue_dcireq(nr_dcireq_t *dcireq) {
fapi_nr_dl_config_request_t *dl_config=&dcireq->dl_config_req;
NR_UE_MAC_INST_t *UE_mac = get_mac_inst(0);
// Type0 PDCCH search space
dl_config->number_pdus = 1;
dl_config->dl_config_list[0].pdu_type = FAPI_NR_DL_CONFIG_TYPE_DCI;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.rnti = 0x1234; // to be set
uint64_t mask = 0x0;
uint16_t num_rbs=24;
uint16_t rb_offset=0;
uint16_t cell_id=0;
uint16_t num_symbols=2;
for(int i=0; i<(num_rbs/6); ++i){ // 38.331 Each bit corresponds a group of 6 RBs
mask = mask >> 1;
mask = mask | 0x100000000000;
}
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.frequency_domain_resource = mask;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.rb_offset = rb_offset; // additional parameter other than coreset
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.duration = num_symbols;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.cce_reg_mapping_type =CCE_REG_MAPPING_TYPE_NON_INTERLEAVED;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.cce_reg_interleaved_reg_bundle_size = 0; // L 38.211 7.3.2.2
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.cce_reg_interleaved_interleaver_size = 0; // R 38.211 7.3.2.2
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.cce_reg_interleaved_shift_index = cell_id;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.precoder_granularity = PRECODER_GRANULARITY_SAME_AS_REG_BUNDLE;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.coreset.pdcch_dmrs_scrambling_id = cell_id;
uint32_t number_of_search_space_per_slot=1;
uint32_t first_symbol_index=0;
uint32_t search_space_duration=0; // element of search space
uint32_t coreset_duration; // element of coreset
coreset_duration = num_symbols * number_of_search_space_per_slot;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.number_of_candidates[0] = table_38213_10_1_1_c2[0];
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.number_of_candidates[1] = table_38213_10_1_1_c2[1];
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.number_of_candidates[2] = table_38213_10_1_1_c2[2]; // CCE aggregation level = 4
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.number_of_candidates[3] = table_38213_10_1_1_c2[3]; // CCE aggregation level = 8
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.number_of_candidates[4] = table_38213_10_1_1_c2[4]; // CCE aggregation level = 16
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.duration = search_space_duration;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.monitoring_symbols_within_slot = (0x3fff << first_symbol_index) & (0x3fff >> (14-coreset_duration-first_symbol_index)) & 0x3fff;
dl_config->dl_config_list[0].dci_config_pdu.dci_config_rel15.N_RB_BWP = UE_mac->initial_bwp_dl.N_RB;
return 0;
}
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