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openairinterface5g/openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
T
Thomas Schlichter aea3bc2d42 Merge remote-tracking branch 'NR_RRC_harq_hacks' 
Conflicts:
	openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_ue.c
	openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
	openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
	openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
2020-07-09 10:27:27 +02:00

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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 "PHY/defs_nr_UE.h"
#include "NR_IF_Module.h"
#include "NR_MAC_UE/mac_proto.h"
#include "assertions.h"
#include "NR_MAC_UE/mac_extern.h"
#include "SCHED_NR_UE/fapi_nr_ue_l1.h"
#include "executables/softmodem-common.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(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(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_indication_pdu_t *dci){
//printf("handle_dci: rnti %x,dci_type %d\n",rnti,dci_type);
return nr_ue_process_dci_indication_pdu(module_id, cc_id, gNB_index, dci);
}
// 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, frame_t frame, int slot, NR_UL_TIME_ALIGNMENT_t *ul_time_alignment){
LOG_D(MAC, "handle_dlsch at MAC layer \n");
//if (IS_SOFTMODEM_NOS1 || IS_SOFTMODEM_RFSIM)
// sdu should be processed even when is S1 mode because data and timing advance updates are transmitted by the UE
nr_ue_send_sdu(module_id, cc_id, frame, slot,
pduP,
pdu_len,
gNB_index,
ul_time_alignment);
return 0;
/*
return nr_ue_process_dlsch(module_id,
cc_id,
gNB_index,
dci_ind,
pduP,
pdu_len);
*/
}
int8_t handle_rar (nr_downlink_indication_t *dl_info){
LOG_D(MAC, "handling RAR at MAC layer \n");
nr_process_rar (dl_info);
return 0;
}
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(NULL, ul_info);
if (is_nr_UL_slot(mac->scc, ul_info->slot_tx) && get_softmodem_params()->do_ra){
nr_ue_prach_scheduler(module_id, ul_info->frame_tx, ul_info->slot_tx);
}
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, NR_UL_TIME_ALIGNMENT_t *ul_time_alignment){
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;
if (!dl_info->dci_ind && !dl_info->rx_ind) {
// UL indication to schedule reception DCI reception
nr_ue_scheduler(dl_info, NULL);
} else {
// UL indication after reception of DCI or DL PDU
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_D(MAC,">>>NR_IF_Module i=%d, dl_info->dci_ind->number_of_dcis=%d\n",i,dl_info->dci_ind->number_of_dcis);
ret_mask |= (handle_dci(dl_info->module_id,
dl_info->cc_id,
dl_info->gNB_index,
dl_info->dci_ind->dci_list+i)<< FAPI_NR_DCI_IND);
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);
}
}
if(dl_info->rx_ind != NULL){
LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][RX_IND], Number of PDUs: %d \n", dl_info->rx_ind->number_pdus);
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->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;
LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][RX_IND], MIB case Number of PDUs: %d \n", dl_info->rx_ind->number_pdus);
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 |= (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,
dl_info->frame,
dl_info->slot,
ul_time_alignment)) << FAPI_NR_RX_PDU_TYPE_DLSCH;
LOG_D(MAC,"[L2][IF MODULE][DL INDICATION][RX_IND], DLSCH case Number of PDUs: %d \n", dl_info->rx_ind->number_pdus);
break;
case FAPI_NR_RX_PDU_TYPE_RAR:
ret_mask |= (handle_rar(dl_info)) << FAPI_NR_RX_PDU_TYPE_RAR;
break;
default:
break;
}
}
}
//clean up nr_downlink_indication_t *dl_info
dl_info->rx_ind = NULL;
dl_info->dci_ind = NULL;
}
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);
dl_config->sfn=UE_mac->dl_config_request.sfn;
dl_config->slot=UE_mac->dl_config_request.slot;
dl_config->number_pdus=0;
//printf(" UE_mac->dl_config_request.slot %d VS dcireq->slot %d \n", UE_mac->dl_config_request.slot, dcireq->slot);
LOG_D(PHY, "Entering UE DCI configuration frame %d slot %d \n", dcireq->frame, dcireq->slot);
ue_dci_configuration(UE_mac, dl_config, dcireq->frame, dcireq->slot);
return 0;
}
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