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openairinterface5g/openair2/LAYER2/NR_MAC_gNB/config.c
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WEI-TAI CHEN 754c92d4e2 signature
2018-07-13 02:02:08 -07:00

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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 config.c
* \brief gNB configuration performed by RRC or as a consequence of RRC procedures
* \author Navid Nikaein and Raymond Knopp, WEI-TAI CHEN
* \date 2010 - 2014, 2018
* \version 0.1
* \company Eurecom, NTUST
* \email: navid.nikaein@eurecom.fr, kroempa@gmail.com
* @ingroup _mac
*/
#include "COMMON/platform_types.h"
#include "COMMON/platform_constants.h"
#include "common/ran_context.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "NR_BCCH-BCH-Message.h"
#include "NR_ServingCellConfigCommon.h"
#include "LAYER2/NR_MAC_gNB/mac_proto.h"
extern RAN_CONTEXT_t RC;
//extern int l2_init_gNB(void);
extern void mac_top_init_gNB(void);
extern uint8_t nfapi_mode;
int32_t **rxdata;
int32_t **txdata;
typedef struct eutra_bandentry_s {
int16_t band;
uint32_t ul_min;
uint32_t ul_max;
uint32_t dl_min;
uint32_t dl_max;
uint32_t N_OFFs_DL;
} eutra_bandentry_t;
typedef struct band_info_s {
int nbands;
eutra_bandentry_t band_info[100];
} band_info_t;
static const eutra_bandentry_t eutra_bandtable[] = {
{1, 19200, 19800, 21100, 21700, 0},
{2, 18500, 19100, 19300, 19900, 6000},
{3, 17100, 17850, 18050, 18800, 12000},
{4, 17100, 17550, 21100, 21550, 19500},
{5, 8240, 8490, 8690, 8940, 24000},
{6, 8300, 8400, 8750, 8850, 26500},
{7, 25000, 25700, 26200, 26900, 27500},
{8, 8800, 9150, 9250, 9600, 34500},
{9, 17499, 17849, 18449, 18799, 38000},
{10, 17100, 17700, 21100, 21700, 41500},
{11, 14279, 14529, 14759, 15009, 47500},
{12, 6980, 7160, 7280, 7460, 50100},
{13, 7770, 7870, 7460, 7560, 51800},
{14, 7880, 7980, 7580, 7680, 52800},
{17, 7040, 7160, 7340, 7460, 57300},
{18, 8150, 9650, 8600, 10100, 58500},
{19, 8300, 8450, 8750, 8900, 60000},
{20, 8320, 8620, 7910, 8210, 61500},
{21, 14479, 14629, 14959, 15109, 64500},
{22, 34100, 34900, 35100, 35900, 66000},
{23, 20000, 20200, 21800, 22000, 75000},
{24, 16126, 16605, 15250, 15590, 77000},
{25, 18500, 19150, 19300, 19950, 80400},
{26, 8140, 8490, 8590, 8940, 86900},
{27, 8070, 8240, 8520, 8690, 90400},
{28, 7030, 7580, 7580, 8130, 92100},
{29, 0, 0, 7170, 7280, 96600},
{30, 23050, 23250, 23500, 23600, 97700},
{31, 45250, 34900, 46250, 35900, 98700},
{32, 0, 0, 14520, 14960, 99200},
{33, 19000, 19200, 19000, 19200, 36000},
{34, 20100, 20250, 20100, 20250, 36200},
{35, 18500, 19100, 18500, 19100, 36350},
{36, 19300, 19900, 19300, 19900, 36950},
{37, 19100, 19300, 19100, 19300, 37550},
{38, 25700, 26200, 25700, 26300, 37750},
{39, 18800, 19200, 18800, 19200, 38250},
{40, 23000, 24000, 23000, 24000, 38650},
{41, 24960, 26900, 24960, 26900, 39650},
{42, 34000, 36000, 34000, 36000, 41590},
{43, 36000, 38000, 36000, 38000, 43590},
{44, 7030, 8030, 7030, 8030, 45590},
{45, 14470, 14670, 14470, 14670, 46590},
{46, 51500, 59250, 51500, 59250, 46790},
{65, 19200, 20100, 21100, 22000, 65536},
{66, 17100, 18000, 21100, 22000, 66436},
{67, 0, 0, 7380, 7580, 67336},
{68, 6980, 7280, 7530, 7830, 67536}
};
uint32_t nr_to_earfcn(int eutra_bandP, uint32_t dl_CarrierFreq, uint32_t bw)
{
uint32_t dl_CarrierFreq_by_100k = dl_CarrierFreq / 100000;
int bw_by_100 = bw / 100;
int i;
AssertFatal(eutra_bandP < 69, "eutra_band %d > 68\n", eutra_bandP);
for (i = 0; i < 69 && eutra_bandtable[i].band != eutra_bandP; i++);
AssertFatal(dl_CarrierFreq_by_100k >= eutra_bandtable[i].dl_min,
"Band %d, bw %u : DL carrier frequency %u Hz < %u\n",
eutra_bandP, bw, dl_CarrierFreq,
eutra_bandtable[i].dl_min);
AssertFatal(dl_CarrierFreq_by_100k <=
(eutra_bandtable[i].dl_max - bw_by_100),
"Band %d, bw %u: DL carrier frequency %u Hz > %d\n",
eutra_bandP, bw, dl_CarrierFreq,
eutra_bandtable[i].dl_max - bw_by_100);
return (dl_CarrierFreq_by_100k - eutra_bandtable[i].dl_min +
(eutra_bandtable[i].N_OFFs_DL / 10));
}
void config_nr_mib(int Mod_idP,
int CC_idP,
int p_gNBP,
int subCarrierSpacingCommon,
uint32_t ssb_SubcarrierOffset,
int dmrs_TypeA_Position,
uint32_t pdcch_ConfigSIB1,
int cellBarred,
int intraFreqReselection
){
nfapi_nr_config_request_t *cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
cfg->num_tlv=0;
cfg->rf_config.tx_antenna_ports.value = p_gNBP;
cfg->rf_config.tx_antenna_ports.tl.tag = NFAPI_RF_CONFIG_TX_ANTENNA_PORTS_TAG;
cfg->num_tlv++;
cfg->sch_config.ssb_subcarrier_offset.value = ssb_SubcarrierOffset;
}
void config_common(int Mod_idP,
int CC_idP,
int eutra_bandP,
int dl_CarrierFreqP,
int dl_BandwidthP
){
nfapi_nr_config_request_t *cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
// FDD
cfg->subframe_config.duplex_mode.value = 1;
cfg->subframe_config.duplex_mode.tl.tag = NFAPI_SUBFRAME_CONFIG_DUPLEX_MODE_TAG;
cfg->num_tlv++;
/// In NR DL and UL will be different band
cfg->nfapi_config.rf_bands.number_rf_bands = 1;
cfg->nfapi_config.rf_bands.rf_band[0] = eutra_bandP;
cfg->nfapi_config.rf_bands.tl.tag = NFAPI_PHY_RF_BANDS_TAG;
cfg->num_tlv++;
cfg->nfapi_config.earfcn.value = nr_to_earfcn(eutra_bandP,dl_CarrierFreqP,dl_BandwidthP*180/100);
cfg->nfapi_config.earfcn.tl.tag = NFAPI_NFAPI_EARFCN_TAG;
cfg->num_tlv++;
cfg->subframe_config.numerology_index_mu.value = 1;
//cfg->subframe_config.tl.tag =
//cfg->num_tlv++;
cfg->rf_config.dl_channel_bandwidth.value = dl_BandwidthP;
cfg->rf_config.dl_channel_bandwidth.tl.tag = NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
LOG_I(PHY,"%s() dl_BandwidthP:%d\n", __FUNCTION__, dl_BandwidthP);
cfg->rf_config.ul_channel_bandwidth.value = dl_BandwidthP;
cfg->rf_config.ul_channel_bandwidth.tl.tag = NFAPI_RF_CONFIG_UL_CHANNEL_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
//cfg->sch_config.half_frame_index.value = 0; Fix in PHY
//cfg->sch_config.n_ssb_crb.value = 86; Fix in PHY
}
/*void config_servingcellconfigcommon(){
}*/
int rrc_mac_config_req_gNB(module_id_t Mod_idP,
int CC_idP,
int p_gNB,
int eutra_bandP,
int dl_CarrierFreqP,
int dl_BandwidthP,
NR_BCCH_BCH_Message_t *mib,
NR_ServingCellConfigCommon_t *servingcellconfigcommon
){
if( mib != NULL ){
config_nr_mib(Mod_idP,
CC_idP,
p_gNB,
mib->message.choice.mib->subCarrierSpacingCommon,
mib->message.choice.mib->ssb_SubcarrierOffset,
mib->message.choice.mib->dmrs_TypeA_Position,
mib->message.choice.mib->pdcch_ConfigSIB1,
mib->message.choice.mib->cellBarred,
mib->message.choice.mib->intraFreqReselection
);
}// END if( mib != NULL )
if( servingcellconfigcommon != NULL ){
config_common(Mod_idP,
CC_idP,
eutra_bandP,
dl_CarrierFreqP,
dl_BandwidthP
);
}//END if( servingcellconfigcommon != NULL )
LOG_E(MAC, "%s() %s:%d RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req:%p\n", __FUNCTION__, __FILE__, __LINE__, RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req);
// if in nFAPI mode
if ( (nfapi_mode == 1 || nfapi_mode == 2) && (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req == NULL) ){
while(RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req == NULL) {
// DJP AssertFatal(RC.nrmac[Mod_idP]->if_inst->PHY_config_req != NULL,"if_inst->phy_config_request is null\n");
usleep(100 * 1000);
printf("Waiting for PHY_config_req\n");
}
}
if (servingcellconfigcommon != NULL){
NR_PHY_Config_t phycfg;
phycfg.Mod_id = Mod_idP;
phycfg.CC_id = CC_idP;
phycfg.cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
if (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req) RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req(&phycfg);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_MAC_CONFIG, VCD_FUNCTION_OUT);
}
return(0);
}// END rrc_mac_config_req_gNB
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