253 lines
10 KiB
C
253 lines
10 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file mac_proto.h
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* \brief MAC functions prototypes for gNB
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* \author Navid Nikaein and Raymond Knopp, WEI-TAI CHEN
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* \date 2010 - 2014, 2018
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* \email navid.nikaein@eurecom.fr, kroempa@gmail.com
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* \version 1.0
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* \company Eurecom, NTUST
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*/
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#ifndef __LAYER2_NR_MAC_PROTO_H__
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#define __LAYER2_NR_MAC_PROTO_H__
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#include "nr_mac_gNB.h"
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#include "PHY/defs_gNB.h"
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#include "NR_TAG-Id.h"
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#define MAX_ACK_BITS 2 //only format 0 is available for now
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void set_cset_offset(uint16_t);
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void mac_top_init_gNB(void);
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void config_common(int Mod_idP,
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int pdsch_AntennaPorts,
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NR_ServingCellConfigCommon_t *scc
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);
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int rrc_mac_config_req_gNB(module_id_t Mod_idP,
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int ssb_SubcarrierOffset,
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int pdsch_AntennaPorts,
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NR_ServingCellConfigCommon_t *scc,
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int nsa_flag,
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uint32_t rnti,
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NR_CellGroupConfig_t *secondaryCellGroup
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);
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void clear_nr_nfapi_information(gNB_MAC_INST * gNB,
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int CC_idP,
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frame_t frameP,
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sub_frame_t subframeP);
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void gNB_dlsch_ulsch_scheduler(module_id_t module_idP,
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frame_t frame_txP, sub_frame_t slot_txP,
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frame_t frame_rxP, sub_frame_t slot_rxP);
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int nr_generate_dlsch_pdu(module_id_t Mod_idP,
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unsigned char *sdus_payload,
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unsigned char *mac_pdu,
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unsigned char num_sdus,
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unsigned short *sdu_lengths,
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unsigned char *sdu_lcids,
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unsigned char drx_cmd,
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unsigned char *ue_cont_res_id,
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unsigned short post_padding);
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void nr_schedule_ue_spec(module_id_t module_idP, frame_t frameP, sub_frame_t slotP);
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void schedule_nr_mib(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP);
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void nr_schedule_css_dlsch_phytest(module_id_t module_idP,
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frame_t frameP,
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sub_frame_t subframeP);
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int configure_fapi_dl_pdu(int Mod_id,
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int *CCEIndeces,
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nfapi_nr_dl_tti_request_body_t *dl_req,
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NR_sched_pucch *pucch_sched,
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uint8_t *mcsIndex,
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uint16_t *rbSize,
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uint16_t *rbStart);
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void config_uldci(NR_BWP_Uplink_t *ubwp,nfapi_nr_pusch_pdu_t *pusch_pdu,nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15, dci_pdu_rel15_t *dci_pdu_rel15, int *dci_formats, int *rnti_types);
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void configure_fapi_dl_Tx(module_id_t Mod_idP,
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frame_t frameP,
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sub_frame_t slotP,
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nfapi_nr_dl_tti_request_body_t *dl_req,
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nfapi_nr_pdu_t *tx_req,
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int tbs_bytes,
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int16_t pdu_index);
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void nr_schedule_uss_dlsch_phytest(module_id_t module_idP,
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frame_t frameP,
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sub_frame_t slotP,
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NR_sched_pucch *pucch_sched,
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nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_config);
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void nr_schedule_uss_ulsch_phytest(int Mod_idP,
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frame_t frameP,
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sub_frame_t slotP);
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void nr_update_pucch_scheduling(int Mod_idP,
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int UE_id,
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frame_t frameP,
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sub_frame_t slotP,
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int slots_per_tdd,
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NR_sched_pucch *sched_pucch);
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void get_pdsch_to_harq_feedback(int Mod_idP,
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int UE_id,
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NR_SearchSpace__searchSpaceType_PR ss_type,
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uint8_t *pdsch_to_harq_feedback);
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void nr_configure_css_dci_initial(nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu,
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nr_scs_e scs_common,
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nr_scs_e pdcch_scs,
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nr_frequency_range_e freq_range,
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uint8_t rmsi_pdcch_config,
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uint8_t ssb_idx,
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uint8_t k_ssb,
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uint16_t sfn_ssb,
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uint8_t n_ssb,
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uint16_t nb_slots_per_frame,
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uint16_t N_RB);
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/*
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int nr_is_dci_opportunity(nfapi_nr_search_space_t search_space,
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nfapi_nr_coreset_t coreset,
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uint16_t frame,
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uint16_t slot,
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nfapi_nr_config_request_scf_t cfg);
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*/
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void nr_configure_pucch(nfapi_nr_pucch_pdu_t* pucch_pdu,
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NR_ServingCellConfigCommon_t *scc,
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NR_BWP_Uplink_t *bwp,
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uint8_t pucch_resource,
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uint16_t O_uci,
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uint16_t O_ack,
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uint8_t SR_flag);
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void nr_configure_pdcch(nfapi_nr_dl_tti_pdcch_pdu_rel15_t* pdcch_pdu,
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int ss_type,
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NR_ServingCellConfigCommon_t *scc,
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NR_BWP_Downlink_t *bwp);
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void fill_dci_pdu_rel15(nfapi_nr_dl_tti_pdcch_pdu_rel15_t *pdcch_pdu_rel15,
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dci_pdu_rel15_t *dci_pdu_rel15,
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int *dci_formats,
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int *rnti_types);
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int get_spf(nfapi_nr_config_request_scf_t *cfg);
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int to_absslot(nfapi_nr_config_request_scf_t *cfg,int frame,int slot);
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void get_band(uint64_t downlink_frequency, uint16_t *current_band, int32_t *current_offset, lte_frame_type_t *current_type);
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void nr_get_tbs_dl(nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu,
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int x_overhead);
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/** \brief Computes Q based on I_MCS PDSCH and table_idx for downlink. Implements MCS Tables from 38.214. */
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uint8_t nr_get_Qm_dl(uint8_t Imcs, uint8_t table_idx);
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uint32_t nr_get_code_rate_dl(uint8_t Imcs, uint8_t table_idx);
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/** \brief Computes Q based on I_MCS PDSCH and table_idx for uplink. Implements MCS Tables from 38.214. */
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uint8_t nr_get_Qm_ul(uint8_t Imcs, uint8_t table_idx);
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uint32_t nr_get_code_rate_ul(uint8_t Imcs, uint8_t table_idx);
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int NRRIV2BW(int locationAndBandwidth,int N_RB);
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int NRRIV2PRBOFFSET(int locationAndBandwidth,int N_RB);
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void dump_nr_ue_list(NR_UE_list_t *listP, int ul_flag);
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int find_nr_UE_id(module_id_t mod_idP, rnti_t rntiP);
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int add_new_nr_ue(module_id_t mod_idP, rnti_t rntiP);
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int get_num_dmrs(uint16_t dmrs_mask );
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uint8_t get_l0_ul(uint8_t mapping_type, uint8_t dmrs_typeA_position);
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int32_t get_l_prime(uint8_t duration_in_symbols, uint8_t mapping_type, pusch_dmrs_AdditionalPosition_t additional_pos, pusch_maxLength_t pusch_maxLength);
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uint8_t get_L_ptrs(uint8_t mcs1, uint8_t mcs2, uint8_t mcs3, uint8_t I_mcs, uint8_t mcs_table);
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uint8_t get_K_ptrs(uint16_t nrb0, uint16_t nrb1, uint16_t N_RB);
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uint16_t nr_dci_size(nr_dci_format_t format,
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nr_rnti_type_t rnti_type,
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uint16_t N_RB);
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int allocate_nr_CCEs(gNB_MAC_INST *nr_mac,
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int bwp_id,
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int coreset_id,
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int aggregation,
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int search_space, // 0 common, 1 ue-specific
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int UE_id,
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int m
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);
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int is_nr_DL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slotP);
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int is_nr_UL_slot(NR_ServingCellConfigCommon_t *scc,slot_t slotP);
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int get_dlscs(nfapi_nr_config_request_t *cfg);
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int get_ulscs(nfapi_nr_config_request_t *cfg);
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int get_symbolsperslot(nfapi_nr_config_request_t *cfg);
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int32_t get_nr_uldl_offset(int nr_bandP);
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void config_nr_mib(int Mod_idP,
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int CC_idP,
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int p_gNBP,
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int subCarrierSpacingCommon,
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uint32_t ssb_SubcarrierOffset,
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int dmrs_TypeA_Position,
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uint32_t pdcch_ConfigSIB1,
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int cellBarred,
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int intraFreqReselection);
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void nr_process_mac_pdu(
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module_id_t module_idP,
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uint8_t CC_id,
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frame_t frameP,
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uint8_t *pduP,
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uint16_t mac_pdu_len);
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/* \brief Function to indicate a received SDU on ULSCH.
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@param Mod_id Instance ID of gNB
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@param CC_id Component carrier index
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@param rnti RNTI of UE transmitting the SDU
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@param sdu Pointer to received SDU
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@param sdu_len Length of SDU
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@param timing_advance timing advance adjustment after this pdu
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@param ul_cqi Uplink CQI estimate after this pdu (SNR quantized to 8 bits, -64 ... 63.5 dB in .5dB steps)
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*/
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void nr_rx_sdu(const module_id_t gnb_mod_idP,
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const int CC_idP,
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const frame_t frameP,
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const sub_frame_t subframeP,
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const rnti_t rntiP,
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uint8_t * sduP,
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const uint16_t sdu_lenP,
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const uint16_t timing_advance, const uint8_t ul_cqi);
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#endif /*__LAYER2_NR_MAC_PROTO_H__*/
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