203 lines
6.3 KiB
C
Executable File
203 lines
6.3 KiB
C
Executable File
/*
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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 NR_IF_Module.h
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* \brief data structures for L1/L2 interface modules
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* \author R. Knopp, K.H. HSU
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* \date 2018
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* \version 0.1
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* \company Eurecom / NTUST
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* \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr
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* \note
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* \warning
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*/
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#ifndef __NR_IF_MODULE_H__
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#define __NR_IF_MODULE_H__
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#include "platform_types.h"
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#include "fapi_nr_ue_interface.h"
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typedef struct {
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/// module id
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module_id_t module_id;
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/// gNB index
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uint32_t gNB_index;
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/// component carrier id
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int cc_id;
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/// frame
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frame_t frame;
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/// slot
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uint8_t slot;
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/// NR UE FAPI-like P7 message, direction: L1 to L2
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/// data reception indication structure
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fapi_nr_rx_indication_t *rx_ind;
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/// dci reception indication structure
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fapi_nr_dci_indication_t *dci_ind;
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} nr_downlink_indication_t;
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typedef struct {
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/// module id
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module_id_t module_id;
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/// gNB index
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uint32_t gNB_index;
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/// component carrier id
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int cc_id;
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/// frame
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frame_t frame;
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/// slot
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uint32_t slot;
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/// ssb_index, if ssb is not present in current TTI, thie value set to -1
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int8_t ssb_index;
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} nr_uplink_indication_t;
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// Downlink subframe P7
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typedef struct {
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/// module id
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module_id_t module_id;
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/// component carrier id
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uint8_t CC_id;
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/// frame
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frame_t frame;
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/// subframe
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sub_frame_t subframe;
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/// slot
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uint8_t slot;
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/// NR UE FAPI-like P7 message, direction: L2 to L1
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/// downlink transmission configuration request structure
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fapi_nr_dl_config_request_t *dl_config;
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/// uplink transmission configuration request structure
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fapi_nr_ul_config_request_t *ul_config;
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/// data transmission request structure
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fapi_nr_tx_request_t *tx_request;
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} nr_scheduled_response_t;
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typedef struct {
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/// module id
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uint8_t Mod_id;
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/// component carrier id
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uint8_t CC_id;
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/// NR UE FAPI-like P5 message
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/// physical layer configuration request structure
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fapi_nr_config_request_t config_req;
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} nr_phy_config_t;
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/*
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* Generic type of an application-defined callback to return various
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* types of data to the application.
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* EXPECTED RETURN VALUES:
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* -1: Failed to consume bytes. Abort the mission.
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* Non-negative return values indicate success, and ignored.
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*/
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typedef int8_t (nr_ue_scheduled_response_f)(nr_scheduled_response_t *scheduled_response);
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/*
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* Generic type of an application-defined callback to return various
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* types of data to the application.
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* EXPECTED RETURN VALUES:
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* -1: Failed to consume bytes. Abort the mission.
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* Non-negative return values indicate success, and ignored.
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*/
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typedef int8_t (nr_ue_phy_config_request_f)(nr_phy_config_t *phy_config);
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/*
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* Generic type of an application-defined callback to return various
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* types of data to the application.
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* EXPECTED RETURN VALUES:
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* -1: Failed to consume bytes. Abort the mission.
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* Non-negative return values indicate success, and ignored.
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*/
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typedef int8_t (nr_ue_dl_indication_f)(nr_downlink_indication_t *dl_info);
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/*
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* Generic type of an application-defined callback to return various
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* types of data to the application.
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* EXPECTED RETURN VALUES:
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* -1: Failed to consume bytes. Abort the mission.
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* Non-negative return values indicate success, and ignored.
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*/
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typedef int8_t (nr_ue_ul_indication_f)(nr_uplink_indication_t *ul_info);
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// TODO check this stuff can be reuse of need modification
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typedef struct nr_ue_if_module_s {
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nr_ue_scheduled_response_f *scheduled_response;
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nr_ue_phy_config_request_f *phy_config_request;
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nr_ue_dl_indication_f *dl_indication;
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nr_ue_ul_indication_f *ul_indication;
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uint32_t cc_mask;
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uint32_t current_frame;
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uint32_t current_slot;
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//pthread_mutex_t nr_if_mutex;
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} nr_ue_if_module_t;
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/**\brief reserved one of the interface(if) module instantce from pointer pool and done memory allocation by module_id.
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\param module_id module id*/
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nr_ue_if_module_t *nr_ue_if_module_init(uint32_t module_id);
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/**\brief done free of memory allocation by module_id and release to pointer pool.
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\param module_id module id*/
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int8_t nr_ue_if_module_kill(uint32_t module_id);
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/**\brief interface between L1/L2, indicating the downlink related information, like dci_ind and rx_req
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\param dl_info including dci_ind and rx_request messages*/
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int8_t nr_ue_dl_indication(nr_downlink_indication_t *dl_info);
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// TODO check
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/**\brief handle BCCH-BCH message from dl_indication
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\param pduP pointer to bch pdu
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\param additional_bits corresponding to 38.212 ch.7
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\param ssb_index SSB index within 0 - (L_ssb-1) corresponding to 38.331 ch.13 parameter i
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\param ssb_length corresponding to L1 parameter L_ssb
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\param cell_id cell id */
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int8_t handle_bcch_bch(module_id_t module_id, int cc_id, uint8_t gNB_index, uint8_t *pduP, uint8_t additional_bits, uint32_t ssb_index, uint32_t ssb_length, uint16_t cell_id);
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// TODO check
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/**\brief handle BCCH-DL-SCH message from dl_indication
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\param pdu_len length(bytes) of pdu
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\param pduP pointer to pdu*/
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int8_t handle_bcch_dlsch(module_id_t module_id, int cc_id, uint8_t gNB_index, uint32_t sibs_mask, uint8_t *pduP, uint32_t pdu_len);
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int8_t handle_dci(module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_pdu_rel15_t *dci, uint16_t rnti, uint32_t dci_type);
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#endif
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