168 lines
6.3 KiB
C
Executable File
168 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 proto.h
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* \brief MAC functions prototypes for eNB and UE
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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 __LAYER2_MAC_UE_PROTO_H__
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#define __LAYER2_MAC_UE_PROTO_H__
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#include "mac_defs.h"
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#include "mac.h"
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#include <openair1/PHY/defs_nr_UE.h>
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/**\brief decode mib pdu in NR_UE, from if_module ul_ind with P7 tx_ind message
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\param module_id module id
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\param cc_id component carrier id
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\param gNB_index gNB index
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\param extra_bits extra bits for frame calculation
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\param l_ssb_equal_64 check if ssb number of candicate is equal 64, 1=equal; 0=non equal. Reference 38.212 7.1.1
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\param pduP pointer to pdu
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\param pdu_length length of pdu
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\param cell_id cell id */
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int8_t nr_ue_decode_mib(
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UE_nr_rxtx_proc_t *proc,
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module_id_t module_id,
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int cc_id,
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uint8_t gNB_index,
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uint8_t extra_bits,
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uint32_t ssb_length,
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uint32_t ssb_index,
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void *pduP,
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uint16_t cell_id );
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/**\brief primitive from RRC layer to MAC layer for configuration L1/L2, now supported 4 rrc messages: MIB, cell_group_config for MAC/PHY, spcell_config(serving cell config)
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\param module_id module id
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\param cc_id component carrier id
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\param gNB_index gNB index
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\param mibP pointer to RRC message MIB
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\param mac_cell_group_configP pointer to RRC message MAC-related in cell group config
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\param phy_cell_group_configP pointer to RRC message PHY-related in cell group config
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\param spcell_configP pointer to RRC message serving cell config*/
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int nr_rrc_mac_config_req_ue(
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module_id_t module_id,
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int cc_id,
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uint8_t gNB_index,
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NR_MIB_t *mibP,
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NR_MAC_CellGroupConfig_t *mac_cell_group_configP,
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NR_PhysicalCellGroupConfig_t *phy_cell_group_configP,
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NR_SpCellConfig_t *spcell_configP );
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/**\brief initialization NR UE MAC instance(s), total number of MAC instance based on NB_NR_UE_MAC_INST*/
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int nr_l2_init_ue(void);
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/**\brief fetch MAC instance by module_id, within 0 - (NB_NR_UE_MAC_INST-1)
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\param module_id index of MAC instance(s)*/
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NR_UE_MAC_INST_t *get_mac_inst(
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module_id_t module_id);
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/**\brief called at each slot, slot length based on numerology. now use u=0, scs=15kHz, slot=1ms
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performs BSR/SR/PHR procedures, random access procedure handler and DLSCH/ULSCH procedures.
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\param module_id module id
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\param gNB_index corresponding gNB index
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\param cc_id component carrier id
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\param rx_frame receive frame number
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\param rx_slot receive slot number
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\param tx_frame transmit frame number
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\param tx_slot transmit slot number*/
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NR_UE_L2_STATE_t nr_ue_scheduler(
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const module_id_t module_id,
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const uint8_t gNB_index,
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const int cc_id,
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const frame_t rx_frame,
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const slot_t rx_slot,
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const int32_t ssb_index,
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const frame_t tx_frame,
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const slot_t tx_slot);
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/* \brief Get SR payload (0,1) from UE MAC
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@param Mod_id Instance id of UE in machine
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@param CC_id Component Carrier index
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@param eNB_id Index of eNB that UE is attached to
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@param rnti C_RNTI of UE
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@param subframe subframe number
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@returns 0 for no SR, 1 for SR
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*/
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uint32_t ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP,
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uint8_t eNB_id, rnti_t rnti, sub_frame_t subframe);
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int8_t nr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe);
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int8_t nr_ue_process_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_format);
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uint32_t get_ssb_frame(uint32_t test);
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uint32_t get_ssb_slot(uint32_t ssb_index);
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uint32_t mr_ue_get_SR(module_id_t module_idP, int CC_id, frame_t frameP, uint8_t eNB_id, uint16_t rnti, sub_frame_t subframe);
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/* \brief Get payload (MAC PDU) from UE PHY
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@param module_idP Instance id of UE in machine
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@param CC_id Component Carrier index
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@param frameP Current Rx frame
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@param ttiP Current Rx tti subframe
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@param pdu Pointer to the MAC PDU
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@param pdu_len Length of the MAC PDU
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@param eNB_id Index of eNB that UE is attached to
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@returns void
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*/
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void nr_ue_send_sdu(module_id_t module_idP,uint8_t CC_id, frame_t frameP, uint8_t ttiP,
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uint8_t * pdu, uint16_t pdu_len, uint8_t gNB_index, NR_UL_TIME_ALIGNMENT_t *ul_time_alignment);
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void nr_ue_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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uint8_t eNB_index,
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NR_UL_TIME_ALIGNMENT_t *ul_time_alignment);
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int8_t nr_ue_process_dlsch(module_id_t module_id, int cc_id, uint8_t gNB_index, fapi_nr_dci_indication_t *dci_ind, void *pduP, uint32_t pdu_len);
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uint8_t nr_ue_get_sdu(module_id_t module_idP, int CC_id, frame_t frameP,
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sub_frame_t subframe, uint8_t eNB_index,
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uint8_t *ulsch_buffer, uint16_t buflen, uint8_t *access_mode);
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uint16_t
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nr_generate_ulsch_pdu(uint8_t *mac_pdu,
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uint8_t *sdus_payload,
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uint8_t num_sdus,
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uint16_t *sdu_lengths,
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uint8_t *sdu_lcids,
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uint16_t *crnti,
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uint16_t buflen);
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#endif
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/** @}*/
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