mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
279 lines
8.6 KiB
C++
279 lines
8.6 KiB
C++
/*
|
|
* Copyright 2013-2019 Software Radio Systems Limited
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* srsLTE is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* srsLTE is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* A copy of the GNU Affero General Public License can be found in
|
|
* the LICENSE file in the top-level directory of this distribution
|
|
* and at http://www.gnu.org/licenses/.
|
|
*
|
|
*/
|
|
|
|
#include "srslte/common/common.h"
|
|
#include "srslte/srslte.h"
|
|
#include <vector>
|
|
|
|
#ifndef SRSLTE_SCHED_INTERFACE_H
|
|
#define SRSLTE_SCHED_INTERFACE_H
|
|
|
|
namespace srsenb {
|
|
|
|
class sched_interface
|
|
{
|
|
public:
|
|
virtual ~sched_interface() {}
|
|
|
|
const static uint32_t max_cce = 128;
|
|
const static uint32_t max_prb = 100;
|
|
const static uint32_t max_rbg = 25;
|
|
|
|
const static int MAX_SIB_PAYLOAD_LEN = 2048;
|
|
const static int MAX_SIBS = 16;
|
|
const static int MAX_LC = 6;
|
|
const static int MAX_DATA_LIST = 32;
|
|
const static int MAX_RAR_LIST = 8;
|
|
const static int MAX_BC_LIST = 8;
|
|
const static int MAX_RLC_PDU_LIST = 8;
|
|
const static int MAX_PHICH_LIST = 8;
|
|
|
|
typedef struct {
|
|
uint32_t len;
|
|
uint32_t period_rf;
|
|
} cell_cfg_sib_t;
|
|
|
|
struct sched_args_t {
|
|
int pdsch_mcs = -1;
|
|
int pdsch_max_mcs = 28;
|
|
int pusch_mcs = -1;
|
|
int pusch_max_mcs = 28;
|
|
int nof_ctrl_symbols = 3;
|
|
int max_aggr_level = 3;
|
|
};
|
|
|
|
struct cell_cfg_t {
|
|
|
|
// Main cell configuration (used to calculate DCI locations in scheduler)
|
|
srslte_cell_t cell;
|
|
|
|
/* SIB configuration */
|
|
cell_cfg_sib_t sibs[MAX_SIBS];
|
|
uint32_t si_window_ms;
|
|
|
|
/* pusch configuration */
|
|
srslte_pusch_hopping_cfg_t pusch_hopping_cfg;
|
|
|
|
/* prach configuration */
|
|
uint32_t prach_config;
|
|
uint32_t prach_nof_preambles;
|
|
uint32_t prach_freq_offset;
|
|
uint32_t prach_rar_window;
|
|
uint32_t prach_contention_resolution_timer;
|
|
|
|
uint32_t maxharq_msg3tx;
|
|
uint32_t n1pucch_an;
|
|
uint32_t delta_pucch_shift;
|
|
|
|
// If non-negative, statically allocate N prbs at the edges of the uplink for PUCCH
|
|
int nrb_pucch;
|
|
|
|
uint32_t nrb_cqi;
|
|
uint32_t ncs_an;
|
|
|
|
uint32_t srs_subframe_config;
|
|
uint32_t srs_subframe_offset;
|
|
uint32_t srs_bw_config;
|
|
|
|
struct scell_cfg_t {
|
|
uint32_t enb_cc_idx = 0;
|
|
bool cross_carrier_scheduling = false;
|
|
bool ul_allowed = false;
|
|
};
|
|
std::vector<scell_cfg_t> scell_list;
|
|
};
|
|
|
|
struct ue_bearer_cfg_t {
|
|
int priority;
|
|
int bsd;
|
|
int pbr;
|
|
int group;
|
|
enum { IDLE = 0, UL, DL, BOTH } direction = IDLE;
|
|
};
|
|
|
|
struct ant_info_ded_t {
|
|
enum class tx_mode_t { tm1, tm2, tm3, tm4, tm5, tm6, tm7, tm8_v920, nulltype } tx_mode;
|
|
enum class codebook_t {
|
|
n2_tx_ant_tm3,
|
|
n4_tx_ant_tm3,
|
|
n2_tx_ant_tm4,
|
|
n4_tx_ant_tm4,
|
|
n2_tx_ant_tm5,
|
|
n4_tx_ant_tm5,
|
|
n2_tx_ant_tm6,
|
|
n4_tx_ant_tm6,
|
|
none
|
|
} cookbook_subset_type;
|
|
uint64_t codebook_subset_restrict;
|
|
enum class ue_tx_ant_sel_t { release, closed_loop, open_loop } ue_tx_ant_sel;
|
|
};
|
|
|
|
struct ue_cfg_t {
|
|
/* ue capabilities, etc */
|
|
uint32_t maxharq_tx = 5;
|
|
bool continuous_pusch;
|
|
srslte_uci_offset_cfg_t uci_offset;
|
|
srslte_pucch_cfg_t pucch_cfg = {};
|
|
uint32_t aperiodic_cqi_period = 0; // if 0 is periodic CQI
|
|
srslte_dl_cfg_t dl_cfg;
|
|
std::array<ue_bearer_cfg_t, MAX_LC> ue_bearers = {};
|
|
std::vector<uint32_t> supported_cc_idxs;
|
|
};
|
|
|
|
typedef struct {
|
|
uint32_t lcid;
|
|
uint32_t nbytes;
|
|
} dl_sched_pdu_t;
|
|
|
|
typedef struct {
|
|
uint32_t lcid;
|
|
uint32_t lcid_buffer_size;
|
|
uint32_t stop;
|
|
uint8_t* mtch_payload;
|
|
} dl_mtch_sched_t;
|
|
|
|
typedef struct {
|
|
dl_sched_pdu_t pdu[20];
|
|
dl_mtch_sched_t mtch_sched[8];
|
|
uint32_t num_mtch_sched;
|
|
uint8_t* mcch_payload;
|
|
uint32_t current_sf_allocation_num;
|
|
} dl_pdu_mch_t;
|
|
|
|
typedef struct {
|
|
srslte_dci_dl_t dci;
|
|
uint32_t tbs[SRSLTE_MAX_TB];
|
|
bool mac_ce_ta;
|
|
bool mac_ce_rnti;
|
|
uint32_t nof_pdu_elems[SRSLTE_MAX_TB];
|
|
dl_sched_pdu_t pdu[SRSLTE_MAX_TB][MAX_RLC_PDU_LIST];
|
|
} dl_sched_data_t;
|
|
|
|
typedef struct {
|
|
bool needs_pdcch;
|
|
uint32_t current_tx_nb;
|
|
uint32_t tbs;
|
|
srslte_dci_ul_t dci;
|
|
} ul_sched_data_t;
|
|
|
|
struct dl_sched_rar_info_t {
|
|
uint32_t preamble_idx;
|
|
uint32_t ta_cmd;
|
|
uint16_t temp_crnti;
|
|
uint32_t msg3_size;
|
|
uint32_t prach_tti;
|
|
};
|
|
|
|
typedef struct {
|
|
dl_sched_rar_info_t data;
|
|
srslte_dci_rar_grant_t grant;
|
|
} dl_sched_rar_grant_t;
|
|
|
|
typedef struct {
|
|
uint32_t tbs;
|
|
srslte_dci_dl_t dci;
|
|
uint32_t nof_grants;
|
|
dl_sched_rar_grant_t msg3_grant[MAX_RAR_LIST];
|
|
} dl_sched_rar_t;
|
|
|
|
typedef struct {
|
|
srslte_dci_dl_t dci;
|
|
|
|
enum bc_type { BCCH, PCCH } type;
|
|
|
|
uint32_t index;
|
|
|
|
uint32_t tbs;
|
|
|
|
} dl_sched_bc_t;
|
|
|
|
typedef struct {
|
|
uint32_t cfi;
|
|
uint32_t nof_data_elems;
|
|
uint32_t nof_rar_elems;
|
|
uint32_t nof_bc_elems;
|
|
dl_sched_data_t data[MAX_DATA_LIST];
|
|
dl_sched_rar_t rar[MAX_RAR_LIST];
|
|
dl_sched_bc_t bc[MAX_BC_LIST];
|
|
} dl_sched_res_t;
|
|
|
|
typedef struct {
|
|
uint16_t rnti;
|
|
enum phich_elem { ACK, NACK } phich;
|
|
} ul_sched_phich_t;
|
|
|
|
typedef struct {
|
|
uint32_t nof_dci_elems;
|
|
uint32_t nof_phich_elems;
|
|
ul_sched_data_t pusch[MAX_DATA_LIST];
|
|
ul_sched_phich_t phich[MAX_PHICH_LIST];
|
|
} ul_sched_res_t;
|
|
|
|
/******************* Scheduler Control ****************************/
|
|
|
|
/* Provides cell configuration including SIB periodicity, etc. */
|
|
virtual int cell_cfg(const std::vector<cell_cfg_t>& cell_cfg) = 0;
|
|
virtual int reset() = 0;
|
|
|
|
/* Manages UE scheduling context */
|
|
virtual int ue_cfg(uint16_t rnti, const ue_cfg_t& cfg) = 0;
|
|
virtual int ue_rem(uint16_t rnti) = 0;
|
|
virtual bool ue_exists(uint16_t rnti) = 0;
|
|
|
|
/* Manages UE bearers and associated configuration */
|
|
virtual int bearer_ue_cfg(uint16_t rnti, uint32_t lc_id, ue_bearer_cfg_t* cfg) = 0;
|
|
virtual int bearer_ue_rem(uint16_t rnti, uint32_t lc_id) = 0;
|
|
|
|
virtual uint32_t get_ul_buffer(uint16_t rnti) = 0;
|
|
virtual uint32_t get_dl_buffer(uint16_t rnti) = 0;
|
|
|
|
/******************* Scheduling Interface ***********************/
|
|
/* DL buffer status report */
|
|
virtual int dl_rlc_buffer_state(uint16_t rnti, uint32_t lc_id, uint32_t tx_queue, uint32_t retx_queue) = 0;
|
|
virtual int dl_mac_buffer_state(uint16_t rnti, uint32_t ce_code) = 0;
|
|
|
|
/* DL information */
|
|
virtual int dl_ack_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, uint32_t tb_idx, bool ack) = 0;
|
|
virtual int dl_rach_info(uint32_t cc_idx, dl_sched_rar_info_t rar_info) = 0;
|
|
virtual int dl_ri_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, uint32_t ri_value) = 0;
|
|
virtual int dl_pmi_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, uint32_t pmi_value) = 0;
|
|
virtual int dl_cqi_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, uint32_t cqi_value) = 0;
|
|
|
|
/* UL information */
|
|
virtual int ul_crc_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, bool crc) = 0;
|
|
virtual int ul_sr_info(uint32_t tti, uint16_t rnti) = 0;
|
|
virtual int ul_bsr(uint16_t rnti, uint32_t lcid, uint32_t bsr, bool set_value = true) = 0;
|
|
virtual int ul_recv_len(uint16_t rnti, uint32_t lcid, uint32_t len) = 0;
|
|
virtual int ul_phr(uint16_t rnti, int phr) = 0;
|
|
virtual int ul_cqi_info(uint32_t tti, uint16_t rnti, uint32_t cc_idx, uint32_t cqi, uint32_t ul_ch_code) = 0;
|
|
|
|
/* Run Scheduler for this tti */
|
|
virtual int dl_sched(uint32_t tti, uint32_t cc_idx, dl_sched_res_t& sched_result) = 0;
|
|
virtual int ul_sched(uint32_t tti, uint32_t cc_idx, ul_sched_res_t& sched_result) = 0;
|
|
|
|
/* Custom */
|
|
virtual void set_dl_tti_mask(uint8_t* tti_mask, uint32_t nof_sfs) = 0;
|
|
};
|
|
|
|
} // namespace srsenb
|
|
|
|
#endif // SRSLTE_SCHED_INTERFACE_H
|