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.
srsRAN_4G/srsenb/hdr/stack/mac/nr/sched_nr_interface.h

134 lines
4.8 KiB
C++

/**
*
* \section COPYRIGHT
*
* Copyright 2013-2021 Software Radio Systems Limited
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the distribution.
*
*/
#ifndef SRSRAN_SCHED_NR_INTERFACE_H
#define SRSRAN_SCHED_NR_INTERFACE_H
#include "srsran/adt/bounded_bitset.h"
#include "srsran/adt/bounded_vector.h"
#include "srsran/adt/optional.h"
#include "srsran/adt/span.h"
#include "srsran/common/common_nr.h"
#include "srsran/common/phy_cfg_nr.h"
#include "srsran/common/slot_point.h"
#include "srsran/interfaces/gnb_interfaces.h"
#include "srsran/phy/phch/dci_nr.h"
namespace srsenb {
const static size_t SCHED_NR_MAX_CARRIERS = 4;
const static uint16_t SCHED_NR_INVALID_RNTI = 0;
const static size_t SCHED_NR_MAX_NOF_RBGS = 18;
const static size_t SCHED_NR_MAX_TB = 1;
const static size_t SCHED_NR_MAX_HARQ = SRSRAN_DEFAULT_HARQ_PROC_DL_NR;
const static size_t SCHED_NR_MAX_BWP_PER_CELL = 2;
const static size_t SCHED_NR_MAX_LCID = srsran::MAX_NR_NOF_BEARERS;
const static size_t SCHED_NR_MAX_LC_GROUP = 7;
struct sched_nr_ue_cc_cfg_t {
bool active = false;
uint32_t cc = 0;
};
struct sched_nr_ue_cfg_t {
uint32_t maxharq_tx = 4;
srsran::bounded_vector<sched_nr_ue_cc_cfg_t, SCHED_NR_MAX_CARRIERS> carriers;
std::array<mac_lc_ch_cfg_t, SCHED_NR_MAX_LCID> ue_bearers = {};
srsran::phy_cfg_nr_t phy_cfg = {};
};
class sched_nr_interface
{
public:
static const size_t MAX_GRANTS = mac_interface_phy_nr::MAX_GRANTS;
///// Configuration /////
struct bwp_cfg_t {
uint32_t start_rb = 0;
uint32_t rb_width = 100;
srsran_pdcch_cfg_nr_t pdcch = {};
srsran_sch_hl_cfg_nr_t pdsch = {};
srsran_sch_hl_cfg_nr_t pusch = {};
uint32_t rar_window_size = 10; // See TS 38.331, ra-ResponseWindow: {1, 2, 4, 8, 10, 20, 40, 80}
uint32_t numerology_idx = 0;
};
struct cell_cfg_t {
srsran_carrier_nr_t carrier = {};
srsran_duplex_config_nr_t duplex = {};
srsran::phy_cfg_nr_t::ssb_cfg_t ssb = {};
srsran::bounded_vector<bwp_cfg_t, SCHED_NR_MAX_BWP_PER_CELL> bwps{1}; // idx0 for BWP-common
};
struct sched_args_t {
bool pdsch_enabled = true;
bool pusch_enabled = true;
bool auto_refill_buffer = false;
int fixed_dl_mcs = 28;
int fixed_ul_mcs = 28;
std::string logger_name = "MAC-NR";
};
using ue_cc_cfg_t = sched_nr_ue_cc_cfg_t;
using ue_cfg_t = sched_nr_ue_cfg_t;
////// RA procedure //////
struct rar_info_t {
uint32_t preamble_idx; // is this the RAPID?
uint32_t ofdm_symbol_idx;
uint32_t freq_idx;
uint32_t ta_cmd;
uint16_t temp_crnti;
uint32_t msg3_size = 7;
slot_point prach_slot;
};
struct msg3_grant_t {
rar_info_t data;
srsran_dci_ul_nr_t msg3_dci = {};
};
struct rar_t {
srsran::bounded_vector<msg3_grant_t, MAX_GRANTS> grants;
};
///// Sched Result /////
using dl_sched_t = mac_interface_phy_nr::dl_sched_t;
using ul_res_t = mac_interface_phy_nr::ul_sched_t;
using sched_rar_list_t = srsran::bounded_vector<rar_t, MAX_GRANTS>;
struct dl_res_t {
sched_rar_list_t& rar;
dl_sched_t& dl_sched;
dl_res_t(sched_rar_list_t& rar_, dl_sched_t& dl_sched_) : rar(rar_), dl_sched(dl_sched_) {}
};
virtual ~sched_nr_interface() = default;
virtual int config(const sched_args_t& sched_cfg, srsran::const_span<sched_nr_interface::cell_cfg_t> ue_cfg) = 0;
virtual void ue_cfg(uint16_t rnti, const ue_cfg_t& ue_cfg) = 0;
virtual void ue_rem(uint16_t rnti) = 0;
virtual void slot_indication(slot_point slot_tx) = 0;
virtual int get_dl_sched(slot_point slot_rx, uint32_t cc, dl_res_t& result) = 0;
virtual int get_ul_sched(slot_point slot_rx, uint32_t cc, ul_res_t& result) = 0;
virtual void dl_ack_info(uint16_t rnti, uint32_t cc, uint32_t pid, uint32_t tb_idx, bool ack) = 0;
virtual void ul_crc_info(uint16_t rnti, uint32_t cc, uint32_t pid, bool crc) = 0;
virtual void ul_sr_info(uint16_t rnti) = 0;
virtual void ul_bsr(uint16_t rnti, uint32_t lcg_id, uint32_t bsr) = 0;
};
} // namespace srsenb
#endif // SRSRAN_SCHED_NR_INTERFACE_H