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.
152 lines
4.5 KiB
C++
152 lines
4.5 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 SRSUE_MAC_NR_H
|
|
#define SRSUE_MAC_NR_H
|
|
|
|
#include "mac_nr_interfaces.h"
|
|
#include "proc_bsr_nr.h"
|
|
#include "proc_ra_nr.h"
|
|
#include "proc_sr_nr.h"
|
|
#include "srsran/common/block_queue.h"
|
|
#include "srsran/common/mac_pcap.h"
|
|
#include "srsran/interfaces/mac_interface_types.h"
|
|
#include "srsran/interfaces/ue_nr_interfaces.h"
|
|
#include "srsran/srslog/srslog.h"
|
|
#include "srsue/hdr/stack/mac_nr/mux_nr.h"
|
|
#include "srsue/hdr/stack/ue_stack_base.h"
|
|
|
|
namespace srsue {
|
|
|
|
class rlc_interface_mac;
|
|
|
|
struct mac_nr_args_t {};
|
|
|
|
class mac_nr final : public mac_interface_phy_nr,
|
|
public mac_interface_rrc_nr,
|
|
public mac_interface_proc_ra_nr,
|
|
public mac_interface_mux_nr
|
|
{
|
|
public:
|
|
mac_nr(srsran::ext_task_sched_handle task_sched_);
|
|
~mac_nr();
|
|
|
|
int init(const mac_nr_args_t& args_, phy_interface_mac_nr* phy, rlc_interface_mac* rlc, rrc_interface_mac* rrc_);
|
|
void stop();
|
|
|
|
void reset();
|
|
void run_tti(const uint32_t tti);
|
|
|
|
void start_pcap(srsran::mac_pcap* pcap_);
|
|
|
|
void bch_decoded_ok(uint32_t tti, srsran::unique_byte_buffer_t payload);
|
|
|
|
/// Interface for PHY
|
|
sched_rnti_t get_dl_sched_rnti_nr(const uint32_t tti);
|
|
sched_rnti_t get_ul_sched_rnti_nr(const uint32_t tti);
|
|
|
|
int sf_indication(const uint32_t tti);
|
|
void tb_decoded(const uint32_t cc_idx, mac_nr_grant_dl_t& grant);
|
|
void new_grant_ul(const uint32_t cc_idx, const mac_nr_grant_ul_t& grant, tb_action_ul_t* action);
|
|
void prach_sent(const uint32_t tti,
|
|
const uint32_t s_id,
|
|
const uint32_t t_id,
|
|
const uint32_t f_id,
|
|
const uint32_t ul_carrier_id);
|
|
bool sr_opportunity(uint32_t tti, uint32_t sr_id, bool meas_gap, bool ul_sch_tx);
|
|
|
|
/// Stack interface
|
|
void timer_expired(uint32_t timer_id);
|
|
void get_metrics(mac_metrics_t* metrics);
|
|
|
|
/// Interface for RRC (RRC -> MAC)
|
|
int setup_lcid(const srsran::logical_channel_config_t& config);
|
|
int set_config(const srsran::bsr_cfg_nr_t& bsr_cfg);
|
|
int set_config(const srsran::sr_cfg_nr_t& sr_cfg);
|
|
void set_config(const srsran::rach_nr_cfg_t& rach_cfg);
|
|
void set_contention_id(const uint64_t ue_identity);
|
|
bool set_crnti(const uint16_t crnti);
|
|
void start_ra_procedure();
|
|
|
|
/// procedure ra nr interface + mux
|
|
uint64_t get_contention_id();
|
|
uint16_t get_crnti();
|
|
|
|
void msg3_flush() { mux.msg3_flush(); }
|
|
bool msg3_is_transmitted() { return mux.msg3_is_transmitted(); }
|
|
void msg3_prepare() { mux.msg3_prepare(); }
|
|
bool msg3_is_pending() { return mux.msg3_is_pending(); }
|
|
bool msg3_is_empty() { return mux.msg3_is_empty(); }
|
|
|
|
/// RRC
|
|
void rrc_ra_problem() { rrc->ra_problem(); }
|
|
|
|
/// stack interface
|
|
void process_pdus();
|
|
|
|
static bool is_in_window(uint32_t tti, int* start, int* len);
|
|
|
|
private:
|
|
void write_pcap(const uint32_t cc_idx, mac_nr_grant_dl_t& grant); // If PCAPs are enabled for this MAC
|
|
void handle_pdu(srsran::unique_byte_buffer_t pdu);
|
|
void get_ul_data(const mac_nr_grant_ul_t& grant, srsran::byte_buffer_t* tx_pdu);
|
|
|
|
// temporary helper
|
|
void handle_rar_pdu(mac_nr_grant_dl_t& grant);
|
|
|
|
bool is_si_opportunity();
|
|
bool is_paging_opportunity();
|
|
|
|
bool has_crnti();
|
|
bool is_valid_crnti(const uint16_t crnti);
|
|
|
|
/// Interaction with rest of the stack
|
|
phy_interface_mac_nr* phy = nullptr;
|
|
rlc_interface_mac* rlc = nullptr;
|
|
rrc_interface_mac* rrc = nullptr;
|
|
srsran::ext_task_sched_handle task_sched;
|
|
|
|
srsran::mac_pcap* pcap = nullptr;
|
|
srslog::basic_logger& logger;
|
|
mac_nr_args_t args = {};
|
|
|
|
bool started = false;
|
|
|
|
uint16_t c_rnti = SRSRAN_INVALID_RNTI;
|
|
uint64_t contention_id = 0;
|
|
|
|
srsran::block_queue<srsran::unique_byte_buffer_t>
|
|
pdu_queue; ///< currently only DCH PDUs supported (add BCH, PCH, etc)
|
|
|
|
mac_metrics_t metrics[SRSRAN_MAX_CARRIERS] = {};
|
|
|
|
/// Rx buffer
|
|
srsran::mac_sch_pdu_nr rx_pdu;
|
|
|
|
/// Tx buffer
|
|
srsran::unique_byte_buffer_t ul_harq_buffer = nullptr; // store PDU generated from MUX
|
|
srsran::unique_byte_buffer_t rlc_buffer = nullptr;
|
|
srsran_softbuffer_tx_t softbuffer_tx = {}; /// UL HARQ (temporal)
|
|
|
|
srsran::task_multiqueue::queue_handle stack_task_dispatch_queue;
|
|
|
|
// MAC Uplink-related procedures
|
|
proc_ra_nr proc_ra;
|
|
proc_sr_nr proc_sr;
|
|
proc_bsr_nr proc_bsr;
|
|
mux_nr mux;
|
|
};
|
|
|
|
} // namespace srsue
|
|
|
|
#endif // SRSUE_MAC_NR_H
|