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srsRAN_4G
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Refactor PHY interfaces to remove difference between SA and NSA PHY

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master
Ismael Gomez 3 years ago
parent 58ab8086ff
commit fb897d2998
24 changed files with 171 additions and 185 deletions
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48
lib/include/srsran/interfaces/ue_nr_interfaces.h
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@ -29,11 +29,7 @@ public:
virtual void out_of_sync() = 0;
virtual void run_tti(const uint32_t tti) = 0;
virtual void set_phy_config_complete(bool status) = 0;
};
class rrc_interface_phy_sa_nr
{
public:
/**
* @brief Describes a cell search result
*/
@ -228,20 +224,12 @@ struct phy_args_nr_t {
class phy_interface_mac_nr
{
public:
typedef struct {
uint32_t tti;
uint32_t tb_len;
uint8_t* data; // always a pointer in our case
} tx_request_t;
// MAC informs PHY about UL grant included in RAR PDU
virtual int set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) = 0;
// MAC instructs PHY to transmit MAC TB at the given TTI
virtual int tx_request(const tx_request_t& request) = 0;
virtual int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) = 0;
/// Instruct PHY to send PRACH in the next occasion.
virtual void send_prach(const uint32_t prach_occasion,
@ -266,30 +254,26 @@ class phy_interface_rrc_nr
{
public:
virtual bool set_config(const srsran::phy_cfg_nr_t& cfg) = 0;
};
class phy_interface_rrc_sa_nr
{
public:
/**
* @brief Describe the possible NR standalone physical layer possible states
*/
typedef enum {
PHY_NR_SA_STATE_IDLE = 0, ///< There is no process going on
PHY_NR_SA_STATE_CELL_SEARCH, ///< Cell search is currently in progress
PHY_NR_SA_STATE_CELL_SELECT, ///< Cell selection is in progress or it is camped on a cell
} phy_nr_sa_state_t;
PHY_NR_STATE_IDLE = 0, ///< There is no process going on
PHY_NR_STATE_CELL_SEARCH, ///< Cell search is currently in progress
PHY_NR_STATE_CELL_SELECT, ///< Cell selection is in progress or it is camped on a cell
} phy_nr_state_t;
/**
* @brief Retrieves the physical layer state
* @return
*/
virtual phy_nr_sa_state_t get_state() const = 0;
virtual phy_nr_state_t get_state() const = 0;
/**
* @brief Stops the ongoing process and transitions to IDLE
*/
virtual void reset() = 0;
virtual void reset_nr() = 0;
/**
* @brief Describes cell search arguments
@ -330,22 +314,10 @@ class stack_interface_phy_nr : public mac_interface_phy_nr,
public srsran::stack_interface_phy_nr
{};
/**
* @brief Combines the stack interfaces for PHY to access stack (MAC and RRC) including the standalone interface
*/
class stack_interface_phy_sa_nr : public stack_interface_phy_nr, public rrc_interface_phy_sa_nr
{};
// Combined interface for stack (MAC and RRC) to access PHY
class phy_interface_stack_nr : public phy_interface_mac_nr, public phy_interface_rrc_nr
{};
/**
* @brief Combines the PHY interfaces for stack (MAC and RRC) to access PHY for NSA including the standalone interfaces
*/
class phy_interface_stack_sa_nr : public phy_interface_stack_nr, public phy_interface_rrc_sa_nr
{};
} // namespace srsue
#endif // SRSRAN_UE_NR_INTERFACES_H

9
srsue/hdr/phy/nr/cell_search.h
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@ -36,11 +36,10 @@ public:
srsran_duplex_mode_t duplex_mode;
};
cell_search(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_);
cell_search(srslog::basic_logger& logger);
~cell_search();
bool init(const args_t& args);
bool init(const args_t& args, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_);
bool start(const cfg_t& cfg);
@ -50,8 +49,8 @@ public:
private:
srslog::basic_logger& logger;
stack_interface_phy_sa_nr& stack;
srsran::radio_interface_phy& radio;
stack_interface_phy_nr* stack = nullptr;
srsran::radio_interface_phy* radio = nullptr;
srsran_ssb_t ssb = {};
uint32_t sf_sz = 0; ///< subframe size in samples (1 ms)
cf_t* buffer = nullptr; ///< Receive buffer

8
srsue/hdr/phy/nr/slot_sync.h
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@ -34,10 +34,10 @@ public:
int thread_priority = -1;
};
slot_sync(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_);
slot_sync(srslog::basic_logger& logger);
~slot_sync();
bool init(const args_t& args);
bool init(const args_t& args, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_);
int recv_callback(srsran::rf_buffer_t& rf_buffer, srsran_timestamp_t* timestamp);
void run_stack_tti();
@ -47,8 +47,8 @@ private:
const static int MAX_TTI_JUMP = 1000; ///< Maximum time gap tolerance in RF stream metadata
enum { SEARCHING = 0, CAMPING } state = SEARCHING;
srslog::basic_logger& logger;
stack_interface_phy_sa_nr& stack;
srsran::radio_interface_phy& radio;
stack_interface_phy_nr* stack = nullptr;
srsran::radio_interface_phy* radio = nullptr;
srsran::rf_timestamp_t last_rx_time;
srsran_ue_sync_nr_t ue_sync_nr = {};
srsran_timestamp_t stack_tti_ts_new = {};

8
srsue/hdr/phy/nr/sync_sa.h
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@ -69,10 +69,10 @@ public:
STATE_CELL_SELECT
} state_t;
sync_sa(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_, worker_pool& workers_);
sync_sa(srslog::basic_logger& logger, worker_pool& workers_);
~sync_sa();
bool init(const args_t& args_);
bool init(const args_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_);
// The following methods control the SYNC state machine
bool start_cell_search(const cell_search::cfg_t& cfg);
@ -86,8 +86,8 @@ public:
void worker_end(const worker_context_t& w_ctx, const bool& tx_enable, srsran::rf_buffer_t& buffer) override;
private:
stack_interface_phy_sa_nr& stack; ///< Stand-Alone RRC interface
srsran::radio_interface_phy& radio; ///< Radio object
stack_interface_phy_nr* stack = nullptr; ///< Stand-Alone RRC interface
srsran::radio_interface_phy* radio = nullptr; ///< Radio object
srslog::basic_logger& logger; ///< General PHY logger
worker_pool& workers;

21
srsue/hdr/phy/nr/worker_pool.h
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@ -20,7 +20,7 @@
namespace srsue {
namespace nr {
class worker_pool : public srsue::phy_interface_stack_nr
class worker_pool
{
private:
srslog::basic_logger& logger;
@ -40,7 +40,7 @@ private:
public:
sf_worker* operator[](std::size_t pos) { return workers.at(pos).get(); }
worker_pool(uint32_t max_workers);
worker_pool(srslog::basic_logger& logger_, uint32_t max_workers);
bool init(const phy_args_nr_t& args_, srsran::phy_common_interface& common, stack_interface_phy_nr* stack_, int prio);
sf_worker* wait_worker(uint32_t tti);
void start_worker(sf_worker* w);
@ -48,16 +48,15 @@ public:
void send_prach(const uint32_t prach_occasion,
const int preamble_index,
const float preamble_received_target_power,
const float ta_base_sec = 0.0f) override;
int set_ul_grant(uint32_t rx_tti,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> array,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override;
bool set_config(const srsran::phy_cfg_nr_t& cfg) override;
bool has_valid_sr_resource(uint32_t sr_id) override;
void clear_pending_grants() override;
const float ta_base_sec = 0.0f);
int set_rar_grant(uint32_t rx_tti,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> array,
uint16_t rnti,
srsran_rnti_type_t rnti_type);
bool set_config(const srsran::phy_cfg_nr_t& cfg);
bool has_valid_sr_resource(uint32_t sr_id);
void clear_pending_grants();
void get_metrics(phy_metrics_t& m);
int tx_request(const tx_request_t& request) override;
/**
* @brief Sets external CFO to compensate UL signal frequency offset

16
srsue/hdr/phy/phy.h
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@ -71,7 +71,7 @@ public:
logger_phy(srslog::fetch_basic_logger("PHY")),
logger_phy_lib(srslog::fetch_basic_logger("PHY_LIB")),
lte_workers(MAX_WORKERS),
nr_workers(MAX_WORKERS),
nr_workers(logger_phy, MAX_WORKERS),
common(logger_phy),
sfsync(logger_phy, logger_phy_lib),
prach_buffer(logger_phy),
@ -163,20 +163,24 @@ public:
std::string get_type() final { return "lte_soft"; }
/********** NR INTERFACE ********************/
int init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_) final;
bool set_config(const srsran::phy_cfg_nr_t& cfg) final;
int set_ul_grant(uint32_t rx_tti,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) final;
void send_prach(const uint32_t prach_occasion,
const int preamble_index,
const float preamble_received_target_power,
const float ta_base_sec = 0.0f) final;
int tx_request(const tx_request_t& request) final;
void set_earfcn(std::vector<uint32_t> earfcns) final;
bool has_valid_sr_resource(uint32_t sr_id) final;
void clear_pending_grants() final;
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) final;
phy_nr_state_t get_state() const override { return PHY_NR_STATE_IDLE; };
void reset_nr() override{};
bool start_cell_search(const cell_search_args_t& req) override { return false; };
bool start_cell_select(const cell_search_args_t& req) override { return false; };
private:
void run_thread() final;

63
srsue/hdr/phy/phy_nr_sa.h
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@ -15,53 +15,68 @@
#include "srsran/interfaces/ue_nr_interfaces.h"
#include "srsue/hdr/phy/nr/sync_sa.h"
#include "srsue/hdr/phy/ue_nr_phy_base.h"
namespace srsue {
/**
* @brief NR Standalone PHY
*/
class phy_nr_sa : public phy_interface_stack_sa_nr
class phy_nr_sa final : public ue_nr_phy_base
{
public:
struct args_t {
std::string log_level = "info"; ///< General PHY logging level
double srate_hz = 61.44e6; ///< Sampling rate in Hz
};
phy_nr_sa(const char* logname);
phy_nr_sa(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_);
int init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_) final;
bool init(const args_t& args_);
std::string get_type() final { return "nr_soft"; }
int set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) final
{
return 0;
return -1;
}
int tx_request(const tx_request_t& request) override { return 0; }
void send_prach(const uint32_t prach_occasion,
const int preamble_index,
const float preamble_received_target_power,
const float ta_base_sec) override
const float ta_base_sec) final
{}
bool has_valid_sr_resource(uint32_t sr_id) override { return false; }
void clear_pending_grants() override {}
bool set_config(const srsran::phy_cfg_nr_t& cfg) override { return false; }
void set_earfcn(std::vector<uint32_t> earfcns) final{};
bool has_valid_sr_resource(uint32_t sr_id) final { return false; }
void clear_pending_grants() final {}
bool set_config(const srsran::phy_cfg_nr_t& cfg) final { return false; }
phy_nr_state_t get_state() const final;
void reset_nr() final;
bool start_cell_search(const cell_search_args_t& req) final;
bool start_cell_select(const cell_search_args_t& req) final { return false; }
phy_nr_sa_state_t get_state() const override;
void reset() override;
bool start_cell_search(const cell_search_args_t& req) override;
bool start_cell_select(const cell_search_args_t& req) override { return false; }
void stop() final { sync.stop(); }
void stop() { sync.stop(); }
void get_metrics(const srsran::srsran_rat_t& rat, phy_metrics_t* m) final{};
private:
srslog::basic_logger& logger;
nr::worker_pool workers;
phy_common common;
prach prach_buffer;
nr::sync_sa sync;
srslog::basic_logger& logger;
args_t args;
srsran::phy_cfg_nr_t config_nr = {};
phy_args_nr_t args = {};
srsran::radio_interface_phy* radio = nullptr;
std::mutex config_mutex;
std::condition_variable config_cond;
std::atomic<bool> is_configured = {false};
const static int SF_RECV_THREAD_PRIO = 0;
const static int WORKERS_THREAD_PRIO = 2;
};
} // namespace srsue

1
srsue/hdr/phy/ue_nr_phy_base.h
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@ -32,7 +32,6 @@ public:
virtual std::string get_type() = 0;
virtual int init(const phy_args_t& args_) = 0;
virtual int init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_) = 0;
virtual void stop() = 0;

1
srsue/hdr/stack/rrc_nr/rrc_nr.h
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@ -84,6 +84,7 @@ public:
// PHY interface
void in_sync() final;
void out_of_sync() final;
void cell_search_found_cell(const cell_search_result_t& result) final{};
// RLC interface
void max_retx_attempted() final;

3
srsue/hdr/stack/ue_stack_lte.h
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@ -123,6 +123,9 @@ public:
void run_tti(uint32_t tti, uint32_t tti_jump) final;
// RRC interface for NR PHY
void cell_search_found_cell(const cell_search_result_t& result) final {}
// MAC Interface for NR PHY
int sf_indication(const uint32_t tti) final { return SRSRAN_SUCCESS; }
void tb_decoded(const uint32_t cc_idx,

19
srsue/src/phy/nr/cell_search.cc
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@ -18,9 +18,7 @@
namespace srsue {
namespace nr {
cell_search::cell_search(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_) :
logger(srslog::fetch_basic_logger("PHY")), stack(stack_), radio(radio_)
{}
cell_search::cell_search(srslog::basic_logger& logger_) : logger(logger_) {}
cell_search::~cell_search()
{
@ -30,8 +28,11 @@ cell_search::~cell_search()
}
}
bool cell_search::init(const args_t& args)
bool cell_search::init(const args_t& args, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_)
{
stack = stack_;
radio = radio_;
// Compute subframe size
sf_sz = (uint32_t)(args.max_srate_hz / 1000.0f);
@ -81,7 +82,7 @@ bool cell_search::start(const cfg_t& cfg)
srsran_subcarrier_spacing_to_str(cfg.ssb_scs));
// Set RX frequency
radio.set_rx_freq(0, cfg.center_freq_hz);
radio->set_rx_freq(0, cfg.center_freq_hz);
// Zero receive buffer
srsran_vec_zero(buffer, sf_sz);
@ -98,7 +99,7 @@ bool cell_search::run()
// Receive
srsran::rf_timestamp_t rf_timestamp = {};
if (not radio.rx_now(rf_buffer, rf_timestamp)) {
if (not radio->rx_now(rf_buffer, rf_timestamp)) {
return false;
}
@ -111,15 +112,15 @@ bool cell_search::run()
// Consider the SSB is found and decoded if the PBCH CRC matched
if (res.measurements.snr_dB >= -10.0f and res.pbch_msg.crc) {
rrc_interface_phy_sa_nr::cell_search_result_t cs_res = {};
rrc_interface_phy_nr::cell_search_result_t cs_res = {};
cs_res.pci = res.N_id;
cs_res.pbch_msg = res.pbch_msg;
cs_res.measurements = res.measurements;
stack.cell_search_found_cell(cs_res);
stack->cell_search_found_cell(cs_res);
}
// Advance stack TTI
stack.run_tti(0);
stack->run_tti(0);
return true;
}

15
srsue/src/phy/nr/slot_sync.cc
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@ -15,11 +15,7 @@
namespace srsue {
namespace nr {
slot_sync::slot_sync(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_) :
logger(srslog::fetch_basic_logger("PHY")),
stack(stack_),
radio(radio_)
{}
slot_sync::slot_sync(srslog::basic_logger& logger_) : logger(logger_) {}
slot_sync::~slot_sync()
{
@ -37,8 +33,11 @@ int sync_sa_recv_callback(void* ptr, cf_t** buffer, uint32_t nsamples, srsran_ti
return sync->recv_callback(rf_buffer, ts);
}
bool slot_sync::init(const args_t& args)
bool slot_sync::init(const args_t& args, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_)
{
stack = stack_;
radio = radio_;
srsran_ue_sync_nr_args_t ue_sync_nr_args = {};
ue_sync_nr_args.max_srate_hz = args.max_srate_hz;
ue_sync_nr_args.min_scs = args.ssb_min_scs;
@ -63,7 +62,7 @@ int slot_sync::recv_callback(srsran::rf_buffer_t& data, srsran_timestamp_t* rx_t
srsran::rf_timestamp_t& rf_timestamp = (rx_time == nullptr) ? dummy_ts : last_rx_time;
// Receive
if (not radio.rx_now(data, rf_timestamp)) {
if (not radio->rx_now(data, rf_timestamp)) {
return SRSRAN_ERROR;
}
@ -120,7 +119,7 @@ void slot_sync::run_stack_tti()
// Run stack
logger.debug("run_stack_tti: calling stack tti=%d, tti_jump=%d", tti, tti_jump);
stack.run_tti(tti);
stack->run_tti(tti);
logger.debug("run_stack_tti: stack called");
}

15
srsue/src/phy/nr/worker_pool.cc
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@ -15,7 +15,7 @@
namespace srsue {
namespace nr {
worker_pool::worker_pool(uint32_t max_workers) : pool(max_workers), logger(srslog::fetch_basic_logger("PHY-NR")) {}
worker_pool::worker_pool(srslog::basic_logger& logger_, uint32_t max_workers) : pool(max_workers), logger(logger_) {}
bool worker_pool::init(const phy_args_nr_t& args,
srsran::phy_common_interface& common,
@ -158,10 +158,10 @@ void worker_pool::send_prach(const uint32_t prach_occasion,
}
// called from Stack thread when processing RAR PDU
int worker_pool::set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type)
int worker_pool::set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type)
{
// Copy DCI bits and setup DCI context
srsran_dci_msg_nr_t dci_msg = {};
@ -294,10 +294,5 @@ void worker_pool::get_metrics(phy_metrics_t& m)
phy_state.get_metrics(m);
}
int worker_pool::tx_request(const phy_interface_mac_nr::tx_request_t& request)
{
return 0;
}
} // namespace nr
} // namespace srsue

15
srsue/src/phy/phy.cc
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@ -631,12 +631,12 @@ int phy::init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran
return SRSRAN_SUCCESS;
}
int phy::set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type)
int phy::set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type)
{
return nr_workers.set_ul_grant(rar_slot_idx, packed_ul_grant, rnti, rnti_type);
return nr_workers.set_rar_grant(rar_slot_idx, packed_ul_grant, rnti, rnti_type);
}
void phy::send_prach(const uint32_t prach_occasion,
@ -647,11 +647,6 @@ void phy::send_prach(const uint32_t prach_occasion,
nr_workers.send_prach(prach_occasion, preamble_index, preamble_received_target_power);
}
int phy::tx_request(const phy_interface_mac_nr::tx_request_t& request)
{
return 0;
}
void phy::set_earfcn(std::vector<uint32_t> earfcns)
{
// Do nothing

27
srsue/src/phy/phy_nr_sa.cc
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@ -13,17 +13,22 @@
namespace srsue {
phy_nr_sa::phy_nr_sa(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_) :
logger(srslog::fetch_basic_logger("PHY-NR")), sync(stack_, radio_, workers), workers(4)
phy_nr_sa::phy_nr_sa(const char* logname) :
logger(srslog::fetch_basic_logger(logname)),
sync(logger, workers),
workers(logger, 4),
common(logger),
prach_buffer(logger)
{}
bool phy_nr_sa::init(const args_t& args_)
int phy_nr_sa::init(const phy_args_nr_t& args_, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_)
{
args = args_;
prach_buffer.init(SRSRAN_MAX_PRB);
nr::sync_sa::args_t sync_args = {};
sync_args.srate_hz = args.srate_hz;
if (not sync.init(sync_args)) {
if (not sync.init(sync_args, stack_, radio_)) {
logger.error("Error initialising SYNC");
return false;
}
@ -31,22 +36,22 @@ bool phy_nr_sa::init(const args_t& args_)
return true;
}
phy_interface_rrc_sa_nr::phy_nr_sa_state_t phy_nr_sa::get_state() const
phy_interface_rrc_nr::phy_nr_state_t phy_nr_sa::get_state() const
{
{
switch (sync.get_state()) {
case nr::sync_sa::STATE_IDLE:
break;
case nr::sync_sa::STATE_CELL_SEARCH:
return phy_interface_rrc_sa_nr::PHY_NR_SA_STATE_CELL_SEARCH;
return phy_interface_rrc_nr::PHY_NR_STATE_CELL_SEARCH;
case nr::sync_sa::STATE_CELL_SELECT:
return phy_interface_rrc_sa_nr::PHY_NR_SA_STATE_CELL_SELECT;
return phy_interface_rrc_nr::PHY_NR_STATE_CELL_SELECT;
}
}
return phy_interface_rrc_sa_nr::PHY_NR_SA_STATE_IDLE;
return phy_interface_rrc_nr::PHY_NR_STATE_IDLE;
}
void phy_nr_sa::reset()
void phy_nr_sa::reset_nr()
{
sync.go_idle();
}
@ -55,7 +60,7 @@ bool phy_nr_sa::start_cell_search(const cell_search_args_t& req)
{
// Prepare cell search configuration from the request
nr::cell_search::cfg_t cfg = {};
cfg.srate_hz = args.srate_hz;
cfg.srate_hz = 0; // args.srate_hz;
cfg.center_freq_hz = req.center_freq_hz;
cfg.ssb_freq_hz = req.ssb_freq_hz;
cfg.ssb_scs = req.ssb_scs;

22
srsue/src/phy/sync_sa.cc
Unescape Escape View File

@ -14,30 +14,26 @@
namespace srsue {
namespace nr {
sync_sa::sync_sa(stack_interface_phy_sa_nr& stack_, srsran::radio_interface_phy& radio_, worker_pool& workers_) :
logger(srslog::fetch_basic_logger("PHY-NR")),
stack(stack_),
radio(radio_),
workers(workers_),
srsran::thread("SYNC"),
searcher(stack_, radio_),
slot_synchronizer(stack_, radio_)
sync_sa::sync_sa(srslog::basic_logger& logger_, worker_pool& workers_) :
logger(logger_), workers(workers_), slot_synchronizer(logger_), searcher(logger_), srsran::thread("SYNC")
{}
sync_sa::~sync_sa() {}
bool sync_sa::init(const args_t& args)
bool sync_sa::init(const args_t& args, stack_interface_phy_nr* stack_, srsran::radio_interface_phy* radio_)
{
stack = stack_;
radio = radio_;
sf_sz = (uint32_t)(args.srate_hz / 1000.0f);
// Initialise cell search internal object
if (not searcher.init(args.get_cell_search())) {
if (not searcher.init(args.get_cell_search(), stack, radio)) {
logger.error("Error initialising cell searcher");
return false;
}
// Initialise slot synchronizer object
if (not slot_synchronizer.init(args.get_slot_sync())) {
if (not slot_synchronizer.init(args.get_slot_sync(), stack, radio)) {
logger.error("Error initialising slot synchronizer");
return false;
}
@ -114,9 +110,9 @@ void sync_sa::run_state_idle()
srsran::rf_timestamp_t ts = {};
// Receives from radio 1 slot
radio.rx_now(rf_buffer, ts);
radio->rx_now(rf_buffer, ts);
stack.run_tti(slot_cfg.idx);
stack->run_tti(slot_cfg.idx);
}
void sync_sa::run_state_cell_search()

14
srsue/src/phy/test/nr_sa_cell_search_test.cc
Unescape Escape View File

@ -213,15 +213,15 @@ private:
public:
struct args_t {
srsue::phy_nr_sa::args_t phy;
srsue::phy_args_nr_t phy;
ue_dummy_stack::args_t stack;
};
dummy_ue(const args_t& args, srsran::radio_interface_phy& radio) : stack(args.stack, phy), phy(stack, radio)
dummy_ue(const args_t& args, srsran::radio_interface_phy* radio) : stack(args.stack, phy), phy("PHY")
{
srsran_assert(phy.init(args.phy), "Failed to initialise PHY");
srsran_assert(phy.init(args.phy, &stack, radio), "Failed to initialise PHY");
}
bool start_cell_search(const srsue::phy_interface_stack_sa_nr::cell_search_args_t& args)
bool start_cell_search(const srsue::phy_interface_stack_nr::cell_search_args_t& args)
{
return phy.start_cell_search(args);
}
@ -230,7 +230,7 @@ public:
void stop()
{
// First transition PHY to IDLE
phy.reset();
phy.reset_nr();
// Make sure PHY transitioned to IDLE
// ...
@ -303,9 +303,7 @@ int main(int argc, char** argv)
// Create dummy UE
dummy_ue::args_t ue_args = {};
ue_args.stack.log_level = args.stack_log_level;
ue_args.phy.log_level = args.phy_log_level;
ue_args.phy.srate_hz = args.srate_hz;
dummy_ue ue(ue_args, *radio);
dummy_ue ue(ue_args, radio.get());
// Transition PHY to cell search
srsue::phy_nr_sa::cell_search_args_t cell_search_req = {};

2
srsue/src/stack/mac_nr/proc_ra_nr.cc
Unescape Escape View File

@ -213,7 +213,7 @@ void proc_ra_nr::ra_response_reception(const mac_interface_phy_nr::tb_action_dl_
temp_crnti = subpdu.get_temp_crnti();
// Set Temporary-C-RNTI if provided, otherwise C-RNTI is ok
phy->set_ul_grant(tb.rx_slot_idx, subpdu.get_ul_grant(), temp_crnti, srsran_rnti_type_ra);
phy->set_rar_grant(tb.rx_slot_idx, subpdu.get_ul_grant(), temp_crnti, srsran_rnti_type_ra);
// reset all parameters that are used before rar
rar_rnti = SRSRAN_INVALID_RNTI;

9
srsue/src/stack/mac_nr/test/mac_nr_test.cc
Unescape Escape View File

@ -35,11 +35,10 @@ public:
preamble_index = preamble_index_;
preamble_received_target_power = preamble_received_target_power_;
}
int tx_request(const tx_request_t& request) override { return 0; }
int set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS>,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS>,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
{
return 0;
}

16
srsue/src/stack/mac_nr/test/proc_ra_nr_test.cc
Unescape Escape View File

@ -29,14 +29,6 @@ public:
preamble_index = preamble_index_;
preamble_received_target_power = preamble_received_target_power_;
}
int tx_request(const tx_request_t& request) override { return 0; }
int set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS>,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
{
return 0;
}
void get_last_send_prach(uint32_t* prach_occasion_, uint32_t* preamble_index_, int* preamble_received_target_power_)
{
@ -47,6 +39,14 @@ public:
bool has_valid_sr_resource(uint32_t sr_id) override { return false; }
void clear_pending_grants() override {}
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS> packed_ul_grant,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
{
return -1;
}
private:
uint32_t prach_occasion = 0;
uint32_t preamble_index = 0;

9
srsue/src/stack/mac_nr/test/proc_sr_nr_test.cc
Unescape Escape View File

@ -30,11 +30,10 @@ public:
preamble_index = preamble_index_;
preamble_received_target_power = preamble_received_target_power_;
}
int tx_request(const tx_request_t& request) override { return 0; }
int set_ul_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS>,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
int set_rar_grant(uint32_t rar_slot_idx,
std::array<uint8_t, SRSRAN_RAR_UL_GRANT_NBITS>,
uint16_t rnti,
srsran_rnti_type_t rnti_type) override
{
return 0;
}

6
srsue/src/stack/rrc_nr/test/ue_rrc_nr_test.cc
Unescape Escape View File

@ -22,7 +22,11 @@ using namespace srsue;
class dummy_phy : public phy_interface_rrc_nr
{
bool set_config(const srsran::phy_cfg_nr_t& cfg) { return true; }
bool set_config(const srsran::phy_cfg_nr_t& cfg) override { return true; }
phy_nr_state_t get_state() const override { return PHY_NR_STATE_IDLE; };
void reset_nr() override{};
bool start_cell_search(const cell_search_args_t& req) override { return false; };
bool start_cell_select(const cell_search_args_t& req) override { return false; };
};
class dummy_mac : public mac_interface_rrc_nr

4
test/phy/dummy_ue_stack.h
Unescape Escape View File

@ -18,7 +18,7 @@
#include "srsran/asn1/rrc_nr.h"
#include "srsran/interfaces/ue_nr_interfaces.h"
class ue_dummy_stack : public srsue::stack_interface_phy_sa_nr
class ue_dummy_stack : public srsue::stack_interface_phy_nr
{
public:
struct prach_metrics_t {
@ -141,6 +141,7 @@ public:
void cell_search_found_cell(const cell_search_result_t& result) override
{
#if 0
// Unpack MIB with ASN1
asn1::rrc_nr::mib_s mib_asn1;
asn1::cbit_ref cbit(result.pbch_msg.payload, SRSRAN_PBCH_MSG_NR_SZ);
@ -164,6 +165,7 @@ public:
logger.info(
"Cell found pci=%d %s %s ASN1: %s", result.pci, mib_info.data(), csi_info.data(), json.to_string().c_str());
#endif
}
};

5
test/phy/test_bench.h
Unescape Escape View File

@ -14,6 +14,7 @@
#define SRSRAN_TEST_BENCH_H
#include "dummy_phy_common.h"
#include "dummy_ue_phy.h"
#include "srsenb/hdr/phy/nr/worker_pool.h"
#include "srsue/hdr/phy/nr/worker_pool.h"
@ -30,7 +31,7 @@ private:
srsenb::nr::worker_pool gnb_phy;
phy_common gnb_phy_com;
ue_dummy_stack ue_stack;
srsue::nr::worker_pool ue_phy;
ue_dummy_phy ue_phy;
phy_common ue_phy_com;
bool initialised = false;
uint32_t sf_sz = 0;
@ -70,7 +71,7 @@ public:
gnb_stack(args.gnb_stack),
gnb_phy(gnb_phy_com, gnb_stack, srslog::get_default_sink(), args.gnb_phy.nof_phy_threads),
ue_stack(args.ue_stack, ue_phy),
ue_phy(args.ue_phy.nof_phy_threads),
ue_phy("PHY", args.ue_phy.nof_phy_threads),
ue_phy_com(phy_common::args_t(args.srate_hz, args.buffer_sz_ms, args.nof_channels),
srslog::fetch_basic_logger(UE_PHY_COM_LOG_NAME, srslog::get_default_sink(), false)),

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