mirror of https://github.com/pvnis/srsRAN_4G.git
added srsue::rrc_nr
parent
bbe25a00d4
commit
6a164e032d
@ -0,0 +1,154 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2013-2020 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/.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef SRSUE_RRC_NR_H
|
||||||
|
#define SRSUE_RRC_NR_H
|
||||||
|
|
||||||
|
#include "srslte/asn1/rrc_nr_asn1.h"
|
||||||
|
#include "srslte/common/block_queue.h"
|
||||||
|
#include "srslte/common/buffer_pool.h"
|
||||||
|
#include "srslte/interfaces/ue_interfaces.h"
|
||||||
|
#include "srslte/interfaces/ue_nr_interfaces.h"
|
||||||
|
#include "srsue/hdr/stack/upper/gw.h"
|
||||||
|
|
||||||
|
namespace srsue {
|
||||||
|
|
||||||
|
// Expert arguments to create GW without proper RRC
|
||||||
|
struct core_less_args_t {
|
||||||
|
std::string ip_addr;
|
||||||
|
srsue::gw_args_t gw_args;
|
||||||
|
uint8_t drb_lcid;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct rrc_nr_args_t {
|
||||||
|
core_less_args_t coreless;
|
||||||
|
std::string log_level;
|
||||||
|
uint32_t log_hex_limit;
|
||||||
|
};
|
||||||
|
|
||||||
|
struct rrc_nr_metrics_t {};
|
||||||
|
|
||||||
|
class rrc_nr : public rrc_interface_phy_nr,
|
||||||
|
public rrc_interface_pdcp,
|
||||||
|
public rrc_interface_rlc,
|
||||||
|
public srslte::timer_callback
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
rrc_nr();
|
||||||
|
~rrc_nr();
|
||||||
|
|
||||||
|
void init(phy_interface_rrc_nr* phy_,
|
||||||
|
mac_interface_rrc_nr* mac_,
|
||||||
|
rlc_interface_rrc* rlc_,
|
||||||
|
pdcp_interface_rrc* pdcp_,
|
||||||
|
gw_interface_rrc* gw_,
|
||||||
|
srslte::timer_handler* timers_,
|
||||||
|
stack_interface_rrc* stack_,
|
||||||
|
const rrc_nr_args_t& args_);
|
||||||
|
|
||||||
|
void stop();
|
||||||
|
|
||||||
|
void get_metrics(rrc_nr_metrics_t& m);
|
||||||
|
|
||||||
|
// Timeout callback interface
|
||||||
|
void timer_expired(uint32_t timeout_id) final;
|
||||||
|
void srslte_rrc_log(const char* str);
|
||||||
|
|
||||||
|
enum direction_t { Rx = 0, Tx };
|
||||||
|
template <class T>
|
||||||
|
void log_rrc_message(const std::string& source, direction_t dir, const srslte::byte_buffer_t* pdu, const T& msg);
|
||||||
|
|
||||||
|
// PHY interface
|
||||||
|
void in_sync() final;
|
||||||
|
void out_of_sync() final;
|
||||||
|
|
||||||
|
// MAC interface
|
||||||
|
void run_tti(uint32_t tti) final;
|
||||||
|
|
||||||
|
// RLC interface
|
||||||
|
void max_retx_attempted() final;
|
||||||
|
|
||||||
|
// PDCP interface
|
||||||
|
void write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
|
||||||
|
void write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu) final;
|
||||||
|
void write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu) final;
|
||||||
|
void write_pdu_pcch(srslte::unique_byte_buffer_t pdu) final;
|
||||||
|
void write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) final;
|
||||||
|
|
||||||
|
// STACK interface
|
||||||
|
void cell_search_completed(const phy_interface_rrc_lte::cell_search_ret_t& cs_ret,
|
||||||
|
const phy_interface_rrc_lte::phy_cell_t& found_cell);
|
||||||
|
|
||||||
|
private:
|
||||||
|
struct cmd_msg_t {
|
||||||
|
enum { PDU, PCCH, PDU_MCH, RLF, PDU_BCCH_DLSCH, STOP } command;
|
||||||
|
srslte::unique_byte_buffer_t pdu;
|
||||||
|
uint16_t lcid;
|
||||||
|
};
|
||||||
|
|
||||||
|
bool running = false;
|
||||||
|
srslte::block_queue<cmd_msg_t> cmd_q;
|
||||||
|
|
||||||
|
srslte::byte_buffer_pool* pool = nullptr;
|
||||||
|
phy_interface_rrc_nr* phy = nullptr;
|
||||||
|
mac_interface_rrc* mac = nullptr;
|
||||||
|
rlc_interface_rrc* rlc = nullptr;
|
||||||
|
pdcp_interface_rrc* pdcp = nullptr;
|
||||||
|
gw_interface_rrc* gw = nullptr;
|
||||||
|
stack_interface_rrc* stack = nullptr;
|
||||||
|
|
||||||
|
srslte::log_ref log_h;
|
||||||
|
|
||||||
|
/// RRC states (3GPP 38.331 v15.5.1 Sec 4.2.1)
|
||||||
|
enum rrc_nr_state_t {
|
||||||
|
RRC_NR_STATE_IDLE = 0,
|
||||||
|
RRC_NR_STATE_CONNECTED,
|
||||||
|
RRC_NR_STATE_CONNECTED_INACTIVE,
|
||||||
|
RRC_NR_STATE_N_ITEMS,
|
||||||
|
};
|
||||||
|
const static char* rrc_nr_state_text[RRC_NR_STATE_N_ITEMS];
|
||||||
|
|
||||||
|
rrc_nr_state_t state = RRC_NR_STATE_IDLE, last_state = RRC_NR_STATE_IDLE;
|
||||||
|
uint8_t transaction_id = 0;
|
||||||
|
|
||||||
|
rrc_nr_args_t args = {};
|
||||||
|
|
||||||
|
// RRC constants and timers
|
||||||
|
srslte::timer_handler* timers = nullptr;
|
||||||
|
|
||||||
|
// Radio bearers
|
||||||
|
std::map<int, std::string> rb_id_t = {{0, "SRB0"}, {1, "SRB1"}, {2, "SRB2"}, {3, "SRB3"}, {4, "DRB1"}};
|
||||||
|
|
||||||
|
std::string get_rb_name(uint32_t lcid) final
|
||||||
|
{
|
||||||
|
if (lcid < rb_id_t.size()) {
|
||||||
|
return rb_id_t.at(lcid);
|
||||||
|
} else {
|
||||||
|
return "INVALID_RB";
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool initiated = false;
|
||||||
|
};
|
||||||
|
|
||||||
|
} // namespace srsue
|
||||||
|
|
||||||
|
#endif // SRSUE_RRC_NR_H
|
@ -0,0 +1,101 @@
|
|||||||
|
/*
|
||||||
|
* Copyright 2013-2020 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 "srsue/hdr/stack/rrc/rrc_nr.h"
|
||||||
|
|
||||||
|
using namespace asn1::rrc_nr;
|
||||||
|
|
||||||
|
namespace srsue {
|
||||||
|
|
||||||
|
const char* rrc_nr::rrc_nr_state_text[] = {"IDLE", "CONNECTED", "CONNECTED-INACTIVE"};
|
||||||
|
|
||||||
|
rrc_nr::rrc_nr() : log_h("RRC") {}
|
||||||
|
|
||||||
|
rrc_nr::~rrc_nr() = default;
|
||||||
|
|
||||||
|
void rrc_nr::init(phy_interface_rrc_nr* phy_,
|
||||||
|
mac_interface_rrc_nr* mac_,
|
||||||
|
rlc_interface_rrc* rlc_,
|
||||||
|
pdcp_interface_rrc* pdcp_,
|
||||||
|
gw_interface_rrc* gw_,
|
||||||
|
srslte::timer_handler* timers_,
|
||||||
|
stack_interface_rrc* stack_,
|
||||||
|
const rrc_nr_args_t& args_)
|
||||||
|
{
|
||||||
|
phy = phy_;
|
||||||
|
rlc = rlc_;
|
||||||
|
pdcp = pdcp_;
|
||||||
|
gw = gw_;
|
||||||
|
timers = timers_;
|
||||||
|
stack = stack_;
|
||||||
|
args = args_;
|
||||||
|
|
||||||
|
log_h->info("Creating dummy DRB on LCID=%d\n", args.coreless.drb_lcid);
|
||||||
|
srslte::rlc_config_t rlc_cnfg = srslte::rlc_config_t::default_rlc_um_nr_config(6);
|
||||||
|
rlc->add_bearer(args.coreless.drb_lcid, rlc_cnfg);
|
||||||
|
|
||||||
|
srslte::pdcp_config_t pdcp_cnfg{args.coreless.drb_lcid,
|
||||||
|
srslte::PDCP_RB_IS_DRB,
|
||||||
|
srslte::SECURITY_DIRECTION_DOWNLINK,
|
||||||
|
srslte::SECURITY_DIRECTION_UPLINK,
|
||||||
|
srslte::PDCP_SN_LEN_18,
|
||||||
|
srslte::pdcp_t_reordering_t::ms500,
|
||||||
|
srslte::pdcp_discard_timer_t ::ms100};
|
||||||
|
|
||||||
|
pdcp->add_bearer(args.coreless.drb_lcid, pdcp_cnfg);
|
||||||
|
}
|
||||||
|
|
||||||
|
void rrc_nr::stop() {}
|
||||||
|
|
||||||
|
void rrc_nr::get_metrics(rrc_nr_metrics_t& m) {}
|
||||||
|
|
||||||
|
// Timeout callback interface
|
||||||
|
void rrc_nr::timer_expired(uint32_t timeout_id) {}
|
||||||
|
|
||||||
|
void rrc_nr::srslte_rrc_log(const char* str) {}
|
||||||
|
|
||||||
|
template <class T>
|
||||||
|
void rrc_nr::log_rrc_message(const std::string& source, direction_t dir, const srslte::byte_buffer_t* pdu, const T& msg)
|
||||||
|
{}
|
||||||
|
|
||||||
|
// PHY interface
|
||||||
|
void rrc_nr::in_sync() {}
|
||||||
|
void rrc_nr::out_of_sync() {}
|
||||||
|
|
||||||
|
// MAC interface
|
||||||
|
void rrc_nr::run_tti(uint32_t tti) {}
|
||||||
|
|
||||||
|
// PDCP interface
|
||||||
|
void rrc_nr::write_pdu(uint32_t lcid, srslte::unique_byte_buffer_t pdu) {}
|
||||||
|
void rrc_nr::write_pdu_bcch_bch(srslte::unique_byte_buffer_t pdu) {}
|
||||||
|
void rrc_nr::write_pdu_bcch_dlsch(srslte::unique_byte_buffer_t pdu) {}
|
||||||
|
void rrc_nr::write_pdu_pcch(srslte::unique_byte_buffer_t pdu) {}
|
||||||
|
void rrc_nr::write_pdu_mch(uint32_t lcid, srslte::unique_byte_buffer_t pdu) {}
|
||||||
|
|
||||||
|
// RLC interface
|
||||||
|
void rrc_nr::max_retx_attempted() {}
|
||||||
|
|
||||||
|
// STACK interface
|
||||||
|
void rrc_nr::cell_search_completed(const phy_interface_rrc_lte::cell_search_ret_t& cs_ret,
|
||||||
|
const phy_interface_rrc_lte::phy_cell_t& found_cell)
|
||||||
|
{}
|
||||||
|
|
||||||
|
} // namespace srsue
|
Loading…
Reference in New Issue