2020-11-26 01:25:22 -08:00
|
|
|
/**
|
2021-03-28 14:12:42 -07:00
|
|
|
* Copyright 2013-2021 Software Radio Systems Limited
|
2017-06-02 03:46:06 -07:00
|
|
|
*
|
2021-03-28 14:12:42 -07:00
|
|
|
* This file is part of srsLTE.
|
2017-06-02 03:46:06 -07:00
|
|
|
*
|
2021-03-28 14:12:42 -07:00
|
|
|
* 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.
|
2017-06-02 03:46:06 -07:00
|
|
|
*
|
2021-03-28 14:12:42 -07:00
|
|
|
* 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/.
|
2017-06-02 03:46:06 -07:00
|
|
|
*
|
|
|
|
*/
|
2017-06-01 03:25:57 -07:00
|
|
|
|
2021-04-07 06:51:00 -07:00
|
|
|
#include "srsenb/hdr/common/rnti_pool.h"
|
2021-03-19 03:45:56 -07:00
|
|
|
#include "srsran/interfaces/enb_metrics_interface.h"
|
|
|
|
#include "srsran/interfaces/enb_rlc_interfaces.h"
|
|
|
|
#include "srsran/interfaces/ue_interfaces.h"
|
|
|
|
#include "srsran/srslog/srslog.h"
|
|
|
|
#include "srsran/upper/rlc.h"
|
2019-11-28 08:29:21 -08:00
|
|
|
#include <map>
|
2017-06-01 03:25:57 -07:00
|
|
|
|
2018-03-31 10:04:04 -07:00
|
|
|
#ifndef SRSENB_RLC_H
|
|
|
|
#define SRSENB_RLC_H
|
2017-06-01 03:25:57 -07:00
|
|
|
|
2018-05-15 08:13:30 -07:00
|
|
|
typedef struct {
|
2019-11-28 08:29:21 -08:00
|
|
|
uint32_t lcid;
|
|
|
|
uint32_t plmn;
|
|
|
|
uint16_t mtch_stop;
|
|
|
|
uint8_t* payload;
|
2019-10-21 10:00:49 -07:00
|
|
|
} mch_service_t;
|
2018-05-15 08:13:30 -07:00
|
|
|
|
2017-06-01 03:25:57 -07:00
|
|
|
namespace srsenb {
|
2019-10-21 10:00:49 -07:00
|
|
|
|
2021-02-11 03:17:45 -08:00
|
|
|
class rrc_interface_rlc;
|
|
|
|
class pdcp_interface_rlc;
|
|
|
|
class mac_interface_rlc;
|
|
|
|
|
2019-10-21 10:00:49 -07:00
|
|
|
class rlc : public rlc_interface_mac, public rlc_interface_rrc, public rlc_interface_pdcp
|
2017-06-01 03:25:57 -07:00
|
|
|
{
|
|
|
|
public:
|
2021-01-28 03:17:18 -08:00
|
|
|
explicit rlc(srslog::basic_logger& logger) : logger(logger) {}
|
|
|
|
void
|
2021-04-07 06:51:00 -07:00
|
|
|
init(pdcp_interface_rlc* pdcp_, rrc_interface_rlc* rrc_, mac_interface_rlc* mac_, srsran::timer_handler* timers_);
|
2019-09-04 06:28:09 -07:00
|
|
|
void stop();
|
2020-12-14 06:04:30 -08:00
|
|
|
void get_metrics(rlc_metrics_t& m, const uint32_t nof_tti);
|
2019-09-04 06:28:09 -07:00
|
|
|
|
2017-06-01 03:25:57 -07:00
|
|
|
// rlc_interface_rrc
|
|
|
|
void clear_buffer(uint16_t rnti);
|
2019-11-28 08:29:21 -08:00
|
|
|
void add_user(uint16_t rnti);
|
2017-06-01 03:25:57 -07:00
|
|
|
void rem_user(uint16_t rnti);
|
2021-03-19 03:45:56 -07:00
|
|
|
void add_bearer(uint16_t rnti, uint32_t lcid, srsran::rlc_config_t cnfg);
|
2018-05-15 08:13:30 -07:00
|
|
|
void add_bearer_mrb(uint16_t rnti, uint32_t lcid);
|
2020-05-14 09:20:50 -07:00
|
|
|
void del_bearer(uint16_t rnti, uint32_t lcid);
|
2019-08-08 02:15:44 -07:00
|
|
|
bool has_bearer(uint16_t rnti, uint32_t lcid);
|
2020-01-17 12:41:58 -08:00
|
|
|
bool suspend_bearer(uint16_t rnti, uint32_t lcid);
|
|
|
|
bool resume_bearer(uint16_t rnti, uint32_t lcid);
|
2020-05-26 02:50:49 -07:00
|
|
|
void reestablish(uint16_t rnti) final;
|
2017-06-01 03:25:57 -07:00
|
|
|
|
|
|
|
// rlc_interface_pdcp
|
2021-03-19 03:45:56 -07:00
|
|
|
void write_sdu(uint16_t rnti, uint32_t lcid, srsran::unique_byte_buffer_t sdu);
|
2019-11-25 10:34:18 -08:00
|
|
|
void discard_sdu(uint16_t rnti, uint32_t lcid, uint32_t discard_sn);
|
|
|
|
bool rb_is_um(uint16_t rnti, uint32_t lcid);
|
2021-04-09 04:28:25 -07:00
|
|
|
const char* get_rb_name(uint32_t lcid);
|
2020-07-10 13:23:35 -07:00
|
|
|
bool sdu_queue_is_full(uint16_t rnti, uint32_t lcid);
|
2019-11-25 10:34:18 -08:00
|
|
|
|
2017-06-01 03:25:57 -07:00
|
|
|
// rlc_interface_mac
|
2019-11-28 08:29:21 -08:00
|
|
|
int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
|
|
|
|
void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t* payload, uint32_t nof_bytes);
|
|
|
|
void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size);
|
|
|
|
|
2019-06-06 07:52:37 -07:00
|
|
|
private:
|
|
|
|
class user_interface : public srsue::pdcp_interface_rlc, public srsue::rrc_interface_rlc
|
2017-06-01 03:25:57 -07:00
|
|
|
{
|
2019-05-01 09:41:04 -07:00
|
|
|
public:
|
2021-03-19 03:45:56 -07:00
|
|
|
void write_pdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu);
|
|
|
|
void notify_delivery(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn);
|
|
|
|
void notify_failure(uint32_t lcid, const srsran::pdcp_sn_vector_t& pdcp_sn);
|
|
|
|
void write_pdu_bcch_bch(srsran::unique_byte_buffer_t sdu);
|
|
|
|
void write_pdu_bcch_dlsch(srsran::unique_byte_buffer_t sdu);
|
|
|
|
void write_pdu_pcch(srsran::unique_byte_buffer_t sdu);
|
|
|
|
void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
|
2019-11-28 08:29:21 -08:00
|
|
|
void max_retx_attempted();
|
2021-04-09 04:28:25 -07:00
|
|
|
const char* get_rb_name(uint32_t lcid);
|
2019-11-28 08:29:21 -08:00
|
|
|
uint16_t rnti;
|
2017-06-01 03:25:57 -07:00
|
|
|
|
2019-11-28 08:29:21 -08:00
|
|
|
srsenb::pdcp_interface_rlc* pdcp;
|
|
|
|
srsenb::rrc_interface_rlc* rrc;
|
2021-04-07 06:51:00 -07:00
|
|
|
unique_rnti_ptr<srsran::rlc> rlc;
|
2019-11-28 08:29:21 -08:00
|
|
|
srsenb::rlc* parent;
|
2018-07-05 02:00:19 -07:00
|
|
|
};
|
|
|
|
|
2020-05-22 02:20:33 -07:00
|
|
|
void update_bsr(uint32_t rnti, uint32_t lcid, uint32_t tx_queue, uint32_t retx_queue);
|
|
|
|
|
2018-07-05 02:00:19 -07:00
|
|
|
pthread_rwlock_t rwlock;
|
|
|
|
|
2019-10-21 10:00:49 -07:00
|
|
|
std::map<uint32_t, user_interface> users;
|
|
|
|
std::vector<mch_service_t> mch_services;
|
|
|
|
|
2021-02-06 17:08:15 -08:00
|
|
|
mac_interface_rlc* mac;
|
|
|
|
pdcp_interface_rlc* pdcp;
|
|
|
|
rrc_interface_rlc* rrc;
|
|
|
|
srslog::basic_logger& logger;
|
2021-03-19 03:45:56 -07:00
|
|
|
srsran::timer_handler* timers;
|
2017-06-01 03:25:57 -07:00
|
|
|
};
|
|
|
|
|
2019-09-04 06:28:09 -07:00
|
|
|
} // namespace srsenb
|
2017-06-01 03:25:57 -07:00
|
|
|
|
2018-03-31 10:04:04 -07:00
|
|
|
#endif // SRSENB_RLC_H
|