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.
272 lines
8.6 KiB
C++
272 lines
8.6 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2017 Software Radio Systems Limited
|
|
*
|
|
* \section LICENSE
|
|
*
|
|
* This file is part of srsLTE.
|
|
*
|
|
* srsUE 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.
|
|
*
|
|
* srsUE 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 "srslte/srslte.h"
|
|
|
|
#include "srslte/common/common.h"
|
|
#include "srslte/common/security.h"
|
|
#include "srslte/common/interfaces_common.h"
|
|
#include "srslte/interfaces/sched_interface.h"
|
|
#include "srslte/upper/rlc_interface.h"
|
|
#include "srslte/asn1/liblte_rrc.h"
|
|
#include "srslte/asn1/liblte_s1ap.h"
|
|
|
|
#include <vector>
|
|
|
|
#ifndef ENBINTERFACES_H
|
|
#define ENBINTERFACES_H
|
|
|
|
namespace srsenb {
|
|
|
|
/* Interface PHY -> MAC */
|
|
class mac_interface_phy
|
|
{
|
|
public:
|
|
const static int MAX_GRANTS = 64;
|
|
|
|
typedef struct {
|
|
srslte_enb_dl_pdsch_t sched_grants[MAX_GRANTS];
|
|
uint32_t nof_grants;
|
|
uint32_t cfi;
|
|
} dl_sched_t;
|
|
|
|
typedef struct {
|
|
srslte_enb_ul_pusch_t sched_grants[MAX_GRANTS];
|
|
srslte_enb_dl_phich_t phich[MAX_GRANTS];
|
|
uint32_t nof_grants;
|
|
uint32_t nof_phich;
|
|
} ul_sched_t;
|
|
|
|
|
|
virtual int sr_detected(uint32_t tti, uint16_t rnti) = 0;
|
|
virtual int rach_detected(uint32_t tti, uint32_t preamble_idx, uint32_t time_adv) = 0;
|
|
|
|
virtual int cqi_info(uint32_t tti, uint16_t rnti, uint32_t cqi_value) = 0;
|
|
virtual int snr_info(uint32_t tti, uint16_t rnti, float snr_db) = 0;
|
|
virtual int ack_info(uint32_t tti, uint16_t rnti, bool ack) = 0;
|
|
virtual int crc_info(uint32_t tti, uint16_t rnti, uint32_t nof_bytes, bool crc_res) = 0;
|
|
|
|
virtual int get_dl_sched(uint32_t tti, dl_sched_t *dl_sched_res) = 0;
|
|
virtual int get_ul_sched(uint32_t tti, ul_sched_t *ul_sched_res) = 0;
|
|
|
|
// Radio-Link status
|
|
virtual void rl_failure(uint16_t rnti) = 0;
|
|
virtual void rl_ok(uint16_t rnti) = 0;
|
|
|
|
virtual void tti_clock() = 0;
|
|
};
|
|
|
|
/* Interface MAC -> PHY */
|
|
class phy_interface_mac
|
|
{
|
|
public:
|
|
|
|
/* MAC adds/removes an RNTI to the list of active RNTIs */
|
|
virtual int add_rnti(uint16_t rnti) = 0;
|
|
virtual void rem_rnti(uint16_t rnti) = 0;
|
|
};
|
|
|
|
/* Interface RRC -> PHY */
|
|
class phy_interface_rrc
|
|
{
|
|
public:
|
|
virtual void set_config_dedicated(uint16_t rnti, LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT* dedicated) = 0;
|
|
|
|
};
|
|
|
|
class mac_interface_rrc
|
|
{
|
|
public:
|
|
/* Provides cell configuration including SIB periodicity, etc. */
|
|
virtual int cell_cfg(sched_interface::cell_cfg_t *cell_cfg) = 0;
|
|
virtual void reset() = 0;
|
|
|
|
/* Manages UE configuration context */
|
|
virtual int ue_cfg(uint16_t rnti, sched_interface::ue_cfg_t *cfg) = 0;
|
|
virtual int ue_rem(uint16_t rnti) = 0;
|
|
|
|
/* Manages UE bearers and associated configuration */
|
|
virtual int bearer_ue_cfg(uint16_t rnti, uint32_t lc_id, sched_interface::ue_bearer_cfg_t *cfg) = 0;
|
|
virtual int bearer_ue_rem(uint16_t rnti, uint32_t lc_id) = 0;
|
|
virtual void phy_config_enabled(uint16_t rnti, bool enabled) = 0;
|
|
|
|
};
|
|
|
|
class mac_interface_rlc
|
|
{
|
|
public:
|
|
virtual int rlc_buffer_state(uint16_t rnti, uint32_t lc_id, uint32_t tx_queue, uint32_t retx_queue) = 0;
|
|
};
|
|
|
|
//RLC interface for MAC
|
|
class rlc_interface_mac
|
|
{
|
|
public:
|
|
|
|
/* MAC calls RLC to get RLC segment of nof_bytes length.
|
|
* Segmentation happens in this function. RLC PDU is stored in payload. */
|
|
virtual int read_pdu(uint16_t rnti, uint32_t lcid, uint8_t *payload, uint32_t nof_bytes) = 0;
|
|
|
|
virtual void read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t *payload) = 0;
|
|
virtual void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size) = 0;
|
|
|
|
/* MAC calls RLC to push an RLC PDU. This function is called from an independent MAC thread.
|
|
* PDU gets placed into the buffer and higher layer thread gets notified. */
|
|
virtual void write_pdu(uint16_t rnti, uint32_t lcid, uint8_t *payload, uint32_t nof_bytes) = 0;
|
|
|
|
};
|
|
|
|
|
|
// RLC interface for PDCP
|
|
class rlc_interface_pdcp
|
|
{
|
|
public:
|
|
/* PDCP calls RLC to push an RLC SDU. SDU gets placed into the RLC buffer and MAC pulls
|
|
* RLC PDUs according to TB size. */
|
|
virtual void write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
|
|
virtual bool rb_is_um(uint16_t rnti, uint32_t lcid) = 0;
|
|
};
|
|
|
|
// RLC interface for RRC
|
|
class rlc_interface_rrc
|
|
{
|
|
public:
|
|
virtual void reset(uint16_t rnti) = 0;
|
|
virtual void clear_buffer(uint16_t rnti) = 0;
|
|
virtual void add_user(uint16_t rnti) = 0;
|
|
virtual void rem_user(uint16_t rnti) = 0;
|
|
virtual void add_bearer(uint16_t rnti, uint32_t lcid) = 0;
|
|
virtual void add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_rlc_config_t cnfg) = 0;
|
|
};
|
|
|
|
// PDCP interface for GTPU
|
|
class pdcp_interface_gtpu
|
|
{
|
|
public:
|
|
virtual void write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
|
|
};
|
|
|
|
// PDCP interface for RRC
|
|
class pdcp_interface_rrc
|
|
{
|
|
public:
|
|
virtual void reset(uint16_t rnti) = 0;
|
|
virtual void add_user(uint16_t rnti) = 0;
|
|
virtual void rem_user(uint16_t rnti) = 0;
|
|
virtual void write_sdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
|
|
virtual void add_bearer(uint16_t rnti, uint32_t lcid, srslte::srslte_pdcp_config_t cnfg) = 0;
|
|
virtual void config_security(uint16_t rnti,
|
|
uint32_t lcid,
|
|
uint8_t *k_rrc_enc_,
|
|
uint8_t *k_rrc_int_,
|
|
srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo_,
|
|
srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo_) = 0;
|
|
};
|
|
|
|
// PDCP interface for RLC
|
|
class pdcp_interface_rlc
|
|
{
|
|
public:
|
|
/* RLC calls PDCP to push a PDCP PDU. */
|
|
virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *sdu) = 0;
|
|
};
|
|
|
|
// RRC interface for RLC
|
|
class rrc_interface_rlc
|
|
{
|
|
public:
|
|
virtual void read_pdu_bcch_dlsch(uint32_t sib_index, uint8_t *payload) = 0;
|
|
virtual void read_pdu_pcch(uint8_t *payload, uint32_t payload_size) = 0;
|
|
virtual void max_retx_attempted(uint16_t rnti) = 0;
|
|
};
|
|
|
|
// RRC interface for MAC
|
|
class rrc_interface_mac
|
|
{
|
|
public:
|
|
/* Radio Link failure */
|
|
virtual void rl_failure(uint16_t rnti) = 0;
|
|
virtual void add_user(uint16_t rnti) = 0;
|
|
virtual void upd_user(uint16_t new_rnti, uint16_t old_rnti) = 0;
|
|
virtual void set_activity_user(uint16_t rnti) = 0;
|
|
virtual bool is_paging_opportunity(uint32_t tti, uint32_t *payload_len) = 0;
|
|
};
|
|
|
|
// RRC interface for PDCP
|
|
class rrc_interface_pdcp
|
|
{
|
|
public:
|
|
virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *pdu) = 0;
|
|
};
|
|
|
|
// RRC interface for S1AP
|
|
class rrc_interface_s1ap
|
|
{
|
|
public:
|
|
virtual void write_dl_info(uint16_t rnti, srslte::byte_buffer_t *sdu) = 0;
|
|
virtual void release_complete(uint16_t rnti) = 0;
|
|
virtual bool setup_ue_ctxt(uint16_t rnti, LIBLTE_S1AP_MESSAGE_INITIALCONTEXTSETUPREQUEST_STRUCT *msg) = 0;
|
|
virtual bool setup_ue_erabs(uint16_t rnti, LIBLTE_S1AP_MESSAGE_E_RABSETUPREQUEST_STRUCT *msg) = 0;
|
|
virtual bool release_erabs(uint32_t rnti) = 0;
|
|
virtual void add_paging_id(uint32_t ueid, LIBLTE_S1AP_UEPAGINGID_STRUCT UEPagingID) = 0;
|
|
};
|
|
|
|
// GTPU interface for PDCP
|
|
class gtpu_interface_pdcp
|
|
{
|
|
public:
|
|
virtual void write_pdu(uint16_t rnti, uint32_t lcid, srslte::byte_buffer_t *pdu) = 0;
|
|
};
|
|
|
|
// GTPU interface for RRC
|
|
class gtpu_interface_rrc
|
|
{
|
|
public:
|
|
virtual void add_bearer(uint16_t rnti, uint32_t lcid, uint32_t addr, uint32_t teid_out, uint32_t *teid_in) = 0;
|
|
virtual void rem_bearer(uint16_t rnti, uint32_t lcid) = 0;
|
|
virtual void rem_user(uint16_t rnti) = 0;
|
|
};
|
|
|
|
// S1AP interface for RRC
|
|
class s1ap_interface_rrc
|
|
{
|
|
public:
|
|
virtual void initial_ue(uint16_t rnti, srslte::byte_buffer_t *pdu) = 0;
|
|
virtual void initial_ue(uint16_t rnti, srslte::byte_buffer_t *pdu, uint32_t m_tmsi, uint8_t mmec) = 0;
|
|
virtual void write_pdu(uint16_t rnti, srslte::byte_buffer_t *pdu) = 0;
|
|
virtual bool user_exists(uint16_t rnti) = 0;
|
|
virtual void user_inactivity(uint16_t rnti) = 0;
|
|
virtual void release_eutran(uint16_t rnti) = 0;
|
|
virtual bool user_link_lost(uint16_t rnti) = 0;
|
|
virtual void ue_ctxt_setup_complete(uint16_t rnti, LIBLTE_S1AP_MESSAGE_INITIALCONTEXTSETUPRESPONSE_STRUCT *res) = 0;
|
|
virtual void ue_erab_setup_complete(uint16_t rnti, LIBLTE_S1AP_MESSAGE_E_RABSETUPRESPONSE_STRUCT *res) = 0;
|
|
// virtual void ue_capabilities(uint16_t rnti, LIBLTE_RRC_UE_EUTRA_CAPABILITY_STRUCT *caps) = 0;
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|