OpenLTE 基站相关头文件：PHY、MAC、RLC、RRC、PDCP、RB、MME、HSS、GW
Table of Contents
物理层：LTE_fdd_enb_phy.h
多媒体层：LTE_fdd_enb_mac.h
无线链路控制层：LTE_fdd_enb_rlc.h
无线资源控制：LTE_fdd_enb_rrc.h
分组数据汇聚层：LTE_fdd_enb_pdcp.h
无线载波：LTE_fdd_enb_rb.h
移动管理实体层：LTE_fdd_enb_mme.h
数据库服务：LTE_fdd_enb_hss.h
网关：LTE_fdd_enb_gw.h (S-GW, P-GW)
物理层：LTE_fdd_enb_phy.h
/*******************************************************************************
Copyright 2013-2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 多媒体层：LTE_fdd_enb_mac.h
/*******************************************************************************
Copyright 2013-2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
/*******************************************************************************
DEFINES
*******************************************************************************/
#define LTE_FDD_ENB_MAX_HARQ_RETX 5
/*******************************************************************************
FORWARD DECLARATIONS
*******************************************************************************/
/*******************************************************************************
TYPEDEFS
*******************************************************************************/
typedef struct{
LIBLTE_PHY_ALLOCATION_STRUCT dl_alloc;
LIBLTE_PHY_ALLOCATION_STRUCT ul_alloc;
LIBLTE_MAC_RAR_STRUCT rar;
uint32 current_tti;
}LTE_FDD_ENB_RAR_SCHED_QUEUE_STRUCT;
typedef struct{
LIBLTE_PHY_ALLOCATION_STRUCT alloc;
LIBLTE_MAC_PDU_STRUCT mac_pdu;
uint32 current_tti;
}LTE_FDD_ENB_DL_SCHED_QUEUE_STRUCT;
typedef struct{
LIBLTE_PHY_ALLOCATION_STRUCT alloc;
uint32 current_tti;
}LTE_FDD_ENB_UL_SCHED_QUEUE_STRUCT;
typedef struct{
uint32 i_sr;
uint32 n_1_p_pucch;
uint16 rnti;
}LTE_FDD_ENB_UL_SR_SCHED_QUEUE_STRUCT;
/*******************************************************************************
CLASS DECLARATIONS
*******************************************************************************/
class LTE_fdd_enb_mac
{
public:
// Singleton
static LTE_fdd_enb_mac* get_instance(void);
static void cleanup(void);
// Start/Stop
void start(LTE_fdd_enb_msgq *from_phy, LTE_fdd_enb_msgq *from_rlc, LTE_fdd_enb_msgq *to_phy, LTE_fdd_enb_msgq *to_rlc, LTE_fdd_enb_msgq *to_timer, bool direct_to_ue, LTE_fdd_enb_interface *iface);
void stop(void);
// External interface
void update_sys_info(void);
void add_periodic_sr_pucch(uint16 rnti, uint32 i_sr, uint32 n_1_p_pucch);
void remove_periodic_sr_pucch(uint16 rnti);
private:
// Singleton
static LTE_fdd_enb_mac *instance;
LTE_fdd_enb_mac();
~LTE_fdd_enb_mac();
// Start/Stop
sem_t start_sem;
LTE_fdd_enb_interface *interface;
bool started;
// Communication
void handle_phy_msg(LTE_FDD_ENB_MESSAGE_STRUCT &msg);
void handle_rlc_msg(LTE_FDD_ENB_MESSAGE_STRUCT &msg);
void handle_ue_msg(LIBTOOLS_IPC_MSGQ_MESSAGE_STRUCT *msg);
LTE_fdd_enb_msgq *msgq_from_phy;
LTE_fdd_enb_msgq *msgq_from_rlc;
LTE_fdd_enb_msgq *msgq_to_phy;
LTE_fdd_enb_msgq *msgq_to_rlc;
LTE_fdd_enb_msgq *msgq_to_timer;
libtools_ipc_msgq *msgq_to_ue;
// PHY Message Handlers
void handle_ready_to_send(LTE_FDD_ENB_READY_TO_SEND_MSG_STRUCT *rts);
void handle_prach_decode(LTE_FDD_ENB_PRACH_DECODE_MSG_STRUCT *prach_decode);
void handle_pucch_decode(LTE_FDD_ENB_PUCCH_DECODE_MSG_STRUCT *pucch_decode);
void handle_pucch_ack_nack(LTE_fdd_enb_user *user, uint32 current_tti, LIBLTE_BIT_MSG_STRUCT *msg);
void handle_pucch_sr(LTE_fdd_enb_user *user, uint32 current_tti, LIBLTE_BIT_MSG_STRUCT *msg);
void handle_pusch_decode(LTE_FDD_ENB_PUSCH_DECODE_MSG_STRUCT *pusch_decode);
// RLC Message Handlers
void handle_sdu_ready(LTE_FDD_ENB_MAC_SDU_READY_MSG_STRUCT *sdu_ready);
// MAC PDU Handlers
void handle_ulsch_ccch_sdu(LTE_fdd_enb_user *user, uint32 lcid, LIBLTE_BYTE_MSG_STRUCT *sdu);
void handle_ulsch_dcch_sdu(LTE_fdd_enb_user *user, uint32 lcid, LIBLTE_BYTE_MSG_STRUCT *sdu);
void handle_ulsch_ext_power_headroom_report(LTE_fdd_enb_user *user, LIBLTE_MAC_EXT_POWER_HEADROOM_CE_STRUCT *ext_power_headroom);
void handle_ulsch_power_headroom_report(LTE_fdd_enb_user *user, LIBLTE_MAC_POWER_HEADROOM_CE_STRUCT *power_headroom);
void handle_ulsch_c_rnti(LTE_fdd_enb_user **user, LIBLTE_MAC_C_RNTI_CE_STRUCT *c_rnti);
void handle_ulsch_truncated_bsr(LTE_fdd_enb_user *user, LIBLTE_MAC_TRUNCATED_BSR_CE_STRUCT *truncated_bsr);
void handle_ulsch_short_bsr(LTE_fdd_enb_user *user, LIBLTE_MAC_SHORT_BSR_CE_STRUCT *short_bsr);
void handle_ulsch_long_bsr(LTE_fdd_enb_user *user, LIBLTE_MAC_LONG_BSR_CE_STRUCT *long_bsr);
// Data Constructors
void construct_random_access_response(uint8 preamble, uint16 timing_adv, uint32 current_tti);
// Scheduler
void sched_ul(LTE_fdd_enb_user *user, uint32 requested_tbs);
void scheduler(void);
LTE_FDD_ENB_ERROR_ENUM add_to_rar_sched_queue(uint32 current_tti, LIBLTE_PHY_ALLOCATION_STRUCT *dl_alloc, LIBLTE_PHY_ALLOCATION_STRUCT *ul_alloc, LIBLTE_MAC_RAR_STRUCT *rar);
LTE_FDD_ENB_ERROR_ENUM add_to_dl_sched_queue(uint32 current_tti, LIBLTE_MAC_PDU_STRUCT *mac_pdu, LIBLTE_PHY_ALLOCATION_STRUCT *alloc);
LTE_FDD_ENB_ERROR_ENUM add_to_ul_sched_queue(uint32 current_tti, LIBLTE_PHY_ALLOCATION_STRUCT *alloc);
sem_t rar_sched_queue_sem;
sem_t dl_sched_queue_sem;
sem_t ul_sched_queue_sem;
sem_t ul_sr_sched_queue_sem;
std::list rar_sched_queue;
std::list dl_sched_queue;
std::list ul_sched_queue;
std::list ul_sr_sched_queue;
LTE_FDD_ENB_DL_SCHEDULE_MSG_STRUCT sched_dl_subfr[10];
LTE_FDD_ENB_UL_SCHEDULE_MSG_STRUCT sched_ul_subfr[10];
uint8 sched_cur_dl_subfn;
uint8 sched_cur_ul_subfn;
// Parameters
sem_t sys_info_sem;
LTE_FDD_ENB_SYS_INFO_STRUCT sys_info;
// Helpers
uint32 get_n_reserved_prbs(uint32 current_tti);
uint32 add_to_tti(uint32 tti, uint32 addition);
bool is_tti_in_future(uint32 tti_to_check, uint32 current_tti);
};
#endif /* __LTE_FDD_ENB_MAC_H__ */
无线链路控制层：LTE_fdd_enb_rlc.h
/*******************************************************************************
Copyright 2013-2016 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 无线资源控制：LTE_fdd_enb_rrc.h
/*******************************************************************************
Copyright 2013-2017 Ben Wojtowicz
Copyright 2016 Przemek Bereski (send_ue_capability_enquiry)
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 分组数据汇聚层：LTE_fdd_enb_pdcp.h
/*******************************************************************************
Copyright 2013-2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 无线载波：LTE_fdd_enb_rb.h
/*******************************************************************************
Copyright 2014-2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
#include
移动管理实体层：LTE_fdd_enb_mme.h
/*******************************************************************************
Copyright 2013-2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 数据库服务：LTE_fdd_enb_hss.h
/*******************************************************************************
Copyright 2014-2015 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
/*******************************************************************************
DEFINES
*******************************************************************************/
#define LTE_FDD_ENB_IND_HE_N_BITS 5
#define LTE_FDD_ENB_IND_HE_MASK 0x1FUL
#define LTE_FDD_ENB_IND_HE_MAX_VALUE 31
#define LTE_FDD_ENB_SEQ_HE_MAX_VALUE 0x7FFFFFFFFFFFUL
/*******************************************************************************
FORWARD DECLARATIONS
*******************************************************************************/
/*******************************************************************************
TYPEDEFS
*******************************************************************************/
typedef struct{
uint8 k[16];
}LTE_FDD_ENB_STORED_DATA_STRUCT;
typedef struct{
LTE_FDD_ENB_AUTHENTICATION_VECTOR_STRUCT auth_vec;
uint64 sqn_he;
uint64 seq_he;
uint8 ak[6];
uint8 mac[8];
uint8 k_asme[32];
uint8 k_enb[32];
uint8 k_up_enc[32];
uint8 k_up_int[32];
uint8 ind_he;
}LTE_FDD_ENB_GENERATED_DATA_STRUCT;
typedef struct{
LTE_FDD_ENB_USER_ID_STRUCT id;
LTE_FDD_ENB_STORED_DATA_STRUCT stored_data;
LTE_FDD_ENB_GENERATED_DATA_STRUCT generated_data;
}LTE_FDD_ENB_HSS_USER_STRUCT;
/*******************************************************************************
CLASS DECLARATIONS
*******************************************************************************/
class LTE_fdd_enb_hss
{
public:
// Singleton
static LTE_fdd_enb_hss* get_instance(void);
static void cleanup(void);
// External interface
LTE_FDD_ENB_ERROR_ENUM add_user(std::string imsi, std::string imei, std::string k);
LTE_FDD_ENB_ERROR_ENUM del_user(std::string imsi);
std::string print_all_users(void);
bool is_imsi_allowed(uint64 imsi);
bool is_imei_allowed(uint64 imei);
LTE_FDD_ENB_USER_ID_STRUCT* get_user_id_from_imsi(uint64 imsi);
LTE_FDD_ENB_USER_ID_STRUCT* get_user_id_from_imei(uint64 imei);
void generate_security_data(LTE_FDD_ENB_USER_ID_STRUCT *id, uint16 mcc, uint16 mnc);
void security_resynch(LTE_FDD_ENB_USER_ID_STRUCT *id, uint16 mcc, uint16 mnc, uint8 *auts);
LTE_FDD_ENB_AUTHENTICATION_VECTOR_STRUCT* regenerate_enb_security_data(LTE_FDD_ENB_USER_ID_STRUCT *id, uint32 nas_count_ul);
LTE_FDD_ENB_AUTHENTICATION_VECTOR_STRUCT* get_auth_vec(LTE_FDD_ENB_USER_ID_STRUCT *id);
// User File
void set_use_user_file(bool uuf);
void read_user_file(void);
private:
// Singleton
static LTE_fdd_enb_hss *instance;
LTE_fdd_enb_hss();
~LTE_fdd_enb_hss();
// Allowed users
sem_t user_sem;
std::list user_list;
// User File
void write_user_file(void);
void delete_user_file(void);
bool use_user_file;
};
#endif /* __LTE_FDD_ENB_HSS_H__ */
网关：LTE_fdd_enb_gw.h (S-GW, P-GW)
/*******************************************************************************
Copyright 2014-2015, 2017 Ben Wojtowicz
This program 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.
This program 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.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see 开源项目：https://github.com/mgp25/OpenLTE
感谢：Ben Wojtowicz