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Ismael Gomez 7 years ago
parent 7a02efe0e5
commit c5bc3b11b7
5 changed files with 2521 additions and 2521 deletions
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192
srsue/hdr/upper/nas.h
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@ -39,145 +39,145 @@ using srslte::byte_buffer_t;
namespace srsue { namespace srsue {
// EMM states (3GPP 24.302 v10.0.0) // EMM states (3GPP 24.302 v10.0.0)
typedef enum { typedef enum {
EMM_STATE_NULL = 0, EMM_STATE_NULL = 0,
EMM_STATE_DEREGISTERED, EMM_STATE_DEREGISTERED,
EMM_STATE_REGISTERED_INITIATED, EMM_STATE_REGISTERED_INITIATED,
EMM_STATE_REGISTERED, EMM_STATE_REGISTERED,
EMM_STATE_SERVICE_REQUEST_INITIATED, EMM_STATE_SERVICE_REQUEST_INITIATED,
EMM_STATE_DEREGISTERED_INITIATED, EMM_STATE_DEREGISTERED_INITIATED,
EMM_STATE_TAU_INITIATED, EMM_STATE_TAU_INITIATED,
EMM_STATE_N_ITEMS, EMM_STATE_N_ITEMS,
} emm_state_t; } emm_state_t;
static const char emm_state_text[EMM_STATE_N_ITEMS][100] = {"NULL", static const char emm_state_text[EMM_STATE_N_ITEMS][100] = {"NULL",
"DEREGISTERED", "DEREGISTERED",
"REGISTERED INITIATED", "REGISTERED INITIATED",
"REGISTERED", "REGISTERED",
"SERVICE REQUEST INITIATED", "SERVICE REQUEST INITIATED",
"DEREGISTERED INITIATED", "DEREGISTERED INITIATED",
"TRACKING AREA UPDATE INITIATED"}; "TRACKING AREA UPDATE INITIATED"};
typedef enum { typedef enum {
PLMN_NOT_SELECTED = 0, PLMN_NOT_SELECTED = 0,
PLMN_SELECTED PLMN_SELECTED
} plmn_selection_state_t; } plmn_selection_state_t;
class nas class nas
: public nas_interface_rrc, public nas_interface_ue { : public nas_interface_rrc, public nas_interface_ue {
public: public:
nas(); nas();
void init(usim_interface_nas *usim_, void init(usim_interface_nas *usim_,
rrc_interface_nas *rrc_, rrc_interface_nas *rrc_,
gw_interface_nas *gw_, gw_interface_nas *gw_,
srslte::log *nas_log_); srslte::log *nas_log_);
void stop(); void stop();
emm_state_t get_state(); emm_state_t get_state();
// RRC interface // RRC interface
void notify_connection_setup(); void notify_connection_setup();
void write_pdu(uint32_t lcid, byte_buffer_t *pdu); void write_pdu(uint32_t lcid, byte_buffer_t *pdu);
uint32_t get_ul_count(); uint32_t get_ul_count();
bool is_attached(); bool is_attached();
bool get_s_tmsi(LIBLTE_RRC_S_TMSI_STRUCT *s_tmsi); bool get_s_tmsi(LIBLTE_RRC_S_TMSI_STRUCT *s_tmsi);
void plmn_found(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id, uint16_t tracking_area_code); void plmn_found(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id, uint16_t tracking_area_code);
void cell_selected(); void cell_selected();
// UE interface // UE interface
void attach_request(); void attach_request();
void deattach_request(); void deattach_request();
private: private:
srslte::byte_buffer_pool *pool; srslte::byte_buffer_pool *pool;
srslte::log *nas_log; srslte::log *nas_log;
rrc_interface_nas *rrc; rrc_interface_nas *rrc;
usim_interface_nas *usim; usim_interface_nas *usim;
gw_interface_nas *gw; gw_interface_nas *gw;
emm_state_t state; emm_state_t state;
plmn_selection_state_t plmn_selection; plmn_selection_state_t plmn_selection;
LIBLTE_RRC_PLMN_IDENTITY_STRUCT current_plmn; LIBLTE_RRC_PLMN_IDENTITY_STRUCT current_plmn;
LIBLTE_RRC_PLMN_IDENTITY_STRUCT home_plmn; LIBLTE_RRC_PLMN_IDENTITY_STRUCT home_plmn;
std::vector<LIBLTE_RRC_PLMN_IDENTITY_STRUCT > known_plmns; std::vector<LIBLTE_RRC_PLMN_IDENTITY_STRUCT > known_plmns;
// Save short MAC // Save short MAC
// Identifiers // Identifiers
LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT guti; LIBLTE_MME_EPS_MOBILE_ID_GUTI_STRUCT guti;
bool is_guti_set; bool is_guti_set;
uint32_t ip_addr; uint32_t ip_addr;
uint8_t eps_bearer_id; uint8_t eps_bearer_id;
uint8_t transaction_id; uint8_t transaction_id;
// NAS counters - incremented for each security-protected message recvd/sent // NAS counters - incremented for each security-protected message recvd/sent
uint32_t count_ul; uint32_t count_ul;
uint32_t count_dl; uint32_t count_dl;
// Security // Security
uint8_t ksi; uint8_t ksi;
uint8_t k_nas_enc[32]; uint8_t k_nas_enc[32];
uint8_t k_nas_int[32]; uint8_t k_nas_int[32];
srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo; srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo;
srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo; srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo;
void integrity_generate(uint8_t *key_128, void integrity_generate(uint8_t *key_128,
uint32_t count, uint32_t count,
uint8_t rb_id, uint8_t rb_id,
uint8_t direction, uint8_t direction,
uint8_t *msg, uint8_t *msg,
uint32_t msg_len, uint32_t msg_len,
uint8_t *mac); uint8_t *mac);
void integrity_check(); void integrity_check();
void cipher_encrypt(); void cipher_encrypt();
void cipher_decrypt(); void cipher_decrypt();
// Parsers // Parsers
void parse_attach_accept(uint32_t lcid, byte_buffer_t *pdu); void parse_attach_accept(uint32_t lcid, byte_buffer_t *pdu);
void parse_attach_reject(uint32_t lcid, byte_buffer_t *pdu); void parse_attach_reject(uint32_t lcid, byte_buffer_t *pdu);
void parse_authentication_request(uint32_t lcid, byte_buffer_t *pdu); void parse_authentication_request(uint32_t lcid, byte_buffer_t *pdu);
void parse_authentication_reject(uint32_t lcid, byte_buffer_t *pdu); void parse_authentication_reject(uint32_t lcid, byte_buffer_t *pdu);
void parse_identity_request(uint32_t lcid, byte_buffer_t *pdu); void parse_identity_request(uint32_t lcid, byte_buffer_t *pdu);
void parse_security_mode_command(uint32_t lcid, byte_buffer_t *pdu); void parse_security_mode_command(uint32_t lcid, byte_buffer_t *pdu);
void parse_service_reject(uint32_t lcid, byte_buffer_t *pdu); void parse_service_reject(uint32_t lcid, byte_buffer_t *pdu);
void parse_esm_information_request(uint32_t lcid, byte_buffer_t *pdu); void parse_esm_information_request(uint32_t lcid, byte_buffer_t *pdu);
void parse_emm_information(uint32_t lcid, byte_buffer_t *pdu); void parse_emm_information(uint32_t lcid, byte_buffer_t *pdu);
// Senders // Senders
void send_attach_request(); void send_attach_request();
void send_identity_response(); void send_identity_response();
void send_service_request(); void send_service_request();
void send_esm_information_response(); void send_esm_information_response();
void gen_pdn_connectivity_request(LIBLTE_BYTE_MSG_STRUCT *msg); void gen_pdn_connectivity_request(LIBLTE_BYTE_MSG_STRUCT *msg);
}; };
} // namespace srsue } // namespace srsue

326
srsue/hdr/upper/rrc.h
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@ -43,230 +43,230 @@ using srslte::byte_buffer_t;
namespace srsue { namespace srsue {
// RRC states (3GPP 36.331 v10.0.0) // RRC states (3GPP 36.331 v10.0.0)
typedef enum { typedef enum {
RRC_STATE_IDLE = 0, RRC_STATE_IDLE = 0,
RRC_STATE_PLMN_SELECTION, RRC_STATE_PLMN_SELECTION,
RRC_STATE_CELL_SELECTING, RRC_STATE_CELL_SELECTING,
RRC_STATE_CELL_SELECTED, RRC_STATE_CELL_SELECTED,
RRC_STATE_CONNECTING, RRC_STATE_CONNECTING,
RRC_STATE_CONNECTED, RRC_STATE_CONNECTED,
RRC_STATE_N_ITEMS, RRC_STATE_N_ITEMS,
} rrc_state_t; } rrc_state_t;
static const char rrc_state_text[RRC_STATE_N_ITEMS][100] = {"IDLE", static const char rrc_state_text[RRC_STATE_N_ITEMS][100] = {"IDLE",
"PLMN SELECTION", "PLMN SELECTION",
"CELL SELECTION", "CELL SELECTION",
"CONNECTING", "CONNECTING",
"CONNECTED", "CONNECTED",
"RRC CONNECTED"}; "RRC CONNECTED"};
typedef enum { typedef enum {
SI_ACQUIRE_IDLE = 0, SI_ACQUIRE_IDLE = 0,
SI_ACQUIRE_SIB1, SI_ACQUIRE_SIB1,
SI_ACQUIRE_SIB2 SI_ACQUIRE_SIB2
} si_acquire_state_t; } si_acquire_state_t;
class rrc class rrc
: public rrc_interface_nas, : public rrc_interface_nas,
public rrc_interface_phy, public rrc_interface_phy,
public rrc_interface_mac, public rrc_interface_mac,
public rrc_interface_gw, public rrc_interface_gw,
public rrc_interface_pdcp, public rrc_interface_pdcp,
public rrc_interface_rlc, public rrc_interface_rlc,
public srslte::timer_callback, public srslte::timer_callback,
public thread public thread
{ {
public: public:
rrc(); rrc();
void init(phy_interface_rrc *phy_, void init(phy_interface_rrc *phy_,
mac_interface_rrc *mac_, mac_interface_rrc *mac_,
rlc_interface_rrc *rlc_, rlc_interface_rrc *rlc_,
pdcp_interface_rrc *pdcp_, pdcp_interface_rrc *pdcp_,
nas_interface_rrc *nas_, nas_interface_rrc *nas_,
usim_interface_rrc *usim_, usim_interface_rrc *usim_,
srslte::mac_interface_timers *mac_timers_, srslte::mac_interface_timers *mac_timers_,
srslte::log *rrc_log_); srslte::log *rrc_log_);
void stop(); void stop();
rrc_state_t get_state(); rrc_state_t get_state();
void set_ue_category(int category); void set_ue_category(int category);
// Timeout callback interface // Timeout callback interface
void timer_expired(uint32_t timeout_id); void timer_expired(uint32_t timeout_id);
void test_con_restablishment(); void test_con_restablishment();
void liblte_rrc_log(char *str); void liblte_rrc_log(char *str);
private: private:
srslte::byte_buffer_pool *pool; srslte::byte_buffer_pool *pool;
srslte::log *rrc_log; srslte::log *rrc_log;
phy_interface_rrc *phy; phy_interface_rrc *phy;
mac_interface_rrc *mac; mac_interface_rrc *mac;
rlc_interface_rrc *rlc; rlc_interface_rrc *rlc;
pdcp_interface_rrc *pdcp; pdcp_interface_rrc *pdcp;
nas_interface_rrc *nas; nas_interface_rrc *nas;
usim_interface_rrc *usim; usim_interface_rrc *usim;
srslte::bit_buffer_t bit_buf; srslte::bit_buffer_t bit_buf;
pthread_mutex_t mutex; pthread_mutex_t mutex;
rrc_state_t state; rrc_state_t state;
uint8_t transaction_id; uint8_t transaction_id;
bool drb_up; bool drb_up;
uint8_t k_rrc_enc[32]; uint8_t k_rrc_enc[32];
uint8_t k_rrc_int[32]; uint8_t k_rrc_int[32];
uint8_t k_up_enc[32]; uint8_t k_up_enc[32];
uint8_t k_up_int[32]; // Not used: only for relay nodes (3GPP 33.401 Annex A.7) uint8_t k_up_int[32]; // Not used: only for relay nodes (3GPP 33.401 Annex A.7)
srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo; srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo;
srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo; srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo;
std::map<uint32_t, LIBLTE_RRC_SRB_TO_ADD_MOD_STRUCT> srbs; std::map<uint32_t, LIBLTE_RRC_SRB_TO_ADD_MOD_STRUCT> srbs;
std::map<uint32_t, LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT> drbs; std::map<uint32_t, LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT> drbs;
LIBLTE_RRC_DL_CCCH_MSG_STRUCT dl_ccch_msg; LIBLTE_RRC_DL_CCCH_MSG_STRUCT dl_ccch_msg;
LIBLTE_RRC_DL_DCCH_MSG_STRUCT dl_dcch_msg; LIBLTE_RRC_DL_DCCH_MSG_STRUCT dl_dcch_msg;
// RRC constants and timers // RRC constants and timers
srslte::mac_interface_timers *mac_timers; srslte::mac_interface_timers *mac_timers;
uint32_t n310_cnt, N310; uint32_t n310_cnt, N310;
uint32_t n311_cnt, N311; uint32_t n311_cnt, N311;
uint32_t t301, t310, t311; uint32_t t301, t310, t311;
uint32_t safe_reset_timer; uint32_t safe_reset_timer;
int ue_category; int ue_category;
typedef struct { typedef struct {
uint32_t earfcn; uint32_t earfcn;
srslte_cell_t phy_cell; srslte_cell_t phy_cell;
float rsrp; float rsrp;
bool has_valid_sib1; bool has_valid_sib1;
bool has_valid_sib2; bool has_valid_sib2;
LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_1_STRUCT sib1; LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_1_STRUCT sib1;
LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT sib2; LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT sib2;
} cell_t; } cell_t;
std::vector<cell_t> known_cells; std::vector<cell_t> known_cells;
cell_t *current_cell; cell_t *current_cell;
si_acquire_state_t si_acquire_state; si_acquire_state_t si_acquire_state;
void select_next_cell_in_plmn(); void select_next_cell_in_plmn();
LIBLTE_RRC_PLMN_IDENTITY_STRUCT selected_plmn_id; LIBLTE_RRC_PLMN_IDENTITY_STRUCT selected_plmn_id;
int last_selected_cell; int last_selected_cell;
bool thread_running; bool thread_running;
void run_thread(); void run_thread();
// NAS interface // NAS interface
void write_sdu(uint32_t lcid, byte_buffer_t *sdu); void write_sdu(uint32_t lcid, byte_buffer_t *sdu);
uint16_t get_mcc(); uint16_t get_mcc();
uint16_t get_mnc(); uint16_t get_mnc();
void enable_capabilities(); void enable_capabilities();
void plmn_search(); void plmn_search();
void plmn_select(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id); void plmn_select(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id);
void connect(); void connect();
// PHY interface // PHY interface
void in_sync(); void in_sync();
void out_of_sync(); void out_of_sync();
void cell_found(uint32_t earfcn, srslte_cell_t phy_cell, float rsrp); void cell_found(uint32_t earfcn, srslte_cell_t phy_cell, float rsrp);
// MAC interface // MAC interface
void release_pucch_srs(); void release_pucch_srs();
void ra_problem(); void ra_problem();
// GW interface // GW interface
bool is_connected(); bool is_connected();
bool have_drb(); bool have_drb();
// PDCP interface // PDCP interface
void write_pdu(uint32_t lcid, byte_buffer_t *pdu); void write_pdu(uint32_t lcid, byte_buffer_t *pdu);
void write_pdu_bcch_bch(byte_buffer_t *pdu); void write_pdu_bcch_bch(byte_buffer_t *pdu);
void write_pdu_bcch_dlsch(byte_buffer_t *pdu); void write_pdu_bcch_dlsch(byte_buffer_t *pdu);
void write_pdu_pcch(byte_buffer_t *pdu); void write_pdu_pcch(byte_buffer_t *pdu);
// RLC interface // RLC interface
void max_retx_attempted(); void max_retx_attempted();
// Senders // Senders
void send_con_request(); void send_con_request();
void send_con_restablish_request(); void send_con_restablish_request();
void send_con_restablish_complete(); void send_con_restablish_complete();
void send_con_setup_complete(byte_buffer_t *nas_msg); void send_con_setup_complete(byte_buffer_t *nas_msg);
void send_ul_info_transfer(uint32_t lcid, byte_buffer_t *sdu); void send_ul_info_transfer(uint32_t lcid, byte_buffer_t *sdu);
void send_security_mode_complete(uint32_t lcid, byte_buffer_t *pdu); void send_security_mode_complete(uint32_t lcid, byte_buffer_t *pdu);
void send_rrc_con_reconfig_complete(uint32_t lcid, byte_buffer_t *pdu); void send_rrc_con_reconfig_complete(uint32_t lcid, byte_buffer_t *pdu);
void send_rrc_ue_cap_info(uint32_t lcid, byte_buffer_t *pdu); void send_rrc_ue_cap_info(uint32_t lcid, byte_buffer_t *pdu);
// Parsers // Parsers
void parse_dl_ccch(byte_buffer_t *pdu); void parse_dl_ccch(byte_buffer_t *pdu);
void parse_dl_dcch(uint32_t lcid, byte_buffer_t *pdu); void parse_dl_dcch(uint32_t lcid, byte_buffer_t *pdu);
void parse_dl_info_transfer(uint32_t lcid, byte_buffer_t *pdu); void parse_dl_info_transfer(uint32_t lcid, byte_buffer_t *pdu);
// Helpers // Helpers
void reset_ue(); void reset_ue();
void rrc_connection_release(); void rrc_connection_release();
void radio_link_failure(); void radio_link_failure();
uint32_t sib_start_tti(uint32_t tti, uint32_t period, uint32_t x); uint32_t sib_start_tti(uint32_t tti, uint32_t period, uint32_t x);
void apply_sib2_configs(LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT *sib2); void apply_sib2_configs(LIBLTE_RRC_SYS_INFO_BLOCK_TYPE_2_STRUCT *sib2);
void handle_con_setup(LIBLTE_RRC_CONNECTION_SETUP_STRUCT *setup); void handle_con_setup(LIBLTE_RRC_CONNECTION_SETUP_STRUCT *setup);
void handle_con_reest(LIBLTE_RRC_CONNECTION_REESTABLISHMENT_STRUCT *setup); void handle_con_reest(LIBLTE_RRC_CONNECTION_REESTABLISHMENT_STRUCT *setup);
void void
handle_rrc_con_reconfig(uint32_t lcid, LIBLTE_RRC_CONNECTION_RECONFIGURATION_STRUCT *reconfig, byte_buffer_t *pdu); handle_rrc_con_reconfig(uint32_t lcid, LIBLTE_RRC_CONNECTION_RECONFIGURATION_STRUCT *reconfig, byte_buffer_t *pdu);
void add_srb(LIBLTE_RRC_SRB_TO_ADD_MOD_STRUCT *srb_cnfg); void add_srb(LIBLTE_RRC_SRB_TO_ADD_MOD_STRUCT *srb_cnfg);
void add_drb(LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT *drb_cnfg); void add_drb(LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT *drb_cnfg);
void release_drb(uint8_t lcid); void release_drb(uint8_t lcid);
void apply_rr_config_dedicated(LIBLTE_RRC_RR_CONFIG_DEDICATED_STRUCT *cnfg); void apply_rr_config_dedicated(LIBLTE_RRC_RR_CONFIG_DEDICATED_STRUCT *cnfg);
void apply_phy_config_dedicated(LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT *phy_cnfg, bool apply_defaults); void apply_phy_config_dedicated(LIBLTE_RRC_PHYSICAL_CONFIG_DEDICATED_STRUCT *phy_cnfg, bool apply_defaults);
void apply_mac_config_dedicated(LIBLTE_RRC_MAC_MAIN_CONFIG_STRUCT *mac_cfg, bool apply_defaults); void apply_mac_config_dedicated(LIBLTE_RRC_MAC_MAIN_CONFIG_STRUCT *mac_cfg, bool apply_defaults);
// Helpers for setting default values // Helpers for setting default values
void set_phy_default_pucch_srs(); void set_phy_default_pucch_srs();
void set_phy_default(); void set_phy_default();
void set_mac_default(); void set_mac_default();
void set_rrc_default(); void set_rrc_default();
}; };
} // namespace srsue } // namespace srsue

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srsue/src/phy/phch_recv.cc
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srsue/src/upper/nas.cc
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2588
srsue/src/upper/rrc.cc
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