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@ -46,11 +46,7 @@ struct rrc_cfg_sr_t {
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uint32_t nof_subframes;
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};
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typedef enum {
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RRC_CFG_CQI_MODE_PERIODIC = 0,
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RRC_CFG_CQI_MODE_APERIODIC,
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RRC_CFG_CQI_MODE_N_ITEMS
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} rrc_cfg_cqi_mode_t;
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typedef enum { RRC_CFG_CQI_MODE_PERIODIC = 0, RRC_CFG_CQI_MODE_APERIODIC, RRC_CFG_CQI_MODE_N_ITEMS } rrc_cfg_cqi_mode_t;
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static const char rrc_cfg_cqi_mode_text[RRC_CFG_CQI_MODE_N_ITEMS][20] = {"periodic", "aperiodic"};
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@ -61,8 +57,8 @@ typedef struct {
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uint32_t period;
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uint32_t m_ri;
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bool simultaneousAckCQI;
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rrc_cfg_cqi_mode_t mode;
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} rrc_cfg_cqi_t;
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rrc_cfg_cqi_mode_t mode;
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} rrc_cfg_cqi_t;
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typedef struct {
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bool configured;
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@ -97,12 +93,12 @@ struct rrc_cfg_t {
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asn1::rrc::sib_info_item_c sibs[ASN1_RRC_MAX_SIB];
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asn1::rrc::mac_main_cfg_s mac_cnfg;
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asn1::rrc::pusch_cfg_ded_s pusch_cfg;
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asn1::rrc::ant_info_ded_s antenna_info;
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asn1::rrc::pdsch_cfg_ded_s::p_a_e_ pdsch_cfg;
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rrc_cfg_sr_t sr_cfg;
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rrc_cfg_cqi_t cqi_cfg;
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rrc_cfg_qci_t qci_cfg[MAX_NOF_QCI];
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asn1::rrc::pusch_cfg_ded_s pusch_cfg;
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asn1::rrc::ant_info_ded_s antenna_info;
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asn1::rrc::pdsch_cfg_ded_s::p_a_e_ pdsch_cfg;
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rrc_cfg_sr_t sr_cfg;
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rrc_cfg_cqi_t cqi_cfg;
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rrc_cfg_qci_t qci_cfg[MAX_NOF_QCI];
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srslte_cell_t cell;
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bool enable_mbsfn;
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uint32_t inactivity_timeout_ms;
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@ -122,11 +118,11 @@ static const char rrc_state_text[RRC_STATE_N_ITEMS][100] = {"IDLE",
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"RRC CONNECTED",
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"RELEASE REQUEST"};
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class rrc : public rrc_interface_pdcp,
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public rrc_interface_mac,
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public rrc_interface_rlc,
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public rrc_interface_s1ap,
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public thread
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class rrc final : public rrc_interface_pdcp,
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public rrc_interface_mac,
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public rrc_interface_rlc,
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public rrc_interface_s1ap,
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public thread
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{
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public:
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rrc();
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@ -141,21 +137,21 @@ public:
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gtpu_interface_rrc* gtpu,
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srslte::log* log_rrc);
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void stop();
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void get_metrics(rrc_metrics_t &m);
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void stop();
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void get_metrics(rrc_metrics_t& m);
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// rrc_interface_mac
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void rl_failure(uint16_t rnti);
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void add_user(uint16_t rnti);
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void rl_failure(uint16_t rnti);
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void add_user(uint16_t rnti);
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void upd_user(uint16_t new_rnti, uint16_t old_rnti);
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void set_activity_user(uint16_t rnti);
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bool is_paging_opportunity(uint32_t tti, uint32_t *payload_len);
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bool is_paging_opportunity(uint32_t tti, uint32_t* payload_len);
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// rrc_interface_rlc
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void read_pdu_bcch_dlsch(uint32_t sib_idx, uint8_t *payload);
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void read_pdu_pcch(uint8_t *payload, uint32_t buffer_size);
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void read_pdu_bcch_dlsch(uint32_t sib_idx, uint8_t* payload);
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void read_pdu_pcch(uint8_t* payload, uint32_t buffer_size);
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void max_retx_attempted(uint16_t rnti);
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// rrc_interface_s1ap
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void write_dl_info(uint16_t rnti, srslte::unique_byte_buffer_t sdu);
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void release_complete(uint16_t rnti);
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@ -176,22 +172,24 @@ public:
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template <class T>
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void log_rrc_message(const std::string& source, direction_t dir, const srslte::byte_buffer_t* pdu, const T& msg);
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// Notifier for user connect
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class connect_notifier {
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// Notifier for user connect
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class connect_notifier
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{
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public:
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virtual void user_connected(uint16_t rnti) = 0;
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};
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void set_connect_notifer(connect_notifier *cnotifier);
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virtual void user_connected(uint16_t rnti) = 0;
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};
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void set_connect_notifer(connect_notifier* cnotifier);
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class activity_monitor : public thread
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{
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public:
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activity_monitor(rrc* parent_);
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void stop();
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activity_monitor(rrc* parent_);
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void stop();
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private:
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rrc* parent;
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bool running;
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void run_thread();
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void run_thread();
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};
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class ue
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@ -215,7 +213,7 @@ public:
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void send_connection_release();
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void send_connection_reest_rej();
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void send_connection_reconf(srslte::unique_byte_buffer_t sdu);
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void send_connection_reconf_new_bearer(LIBLTE_S1AP_E_RABTOBESETUPLISTBEARERSUREQ_STRUCT *e);
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void send_connection_reconf_new_bearer(LIBLTE_S1AP_E_RABTOBESETUPLISTBEARERSUREQ_STRUCT* e);
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void send_connection_reconf_upd(srslte::unique_byte_buffer_t pdu);
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void send_security_mode_command();
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void send_ue_cap_enquiry();
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@ -229,8 +227,8 @@ public:
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void handle_security_mode_failure(asn1::rrc::security_mode_fail_s* msg);
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bool handle_ue_cap_info(asn1::rrc::ue_cap_info_s* msg);
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void set_bitrates(LIBLTE_S1AP_UEAGGREGATEMAXIMUMBITRATE_STRUCT *rates);
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void set_security_capabilities(LIBLTE_S1AP_UESECURITYCAPABILITIES_STRUCT *caps);
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void set_bitrates(LIBLTE_S1AP_UEAGGREGATEMAXIMUMBITRATE_STRUCT* rates);
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void set_security_capabilities(LIBLTE_S1AP_UESECURITYCAPABILITIES_STRUCT* caps);
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void set_security_key(uint8_t* key, uint32_t length);
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bool setup_erabs(LIBLTE_S1AP_E_RABTOBESETUPLISTCTXTSUREQ_STRUCT* e);
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@ -247,7 +245,7 @@ public:
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int sr_allocate(uint32_t period, uint8_t* I_sr, uint16_t* N_pucch_sr);
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void sr_get(uint8_t* I_sr, uint16_t* N_pucch_sr);
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int sr_free();
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int sr_free();
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int cqi_allocate(uint32_t period, uint16_t* pmi_idx, uint16_t* n_pucch);
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void cqi_get(uint16_t* pmi_idx, uint16_t* n_pucch);
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@ -276,9 +274,9 @@ public:
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std::unique_ptr<rrc_mobility> mobility_handler;
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// S-TMSI for this UE
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bool has_tmsi;
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uint32_t m_tmsi;
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uint8_t mmec;
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bool has_tmsi;
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uint32_t m_tmsi;
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uint8_t mmec;
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uint32_t rlf_cnt;
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uint8_t transaction_id;
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@ -287,98 +285,98 @@ public:
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std::map<uint32_t, asn1::rrc::srb_to_add_mod_s> srbs;
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std::map<uint32_t, asn1::rrc::drb_to_add_mod_s> drbs;
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uint8_t k_enb[32]; // Provided by MME
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uint8_t k_rrc_enc[32];
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uint8_t k_rrc_int[32];
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uint8_t k_up_enc[32];
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uint8_t k_up_int[32]; // Not used: only for relay nodes (3GPP 33.401 Annex A.7)
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uint8_t k_enb[32]; // Provided by MME
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uint8_t k_rrc_enc[32];
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uint8_t k_rrc_int[32];
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uint8_t k_up_enc[32];
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uint8_t k_up_int[32]; // Not used: only for relay nodes (3GPP 33.401 Annex A.7)
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo;
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo;
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LIBLTE_S1AP_UEAGGREGATEMAXIMUMBITRATE_STRUCT bitrates;
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LIBLTE_S1AP_UESECURITYCAPABILITIES_STRUCT security_capabilities;
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asn1::rrc::ue_eutra_cap_s eutra_capabilities;
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LIBLTE_S1AP_UEAGGREGATEMAXIMUMBITRATE_STRUCT bitrates;
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LIBLTE_S1AP_UESECURITYCAPABILITIES_STRUCT security_capabilities;
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asn1::rrc::ue_eutra_cap_s eutra_capabilities;
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typedef struct {
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uint8_t id;
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LIBLTE_S1AP_E_RABLEVELQOSPARAMETERS_STRUCT qos_params;
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LIBLTE_S1AP_TRANSPORTLAYERADDRESS_STRUCT address;
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uint32_t teid_out;
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uint32_t teid_in;
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}erab_t;
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uint8_t id;
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LIBLTE_S1AP_E_RABLEVELQOSPARAMETERS_STRUCT qos_params;
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LIBLTE_S1AP_TRANSPORTLAYERADDRESS_STRUCT address;
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uint32_t teid_out;
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uint32_t teid_in;
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} erab_t;
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std::map<uint8_t, erab_t> erabs;
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int sr_sched_sf_idx;
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int sr_sched_prb_idx;
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bool sr_allocated;
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uint32_t sr_N_pucch;
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uint32_t sr_I;
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uint32_t cqi_pucch;
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uint32_t cqi_idx;
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bool cqi_allocated;
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int cqi_sched_sf_idx;
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int cqi_sched_prb_idx;
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int sr_sched_sf_idx;
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int sr_sched_prb_idx;
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bool sr_allocated;
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uint32_t sr_N_pucch;
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uint32_t sr_I;
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uint32_t cqi_pucch;
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uint32_t cqi_idx;
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bool cqi_allocated;
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int cqi_sched_sf_idx;
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int cqi_sched_prb_idx;
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int get_drbid_config(asn1::rrc::drb_to_add_mod_s* drb, int drbid);
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bool nas_pending;
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srslte::byte_buffer_t erab_info;
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bool nas_pending;
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srslte::byte_buffer_t erab_info;
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};
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private:
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std::map<uint16_t,ue> users;
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std::map<uint16_t, ue> users;
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std::map<uint32_t, LIBLTE_S1AP_UEPAGINGID_STRUCT > pending_paging;
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std::map<uint32_t, LIBLTE_S1AP_UEPAGINGID_STRUCT> pending_paging;
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activity_monitor act_monitor;
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std::vector<srslte::unique_byte_buffer_t> sib_buffer;
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// user connect notifier
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connect_notifier *cnotifier;
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// user connect notifier
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connect_notifier* cnotifier;
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void process_release_complete(uint16_t rnti);
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void process_rl_failure(uint16_t rnti);
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void rem_user(uint16_t rnti);
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void process_release_complete(uint16_t rnti);
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void process_rl_failure(uint16_t rnti);
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void rem_user(uint16_t rnti);
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uint32_t generate_sibs();
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void configure_mbsfn_sibs(asn1::rrc::sib_type2_s* sib2, asn1::rrc::sib_type13_r9_s* sib13);
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void config_mac();
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void config_mac();
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void parse_ul_dcch(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t pdu);
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void parse_ul_ccch(uint16_t rnti, srslte::unique_byte_buffer_t pdu);
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void configure_security(uint16_t rnti,
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uint32_t lcid,
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uint8_t *k_rrc_enc,
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uint8_t *k_rrc_int,
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uint8_t *k_up_enc,
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uint8_t *k_up_int,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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void enable_integrity(uint16_t rnti, uint32_t lcid);
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void enable_encryption(uint16_t rnti, uint32_t lcid);
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void configure_security(uint16_t rnti,
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uint32_t lcid,
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uint8_t* k_rrc_enc,
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uint8_t* k_rrc_int,
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uint8_t* k_up_enc,
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uint8_t* k_up_int,
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srslte::CIPHERING_ALGORITHM_ID_ENUM cipher_algo,
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srslte::INTEGRITY_ALGORITHM_ID_ENUM integ_algo);
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void enable_integrity(uint16_t rnti, uint32_t lcid);
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void enable_encryption(uint16_t rnti, uint32_t lcid);
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srslte::byte_buffer_pool* pool;
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srslte::byte_buffer_t byte_buf_paging;
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phy_interface_stack_lte* phy;
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mac_interface_rrc* mac;
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rlc_interface_rrc* rlc;
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pdcp_interface_rrc* pdcp;
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gtpu_interface_rrc* gtpu;
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s1ap_interface_rrc* s1ap;
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srslte::log* rrc_log;
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typedef struct{
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uint16_t rnti;
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uint32_t lcid;
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mac_interface_rrc* mac;
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rlc_interface_rrc* rlc;
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pdcp_interface_rrc* pdcp;
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gtpu_interface_rrc* gtpu;
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s1ap_interface_rrc* s1ap;
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srslte::log* rrc_log;
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typedef struct {
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uint16_t rnti;
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uint32_t lcid;
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srslte::unique_byte_buffer_t pdu;
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}rrc_pdu;
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} rrc_pdu;
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const static uint32_t LCID_EXIT = 0xffff0000;
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const static uint32_t LCID_REM_USER = 0xffff0001;
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const static uint32_t LCID_REL_USER = 0xffff0002;
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const static uint32_t LCID_RLF_USER = 0xffff0003;
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const static uint32_t LCID_ACT_USER = 0xffff0004;
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bool running;
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static const int RRC_THREAD_PRIO = 65;
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bool running;
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static const int RRC_THREAD_PRIO = 65;
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srslte::block_queue<rrc_pdu> rx_pdu_queue;
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struct sr_sched_t {
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@ -397,7 +395,7 @@ private:
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class mobility_cfg;
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std::unique_ptr<mobility_cfg> enb_mobility_cfg;
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void run_thread();
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void run_thread() override;
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void rem_user_thread(uint16_t rnti);
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pthread_mutex_t user_mutex;
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