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.
98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2020 Software Radio Systems Limited
|
|
*
|
|
* By using this file, you agree to the terms and conditions set
|
|
* forth in the LICENSE file which can be found at the top level of
|
|
* the distribution.
|
|
*
|
|
*/
|
|
|
|
#ifndef SRSLTE_RRC_BEARER_CFG_H
|
|
#define SRSLTE_RRC_BEARER_CFG_H
|
|
|
|
#include "srsenb/hdr/stack/rrc/rrc_config.h"
|
|
#include "srslte/asn1/s1ap.h"
|
|
#include "srslte/common/logmap.h"
|
|
#include "srslte/interfaces/enb_interfaces.h"
|
|
#include "srslte/interfaces/enb_rrc_interface_types.h"
|
|
|
|
namespace srsenb {
|
|
|
|
class security_cfg_handler
|
|
{
|
|
public:
|
|
explicit security_cfg_handler(const rrc_cfg_t& cfg_) : cfg(&cfg_) {}
|
|
|
|
bool set_security_capabilities(const asn1::s1ap::ue_security_cap_s& caps);
|
|
void set_security_key(const asn1::fixed_bitstring<256, false, true>& key);
|
|
void set_ncc(uint8_t ncc_) { ncc = ncc_; }
|
|
|
|
asn1::rrc::security_algorithm_cfg_s get_security_algorithm_cfg();
|
|
const srslte::as_security_config_t& get_as_sec_cfg() const { return sec_cfg; }
|
|
uint8_t get_ncc() const { return ncc; }
|
|
bool is_as_sec_cfg_valid() const { return k_enb_present; }
|
|
|
|
void regenerate_keys_handover(uint32_t new_pci, uint32_t new_dl_earfcn);
|
|
|
|
private:
|
|
void generate_as_keys();
|
|
|
|
srslte::log_ref log_h{"RRC"};
|
|
const rrc_cfg_t* cfg = nullptr;
|
|
bool k_enb_present = false;
|
|
asn1::s1ap::ue_security_cap_s security_capabilities = {};
|
|
uint8_t k_enb[32] = {}; // Provided by MME
|
|
srslte::as_security_config_t sec_cfg = {};
|
|
uint8_t ncc = 0;
|
|
};
|
|
|
|
class bearer_cfg_handler
|
|
{
|
|
public:
|
|
struct erab_t {
|
|
uint8_t id = 0;
|
|
asn1::s1ap::erab_level_qos_params_s qos_params;
|
|
asn1::bounded_bitstring<1, 160, true, true> address;
|
|
uint32_t teid_out = 0;
|
|
uint32_t teid_in = 0;
|
|
};
|
|
|
|
bearer_cfg_handler(uint16_t rnti_, const rrc_cfg_t& cfg_);
|
|
|
|
int add_erab(uint8_t erab_id,
|
|
const asn1::s1ap::erab_level_qos_params_s& qos,
|
|
const asn1::bounded_bitstring<1, 160, true, true>& addr,
|
|
uint32_t teid_out,
|
|
const asn1::unbounded_octstring<true>* nas_pdu);
|
|
bool release_erab(uint8_t erab_id);
|
|
void release_erabs();
|
|
bool modify_erab(uint8_t erab_id,
|
|
const asn1::s1ap::erab_level_qos_params_s& qos,
|
|
const asn1::unbounded_octstring<true>* nas_pdu);
|
|
|
|
// Methods to apply bearer updates
|
|
void add_gtpu_bearer(gtpu_interface_rrc* gtpu, uint32_t erab_id);
|
|
void fill_pending_nas_info(asn1::rrc::rrc_conn_recfg_r8_ies_s* msg);
|
|
|
|
const std::map<uint8_t, erab_t>& get_erabs() const { return erabs; }
|
|
const asn1::rrc::drb_to_add_mod_list_l& get_established_drbs() const { return current_drbs; }
|
|
|
|
std::map<uint8_t, std::vector<uint8_t> > erab_info_list;
|
|
std::map<uint8_t, erab_t> erabs;
|
|
|
|
private:
|
|
srslte::log_ref log_h{"RRC"};
|
|
uint16_t rnti = 0;
|
|
const rrc_cfg_t* cfg = nullptr;
|
|
|
|
// last cfg
|
|
asn1::rrc::drb_to_add_mod_list_l current_drbs;
|
|
};
|
|
|
|
} // namespace srsenb
|
|
|
|
#endif // SRSLTE_RRC_BEARER_CFG_H
|