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srsRAN_4G
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Integrity fail after service request (#268)

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* Adding some debug prints to confirm the issue.
* Cleanup whitespaces.
* More debug prints
* Adding boolean to whether it is actually necessary to send NAS message in RRC reconfiguration.
* Deleting debug prints.
master
Pedro Alvarez 6 years ago committed by Andre Puschmann
parent 42e46bc599
commit 7b4bc6f132
2 changed files with 71 additions and 60 deletions
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74
srsenb/hdr/upper/rrc.h
Unescape Escape View File

@ -182,39 +182,39 @@ public:
bool running;
void run_thread();
};
class ue
{
public:
ue();
public:
ue();
bool is_connected();
bool is_idle();
bool is_idle();
bool is_timeout();
void set_activity();
uint32_t rl_failure();
rrc_state_t get_state();
void send_connection_setup(bool is_setup = true);
void send_connection_reest();
void send_connection_reest();
void send_connection_release();
void send_connection_reest_rej();
void send_connection_reest_rej();
void send_connection_reconf(srslte::byte_buffer_t *sdu);
void send_connection_reconf_new_bearer(LIBLTE_S1AP_E_RABTOBESETUPLISTBEARERSUREQ_STRUCT *e);
void send_connection_reconf_upd(srslte::byte_buffer_t *pdu);
void send_connection_reconf_upd(srslte::byte_buffer_t *pdu);
void send_security_mode_command();
void send_ue_cap_enquiry();
void parse_ul_dcch(uint32_t lcid, srslte::byte_buffer_t* pdu);
void handle_rrc_con_req(LIBLTE_RRC_CONNECTION_REQUEST_STRUCT *msg);
void handle_rrc_con_reest_req(LIBLTE_RRC_CONNECTION_REESTABLISHMENT_REQUEST_STRUCT *msg);
void handle_rrc_con_reest_req(LIBLTE_RRC_CONNECTION_REESTABLISHMENT_REQUEST_STRUCT *msg);
void handle_rrc_con_setup_complete(LIBLTE_RRC_CONNECTION_SETUP_COMPLETE_STRUCT *msg, srslte::byte_buffer_t *pdu);
void handle_rrc_reconf_complete(LIBLTE_RRC_CONNECTION_RECONFIGURATION_COMPLETE_STRUCT *msg, srslte::byte_buffer_t *pdu);
void handle_security_mode_complete(LIBLTE_RRC_SECURITY_MODE_COMPLETE_STRUCT *msg);
void handle_security_mode_failure(LIBLTE_RRC_SECURITY_MODE_FAILURE_STRUCT *msg);
void handle_ue_cap_info(LIBLTE_RRC_UE_CAPABILITY_INFORMATION_STRUCT *msg);
void set_bitrates(LIBLTE_S1AP_UEAGGREGATEMAXIMUMBITRATE_STRUCT *rates);
void set_security_capabilities(LIBLTE_S1AP_UESECURITYCAPABILITIES_STRUCT *caps);
void set_security_key(uint8_t* key, uint32_t length);
@ -229,26 +229,26 @@ public:
void notify_s1ap_ue_ctxt_setup_complete();
void notify_s1ap_ue_erab_setup_response(LIBLTE_S1AP_E_RABTOBESETUPLISTBEARERSUREQ_STRUCT *e);
int sr_allocate(uint32_t period, uint32_t *I_sr, uint32_t *N_pucch_sr);
void sr_get(uint32_t *I_sr, uint32_t *N_pucch_sr);
int sr_allocate(uint32_t period, uint32_t *I_sr, uint32_t *N_pucch_sr);
void sr_get(uint32_t *I_sr, uint32_t *N_pucch_sr);
int sr_free();
int cqi_allocate(uint32_t period, uint32_t *pmi_idx, uint32_t *n_pucch);
void cqi_get(uint32_t *pmi_idx, uint32_t *n_pucch);
int cqi_free();
int cqi_allocate(uint32_t period, uint32_t *pmi_idx, uint32_t *n_pucch);
void cqi_get(uint32_t *pmi_idx, uint32_t *n_pucch);
int cqi_free();
void send_dl_ccch(LIBLTE_RRC_DL_CCCH_MSG_STRUCT *dl_ccch_msg);
void send_dl_dcch(LIBLTE_RRC_DL_DCCH_MSG_STRUCT *dl_dcch_msg, srslte::byte_buffer_t *pdu = NULL);
uint16_t rnti;
rrc *parent;
bool connect_notified;
uint16_t rnti;
rrc *parent;
bool connect_notified;
private:
srslte::byte_buffer_pool *pool;
struct timeval t_last_activity;
struct timeval t_last_activity;
LIBLTE_RRC_CON_REQ_EST_CAUSE_ENUM establishment_cause;
@ -260,10 +260,10 @@ public:
uint32_t rlf_cnt;
uint8_t transaction_id;
rrc_state_t state;
std::map<uint32_t, LIBLTE_RRC_SRB_TO_ADD_MOD_STRUCT> srbs;
std::map<uint32_t, LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT> drbs;
uint8_t k_enb[32]; // Provided by MME
uint8_t k_rrc_enc[32];
uint8_t k_rrc_int[32];
@ -290,20 +290,21 @@ public:
bool sr_allocated;
uint32_t sr_N_pucch;
uint32_t sr_I;
uint32_t cqi_pucch;
uint32_t cqi_idx;
bool cqi_allocated;
int cqi_sched_sf_idx;
uint32_t cqi_pucch;
uint32_t cqi_idx;
bool cqi_allocated;
int cqi_sched_sf_idx;
int cqi_sched_prb_idx;
int get_drbid_config(LIBLTE_RRC_DRB_TO_ADD_MOD_STRUCT *drb, int drbid);
bool nas_pending;
srslte::byte_buffer_t erab_info;
};
private:
};
private:
std::map<uint16_t,ue> users;
std::map<uint32_t, LIBLTE_S1AP_UEPAGINGID_STRUCT > pending_paging;
activity_monitor act_monitor;
@ -362,7 +363,8 @@ private:
typedef struct {
uint32_t nof_users[100][80];
} sr_sched_t;
sr_sched_t sr_sched;
sr_sched_t cqi_sched;
LIBLTE_RRC_MCCH_MSG_STRUCT mcch;

57
srsenb/src/upper/rrc.cc
Unescape Escape View File

@ -885,24 +885,25 @@ void rrc::activity_monitor::run_thread()
*******************************************************************************/
rrc::ue::ue()
{
parent = NULL;
parent = NULL;
set_activity();
has_tmsi = false;
connect_notified = false;
transaction_id = 0;
sr_allocated = false;
sr_sched_sf_idx = 0;
sr_sched_prb_idx = 0;
sr_N_pucch = 0;
sr_I = 0;
cqi_allocated = false;
cqi_pucch = 0;
cqi_idx = 0;
cqi_sched_sf_idx = 0;
has_tmsi = false;
connect_notified = false;
transaction_id = 0;
sr_allocated = false;
sr_sched_sf_idx = 0;
sr_sched_prb_idx = 0;
sr_N_pucch = 0;
sr_I = 0;
cqi_allocated = false;
cqi_pucch = 0;
cqi_idx = 0;
cqi_sched_sf_idx = 0;
cqi_sched_prb_idx = 0;
rlf_cnt = 0;
state = RRC_STATE_IDLE;
pool = srslte::byte_buffer_pool::get_instance();
rlf_cnt = 0;
nas_pending = false;
state = RRC_STATE_IDLE;
pool = srslte::byte_buffer_pool::get_instance();
}
rrc_state_t rrc::ue::get_state()
@ -1227,9 +1228,12 @@ void rrc::ue::setup_erab(uint8_t id, LIBLTE_S1AP_E_RABLEVELQOSPARAMETERS_STRUCT
parent->gtpu->add_bearer(rnti, lcid, addr_, erabs[id].teid_out, &(erabs[id].teid_in));
if(nas_pdu) {
nas_pending = true;
memcpy(erab_info.buffer, nas_pdu->buffer, nas_pdu->n_octets);
erab_info.N_bytes = nas_pdu->n_octets;
parent->rrc_log->info_hex(erab_info.buffer, erab_info.N_bytes, "setup_erab nas_pdu -> erab_info rnti 0x%x", rnti);
} else {
nas_pending = false;
}
}
@ -1666,18 +1670,23 @@ void rrc::ue::send_connection_reconf(srslte::byte_buffer_t *pdu)
// DRB1 has already been configured in GTPU through bearer setup
// Add NAS Attach accept
conn_reconf->N_ded_info_nas = 1;
// Add NAS Attach accept
if(nas_pending){
parent->rrc_log->debug("Adding NAS message to connection reconfiguration\n");
conn_reconf->N_ded_info_nas = 1;
parent->rrc_log->info_hex(erab_info.buffer, erab_info.N_bytes, "connection_reconf erab_info -> nas_info rnti 0x%x\n", rnti);
conn_reconf->ded_info_nas_list[0].N_bytes = erab_info.N_bytes;
memcpy(conn_reconf->ded_info_nas_list[0].msg, erab_info.buffer, erab_info.N_bytes);
parent->rrc_log->info_hex(erab_info.buffer, erab_info.N_bytes, "connection_reconf erab_info -> nas_info rnti 0x%x\n", rnti);
conn_reconf->ded_info_nas_list[0].N_bytes = erab_info.N_bytes;
memcpy(conn_reconf->ded_info_nas_list[0].msg, erab_info.buffer, erab_info.N_bytes);
} else {
parent->rrc_log->debug("Not adding NAS message to connection reconfiguration\n");
conn_reconf->N_ded_info_nas = 0;
}
// Reuse same PDU
pdu->reset();
send_dl_dcch(&dl_dcch_msg, pdu);
state = RRC_STATE_WAIT_FOR_CON_RECONF_COMPLETE;
}

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