[MME] Changed S1AP_Cause in S1AP Release (#1676)
S1AP_CauseNas_detach -> S1AP_CauseNas_normal_release
This commit is contained in:
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5524dc5e29
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7031856cd7
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@ -168,8 +168,6 @@ typedef struct ogs_diam_s6a_message_s {
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uint32_t *err;
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uint32_t *exp_err;
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bool during_attach;
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ogs_diam_s6a_clr_message_t clr_message;
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ogs_diam_s6a_aia_message_t aia_message;
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ogs_diam_s6a_ula_message_t ula_message;
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@ -225,7 +225,7 @@ ED3(uint8_t cn_specific_drx_cycle_length_coefficient_and_drx_value_for_s1_mode:4
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* O TV 2 */
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/* REQUEST_ACCEPTED(16) cause is defined by Open5GS */
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#define EMM_CAUSE_REQUEST_ACCEPTED 16
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#define OGS_NAS_EMM_CAUSE_REQUEST_ACCEPTED 16
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/* Annex A (informative) Cause values for EPS mobility management
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* A.1 Causes related to UE identification */
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@ -229,7 +229,6 @@ static void mme_s6a_aia_cb(void *data, struct msg **msg)
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s6a_message = ogs_calloc(1, sizeof(ogs_diam_s6a_message_t));
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ogs_assert(s6a_message);
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s6a_message->cmd_code = OGS_DIAM_S6A_CMD_CODE_AUTHENTICATION_INFORMATION;
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s6a_message->during_attach = true;
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aia_message = &s6a_message->aia_message;
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ogs_assert(aia_message);
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e_utran_vector = &aia_message->e_utran_vector;
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@ -638,7 +637,6 @@ static void mme_s6a_ula_cb(void *data, struct msg **msg)
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s6a_message = ogs_calloc(1, sizeof(ogs_diam_s6a_message_t));
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ogs_assert(s6a_message);
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s6a_message->cmd_code = OGS_DIAM_S6A_CMD_CODE_UPDATE_LOCATION;
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s6a_message->during_attach = true;
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ula_message = &s6a_message->ula_message;
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ogs_assert(ula_message);
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subscription_data = &ula_message->subscription_data;
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@ -1440,7 +1438,6 @@ static int mme_ogs_diam_s6a_clr_cb( struct msg **msg, struct avp *avp,
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clr_message = &s6a_message->clr_message;
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ogs_assert(clr_message);
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/* Create answer header */
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qry = *msg;
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ret = fd_msg_new_answer_from_req(fd_g_config->cnf_dict, msg, 0);
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@ -23,16 +23,33 @@
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#include "mme-sm.h"
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#include "mme-s6a-handler.h"
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void mme_s6a_handle_aia(mme_ue_t *mme_ue,
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ogs_diam_s6a_aia_message_t *aia_message)
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/* Unfortunately fd doesn't distinguish
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* between result-code and experimental-result-code.
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*
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* However, e.g. 5004 has different meaning
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* if used in result-code than in experimental-result-code */
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static uint8_t emm_cause_from_diameter(
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const uint32_t *dia_err, const uint32_t *dia_exp_err);
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uint8_t mme_s6a_handle_aia(
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mme_ue_t *mme_ue, ogs_diam_s6a_message_t *s6a_message)
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{
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ogs_diam_s6a_aia_message_t *aia_message = NULL;
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ogs_diam_e_utran_vector_t *e_utran_vector = NULL;
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ogs_assert(mme_ue);
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ogs_assert(s6a_message);
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aia_message = &s6a_message->aia_message;
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ogs_assert(aia_message);
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e_utran_vector = &aia_message->e_utran_vector;
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ogs_assert(e_utran_vector);
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if (s6a_message->result_code != ER_DIAMETER_SUCCESS) {
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ogs_warn("Authentication Information failed [%d]",
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s6a_message->result_code);
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return emm_cause_from_diameter(s6a_message->err, s6a_message->exp_err);
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}
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mme_ue->xres_len = e_utran_vector->xres_len;
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memcpy(mme_ue->xres, e_utran_vector->xres, mme_ue->xres_len);
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memcpy(mme_ue->kasme, e_utran_vector->kasme, OGS_SHA256_DIGEST_SIZE);
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@ -44,22 +61,31 @@ void mme_s6a_handle_aia(mme_ue_t *mme_ue,
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if (mme_ue->nas_eps.ksi == OGS_NAS_KSI_NO_KEY_IS_AVAILABLE)
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mme_ue->nas_eps.ksi = 0;
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ogs_assert(OGS_OK ==
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nas_eps_send_authentication_request(mme_ue));
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ogs_assert(OGS_OK == nas_eps_send_authentication_request(mme_ue));
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return OGS_NAS_EMM_CAUSE_REQUEST_ACCEPTED;
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}
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void mme_s6a_handle_ula(mme_ue_t *mme_ue,
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ogs_diam_s6a_ula_message_t *ula_message)
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uint8_t mme_s6a_handle_ula(
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mme_ue_t *mme_ue, ogs_diam_s6a_message_t *s6a_message)
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{
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ogs_diam_s6a_ula_message_t *ula_message = NULL;
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ogs_subscription_data_t *subscription_data = NULL;
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ogs_slice_data_t *slice_data = NULL;
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int i;
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int i, rv;
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ogs_assert(mme_ue);
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ogs_assert(s6a_message);
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ula_message = &s6a_message->ula_message;
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ogs_assert(ula_message);
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subscription_data = &ula_message->subscription_data;
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ogs_assert(subscription_data);
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if (s6a_message->result_code != ER_DIAMETER_SUCCESS) {
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ogs_error("Update Location failed [%d]", s6a_message->result_code);
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return emm_cause_from_diameter(s6a_message->err, s6a_message->exp_err);
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}
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ogs_assert(subscription_data->num_of_slice == 1);
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slice_data = &subscription_data->slice[0];
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@ -92,7 +118,8 @@ void mme_s6a_handle_ula(mme_ue_t *mme_ue,
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memcpy(&mme_ue->session[i].smf_ip, &slice_data->session[i].smf_ip,
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sizeof(mme_ue->session[i].smf_ip));
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memcpy(&mme_ue->session[i].charging_characteristics, &slice_data->session[i].charging_characteristics,
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memcpy(&mme_ue->session[i].charging_characteristics,
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&slice_data->session[i].charging_characteristics,
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sizeof(mme_ue->session[i].charging_characteristics));
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mme_ue->session[i].charging_characteristics_presence =
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slice_data->session[i].charging_characteristics_presence;
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@ -100,10 +127,35 @@ void mme_s6a_handle_ula(mme_ue_t *mme_ue,
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mme_ue->num_of_session = i;
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mme_ue->context_identifier = slice_data->context_identifier;
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if (mme_ue->nas_eps.type == MME_EPS_TYPE_ATTACH_REQUEST) {
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rv = nas_eps_send_emm_to_esm(mme_ue,
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&mme_ue->pdn_connectivity_request);
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if (rv != OGS_OK) {
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ogs_error("nas_eps_send_emm_to_esm() failed");
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return OGS_NAS_EMM_CAUSE_PROTOCOL_ERROR_UNSPECIFIED;
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}
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} else if (mme_ue->nas_eps.type == MME_EPS_TYPE_TAU_REQUEST) {
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ogs_assert(OGS_OK ==
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nas_eps_send_tau_accept(mme_ue,
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S1AP_ProcedureCode_id_InitialContextSetup));
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} else if (mme_ue->nas_eps.type == MME_EPS_TYPE_SERVICE_REQUEST) {
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ogs_error("[%s] Service request", mme_ue->imsi_bcd);
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return OGS_NAS_EMM_CAUSE_PROTOCOL_ERROR_UNSPECIFIED;
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} else if (mme_ue->nas_eps.type ==
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MME_EPS_TYPE_DETACH_REQUEST_FROM_UE) {
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ogs_error("[%s] Detach request", mme_ue->imsi_bcd);
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return OGS_NAS_EMM_CAUSE_PROTOCOL_ERROR_UNSPECIFIED;
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} else {
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ogs_fatal("Invalid Type[%d]", mme_ue->nas_eps.type);
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ogs_assert_if_reached();
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}
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return OGS_NAS_EMM_CAUSE_REQUEST_ACCEPTED;
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}
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void mme_s6a_handle_clr(mme_ue_t *mme_ue,
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ogs_diam_s6a_clr_message_t *clr_message)
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void mme_s6a_handle_clr(
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mme_ue_t *mme_ue, ogs_diam_s6a_clr_message_t *clr_message)
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{
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uint8_t detach_type = 0;
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@ -131,3 +183,48 @@ void mme_s6a_handle_clr(mme_ue_t *mme_ue,
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ogs_assert(OGS_OK == nas_eps_send_detach_request(mme_ue, detach_type));
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}
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}
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/* 3GPP TS 29.272 Annex A; Table !.a:
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* Mapping from S6a error codes to NAS Cause Codes */
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static uint8_t emm_cause_from_diameter(
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const uint32_t *dia_err, const uint32_t *dia_exp_err)
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{
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if (dia_exp_err) {
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switch (*dia_exp_err) {
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case OGS_DIAM_S6A_ERROR_USER_UNKNOWN: /* 5001 */
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return OGS_NAS_EMM_CAUSE_PLMN_NOT_ALLOWED;
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case OGS_DIAM_S6A_ERROR_UNKNOWN_EPS_SUBSCRIPTION: /* 5420 */
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/* FIXME: Error diagnostic? */
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return OGS_NAS_EMM_CAUSE_NO_SUITABLE_CELLS_IN_TRACKING_AREA;
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case OGS_DIAM_S6A_ERROR_RAT_NOT_ALLOWED: /* 5421 */
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return OGS_NAS_EMM_CAUSE_ROAMING_NOT_ALLOWED_IN_THIS_TRACKING_AREA;
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case OGS_DIAM_S6A_ERROR_ROAMING_NOT_ALLOWED: /* 5004 */
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return OGS_NAS_EMM_CAUSE_PLMN_NOT_ALLOWED;
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/* return OGS_NAS_EMM_CAUSE_EPS_SERVICES_NOT_ALLOWED_IN_THIS_PLMN;
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* (ODB_HPLMN_APN) */
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/* return OGS_NAS_EMM_CAUSE_ESM_FAILURE; (ODB_ALL_APN) */
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case OGS_DIAM_S6A_AUTHENTICATION_DATA_UNAVAILABLE: /* 4181 */
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return OGS_NAS_EMM_CAUSE_NETWORK_FAILURE;
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}
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}
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if (dia_err) {
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switch (*dia_err) {
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case ER_DIAMETER_AUTHORIZATION_REJECTED: /* 5003 */
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case ER_DIAMETER_UNABLE_TO_DELIVER: /* 3002 */
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case ER_DIAMETER_REALM_NOT_SERVED: /* 3003 */
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return OGS_NAS_EMM_CAUSE_NO_SUITABLE_CELLS_IN_TRACKING_AREA;
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case ER_DIAMETER_UNABLE_TO_COMPLY: /* 5012 */
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case ER_DIAMETER_INVALID_AVP_VALUE: /* 5004 */
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case ER_DIAMETER_AVP_UNSUPPORTED: /* 5001 */
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case ER_DIAMETER_MISSING_AVP: /* 5005 */
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case ER_DIAMETER_RESOURCES_EXCEEDED: /* 5006 */
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case ER_DIAMETER_AVP_OCCURS_TOO_MANY_TIMES: /* 5009 */
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return OGS_NAS_EMM_CAUSE_NETWORK_FAILURE;
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}
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}
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ogs_error("Unexpected Diameter Result Code %d/%d, defaulting to severe "
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"network failure",
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dia_err ? *dia_err : -1, dia_exp_err ? *dia_exp_err : -1);
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return OGS_NAS_EMM_CAUSE_SEVERE_NETWORK_FAILURE;
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}
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@ -26,12 +26,12 @@
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extern "C" {
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#endif
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void mme_s6a_handle_aia(mme_ue_t *mme_ue,
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ogs_diam_s6a_aia_message_t *aia_message);
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void mme_s6a_handle_ula(mme_ue_t *mme_ue,
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ogs_diam_s6a_ula_message_t *ula_message);
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void mme_s6a_handle_clr(mme_ue_t *mme_ue,
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ogs_diam_s6a_clr_message_t *clr_message);
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uint8_t mme_s6a_handle_aia(
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mme_ue_t *mme_ue, ogs_diam_s6a_message_t *s6a_message);
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uint8_t mme_s6a_handle_ula(
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mme_ue_t *mme_ue, ogs_diam_s6a_message_t *s6a_message);
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void mme_s6a_handle_clr(
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mme_ue_t *mme_ue, ogs_diam_s6a_clr_message_t *clr_message);
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#ifdef __cplusplus
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}
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103
src/mme/mme-sm.c
103
src/mme/mme-sm.c
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@ -34,54 +34,6 @@
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#include "mme-s6a-handler.h"
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#include "mme-path.h"
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/* 3GPP TS 29.272 Annex A; Table !.a:
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* Mapping from S6a error codes to NAS Cause Codes */
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static uint8_t emm_cause_from_diameter(
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mme_ue_t *mme_ue, const uint32_t *dia_err, const uint32_t *dia_exp_err)
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{
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ogs_assert(mme_ue);
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if (dia_exp_err) {
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switch (*dia_exp_err) {
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case OGS_DIAM_S6A_ERROR_USER_UNKNOWN: /* 5001 */
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ogs_info("[%s] User Unknown in HSS DB", mme_ue->imsi_bcd);
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return OGS_NAS_EMM_CAUSE_PLMN_NOT_ALLOWED;
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case OGS_DIAM_S6A_ERROR_UNKNOWN_EPS_SUBSCRIPTION: /* 5420 */
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/* FIXME: Error diagnostic? */
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return OGS_NAS_EMM_CAUSE_NO_SUITABLE_CELLS_IN_TRACKING_AREA;
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case OGS_DIAM_S6A_ERROR_RAT_NOT_ALLOWED: /* 5421 */
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return OGS_NAS_EMM_CAUSE_ROAMING_NOT_ALLOWED_IN_THIS_TRACKING_AREA;
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case OGS_DIAM_S6A_ERROR_ROAMING_NOT_ALLOWED: /* 5004 */
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return OGS_NAS_EMM_CAUSE_PLMN_NOT_ALLOWED;
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/* return OGS_NAS_EMM_CAUSE_EPS_SERVICES_NOT_ALLOWED_IN_THIS_PLMN;
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* (ODB_HPLMN_APN) */
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/* return OGS_NAS_EMM_CAUSE_ESM_FAILURE; (ODB_ALL_APN) */
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case OGS_DIAM_S6A_AUTHENTICATION_DATA_UNAVAILABLE: /* 4181 */
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return OGS_NAS_EMM_CAUSE_NETWORK_FAILURE;
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}
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}
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if (dia_err) {
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switch (*dia_err) {
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case ER_DIAMETER_AUTHORIZATION_REJECTED: /* 5003 */
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case ER_DIAMETER_UNABLE_TO_DELIVER: /* 3002 */
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case ER_DIAMETER_REALM_NOT_SERVED: /* 3003 */
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return OGS_NAS_EMM_CAUSE_NO_SUITABLE_CELLS_IN_TRACKING_AREA;
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case ER_DIAMETER_UNABLE_TO_COMPLY: /* 5012 */
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case ER_DIAMETER_INVALID_AVP_VALUE: /* 5004 */
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case ER_DIAMETER_AVP_UNSUPPORTED: /* 5001 */
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case ER_DIAMETER_MISSING_AVP: /* 5005 */
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case ER_DIAMETER_RESOURCES_EXCEEDED: /* 5006 */
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case ER_DIAMETER_AVP_OCCURS_TOO_MANY_TIMES: /* 5009 */
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return OGS_NAS_EMM_CAUSE_NETWORK_FAILURE;
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}
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}
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ogs_error("Unexpected Diameter Result Code %d/%d, defaulting to severe "
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"network failure",
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dia_err ? *dia_err : -1, dia_exp_err ? *dia_exp_err : -1);
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return OGS_NAS_EMM_CAUSE_SEVERE_NETWORK_FAILURE;
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}
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void mme_state_initial(ogs_fsm_t *s, mme_event_t *e)
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{
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mme_sm_debug(e);
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@ -122,6 +74,7 @@ void mme_state_operational(ogs_fsm_t *s, mme_event_t *e)
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mme_sess_t *sess = NULL;
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ogs_diam_s6a_message_t *s6a_message = NULL;
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uint8_t emm_cause = 0;
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ogs_gtp_node_t *gnode = NULL;
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ogs_gtp_xact_t *xact = NULL;
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@ -437,7 +390,6 @@ void mme_state_operational(ogs_fsm_t *s, mme_event_t *e)
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s6a_message = e->s6a_message;
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ogs_assert(s6a_message);
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if (s6a_message->during_attach) {
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enb_ue = enb_ue_cycle(mme_ue->enb_ue);
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if (!enb_ue) {
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ogs_error("S1 context has already been removed");
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@ -448,15 +400,10 @@ void mme_state_operational(ogs_fsm_t *s, mme_event_t *e)
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break;
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}
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if (s6a_message->result_code != ER_DIAMETER_SUCCESS) {
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/* Unfortunately fd doesn't distinguish
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* between result-code and experimental-result-code.
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*
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* However, e.g. 5004 has different meaning
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* if used in result-code than in experimental-result-code */
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uint8_t emm_cause = emm_cause_from_diameter(
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mme_ue, s6a_message->err, s6a_message->exp_err);
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switch (s6a_message->cmd_code) {
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case OGS_DIAM_S6A_CMD_CODE_AUTHENTICATION_INFORMATION:
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emm_cause = mme_s6a_handle_aia(mme_ue, s6a_message);
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if (emm_cause != OGS_NAS_EMM_CAUSE_REQUEST_ACCEPTED) {
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ogs_info("[%s] Attach reject [OGS_NAS_EMM_CAUSE:%d]",
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mme_ue->imsi_bcd, emm_cause);
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ogs_assert(OGS_OK ==
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@ -467,43 +414,21 @@ void mme_state_operational(ogs_fsm_t *s, mme_event_t *e)
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s1ap_send_ue_context_release_command(enb_ue,
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S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
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S1AP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0));
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ogs_subscription_data_free(
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&s6a_message->ula_message.subscription_data);
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ogs_free(s6a_message);
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break;
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}
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}
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switch (s6a_message->cmd_code) {
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case OGS_DIAM_S6A_CMD_CODE_AUTHENTICATION_INFORMATION:
|
||||
mme_s6a_handle_aia(mme_ue, &s6a_message->aia_message);
|
||||
break;
|
||||
case OGS_DIAM_S6A_CMD_CODE_UPDATE_LOCATION:
|
||||
mme_s6a_handle_ula(mme_ue, &s6a_message->ula_message);
|
||||
|
||||
if (mme_ue->nas_eps.type == MME_EPS_TYPE_ATTACH_REQUEST) {
|
||||
rv = nas_eps_send_emm_to_esm(mme_ue,
|
||||
&mme_ue->pdn_connectivity_request);
|
||||
if (rv != OGS_OK) {
|
||||
ogs_error("nas_eps_send_emm_to_esm() failed");
|
||||
emm_cause = mme_s6a_handle_ula(mme_ue, s6a_message);
|
||||
if (emm_cause != OGS_NAS_EMM_CAUSE_REQUEST_ACCEPTED) {
|
||||
ogs_info("[%s] Attach reject [OGS_NAS_EMM_CAUSE:%d]",
|
||||
mme_ue->imsi_bcd, emm_cause);
|
||||
ogs_assert(OGS_OK ==
|
||||
nas_eps_send_attach_reject(mme_ue,
|
||||
OGS_NAS_EMM_CAUSE_PROTOCOL_ERROR_UNSPECIFIED,
|
||||
nas_eps_send_attach_reject(mme_ue, emm_cause,
|
||||
OGS_NAS_ESM_CAUSE_PROTOCOL_ERROR_UNSPECIFIED));
|
||||
}
|
||||
} else if (mme_ue->nas_eps.type == MME_EPS_TYPE_TAU_REQUEST) {
|
||||
|
||||
ogs_assert(OGS_OK ==
|
||||
nas_eps_send_tau_accept(mme_ue,
|
||||
S1AP_ProcedureCode_id_InitialContextSetup));
|
||||
} else if (mme_ue->nas_eps.type == MME_EPS_TYPE_SERVICE_REQUEST) {
|
||||
ogs_error("[%s] Service request", mme_ue->imsi_bcd);
|
||||
} else if (mme_ue->nas_eps.type ==
|
||||
MME_EPS_TYPE_DETACH_REQUEST_FROM_UE) {
|
||||
ogs_error("[%s] Detach request", mme_ue->imsi_bcd);
|
||||
} else {
|
||||
ogs_fatal("Invalid Type[%d]", mme_ue->nas_eps.type);
|
||||
ogs_assert_if_reached();
|
||||
s1ap_send_ue_context_release_command(enb_ue,
|
||||
S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
|
||||
S1AP_UE_CTX_REL_UE_CONTEXT_REMOVE, 0));
|
||||
}
|
||||
break;
|
||||
case OGS_DIAM_S6A_CMD_CODE_CANCEL_LOCATION:
|
||||
|
|
|
@ -306,7 +306,7 @@ int nas_eps_send_detach_accept(mme_ue_t *mme_ue)
|
|||
}
|
||||
|
||||
rv = s1ap_send_ue_context_release_command(enb_ue,
|
||||
S1AP_Cause_PR_nas, S1AP_CauseNas_detach,
|
||||
S1AP_Cause_PR_nas, S1AP_CauseNas_normal_release,
|
||||
S1AP_UE_CTX_REL_S1_REMOVE_AND_UNLINK, 0);
|
||||
ogs_expect(rv == OGS_OK);
|
||||
|
||||
|
|
Loading…
Reference in New Issue