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[AMF/MME] Follow-up on #2491

This commit is contained in:
Sukchan Lee 2023-08-11 09:44:19 +09:00
parent e7f7c4274e
commit e625f9222a
2 changed files with 21 additions and 15 deletions
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24
src/amf/ngap-handler.c
View File

@ -318,23 +318,19 @@ void ngap_handle_ng_setup_request(amf_gnb_t *gnb, ogs_ngap_message_t *message)
return;
}
/*
* TS38.413
* Section 8.7.1.4 Abnormal Conditions
*
* If the AMF does not identify any of the PLMNs/SNPNs indicated
* in the NG SETUP REQUEST message, it shall reject the NG Setup
* procedure with an appropriate cause value.
*/
if (gnb_plmn_id_is_foreign(gnb)) {
ogs_warn("NG-Setup failure:");
ogs_warn(" globalGNB_ID PLMN-ID is foreign");
group = NGAP_Cause_PR_protocol;
cause = NGAP_CauseProtocol_message_not_compatible_with_receiver_state;
r = ngap_send_ng_setup_failure(gnb, group, cause);
ogs_expect(r == OGS_OK);
ogs_assert(r != OGS_ERROR);
return;
}
if (gnb->num_of_supported_ta_list == 0) {
ogs_warn("NG-Setup failure:");
ogs_warn(" No supported TA exist in NG-Setup request");
group = NGAP_Cause_PR_protocol;
cause = NGAP_CauseProtocol_message_not_compatible_with_receiver_state;
group = NGAP_Cause_PR_misc;
cause = NGAP_CauseMisc_unknown_PLMN_or_SNPN;
r = ngap_send_ng_setup_failure(gnb, group, cause);
ogs_expect(r == OGS_OK);

12
src/mme/s1ap-handler.c
View File

@ -206,11 +206,21 @@ void s1ap_handle_s1_setup_request(mme_enb_t *enb, ogs_s1ap_message_t *message)
return;
}
/*
* TS36.413
* Section 8.7.3.4 Abnormal Conditions
*
* If the eNB initiates the procedure by sending a S1 SETUP REQUEST
* message including the PLMN Identity IEs and none of the PLMNs
* provided by the eNB is identified by the MME, then the MME shall
* reject the eNB S1 Setup Request procedure with the appropriate cause
* value, e.g., “Unknown PLMN”.
*/
if (enb_plmn_id_is_foreign(enb)) {
ogs_warn("S1-Setup failure:");
ogs_warn(" Global-ENB-ID PLMN-ID is foreign");
group = S1AP_Cause_PR_misc;
cause = S1AP_CauseProtocol_semantic_error;
cause = S1AP_CauseMisc_unknown_PLMN;
r = s1ap_send_s1_setup_failure(enb, group, cause);
ogs_expect(r == OGS_OK);