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Check If UE ID exists when handling CU RRC message transfer

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Closes #762
This commit is contained in:
Robert Schmidt
2024-03-28 08:55:11 +01:00
parent 1e8f194d11
commit d9abf18dab
1 changed files with 10 additions and 4 deletions
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openair2/F1AP/f1ap_cu_rrc_message_transfer.c
+10 -4
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@@ -239,14 +239,20 @@ int CU_handle_UL_RRC_MESSAGE_TRANSFER(instance_t instance, sctp_assoc_t assoc_id
F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_ULRRCMessageTransferIEs_t, ie, container, F1AP_FIND_PROTOCOLIE_BY_ID(F1AP_ULRRCMessageTransferIEs_t, ie, container,
F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true); F1AP_ProtocolIE_ID_id_gNB_DU_UE_F1AP_ID, true);
du_ue_f1ap_id = ie->value.choice.GNB_DU_UE_F1AP_ID; du_ue_f1ap_id = ie->value.choice.GNB_DU_UE_F1AP_ID;
if (!cu_exists_f1_ue_data(cu_ue_f1ap_id)) {
LOG_E(F1AP, "unknown CU UE ID %ld\n", cu_ue_f1ap_id);
return 1;
}
/* the RLC-PDCP does not transport the DU UE ID (yet), so we drop it here. /* the RLC-PDCP does not transport the DU UE ID (yet), so we drop it here.
* For the moment, let's hope this won't become relevant; to sleep in peace, * For the moment, let's hope this won't become relevant; to sleep in peace,
* let's put an assert to check that it is the expected DU UE ID. */ * let's put an assert to check that it is the expected DU UE ID. */
f1_ue_data_t ue_data = cu_get_f1_ue_data(cu_ue_f1ap_id); f1_ue_data_t ue_data = cu_get_f1_ue_data(cu_ue_f1ap_id);
AssertFatal(ue_data.secondary_ue == du_ue_f1ap_id, if (ue_data.secondary_ue != du_ue_f1ap_id) {
"unexpected DU UE ID %d received, expected it to be %ld\n", LOG_E(F1AP, "unexpected DU UE ID %d received, expected it to be %ld\n", ue_data.secondary_ue, du_ue_f1ap_id);
ue_data.secondary_ue, return 1;
du_ue_f1ap_id); }
/* mandatory */ /* mandatory */
/* SRBID */ /* SRBID */