From b2f5f216cdfebbfcdd35d7d20f4af807330554e3 Mon Sep 17 00:00:00 2001
From: Guido Casati <hello@guidocasati.com>
Date: Thu, 7 Nov 2024 13:18:09 +0100
Subject: [PATCH] Add E1AP cause enum definition

---
 openair2/COMMON/e1ap_messages_types.h | 74 +++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/openair2/COMMON/e1ap_messages_types.h b/openair2/COMMON/e1ap_messages_types.h
index 980fb86173..7ef843f6bd 100644
--- a/openair2/COMMON/e1ap_messages_types.h
+++ b/openair2/COMMON/e1ap_messages_types.h
@@ -57,6 +57,80 @@
 
 typedef net_ip_address_t e1ap_net_ip_address_t;
 
+typedef enum {
+    E1AP_RADIO_CAUSE_UNSPECIFIED = 0,
+    E1AP_RADIO_CAUSE_UNKNOWN_ALREADY_ALLOCATED_GNB_CU_CP_UE_E1AP_ID,
+    E1AP_RADIO_CAUSE_UNKNOWN_ALREADY_ALLOCATED_GNB_CU_UP_UE_E1AP_ID,
+    E1AP_RADIO_CAUSE_UNKNOWN_INCONSISTENT_PAIR_UE_E1AP_ID,
+    E1AP_RADIO_CAUSE_INTERACTION_WITH_OTHER_PROCEDURE,
+    E1AP_RADIO_CAUSE_PDCP_COUNT_WRAP_AROUND,
+    E1AP_RADIO_CAUSE_UNSUPPORTED_QCI_VALUE,
+    E1AP_RADIO_CAUSE_UNSUPPORTED_5QI_VALUE,
+    E1AP_RADIO_CAUSE_ENCRYPTION_ALGORITHMS_NOT_SUPPORTED,
+    E1AP_RADIO_CAUSE_INTEGRITY_PROTECTION_ALGORITHMS_NOT_SUPPORTED,
+    E1AP_RADIO_CAUSE_UP_INTEGRITY_PROTECTION_NOT_POSSIBLE,
+    E1AP_RADIO_CAUSE_UP_CONFIDENTIALITY_PROTECTION_NOT_POSSIBLE,
+    E1AP_RADIO_CAUSE_MULTIPLE_PDU_SESSION_ID_INSTANCES,
+    E1AP_RADIO_CAUSE_UNKNOWN_PDU_SESSION_ID,
+    E1AP_RADIO_CAUSE_MULTIPLE_QOS_FLOW_ID_INSTANCES,
+    E1AP_RADIO_CAUSE_UNKNOWN_QOS_FLOW_ID,
+    E1AP_RADIO_CAUSE_MULTIPLE_DRB_ID_INSTANCES,
+    E1AP_RADIO_CAUSE_UNKNOWN_DRB_ID,
+    E1AP_RADIO_CAUSE_INVALID_QOS_COMBINATION,
+    E1AP_RADIO_CAUSE_PROCEDURE_CANCELLED,
+    E1AP_RADIO_CAUSE_NORMAL_RELEASE,
+    E1AP_RADIO_CAUSE_NO_RADIO_RESOURCES_AVAILABLE,
+    E1AP_RADIO_CAUSE_ACTION_DESIRABLE_FOR_RADIO_REASONS,
+    E1AP_RADIO_CAUSE_RESOURCES_NOT_AVAILABLE_FOR_SLICE,
+    E1AP_RADIO_CAUSE_PDCP_CONFIG_NOT_SUPPORTED,
+    E1AP_RADIO_CAUSE_UE_DL_MAX_INTEGRITY_PROTECTED_DATA_RATE_REASON,
+    E1AP_RADIO_CAUSE_UP_INTEGRITY_PROTECTION_FAILURE,
+    E1AP_RADIO_CAUSE_RELEASE_DUE_TO_PREEMPTION,
+    E1AP_RADIO_CAUSE_RSN_NOT_AVAILABLE_FOR_UP,
+    E1AP_RADIO_CAUSE_NPN_NOT_SUPPORTED,
+    E1AP_RADIO_CAUSE_OTHER
+} e1ap_cause_radio_t;
+
+typedef enum {
+    E1AP_TRANSPORT_CAUSE_UNSPECIFIED = 0,
+    E1AP_TRANSPORT_CAUSE_RESOURCE_UNAVAILABLE,
+    E1AP_TRANSPORT_CAUSE_UNKNOWN_TNL_ADDRESS_FOR_IAB,
+    E1AP_TRANSPORT_CAUSE_OTHER
+} e1ap_cause_transport_t;
+
+typedef enum {
+    E1AP_PROTOCOL_CAUSE_TRANSFER_SYNTAX_ERROR = 0,
+    E1AP_PROTOCOL_CAUSE_ABSTRACT_SYNTAX_ERROR_REJECT,
+    E1AP_PROTOCOL_CAUSE_ABSTRACT_SYNTAX_ERROR_IGNORE_NOTIFY,
+    E1AP_PROTOCOL_CAUSE_MESSAGE_NOT_COMPATIBLE_WITH_RECEIVER_STATE,
+    E1AP_PROTOCOL_CAUSE_SEMANTIC_ERROR,
+    E1AP_PROTOCOL_CAUSE_ABSTRACT_SYNTAX_ERROR_FALSELY_CONSTRUCTED_MESSAGE,
+    E1AP_PROTOCOL_CAUSE_UNSPECIFIED,
+    E1AP_PROTOCOL_CAUSE_OTHER
+} e1ap_cause_protocol_t;
+
+typedef enum {
+    E1AP_MISC_CAUSE_CONTROL_PROCESSING_OVERLOAD,
+    E1AP_MISC_CAUSE_NOT_ENOUGH_USER_PLANE_PROCESSING_RESOURCES,
+    E1AP_MISC_CAUSE_HARDWARE_FAILURE,
+    E1AP_MISC_CAUSE_OM_INTERVENTION,
+    E1AP_MISC_CAUSE_UNSPECIFIED,
+    E1AP_MISC_CAUSE_OTHER
+} e1ap_cause_misc_t;
+
+typedef enum e1ap_cause_group_e {
+  E1AP_CAUSE_NOTHING,
+  E1AP_CAUSE_RADIO_NETWORK,
+  E1AP_CAUSE_TRANSPORT,
+  E1AP_CAUSE_PROTOCOL,
+  E1AP_CAUSE_MISC
+} e1ap_cause_group_t;
+
+typedef struct e1ap_cause_s {
+  e1ap_cause_group_t type;
+  uint8_t value;
+} e1ap_cause_t;
+
 typedef enum BEARER_CONTEXT_STATUS_e {
   BEARER_ACTIVE = 0,
   BEARER_SUSPEND,