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-rw-r--r--openbsc/include/openbsc/iu.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/openbsc/include/openbsc/iu.h b/openbsc/include/openbsc/iu.h
index 2f02dd017..b261cb0ed 100644
--- a/openbsc/include/openbsc/iu.h
+++ b/openbsc/include/openbsc/iu.h
@@ -15,8 +15,12 @@ struct ue_conn_ctx {
enum iu_event_type {
IU_EVENT_RAB_ASSIGN,
- IU_EVENT_IU_RELEASE,
IU_EVENT_SECURITY_MODE_COMPLETE,
+ IU_EVENT_IU_RELEASE, /* An actual Iu Release message was received */
+ IU_EVENT_LINK_INVALIDATED, /* A SUA link was lost or closed down */
+ /* FIXME: maybe IU_EVENT_IU_RELEASE and IU_EVENT_LINK_INVALIDATED
+ * should be combined to one generic event that simply means the
+ * ue_conn_ctx should no longer be used, for whatever reason. */
};
/* Implementations of iu_recv_cb_t shall find the ue_conn_ctx in msg->dst. */