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Handling E1 connection loss on CU-CP

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- it triggers the RRC callback after SCTP SHUTDOWN indication
- CUUP entity cleanup at RRC level
This commit is contained in:
Guido Casati
2024-01-25 17:10:52 +01:00
committed by Robert Schmidt
parent b9bfff3327
commit 45ca753b24
6 changed files with 52 additions and 0 deletions
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openair2/E1AP/e1ap.c
+10
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@@ -1774,6 +1774,16 @@ static void e1_task_handle_sctp_association_resp(E1_t type, instance_t instance,
{
DevAssert(sctp_new_association_resp != NULL);
getCxtE1(instance)->sockState = sctp_new_association_resp->sctp_state;
if (sctp_new_association_resp->sctp_state == SCTP_STATE_SHUTDOWN) {
LOG_I(E1AP, "Received SCTP shutdown for assoc_id %d, removing CUCP endpoint\n", sctp_new_association_resp->assoc_id);
/* inform RRC that the CU-UP is gone */
MessageDef *message_p = itti_alloc_new_message(TASK_CUCP_E1, 0, E1AP_LOST_CONNECTION);
message_p->ittiMsgHeader.originInstance = sctp_new_association_resp->assoc_id;
itti_send_msg_to_task(TASK_RRC_GNB, instance, message_p);
return;
}
if (sctp_new_association_resp->sctp_state != SCTP_STATE_ESTABLISHED) {
LOG_W(E1AP, "Received unsuccessful result for SCTP association (%u), instance %ld, cnx_id %u\n",
sctp_new_association_resp->sctp_state,