s1gw: f_ConnHdlr_session_delete(): invalidate peer's SEID

Change-Id: If8027e2bdb5822eb7555cd02a72be900a1f18880
---
M s1gw/S1GW_ConnHdlr.ttcn
1 file changed, 3 insertions(+), 1 deletion(-)


git pull ssh://gerrit.osmocom.org:29418/osmo-ttcn3-hacks refs/changes/38/39538/1

diff --git a/s1gw/S1GW_ConnHdlr.ttcn b/s1gw/S1GW_ConnHdlr.ttcn
index e84c3ab..be9f9d7 100644
--- a/s1gw/S1GW_ConnHdlr.ttcn
+++ b/s1gw/S1GW_ConnHdlr.ttcn
@@ -745,7 +745,7 @@
 	}
 }
 
-function f_ConnHdlr_session_delete(in ERabList erabs)
+function f_ConnHdlr_session_delete(inout ERabList erabs)
 runs on ConnHdlr {
 	for (var integer i := 0; i < lengthof(erabs); i := i + 1) {
 		log("UPF <- S1GW: PFCP Session Deletion Request for E-RAB ID ", erabs[i].erab_id);
@@ -754,6 +754,8 @@
 		f_ConnHdlr_tx_session_delete_resp(erabs[i], pdu);
 		/* ask PFCPEM to *not* route PDUs with this SEID to us */
 		f_PFCPEM_unsubscribe_seid(erabs[i].pfcp_loc_seid);
+		/* peer's SEID is no longer valid, invalidate it */
+		erabs[i].pfcp_rem_seid := omit;
 	}
 }
 

