Index: uspace/srv/net/udp/assoc.c
===================================================================
--- uspace/srv/net/udp/assoc.c	(revision feeac0d8cd6e0ce736779bc5f1dc701c5cf42ba6)
+++ uspace/srv/net/udp/assoc.c	(revision 0c2d9bb57bc590e00bd17e5f7cf0937be160cca7)
@@ -184,4 +184,18 @@
 	fibril_mutex_unlock(&assoc_list_lock);
 	udp_assoc_delref(assoc);
+}
+
+/** Set IP link in association.
+ *
+ * @param assoc		Association
+ * @param iplink	IP link
+ */
+void udp_assoc_set_iplink(udp_assoc_t *assoc, service_id_t iplink)
+{
+	log_msg(LOG_DEFAULT, LVL_DEBUG, "udp_assoc_set_iplink(%p, %zu)",
+	    assoc, iplink);
+	fibril_mutex_lock(&assoc->lock);
+	assoc->ident.iplink = iplink;
+	fibril_mutex_unlock(&assoc->lock);
 }