usr/src/cmd/dlmgmtd/dlmgmt_door.c

@@ -20,10 +20,11 @@
  */
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2017 Joyent, Inc.
+ * Copyright 2023 Oxide Computer Company
  */
 
 /*
  * Functions to maintain a table of datalink configuration information.
  */

@@ -68,19 +69,25 @@
          * is owned by the GZ but is currently being loaned out to an
          * NGZ. E.g., when the GZ admin creates a VNIC for exclusive
          * use by an NGZ. If ll_onloan is set then ll_zoneid cannot be 0.
          *
          * If ll_zoneid is set to the id of an NGZ but ll_onloan is
-         * not set then the link was created and is owned by the NGZ.
+         * not set then the link was created by, and is owned by, the NGZ.
          */
         zoneid_t                ll_zoneid;
         boolean_t               ll_onloan;
         avl_node_t              ll_name_node;
         avl_node_t              ll_id_node;
         uint32_t                ll_flags;
         uint32_t                ll_gen;         /* generation number */
-        boolean_t               ll_trans;       /* transient link */
+        /*
+         * A transient link is one that is created and destroyed along with the
+         * lifetime of a zone. It is a non-persistent link that is owned by the
+         * zone (ll_zoneid is set to the id of the NGZ). It is specifically not
+         * on-loan from the GZ.
+         */
+        boolean_t               ll_transient;
 } dlmgmt_link_t;
 
 /*
  * datalink configuration request structure
  */