[src/trunk]: src/sys/net vlan: set the link state to DOWN when its parent det...

[yamaguchi <yamaguchi%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b13a28946cda
branches:  trunk
changeset: 984384:b13a28946cda
user:      yamaguchi <yamaguchi%NetBSD.org@localhost>
date:      Tue Jul 06 01:16:01 2021 +0000

description:
vlan: set the link state to DOWN when its parent detaches

diffstat:

 sys/net/if_vlan.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (34 lines):

diff -r 9d435fab7783 -r b13a28946cda sys/net/if_vlan.c
--- a/sys/net/if_vlan.c Mon Jul 05 21:43:56 2021 +0000
+++ b/sys/net/if_vlan.c Tue Jul 06 01:16:01 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_vlan.c,v 1.154 2021/06/16 00:21:19 riastradh Exp $  */
+/*     $NetBSD: if_vlan.c,v 1.155 2021/07/06 01:16:01 yamaguchi Exp $  */
 
 /*
  * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
@@ -78,7 +78,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.154 2021/06/16 00:21:19 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vlan.c,v 1.155 2021/07/06 01:16:01 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -366,6 +366,7 @@
         * Set the link state to down.
         * When the parent interface attaches we will use that link state.
         * When the parent interface link state changes, so will ours.
+        * When the parent interface detaches, set the link state to down.
         */
        ifp->if_link_state = LINK_STATE_DOWN;
 
@@ -685,6 +686,7 @@
        PSLIST_ENTRY_DESTROY(ifv, ifv_hash);
 
        vlan_linkmib_update(ifv, nmib);
+       if_link_state_change(ifp, LINK_STATE_DOWN);
 
        mutex_exit(&ifv->ifv_lock);