[src/trunk]: src/sys Purge ARP/NDP entries on an interface when the interface...

[ozaki-r <ozaki-r%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/a41cbac45eb1
branches:  trunk
changeset: 354580:a41cbac45eb1
user:      ozaki-r <ozaki-r%NetBSD.org@localhost>
date:      Thu Jun 22 09:53:24 2017 +0000

description:
Purge ARP/NDP entries on an interface when the interface is down

Fix PR kern/51179

diffstat:

 sys/netinet/in.c   |  5 +++--
 sys/netinet6/in6.c |  5 +++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diffs (52 lines):

diff -r 255520b98862 -r a41cbac45eb1 sys/netinet/in.c
--- a/sys/netinet/in.c  Thu Jun 22 09:29:23 2017 +0000
+++ b/sys/netinet/in.c  Thu Jun 22 09:53:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in.c,v 1.204 2017/06/22 09:23:10 ozaki-r Exp $ */
+/*     $NetBSD: in.c,v 1.205 2017/06/22 09:53:24 ozaki-r Exp $ */
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -91,7 +91,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.204 2017/06/22 09:23:10 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in.c,v 1.205 2017/06/22 09:53:24 ozaki-r Exp $");
 
 #include "arp.h"
 
@@ -1505,6 +1505,7 @@
 {
 
        in_if_link_down(ifp);
+       lltable_purge_entries(LLTABLE(ifp));
 }
 
 void
diff -r 255520b98862 -r a41cbac45eb1 sys/netinet6/in6.c
--- a/sys/netinet6/in6.c        Thu Jun 22 09:29:23 2017 +0000
+++ b/sys/netinet6/in6.c        Thu Jun 22 09:53:24 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: in6.c,v 1.247 2017/06/22 09:29:23 ozaki-r Exp $        */
+/*     $NetBSD: in6.c,v 1.248 2017/06/22 09:53:25 ozaki-r Exp $        */
 /*     $KAME: in6.c,v 1.198 2001/07/18 09:12:38 itojun Exp $   */
 
 /*
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.247 2017/06/22 09:29:23 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.248 2017/06/22 09:53:25 ozaki-r Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -2274,6 +2274,7 @@
 {
 
        in6_if_link_down(ifp);
+       lltable_purge_entries(LLTABLE6(ifp));
 }
 
 void