[src/trunk]: src/sys/netinet6 refresh default router list on nd6_detach(), on...

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

details:   https://anonhg.NetBSD.org/src/rev/fab7436d0c71
branches:  trunk
changeset: 511818:fab7436d0c71
user:      itojun <itojun%NetBSD.org@localhost>
date:      Wed Jun 27 17:36:14 2001 +0000

description:
refresh default router list on nd6_detach(), only if we are an
autoconfigured host.  bug was that, we will lose default route on
"ifconfig gif0 destroy" even if default is not pointing to gif0.
reported by ume%mahoroba.org@localhost.  sync with kame

diffstat:

 sys/netinet6/nd6.c |  12 +++++++-----
 1 files changed, 7 insertions(+), 5 deletions(-)

diffs (26 lines):

diff -r 6333dc6d5856 -r fab7436d0c71 sys/netinet6/nd6.c
--- a/sys/netinet6/nd6.c        Wed Jun 27 17:33:43 2001 +0000
+++ b/sys/netinet6/nd6.c        Wed Jun 27 17:36:14 2001 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: nd6.c,v 1.47 2001/06/22 13:36:12 itojun Exp $  */
+/*     $NetBSD: nd6.c,v 1.48 2001/06/27 17:36:14 itojun Exp $  */
 /*     $KAME: nd6.c,v 1.151 2001/06/19 14:24:41 sumikawa Exp $ */
 
 /*
@@ -625,10 +625,12 @@
        if (nd6_defifindex == ifp->if_index)
                nd6_setdefaultiface(0);
 
-       /* refresh default router list */
-       bzero(&drany, sizeof(drany));
-       defrouter_delreq(&drany, 0);
-       defrouter_select();
+       if (!ip6_forwarding && ip6_accept_rtadv) { /* XXX: too restrictive? */
+               /* refresh default router list */
+               bzero(&drany, sizeof(drany));
+               defrouter_delreq(&drany, 0);
+               defrouter_select();
+       }
 
        /*
         * Nuke neighbor cache entries for the ifp.