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Clear IN6_IFF_DUPLICATED when link goes down or up.

This commit is contained in:
roy 2014-11-03 13:04:12 +00:00
parent cf9b2d5c9d
commit 23e96eacf2
1 changed files with 9 additions and 3 deletions
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12
sys/netinet6/in6.c
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@ -1,4 +1,4 @@
/* $NetBSD: in6.c,v 1.178 2014/10/27 14:10:12 christos Exp $ */
/* $NetBSD: in6.c,v 1.179 2014/11/03 13:04:12 roy 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 1.178 2014/10/27 14:10:12 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: in6.c,v 1.179 2014/11/03 13:04:12 roy Exp $");
#include "opt_inet.h"
#include "opt_compat_netbsd.h"
@ -2167,6 +2167,10 @@ in6_if_link_up(struct ifnet *ifp)
if (ia->ia6_flags & IN6_IFF_TENTATIVE) {
int rand_delay;
/* Clear the duplicated flag as we're starting DAD. */
ia->ia6_flags &= ~IN6_IFF_DUPLICATED;
/*
* The TENTATIVE flag was likely set by hand
* beforehand, implicitly indicating the need for DAD.
@ -2196,6 +2200,7 @@ in6_if_up(struct ifnet *ifp)
/* interface may not support link state, so bring it up also */
in6_if_link_up(ifp);
}
/*
* Mark all addresses as detached.
*/
@ -2229,7 +2234,8 @@ in6_if_link_down(struct ifnet *ifp)
"%s marked detached\n",
ip6_sprintf(&ia->ia_addr.sin6_addr)));
ia->ia6_flags |= IN6_IFF_DETACHED;
ia->ia6_flags &= ~IN6_IFF_TENTATIVE;
ia->ia6_flags &=
~(IN6_IFF_TENTATIVE | IN6_IFF_DUPLICATED);
nd6_newaddrmsg(ifa);
}
}