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| author | ume <ume@FreeBSD.org> | 2004-01-10 08:59:21 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2004-01-10 08:59:21 +0000 |
| commit | c757933596d28b29d15291cb92520d1100cec3af (patch) | |
| tree | 10ba7ac76ea056f13299e58b7419b52f8d103d4e | |
| parent | 3481adf42661106c54c4196cd4bc91c2e240323a (diff) | |
| download | FreeBSD-src-c757933596d28b29d15291cb92520d1100cec3af.zip FreeBSD-src-c757933596d28b29d15291cb92520d1100cec3af.tar.gz | |
try rtinit() only when the route is not installed.
this allows, e.g., duplicated attempts of 'ifconfig lo0 ::1'
like for IPv4.
Obtained from: KAME
MFC after: 1 week
| -rw-r--r-- | sys/netinet6/in6.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index e8e8652..d5bd36c 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -1527,12 +1527,15 @@ in6_ifinit(ifp, ia, sin6, newhost) /* * Special case: - * If the destination address is specified for a point-to-point + * If a new destination address is specified for a point-to-point * interface, install a route to the destination as an interface * direct route. + * XXX: the logic below rejects assigning multiple addresses on a p2p + * interface that share a same destination. */ plen = in6_mask2len(&ia->ia_prefixmask.sin6_addr, NULL); /* XXX */ - if (plen == 128 && ia->ia_dstaddr.sin6_family == AF_INET6) { + if (!(ia->ia_flags & IFA_ROUTE) && plen == 128 && + ia->ia_dstaddr.sin6_family == AF_INET6) { if ((error = rtinit(&(ia->ia_ifa), (int)RTM_ADD, RTF_UP | RTF_HOST)) != 0) return (error); |
