diff options
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/route.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 8ffa24cc8899..98b183f1bc8b 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -223,6 +223,21 @@ static struct neighbour *ip6_neigh_lookup(const struct dst_entry *dst, return neigh_create(&nd_tbl, daddr, dst->dev); } +static void ip6_confirm_neigh(const struct dst_entry *dst, const void *daddr) +{ + struct net_device *dev = dst->dev; + struct rt6_info *rt = (struct rt6_info *)dst; + + daddr = choose_neigh_daddr(rt, NULL, daddr); + if (!daddr) + return; + if (dev->flags & (IFF_NOARP | IFF_LOOPBACK)) + return; + if (ipv6_addr_is_multicast((const struct in6_addr *)daddr)) + return; + __ipv6_confirm_neigh(dev, daddr); +} + static struct dst_ops ip6_dst_ops_template = { .family = AF_INET6, .gc = ip6_dst_gc, @@ -239,6 +254,7 @@ static struct dst_ops ip6_dst_ops_template = { .redirect = rt6_do_redirect, .local_out = __ip6_local_out, .neigh_lookup = ip6_neigh_lookup, + .confirm_neigh = ip6_confirm_neigh, }; static unsigned int ip6_blackhole_mtu(const struct dst_entry *dst) |