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| author | Li Wei <lw@cn.fujitsu.com> | 2012-03-05 14:45:17 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-06 16:58:47 -0500 |
| commit | d6ddef9e641d1229d4ec841dc75ae703171c3e92 (patch) | |
| tree | eb895255cd3d561b189757cc26a5add23702c491 /net | |
| parent | 34efc283a56adaef5756ac93065f46608674ea7d (diff) | |
| download | lwn-d6ddef9e641d1229d4ec841dc75ae703171c3e92.tar.gz lwn-d6ddef9e641d1229d4ec841dc75ae703171c3e92.zip | |
IPv6: Fix not join all-router mcast group when forwarding set.
When forwarding was set and a new net device is register,
we need add this device to the all-router mcast group.
Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv6/addrconf.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index c02280a4d126..6b8ebc5da0e1 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -434,6 +434,10 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) /* Join all-node multicast group */ ipv6_dev_mc_inc(dev, &in6addr_linklocal_allnodes); + /* Join all-router multicast group if forwarding is set */ + if (ndev->cnf.forwarding && dev && (dev->flags & IFF_MULTICAST)) + ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters); + return ndev; } |