| From 8f321ec08beba0cba001367bfbed831c8d316978 Mon Sep 17 00:00:00 2001 |
| From: Li Wei <lw@cn.fujitsu.com> |
| Date: Mon, 5 Mar 2012 14:45:17 +0000 |
| Subject: IPv6: Fix not join all-router mcast group when forwarding set. |
| |
| |
| From: Li Wei <lw@cn.fujitsu.com> |
| |
| [ Upstream commit d6ddef9e641d1229d4ec841dc75ae703171c3e92 ] |
| |
| 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> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| net/ipv6/addrconf.c | 4 ++++ |
| 1 file changed, 4 insertions(+) |
| |
| --- a/net/ipv6/addrconf.c |
| +++ b/net/ipv6/addrconf.c |
| @@ -433,6 +433,10 @@ static struct inet6_dev * ipv6_add_dev(s |
| /* 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; |
| } |
| |
