diff options
Diffstat (limited to 'net/ipv6/addrconf.c')
| -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 0f335c67eb8a..be29337ea399 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -433,6 +433,10 @@ 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; } |