ipv6: gre: setup default multicast routes over PtP links
authorHannes Frederic Sowa <hannes@stressinduktion.org>
Thu, 8 Oct 2015 16:19:39 +0000 (18:19 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sun, 11 Oct 2015 12:30:43 +0000 (05:30 -0700)
GRE point-to-point interfaces should also support ipv6 multicast. Setting
up default multicast routes on interface creation was forgotten. Add it.

Bugzilla: <https://bugzilla.kernel.org/show_bug.cgi?id=103231>
Cc: Julien Muchembled <jm@jmuchemb.eu>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Nicolas Dumazet <ndumazet@google.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv6/addrconf.c

index 9001133..36b85bd 100644 (file)
@@ -3119,6 +3119,8 @@ static void addrconf_gre_config(struct net_device *dev)
        }
 
        addrconf_addr_gen(idev, true);
+       if (dev->flags & IFF_POINTOPOINT)
+               addrconf_add_mroute(dev);
 }
 #endif