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ipv6: gre: setup default multicast routes over PtP links 

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>
hifive-unleashed-5.1
Hannes Frederic Sowa 2015-10-08 18:19:39 +02:00 committed by David S. Miller
parent f9468e8dc8
commit d9e4ce65b2
1 changed files with 2 additions and 0 deletions
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2
net/ipv6/addrconf.c
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@ -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