netns: ip6mr: allocate mroute6_socket per-namespace.

Preliminary work to make IPv6 multicast forwarding netns-aware.

Make IPv6 multicast forwarding mroute6_socket per-namespace,
moves it into struct netns_ipv6.

At the moment, mroute6_socket is only referenced in init_net.

Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 2932721180c0..8a0a67d073b3 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -55,5 +55,8 @@ struct netns_ipv6 {
         struct sock             *ndisc_sk;
         struct sock             *tcp_sk;
         struct sock             *igmp_sk;
+#ifdef CONFIG_IPV6_MROUTE
+        struct sock             *mroute6_sk;
+#endif
 };
 #endif