igmp6_net_ops 3000 net/ipv6/mcast.c static struct pernet_operations igmp6_net_ops = { igmp6_net_ops 3007 net/ipv6/mcast.c return register_pernet_subsys(&igmp6_net_ops); igmp6_net_ops 3017 net/ipv6/mcast.c unregister_pernet_subsys(&igmp6_net_ops);