sit_handler 1790 net/ipv6/sit.c static struct xfrm_tunnel sit_handler __read_mostly = { sit_handler 1910 net/ipv6/sit.c xfrm4_tunnel_deregister(&sit_handler, AF_INET6); sit_handler 1929 net/ipv6/sit.c err = xfrm4_tunnel_register(&sit_handler, AF_INET6); sit_handler 1960 net/ipv6/sit.c xfrm4_tunnel_deregister(&sit_handler, AF_INET6);