tunnel4_handlers 19 net/ipv4/tunnel4.c static struct xfrm_tunnel __rcu *tunnel4_handlers __read_mostly; tunnel4_handlers 26 net/ipv4/tunnel4.c return (family == AF_INET) ? &tunnel4_handlers : tunnel4_handlers 102 net/ipv4/tunnel4.c for_each_tunnel_rcu(tunnel4_handlers, handler) tunnel4_handlers 157 net/ipv4/tunnel4.c for_each_tunnel_rcu(tunnel4_handlers, handler)