tb_dp_port_set_hops
int tb_dp_port_set_hops(struct tb_port *port, unsigned int video,
tb_dp_port_set_hops(tunnel->src_port,
tb_dp_port_set_hops(tunnel->dst_port,
tb_dp_port_set_hops(tunnel->src_port, 0, 0, 0);
tb_dp_port_set_hops(tunnel->dst_port, 0, 0, 0);