MTIP_PF_TO_ACTIVE_BIT
if (test_bit(MTIP_PF_TO_ACTIVE_BIT, &port->flags)) {
clear_bit(MTIP_PF_TO_ACTIVE_BIT, &dd->port->flags);
if (test_and_set_bit(MTIP_PF_TO_ACTIVE_BIT, &dd->port->flags))
(1 << MTIP_PF_TO_ACTIVE_BIT)),
(1 << MTIP_PF_TO_ACTIVE_BIT)),