rnr_nak_timer
mod_timer(&qp->rnr_nak_timer,
void rnr_nak_timer(struct timer_list *t);
timer_setup(&qp->rnr_nak_timer, rnr_nak_timer, 0);
qp->rnr_nak_timer.function) {
timer_delete_sync(&qp->rnr_nak_timer);
struct rxe_qp *qp = timer_container_of(qp, t, rnr_nak_timer);
struct timer_list rnr_nak_timer;