EQ_ENABLED
txq->eq.flags &= ~(EQ_ENABLED | EQ_HW_ALLOCATED);
txq->eq.flags |= EQ_ENABLED;
txq->eq.flags |= EQ_ENABLED;
txq->eq.flags &= ~EQ_ENABLED;
MPASS(!(eq->flags & EQ_ENABLED));
return ((eq->flags & (EQ_ENABLED | EQ_QFLUSH)) != EQ_ENABLED);