Function ccp_queue_get_ring_space

freebsd/crypto/ccp/ccp.h:253–260

}

static inline unsigned
ccp_queue_get_ring_space(struct ccp_queue *qp)
{
	struct ccp_softc *sc;

	sc = qp->cq_softc;
	return ((1 << sc->ring_size_order) - ccp_queue_get_active(qp) - 1);
}