oce_create_ring_buffer
oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
wq->ring = oce_create_ring_buffer(sc, q_len, NIC_WQE_SIZE);
rq->ring = oce_create_ring_buffer(sc, q_len,
eq->ring = oce_create_ring_buffer(sc, q_len, item_size);
mq->ring = oce_create_ring_buffer(sc, q_len, sizeof(struct oce_mbx));
cq->ring = oce_create_ring_buffer(sc, q_len, item_size);