nx_hostrq_rds_ring_t
(rds_rings)*(sizeof(nx_hostrq_rds_ring_t)) + \
nx_hostrq_rds_ring_t *prq_rds;
(sizeof(nx_hostrq_rds_ring_t) * nrds_rings);
prq_rds = (nx_hostrq_rds_ring_t *)(prq->data +