RX_TX_RING_SHADOW_SPACE
(rx_ring->cq_id * sizeof (uint64_t) * RX_TX_RING_SHADOW_SPACE)
(rx_ring->cq_id * sizeof (uint64_t) * RX_TX_RING_SHADOW_SPACE)
sizeof (uint64_t) * RX_TX_RING_SHADOW_SPACE) + sizeof (uint64_t)));
(tx_ring->wq_id * sizeof (uint64_t)) * RX_TX_RING_SHADOW_SPACE;
(tx_ring->wq_id * sizeof (uint64_t)) * RX_TX_RING_SHADOW_SPACE;