rge_rx_desc
struct rge_rx_desc *r = &q->q_rx.rge_rx_list[idx];
idx * sizeof(struct rge_rx_desc), sizeof(struct rge_rx_desc),
struct rge_rx_desc *cur_rx;
i * sizeof(struct rge_rx_desc), sizeof(struct rge_rx_desc),
#define RGE_RX_LIST_SZ (sizeof(struct rge_rx_desc) * RGE_RX_LIST_CNT)
struct rge_rx_desc *rge_rx_list;