msk_rx_desc
struct msk_rx_desc *r;
memset(rd->sk_rx_ring, 0, sizeof(struct msk_rx_desc) * MSK_RX_RING_CNT);
struct msk_rx_desc *r;
struct msk_rx_desc sk_rx_ring[MSK_RX_RING_CNT];
MSK_CDRXOFF((x)), sizeof(struct msk_rx_desc), (ops)); \