axidma_desc
bzero(desc, sizeof(struct axidma_desc));
bzero(desc, sizeof(struct axidma_desc));
(RX_DESC_COUNT - 1) * sizeof(struct axidma_desc);
struct axidma_desc *desc;
desc->next = sc->txdesc_ring_paddr + sizeof(struct axidma_desc) * nidx;
addr = sc->txdesc_ring_paddr + tmp * sizeof(struct axidma_desc);
struct axidma_desc *desc;
struct axidma_desc *desc;
desc->next = sc->rxdesc_ring_paddr + sizeof(struct axidma_desc) * nidx;
struct axidma_desc *desc;
addr = sc->rxdesc_ring_paddr + tmp * sizeof(struct axidma_desc);
struct axidma_desc *desc;
#define RX_DESC_SIZE (sizeof(struct axidma_desc) * RX_DESC_COUNT)
#define TX_DESC_SIZE (sizeof(struct axidma_desc) * TX_DESC_COUNT)
struct axidma_desc *rxdesc_ring;
struct axidma_desc *txdesc_ring;