ENET_MAXF_SIZE
memcpy(pldat->tx_buff_v + txidx * ENET_MAXF_SIZE, skb->data, len);
pldat->dma_buff_size = (ENET_TX_DESC + ENET_RX_DESC) * (ENET_MAXF_SIZE +
tbuff += ENET_MAXF_SIZE * ENET_TX_DESC;
tbuff += ENET_MAXF_SIZE * ENET_RX_DESC;
pldat->tx_buff_v + i * ENET_MAXF_SIZE, pldat);
pldat->rx_buff_v + i * ENET_MAXF_SIZE, pldat);
ptxrxdesc->control = RXDESC_CONTROL_INT | (ENET_MAXF_SIZE - 1);
writel(ENET_MAXF_SIZE, LPC_ENET_MAXF(pldat->net_base));
pldat->rx_buff_v + rxconsidx * ENET_MAXF_SIZE,