RFD_BUF_LEN
if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN)))
RFD_BUF_LEN, DMA_BIDIRECTIONAL);
if (unlikely(actual_size > RFD_BUF_LEN - sizeof(struct rfd)))
actual_size = RFD_BUF_LEN - sizeof(struct rfd);
dma_unmap_single(&nic->pdev->dev, rx->dma_addr, RFD_BUF_LEN,
rx->dma_addr, RFD_BUF_LEN,
RFD_BUF_LEN, DMA_BIDIRECTIONAL);