PKT_BUF_SIZE
u8 pkt_buf[PKT_BUF_SIZE];
u8 pkt_buf[PKT_BUF_SIZE];
#define RX_BUFF_SIZE PKT_BUF_SIZE
#define TX_BUFF_SIZE PKT_BUF_SIZE
u_short tx_buff[TX_RING_SIZE][PKT_BUF_SIZE / sizeof(u_short)];
u_short rx_buff[RX_RING_SIZE][PKT_BUF_SIZE / sizeof(u_short)];
t->TMD2 = swapw((u_short)-PKT_BUF_SIZE);
r->RMD2 = swapw((u_short)-PKT_BUF_SIZE);
if (unlikely(pkt_len > PKT_BUF_SIZE)) {
PKT_BUF_SIZE,
PKT_BUF_SIZE,
PKT_BUF_SIZE, DMA_FROM_DEVICE);
PKT_BUF_SIZE, DMA_FROM_DEVICE);
PKT_BUF_SIZE,
PKT_BUF_SIZE,
PKT_BUF_SIZE,
dma_unmap_single(dev, d, PKT_BUF_SIZE, DMA_FROM_DEVICE);
dma_unmap_single(dev, d, PKT_BUF_SIZE, DMA_TO_DEVICE);
buf = kmalloc(PKT_BUF_SIZE, GFP_KERNEL);
d = dma_map_single(dev, buf, PKT_BUF_SIZE, DMA_FROM_DEVICE);
ep->descs->rdesc[i].rdesc1 = (i << 16) | PKT_BUF_SIZE;
buf = kmalloc(PKT_BUF_SIZE, GFP_KERNEL);
d = dma_map_single(dev, buf, PKT_BUF_SIZE, DMA_TO_DEVICE);