TG3_RX_OFFSET
rx_data += TG3_RX_OFFSET(tp);
unsigned int skb_size = SKB_DATA_ALIGN(map_sz + TG3_RX_OFFSET(tp)) +
skb_size = SKB_DATA_ALIGN(data_size + TG3_RX_OFFSET(tp)) +
mapping = dma_map_single(&tp->pdev->dev, data + TG3_RX_OFFSET(tp),
prefetch(data + TG3_RX_OFFSET(tp));
skb_reserve(skb, TG3_RX_OFFSET(tp));
data + TG3_RX_OFFSET(tp),