W5100_S0_TX_WR 808 drivers/net/ethernet/wiznet/w5100.c offset = w5100_read16(priv, W5100_S0_TX_WR(priv)); W5100_S0_TX_WR 810 drivers/net/ethernet/wiznet/w5100.c w5100_write16(priv, W5100_S0_TX_WR(priv), offset + skb->len);