TxFIFOUnder       183 drivers/net/ethernet/dec/tulip/de2104x.c 	TxFIFOUnder		= (1 << 1),
TxFIFOUnder       195 drivers/net/ethernet/realtek/8139cp.c 	TxFIFOUnder	= (1 << 25), /* Tx FIFO underrun */