SMSC95XX_TX_OVERHEAD_CSUM 1310 drivers/net/usb/smsc95xx.c 	dev->net->hard_header_len += SMSC95XX_TX_OVERHEAD_CSUM;
SMSC95XX_TX_OVERHEAD_CSUM 2021 drivers/net/usb/smsc95xx.c 	int overhead = csum ? SMSC95XX_TX_OVERHEAD_CSUM : SMSC95XX_TX_OVERHEAD;