taglinefilesource code
XMT_LOWER_LIMIT575drivers/net/eepro.coutb(XMT_LOWER_LIMIT, ioaddr + XMT_LOWER_LIMIT_REG); 
XMT_LOWER_LIMIT595drivers/net/eepro.coutw(XMT_LOWER_LIMIT << 8, ioaddr + XMT_BAR); 
XMT_LOWER_LIMIT636drivers/net/eepro.clp->tx_start = lp->tx_end = XMT_LOWER_LIMIT << 8; /* or = RCV_RAM */