IXL_PHY_ABILITY_LINKUP
abilities = IXL_PHY_ABILITY_AUTONEGO | IXL_PHY_ABILITY_LINKUP;
CLR(abilities, IXL_PHY_ABILITY_LINKUP);
if (ISSET(abilities, IXL_PHY_ABILITY_LINKUP)) {
abilities = IXL_PHY_ABILITY_LINKUP | IXL_PHY_ABILITY_AUTONEGO;