XGBE_DOWN
if (!test_bit(XGBE_DOWN, &pdata->dev_state)) {
if (!test_bit(XGBE_DOWN, &pdata->dev_state)) {
clear_bit(XGBE_DOWN, &pdata->dev_state);
set_bit(XGBE_DOWN, &pdata->dev_state);
set_bit(XGBE_DOWN, &pdata->dev_state);