MAC_CTRL_SPEED_10_100
MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100;
MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) <<
mac_ctrl_data |= MAC_CTRL_SPEED_10_100 << MAC_CTRL_SPEED_SHIFT;
MAC_CTRL_SPEED_1000 : MAC_CTRL_SPEED_10_100) <<
MAC_CTRL_SPEED_10_100) << MAC_CTRL_SPEED_SHIFT);