E1000_CTRL_EXT_LINK_MODE_MASK
reg &= ~E1000_CTRL_EXT_LINK_MODE_MASK;
switch (ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK) {
link_mode = ctrl_ext & E1000_CTRL_EXT_LINK_MODE_MASK;
ctrl_ext &= ~E1000_CTRL_EXT_LINK_MODE_MASK;
if ((ctrl & E1000_CTRL_EXT_LINK_MODE_MASK) ==