e1000_set_d0_lplu_state

This function sets the lplu d0 state according to the active flag. When

static int32_t e1000_set_d0_lplu_state(
　　struct e1000_hw * hw
　　boolean_t active
)

hw

active

This function sets the lplu d0 state according to the active flag.  When
activating lplu this function also disables smart speed and vise versa.
lplu will not be activated unless the device autonegotiation advertisment
meets standards of either 10 or 10/100 or 10/100/1000 at all duplexes.