Allow the user to configure an MTU of up to 1518, which does not require any additional chip reprogramming, and is tested to work fine on DP83815. ok mikeb@
Allow the user to configure an MTU of up to 1518, which does not require
any additional chip reprogramming, and is tested to work fine on DP83815.
ok mikeb@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars