On 6/4/2019 2:36 PM, Russell King - ARM Linux admin wrote: > Normally the PHY receives traffic, and passes it to the MAC which > just ignores the signals it receives from the PHY, so no processing > beyond the PHY receiving the traffic happens. > > Ultimately, whether you want the PHY to stay linked or not linked > is, imho, a policy that should be set by the administrator (consider > where a system needs to become available quickly after boot vs a > system where power saving is important.) We don't, however, have > a facility to specify that policy though.
Maybe that's what we need, something like: ip link set dev eth0 phy [on|off|wake] or whatever we deem appropriate such that people willing to maintain the PHY on can do that. -- Florian
