Watchguard T70 HW discovery

[stephenw10]

Mmm, maybe that MDIO bus code isn't in OpenWRT:

Trying to install OpenWrt on a Velocloud 520-AC

That's what I referred to with 'possible, but a heck of a lot of work', sources are available, but they are very invasively changing igb (with the necessary MDIO communication channel for the marvell switch). Getting this extracted from the ancient kernel sources and then forward ported to OpenWrt's modern kernel will be... difficult... and time intensive.... and given the effort, it would have to get merged mainline first, which makes it yet a notch more difficult. It's a 'possible' task for …

I had thought it was form the Velocloud sources but it looks like it was custom and not upstreamed.