USB ethernet adapter support

[Hans Petter Selasky]

On 09/19/14 18:18, Ross Penner wrote:
> On Fri, 19 Sep 2014, at 09:01 AM, Hans Petter Selasky wrote:
>> On 09/17/14 19:58, Ross Penner wrote:
>>> The following is a discussion I had on the freebsd-questions list. I've
>>> decided to take the route of buying an adapter that works on FreeBSD 10
>>> Release but, on suggestion, I thought I would ask on these lists if
>>> there was anywhere I could mail my useless (to me) adapter so support
>>> could be added.
>>>
>>
>> Hi,
>>
>> The current CDCE ethernet driver does not support PHY's. The other
>> ethernet drivers, like if_axe, which does USB3.0 aswell, will get you a
>> PHY. Have a look at sys/dev/usb/net in the source tree.
>>
> Pardon my ignorance but what is PHY's?
>
> For the sake of those searching in the future, I ended up buying a
> TRENDnet TU2-ET100 and it is working fine. I didn't need the USB3.0 (or
> actually even have a 3.0 port) but it's what I happened to have.

Hi,

A PHY/miibus is the external interface of an ethernet adapter typically. 
It is what tells you about the line-rate and various options like full 
duplex, simplex and so on.

--HPS