Re: aue0 detected as ue0 on 8.0-RC2

On Tue, Nov 03, 2009 at 10:10:47AM +0000, Gavin Atkinson wrote:
> [freebsd-current cc'd, as that was where the thread started, but this
> probably belongs on -usb, replies should go there]
> 
> On Sat, 2009-10-31 at 21:59 +0100, Rick van der Zwet wrote:
> > The first net interface of a aue(4) define used to be called aue0
> > afaik. But is now called ue0 (declared in usb/net/usb_ethernet.c). (no
> > sign of ue(4) btw).
> > 
> > I was looking in the UPDATING, man, mailinglists freebsd-usb_at_ and
> > freebsd-current_at_. But I could not find the reason why the naming
> > convention on this aue differs from the regular stuff, anybody?
> > 
> > /Rick
> > 
> > quick# dmesg | tail -8
> > ugen1.3: <ADMtek> at usbus1
> > aue0: <ADMtek USB To LAN Converter, rev 2.00/1.01, addr 3> on usbus1
> > miibus1: <MII bus> on aue0
> > ukphy0: <Generic IEEE 802.3u media interface> PHY 1 on miibus1
> > ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> > ue0: <USB Ethernet> on aue0
> > ue0: Ethernet address: 00:00:e8:00:11:36
> > ue0: link state changed to DOWN
> > 
> > quick# ifconfig -l
> > bfe0 lo0 ue0
> 
> Hmm, this looks like a serious bug, possibly in the new USB subsystem
> (HPS CC'd).
> 
> I've got an axe(4) device, which also does the same:
> 
> ugen7.3: <vendor 0x0b95> at usbus7
> axe0: <vendor 0x0b95 product 0x7720, rev 2.00/0.01, addr 3> on usbus7
> axe0: PHYADDR 0xe0:0x10
> miibus1: <MII bus> on axe0
> ukphy0: <Generic IEEE 802.3u media interface> PHY 16 on miibus1
> ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> ue0: <USB Ethernet> on axe0
> ue0: Ethernet address: 00:50:b6:05:57:a7
> ue0: link state changed to DOWN
> 

I'm not sure this is feature of new USB or bug. I don't have strong
objections on current behavior but looks like I'm seeing Linux
behavior. Traditionally all network interfaces used their own
driver name. I think this change should be documented in UPDATING.

> Gavin