[Bug 243999] cdce does not find Lenovo onelink+ dock

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243999

            Bug ID: 243999
           Summary: cdce does not find Lenovo onelink+ dock
           Product: Base System
           Version: 12.1-RELEASE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: markand at malikania.fr

Hi,

I have a Lenovo onelink+ dock which contains several USB, video output, audio
and an ethernet card. The ethernet card is based on the USB driver which is
detected by cdce on OpenBSD but not on FreeBSD.

I don't know how I can add vendor/product id to test if it simply adding those
could detect the interface if someone© could point me the direction I'd be
happy to build the kernel with those IDs and test.

Here's the output of usbconfig:

ugen0.1: <0x8086 XHCI root HUB> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=SAVE (0mA)
ugen0.3: <Logitech USB Receiver> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps)
pwr=ON (98mA)
ugen0.4: <VIA Labs, Inc. USB2.0 Hub> at usbus0, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=SAVE (0mA)
ugen0.5: <VIA Labs, Inc. USB2.0 Hub> at usbus0, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=SAVE (0mA)
ugen0.6: <C-Media Electronics Inc. ThinkPad OneLink Plus Dock Audio> at usbus0,
cfg=0 md=HOST spd=FULL (12Mbps) pwr=ON (100mA)
ugen0.7: <vendor 0x05e3 USB2.0 Hub> at usbus0, cfg=0 md=HOST spd=HIGH (480Mbps)
pwr=SAVE (100mA)
ugen0.8: <vendor 0x04d9 USB Keyboard> at usbus0, cfg=0 md=HOST spd=LOW
(1.5Mbps) pwr=ON (100mA)
ugen0.9: <vendor 0x046a wired keyboard> at usbus0, cfg=0 md=HOST spd=LOW
(1.5Mbps) pwr=ON (100mA)
ugen0.10: <vendor 0x8087 product 0x0a2b> at usbus0, cfg=0 md=HOST spd=FULL
(12Mbps) pwr=ON (100mA)
ugen0.11: <Chicony Electronics Co.,Ltd. Integrated Camera> at usbus0, cfg=0
md=HOST spd=HIGH (480Mbps) pwr=ON (500mA)
ugen0.12: <VIA Labs, Inc. USB3.0 Hub> at usbus0, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=SAVE (0mA)
ugen0.13: <VIA Labs, Inc. USB3.0 Hub> at usbus0, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=SAVE (0mA)
ugen0.14: <Western Digital My Passport 0810> at usbus0, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=ON (224mA)
ugen0.15: <Lenovo OneLink+ Giga> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=ON (64mA)
ugen0.16: <jmicron jmicron> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps) pwr=ON
(224mA)

I guess the ethernet interface is at ugen0.15 but I'm not sure how we can
retrieve the information in a reliable way.

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