On Thursday, August 31, 2017 at 5:11:49 PM UTC+3, RobertCNelson wrote:
>
> On Thu, Aug 31, 2017 at 9:07 AM, Tarmo Kuuse <[email protected] 
> <javascript:>> wrote: 
> > I've been reading the am335x_evm.sh & friends for a while and don't get 
> it. 
> > Why are there two separate Ethernet over USB interfaces - eth0 and eth1 
> - 
> > doing the same exact thing? They both show up when I connect a BB to my 
> > Debian PC. 
> > 
> > Having no experience with gadget and libcomposite, I'd guess that RNDIS 
> and 
> > CDC ECM are both required simultaneously to somehow support 
> > Windows/Mac/Linux users out of the box? 
>
> So this is Windows and Apple's fault.. 
>
> Windows = CDC ECM = needs signed driver.. 
> Apple = RNDIS = needs signed driver... 
>
> Windows will use the RNDIS with a built-in driver, thus user doesn't 
> have to install anything... 
> Apple will use the CDC ECM with a built-in driver, thus user doesn't 
> have to install anything... 
>
> So in linux, we end with two interfaces, because Windows and Apple 
> don't have a unified built-in driver... 
>

Fair enough, thanks for the explanation.

Since the comments in "autoconfigure_usb1.sh" say it's handling CDC/ECM, I 
assume that the other one (usb0) does RNDIS.

--
Kind regards,
Tarmo

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