svn commit: r346052 - head/sys/dev/usb/net

[John Baldwin]

On 4/9/19 6:54 AM, Ganbold Tsagaankhuu wrote:
> Author: ganbold
> Date: Tue Apr  9 13:54:08 2019
> New Revision: 346052
> URL: https://svnweb.freebsd.org/changeset/base/346052
> 
> Log:
>   In some cases like NanoPI R1, its second USB ethernet
>   RTL8152 (chip version URE_CHIP_VER_4C10) doesn't
>   have hardwired MAC address, in other words, it is all zeros.
>   This commit fixes it by setting random MAC address
>   when MAC address is all zeros.
>   
>   Reviewed by:	kevlo
>   Differential Revision:	https://reviews.freebsd.org/D19856

It would be best to not use a purely random mac address and to use the
function kevans@ added recently.  That function generates a MAC address
from the FreeBSD OUI using a cryptographic hash so you get a
stable address across boots on a given host.

-- 
John Baldwin