linux-kernel - Re: [PATCH net-next] cdc_ether: Improve ZTE MF823/831/910 handling

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Date:	Tue, 19 Jul 2016 15:30:07 +0700
From:	Lars Melin <larsm17@...il.com>
To:	Kristian Evensen <kristian.evensen@...il.com>,
	Oliver Neukum <oneukum@...e.com>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	Network Development <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next] cdc_ether: Improve ZTE MF823/831/910 handling

On 2016-07-19 13:40, Kristian Evensen wrote:

> I guess I can match on the VID/PID in usbnet, but won't it be cleaner
> to add a new bind() function (in cdc_ether) which matches the two PIDs
> and leave usbnet as is? Or am I misunderstanding how to add this
> functionality to usbnet?
>

Matching on the usb id is probably not a great idea, there is more id's
than the two you have found and there is also more than two non-unique 
mac addresses.

Example:

0200FFAAAAAA  19d2:1589/1592/1595
020CE70B0102  19d2:1040/1048/1405

You can easily find them by googling them, without colon separators you
will find them in verbose lsusb listings, with colons you will find them 
in dmesg pastings.

I would probably have found more dupes if users had refrained from using 
the stupid usbdevices cmd which removes almost all interesting info from 
device listings in internet foras.

/Lars