netdev - Re: [PATCH] cdc-ether: clean packet filter upon probe

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Date:	Mon, 25 Aug 2014 14:13:42 +0200
From:	Oliver Neukum <oneukum@...e.de>
To:	Bjørn Mork <bjorn@...k.no>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH] cdc-ether: clean packet filter upon probe

On Mon, 2014-08-25 at 10:39 +0200, Bjørn Mork wrote:
> Oliver Neukum <oneukum@...e.de> writes:
> > On Fri, 2014-08-15 at 09:13 +0200, Bjørn Mork wrote:
> >> Oliver Neukum <oneukum@...e.de> writes:
> >> 
> >> > On Thu, 2014-08-14 at 13:11 +0200, Bjørn Mork wrote:
> >
> >> > Support for this request is mandatory.
> >> 
> >> Yes, there is no problem for standard conforming ECM devices.  I fully
> >> agree there. 
> >> 
> >> But standard conformance is unfortunately not something we can expect.
> >> My question was regarding the non-conforming devices, like the ones
> >> supported by th zaurus and rndis_host drivers.  These drivers are made
> >
> > You have a point. Yet another flag? Do you see an alternative?
> 
> Note that I don't know whether this is a real problem or not. I don't
> believe I have any zaurus or rndis_host devices.
> 
> But how about just splitting the .bind functions for true ECM devices
> and the others, letting the zaurus and rndis_host driver continue to use
> usbnet_cdc_bind with no filter setting?  Maybe define a new unexported
> .bind in cdc_ether for this purpose, moving the ECM specific
> initialization there?
> 
> Maybe something along this (instead of the change to
> usbnet_generic_cdc_bind)?:

Yes, that looks superior.

	Regards
		Oliver


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