Error while adding usb ethernet driver

[Chris Johns]

On 04/07/2016 15:46, Sebastian Huber wrote:
> On 03/07/16 06:56, Chris Johns wrote:
>> On 30/06/2016 20:22, Deval Shah wrote:
>>> On Tue, Jun 28, 2016 at 3:12 AM, Chris Johns <chrisj at rtems.org
>>> <mailto:chrisj at rtems.org>> wrote:
>>>
>>>     It might pay for us to add these to an RTEMS header to make porting
>>>     simpler.
>>>
>>> Can't we update our sys/net/if.c and sys/net/if_var.h files accourding
>>> to new FreeBSD ?
>
> I don't think its a good idea to selectively update random files of the
> network stack core.
>

I am fine with this and understand the reasons.

>>
>> I do not know. Currently we have a policy of keeping as much at the
>> snapshot point as we can. Sebastian has looked at moving to FreeBSD 10
>> and backed off doing so because it was more work than he could handle
>> due to changes in FreeBSD 10.
>>
>> I am not against something like this being merged if the change is
>> localised to just those files, it works, and the existing drivers
>> work. If the change ripples out across the code base then it would be
>> a problem.
>
> Partial updates make it harder and harder to do a major update. I did
> this for complete subsystems like SDCard/MMC/USB, however, doing this
> for individual files is really a problem if want to update. The blocking
> point for an easy update to FreeBSD 10 or 11 are the user space command
> line programs like ifconfig and route. We need a better general approach
> to deal with user space programs.

It would be good to see if dynamic loading can be used to help here. I 
would need some time to sort through the issues but in theory we should 
be able to do this.

> We may have time to do an update later this year.

This would be good.

Chris