Re: [Xenomai-core] [RFC 0/1] Class driver for raw Ethernet packets

[Jan Kiszka <jan.kiszka@domain.hid>]

On 2011-09-28 10:16, Richard Cochran wrote:
> On Tue, Sep 27, 2011 at 07:25:07PM +0200, Jan Kiszka wrote:
>>
>> It manages buffers for you, provides NIC drivers and interfaces to
>> either build the higher protocol layers in the kernel or in user space.
>> That's the mission, but I would not exclude that there is room for
>> improvements (lacking safe copy-to/from user, unneeded RX thread for
>> single-user scenarios and possibly more). Still, the Ethercat master
>> library folks chose it back then as a platform, maybe you want to ask them.
> 
> Getting a little off topic, I wonder, who are these "Ethercat folks" of
> whom you speak?
> 
> I do know of a few open source implementations, but none are based
> Xenomai:
> 
> * IgH etherlab
>   This is a complete stack in the kernel. Although they claim it works
>   with Xenomai, in fact it does not, since it uses regular kernel spin
>   locks, etc. However, it could be adapted to work with Xenomai.
> * SOEM
>   This is a user space (really simple) stack based on normal raw
>   sockets. It could also be adapted to use Xenomai, by adding some
>   sort of raw RT socket.
> * OSADL
>   This was withdrawn because of license concerns. I never saw the
>   code, but I do beleive it was a user space solution using standard
>   sockets.
> * Another?
>   There once was some C++ program from some institute in the
>   Netherlands (or Belgium? can't remember), but it was also withdrawn.
> 
> So, did you mean any of these, or yet another implementation?

I meat the first hit for "ethercat master library" in a search engine. See

http://ethercatmaster.berlios.de/
http://www.fmtc.be/downloads/15_FMTC%20open%20sources.pdf

or ask Peter or Klaas (peter@domain.hid, klaas.gadeyne@domain.hid -
not sure if Klaas is still with fmtc).

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux