Re: [RTnet-developers] Ethernet IP

[Glen W. <gl...@je...>]

One other thing Ethernet ip does is implement ethernet QoS which make it's packets have higher priority. 

This only works when going through level 3 switches and cards.

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Glen Wernersbach
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On Sep 28, 2010, at 4:39 PM, Jan Kiszka <jan...@we...> wrote:

> Am 28.09.2010 16:22, Glen Wernersbach wrote:
>> Hi Guys,
>> 
>> Woule you see any reason while we could not the open source Ethernet IP
>> project on top of RTNet?
>> 
>> Basically this builds on Linux stack but I want to run my stuff inside of it
>> real time. For that I need a real time driver for the ethenet that emulates
>> linux.
>> 
>> Ethernet IP project:
>> https://sourceforge.net/projects/opener/
> 
> I cannot asses what you could gain this way (do Ethernet IP devices
> provide real-time qualities via UDP/TCP?), but porting that stack over
> RTnet's UDP/TCP services should be feasible. The portability layer of
> opener looks rather thin and should be well covered by Xenomai's POSIX
> skin. However, our TCP implementation is still fresh, so you /may/ run
> into some of it current limitations. If you find such quirks, please let
> us know.
> 
> Jan
>