Re: [RTnet-developers] multicast support

[Amine El h. <am...@an...>]

Linux use timer in muticast to excute periodically a function to keep session 
between switch & computer whitch need multicast flux , so it use one timer by 
multicast connection(IGMP protocol). this work not need a real time 
behaviurs, so why I have asked about using the same timer in RTNET framework. 
I can use  real periodic task but I don't need real time behaviors in this 
case, may be  rt task with low priority.

Amine
> Amine El hedadi wrote:
> > Hi
> > It is possible to use Linux timer in RTNET framework?
> > Linux use them for multicast support.
>
> Generally not - as long as not just device setup, reconfiguration, or
> shutdown is involved. You would have to use equivalent RTAI features.
>
> What are these timers precisely used for? Right now, I cannot imaging
> what kind multicast related job needs timing. Shouldn't it "just" be
> programming some additional MAC addresses (or address hash values) the
> card shall listen to? Or are those timers required for higher layers?
>
> Jan
>
>
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