[openib-general] [PATCH] IPoIB CM Experimental support

Michael S. Tsirkin mst at mellanox.co.il
Fri Dec 8 03:09:30 PST 2006


>  > I know. Still, this only happens if you enable CM. Maybe it will help
>  > to mention this in the comment in KConfig? Log a message as well?
> 
> Logging a message might help a tiny bit.  But the Kconfig help text is
> useless -- most naive users will be running distro kernels or OFED,
> which I assume will enable CM by default.
> 
>  > I have a notion that once this code is upstream we can work on
>  > ways to teach kernel about net devices where MTU changes dynamically.
>  > Or possibly, some tricks with icmp can make it work.
> 
> I think it would be better to use ethtool or something similar to
> explicitly enable CM.  At least until there's a way to make multicast
> work on an interface using CM.

Thanks for the suggestion, I'll look into that.

-- 
MST




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