[openib-general] [RFC] IB address translation using ARP

Hal Rosenstock halr at voltaire.com
Thu Sep 29 09:26:07 PDT 2005


On Thu, 2005-09-29 at 12:05, Sean Hefty wrote:
> > What happens if the destination IP address is a local one ? I think
> > there is some missing code here.
> 
> I think there's code in at.c to handle that case that could be re-used.

Yes. This is the code related to ip_dev_find which has been discussed on
the list.

> > Also, shouldn't non subnet local destination IP addresses be handled ?
> 
> How does that map to the IB subnet?

or IP subnet in the case of iWARP, right ? It's still an outgoing
interface just more than 1 IP hop away.

>   Would it require global routing,

Yes.

>  or are 
> non-subnet local addresses a valid configuration on a local IB subnet?

You need to end up ARPing for the next hop router.

-- Hal





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