[ofw] udapl for windows

Tzachi Dar tzachid at mellanox.co.il
Tue Dec 11 15:02:00 PST 2007


See bellow.

Thanks
Tzachi 

> -----Original Message-----
> From: Sean Hefty [mailto:sean.hefty at intel.com] 
> Sent: Tuesday, December 11, 2007 11:27 PM
> To: Tzachi Dar; Fab Tillier; Davis, Arlin R; Gabor Forgacs; 
> ofw at lists.openfabrics.org
> Subject: RE: [ofw] udapl for windows
> 
> >What is being done is that IPOIB looks at all the ARP replies and 
> >updates it's tables accordingly. So, IPOIB does know where 
> the remote 
> >addresses are if windows knows them.
> 
> This should work if ARP was actually used for the address 
> translation.  Does Windows support manual updates to the route tables?

Windows does support it manually, and I guess that if one will add an
ARP entry manually, than IPOIB won't work, and so all that depends on
it.
We never saw this problem in real life.
 
> >Please note that all the caching issues are minor to my 
> understanding 
> >as each component can hold it's own cache of the arp/ATS results and 
> >get the results very quickly.
> 
> This ends up implementing multiple caches, each with their 
> own policy.  IMO, it would be easier for a user to control 
> caching policy in one place.
No arguing about it, simply we didn't find a documented way to get that
information.
One can continue the lookup.


> - Sean
> 



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