[ofw] udapl for windows

[Tzachi Dar]

Is there any reason why the windows implementation will not use Arp for
the
IP -> GID mapping?

This code looks trivial.

Thanks
Tzachi 

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Sean Hefty
> Sent: Monday, December 10, 2007 8:48 PM
> To: Davis, Arlin R; 'Gabor Forgacs'; ofw at lists.openfabrics.org
> Subject: RE: [ofw] udapl for windows
> 
> >Well, without rdma_cm in WinOF I have few options. Does 
> someone wish to 
> >commit to rdma_cm in WinOF by next release? Are you volunteering?
> 
> This is a question of how much proprietary protocol uDAPL 
> needs to define.
> 
> The RDMA CM provides IP -> GID mapping, path record lookup, 
> and connection establishment.  There's not a strict 
> requirement on how the IP -> GID mapping is obtained.  Linux 
> uses ARP, but Windows could config files, ATS, or exchange 
> that data using a service running over sockets.  (I've been 
> thinking about the latter as a solution to working across IB 
> routers.)  uDAPL could use the same PR lookup and IB CM 
> mechanisms that it uses today.  The only requirement is that 
> the private data and SID should match a specific format.



> I don't know if the Windows IB CM allows matching connections 
> based on private data content or operates only on the SID, so 
> there may be different restrictions between Linux and Windows 
> trying to simulate listening on specific IP addresses.
> 
> - Sean
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