[openib-general] Should I use umad -or- osm

[shaharf]

Hi Philip,

	I am currently implementing umad access library. It much simpler
then the osm_vendor api. I would recommend using umad library and not
osm. As a matter of fact the current osm vendor layer does not support
openib gen2. I am working on that either. Both the umad access library
and the new osm vendor layer that uses it are not finished yet. I guess
that I will need at least another week to reach a point where I can
release it. Even then it will change a lot until I will be finished with
it.
The question is can you wait a little? I can give you a preliminary
version - but if you will use it you will have to modify your code
several each time the library interface is changed.
On the other hand, I would like to understand exactly what you need,
because you are the first "client" of the user mode stuff beside me.

Shahar 

> -----Original Message-----
> From: openib-general-bounces at openib.org [mailto:openib-general-
> bounces at openib.org] On Behalf Of Philip Mucci
> Sent: Thursday, December 09, 2004 3:25 PM
> To: openib-general at openib.org
> Subject: [openib-general] Should I use umad -or- osm
> 
> Hi folks,
> 
> I've been tasked with developing a rough performance tool for IB
> networks. I've scanned the documentation and looks like the kind of
data
> we're interested in can be obtained from the Mellanox ASICs.
> 
> My question is a simple one:
> 
> I've got to send/recv mads to enable and obtain the performance
counters
> from a user space tool...ideally non-root, but we'll work with what we
> have.
> 
> My current inclination has been to use the osm_vendor_api.h functions
to
> do this work. However, the late work here done by Hal on the UMAD
access
> layer seems to be appropriate as well.
> 
> Could someone elaborate on what you think the best (and most
> maintainable) approach to accomplishing this task might be?
> 
> Regards,
> 
> Philip
> 
> 
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