[ofa-general] OFED QoS Support

[Hal Rosenstock]

On Tue, 2007-12-04 at 11:09 +0200, Tziporet Koren wrote:
> QoS is supported only with ConnectX HCA, and not Inifnihost III Ex HCA.
> 
> Also only from the coming FW release (2.3.0 that should be published
> soon) this feature will be enabled.

That's for Connect-X, right ? 

Does 5.2.0 support this for InfiniHost II Ex ? Is special FW config
needed there too to enable this ?

-- Hal

> Note that it will not be enabled by default and a FW configuration
> should be maid to use it
>  
> Also a good explanation on QoS can be fount in the QoS Support
> <http://www.openfabrics.org/archives/nov2007sc/OFA_QoS_07.ppt>
> presentation by Sean Hefty, Intel; Dror Goldenberg, Mellanox under:
> 
>  
> You must use OFED 1.3 to use QoS since it was not supported in OFED 1.2
> Yevgeny will be able to help you regarding OSM setup to support QoS
>  
> Tziporet
>  
> 
> ________________________________
> 
> From: general-bounces at lists.openfabrics.org
> [mailto:general-bounces at lists.openfabrics.org] On Behalf Of Mukil
> Kesavan
> Sent: Tuesday, December 04, 2007 7:08 AM
> To: general at lists.openfabrics.org
> Subject: [ofa-general] OFED QoS Support
> 
> 
> Hi,
> 
> I am a grad student at Georgia Institute of Technology working on
> Infiniband for a project. My focus is on IB QoS support. I used the OFED
> 1.2 distribution - opensm to configure the SL-VL mappings and the VLArb
> tables with the opensm.opts file in /var/cache/osm. Currently, I am
> configuring QoS as 1 high priority VL with weight 200 and disabling
> other high priority VLs. When I run the tests, there is no change in BW
> Avgs as per the QoS setting and it appears that BW is shared evenly
> among different applications during the tests.
> 
> I currently use a Mellanox MT25208 Inifnihost III Ex HCA - Firmware
> version 4.6.0. Could someone help me getting the QoS to work? There are
> not a lot of resources on the web and I've been following the email
> exchanges amongst you guys involved in development but they aren't
> conclusive to me.
> 
> Thanks for your time,
> 
> Mukil 
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