[ofa-general] Re: [PATCH v2] osm: QoS - adding simplified syntax for policy definition

Sasha Khapyorsky sashak at voltaire.com
Mon Nov 19 08:10:14 PST 2007


Hi Yevgeny,

On 15:04 Mon 19 Nov     , Yevgeny Kliteynik wrote:
> This patch adds simplified syntax for QoS definition in QoS Policy file.
> Using this syntax the administrator is able to define QoS policy per
> ULP and/or per Service ID and/or per partition (pkey).
> 
> Here's an example of the policy file with the new syntax, which is added
> in a new section called qos-policy:
> 
> qos-ulps
>      sdp, port-num 30000                   : 1 #SL for SDP when destination port is 30000
>      sdp, port-num 10000-20000, 0xfffd     : 2
>      sdp                                   : 0 #default SL for SDP
>      srp, target-port-guid 0x1234-0x1235   : 2
>      iser, port-num 0x3234-0x3235          : 4 #SL for iSER whith specific target ports
>      iser                                  : 5 #default SL for iSER
>      rds, port-num 25000                   : 2 #SL for RDS when destination port is 25000
>      rds                                   : 0 #default SL for RDS
>      ipoib, pkey 0x0001                    : 5 #SL for IPoIB on partition with pkey 0x0001
>      ipoib                                 : 6 #default IPoIB partition - pkey=0x7FFF
>      any, pkey 0x0ABC                      : 3
>      any, pkey 0x0ABD-0x0ABF,0x0BBD-0x0BBA : 4
>      any, service-id 0x6234                : 2
>      any, target-port-guid 0x2234-0xF235   : 2
>      default                               : 0 #default SL
> end-qos-ulps
> 
> Since any section of the policy file is optional as long as basic rules
> of the file are kept, the above example can serve as a complete QoS
> policy file - short and clear.

I think it could be good idea to add to opensm/doc|man some paper which
describes QoS setup in details.

Sasha



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