[ofa-general] Re: [PATCH 3/7 V2] osm: QoS policy C & H files

[Hal Rosenstock]

On 8/28/07, Michael S. Tsirkin <mst at dev.mellanox.co.il> wrote:
> > >
> > > > > Also, there was a previous question on the list on IPoIB
> > > > > CM relative
> > > > > to QoS which I either missed the answer to or was left unanswered:
> > > > > How is IPoIB CM dealt with in terms of QoS ? Is it like IPoIB UD ?
> > > > IPoIB CM uses a specific ServiceID.
> > >
> > > Isn't it a range of Service IDs ?
>
> Yes. Service ID includes the UD QPN.

Given the limited predictability of the QPN, this would need to be
reflected in the QoS policy when specifying ServiceIDs for IPoIB CM.

> > > > It uses CMA so it does not need any change...
> > >
> > > Doesn't it use CM rather than CMA ?
>
> Yes.
>
> > For more detailed info need to ask MST...
>
> It's all in the spec, really.

but I don't think that includes how it relates to QoS and specifically
the QoS policy being used by OpenSM. My point was that the original
defining document for OpenSM QoS policy needs to be updated as I
suspect it will be a source document going forward that should be
placed in the management git tree.

-- Hal

> --
> MST
>