[openib-general] RE: QoS RFC

[Hal Rosenstock]

On Tue, 2006-05-30 at 11:06, Eitan Zahavi wrote:
> > -----Original Message-----
> > From: Hal Rosenstock [mailto:halr at voltaire.com]
> > Sent: Tuesday, May 30, 2006 5:50 PM
> > To: Eitan Zahavi
> > Cc: Roland Dreier; openib-general at openib.org; Nimrod Gindi; Aviram
> Gutman;
> > Sasha Khapyorsky; sean.hefty at intel.com; Vu Pham; Roland Dreier
> > Subject: RE: QoS RFC
> > 
> > On Tue, 2006-05-30 at 10:51, Eitan Zahavi wrote:
> > > Hi Roland,
> > > >
> > > > This is OK but it's sort of a pain to have to query SA
> ClassPortInfo
> > > > all the time.  Do you have a plan for how to make this transparent
> to
> > > ULPs?
> > > [EZ] Well, a ULP that uses CMA will have it handled by CMA...
> > > But an old SM implementation that does not support this kind of
> > > PathRecord extension will probably choke on the new fields once
> their
> > > component mask bits are set.
> > 
> > What do you mean by "choke" ? Wouldn't the new components just be
> > ignored ?
> [EZ] By choke I mean - the SA might decide to error the request on
> invalid parameter.

Sure and that should be handled by the end node. Depending on what
component has control over the request, a non QoS request could be
remade if appropriate.

-- Hal

> > 
> > > You could however query once for each Client-Reregister event.
> > > >
> > > > (BTW something in your email client is really messing up the
> > > > formatting of your message)
> > > [EZ] Thanks I will resend .
> > > >
> > > >  - R.
> > 
>