Re: [PATCH 2/2] IB/mad: Return unsupported for MADs as appropriate

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On Wed, Jan 18, 2012 at 07:30:03PM +0000, Hefty, Sean wrote:

> > I feel if the base version is not supported then a GetResp should be
> > returned without a memcpy. The base version set to the highest
> > supported value and the TID copied over from the reply but everything
> > else 0'd. This allows base version discovery which might be important
> > some day.
> If the BaseVersion isn't supported, then I don't know that the code
> should assume anything about the rest of the MAD format, including
> the location or size of any other fields.  If we at least know that
> BaseVersion = 1, then we should be safe checking for common methods.
> If BaseVersion > 1, then maybe we're better off just dropping the
> MAD still.

Yes, that is why the compliance statement is sort of short sighted..
The flowchart makes more sense.

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