[openib-general] DAPL for openib

[Roland Dreier]

    Sean> I thought that we were pretty much in agreement with the API
    Sean> as defined in ib_mad.h.  There are some MAD related issues
    Sean> in trunk/contrib/intel/TODO, however.  We decided to defer
    Sean> some of the QP redirection issues on the client side, but
    Sean> that may or may not affect the API.
 
That seems OK to me.  Is anyone working on implementing the API?

    Sean> We need to discuss how to route MADs to the SMA.  Are you
    Sean> suggesting that the SMA would register for MADs the same as
    Sean> any other client?  My plan was to extend the ib_mad_reg_req
    Sean> structure as needed.  I limited it to version, class, method
    Sean> currently, since it easily allows O(1) routing.  We could
    Sean> add in AttributeID and AttributeModifier if those are
    Sean> needed.

I don't know how the SMA should be handled.  In the Topspin drivers
it's a bit of a special case -- it gets to see all MADs before any
other consumers.  We could do the same, or have the SMA register.

 - R.