[openib-general] mthca and DDR not hidden

[Roland Dreier]

    Hal> Yup. He's already got a way to get the PD. Rather than the
    Hal> MR, I think just adding the lkey to the mad_agent structure
    Hal> will suffice. Do you agree ?

I guess so... it seems a little odd to make the consumer copy the
L_Key from one place to another without knowing anything about the MR.
I guess overloading the ib_send_wr struct the way we are forces these
layering violations though.

 - R.