[ofa-general] recv with rdma immediate completion questions

[Roland Dreier]

 > Why is there a work completion opcode IB_WC_RECV_RDMA_WITH_IMM -and- a
 > work completion flag IB_WC_WITH_IMM indicating the immediate data is
 > present in the WC?

Off the top of my head ... because RDMA operations usually generate no
completion on the target side, so you need some opcode for when one
comes in with immediate data.

I'd have to check what the IB verbs spec says about this case (obviously
iWARP doesn't have to worry about immediate data)