Re: [PATCH rdma-next v1 4/6] IB/mlx5: Handle type IB_QPT_DRIVER when creating a QP

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On 12/31/2017 2:37 PM, Or Gerlitz wrote:
It doesn't make sense to overwrite the input QP type (i.e. IB_QPT_DRIVER)
which was supplied by the core layer to some internal sub-type.

why?

A driver code doesn't expect to change an input IB core property (i.e qp_type). Specifically the DC QP type does not expect to be recognized out of the mlx5 driver, for that reason a sub qp type will be used as part of V2 in the mlx5 driver code.

So what you are saying is the core logic being good for all
QP types X all drivers X all transports and only mlx5/DC needs this different
treatment? interesting, so what is the source for this misalignment?


We believe that it doesn't justify a core refactoring for that specific mask checking.
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