[ofa-general] Re: [PATCH 1/3] mcast loopback block

[Or Gerlitz]

On 6/2/08, Roland Dreier <rdreier at cisco.com> wrote:
>
> Do we really need to burn a capability bit for this?  Would it cause any
> problems to make IB_QP_BLOCK_LOOPBACK a hint that the underlying HCA may
> or may not support?
>

For IPoIB a hint might be enough, since the code to handle such packets is
there anyway and what this code does is simply to drop them. For other
applications, I think that their design might rely deeper on whether this
functionality is provided by their QP or not.

Or
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