[openib-general] Re: libibverbs and max inline data

[James Lentini]

On Sun, 22 May 2005, Roland Dreier wrote:

>    Michael> Hi!  I tried to figure out how much inline data a qp can
>    Michael> support, to know what max_inline_data value to put in the
>    Michael> qp.  However, there doesnt seem to exist a way to do
>    Michael> that, currently.
>
> I think you're right.
>
>    Michael> Maybe the driver should be changed to trim
>    Michael> max_inline_data to the maximum possible value?
>
> Yes, that would probably make sense.  In a sense that's what the
> kernel driver already does -- it always clips the max_inline_data
> request from the consumer down to 0.

ib[v]_create_qp should return an error when an unsupported inline data 
size is requested.

> Independent of that we could add a field to the device properties
> struct (and implement ibv_query_device() for userspace).
>
> - R.
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