[ofa-general] RDMA write with immediate data.
Jie Cai
Jie.Cai at cs.anu.edu.au
Sun Feb 22 20:46:30 PST 2009
Davis, Arlin R wrote:
>
>
>>> Do you have receive's posted at the remote side for immed data?
>>>
>>>
>> Nope, the remote side didn't got an event, (dat_evd_wait timed out).
>> The way to find out the immed data is to check the out going
>> parameter &event of dat_evd_wait function.
>>
>
> I don't understand your answer. Do you have a receive buffer pre-posted
> on the EP to receive the inbound immediate data? Just waiting on the
> event in not enough. For immediate data you don't need a buffer associated
> with the work request but you do need the work request posted for each
> inbound rdma_write with immed that is expected.
>
This does help. I forgot to pre-post receive for the immediate data.
> -arlin
>
>
>
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