Re: [PATCH v4 10/27] IB/Verbs: Reform cm related part in IB-core cma/ucm

From: Michael Wang
Date: Thu Apr 16 2015 - 11:22:53 EST




On 04/16/2015 04:31 PM, Hefty, Sean wrote:
>>> This is equivalent to today where the checks are per node rather than
>>> per port.
>>>
>>> Should all checks here be port 1 based or only certain ones like listen
>>> ? For example, in connect/reject/disconnect, don't we already have port
>>> ? Guess this can be dealt with later as this is not a regression from
>>> the current implementation.
>>
>> Yeah, these parts of cma may need more carve in future, like some new
>> callback
>> for different CM type as Sean suggested.
>>
>> Maybe directly using 1 could help to highlight the problem ;-)
>
> Only a few checks need to be per device. I think I pointed those out previously. Testing should show anywhere that we miss fairly quickly, since port would still be 0. For the checks that can be updated to be per port, I would rather go ahead and convert them.

Got it, will be changed in next version :-)

To be confirmed:
PORT ASSIGNED
rdma_init_qp_attr Y
rdma_destroy_id unknown
cma_listen_on_dev N
cma_bind_loopback N
rdma_listen N
rdma_connect Y
rdma_accept Y
rdma_reject Y
rdma_disconnect Y
ib_ucm_add_one N

Is this list correct?

Regards,
Michael Wang

>
> - Sean
>
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