Re: RDMA (smbdirect) testing

[Tom Talpey <tom@talpey.com>]

SoftROCE is a bit of a hot mess in upstream right now. It's
getting a lot of attention, but it's still pretty shaky.
If you're testing, I'd STRONGLY recommend SoftiWARP.

Tom.

On 5/20/2022 2:01 AM, Hyunchul Lee wrote:
> Hello Steve,
> 
> Please refer to the page below to configure soft-ROCE:
> https://support.mellanox.com/s/article/howto-configure-soft-roce
> 
> These kernel configs have to be turned on:
> CONFIG_CIFS_SMB_DIRECT
> CONFIG_SMB_SERVER
> CONFIG_SMB_SERVER_SMBDIRECT
> 
> And you can mount cifs with SMB-direct:
> mount -t cifs -o rdma,... //<IP address of ethernet interface coupled
> with soft-ROCE>/<share> ...
> 
> 
> 2022년 5월 20일 (금) 오전 8:06, Namjae Jeon <linkinjeon@kernel.org>님이 작성:
>>
>> 2022-05-20 5:41 GMT+09:00, Steve French <smfrench@gmail.com>:
>> Hi Steve,
>>> Namjae and Hyeoncheol,
>>> Have you had any luck setting up virtual RDMA devices for testing ksmbd
>>> RDMA?
>> You seem to be asking about soft-ROCE(or soft-iWARP). Hyunchul had
>> been testing RDMA
>>   of ksmbd with it before.
>> Hyunchul, please explain how to set-up it.
>>
>> Thanks!
>>>
>>> (similar to "/usr/sbin/rdma link add siw0 type siw netdev etho" then
>>> mount with "rdma" mount option)
>>>
>>>
>>>
>>> --
>>> Thanks,
>>>
>>> Steve
>>>
> 
> 
>