[Suspected-Phishing]Re: RDMA_Connect issue on Windows

[muthu crazy]

Dear Robert,

Could you please guide me what has to be passed as part of NDKConnect,
I tried with RequestPrivateData structure. but it didn't work out.
Since MSDN was not clear, I was unable to proceed further.

Please help me out.

Thanks Inadvance,
Muthu

On 21 June 2017 at 16:08, Max Gurtovoy <maxg at mellanox.com> wrote:
>
>
> On 6/21/2017 1:33 PM, Max Gurtovoy wrote:
>>
>>
>>
>> On 6/21/2017 3:56 AM, muthu crazy wrote:
>>>
>>> Thanks for the reply,
>>>
>>> I was trying to see the packets in Wireshark(2.2.6) during
>>> rdma_connect but I was getting only ARP packets. Do I need to add any
>>> plugin for Wireshark? Or any protocol preference has to be added in
>>> settings?
>>>
>>> -Muthu
>>
>>
>>
>> please use this link:
>
>
>  https://www.wireshark.org/download.html
>
>>
>> and download the latest development release.
>> make sure your listener port is 4420.
>>
>> -Max.
>>
>>>
>>> On 20 June 2017 at 12:50, Max Gurtovoy <maxg at mellanox.com> wrote:
>>>>
>>>> I would also try to parse it with Wireshark and compare all the needed
>>>> fields and sizes.
>>>> We are adding more and more nvmf command parsing to the disector but
>>>> you're
>>>> in earliar stage of RDMA connection establisment.
>>>>
>>>>
>>>> On 6/20/2017 9:34 AM, Sagi Grimberg wrote:
>>>>>
>>>>>
>>>>> CC'ing Robert who has experience with Windows <-> Linux
>>>>> interop...
>>>>>
>>>>> On 19/06/17 20:58, muthu crazy wrote:
>>>>>>
>>>>>>
>>>>>> Dear All,
>>>>>>
>>>>>> I am trying to make a fabrics setup using Chelsio RNIC where Windows
>>>>>> is the Client PC, and Linux is the target PC. From Windows Client
>>>>>> driver, I am invoking NDKConnect API(It will internally call
>>>>>> RMDA_Connect) and passing below structures as a parameter to it.
>>>>>>
>>>>>> struct RDMA_CONN_PARAM
>>>>>> {
>>>>>> RDMA_CM_REQUEST private_data;
>>>>>> private_data_len = sizeof(RDMA_CM_REQUEST)
>>>>>> responder_resources = 0x20
>>>>>> initiator_depth = 0
>>>>>> flow_control=1
>>>>>> retry_count=7
>>>>>> RNR_Retry_count = 7
>>>>>> SRQ = 0
>>>>>> QP_num = 0x400
>>>>>> }
>>>>>>
>>>>>> struct RDMA_CM_REQUEST
>>>>>> {
>>>>>> Recfmt = 0
>>>>>> Qid = 0
>>>>>> Hrqsize = 0x20
>>>>>> Hsqsize = 0x20
>>>>>> Reserved[8:31] = 0;
>>>>>> }
>>>>>>
>>>>>> but on target side, I could see some junk value along with my actual
>>>>>> data received.(Linux Kernel:4.9.8)
>>>>>>
>>>>>> like below:
>>>>>>
>>>>>> 0xFFFFFFE0, 0xFFFFFFB0, 0x23, 0x6, 0x0, 0xFFFFFFE0, 0xFFFFFFFF
>>>>>> 0x20,0x20,0x0,0x1,0x7,0x7,0x0,0x0,0x0,0x4
>>>>>>
>>>>>> Has anybody observed this before? Please help me out.
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>> --Muthu
>>>>>>
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