RDMA_Connect issue on Windows

[Max Gurtovoy]

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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