Data link layer in PCIE

[Venky_26]

Hello fellow engineers,

I am trying to find an equation to perform lcrc operation in data link layer of PCIE protocol both 16 bits and 32 bits Please help me find it or Suggest any source to get  insights in Data link layer of PCIE.

The equation I am trying to find is described in circuit form in attached pic.

Thanks in advance...

[Wincent_Altera]

Hi ,

Can I know which FPGA device that you are referring at ?

also can I know which document the picture that you sent is coming from ? or from which device/IP user guide ?

Appreciate if you can clarified to ensure that we are looking at the same picture.

Looking forward to hear back from you.

Regards,

Wincent_Intel

[Wincent_Altera]

Hi,

I wish to follow up with you about this forum.
Hoping to hear back from you so that we can proceed for next step.

Regards,
Wincent_Intel

[Venky_26]

Hi,

I am working in a startup frontend design based company. We are working on building PCIE IP from scratch.

The snap I shared is from PCIE spec.

Regards,
Venky

[Wincent_Altera]

Hi,

1. May I know which FPGA device that you are using ? 
   Cyclone V , Arria 10 , Stratix 10 or Agilex 7 ? 
2. Can you please share the link of the document from where you downloaded it with me?

The confirmation is to ensure that we are looking at the same picture
Looking forward to hear back from you.

Regards,
Wincent_Intel

[Wincent_Altera]

Hi,

I wish to follow up with you about this IPS case.

Hoping to hear back from you so that we can proceed for next step.

Regards,

Wincent_Altera

[Wincent_Altera]

Hi,

I wish to follow up with you about this case.

Do you have any further questions on this matter ?

​​​​​​​Else I would like to have your permission to close this forum ticket. Nevertheless, you can still response to the forum and I will be available to assist you.

Regards,

Wincent_Intel

p/s: If any answer from the community or Intel Support is helpful, please feel free to give the best answer or rate 9/10 survey.

[Wincent_Altera]

Hi

As we do not receive any response from you on the previous question/reply/answer that we have provided. Please login to ‘https://supporttickets.intel.com’, view details of the desire request, and post a feed/response within the next 15 days to allow me to continue to support you.

After 15 days, this thread will be transitioned to community support.

The community users will be able to help you on your follow-up questions.

If your support experience falls below a 9 out of 10, I kindly request the opportunity to rectify it before concluding our interaction. If the issue cannot be resolved, please inform me via this forum page  of the cause so that I can learn from it and strive to enhance the quality of future service experiences.

Rest assured, even after the ticket is closed, we will continue to keep you informed of any developments until the issue is resolved..

We appreciate your understanding and we are committed to assisting you with any further questions.

Wincent_Intel

p/s: If any answer from the community or Intel Support is helpful, please feel free to give the best answer or rate 9/10 survey.