How to DIY the congestion control protocol for cx6

Hello, everyone!
I am looking for how to program and deploy my DIY congestion control algorithm. However, I cannot find any API to do so. Could somebody share it with me?
Many thanks!

Hello @zhu9999,

Thank you for posting your query on our community. ConnectX-6 Dx added a Programmable Congestion Control HW. We have a PCC Development Package UM that we can provide.

I would like to request you to submit a support ticket by emailing “”. Please note that an active support contract would be required for the same. For contracts information, please feel free to reach out to our contracts team at " "