CX-6 HW RX ring buffer quesions

Infrastructure & Networking Software And Drivers SoC And SmartNIC
1

Hi Nvidia,
If packets receive into connectedX-6 card and HW rx ring buffer is full. Is there a function to tx without packet drop as following illustration?
image

Thanks,
Jeremy

2

Hi Jeremy,

Thanks you for contacting us.
To reach the goal of what you have described you will have to setup a Lossless ROCE configuration.
To do so please review the document attached:
https://enterprise-support.nvidia.com/s/article/lossless-roce-configuration-for-linux-drivers-in-dscp-based-qos-mode

This should give you all the information needed to setup the Lossless configuration.
Should you encounter any challenges or have further queries, please don’t hesitate to reach out. If necessary, you are always welcomed to open a support ticket with us for more personalized assistance.

Thanks,
Ilan.