InfiniBand Interface

Linux Kernel Upstream Release Notes v5.17

For information on ConnectX-3 adapter cards family port type management, please refer to " ConnectX-3/ConnectX-3 Pro Port Type Management" section.

For information on ConnectX-4 adapter cards family port type management, please refer to " ConnectX-4 and above Port Type Management/VPI Cards Configuration " section.

  • RDMA counters are available only through sysfs located under:

    • # /sys/class/infiniband/<device>/ports/*/counters/

    • # /sys/class/infiniband/<device>/ports/*/hw_counters/

For mlx4 port and RDMA counters, refer to theUnderstanding mlx4 Linux CountersCommunity post.
For mlx5 port and RDMA counters, refer to the Understanding mlx5 Linux Counters Community post.

© Copyright 2023, NVIDIA. Last updated on Oct 11, 2023.