mlx4ib(4)

mlx4ib4

Mellanox connectx-3 10gbe/40gbe network adapter driver

Usage

To compile this driver into the kernel, place these lines in your kernel configuration file:

options COMPAT_LINUXKPI device mlx4 device mlx4ib

To load the driver as a module at run-time, run this command as root:

kldload mlx4ib

To load the driver as a module at boot time, place this line in loader.conf(5):

mlx4ib_load="YES"

Overview

Mellanox ConnectX adapter cards with Virtual Protocol Interconnect (VPI) provide the highest performing and most flexible interconnect solution for Enterprise Data Centers, High-Performance Computing, and Embedded environments. Clustered data bases, parallelized applications, transactional services and high-performance embedded I/O applications will achieve significant performance improvements resulting in reduced completion time and lower cost per operation.

Hardware

The mlx4ib driver supports the following network adapters:

  • Mellanox ConnectX-2 (IB)

  • Mellanox ConnectX-3 (IB)

Support

For general information and support, go to the Mellanox support website at: http://www.mellanox.com/.

If an issue is identified with this driver and a supported network adapter, please email the specific information to ⟨[email protected]⟩.

Releases

22 releases since FreeBSD 11.3-RELEASE; the text changed 9 times.

  1. 11.3
  2. 11.4
  3. 12.0
  4. 12.1
  5. 12.2
  6. 12.3
  7. 12.4
  8. 13.0–13.2
  9. 13.3–14.5
  10. 15.0–16.0

History

The mlx4ib device driver first appeared in FreeBSD 9.0.

Authors

The mlx4ib driver was written by Mellanox Technologies <[email protected]>.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.