mcx(4)

mcx4

Mellanox 5th generation ethernet device

Usage

mcx* at pci?

Overview

The mcx driver supports Mellanox 5th generation Ethernet devices. Chipsets and cards in this group include:

  • ConnectX-4 Lx EN

  • ConnectX-4 EN

  • ConnectX-5 EN

  • ConnectX-6 EN

  • ConnectX-6 Dx EN

  • ConnectX-6 Lx EN

It supports SR-IOV virtual functions as well as physical functions.

Releases

16 releases since OpenBSD 6.6; the text changed 2 times.

  1. 6.6–7.3
  2. 7.4–7.5
  3. 7.6–8.0

History

The mcx driver first appeared in OpenBSD 6.6.

Authors

The mcx driver was written by Jonathan Matthew ⟨[email protected]⟩ and David Gwynne ⟨[email protected]⟩.

From man 8.0-current-20261101 in OpenBSD 8.0-current (2026-11-01). Parsed by carta from the page's mdoc source.