MCX(4) Device Drivers Manual MCX(4)

mcxMellanox 5th generation Ethernet device

mcx* at pci?

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

arp(4), ifmedia(4), intro(4), netintro(4), pci(4), hostname.if(5), ifconfig(8)

The mcx driver first appeared in OpenBSD 6.6.

The mcx driver was written by Jonathan Matthew <> and
David Gwynne <>.

September 7, 2023 OpenBSD 7.5