NAME

     mlx5en — Mellanox ConnectX-4 and ConnectX-4 LX based 100Gb, 50Gb, 40Gb, 25Gb and 10Gb
     Ethernet adapter driver

SYNOPSIS

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

           options COMPAT_LINUXKPI
           device mlx5
           device mlx5en

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

           kldload mlx5en

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

           mlx5en_load="YES"

DESCRIPTION

     The mlx5en driver provides support for PCI Express Ethernet adapters based on ConnectX-4 and
     ConnectX-4 LX.  The driver supports Jumbo Frames, Transmit/Receive checksum offload, TCP
     segmentation offload (TSO), Large Receive Offload (LRO), HW Large Receive Offload (HW LRO),
     VLAN tag insertion/extraction, VLAN checksum offload, VLAN TSO, and Receive Side Steering
     (RSS).
     The network interface is named mce.
     For further hardware information and questions related to hardware requirements, see
     http://www.mellanox.com/.

     For more information on configuring this device, see ifconfig(8).

HARDWARE

     The mlx5en driver supports 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapters.  ConnectX-4
     supports:10/20/25/40/50/56/100Gb/s speeds.  ConnectX-4 LX supports:10/25/40/50Gb/s speeds
     (and reduced power consumption) :

     •   Mellanox MCX455A-ECAT
     •   Mellanox MCX456A-ECAT
     •   Mellanox MCX415A-CCAT
     •   Mellanox MCX416A-CCAT
     •   Mellanox MCX455A-FCAT
     •   Mellanox MCX456A-FCAT
     •   Mellanox MCX415A-BCAT
     •   Mellanox MCX416A-BCAT
     •   Mellanox MCX4131A-GCAT
     •   Mellanox MCX4131A-BCAT
     •   Mellanox MCX4121A-ACAT
     •   Mellanox MCX4111A-ACAT
     •   Mellanox MCX4121A-XCAT
     •   Mellanox MCX4111A-XCAT

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 with a supported adapter, email all the specific
     information related to the issue to ⟨freebsd-drivers@mellanox.com⟩.

SEE ALSO

     ifconfig(8)

HISTORY

     The mlx5en device driver first appeared in FreeBSD 11.0.

AUTHORS

     The mlx5en driver was written by Mellanox Technologies <freebsd-drivers@mellanox.com>.