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MLX5EN(4) Device Drivers Manual MLX5EN(4)

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

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"

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).

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) :

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>.

ifconfig(8)

The mlx5en device driver first appeared in FreeBSD 11.0.

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

December 3, 2015 FreeBSD-11.2