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Man Pages


Manual Reference Pages  -  MLX5EN (4)

NAME

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

CONTENTS

Synopsis
Description
Hardware
Support
See Also
History
Authors

SYNOPSIS

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


.Cd options COMPAT_LINUXKPI
.Cd device mlx5
.Cd 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 <Mt freebsd-drivers@mellanox.com>.

SEE ALSO

ifconfig(8)

HISTORY

The mlx5en device driver first appeared in
.Fx 11.0 .

AUTHORS


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