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NAME
       mlx5en  —  Mellanox  ConnectX-4,  ConnectX-4  LX  and  ConnectX-5  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
             options RATELIMIT
             device xz
             device mlxfw
             device firmware
             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,  ConnectX-4  LX
       and  ConnectX-5.   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, hardware rate limiting (TXRTLMT) 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-5
       supports:10/20/25/40/50/56/100Gb/s   speeds.    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>.

Debian                                             May 8, 2019                                         MLX5EN(4)