All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
$FreeBSD: stable/11/share/man/man4/mlx5en.4 347838 2019-05-16 17:48:36Z hselasky $
.Dd May 8, 2019 .Dt MLX5EN 4 .Os .Sh NAME .Nm mlx5en .Nd "Mellanox ConnectX-4 and ConnectX-4 LX based 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapter driver" .Sh SYNOPSIS To compile this driver into the kernel, place the following lines in your kernel configuration file: d -ragged -offset indent .Cd "options COMPAT_LINUXKPI" .Cd "device xz" .Cd "device mlxfw" .Cd "device firmware" .Cd "device mlx5" .Cd "device mlx5en" .Ed
p To load the driver as a module at run-time, run the following command as root: d -literal -offset indent kldload mlx5en .Ed
p To load the driver as a module at boot time, place the following lines in .Xr loader.conf 5 : d -literal -offset indent mlx5en_load="YES" .Ed .Sh DESCRIPTION The .Nm 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
a http://www.mellanox.com/ .
p For more information on configuring this device, see .Xr ifconfig 8 . .Sh HARDWARE The .Nm 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) :
p l -bullet -compact t Mellanox MCX455A-ECAT t Mellanox MCX456A-ECAT t Mellanox MCX415A-CCAT t Mellanox MCX416A-CCAT t Mellanox MCX455A-FCAT t Mellanox MCX456A-FCAT t Mellanox MCX415A-BCAT t Mellanox MCX416A-BCAT t Mellanox MCX4131A-GCAT t Mellanox MCX4131A-BCAT t Mellanox MCX4121A-ACAT t Mellanox MCX4111A-ACAT t Mellanox MCX4121A-XCAT t Mellanox MCX4111A-XCAT .El .Sh SUPPORT For general information and support, go to the Mellanox support website at:
a http://www.mellanox.com/ .
p If an issue is identified with this driver with a supported adapter, email all the specific information related to the issue to .Aq Mt freebsd-drivers@mellanox.com . .Sh SEE ALSO .Xr ifconfig 8 .Sh HISTORY The .Nm device driver first appeared in .Fx 11.0 . .Sh AUTHORS .An -nosplit The .Nm driver was written by .An Mellanox Technologies <freebsd-drivers@mellanox.com> .