1.\" Copyright (c) 2015 Mellanox Technologies 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd November 22, 2015 28.Dt mlx5en 4 29.Os 30.Sh NAME 31.Nm mlx5en 32.Nd "Mellanox ConnectX-4 and ConnectX-4 LX based 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapter driver" 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your 36kernel configuration file: 37.Bd -ragged -offset indent 38.Cd "options COMPAT_LINUXKPI" 39.Cd "device mlx5" 40.Cd "device mlx5en" 41.Ed 42.Pp 43To load the driver as a 44module at boot time, place the following lines in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47mlx5en_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides support for PCI Express Ethernet adapters based on 53ConnectX-4 and ConnectX-4 LX. 54The driver supports Jumbo Frames, Transmit/Receive checksum offload, 55TCP segmentation offload (TSO), Large Receive Offload (LRO), 56HW Large Receive Offload (HW LRO), VLAN tag insertion/extraction, 57VLAN checksum offload, VLAN TSO, and Receive Side Steering (RSS). 58.br 59The network interface is named mce. 60.br 61For further hardware information and questions related to hardware 62requirements, see 63.Pa http://www.mellanox.com/ . 64.Pp 65For more information on configuring this device, see 66.Xr ifconfig 8 . 67.Sh HARDWARE 68The 69.Nm 70driver supports 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapters. 71ConnectX-4 supports:10/20/25/40/50/56/100Gb/s speeds. 72ConnectX-4 LX supports:10/25/40/50Gb/s speeds (and reduced power consumption) : 73.Pp 74.Bl -bullet -compact 75.It 76Mellanox MCX455A-ECAT 77.It 78Mellanox MCX456A-ECAT 79.It 80Mellanox MCX415A-CCAT 81.It 82Mellanox MCX416A-CCAT 83.It 84Mellanox MCX455A-FCAT 85.It 86Mellanox MCX456A-FCAT 87.It 88Mellanox MCX415A-BCAT 89.It 90Mellanox MCX416A-BCAT 91.It 92Mellanox MCX4131A-GCAT 93.It 94Mellanox MCX4131A-BCAT 95.It 96Mellanox MCX4121A-ACAT 97.It 98Mellanox MCX4111A-ACAT 99.It 100Mellanox MCX4121A-XCAT 101.It 102Mellanox MCX4111A-XCAT 103.El 104.Sh SUPPORT 105For general information and support, 106go to the Mellanox support website at: 107.Pa http://www.mellanox.com/ . 108.Pp 109If an issue is identified with this driver with a supported adapter, 110email all the specific information related to the issue to 111.Aq Mt freebsd-drivers@mellanox.com . 112.Sh SEE ALSO 113.Xr ifconfig 8 114.Sh HISTORY 115The 116.Nm 117device driver first appeared in 118.Fx 11.0 . 119.Sh AUTHORS 120.An -nosplit 121The 122.Nm 123driver was written by 124.An Mellanox Technologies <freebsd-drivers@mellanox.com> . 125