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 May 29, 2018 28.Dt MLX5EN 4 29.Os 30.Sh NAME 31.Nm mlx5en 32.Nd "Mellanox ConnectX-4, ConnectX-4 LX and ConnectX-5 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 "options RATELIMIT" 40.Cd "device mlx5" 41.Cd "device mlx5en" 42.Ed 43.Pp 44To load the driver as a module at run-time, 45run the following command as root: 46.Bd -literal -offset indent 47kldload mlx5en 48.Ed 49.Pp 50To load the driver as a 51module at boot time, place the following lines in 52.Xr loader.conf 5 : 53.Bd -literal -offset indent 54mlx5en_load="YES" 55.Ed 56.Sh DESCRIPTION 57The 58.Nm 59driver provides support for PCI Express Ethernet adapters based on 60ConnectX-4, ConnectX-4 LX and ConnectX-5. 61The driver supports Jumbo Frames, Transmit/Receive checksum offload, 62TCP segmentation offload (TSO), Large Receive Offload (LRO), 63HW Large Receive Offload (HW LRO), VLAN tag insertion/extraction, 64VLAN checksum offload, VLAN TSO, hardware rate limiting (TXRTLMT) 65and Receive Side Steering (RSS). 66.br 67The network interface is named mce. 68.br 69For further hardware information and questions related to hardware 70requirements, see 71.Pa http://www.mellanox.com/ . 72.Pp 73For more information on configuring this device, see 74.Xr ifconfig 8 . 75.Sh HARDWARE 76The 77.Nm 78driver supports 100Gb, 50Gb, 40Gb, 25Gb and 10Gb Ethernet adapters. 79ConnectX-5 supports:10/20/25/40/50/56/100Gb/s speeds. 80ConnectX-4 supports:10/20/25/40/50/56/100Gb/s speeds. 81ConnectX-4 LX supports:10/25/40/50Gb/s speeds (and reduced power consumption) : 82.Pp 83.Bl -bullet -compact 84.It 85Mellanox MCX455A-ECAT 86.It 87Mellanox MCX456A-ECAT 88.It 89Mellanox MCX415A-CCAT 90.It 91Mellanox MCX416A-CCAT 92.It 93Mellanox MCX455A-FCAT 94.It 95Mellanox MCX456A-FCAT 96.It 97Mellanox MCX415A-BCAT 98.It 99Mellanox MCX416A-BCAT 100.It 101Mellanox MCX4131A-GCAT 102.It 103Mellanox MCX4131A-BCAT 104.It 105Mellanox MCX4121A-ACAT 106.It 107Mellanox MCX4111A-ACAT 108.It 109Mellanox MCX4121A-XCAT 110.It 111Mellanox MCX4111A-XCAT 112.El 113.Sh SUPPORT 114For general information and support, 115go to the Mellanox support website at: 116.Pa http://www.mellanox.com/ . 117.Pp 118If an issue is identified with this driver with a supported adapter, 119email all the specific information related to the issue to 120.Aq Mt freebsd-drivers@mellanox.com . 121.Sh SEE ALSO 122.Xr ifconfig 8 123.Sh HISTORY 124The 125.Nm 126device driver first appeared in 127.Fx 11.0 . 128.Sh AUTHORS 129.An -nosplit 130The 131.Nm 132driver was written by 133.An Mellanox Technologies <freebsd-drivers@mellanox.com> . 134