1.\" Copyright 2008-2017 Cisco Systems, Inc. 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.Dd Sept 7, 2022 26.Dt ENIC 4 27.Os 28.Sh NAME 29.Nm enic 30.Nd "VIC Ethernet NIC driver" 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following lines in your 34kernel configuration file: 35.Bd -ragged -offset indent 36.Cd "device iflib" 37.Cd "device enic" 38.Ed 39.Pp 40To load the driver as a module at run-time, 41run the following command as root: 42.Bd -literal -offset indent 43kldload if_enic 44.Ed 45.Pp 46To load the driver as a 47module at boot time, place the following lines in 48.Xr loader.conf 5 : 49.Bd -literal -offset indent 50if_enic_load="YES" 51.Ed 52.Sh DESCRIPTION 53The 54.Nm 55driver provides support for Cisco Virtual Interface Card. 56Support is limited to basic network connectivity. 57Media is controlled by the NIC itself since there can be multiple 58virtual PCI NIC devices exposed to the PCI bus. 59.Sh HARDWARE 60The 61.Nm 62driver should supports all known Cisco VIC cards. 63.Sh CONFIGURATION 64The 65.Nm 66network interface is configured using 67.Xr ifconfig 8 68and the 69.Xr sysctl 8 70tree at 71.Dv dev.enic.<N> . 72All configurable entries are also tunables, and can be put directly into the 73.Xr loader.conf 5 74for persistent configuration. 75.Sh SEE ALSO 76.Xr ifconfig 8 77.Sh HISTORY 78The 79.Nm 80device driver first appeared in 81.Fx 14.0 . 82.Sh AUTHORS 83.An -nosplit 84The 85.Nm 86driver was written by 87.An Cisco UCS team 88based of the DPDK driver. 89