1.\"- 2.\" Copyright (c) 2021 Felix Johnson <felix.the.red@gmail.com> 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 THE 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 THE 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 August 8, 2023 28.Dt ARSWITCH 4 29.Os 30.Sh NAME 31.Nm arswitch 32.Nd driver for Atheros Fast Ethernet switch 33.Sh SYNOPSIS 34.Cd "device mdio" 35.Cd "device etherswitch" 36.Cd "device arswitch" 37.Sh DESCRIPTION 38The 39.Nm 40device driver provides a management interface to multiple Atheros 41fast ethernet switch chips: 42.Bl -tag -compact -width "AR8216" 43.It AR8216 44Fast Ethernet Switch 45.It AR8226 46.It AR8316 47Six-port Gigabit Ethernet Switch 48.It AR8327 49Seven-port Gigabit Ethernet Switch 50.El 51.Pp 52The driver uses an 53.Xr mdio 4 54or 55.Xr miibus 4 56interface to configure the ethernet interface. 57.Pp 58This driver supports port based vlan, and 59IEEE 802.1Q (QinQ). 60These options can be configured with the 61.Xr etherswitchcfg 8 62command. 63.Nm 64supports 65.Dv addtag , 66.Dv striptag , 67and 68.Dv doubletag . 69.Dv addtag 70and 71.Dv striptag 72are mutually exclusive. 73.Pp 74Setting the switch MAC address is not supported. 75.Sh SEE ALSO 76.Xr etherswitch 4 , 77.Xr etherswitchcfg 8 78.Sh HISTORY 79The 80.Nm 81device driver first appeared in 82.Fx 12.0 . 83.Sh AUTHORS 84The 85.Nm 86manual was written by 87.An Felix Johnson . 88