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.Dd August 8, 2023 26.Dt ARSWITCH 4 27.Os 28.Sh NAME 29.Nm arswitch 30.Nd driver for Atheros Fast Ethernet switch 31.Sh SYNOPSIS 32.Cd "device mdio" 33.Cd "device etherswitch" 34.Cd "device arswitch" 35.Sh DESCRIPTION 36The 37.Nm 38device driver provides a management interface to multiple Atheros 39fast ethernet switch chips: 40.Bl -tag -compact -width "AR8216" 41.It AR8216 42Fast Ethernet Switch 43.It AR8226 44.It AR8316 45Six-port Gigabit Ethernet Switch 46.It AR8327 47Seven-port Gigabit Ethernet Switch 48.El 49.Pp 50The driver uses an 51.Xr mdio 4 52or 53.Xr miibus 4 54interface to configure the ethernet interface. 55.Pp 56This driver supports port based vlan, and 57IEEE 802.1Q (QinQ). 58These options can be configured with the 59.Xr etherswitchcfg 8 60command. 61.Nm 62supports 63.Dv addtag , 64.Dv striptag , 65and 66.Dv doubletag . 67.Dv addtag 68and 69.Dv striptag 70are mutually exclusive. 71.Pp 72Setting the switch MAC address is not supported. 73.Sh SEE ALSO 74.Xr etherswitch 4 , 75.Xr etherswitchcfg 8 76.Sh HISTORY 77The 78.Nm 79device driver first appeared in 80.Fx 12.0 . 81.Sh AUTHORS 82The 83.Nm 84manual was written by 85.An Felix Johnson . 86