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 October 19, 2021 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 "AR7240" 43.It AR7240 44Wireless Network Processor SOC with five Fast Ethernet PHYs 45.It AR8216 46Fast Ethernet Switch 47.It AR8226 48.It AR8316 49Six-port Gigabit Ethernet Switch 50.It AR8327 51Seven-port Gigabit Ethernet Switch 52.It AR9340 53Wireless networking SoC 54.El 55.Pp 56The driver uses an 57.Xr mdio 4 58or 59.Xr miibus 4 60interface to configure the ethernet interface. 61.Pp 62This driver supports port based vlan, and 63IEEE 802.1Q (QinQ). 64These options can be configured with the 65.Xr etherswitchcfg 8 66command. 67.Nm 68supports 69.Dv addtag , 70.Dv striptag , 71and 72.Dv doubletag . 73.Dv addtag 74and 75.Dv striptag 76are mutually exclusive. 77.Pp 78Setting the switch MAC address is not supported. 79.Sh SEE ALSO 80.Xr etherswitch 4 , 81.Xr etherswitchcfg 8 82.Sh HISTORY 83The 84.Nm 85device driver first appeared in 86.Fx 12.0 . 87.Sh AUTHORS 88The 89.Nm 90manual was written by 91.An Felix Johnson . 92