1.\" 2.\" Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>. 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd August 25, 2004 29.Dt RUE 4 30.Os 31.Sh NAME 32.Nm rue 33.Nd "RealTek RTL8150 USB to Fast Ethernet controller driver" 34.Sh SYNOPSIS 35.Cd "device uhci" 36.Cd "device ohci" 37.Cd "device usb" 38.Cd "device miibus" 39.Cd "device rue" 40.Sh DESCRIPTION 41The 42.Nm 43driver provides support for USB Ethernet adapters based on the RealTek 44RTL8150 USB to Fast Ethernet controller chip. 45.Pp 46The RTL8150 contains an integrated Fast Ethernet MAC, which supports 47both 10 and 100Mbps speeds in either full or half duplex. 48Although designed to interface with 49100Mbps peripheral, the existing USB standard specifies a maximum 50transfer speed of 12Mbps. 51Users should therefore not expect to actually 52achieve 100Mbps speeds with this device. 53.Pp 54The 55.Nm 56driver supports the following media types: 57.Bl -tag -width ".Cm 10baseT/UTP" 58.It Cm autoselect 59Enable auto selection of the media type and options. 60The user can manually override 61the auto selected mode by adding media options to the 62.Pa /etc/rc.conf 63file. 64.It Cm 10baseT/UTP 65Set 10Mbps operation. 66The 67.Cm mediaopt 68option can also be used to select either 69.Cm full-duplex 70or 71.Cm half-duplex 72modes. 73.It Cm 100baseTX 74Set 100Mbps (Fast Ethernet) operation. 75The 76.Cm mediaopt 77option can also be used to select either 78.Cm full-duplex 79or 80.Cm half-duplex 81modes. 82.El 83.Pp 84The 85.Nm 86driver supports the following media options: 87.Bl -tag -width ".Cm 10baseT/UTP" 88.It Cm full-duplex 89Force full duplex operation. 90.It Cm half-duplex 91Force half duplex operation. 92.El 93.Pp 94For more information on configuring this device, see 95.Xr ifconfig 8 . 96.Sh HARDWARE 97The 98.Nm 99driver supports RealTek RTL8150 based USB Ethernet 100adapters including: 101.Pp 102.Bl -bullet -compact 103.It 104Buffalo (Melco Inc.) LUA-KTX 105.It 106Green House GH-USB100B 107.It 108LinkSys USB100M 109.It 110Billionton 10/100 FastEthernet USBKR2 111.El 112.Sh DIAGNOSTICS 113.Bl -diag 114.It "rue%d: watchdog timeout" 115A packet was queued for transmission and a transmit command was 116issued, however the device failed to acknowledge the transmission 117before a timeout expired. 118.It "rue%d: rx list init failed" 119The driver failed to allocate an mbuf for the transmitter ring. 120.It "rue%d: no memory for rx list" 121The driver failed to allocate an mbuf for the receiver ring. 122.El 123.Sh SEE ALSO 124.Xr arp 4 , 125.Xr miibus 4 , 126.Xr netintro 4 , 127.Xr ng_ether 4 , 128.Xr ifconfig 8 129.Rs 130.%T "ReakTek RTL8150 data sheet" 131.%O ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/ 132.Re 133.Sh HISTORY 134The 135.Nm 136device driver first appeared in 137.Fx 5.1 . 138.Sh AUTHORS 139The 140.Nm 141driver was written by 142.An Shunsuke Akiyama Aq akiyama@FreeBSD.org . 143