1.\" 2.\" Copyright (c) 2015 Kevin Lo <kevlo@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 December 1, 2015 29.Dt URE 4 30.Os 31.Sh NAME 32.Nm ure 33.Nd "RealTek RTL8152 USB to Fast Ethernet controller driver" 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device uhci" 40.Cd "device ohci" 41.Cd "device usb" 42.Cd "device miibus" 43.Cd "device uether" 44.Cd "device ure" 45.Ed 46.Pp 47Alternatively, to load the driver as a 48module at boot time, place the following line in 49.Xr loader.conf 5 : 50.Bd -literal -offset indent 51if_ure_load="YES" 52.Ed 53.Sh DESCRIPTION 54The 55.Nm 56driver provides support for USB Ethernet adapters based on the RealTek 57RTL8152 USB to Fast Ethernet controller chip. 58.Pp 59The RTL8152 contains an integrated Fast Ethernet MAC, which supports 60both 10 and 100Mbps speeds in either full or half duplex. 61.Pp 62The 63.Nm 64driver supports the following media types: 65.Bl -tag -width ".Cm 10baseT/UTP" 66.It Cm autoselect 67Enable auto selection of the media type and options. 68The user can manually override 69the auto selected mode by adding media options to the 70.Pa /etc/rc.conf 71file. 72.It Cm 10baseT/UTP 73Set 10Mbps operation. 74The 75.Cm mediaopt 76option can also be used to select either 77.Cm full-duplex 78or 79.Cm half-duplex 80modes. 81.It Cm 100baseTX 82Set 100Mbps (Fast Ethernet) operation. 83The 84.Cm mediaopt 85option can also be used to select either 86.Cm full-duplex 87or 88.Cm half-duplex 89modes. 90.El 91.Pp 92The 93.Nm 94driver supports the following media options: 95.Bl -tag -width ".Cm 10baseT/UTP" 96.It Cm full-duplex 97Force full duplex operation. 98.It Cm half-duplex 99Force half duplex operation. 100.El 101.Pp 102For more information on configuring this device, see 103.Xr ifconfig 8 . 104.Sh DIAGNOSTICS 105.Bl -diag 106.It "ure%d: watchdog timeout" 107A packet was queued for transmission and a transmit command was 108issued, however the device failed to acknowledge the transmission 109before a timeout expired. 110.El 111.Sh SEE ALSO 112.Xr arp 4 , 113.Xr miibus 4 , 114.Xr netintro 4 , 115.Xr ng_ether 4 , 116.Xr ifconfig 8 117.Sh AUTHORS 118The 119.Nm 120driver was written by 121.An Kevin Lo Aq Mt kevlo@FreeBSD.org . 122