1.\" 2.\" Copyright (c) 2015-2016 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.Dd October 31, 2016 27.Dt URE 4 28.Os 29.Sh NAME 30.Nm ure 31.Nd "RealTek RTL8152/RTL8153 USB to Ethernet controller driver" 32.Sh SYNOPSIS 33To compile this driver into the kernel, 34place the following lines in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device uhci" 38.Cd "device ohci" 39.Cd "device usb" 40.Cd "device miibus" 41.Cd "device uether" 42.Cd "device ure" 43.Ed 44.Pp 45Alternatively, to load the driver as a 46module at boot time, place the following line in 47.Xr loader.conf 5 : 48.Bd -literal -offset indent 49if_ure_load="YES" 50.Ed 51.Sh DESCRIPTION 52The 53.Nm 54driver provides support for USB Ethernet adapters based on the RealTek 55RealTek RTL8152 and RTL8153 USB Ethernet controllers. 56.Pp 57NICs based on the RTL8152 are capable of 10 and 100Mbps speeds. 58NICs based on the RTL8153 are capable of 10, 100 and 1000Mbps operation. 59.Pp 60The 61.Nm 62driver supports the following media types: 63.Bl -tag -width ".Cm 10baseT/UTP" 64.It Cm autoselect 65Enable auto selection of the media type and options. 66The user can manually override 67the auto selected mode by adding media options to the 68.Pa /etc/rc.conf 69file. 70.It Cm 10baseT/UTP 71Set 10Mbps operation. 72The 73.Cm mediaopt 74option can also be used to select either 75.Cm full-duplex 76or 77.Cm half-duplex 78modes. 79.It Cm 100baseTX 80Set 100Mbps (Fast Ethernet) operation. 81The 82.Cm mediaopt 83option can also be used to select either 84.Cm full-duplex 85or 86.Cm half-duplex 87modes. 88.It Cm 1000baseTX 89Set 1000baseTX operation over twisted pair. 90The RealTek gigE chips support 1000Mbps in 91.Cm full-duplex 92mode only. 93.El 94.Pp 95The 96.Nm 97driver supports the following media options: 98.Bl -tag -width ".Cm full-duplex" 99.It Cm full-duplex 100Force full duplex operation. 101.It Cm half-duplex 102Force half duplex operation. 103.El 104.Pp 105For more information on configuring this device, see 106.Xr ifconfig 8 . 107.Sh DIAGNOSTICS 108.Bl -diag 109.It "ure%d: watchdog timeout" 110A packet was queued for transmission and a transmit command was 111issued, however the device failed to acknowledge the transmission 112before a timeout expired. 113.El 114.Sh SEE ALSO 115.Xr arp 4 , 116.Xr miibus 4 , 117.Xr netintro 4 , 118.Xr ng_ether 4 , 119.Xr ifconfig 8 120.Sh AUTHORS 121The 122.Nm 123driver was written by 124.An Kevin Lo Aq Mt kevlo@FreeBSD.org . 125