156 lines
4.2 KiB
Groff
156 lines
4.2 KiB
Groff
.\"
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.\" Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 24, 2015
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.Dt RUE 4
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.Os
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.Sh NAME
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.Nm rue
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.Nd "RealTek RTL8150 USB to Fast Ethernet controller driver"
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.Sh SYNOPSIS
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To compile this driver into the kernel,
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place the following lines in your
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kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device uhci"
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.Cd "device ohci"
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.Cd "device usb"
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.Cd "device miibus"
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.Cd "device uether"
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.Cd "device rue"
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.Ed
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.Pp
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Alternatively, to load the driver as a
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module at boot time, place the following line in
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.Xr loader.conf 5 :
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.Bd -literal -offset indent
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if_rue_load="YES"
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.Ed
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.Sh DESCRIPTION
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The
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.Nm
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driver provides support for USB Ethernet adapters based on the RealTek
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RTL8150 USB to Fast Ethernet controller chip.
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.Pp
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The RTL8150 contains an integrated Fast Ethernet MAC, which supports
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both 10 and 100Mbps speeds in either full or half duplex.
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Although designed to interface with
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100Mbps peripheral, the existing USB standard specifies a maximum
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transfer speed of 12Mbps.
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Users should therefore not expect to actually
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achieve 100Mbps speeds with this device.
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.Pp
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The
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.Nm
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driver supports the following media types:
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.Bl -tag -width ".Cm 10baseT/UTP"
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.It Cm autoselect
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Enable auto selection of the media type and options.
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The user can manually override
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the auto selected mode by adding media options to the
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.Pa /etc/rc.conf
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file.
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.It Cm 10baseT/UTP
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Set 10Mbps operation.
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The
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.Cm mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.It Cm 100baseTX
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Set 100Mbps (Fast Ethernet) operation.
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The
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.Cm mediaopt
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option can also be used to select either
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.Cm full-duplex
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or
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.Cm half-duplex
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modes.
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.El
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.Pp
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The
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.Nm
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driver supports the following media options:
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.Bl -tag -width ".Cm 10baseT/UTP"
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.It Cm full-duplex
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Force full duplex operation.
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.It Cm half-duplex
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Force half duplex operation.
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.El
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.Pp
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Sh HARDWARE
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The
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.Nm
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driver supports RealTek RTL8150 based USB Ethernet
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adapters including:
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.Pp
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.Bl -bullet -compact
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.It
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Buffalo (Melco Inc.) LUA-KTX
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.It
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Green House GH-USB100B
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.It
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LinkSys USB100M
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.It
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Billionton 10/100 FastEthernet USBKR2
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.El
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "rue%d: watchdog timeout"
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A packet was queued for transmission and a transmit command was
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issued, however the device failed to acknowledge the transmission
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before a timeout expired.
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.It "rue%d: rx list init failed"
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The driver failed to allocate an mbuf for the transmitter ring.
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.It "rue%d: no memory for rx list"
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The driver failed to allocate an mbuf for the receiver ring.
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.El
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.Sh SEE ALSO
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.Xr arp 4 ,
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.Xr miibus 4 ,
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.Xr netintro 4 ,
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.Xr ng_ether 4 ,
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.Xr ifconfig 8
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.Rs
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.%T "RealTek RTL8150 data sheet"
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.%U http://pdf.seekdatasheet.com/2008714/200807142333305235.pdf
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.Re
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.Sh HISTORY
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The
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.Nm
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device driver first appeared in
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.Fx 5.1 .
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.Sh AUTHORS
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The
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.Nm
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driver was written by
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.An Shunsuke Akiyama Aq Mt akiyama@FreeBSD.org .
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