97 lines
3.2 KiB
Groff
97 lines
3.2 KiB
Groff
.\"
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.\" Copyright (c) 2011 Marius Strobl <marius@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 January 16, 2011
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.Dt RGEPHY 4
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.Os
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.Sh NAME
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.Nm rgephy
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.Nd RealTek RTL8168/8169/8110/8211 series 10/100/1000 Gigabit Ethernet PHY driver
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.Sh SYNOPSIS
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To compile all available PHY drivers into the kernel,
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place the following line in your kernel configuration file:
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.Bd -ragged -offset indent
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.Cd "device miibus"
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.Ed
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.Pp
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Alternatively, to selectively compile this driver into the kernel,
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place the following lines in your kernel configuration file instead:
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.Bd -ragged -offset indent
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.Cd "device mii"
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.Cd "device rgephy"
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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 supports the RealTek RTL8168, RTL8169, RTL8110 and RTL8211 series
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integrated 10/100/1000 Gigabit Ethernet PHYs.
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.Pp
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In order to get a list of media types and options supported by a specific
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instance of the
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.Nm
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driver, run
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.Li ifconfig -m
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on the instance of its parent MAC driver.
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.Pp
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Additionally,
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the
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.Nm
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driver supports the following special media option:
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.Bl -tag -width ".Cm flag0"
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.It Cm flag0
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When manually setting media type and options via
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.Xr ifconfig 8 ,
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the
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.Nm
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driver by default also triggers an autonegotiation advertising the selected
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media.
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This is done in order to work around hardware issues in certain scenarios.
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It is believed that this behavior does not cause harm in general but in fact
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can have an adverse effect in edge cases.
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In order to manually set the media type and options without also triggering
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an autonegotiation,
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the
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.Nm
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driver allows to turn this behavior off via the
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.Cm flag0
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media option.
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.El
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.Pp
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Note that this special media option will not show up in the output of
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.Xr ifconfig 8 ,
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even when set.
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.Sh EXAMPLES
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Manually set 100BASE-TX full-duplex without also triggering an
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autonegotiation:
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.Pp
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.Dl "ifconfig re0 media 100baseTX mediaopt full-duplex,flag0"
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.Sh SEE ALSO
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.\".Xr ifmedia 4 ,
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.Xr intro 4 ,
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.Xr miibus 4 ,
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.Xr ifconfig 8
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