28d34c0e95
PR: 118401 Submitted by: Skip Ford <skip at menantico dot com> Approved by: imp (mentor), yongari MFC After: 3 days
250 lines
6.4 KiB
Groff
250 lines
6.4 KiB
Groff
.\" Copyright (c) 2006 Pyun YongHyeon
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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 December 5, 2007
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.Dt MSK 4
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.Os
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.Sh NAME
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.Nm msk
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.Nd Marvell/SysKonnect Yukon II Gigabit Ethernet adapter 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 miibus"
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.Cd "device msk"
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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_msk_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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device driver provides support for various NICs based on the
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Marvell/SysKonnect Yukon II Gigabit Ethernet controller chip.
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.Pp
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All NICs supported by the
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.Nm
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driver have TCP/UDP/IP checksum offload for transmit, TCP
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segmentation offload (TSO), hardware VLAN tag stripping/insertion
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features and an interrupt moderation mechanism as well as a 64-bit
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multicast hash filter.
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The Yukon II supports TBI (ten bit interface) and GMII
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transceivers, which means it can be used with either copper or
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1000baseX fiber applications.
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.Pp
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The Yukon II also supports Jumbo Frames (up to 9022 bytes), which can be
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configured via the interface MTU setting.
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Selecting an MTU larger than 1500 bytes with the
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.Xr ifconfig 8
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utility configures the adapter to receive and transmit Jumbo Frames.
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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 autoselection of the media type and options.
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The user can manually override
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the autoselected mode by adding media options to
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.Xr rc.conf 5 .
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.It Cm 10baseT/UTP
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Set 10Mbps operation.
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The
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.Xr ifconfig 8
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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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.Xr ifconfig 8
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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 1000baseTX
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Set 1000baseTX operation over twisted pair.
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The
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.Xr ifconfig 8
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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 1000baseSX
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Set 1000Mbps (Gigabit Ethernet) operation.
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Both
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.Cm full-duplex
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and
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.Cm half-duplex
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modes are supported.
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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 full-duplex"
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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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The
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.Nm
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driver also supports one special link option for 1000baseTX cards:
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.Bl -tag -width ".Cm link0"
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.It Cm link0
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With 1000baseTX cards, establishing a link between two ports requires
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that one port is configured as master and the other one as slave.
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With autonegotiation,
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the master/slave settings will be chosen automatically.
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However when manually selecting the link state, it is necessary to
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force one side of the link to be a master and the other a slave.
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The
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.Nm
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driver configures the ports as slaves by default.
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Setting the
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.Cm link0
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flag with
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.Xr ifconfig 8
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will set a port as a master instead.
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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 provides support for various NICs based on the Marvell/SysKonnect
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Yukon II based Gigabit Ethernet controller chips, including:
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.Pp
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.Bl -bullet -compact
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.It
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D-Link 550SX Gigabit Ethernet
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.It
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D-Link 560T Gigabit Ethernet
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.It
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Marvell Yukon 88E8021CU Gigabit Ethernet
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.It
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Marvell Yukon 88E8021 SX/LX Gigabit Ethernet
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.It
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Marvell Yukon 88E8022CU Gigabit Ethernet
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.It
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Marvell Yukon 88E8022 SX/LX Gigabit Ethernet
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.It
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Marvell Yukon 88E8061CU Gigabit Ethernet
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.It
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Marvell Yukon 88E8061 SX/LX Gigabit Ethernet
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.It
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Marvell Yukon 88E8062CU Gigabit Ethernet
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.It
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Marvell Yukon 88E8062 SX/LX Gigabit Ethernet
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.It
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Marvell Yukon 88E8035 Gigabit Ethernet
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.It
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Marvell Yukon 88E8036 Gigabit Ethernet
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.It
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Marvell Yukon 88E8038 Gigabit Ethernet
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.It
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Marvell Yukon 88E8039 Gigabit Ethernet
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.It
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Marvell Yukon 88E8050 Gigabit Ethernet
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.It
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Marvell Yukon 88E8052 Gigabit Ethernet
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.It
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Marvell Yukon 88E8053 Gigabit Ethernet
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.It
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Marvell Yukon 88E8055 Gigabit Ethernet
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.It
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Marvell Yukon 88E8056 Gigabit Ethernet
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.It
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Marvell Yukon 88E8058 Gigabit Ethernet
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.It
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SysKonnect SK-9Sxx Gigabit Ethernet
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.It
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SysKonnect SK-9Exx Gigabit Ethernet
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.El
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.Sh LOADER TUNABLES
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Tunables can be set at the
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.Xr loader 8
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prompt before booting the kernel or stored in
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.Xr loader.conf 5 .
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.Bl -tag -width indent
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.It Va hw.msk.msi_disable
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This tunable disables MSI support on the Ethernet hardware.
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The default value is 0.
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.El
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.Sh SYSCTL VARIABLES
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The following variables are available as both
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.Xr sysctl 8
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variables and
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.Xr loader 8
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tunables:
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.Bl -tag -width indent
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.It Va dev.mskc.%d.process_limit
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Maximum amount of Rx events to be processed in the event loop before
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rescheduling a taskqueue.
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The accepted range is 30 to 256, the default value is 128 events.
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The interface does not need to be brought down and up again before
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a change takes effect.
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.El
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.Sh SEE ALSO
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.Xr altq 4 ,
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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 vlan 4 ,
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.Xr ifconfig 8
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.Sh HISTORY
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The
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.Nm
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driver was written by
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.An Pyun YongHyeon
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.Aq yongari@FreeBSD.org
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and it is based on
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.Xr sk 4
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and Marvell's
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.Fx
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driver.
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It first appeared in
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.Fx 7.0
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and
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.Fx 6.3 .
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