1999-07-09 04:30:09 +00:00
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.\" Copyright (c) 1997, 1998, 1999
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.\" Bill Paul <wpaul@ctr.columbia.edu>. 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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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by Bill Paul.
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.\" 4. Neither the name of the author nor the names of any co-contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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1999-08-28 00:22:10 +00:00
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.\" $FreeBSD$
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1999-07-09 04:30:09 +00:00
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.\"
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2004-08-20 06:27:58 +00:00
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.Dd August 19, 2004
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1999-11-15 23:14:32 +00:00
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.Dt SK 4
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2001-07-10 15:31:11 +00:00
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.Os
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1999-07-09 04:30:09 +00:00
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.Sh NAME
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.Nm sk
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2001-04-18 15:54:10 +00:00
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.Nd "SysKonnect SK-984x and SK-982x PCI gigabit ethernet adapter driver"
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1999-07-09 04:30:09 +00:00
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.Sh SYNOPSIS
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2000-04-24 02:01:56 +00:00
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.Cd "device miibus"
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2000-01-23 16:13:26 +00:00
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.Cd "device sk"
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1999-07-09 04:30:09 +00:00
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.Sh DESCRIPTION
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The
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.Nm
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2000-04-22 02:17:44 +00:00
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driver provides support for the SysKonnect SK-984x and SK-982x series PCI
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1999-07-09 04:30:09 +00:00
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gigabit ethernet adapters, including the following:
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2000-04-22 02:17:44 +00:00
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.Pp
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.Bl -bullet -offset indent -compact
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.It
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2003-11-13 16:23:00 +00:00
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3COM 3C940 single port, 1000baseT adapter
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.It
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2004-08-20 06:27:58 +00:00
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Belkin F5D5005 single port, 10000baseT adapter
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.It
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2003-11-13 16:23:00 +00:00
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Linksys EG1032 single port, 1000baseT adapter
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.It
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2003-09-20 11:10:51 +00:00
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SK-9521 SK-NET GE-T single port, 1000baseT adapter
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.It
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2000-04-22 02:17:44 +00:00
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SK-9821 SK-NET GE-T single port, 1000baseT adapter
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.It
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SK-9822 SK-NET GE-T dual port, 1000baseT adapter
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1999-07-09 04:30:09 +00:00
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.It
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SK-9841 SK-NET GE-LX single port, single mode fiber adapter
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.It
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2001-04-30 16:02:46 +00:00
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SK-9842 SK-NET GE-LX dual port, single mode fiber adapter
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1999-07-09 04:30:09 +00:00
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.It
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2001-04-30 16:02:46 +00:00
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SK-9843 SK-NET GE-SX single port, multimode fiber adapter
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1999-07-09 04:30:09 +00:00
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.It
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2000-02-21 19:55:15 +00:00
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SK-9844 SK-NET GE-SX dual port, multimode fiber adapter
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2003-09-20 11:10:51 +00:00
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.It
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2003-11-13 16:23:00 +00:00
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SMC 9452TX single port, 1000baseT adapter
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1999-07-09 04:30:09 +00:00
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.El
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.Pp
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The SysKonnect adapters consist of two main components: the XaQti Corp.
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2000-03-01 14:50:24 +00:00
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XMAC II gigabit MAC and the SysKonnect GEnesis controller ASIC.
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The
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2002-01-21 12:09:13 +00:00
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XMAC provides the gigabit MAC and PHY support while the GEnesis
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1999-07-09 04:30:09 +00:00
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provides an interface to the PCI bus, DMA support, packet buffering
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2000-03-01 14:50:24 +00:00
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and arbitration.
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The GEnesis can control up to two XMACs simultaneously,
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1999-07-09 04:30:09 +00:00
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allowing dual-port NIC configurations.
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.Pp
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2000-04-22 02:17:44 +00:00
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The SK-982x 1000baseT adapters also include a Broadcom BCM5400 1000baseTX
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2000-05-04 17:30:46 +00:00
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PHY which is used in place of the XMAC's internal PHY.
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The Broadcom PHY is connected to the XMAC via its GMII port.
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2000-04-22 02:17:44 +00:00
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.Pp
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1999-07-09 04:30:09 +00:00
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The
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.Nm
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driver configures dual port SysKonnect adapters such that each XMAC
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2000-03-01 14:50:24 +00:00
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is treated as a separate logical network interface.
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Both ports can
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2002-01-21 12:09:13 +00:00
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operate independently of each other and can be connected to separate
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2000-03-01 14:50:24 +00:00
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networks.
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The SysKonnect driver software currently only uses the
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1999-07-09 04:30:09 +00:00
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second port on dual port adapters for failover purposes: if the link
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on the primary port fails, the SysKonnect driver will automatically
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switch traffic onto the second port.
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.Pp
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2003-09-20 11:10:51 +00:00
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Also supported is the Marvell Semiconductor 88E1000* gigabit PHY.
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.Pp
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1999-07-09 04:30:09 +00:00
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The XaQti XMAC II supports full and half duplex operation with
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2000-03-01 14:50:24 +00:00
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autonegotiation.
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The XMAC also supports unlimited frame sizes.
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1999-07-09 04:30:09 +00:00
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Support for jumbo frames is provided 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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Using jumbo frames can greatly improve performance for certain tasks,
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such as file transfers and data streaming.
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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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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It 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 the
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.Pa /etc/rc.conf
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file.
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2000-04-22 02:17:44 +00:00
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.It 1000baseTX
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2000-05-04 17:30:46 +00:00
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Set 1000baseTX operation over twisted pair.
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This is only available
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2000-04-22 02:17:44 +00:00
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for SK-982x series adapters with 1000baseT ports.
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Both
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.Ar full-duplex
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and
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.Ar half-duplex
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modes are supported.
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1999-07-09 04:30:09 +00:00
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.It 1000baseSX
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2000-03-01 14:50:24 +00:00
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Set 1000Mbps (gigabit ethernet) operation.
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Both
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1999-07-09 04:30:09 +00:00
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.Ar full-duplex
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and
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.Ar 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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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It full-duplex
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Force full duplex operation
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.It half-duplex
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Force half duplex operation.
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.El
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.Pp
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2000-04-22 02:17:44 +00:00
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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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.Pp
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.Bl -tag -width xxxxxxxxxxxxxxxxxxxx
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.It link0
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With 1000baseTX cards, establishing a link between two ports requires
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2000-05-04 17:30:46 +00:00
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that one port be configured as a master and the other a slave.
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With autonegotiation,
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the master/slave settings will be chosen automatically.
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2000-04-22 02:17:44 +00:00
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However when manually selecting the link state, it is necessary to
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2000-05-04 17:30:46 +00:00
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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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2000-04-22 02:17:44 +00:00
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.Nm
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2000-05-04 17:30:46 +00:00
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driver configures the ports as slaves by default.
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Setting the
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2000-04-22 02:17:44 +00:00
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.Ar 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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1999-07-09 04:30:09 +00:00
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For more information on configuring this device, see
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.Xr ifconfig 8 .
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.Sh DIAGNOSTICS
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.Bl -diag
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.It "sk%d: couldn't map memory"
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A fatal initialization error has occurred.
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.It "sk%d: couldn't map ports"
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A fatal initialization error has occurred.
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.It "sk%d: couldn't map interrupt"
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A fatal initialization error has occurred.
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.It "sk%d: no memory for softc struct!"
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The driver failed to allocate memory for per-device instance information
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during initialization.
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.It "sk%d: failed to enable memory mapping!"
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2000-03-01 14:50:24 +00:00
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The driver failed to initialize PCI shared memory mapping.
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This might
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1999-07-09 04:30:09 +00:00
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happen if the card is not in a bus-master slot.
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.It "sk%d: no memory for jumbo buffers!"
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The driver failed to allocate memory for jumbo frames during
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initialization.
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.It "sk%d: watchdog timeout"
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The device has stopped responding to the network, or there is a problem with
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the network connection (cable).
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.El
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.Sh SEE ALSO
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.Xr arp 4 ,
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2004-01-09 17:43:37 +00:00
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.Xr miibus 4 ,
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2001-07-14 19:41:16 +00:00
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.Xr netintro 4 ,
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2000-05-04 17:40:13 +00:00
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.Xr ng_ether 4 ,
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2001-07-06 16:46:48 +00:00
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.Xr vlan 4 ,
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2000-05-04 17:40:13 +00:00
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.Xr ifconfig 8
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1999-07-09 04:30:09 +00:00
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.Rs
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.%T XaQti XMAC II datasheet
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.%O http://www.xaqti.com
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.Re
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.Rs
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.%T SysKonnect GEnesis programming manual
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.%O http://www.syskonnect.com
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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 3.0 .
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1999-08-15 10:48:36 +00:00
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.Sh AUTHORS
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1999-07-09 04:30:09 +00:00
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The
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.Nm
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driver was written by
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.An Bill Paul Aq wpaul@ctr.columbia.edu .
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