1.\" $OpenBSD: lge.4,v 1.21 2008/04/20 05:51:16 brad Exp $ 2.\" Copyright (c) 2001 Wind River Systems 3.\" Copyright (c) 1997, 1998, 1999, 2000, 2001 4.\" Bill Paul <william.paul@windriver.com>. All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed by Bill Paul. 17.\" 4. Neither the name of the author nor the names of any co-contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 25.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31.\" THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" $FreeBSD: src/share/man/man4/lge.4,v 1.3 2001/07/06 08:34:13 ru Exp $ 34.\" 35.Dd $Mdocdate: April 20 2008 $ 36.Dt LGE 4 37.Os 38.Sh NAME 39.Nm lge 40.Nd Level 1 LXT1001 NetCellerator PCI Gigabit Ethernet device 41.Sh SYNOPSIS 42.Cd "lge* at pci?" 43.Cd "xmphy* at mii?" 44.Sh DESCRIPTION 45The 46.Nm 47driver provides support for various NICs based on the Level 1 LXT1001 48NetCellerator Gigabit Ethernet controller chip, including the 49following: 50.Pp 51.Bl -bullet -compact 52.It 53Allied Telesis CentreCOM LA1000-PCI-SX 54.It 55D-Link DGE-500SX 56.It 57SMC TigerCard 1000 (SMC9462SX) 58.El 59.Pp 60These NICs are capable of 1000Mbps speeds over fiber optic cable. 61The LXT1001 also supports a GMII port for use with 10/100/1000 copper 62PHYs, however there aren't currently any NICs on the market that use 63this feature. 64.Pp 65The LXT1001 supports IPv4 receive IP/TCP/UDP checksum offload 66as well as a 64-bit multicast hash filter. 67It also supports Jumbo frames, which can be configured 68via the interface MTU setting. 69Selecting an MTU larger than 1500 bytes with the 70.Xr ifconfig 8 71utility configures the adapter to receive and transmit Jumbo frames. 72Using Jumbo frames can greatly improve performance for certain tasks, 73such as file transfers and data streaming. 74.Pp 75The 76.Nm 77driver supports the following media types: 78.Bl -tag -width full-duplex 79.It Cm autoselect 80Enable autoselection of the media type and options. 81The user can manually override 82the autoselected mode by adding media options to the appropriate 83.Xr hostname.if 5 84file. 85.It Cm 1000baseSX 86Set 1000baseSX operation over fiber optic cable. 87Both 88.Cm full-duplex 89and 90.Cm half-duplex 91modes are supported. 92.El 93.Pp 94The 95.Nm 96driver supports the following media options: 97.Bl -tag -width full-duplex 98.It Cm full-duplex 99Force full duplex operation. 100.It Cm half-duplex 101Force half duplex operation. 102.El 103.Pp 104For more information on configuring this device, see 105.Xr ifconfig 8 . 106.Sh DIAGNOSTICS 107.Bl -diag 108.It "lge%d: can't map i/o space" 109A fatal initialization error has occurred. 110.It "lge%d: couldn't map interrupt" 111A fatal initialization error has occurred. 112.It "lge%d: no memory for jumbo buffer queue!" 113The driver failed to allocate memory for jumbo frames during 114initialization. 115.It "lge%d: watchdog timeout" 116The device has stopped responding to the network, or there is a problem with 117the network connection (cable). 118.El 119.Sh SEE ALSO 120.Xr arp 4 , 121.Xr ifmedia 4 , 122.Xr intro 4 , 123.Xr netintro 4 , 124.Xr pci 4 , 125.Xr xmphy 4 , 126.Xr hostname.if 5 , 127.Xr ifconfig 8 128.Rs 129.%T Level 1 LXT1001 Programming Manual 130.%O http://people.freebsd.org/~wpaul/Level1/LXT1001SRM.pdf 131.Re 132.Sh HISTORY 133The 134.Nm 135device driver first appeared in 136.Ox 3.0 . 137.Sh AUTHORS 138The 139.Nm 140driver was written by 141.An Bill Paul Aq william.paul@windriver.com . 142