1.\" Copyright (c) 2001 Wind River Systems 2.\" Copyright (c) 1997, 1998, 1999, 2000, 2001 3.\" Bill Paul <william.paul@windriver.com>. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 3. All advertising materials mentioning features or use of this software 14.\" must display the following acknowledgement: 15.\" This product includes software developed by Bill Paul. 16.\" 4. Neither the name of the author nor the names of any co-contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30.\" THE POSSIBILITY OF SUCH DAMAGE. 31.\" 32.\" $FreeBSD: src/share/man/man4/lge.4,v 1.2.2.3 2001/08/17 13:08:38 ru Exp $ 33.\" $DragonFly: src/share/man/man4/lge.4,v 1.4 2007/02/25 12:03:07 swildner Exp $ 34.\" 35.Dd May 30, 2001 36.Dt LGE 4 37.Os 38.Sh NAME 39.Nm lge 40.Nd "Level 1 LXT1001 NetCellerator PCI gigabit ethernet adapter driver" 41.Sh SYNOPSIS 42.Cd "device miibus" 43.Cd "device lge" 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 53SMC TigerCard 1000 (SMC9462SX) 54.It 55D-Link DGE-500SX 56.El 57.Pp 58These NICs are capable of 1000mbps speeds over fiber optic cable. 59The LXT1001 also supports a GMII port for use with 10/100/1000 copper 60PHYs, however there aren't currently any NICs on the market that use 61this feature. 62.Pp 63The LXT1001 supports TCP/IP checksum offload for receive and 64VLAN-based filtering as well as a 64-bit multicast hash filter. 65It also supports jumbo frames, which can be configured 66via the interface MTU setting. 67Selecting an MTU larger than 1500 bytes with the 68.Xr ifconfig 8 69utility configures the adapter to receive and transmit jumbo frames. 70Using jumbo frames can greatly improve performance for certain tasks, 71such as file transfers and data streaming. 72.Pp 73The 74.Nm 75driver supports the following media types: 76.Bl -tag -width ".Cm 1000baseSX" 77.It Cm autoselect 78Enable autoselection of the media type and options. 79The user can manually override 80the autoselected mode by adding media options to 81.Xr rc.conf 5 . 82.It Cm 1000baseSX 83Set 1000baseSX operation over fiber optic cable. 84Both 85.Cm full-duplex 86and 87.Cm half-duplex 88modes are supported. 89.El 90.Pp 91The 92.Nm 93driver supports the following media options: 94.Bl -tag -width ".Cm full-duplex" 95.It Cm full-duplex 96Force full duplex operation. 97.It Cm half-duplex 98Force half duplex operation. 99.El 100.Pp 101For more information on configuring this device, see 102.Xr ifconfig 8 . 103.Sh DIAGNOSTICS 104.Bl -diag 105.It "lge%d: couldn't map memory" 106A fatal initialization error has occurred. 107.It "lge%d: couldn't map ports" 108A fatal initialization error has occurred. 109.It "lge%d: couldn't map interrupt" 110A fatal initialization error has occurred. 111.It "lge%d: no memory for softc struct!" 112The driver failed to allocate memory for per-device instance information 113during initialization. 114.It "lge%d: failed to enable memory mapping!" 115The driver failed to initialize PCI shared memory mapping. 116This might 117happen if the card is not in a bus-master slot. 118.It "lge%d: no memory for jumbo buffers!" 119The driver failed to allocate memory for jumbo frames during 120initialization. 121.It "lge%d: watchdog timeout" 122The device has stopped responding to the network, or there is a problem with 123the network connection (cable). 124.El 125.Sh SEE ALSO 126.Xr arp 4 , 127.Xr ifmedia 4 , 128.Xr miibus 4 , 129.Xr netintro 4 , 130.Xr ng_ether 4 , 131.Xr ifconfig 8 132.Rs 133.%T Level 1 LXT1001 Programming Manual 134.%O http://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf 135.Re 136.Sh HISTORY 137The 138.Nm 139device driver first appeared in 140.Fx 4.4 . 141.Sh AUTHORS 142The 143.Nm 144driver was written by 145.An Bill Paul Aq william.paul@windriver.com . 146