1.\" $OpenBSD: lge.4,v 1.7 2004/03/21 19:50:25 miod 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 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 "lge* at pci? dev ? function ?" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides support for various NICs based on the Level 1 LXT1001 47NetCellerator gigabit ethernet controller chip, including the 48following: 49.Pp 50.Bl -bullet -compact 51.It 52SMC TigerCard 1000 (SMC9462SX) 53.It 54D-Link DGE-500SX 55.El 56.Pp 57These NICs are capable of 1000Mbps speeds over fiber optic cable. 58The LXT1001 also supports a GMII port for use with 10/100/1000 copper 59PHYs, however there aren't currently any NICs on the market that use 60this feature. 61.Pp 62The LXT1001 supports TCP/IP checksum offload for receive and 63VLAN-based filtering as well as a 64-bit multicast hash filter. 64It also supports jumbo frames, which can be configured 65via the interface MTU setting. 66Selecting an MTU larger than 1500 bytes with the 67.Xr ifconfig 8 68utility configures the adapter to receive and transmit jumbo frames. 69Using jumbo frames can greatly improve performance for certain tasks, 70such as file transfers and data streaming. 71.Pp 72The 73.Nm 74driver supports the following media types: 75.Bl -tag -width full-duplex 76.It Cm autoselect 77Enable autoselection of the media type and options. 78The user can manually override 79the autoselected mode by adding media options to the appropriate 80.Xr hostname.if 5 81file. 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 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 intro 4 , 129.Xr netintro 4 , 130.Xr pci 4 , 131.Xr vlan 4 , 132.Xr hostname.if 5 , 133.Xr ifconfig 8 134.Rs 135.%T Level 1 LXT1001 Programming Manual 136.%O http://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf 137.Re 138.Sh HISTORY 139The 140.Nm 141device driver first appeared in 142.Ox 3.0 . 143.Sh AUTHORS 144The 145.Nm 146driver was written by 147.An Bill Paul Aq william.paul@windriver.com . 148