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.\" $FreeBSD$ 33.\" 34.Dd July 16, 2005 35.Dt LGE 4 36.Os 37.Sh NAME 38.Nm lge 39.Nd "Level 1 LXT1001 NetCellerator PCI Gigabit Ethernet adapter driver" 40.Sh SYNOPSIS 41To compile this driver into the kernel, 42place the following lines in your 43kernel configuration file: 44.Bd -ragged -offset indent 45.Cd "device miibus" 46.Cd "device lge" 47.Ed 48.Pp 49Alternatively, to load the driver as a 50module at boot time, place the following line in 51.Xr loader.conf 5 : 52.Bd -literal -offset indent 53if_lge_load="YES" 54.Ed 55.Sh DESCRIPTION 56The 57.Nm 58driver provides support for various NICs based on the Level 1 LXT1001 59NetCellerator Gigabit Ethernet controller chip. 60.Pp 61The LXT1001 supports fiber PHYs and also a GMII port for use with 6210/100/1000 copper PHYs, however there are currently no NICs on the 63market that use this feature. 64.Pp 65The LXT1001 supports TCP/IP checksum offload for receive and 66VLAN-based filtering as 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 ".Cm 1000baseSX" 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 83.Xr rc.conf 5 . 84.It Cm 1000baseSX 85Set 1000baseSX operation over fiber optic cable. 86Both 87.Cm full-duplex 88and 89.Cm half-duplex 90modes are supported. 91.El 92.Pp 93The 94.Nm 95driver supports the following media options: 96.Bl -tag -width ".Cm full-duplex" 97.It Cm full-duplex 98Force full duplex operation. 99.It Cm half-duplex 100Force half duplex operation. 101.El 102.Pp 103For more information on configuring this device, see 104.Xr ifconfig 8 . 105.Sh HARDWARE 106Adapters supported by the 107.Nm 108driver include: 109.Pp 110.Bl -bullet -compact 111.It 112SMC TigerCard 1000 (SMC9462SX) 113.It 114D-Link DGE-500SX 115.El 116.Sh DIAGNOSTICS 117.Bl -diag 118.It "lge%d: couldn't map memory" 119A fatal initialization error has occurred. 120.It "lge%d: couldn't map ports" 121A fatal initialization error has occurred. 122.It "lge%d: couldn't map interrupt" 123A fatal initialization error has occurred. 124.It "lge%d: no memory for softc struct!" 125The driver failed to allocate memory for per-device instance information 126during initialization. 127.It "lge%d: failed to enable memory mapping!" 128The driver failed to initialize PCI shared memory mapping. 129This might 130happen if the card is not in a bus-master slot. 131.It "lge%d: no memory for jumbo buffers!" 132The driver failed to allocate memory for jumbo frames during 133initialization. 134.It "lge%d: watchdog timeout" 135The device has stopped responding to the network, or there is a problem with 136the network connection (cable). 137.El 138.Sh SEE ALSO 139.Xr arp 4 , 140.Xr miibus 4 , 141.Xr netintro 4 , 142.Xr ng_ether 4 , 143.Xr ifconfig 8 144.Rs 145.%T Level 1 LXT1001 Programming Manual 146.%U http://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf 147.Re 148.Sh HISTORY 149The 150.Nm 151device driver first appeared in 152.Fx 4.4 . 153.Sh AUTHORS 154The 155.Nm 156driver was written by 157.An Bill Paul Aq Mt william.paul@windriver.com . 158