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.Dd July 16, 2005 33.Dt LGE 4 34.Os 35.Sh NAME 36.Nm lge 37.Nd "Level 1 LXT1001 NetCellerator PCI Gigabit Ethernet adapter driver" 38.Sh SYNOPSIS 39To compile this driver into the kernel, 40place the following lines in your 41kernel configuration file: 42.Bd -ragged -offset indent 43.Cd "device miibus" 44.Cd "device lge" 45.Ed 46.Pp 47Alternatively, to load the driver as a 48module at boot time, place the following line in 49.Xr loader.conf 5 : 50.Bd -literal -offset indent 51if_lge_load="YES" 52.Ed 53.Sh DESCRIPTION 54The 55.Nm 56driver provides support for various NICs based on the Level 1 LXT1001 57NetCellerator Gigabit Ethernet controller chip. 58.Pp 59The LXT1001 supports fiber PHYs and also a GMII port for use with 6010/100/1000 copper PHYs, however there are currently no NICs on the 61market that use this 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 HARDWARE 104Adapters supported by the 105.Nm 106driver include: 107.Pp 108.Bl -bullet -compact 109.It 110SMC TigerCard 1000 (SMC9462SX) 111.It 112D-Link DGE-500SX 113.El 114.Sh DIAGNOSTICS 115.Bl -diag 116.It "lge%d: couldn't map memory" 117A fatal initialization error has occurred. 118.It "lge%d: couldn't map ports" 119A fatal initialization error has occurred. 120.It "lge%d: couldn't map interrupt" 121A fatal initialization error has occurred. 122.It "lge%d: no memory for softc struct!" 123The driver failed to allocate memory for per-device instance information 124during initialization. 125.It "lge%d: failed to enable memory mapping!" 126The driver failed to initialize PCI shared memory mapping. 127This might 128happen if the card is not in a bus-master slot. 129.It "lge%d: no memory for jumbo buffers!" 130The driver failed to allocate memory for jumbo frames during 131initialization. 132.It "lge%d: watchdog timeout" 133The device has stopped responding to the network, or there is a problem with 134the network connection (cable). 135.El 136.Sh SEE ALSO 137.Xr arp 4 , 138.Xr miibus 4 , 139.Xr netintro 4 , 140.Xr ng_ether 4 , 141.Xr ifconfig 8 142.Rs 143.%T Level 1 LXT1001 Programming Manual 144.%U https://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf 145.Re 146.Sh HISTORY 147The 148.Nm 149device driver first appeared in 150.Fx 4.4 . 151.Sh AUTHORS 152The 153.Nm 154driver was written by 155.An Bill Paul Aq Mt william.paul@windriver.com . 156