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 support for the 42.Nm 43driver into your kernel, place the following lines in your 44kernel configuration file: 45.Bd -ragged -offset indent 46.Cd "device miibus" 47.Cd "device lge" 48.Ed 49.Pp 50Alternatively, to load the 51.Nm 52driver at boot time, place the following line in 53.Xr loader.conf 5 : 54.Bd -literal -offset indent 55if_lge_load="YES" 56.Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver provides support for various NICs based on the Level 1 LXT1001 61NetCellerator Gigabit Ethernet controller chip. 62.Pp 63The LXT1001 supports fiber PHYs and also a GMII port for use with 6410/100/1000 copper PHYs, however there are currently no NICs on the 65market that use this feature. 66.Pp 67The LXT1001 supports TCP/IP checksum offload for receive and 68VLAN-based filtering as well as a 64-bit multicast hash filter. 69It also supports jumbo frames, which can be configured 70via the interface MTU setting. 71Selecting an MTU larger than 1500 bytes with the 72.Xr ifconfig 8 73utility configures the adapter to receive and transmit jumbo frames. 74Using jumbo frames can greatly improve performance for certain tasks, 75such as file transfers and data streaming. 76.Pp 77The 78.Nm 79driver supports the following media types: 80.Bl -tag -width ".Cm 1000baseSX" 81.It Cm autoselect 82Enable autoselection of the media type and options. 83The user can manually override 84the autoselected mode by adding media options to 85.Xr rc.conf 5 . 86.It Cm 1000baseSX 87Set 1000baseSX operation over fiber optic cable. 88Both 89.Cm full-duplex 90and 91.Cm half-duplex 92modes are supported. 93.El 94.Pp 95The 96.Nm 97driver supports the following media options: 98.Bl -tag -width ".Cm full-duplex" 99.It Cm full-duplex 100Force full duplex operation. 101.It Cm half-duplex 102Force half duplex operation. 103.El 104.Pp 105For more information on configuring this device, see 106.Xr ifconfig 8 . 107.Sh HARDWARE 108Adapters supported by the 109.Nm 110driver include: 111.Pp 112.Bl -bullet -compact 113.It 114SMC TigerCard 1000 (SMC9462SX) 115.It 116D-Link DGE-500SX 117.El 118.Sh DIAGNOSTICS 119.Bl -diag 120.It "lge%d: couldn't map memory" 121A fatal initialization error has occurred. 122.It "lge%d: couldn't map ports" 123A fatal initialization error has occurred. 124.It "lge%d: couldn't map interrupt" 125A fatal initialization error has occurred. 126.It "lge%d: no memory for softc struct!" 127The driver failed to allocate memory for per-device instance information 128during initialization. 129.It "lge%d: failed to enable memory mapping!" 130The driver failed to initialize PCI shared memory mapping. 131This might 132happen if the card is not in a bus-master slot. 133.It "lge%d: no memory for jumbo buffers!" 134The driver failed to allocate memory for jumbo frames during 135initialization. 136.It "lge%d: watchdog timeout" 137The device has stopped responding to the network, or there is a problem with 138the network connection (cable). 139.El 140.Sh SEE ALSO 141.Xr arp 4 , 142.Xr miibus 4 , 143.Xr netintro 4 , 144.Xr ng_ether 4 , 145.Xr ifconfig 8 146.Rs 147.%T Level 1 LXT1001 Programming Manual 148.%O http://www.FreeBSD.org/~wpaul/Level1/LXT1001SRM.pdf 149.Re 150.Sh HISTORY 151The 152.Nm 153device driver first appeared in 154.Fx 4.4 . 155.Sh AUTHORS 156The 157.Nm 158driver was written by 159.An Bill Paul Aq william.paul@windriver.com . 160