1.\" $OpenBSD: nge.4,v 1.34 2008/10/28 06:27:28 brad Exp $ 2.\" Copyright (c) 2001 Wind River Systems 3.\" Copyright (c) 1997, 1998, 1999, 2000, 2001 4.\" Bill Paul <wpaul@bsdi.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: nge.4,v 1.11 2002/08/08 18:30:39 ambrisko Exp $ 34.\" 35.Dd $Mdocdate: October 28 2008 $ 36.Dt NGE 4 37.Os 38.Sh NAME 39.Nm nge 40.Nd National Semiconductor PCI 10/100/Gigabit Ethernet device 41.Sh SYNOPSIS 42.Cd "nge* at pci?" 43.Cd "nsgphy* at mii?" 44.Sh DESCRIPTION 45The 46.Nm 47driver provides support for various NICs based on the National Semiconductor 48DP83820 and DP83821 Gigabit Ethernet controller chips, including the 49following: 50.Pp 51.Bl -bullet -compact 52.It 53Addtron AEG320T 54.It 55Ark PC SOHO-GA2500T (32-bit PCI) and SOHO-GA2000T (64-bit PCI) 56.It 57Asante FriendlyNet GigaNIX 1000TA and 1000TPC 58.It 59D-Link DGE-500T 60.It 61Linksys EG1032v1 (32-bit PCI) and EG1064v1 (64-bit PCI) 62.It 63Netgear GA621 64.It 65Netgear GA622T 66.It 67SMC EZ Card 1000 (SMC9462TX) 68.It 69Surecom Technology EP-320G-TX 70.It 71TRENDnet TEG-PCITX (32-bit PCI) and TEG-PCITX2 (64-bit PCI) 72.El 73.Pp 74The 75.Nm 76driver supports IPv4 receive IP/TCP/UDP checksum offload, VLAN tag 77insertion and stripping, as well as a 2048-bit multicast hash filter 78and up to 4 pattern match buffers. 79.Pp 80The 81.Nm 82driver also supports Jumbo frames, which can be configured via the 83interface MTU setting. 84Selecting an MTU larger than 1500 bytes with the 85.Xr ifconfig 8 86utility configures the adapter to receive and transmit Jumbo frames. 87Using Jumbo frames can greatly improve performance for certain tasks, 88such as file transfers and data streaming. 89.Pp 90The 91.Nm 92driver supports the following media types: 93.Bl -tag -width full-duplex 94.It Cm autoselect 95Enable autoselection of the media type and options. 96The user can manually override 97the autoselected mode by adding media options to the appropriate 98.Xr hostname.if 5 99file. 100.It Cm 10baseT 101Set 10Mbps operation. 102The 103.Xr ifconfig 8 104.Ic mediaopt 105option can also be used to select either 106.Cm full-duplex 107or 108.Cm half-duplex 109modes. 110.It Cm 100baseTX 111Set 100Mbps (Fast Ethernet) operation. 112The 113.Xr ifconfig 8 114.Ic mediaopt 115option can also be used to select either 116.Cm full-duplex 117or 118.Cm half-duplex 119modes. 120.It Cm 1000baseT 121Set 1000baseT operation over twisted pair. 122Both 123.Cm full-duplex 124and 125.Cm half-duplex 126modes are supported. 127.It Cm 1000baseSX 128Set 1000Mbps (Gigabit Ethernet) operation. 129Both 130.Cm full-duplex 131and 132.Cm half-duplex 133modes are supported. 134.El 135.Pp 136The 137.Nm 138driver supports the following media options: 139.Bl -tag -width full-duplex 140.It Cm full-duplex 141Force full duplex operation. 142.It Cm half-duplex 143Force half duplex operation. 144.El 145.Pp 146For more information on configuring this device, see 147.Xr ifconfig 8 . 148.Sh SEE ALSO 149.Xr arp 4 , 150.Xr ifmedia 4 , 151.Xr intro 4 , 152.Xr netintro 4 , 153.Xr nsgphy 4 , 154.Xr pci 4 , 155.Xr hostname.if 5 , 156.Xr ifconfig 8 157.Rs 158.%T National Semiconductor DP83820 datasheet 159.%O http://www.national.com 160.Re 161.Rs 162.%T National Semiconductor DP83861 datasheet 163.%O http://www.national.com 164.Re 165.Sh HISTORY 166The 167.Nm 168device driver first appeared in 169.Ox 3.0 . 170.Sh AUTHORS 171The 172.Nm 173driver was written by 174.An Bill Paul Aq wpaul@bsdi.com . 175