1.\" $OpenBSD: em.4,v 1.45 2009/12/13 21:55:39 sthen Exp $ 2.\" Copyright (c) 2002 Intel Corporation 3.\" All rights reserved. 4.\" Redistribution and use in source and binary forms of the Software, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code of the Software may retain the above 8.\" copyright notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form of the Software may reproduce the 10.\" above copyright notice, this list of conditions and the following 11.\" disclaimer in the documentation and/or other materials provided with the 12.\" distribution. 13.\" 3. Neither the name of the Intel Corporation nor the names of its contributors 14.\" shall be used to endorse or promote products derived from this Software 15.\" without specific prior written permission. 16.\" 17.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18.\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20.\" ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR ITS CONTRIBUTORS BE LIABLE 21.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 24.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25.\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 26.\" USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27.\" 28.\" * Other names and brands may be claimed as the property of others. 29.\" 30.\" $FreeBSD: em.4,v 1.18 2005/01/30 12:29:06 yar Exp $ 31.Dd $Mdocdate: December 13 2009 $ 32.Dt EM 4 33.Os 34.Sh NAME 35.Nm em 36.Nd Intel PRO/1000 10/100/Gigabit Ethernet device 37.Sh SYNOPSIS 38.Cd "em* at pci?" 39.Sh DESCRIPTION 40The 41.Nm 42driver provides support for PCI, PCI-X and PCI Express Gigabit Ethernet adapters 43based on the Intel 82540EM, 82540EP, 82541EI, 82541ER, 82541GI, 82541PI, 82542, 4482543GC, 82544EI, 82544GC, 82545EM, 82545GM, 82546EB, 82546GB, 82547EI, 82547GI, 4582562V, 82563EB, 82564EB, 82566DC, 82566DM, 82571EB, 82571GB, 82572EI, 82572GI, 4682573E, 82573L, 82573V, 82574L, 82575EB, 82575GB, 82576EB Ethernet controller 47chips and the embedded chips found on EP80579 platform, including the following: 48.Pp 49.Bl -item -offset indent -compact 50.It 51Axiomtek NA-200 EP80579 based board 52.It 53HP ProLiant NC110T PCI Express Gigabit NIC 54.It 55HP ProLiant NC112T PCI Express Gigabit NIC 56.It 57HP ProLiant NC310F PCI-X Gigabit NIC (SX Fiber) 58.It 59HP ProLiant NC340T PCI-X Quad Port Gigabit NIC 60.It 61HP ProLiant NC360T PCI Express Dual Port Gigabit NIC 62.It 63HP ProLiant NC364T PCI Express Quad Port Gigabit NIC 64.It 65HP ProLiant NC6132 Upgrade Module (SX Fiber) 66.It 67HP ProLiant NC6133 Upgrade Module (LX Fiber) 68.It 69HP ProLiant NC6134 PCI Gigabit NIC (SX Fiber) 70.It 71HP ProLiant NC6136 PCI Gigabit NIC (SX Fiber) 72.It 73HP ProLiant NC6170 PCI-X Gigabit NIC (SX Fiber) 74.It 75HP ProLiant NC7131 PCI Gigabit NIC 76.It 77HP ProLiant NC7132 Upgrade Module 78.It 79HP ProLiant NC7170 PCI-X Dual Port Gigabit NIC 80.It 81HP ProLiant NC7170LP PCI-X Dual Port Gigabit NIC 82.It 83Intel PRO/1000 Gigabit Server Adapter (SX Fiber) (PWLA8490) 84.It 85Intel PRO/1000F Gigabit Server Adapter (SX Fiber) (PWLA8490SX) 86.It 87Intel PRO/1000T Server Adapter (PWLA8490T) 88.It 89Intel PRO/1000XT Server Adapter (PWLA8490XT) 90.It 91Intel PRO/1000XS Server Adapter (SX Fiber) (PWLA8490XF) 92.It 93Intel PRO/1000T Desktop Adapter (PWLA8390T) 94.It 95Intel PRO/1000XTL Low Profile PCI Server (PWLA8490XTL) 96.It 97Intel PRO/1000MT Desktop Adapter (PWLA8390MT) 98.It 99Intel PRO/1000MT Server Adapter (PWLA8490MT) 100.It 101Intel PRO/1000MT Dual Port Server Adapter (PWLA8492MT) 102.It 103Intel PRO/1000MF Server Adapter (SX Fiber) (PWLA8490MF) 104.It 105Intel PRO/1000MF Dual Port Server Adapter (SX Fiber) (PWLA8492MF) 106.It 107Intel PRO/1000MF Server Adapter (LX Fiber) (PWLA8490LX) 108.It 109Intel PRO/1000MT Quad PCI-X Adapter (PWLA8494MT) 110.It 111Intel PRO/1000GT Quad PCI-X Adapter (PWLA8494GT) 112.It 113Intel PRO/1000PT Desktop Adapter 114.It 115Intel PRO/1000PT Server Adapter 116.It 117Intel PRO/1000PT Dual Port Server Adapter 118.It 119Intel PRO/1000PT Quad Port Server Adapter 120.It 121Intel PRO/1000PF Server Adapter (SX Fiber) 122.It 123Intel PRO/1000PF Dual Port Server Adapter (SX Fiber) 124.It 125Intel PRO/1000ET Dual Port Server Adapter 126.It 127Intel PRO/1000ET Quad Port Server Adapter 128.It 129Intel PRO/1000EF Quad Port Server Adapter (SX Fiber) 130.It 131Sun PCI-E Dual Gigabit Ethernet LP UTP Adapter 132.It 133Sun PCI-E Dual Gigabit Ethernet LP MMF Adapter 134.It 135Sun PCI-E Dual Gigabit Ethernet EM UTP Adapter 136.It 137Sun PCI-E Dual Gigabit Ethernet EM MMF Adapter 138.It 139Sun PCI-E Dual Gigabit Ethernet ExpressModule 140.It 141Sun x4 PCI-E Quad Gigabit Ethernet LP UTP Adapter 142.It 143Sun x4 PCI-E Quad Gigabit Ethernet ExpressModule 144.It 145Sun x8 PCI-E Quad Gigabit Ethernet ExpressModule 146.It 147Supermicro AOC-SG-i2 Dual Port Server Adapter 148.It 149Supermicro AOC-PG-I2+ Dual Port Server Adapter 150.El 151.Pp 152The 153.Nm 154driver supports IPv4 receive IP/TCP/UDP checksum offload on all but 15582542-based adapters, VLAN tag insertion and stripping, and Jumbo 156frames on all but 82562V, 82566DC/82566DM and 82573E/82573L/82573V-based 157adapters. 158The 82562V Ethernet controller chip only supports 10/100 media types. 159.Pp 160The 161.Nm 162driver supports the following media types: 163.Bl -tag -width autoselect -offset indent 164.It autoselect 165Enables auto-negotiation for speed and duplex. 166.It 10baseT Cm mediaopt No full-duplex 167Sets 10Mbps operation. 168.It 100baseTX Cm mediaopt No full-duplex 169Sets 100Mbps operation. 170.It 1000baseLX 171Sets 1000Mbps operation. 172Only full-duplex mode is supported at this speed. 173.It 1000baseSX 174Sets 1000Mbps operation. 175Only full-duplex mode is supported at this speed. 176.It 1000baseT 177Sets 1000Mbps operation. 178Only full-duplex mode is supported at this speed. 179.El 180.Pp 181For more information on configuring this device, see 182.Xr ifconfig 8 . 183.Sh SEE ALSO 184.Xr arp 4 , 185.Xr gcu 4 , 186.Xr ifmedia 4 , 187.Xr intro 4 , 188.Xr netintro 4 , 189.Xr pci 4 , 190.Xr hostname.if 5 , 191.Xr ifconfig 8 192.Sh HISTORY 193The 194.Nm 195device driver first appeared in 196.Ox 3.2 . 197.Sh AUTHORS 198The 199.Nm 200driver was written by 201.An Intel Corporation . 202.Sh BUGS 203There are known performance issues with this driver when running UDP traffic 204with Jumbo frames. 205.Pp 206There is a known compatibility issue where time to link is slow or link is not 207established between 82541/82547 controllers and some switches. 208Known switches include: 209.Pp 210.Bl -item -offset indent -compact 211.It 212I-O Data ETG-SH8 213.It 214Planex FXG-08TE 215.El 216