1.\" $NetBSD: wm.4,v 1.13 2005/03/19 13:00:55 wiz Exp $ 2.\" 3.\" Copyright 2002, 2003 Wasabi Systems, Inc. 4.\" All rights reserved. 5.\" 6.\" Written by Jason R. Thorpe for Wasabi Systems, Inc. 7.\" 8.\" Redistribution and use in source and binary forms, with or without 9.\" modification, are permitted provided that the following conditions 10.\" are met: 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 2. Redistributions in binary form must reproduce the above copyright 14.\" notice, this list of conditions and the following disclaimer in the 15.\" documentation and/or other materials provided with the distribution. 16.\" 3. All advertising materials mentioning features or use of this software 17.\" must display the following acknowledgement: 18.\" This product includes software developed for the NetBSD Project by 19.\" Wasabi Systems, Inc. 20.\" 4. The name of Wasabi Systems, Inc. may not be used to endorse 21.\" or promote products derived from this software without specific prior 22.\" written permission. 23.\" 24.\" THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 25.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 26.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 27.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 28.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 29.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 30.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 31.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 32.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 33.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 34.\" POSSIBILITY OF SUCH DAMAGE. 35.\" 36.Dd March 19, 2005 37.Dt WM 4 38.Os 39.Sh NAME 40.Nm wm 41.Nd Intel i8254x Gigabit Ethernet driver 42.Sh SYNOPSIS 43.Cd "wm* at pci? dev ? function ?" 44.Pp 45Configuration of PHYs may also be necessary. See 46.Xr mii 4 . 47.Sh DESCRIPTION 48The 49.Nm 50device driver supports Gigabit Ethernet interfaces based on the Intel 51i8254x family of Gigabit Ethernet chips. 52The interfaces supported by the 53.Nm 54driver include: 55.Bl -bullet 56.It 57Intel i82542 1000BASE-X Ethernet 58.It 59Intel i82543GC 1000BASE-X Ethernet 60.It 61Intel i82543GC 1000BASE-T Ethernet 62.It 63Intel i82544EI 1000BASE-T Ethernet 64.It 65Intel i82544EI 1000BASE-X Ethernet 66.It 67Intel i82544GC 1000BASE-T Ethernet 68.It 69Intel i82544GC (LOM) 1000BASE-T Ethernet 70.It 71Intel i82540EM 1000BASE-T Ethernet 72.It 73Intel i82540EM (LOM) 1000BASE-T Ethernet 74.It 75Intel i82540EP 1000BASE-T Ethernet 76.It 77Intel i82541EI 1000BASE-T Ethernet 78.It 79Intel i82541EI (Mobile) 1000BASE-T Ethernet 80.It 81Intel i82541ER 1000BASE-T Ethernet 82.It 83Intel i82541GI 1000BASE-T Ethernet 84.It 85Intel i82541PI 1000BASE-T Ethernet 86.It 87Intel i82545EM 1000BASE-T Ethernet 88.It 89Intel i82545EM 1000BASE-X Ethernet 90.It 91Intel i82545GB 1000BASE-T Ethernet 92.It 93Intel i82545GB 1000BASE-X Ethernet 94.It 95Intel i82546EB 1000BASE-T Ethernet 96.Pq dual-port 97.It 98Intel i82546EB 1000BASE-X Ethernet 99.Pq dual-port 100.It 101Intel i82546GB 1000BASE-T Ethernet 102.Pq dual-port 103.It 104Intel i82546GB 1000BASE-X Ethernet 105.Pq dual-port 106.It 107Intel i82547EI 1000BASE-T Ethernet 108.Pq CSA 109.It 110Intel i82547GI 1000BASE-T Ethernet 111.Pq CSA 112.El 113.Pp 114In addition to Intel's own 115.Dq PRO/1000 116line of Gigabit Ethernet interfaces, these chips also appear on 117some server systems, processor evaluation boards, and in embedded 118systems. 119.Pp 120The i8254x supports IPv4/TCP/UDP checksumming and TCP segmentation 121in hardware. 122The 123.Nm 124driver supports these features of the chip. 125See 126.Xr ifconfig 8 127for information on how to enable this feature. 128.\" .Sh DIAGNOSTICS 129.\" XXX to be done. 130.Sh SEE ALSO 131.Xr arp 4 , 132.Xr ifmedia 4 , 133.Xr mii 4 , 134.Xr netintro 4 , 135.Xr pci 4 , 136.Xr ifconfig 8 137.Sh HISTORY 138The 139.Nm 140driver first appeared in 141.Nx 1.6 . 142.Sh AUTHORS 143The 144.Nm 145driver was written by 146.An Jason R. Thorpe Aq thorpej@wasabisystems.com . 147.Sh BUGS 148The Intel i82545GM and i82546GB controllers with internal SERDES are 149not currently supported. 150