1.\" $NetBSD: wm.4,v 1.5 2002/08/22 18:16:13 thorpej Exp $ 2.\" 3.\" Copyright 2002 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 27, 2002 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. The interfaces supported by 52the 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 i82545EM 1000BASE-T Ethernet 74.It 75Intel i82546EB 1000BASE-T Ethernet 76.Pq dual-port 77.It 78Intel i82545EM 1000BASE-X Ethernet 79.It 80Intel i82546EB 1000BASE-X Ethernet 81.Pq dual-port 82.It 83Intel i82540EM (LOM) 1000BASE-T Ethernet 84.El 85.Pp 86In addition to Intel's own 87.Dq PRO/1000 88line of Gigabit Ethernet interfaces, these chips also appear on 89some server systems, processor evaluation boards, and in embedded 90systems. 91.Pp 92The i8254x supports IPv4/TCP/UDP checksumming in hardware. The 93.Nm 94driver supports this feature of the chip. See 95.Xr ifconfig 8 96for information on how to enable this feature. 97.\" .Sh DIAGNOSTICS 98.\" XXX too be done. 99.Sh SEE ALSO 100.Xr arp 4 , 101.Xr ifmedia 4 , 102.Xr mii 4 , 103.Xr netintro 4 , 104.Xr pci 4 , 105.Xr ifconfig 8 106.Sh HISTORY 107The 108.Nm 109driver first appeared in 110.Nx 1.6 . 111.Sh AUTHORS 112The 113.Nm 114driver was written by 115.An Jason R. Thorpe Aq thorpej@wasabisystems.com . 116