1.\" Copyright (c) 2002 Hidetoshi Shimokawa 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16.\" DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 17.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 22.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 23.\" POSSIBILITY OF SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/fwe.4,v 1.2.4.3 2003/03/03 18:51:16 trhodes Exp $ 26.\" 27.\" 28.Dd November 8, 2002 29.Dt FWE 4 30.Os 31.Sh NAME 32.Nm fwe 33.Nd Ethernet emulation driver for FireWire 34.Sh SYNOPSIS 35.Cd "kldload firewire" 36.Cd "kldload if_fwe" 37.Pp 38or 39.Pp 40.Cd "device fwe" 41.Cd "device firewire" 42.Cd "device fwohci" 43.Sh DESCRIPTION 44The 45.Nm 46driver provides non-standard ethernet emulation over FireWire (IEEE 1394). 47.Pp 48.Xr firewire 4 49and 50.Xr fwohci 4 51must be configured in the kernel as well. 52.Pp 53This driver exploits asynchronous stream over IEEE 1394 to carry Ethernet 54frames. 55The stream channel can be specified by 56the 57.Va hw.firewire.fwe.stream_ch 58.Xr sysctl 8 . 59.Pp 60This driver supports 61.Xr polling 4 62as well if it is compiled with the 63.Dv DEVICE_POLLING 64option. 65.Sh HISTORY 66The fwe device driver first appeared in 67.Fx 5.0 . 68.Sh BUGS 69This driver emulates ethernet very adhoc way and it does not reserve a 70stream channel using an isochronous manager. 71Note this driver uses very different protocol from RFC 2734 72(IPv4 over IEEE 1394). 73.Sh SEE ALSO 74.Xr arp 4 , 75.Xr firewire 4 , 76.Xr fwohci 4 , 77.Xr netintro 4 , 78.Xr ng_ether 4 , 79.Xr polling 4 , 80.Xr ifconfig 8 , 81.Xr kldload 8 , 82.Xr sysctl 8 83.Sh AUTHORS 84The 85.Nm 86driver and this manual page were written by 87.An Hidetoshi Shimokawa . 88