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 1.2.4.4 2003/12/25 22:47:38 brueffer Exp $ 26.\" $DragonFly: src/share/man/man4/fwe.4,v 1.4 2006/02/17 19:37:09 swildner Exp $ 27.\" 28.\" 29.Dd November 8, 2002 30.Dt FWE 4 31.Os 32.Sh NAME 33.Nm fwe 34.Nd Ethernet emulation driver for FireWire 35.Sh SYNOPSIS 36.Cd "kldload firewire" 37.Cd "kldload if_fwe" 38.Pp 39or 40.Pp 41.Cd "device fwe" 42.Cd "device firewire" 43.Cd "device fwohci" 44.Sh DESCRIPTION 45The 46.Nm 47driver provides non-standard ethernet emulation over FireWire (IEEE 1394). 48.Pp 49.Xr firewire 4 50and 51.Xr fwohci 4 52must be configured in the kernel as well. 53.Pp 54This driver exploits asynchronous stream over IEEE 1394 to carry Ethernet 55frames. 56The stream channel can be specified by 57the 58.Va hw.firewire.fwe.stream_ch 59.Xr sysctl 8 . 60.Pp 61This driver supports 62.Xr polling 4 63as well if it is compiled with the 64.Dv DEVICE_POLLING 65option. 66.Sh SEE ALSO 67.Xr arp 4 , 68.Xr firewire 4 , 69.Xr fwohci 4 , 70.Xr netintro 4 , 71.Xr ng_ether 4 , 72.Xr polling 4 , 73.Xr ifconfig 8 , 74.Xr kldload 8 , 75.Xr sysctl 8 76.Sh HISTORY 77The 78.Nm 79device driver first appeared in 80.Fx 5.0 . 81.Sh AUTHORS 82The 83.Nm 84driver and this manual page were written by 85.An Hidetoshi Shimokawa . 86.Sh BUGS 87This driver emulates ethernet in a very adhoc way and it does not reserve a 88stream channel using an isochronous manager. 89Note that this driver uses a protocol which is very different from RFC 2734 90(IPv4 over IEEE 1394). 91