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.\" $FreeBSD$ 26.\" 27.\" 28.Dd December 14, 2004 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 firewire" 41.Cd "device fwe" 42.Sh DESCRIPTION 43The 44.Nm 45driver provides non-standard Ethernet emulation over FireWire (IEEE 1394). 46.Pp 47.Xr firewire 4 48and 49.Xr fwohci 4 50must be configured in the kernel as well. 51.Pp 52This driver exploits asynchronous stream over IEEE 1394 to carry Ethernet 53frames. 54The stream channel can be specified by 55the 56.Va hw.firewire.fwe.stream_ch 57.Xr sysctl 8 . 58.Pp 59This driver supports 60.Xr polling 4 61as well if it is compiled with the 62.Dv DEVICE_POLLING 63option. 64.Sh SEE ALSO 65.Xr arp 4 , 66.Xr firewire 4 , 67.Xr fwip 4 , 68.Xr fwohci 4 , 69.Xr netintro 4 , 70.Xr ng_ether 4 , 71.Xr polling 4 , 72.Xr ifconfig 8 , 73.Xr kldload 8 , 74.Xr sysctl 8 75.Sh HISTORY 76The 77.Nm 78device driver first appeared in 79.Fx 5.0 . 80.Sh AUTHORS 81The 82.Nm 83driver and this manual page were written by 84.An Hidetoshi Shimokawa . 85.Sh BUGS 86This driver emulates Ethernet in a very adhoc way and it does not reserve a 87stream channel using an isochronous manager. 88Note that this driver uses a protocol which is very different from RFC 2734 89(IPv4 over IEEE 1394). 90