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.\" 26.Dd July 16, 2005 27.Dt FWE 4 28.Os 29.Sh NAME 30.Nm fwe 31.Nd "Ethernet emulation driver for FireWire" 32.Sh SYNOPSIS 33To compile this driver into the kernel, 34place the following lines in your 35kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device firewire" 38.Cd "device fwe" 39.Ed 40.Pp 41Alternatively, to load the driver as a 42module at boot time, place the following line in 43.Xr loader.conf 5 : 44.Bd -literal -offset indent 45if_fwe_load="YES" 46.Ed 47.Sh DESCRIPTION 48The 49.Nm 50driver provides non-standard Ethernet emulation over FireWire (IEEE 1394). 51.Pp 52.Xr firewire 4 53and 54.Xr fwohci 4 55must be configured in the kernel as well. 56.Pp 57This driver exploits asynchronous stream over IEEE 1394 to carry Ethernet 58frames. 59The stream channel can be specified by 60the 61.Va hw.firewire.fwe.stream_ch 62.Xr sysctl 8 . 63.Pp 64This driver supports 65.Xr polling 4 66as well if it is compiled with the 67.Dv DEVICE_POLLING 68option. 69.Sh SEE ALSO 70.Xr arp 4 , 71.Xr firewire 4 , 72.Xr fwip 4 , 73.Xr fwohci 4 , 74.Xr netintro 4 , 75.Xr ng_ether 4 , 76.Xr polling 4 , 77.Xr ifconfig 8 , 78.Xr kldload 8 , 79.Xr sysctl 8 80.Sh HISTORY 81The 82.Nm 83device driver first appeared in 84.Fx 5.0 . 85.Sh AUTHORS 86The 87.Nm 88driver and this manual page were written by 89.An Hidetoshi Shimokawa . 90.Sh BUGS 91This driver emulates Ethernet in a very adhoc way and it does not reserve a 92stream channel using an isochronous manager. 93Note that this driver uses a protocol which is very different from RFC 2734 94(IPv4 over IEEE 1394). 95