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 July 16, 2005 29.Dt FWE 4 30.Os 31.Sh NAME 32.Nm fwe 33.Nd "Ethernet emulation driver for FireWire" 34.Sh SYNOPSIS 35To compile this driver into the kernel, 36place the following lines in your 37kernel configuration file: 38.Bd -ragged -offset indent 39.Cd "device firewire" 40.Cd "device fwe" 41.Ed 42.Pp 43Alternatively, to load the driver as a 44module at boot time, place the following line in 45.Xr loader.conf 5 : 46.Bd -literal -offset indent 47if_fwe_load="YES" 48.Ed 49.Sh DESCRIPTION 50The 51.Nm 52driver provides non-standard Ethernet emulation over FireWire (IEEE 1394). 53.Pp 54.Xr firewire 4 55and 56.Xr fwohci 4 57must be configured in the kernel as well. 58.Pp 59This driver exploits asynchronous stream over IEEE 1394 to carry Ethernet 60frames. 61The stream channel can be specified by 62the 63.Va hw.firewire.fwe.stream_ch 64.Xr sysctl 8 . 65.Pp 66This driver supports 67.Xr polling 4 68as well if it is compiled with the 69.Dv DEVICE_POLLING 70option. 71.Sh SEE ALSO 72.Xr arp 4 , 73.Xr firewire 4 , 74.Xr fwip 4 , 75.Xr fwohci 4 , 76.Xr netintro 4 , 77.Xr ng_ether 4 , 78.Xr polling 4 , 79.Xr ifconfig 8 , 80.Xr kldload 8 , 81.Xr sysctl 8 82.Sh HISTORY 83The 84.Nm 85device driver first appeared in 86.Fx 5.0 . 87.Sh AUTHORS 88The 89.Nm 90driver and this manual page were written by 91.An Hidetoshi Shimokawa . 92.Sh BUGS 93This driver emulates Ethernet in a very adhoc way and it does not reserve a 94stream channel using an isochronous manager. 95Note that this driver uses a protocol which is very different from RFC 2734 96(IPv4 over IEEE 1394). 97