1.\" Copyright (c) 2008 Weongyo Jeong 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 AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd November 15 2008 $ 28.Dt URTW 4 29.Os 30.Sh NAME 31.Nm urtw 32.Nd Realtek RTL8187L USB IEEE 802.11b/g wireless network device 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your kernel configuration file: 36.Bd -ragged -offset indent 37.Cd "device ehci" 38.Cd "device uhci" 39.Cd "device ohci" 40.Cd "device usb" 41.Cd "device urtw" 42.Cd "device wlan" 43.Ed 44.Pp 45Alternatively, to load the driver as a module at boot time, 46place the following line in 47.Xr loader.conf 5 : 48.Bd -literal -offset indent 49if_urtw_load="YES" 50.Ed 51.Sh DESCRIPTION 52The 53.Nm 54driver supports USB 802.11b/g wireless adapters based on the 55Realtek RTL8187L. 56.Pp 57.Nm 58supports 59.Cm station 60and 61.Cm monitor 62mode operation. 63Only one virtual interface may be configured at any time. 64For more information on configuring this device, see 65.Xr ifconfig 8 . 66.Sh HARDWARE 67The following adapters should work: 68.Pp 69.Bl -column "Card " "Radio " "Bus" -compact -offset 6n 70.It Em "Card Radio Bus" 71.It Li "Netgear WG111v2" Ta RTL8225 Ta USB 72.It Li "Safehome WLG-1500SMA5" Ta RTL8225 Ta USB 73.It Li "Shuttle XPC Accessory PN20" Ta RTL8225 Ta USB 74.El 75.Sh EXAMPLES 76Join an existing BSS network (i.e., connect to an access point): 77.Pp 78.Bd -literal -offset indent 79ifconfig wlan create wlandev urtw0 inet 192.168.0.20 \e 80 netmask 0xffffff00 81.Ed 82.Pp 83Join a specific BSS network with network name 84.Dq Li my_net : 85.Pp 86.Dl "ifconfig wlan create wlandev urtw0 ssid my_net up" 87.Pp 88Join a specific BSS network with 64-bit WEP encryption: 89.Bd -literal -offset indent 90ifconfig wlan create wlandev urtw0 ssid my_net \e 91 wepmode on wepkey 0x1234567890 weptxkey 1 up 92.Ed 93.Sh SEE ALSO 94.Xr intro 4 , 95.Xr netintro 4 , 96.Xr usb 4 , 97.Xr wlan 4 , 98.Xr wlan_ccmp 4 , 99.Xr wlan_tkip 4 , 100.Xr wlan_wep 4 , 101.Xr ifconfig 8 , 102.Xr wpa_supplicant 8 103.Rs 104.%T Realtek 105.%O http://www.realtek.com.tw 106.Re 107.Sh HISTORY 108The 109.Nm 110device driver first appeared in 111.Fx 8.0 . 112.Sh AUTHORS 113.An -nosplit 114The 115.Nm 116driver was written by 117.An Weongyo Jeong 118.Aq weongyo@FreeBSD.org . 119