1.\" $OpenBSD: rum.4,v 1.16 2006/10/19 16:53:48 jsg Exp $ 2.\" $DragonFly: src/share/man/man4/rum.4,v 1.1 2006/12/10 05:03:20 sephe Exp $ 3.\" 4.\" Copyright (c) 2005, 2006 5.\" Damien Bergamini <damien.bergamini@free.fr> 6.\" 7.\" Permission to use, copy, modify, and distribute this software for any 8.\" purpose with or without fee is hereby granted, provided that the above 9.\" copyright notice and this permission notice appear in all copies. 10.\" 11.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18.\" 19.Dd November 26, 2006 20.Os 21.Dt RUM 4 22.Sh NAME 23.Nm rum 24.Nd "Ralink Technology RT2501USB/RT2601USB IEEE 802.11 driver" 25.Sh SYNOPSIS 26To compile this driver into the kernel, 27place the following lines in your 28kernel configuration file: 29.Bd -ragged -offset indent 30.Cd "device ehci" 31.Cd "device uhci" 32.Cd "device ohci" 33.Cd "device usb" 34.Cd "device rum" 35.Cd "device wlan" 36.Cd "device wlan_ratectl_onoe" 37.Ed 38.Pp 39Alternatively, to load the driver as a 40module at boot time, place the following line in 41.Xr loader.conf 5 : 42.Bd -literal -offset indent 43if_rum_load="YES" 44.Ed 45.Sh DESCRIPTION 46The 47.Nm 48driver supports USB 2.0 wireless adapters based on the Ralink RT2501USB 49and RT2601USB chipsets. 50.Pp 51The RT2501USB chipset is the second generation of 802.11a/b/g adapters 52from Ralink. 53It consists of two integrated chips, 54an RT2571W MAC/BBP and an RT2528 or RT5226 radio transceiver. 55.Pp 56The RT2601USB chipset consists of two integrated chips, 57an RT2671 MAC/BBP and an RT2527 or RT5225 radio transceiver. 58This chipset uses the MIMO (multiple-input multiple-output) technology with 59multiple antennas to extend the operating range of the adapter and to achieve 60higher throughput. 61MIMO is the basis of the forthcoming IEEE 802.11n standard. 62.Sh HARDWARE 63The 64.Nm 65driver supports the following adapters: 66.Pp 67.Bl -bullet -compact 68.It 69Airlink101 AWLL5025 70.It 71ASUS WL-167g ver 2 72.It 73Belkin F5D7050 ver 3 74.It 75Belkin F5D9050 ver 3 76.It 77CNet CWD-854 ver F 78.It 79Conceptronic C54RU ver 2 80.It 81D-Link DWL-G122 rev C1 82.It 83D-Link WUA-1340 84.It 85Gigabyte GN-WB01GS 86.It 87Hawking HWUG1 88.It 89Linksys WUSB54G rev C 90.It 91Planex GW-USMM 92.It 93Senao NUB-3701 94.It 95Sitecom WL-113 ver 2 96.It 97Sitecom WL-172 98.It 99TP-LINK TL-WN321G 100.El 101.Sh EXAMPLES 102Join an existing BSS network (i.e., connect to an access point): 103.Pp 104.Dl "ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00" 105.Pp 106Join a specific BSS network with network name 107.Dq Li my_net : 108.Pp 109.Dl "ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net" 110.Pp 111Join a specific BSS network with 40-bit WEP encryption: 112.Bd -literal -offset indent 113ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 114 wepmode on wepkey 0x1234567890 weptxkey 1 115.Ed 116.Pp 117Join a specific BSS network with 104-bit WEP encryption: 118.Bd -literal -offset indent 119ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 120 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 121.Ed 122.Sh DIAGNOSTICS 123.Bl -diag 124.It "rum%d: could not load 8051 microcode" 125An error occurred while attempting to upload the microcode to the onboard 8051 126microcontroller unit. 127.It "rum%d: device timeout" 128The driver will reset the hardware. 129This should not happen. 130.El 131.Sh SEE ALSO 132.Xr arp 4 , 133.Xr netintro 4 , 134.Xr usb 4 , 135.Xr wlan 4 , 136.Xr ifconfig 8 137.Rs 138.%T "Ralink Technology" 139.%O http://www.ralinktech.com/ 140.Re 141.Sh HISTORY 142The 143.Nm 144driver first appeared in 145.Ox 4.0 . 146.Sh CAVEATS 147.Pp 148The 149.Nm 150driver supports automatic adaptation of the transmit speed in IBSS 151and HostAP operating modes, 152but it does not work well if there are more than one peer node. 153.Sh AUTHORS 154.An -nosplit 155The 156.Nm 157driver was written by 158.An Niall O'Higgins Aq niallo@openbsd.org 159and 160.An Damien Bergamini Aq damien@openbsd.org . 161