1.\" $OpenBSD: rum.4,v 1.16 2006/10/19 16:53:48 jsg Exp $ 2.\" $DragonFly: src/share/man/man4/rum.4,v 1.3 2007/01/02 23:42:20 swildner 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 85Edimax EW-7318USG 86.It 87Gigabyte GN-WB01GS 88.It 89Hawking HWUG1 90.It 91Linksys WUSB54G rev C 92.It 93Planex GW-USMM 94.It 95Senao NUB-3701 96.It 97Sitecom WL-113 ver 2 98.It 99Sitecom WL-172 100.It 101Sweex LW053 102.It 103TP-LINK TL-WN321G 104.El 105.Sh EXAMPLES 106Join an existing BSS network (i.e., connect to an access point): 107.Pp 108.Dl "ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00" 109.Pp 110Join a specific BSS network with network name 111.Dq Li my_net : 112.Pp 113.Dl "ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net" 114.Pp 115Join a specific BSS network with 40-bit WEP encryption: 116.Bd -literal -offset indent 117ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 118 wepmode on wepkey 0x1234567890 weptxkey 1 119.Ed 120.Pp 121Join a specific BSS network with 104-bit WEP encryption: 122.Bd -literal -offset indent 123ifconfig rum0 inet 192.168.0.20 netmask 0xffffff00 ssid my_net \e 124 wepmode on wepkey 0x01020304050607080910111213 weptxkey 1 125.Ed 126.Sh DIAGNOSTICS 127.Bl -diag 128.It "rum%d: could not load 8051 microcode" 129An error occurred while attempting to upload the microcode to the onboard 8051 130microcontroller unit. 131.It "rum%d: device timeout" 132The driver will reset the hardware. 133This should not happen. 134.El 135.Sh SEE ALSO 136.Xr arp 4 , 137.Xr netintro 4 , 138.Xr usb 4 , 139.Xr wlan 4 , 140.Xr ifconfig 8 141.Rs 142.%T "Ralink Technology" 143.%O http://www.ralinktech.com/ 144.Re 145.Sh HISTORY 146The 147.Nm 148driver first appeared in 149.Ox 4.0 . 150.Sh CAVEATS 151The 152.Nm 153driver supports automatic adaptation of the transmit speed in IBSS 154and HostAP operating modes, 155but it does not work well if there are more than one peer node. 156.Sh AUTHORS 157.An -nosplit 158The 159.Nm 160driver was written by 161.An Niall O'Higgins Aq niallo@openbsd.org 162and 163.An Damien Bergamini Aq damien@openbsd.org . 164