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download PDF document: if_rum.4.pdf

RUM(4) FreeBSD Kernel Interfaces Manual RUM(4)
NAME rum - Ralink Technology USB IEEE 802.11a/b/g wireless network device
SYNOPSIS To compile this driver into the kernel, place the following lines in your kernel configuration file:
device ehci device uhci device ohci device usb device rum device wlan device wlan_amrr
Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5):
if_rum_load="YES"
DESCRIPTION The rum driver supports USB 2.0 and PCI Express Mini Card wireless adapters based on the Ralink RT2501USB and RT2601USB chipsets.
Ralink PCI Express Mini Card adapters show up as normal USB 2.0 devices and are thus handled by the rum driver.
The RT2501USB chipset is the second generation of 802.11a/b/g adapters from Ralink. It consists of two integrated chips, an RT2571W MAC/BBP and an RT2528 or RT5226 radio transceiver.
The RT2601USB chipset consists of two integrated chips, an RT2671 MAC/BBP and an RT2527 or RT5225 radio transceiver. This chipset uses the MIMO (multiple-input multiple-output) technology with multiple antennas to extend the operating range of the adapter and to achieve higher throughput.
All chips have hardware support for WEP, AES-CCM, TKIP, and Michael cryptographic operations.
rum supports station, adhoc, adhoc-demo, hostap, and monitor mode operation. Only one virtual interface may be configured at any time. For more information on configuring this device, see ifconfig(8).
HARDWARE The rum driver supports USB 2.0 wireless adapters based on the Ralink RT2501USB and RT2601USB chipsets, including:
Card Bus 3Com Aolynk WUB320g USB Abocom WUG2700 Ta USB Airlink101 AWLL5025 USB ASUS WL-167g ver 2 USB Belkin F5D7050 ver 3 USB Belkin F5D9050 ver 3 USB Buffalo WLI-U2-SG54HP USB Buffalo WLI-U2-SG54HG USB D-Link DWL-G122 rev C1 USB D-Link WUA-1340 USB Digitus DN-7003GR USB Edimax EW-7318USG USB Gigabyte GN-WB01GS USB Gigabyte GN-WI05GS USB Hawking HWUG1 USB Hawking HWU54DM USB Hercules HWGUSB2-54-LB USB Hercules HWGUSB2-54V2-AP USB LevelOne WNC-0301USB v3 USB Linksys WUSB54G rev C USB Linksys WUSB54GR USB Planex GW-US54HP USB Planex GW-US54Mini2 USB Planex GW-USMM USB Senao NUB-3701 USB Sitecom WL-113 ver 2 USB Sitecom WL-172 USB Sweex LW053 USB TP-LINK TL-WN321G v1/v2/v3 USB
EXAMPLES Join an existing BSS network (i.e., connect to an access point):
ifconfig wlan create wlandev rum0 inet 192.168.0.20 \ netmask 0xffffff00
Join a specific BSS network with network name "my_net":
ifconfig wlan create wlandev rum0 ssid my_net up
Join a specific BSS network with 64-bit WEP encryption:
ifconfig wlan create wlandev rum0 ssid my_net \ wepmode on wepkey 0x1234567890 weptxkey 1 up
Join a specific BSS network with 128-bit WEP encryption:
ifconfig wlan create wlandev rum0 wlanmode adhoc ssid my_net \ wepmode on wepkey 0x01020304050607080910111213 weptxkey 1
DIAGNOSTICS rum%d: could not load 8051 microcode An error occurred while attempting to upload the microcode to the onboard 8051 microcontroller unit. The driver will reset the hardware. This should not happen.
SEE ALSO intro(4), netintro(4), usb(4), wlan(4), wlan_amrr(4), wlan_ccmp(4), wlan_tkip(4), wlan_wep(4), wlan_xauth(4), hostapd(8), ifconfig(8), wpa_supplicant(8)
HISTORY The rum driver first appeared in OpenBSD 4.0.
AUTHORS The original rum driver was written by Niall O'Higgins <niallo@openbsd.org> and Damien Bergamini <damien@openbsd.org>.