12-20-2007
Quote:
Originally Posted by
Timmy66
I've just installed OpenBSD on my laptop (IBM Thinkpad T42) and since this is my first time with wireless networking in OpenBSD I'm a bit lost.
What I would like to do is connect to a wireless network using WEP or WPA. Where do I place the key and essid?
A man page like ifconfig's tells you all sorts of things. There is no WPA available on OpenBSD at this point, it's half-implmented, wpa_supplicant is in the ports tree, but only works on wired connections.
The OpenBSD Reference may help you if you cannot read man pages, but really, if you're not reading man pages, you should really be running something else.
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OTUS(4) BSD Kernel Interfaces Manual OTUS(4)
NAME
otus -- Atheros USB IEEE 802.11a/g/n wireless network device
SYNOPSIS
otus* at uhub? port ?
DESCRIPTION
The otus driver supports USB 2.0 wireless network devices based on Atheros Communications AR9001U chipset.
The AR9001U chipset is made of an AR9170 MAC/Baseband and an AR9101 (1T2R), AR9102 (2T2R) or AR9104 (dual-band 2T2R) Radio.
These are the modes the otus driver can operate in:
BSS mode Also known as infrastructure mode, this is used when associating with an access point, through which all traffic passes. This
mode is the default.
monitor mode In this mode the driver is able to receive packets without associating with an access point. This disables the internal
receive filter and enables the card to capture packets from networks which it wouldn't normally have access to, or to scan for
access points.
The otus driver can be configured to use Wired Equivalent Privacy (WEP) or Wi-Fi Protected Access (WPA-PSK and WPA2-PSK). WPA is the de
facto encryption standard for wireless networks. It is strongly recommended that WEP not be used as the sole mechanism to secure wireless
communication, due to serious weaknesses in it.
The otus driver can be configured at runtime with ifconfig(8) or on boot with ifconfig.if(5).
FILES
The driver needs at least version 1.0 of the following firmware files, which are loaded when an interface is attached:
/libdata/firmware/if_otus/otus-init
/libdata/firmware/if_otus/otus-main
Although these firmware files are freely redistributable, their usage is restricted.
HARDWARE
The following adapters should work:
Arcadyan WN7512
CACE AirPcap Nx
D-Link DWA-130 rev D1
D-Link DWA-160 rev A1
D-Link DWA-160 rev A2
IO-Data WN-GDN/US2
NEC Aterm WL300NU-G
Netgear WNDA3100
Netgear WN111 v2
Planex GW-US300
SMC SMCWUSB-N2
TP-Link TL-WN821N
Ubiquiti SR71 USB
Unex DNUA-81
Z-Com UB81
Z-Com UB82
ZyXEL NWD-271N
EXAMPLES
The following ifconfig.if(5) example configures otus0 to join whatever network is available on boot, using WEP key ``0x1deadbeef1'', channel
11, obtaining an IP address using DHCP:
nwkey 0x1deadbeef1 chan 11
dhcp
Join an existing BSS network, ``my_net'':
# ifconfig otus0 192.168.1.1 netmask 0xffffff00 nwid my_net
To use WPA, see wpa_supplicant(8) and wpa_supplicant.conf(5).
DIAGNOSTICS
otus%d: error %d, could not read firmware %s For some reason, the driver was unable to read the microcode file from the filesystem. The
file might be missing or corrupted.
otus%d: device timeout A frame dispatched to the hardware for transmission did not complete in time. The driver will reset the hardware.
This should not happen.
SEE ALSO
arp(4), ifmedia(4), netintro(4), usb(4), wpa_supplicant.conf(5), ifconfig(8), wpa_supplicant(8),
Atheros Communications AR9001U-2NX/AR9001U-2NG/AR9001U-NG: http://www.atheros.com/pt/bulletins/AR9001USBBulletin.pdf
HISTORY
The otus driver first appeared in OpenBSD 4.6. It was ported to NetBSD by Anon Ymous and first appeared in NetBSD 6.0.
AUTHORS
The otus driver was written by Damien Bergamini <damien@openbsd.org> based on source code licensed under the ISC released in 2008 by Atheros
Communications for Linux.
CAVEATS
The AVM FRITZ!WLAN USB Stick N adapter is currently not supported.
The otus driver does not support any of the 802.11n capabilities offered by the AR9001U chipset. Additional work is required in ieee80211(9)
before those features can be supported.
The otus driver also does not currently support EDCA as this is missing in the NetBSD network stack. The hooks for it are in the driver
code.
BSD
November 4, 2010 BSD