diff options
Diffstat (limited to 'share/man/man4/otus.4')
| -rw-r--r-- | share/man/man4/otus.4 | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/share/man/man4/otus.4 b/share/man/man4/otus.4 new file mode 100644 index 00000000000..029985a3edf --- /dev/null +++ b/share/man/man4/otus.4 @@ -0,0 +1,175 @@ +.\" $OpenBSD: otus.4,v 1.1 2009/03/23 21:53:58 damien Exp $ +.\" +.\" Copyright (c) 2009 Damien Bergamini <damien.bergamini@free.fr> +.\" +.\" Permission to use, copy, modify, and distribute this software for any +.\" purpose with or without fee is hereby granted, provided that the above +.\" copyright notice and this permission notice appear in all copies. +.\" +.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +.\" +.Dd $Mdocdate: March 23 2009 $ +.Os +.Dt OTUS 4 +.Sh NAME +.Nm otus +.Nd Atheros USB IEEE 802.11a/b/g/Draft-N wireless network device +.Sh SYNOPSIS +.Cd "otus* at uhub? port ?" +.Sh DESCRIPTION +The +.Nm +driver supports USB 2.0 wireless network devices based on Atheros +Communications AR9001U chipset. +.Pp +The AR9001U chipset is made of an AR9170 MAC/Baseband +and an AR9101 (1T1R), AR9102 (2T2R) or AR9104 (dual-band 2T2R) +Radio. +.Pp +These are the modes the +.Nm +driver can operate in: +.Bl -tag -width "IBSS-masterXX" +.It BSS mode +Also known as +.Em infrastructure +mode, this is used when associating with an access point, through +which all traffic passes. +This mode is the default. +.It 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. +.El +.Pp +The +.Nm +driver can be configured to use +Wireless 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. +.Pp +The +.Nm +driver can be configured at runtime with +.Xr ifconfig 8 +or on boot with +.Xr hostname.if 5 . +.Sh FILES +The driver needs at least version 1.0 of the following firmware files, +which are loaded when an interface is attached: +.Pp +.Bl -tag -width Ds -offset indent -compact +.It /etc/firmware/otus-init +.It /etc/firmware/otus-main +.El +.Pp +Although these firmware files are freely redistributable, their usage +is restricted. +A prepackaged version of the firmware, designed to be used with +.Xr pkg_add 1 , +can be found at: +.Pp +.Pa http://damien.bergamini.free.fr/packages/openbsd/otus-firmware-1.0.tgz +.Sh HARDWARE +The following adapters should work: +.Pp +.Bl -tag -width Ds -offset indent -compact +.It Arcadyan WN7512 +.It AVM FRITZ!WLAN USB Stick N +.It D-Link DWA-160A +.It IO-Data WN-GDN/US2 +.It Netgear WNDA3100 +.It Netgear WN111 v2 +.It Planex GW-US300 +.It TP-Link TL-WN821N +.It Ubiquiti SR71 USB +.It Z-Com UB81 +.It Z-Com UB82 +.El +.Sh EXAMPLES +The following +.Xr hostname.if 5 +example configures otus0 to join whatever network is available on boot, +using WEP key +.Dq 0x1deadbeef1 , +channel 11, obtaining an IP address using DHCP: +.Bd -literal -offset indent +dhcp NONE NONE NONE nwkey 0x1deadbeef1 chan 11 +.Ed +.Pp +Configure otus0 to join network +.Dq my_net +using WPA-PSK with passphrase +.Dq my_passphrase : +.Bd -literal -offset indent +# ifconfig otus0 nwid my_net wpa wpapsk \e + `wpa-psk my_net my_passphrase` +.Ed +.Pp +Return otus0 to its default settings: +.Bd -literal -offset indent +# ifconfig otus0 -bssid -chan media autoselect \e + nwid "" -nwkey -wpa -wpapsk +.Ed +.Pp +Join an existing BSS network, +.Dq my_net : +.Bd -literal -offset indent +# ifconfig otus0 192.168.1.1 netmask 0xffffff00 nwid my_net +.Ed +.Sh DIAGNOSTICS +.Bl -diag +.It "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. +.It "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. +.El +.Sh SEE ALSO +.Xr arp 4 , +.Xr ifmedia 4 , +.Xr intro 4 , +.Xr netintro 4 , +.Xr usb 4 , +.Xr hostname.if 5 , +.Xr ifconfig 8 , +.Xr wpa-psk 8 +.Pp +Atheros Communications AR9001U-2NX/AR9001U-2NG/AR9001U-NG: +.Pa http://www.atheros.com/pt/bulletins/AR9001USBBulletin.pdf +.Sh HISTORY +The +.Nm +driver first appeared in +.Ox 4.6 . +.Sh AUTHORS +The +.Nm +driver was written by +.An Damien Bergamini Aq damien@openbsd.org +based on source code licensed under the ISC released in 2008 by Atheros +Communications for Linux. +.Sh CAVEATS +The +.Nm +driver does not support any of the 802.11n capabilities offered by the +AR9001U chipset. +Additional work is required in +.Xr ieee80211 9 +before those features can be supported. |