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RUN(4)			  OpenBSD Programmer's Manual			RUN(4)

NAME
     run - Ralink Technology USB IEEE 802.11a/g/n wireless network device

SYNOPSIS
     run* at uhub? port ?

DESCRIPTION
     The run driver supports USB 2.0 wireless adapters based on the Ralink
     RT2700U, RT2800U and RT3000U chipsets.

     The RT2700U chipset consists of two integrated chips, an RT2770 MAC/BBP
     and an RT2720 (1T2R) or RT2750 (dual-band 1T2R) radio transceiver.

     The RT2800U chipset consists of two integrated chips, an RT2870 MAC/BBP
     and an RT2820 (2T3R) or RT2850 (dual-band 2T3R) radio transceiver.

     The RT3000U is a single-chip solution based on an RT3070 MAC/BBP and an
     RT3020 (1T1R), RT3021 (1T2R), RT3022 (2T2R) or RT3052 (dual-band 2T2R)
     radio transceiver.

     These are the modes the run 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 run 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 run driver offloads
     both encryption and decryption of data frames to the hardware for the
     WEP40, WEP104, TKIP(+MIC) and CCMP ciphers.

     The run driver can be configured at runtime with ifconfig(8) or on boot
     with hostname.if(5).

FILES
     The driver needs the following firmware files, which are loaded when an
     interface is brought up:

	   /etc/firmware/run-rt2870
	   /etc/firmware/run-rt3071

HARDWARE
     The following adapters should work:

	   Airlink101 AWLL6090
	   ASUS USB-N11
	   ASUS USB-N13
	   ASUS WL-160N
	   Belkin F5D8051 ver 3000
	   Belkin F5D8053
	   Belkin F5D8055
	   Belkin F6D4050 ver 1
	   Belkin F6D4050 ver 2
	   Buffalo WLI-UC-AG300N
	   Buffalo WLI-UC-G300N
	   Buffalo WLI-UC-GN
	   Buffalo WLI-UC-GNHP
	   Buffalo WLI-UC-GNM
	   Corega CG-WLUSB2GNL
	   Corega CG-WLUSB2GNR
	   Corega CG-WLUSB300AGN
	   Corega CG-WLUSB300GNM
	   D-Link DWA-130 rev B1
	   D-Link DWA-140
	   DrayTek Vigor N61
	   Edimax EW-7711UAn
	   Edimax EW-7711UTn
	   Edimax EW-7717Un
	   Edimax EW-7718Un
	   Gigabyte GN-WB30N
	   Gigabyte GN-WB31N
	   Gigabyte GN-WB32L
	   Hawking HWDN1
	   Hawking HWUN1
	   Hawking HWUN2
	   Hercules HWNU-300
	   Linksys WUSB54GC v3
	   Linksys WUSB600N
	   Logitec gLAN-W150NU2BK
	   Mvix Nubbin MS-811N
	   Planex GW-USMicroN
	   Planex GW-US300MiniS
	   Sitecom WL-182
	   Sitecom WL-188
	   Sitecom WL-301
	   Sitecom WL-302
	   Sitecom WL-315
	   SMC SMCWUSBS-N2
	   Sweex LW153
	   Sweex LW303
	   Sweex LW313
	   Unex DNUR-81
	   Unex DNUR-82
	   ZyXEL NWD210N
	   ZyXEL NWD2205
	   ZyXEL NWD270N

EXAMPLES
     The following hostname.if(5) example configures run0 to join whatever
     network is available on boot, using WEP key ``0x1deadbeef1'', channel 11,
     obtaining an IP address using DHCP:

	   dhcp NONE NONE NONE nwkey 0x1deadbeef1 chan 11

     Configure run0 to join network ``my_net'' using WPA with passphrase
     ``my_passphrase'':

	   # ifconfig run0 nwid my_net wpakey my_passphrase

     Join an existing BSS network, ``my_net'':

	   # ifconfig run0 192.168.1.1 netmask 0xffffff00 nwid my_net

DIAGNOSTICS
     run%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.

     run%d: could not load 8051 microcode  An error occurred while attempting
     to upload the microcode to the onboard 8051 microcontroller unit.

     run%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), intro(4), netintro(4), usb(4), hostname.if(5),
     ifconfig(8)

     Ralink Technology: http://www.ralinktech.com/

HISTORY
     The run driver first appeared in OpenBSD 4.5.

AUTHORS
     The run driver was written by Damien Bergamini <damien@openbsd.org>.

CAVEATS
     The run driver does not support any of the 802.11n capabilities offered
     by the RT2800 and RT3000 chipsets.	 Additional work is required in
     ieee80211(9) before those features can be supported.

OpenBSD 4.9		       January 10, 2011			   OpenBSD 4.9

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