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-<table class="head">
- <tr>
- <td class="head-ltitle">RAL(4)</td>
- <td class="head-vol">Device Drivers Manual</td>
- <td class="head-rtitle">RAL(4)</td>
- </tr>
-</table>
-<div class="manual-text">
-<section class="Sh">
-<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1>
-<p class="Pp"><code class="Nm">ral</code> &#x2014; <span class="Nd">Ralink
- Technology IEEE 802.11a/b/g wireless network driver</span></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
-<p class="Pp"><code class="Cd">ral* at cardbus?</code>
- <br/>
- <code class="Cd">ral* at pci?</code>
- <br/>
- <code class="Cd">ral* at uhub? port ?</code></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
-<p class="Pp">The <code class="Nm">ral</code> driver supports PCI/CardBus
- wireless adapters based on the Ralink RT2500, RT2501, and RT2600 chipsets.
- The <code class="Nm">ral</code> driver supports USB 2.0 wireless adapters
- based on the Ralink RT2500USB chipset.</p>
-<p class="Pp">The RT2500 chipset is the first generation of 802.11b/g adapters
- from Ralink. It consists of two integrated chips, an RT2560 or RT2570(USB)
- MAC/BBP and an RT2525 or RT2526(USB) radio transceiver.</p>
-<p class="Pp">The RT2501 chipset is the second generation of 802.11b/g adapters
- from Ralink. It consists of two integrated chips, an RT2561 MAC/BBP and an
- RT2527 radio transceiver. This chipset provides support for the IEEE 802.11e
- standard with multiple hardware transmission queues and allows
- scatter/gather for efficient DMA operations.</p>
-<p class="Pp">The RT2600 chipset consists of two integrated chips, an RT2661
- MAC/BBP and an RT2529 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. MIMO
- will be the basis of the future IEEE 802.11n standard.</p>
-<p class="Pp">These are the modes the <code class="Nm">ral</code> driver can
- operate in:</p>
-<dl class="Bl-tag">
- <dt id="infrastructure">BSS mode</dt>
- <dd>Also known as
- <a class="permalink" href="#infrastructure"><i class="Em">infrastructure</i></a>
- mode, this is used when associating with an access point, through which
- all traffic passes. This mode is the default.</dd>
- <dt id="IEEE">IBSS mode</dt>
- <dd>Also known as <a class="permalink" href="#IEEE"><i class="Em">IEEE
- ad-hoc</i></a> mode or
- <a class="permalink" href="#peer-to-peer"><i class="Em" id="peer-to-peer">peer-to-peer</i></a>
- mode. This is the standardized method of operating without an access
- point. Stations associate with a service set. However, actual connections
- between stations are peer-to-peer.</dd>
- <dt>Host AP</dt>
- <dd>In this mode the driver acts as an access point (base station) for other
- cards.</dd>
- <dt>monitor mode</dt>
- <dd>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.</dd>
-</dl>
-<p class="Pp"><code class="Nm">ral</code> supports software WEP. Wired
- Equivalent Privacy (WEP) is the de facto encryption standard for wireless
- networks. It can be typically configured in one of three modes: no
- encryption; 40-bit encryption; or 104-bit encryption. Unfortunately, due to
- serious weaknesses in WEP protocol it is strongly recommended that it not be
- used as the sole mechanism to secure wireless communication. WEP is not
- enabled by default.</p>
-<p class="Pp">The transmit speed is user-selectable or can be adapted
- automatically by the driver depending on the received signal strength and on
- the number of hardware transmission retries. See
- <a class="Xr">rssadapt(9)</a> for more information.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="CONFIGURATION"><a class="permalink" href="#CONFIGURATION">CONFIGURATION</a></h1>
-<p class="Pp">The <code class="Nm">ral</code> driver can be configured at
- runtime with <a class="Xr">ifconfig(8)</a> or on boot with
- <a class="Xr">ifconfig.if(5)</a> using the following parameters:</p>
-<dl class="Bl-tag">
- <dt id="bssid"><a class="permalink" href="#bssid"><code class="Cm">bssid</code></a>
- <var class="Ar">bssid</var></dt>
- <dd>Set the desired BSSID.</dd>
- <dt id="bssid~2"><a class="permalink" href="#bssid~2"><code class="Fl">-bssid</code></a></dt>
- <dd>Unset the desired BSSID. The interface will automatically select a BSSID
- in this mode, which is the default.</dd>
- <dt id="chan"><a class="permalink" href="#chan"><code class="Cm">chan</code></a>
- <var class="Ar">n</var></dt>
- <dd>Set the channel (radio frequency) to be used by the driver based on the
- given channel ID <var class="Ar">n</var>.</dd>
- <dt id="chan~2"><a class="permalink" href="#chan~2"><code class="Fl">-chan</code></a></dt>
- <dd>Unset the desired channel to be used by the driver. The driver will
- automatically select a channel in this mode, which is the default.</dd>
- <dt id="media"><a class="permalink" href="#media"><code class="Cm">media</code></a>
- <var class="Ar">media</var></dt>
- <dd>The <code class="Nm">ral</code> driver supports the following
- <var class="Ar">media</var> types:
- <p class="Pp"></p>
- <dl class="Bl-tag Bl-compact">
- <dt id="autoselect"><a class="permalink" href="#autoselect"><code class="Cm">autoselect</code></a></dt>
- <dd>Enable autoselection of the media type and options.</dd>
- <dt id="DS1"><a class="permalink" href="#DS1"><code class="Cm">DS1</code></a></dt>
- <dd>Set 802.11b DS 1Mbps operation.</dd>
- <dt id="DS2"><a class="permalink" href="#DS2"><code class="Cm">DS2</code></a></dt>
- <dd>Set 802.11b DS 2Mbps operation.</dd>
- <dt id="DS5"><a class="permalink" href="#DS5"><code class="Cm">DS5</code></a></dt>
- <dd>Set 802.11b DS 5.5Mbps operation.</dd>
- <dt id="DS11"><a class="permalink" href="#DS11"><code class="Cm">DS11</code></a></dt>
- <dd>Set 802.11b DS 11Mbps operation.</dd>
- <dt id="OFDM6"><a class="permalink" href="#OFDM6"><code class="Cm">OFDM6</code></a></dt>
- <dd>Set 802.11a/g OFDM 6Mbps operation.</dd>
- <dt id="OFDM9"><a class="permalink" href="#OFDM9"><code class="Cm">OFDM9</code></a></dt>
- <dd>Set 802.11a/g OFDM 9Mbps operation.</dd>
- <dt id="OFDM12"><a class="permalink" href="#OFDM12"><code class="Cm">OFDM12</code></a></dt>
- <dd>Set 802.11a/g OFDM 12Mbps operation.</dd>
- <dt id="OFDM18"><a class="permalink" href="#OFDM18"><code class="Cm">OFDM18</code></a></dt>
- <dd>Set 802.11a/g OFDM 18Mbps operation.</dd>
- <dt id="OFDM24"><a class="permalink" href="#OFDM24"><code class="Cm">OFDM24</code></a></dt>
- <dd>Set 802.11a/g OFDM 24Mbps operation.</dd>
- <dt id="OFDM36"><a class="permalink" href="#OFDM36"><code class="Cm">OFDM36</code></a></dt>
- <dd>Set 802.11a/g OFDM 36Mbps operation.</dd>
- <dt id="OFDM48"><a class="permalink" href="#OFDM48"><code class="Cm">OFDM48</code></a></dt>
- <dd>Set 802.11a/g OFDM 48Mbps operation.</dd>
- <dt id="OFDM54"><a class="permalink" href="#OFDM54"><code class="Cm">OFDM54</code></a></dt>
- <dd>Set 802.11a/g OFDM 54Mbps operation.</dd>
- </dl>
- </dd>
- <dt id="mediaopt"><a class="permalink" href="#mediaopt"><code class="Cm">mediaopt</code></a>
- <var class="Ar">opts</var></dt>
- <dd>The <code class="Nm">ral</code> driver supports the following media
- options:
- <p class="Pp"></p>
- <dl class="Bl-tag Bl-compact">
- <dt id="hostap"><a class="permalink" href="#hostap"><code class="Cm">hostap</code></a></dt>
- <dd>Select Host AP operation.</dd>
- <dt id="ibss"><a class="permalink" href="#ibss"><code class="Cm">ibss</code></a></dt>
- <dd>Select IBSS operation.</dd>
- <dt id="monitor"><a class="permalink" href="#monitor"><code class="Cm">monitor</code></a></dt>
- <dd>Select monitor mode.</dd>
- </dl>
- </dd>
- <dt id="mediaopt~2"><a class="permalink" href="#mediaopt~2"><code class="Fl">-mediaopt</code></a>
- <var class="Ar">opts</var></dt>
- <dd>Disable the specified media options on the driver and return it to the
- default mode of operation (BSS).</dd>
- <dt id="mode"><a class="permalink" href="#mode"><code class="Cm">mode</code></a>
- <var class="Ar">mode</var></dt>
- <dd>The <code class="Nm">ral</code> driver supports the following modes:
- <p class="Pp"></p>
- <dl class="Bl-tag Bl-compact">
- <dt id="11a"><a class="permalink" href="#11a"><code class="Cm">11a</code></a></dt>
- <dd>Force 802.11a operation.</dd>
- <dt id="11b"><a class="permalink" href="#11b"><code class="Cm">11b</code></a></dt>
- <dd>Force 802.11b operation.</dd>
- <dt id="11g"><a class="permalink" href="#11g"><code class="Cm">11g</code></a></dt>
- <dd>Force 802.11g operation.</dd>
- </dl>
- </dd>
- <dt id="nwid"><a class="permalink" href="#nwid"><code class="Cm">nwid</code></a>
- <var class="Ar">id</var></dt>
- <dd>Set the network ID. The <var class="Ar">id</var> can either be any text
- string up to 32 characters in length, or a series of hexadecimal digits up
- to 64 digits. An empty <var class="Ar">id</var> string allows the
- interface to connect to any available access points. By default the
- <code class="Nm">ral</code> driver uses an empty string. Note that network
- ID is synonymous with Extended Service Set ID (ESSID).</dd>
- <dt id="nwkey"><a class="permalink" href="#nwkey"><code class="Cm">nwkey</code></a>
- <var class="Ar">key</var></dt>
- <dd>Enable WEP encryption using the specified <var class="Ar">key</var>. The
- <var class="Ar">key</var> can either be a string, a series of hexadecimal
- digits (preceded by &#x2018;0x&#x2019;), or a set of keys of the form
- &#x201C;n:k1,k2,k3,k4&#x201D;, where &#x2018;n&#x2019; specifies which of
- the keys will be used for transmitted packets, and the four keys,
- &#x201C;k1&#x201D; through &#x201C;k4&#x201D;, are configured as WEP keys.
- If a set of keys is specified, a comma (&#x2018;,&#x2019;) within the key
- must be escaped with a backslash. Note that if multiple keys are used,
- their order must be the same within the network.
- <code class="Nm">ral</code> is capable of using both 40-bit (5 characters
- or 10 hexadecimal digits) or 104-bit (13 characters or 26 hexadecimal
- digits) keys.</dd>
- <dt id="nwkey~2"><a class="permalink" href="#nwkey~2"><code class="Fl">-nwkey</code></a></dt>
- <dd>Disable WEP encryption. This is the default mode of operation.</dd>
-</dl>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
-<p class="Pp">The following firmware files are potentially loaded when an
- interface is brought up:</p>
-<p class="Pp"></p>
-<div class="Bd-indent">
-<dl class="Bl-tag Bl-compact">
- <dt>/libdata/firmware/ral/ral-rt2561</dt>
- <dd style="width: auto;">&#x00A0;</dd>
- <dt>/libdata/firmware/ral/ral-rt2561s</dt>
- <dd style="width: auto;">&#x00A0;</dd>
- <dt>/libdata/firmware/ral/ral-rt2661</dt>
- <dd style="width: auto;">&#x00A0;</dd>
-</dl>
-</div>
-<p class="Pp">RT2500 adapters do not require a firmware to operate.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
-<p class="Pp">The following PCI adapters should work:</p>
-<div class="Bd Pp">A-Link WL54H. Amigo AWI-926W. AMIT WL531P. AOpen AOI-831.
- ASUS WL-130g. ASUS WIFI-G-AAY. Atlantis Land A02-PCI-W54. Belkin F5D7000 v3.
- Canyon CN-WF511. CNet CWP-854. Compex WLP54G. Conceptronic C54Ri. Corega
- CG-WLPCI54GL. Digitus DN-7006G-RA. Dynalink WLG25PCI. E-Tech WGPI02. Edimax
- EW-7128g. Eminent EM3037. Encore ENLWI-G-RLAM. Eusso UGL2454-VPR. Fiberline
- WL-400P. Foxconn WLL-3350. Gigabyte GN-WPKG. Hama WLAN PCI Card 54 Mbps.
- Hawking HWP54GR. Hercules HWGPCI-54. iNexQ CR054g-009 (R03). JAHT WN-4054PCI.
- KCORP LifeStyle KLS-660. LevelOne WNC-0301 v2. Linksys WMP54G v4. Micronet
- SP906GK. Minitar MN54GPC-R. MSI MS-6834. MSI PC54G2. OvisLink EVO-W54PCI.
- PheeNet HWL-PCIG/RA. Pro-Nets PC80211G. Repotec RP-WP0854. SATech SN-54P.
- Signamax 065-1798. Sitecom WL-115. SparkLAN WL-660R. Surecom EP-9321-g. Sweex
- LC700030. TekComm NE-9321-g. Tonze PC-6200C. Unex CR054g-R02. Zinwell
- ZWX-G361. Zonet ZEW1600.</div>
-<p class="Pp">The following CardBus adapters should work:</p>
-<div class="Bd Pp">A-Link WL54PC. Alfa AWPC036. Amigo AWI-914W. AMIT WL531C.
- ASUS WL-107G. Atlantis Land A02-PCM-W54. Belkin F5D7010 v2. Canyon CN-WF513.
- CC&amp;C WL-2102. CNet CWC-854. Conceptronic C54RC. Corega CG-WLCB54GL.
- Digitus DN-7001G-RA. Dynalink WLG25CARDBUS. E-Tech WGPC02. E-Tech WGPC03.
- Edimax EW-7108PCg. Eminent EM3036. Encore ENPWI-G-RLAM. Eusso UGL2454-01R.
- Fiberline WL-400X. Gigabyte GN-WMKG. Hawking HWC54GR. Hercules HWGPCMCIA-54.
- JAHT WN-4054P(E). KCORP LifeStyle KLS-611. LevelOne WPC-0301 v2. Micronet
- SP908GK V3. Minitar MN54GCB-R. MSI CB54G2. MSI MS-6835. Pro-Nets CB80211G.
- Repotec RP-WB7108. SATech SN-54C. Sitecom WL-112. SparkLAN WL-611R. Surecom
- EP-9428-g. Sweex LC500050. TekComm NE-9428-g. Tonze PW-6200C. Unex MR054g-R02.
- Zinwell ZWX-G160. Zonet ZEW1500.</div>
-<p class="Pp">The following Mini PCI adapters should work:</p>
-<div class="Bd Pp">Amigo AWI-922W. Billionton MIWLGRL. Gigabyte GN-WIKG. MSI
- MP54G2. MSI MS-6833. Tonze PC-620C. Zinwell ZWX-G360.</div>
-<p class="Pp">The following USB 2.0 adapters should work:</p>
-<div class="Bd Pp">AMIT WL532U. ASUS WL-167g. Belkin F5D7050 v2000. Buffalo
- WLI-U2-KG54. Buffalo WLI-U2-KG54-AI. Buffalo WLI-U2-KG54-YB. CNet CWD-854.
- Compex WLU54G 2A1100. Conceptronic C54RU. D-Link DWL-G122 (b1). Dynalink
- WLG25USB. E-Tech WGUS02. Gigabyte GN-WBKG. Hercules HWGUSB2-54. KCORP
- LifeStyle KLS-685. Linksys HU200-TS. Linksys WUSB54G v4. Linksys WUSB54GP v4.
- MSI MS-6861. MSI MS-6865. MSI MS-6869. Nintendo Wi-Fi USB Connector. OvisLink
- Evo-W54USB. SerComm UB801R. SparkLAN WL-685R. Surecom EP-9001-g. Sweex
- LC100060. Tonze UW-6200C. Zinwell ZWX-G261. Zonet ZEW2500P.</div>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="EXAMPLES"><a class="permalink" href="#EXAMPLES">EXAMPLES</a></h1>
-<p class="Pp">The following <a class="Xr">ifconfig.if(5)</a> example creates a
- host-based access point on boot:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre>inet 192.168.1.1 netmask 255.255.255.0 media autoselect \
- mediaopt hostap nwid my_net chan 11</pre>
-</div>
-<p class="Pp">Configure ral0 for WEP, using hex key
- &#x201C;0x1deadbeef1&#x201D;:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre># ifconfig ral0 nwkey 0x1deadbeef1</pre>
-</div>
-<p class="Pp">Return ral0 to its default settings:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre># ifconfig ral0 -bssid -chan media autoselect \
- nwid &quot;&quot; -nwkey</pre>
-</div>
-<p class="Pp">Join an existing BSS network, &#x201C;my_net&#x201D;:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre># ifconfig ral0 192.168.1.1 netmask 0xffffff00 nwid my_net</pre>
-</div>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">DIAGNOSTICS</a></h1>
-<dl class="Bl-diag">
- <dt>ral%d: could not read microcode %s</dt>
- <dd>For some reason, the driver was unable to read the microcode file from the
- filesystem. The file might be missing or corrupted.</dd>
- <dt>ral%d: could not load 8051 microcode</dt>
- <dd>An error occurred while attempting to upload the microcode to the onboard
- 8051 microcontroller unit.</dd>
- <dt>ral%d: timeout waiting for MCU to initialize</dt>
- <dd>The onboard 8051 microcontroller unit failed to initialize in time.</dd>
- <dt>ral%d: device timeout</dt>
- <dd>A frame dispatched to the hardware for transmission did not complete in
- time. The driver will reset the hardware. This should not happen.</dd>
-</dl>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
- ALSO</a></h1>
-<p class="Pp"><a class="Xr">arp(4)</a>, <a class="Xr">cardbus(4)</a>,
- <a class="Xr">ifmedia(4)</a>, <a class="Xr">intro(4)</a>,
- <a class="Xr">netintro(4)</a>, <a class="Xr">pci(4)</a>,
- <a class="Xr">usb(4)</a>, <a class="Xr">ifconfig.if(5)</a>,
- <a class="Xr">hostapd(8)</a>, <a class="Xr">ifconfig(8)</a></p>
-<p class="Pp"><a class="Lk" href="http://www.ralinktech.com">Ralink
- Technology</a></p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1>
-<p class="Pp">The <code class="Nm">ral</code> driver first appeared in
- <span class="Ux">OpenBSD 3.7</span> and in <span class="Ux">NetBSD
- 3.0</span>. Support for the RT2501 and RT2600 chipsets was added in
- <span class="Ux">OpenBSD 3.9</span> and in <span class="Ux">NetBSD
- 4.0</span>.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1>
-<p class="Pp">The <code class="Nm">ral</code> driver was written by
- <span class="An">Damien Bergamini</span>
- &lt;<a class="Mt" href="mailto:damien@openbsd.org">damien@openbsd.org</a>&gt;.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="CAVEATS"><a class="permalink" href="#CAVEATS">CAVEATS</a></h1>
-<p class="Pp">Some PCI <code class="Nm">ral</code> adapters seem to strictly
- require a system supporting PCI 2.2 or greater and will likely not work in
- systems based on older revisions of the PCI specification. Check the board's
- PCI version before purchasing the card.</p>
-<p class="Pp">The USB <code class="Nm">ral</code> driver supports automatic
- control of the transmit speed in BSS mode only. Therefore the use of a USB
- <code class="Nm">ral</code> adapter in Host AP mode is discouraged.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">December 13, 2009</td>
- <td class="foot-os">NetBSD 10.1</td>
- </tr>
-</table>