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+<table class="head">
+ <tr>
+ <td class="head-ltitle">BWI(4)</td>
+ <td class="head-vol">Device Drivers Manual</td>
+ <td class="head-rtitle">BWI(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">bwi</code> &#x2014; <span class="Nd">Broadcom
+ BCM43xx IEEE 802.11b/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">To compile this driver into the kernel, place the following lines
+ in your kernel configuration file:</p>
+<div class="Bd Pp Bd-indent"><code class="Cd">device bwi</code>
+<br/>
+<code class="Cd">device wlan</code>
+<br/>
+<code class="Cd">device wlan_amrr</code>
+<br/>
+<code class="Cd">device firmware</code></div>
+<p class="Pp">Alternatively, to load the driver as a module at boot time, place
+ the following line in <a class="Xr">loader.conf(5)</a>:</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>if_bwi_load=&quot;YES&quot;</pre>
+</div>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1>
+<p class="Pp">The <code class="Nm">bwi</code> driver provides support for
+ Broadcom BCM43xx based PCI/CardBus network adapters.</p>
+<p class="Pp">It supports <code class="Cm">station</code> and
+ <code class="Cm">monitor</code> mode operation. Only one virtual interface
+ may be configured at any time. For more information on configuring this
+ device, see <a class="Xr">ifconfig(8)</a>.</p>
+<p class="Pp">This driver requires firmware to be loaded before it will work.
+ The <span class="Pa">ports/net/bwi-firmware-kmod</span> port needs to be
+ installed before <a class="Xr">ifconfig(8)</a> will work.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
+<p class="Pp">The <code class="Nm">bwi</code> driver supports Broadcom BCM43xx
+ based wireless devices, including:</p>
+<table class="Bl-column Bd-indent">
+ <tr id="Card">
+ <td><a class="permalink" href="#Card"><i class="Em">Card</i></a></td>
+ <td><a class="permalink" href="#Chip"><i class="Em" id="Chip">Chip</i></a></td>
+ <td><a class="permalink" href="#Bus"><i class="Em" id="Bus">Bus</i></a></td>
+ <td><a class="permalink" href="#Standard"><i class="Em" id="Standard">Standard</i></a></td>
+ </tr>
+ <tr>
+ <td>Apple Airport Extreme</td>
+ <td>BCM4306</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Apple Airport Extreme</td>
+ <td>BCM4318</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>ASUS WL-100g</td>
+ <td>BCM4306</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>ASUS WL-138g</td>
+ <td>BCM4318</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Buffalo WLI-CB-G54S</td>
+ <td>BCM4318</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Buffalo WLI-PCI-G54S</td>
+ <td>BCM4306</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Compaq R4035 onboard</td>
+ <td>BCM4306</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Dell Wireless 1390</td>
+ <td>BCM4311</td>
+ <td>Mini PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Dell Wireless 1470</td>
+ <td>BCM4318</td>
+ <td>Mini PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Dell Truemobile 1300 r2</td>
+ <td>BCM4306</td>
+ <td>Mini PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Dell Truemobile 1400</td>
+ <td>BCM4309</td>
+ <td>Mini PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>HP nx6125</td>
+ <td>BCM4319</td>
+ <td>PCI</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Linksys WPC54G Ver 3</td>
+ <td>BCM4318</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>Linksys WPC54GS Ver 2</td>
+ <td>BCM4318</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>TRENDnet TEW-401PCplus</td>
+ <td>BCM4306</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+ <tr>
+ <td>US Robotics 5411</td>
+ <td>BCM4318</td>
+ <td>CardBus</td>
+ <td>b/g</td>
+ </tr>
+</table>
+<p class="Pp">The <code class="Nm">bwi</code> driver uses the older v3 version
+ of Broadcom's firmware. While this older firmware does support most BCM43xx
+ parts, the <a class="Xr">bwn(4)</a> driver works better for the newer chips
+ it supports. You must use the <code class="Nm">bwi</code> driver if you are
+ using older Broadcom chipsets (BCM4301, BCM4303 and BCM4306 rev 2). The v4
+ version of the firmware that <a class="Xr">bwn(4)</a> uses does not support
+ these chips.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="EXAMPLES"><a class="permalink" href="#EXAMPLES">EXAMPLES</a></h1>
+<p class="Pp">Join an existing BSS network (i.e., connect to an access
+ point):</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>ifconfig wlan create wlandev bwi0 inet 192.168.0.20 \
+ netmask 0xffffff00</pre>
+</div>
+<p class="Pp">Join a specific BSS network with network name
+ &#x201C;<code class="Li">my_net</code>&#x201D;:</p>
+<p class="Pp"></p>
+<div class="Bd Bd-indent"><code class="Li">ifconfig wlan create wlandev bwi0
+ ssid my_net up</code></div>
+<p class="Pp">Join a specific BSS network with 64-bit WEP encryption:</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>ifconfig wlan create wlandev bwi0 ssid my_net \
+ wepmode on wepkey 0x1234567890 weptxkey 1 up</pre>
+</div>
+</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">intro(4)</a>, <a class="Xr">pci(4)</a>,
+ <a class="Xr">wlan(4)</a>, <a class="Xr">wlan_amrr(4)</a>,
+ <a class="Xr">ifconfig(8)</a>, <a class="Xr">wpa_supplicant(8)</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">bwi</code> driver first appeared in
+ <span class="Ux">FreeBSD 8.0</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">bwi</code> driver was written for
+ <span class="Ux">DragonFly</span> by <span class="An">Sepherosa
+ Ziehau</span> and subsequently ported to
+ <span class="Ux">FreeBSD</span>.</p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="BUGS"><a class="permalink" href="#BUGS">BUGS</a></h1>
+<p class="Pp">Some card based on the BCM4306 and BCM4309 chips do not work
+ properly on channel 1, 2 and 3.</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">August 7, 2015</td>
+ <td class="foot-os">FreeBSD 15.0</td>
+ </tr>
+</table>