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-<table class="head">
- <tr>
- <td class="head-ltitle">IWX(4)</td>
- <td class="head-vol">Device Drivers Manual (amd64)</td>
- <td class="head-rtitle">IWX(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">iwx</code> &#x2014; <span class="Nd">Intel WiFi 6
- IEEE 802.11ax 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, include the following
- lines in your kernel configuration file:</p>
-<div class="Bd Pp Bd-indent"><code class="Cd">device iwx</code>
-<br/>
-<code class="Cd">device pci</code>
-<br/>
-<code class="Cd">device wlan</code></div>
-<p class="Pp">Alternatively, to load the driver as a module at boot time, place
- the following lines in <a class="Xr">loader.conf(5)</a>:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre>if_iwx_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">iwx</code> driver supports the Intel Wi-Fi 6
- series of M.2 wireless network adapters. If the appropriate hardware is
- detected, and <a class="Xr">iwlwifi(4)</a> is blacklisted in
- <a class="Xr">rc.conf(5)</a>, the driver will be automatically loaded with
- <a class="Xr">devmatch(8)</a>. The <code class="Nm">iwx</code> driver can be
- configured at runtime with <a class="Xr">ifconfig(8)</a> or at boot with
- <a class="Xr">rc.conf(5)</a>.</p>
-<p class="Pp">These are the modes the <code class="Nm">iwx</code> driver can
- operate in:</p>
-<dl class="Bl-tag">
- <dt>station mode</dt>
- <dd>This is used when associating with an access point, through which all
- traffic passes. Background scanning is supported in this mode, see
- <a class="Xr">ifconfig(8)</a>. Station mode is the default.</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>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
-<p class="Pp">The <code class="Nm">iwx</code> driver supports the following M.2
- wireless network adapters:</p>
-<p class="Pp"></p>
-<ul class="Bl-bullet Bd-indent Bl-compact">
- <li>Intel Wi-Fi 6 AX200</li>
- <li>Intel Wi-Fi 6 AX201 CNVi</li>
- <li>Intel Wi-Fi 6 AX210</li>
- <li>Intel Wi-Fi 6 AX211 CNVi</li>
-</ul>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SYSCTL_VARIABLES"><a class="permalink" href="#SYSCTL_VARIABLES">SYSCTL
- VARIABLES</a></h1>
-<p class="Pp">The <code class="Nm">iwx</code> driver supports the following
- <a class="Xr">sysctl(8)</a> variables:</p>
-<dl class="Bl-tag">
- <dt id="dev.iwx.?.debug"><var class="Va">dev.iwx.?.debug</var></dt>
- <dd>Specify debug level as a bitmask. Default
- &#x2018;<code class="Li">0</code>&#x2019;.</dd>
-</dl>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="FILES"><a class="permalink" href="#FILES">FILES</a></h1>
-<p class="Pp">The <code class="Nm">iwx</code> driver requires firmware from
- <span class="Pa">ports/net/wifi-firmware-iwlwifi-kmod</span>. This firmware
- package will be installed automatically with <a class="Xr">fwget(8)</a> if
- the appropriate hardware is detected at installation or runtime.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="DIAGNOSTICS"><a class="permalink" href="#DIAGNOSTICS">DIAGNOSTICS</a></h1>
-<dl class="Bl-diag">
- <dt>iwx0: 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>
- <dt>iwx0: fatal firmware error</dt>
- <dd>For some reason, the firmware crashed. The driver will reset the hardware.
- This should not happen.</dd>
- <dt>iwx0: radio is disabled by hardware switch</dt>
- <dd>The radio transmitter is off and thus no packet can go out. The driver
- will reset the hardware. Make sure the laptop radio switch is on.</dd>
- <dt>iwx0: could not read firmware ... (error N)</dt>
- <dd>For some reason, the driver was unable to read the firmware image from the
- filesystem. The file might be missing or corrupted.</dd>
- <dt>iwx0: firmware too short: N bytes</dt>
- <dd>The firmware image is corrupted and can't be loaded into the adapter.</dd>
- <dt>iwx0: could not load firmware</dt>
- <dd>An attempt to load the firmware into the adapter failed. The driver will
- reset the hardware.</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">intro(4)</a>, <a class="Xr">iwlwifi(4)</a>,
- <a class="Xr">iwlwififw(4)</a>, <a class="Xr">wlan(4)</a>,
- <a class="Xr">networking(7)</a>, <a class="Xr">fwget(8)</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">iwx</code> driver appeared in
- <span class="Ux">FreeBSD 15.0</span>.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="CAVEATS"><a class="permalink" href="#CAVEATS">CAVEATS</a></h1>
-<p class="Pp">The <code class="Nm">iwx</code> driver does not support hardware
- encryption offload.</p>
-<p class="Pp">The <code class="Nm">iwx</code> driver does not support 802.11ax.
- Additional work is required in <a class="Xr">ieee80211(9)</a> before those
- features can be supported.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">November 14, 2025</td>
- <td class="foot-os">FreeBSD 15.0</td>
- </tr>
-</table>