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+<table class="head">
+  <tr>
+    <td class="head-ltitle">MGB(4)</td>
+    <td class="head-vol">Device Drivers Manual</td>
+    <td class="head-rtitle">MGB(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">mgb</code> &#x2014; <span class="Nd">Microchip
+    LAN743x PCIe Gigabit Ethernet driver</span></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1>
+<p class="Pp">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_mgb_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">mgb</code> driver is experimental, and has a
+    number of caveats and limitations. It is currently available only as a
+    kernel module.</p>
+<p class="Pp">The <code class="Nm">mgb</code> device driver provides support for
+    PCIe Gigabit Ethernet adapters based on Microchip's LAN7430 and LAN7431.</p>
+<p class="Pp">For more information on configuring this device, see
+    <a class="Xr">ifconfig(8)</a>.</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">mgb</code> driver supports Microchip PCIe
+    Gigabit Ethernet interfaces, including:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+  <li>Microchip LAN7430 PCIe Gigabit Ethernet controller with PHY</li>
+  <li>Microchip LAN7431 PCIe Gigabit Ethernet controller with RGMII
+    interface</li>
+</ul>
+</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">miibus(4)</a>,
+    <a class="Xr">ifconfig(8)</a></p>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="CAVEATS"><a class="permalink" href="#CAVEATS">CAVEATS</a></h1>
+<p class="Pp">The driver does not yet implement support for many hardware
+    features, including:</p>
+<ul class="Bl-bullet Bl-compact">
+  <li>Multiple RX queue support</li>
+  <li>RX and TX checksum offload</li>
+  <li>Hardware VLAN tagging or untagging</li>
+  <li>Multicast receive packet filtering</li>
+  <li>Wake on LAN (WoL)</li>
+  <li>LSO</li>
+  <li>RSS</li>
+</ul>
+<p class="Pp">LAN7431 support is completely untested.</p>
+</section>
+</div>
+<table class="foot">
+  <tr>
+    <td class="foot-date">September 28, 2021</td>
+    <td class="foot-os">FreeBSD 15.0</td>
+  </tr>
+</table>