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-<table class="head">
- <tr>
- <td class="head-ltitle">MLX5EN(4)</td>
- <td class="head-vol">Device Drivers Manual</td>
- <td class="head-rtitle">MLX5EN(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">mlx5en</code> &#x2014; <span class="Nd">NVIDIA
- Mellanox ConnectX-4/5/6 [Dx/Ex/Lx] based 200Gb, 100Gb, 50Gb, 40Gb, 25Gb and
- 10Gb ethernet adapter 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">options COMPAT_LINUXKPI</code>
-<br/>
-<code class="Cd">options RATELIMIT</code>
-<br/>
-<code class="Cd">options KERN_TLS</code>
-<br/>
-<code class="Cd">device xz</code>
-<br/>
-<code class="Cd">device mlxfw</code>
-<br/>
-<code class="Cd">device firmware</code>
-<br/>
-<code class="Cd">device mlx5</code>
-<br/>
-<code class="Cd">device mlx5en</code></div>
-<p class="Pp">To load the driver as a module at run-time, run the following
- command as root:</p>
-<div class="Bd Pp Bd-indent Li">
-<pre>kldload mlx5en</pre>
-</div>
-<p class="Pp">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>mlx5en_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">mlx5en</code> driver provides support for PCI
- Express Ethernet adapters based on ConnectX-4/5/6 [Dx, Ex and Lx variants].
- The driver supports Jumbo Frames, Transmit and Receive checksum offload, TCP
- segmentation offload (TSO), Large Receive Offload (LRO), HW Large Receive
- Offload (HW LRO), VLAN tag insertion and extraction, VLAN checksum offload,
- VLAN TSO, hardware rate limiting (TXRTLMT), stateless VxLAN hardware offload
- for receive and transmit, HW TLS offload for transmit, Receive Side Steering
- (RSS) and <a class="Xr">numa(4)</a> awareness.</p>
-<p class="Pp">The network interface name is <code class="Dv">mce&lt;N&gt;</code>
- which corresponds to a PCI function,
- <code class="Dv">mlx_core&lt;N&gt;</code>, where
- <code class="Dv">&lt;N&gt;</code> is a number starting at zero. There is at
- most one network interface per PCI function.</p>
-<p class="Pp">For further information and questions related to hardware
- requirements, see <span class="Pa">https://www.mellanox.com</span>.</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">mlx5en</code> driver supports 200Gb, 100Gb,
- 50Gb, 40Gb, 25Gb and 10Gb ethernet adapters.</p>
-<p class="Pp"></p>
-<ul class="Bl-bullet Bl-compact">
- <li>ConnectX-6 supports 10/20/25/40/50/56/100Gb/200Gb/s speeds.</li>
- <li>ConnectX-5 supports 10/20/25/40/50/56/100Gb/s speeds.</li>
- <li>ConnectX-4 supports 10/20/25/40/50/56/100Gb/s speeds.</li>
- <li>ConnectX-4 LX supports 10/25/40/50Gb/s speeds and reduced power
- consumption.</li>
-</ul>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="CONFIGURATION"><a class="permalink" href="#CONFIGURATION">CONFIGURATION</a></h1>
-<p class="Pp">The <code class="Nm">mlx5en</code> network interface is configured
- using <a class="Xr">ifconfig(8)</a> and the <a class="Xr">sysctl(8)</a> tree
- at <code class="Dv">dev.mce.&lt;N&gt;</code>. All configurable entries are
- also tunables, and can be put directly into the
- <a class="Xr">loader.conf(5)</a> for persistent configuration.</p>
-</section>
-<section class="Sh">
-<h1 class="Sh" id="SUPPORT"><a class="permalink" href="#SUPPORT">SUPPORT</a></h1>
-<p class="Pp">For general information and support, go to the NVIDIA Mellanox
- networking support website at:
- <span class="Pa">https://www.mellanox.com</span>.</p>
-<p class="Pp">If an issue is identified with this driver using a supported
- adapter, e-mail all the specific information related to the issue to
- &lt;<a class="Mt" href="mailto:nbu-freebsd-drivers@nvidia.com">nbu-freebsd-drivers@nvidia.com</a>&gt;.</p>
-</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">ifconfig(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">mlx5en</code> device driver first appeared in
- <span class="Ux">FreeBSD 11.0</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">mlx5en</code> driver was written by
- <span class="An">NVIDIA Mellanox networking
- &lt;nbu-freebsd-drivers@nvidia.com&gt;</span>.</p>
-</section>
-</div>
-<table class="foot">
- <tr>
- <td class="foot-date">July 20, 2021</td>
- <td class="foot-os">FreeBSD 15.0</td>
- </tr>
-</table>