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+<table class="head">
+ <tr>
+ <td class="head-ltitle">BNX(4)</td>
+ <td class="head-vol">Device Drivers Manual</td>
+ <td class="head-rtitle">BNX(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">bnx</code> &#x2014; <span class="Nd">Broadcom
+ NetXtreme II 10/100/1000 Ethernet device</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">bnx* at pci?</code>
+ <br/>
+ <code class="Cd">brgphy* at mii?</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">bnx</code> driver supports Broadcom's
+ NetXtreme II product family, such as the BCM5706 PCI-X and
+ BCM5708-BCM5709-BCM5716 PCIe Ethernet controllers, which includes the
+ following:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>Dell PowerEdge 1950 integrated BCM5708 NIC (10/100/1000baseT)</li>
+ <li>Dell PowerEdge 2950 integrated BCM5708 NIC (10/100/1000baseT)</li>
+ <li>Dell PowerEdge M710 integrated BCM5709S NIC (1000baseSX)</li>
+ <li>Dell PowerEdge R710 integrated BCM5709 NIC</li>
+ <li>HP NC370F PCI-X Multifunction Gigabit server adapter (1000baseSX)</li>
+ <li>HP NC370T PCI-X Multifunction Gigabit server adapter
+ (10/100/1000baseT)</li>
+ <li>HP NC370i Multifunction Gigabit Server Adapter</li>
+ <li>HP NC371i Multifunction Gigabit Server Adapter</li>
+ <li>HP NC373F PCIe Multifunction Gigabit server adapter (1000baseSX)</li>
+ <li>HP NC373T PCIe Multifunction Gigabit server adapter
+ (10/100/1000baseT)</li>
+ <li>HP NC373i PCIe Multifunction Gigabit embedded server adapter
+ (10/100/1000baseT)</li>
+ <li>HP NC373m Multifunction Gigabit Server Adapter</li>
+ <li>HP NC374m PCIe Multifunction Gigabit embedded server adapter
+ (10/100/1000baseT)</li>
+ <li>HP NC380T PCIe Dual Port Multifunction Gigabit server adapter
+ (10/100/1000baseT)</li>
+ <li>HP NC382T PCIe Dual Port server adapter (10/100/1000baseT)</li>
+ <li>HP NC382i DP Multifunction Gigabit Server Adapter</li>
+ <li>HP NC382m DP 1GbE Multifunction BL-c Adapter</li>
+ <li>IBM xSeries 3550 integrated BCM5708 NIC (10/100/1000baseT)</li>
+ <li>IBM xSeries 3650 integrated BCM5708 NIC (10/100/1000baseT)</li>
+</ul>
+<p class="Pp">The NetXtreme II product family is composed of various Converged
+ NIC (or CNIC) Ethernet controllers which support a TCP Offload Engine (TOE),
+ Remote DMA (RDMA), and iSCSI acceleration, in addition to standard L2
+ Ethernet traffic, all on the same controller. The following features are
+ supported in the <code class="Nm">bnx</code> driver under
+ <span class="Ux">NetBSD</span>:</p>
+<div class="Bd Pp Bd-indent Li">
+<pre>IPv4 receive IP/TCP/UDP checksum offload
+Jumbo frames (up to 9022 bytes)
+VLAN tag insertion
+Interrupt coalescing
+10/100/1000Mbps operation in full-duplex mode
+10/100Mbps operation in half-duplex mode</pre>
+</div>
+<p class="Pp">The <code class="Nm">bnx</code> driver supports the following
+ media types:</p>
+<dl class="Bl-tag">
+ <dt id="autoselect"><a class="permalink" href="#autoselect"><code class="Cm">autoselect</code></a></dt>
+ <dd>Enable autoselection of the media type and options. The user can manually
+ override the autoselected mode via <a class="Xr">ifconfig(8)</a>.</dd>
+ <dt id="10baseT/UTP"><a class="permalink" href="#10baseT/UTP"><code class="Cm">10baseT/UTP</code></a></dt>
+ <dd>Set 10Mbps operation. The <a class="Xr">ifconfig(8)</a>
+ <code class="Ic">mediaopt</code> option can also be used to select either
+ <code class="Cm">full-duplex</code> or <code class="Cm">half-duplex</code>
+ modes.</dd>
+ <dt id="100baseTX"><a class="permalink" href="#100baseTX"><code class="Cm">100baseTX</code></a></dt>
+ <dd>Set 100Mbps (Fast Ethernet) operation. The <a class="Xr">ifconfig(8)</a>
+ <code class="Ic">mediaopt</code> option can also be used to select either
+ <code class="Cm">full-duplex</code> or <code class="Cm">half-duplex</code>
+ modes.</dd>
+ <dt id="1000baseTX"><a class="permalink" href="#1000baseTX"><code class="Cm">1000baseTX</code></a></dt>
+ <dd>Set 1000baseTX operation over twisted pair. Only
+ <code class="Cm">full-duplex</code> mode is supported.</dd>
+ <dt id="1000baseSX"><a class="permalink" href="#1000baseSX"><code class="Cm">1000baseSX</code></a></dt>
+ <dd>Set 1000Mbps (Gigabit Ethernet) operation. Both
+ <code class="Cm">full-duplex</code> and
+ <code class="Cm">half-duplex</code> modes are supported.</dd>
+ <dt id="2500baseSX"><a class="permalink" href="#2500baseSX"><code class="Cm">2500baseSX</code></a></dt>
+ <dd>Set 2500Mbps operation. Only <code class="Cm">full-duplex</code> mode is
+ supported.</dd>
+</dl>
+<p class="Pp">The <code class="Nm">bnx</code> driver supports the following
+ media options:</p>
+<dl class="Bl-tag">
+ <dt id="full-duplex"><a class="permalink" href="#full-duplex"><code class="Cm">full-duplex</code></a></dt>
+ <dd>Force full duplex operation.</dd>
+ <dt id="half-duplex"><a class="permalink" href="#half-duplex"><code class="Cm">half-duplex</code></a></dt>
+ <dd>Force half duplex operation.</dd>
+</dl>
+<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="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE
+ ALSO</a></h1>
+<p class="Pp"><a class="Xr">arp(4)</a>, <a class="Xr">brgphy(4)</a>,
+ <a class="Xr">ifmedia(4)</a>, <a class="Xr">intro(4)</a>,
+ <a class="Xr">mii(4)</a>, <a class="Xr">netintro(4)</a>,
+ <a class="Xr">pci(4)</a>, <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">bnx</code> driver was written by
+ <span class="An">David Christensen</span>
+ &lt;<a class="Mt" href="mailto:davidch@broadcom.com">davidch@broadcom.com</a>&gt;
+ in <span class="Ux">FreeBSD</span>, where it is called
+ <code class="Nm">bce</code>. And it's ported to
+ <span class="Ux">OpenBSD</span> by <span class="An">Brad Smith</span>
+ &lt;<a class="Mt" href="mailto:brad@openbsd.org">brad@openbsd.org</a>&gt;.
+ It's ported to <span class="Ux">NetBSD</span> by Quentin Garnier. The
+ <code class="Nm">bnx</code> device driver first appeared in
+ <span class="Ux">NetBSD 4.0</span>.</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">March 27, 2019</td>
+ <td class="foot-os">NetBSD 10.1</td>
+ </tr>
+</table>