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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:43 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:55:43 -0400
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+<table class="head">
+ <tr>
+ <td class="head-ltitle">TSEC(4)</td>
+ <td class="head-vol">Device Drivers Manual (powerpc)</td>
+ <td class="head-rtitle">TSEC(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">tsec</code> &#x2014; <span class="Nd">Freescale
+ Three-Speed Ethernet Controller device 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 tsec</code>
+<br/>
+<code class="Cd">device miibus</code></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">tsec</code> driver provides support for the
+ gigabit Ethernet controller integrated in some of the Freescale
+ system-on-chip devices.</p>
+<p class="Pp">The <code class="Nm">tsec</code> driver supports the following
+ media types:</p>
+<dl class="Bl-tag">
+ <dt>autoselect</dt>
+ <dd>Enable autoselection of the media type and options</dd>
+ <dt>10baseT/UTP</dt>
+ <dd>Set 10Mbps operation</dd>
+ <dt>100baseTX</dt>
+ <dd>Set 100Mbps operation</dd>
+ <dt>1000baseT</dt>
+ <dd>Set 1000baseT operation</dd>
+</dl>
+<p class="Pp">The <code class="Nm">tsec</code> driver supports the following
+ media options:</p>
+<dl class="Bl-tag">
+ <dt>full-duplex</dt>
+ <dd>Set full duplex operation</dd>
+</dl>
+<p class="Pp">The <code class="Nm">tsec</code> driver supports polled operation
+ when the system is configured with DEVICE_POLLING kernel option, see
+ <a class="Xr">polling(4)</a> for more details.</p>
+<p class="Pp">The <code class="Nm">tsec</code> driver supports reception and
+ transmission of extended frames for <a class="Xr">vlan(4)</a>. This
+ capability of <code class="Nm">tsec</code> can be controlled by means of the
+ <code class="Cm">vlanmtu</code> parameter to
+ <a class="Xr">ifconfig(8)</a>.</p>
+<p class="Pp">The <code class="Nm">tsec</code> driver supports interrupts
+ coalescing (IC) so that raising a transmit/receive frame interrupt is
+ delayed, if possible, until a threshold-defined period of time has elapsed,
+ or a threshold-defined frame counter has been reached (whichever occurs
+ first). The following sysctls regulate this behaviour:</p>
+<dl class="Bl-tag">
+ <dt id="dev.tsec.X.int_coal.rx_time"><var class="Va">dev.tsec.X.int_coal.rx_time</var></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+ <dt id="dev.tsec.X.int_coal.rx_count"><var class="Va">dev.tsec.X.int_coal.rx_count</var></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+ <dt id="dev.tsec.X.int_coal.tx_time"><var class="Va">dev.tsec.X.int_coal.tx_time</var></dt>
+ <dd style="width: auto;">&#x00A0;</dd>
+ <dt id="dev.tsec.X.int_coal.tx_count"><var class="Va">dev.tsec.X.int_coal.tx_count</var></dt>
+ <dd>
+ <p class="Pp">Value of 0 for either time or count disables IC on the given
+ path. Time value 1-65535 corresponds to a real time period and is
+ expressed in units equivalent to 64 ticks of the TSEC clock. Count 1-255
+ represents the number of frames (note that value of 1 is equivalent to
+ IC disabled). User provided values larger than supported will be trimmed
+ to the maximum supported. More details are available in the reference
+ manual of the device.</p>
+ </dd>
+</dl>
+</section>
+<section class="Sh">
+<h1 class="Sh" id="HARDWARE"><a class="permalink" href="#HARDWARE">HARDWARE</a></h1>
+<p class="Pp">Gigabit Ethernet controllers built into the following Freescale
+ system-on-chip devices are known to work with the
+ <code class="Nm">tsec</code> driver:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>MPC8349</li>
+ <li>MPC8533, MPC8541, MPC8555</li>
+</ul>
+<p class="Pp">The enhanced version of the controller (eTSEC), integrated in the
+ following devices, is also supported by this driver:</p>
+<p class="Pp"></p>
+<ul class="Bl-bullet Bl-compact">
+ <li>MPC8548, MPC8572</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">altq(4)</a>, <a class="Xr">arp(4)</a>,
+ <a class="Xr">miibus(4)</a>, <a class="Xr">netintro(4)</a>,
+ <a class="Xr">ng_ether(4)</a>, <a class="Xr">polling(4)</a>,
+ <a class="Xr">vlan(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">tsec</code> device 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 base version of <code class="Nm">tsec</code> device driver was
+ written by <span class="An">Piotr Kruszynski</span>. It has been extended
+ with polling and interrupt coalescing support by <span class="An">Rafal
+ Jaworowski</span>. It has been further enhanced with multicast, h/w checksum
+ calculation and vlan support by <span class="An">Piotr Ziecik</span>. This
+ manual page was written by <span class="An">Rafal Jaworowski</span>.</p>
+</section>
+</div>
+<table class="foot">
+ <tr>
+ <td class="foot-date">February 20, 2015</td>
+ <td class="foot-os">FreeBSD 15.0</td>
+ </tr>
+</table>