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authorJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:59:05 -0400
committerJacob McDonnell <jacob@jacobmcdonnell.com>2026-04-25 19:59:05 -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>