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<section id="mlxsw-devlink-support">
<h1>mlxsw devlink support<a class="headerlink" href="#mlxsw-devlink-support" title="Link to this heading">¶</a></h1>
<p>This document describes the devlink features implemented by the <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code>
device driver.</p>
<section id="parameters">
<h2>Parameters<a class="headerlink" href="#parameters" title="Link to this heading">¶</a></h2>
<table class="docutils align-default" id="id1">
<caption><span class="caption-text">Generic parameters implemented</span><a class="headerlink" href="#id1" title="Link to this table">¶</a></caption>
<tbody>
<tr class="row-odd"><td><p>Name</p></td>
<td><p>Mode</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">fw_load_policy</span></code></p></td>
<td><p>driverinit</p></td>
</tr>
</tbody>
</table>
<p>The <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code> driver also implements the following driver-specific
parameters.</p>
<table class="docutils align-default" id="id2">
<caption><span class="caption-text">Driver-specific parameters implemented</span><a class="headerlink" href="#id2" title="Link to this table">¶</a></caption>
<colgroup>
<col style="width: 5.0%" />
<col style="width: 5.0%" />
<col style="width: 5.0%" />
<col style="width: 85.0%" />
</colgroup>
<tbody>
<tr class="row-odd"><td><p>Name</p></td>
<td><p>Type</p></td>
<td><p>Mode</p></td>
<td><p>Description</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">acl_region_rehash_interval</span></code></p></td>
<td><p>u32</p></td>
<td><p>runtime</p></td>
<td><p>Sets an interval for periodic ACL region rehashes. The value is
specified in milliseconds, with a minimum of <code class="docutils literal notranslate"><span class="pre">3000</span></code>. The value of
<code class="docutils literal notranslate"><span class="pre">0</span></code> disables periodic work entirely. The first rehash will be run
immediately after the value is set.</p></td>
</tr>
</tbody>
</table>
<p>The <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code> driver supports reloading via <code class="docutils literal notranslate"><span class="pre">DEVLINK_CMD_RELOAD</span></code></p>
</section>
<section id="info-versions">
<h2>Info versions<a class="headerlink" href="#info-versions" title="Link to this heading">¶</a></h2>
<p>The <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code> driver reports the following versions</p>
<table class="docutils align-default" id="id3">
<caption><span class="caption-text">devlink info versions implemented</span><a class="headerlink" href="#id3" title="Link to this table">¶</a></caption>
<colgroup>
<col style="width: 5.0%" />
<col style="width: 5.0%" />
<col style="width: 90.0%" />
</colgroup>
<tbody>
<tr class="row-odd"><td><p>Name</p></td>
<td><p>Type</p></td>
<td><p>Description</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">hw.revision</span></code></p></td>
<td><p>fixed</p></td>
<td><p>The hardware revision for this board</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">fw.psid</span></code></p></td>
<td><p>fixed</p></td>
<td><p>Firmware PSID</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">fw.version</span></code></p></td>
<td><p>running</p></td>
<td><p>Three digit firmware version</p></td>
</tr>
</tbody>
</table>
</section>
<section id="line-card-auxiliary-device-info-versions">
<h2>Line card auxiliary device info versions<a class="headerlink" href="#line-card-auxiliary-device-info-versions" title="Link to this heading">¶</a></h2>
<p>The <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code> driver reports the following versions for line card auxiliary device</p>
<table class="docutils align-default" id="id4">
<caption><span class="caption-text">devlink info versions implemented</span><a class="headerlink" href="#id4" title="Link to this table">¶</a></caption>
<colgroup>
<col style="width: 5.0%" />
<col style="width: 5.0%" />
<col style="width: 90.0%" />
</colgroup>
<tbody>
<tr class="row-odd"><td><p>Name</p></td>
<td><p>Type</p></td>
<td><p>Description</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">hw.revision</span></code></p></td>
<td><p>fixed</p></td>
<td><p>The hardware revision for this line card</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">ini.version</span></code></p></td>
<td><p>running</p></td>
<td><p>Version of line card INI loaded</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">fw.psid</span></code></p></td>
<td><p>fixed</p></td>
<td><p>Line card device PSID</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">fw.version</span></code></p></td>
<td><p>running</p></td>
<td><p>Three digit firmware version of line card device</p></td>
</tr>
</tbody>
</table>
</section>
<section id="driver-specific-traps">
<h2>Driver-specific Traps<a class="headerlink" href="#driver-specific-traps" title="Link to this heading">¶</a></h2>
<table class="docutils align-default" id="id5">
<caption><span class="caption-text">List of Driver-specific Traps Registered by <code class="docutils literal notranslate"><span class="pre">mlxsw</span></code></span><a class="headerlink" href="#id5" title="Link to this table">¶</a></caption>
<colgroup>
<col style="width: 5.0%" />
<col style="width: 5.0%" />
<col style="width: 90.0%" />
</colgroup>
<tbody>
<tr class="row-odd"><td><p>Name</p></td>
<td><p>Type</p></td>
<td><p>Description</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">irif_disabled</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">drop</span></code></p></td>
<td><p>Traps packets that the device decided to drop because they need to be
routed from a disabled router interface (RIF). This can happen during
RIF dismantle, when the RIF is first disabled before being removed
completely</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">erif_disabled</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">drop</span></code></p></td>
<td><p>Traps packets that the device decided to drop because they need to be
routed through a disabled router interface (RIF). This can happen during
RIF dismantle, when the RIF is first disabled before being removed
completely</p></td>
</tr>
</tbody>
</table>
</section>
</section>
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