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<div class="headertitle"><div class="title">Virtio_net_request Class Reference<span class="mlabels"><span class="mlabel final">final</span></span><div class="ingroups"><a class="el" href="group__virtio__net__switch.html">Virtio Net Switch</a></div></div></div>
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<p>Abstraction for a network request.
<a href="#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="request__l4virtio_8h_source.html">request_l4virtio.h</a>&gt;</code></p>
<div id="dynsection-0" onclick="return dynsection.toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;"><span class="dynarrow"><span class="arrowhead closed"></span></span>Collaboration diagram for Virtio_net_request:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 id="header-pub-methods" class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a9d25c994539f6f7d20f0cf273026a06d" id="r_a9d25c994539f6f7d20f0cf273026a06d"><td class="memItemLeft" align="right" valign="top"><a id="a9d25c994539f6f7d20f0cf273026a06d" name="a9d25c994539f6f7d20f0cf273026a06d"></a>
<a class="el" href="classMac__addr.html">Mac_addr</a>&#160;</td><td class="memItemRight" valign="bottom"><b>dst_mac</b> () const</td></tr>
<tr class="memdesc:a9d25c994539f6f7d20f0cf273026a06d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the Mac address of the destination port. <br /></td></tr>
<tr class="memitem:a929bf78b8f546e47f962d848b0df4c8f" id="r_a929bf78b8f546e47f962d848b0df4c8f"><td class="memItemLeft" align="right" valign="top"><a id="a929bf78b8f546e47f962d848b0df4c8f" name="a929bf78b8f546e47f962d848b0df4c8f"></a>
<a class="el" href="classMac__addr.html">Mac_addr</a>&#160;</td><td class="memItemRight" valign="bottom"><b>src_mac</b> () const</td></tr>
<tr class="memdesc:a929bf78b8f546e47f962d848b0df4c8f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the Mac address of the source port. <br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 id="header-pub-static-methods" class="groupheader"><a id="pub-static-methods" name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a7b7f4879d5a6d2081e4dac7266c50fbc" id="r_a7b7f4879d5a6d2081e4dac7266c50fbc"><td class="memItemLeft" align="right" valign="top">static void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a7b7f4879d5a6d2081e4dac7266c50fbc">drop_requests</a> (<a class="el" href="classVirtio__net.html">Virtio_net</a> *dev, <a class="el" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *queue)</td></tr>
<tr class="memdesc:a7b7f4879d5a6d2081e4dac7266c50fbc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Drop all requests of a specific queue. <br /></td></tr>
<tr class="memitem:a54bc204105bfec0d318affa5d87185d8" id="r_a54bc204105bfec0d318affa5d87185d8"><td class="memItemLeft" align="right" valign="top">static std::optional&lt; <a class="el" href="classVirtio__net__request.html">Virtio_net_request</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="#a54bc204105bfec0d318affa5d87185d8">get_request</a> (<a class="el" href="classVirtio__net.html">Virtio_net</a> *dev, <a class="el" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *queue)</td></tr>
<tr class="memdesc:a54bc204105bfec0d318affa5d87185d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct a request from the next entry of a provided queue. <br /></td></tr>
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<a name="details" id="details"></a><h2 id="header-details" class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Abstraction for a network request. </p>
<p>A <span class="tt"><a class="el" href="classVirtio__net__request.html" title="Abstraction for a network request.">Virtio_net_request</a></span> is constructed by the source port, using the static function <span class="tt"><a class="el" href="#a54bc204105bfec0d318affa5d87185d8" title="Construct a request from the next entry of a provided queue.">get_request()</a></span> as part of <span class="tt">Port_iface::get_tx_request()</span>.</p>
<p>On destruction, <span class="tt">finish()</span> will be called, which, will trigger the client IRQ of the source client. </p>
<p class="definition">Definition at line <a class="el" href="request__l4virtio_8h_source.html#l00035">35</a> of file <a class="el" href="request__l4virtio_8h_source.html">request_l4virtio.h</a>.</p>
</div><a name="doc-func-members" id="doc-func-members"></a><h2 id="header-doc-func-members" class="groupheader">Member Function Documentation</h2>
<a id="a7b7f4879d5a6d2081e4dac7266c50fbc" name="a7b7f4879d5a6d2081e4dac7266c50fbc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7b7f4879d5a6d2081e4dac7266c50fbc">&#9670;&#160;</a></span>drop_requests()</h2>
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<td class="memname">void Virtio_net_request::drop_requests </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classVirtio__net.html">Virtio_net</a> *</td> <td class="paramname"><span class="paramname"><em>dev</em></span>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *</td> <td class="paramname"><span class="paramname"><em>queue</em></span>&#160;)</td>
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<p>Drop all requests of a specific queue. </p>
<p>This function is used for example to drop all requests in the transmission queue of a monitor port, since monitor ports are not allowed to transmit data.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>Port of the provided virtqueue. </td></tr>
<tr><td class="paramname">queue</td><td>Virtqueue to drop all requests of. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="request__l4virtio_8h_source.html#l00172">172</a> of file <a class="el" href="request__l4virtio_8h_source.html">request_l4virtio.h</a>.</p>
<p class="reference">References <a class="el" href="virtio_source.html#l00175">L4virtio::Svr::Virtqueue::desc_avail()</a>, <a class="el" href="virtio_source.html#l00240">L4virtio::Svr::Virtqueue::finish()</a>, <a class="el" href="compiler_8h_source.html#l00284">L4_UNLIKELY</a>, <a class="el" href="virtio_source.html#l00136">L4virtio::Svr::Virtqueue::next_avail()</a>, <a class="el" href="virtqueue_source.html#l00400">L4virtio::Virtqueue::ready()</a>, and <a class="el" href="virtio_source.html#l00501">L4virtio::Svr::Request_processor::start()</a>.</p>
<p class="reference">Referenced by <a class="el" href="port__l4virtio_8h_source.html#l00103">L4virtio_port::drop_requests()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a54bc204105bfec0d318affa5d87185d8">&#9670;&#160;</a></span>get_request()</h2>
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<td class="memname">std::optional&lt; <a class="el" href="classVirtio__net__request.html">Virtio_net_request</a> &gt; Virtio_net_request::get_request </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classVirtio__net.html">Virtio_net</a> *</td> <td class="paramname"><span class="paramname"><em>dev</em></span>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="classL4virtio_1_1Svr_1_1Virtqueue.html">L4virtio::Svr::Virtqueue</a> *</td> <td class="paramname"><span class="paramname"><em>queue</em></span>&#160;)</td>
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<p>Construct a request from the next entry of a provided queue. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dev</td><td>Port of the provided virtqueue. </td></tr>
<tr><td class="paramname">queue</td><td>Virtqueue to extract next entry from. </td></tr>
</table>
</dd>
</dl>
<p class="definition">Definition at line <a class="el" href="request__l4virtio_8h_source.html#l00199">199</a> of file <a class="el" href="request__l4virtio_8h_source.html">request_l4virtio.h</a>.</p>
<p class="reference">References <a class="el" href="compiler_8h_source.html#l00284">L4_UNLIKELY</a>, <a class="el" href="virtio_source.html#l00136">L4virtio::Svr::Virtqueue::next_avail()</a>, and <a class="el" href="virtqueue_source.html#l00400">L4virtio::Virtqueue::ready()</a>.</p>
<p class="reference">Referenced by <a class="el" href="port__l4virtio_8h_source.html#l00093">L4virtio_port::get_tx_request()</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>pkg/virtio-net-switch/server/switch/<a class="el" href="request__l4virtio_8h_source.html">request_l4virtio.h</a></li>
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