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libnl-devel-1.1-14.fc14.x86_64.rpm

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<title>libnl: Differentiated Services Marker (DSMARK)</title>
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   <div id="projectname">libnl&#160;<span id="projectnumber">1.1</span></div>
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<h1>Differentiated Services Marker (DSMARK)</h1>  </div>
<div class="ingroups"><a class="el" href="group__qdisc__api.html">Queueing Discipline Modules</a> &#124; <a class="el" href="group__class__api.html">Class Modules</a></div></div>
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<table class="memberdecls">
<tr><td colspan="2"><h2><a name="member-group"></a>
Class Attribute Access</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga2fbc601dc7d1f4d4ba52c205e4a06832">rtnl_class_dsmark_set_bitmask</a> (struct rtnl_class *class, uint8_t mask)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Set bitmask of DSMARK class.  <a href="#ga2fbc601dc7d1f4d4ba52c205e4a06832"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#gaf0650a732035ad42a738b7cdae423e98">rtnl_class_dsmark_get_bitmask</a> (struct rtnl_class *class)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get bitmask of DSMARK class.  <a href="#gaf0650a732035ad42a738b7cdae423e98"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga1bf8b287043faa34b84c0060f32e4b7d">rtnl_class_dsmark_set_value</a> (struct rtnl_class *class, uint8_t value)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Set value of DSMARK class.  <a href="#ga1bf8b287043faa34b84c0060f32e4b7d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga46907430efce7c2d76ba314ca4a248d9">rtnl_class_dsmark_get_value</a> (struct rtnl_class *class)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get value of DSMARK class.  <a href="#ga46907430efce7c2d76ba314ca4a248d9"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="member-group"></a>
Qdisc Attribute Access</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga0a464ecd12fd8e76597af0d2b37427b6">rtnl_qdisc_dsmark_set_indices</a> (struct rtnl_qdisc *qdisc, uint16_t indices)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Set indices of DSMARK qdisc.  <a href="#ga0a464ecd12fd8e76597af0d2b37427b6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga7d377d7fb9172cfa1a0b0cdf3e28ffe1">rtnl_qdisc_dsmark_get_indices</a> (struct rtnl_qdisc *qdisc)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get indices of DSMARK qdisc.  <a href="#ga7d377d7fb9172cfa1a0b0cdf3e28ffe1"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#gad358edc7583680909372255b062707eb">rtnl_qdisc_dsmark_set_default_index</a> (struct rtnl_qdisc *qdisc, uint16_t default_index)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Set default index of DSMARK qdisc.  <a href="#gad358edc7583680909372255b062707eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga39a28b34195f9ddef678a0e0f5d0d400">rtnl_qdisc_dsmark_get_default_index</a> (struct rtnl_qdisc *qdisc)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get default index of DSMARK qdisc.  <a href="#ga39a28b34195f9ddef678a0e0f5d0d400"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga3e4251044509c65287794cdd756d0f7c">rtnl_qdisc_dsmark_set_set_tc_index</a> (struct rtnl_qdisc *qdisc, int flag)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Set set-tc-index flag of DSMARK qdisc.  <a href="#ga3e4251044509c65287794cdd756d0f7c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__dsmark.html#ga72da81a5449e1c6d162228c55d1bd467">rtnl_qdisc_dsmark_get_set_tc_index</a> (struct rtnl_qdisc *qdisc)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get set-tc-index flag of DSMARK qdisc.  <a href="#ga72da81a5449e1c6d162228c55d1bd467"></a><br/></td></tr>
</table>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga2fbc601dc7d1f4d4ba52c205e4a06832"></a><!-- doxytag: member="dsmark.c::rtnl_class_dsmark_set_bitmask" ref="ga2fbc601dc7d1f4d4ba52c205e4a06832" args="(struct rtnl_class *class, uint8_t mask)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_class_dsmark_set_bitmask </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_class *&#160;</td>
          <td class="paramname"><em>class</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>mask</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">class</td><td>DSMARK class to be modified. </td></tr>
    <tr><td class="paramname">mask</td><td>New bitmask. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00248">248</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_class *dsmark;
        
        dsmark = dsmark_class(<span class="keyword">class</span>);
        <span class="keywordflow">if</span> (!dsmark)
                <span class="keywordflow">return</span> nl_errno(ENOMEM);

        dsmark-&gt;cdm_bmask = mask;
        dsmark-&gt;cdm_mask |= SCH_DSMARK_ATTR_MASK;

        <span class="keywordflow">return</span> 0;
}
</pre></div>
</div>
</div>
<a class="anchor" id="gaf0650a732035ad42a738b7cdae423e98"></a><!-- doxytag: member="dsmark.c::rtnl_class_dsmark_get_bitmask" ref="gaf0650a732035ad42a738b7cdae423e98" args="(struct rtnl_class *class)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_class_dsmark_get_bitmask </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_class *&#160;</td>
          <td class="paramname"><em>class</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">class</td><td>DSMARK class. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Bitmask or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00267">267</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_class *dsmark;

        dsmark = dsmark_class(<span class="keyword">class</span>);
        <span class="keywordflow">if</span> (dsmark &amp;&amp; dsmark-&gt;cdm_mask &amp; SCH_DSMARK_ATTR_MASK)
                <span class="keywordflow">return</span> dsmark-&gt;cdm_bmask;
        <span class="keywordflow">else</span>
                <span class="keywordflow">return</span> nl_errno(ENOENT);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga1bf8b287043faa34b84c0060f32e4b7d"></a><!-- doxytag: member="dsmark.c::rtnl_class_dsmark_set_value" ref="ga1bf8b287043faa34b84c0060f32e4b7d" args="(struct rtnl_class *class, uint8_t value)" -->
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname">int rtnl_class_dsmark_set_value </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_class *&#160;</td>
          <td class="paramname"><em>class</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint8_t&#160;</td>
          <td class="paramname"><em>value</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">class</td><td>DSMARK class to be modified. </td></tr>
    <tr><td class="paramname">value</td><td>New value. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success or a negative errror code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00284">284</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_class *dsmark;

        dsmark = dsmark_class(<span class="keyword">class</span>);
        <span class="keywordflow">if</span> (!dsmark)
                <span class="keywordflow">return</span> nl_errno(ENOMEM);

        dsmark-&gt;cdm_value = value;
        dsmark-&gt;cdm_mask |= SCH_DSMARK_ATTR_VALUE;

        <span class="keywordflow">return</span> 0;
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga46907430efce7c2d76ba314ca4a248d9"></a><!-- doxytag: member="dsmark.c::rtnl_class_dsmark_get_value" ref="ga46907430efce7c2d76ba314ca4a248d9" args="(struct rtnl_class *class)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_class_dsmark_get_value </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_class *&#160;</td>
          <td class="paramname"><em>class</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">class</td><td>DSMARK class. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Value or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00303">303</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_class *dsmark;

        dsmark = dsmark_class(<span class="keyword">class</span>);
        <span class="keywordflow">if</span> (dsmark &amp;&amp; dsmark-&gt;cdm_mask &amp; SCH_DSMARK_ATTR_VALUE)
                <span class="keywordflow">return</span> dsmark-&gt;cdm_value;
        <span class="keywordflow">else</span>
                <span class="keywordflow">return</span> nl_errno(ENOENT);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga0a464ecd12fd8e76597af0d2b37427b6"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_set_indices" ref="ga0a464ecd12fd8e76597af0d2b37427b6" args="(struct rtnl_qdisc *qdisc, uint16_t indices)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_set_indices </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>indices</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc to be modified. </td></tr>
    <tr><td class="paramname">indices</td><td>New indices. </td></tr>
  </table>
  </dd>
</dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00326">326</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (!dsmark)
                <span class="keywordflow">return</span> nl_errno(ENOMEM);

        dsmark-&gt;qdm_indices = indices;
        dsmark-&gt;qdm_mask |= SCH_DSMARK_ATTR_INDICES;

        <span class="keywordflow">return</span> 0;
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga7d377d7fb9172cfa1a0b0cdf3e28ffe1"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_get_indices" ref="ga7d377d7fb9172cfa1a0b0cdf3e28ffe1" args="(struct rtnl_qdisc *qdisc)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_get_indices </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Indices or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00345">345</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (dsmark &amp;&amp; dsmark-&gt;qdm_mask &amp; SCH_DSMARK_ATTR_INDICES)
                <span class="keywordflow">return</span> dsmark-&gt;qdm_indices;
        <span class="keywordflow">else</span>
                <span class="keywordflow">return</span> nl_errno(ENOENT);
}
</pre></div>
</div>
</div>
<a class="anchor" id="gad358edc7583680909372255b062707eb"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_set_default_index" ref="gad358edc7583680909372255b062707eb" args="(struct rtnl_qdisc *qdisc, uint16_t default_index)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_set_default_index </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint16_t&#160;</td>
          <td class="paramname"><em>default_index</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc to be modified. </td></tr>
    <tr><td class="paramname">default_index</td><td>New default index. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00362">362</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (!dsmark)
                <span class="keywordflow">return</span> nl_errno(ENOMEM);

        dsmark-&gt;qdm_default_index = default_index;
        dsmark-&gt;qdm_mask |= SCH_DSMARK_ATTR_DEFAULT_INDEX;

        <span class="keywordflow">return</span> 0;
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga39a28b34195f9ddef678a0e0f5d0d400"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_get_default_index" ref="ga39a28b34195f9ddef678a0e0f5d0d400" args="(struct rtnl_qdisc *qdisc)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_get_default_index </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>Default index or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00382">382</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (dsmark &amp;&amp; dsmark-&gt;qdm_mask &amp; SCH_DSMARK_ATTR_DEFAULT_INDEX)
                <span class="keywordflow">return</span> dsmark-&gt;qdm_default_index;
        <span class="keywordflow">else</span>
                <span class="keywordflow">return</span> nl_errno(ENOENT);
}
</pre></div>
</div>
</div>
<a class="anchor" id="ga3e4251044509c65287794cdd756d0f7c"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_set_set_tc_index" ref="ga3e4251044509c65287794cdd756d0f7c" args="(struct rtnl_qdisc *qdisc, int flag)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_set_set_tc_index </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">int&#160;</td>
          <td class="paramname"><em>flag</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc to be modified. </td></tr>
    <tr><td class="paramname">flag</td><td>Flag indicating whether to enable or disable. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>0 on success or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00399">399</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (!dsmark)
                <span class="keywordflow">return</span> nl_errno(ENOMEM);

        dsmark-&gt;qdm_set_tc_index = !!flag;
        dsmark-&gt;qdm_mask |= SCH_DSMARK_ATTR_SET_TC_INDEX;

        <span class="keywordflow">return</span> 0;
}
</pre></div>
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<a class="anchor" id="ga72da81a5449e1c6d162228c55d1bd467"></a><!-- doxytag: member="dsmark.c::rtnl_qdisc_dsmark_get_set_tc_index" ref="ga72da81a5449e1c6d162228c55d1bd467" args="(struct rtnl_qdisc *qdisc)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int rtnl_qdisc_dsmark_get_set_tc_index </td>
          <td>(</td>
          <td class="paramtype">struct rtnl_qdisc *&#160;</td>
          <td class="paramname"><em>qdisc</em></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">qdisc</td><td>DSMARK qdisc to be modified. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>1 or 0 to indicate wehther the flag is enabled or a negative error code. </dd></dl>

<p>Definition at line <a class="el" href="dsmark_8c_source.html#l00419">419</a> of file <a class="el" href="dsmark_8c_source.html">dsmark.c</a>.</p>
<div class="fragment"><pre class="fragment">{
        <span class="keyword">struct </span>rtnl_dsmark_qdisc *dsmark;

        dsmark = dsmark_qdisc(qdisc);
        <span class="keywordflow">if</span> (dsmark &amp;&amp; dsmark-&gt;qdm_mask &amp; SCH_DSMARK_ATTR_SET_TC_INDEX)
                <span class="keywordflow">return</span> dsmark-&gt;qdm_set_tc_index;
        <span class="keywordflow">else</span>
                <span class="keywordflow">return</span> nl_errno(ENOENT);
}
</pre></div>
</div>
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