<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <title>libnl: /home/tgraf/dev/libnl/lib/route/cls/basic.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> $(document).ready(initResizable); </script> <link href="libnl.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">libnl  <span id="projectnumber">3.2.21</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.1.1 --> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> </ul> </div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> $(document).ready(function(){initNavTree('lib_2route_2cls_2basic_8c.html','');}); </script> <div id="doc-content"> <div class="header"> <div class="headertitle"> <div class="title">basic.c</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div> <div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * lib/route/cls/basic.c Basic Classifier</span></div> <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div> <div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div> <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span></div> <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * License as published by the Free Software Foundation version 2.1</span></div> <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * of the License.</span></div> <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Copyright (c) 2008-2013 Thomas Graf <tgraf@suug.ch></span></div> <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> */</span></div> <div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/**</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * @ingroup cls</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * @defgroup cls_basic Basic Classifier</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * @par Introduction</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * The basic classifier is the simplest form of a classifier. It does</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * not have any special classification capabilities, instead it can be</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * used to classify exclusively based on extended matches or to</span></div> <div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * create a "catch-all" filter.</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> */</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <netlink-private/netlink.h></span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <netlink-private/tc.h></span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <netlink/netlink.h></span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <netlink-private/route/tc-api.h></span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <netlink/route/classifier.h></span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <netlink/route/cls/basic.h></span></div> <div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <netlink/route/cls/ematch.h></span></div> <div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div> <div class="line"><a name="l00033"></a><span class="lineno"><a class="code" href="structrtnl__basic.html"> 33</a></span> <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> {</div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  uint32_t b_target;</div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">struct </span>rtnl_ematch_tree * b_ematch;</div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">int</span> b_mask;</div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> };</div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"></span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">/** @cond SKIP */</span></div> <div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#define BASIC_ATTR_TARGET 0x001</span></div> <div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor"></span><span class="preprocessor">#define BASIC_ATTR_EMATCH 0x002</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span><span class="comment">/** @endcond */</span></div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div> <div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnla__policy.html" title="Attribute validation policy.">nla_policy</a> basic_policy[TCA_BASIC_MAX+1] = {</div> <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  [TCA_BASIC_CLASSID] = { .<a class="code" href="structnla__policy.html#aaa36c9d1e298fc9e4ee16a8fb553b32a" title="Type of attribute or NLA_UNSPEC.">type</a> = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7abddb836025b456b06b025c293bff6dc8" title="32 bit integer">NLA_U32</a> },</div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  [TCA_BASIC_EMATCHES] = { .type = <a class="code" href="group__attr.html#ggadf764cbdea00d65edcd07bb9953ad2b7a925c06a260a9ffaef80ee4aa13738e19" title="Nested attributes.">NLA_NESTED</a> },</div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> };</div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> </div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">static</span> <span class="keywordtype">int</span> basic_clone(<span class="keywordtype">void</span> *_dst, <span class="keywordtype">void</span> *_src)</div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> {</div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">return</span> -NLE_OPNOTSUPP;</div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> }</div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">static</span> <span class="keywordtype">void</span> basic_free_data(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">void</span> *data)</div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b = data;</div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div> <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (!b)</div> <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div> <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="group__ematch.html#ga3e8ad918e1d3481b469a9edd6291875e" title="Free ematch tree object.">rtnl_ematch_tree_free</a>(b->b_ematch);</div> <div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div> <div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div> <div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keyword">static</span> <span class="keywordtype">int</span> basic_msg_parser(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">void</span> *data)</div> <div class="line"><a name="l00066"></a><span class="lineno"> 66</span> {</div> <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">struct </span>nlattr *tb[TCA_BASIC_MAX + 1];</div> <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b = data;</div> <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">int</span> err;</div> <div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div> <div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  err = tca_parse(tb, TCA_BASIC_MAX, tc, basic_policy);</div> <div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">if</span> (err < 0)</div> <div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div> <div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">if</span> (tb[TCA_BASIC_CLASSID]) {</div> <div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  b->b_target = <a class="code" href="group__attr.html#gabda0290a8b26cc577c2c5cefa814aeac" title="Return payload of 32 bit integer attribute.">nla_get_u32</a>(tb[TCA_BASIC_CLASSID]);</div> <div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  b->b_mask |= BASIC_ATTR_TARGET;</div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  }</div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> </div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordflow">if</span> (tb[TCA_BASIC_EMATCHES]) {</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">if</span> ((err = <a class="code" href="group__ematch.html#gaaf3c76fa97f70a252154ca2055fed4d3" title="Parse ematch netlink attributes.">rtnl_ematch_parse_attr</a>(tb[TCA_BASIC_EMATCHES],</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  &b->b_ematch)) < 0)</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">return</span> err;</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (b->b_ematch)</div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  b->b_mask |= BASIC_ATTR_EMATCH;</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="keyword">static</span> <span class="keywordtype">void</span> basic_dump_line(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">void</span> *data,</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span> {</div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b = data;</div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">char</span> buf[32];</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (!b)</div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span> </div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (b->b_mask & BASIC_ATTR_EMATCH)</div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">" ematch"</span>);</div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">else</span></div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">" match-all"</span>);</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div> <div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">if</span> (b->b_mask & BASIC_ATTR_TARGET)</div> <div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">" target %s"</span>,</div> <div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="group__classid.html#ga27fad2a239d4d8d932da0ce1bdbf1f9f" title="Convert a traffic control handle to a character string (Reentrant).">rtnl_tc_handle2str</a>(b->b_target, buf, <span class="keyword">sizeof</span>(buf)));</div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span> }</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div> <div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">static</span> <span class="keywordtype">void</span> basic_dump_details(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">void</span> *data,</div> <div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)</div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span> {</div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b = data;</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span> (!b)</div> <div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div> <div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">if</span> (b->b_mask & BASIC_ATTR_EMATCH) {</div> <div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  nl_dump_line(p, <span class="stringliteral">" ematch "</span>);</div> <div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  rtnl_ematch_tree_dump(b->b_ematch, p);</div> <div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  } <span class="keywordflow">else</span></div> <div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <a class="code" href="group__utils.html#ga527075856a5427170865a6f409298cdf" title="Dump a formatted character string.">nl_dump</a>(p, <span class="stringliteral">"no options.\n"</span>);</div> <div class="line"><a name="l00124"></a><span class="lineno"> 124</span> }</div> <div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div> <div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword">static</span> <span class="keywordtype">int</span> basic_msg_fill(<span class="keyword">struct</span> rtnl_tc *tc, <span class="keywordtype">void</span> *data,</div> <div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">struct</span> nl_msg *msg)</div> <div class="line"><a name="l00128"></a><span class="lineno"> 128</span> {</div> <div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b = data;</div> <div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div> <div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (!b)</div> <div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div> <div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (!(b->b_mask & BASIC_ATTR_TARGET))</div> <div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">return</span> -NLE_MISSING_ATTR;</div> <div class="line"><a name="l00136"></a><span class="lineno"> 136</span> </div> <div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="group__attr.html#ga7a6c08ff8d41ccefde252506e2891b54" title="Add 32 bit integer attribute to netlink message.">NLA_PUT_U32</a>(msg, TCA_BASIC_CLASSID, b->b_target);</div> <div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div> <div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (b->b_mask & BASIC_ATTR_EMATCH &&</div> <div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  rtnl_ematch_fill_attr(msg, TCA_BASIC_EMATCHES, b->b_ematch) < 0)</div> <div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">goto</span> nla_put_failure;</div> <div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div> <div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div> <div class="line"><a name="l00145"></a><span class="lineno"> 145</span> nla_put_failure:</div> <div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> -NLE_NOMEM;</div> <div class="line"><a name="l00147"></a><span class="lineno"> 147</span> }</div> <div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"></span></div> <div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="comment">/**</span></div> <div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="comment"> * @name Attribute Modifications</span></div> <div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment"> * @{</span></div> <div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="comment"> */</span></div> <div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div> <div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">void</span> rtnl_basic_set_target(<span class="keyword">struct</span> rtnl_cls *cls, uint32_t target)</div> <div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div> <div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b;</div> <div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div> <div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (!(b = <a class="code" href="group__tc.html#ga092adc6b4b81da71edf5d88722ed7f4d" title="Return pointer to private data of traffic control object.">rtnl_tc_data</a>(<a class="code" href="group__tc.html#ga7a1d261be10f1d8d0a7cdb3e6b7c2214" title="Macro to cast qdisc/class/classifier to tc object.">TC_CAST</a>(cls))))</div> <div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00160"></a><span class="lineno"> 160</span> </div> <div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  b->b_target = target;</div> <div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  b->b_mask |= BASIC_ATTR_TARGET;</div> <div class="line"><a name="l00163"></a><span class="lineno"> 163</span> }</div> <div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div> <div class="line"><a name="l00165"></a><span class="lineno"> 165</span> uint32_t rtnl_basic_get_target(<span class="keyword">struct</span> rtnl_cls *cls)</div> <div class="line"><a name="l00166"></a><span class="lineno"> 166</span> {</div> <div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b;</div> <div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div> <div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">if</span> (!(b = <a class="code" href="group__tc.html#ga092adc6b4b81da71edf5d88722ed7f4d" title="Return pointer to private data of traffic control object.">rtnl_tc_data</a>(<a class="code" href="group__tc.html#ga7a1d261be10f1d8d0a7cdb3e6b7c2214" title="Macro to cast qdisc/class/classifier to tc object.">TC_CAST</a>(cls))))</div> <div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> 0;</div> <div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div> <div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">return</span> b->b_target;</div> <div class="line"><a name="l00173"></a><span class="lineno"> 173</span> }</div> <div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div> <div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="keywordtype">void</span> rtnl_basic_set_ematch(<span class="keyword">struct</span> rtnl_cls *cls, <span class="keyword">struct</span> rtnl_ematch_tree *tree)</div> <div class="line"><a name="l00176"></a><span class="lineno"> 176</span> {</div> <div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b;</div> <div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div> <div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">if</span> (!(b = <a class="code" href="group__tc.html#ga092adc6b4b81da71edf5d88722ed7f4d" title="Return pointer to private data of traffic control object.">rtnl_tc_data</a>(<a class="code" href="group__tc.html#ga7a1d261be10f1d8d0a7cdb3e6b7c2214" title="Macro to cast qdisc/class/classifier to tc object.">TC_CAST</a>(cls))))</div> <div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">return</span>;</div> <div class="line"><a name="l00181"></a><span class="lineno"> 181</span> </div> <div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> (b->b_ematch) {</div> <div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="group__ematch.html#ga3e8ad918e1d3481b469a9edd6291875e" title="Free ematch tree object.">rtnl_ematch_tree_free</a>(b->b_ematch);</div> <div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  b->b_mask &= ~BASIC_ATTR_EMATCH;</div> <div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div> <div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div> <div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  b->b_ematch = tree;</div> <div class="line"><a name="l00188"></a><span class="lineno"> 188</span> </div> <div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (tree)</div> <div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  b->b_mask |= BASIC_ATTR_EMATCH;</div> <div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div> <div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div> <div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="keyword">struct </span>rtnl_ematch_tree *rtnl_basic_get_ematch(<span class="keyword">struct</span> rtnl_cls *cls)</div> <div class="line"><a name="l00194"></a><span class="lineno"> 194</span> {</div> <div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a> *b;</div> <div class="line"><a name="l00196"></a><span class="lineno"> 196</span> </div> <div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (!(b = <a class="code" href="group__tc.html#ga092adc6b4b81da71edf5d88722ed7f4d" title="Return pointer to private data of traffic control object.">rtnl_tc_data</a>(<a class="code" href="group__tc.html#ga7a1d261be10f1d8d0a7cdb3e6b7c2214" title="Macro to cast qdisc/class/classifier to tc object.">TC_CAST</a>(cls))))</div> <div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">return</span> NULL;</div> <div class="line"><a name="l00199"></a><span class="lineno"> 199</span> </div> <div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">return</span> b->b_ematch;</div> <div class="line"><a name="l00201"></a><span class="lineno"> 201</span> }</div> <div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="comment"></span></div> <div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="comment">/** @} */</span></div> <div class="line"><a name="l00204"></a><span class="lineno"> 204</span> </div> <div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="keyword">static</span> <span class="keyword">struct </span>rtnl_tc_ops basic_ops = {</div> <div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  .to_kind = <span class="stringliteral">"basic"</span>,</div> <div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  .to_type = RTNL_TC_TYPE_CLS,</div> <div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  .to_size = <span class="keyword">sizeof</span>(<span class="keyword">struct </span><a class="code" href="structrtnl__basic.html">rtnl_basic</a>),</div> <div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  .to_msg_parser = basic_msg_parser,</div> <div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  .to_clone = basic_clone,</div> <div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  .to_free_data = basic_free_data,</div> <div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  .to_msg_fill = basic_msg_fill,</div> <div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  .to_dump = {</div> <div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a9709ad7bc10b7bd3c70df3f20346edc1" title="Dump object briefly on one line.">NL_DUMP_LINE</a>] = basic_dump_line,</div> <div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  [<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9ac026c3d5f94da73f82e0f796138a409e" title="Dump all attributes but no statistics.">NL_DUMP_DETAILS</a>] = basic_dump_details,</div> <div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  },</div> <div class="line"><a name="l00217"></a><span class="lineno"> 217</span> };</div> <div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div> <div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __init basic_init(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00220"></a><span class="lineno"> 220</span> {</div> <div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <a class="code" href="group__tc.html#gaa0414b122c543c505142a3bd4107f15a" title="Register a traffic control module.">rtnl_tc_register</a>(&basic_ops);</div> <div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div> <div class="line"><a name="l00223"></a><span class="lineno"> 223</span> </div> <div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="keyword">static</span> <span class="keywordtype">void</span> __exit basic_exit(<span class="keywordtype">void</span>)</div> <div class="line"><a name="l00225"></a><span class="lineno"> 225</span> {</div> <div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <a class="code" href="group__tc.html#gaa65323d922329c28b0d55f8071eed79e" title="Unregister a traffic control module.">rtnl_tc_unregister</a>(&basic_ops);</div> <div class="line"><a name="l00227"></a><span class="lineno"> 227</span> }</div> <div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment"></span></div> <div class="line"><a name="l00229"></a><span class="lineno"> 229</span> <span class="comment">/** @} */</span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_97aefd0d527b934f1d99a682da8fe6a9.html">lib</a></li><li class="navelem"><a class="el" href="dir_6ea1c71b5c80bed88332ed2515f92a3e.html">route</a></li><li class="navelem"><a class="el" href="dir_703c7f320522b23d23e4cdf8b6ef071f.html">cls</a></li><li class="navelem"><b>basic.c</b></li> <li class="footer">Generated on Thu Jan 24 2013 14:39:29 for libnl by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.1.1 </li> </ul> </div> </body> </html>