<!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"/> <title>libnl: lib/route/qdisc_api.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.7.3 --> <div id="top"> <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">1.1</span></div> </td> </tr> </tbody> </table> </div> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div id="navrow2" class="tabs2"> <ul class="tablist"> <li><a href="files.html"><span>File List</span></a></li> </ul> </div> <div class="header"> <div class="headertitle"> <h1>lib/route/qdisc_api.c</h1> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * lib/route/qdisc_api.c Queueing Discipline Module API</span> <a name="l00003"></a>00003 <span class="comment"> *</span> <a name="l00004"></a>00004 <span class="comment"> * This library is free software; you can redistribute it and/or</span> <a name="l00005"></a>00005 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span> <a name="l00006"></a>00006 <span class="comment"> * License as published by the Free Software Foundation version 2.1</span> <a name="l00007"></a>00007 <span class="comment"> * of the License.</span> <a name="l00008"></a>00008 <span class="comment"> *</span> <a name="l00009"></a>00009 <span class="comment"> * Copyright (c) 2003-2006 Thomas Graf <tgraf@suug.ch></span> <a name="l00010"></a>00010 <span class="comment"> */</span> <a name="l00011"></a>00011 <span class="comment"></span> <a name="l00012"></a>00012 <span class="comment">/**</span> <a name="l00013"></a>00013 <span class="comment"> * @ingroup qdisc</span> <a name="l00014"></a>00014 <span class="comment"> * @defgroup qdisc_api Queueing Discipline Modules</span> <a name="l00015"></a>00015 <span class="comment"> * @{</span> <a name="l00016"></a>00016 <span class="comment"> */</span> <a name="l00017"></a>00017 <a name="l00018"></a>00018 <span class="preprocessor">#include <netlink-local.h></span> <a name="l00019"></a>00019 <span class="preprocessor">#include <netlink-tc.h></span> <a name="l00020"></a>00020 <span class="preprocessor">#include <netlink/netlink.h></span> <a name="l00021"></a>00021 <span class="preprocessor">#include <netlink/utils.h></span> <a name="l00022"></a>00022 <span class="preprocessor">#include <netlink/route/link.h></span> <a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/route/tc.h></span> <a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/route/qdisc.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <netlink/route/class.h></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <netlink/route/classifier.h></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <netlink/route/qdisc-modules.h></span> <a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *qdisc_ops_list; <a name="l00030"></a>00030 <span class="comment"></span> <a name="l00031"></a>00031 <span class="comment">/**</span> <a name="l00032"></a>00032 <span class="comment"> * @name Module API</span> <a name="l00033"></a>00033 <span class="comment"> * @{</span> <a name="l00034"></a>00034 <span class="comment"> */</span> <a name="l00035"></a>00035 <span class="comment"></span> <a name="l00036"></a>00036 <span class="comment">/**</span> <a name="l00037"></a>00037 <span class="comment"> * Register a qdisc module</span> <a name="l00038"></a>00038 <span class="comment"> * @arg qops qdisc module operations</span> <a name="l00039"></a>00039 <span class="comment"> */</span> <a name="l00040"></a><a class="code" href="group__qdisc__api.html#ga52a96211c54bed89f60bc4b106747133">00040</a> <span class="keywordtype">int</span> <a class="code" href="group__qdisc__api.html#ga52a96211c54bed89f60bc4b106747133" title="Register a qdisc module.">rtnl_qdisc_register</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *qops) <a name="l00041"></a>00041 { <a name="l00042"></a>00042 <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *o, **op; <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="keywordflow">if</span> (!qops-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>[0]) <a name="l00045"></a>00045 BUG(); <a name="l00046"></a>00046 <a name="l00047"></a>00047 <span class="keywordflow">for</span> (op = &qdisc_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__qdisc__ops.html#a4e13a161f3ac52180603c371d3803426" title="INTERNAL (Do not use)">qo_next</a>) <a name="l00048"></a>00048 <span class="keywordflow">if</span> (!strcasecmp(qops-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>, o-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>)) <a name="l00049"></a>00049 <span class="keywordflow">return</span> nl_errno(EEXIST); <a name="l00050"></a>00050 <a name="l00051"></a>00051 qops-><a class="code" href="structrtnl__qdisc__ops.html#a4e13a161f3ac52180603c371d3803426" title="INTERNAL (Do not use)">qo_next</a> = NULL; <a name="l00052"></a>00052 *op = qops; <a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="keywordflow">return</span> 0; <a name="l00055"></a>00055 } <a name="l00056"></a>00056 <span class="comment"></span> <a name="l00057"></a>00057 <span class="comment">/**</span> <a name="l00058"></a>00058 <span class="comment"> * Unregister a qdisc module</span> <a name="l00059"></a>00059 <span class="comment"> * @arg qops qdisc module operations</span> <a name="l00060"></a>00060 <span class="comment"> */</span> <a name="l00061"></a><a class="code" href="group__qdisc__api.html#ga0e1c8c70c536964578dd544fd23f80ff">00061</a> <span class="keywordtype">int</span> <a class="code" href="group__qdisc__api.html#ga0e1c8c70c536964578dd544fd23f80ff" title="Unregister a qdisc module.">rtnl_qdisc_unregister</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *qops) <a name="l00062"></a>00062 { <a name="l00063"></a>00063 <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *o, **op; <a name="l00064"></a>00064 <a name="l00065"></a>00065 <span class="keywordflow">for</span> (op = &qdisc_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__qdisc__ops.html#a4e13a161f3ac52180603c371d3803426" title="INTERNAL (Do not use)">qo_next</a>) <a name="l00066"></a>00066 <span class="keywordflow">if</span> (!strcasecmp(qops-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>, o-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>)) <a name="l00067"></a>00067 <span class="keywordflow">break</span>; <a name="l00068"></a>00068 <a name="l00069"></a>00069 <span class="keywordflow">if</span> (!o) <a name="l00070"></a>00070 <span class="keywordflow">return</span> nl_errno(ENOENT); <a name="l00071"></a>00071 <a name="l00072"></a>00072 *op = qops-><a class="code" href="structrtnl__qdisc__ops.html#a4e13a161f3ac52180603c371d3803426" title="INTERNAL (Do not use)">qo_next</a>; <a name="l00073"></a>00073 <a name="l00074"></a>00074 <span class="keywordflow">return</span> 0; <a name="l00075"></a>00075 } <a name="l00076"></a>00076 <a name="l00077"></a>00077 <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *__rtnl_qdisc_lookup_ops(<span class="keyword">const</span> <span class="keywordtype">char</span> *kind) <a name="l00078"></a>00078 { <a name="l00079"></a>00079 <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *qops; <a name="l00080"></a>00080 <a name="l00081"></a>00081 <span class="keywordflow">for</span> (qops = qdisc_ops_list; qops; qops = qops-><a class="code" href="structrtnl__qdisc__ops.html#a4e13a161f3ac52180603c371d3803426" title="INTERNAL (Do not use)">qo_next</a>) <a name="l00082"></a>00082 <span class="keywordflow">if</span> (!strcmp(kind, qops-><a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a>)) <a name="l00083"></a>00083 <span class="keywordflow">return</span> qops; <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordflow">return</span> NULL; <a name="l00086"></a>00086 } <a name="l00087"></a>00087 <a name="l00088"></a>00088 <span class="keyword">struct </span><a class="code" href="structrtnl__qdisc__ops.html" title="Qdisc Operations.">rtnl_qdisc_ops</a> *rtnl_qdisc_lookup_ops(<span class="keyword">struct</span> rtnl_qdisc *qdisc) <a name="l00089"></a>00089 { <a name="l00090"></a>00090 <span class="keywordflow">if</span> (!qdisc->q_ops) <a name="l00091"></a>00091 qdisc->q_ops = __rtnl_qdisc_lookup_ops(qdisc->q_kind); <a name="l00092"></a>00092 <a name="l00093"></a>00093 <span class="keywordflow">return</span> qdisc->q_ops; <a name="l00094"></a>00094 } <a name="l00095"></a>00095 <span class="comment"></span> <a name="l00096"></a>00096 <span class="comment">/** @} */</span> <a name="l00097"></a>00097 <span class="comment"></span> <a name="l00098"></a>00098 <span class="comment">/** @} */</span> </pre></div></div> </div> <hr class="footer"/><address class="footer"><small>Generated on Mon Mar 21 2011 for libnl by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address> </body> </html>