<!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/cls_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/cls_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/cls_api.c Classifier 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 cls</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup cls_api Classifier 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/tc.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/route/classifier.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/route/classifier-modules.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <netlink/route/link.h></span>
<a name="l00026"></a>00026
<a name="l00027"></a>00027 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cls_ops_list;
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">/**</span>
<a name="l00030"></a>00030 <span class="comment"> * @name Classifier Module API</span>
<a name="l00031"></a>00031 <span class="comment"> * @{</span>
<a name="l00032"></a>00032 <span class="comment"> */</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"> * Register a classifier module</span>
<a name="l00036"></a>00036 <span class="comment"> * @arg cops classifier module operations</span>
<a name="l00037"></a>00037 <span class="comment"> */</span>
<a name="l00038"></a><a class="code" href="group__cls__api.html#ga9cfec6c1566e00f9ca77cce6839dbc41">00038</a> <span class="keywordtype">int</span> <a class="code" href="group__cls__api.html#ga9cfec6c1566e00f9ca77cce6839dbc41" title="Register a classifier module.">rtnl_cls_register</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops)
<a name="l00039"></a>00039 {
<a name="l00040"></a>00040 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *o, **op;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keywordflow">if</span> (!cops-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>)
<a name="l00043"></a>00043 BUG();
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keywordflow">for</span> (op = &cls_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__cls__ops.html#a65244fbc9fc77018b053e517fdcf19bd" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00046"></a>00046 <span class="keywordflow">if</span> (!strcasecmp(cops-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>, o-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>))
<a name="l00047"></a>00047 <span class="keywordflow">return</span> nl_errno(EEXIST);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 cops-><a class="code" href="structrtnl__cls__ops.html#a65244fbc9fc77018b053e517fdcf19bd" title="INTERNAL (Do not use)">co_next</a> = NULL;
<a name="l00050"></a>00050 *op = cops;
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keywordflow">return</span> 0;
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054 <span class="comment"></span>
<a name="l00055"></a>00055 <span class="comment">/**</span>
<a name="l00056"></a>00056 <span class="comment"> * Unregister a classifier module</span>
<a name="l00057"></a>00057 <span class="comment"> * @arg cops classifier module operations</span>
<a name="l00058"></a>00058 <span class="comment"> */</span>
<a name="l00059"></a><a class="code" href="group__cls__api.html#ga271e9fdd32cfffd6b5f4c9c53db8e0da">00059</a> <span class="keywordtype">int</span> <a class="code" href="group__cls__api.html#ga271e9fdd32cfffd6b5f4c9c53db8e0da" title="Unregister a classifier module.">rtnl_cls_unregister</a>(<span class="keyword">struct</span> <a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *o, **op;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordflow">for</span> (op = &cls_ops_list; (o = *op) != NULL; op = &o-><a class="code" href="structrtnl__cls__ops.html#a65244fbc9fc77018b053e517fdcf19bd" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (!strcasecmp(cops-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>, o-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>))
<a name="l00065"></a>00065 <span class="keywordflow">break</span>;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (!o)
<a name="l00068"></a>00068 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 *op = cops-><a class="code" href="structrtnl__cls__ops.html#a65244fbc9fc77018b053e517fdcf19bd" title="INTERNAL (Do not use)">co_next</a>;
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keywordflow">return</span> 0;
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *__rtnl_cls_lookup_ops(<span class="keyword">const</span> <span class="keywordtype">char</span> *kind)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">for</span> (cops = cls_ops_list; cops; cops = cops-><a class="code" href="structrtnl__cls__ops.html#a65244fbc9fc77018b053e517fdcf19bd" title="INTERNAL (Do not use)">co_next</a>)
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (!strcmp(kind, cops-><a class="code" href="structrtnl__cls__ops.html#aefa372f798d154453883161cc7bd1b80" title="Kind/Name of classifier.">co_kind</a>))
<a name="l00081"></a>00081 <span class="keywordflow">return</span> cops;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordflow">return</span> NULL;
<a name="l00084"></a>00084 }
<a name="l00085"></a>00085 <span class="comment"></span>
<a name="l00086"></a>00086 <span class="comment">/**</span>
<a name="l00087"></a>00087 <span class="comment"> * Lookup classifier operations for a classifier object</span>
<a name="l00088"></a>00088 <span class="comment"> * @arg cls Classifier object.</span>
<a name="l00089"></a>00089 <span class="comment"> *</span>
<a name="l00090"></a>00090 <span class="comment"> * @return Classifier operations or NULL if not found.</span>
<a name="l00091"></a>00091 <span class="comment"> */</span>
<a name="l00092"></a><a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008">00092</a> <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *<a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(<span class="keyword">struct</span> rtnl_cls *cls)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (!cls->c_ops)
<a name="l00095"></a>00095 cls->c_ops = __rtnl_cls_lookup_ops(cls->c_kind);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">return</span> cls->c_ops;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="comment"></span>
<a name="l00101"></a>00101 <span class="comment">/** @} */</span>
<a name="l00102"></a>00102 <span class="comment"></span>
<a name="l00103"></a>00103 <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>
distrib
>
Fedora
>
14
>
x86_64
>
media
>
updates
>
by-pkgid
>
87b89b73c41f4440bb86afd421c7548f
>
files
>
86
