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<h1>lib/route/cls_obj.c</h1> </div>
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<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 Object</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_obj Classifier Object</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 <span class="comment"></span>
<a name="l00027"></a>00027 <span class="comment">/** @cond SKIP */</span>
<a name="l00028"></a>00028 <span class="preprocessor">#define CLS_ATTR_PRIO (TCA_ATTR_MAX << 1)</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define CLS_ATTR_PROTOCOL (TCA_ATTR_MAX << 2)</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="comment">/** @endcond */</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">static</span> <span class="keywordtype">void</span> cls_free_data(<span class="keyword">struct</span> nl_object *obj)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">struct </span>rtnl_cls *cls = (<span class="keyword">struct </span>rtnl_cls *) obj;
<a name="l00035"></a>00035 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 tca_free_data((<span class="keyword">struct</span> rtnl_tca *) cls);
<a name="l00038"></a>00038
<a name="l00039"></a>00039 cops = <a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(cls);
<a name="l00040"></a>00040 <span class="keywordflow">if</span> (cops && cops-><a class="code" href="structrtnl__cls__ops.html#a7ad457029734492104a38dd345a41013" title="Called before a class object gets destroyed.">co_free_data</a>)
<a name="l00041"></a>00041 cops-><a class="code" href="structrtnl__cls__ops.html#a7ad457029734492104a38dd345a41013" title="Called before a class object gets destroyed.">co_free_data</a>(cls);
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043
<a name="l00044"></a>00044 <span class="keyword">static</span> <span class="keywordtype">int</span> cls_clone(<span class="keyword">struct</span> nl_object *_dst, <span class="keyword">struct</span> nl_object *_src)
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 <span class="keyword">struct </span>rtnl_cls *dst = nl_object_priv(_dst);
<a name="l00047"></a>00047 <span class="keyword">struct </span>rtnl_cls *src = nl_object_priv(_src);
<a name="l00048"></a>00048 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00049"></a>00049 <span class="keywordtype">int</span> err;
<a name="l00050"></a>00050
<a name="l00051"></a>00051 err = tca_clone((<span class="keyword">struct</span> rtnl_tca *) dst, (<span class="keyword">struct</span> rtnl_tca *) src);
<a name="l00052"></a>00052 <span class="keywordflow">if</span> (err < 0)
<a name="l00053"></a>00053 <span class="keywordflow">goto</span> errout;
<a name="l00054"></a>00054
<a name="l00055"></a>00055 cops = <a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(src);
<a name="l00056"></a>00056 <span class="keywordflow">if</span> (cops && cops-><a class="code" href="structrtnl__cls__ops.html#ada2fab842894cf420bc58b5121ce1a14" title="Called whenever a classifier object needs to be cloned.">co_clone</a>)
<a name="l00057"></a>00057 err = cops-><a class="code" href="structrtnl__cls__ops.html#ada2fab842894cf420bc58b5121ce1a14" title="Called whenever a classifier object needs to be cloned.">co_clone</a>(dst, src);
<a name="l00058"></a>00058 errout:
<a name="l00059"></a>00059 <span class="keywordflow">return</span> err;
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keywordtype">int</span> cls_dump_brief(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 <span class="keywordtype">char</span> buf[32];
<a name="l00065"></a>00065 <span class="keyword">struct </span>rtnl_cls *cls = (<span class="keyword">struct </span>rtnl_cls *) obj;
<a name="l00066"></a>00066 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00067"></a>00067 <span class="keywordtype">int</span> line;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 line = tca_dump_brief((<span class="keyword">struct</span> rtnl_tca *) cls, <span class="stringliteral">"cls"</span>, p, 0);
<a name="l00070"></a>00070
<a name="l00071"></a>00071 dp_dump(p, <span class="stringliteral">" prio %u protocol %s"</span>, cls->c_prio,
<a name="l00072"></a>00072 nl_ether_proto2str(cls->c_protocol, buf, <span class="keyword">sizeof</span>(buf)));
<a name="l00073"></a>00073
<a name="l00074"></a>00074 cops = <a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(cls);
<a name="l00075"></a>00075 <span class="keywordflow">if</span> (cops && cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a5597887c080d5ecae358b6065a4048fd" title="Dump object in a brief one-liner.">NL_DUMP_BRIEF</a>])
<a name="l00076"></a>00076 line = cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a5597887c080d5ecae358b6065a4048fd" title="Dump object in a brief one-liner.">NL_DUMP_BRIEF</a>](cls, p, line);
<a name="l00077"></a>00077 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keywordflow">return</span> line;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081
<a name="l00082"></a>00082 <span class="keyword">static</span> <span class="keywordtype">int</span> cls_dump_full(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)
<a name="l00083"></a>00083 {
<a name="l00084"></a>00084 <span class="keyword">struct </span>rtnl_cls *cls = (<span class="keyword">struct </span>rtnl_cls *) obj;
<a name="l00085"></a>00085 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00086"></a>00086 <span class="keywordtype">int</span> line;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 line = cls_dump_brief(obj, p);
<a name="l00089"></a>00089 line = tca_dump_full((<span class="keyword">struct</span> rtnl_tca *) cls, p, line);
<a name="l00090"></a>00090
<a name="l00091"></a>00091 cops = <a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(cls);
<a name="l00092"></a>00092 <span class="keywordflow">if</span> (cops && cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a1445106c7af529b2c99ee289fbcd3179" title="Dump all attributes but no statistics.">NL_DUMP_FULL</a>])
<a name="l00093"></a>00093 line = cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a1445106c7af529b2c99ee289fbcd3179" title="Dump all attributes but no statistics.">NL_DUMP_FULL</a>](cls, p, line);
<a name="l00094"></a>00094 <span class="keywordflow">else</span>
<a name="l00095"></a>00095 dp_dump(p, <span class="stringliteral">"no options\n"</span>);
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="keywordflow">return</span> line;
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keyword">static</span> <span class="keywordtype">int</span> cls_dump_stats(<span class="keyword">struct</span> nl_object *obj, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <span class="keyword">struct </span>rtnl_cls *cls = (<span class="keyword">struct </span>rtnl_cls *) obj;
<a name="l00103"></a>00103 <span class="keyword">struct </span><a class="code" href="structrtnl__cls__ops.html" title="Classifier operations.">rtnl_cls_ops</a> *cops;
<a name="l00104"></a>00104 <span class="keywordtype">int</span> line;
<a name="l00105"></a>00105
<a name="l00106"></a>00106 line = cls_dump_full(obj, p);
<a name="l00107"></a>00107 line = tca_dump_stats((<span class="keyword">struct</span> rtnl_tca *) cls, p, line);
<a name="l00108"></a>00108 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00109"></a>00109
<a name="l00110"></a>00110 cops = <a class="code" href="group__cls__api.html#ga186a8b0848c2662a7abe4d742d7ec008" title="Lookup classifier operations for a classifier object.">rtnl_cls_lookup_ops</a>(cls);
<a name="l00111"></a>00111 <span class="keywordflow">if</span> (cops && cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a8ebedc55094df6175b84fb1230047a65" title="Dump all attributes including statistics.">NL_DUMP_STATS</a>])
<a name="l00112"></a>00112 line = cops-><a class="code" href="structrtnl__cls__ops.html#a2496dda7c0e7f7fe3fdce8ec80fbd03f" title="Dump callbacks.">co_dump</a>[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a8ebedc55094df6175b84fb1230047a65" title="Dump all attributes including statistics.">NL_DUMP_STATS</a>](cls, p, line);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="keywordflow">return</span> line;
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116 <span class="comment"></span>
<a name="l00117"></a>00117 <span class="comment">/**</span>
<a name="l00118"></a>00118 <span class="comment"> * @name Allocation/Freeing</span>
<a name="l00119"></a>00119 <span class="comment"> * @{</span>
<a name="l00120"></a>00120 <span class="comment"> */</span>
<a name="l00121"></a>00121
<a name="l00122"></a>00122 <span class="keyword">struct </span>rtnl_cls *rtnl_cls_alloc(<span class="keywordtype">void</span>)
<a name="l00123"></a>00123 {
<a name="l00124"></a>00124 <span class="keywordflow">return</span> (<span class="keyword">struct</span> rtnl_cls *) <a class="code" href="group__object.html#ga9c1f2fd887d8325839f452879cdf982a" title="Allocate a new object of kind specified by the operations handle.">nl_object_alloc</a>(&cls_obj_ops);
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keywordtype">void</span> rtnl_cls_put(<span class="keyword">struct</span> rtnl_cls *cls)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 <a class="code" href="group__object.html#ga9905da094bf4c03cf4ac78aeaa86a12b" title="Release a reference from an object.">nl_object_put</a>((<span class="keyword">struct</span> nl_object *) cls);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131 <span class="comment"></span>
<a name="l00132"></a>00132 <span class="comment">/** @} */</span>
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="comment"></span>
<a name="l00135"></a>00135 <span class="comment">/**</span>
<a name="l00136"></a>00136 <span class="comment"> * @name Attributes</span>
<a name="l00137"></a>00137 <span class="comment"> * @{</span>
<a name="l00138"></a>00138 <span class="comment"> */</span>
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordtype">void</span> rtnl_cls_set_ifindex(<span class="keyword">struct</span> rtnl_cls *f, <span class="keywordtype">int</span> ifindex)
<a name="l00141"></a>00141 {
<a name="l00142"></a>00142 tca_set_ifindex((<span class="keyword">struct</span> rtnl_tca *) f, ifindex);
<a name="l00143"></a>00143 }
<a name="l00144"></a>00144
<a name="l00145"></a>00145 <span class="keywordtype">void</span> rtnl_cls_set_handle(<span class="keyword">struct</span> rtnl_cls *f, uint32_t handle)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 tca_set_handle((<span class="keyword">struct</span> rtnl_tca *) f, handle);
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="keywordtype">void</span> rtnl_cls_set_parent(<span class="keyword">struct</span> rtnl_cls *f, uint32_t parent)
<a name="l00151"></a>00151 {
<a name="l00152"></a>00152 tca_set_parent((<span class="keyword">struct</span> rtnl_tca *) f, parent);
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keywordtype">void</span> rtnl_cls_set_kind(<span class="keyword">struct</span> rtnl_cls *f, <span class="keyword">const</span> <span class="keywordtype">char</span> *kind)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 tca_set_kind((<span class="keyword">struct</span> rtnl_tca *) f, kind);
<a name="l00158"></a>00158 f->c_ops = __rtnl_cls_lookup_ops(kind);
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 <span class="keywordtype">void</span> rtnl_cls_set_prio(<span class="keyword">struct</span> rtnl_cls *cls, <span class="keywordtype">int</span> prio)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 cls->c_prio = prio;
<a name="l00164"></a>00164 cls->ce_mask |= CLS_ATTR_PRIO;
<a name="l00165"></a>00165 }
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordtype">int</span> rtnl_cls_get_prio(<span class="keyword">struct</span> rtnl_cls *cls)
<a name="l00168"></a>00168 {
<a name="l00169"></a>00169 <span class="keywordflow">if</span> (cls->ce_mask & CLS_ATTR_PRIO)
<a name="l00170"></a>00170 <span class="keywordflow">return</span> cls->c_prio;
<a name="l00171"></a>00171 <span class="keywordflow">else</span>
<a name="l00172"></a>00172 <span class="keywordflow">return</span> 0;
<a name="l00173"></a>00173 }
<a name="l00174"></a>00174
<a name="l00175"></a>00175 <span class="keywordtype">void</span> rtnl_cls_set_protocol(<span class="keyword">struct</span> rtnl_cls *cls, <span class="keywordtype">int</span> protocol)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 cls->c_protocol = protocol;
<a name="l00178"></a>00178 cls->ce_mask |= CLS_ATTR_PROTOCOL;
<a name="l00179"></a>00179 }
<a name="l00180"></a>00180
<a name="l00181"></a>00181 <span class="keywordtype">int</span> rtnl_cls_get_protocol(<span class="keyword">struct</span> rtnl_cls *cls)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordflow">if</span> (cls->ce_mask & CLS_ATTR_PROTOCOL)
<a name="l00184"></a>00184 <span class="keywordflow">return</span> cls->c_protocol;
<a name="l00185"></a>00185 <span class="keywordflow">else</span>
<a name="l00186"></a>00186 <span class="keywordflow">return</span> ETH_P_ALL;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188 <span class="comment"></span>
<a name="l00189"></a>00189 <span class="comment">/** @} */</span>
<a name="l00190"></a>00190
<a name="l00191"></a>00191 <span class="keyword">struct </span><a class="code" href="structnl__object__ops.html" title="Object Operations.">nl_object_ops</a> cls_obj_ops = {
<a name="l00192"></a>00192 .<a class="code" href="structnl__object__ops.html#a5225584343fe711642303e000b036ee9" title="Unique name of object type.">oo_name</a> = <span class="stringliteral">"route/cls"</span>,
<a name="l00193"></a>00193 .oo_size = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>rtnl_cls),
<a name="l00194"></a>00194 .oo_free_data = cls_free_data,
<a name="l00195"></a>00195 .oo_clone = cls_clone,
<a name="l00196"></a>00196 .oo_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a5597887c080d5ecae358b6065a4048fd" title="Dump object in a brief one-liner.">NL_DUMP_BRIEF</a>] = cls_dump_brief,
<a name="l00197"></a>00197 .oo_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a1445106c7af529b2c99ee289fbcd3179" title="Dump all attributes but no statistics.">NL_DUMP_FULL</a>] = cls_dump_full,
<a name="l00198"></a>00198 .oo_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a8ebedc55094df6175b84fb1230047a65" title="Dump all attributes including statistics.">NL_DUMP_STATS</a>] = cls_dump_stats,
<a name="l00199"></a>00199 .oo_compare = tca_compare,
<a name="l00200"></a>00200 .oo_id_attrs = (TCA_ATTR_IFINDEX | TCA_ATTR_HANDLE),
<a name="l00201"></a>00201 };
<a name="l00202"></a>00202 <span class="comment"></span>
<a name="l00203"></a>00203 <span class="comment">/** @} */</span>
</pre></div></div>
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