<!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/sch/netem.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/sch/netem.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/sch/netem.c Network Emulator Qdisc</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_api</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup netem Network Emulator</span>
<a name="l00015"></a>00015 <span class="comment"> * @brief</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * For further documentation see http://linux-net.osdl.org/index.php/Netem</span>
<a name="l00018"></a>00018 <span class="comment"> * @{</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include <netlink-local.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <netlink-tc.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/netlink.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <netlink/route/qdisc.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <netlink/route/qdisc-modules.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <netlink/route/sch/netem.h></span>
<a name="l00028"></a>00028 <span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment">/** @cond SKIP */</span>
<a name="l00030"></a>00030 <span class="preprocessor">#define SCH_NETEM_ATTR_LATENCY 0x001</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_LIMIT 0x002</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_LOSS 0x004</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_GAP 0x008</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_DUPLICATE 0x010</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_JITTER 0x020</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_DELAY_CORR 0x040</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_LOSS_CORR 0x080</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_DUP_CORR 0x100</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_RO_PROB 0x200</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#define SCH_NETEM_ATTR_RO_CORR 0x400</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="comment">/** @endcond */</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span>rtnl_netem *netem_qdisc(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00044"></a>00044 {
<a name="l00045"></a>00045 <span class="keywordflow">return</span> (<span class="keyword">struct</span> rtnl_netem *) qdisc->q_subdata;
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="keyword">static</span> <span class="keyword">inline</span> <span class="keyword">struct </span>rtnl_netem *netem_alloc(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050 <span class="keywordflow">if</span> (!qdisc->q_subdata)
<a name="l00051"></a>00051 qdisc->q_subdata = calloc(1, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> rtnl_netem));
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordflow">return</span> netem_qdisc(qdisc);
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnla__policy.html" title="attribute validation policy">nla_policy</a> netem_policy[TCA_NETEM_MAX+1] = {
<a name="l00057"></a>00057 [TCA_NETEM_CORR] = { .<a class="code" href="structnla__policy.html#a70310d3332cb82c390754bd70b1cb7dd" title="Minimal length of payload required to be available.">minlen</a> = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>tc_netem_corr) },
<a name="l00058"></a>00058 [TCA_NETEM_REORDER] = { .minlen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>tc_netem_reorder) },
<a name="l00059"></a>00059 };
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keyword">static</span> <span class="keywordtype">int</span> netem_msg_parser(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <span class="keywordtype">int</span> len, err = 0;
<a name="l00064"></a>00064 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00065"></a>00065 <span class="keyword">struct </span>tc_netem_qopt *opts;
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (qdisc->q_opts->d_size < <span class="keyword">sizeof</span>(*opts))
<a name="l00068"></a>00068 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Netem specific options size mismatch"</span>);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 netem = netem_alloc(qdisc);
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (!netem)
<a name="l00072"></a>00072 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00073"></a>00073
<a name="l00074"></a>00074 opts = (<span class="keyword">struct </span>tc_netem_qopt *) qdisc->q_opts->d_data;
<a name="l00075"></a>00075 netem->qnm_latency = opts->latency;
<a name="l00076"></a>00076 netem->qnm_limit = opts->limit;
<a name="l00077"></a>00077 netem->qnm_loss = opts->loss;
<a name="l00078"></a>00078 netem->qnm_gap = opts->gap;
<a name="l00079"></a>00079 netem->qnm_duplicate = opts->duplicate;
<a name="l00080"></a>00080 netem->qnm_jitter = opts->jitter;
<a name="l00081"></a>00081
<a name="l00082"></a>00082 netem->qnm_mask = (SCH_NETEM_ATTR_LATENCY | SCH_NETEM_ATTR_LIMIT |
<a name="l00083"></a>00083 SCH_NETEM_ATTR_LOSS | SCH_NETEM_ATTR_GAP |
<a name="l00084"></a>00084 SCH_NETEM_ATTR_DUPLICATE | SCH_NETEM_ATTR_JITTER);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 len = qdisc->q_opts->d_size - <span class="keyword">sizeof</span>(*opts);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">if</span> (len > 0) {
<a name="l00089"></a>00089 <span class="keyword">struct </span>nlattr *tb[TCA_NETEM_MAX+1];
<a name="l00090"></a>00090
<a name="l00091"></a>00091 err = <a class="code" href="group__attr.html#gaa7ad544b5a93034602a442eb26cda92c" title="Parse a stream of attributes into a tb buffer.">nla_parse</a>(tb, TCA_NETEM_MAX, (<span class="keyword">struct</span> nlattr *)
<a name="l00092"></a>00092 qdisc->q_opts->d_data + <span class="keyword">sizeof</span>(*opts),
<a name="l00093"></a>00093 len, netem_policy);
<a name="l00094"></a>00094 <span class="keywordflow">if</span> (err < 0) {
<a name="l00095"></a>00095 free(netem);
<a name="l00096"></a>00096 <span class="keywordflow">return</span> err;
<a name="l00097"></a>00097 }
<a name="l00098"></a>00098
<a name="l00099"></a>00099 <span class="keywordflow">if</span> (tb[TCA_NETEM_CORR]) {
<a name="l00100"></a>00100 <span class="keyword">struct </span>tc_netem_corr cor;
<a name="l00101"></a>00101
<a name="l00102"></a>00102 <a class="code" href="group__attr.html#gaf2cdaf473a1054b9c3fc735ca7275403" title="Copy a netlink attribute into another memory area.">nla_memcpy</a>(&cor, tb[TCA_NETEM_CORR], <span class="keyword">sizeof</span>(cor));
<a name="l00103"></a>00103 netem->qnm_corr.nmc_delay = cor.delay_corr;
<a name="l00104"></a>00104 netem->qnm_corr.nmc_loss = cor.loss_corr;
<a name="l00105"></a>00105 netem->qnm_corr.nmc_duplicate = cor.dup_corr;
<a name="l00106"></a>00106
<a name="l00107"></a>00107 netem->qnm_mask |= (SCH_NETEM_ATTR_DELAY_CORR |
<a name="l00108"></a>00108 SCH_NETEM_ATTR_LOSS_CORR |
<a name="l00109"></a>00109 SCH_NETEM_ATTR_DELAY_CORR);
<a name="l00110"></a>00110 }
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keywordflow">if</span> (tb[TCA_NETEM_REORDER]) {
<a name="l00113"></a>00113 <span class="keyword">struct </span>tc_netem_reorder ro;
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <a class="code" href="group__attr.html#gaf2cdaf473a1054b9c3fc735ca7275403" title="Copy a netlink attribute into another memory area.">nla_memcpy</a>(&ro, tb[TCA_NETEM_REORDER], <span class="keyword">sizeof</span>(ro));
<a name="l00116"></a>00116 netem->qnm_ro.nmro_probability = ro.probability;
<a name="l00117"></a>00117 netem->qnm_ro.nmro_correlation = ro.correlation;
<a name="l00118"></a>00118
<a name="l00119"></a>00119 netem->qnm_mask |= (SCH_NETEM_ATTR_RO_PROB |
<a name="l00120"></a>00120 SCH_NETEM_ATTR_RO_CORR);
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122 }
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="keywordflow">return</span> 0;
<a name="l00125"></a>00125 }
<a name="l00126"></a>00126
<a name="l00127"></a>00127 <span class="keyword">static</span> <span class="keywordtype">void</span> netem_free_data(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00128"></a>00128 {
<a name="l00129"></a>00129 free(qdisc->q_subdata);
<a name="l00130"></a>00130 }
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keyword">static</span> <span class="keywordtype">int</span> netem_dump_brief(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p,
<a name="l00133"></a>00133 <span class="keywordtype">int</span> line)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 <span class="keyword">struct </span>rtnl_netem *netem = netem_qdisc(qdisc);
<a name="l00136"></a>00136
<a name="l00137"></a>00137 <span class="keywordflow">if</span> (netem)
<a name="l00138"></a>00138 dp_dump(p, <span class="stringliteral">"limit %d"</span>, netem->qnm_limit);
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">return</span> line;
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142
<a name="l00143"></a>00143 <span class="keyword">static</span> <span class="keywordtype">int</span> netem_dump_full(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p,
<a name="l00144"></a>00144 <span class="keywordtype">int</span> line)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146 <span class="keywordflow">return</span> line;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keyword">static</span> <span class="keyword">struct </span>nl_msg *netem_get_opts(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00150"></a>00150 {
<a name="l00151"></a>00151 <span class="keywordflow">return</span> NULL;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153 <span class="comment"></span>
<a name="l00154"></a>00154 <span class="comment">/**</span>
<a name="l00155"></a>00155 <span class="comment"> * @name Queue Limit</span>
<a name="l00156"></a>00156 <span class="comment"> * @{</span>
<a name="l00157"></a>00157 <span class="comment"> */</span>
<a name="l00158"></a>00158 <span class="comment"></span>
<a name="l00159"></a>00159 <span class="comment">/**</span>
<a name="l00160"></a>00160 <span class="comment"> * Set limit of netem qdisc.</span>
<a name="l00161"></a>00161 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00162"></a>00162 <span class="comment"> * @arg limit New limit in bytes.</span>
<a name="l00163"></a>00163 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00164"></a>00164 <span class="comment"> */</span>
<a name="l00165"></a><a class="code" href="group__netem.html#ga661a9707b888023513f07db6a0fd5bf7">00165</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga661a9707b888023513f07db6a0fd5bf7" title="Set limit of netem qdisc.">rtnl_netem_set_limit</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> limit)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00168"></a>00168
<a name="l00169"></a>00169 netem = netem_alloc(qdisc);
<a name="l00170"></a>00170 <span class="keywordflow">if</span> (!netem)
<a name="l00171"></a>00171 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00172"></a>00172
<a name="l00173"></a>00173 netem->qnm_limit = limit;
<a name="l00174"></a>00174 netem->qnm_mask |= SCH_NETEM_ATTR_LIMIT;
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordflow">return</span> 0;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178 <span class="comment"></span>
<a name="l00179"></a>00179 <span class="comment">/**</span>
<a name="l00180"></a>00180 <span class="comment"> * Get limit of netem qdisc.</span>
<a name="l00181"></a>00181 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00182"></a>00182 <span class="comment"> * @return Limit in bytes or a negative error code.</span>
<a name="l00183"></a>00183 <span class="comment"> */</span>
<a name="l00184"></a><a class="code" href="group__netem.html#gaefded0a1f384695bc8b8ce70b08a505f">00184</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#gaefded0a1f384695bc8b8ce70b08a505f" title="Get limit of netem qdisc.">rtnl_netem_get_limit</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00187"></a>00187
<a name="l00188"></a>00188 netem = netem_qdisc(qdisc);
<a name="l00189"></a>00189 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_LIMIT))
<a name="l00190"></a>00190 <span class="keywordflow">return</span> netem->qnm_limit;
<a name="l00191"></a>00191 <span class="keywordflow">else</span>
<a name="l00192"></a>00192 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194 <span class="comment"></span>
<a name="l00195"></a>00195 <span class="comment">/** @} */</span>
<a name="l00196"></a>00196 <span class="comment"></span>
<a name="l00197"></a>00197 <span class="comment">/**</span>
<a name="l00198"></a>00198 <span class="comment"> * @name Packet Re-ordering</span>
<a name="l00199"></a>00199 <span class="comment"> * @{</span>
<a name="l00200"></a>00200 <span class="comment"> */</span>
<a name="l00201"></a>00201 <span class="comment"></span>
<a name="l00202"></a>00202 <span class="comment">/**</span>
<a name="l00203"></a>00203 <span class="comment"> * Set re-ordering gap of netem qdisc.</span>
<a name="l00204"></a>00204 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00205"></a>00205 <span class="comment"> * @arg gap New gap in number of packets.</span>
<a name="l00206"></a>00206 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00207"></a>00207 <span class="comment"> */</span>
<a name="l00208"></a><a class="code" href="group__netem.html#ga9e3ab40a6fca431e0d9915f82472bb66">00208</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga9e3ab40a6fca431e0d9915f82472bb66" title="Set re-ordering gap of netem qdisc.">rtnl_netem_set_gap</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> gap)
<a name="l00209"></a>00209 {
<a name="l00210"></a>00210 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00211"></a>00211
<a name="l00212"></a>00212 netem = netem_alloc(qdisc);
<a name="l00213"></a>00213 <span class="keywordflow">if</span> (!netem)
<a name="l00214"></a>00214 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00215"></a>00215
<a name="l00216"></a>00216 netem->qnm_gap = gap;
<a name="l00217"></a>00217 netem->qnm_mask |= SCH_NETEM_ATTR_GAP;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="keywordflow">return</span> 0;
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221 <span class="comment"></span>
<a name="l00222"></a>00222 <span class="comment">/**</span>
<a name="l00223"></a>00223 <span class="comment"> * Get re-ordering gap of netem qdisc.</span>
<a name="l00224"></a>00224 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00225"></a>00225 <span class="comment"> * @return Re-ordering gap in packets or a negative error code.</span>
<a name="l00226"></a>00226 <span class="comment"> */</span>
<a name="l00227"></a><a class="code" href="group__netem.html#ga4d3c60b52ec13050cf0698d92a3d5ca4">00227</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga4d3c60b52ec13050cf0698d92a3d5ca4" title="Get re-ordering gap of netem qdisc.">rtnl_netem_get_gap</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00228"></a>00228 {
<a name="l00229"></a>00229 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00230"></a>00230
<a name="l00231"></a>00231 netem = netem_qdisc(qdisc);
<a name="l00232"></a>00232 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_GAP))
<a name="l00233"></a>00233 <span class="keywordflow">return</span> netem->qnm_gap;
<a name="l00234"></a>00234 <span class="keywordflow">else</span>
<a name="l00235"></a>00235 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00236"></a>00236 }
<a name="l00237"></a>00237 <span class="comment"></span>
<a name="l00238"></a>00238 <span class="comment">/**</span>
<a name="l00239"></a>00239 <span class="comment"> * Set re-ordering probability of netem qdisc.</span>
<a name="l00240"></a>00240 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00241"></a>00241 <span class="comment"> * @arg prob New re-ordering probability.</span>
<a name="l00242"></a>00242 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00243"></a>00243 <span class="comment"> */</span>
<a name="l00244"></a><a class="code" href="group__netem.html#ga5933843717b0486f59021fb82fffb27a">00244</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga5933843717b0486f59021fb82fffb27a" title="Set re-ordering probability of netem qdisc.">rtnl_netem_set_reorder_probability</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00245"></a>00245 {
<a name="l00246"></a>00246 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00247"></a>00247
<a name="l00248"></a>00248 netem = netem_alloc(qdisc);
<a name="l00249"></a>00249 <span class="keywordflow">if</span> (!netem)
<a name="l00250"></a>00250 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00251"></a>00251
<a name="l00252"></a>00252 netem->qnm_ro.nmro_probability = prob;
<a name="l00253"></a>00253 netem->qnm_mask |= SCH_NETEM_ATTR_RO_PROB;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="keywordflow">return</span> 0;
<a name="l00256"></a>00256 }
<a name="l00257"></a>00257 <span class="comment"></span>
<a name="l00258"></a>00258 <span class="comment">/**</span>
<a name="l00259"></a>00259 <span class="comment"> * Get re-ordering probability of netem qdisc.</span>
<a name="l00260"></a>00260 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00261"></a>00261 <span class="comment"> * @return Re-ordering probability or a negative error code.</span>
<a name="l00262"></a>00262 <span class="comment"> */</span>
<a name="l00263"></a><a class="code" href="group__netem.html#ga54b9940f1f887cb4cf517e1f0c7e3601">00263</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga54b9940f1f887cb4cf517e1f0c7e3601" title="Get re-ordering probability of netem qdisc.">rtnl_netem_get_reorder_probability</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00266"></a>00266
<a name="l00267"></a>00267 netem = netem_qdisc(qdisc);
<a name="l00268"></a>00268 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_RO_PROB))
<a name="l00269"></a>00269 <span class="keywordflow">return</span> netem->qnm_ro.nmro_probability;
<a name="l00270"></a>00270 <span class="keywordflow">else</span>
<a name="l00271"></a>00271 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 <span class="comment"></span>
<a name="l00274"></a>00274 <span class="comment">/**</span>
<a name="l00275"></a>00275 <span class="comment"> * Set re-order correlation probability of netem qdisc.</span>
<a name="l00276"></a>00276 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00277"></a>00277 <span class="comment"> * @arg prob New re-ordering correlation probability.</span>
<a name="l00278"></a>00278 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00279"></a>00279 <span class="comment"> */</span>
<a name="l00280"></a><a class="code" href="group__netem.html#gad0a51881b905fbb11f3f90003e04035e">00280</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#gad0a51881b905fbb11f3f90003e04035e" title="Set re-order correlation probability of netem qdisc.">rtnl_netem_set_reorder_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00281"></a>00281 {
<a name="l00282"></a>00282 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00283"></a>00283
<a name="l00284"></a>00284 netem = netem_alloc(qdisc);
<a name="l00285"></a>00285 <span class="keywordflow">if</span> (!netem)
<a name="l00286"></a>00286 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00287"></a>00287
<a name="l00288"></a>00288 netem->qnm_ro.nmro_correlation = prob;
<a name="l00289"></a>00289 netem->qnm_mask |= SCH_NETEM_ATTR_RO_CORR;
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="keywordflow">return</span> 0;
<a name="l00292"></a>00292 }
<a name="l00293"></a>00293 <span class="comment"></span>
<a name="l00294"></a>00294 <span class="comment">/**</span>
<a name="l00295"></a>00295 <span class="comment"> * Get re-ordering correlation probability of netem qdisc.</span>
<a name="l00296"></a>00296 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00297"></a>00297 <span class="comment"> * @return Re-ordering correlation probability or a negative error code.</span>
<a name="l00298"></a>00298 <span class="comment"> */</span>
<a name="l00299"></a><a class="code" href="group__netem.html#ga26a960a5d53a88690706d352dcb68057">00299</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga26a960a5d53a88690706d352dcb68057" title="Get re-ordering correlation probability of netem qdisc.">rtnl_netem_get_reorder_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00300"></a>00300 {
<a name="l00301"></a>00301 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00302"></a>00302
<a name="l00303"></a>00303 netem = netem_qdisc(qdisc);
<a name="l00304"></a>00304 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_RO_CORR))
<a name="l00305"></a>00305 <span class="keywordflow">return</span> netem->qnm_ro.nmro_correlation;
<a name="l00306"></a>00306 <span class="keywordflow">else</span>
<a name="l00307"></a>00307 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00308"></a>00308 }
<a name="l00309"></a>00309 <span class="comment"></span>
<a name="l00310"></a>00310 <span class="comment">/** @} */</span>
<a name="l00311"></a>00311 <span class="comment"></span>
<a name="l00312"></a>00312 <span class="comment">/**</span>
<a name="l00313"></a>00313 <span class="comment"> * @name Packet Loss</span>
<a name="l00314"></a>00314 <span class="comment"> * @{</span>
<a name="l00315"></a>00315 <span class="comment"> */</span>
<a name="l00316"></a>00316 <span class="comment"></span>
<a name="l00317"></a>00317 <span class="comment">/**</span>
<a name="l00318"></a>00318 <span class="comment"> * Set packet loss probability of netem qdisc.</span>
<a name="l00319"></a>00319 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00320"></a>00320 <span class="comment"> * @arg prob New packet loss probability.</span>
<a name="l00321"></a>00321 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00322"></a>00322 <span class="comment"> */</span>
<a name="l00323"></a><a class="code" href="group__netem.html#gae397012613cf0d61703f0349c0f23ca9">00323</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#gae397012613cf0d61703f0349c0f23ca9" title="Set packet loss probability of netem qdisc.">rtnl_netem_set_loss</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00324"></a>00324 {
<a name="l00325"></a>00325 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00326"></a>00326
<a name="l00327"></a>00327 netem = netem_alloc(qdisc);
<a name="l00328"></a>00328 <span class="keywordflow">if</span> (!netem)
<a name="l00329"></a>00329 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00330"></a>00330
<a name="l00331"></a>00331 netem->qnm_loss = prob;
<a name="l00332"></a>00332 netem->qnm_mask |= SCH_NETEM_ATTR_LOSS;
<a name="l00333"></a>00333
<a name="l00334"></a>00334 <span class="keywordflow">return</span> 0;
<a name="l00335"></a>00335 }
<a name="l00336"></a>00336 <span class="comment"></span>
<a name="l00337"></a>00337 <span class="comment">/**</span>
<a name="l00338"></a>00338 <span class="comment"> * Get packet loss probability of netem qdisc.</span>
<a name="l00339"></a>00339 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00340"></a>00340 <span class="comment"> * @return Packet loss probability or a negative error code.</span>
<a name="l00341"></a>00341 <span class="comment"> */</span>
<a name="l00342"></a><a class="code" href="group__netem.html#ga31f2e9081c0f91ea5464db3ab389bd2e">00342</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga31f2e9081c0f91ea5464db3ab389bd2e" title="Get packet loss probability of netem qdisc.">rtnl_netem_get_loss</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00343"></a>00343 {
<a name="l00344"></a>00344 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00345"></a>00345
<a name="l00346"></a>00346 netem = netem_qdisc(qdisc);
<a name="l00347"></a>00347 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_LOSS))
<a name="l00348"></a>00348 <span class="keywordflow">return</span> netem->qnm_loss;
<a name="l00349"></a>00349 <span class="keywordflow">else</span>
<a name="l00350"></a>00350 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 <span class="comment"></span>
<a name="l00353"></a>00353 <span class="comment">/**</span>
<a name="l00354"></a>00354 <span class="comment"> * Set packet loss correlation probability of netem qdisc.</span>
<a name="l00355"></a>00355 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00356"></a>00356 <span class="comment"> * @arg prob New packet loss correlation.</span>
<a name="l00357"></a>00357 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00358"></a>00358 <span class="comment"> */</span>
<a name="l00359"></a><a class="code" href="group__netem.html#ga9ebe5aab8daa744c18899078e614ff87">00359</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga9ebe5aab8daa744c18899078e614ff87" title="Set packet loss correlation probability of netem qdisc.">rtnl_netem_set_loss_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00360"></a>00360 {
<a name="l00361"></a>00361 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00362"></a>00362
<a name="l00363"></a>00363 netem = netem_alloc(qdisc);
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (!netem)
<a name="l00365"></a>00365 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00366"></a>00366
<a name="l00367"></a>00367 netem->qnm_corr.nmc_loss = prob;
<a name="l00368"></a>00368 netem->qnm_mask |= SCH_NETEM_ATTR_LOSS_CORR;
<a name="l00369"></a>00369
<a name="l00370"></a>00370 <span class="keywordflow">return</span> 0;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372 <span class="comment"></span>
<a name="l00373"></a>00373 <span class="comment">/**</span>
<a name="l00374"></a>00374 <span class="comment"> * Get packet loss correlation probability of netem qdisc.</span>
<a name="l00375"></a>00375 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00376"></a>00376 <span class="comment"> * @return Packet loss correlation probability or a negative error code.</span>
<a name="l00377"></a>00377 <span class="comment"> */</span>
<a name="l00378"></a><a class="code" href="group__netem.html#gad726d79cd1e5b06c7c0bd7b0c5bd9a44">00378</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#gad726d79cd1e5b06c7c0bd7b0c5bd9a44" title="Get packet loss correlation probability of netem qdisc.">rtnl_netem_get_loss_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00379"></a>00379 {
<a name="l00380"></a>00380 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00381"></a>00381
<a name="l00382"></a>00382 netem = netem_qdisc(qdisc);
<a name="l00383"></a>00383 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_LOSS_CORR))
<a name="l00384"></a>00384 <span class="keywordflow">return</span> netem->qnm_corr.nmc_loss;
<a name="l00385"></a>00385 <span class="keywordflow">else</span>
<a name="l00386"></a>00386 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388 <span class="comment"></span>
<a name="l00389"></a>00389 <span class="comment">/** @} */</span>
<a name="l00390"></a>00390 <span class="comment"></span>
<a name="l00391"></a>00391 <span class="comment">/**</span>
<a name="l00392"></a>00392 <span class="comment"> * @name Packet Duplication</span>
<a name="l00393"></a>00393 <span class="comment"> * @{</span>
<a name="l00394"></a>00394 <span class="comment"> */</span>
<a name="l00395"></a>00395 <span class="comment"></span>
<a name="l00396"></a>00396 <span class="comment">/**</span>
<a name="l00397"></a>00397 <span class="comment"> * Set packet duplication probability of netem qdisc.</span>
<a name="l00398"></a>00398 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00399"></a>00399 <span class="comment"> * @arg prob New packet duplication probability.</span>
<a name="l00400"></a>00400 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00401"></a>00401 <span class="comment"> */</span>
<a name="l00402"></a><a class="code" href="group__netem.html#ga469d0a474df3163ae97fad39e1b5f52c">00402</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga469d0a474df3163ae97fad39e1b5f52c" title="Set packet duplication probability of netem qdisc.">rtnl_netem_set_duplicate</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00403"></a>00403 {
<a name="l00404"></a>00404 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 netem = netem_alloc(qdisc);
<a name="l00407"></a>00407 <span class="keywordflow">if</span> (!netem)
<a name="l00408"></a>00408 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00409"></a>00409
<a name="l00410"></a>00410 netem->qnm_duplicate = prob;
<a name="l00411"></a>00411 netem->qnm_mask |= SCH_NETEM_ATTR_DUPLICATE;
<a name="l00412"></a>00412
<a name="l00413"></a>00413 <span class="keywordflow">return</span> 0;
<a name="l00414"></a>00414 }
<a name="l00415"></a>00415 <span class="comment"></span>
<a name="l00416"></a>00416 <span class="comment">/**</span>
<a name="l00417"></a>00417 <span class="comment"> * Get packet duplication probability of netem qdisc.</span>
<a name="l00418"></a>00418 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00419"></a>00419 <span class="comment"> * @return Packet duplication probability or a negative error code.</span>
<a name="l00420"></a>00420 <span class="comment"> */</span>
<a name="l00421"></a><a class="code" href="group__netem.html#ga0f3970c78197aa3984342aaf4b4fbf9b">00421</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga0f3970c78197aa3984342aaf4b4fbf9b" title="Get packet duplication probability of netem qdisc.">rtnl_netem_get_duplicate</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00422"></a>00422 {
<a name="l00423"></a>00423 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00424"></a>00424
<a name="l00425"></a>00425 netem = netem_qdisc(qdisc);
<a name="l00426"></a>00426 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_DUPLICATE))
<a name="l00427"></a>00427 <span class="keywordflow">return</span> netem->qnm_duplicate;
<a name="l00428"></a>00428 <span class="keywordflow">else</span>
<a name="l00429"></a>00429 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 <span class="comment"></span>
<a name="l00432"></a>00432 <span class="comment">/**</span>
<a name="l00433"></a>00433 <span class="comment"> * Set packet duplication correlation probability of netem qdisc.</span>
<a name="l00434"></a>00434 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00435"></a>00435 <span class="comment"> * @arg prob New packet duplication correlation probability.</span>
<a name="l00436"></a>00436 <span class="comment"> * @return 0 on sucess or a negative error code.</span>
<a name="l00437"></a>00437 <span class="comment"> */</span>
<a name="l00438"></a><a class="code" href="group__netem.html#ga3a4a49f2b67e53dd0e73ac883e48ec55">00438</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga3a4a49f2b67e53dd0e73ac883e48ec55" title="Set packet duplication correlation probability of netem qdisc.">rtnl_netem_set_duplicate_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00439"></a>00439 {
<a name="l00440"></a>00440 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00441"></a>00441
<a name="l00442"></a>00442 netem = netem_alloc(qdisc);
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (!netem)
<a name="l00444"></a>00444 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00445"></a>00445
<a name="l00446"></a>00446 netem->qnm_corr.nmc_duplicate = prob;
<a name="l00447"></a>00447 netem->qnm_mask |= SCH_NETEM_ATTR_DUP_CORR;
<a name="l00448"></a>00448
<a name="l00449"></a>00449 <span class="keywordflow">return</span> 0;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451 <span class="comment"></span>
<a name="l00452"></a>00452 <span class="comment">/**</span>
<a name="l00453"></a>00453 <span class="comment"> * Get packet duplication correlation probability of netem qdisc.</span>
<a name="l00454"></a>00454 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00455"></a>00455 <span class="comment"> * @return Packet duplication correlation probability or a negative error code.</span>
<a name="l00456"></a>00456 <span class="comment"> */</span>
<a name="l00457"></a><a class="code" href="group__netem.html#ga554f2e5f78287c98e301becaf32d9ddc">00457</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga554f2e5f78287c98e301becaf32d9ddc" title="Get packet duplication correlation probability of netem qdisc.">rtnl_netem_get_duplicate_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00458"></a>00458 {
<a name="l00459"></a>00459 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00460"></a>00460
<a name="l00461"></a>00461 netem = netem_qdisc(qdisc);
<a name="l00462"></a>00462 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_DUP_CORR))
<a name="l00463"></a>00463 <span class="keywordflow">return</span> netem->qnm_corr.nmc_duplicate;
<a name="l00464"></a>00464 <span class="keywordflow">else</span>
<a name="l00465"></a>00465 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00466"></a>00466 }
<a name="l00467"></a>00467 <span class="comment"></span>
<a name="l00468"></a>00468 <span class="comment">/** @} */</span>
<a name="l00469"></a>00469 <span class="comment"></span>
<a name="l00470"></a>00470 <span class="comment">/**</span>
<a name="l00471"></a>00471 <span class="comment"> * @name Packet Delay</span>
<a name="l00472"></a>00472 <span class="comment"> * @{</span>
<a name="l00473"></a>00473 <span class="comment"> */</span>
<a name="l00474"></a>00474 <span class="comment"></span>
<a name="l00475"></a>00475 <span class="comment">/**</span>
<a name="l00476"></a>00476 <span class="comment"> * Set packet delay of netem qdisc.</span>
<a name="l00477"></a>00477 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00478"></a>00478 <span class="comment"> * @arg delay New packet delay in micro seconds.</span>
<a name="l00479"></a>00479 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00480"></a>00480 <span class="comment"> */</span>
<a name="l00481"></a><a class="code" href="group__netem.html#ga45001d74ea8f2904abeb927c8910dc34">00481</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga45001d74ea8f2904abeb927c8910dc34" title="Set packet delay of netem qdisc.">rtnl_netem_set_delay</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> delay)
<a name="l00482"></a>00482 {
<a name="l00483"></a>00483 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00484"></a>00484
<a name="l00485"></a>00485 netem = netem_alloc(qdisc);
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (!netem)
<a name="l00487"></a>00487 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00488"></a>00488
<a name="l00489"></a>00489 netem->qnm_latency = <a class="code" href="group__utils.html#gaf630014f3b23909759921b8ef9f85d3e" title="Convert micro seconds to ticks.">nl_us2ticks</a>(delay);
<a name="l00490"></a>00490 netem->qnm_mask |= SCH_NETEM_ATTR_LATENCY;
<a name="l00491"></a>00491
<a name="l00492"></a>00492 <span class="keywordflow">return</span> 0;
<a name="l00493"></a>00493 }
<a name="l00494"></a>00494 <span class="comment"></span>
<a name="l00495"></a>00495 <span class="comment">/**</span>
<a name="l00496"></a>00496 <span class="comment"> * Get packet delay of netem qdisc.</span>
<a name="l00497"></a>00497 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00498"></a>00498 <span class="comment"> * @return Packet delay in micro seconds or a negative error code.</span>
<a name="l00499"></a>00499 <span class="comment"> */</span>
<a name="l00500"></a><a class="code" href="group__netem.html#ga88539d1c7297f6fcc8de7819c4eb9741">00500</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga88539d1c7297f6fcc8de7819c4eb9741" title="Get packet delay of netem qdisc.">rtnl_netem_get_delay</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00501"></a>00501 {
<a name="l00502"></a>00502 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00503"></a>00503
<a name="l00504"></a>00504 netem = netem_qdisc(qdisc);
<a name="l00505"></a>00505 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_LATENCY))
<a name="l00506"></a>00506 <span class="keywordflow">return</span> <a class="code" href="group__utils.html#gade35baf670a48177d9469905159089e7" title="Convert ticks to micro seconds.">nl_ticks2us</a>(netem->qnm_latency);
<a name="l00507"></a>00507 <span class="keywordflow">else</span>
<a name="l00508"></a>00508 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00509"></a>00509 }
<a name="l00510"></a>00510 <span class="comment"></span>
<a name="l00511"></a>00511 <span class="comment">/**</span>
<a name="l00512"></a>00512 <span class="comment"> * Set packet delay jitter of netem qdisc.</span>
<a name="l00513"></a>00513 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00514"></a>00514 <span class="comment"> * @arg jitter New packet delay jitter in micro seconds.</span>
<a name="l00515"></a>00515 <span class="comment"> * @return 0 on success or a negative error code.</span>
<a name="l00516"></a>00516 <span class="comment"> */</span>
<a name="l00517"></a><a class="code" href="group__netem.html#ga3505b795cf9d9f0ac9a2aaccab6d25f9">00517</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga3505b795cf9d9f0ac9a2aaccab6d25f9" title="Set packet delay jitter of netem qdisc.">rtnl_netem_set_jitter</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> jitter)
<a name="l00518"></a>00518 {
<a name="l00519"></a>00519 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00520"></a>00520
<a name="l00521"></a>00521 netem = netem_alloc(qdisc);
<a name="l00522"></a>00522 <span class="keywordflow">if</span> (!netem)
<a name="l00523"></a>00523 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00524"></a>00524
<a name="l00525"></a>00525 netem->qnm_jitter = <a class="code" href="group__utils.html#gaf630014f3b23909759921b8ef9f85d3e" title="Convert micro seconds to ticks.">nl_us2ticks</a>(jitter);
<a name="l00526"></a>00526 netem->qnm_mask |= SCH_NETEM_ATTR_JITTER;
<a name="l00527"></a>00527
<a name="l00528"></a>00528 <span class="keywordflow">return</span> 0;
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530 <span class="comment"></span>
<a name="l00531"></a>00531 <span class="comment">/**</span>
<a name="l00532"></a>00532 <span class="comment"> * Get packet delay jitter of netem qdisc.</span>
<a name="l00533"></a>00533 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00534"></a>00534 <span class="comment"> * @return Packet delay jitter in micro seconds or a negative error code.</span>
<a name="l00535"></a>00535 <span class="comment"> */</span>
<a name="l00536"></a><a class="code" href="group__netem.html#ga7fed1f919d6e6a0169197a0ba085d56a">00536</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga7fed1f919d6e6a0169197a0ba085d56a" title="Get packet delay jitter of netem qdisc.">rtnl_netem_get_jitter</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00537"></a>00537 {
<a name="l00538"></a>00538 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00539"></a>00539
<a name="l00540"></a>00540 netem = netem_qdisc(qdisc);
<a name="l00541"></a>00541 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_JITTER))
<a name="l00542"></a>00542 <span class="keywordflow">return</span> <a class="code" href="group__utils.html#gade35baf670a48177d9469905159089e7" title="Convert ticks to micro seconds.">nl_ticks2us</a>(netem->qnm_jitter);
<a name="l00543"></a>00543 <span class="keywordflow">else</span>
<a name="l00544"></a>00544 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00545"></a>00545 }
<a name="l00546"></a>00546 <span class="comment"></span>
<a name="l00547"></a>00547 <span class="comment">/**</span>
<a name="l00548"></a>00548 <span class="comment"> * Set packet delay correlation probability of netem qdisc.</span>
<a name="l00549"></a>00549 <span class="comment"> * @arg qdisc Netem qdisc to be modified.</span>
<a name="l00550"></a>00550 <span class="comment"> * @arg prob New packet delay correlation probability.</span>
<a name="l00551"></a>00551 <span class="comment"> */</span>
<a name="l00552"></a><a class="code" href="group__netem.html#ga63860affc4dfdfad81c579df17da38bb">00552</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga63860affc4dfdfad81c579df17da38bb" title="Set packet delay correlation probability of netem qdisc.">rtnl_netem_set_delay_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc, <span class="keywordtype">int</span> prob)
<a name="l00553"></a>00553 {
<a name="l00554"></a>00554 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00555"></a>00555
<a name="l00556"></a>00556 netem = netem_alloc(qdisc);
<a name="l00557"></a>00557 <span class="keywordflow">if</span> (!netem)
<a name="l00558"></a>00558 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00559"></a>00559
<a name="l00560"></a>00560 netem->qnm_corr.nmc_delay = prob;
<a name="l00561"></a>00561 netem->qnm_mask |= SCH_NETEM_ATTR_DELAY_CORR;
<a name="l00562"></a>00562
<a name="l00563"></a>00563 <span class="keywordflow">return</span> 0;
<a name="l00564"></a>00564 }
<a name="l00565"></a>00565 <span class="comment"></span>
<a name="l00566"></a>00566 <span class="comment">/**</span>
<a name="l00567"></a>00567 <span class="comment"> * Get packet delay correlation probability of netem qdisc.</span>
<a name="l00568"></a>00568 <span class="comment"> * @arg qdisc Netem qdisc.</span>
<a name="l00569"></a>00569 <span class="comment"> * @return Packet delay correlation probability or a negative error code.</span>
<a name="l00570"></a>00570 <span class="comment"> */</span>
<a name="l00571"></a><a class="code" href="group__netem.html#ga315136c03e8a4d1bc64d80a885057734">00571</a> <span class="keywordtype">int</span> <a class="code" href="group__netem.html#ga315136c03e8a4d1bc64d80a885057734" title="Get packet delay correlation probability of netem qdisc.">rtnl_netem_get_delay_correlation</a>(<span class="keyword">struct</span> rtnl_qdisc *qdisc)
<a name="l00572"></a>00572 {
<a name="l00573"></a>00573 <span class="keyword">struct </span>rtnl_netem *netem;
<a name="l00574"></a>00574
<a name="l00575"></a>00575 netem = netem_qdisc(qdisc);
<a name="l00576"></a>00576 <span class="keywordflow">if</span> (netem && (netem->qnm_mask & SCH_NETEM_ATTR_DELAY_CORR))
<a name="l00577"></a>00577 <span class="keywordflow">return</span> netem->qnm_corr.nmc_delay;
<a name="l00578"></a>00578 <span class="keywordflow">else</span>
<a name="l00579"></a>00579 <span class="keywordflow">return</span> nl_errno(ENOENT);
<a name="l00580"></a>00580 }
<a name="l00581"></a>00581 <span class="comment"></span>
<a name="l00582"></a>00582 <span class="comment">/** @} */</span>
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <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> netem_ops = {
<a name="l00585"></a>00585 .<a class="code" href="structrtnl__qdisc__ops.html#a5df5424d29acfa9ae66e7f35a9ca2081" title="Kind/Name of Qdisc.">qo_kind</a> = <span class="stringliteral">"netem"</span>,
<a name="l00586"></a>00586 .qo_msg_parser = netem_msg_parser,
<a name="l00587"></a>00587 .qo_free_data = netem_free_data,
<a name="l00588"></a>00588 .qo_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a5597887c080d5ecae358b6065a4048fd" title="Dump object in a brief one-liner.">NL_DUMP_BRIEF</a>] = netem_dump_brief,
<a name="l00589"></a>00589 .qo_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a1445106c7af529b2c99ee289fbcd3179" title="Dump all attributes but no statistics.">NL_DUMP_FULL</a>] = netem_dump_full,
<a name="l00590"></a>00590 .qo_get_opts = netem_get_opts,
<a name="l00591"></a>00591 };
<a name="l00592"></a>00592
<a name="l00593"></a>00593 <span class="keyword">static</span> <span class="keywordtype">void</span> __init netem_init(<span class="keywordtype">void</span>)
<a name="l00594"></a>00594 {
<a name="l00595"></a>00595 <a class="code" href="group__qdisc__api.html#ga52a96211c54bed89f60bc4b106747133" title="Register a qdisc module.">rtnl_qdisc_register</a>(&netem_ops);
<a name="l00596"></a>00596 }
<a name="l00597"></a>00597
<a name="l00598"></a>00598 <span class="keyword">static</span> <span class="keywordtype">void</span> __exit netem_exit(<span class="keywordtype">void</span>)
<a name="l00599"></a>00599 {
<a name="l00600"></a>00600 <a class="code" href="group__qdisc__api.html#ga0e1c8c70c536964578dd544fd23f80ff" title="Unregister a qdisc module.">rtnl_qdisc_unregister</a>(&netem_ops);
<a name="l00601"></a>00601 }
<a name="l00602"></a>00602 <span class="comment"></span>
<a name="l00603"></a>00603 <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
>
199
