<!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/link/vlan.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/link/vlan.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/link/vlan.c VLAN Link Info</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) 2003-2007 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 link_info</span>
<a name="l00014"></a>00014 <span class="comment"> * @defgroup vlan VLAN</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"> * @{</span>
<a name="l00018"></a>00018 <span class="comment"> */</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <netlink-local.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <netlink/netlink.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <netlink/attr.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <netlink/utils.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <netlink/object.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <netlink/route/rtnl.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <netlink/route/link/info-api.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <netlink/route/link/vlan.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <linux/if_vlan.h></span>
<a name="l00030"></a>00030 <span class="comment"></span>
<a name="l00031"></a>00031 <span class="comment">/** @cond SKIP */</span>
<a name="l00032"></a>00032 <span class="preprocessor">#define VLAN_HAS_ID (1<<0)</span>
<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define VLAN_HAS_FLAGS (1<<1)</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define VLAN_HAS_INGRESS_QOS (1<<2)</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define VLAN_HAS_EGRESS_QOS (1<<3)</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span>
<a name="l00037"></a>00037 <span class="keyword">struct </span>vlan_info
<a name="l00038"></a>00038 {
<a name="l00039"></a>00039 uint16_t vi_vlan_id;
<a name="l00040"></a>00040 uint32_t vi_flags;
<a name="l00041"></a>00041 uint32_t vi_flags_mask;
<a name="l00042"></a>00042 uint32_t vi_ingress_qos[VLAN_PRIO_MAX+1];
<a name="l00043"></a>00043 uint32_t vi_negress;
<a name="l00044"></a>00044 uint32_t vi_egress_size;
<a name="l00045"></a>00045 <span class="keyword">struct </span><a class="code" href="structvlan__map.html">vlan_map</a> * vi_egress_qos;
<a name="l00046"></a>00046 uint32_t vi_mask;
<a name="l00047"></a>00047 };<span class="comment"></span>
<a name="l00048"></a>00048 <span class="comment">/** @endcond */</span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">static</span> <span class="keyword">struct </span>trans_tbl vlan_flags[] = {
<a name="l00051"></a>00051 __ADD(VLAN_FLAG_REORDER_HDR, reorder_hdr)
<a name="l00052"></a>00052 };
<a name="l00053"></a>00053
<a name="l00054"></a>00054 <span class="keywordtype">char</span> *rtnl_link_vlan_flags2str(<span class="keywordtype">int</span> flags, <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> len)
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <span class="keywordflow">return</span> __flags2str(flags, buf, len, vlan_flags, ARRAY_SIZE(vlan_flags));
<a name="l00057"></a>00057 }
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="keywordtype">int</span> rtnl_link_vlan_str2flags(<span class="keyword">const</span> <span class="keywordtype">char</span> *name)
<a name="l00060"></a>00060 {
<a name="l00061"></a>00061 <span class="keywordflow">return</span> __str2flags(name, vlan_flags, ARRAY_SIZE(vlan_flags));
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structnla__policy.html" title="attribute validation policy">nla_policy</a> vlan_policy[IFLA_VLAN_MAX+1] = {
<a name="l00065"></a>00065 [IFLA_VLAN_ID] = { .<a class="code" href="structnla__policy.html#aaa36c9d1e298fc9e4ee16a8fb553b32a" title="Type of attribute or NLA_UNSPEC.">type</a> = <a class="code" href="group__attr.html#gga06fc87d81c62e9abb8790b6e5713c55ba8ca718be156e8f388cbcbc4c3d1d874d" title="16bit integer">NLA_U16</a> },
<a name="l00066"></a>00066 [IFLA_VLAN_FLAGS] = { .minlen = <span class="keyword">sizeof</span>(<span class="keyword">struct </span>ifla_vlan_flags) },
<a name="l00067"></a>00067 [IFLA_VLAN_INGRESS_QOS] = { .type = <a class="code" href="group__attr.html#gga06fc87d81c62e9abb8790b6e5713c55ba925c06a260a9ffaef80ee4aa13738e19" title="nested attributes">NLA_NESTED</a> },
<a name="l00068"></a>00068 [IFLA_VLAN_EGRESS_QOS] = { .type = <a class="code" href="group__attr.html#gga06fc87d81c62e9abb8790b6e5713c55ba925c06a260a9ffaef80ee4aa13738e19" title="nested attributes">NLA_NESTED</a> },
<a name="l00069"></a>00069 };
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_alloc(<span class="keyword">struct</span> rtnl_link *link)
<a name="l00072"></a>00072 {
<a name="l00073"></a>00073 <span class="keyword">struct </span>vlan_info *vi;
<a name="l00074"></a>00074
<a name="l00075"></a>00075 <span class="keywordflow">if</span> ((vi = calloc(1, <span class="keyword">sizeof</span>(*vi))) == NULL)
<a name="l00076"></a>00076 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00077"></a>00077
<a name="l00078"></a>00078 link->l_info = vi;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <span class="keywordflow">return</span> 0;
<a name="l00081"></a>00081 }
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_parse(<span class="keyword">struct</span> rtnl_link *link, <span class="keyword">struct</span> nlattr *data,
<a name="l00084"></a>00084 <span class="keyword">struct</span> nlattr *xstats)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 <span class="keyword">struct </span>nlattr *tb[IFLA_VLAN_MAX+1];
<a name="l00087"></a>00087 <span class="keyword">struct </span>vlan_info *vi;
<a name="l00088"></a>00088 <span class="keywordtype">int</span> err;
<a name="l00089"></a>00089
<a name="l00090"></a>00090 NL_DBG(3, <span class="stringliteral">"Parsing VLAN link info"</span>);
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keywordflow">if</span> ((err = <a class="code" href="group__attr.html#ga974ec0720b2d863a5c65da868bcb7a6e" title="parse nested attributes">nla_parse_nested</a>(tb, IFLA_VLAN_MAX, data, vlan_policy)) < 0)
<a name="l00093"></a>00093 <span class="keywordflow">goto</span> errout;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 <span class="keywordflow">if</span> ((err = vlan_alloc(link)) < 0)
<a name="l00096"></a>00096 <span class="keywordflow">goto</span> errout;
<a name="l00097"></a>00097
<a name="l00098"></a>00098 vi = link->l_info;
<a name="l00099"></a>00099
<a name="l00100"></a>00100 <span class="keywordflow">if</span> (tb[IFLA_VLAN_ID]) {
<a name="l00101"></a>00101 vi->vi_vlan_id = <a class="code" href="group__attr.html#ga60c1be303721d4a39ad810876a13d304" title="Return payload of u16 attribute.">nla_get_u16</a>(tb[IFLA_VLAN_ID]);
<a name="l00102"></a>00102 vi->vi_mask |= VLAN_HAS_ID;
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104
<a name="l00105"></a>00105 <span class="keywordflow">if</span> (tb[IFLA_VLAN_FLAGS]) {
<a name="l00106"></a>00106 <span class="keyword">struct </span>ifla_vlan_flags flags;
<a name="l00107"></a>00107 <a class="code" href="group__attr.html#gaf2cdaf473a1054b9c3fc735ca7275403" title="Copy a netlink attribute into another memory area.">nla_memcpy</a>(&flags, tb[IFLA_VLAN_FLAGS], <span class="keyword">sizeof</span>(flags));
<a name="l00108"></a>00108
<a name="l00109"></a>00109 vi->vi_flags = flags.flags;
<a name="l00110"></a>00110 vi->vi_mask |= VLAN_HAS_FLAGS;
<a name="l00111"></a>00111 }
<a name="l00112"></a>00112
<a name="l00113"></a>00113 <span class="keywordflow">if</span> (tb[IFLA_VLAN_INGRESS_QOS]) {
<a name="l00114"></a>00114 <span class="keyword">struct </span>ifla_vlan_qos_mapping *map;
<a name="l00115"></a>00115 <span class="keyword">struct </span>nlattr *nla;
<a name="l00116"></a>00116 <span class="keywordtype">int</span> remaining;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 memset(vi->vi_ingress_qos, 0, <span class="keyword">sizeof</span>(vi->vi_ingress_qos));
<a name="l00119"></a>00119
<a name="l00120"></a>00120 <a class="code" href="group__attr.html#gac2634af90bda4393105b6323da2044fa" title="iterate over a stream of nested attributes">nla_for_each_nested</a>(nla, tb[IFLA_VLAN_INGRESS_QOS], remaining) {
<a name="l00121"></a>00121 <span class="keywordflow">if</span> (<a class="code" href="group__attr.html#gac5a7705797946fa9c0775997bb8d130b" title="length of payload">nla_len</a>(nla) < <span class="keyword">sizeof</span>(*map))
<a name="l00122"></a>00122 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Malformed mapping"</span>);
<a name="l00123"></a>00123
<a name="l00124"></a>00124 map = <a class="code" href="group__attr.html#gaf39d6bbd2be1fc2de30b6b7d079a5fce" title="head of payload">nla_data</a>(nla);
<a name="l00125"></a>00125 <span class="keywordflow">if</span> (map->from < 0 || map->from > VLAN_PRIO_MAX) {
<a name="l00126"></a>00126 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"VLAN prio %d out of "</span>
<a name="l00127"></a>00127 <span class="stringliteral">"range"</span>, map->from);
<a name="l00128"></a>00128 }
<a name="l00129"></a>00129
<a name="l00130"></a>00130 vi->vi_ingress_qos[map->from] = map->to;
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 vi->vi_mask |= VLAN_HAS_INGRESS_QOS;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">if</span> (tb[IFLA_VLAN_EGRESS_QOS]) {
<a name="l00137"></a>00137 <span class="keyword">struct </span>ifla_vlan_qos_mapping *map;
<a name="l00138"></a>00138 <span class="keyword">struct </span>nlattr *nla;
<a name="l00139"></a>00139 <span class="keywordtype">int</span> remaining, i = 0;
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <a class="code" href="group__attr.html#gac2634af90bda4393105b6323da2044fa" title="iterate over a stream of nested attributes">nla_for_each_nested</a>(nla, tb[IFLA_VLAN_EGRESS_QOS], remaining) {
<a name="l00142"></a>00142 <span class="keywordflow">if</span> (<a class="code" href="group__attr.html#gac5a7705797946fa9c0775997bb8d130b" title="length of payload">nla_len</a>(nla) < <span class="keyword">sizeof</span>(*map))
<a name="l00143"></a>00143 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Malformed mapping"</span>);
<a name="l00144"></a>00144 i++;
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146
<a name="l00147"></a>00147 <span class="comment">/* align to have a little reserve */</span>
<a name="l00148"></a>00148 vi->vi_egress_size = (i + 32) & ~31;
<a name="l00149"></a>00149 vi->vi_egress_qos = calloc(vi->vi_egress_size, <span class="keyword">sizeof</span>(*map));
<a name="l00150"></a>00150 <span class="keywordflow">if</span> (vi->vi_egress_qos == NULL)
<a name="l00151"></a>00151 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00152"></a>00152
<a name="l00153"></a>00153 i = 0;
<a name="l00154"></a>00154 <a class="code" href="group__attr.html#gac2634af90bda4393105b6323da2044fa" title="iterate over a stream of nested attributes">nla_for_each_nested</a>(nla, tb[IFLA_VLAN_EGRESS_QOS], remaining) {
<a name="l00155"></a>00155 map = <a class="code" href="group__attr.html#gaf39d6bbd2be1fc2de30b6b7d079a5fce" title="head of payload">nla_data</a>(nla);
<a name="l00156"></a>00156 NL_DBG(4, <span class="stringliteral">"Assigning egress qos mapping %d\n"</span>, i);
<a name="l00157"></a>00157 vi->vi_egress_qos[i].vm_from = map->from;
<a name="l00158"></a>00158 vi->vi_egress_qos[i++].vm_to = map->to;
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160
<a name="l00161"></a>00161 vi->vi_negress = i;
<a name="l00162"></a>00162 vi->vi_mask |= VLAN_HAS_EGRESS_QOS;
<a name="l00163"></a>00163 }
<a name="l00164"></a>00164
<a name="l00165"></a>00165 err = 0;
<a name="l00166"></a>00166 errout:
<a name="l00167"></a>00167 <span class="keywordflow">return</span> err;
<a name="l00168"></a>00168 }
<a name="l00169"></a>00169
<a name="l00170"></a>00170 <span class="keyword">static</span> <span class="keywordtype">void</span> vlan_free(<span class="keyword">struct</span> rtnl_link *link)
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00173"></a>00173
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (vi) {
<a name="l00175"></a>00175 free(vi->vi_egress_qos);
<a name="l00176"></a>00176 vi->vi_egress_qos = NULL;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 free(vi);
<a name="l00180"></a>00180 link->l_info = NULL;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182
<a name="l00183"></a>00183 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_dump_brief(<span class="keyword">struct</span> rtnl_link *link, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p,
<a name="l00184"></a>00184 <span class="keywordtype">int</span> line)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00187"></a>00187
<a name="l00188"></a>00188 dp_dump(p, <span class="stringliteral">"vlan-id %d"</span>, vi->vi_vlan_id);
<a name="l00189"></a>00189
<a name="l00190"></a>00190 <span class="keywordflow">return</span> line;
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_dump_full(<span class="keyword">struct</span> rtnl_link *link, <span class="keyword">struct</span> <a class="code" href="structnl__dump__params.html" title="Dumping parameters.">nl_dump_params</a> *p,
<a name="l00194"></a>00194 <span class="keywordtype">int</span> line)
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00197"></a>00197 <span class="keywordtype">int</span> i, printed;
<a name="l00198"></a>00198 <span class="keywordtype">char</span> buf[64];
<a name="l00199"></a>00199
<a name="l00200"></a>00200 rtnl_link_vlan_flags2str(vi->vi_flags, buf, <span class="keyword">sizeof</span>(buf));
<a name="l00201"></a>00201 dp_dump_line(p, line++, <span class="stringliteral">" vlan-info id %d <%s>\n"</span>,
<a name="l00202"></a>00202 vi->vi_vlan_id, buf);
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_INGRESS_QOS) {
<a name="l00205"></a>00205 dp_dump_line(p, line++,
<a name="l00206"></a>00206 <span class="stringliteral">" ingress vlan prio -> qos/socket prio mapping:\n"</span>);
<a name="l00207"></a>00207 <span class="keywordflow">for</span> (i = 0, printed = 0; i <= VLAN_PRIO_MAX; i++) {
<a name="l00208"></a>00208 <span class="keywordflow">if</span> (vi->vi_ingress_qos[i]) {
<a name="l00209"></a>00209 <span class="keywordflow">if</span> (printed == 0) {
<a name="l00210"></a>00210 dp_new_line(p, line);
<a name="l00211"></a>00211 dp_dump(p, <span class="stringliteral">" "</span>);
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 dp_dump(p, <span class="stringliteral">"%x -> %#08x, "</span>,
<a name="l00214"></a>00214 i, vi->vi_ingress_qos[i]);
<a name="l00215"></a>00215 <span class="keywordflow">if</span> (printed++ == 3) {
<a name="l00216"></a>00216 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00217"></a>00217 printed = 0;
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (printed > 0 && printed != 4)
<a name="l00223"></a>00223 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00224"></a>00224 }
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_EGRESS_QOS) {
<a name="l00227"></a>00227 dp_dump_line(p, line++,
<a name="l00228"></a>00228 <span class="stringliteral">" egress qos/socket prio -> vlan prio mapping:\n"</span>);
<a name="l00229"></a>00229 <span class="keywordflow">for</span> (i = 0, printed = 0; i < vi->vi_negress; i++) {
<a name="l00230"></a>00230 <span class="keywordflow">if</span> (printed == 0) {
<a name="l00231"></a>00231 dp_new_line(p, line);
<a name="l00232"></a>00232 dp_dump(p, <span class="stringliteral">" "</span>);
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234 dp_dump(p, <span class="stringliteral">"%#08x -> %x, "</span>,
<a name="l00235"></a>00235 vi->vi_egress_qos[i].vm_from,
<a name="l00236"></a>00236 vi->vi_egress_qos[i].vm_to);
<a name="l00237"></a>00237 <span class="keywordflow">if</span> (printed++ == 3) {
<a name="l00238"></a>00238 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00239"></a>00239 printed = 0;
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 }
<a name="l00242"></a>00242
<a name="l00243"></a>00243 <span class="keywordflow">if</span> (printed > 0 && printed != 4)
<a name="l00244"></a>00244 dp_dump(p, <span class="stringliteral">"\n"</span>);
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="keywordflow">return</span> line;
<a name="l00248"></a>00248 }
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_clone(<span class="keyword">struct</span> rtnl_link *dst, <span class="keyword">struct</span> rtnl_link *src)
<a name="l00251"></a>00251 {
<a name="l00252"></a>00252 <span class="keyword">struct </span>vlan_info *vdst, *vsrc = src->l_info;
<a name="l00253"></a>00253 <span class="keywordtype">int</span> err;
<a name="l00254"></a>00254
<a name="l00255"></a>00255 dst->l_info = NULL;
<a name="l00256"></a>00256 <span class="keywordflow">if</span> ((err = <a class="code" href="group__link.html#gadddd34902ec52fa8674f66a2cd99fa9f" title="Specify the info type of a link.">rtnl_link_set_info_type</a>(dst, <span class="stringliteral">"vlan"</span>)) < 0)
<a name="l00257"></a>00257 <span class="keywordflow">return</span> err;
<a name="l00258"></a>00258 vdst = dst->l_info;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 vdst->vi_egress_qos = calloc(vsrc->vi_egress_size,
<a name="l00261"></a>00261 <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structvlan__map.html">vlan_map</a>));
<a name="l00262"></a>00262 <span class="keywordflow">if</span> (!vdst->vi_egress_qos)
<a name="l00263"></a>00263 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00264"></a>00264
<a name="l00265"></a>00265 memcpy(vdst->vi_egress_qos, vsrc->vi_egress_qos,
<a name="l00266"></a>00266 vsrc->vi_egress_size * <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structvlan__map.html">vlan_map</a>));
<a name="l00267"></a>00267
<a name="l00268"></a>00268 <span class="keywordflow">return</span> 0;
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keyword">static</span> <span class="keywordtype">int</span> vlan_put_attrs(<span class="keyword">struct</span> nl_msg *msg, <span class="keyword">struct</span> rtnl_link *link)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00274"></a>00274 <span class="keyword">struct </span>nlattr *data;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">if</span> (!(data = <a class="code" href="group__attr.html#ga18640b6320b8959bb586fa2ca456130c" title="Start a new level of nested attributes.">nla_nest_start</a>(msg, IFLA_INFO_DATA)))
<a name="l00277"></a>00277 <span class="keywordflow">return</span> nl_errno(ENOBUFS);
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_ID)
<a name="l00280"></a>00280 <a class="code" href="group__attr.html#gadb79e3aff32c89efb5564dd4d595f277" title="Add a u16 netlink attribute to a netlink message.">NLA_PUT_U16</a>(msg, IFLA_VLAN_ID, vi->vi_vlan_id);
<a name="l00281"></a>00281
<a name="l00282"></a>00282 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_FLAGS) {
<a name="l00283"></a>00283 <span class="keyword">struct </span>ifla_vlan_flags flags = {
<a name="l00284"></a>00284 .flags = vi->vi_flags,
<a name="l00285"></a>00285 .mask = vi->vi_flags_mask,
<a name="l00286"></a>00286 };
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <a class="code" href="group__attr.html#gab63953375be738011e7c9d2c6de74a45" title="Add a netlink attribute to a netlink message.">NLA_PUT</a>(msg, IFLA_VLAN_FLAGS, <span class="keyword">sizeof</span>(flags), &flags);
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290
<a name="l00291"></a>00291 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_INGRESS_QOS) {
<a name="l00292"></a>00292 <span class="keyword">struct </span>ifla_vlan_qos_mapping map;
<a name="l00293"></a>00293 <span class="keyword">struct </span>nlattr *qos;
<a name="l00294"></a>00294 <span class="keywordtype">int</span> i;
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="keywordflow">if</span> (!(qos = <a class="code" href="group__attr.html#ga18640b6320b8959bb586fa2ca456130c" title="Start a new level of nested attributes.">nla_nest_start</a>(msg, IFLA_VLAN_INGRESS_QOS)))
<a name="l00297"></a>00297 <span class="keywordflow">goto</span> nla_put_failure;
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">for</span> (i = 0; i <= VLAN_PRIO_MAX; i++) {
<a name="l00300"></a>00300 <span class="keywordflow">if</span> (vi->vi_ingress_qos[i]) {
<a name="l00301"></a>00301 map.from = i;
<a name="l00302"></a>00302 map.to = vi->vi_ingress_qos[i];
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <a class="code" href="group__attr.html#gab63953375be738011e7c9d2c6de74a45" title="Add a netlink attribute to a netlink message.">NLA_PUT</a>(msg, i, <span class="keyword">sizeof</span>(map), &map);
<a name="l00305"></a>00305 }
<a name="l00306"></a>00306 }
<a name="l00307"></a>00307
<a name="l00308"></a>00308 <a class="code" href="group__attr.html#ga067f9ada74902c02d97c725a47f590b7" title="Finalize nesting of attributes.">nla_nest_end</a>(msg, qos);
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_EGRESS_QOS) {
<a name="l00312"></a>00312 <span class="keyword">struct </span>ifla_vlan_qos_mapping map;
<a name="l00313"></a>00313 <span class="keyword">struct </span>nlattr *qos;
<a name="l00314"></a>00314 <span class="keywordtype">int</span> i;
<a name="l00315"></a>00315
<a name="l00316"></a>00316 <span class="keywordflow">if</span> (!(qos = <a class="code" href="group__attr.html#ga18640b6320b8959bb586fa2ca456130c" title="Start a new level of nested attributes.">nla_nest_start</a>(msg, IFLA_VLAN_EGRESS_QOS)))
<a name="l00317"></a>00317 <span class="keywordflow">goto</span> nla_put_failure;
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keywordflow">for</span> (i = 0; i < vi->vi_negress; i++) {
<a name="l00320"></a>00320 map.from = vi->vi_egress_qos[i].vm_from;
<a name="l00321"></a>00321 map.to = vi->vi_egress_qos[i].vm_to;
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <a class="code" href="group__attr.html#gab63953375be738011e7c9d2c6de74a45" title="Add a netlink attribute to a netlink message.">NLA_PUT</a>(msg, i, <span class="keyword">sizeof</span>(map), &map);
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <a class="code" href="group__attr.html#ga067f9ada74902c02d97c725a47f590b7" title="Finalize nesting of attributes.">nla_nest_end</a>(msg, qos);
<a name="l00327"></a>00327 }
<a name="l00328"></a>00328
<a name="l00329"></a>00329 <a class="code" href="group__attr.html#ga067f9ada74902c02d97c725a47f590b7" title="Finalize nesting of attributes.">nla_nest_end</a>(msg, data);
<a name="l00330"></a>00330
<a name="l00331"></a>00331 nla_put_failure:
<a name="l00332"></a>00332
<a name="l00333"></a>00333 <span class="keywordflow">return</span> 0;
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keyword">static</span> <span class="keyword">struct </span><a class="code" href="structrtnl__link__info__ops.html" title="Link info operations.">rtnl_link_info_ops</a> vlan_info_ops = {
<a name="l00337"></a>00337 .<a class="code" href="structrtnl__link__info__ops.html#a03227fa6a14606be5523b9b92a2e2803" title="Name of operations, must match name on kernel side.">io_name</a> = <span class="stringliteral">"vlan"</span>,
<a name="l00338"></a>00338 .io_alloc = vlan_alloc,
<a name="l00339"></a>00339 .io_parse = vlan_parse,
<a name="l00340"></a>00340 .io_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a5597887c080d5ecae358b6065a4048fd" title="Dump object in a brief one-liner.">NL_DUMP_BRIEF</a>] = vlan_dump_brief,
<a name="l00341"></a>00341 .io_dump[<a class="code" href="group__utils.html#ggacfb5566c73f0965c5241d7d49bc717e9a1445106c7af529b2c99ee289fbcd3179" title="Dump all attributes but no statistics.">NL_DUMP_FULL</a>] = vlan_dump_full,
<a name="l00342"></a>00342 .io_clone = vlan_clone,
<a name="l00343"></a>00343 .io_put_attrs = vlan_put_attrs,
<a name="l00344"></a>00344 .io_free = vlan_free,
<a name="l00345"></a>00345 };
<a name="l00346"></a>00346
<a name="l00347"></a>00347 <span class="keywordtype">int</span> rtnl_link_vlan_set_id(<span class="keyword">struct</span> rtnl_link *link, <span class="keywordtype">int</span> <span class="keywordtype">id</span>)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00352"></a>00352 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00353"></a>00353
<a name="l00354"></a>00354 vi->vi_vlan_id = id;
<a name="l00355"></a>00355 vi->vi_mask |= VLAN_HAS_ID;
<a name="l00356"></a>00356
<a name="l00357"></a>00357 <span class="keywordflow">return</span> 0;
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a>00360 <span class="keywordtype">int</span> rtnl_link_vlan_get_id(<span class="keyword">struct</span> rtnl_link *link)
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00365"></a>00365 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_ID)
<a name="l00368"></a>00368 <span class="keywordflow">return</span> vi->vi_vlan_id;
<a name="l00369"></a>00369 <span class="keywordflow">else</span>
<a name="l00370"></a>00370 <span class="keywordflow">return</span> 0;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordtype">int</span> rtnl_link_vlan_set_flags(<span class="keyword">struct</span> rtnl_link *link, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00376"></a>00376
<a name="l00377"></a>00377 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00378"></a>00378 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00379"></a>00379
<a name="l00380"></a>00380 vi->vi_flags_mask |= flags;
<a name="l00381"></a>00381 vi->vi_flags |= flags;
<a name="l00382"></a>00382 vi->vi_mask |= VLAN_HAS_FLAGS;
<a name="l00383"></a>00383
<a name="l00384"></a>00384 <span class="keywordflow">return</span> 0;
<a name="l00385"></a>00385 }
<a name="l00386"></a>00386
<a name="l00387"></a>00387 <span class="keywordtype">int</span> rtnl_link_vlan_unset_flags(<span class="keyword">struct</span> rtnl_link *link, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> flags)
<a name="l00388"></a>00388 {
<a name="l00389"></a>00389 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00392"></a>00392 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00393"></a>00393
<a name="l00394"></a>00394 vi->vi_flags_mask |= flags;
<a name="l00395"></a>00395 vi->vi_flags &= ~flags;
<a name="l00396"></a>00396 vi->vi_mask |= VLAN_HAS_FLAGS;
<a name="l00397"></a>00397
<a name="l00398"></a>00398 <span class="keywordflow">return</span> 0;
<a name="l00399"></a>00399 }
<a name="l00400"></a>00400
<a name="l00401"></a>00401 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> rtnl_link_vlan_get_flags(<span class="keyword">struct</span> rtnl_link *link)
<a name="l00402"></a>00402 {
<a name="l00403"></a>00403 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00404"></a>00404
<a name="l00405"></a>00405 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00406"></a>00406 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00407"></a>00407
<a name="l00408"></a>00408 <span class="keywordflow">return</span> vi->vi_flags;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410
<a name="l00411"></a>00411 <span class="keywordtype">int</span> rtnl_link_vlan_set_ingress_map(<span class="keyword">struct</span> rtnl_link *link, <span class="keywordtype">int</span> from,
<a name="l00412"></a>00412 uint32_t to)
<a name="l00413"></a>00413 {
<a name="l00414"></a>00414 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00415"></a>00415
<a name="l00416"></a>00416 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00417"></a>00417 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00418"></a>00418
<a name="l00419"></a>00419 <span class="keywordflow">if</span> (from < 0 || from > VLAN_PRIO_MAX)
<a name="l00420"></a>00420 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Invalid vlan prio 0..%d"</span>,
<a name="l00421"></a>00421 VLAN_PRIO_MAX);
<a name="l00422"></a>00422
<a name="l00423"></a>00423 vi->vi_ingress_qos[from] = to;
<a name="l00424"></a>00424 vi->vi_mask |= VLAN_HAS_INGRESS_QOS;
<a name="l00425"></a>00425
<a name="l00426"></a>00426 <span class="keywordflow">return</span> 0;
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428
<a name="l00429"></a>00429 uint32_t *rtnl_link_vlan_get_ingress_map(<span class="keyword">struct</span> rtnl_link *link)
<a name="l00430"></a>00430 {
<a name="l00431"></a>00431 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00432"></a>00432
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops) {
<a name="l00434"></a>00434 nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00435"></a>00435 <span class="keywordflow">return</span> NULL;
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_INGRESS_QOS)
<a name="l00439"></a>00439 <span class="keywordflow">return</span> vi->vi_ingress_qos;
<a name="l00440"></a>00440 <span class="keywordflow">else</span>
<a name="l00441"></a>00441 <span class="keywordflow">return</span> NULL;
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443
<a name="l00444"></a>00444 <span class="keywordtype">int</span> rtnl_link_vlan_set_egress_map(<span class="keyword">struct</span> rtnl_link *link, uint32_t from, <span class="keywordtype">int</span> to)
<a name="l00445"></a>00445 {
<a name="l00446"></a>00446 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00447"></a>00447
<a name="l00448"></a>00448 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops)
<a name="l00449"></a>00449 <span class="keywordflow">return</span> nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00450"></a>00450
<a name="l00451"></a>00451 <span class="keywordflow">if</span> (to < 0 || to > VLAN_PRIO_MAX)
<a name="l00452"></a>00452 <span class="keywordflow">return</span> nl_error(EINVAL, <span class="stringliteral">"Invalid vlan prio 0..%d"</span>,
<a name="l00453"></a>00453 VLAN_PRIO_MAX);
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="keywordflow">if</span> (vi->vi_negress >= vi->vi_egress_size) {
<a name="l00456"></a>00456 <span class="keywordtype">int</span> new_size = vi->vi_egress_size + 32;
<a name="l00457"></a>00457 <span class="keywordtype">void</span> *ptr;
<a name="l00458"></a>00458
<a name="l00459"></a>00459 ptr = realloc(vi->vi_egress_qos, new_size);
<a name="l00460"></a>00460 <span class="keywordflow">if</span> (!ptr)
<a name="l00461"></a>00461 <span class="keywordflow">return</span> nl_errno(ENOMEM);
<a name="l00462"></a>00462
<a name="l00463"></a>00463 vi->vi_egress_qos = ptr;
<a name="l00464"></a>00464 vi->vi_egress_size = new_size;
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466
<a name="l00467"></a>00467 vi->vi_egress_qos[vi->vi_negress].vm_from = from;
<a name="l00468"></a>00468 vi->vi_egress_qos[vi->vi_negress].vm_to = to;
<a name="l00469"></a>00469 vi->vi_negress++;
<a name="l00470"></a>00470 vi->vi_mask |= VLAN_HAS_EGRESS_QOS;
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keywordflow">return</span> 0;
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="keyword">struct </span><a class="code" href="structvlan__map.html">vlan_map</a> *rtnl_link_vlan_get_egress_map(<span class="keyword">struct</span> rtnl_link *link,
<a name="l00476"></a>00476 <span class="keywordtype">int</span> *negress)
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 <span class="keyword">struct </span>vlan_info *vi = link->l_info;
<a name="l00479"></a>00479
<a name="l00480"></a>00480 <span class="keywordflow">if</span> (link->l_info_ops != &vlan_info_ops || !link->l_info_ops) {
<a name="l00481"></a>00481 nl_error(EOPNOTSUPP, <span class="stringliteral">"Not a VLAN link"</span>);
<a name="l00482"></a>00482 <span class="keywordflow">return</span> NULL;
<a name="l00483"></a>00483 }
<a name="l00484"></a>00484
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (negress == NULL) {
<a name="l00486"></a>00486 nl_error(EINVAL, <span class="stringliteral">"Require pointer to store negress"</span>);
<a name="l00487"></a>00487 <span class="keywordflow">return</span> NULL;
<a name="l00488"></a>00488 }
<a name="l00489"></a>00489
<a name="l00490"></a>00490 <span class="keywordflow">if</span> (vi->vi_mask & VLAN_HAS_EGRESS_QOS) {
<a name="l00491"></a>00491 *negress = vi->vi_negress;
<a name="l00492"></a>00492 <span class="keywordflow">return</span> vi->vi_egress_qos;
<a name="l00493"></a>00493 } <span class="keywordflow">else</span> {
<a name="l00494"></a>00494 *negress = 0;
<a name="l00495"></a>00495 <span class="keywordflow">return</span> NULL;
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498
<a name="l00499"></a>00499 <span class="keyword">static</span> <span class="keywordtype">void</span> __init vlan_init(<span class="keywordtype">void</span>)
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 rtnl_link_register_info(&vlan_info_ops);
<a name="l00502"></a>00502 }
<a name="l00503"></a>00503
<a name="l00504"></a>00504 <span class="keyword">static</span> <span class="keywordtype">void</span> __exit vlan_exit(<span class="keywordtype">void</span>)
<a name="l00505"></a>00505 {
<a name="l00506"></a>00506 rtnl_link_unregister_info(&vlan_info_ops);
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508 <span class="comment"></span>
<a name="l00509"></a>00509 <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
>
275
