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<h1>include/netlink/netlink-kernel.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef __LINUX_NETLINK_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define __LINUX_NETLINK_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">/**</span>
<a name="l00005"></a>00005 <span class="comment"> * Netlink socket address</span>
<a name="l00006"></a>00006 <span class="comment"> * @ingroup nl</span>
<a name="l00007"></a>00007 <span class="comment"> */</span>
<a name="l00008"></a><a class="code" href="structsockaddr__nl.html">00008</a> <span class="keyword">struct </span><a class="code" href="structsockaddr__nl.html" title="Netlink socket address.">sockaddr_nl</a>
<a name="l00009"></a>00009 {<span class="comment"></span>
<a name="l00010"></a>00010 <span class="comment"> /** socket family (AF_NETLINK) */</span>
<a name="l00011"></a><a class="code" href="structsockaddr__nl.html#a28df558ea904fe04840eb2a4ce4b779d">00011</a> sa_family_t <a class="code" href="structsockaddr__nl.html#a28df558ea904fe04840eb2a4ce4b779d" title="socket family (AF_NETLINK)">nl_family</a>;
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment"> /** Padding (unused) */</span>
<a name="l00014"></a><a class="code" href="structsockaddr__nl.html#a17074baf7e9d3e736fa90300ac853048">00014</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> <a class="code" href="structsockaddr__nl.html#a17074baf7e9d3e736fa90300ac853048" title="Padding (unused)">nl_pad</a>;
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment"> /** Unique process ID */</span>
<a name="l00017"></a><a class="code" href="structsockaddr__nl.html#abdf852cfb76d925aaec2d6245d6dcaa6">00017</a> uint32_t <a class="code" href="structsockaddr__nl.html#abdf852cfb76d925aaec2d6245d6dcaa6" title="Unique process ID.">nl_pid</a>;
<a name="l00018"></a>00018 <span class="comment"></span>
<a name="l00019"></a>00019 <span class="comment"> /** Multicast group subscriptions */</span>
<a name="l00020"></a><a class="code" href="structsockaddr__nl.html#a12ad966064bdb411ef99694ef3c0aecb">00020</a> uint32_t <a class="code" href="structsockaddr__nl.html#a12ad966064bdb411ef99694ef3c0aecb" title="Multicast group subscriptions.">nl_groups</a>;
<a name="l00021"></a>00021 };
<a name="l00022"></a>00022 <span class="comment"></span>
<a name="l00023"></a>00023 <span class="comment">/**</span>
<a name="l00024"></a>00024 <span class="comment"> * Netlink message header</span>
<a name="l00025"></a>00025 <span class="comment"> * @ingroup msg</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a><a class="code" href="structnlmsghdr.html">00027</a> <span class="keyword">struct </span><a class="code" href="structnlmsghdr.html" title="Netlink message header.">nlmsghdr</a>
<a name="l00028"></a>00028 {<span class="comment"></span>
<a name="l00029"></a>00029 <span class="comment"> /**</span>
<a name="l00030"></a>00030 <span class="comment"> * Length of message including header.</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a><a class="code" href="structnlmsghdr.html#a5a3fdb3436743ec73e75471c899fd4bc">00032</a> uint32_t <a class="code" href="structnlmsghdr.html#a5a3fdb3436743ec73e75471c899fd4bc" title="Length of message including header.">nlmsg_len</a>;
<a name="l00033"></a>00033 <span class="comment"></span>
<a name="l00034"></a>00034 <span class="comment"> /**</span>
<a name="l00035"></a>00035 <span class="comment"> * Message type (content type)</span>
<a name="l00036"></a>00036 <span class="comment"> */</span>
<a name="l00037"></a><a class="code" href="structnlmsghdr.html#a7232c4e6cb513010e64887b7eebf8823">00037</a> uint16_t <a class="code" href="structnlmsghdr.html#a7232c4e6cb513010e64887b7eebf8823" title="Message type (content type)">nlmsg_type</a>;
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="comment"> /**</span>
<a name="l00040"></a>00040 <span class="comment"> * Message flags</span>
<a name="l00041"></a>00041 <span class="comment"> */</span>
<a name="l00042"></a><a class="code" href="structnlmsghdr.html#abcf664d354ea35ebb9b3d8a50088fec6">00042</a> uint16_t <a class="code" href="structnlmsghdr.html#abcf664d354ea35ebb9b3d8a50088fec6" title="Message flags.">nlmsg_flags</a>;
<a name="l00043"></a>00043 <span class="comment"></span>
<a name="l00044"></a>00044 <span class="comment"> /**</span>
<a name="l00045"></a>00045 <span class="comment"> * Sequence number</span>
<a name="l00046"></a>00046 <span class="comment"> */</span>
<a name="l00047"></a><a class="code" href="structnlmsghdr.html#ad6c6a7aa9de65bb2da498c84148be7e6">00047</a> uint32_t <a class="code" href="structnlmsghdr.html#ad6c6a7aa9de65bb2da498c84148be7e6" title="Sequence number.">nlmsg_seq</a>;
<a name="l00048"></a>00048 <span class="comment"></span>
<a name="l00049"></a>00049 <span class="comment"> /**</span>
<a name="l00050"></a>00050 <span class="comment"> * Netlink PID of the proccess sending the message.</span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a><a class="code" href="structnlmsghdr.html#a071903f5e2400298bca69ac70500421f">00052</a> uint32_t <a class="code" href="structnlmsghdr.html#a071903f5e2400298bca69ac70500421f" title="Netlink PID of the proccess sending the message.">nlmsg_pid</a>;
<a name="l00053"></a>00053 };
<a name="l00054"></a>00054 <span class="comment"></span>
<a name="l00055"></a>00055 <span class="comment">/**</span>
<a name="l00056"></a>00056 <span class="comment"> * @name Standard message flags</span>
<a name="l00057"></a>00057 <span class="comment"> * @{</span>
<a name="l00058"></a>00058 <span class="comment"> */</span>
<a name="l00059"></a>00059 <span class="comment"></span>
<a name="l00060"></a>00060 <span class="comment">/**</span>
<a name="l00061"></a>00061 <span class="comment"> * Must be set on all request messages (typically from user space to</span>
<a name="l00062"></a>00062 <span class="comment"> * kernel space).</span>
<a name="l00063"></a>00063 <span class="comment"> * @ingroup msg</span>
<a name="l00064"></a>00064 <span class="comment"> */</span>
<a name="l00065"></a><a class="code" href="group__msg.html#ga456954d27b8adedd78136a9511f13160">00065</a> <span class="preprocessor">#define NLM_F_REQUEST 1</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00067"></a>00067 <span class="comment">/**</span>
<a name="l00068"></a>00068 <span class="comment"> * Indicates the message is part of a multipart message terminated</span>
<a name="l00069"></a>00069 <span class="comment"> * by NLMSG_DONE.</span>
<a name="l00070"></a>00070 <span class="comment"> */</span>
<a name="l00071"></a><a class="code" href="group__msg.html#ga245e7fde2fbbdeb3860899f50213ff35">00071</a> <span class="preprocessor">#define NLM_F_MULTI 2</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00073"></a>00073 <span class="comment">/**</span>
<a name="l00074"></a>00074 <span class="comment"> * Request for an acknowledgment on success.</span>
<a name="l00075"></a>00075 <span class="comment"> */</span>
<a name="l00076"></a><a class="code" href="group__msg.html#ga67d5b6ba8714b97d74df72d119351bee">00076</a> <span class="preprocessor">#define NLM_F_ACK 4</span>
<a name="l00077"></a>00077 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00078"></a>00078 <span class="comment">/**</span>
<a name="l00079"></a>00079 <span class="comment"> * Echo this request</span>
<a name="l00080"></a>00080 <span class="comment"> */</span>
<a name="l00081"></a><a class="code" href="group__msg.html#gac39e15f4f5ba3d381bceae0f0476d001">00081</a> <span class="preprocessor">#define NLM_F_ECHO 8</span>
<a name="l00082"></a>00082 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00083"></a>00083 <span class="comment">/** @} */</span>
<a name="l00084"></a>00084 <span class="comment"></span>
<a name="l00085"></a>00085 <span class="comment">/**</span>
<a name="l00086"></a>00086 <span class="comment"> * @name Additional message flags for GET requests</span>
<a name="l00087"></a>00087 <span class="comment"> * @{</span>
<a name="l00088"></a>00088 <span class="comment"> */</span>
<a name="l00089"></a>00089 <span class="comment"></span>
<a name="l00090"></a>00090 <span class="comment">/**</span>
<a name="l00091"></a>00091 <span class="comment"> * Return the complete table instead of a single entry.</span>
<a name="l00092"></a>00092 <span class="comment"> * @ingroup msg</span>
<a name="l00093"></a>00093 <span class="comment"> */</span>
<a name="l00094"></a><a class="code" href="group__msg.html#ga9b2c023dd75018e29e84c0ac8df20720">00094</a> <span class="preprocessor">#define NLM_F_ROOT 0x100</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00096"></a>00096 <span class="comment">/**</span>
<a name="l00097"></a>00097 <span class="comment"> * Return all entries matching criteria passed in message content.</span>
<a name="l00098"></a>00098 <span class="comment"> */</span>
<a name="l00099"></a><a class="code" href="group__msg.html#ga49bcfe3ce8471f372dcd17f6f989cd88">00099</a> <span class="preprocessor">#define NLM_F_MATCH 0x200</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00101"></a>00101 <span class="comment">/**</span>
<a name="l00102"></a>00102 <span class="comment"> * Return an atomic snapshot of the table being referenced. This</span>
<a name="l00103"></a>00103 <span class="comment"> * may require special privileges because it has the potential to</span>
<a name="l00104"></a>00104 <span class="comment"> * interrupt service in the FE for a longer time.</span>
<a name="l00105"></a>00105 <span class="comment"> */</span>
<a name="l00106"></a><a class="code" href="group__msg.html#gaa5a74825940c1ee06bbe5bb808815873">00106</a> <span class="preprocessor">#define NLM_F_ATOMIC 0x400</span>
<a name="l00107"></a>00107 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00108"></a>00108 <span class="comment">/**</span>
<a name="l00109"></a>00109 <span class="comment"> * Dump all entries</span>
<a name="l00110"></a>00110 <span class="comment"> */</span>
<a name="l00111"></a><a class="code" href="group__msg.html#ga8d4fb2458c013decb6673f41c52c07b1">00111</a> <span class="preprocessor">#define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00113"></a>00113 <span class="comment">/** @} */</span>
<a name="l00114"></a>00114 <span class="comment"></span>
<a name="l00115"></a>00115 <span class="comment">/**</span>
<a name="l00116"></a>00116 <span class="comment"> * @name Additional messsage flags for NEW requests</span>
<a name="l00117"></a>00117 <span class="comment"> * @{</span>
<a name="l00118"></a>00118 <span class="comment"> */</span>
<a name="l00119"></a>00119 <span class="comment"></span>
<a name="l00120"></a>00120 <span class="comment">/**</span>
<a name="l00121"></a>00121 <span class="comment"> * Replace existing matching config object with this request.</span>
<a name="l00122"></a>00122 <span class="comment"> * @ingroup msg</span>
<a name="l00123"></a>00123 <span class="comment"> */</span>
<a name="l00124"></a><a class="code" href="group__msg.html#ga508feb1b826c0b8f6b2487c682ddb734">00124</a> <span class="preprocessor">#define NLM_F_REPLACE 0x100</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00126"></a>00126 <span class="comment">/**</span>
<a name="l00127"></a>00127 <span class="comment"> * Don't replace the config object if it already exists.</span>
<a name="l00128"></a>00128 <span class="comment"> */</span>
<a name="l00129"></a><a class="code" href="group__msg.html#ga0b0f8c9581ee93747c7d9e94ca0e0596">00129</a> <span class="preprocessor">#define NLM_F_EXCL 0x200</span>
<a name="l00130"></a>00130 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00131"></a>00131 <span class="comment">/**</span>
<a name="l00132"></a>00132 <span class="comment"> * Create config object if it doesn't already exist.</span>
<a name="l00133"></a>00133 <span class="comment"> */</span>
<a name="l00134"></a><a class="code" href="group__msg.html#ga20a00ae52e4c150f54649d7346d23a7a">00134</a> <span class="preprocessor">#define NLM_F_CREATE 0x400</span>
<a name="l00135"></a>00135 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00136"></a>00136 <span class="comment">/**</span>
<a name="l00137"></a>00137 <span class="comment"> * Add to the end of the object list.</span>
<a name="l00138"></a>00138 <span class="comment"> */</span>
<a name="l00139"></a><a class="code" href="group__msg.html#ga2113407e49ea146733a76f4c71294016">00139</a> <span class="preprocessor">#define NLM_F_APPEND 0x800</span>
<a name="l00140"></a>00140 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00141"></a>00141 <span class="comment">/** @} */</span>
<a name="l00142"></a>00142 <span class="comment"></span>
<a name="l00143"></a>00143 <span class="comment">/**</span>
<a name="l00144"></a>00144 <span class="comment"> * @name Standard Message types</span>
<a name="l00145"></a>00145 <span class="comment"> * @{</span>
<a name="l00146"></a>00146 <span class="comment"> */</span>
<a name="l00147"></a>00147 <span class="comment"></span>
<a name="l00148"></a>00148 <span class="comment">/**</span>
<a name="l00149"></a>00149 <span class="comment"> * No operation, message must be ignored</span>
<a name="l00150"></a>00150 <span class="comment"> * @ingroup msg</span>
<a name="l00151"></a>00151 <span class="comment"> */</span>
<a name="l00152"></a><a class="code" href="group__msg.html#ga3033de03e6242ba7d7ffd2f2f4d3fb38">00152</a> <span class="preprocessor">#define NLMSG_NOOP 0x1</span>
<a name="l00153"></a>00153 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00154"></a>00154 <span class="comment">/**</span>
<a name="l00155"></a>00155 <span class="comment"> * The message signals an error and the payload contains a nlmsgerr</span>
<a name="l00156"></a>00156 <span class="comment"> * structure. This can be looked at as a NACK and typically it is</span>
<a name="l00157"></a>00157 <span class="comment"> * from FEC to CPC.</span>
<a name="l00158"></a>00158 <span class="comment"> */</span>
<a name="l00159"></a><a class="code" href="group__msg.html#ga2d6d3c937fdda1d64201c5abfd5a2b83">00159</a> <span class="preprocessor">#define NLMSG_ERROR 0x2</span>
<a name="l00160"></a>00160 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00161"></a>00161 <span class="comment">/**</span>
<a name="l00162"></a>00162 <span class="comment"> * Message terminates a multipart message.</span>
<a name="l00163"></a>00163 <span class="comment"> */</span>
<a name="l00164"></a><a class="code" href="group__msg.html#ga151b98bf01f462dbc5d3c69e6396e064">00164</a> <span class="preprocessor">#define NLMSG_DONE 0x3</span>
<a name="l00165"></a>00165 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00166"></a>00166 <span class="comment">/**</span>
<a name="l00167"></a>00167 <span class="comment"> * The message signals that data got lost</span>
<a name="l00168"></a>00168 <span class="comment"> */</span>
<a name="l00169"></a><a class="code" href="group__msg.html#ga369a70cf77edb2766b2196dfc70e9147">00169</a> <span class="preprocessor">#define NLMSG_OVERRUN 0x4</span>
<a name="l00170"></a>00170 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00171"></a>00171 <span class="comment">/**</span>
<a name="l00172"></a>00172 <span class="comment"> * Lower limit of reserved message types</span>
<a name="l00173"></a>00173 <span class="comment"> */</span>
<a name="l00174"></a><a class="code" href="group__msg.html#gaacc5e594f0d9c96f7fc07eb2805dd646">00174</a> <span class="preprocessor">#define NLMSG_MIN_TYPE 0x10</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span><span class="comment"></span>
<a name="l00176"></a>00176 <span class="comment">/** @} */</span>
<a name="l00177"></a>00177 <span class="comment"></span>
<a name="l00178"></a>00178 <span class="comment">/**</span>
<a name="l00179"></a>00179 <span class="comment"> * Netlink error message</span>
<a name="l00180"></a>00180 <span class="comment"> * @ingroup msg</span>
<a name="l00181"></a>00181 <span class="comment"> */</span>
<a name="l00182"></a><a class="code" href="structnlmsgerr.html">00182</a> <span class="keyword">struct </span><a class="code" href="structnlmsgerr.html" title="Netlink error message.">nlmsgerr</a>
<a name="l00183"></a>00183 {<span class="comment"></span>
<a name="l00184"></a>00184 <span class="comment"> /** Error code (errno number) */</span>
<a name="l00185"></a><a class="code" href="structnlmsgerr.html#ad74e54e113a2aefba0d2a3e0bb8a768d">00185</a> <span class="keywordtype">int</span> <a class="code" href="structnlmsgerr.html#ad74e54e113a2aefba0d2a3e0bb8a768d" title="Error code (errno number)">error</a>;
<a name="l00186"></a>00186 <span class="comment"></span>
<a name="l00187"></a>00187 <span class="comment"> /** Original netlink message causing the error */</span>
<a name="l00188"></a><a class="code" href="structnlmsgerr.html#acf3fb4d9ccd3f6a112347684e32dcb5a">00188</a> <span class="keyword">struct </span><a class="code" href="structnlmsghdr.html" title="Netlink message header.">nlmsghdr</a> <a class="code" href="structnlmsgerr.html#acf3fb4d9ccd3f6a112347684e32dcb5a" title="Original netlink message causing the error.">msg</a>;
<a name="l00189"></a>00189 };
<a name="l00190"></a>00190
<a name="l00191"></a><a class="code" href="structnl__pktinfo.html">00191</a> <span class="keyword">struct </span><a class="code" href="structnl__pktinfo.html">nl_pktinfo</a>
<a name="l00192"></a>00192 {
<a name="l00193"></a>00193 __u32 group;
<a name="l00194"></a>00194 };
<a name="l00195"></a>00195
<a name="l00196"></a>00196 <span class="preprocessor">#endif </span><span class="comment">/* __LINUX_NETLINK_H */</span>
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