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&#160;<span id="projectnumber">0.0.9</span>
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<div id="projectbrief">An Alternative routing method</div>
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<div class="title">iptunnel.h</div> </div>
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<a href="../../d7/d0e/iptunnel_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/* This file is part of Netsukuku</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * (c) Copyright 2005 Andrea Lo Pumo aka AlpT &lt;alpt@freaknet.org&gt;</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * This source code is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * modify it under the terms of the GNU General Public License as published</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * by the Free Software Foundation; either version 2 of the License,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * or (at your option) any later version.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * This source code is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * Please refer to the GNU Public License for more details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * You should have received a copy of the GNU Public License along with</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * this source code; if not, write to:</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="preprocessor">#ifndef IPTUNNEL_H</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#define IPTUNNEL_H</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../dc/d8d/if_8h.html">if.h</a>&quot;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div>
<div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#a9e016b965ffdc238961977d6f36179b0"> 24</a></span>&#160;<span class="preprocessor">#define DEFAULT_TUNL_PREFIX &quot;tunl&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#ac05d27e9fe08cb86715d719d58c7c830"> 25</a></span>&#160;<span class="preprocessor">#define DEFAULT_TUNL_NUMBER 0 </span><span class="comment">/* The permanent tunl0 device */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#ae80c36a5a4809e675087a33d13f0f992"> 26</a></span>&#160;<span class="preprocessor">#define DEFAULT_TUNL_IF &quot;tunl0&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#a39f4d8ea372cffcb3758c6818ff9fea4"> 27</a></span>&#160;<span class="preprocessor">#define NTK_TUNL_PREFIX &quot;ntk_tunl&quot;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="comment">/* Usage: printf(TUNL_STRING, TUNL_NUMBER(&quot;tunl&quot;, x)); */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#a8c008d167f2195834e054fb3975995a1"> 30</a></span>&#160;<span class="preprocessor">#define TUNL_STRING &quot;%s%d&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#a3a99f4c768e54244daf60ed7dc50ab55"> 31</a></span>&#160;<span class="preprocessor">#define TUNL_N(prefix, x) prefix, x</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div>
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="../../d7/d0e/iptunnel_8h.html#a28878215dd74fb1b9a8fe990e5578c8b"> 33</a></span>&#160;<span class="preprocessor">#define MAX_TUNNEL_IFS 24 </span><span class="comment">/* it must be &gt;= MAX_MULTIPATH_ROUTES,</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="comment"> since in igs.c we are using a tunnel </span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="comment"> for each nexthop inet-gw */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="comment"> * * Globals * *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="keyword">interface </span>tunnel_ifs[<a class="code" href="../../d7/d0e/iptunnel_8h.html#a28878215dd74fb1b9a8fe990e5578c8b">MAX_TUNNEL_IFS</a>];</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment">/* </span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> * Functions declaration</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#a8d836353486990302d5e9ab4782ad04f">tunnel_add</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ae26d3bdbda86ef56b85bce67f3cb622e">tunnel_change</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev,</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number);</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#a770f08840a609f19a4db7cfc47e66778">tunnel_del</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev,</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; <span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#a6cb423d75645f7b9fc5d50bd482de44d">tun_add_tunl</a>(<a class="code" href="../../d9/dbe/structinterface.html">interface</a> *ifs, <span class="keywordtype">char</span> *tunl_prefix, u_char tunl_number);</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ae2688c7c3ee7d1d10a646644e08f66b5">tun_del_tunl</a>(<a class="code" href="../../d9/dbe/structinterface.html">interface</a> *ifs, <span class="keywordtype">char</span> *tunl_prefix, u_char tunl_number);</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#adfce586da0d4e2ab0da7c59840bd1fa2">init_tunnels_ifs</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ac1530909b70d5c7d0d743a455231ab4e">set_tunnel_ip</a>(<span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *tunl_ip);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#a2c789631c5972d028bb5a31079ad55fc">first_free_tunnel_if</a>(<span class="keywordtype">void</span>);</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#a2ad06b901b6a0d7c0f59f82c9762a27f">do_get</a>(<span class="keywordtype">char</span> *dev);</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ade446676cc0926692889f6f6efc3a7ba">add_tunnel_if</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *tunl_ip);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="keywordtype">int</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ac4140773b9400374d8142caa1cc14b55">del_tunnel_if</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keywordtype">char</span> *tunl_prefix, <span class="keywordtype">int</span> tunl_number);</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../d7/d0e/iptunnel_8h.html#ade2b2a63699f0fc83f3e4746afd97c2e">del_all_tunnel_ifs</a>(<a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *remote, <a class="code" href="../../da/d1d/structinet__prefix.html">inet_prefix</a> *local, <span class="keywordtype">char</span> *dev, </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keywordtype">char</span> *tunl_prefix);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="preprocessor">#endif </span><span class="comment">/* IPTUNNEL_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="iptunnel_8h_html_ade446676cc0926692889f6f6efc3a7ba"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ade446676cc0926692889f6f6efc3a7ba">add_tunnel_if</a></div><div class="ttdeci">int add_tunnel_if(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix, int tunl_number, inet_prefix *tunl_ip)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:368</div></div>
<div class="ttc" id="iptunnel_8h_html_a28878215dd74fb1b9a8fe990e5578c8b"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a28878215dd74fb1b9a8fe990e5578c8b">MAX_TUNNEL_IFS</a></div><div class="ttdeci">#define MAX_TUNNEL_IFS</div><div class="ttdef"><b>Definition:</b> iptunnel.h:33</div></div>
<div class="ttc" id="iptunnel_8h_html_a8d836353486990302d5e9ab4782ad04f"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a8d836353486990302d5e9ab4782ad04f">tunnel_add</a></div><div class="ttdeci">int tunnel_add(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix, int tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:49</div></div>
<div class="ttc" id="iptunnel_8h_html_ae2688c7c3ee7d1d10a646644e08f66b5"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ae2688c7c3ee7d1d10a646644e08f66b5">tun_del_tunl</a></div><div class="ttdeci">int tun_del_tunl(interface *ifs, char *tunl_prefix, u_char tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:307</div></div>
<div class="ttc" id="structinet__prefix_html"><div class="ttname"><a href="../../da/d1d/structinet__prefix.html">inet_prefix</a></div><div class="ttdef"><b>Definition:</b> inet.h:73</div></div>
<div class="ttc" id="structinterface_html"><div class="ttname"><a href="../../d9/dbe/structinterface.html">interface</a></div><div class="ttdef"><b>Definition:</b> if.h:29</div></div>
<div class="ttc" id="iptunnel_8h_html_ac1530909b70d5c7d0d743a455231ab4e"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ac1530909b70d5c7d0d743a455231ab4e">set_tunnel_ip</a></div><div class="ttdeci">int set_tunnel_ip(char *tunl_prefix, int tunl_number, inet_prefix *tunl_ip)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:349</div></div>
<div class="ttc" id="iptunnel_8h_html_a770f08840a609f19a4db7cfc47e66778"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a770f08840a609f19a4db7cfc47e66778">tunnel_del</a></div><div class="ttdeci">int tunnel_del(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix, int tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:63</div></div>
<div class="ttc" id="iptunnel_8h_html_ade2b2a63699f0fc83f3e4746afd97c2e"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ade2b2a63699f0fc83f3e4746afd97c2e">del_all_tunnel_ifs</a></div><div class="ttdeci">void del_all_tunnel_ifs(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:437</div></div>
<div class="ttc" id="iptunnel_8h_html_a2c789631c5972d028bb5a31079ad55fc"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a2c789631c5972d028bb5a31079ad55fc">first_free_tunnel_if</a></div><div class="ttdeci">int first_free_tunnel_if(void)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:335</div></div>
<div class="ttc" id="if_8h_html"><div class="ttname"><a href="../../dc/d8d/if_8h.html">if.h</a></div></div>
<div class="ttc" id="iptunnel_8h_html_a2ad06b901b6a0d7c0f59f82c9762a27f"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a2ad06b901b6a0d7c0f59f82c9762a27f">do_get</a></div><div class="ttdeci">int do_get(char *dev)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:235</div></div>
<div class="ttc" id="iptunnel_8h_html_ac4140773b9400374d8142caa1cc14b55"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ac4140773b9400374d8142caa1cc14b55">del_tunnel_if</a></div><div class="ttdeci">int del_tunnel_if(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix, int tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:418</div></div>
<div class="ttc" id="iptunnel_8h_html_a6cb423d75645f7b9fc5d50bd482de44d"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#a6cb423d75645f7b9fc5d50bd482de44d">tun_add_tunl</a></div><div class="ttdeci">int tun_add_tunl(interface *ifs, char *tunl_prefix, u_char tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:289</div></div>
<div class="ttc" id="iptunnel_8h_html_adfce586da0d4e2ab0da7c59840bd1fa2"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#adfce586da0d4e2ab0da7c59840bd1fa2">init_tunnels_ifs</a></div><div class="ttdeci">void init_tunnels_ifs(void)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:325</div></div>
<div class="ttc" id="iptunnel_8h_html_ae26d3bdbda86ef56b85bce67f3cb622e"><div class="ttname"><a href="../../d7/d0e/iptunnel_8h.html#ae26d3bdbda86ef56b85bce67f3cb622e">tunnel_change</a></div><div class="ttdeci">int tunnel_change(inet_prefix *remote, inet_prefix *local, char *dev, char *tunl_prefix, int tunl_number)</div><div class="ttdef"><b>Definition:</b> iptunnel.c:56</div></div>
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