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<a href="../../dd/d1b/pppol2tp_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>  </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "<a class="code" href="../../db/dd1/ppp__opts_8h.html">netif/ppp/ppp_opts.h</a>"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#if PPP_SUPPORT && PPPOL2TP_SUPPORT </span><span class="comment">/* don't build if not configured for use in lwipopts.h */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifndef PPPOL2TP_H</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define PPPOL2TP_H</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "<a class="code" href="../../d8/dca/ppp_8h.html">ppp.h</a>"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">/* Timeout */</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#define PPPOL2TP_CONTROL_TIMEOUT (5*1000) </span><span class="comment">/* base for quick timeout calculation */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#define PPPOL2TP_SLOW_RETRY (60*1000) </span><span class="comment">/* persistent retry interval */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#define PPPOL2TP_MAXSCCRQ 4 </span><span class="comment">/* retry SCCRQ four times (quickly) */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#define PPPOL2TP_MAXICRQ 4 </span><span class="comment">/* retry IRCQ four times */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#define PPPOL2TP_MAXICCN 4 </span><span class="comment">/* retry ICCN four times */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">/* L2TP header flags */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_CONTROL 0x8000</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_LENGTH 0x4000</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_SEQUENCE 0x0800</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_OFFSET 0x0200</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_PRIORITY 0x0100</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_VERSION 0x0002</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">/* Mandatory bits for control: Control, Length, Sequence, Version 2 */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_CONTROL_MANDATORY (PPPOL2TP_HEADERFLAG_CONTROL|PPPOL2TP_HEADERFLAG_LENGTH|PPPOL2TP_HEADERFLAG_SEQUENCE|PPPOL2TP_HEADERFLAG_VERSION)</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">/* Forbidden bits for control: Offset, Priority */</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_CONTROL_FORBIDDEN (PPPOL2TP_HEADERFLAG_OFFSET|PPPOL2TP_HEADERFLAG_PRIORITY)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment">/* Mandatory bits for data: Version 2 */</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#define PPPOL2TP_HEADERFLAG_DATA_MANDATORY (PPPOL2TP_HEADERFLAG_VERSION)</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment">/* AVP (Attribute Value Pair) header */</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#define PPPOL2TP_AVPHEADERFLAG_MANDATORY 0x8000</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define PPPOL2TP_AVPHEADERFLAG_HIDDEN 0x4000</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#define PPPOL2TP_AVPHEADERFLAG_LENGTHMASK 0x03ff</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">/* -- AVP - Message type */</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_MESSAGE 0 </span><span class="comment">/* Message type */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment">/* Control Connection Management */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_SCCRQ 1 </span><span class="comment">/* Start Control Connection Request */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_SCCRP 2 </span><span class="comment">/* Start Control Connection Reply */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_SCCCN 3 </span><span class="comment">/* Start Control Connection Connected */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_STOPCCN 4 </span><span class="comment">/* Stop Control Connection Notification */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_HELLO 6 </span><span class="comment">/* Hello */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="comment">/* Call Management */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_OCRQ 7 </span><span class="comment">/* Outgoing Call Request */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_OCRP 8 </span><span class="comment">/* Outgoing Call Reply */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_OCCN 9 </span><span class="comment">/* Outgoing Call Connected */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_ICRQ 10 </span><span class="comment">/* Incoming Call Request */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_ICRP 11 </span><span class="comment">/* Incoming Call Reply */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_ICCN 12 </span><span class="comment">/* Incoming Call Connected */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_CDN 14 </span><span class="comment">/* Call Disconnect Notify */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">/* Error reporting */</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_WEN 15 </span><span class="comment">/* WAN Error Notify */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment">/* PPP Session Control */</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#define PPPOL2TP_MESSAGETYPE_SLI 16 </span><span class="comment">/* Set Link Info */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/* -- AVP - Result code */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_RESULTCODE 1 </span><span class="comment">/* Result code */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#define PPPOL2TP_RESULTCODE 1 </span><span class="comment">/* General request to clear control connection */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/* -- AVP - Protocol version (!= L2TP Header version) */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_VERSION 2</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="preprocessor">#define PPPOL2TP_VERSION 0x0100 </span><span class="comment">/* L2TP Protocol version 1, revision 0 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="comment">/* -- AVP - Framing capabilities */</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_FRAMINGCAPABILITIES 3 </span><span class="comment">/* Bearer capabilities */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#define PPPOL2TP_FRAMINGCAPABILITIES 0x00000003 </span><span class="comment">/* Async + Sync framing */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">/* -- AVP - Bearer capabilities */</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_BEARERCAPABILITIES 4 </span><span class="comment">/* Bearer capabilities */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#define PPPOL2TP_BEARERCAPABILITIES 0x00000003 </span><span class="comment">/* Analog + Digital Access */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="comment">/* -- AVP - Tie breaker */</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_TIEBREAKER 5</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  </div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/* -- AVP - Host name */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_HOSTNAME 7 </span><span class="comment">/* Host name */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="preprocessor">#define PPPOL2TP_HOSTNAME "lwIP" </span><span class="comment">/* FIXME: make it configurable */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  </div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="comment">/* -- AVP - Vendor name */</span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_VENDORNAME 8 </span><span class="comment">/* Vendor name */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#define PPPOL2TP_VENDORNAME "lwIP" </span><span class="comment">/* FIXME: make it configurable */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="comment">/* -- AVP - Assign tunnel ID */</span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_TUNNELID 9 </span><span class="comment">/* Assign Tunnel ID */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">/* -- AVP - Receive window size */</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_RECEIVEWINDOWSIZE 10 </span><span class="comment">/* Receive window size */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#define PPPOL2TP_RECEIVEWINDOWSIZE 8 </span><span class="comment">/* FIXME: make it configurable */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">/* -- AVP - Challenge */</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_CHALLENGE 11 </span><span class="comment">/* Challenge */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/* -- AVP - Cause code */</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_CAUSECODE 12 </span><span class="comment">/* Cause code*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment">/* -- AVP - Challenge response */</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_CHALLENGERESPONSE 13 </span><span class="comment">/* Challenge response */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_CHALLENGERESPONSE_SIZE 16</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="comment">/* -- AVP - Assign session ID */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_SESSIONID 14 </span><span class="comment">/* Assign Session ID */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/* -- AVP - Call serial number */</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_CALLSERIALNUMBER 15 </span><span class="comment">/* Call Serial Number */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">/* -- AVP - Framing type */</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_FRAMINGTYPE 19 </span><span class="comment">/* Framing Type */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="preprocessor">#define PPPOL2TP_FRAMINGTYPE 0x00000001 </span><span class="comment">/* Sync framing */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/* -- AVP - TX Connect Speed */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#define PPPOL2TP_AVPTYPE_TXCONNECTSPEED 24 </span><span class="comment">/* TX Connect Speed */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#define PPPOL2TP_TXCONNECTSPEED 100000000 </span><span class="comment">/* Connect speed: 100 Mbits/s */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="comment">/* L2TP Session state */</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor">#define PPPOL2TP_STATE_INITIAL 0</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> <span class="preprocessor">#define PPPOL2TP_STATE_SCCRQ_SENT 1</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#define PPPOL2TP_STATE_ICRQ_SENT 2</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="preprocessor">#define PPPOL2TP_STATE_ICCN_SENT 3</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor">#define PPPOL2TP_STATE_DATA 4</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor">#define PPPOL2TP_OUTPUT_DATA_HEADER_LEN 6 </span><span class="comment">/* Our data header len */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment"> * PPPoL2TP interface control block.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="keyword">typedef</span> <span class="keyword">struct </span>pppol2tp_pcb_s pppol2tp_pcb;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">struct </span>pppol2tp_pcb_s {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  ppp_pcb *ppp; <span class="comment">/* PPP PCB */</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> phase; <span class="comment">/* L2TP phase */</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">struct </span>udp_pcb *udp; <span class="comment">/* UDP L2TP Socket */</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">struct </span><a class="code" href="../../d2/dd6/structnetif.html">netif</a> *<a class="code" href="../../d2/dd6/structnetif.html">netif</a>; <span class="comment">/* Output interface, used as a default route */</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> remote_ip; <span class="comment">/* LNS IP Address */</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_port; <span class="comment">/* LNS port */</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#if PPPOL2TP_AUTH_SUPPORT</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *secret; <span class="comment">/* Secret string */</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> secret_len; <span class="comment">/* Secret string length */</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> secret_rv[16]; <span class="comment">/* Random vector */</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> challenge_hash[16]; <span class="comment">/* Challenge response */</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> send_challenge; <span class="comment">/* Boolean whether the next sent packet should contains a challenge response */</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif </span><span class="comment">/* PPPOL2TP_AUTH_SUPPORT */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> tunnel_port; <span class="comment">/* Tunnel port */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> our_ns; <span class="comment">/* NS to peer */</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> peer_nr; <span class="comment">/* NR from peer */</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> peer_ns; <span class="comment">/* NS from peer */</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> source_tunnel_id; <span class="comment">/* Tunnel ID assigned by peer */</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_tunnel_id; <span class="comment">/* Tunnel ID assigned to peer */</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> source_session_id; <span class="comment">/* Session ID assigned by peer */</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> remote_session_id; <span class="comment">/* Session ID assigned to peer */</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sccrq_retried; <span class="comment">/* number of SCCRQ retries already done */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> icrq_retried; <span class="comment">/* number of ICRQ retries already done */</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> iccn_retried; <span class="comment">/* number of ICCN retries already done */</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> };</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/* Create a new L2TP session. */</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> ppp_pcb *pppol2tp_create(<span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *pppif,</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *ipaddr, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> port,</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">const</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *secret, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> secret_len,</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  ppp_link_status_cb_fn link_status_cb, <span class="keywordtype">void</span> *ctx_cb);</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  </div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="preprocessor">#endif </span><span class="comment">/* PPPOL2TP_H */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> <span class="preprocessor">#endif </span><span class="comment">/* PPP_SUPPORT && PPPOL2TP_SUPPORT */</span><span class="preprocessor"></span></div>
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