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<a href="../../d3/d7b/pppoe_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> <span class="comment">/*****************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">* pppoe.h - PPP Over Ethernet implementation for lwIP.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">*</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">* Copyright (c) 2006 by Marc Boucher, Services Informatiques (MBSI) inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">*</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">* The authors hereby grant permission to use, copy, modify, distribute,</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">* and license this software and its documentation for any purpose, provided</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">* that existing copyright notices are retained in all copies and that this</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">* notice and the following disclaimer are included verbatim in any </span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">* distributions. No written agreement, license, or royalty fee is required</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">* for any of the authorized uses.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">*</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. </span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment">* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">*</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment">******************************************************************************</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">* REVISION HISTORY</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment">*</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">* 06-01-01 Marc Boucher <marc@mbsi.ca></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment">* Ported to lwIP.</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>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  </div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/* based on NetBSD: if_pppoe.c,v 1.64 2006/01/31 23:50:15 martin Exp */</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">/*-</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * Copyright (c) 2002 The NetBSD Foundation, Inc.</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * This code is derived from software contributed to The NetBSD Foundation</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * by Martin Husemann <martin@NetBSD.org>.</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * modification, are permitted provided that the following conditions</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * are met:</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * notice, this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * documentation and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * 3. All advertising materials mentioning features or use of this software</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * must display the following acknowledgement:</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * This product includes software developed by the NetBSD</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> * Foundation, Inc. and its contributors.</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * 4. Neither the name of The NetBSD Foundation nor the names of its</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> * contributors may be used to endorse or promote products derived</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment"> * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment"> * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment"> * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment"> * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</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="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#if PPP_SUPPORT && PPPOE_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="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor">#ifndef PPP_OE_H</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define PPP_OE_H</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#include "<a class="code" href="../../d8/dca/ppp_8h.html">ppp.h</a>"</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor">#include "lwip/etharp.h"</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"># include "arch/bpstruct.h"</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">struct </span>pppoehdr {</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa8f75e4117374c2d09fbda5566e40b62">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> vertype);</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa8f75e4117374c2d09fbda5566e40b62">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> code);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="../../dc/df0/cc_8h.html#aab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> session);</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="../../dc/df0/cc_8h.html#aab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> plen);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> } <a class="code" href="../../dc/df0/cc_8h.html#a9ebc500530d0d9e6cd0b81969f48bbc8">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  </div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"># include "arch/bpstruct.h"</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="keyword">struct </span>pppoetag {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <a class="code" href="../../dc/df0/cc_8h.html#aab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> tag);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="../../dc/df0/cc_8h.html#aab0b988124e37a978d9a88e7c1c778e0">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> len);</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> } <a class="code" href="../../dc/df0/cc_8h.html#a9ebc500530d0d9e6cd0b81969f48bbc8">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#define PPPOE_STATE_INITIAL 0</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#define PPPOE_STATE_PADI_SENT 1</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#define PPPOE_STATE_PADR_SENT 2</span></div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="preprocessor">#define PPPOE_STATE_SESSION 3</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/* passive */</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#define PPPOE_STATE_PADO_SENT 1</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="preprocessor">#define PPPOE_HEADERLEN sizeof(struct pppoehdr)</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#define PPPOE_VERTYPE 0x11 </span><span class="comment">/* VER=1, TYPE = 1 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#define PPPOE_TAG_EOL 0x0000 </span><span class="comment">/* end of list */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="preprocessor">#define PPPOE_TAG_SNAME 0x0101 </span><span class="comment">/* service name */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#define PPPOE_TAG_ACNAME 0x0102 </span><span class="comment">/* access concentrator name */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="preprocessor">#define PPPOE_TAG_HUNIQUE 0x0103 </span><span class="comment">/* host unique */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="preprocessor">#define PPPOE_TAG_ACCOOKIE 0x0104 </span><span class="comment">/* AC cookie */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="preprocessor">#define PPPOE_TAG_VENDOR 0x0105 </span><span class="comment">/* vendor specific */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#define PPPOE_TAG_RELAYSID 0x0110 </span><span class="comment">/* relay session id */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#define PPPOE_TAG_SNAME_ERR 0x0201 </span><span class="comment">/* service name error */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor">#define PPPOE_TAG_ACSYS_ERR 0x0202 </span><span class="comment">/* AC system error */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#define PPPOE_TAG_GENERIC_ERR 0x0203 </span><span class="comment">/* gerneric error */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="preprocessor">#define PPPOE_CODE_PADI 0x09 </span><span class="comment">/* Active Discovery Initiation */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#define PPPOE_CODE_PADO 0x07 </span><span class="comment">/* Active Discovery Offer */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="preprocessor">#define PPPOE_CODE_PADR 0x19 </span><span class="comment">/* Active Discovery Request */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="preprocessor">#define PPPOE_CODE_PADS 0x65 </span><span class="comment">/* Active Discovery Session confirmation */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#define PPPOE_CODE_PADT 0xA7 </span><span class="comment">/* Active Discovery Terminate */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#ifndef PPPOE_MAX_AC_COOKIE_LEN</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="preprocessor">#define PPPOE_MAX_AC_COOKIE_LEN 64</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">struct </span>pppoe_softc {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">struct </span>pppoe_softc *next;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">struct </span><a class="code" href="../../d2/dd6/structnetif.html">netif</a> *sc_ethif; <span class="comment">/* ethernet interface we are using */</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  ppp_pcb *pcb; <span class="comment">/* PPP PCB */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keyword">struct </span><a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a> sc_dest; <span class="comment">/* hardware address of concentrator */</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> sc_session; <span class="comment">/* PPPoE session id */</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_state; <span class="comment">/* discovery phase or session connected */</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  </div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#ifdef PPPOE_TODO</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *sc_service_name; <span class="comment">/* if != NULL: requested name of service */</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *sc_concentrator_name; <span class="comment">/* if != NULL: requested concentrator id */</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#endif </span><span class="comment">/* PPPOE_TODO */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_ac_cookie[PPPOE_MAX_AC_COOKIE_LEN]; <span class="comment">/* content of AC cookie we must echo back */</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_ac_cookie_len; <span class="comment">/* length of cookie data */</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor">#ifdef PPPOE_SERVER</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *sc_hunique; <span class="comment">/* content of host unique we must echo back */</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_hunique_len; <span class="comment">/* length of host unique */</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_padi_retried; <span class="comment">/* number of PADI retries already done */</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> sc_padr_retried; <span class="comment">/* number of PADR retries already done */</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> };</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  </div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="preprocessor">#define pppoe_init() </span><span class="comment">/* compatibility define, no initialization needed */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> ppp_pcb *pppoe_create(<span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *pppif,</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *ethif,</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keyword">const</span> <span class="keywordtype">char</span> *service_name, <span class="keyword">const</span> <span class="keywordtype">char</span> *concentrator_name,</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  ppp_link_status_cb_fn link_status_cb, <span class="keywordtype">void</span> *ctx_cb);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="comment"> * Functions called from lwIP</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="comment"> * DO NOT CALL FROM lwIP USER APPLICATION.</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="keywordtype">void</span> pppoe_disc_input(<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">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="keywordtype">void</span> pppoe_data_input(<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">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  </div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor">#endif </span><span class="comment">/* PPP_OE_H */</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> <span class="preprocessor">#endif </span><span class="comment">/* PPP_SUPPORT && PPPOE_SUPPORT */</span><span class="preprocessor"></span></div>
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<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="../../d9/db8/structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
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