<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS V2: C:/Dev/git/UbixOS/sys/net/core/ipv6/ethip6.c Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(initResizable); /* @license-end */</script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">UbixOS V2  <span id="projectnumber">2.0</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.16 --> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ var searchBox = new SearchBox("searchBox", "search",false,'Search'); /* @license-end */ </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); /* @license-end */</script> <div id="main-nav"></div> </div><!-- top --> <div id="side-nav" class="ui-resizable side-nav-resizable"> <div id="nav-tree"> <div id="nav-tree-contents"> <div id="nav-sync" class="sync"></div> </div> </div> <div id="splitbar" style="-moz-user-select:none;" class="ui-resizable-handle"> </div> </div> <script type="text/javascript"> /* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ $(document).ready(function(){initNavTree('ethip6_8c_source.html','');}); /* @license-end */ </script> <div id="doc-content"> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="headertitle"> <div class="title">ethip6.c</div> </div> </div><!--header--> <div class="contents"> <a href="ethip6_8c.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"> * Copyright (c) 2010 Inico Technologies Ltd.</span></div> <div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</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"> * Redistribution and use in source and binary forms, with or without modification,</span></div> <div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div> <div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div> <div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div> <div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div> <div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div> <div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div> <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div> <div class="line"><a name="l00019"></a><span class="lineno"> 19</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="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div> <div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div> <div class="line"><a name="l00022"></a><span class="lineno"> 22</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="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div> <div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div> <div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div> <div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div> <div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div> <div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div> <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div> <div class="line"><a name="l00030"></a><span class="lineno"> 30</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="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * OF SUCH DAMAGE.</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> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div> <div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> *</span></div> <div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Author: Ivan Delamer <delamer@inicotech.com></span></div> <div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div> <div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div> <div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * Please coordinate changes and requests with Ivan Delamer</span></div> <div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * <delamer@inicotech.com></span></div> <div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> */</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="preprocessor">#include "<a class="code" href="opt_8h.html">net/opt.h</a>"</span></div> <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div> <div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_ETHERNET</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">#include "<a class="code" href="ethip6_8h.html">net/ethip6.h</a>"</span></div> <div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="preprocessor">#include "<a class="code" href="nd6_8h.html">net/nd6.h</a>"</span></div> <div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="preprocessor">#include "<a class="code" href="pbuf_8h.html">net/pbuf.h</a>"</span></div> <div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="ip6_8h.html">net/ip6.h</a>"</span></div> <div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="ip6__addr_8h.html">net/ip6_addr.h</a>"</span></div> <div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="inet__chksum_8h.html">net/inet_chksum.h</a>"</span></div> <div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "<a class="code" href="netif_8h.html">net/netif.h</a>"</span></div> <div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="icmp6_8h.html">net/icmp6.h</a>"</span></div> <div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="prot_2ethernet_8h.html">net/prot/ethernet.h</a>"</span></div> <div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="f_2ethernet_8h.html">netif/ethernet.h</a>"</span></div> <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div> <div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include <<a class="code" href="string_8h.html">string.h</a>></span></div> <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div> <div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div> <div class="line"><a name="l00079"></a><span class="lineno"> 79</span> ethip6_output(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *q, <span class="keyword">const</span> ip6_addr_t *ip6addr)</div> <div class="line"><a name="l00080"></a><span class="lineno"> 80</span> {</div> <div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">struct </span><a class="code" href="structeth__addr.html">eth_addr</a> dest;</div> <div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">const</span> <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *hwaddr;</div> <div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> result;</div> <div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div> <div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">/* multicast destination IP address? */</span></div> <div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (ip6_addr_ismulticast(ip6addr)) {</div> <div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="comment">/* Hash IP multicast address to MAC address.*/</span></div> <div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  dest.addr[0] = 0x33;</div> <div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  dest.addr[1] = 0x33;</div> <div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  dest.addr[2] = ((<span class="keyword">const</span> <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)(&(ip6addr->addr[3])))[0];</div> <div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  dest.addr[3] = ((<span class="keyword">const</span> <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)(&(ip6addr->addr[3])))[1];</div> <div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  dest.addr[4] = ((<span class="keyword">const</span> <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)(&(ip6addr->addr[3])))[2];</div> <div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  dest.addr[5] = ((<span class="keyword">const</span> <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)(&(ip6addr->addr[3])))[3];</div> <div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div> <div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">/* Send out. */</span></div> <div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordflow">return</span> ethernet_output(<a class="code" href="structnetif.html">netif</a>, q, (<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structeth__addr.html">eth_addr</a>*)(<a class="code" href="structnetif.html">netif</a>-><a class="code" href="structnetif.html#aee967965d999fc1a4c40a66709304e69">hwaddr</a>), &dest, <a class="code" href="group__ethernet.html#gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383">ETHTYPE_IPV6</a>);</div> <div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div> <div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  </div> <div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">/* We have a unicast destination IP address */</span></div> <div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">/* @todo anycast? */</span></div> <div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  </div> <div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">/* Ask ND6 what to do with the packet. */</span></div> <div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  result = nd6_get_next_hop_addr_or_queue(<a class="code" href="structnetif.html">netif</a>, q, ip6addr, &hwaddr);</div> <div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (result != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div> <div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> result;</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="comment">/* If no hardware address is returned, nd6 has queued the packet for later. */</span></div> <div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">if</span> (hwaddr == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div> <div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</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>  </div> <div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">/* Send out the packet using the returned hardware address. */</span></div> <div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="lwipopts_8h.html#a8c6e3c1e4f74acb16376188dbf8909ec">SMEMCPY</a>(dest.addr, hwaddr, 6);</div> <div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">return</span> ethernet_output(<a class="code" href="structnetif.html">netif</a>, q, (<span class="keyword">const</span> <span class="keyword">struct</span> <a class="code" href="structeth__addr.html">eth_addr</a>*)(<a class="code" href="structnetif.html">netif</a>-><a class="code" href="structnetif.html#aee967965d999fc1a4c40a66709304e69">hwaddr</a>), &dest, <a class="code" href="group__ethernet.html#gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383">ETHTYPE_IPV6</a>);</div> <div class="line"><a name="l00116"></a><span class="lineno"> 116</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">#endif </span><span class="comment">/* LWIP_IPV6 && LWIP_ETHERNET */</span><span class="preprocessor"></span></div> </div><!-- fragment --></div><!-- contents --> </div><!-- doc-content --> <div class="ttc" id="aopt_8h_html"><div class="ttname"><a href="opt_8h.html">opt.h</a></div></div> <div class="ttc" id="aprot_2ethernet_8h_html"><div class="ttname"><a href="prot_2ethernet_8h.html">ethernet.h</a></div></div> <div class="ttc" id="and6_8h_html"><div class="ttname"><a href="nd6_8h.html">nd6.h</a></div></div> <div class="ttc" id="apbuf_8h_html"><div class="ttname"><a href="pbuf_8h.html">pbuf.h</a></div></div> <div class="ttc" id="astring_8h_html"><div class="ttname"><a href="string_8h.html">string.h</a></div></div> <div class="ttc" id="aicmp6_8h_html"><div class="ttname"><a href="icmp6_8h.html">icmp6.h</a></div></div> <div class="ttc" id="astructnetif_html_aee967965d999fc1a4c40a66709304e69"><div class="ttname"><a href="structnetif.html#aee967965d999fc1a4c40a66709304e69">netif::hwaddr</a></div><div class="ttdeci">u8_t hwaddr[6U]</div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00311">netif.h:311</a></div></div> <div class="ttc" id="anetif_8h_html"><div class="ttname"><a href="netif_8h.html">netif.h</a></div></div> <div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div><div class="ttdeci">uint8_t u8_t</div><div class="ttdef"><b>Definition:</b> <a href="arch_8h_source.html#l00122">arch.h:122</a></div></div> <div class="ttc" id="astructnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00233">netif.h:233</a></div></div> <div class="ttc" id="agroup__ethernet_html_gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383"><div class="ttname"><a href="group__ethernet.html#gga4f8559808037803168499a3803900339aab26004eed559217be5dd466a79b1383">ETHTYPE_IPV6</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2ethernet_8h_source.html#l00120">ethernet.h:120</a></div></div> <div class="ttc" id="af_2ethernet_8h_html"><div class="ttname"><a href="f_2ethernet_8h.html">ethernet.h</a></div></div> <div class="ttc" id="aethip6_8h_html"><div class="ttname"><a href="ethip6_8h.html">ethip6.h</a></div></div> <div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00063">err.h:63</a></div></div> <div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div><div class="ttdeci">s8_t err_t</div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00057">err.h:57</a></div></div> <div class="ttc" id="astructeth__addr_html"><div class="ttname"><a href="structeth__addr.html">eth_addr</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2ethernet_8h_source.html#l00058">ethernet.h:58</a></div></div> <div class="ttc" id="aip6__addr_8h_html"><div class="ttname"><a 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