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<div class="title">autoip.c</div> </div>
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<a href="../../d7/d5e/autoip_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="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"> *</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * Copyright (c) 2007 Dominik Spies <kontakt@dspies.de></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * are permitted provided that the following conditions are met:</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"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</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="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</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="l00046"></a><span class="lineno"> 46</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</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="l00054"></a><span class="lineno"> 54</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * Author: Dominik Spies <kontakt@dspies.de></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>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>"</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#if LWIP_IPV4 && LWIP_AUTOIP </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="l00062"></a><span class="lineno"> 62</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d9a/mem_8h.html">net/mem.h</a>"</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/* #include "net/udp.h" */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#include "<a class="code" href="../../de/df7/ip__addr_8h.html">net/ip_addr.h</a>"</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d69/netif_8h.html">net/netif.h</a>"</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#include "<a class="code" href="../../d2/d5b/autoip_8h.html">net/autoip.h</a>"</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#include "<a class="code" href="../../df/dbc/etharp_8h.html">net/etharp.h</a>"</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor">#include "<a class="code" href="../../d6/dc0/prot_2autoip_8h.html">net/prot/autoip.h</a>"</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="preprocessor">#include <<a class="code" href="../../da/d66/string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#ifndef LWIP_AUTOIP_RAND</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define LWIP_AUTOIP_RAND(netif) ( (((u32_t)((netif->hwaddr[5]) & 0xff) << 24) | \</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> ((u32_t)((netif->hwaddr[3]) & 0xff) << 16) | \</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"> ((u32_t)((netif->hwaddr[2]) & 0xff) << 8) | \</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="preprocessor"> ((u32_t)((netif->hwaddr[4]) & 0xff))) + \</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="preprocessor"> (netif_autoip_data(netif)? netif_autoip_data(netif)->tried_llipaddr : 0))</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_AUTOIP_RAND */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#ifndef LWIP_AUTOIP_CREATE_SEED_ADDR</span></div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#define LWIP_AUTOIP_CREATE_SEED_ADDR(netif) \</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"> lwip_htonl(AUTOIP_RANGE_START + ((u32_t)(((u8_t)(netif->hwaddr[4])) | \</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="preprocessor"> ((u32_t)((u8_t)(netif->hwaddr[5]))) << 8)))</span></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_AUTOIP_CREATE_SEED_ADDR */</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">/* static functions */</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> autoip_arp_announce(<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>);</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword">static</span> <span class="keywordtype">void</span> autoip_start_probing(<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>);</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> autoip_set_struct(<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> autoip *autoip)</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>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"netif != NULL"</span>, <a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"autoip != NULL"</span>, autoip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"netif already has a struct autoip set"</span>,</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>) == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</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">/* clear data structure */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="../../da/d66/string_8h.html#ace4b911463887af5e748326323e99a23">memset</a>(autoip, 0, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> autoip));</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">/* autoip->state = AUTOIP_STATE_OFF; */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  netif_set_client_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_AUTOIP, autoip);</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>  </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> autoip_restart(<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>)</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  autoip->tried_llipaddr++;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  autoip_start(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</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>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> autoip_handle_arp_conflict(<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>)</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="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</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="comment">/* RFC3927, 2.5 "Conflict Detection and Defense" allows two options where</span></div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment"> a) means retreat on the first conflict and</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment"> b) allows to keep an already configured address when having only one</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment"> conflict in 10 seconds</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment"> We use option b) since it helps to improve the chance that one of the two</span></div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment"> conflicting hosts may be able to retain its address. */</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">if</span> (autoip->lastconflict > 0) {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">/* retreat, there was a conflicting ARP in the last DEFEND_INTERVAL seconds */</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  (<span class="stringliteral">"autoip_handle_arp_conflict(): we are defending, but in DEFEND_INTERVAL, retreating\n"</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">/* Active TCP sessions are aborted when removing the ip addresss */</span></div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  autoip_restart(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  (<span class="stringliteral">"autoip_handle_arp_conflict(): we are defend, send ARP Announce\n"</span>));</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  autoip_arp_announce(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  autoip->lastconflict = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a5c21e0d4d66eb7056ba4d515d36f0a20">DEFEND_INTERVAL</a> * AUTOIP_TICKS_PER_SECOND;</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</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>  </div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> autoip_create_addr(<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>, ip4_addr_t *ipaddr)</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="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  </div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">/* Here we create an IP-Address out of range 169.254.1.0 to 169.254.254.255</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="comment"> * compliant to RFC 3927 Section 2.1</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment"> * We have 254 * 256 possibilities */</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> addr = <a class="code" href="../../d4/da4/def_8h.html#a56098407d66feb75806f655bafbee81d">lwip_ntohl</a>(LWIP_AUTOIP_CREATE_SEED_ADDR(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>));</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  addr += autoip->tried_llipaddr;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  addr = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#ac19d92e0bfcb52079adbe92fb569d468">AUTOIP_NET</a> | (addr & 0xffff);</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="comment">/* Now, 169.254.0.0 <= addr <= 169.254.255.255 */</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  </div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">if</span> (addr < <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a8b4506c8e0ab7631f49567f9b81779c6">AUTOIP_RANGE_START</a>) {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  addr += <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a84dec606d57f40eed1cdc782f702f161">AUTOIP_RANGE_END</a> - <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a8b4506c8e0ab7631f49567f9b81779c6">AUTOIP_RANGE_START</a> + 1;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">if</span> (addr > <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a84dec606d57f40eed1cdc782f702f161">AUTOIP_RANGE_END</a>) {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  addr -= <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a84dec606d57f40eed1cdc782f702f161">AUTOIP_RANGE_END</a> - <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a8b4506c8e0ab7631f49567f9b81779c6">AUTOIP_RANGE_START</a> + 1;</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  }</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"AUTOIP address not in range"</span>, (addr >= <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a8b4506c8e0ab7631f49567f9b81779c6">AUTOIP_RANGE_START</a>) &&</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  (addr <= <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a84dec606d57f40eed1cdc782f702f161">AUTOIP_RANGE_END</a>));</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  ip4_addr_set_u32(ipaddr, <a class="code" href="../../d2/d6e/def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a>(addr));</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  (<span class="stringliteral">"autoip_create_addr(): tried_llipaddr=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">", %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)(autoip->tried_llipaddr), ip4_addr1_16(ipaddr), ip4_addr2_16(ipaddr),</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  ip4_addr3_16(ipaddr), ip4_addr4_16(ipaddr)));</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> autoip_arp_probe(<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>)</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span> {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="comment">/* this works because netif->ip_addr is ANY */</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keywordflow">return</span> etharp_request(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, &autoip->llipaddr);</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span> autoip_arp_announce(<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>)</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span> {</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> etharp_gratuitous(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="keyword">static</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span> autoip_bind(<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>)</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> {</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  ip4_addr_t sn_mask, gw_addr;</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  (<span class="stringliteral">"autoip_bind(netif=%p) %c%c%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  (<span class="keywordtype">void</span>*)<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#a32fca6ffd28bb9af3f891a378827a67e">name</a>[0], <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#a32fca6ffd28bb9af3f891a378827a67e">name</a>[1], (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)<a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#ab7ef01e505dd2feb781fe86756b1c973">num</a>,</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr),</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr)));</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  IP4_ADDR(&sn_mask, 255, 255, 0, 0);</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  IP4_ADDR(&gw_addr, 0, 0, 0, 0);</div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  </div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  netif_set_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, &autoip->llipaddr, &sn_mask, &gw_addr);</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">/* interface is used by routing now that an address is set */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  </div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span> }</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  </div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> autoip_start(<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>)</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span> {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> result = <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a>(<span class="stringliteral">"netif is not up, old style port?"</span>, <a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>), <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  </div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="comment">/* Set IP-Address, Netmask and Gateway to 0 to make sure that</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment"> * ARP Packets are formed correctly</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  netif_set_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, IP4_ADDR_ANY4, IP4_ADDR_ANY4, IP4_ADDR_ANY4);</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  </div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  (<span class="stringliteral">"autoip_start(netif=%p) %c%c%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, (<span class="keywordtype">void</span>*)<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#a32fca6ffd28bb9af3f891a378827a67e">name</a>[0],</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#a32fca6ffd28bb9af3f891a378827a67e">name</a>[1], (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)<a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#ab7ef01e505dd2feb781fe86756b1c973">num</a>));</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (autoip == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">/* no AutoIP client attached yet? */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  (<span class="stringliteral">"autoip_start(): starting new AUTOIP client\n"</span>));</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  autoip = (<span class="keyword">struct </span>autoip *)<a class="code" href="../../d9/d9a/mem_8h.html#a932aa40d85b14cb7331625e012d12335">mem_malloc</a>(<span class="keyword">sizeof</span>(<span class="keyword">struct</span> autoip));</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">if</span> (autoip == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  (<span class="stringliteral">"autoip_start(): could not allocate autoip\n"</span>));</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  }</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <a class="code" href="../../da/d66/string_8h.html#ace4b911463887af5e748326323e99a23">memset</a>(autoip, 0, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> autoip));</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="comment">/* store this AutoIP client in the netif */</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  netif_set_client_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_AUTOIP, autoip);</div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"autoip_start(): allocated autoip"</span>));</div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  autoip->state = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af">AUTOIP_STATE_OFF</a>;</div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  autoip->ttw = 0;</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  autoip->sent_num = 0;</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  ip4_addr_set_zero(&autoip->llipaddr);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  autoip->lastconflict = 0;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  autoip_create_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, &(autoip->llipaddr));</div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  autoip_start_probing(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  </div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> result;</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span> }</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  </div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span> autoip_start_probing(<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>)</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span> {</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  </div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  autoip->state = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca0926fae84a811e23d48115263b8744a3">AUTOIP_STATE_PROBING</a>;</div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  autoip->sent_num = 0;</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  (<span class="stringliteral">"autoip_start_probing(): changing state to PROBING: %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr),</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr)));</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">/* time to wait to first probe, this is randomly</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span> <span class="comment"> * chosen out of 0 to PROBE_WAIT seconds.</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span> <span class="comment"> * compliant to RFC 3927 Section 2.2.1</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  autoip->ttw = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)(LWIP_AUTOIP_RAND(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>) % (<a class="code" href="../../d6/dc0/prot_2autoip_8h.html#aecea6220ab7fcd0910262d5929eb5d95">PROBE_WAIT</a> * AUTOIP_TICKS_PER_SECOND));</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  </div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="comment"> * if we tried more then MAX_CONFLICTS we must limit our rate for</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span> <span class="comment"> * acquiring and probing address</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="comment"> * compliant to RFC 3927 Section 2.2.1</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">if</span> (autoip->tried_llipaddr > <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a14d30da6b838f3d718c0d92a9f3f3816">MAX_CONFLICTS</a>) {</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  autoip->ttw = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a420da51b5955d94c44d285638b3931bf">RATE_LIMIT_INTERVAL</a> * AUTOIP_TICKS_PER_SECOND;</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span> autoip_network_changed(<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>)</div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span> {</div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (autoip && (autoip->state != <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af">AUTOIP_STATE_OFF</a>)) {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  autoip_start_probing(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  }</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span> }</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  </div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> autoip_stop(<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>)</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span> {</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  </div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (autoip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  autoip->state = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af">AUTOIP_STATE_OFF</a>;</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="keywordflow">if</span> (ip4_addr_islinklocal(netif_ip4_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>))) {</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  netif_set_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, IP4_ADDR_ANY4, IP4_ADDR_ANY4, IP4_ADDR_ANY4);</div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  }</div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  }</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span> }</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  </div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> autoip_tmr(<span class="keywordtype">void</span>)</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span> {</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</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> = <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>;</div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">/* loop through netif's */</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="keywordflow">while</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="comment">/* only act on AutoIP configured interfaces */</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">if</span> (autoip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="keywordflow">if</span> (autoip->lastconflict > 0) {</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  autoip->lastconflict--;</div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  }</div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  </div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>,</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  (<span class="stringliteral">"autoip_tmr() AutoIP-State: %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">", ttw=%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)(autoip->state), autoip->ttw));</div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  </div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="keywordflow">if</span> (autoip->ttw > 0) {</div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  autoip->ttw--;</div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  }</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  </div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="keywordflow">switch</span>(autoip->state) {</div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">case</span> <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca0926fae84a811e23d48115263b8744a3">AUTOIP_STATE_PROBING</a>:</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="keywordflow">if</span> (autoip->ttw == 0) {</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="keywordflow">if</span> (autoip->sent_num >= <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a3a610440fbb8d2c6abb4aa9702f904ef">PROBE_NUM</a>) {</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="comment">/* Switch to ANNOUNCING: now we can bind to an IP address and use it */</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  autoip->state = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0cad35142124e3ef9875cb3a9b16209157b">AUTOIP_STATE_ANNOUNCING</a>;</div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  autoip_bind(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="comment">/* autoip_bind() calls netif_set_addr(): this triggers a gratuitous ARP</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment"> which counts as an announcement */</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  autoip->sent_num = 1;</div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  autoip->ttw = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a9b374b5e2e6da152f3a1556d09e6b3">ANNOUNCE_WAIT</a> * AUTOIP_TICKS_PER_SECOND;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  (<span class="stringliteral">"autoip_tmr(): changing state to ANNOUNCING: %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr),</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr)));</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  autoip_arp_probe(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"autoip_tmr() PROBING Sent Probe\n"</span>));</div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  autoip->sent_num++;</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="keywordflow">if</span> (autoip->sent_num == <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a3a610440fbb8d2c6abb4aa9702f904ef">PROBE_NUM</a>) {</div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">/* calculate time to wait to for announce */</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  autoip->ttw = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a9b374b5e2e6da152f3a1556d09e6b3">ANNOUNCE_WAIT</a> * AUTOIP_TICKS_PER_SECOND;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="comment">/* calculate time to wait to next probe */</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  autoip->ttw = (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)((LWIP_AUTOIP_RAND(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>) %</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  ((<a class="code" href="../../d6/dc0/prot_2autoip_8h.html#ad408cf94a71b848cff8108dc5c1558e6">PROBE_MAX</a> - <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a959b454f842224af595205645244f946">PROBE_MIN</a>) * AUTOIP_TICKS_PER_SECOND) ) +</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a959b454f842224af595205645244f946">PROBE_MIN</a> * AUTOIP_TICKS_PER_SECOND);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  }</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  }</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  }</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">case</span> <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0cad35142124e3ef9875cb3a9b16209157b">AUTOIP_STATE_ANNOUNCING</a>:</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="keywordflow">if</span> (autoip->ttw == 0) {</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  autoip_arp_announce(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"autoip_tmr() ANNOUNCING Sent Announce\n"</span>));</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  autoip->ttw = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a7ed8f0b9d3330a2967142e0e48b28521">ANNOUNCE_INTERVAL</a> * AUTOIP_TICKS_PER_SECOND;</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  autoip->sent_num++;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  </div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> (autoip->sent_num >= <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a29141f41d1391d34730b75539000f9ea">ANNOUNCE_NUM</a>) {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  autoip->state = <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0caa2c50906623e140882d3654c149cca45">AUTOIP_STATE_BOUND</a>;</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  autoip->sent_num = 0;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  autoip->ttw = 0;</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a>,</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  (<span class="stringliteral">"autoip_tmr(): changing state to BOUND: %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">".%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  ip4_addr1_16(&autoip->llipaddr), ip4_addr2_16(&autoip->llipaddr),</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  ip4_addr3_16(&autoip->llipaddr), ip4_addr4_16(&autoip->llipaddr)));</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  }</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  </div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">/* nothing to do in other states */</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  }</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">/* proceed to next network interface */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#ae77736b64df442242795220d76be6b86">next</a>;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span> }</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span> autoip_arp_reply(<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="../../d8/d42/structetharp__hdr.html">etharp_hdr</a> *hdr)</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span> {</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  </div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"autoip_arp_reply()\n"</span>));</div>
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="keywordflow">if</span> ((autoip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (autoip->state != <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af">AUTOIP_STATE_OFF</a>)) {</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="comment">/* when ip.src == llipaddr && hw.src != netif->hwaddr</span></div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span> <span class="comment"> * when probing ip.dst == llipaddr && hw.src != netif->hwaddr</span></div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="comment"> * we have a conflict and must solve it</span></div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  ip4_addr_t sipaddr, dipaddr;</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keyword">struct </span><a class="code" href="../../d2/dde/structeth__addr.html">eth_addr</a> netifaddr;</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <a class="code" href="../../df/d44/prot_2ethernet_8h.html#a10cbd9cd91e7e0ebed3a1159e385c037">ETHADDR16_COPY</a>(netifaddr.addr, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#aee967965d999fc1a4c40a66709304e69">hwaddr</a>);</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  </div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="comment">/* Copy struct ip4_addr2 to aligned ip4_addr, to support compilers without</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment"> * structure packing (not using structure copy which breaks strict-aliasing rules).</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  IPADDR2_COPY(&sipaddr, &hdr->sipaddr);</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  IPADDR2_COPY(&dipaddr, &hdr->dipaddr);</div>
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  </div>
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="keywordflow">if</span> (autoip->state == <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca0926fae84a811e23d48115263b8744a3">AUTOIP_STATE_PROBING</a>) {</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="comment">/* RFC 3927 Section 2.2.1:</span></div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment"> * from beginning to after ANNOUNCE_WAIT</span></div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"> * seconds we have a conflict if</span></div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="comment"> * ip.src == llipaddr OR</span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span> <span class="comment"> * ip.dst == llipaddr && hw.src != own hwaddr</span></div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">if</span> ((ip4_addr_cmp(&sipaddr, &autoip->llipaddr)) ||</div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  (ip4_addr_isany_val(sipaddr) &&</div>
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  ip4_addr_cmp(&dipaddr, &autoip->llipaddr) &&</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  !<a class="code" href="../../df/d44/prot_2ethernet_8h.html#aa19e3e4c174d49c6062f463dfa68bbbc">eth_addr_cmp</a>(&netifaddr, &hdr->shwaddr))) {</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>,</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  (<span class="stringliteral">"autoip_arp_reply(): Probe Conflict detected\n"</span>));</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  autoip_restart(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  }</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="comment">/* RFC 3927 Section 2.5:</span></div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment"> * in any state we have a conflict if</span></div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment"> * ip.src == llipaddr && hw.src != own hwaddr</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">if</span> (ip4_addr_cmp(&sipaddr, &autoip->llipaddr) &&</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  !<a class="code" href="../../df/d44/prot_2ethernet_8h.html#aa19e3e4c174d49c6062f463dfa68bbbc">eth_addr_cmp</a>(&netifaddr, &hdr->shwaddr)) {</div>
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>,</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  (<span class="stringliteral">"autoip_arp_reply(): Conflicting ARP-Packet detected\n"</span>));</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  autoip_handle_arp_conflict(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  }</div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  }</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  }</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span> }</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  </div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span> autoip_supplied_address(<span class="keyword">const</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>)</div>
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span> {</div>
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>) != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)) {</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">return</span> (autoip->state == <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0caa2c50906623e140882d3654c149cca45">AUTOIP_STATE_BOUND</a>) || (autoip->state == <a class="code" href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0cad35142124e3ef9875cb3a9b16209157b">AUTOIP_STATE_ANNOUNCING</a>);</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  }</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span> }</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  </div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span> autoip_accept_packet(<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> ip4_addr_t *addr)</div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> {</div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keyword">struct </span>autoip* autoip = netif_autoip_data(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="keywordflow">return</span> (autoip != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && ip4_addr_cmp(addr, &(autoip->llipaddr));</div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> }</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  </div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV4 && LWIP_AUTOIP */</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="../../dc/dba/opt_8h.html">opt.h</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_aecea6220ab7fcd0910262d5929eb5d95"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#aecea6220ab7fcd0910262d5929eb5d95">PROBE_WAIT</a></div><div class="ttdeci">#define PROBE_WAIT</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00055">autoip.h:55</a></div></div>
<div class="ttc" id="adebug_8h_html_a94ad086267808462beae2b38f91996ed"><div class="ttname"><a href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a></div><div class="ttdeci">#define LWIP_ASSERT(message, assertion)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00116">debug.h:116</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a3a610440fbb8d2c6abb4aa9702f904ef"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a3a610440fbb8d2c6abb4aa9702f904ef">PROBE_NUM</a></div><div class="ttdeci">#define PROBE_NUM</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00058">autoip.h:58</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a5c21e0d4d66eb7056ba4d515d36f0a20"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a5c21e0d4d66eb7056ba4d515d36f0a20">DEFEND_INTERVAL</a></div><div class="ttdeci">#define DEFEND_INTERVAL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00064">autoip.h:64</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a1a27a030b740b1577f95d5aeb54a1a0ca0926fae84a811e23d48115263b8744a3"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca0926fae84a811e23d48115263b8744a3">AUTOIP_STATE_PROBING</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00069">autoip.h:69</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a></div><div class="ttdeci">uint16_t u16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00124">arch.h:124</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="../../da/d66/string_8h.html">string.h</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a7ed8f0b9d3330a2967142e0e48b28521"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a7ed8f0b9d3330a2967142e0e48b28521">ANNOUNCE_INTERVAL</a></div><div class="ttdeci">#define ANNOUNCE_INTERVAL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00060">autoip.h:60</a></div></div>
<div class="ttc" id="astructetharp__hdr_html"><div class="ttname"><a href="../../d8/d42/structetharp__hdr.html">etharp_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dd/d71/prot_2etharp_8h_source.html#l00057">etharp.h:57</a></div></div>
<div class="ttc" id="aautoip_8h_html"><div class="ttname"><a href="../../d2/d5b/autoip_8h.html">autoip.h</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4c14294869aceba3ef9d4c0c302d0f33"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a></div><div class="ttdeci">uint32_t u32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00126">arch.h:126</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga988147559b78642ac881815b66023646"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a></div><div class="ttdeci">#define LWIP_DBG_TRACE</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00083">debug.h:83</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_ad408cf94a71b848cff8108dc5c1558e6"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#ad408cf94a71b848cff8108dc5c1558e6">PROBE_MAX</a></div><div class="ttdeci">#define PROBE_MAX</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00057">autoip.h:57</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00065">err.h:65</a></div></div>
<div class="ttc" id="astructnetif_html_aee967965d999fc1a4c40a66709304e69"><div class="ttname"><a href="../../d2/dd6/structnetif.html#aee967965d999fc1a4c40a66709304e69">netif::hwaddr</a></div><div class="ttdeci">u8_t hwaddr[6U]</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00311">netif.h:311</a></div></div>
<div class="ttc" id="anetif_8h_html"><div class="ttname"><a href="../../d9/d69/netif_8h.html">netif.h</a></div></div>
<div class="ttc" id="adebug_8h_html_a827bc03cd7889e7c007df39d33b33d18"><div class="ttname"><a href="../../db/d16/debug_8h.html#a827bc03cd7889e7c007df39d33b33d18">LWIP_ERROR</a></div><div class="ttdeci">#define LWIP_ERROR(message, expression, handler)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00135">debug.h:135</a></div></div>
<div class="ttc" id="astructnetif_html_ab7ef01e505dd2feb781fe86756b1c973"><div class="ttname"><a href="../../d2/dd6/structnetif.html#ab7ef01e505dd2feb781fe86756b1c973">netif::num</a></div><div class="ttdeci">u8_t num</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00317">netif.h:317</a></div></div>
<div class="ttc" id="adef_8h_html_a56098407d66feb75806f655bafbee81d"><div class="ttname"><a href="../../d4/da4/def_8h.html#a56098407d66feb75806f655bafbee81d">lwip_ntohl</a></div><div class="ttdeci">#define lwip_ntohl(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/da4/def_8h_source.html#l00078">def.h:78</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a959b454f842224af595205645244f946"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a959b454f842224af595205645244f946">PROBE_MIN</a></div><div class="ttdeci">#define PROBE_MIN</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00056">autoip.h:56</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a8b4506c8e0ab7631f49567f9b81779c6"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a8b4506c8e0ab7631f49567f9b81779c6">AUTOIP_RANGE_START</a></div><div class="ttdeci">#define AUTOIP_RANGE_START</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00050">autoip.h:50</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="../../de/d8c/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="../../d2/d2d/arch_8h_source.html#l00122">arch.h:122</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a84dec606d57f40eed1cdc782f702f161"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a84dec606d57f40eed1cdc782f702f161">AUTOIP_RANGE_END</a></div><div class="ttdeci">#define AUTOIP_RANGE_END</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00052">autoip.h:52</a></div></div>
<div class="ttc" id="astructnetif_html"><div class="ttname"><a href="../../d2/dd6/structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00233">netif.h:233</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a29141f41d1391d34730b75539000f9ea"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a29141f41d1391d34730b75539000f9ea">ANNOUNCE_NUM</a></div><div class="ttdeci">#define ANNOUNCE_NUM</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00059">autoip.h:59</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00096">err.h:96</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_aa19e3e4c174d49c6062f463dfa68bbbc"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#aa19e3e4c174d49c6062f463dfa68bbbc">eth_addr_cmp</a></div><div class="ttdeci">#define eth_addr_cmp(addr1, addr2)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00164">ethernet.h:164</a></div></div>
<div class="ttc" id="adef_8c_html_a14f94347a5b9b9e3602705b75b7ae524"><div class="ttname"><a href="../../d2/d6e/def_8c.html#a14f94347a5b9b9e3602705b75b7ae524">lwip_htonl</a></div><div class="ttdeci">u32_t lwip_htonl(u32_t n)</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d6e/def_8c_source.html#l00088">def.c:88</a></div></div>
<div class="ttc" id="astructnetif_html_a32fca6ffd28bb9af3f891a378827a67e"><div class="ttname"><a href="../../d2/dd6/structnetif.html#a32fca6ffd28bb9af3f891a378827a67e">netif::name</a></div><div class="ttdeci">char name[2]</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00315">netif.h:315</a></div></div>
<div class="ttc" id="astructnetif_html_ae77736b64df442242795220d76be6b86"><div class="ttname"><a href="../../d2/dd6/structnetif.html#ae77736b64df442242795220d76be6b86">netif::next</a></div><div class="ttdeci">struct netif * next</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00235">netif.h:235</a></div></div>
<div class="ttc" id="aprot_2ethernet_8h_html_a10cbd9cd91e7e0ebed3a1159e385c037"><div class="ttname"><a href="../../df/d44/prot_2ethernet_8h.html#a10cbd9cd91e7e0ebed3a1159e385c037">ETHADDR16_COPY</a></div><div class="ttdeci">#define ETHADDR16_COPY(dst, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00161">ethernet.h:161</a></div></div>
<div class="ttc" id="anetif_8h_html_a1c8141eaa98f6dc6dfddbb23a706656c"><div class="ttname"><a href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a></div><div class="ttdeci">struct netif * netif_list</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d02/netif_8c_source.html#l00104">netif.c:104</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gaa9d7f6eb2ee9fcc5eda3545dbb1886e0"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a></div><div class="ttdeci">#define U16_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00148">arch.h:148</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/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="../../d2/de7/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="../../d6/d40/err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="astructeth__addr_html"><div class="ttname"><a href="../../d2/dde/structeth__addr.html">eth_addr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/d44/prot_2ethernet_8h_source.html#l00058">ethernet.h:58</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0ca11fa34497b2b043e2a5e7a43323374af">AUTOIP_STATE_OFF</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00068">autoip.h:68</a></div></div>
<div class="ttc" id="amem_8h_html_a932aa40d85b14cb7331625e012d12335"><div class="ttname"><a href="../../d9/d9a/mem_8h.html#a932aa40d85b14cb7331625e012d12335">mem_malloc</a></div><div class="ttdeci">void * mem_malloc(mem_size_t size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/d8f/mem_8c_source.html#l00603">mem.c:603</a></div></div>
<div class="ttc" id="aetharp_8h_html"><div class="ttname"><a href="../../df/dbc/etharp_8h.html">etharp.h</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html">autoip.h</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga77c491e468bf7d9a1bc48430c1866a96"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a></div><div class="ttdeci">#define LWIP_DBG_LEVEL_WARNING</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00055">debug.h:55</a></div></div>
<div class="ttc" id="astring_8h_html_ace4b911463887af5e748326323e99a23"><div class="ttname"><a href="../../da/d66/string_8h.html#ace4b911463887af5e748326323e99a23">memset</a></div><div class="ttdeci">void * memset(void *dst, int c, size_t length)</div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a420da51b5955d94c44d285638b3931bf"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a420da51b5955d94c44d285638b3931bf">RATE_LIMIT_INTERVAL</a></div><div class="ttdeci">#define RATE_LIMIT_INTERVAL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00063">autoip.h:63</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a1a27a030b740b1577f95d5aeb54a1a0caa2c50906623e140882d3654c149cca45"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0caa2c50906623e140882d3654c149cca45">AUTOIP_STATE_BOUND</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00071">autoip.h:71</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a14d30da6b838f3d718c0d92a9f3f3816"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a14d30da6b838f3d718c0d92a9f3f3816">MAX_CONFLICTS</a></div><div class="ttdeci">#define MAX_CONFLICTS</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00062">autoip.h:62</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a1a9b374b5e2e6da152f3a1556d09e6b3"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a1a9b374b5e2e6da152f3a1556d09e6b3">ANNOUNCE_WAIT</a></div><div class="ttdeci">#define ANNOUNCE_WAIT</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00061">autoip.h:61</a></div></div>
<div class="ttc" id="amem_8h_html"><div class="ttname"><a href="../../d9/d9a/mem_8h.html">mem.h</a></div></div>
<div class="ttc" id="alwipopts_8h_html_afaee522e7f32d81022215e1805e303a5"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#afaee522e7f32d81022215e1805e303a5">AUTOIP_DEBUG</a></div><div class="ttdeci">#define AUTOIP_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00485">lwipopts.h:485</a></div></div>
<div class="ttc" id="adebug_8h_html_a63a04edf7ff63c951bd8706711956cdb"><div class="ttname"><a href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a></div><div class="ttdeci">#define LWIP_DEBUGF(debug, message)</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00164">debug.h:164</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga511ee3deb3240635f5ec6a1709c6d741"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga511ee3deb3240635f5ec6a1709c6d741">LWIP_DBG_STATE</a></div><div class="ttdeci">#define LWIP_DBG_STATE</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00085">debug.h:85</a></div></div>
<div class="ttc" id="aprot_2autoip_8h_html_a1a27a030b740b1577f95d5aeb54a1a0cad35142124e3ef9875cb3a9b16209157b"><div class="ttname"><a href="../../d6/dc0/prot_2autoip_8h.html#a1a27a030b740b1577f95d5aeb54a1a0cad35142124e3ef9875cb3a9b16209157b">AUTOIP_STATE_ANNOUNCING</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/dc0/prot_2autoip_8h_source.html#l00070">autoip.h:70</a></div></div>
<div class="ttc" id="aip__addr_8h_html"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html">ip_addr.h</a></div></div>
<div class="ttc" id="agroup__netif_html_ga94a4c24c988afc0a577387730f303b19"><div class="ttname"><a href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a></div><div class="ttdeci">#define netif_is_up(netif)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00409">netif.h:409</a></div></div>
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