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<div class="title">ip6.c</div> </div>
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<a href="../../d8/d46/ip6_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * Copyright (c) 2010 Inico Technologies Ltd.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 3. The name of the author may not be used to endorse or promote products</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> * Author: Ivan Delamer <delamer@inicotech.com></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"> * Please coordinate changes and requests with Ivan Delamer</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> * <delamer@inicotech.com></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "<a class="code" href="../../dc/dba/opt_8h.html">net/opt.h</a>"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="preprocessor">#if LWIP_IPV6 </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="l00045"></a><span class="lineno"> 45</span>  </div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="preprocessor">#include "<a class="code" href="../../d4/da4/def_8h.html">net/def.h</a>"</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</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="l00048"></a><span class="lineno"> 48</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="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="../../da/d2f/ip_8h.html">net/ip.h</a>"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor">#include "<a class="code" href="../../d0/dca/ip6_8h.html">net/ip6.h</a>"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#include "<a class="code" href="../../d3/d7d/ip6__addr_8h.html">net/ip6_addr.h</a>"</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d74/ip6__frag_8h.html">net/ip6_frag.h</a>"</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="../../db/da0/icmp6_8h.html">net/icmp6.h</a>"</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="../../d6/df4/raw_8h.html">net/raw.h</a>"</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="../../d2/da7/udp_8h.html">net/udp.h</a>"</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="../../da/d54/tcp__priv_8h.html">net/priv/tcp_priv.h</a>"</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "<a class="code" href="../../db/d87/dhcp6_8h.html">net/dhcp6.h</a>"</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d56/nd6_8h.html">net/nd6.h</a>"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="../../d0/d61/mld6_8h.html">net/mld6.h</a>"</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include "<a class="code" href="../../db/d16/debug_8h.html">net/debug.h</a>"</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include "<a class="code" href="../../d9/d9b/stats_8h.html">net/stats.h</a>"</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">#ifdef LWIP_HOOK_FILENAME</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor">#include LWIP_HOOK_FILENAME</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">struct </span><a class="code" href="../../d2/dd6/structnetif.html">netif</a> *</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span> ip6_route(<span class="keyword">const</span> ip6_addr_t *src, <span class="keyword">const</span> ip6_addr_t *dest)</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</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="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga9cd1d7891fe315de1201e2c6e45f4f57">s8_t</a> i;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="comment">/* If single netif configuration, fast return. */</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) && (<a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>-><a class="code" href="../../d2/dd6/structnetif.html#ae77736b64df442242795220d76be6b86">next</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)) {</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">if</span> (!<a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>) || !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>)) {</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  }</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  </div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="comment">/* Special processing for link-local addresses. */</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (ip6_addr_islinklocal(dest)) {</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">if</span> (ip6_addr_isany(src)) {</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">/* Use default netif, if Up. */</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> || !<a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>) ||</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>)) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  </div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">/* Try to find the netif for the source address, checking that link is up. */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">for</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> = <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>; <a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; <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="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">if</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>) || !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>)) {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  ip6_addr_cmp(src, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</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="l00119"></a><span class="lineno"> 119</span>  }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">/* netif not found, use default netif, if up */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> || !<a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>) ||</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>)) {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</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="keywordflow">return</span> <a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">/* we come here for non-link-local addresses */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="preprocessor">#ifdef LWIP_HOOK_IP6_ROUTE</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = LWIP_HOOK_IP6_ROUTE(src, dest);</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</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>) {</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  </div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="comment">/* See if the destination subnet matches a configured address. */</span></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">for</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> = <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>; <a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; <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="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</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>) || !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>)) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  ip6_addr_netcmp(dest, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  }</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  </div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="comment">/* Get the netif for a suitable router. */</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = nd6_find_route(dest);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</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>) && <a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>) && <a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<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">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="comment">/* try with the netif that matches the source address. */</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordflow">if</span> (!ip6_addr_isany(src)) {</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">for</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> = <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>; <a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; <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="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</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>) || !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>)) {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  ip6_addr_cmp(src, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</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>  </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="preprocessor">#if LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">/* loopif is disabled, loopback traffic is passed through any netif */</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">if</span> (ip6_addr_isloopback(dest)) {</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="comment">/* don't check for link on loopback traffic */</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && <a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>)) {</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="comment">/* default netif is not up, just use any netif for loopback traffic */</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">for</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> = <a class="code" href="../../d9/d69/netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>; <a class="code" href="../../d2/dd6/structnetif.html">netif</a> != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; <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="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</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>)) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</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">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETIF_LOOPBACK && !LWIP_HAVE_LOOPIF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="comment">/* no matching netif found, use default netif, if up */</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a> == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) || !<a class="code" href="../../d7/d3a/group__netif.html#ga94a4c24c988afc0a577387730f303b19">netif_is_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>) || !<a class="code" href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a>(<a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>)) {</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  }</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="keywordflow">return</span> <a class="code" href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a>;</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  </div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> ip6_select_source_address(<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> ip6_addr_t *dest)</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>  <span class="keyword">const</span> <a class="code" href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a> *src = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> i;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">/* If dest is link-local, choose a link-local source. */</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">if</span> (ip6_addr_islinklocal(dest) || ip6_addr_ismulticast_linklocal(dest) || ip6_addr_ismulticast_iflocal(dest)) {</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  ip6_addr_islinklocal(netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="keywordflow">return</span> netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  }</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="l00221"></a><span class="lineno"> 221</span>  </div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="comment">/* Choose a site-local with matching prefix. */</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="keywordflow">if</span> (ip6_addr_issitelocal(dest) || ip6_addr_ismulticast_sitelocal(dest)) {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  ip6_addr_issitelocal(netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  ip6_addr_netcmp(dest, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keywordflow">return</span> netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  }</div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  }</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>  </div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="comment">/* Choose a unique-local with matching prefix. */</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">if</span> (ip6_addr_isuniquelocal(dest) || ip6_addr_ismulticast_orglocal(dest)) {</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  ip6_addr_isuniquelocal(netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  ip6_addr_netcmp(dest, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</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>  }</div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</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="comment">/* Choose a global with best matching prefix. */</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <span class="keywordflow">if</span> (ip6_addr_isglobal(dest) || ip6_addr_ismulticast_global(dest)) {</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  ip6_addr_isglobal(netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> (src == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  src = netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  }</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  <span class="comment">/* Replace src only if we find a prefix match. */</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  <span class="comment">/* @todo find longest matching prefix. */</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> ((!(ip6_addr_netcmp(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(src), dest))) &&</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  ip6_addr_netcmp(netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i), dest)) {</div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  src = netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</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>  }</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>  }</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="keywordflow">if</span> (src != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  <span class="keywordflow">return</span> src;</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  }</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>  </div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="comment">/* Last resort: see if arbitrary prefix matches. */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  ip6_addr_netcmp(dest, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="keywordflow">return</span> netif_ip_addr6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  }</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  }</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  </div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">return</span> <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }</div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  </div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="preprocessor">#if LWIP_IPV6_FORWARD</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span> ip6_forward(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *iphdr, <span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *inp)</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>  <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="l00292"></a><span class="lineno"> 292</span>  </div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="comment">/* do not forward link-local or loopback addresses */</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">if</span> (ip6_addr_islinklocal(ip6_current_dest_addr()) ||</div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  ip6_addr_isloopback(ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_forward: not forwarding link-local address.\n"</span>));</div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  }</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>  <span class="comment">/* Find network interface where to forward this IP packet to. */</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = ip6_route(IP6_ADDR_ANY6, ip6_current_dest_addr());</div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</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>) {</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_forward: no route for %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  IP6_ADDR_BLOCK1(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  IP6_ADDR_BLOCK2(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  IP6_ADDR_BLOCK3(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  IP6_ADDR_BLOCK4(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  IP6_ADDR_BLOCK5(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  IP6_ADDR_BLOCK6(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  IP6_ADDR_BLOCK7(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  IP6_ADDR_BLOCK8(ip6_current_dest_addr())));</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span> <span class="preprocessor">#if LWIP_ICMP6</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="comment">/* Don't send ICMP messages in response to ICMP messages */</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(iphdr) != <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>) {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  icmp6_dest_unreach(p, <a class="code" href="../../d8/d5d/prot_2icmp6_8h.html#a11fe21b0a8c1bc73ee887a96bf416ccfa695bb4d92f32b504a9483ff137235a78">ICMP6_DUR_NO_ROUTE</a>);</div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  }</div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ICMP6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="keywordflow">return</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>  <span class="comment">/* Do not forward packets onto the same network interface on which</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment"> * they arrived. */</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> == inp) {</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_forward: not bouncing packets back on incoming interface.\n"</span>));</div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  }</div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  </div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="comment">/* decrement HL */</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#aaa72852834526961a3fb2cbc07fe602d">IP6H_HOPLIM_SET</a>(iphdr, <a class="code" href="../../de/d63/prot_2ip6_8h.html#a4f8209d53443b50770e57426d027de28">IP6H_HOPLIM</a>(iphdr) - 1);</div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="comment">/* send ICMP6 if HL == 0 */</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a4f8209d53443b50770e57426d027de28">IP6H_HOPLIM</a>(iphdr) == 0) {</div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#if LWIP_ICMP6</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="comment">/* Don't send ICMP messages in response to ICMP messages */</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(iphdr) != <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>) {</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  icmp6_time_exceeded(p, <a class="code" href="../../d8/d5d/prot_2icmp6_8h.html#ad06bbf4ee72635ece968db41cbe6869eacccbb5e776df1b35af4149e593240880">ICMP6_TE_HL</a>);</div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  }</div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ICMP6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  }</div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  </div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#aca7d56b4e0f822b0ced2885f222b8d48">mtu</a> && (p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a> > <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#aca7d56b4e0f822b0ced2885f222b8d48">mtu</a>)) {</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="preprocessor">#if LWIP_ICMP6</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="comment">/* Don't send ICMP messages in response to ICMP messages */</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(iphdr) != <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>) {</div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  icmp6_packet_too_big(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#aca7d56b4e0f822b0ced2885f222b8d48">mtu</a>);</div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  }</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ICMP6 */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="keywordflow">return</span>;</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>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_forward: forwarding packet to %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  IP6_ADDR_BLOCK1(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  IP6_ADDR_BLOCK2(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  IP6_ADDR_BLOCK3(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  IP6_ADDR_BLOCK4(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  IP6_ADDR_BLOCK5(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  IP6_ADDR_BLOCK6(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  IP6_ADDR_BLOCK7(ip6_current_dest_addr()),</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  IP6_ADDR_BLOCK8(ip6_current_dest_addr())));</div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  </div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="comment">/* transmit pbuf on chosen interface */</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a>->output_ip6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p, ip6_current_dest_addr());</div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.fw);</div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.xmit);</div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span> }</div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_FORWARD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  </div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span> ip6_input(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a> *inp)</div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span> {</div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *ip6hdr;</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</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="l00395"></a><span class="lineno"> 395</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> hlen; <span class="comment">/* the current header length */</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> i;</div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="preprocessor">#if 0 </span><span class="comment">/*IP_ACCEPT_LINK_LAYER_ADDRESSING*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  @todo</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="keywordtype">int</span> check_ip_src=1;</div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="preprocessor">#endif </span><span class="comment">/* IP_ACCEPT_LINK_LAYER_ADDRESSING */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  </div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.recv);</div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  </div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="comment">/* identify the IP header */</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  if (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a90f24cf50dee93e0729a1fc1d05374e3">IP6H_V</a>(ip6hdr) != 6) {</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga77c491e468bf7d9a1bc48430c1866a96">LWIP_DBG_LEVEL_WARNING</a>, (<span class="stringliteral">"IPv6 packet dropped due to bad version number %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a90f24cf50dee93e0729a1fc1d05374e3">IP6H_V</a>(ip6hdr)));</div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.err);</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</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="l00414"></a><span class="lineno"> 414</span>  }</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  </div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span> <span class="preprocessor">#ifdef LWIP_HOOK_IP6_INPUT</span></div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (LWIP_HOOK_IP6_INPUT(p, inp)) {</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">/* the packet has been eaten */</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</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="l00420"></a><span class="lineno"> 420</span>  }</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  </div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="comment">/* header length exceeds first pbuf length, or ip length exceeds total pbuf length? */</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a> > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) || ((<a class="code" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a>(ip6hdr) + <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>) > p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>)) {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="keywordflow">if</span> (<a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a> > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) {</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  (<span class="stringliteral">"IPv6 header (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") does not fit in first pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IP packet dropped.\n"</span>,</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)<a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  }</div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> ((<a class="code" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a>(ip6hdr) + <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>) > p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>) {</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  (<span class="stringliteral">"IPv6 (plen %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") is longer than pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IP packet dropped.\n"</span>,</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)(<a class="code" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a>(ip6hdr) + <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>), p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>));</div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  }</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.lenerr);</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</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="l00440"></a><span class="lineno"> 440</span>  }</div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  </div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="comment">/* Trim pbuf. This should have been done at the netif layer,</span></div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span> <span class="comment"> * but we'll do it anyway just to be sure that its done. */</span></div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <a class="code" href="../../d7/d05/group__pbuf.html#ga50abfe830a33a1a47a562febee66015d">pbuf_realloc</a>(p, <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a> + <a class="code" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a>(ip6hdr));</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  </div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="comment">/* copy IP addresses to aligned ip6_addr_t */</span></div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#abe6f7908ce8a91dc587e2ebc2172e651">ip_addr_copy_from_ip6</a>(<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a0b4e54250c692c638408de54593d2aa1">current_iphdr_dest</a>, ip6hdr->dest);</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <a class="code" href="../../de/df7/ip__addr_8h.html#abe6f7908ce8a91dc587e2ebc2172e651">ip_addr_copy_from_ip6</a>(<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a04d85a3dc2c417050b3e088fa58a74b0">current_iphdr_src</a>, ip6hdr->src);</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="comment">/* Don't accept virtual IPv4 mapped IPv6 addresses.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment"> * Don't accept multicast source addresses. */</span></div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keywordflow">if</span> (ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a0b4e54250c692c638408de54593d2aa1">current_iphdr_dest</a>)) ||</div>
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  ip6_addr_isipv4mappedipv6(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a04d85a3dc2c417050b3e088fa58a74b0">current_iphdr_src</a>)) ||</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  ip6_addr_ismulticast(<a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(&<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a04d85a3dc2c417050b3e088fa58a74b0">current_iphdr_src</a>))) {</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.err);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</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="l00458"></a><span class="lineno"> 458</span>  }</div>
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  </div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="comment">/* current header pointer. */</span></div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.current_ip6_header = ip6hdr;</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  </div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="comment">/* In netif, used in case we need to send ICMPv6 packets back. */</span></div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a7803dc5950d143e4433a0df689989bab">current_netif</a> = inp;</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a7da899c663b1d560b61d92ba6d544701">current_input_netif</a> = inp;</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  </div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="comment">/* match packet against an interface, i.e. is this packet for us? */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="keywordflow">if</span> (ip6_addr_ismulticast(ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="comment">/* Always joined to multicast if-local and link-local all-nodes group. */</span></div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keywordflow">if</span> (ip6_addr_isallnodes_iflocal(ip6_current_dest_addr()) ||</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  ip6_addr_isallnodes_linklocal(ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = inp;</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="preprocessor">#if LWIP_IPV6_MLD</span></div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (mld6_lookfor_group(inp, ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = inp;</div>
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  }</div>
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV6_MLD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (ip6_addr_issolicitednode(ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="comment">/* Filter solicited node packets when MLD is not enabled</span></div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span> <span class="comment"> * (for Neighbor discovery). */</span></div>
<div class="line"><a name="l00482"></a><span class="lineno"> 482</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="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(inp, i)) &&</div>
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  ip6_addr_cmp_solicitednode(ip6_current_dest_addr(), netif_ip6_addr(inp, i))) {</div>
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = inp;</div>
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: solicited node packet accepted on interface %c%c\n"</span>,</div>
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <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]));</div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  }</div>
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div>
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  }</div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_MLD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</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="l00496"></a><span class="lineno"> 496</span>  }</div>
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="comment">/* start trying with inp. if that's not acceptable, start walking the</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span> <span class="comment"> list of configured netifs.</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="comment"> 'first' is used as a boolean to mark whether we started walking the list */</span></div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordtype">int</span> first = 1;</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = inp;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">/* interface is up? */</span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="keywordflow">if</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>)) {</div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">/* unicast to this interface address? address configured? */</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  ip6_addr_cmp(ip6_current_dest_addr(), netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="comment">/* exit outer loop */</span></div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">goto</span> netif_found;</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>  }</div>
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  }</div>
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> (first) {</div>
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="keywordflow">if</span> (ip6_addr_islinklocal(ip6_current_dest_addr())</div>
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span> #<span class="keywordflow">if</span> !<a class="code" href="../../d2/d78/lwipopts_8h.html#a724a0ea765d5a47d026d529725f31c01">LWIP_NETIF_LOOPBACK</a> || <a class="code" href="../../d2/d78/lwipopts_8h.html#aa2b1f736373cd896e212644aa453fbaf">LWIP_HAVE_LOOPIF</a></div>
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  || ip6_addr_isloopback(ip6_current_dest_addr())</div>
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span> #endif <span class="comment">/* !LWIP_NETIF_LOOPBACK || LWIP_HAVE_LOOPIF */</span></div>
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  ) {</div>
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="comment">/* Do not match link-local addresses to other netifs. The loopback</span></div>
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="comment"> * address is to be considered link-local and packets to it should be</span></div>
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span> <span class="comment"> * dropped on other interfaces, as per RFC 4291 Sec. 2.5.3. This</span></div>
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="comment"> * requirement cannot be implemented in the case that loopback</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> <span class="comment"> * traffic is sent across a non-loopback interface, however.</span></div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</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="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  }</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  first = 0;</div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <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="l00532"></a><span class="lineno"> 532</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</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="l00534"></a><span class="lineno"> 534</span>  }</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a> == inp) {</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</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="l00537"></a><span class="lineno"> 537</span>  }</div>
<div class="line"><a name="l00538"></a><span class="lineno"> 538</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="l00539"></a><span class="lineno"> 539</span> netif_found:</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet accepted on interface %c%c\n"</span>,</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</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] : <span class="charliteral">'X'</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>[1] : <span class="charliteral">'X'</span>));</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  }</div>
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  </div>
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  <span class="comment">/* "::" packet source address? (used in duplicate address detection) */</span></div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="keywordflow">if</span> (ip6_addr_isany(ip6_current_src_addr()) &&</div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  (!ip6_addr_issolicitednode(ip6_current_dest_addr()))) {</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="comment">/* packet source is not valid */</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with src ANY_ADDRESS dropped\n"</span>));</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  }</div>
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  </div>
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  <span class="comment">/* packet not for us? */</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</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>) {</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  <span class="comment">/* packet not for us, route or discard */</span></div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga988147559b78642ac881815b66023646">LWIP_DBG_TRACE</a>, (<span class="stringliteral">"ip6_input: packet not for us.\n"</span>));</div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span> <span class="preprocessor">#if LWIP_IPV6_FORWARD</span></div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="comment">/* non-multicast packet? */</span></div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="keywordflow">if</span> (!ip6_addr_ismulticast(ip6_current_dest_addr())) {</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="comment">/* try to forward IP packet on (other) interfaces */</span></div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  ip6_forward(p, ip6hdr, inp);</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  }</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_FORWARD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  }</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  </div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="comment">/* current netif pointer. */</span></div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a7803dc5950d143e4433a0df689989bab">current_netif</a> = <a class="code" href="../../d2/dd6/structnetif.html">netif</a>;</div>
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  </div>
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  <span class="comment">/* Save next header type. */</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  nexth = <a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(ip6hdr);</div>
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  </div>
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">/* Init header length. */</span></div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  hlen = <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> = <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>;</div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  </div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  <span class="comment">/* Move to payload. */</span></div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -<a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>);</div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  </div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <span class="comment">/* Process known option extension headers, if present. */</span></div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">while</span> (nexth != <a class="code" href="../../de/d63/prot_2ip6_8h.html#a654fbd4bb77707859b16f6935f2ba4c7">IP6_NEXTH_NONE</a>)</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  {</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <span class="keywordflow">switch</span> (nexth) {</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a27db49d05c2230c085c04e766267ed38">IP6_NEXTH_HOPBYHOP</a>:</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with Hop-by-Hop options header\n"</span>));</div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  <span class="comment">/* Get next header type. */</span></div>
<div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  nexth = *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>);</div>
<div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  </div>
<div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="comment">/* Get the header length. */</span></div>
<div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  hlen = 8 * (1 + *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a> + 1));</div>
<div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> += hlen;</div>
<div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  </div>
<div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="comment">/* Skip over this header. */</span></div>
<div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  <span class="keywordflow">if</span> (hlen > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) {</div>
<div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  (<span class="stringliteral">"IPv6 options header (hlen %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") does not fit in first pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IPv6 packet dropped.\n"</span>,</div>
<div class="line"><a name="l00599"></a><span class="lineno"> 599</span>  hlen, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.lenerr);</div>
<div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  }</div>
<div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  </div>
<div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)hlen);</div>
<div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#af01cb063f723d79e1c34a8e95a93a2c0">IP6_NEXTH_DESTOPTS</a>:</div>
<div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with Destination options header\n"</span>));</div>
<div class="line"><a name="l00611"></a><span class="lineno"> 611</span>  <span class="comment">/* Get next header type. */</span></div>
<div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  nexth = *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>);</div>
<div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  </div>
<div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  <span class="comment">/* Get the header length. */</span></div>
<div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  hlen = 8 * (1 + *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a> + 1));</div>
<div class="line"><a name="l00616"></a><span class="lineno"> 616</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> += hlen;</div>
<div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  </div>
<div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  <span class="comment">/* Skip over this header. */</span></div>
<div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">if</span> (hlen > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) {</div>
<div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  (<span class="stringliteral">"IPv6 options header (hlen %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") does not fit in first pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IPv6 packet dropped.\n"</span>,</div>
<div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  hlen, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.lenerr);</div>
<div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  }</div>
<div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  </div>
<div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)hlen);</div>
<div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a4d9e6542b73b17c81b56808e1ffd5b27">IP6_NEXTH_ROUTING</a>:</div>
<div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with Routing header\n"</span>));</div>
<div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="comment">/* Get next header type. */</span></div>
<div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  nexth = *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>);</div>
<div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  </div>
<div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  <span class="comment">/* Get the header length. */</span></div>
<div class="line"><a name="l00638"></a><span class="lineno"> 638</span>  hlen = 8 * (1 + *((<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a> + 1));</div>
<div class="line"><a name="l00639"></a><span class="lineno"> 639</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> += hlen;</div>
<div class="line"><a name="l00640"></a><span class="lineno"> 640</span>  </div>
<div class="line"><a name="l00641"></a><span class="lineno"> 641</span>  <span class="comment">/* Skip over this header. */</span></div>
<div class="line"><a name="l00642"></a><span class="lineno"> 642</span>  <span class="keywordflow">if</span> (hlen > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) {</div>
<div class="line"><a name="l00643"></a><span class="lineno"> 643</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00644"></a><span class="lineno"> 644</span>  (<span class="stringliteral">"IPv6 options header (hlen %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") does not fit in first pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IPv6 packet dropped.\n"</span>,</div>
<div class="line"><a name="l00645"></a><span class="lineno"> 645</span>  hlen, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00646"></a><span class="lineno"> 646</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00647"></a><span class="lineno"> 647</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00648"></a><span class="lineno"> 648</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.lenerr);</div>
<div class="line"><a name="l00649"></a><span class="lineno"> 649</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00650"></a><span class="lineno"> 650</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00651"></a><span class="lineno"> 651</span>  }</div>
<div class="line"><a name="l00652"></a><span class="lineno"> 652</span>  </div>
<div class="line"><a name="l00653"></a><span class="lineno"> 653</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)hlen);</div>
<div class="line"><a name="l00654"></a><span class="lineno"> 654</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00655"></a><span class="lineno"> 655</span>  </div>
<div class="line"><a name="l00656"></a><span class="lineno"> 656</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a1a72bdc1494ea84cbf16424e9aedcd79">IP6_NEXTH_FRAGMENT</a>:</div>
<div class="line"><a name="l00657"></a><span class="lineno"> 657</span>  {</div>
<div class="line"><a name="l00658"></a><span class="lineno"> 658</span>  <span class="keyword">struct </span><a class="code" href="../../db/d44/structip6__frag__hdr.html">ip6_frag_hdr</a> *frag_hdr;</div>
<div class="line"><a name="l00659"></a><span class="lineno"> 659</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with Fragment header\n"</span>));</div>
<div class="line"><a name="l00660"></a><span class="lineno"> 660</span>  </div>
<div class="line"><a name="l00661"></a><span class="lineno"> 661</span>  frag_hdr = (<span class="keyword">struct </span><a class="code" href="../../db/d44/structip6__frag__hdr.html">ip6_frag_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00662"></a><span class="lineno"> 662</span>  </div>
<div class="line"><a name="l00663"></a><span class="lineno"> 663</span>  <span class="comment">/* Get next header type. */</span></div>
<div class="line"><a name="l00664"></a><span class="lineno"> 664</span>  nexth = frag_hdr->_nexth;</div>
<div class="line"><a name="l00665"></a><span class="lineno"> 665</span>  </div>
<div class="line"><a name="l00666"></a><span class="lineno"> 666</span>  <span class="comment">/* Fragment Header length. */</span></div>
<div class="line"><a name="l00667"></a><span class="lineno"> 667</span>  hlen = 8;</div>
<div class="line"><a name="l00668"></a><span class="lineno"> 668</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> += hlen;</div>
<div class="line"><a name="l00669"></a><span class="lineno"> 669</span>  </div>
<div class="line"><a name="l00670"></a><span class="lineno"> 670</span>  <span class="comment">/* Make sure this header fits in current pbuf. */</span></div>
<div class="line"><a name="l00671"></a><span class="lineno"> 671</span>  if (hlen > p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>) {</div>
<div class="line"><a name="l00672"></a><span class="lineno"> 672</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>,</div>
<div class="line"><a name="l00673"></a><span class="lineno"> 673</span>  (<span class="stringliteral">"IPv6 options header (hlen %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">") does not fit in first pbuf (len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"), IPv6 packet dropped.\n"</span>,</div>
<div class="line"><a name="l00674"></a><span class="lineno"> 674</span>  hlen, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>));</div>
<div class="line"><a name="l00675"></a><span class="lineno"> 675</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00676"></a><span class="lineno"> 676</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00677"></a><span class="lineno"> 677</span>  <a class="code" href="../../d9/d9b/stats_8h.html#ac74aa05083bf4034fe2cc1efd5fde36c">IP6_FRAG_STATS_INC</a>(ip6_frag.lenerr);</div>
<div class="line"><a name="l00678"></a><span class="lineno"> 678</span>  <a class="code" href="../../d9/d9b/stats_8h.html#ac74aa05083bf4034fe2cc1efd5fde36c">IP6_FRAG_STATS_INC</a>(ip6_frag.drop);</div>
<div class="line"><a name="l00679"></a><span class="lineno"> 679</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00680"></a><span class="lineno"> 680</span>  }</div>
<div class="line"><a name="l00681"></a><span class="lineno"> 681</span>  </div>
<div class="line"><a name="l00682"></a><span class="lineno"> 682</span>  <span class="comment">/* Offset == 0 and more_fragments == 0? */</span></div>
<div class="line"><a name="l00683"></a><span class="lineno"> 683</span>  <span class="keywordflow">if</span> ((frag_hdr->_fragment_offset &</div>
<div class="line"><a name="l00684"></a><span class="lineno"> 684</span>  <a class="code" href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a>(<a class="code" href="../../de/d63/prot_2ip6_8h.html#a4ada75ee94d08af1a0d2656e6d14d7d9">IP6_FRAG_OFFSET_MASK</a> | <a class="code" href="../../de/d63/prot_2ip6_8h.html#a4e60dc945c0061d3d4dc4a84132a506b">IP6_FRAG_MORE_FLAG</a>)) == 0) {</div>
<div class="line"><a name="l00685"></a><span class="lineno"> 685</span>  <span class="comment">/* This is a 1-fragment packet, usually a packet that we have</span></div>
<div class="line"><a name="l00686"></a><span class="lineno"> 686</span> <span class="comment"> * already reassembled. Skip this header anc continue. */</span></div>
<div class="line"><a name="l00687"></a><span class="lineno"> 687</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)hlen);</div>
<div class="line"><a name="l00688"></a><span class="lineno"> 688</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00689"></a><span class="lineno"> 689</span> <span class="preprocessor">#if LWIP_IPV6_REASS</span></div>
<div class="line"><a name="l00690"></a><span class="lineno"> 690</span>  </div>
<div class="line"><a name="l00691"></a><span class="lineno"> 691</span>  <span class="comment">/* reassemble the packet */</span></div>
<div class="line"><a name="l00692"></a><span class="lineno"> 692</span>  p = ip6_reass(p);</div>
<div class="line"><a name="l00693"></a><span class="lineno"> 693</span>  <span class="comment">/* packet not fully reassembled yet? */</span></div>
<div class="line"><a name="l00694"></a><span class="lineno"> 694</span>  <span class="keywordflow">if</span> (p == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00695"></a><span class="lineno"> 695</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00696"></a><span class="lineno"> 696</span>  }</div>
<div class="line"><a name="l00697"></a><span class="lineno"> 697</span>  </div>
<div class="line"><a name="l00698"></a><span class="lineno"> 698</span>  <span class="comment">/* Returned p point to IPv6 header.</span></div>
<div class="line"><a name="l00699"></a><span class="lineno"> 699</span> <span class="comment"> * Update all our variables and pointers and continue. */</span></div>
<div class="line"><a name="l00700"></a><span class="lineno"> 700</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00701"></a><span class="lineno"> 701</span>  nexth = <a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(ip6hdr);</div>
<div class="line"><a name="l00702"></a><span class="lineno"> 702</span>  hlen = <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> = <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>;</div>
<div class="line"><a name="l00703"></a><span class="lineno"> 703</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -<a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>);</div>
<div class="line"><a name="l00704"></a><span class="lineno"> 704</span>  </div>
<div class="line"><a name="l00705"></a><span class="lineno"> 705</span> <span class="preprocessor">#else </span><span class="comment">/* LWIP_IPV6_REASS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00706"></a><span class="lineno"> 706</span>  <span class="comment">/* free (drop) packet pbufs */</span></div>
<div class="line"><a name="l00707"></a><span class="lineno"> 707</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: packet with Fragment header dropped (with LWIP_IPV6_REASS==0)\n"</span>));</div>
<div class="line"><a name="l00708"></a><span class="lineno"> 708</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00709"></a><span class="lineno"> 709</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.opterr);</div>
<div class="line"><a name="l00710"></a><span class="lineno"> 710</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00711"></a><span class="lineno"> 711</span>  <span class="keywordflow">goto</span> ip6_input_cleanup;</div>
<div class="line"><a name="l00712"></a><span class="lineno"> 712</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_REASS */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00713"></a><span class="lineno"> 713</span>  }</div>
<div class="line"><a name="l00714"></a><span class="lineno"> 714</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00715"></a><span class="lineno"> 715</span>  }</div>
<div class="line"><a name="l00716"></a><span class="lineno"> 716</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00717"></a><span class="lineno"> 717</span>  <span class="keywordflow">goto</span> options_done;</div>
<div class="line"><a name="l00718"></a><span class="lineno"> 718</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00719"></a><span class="lineno"> 719</span>  }</div>
<div class="line"><a name="l00720"></a><span class="lineno"> 720</span>  }</div>
<div class="line"><a name="l00721"></a><span class="lineno"> 721</span> options_done:</div>
<div class="line"><a name="l00722"></a><span class="lineno"> 722</span>  </div>
<div class="line"><a name="l00723"></a><span class="lineno"> 723</span>  <span class="comment">/* p points to IPv6 header again. */</span></div>
<div class="line"><a name="l00724"></a><span class="lineno"> 724</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#a27480c41c34021d4417691d327163626">pbuf_header_force</a>(p, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a>);</div>
<div class="line"><a name="l00725"></a><span class="lineno"> 725</span>  </div>
<div class="line"><a name="l00726"></a><span class="lineno"> 726</span>  <span class="comment">/* send to upper layers */</span></div>
<div class="line"><a name="l00727"></a><span class="lineno"> 727</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: \n"</span>));</div>
<div class="line"><a name="l00728"></a><span class="lineno"> 728</span>  ip6_debug_print(p);</div>
<div class="line"><a name="l00729"></a><span class="lineno"> 729</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_input: p->len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" p->tot_len %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>, p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a>));</div>
<div class="line"><a name="l00730"></a><span class="lineno"> 730</span>  </div>
<div class="line"><a name="l00731"></a><span class="lineno"> 731</span> <span class="preprocessor">#if LWIP_RAW</span></div>
<div class="line"><a name="l00732"></a><span class="lineno"> 732</span>  <span class="comment">/* raw input did not eat the packet? */</span></div>
<div class="line"><a name="l00733"></a><span class="lineno"> 733</span>  <span class="keywordflow">if</span> (raw_input(p, inp) == 0)</div>
<div class="line"><a name="l00734"></a><span class="lineno"> 734</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAW */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00735"></a><span class="lineno"> 735</span>  {</div>
<div class="line"><a name="l00736"></a><span class="lineno"> 736</span>  <span class="keywordflow">switch</span> (nexth) {</div>
<div class="line"><a name="l00737"></a><span class="lineno"> 737</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a654fbd4bb77707859b16f6935f2ba4c7">IP6_NEXTH_NONE</a>:</div>
<div class="line"><a name="l00738"></a><span class="lineno"> 738</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00739"></a><span class="lineno"> 739</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00740"></a><span class="lineno"> 740</span> <span class="preprocessor">#if LWIP_UDP</span></div>
<div class="line"><a name="l00741"></a><span class="lineno"> 741</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a0159bb5b3af8ea1e203d543c0f3c17c2">IP6_NEXTH_UDP</a>:</div>
<div class="line"><a name="l00742"></a><span class="lineno"> 742</span> <span class="preprocessor">#if LWIP_UDPLITE</span></div>
<div class="line"><a name="l00743"></a><span class="lineno"> 743</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a6e4afde135c71a3b194b68add3d9138c">IP6_NEXTH_UDPLITE</a>:</div>
<div class="line"><a name="l00744"></a><span class="lineno"> 744</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDPLITE */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00745"></a><span class="lineno"> 745</span>  <span class="comment">/* Point to payload. */</span></div>
<div class="line"><a name="l00746"></a><span class="lineno"> 746</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a>);</div>
<div class="line"><a name="l00747"></a><span class="lineno"> 747</span>  udp_input(p, inp);</div>
<div class="line"><a name="l00748"></a><span class="lineno"> 748</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00749"></a><span class="lineno"> 749</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_UDP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00750"></a><span class="lineno"> 750</span> <span class="preprocessor">#if LWIP_TCP</span></div>
<div class="line"><a name="l00751"></a><span class="lineno"> 751</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a748b24c4f1ae5bbeecaa34e066cb3f8c">IP6_NEXTH_TCP</a>:</div>
<div class="line"><a name="l00752"></a><span class="lineno"> 752</span>  <span class="comment">/* Point to payload. */</span></div>
<div class="line"><a name="l00753"></a><span class="lineno"> 753</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a>);</div>
<div class="line"><a name="l00754"></a><span class="lineno"> 754</span>  tcp_input(p, inp);</div>
<div class="line"><a name="l00755"></a><span class="lineno"> 755</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00756"></a><span class="lineno"> 756</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_TCP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00757"></a><span class="lineno"> 757</span> <span class="preprocessor">#if LWIP_ICMP6</span></div>
<div class="line"><a name="l00758"></a><span class="lineno"> 758</span>  <span class="keywordflow">case</span> <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>:</div>
<div class="line"><a name="l00759"></a><span class="lineno"> 759</span>  <span class="comment">/* Point to payload. */</span></div>
<div class="line"><a name="l00760"></a><span class="lineno"> 760</span>  <a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a>)<a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a>);</div>
<div class="line"><a name="l00761"></a><span class="lineno"> 761</span>  icmp6_input(p, inp);</div>
<div class="line"><a name="l00762"></a><span class="lineno"> 762</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00763"></a><span class="lineno"> 763</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ICMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00764"></a><span class="lineno"> 764</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00765"></a><span class="lineno"> 765</span> <span class="preprocessor">#if LWIP_ICMP6</span></div>
<div class="line"><a name="l00766"></a><span class="lineno"> 766</span>  <span class="comment">/* send ICMP parameter problem unless it was a multicast or ICMPv6 */</span></div>
<div class="line"><a name="l00767"></a><span class="lineno"> 767</span>  <span class="keywordflow">if</span> ((!ip6_addr_ismulticast(ip6_current_dest_addr())) &&</div>
<div class="line"><a name="l00768"></a><span class="lineno"> 768</span>  (<a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(ip6hdr) != <a class="code" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>)) {</div>
<div class="line"><a name="l00769"></a><span class="lineno"> 769</span>  icmp6_param_problem(p, <a class="code" href="../../d8/d5d/prot_2icmp6_8h.html#a3a817e777ebcfd705e8e5a1b4c5ae023acbcc58901e2345ffc31df4098de60ff8">ICMP6_PP_HEADER</a>, <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> - hlen);</div>
<div class="line"><a name="l00770"></a><span class="lineno"> 770</span>  }</div>
<div class="line"><a name="l00771"></a><span class="lineno"> 771</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_ICMP */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00772"></a><span class="lineno"> 772</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>, (<span class="stringliteral">"ip6_input: Unsupported transport protocol %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, (<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a>)<a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(ip6hdr)));</div>
<div class="line"><a name="l00773"></a><span class="lineno"> 773</span>  <a class="code" href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00774"></a><span class="lineno"> 774</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.proterr);</div>
<div class="line"><a name="l00775"></a><span class="lineno"> 775</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.drop);</div>
<div class="line"><a name="l00776"></a><span class="lineno"> 776</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00777"></a><span class="lineno"> 777</span>  }</div>
<div class="line"><a name="l00778"></a><span class="lineno"> 778</span>  }</div>
<div class="line"><a name="l00779"></a><span class="lineno"> 779</span>  </div>
<div class="line"><a name="l00780"></a><span class="lineno"> 780</span> ip6_input_cleanup:</div>
<div class="line"><a name="l00781"></a><span class="lineno"> 781</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a7803dc5950d143e4433a0df689989bab">current_netif</a> = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00782"></a><span class="lineno"> 782</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a7da899c663b1d560b61d92ba6d544701">current_input_netif</a> = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00783"></a><span class="lineno"> 783</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.current_ip6_header = <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00784"></a><span class="lineno"> 784</span>  <a class="code" href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a>.<a class="code" href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">current_ip_header_tot_len</a> = 0;</div>
<div class="line"><a name="l00785"></a><span class="lineno"> 785</span>  ip6_addr_set_zero(ip6_current_src_addr());</div>
<div class="line"><a name="l00786"></a><span class="lineno"> 786</span>  ip6_addr_set_zero(ip6_current_dest_addr());</div>
<div class="line"><a name="l00787"></a><span class="lineno"> 787</span>  </div>
<div class="line"><a name="l00788"></a><span class="lineno"> 788</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="l00789"></a><span class="lineno"> 789</span> }</div>
<div class="line"><a name="l00790"></a><span class="lineno"> 790</span>  </div>
<div class="line"><a name="l00791"></a><span class="lineno"> 791</span>  </div>
<div class="line"><a name="l00816"></a><span class="lineno"> 816</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00817"></a><span class="lineno"> 817</span> ip6_output_if(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">const</span> ip6_addr_t *src, <span class="keyword">const</span> ip6_addr_t *dest,</div>
<div class="line"><a name="l00818"></a><span class="lineno"> 818</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> hl, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> tc,</div>
<div class="line"><a name="l00819"></a><span class="lineno"> 819</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth, <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="l00820"></a><span class="lineno"> 820</span> {</div>
<div class="line"><a name="l00821"></a><span class="lineno"> 821</span>  <span class="keyword">const</span> ip6_addr_t *src_used = src;</div>
<div class="line"><a name="l00822"></a><span class="lineno"> 822</span>  <span class="keywordflow">if</span> (dest != <a class="code" href="../../da/d2f/ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a>) {</div>
<div class="line"><a name="l00823"></a><span class="lineno"> 823</span>  <span class="keywordflow">if</span> (src != <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> && ip6_addr_isany(src)) {</div>
<div class="line"><a name="l00824"></a><span class="lineno"> 824</span>  src_used = <a class="code" href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a>(ip6_select_source_address(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, dest));</div>
<div class="line"><a name="l00825"></a><span class="lineno"> 825</span>  <span class="keywordflow">if</span> ((src_used == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) || ip6_addr_isany(src_used)) {</div>
<div class="line"><a name="l00826"></a><span class="lineno"> 826</span>  <span class="comment">/* No appropriate source address was found for this packet. */</span></div>
<div class="line"><a name="l00827"></a><span class="lineno"> 827</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>, (<span class="stringliteral">"ip6_output: No suitable source address for packet.\n"</span>));</div>
<div class="line"><a name="l00828"></a><span class="lineno"> 828</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l00829"></a><span class="lineno"> 829</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a>;</div>
<div class="line"><a name="l00830"></a><span class="lineno"> 830</span>  }</div>
<div class="line"><a name="l00831"></a><span class="lineno"> 831</span>  }</div>
<div class="line"><a name="l00832"></a><span class="lineno"> 832</span>  }</div>
<div class="line"><a name="l00833"></a><span class="lineno"> 833</span>  <span class="keywordflow">return</span> ip6_output_if_src(p, src_used, dest, hl, tc, nexth, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00834"></a><span class="lineno"> 834</span> }</div>
<div class="line"><a name="l00835"></a><span class="lineno"> 835</span>  </div>
<div class="line"><a name="l00840"></a><span class="lineno"> 840</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00841"></a><span class="lineno"> 841</span> ip6_output_if_src(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">const</span> ip6_addr_t *src, <span class="keyword">const</span> ip6_addr_t *dest,</div>
<div class="line"><a name="l00842"></a><span class="lineno"> 842</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> hl, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> tc,</div>
<div class="line"><a name="l00843"></a><span class="lineno"> 843</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth, <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="l00844"></a><span class="lineno"> 844</span> {</div>
<div class="line"><a name="l00845"></a><span class="lineno"> 845</span>  <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *ip6hdr;</div>
<div class="line"><a name="l00846"></a><span class="lineno"> 846</span>  ip6_addr_t dest_addr;</div>
<div class="line"><a name="l00847"></a><span class="lineno"> 847</span>  </div>
<div class="line"><a name="l00848"></a><span class="lineno"> 848</span>  <a class="code" href="../../da/d2f/ip_8h.html#a355679dba1c0d8ef07ce3abcd28e3063">LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</a>(p);</div>
<div class="line"><a name="l00849"></a><span class="lineno"> 849</span>  </div>
<div class="line"><a name="l00850"></a><span class="lineno"> 850</span>  <span class="comment">/* Should the IPv6 header be generated or is it already included in p? */</span></div>
<div class="line"><a name="l00851"></a><span class="lineno"> 851</span>  <span class="keywordflow">if</span> (dest != <a class="code" href="../../da/d2f/ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a>) {</div>
<div class="line"><a name="l00852"></a><span class="lineno"> 852</span>  <span class="comment">/* generate IPv6 header */</span></div>
<div class="line"><a name="l00853"></a><span class="lineno"> 853</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>)) {</div>
<div class="line"><a name="l00854"></a><span class="lineno"> 854</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a> | <a class="code" href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a>, (<span class="stringliteral">"ip6_output: not enough room for IPv6 header in pbuf\n"</span>));</div>
<div class="line"><a name="l00855"></a><span class="lineno"> 855</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.err);</div>
<div class="line"><a name="l00856"></a><span class="lineno"> 856</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63">ERR_BUF</a>;</div>
<div class="line"><a name="l00857"></a><span class="lineno"> 857</span>  }</div>
<div class="line"><a name="l00858"></a><span class="lineno"> 858</span>  </div>
<div class="line"><a name="l00859"></a><span class="lineno"> 859</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00860"></a><span class="lineno"> 860</span>  <a class="code" href="../../db/d16/debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>(<span class="stringliteral">"check that first pbuf can hold struct ip6_hdr"</span>,</div>
<div class="line"><a name="l00861"></a><span class="lineno"> 861</span>  (p-><a class="code" href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> >= <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a>)));</div>
<div class="line"><a name="l00862"></a><span class="lineno"> 862</span>  </div>
<div class="line"><a name="l00863"></a><span class="lineno"> 863</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#aaa72852834526961a3fb2cbc07fe602d">IP6H_HOPLIM_SET</a>(ip6hdr, hl);</div>
<div class="line"><a name="l00864"></a><span class="lineno"> 864</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a85d62e6278b0bed9e3b88df777be612c">IP6H_NEXTH_SET</a>(ip6hdr, nexth);</div>
<div class="line"><a name="l00865"></a><span class="lineno"> 865</span>  </div>
<div class="line"><a name="l00866"></a><span class="lineno"> 866</span>  <span class="comment">/* dest cannot be NULL here */</span></div>
<div class="line"><a name="l00867"></a><span class="lineno"> 867</span>  ip6_addr_copy(ip6hdr->dest, *dest);</div>
<div class="line"><a name="l00868"></a><span class="lineno"> 868</span>  </div>
<div class="line"><a name="l00869"></a><span class="lineno"> 869</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a932e7c887bb04691075a8c36c61736e4">IP6H_VTCFL_SET</a>(ip6hdr, 6, tc, 0);</div>
<div class="line"><a name="l00870"></a><span class="lineno"> 870</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a2d727ccfecc56fb1e35ea4f7249f399b">IP6H_PLEN_SET</a>(ip6hdr, p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a> - <a class="code" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a>);</div>
<div class="line"><a name="l00871"></a><span class="lineno"> 871</span>  </div>
<div class="line"><a name="l00872"></a><span class="lineno"> 872</span>  <span class="keywordflow">if</span> (src == <a class="code" href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00873"></a><span class="lineno"> 873</span>  src = IP6_ADDR_ANY6;</div>
<div class="line"><a name="l00874"></a><span class="lineno"> 874</span>  }</div>
<div class="line"><a name="l00875"></a><span class="lineno"> 875</span>  <span class="comment">/* src cannot be NULL here */</span></div>
<div class="line"><a name="l00876"></a><span class="lineno"> 876</span>  ip6_addr_copy(ip6hdr->src, *src);</div>
<div class="line"><a name="l00877"></a><span class="lineno"> 877</span>  </div>
<div class="line"><a name="l00878"></a><span class="lineno"> 878</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00879"></a><span class="lineno"> 879</span>  <span class="comment">/* IP header already included in p */</span></div>
<div class="line"><a name="l00880"></a><span class="lineno"> 880</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00881"></a><span class="lineno"> 881</span>  ip6_addr_copy(dest_addr, ip6hdr->dest);</div>
<div class="line"><a name="l00882"></a><span class="lineno"> 882</span>  dest = &dest_addr;</div>
<div class="line"><a name="l00883"></a><span class="lineno"> 883</span>  }</div>
<div class="line"><a name="l00884"></a><span class="lineno"> 884</span>  </div>
<div class="line"><a name="l00885"></a><span class="lineno"> 885</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.xmit);</div>
<div class="line"><a name="l00886"></a><span class="lineno"> 886</span>  </div>
<div class="line"><a name="l00887"></a><span class="lineno"> 887</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_output_if: %c%c%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">"\n"</span>, <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="l00888"></a><span class="lineno"> 888</span>  ip6_debug_print(p);</div>
<div class="line"><a name="l00889"></a><span class="lineno"> 889</span>  </div>
<div class="line"><a name="l00890"></a><span class="lineno"> 890</span> <span class="preprocessor">#if ENABLE_LOOPBACK</span></div>
<div class="line"><a name="l00891"></a><span class="lineno"> 891</span>  {</div>
<div class="line"><a name="l00892"></a><span class="lineno"> 892</span>  <span class="keywordtype">int</span> i;</div>
<div class="line"><a name="l00893"></a><span class="lineno"> 893</span> <span class="preprocessor">#if !LWIP_HAVE_LOOPIF</span></div>
<div class="line"><a name="l00894"></a><span class="lineno"> 894</span>  <span class="keywordflow">if</span> (ip6_addr_isloopback(dest)) {</div>
<div class="line"><a name="l00895"></a><span class="lineno"> 895</span>  <span class="keywordflow">return</span> netif_loop_output(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p);</div>
<div class="line"><a name="l00896"></a><span class="lineno"> 896</span>  }</div>
<div class="line"><a name="l00897"></a><span class="lineno"> 897</span> <span class="preprocessor">#endif </span><span class="comment">/* !LWIP_HAVE_LOOPIF */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00898"></a><span class="lineno"> 898</span>  <span class="keywordflow">for</span> (i = 0; i < <a class="code" href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a>; i++) {</div>
<div class="line"><a name="l00899"></a><span class="lineno"> 899</span>  <span class="keywordflow">if</span> (ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i)) &&</div>
<div class="line"><a name="l00900"></a><span class="lineno"> 900</span>  ip6_addr_cmp(dest, netif_ip6_addr(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, i))) {</div>
<div class="line"><a name="l00901"></a><span class="lineno"> 901</span>  <span class="comment">/* Packet to self, enqueue it for loopback */</span></div>
<div class="line"><a name="l00902"></a><span class="lineno"> 902</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"netif_loop_output()\n"</span>));</div>
<div class="line"><a name="l00903"></a><span class="lineno"> 903</span>  <span class="keywordflow">return</span> netif_loop_output(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p);</div>
<div class="line"><a name="l00904"></a><span class="lineno"> 904</span>  }</div>
<div class="line"><a name="l00905"></a><span class="lineno"> 905</span>  }</div>
<div class="line"><a name="l00906"></a><span class="lineno"> 906</span>  }</div>
<div class="line"><a name="l00907"></a><span class="lineno"> 907</span> <span class="preprocessor">#endif </span><span class="comment">/* ENABLE_LOOPBACK */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00908"></a><span class="lineno"> 908</span> <span class="preprocessor">#if LWIP_IPV6_FRAG</span></div>
<div class="line"><a name="l00909"></a><span class="lineno"> 909</span>  <span class="comment">/* don't fragment if interface has mtu set to 0 [loopif] */</span></div>
<div class="line"><a name="l00910"></a><span class="lineno"> 910</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d2/dd6/structnetif.html">netif</a>-><a class="code" href="../../d2/dd6/structnetif.html#aca7d56b4e0f822b0ced2885f222b8d48">mtu</a> && (p-><a class="code" href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">tot_len</a> > nd6_get_destination_mtu(dest, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>))) {</div>
<div class="line"><a name="l00911"></a><span class="lineno"> 911</span>  <span class="keywordflow">return</span> ip6_frag(p, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>, dest);</div>
<div class="line"><a name="l00912"></a><span class="lineno"> 912</span>  }</div>
<div class="line"><a name="l00913"></a><span class="lineno"> 913</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_FRAG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00914"></a><span class="lineno"> 914</span>  </div>
<div class="line"><a name="l00915"></a><span class="lineno"> 915</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"netif->output_ip6()\n"</span>));</div>
<div class="line"><a name="l00916"></a><span class="lineno"> 916</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/dd6/structnetif.html">netif</a>->output_ip6(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, p, dest);</div>
<div class="line"><a name="l00917"></a><span class="lineno"> 917</span> }</div>
<div class="line"><a name="l00918"></a><span class="lineno"> 918</span>  </div>
<div class="line"><a name="l00937"></a><span class="lineno"> 937</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00938"></a><span class="lineno"> 938</span> ip6_output(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">const</span> ip6_addr_t *src, <span class="keyword">const</span> ip6_addr_t *dest,</div>
<div class="line"><a name="l00939"></a><span class="lineno"> 939</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> hl, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> tc, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth)</div>
<div class="line"><a name="l00940"></a><span class="lineno"> 940</span> {</div>
<div class="line"><a name="l00941"></a><span class="lineno"> 941</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="l00942"></a><span class="lineno"> 942</span>  <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *ip6hdr;</div>
<div class="line"><a name="l00943"></a><span class="lineno"> 943</span>  ip6_addr_t src_addr, dest_addr;</div>
<div class="line"><a name="l00944"></a><span class="lineno"> 944</span>  </div>
<div class="line"><a name="l00945"></a><span class="lineno"> 945</span>  <a class="code" href="../../da/d2f/ip_8h.html#a355679dba1c0d8ef07ce3abcd28e3063">LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</a>(p);</div>
<div class="line"><a name="l00946"></a><span class="lineno"> 946</span>  </div>
<div class="line"><a name="l00947"></a><span class="lineno"> 947</span>  <span class="keywordflow">if</span> (dest != <a class="code" href="../../da/d2f/ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a>) {</div>
<div class="line"><a name="l00948"></a><span class="lineno"> 948</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = ip6_route(src, dest);</div>
<div class="line"><a name="l00949"></a><span class="lineno"> 949</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00950"></a><span class="lineno"> 950</span>  <span class="comment">/* IP header included in p, read addresses. */</span></div>
<div class="line"><a name="l00951"></a><span class="lineno"> 951</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00952"></a><span class="lineno"> 952</span>  ip6_addr_copy(src_addr, ip6hdr->src);</div>
<div class="line"><a name="l00953"></a><span class="lineno"> 953</span>  ip6_addr_copy(dest_addr, ip6hdr->dest);</div>
<div class="line"><a name="l00954"></a><span class="lineno"> 954</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = ip6_route(&src_addr, &dest_addr);</div>
<div class="line"><a name="l00955"></a><span class="lineno"> 955</span>  }</div>
<div class="line"><a name="l00956"></a><span class="lineno"> 956</span>  </div>
<div class="line"><a name="l00957"></a><span class="lineno"> 957</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>) {</div>
<div class="line"><a name="l00958"></a><span class="lineno"> 958</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_output: no route for %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l00959"></a><span class="lineno"> 959</span>  IP6_ADDR_BLOCK1(dest),</div>
<div class="line"><a name="l00960"></a><span class="lineno"> 960</span>  IP6_ADDR_BLOCK2(dest),</div>
<div class="line"><a name="l00961"></a><span class="lineno"> 961</span>  IP6_ADDR_BLOCK3(dest),</div>
<div class="line"><a name="l00962"></a><span class="lineno"> 962</span>  IP6_ADDR_BLOCK4(dest),</div>
<div class="line"><a name="l00963"></a><span class="lineno"> 963</span>  IP6_ADDR_BLOCK5(dest),</div>
<div class="line"><a name="l00964"></a><span class="lineno"> 964</span>  IP6_ADDR_BLOCK6(dest),</div>
<div class="line"><a name="l00965"></a><span class="lineno"> 965</span>  IP6_ADDR_BLOCK7(dest),</div>
<div class="line"><a name="l00966"></a><span class="lineno"> 966</span>  IP6_ADDR_BLOCK8(dest)));</div>
<div class="line"><a name="l00967"></a><span class="lineno"> 967</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l00968"></a><span class="lineno"> 968</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a>;</div>
<div class="line"><a name="l00969"></a><span class="lineno"> 969</span>  }</div>
<div class="line"><a name="l00970"></a><span class="lineno"> 970</span>  </div>
<div class="line"><a name="l00971"></a><span class="lineno"> 971</span>  <span class="keywordflow">return</span> ip6_output_if(p, src, dest, hl, tc, nexth, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l00972"></a><span class="lineno"> 972</span> }</div>
<div class="line"><a name="l00973"></a><span class="lineno"> 973</span>  </div>
<div class="line"><a name="l00974"></a><span class="lineno"> 974</span>  </div>
<div class="line"><a name="l00975"></a><span class="lineno"> 975</span> <span class="preprocessor">#if LWIP_NETIF_HWADDRHINT</span></div>
<div class="line"><a name="l00976"></a><span class="lineno"> 976</span>  </div>
<div class="line"><a name="l00995"></a><span class="lineno"> 995</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00996"></a><span class="lineno"> 996</span> ip6_output_hinted(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <span class="keyword">const</span> ip6_addr_t *src, <span class="keyword">const</span> ip6_addr_t *dest,</div>
<div class="line"><a name="l00997"></a><span class="lineno"> 997</span>  <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> hl, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> tc, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> *addr_hint)</div>
<div class="line"><a name="l00998"></a><span class="lineno"> 998</span> {</div>
<div class="line"><a name="l00999"></a><span class="lineno"> 999</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="l01000"></a><span class="lineno"> 1000</span>  <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *ip6hdr;</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>  ip6_addr_t src_addr, dest_addr;</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>  <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err;</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>  </div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>  <a class="code" href="../../da/d2f/ip_8h.html#a355679dba1c0d8ef07ce3abcd28e3063">LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</a>(p);</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>  </div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>  <span class="keywordflow">if</span> (dest != <a class="code" href="../../da/d2f/ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a>) {</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = ip6_route(src, dest);</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>  <span class="comment">/* IP header included in p, read addresses. */</span></div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>  ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>  ip6_addr_copy(src_addr, ip6hdr->src);</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>  ip6_addr_copy(dest_addr, ip6hdr->dest);</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>  <a class="code" href="../../d2/dd6/structnetif.html">netif</a> = ip6_route(&src_addr, &dest_addr);</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>  }</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>  </div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</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>) {</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_output: no route for %"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">":%"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a><span class="stringliteral">"\n"</span>,</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>  IP6_ADDR_BLOCK1(dest),</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>  IP6_ADDR_BLOCK2(dest),</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>  IP6_ADDR_BLOCK3(dest),</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>  IP6_ADDR_BLOCK4(dest),</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>  IP6_ADDR_BLOCK5(dest),</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>  IP6_ADDR_BLOCK6(dest),</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>  IP6_ADDR_BLOCK7(dest),</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>  IP6_ADDR_BLOCK8(dest)));</div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.rterr);</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a>;</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>  }</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>  </div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>  <a class="code" href="../../d9/d69/netif_8h.html#ae1c22f1dab74a84d9e31316fd5fdfa11">NETIF_SET_HWADDRHINT</a>(<a class="code" href="../../d2/dd6/structnetif.html">netif</a>, addr_hint);</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>  err = ip6_output_if(p, src, dest, hl, tc, nexth, <a class="code" href="../../d2/dd6/structnetif.html">netif</a>);</div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>  <a class="code" href="../../d9/d69/netif_8h.html#ae1c22f1dab74a84d9e31316fd5fdfa11">NETIF_SET_HWADDRHINT</a>(<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="l01033"></a><span class="lineno"> 1033</span>  </div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span> }</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_NETIF_HWADDRHINT*/</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>  </div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span> <span class="preprocessor">#if LWIP_IPV6_MLD</span></div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>  </div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span> ip6_options_add_hbh_ra(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> nexth, <a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> value)</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span> {</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>  <span class="keyword">struct </span><a class="code" href="../../d0/d86/structip6__hbh__hdr.html">ip6_hbh_hdr</a> *hbh_hdr;</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>  </div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>  <span class="comment">/* Move pointer to make room for hop-by-hop options header. */</span></div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>  <span class="keywordflow">if</span> (<a class="code" href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="../../d0/d86/structip6__hbh__hdr.html">ip6_hbh_hdr</a>))) {</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"ip6_options: no space for options header\n"</span>));</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>  <a class="code" href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a>(ip6.err);</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>  <span class="keywordflow">return</span> <a class="code" href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63">ERR_BUF</a>;</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>  }</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>  </div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>  hbh_hdr = (<span class="keyword">struct </span><a class="code" href="../../d0/d86/structip6__hbh__hdr.html">ip6_hbh_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>  </div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>  <span class="comment">/* Set fields. */</span></div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>  hbh_hdr->_nexth = nexth;</div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>  hbh_hdr->_hlen = 0;</div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>  hbh_hdr->_ra_opt_type = <a class="code" href="../../de/d63/prot_2ip6_8h.html#a02ac672111b898fe0ab527329b05ce57">IP6_ROUTER_ALERT_OPTION</a>;</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>  hbh_hdr->_ra_opt_dlen = 2;</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>  hbh_hdr->_ra_opt_data = value;</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>  hbh_hdr->_padn_opt_type = <a class="code" href="../../de/d63/prot_2ip6_8h.html#a42b8fada1fa942926239b86f91c11e03">IP6_PADN_ALERT_OPTION</a>;</div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>  hbh_hdr->_padn_opt_dlen = 0;</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>  </div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</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="l01073"></a><span class="lineno"> 1073</span> }</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6_MLD */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>  </div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span> <span class="preprocessor">#if IP6_DEBUG</span></div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span> <span class="comment">/* Print an IPv6 header by using LWIP_DEBUGF</span></div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span> <span class="comment"> * @param p an IPv6 packet, p->payload pointing to the IPv6 header</span></div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span> <span class="comment"> */</span></div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span> ip6_debug_print(<span class="keyword">struct</span> <a class="code" href="../../d9/db8/structpbuf.html">pbuf</a> *p)</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span> {</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>  <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *ip6hdr = (<span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> *)p-><a class="code" href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>  </div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"IPv6 header:\n"</span>));</div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"+-------------------------------+\n"</span>));</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %2"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" | %3"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" | %7"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a><span class="stringliteral">" | (ver, class, flow)\n"</span>,</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a90f24cf50dee93e0729a1fc1d05374e3">IP6H_V</a>(ip6hdr),</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a09221519353bd18683c39a37905af968">IP6H_TC</a>(ip6hdr),</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#aca05b52650fd3d7d7806b7aaf3fe4aaf">IP6H_FL</a>(ip6hdr)));</div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"+-------------------------------+\n"</span>));</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %5"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" | %3"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" | %3"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gaa9d7f6eb2ee9fcc5eda3545dbb1886e0">U16_F</a><span class="stringliteral">" | (plen, nexth, hopl)\n"</span>,</div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a>(ip6hdr),</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a>(ip6hdr),</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>  <a class="code" href="../../de/d63/prot_2ip6_8h.html#a4f8209d53443b50770e57426d027de28">IP6H_HOPLIM</a>(ip6hdr)));</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"+-------------------------------+\n"</span>));</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | (src)\n"</span>,</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>  IP6_ADDR_BLOCK1(&(ip6hdr->src)),</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>  IP6_ADDR_BLOCK2(&(ip6hdr->src)),</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>  IP6_ADDR_BLOCK3(&(ip6hdr->src)),</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>  IP6_ADDR_BLOCK4(&(ip6hdr->src))));</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" |\n"</span>,</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>  IP6_ADDR_BLOCK5(&(ip6hdr->src)),</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>  IP6_ADDR_BLOCK6(&(ip6hdr->src)),</div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>  IP6_ADDR_BLOCK7(&(ip6hdr->src)),</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>  IP6_ADDR_BLOCK8(&(ip6hdr->src))));</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"+-------------------------------+\n"</span>));</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | (dest)\n"</span>,</div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>  IP6_ADDR_BLOCK1(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>  IP6_ADDR_BLOCK2(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>  IP6_ADDR_BLOCK3(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>  IP6_ADDR_BLOCK4(&(ip6hdr->dest))));</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"| %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" | %4"</span><a class="code" href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a><span class="stringliteral">" |\n"</span>,</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>  IP6_ADDR_BLOCK5(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>  IP6_ADDR_BLOCK6(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>  IP6_ADDR_BLOCK7(&(ip6hdr->dest)),</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>  IP6_ADDR_BLOCK8(&(ip6hdr->dest))));</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>  <a class="code" href="../../db/d16/debug_8h.html#a63a04edf7ff63c951bd8706711956cdb">LWIP_DEBUGF</a>(<a class="code" href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a>, (<span class="stringliteral">"+-------------------------------+\n"</span>));</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span> }</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span> <span class="preprocessor">#endif </span><span class="comment">/* IP6_DEBUG */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>  </div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_IPV6 */</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="astructpbuf_html_a6f82449625e36e294f5d210268c0703f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a6f82449625e36e294f5d210268c0703f">pbuf::len</a></div><div class="ttdeci">u16_t len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00159">pbuf.h:159</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a2d727ccfecc56fb1e35ea4f7249f399b"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a2d727ccfecc56fb1e35ea4f7249f399b">IP6H_PLEN_SET</a></div><div class="ttdeci">#define IP6H_PLEN_SET(hdr, plen)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00161">ip6.h:161</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gacf46f4df0ebab84edebcb69967fdf86b"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gacf46f4df0ebab84edebcb69967fdf86b">s16_t</a></div><div class="ttdeci">int16_t s16_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00125">arch.h:125</a></div></div>
<div class="ttc" id="adef_8h_html"><div class="ttname"><a href="../../d4/da4/def_8h.html">def.h</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a6e4afde135c71a3b194b68add3d9138c"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a6e4afde135c71a3b194b68add3d9138c">IP6_NEXTH_UDPLITE</a></div><div class="ttdeci">#define IP6_NEXTH_UDPLITE</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00073">ip6.h:73</a></div></div>
<div class="ttc" id="and6_8h_html"><div class="ttname"><a href="../../d9/d56/nd6_8h.html">nd6.h</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_a3a817e777ebcfd705e8e5a1b4c5ae023acbcc58901e2345ffc31df4098de60ff8"><div class="ttname"><a href="../../d8/d5d/prot_2icmp6_8h.html#a3a817e777ebcfd705e8e5a1b4c5ae023acbcc58901e2345ffc31df4098de60ff8">ICMP6_PP_HEADER</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d5d/prot_2icmp6_8h_source.html#l00128">icmp6.h:128</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_2ip6_8h_html_aaa72852834526961a3fb2cbc07fe602d"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#aaa72852834526961a3fb2cbc07fe602d">IP6H_HOPLIM_SET</a></div><div class="ttdeci">#define IP6H_HOPLIM_SET(hdr, hl)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00163">ip6.h:163</a></div></div>
<div class="ttc" id="aip6__frag_8h_html"><div class="ttname"><a href="../../d9/d74/ip6__frag_8h.html">ip6_frag.h</a></div></div>
<div class="ttc" id="alwipopts_8h_html_aa2b1f736373cd896e212644aa453fbaf"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#aa2b1f736373cd896e212644aa453fbaf">LWIP_HAVE_LOOPIF</a></div><div class="ttdeci">#define LWIP_HAVE_LOOPIF</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00231">lwipopts.h:231</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca05c91366f1b5203a5db9a241b415cd63">ERR_BUF</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00067">err.h:67</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="astructip__globals_html_a17004526e6f1a164c0bab01aeac5e34a"><div class="ttname"><a href="../../d4/dc7/structip__globals.html#a17004526e6f1a164c0bab01aeac5e34a">ip_globals::current_ip_header_tot_len</a></div><div class="ttdeci">u16_t current_ip_header_tot_len</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00120">ip.h:120</a></div></div>
<div class="ttc" id="astructpbuf_html_a5259e7ec29bab9c0999b64f2e86b411f"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a5259e7ec29bab9c0999b64f2e86b411f">pbuf::tot_len</a></div><div class="ttdeci">u16_t tot_len</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00156">pbuf.h:156</a></div></div>
<div class="ttc" id="astats_8h_html_ac74aa05083bf4034fe2cc1efd5fde36c"><div class="ttname"><a href="../../d9/d9b/stats_8h.html#ac74aa05083bf4034fe2cc1efd5fde36c">IP6_FRAG_STATS_INC</a></div><div class="ttdeci">#define IP6_FRAG_STATS_INC(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d9b/stats_8h_source.html#l00444">stats.h:444</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_a11fe21b0a8c1bc73ee887a96bf416ccfa695bb4d92f32b504a9483ff137235a78"><div class="ttname"><a href="../../d8/d5d/prot_2icmp6_8h.html#a11fe21b0a8c1bc73ee887a96bf416ccfa695bb4d92f32b504a9483ff137235a78">ICMP6_DUR_NO_ROUTE</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d5d/prot_2icmp6_8h_source.html#l00100">icmp6.h:100</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a42b8fada1fa942926239b86f91c11e03"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a42b8fada1fa942926239b86f91c11e03">IP6_PADN_ALERT_OPTION</a></div><div class="ttdeci">#define IP6_PADN_ALERT_OPTION</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00101">ip6.h:101</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gab0dd696fb4b6bc65e548944584f1738b"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a></div><div class="ttdeci">u8_t pbuf_free(struct pbuf *p)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00715">pbuf.c:715</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a02ac672111b898fe0ab527329b05ce57"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a02ac672111b898fe0ab527329b05ce57">IP6_ROUTER_ALERT_OPTION</a></div><div class="ttdeci">#define IP6_ROUTER_ALERT_OPTION</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00102">ip6.h:102</a></div></div>
<div class="ttc" id="astructnetif_html_aca7d56b4e0f822b0ced2885f222b8d48"><div class="ttname"><a href="../../d2/dd6/structnetif.html#aca7d56b4e0f822b0ced2885f222b8d48">netif::mtu</a></div><div class="ttdeci">u16_t mtu</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00307">netif.h:307</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="aip_8h_html_ac944fb6564f181bc90bc7c2b8b00d94c"><div class="ttname"><a href="../../da/d2f/ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a></div><div class="ttdeci">struct ip_globals ip_data</div></div>
<div class="ttc" id="araw_8h_html"><div class="ttname"><a href="../../d6/df4/raw_8h.html">raw.h</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a85d62e6278b0bed9e3b88df777be612c"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a85d62e6278b0bed9e3b88df777be612c">IP6H_NEXTH_SET</a></div><div class="ttdeci">#define IP6H_NEXTH_SET(hdr, nexth)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00162">ip6.h:162</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a4d9e6542b73b17c81b56808e1ffd5b27"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a4d9e6542b73b17c81b56808e1ffd5b27">IP6_NEXTH_ROUTING</a></div><div class="ttdeci">#define IP6_NEXTH_ROUTING</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00068">ip6.h:68</a></div></div>
<div class="ttc" id="anetif_8h_html_ae1c22f1dab74a84d9e31316fd5fdfa11"><div class="ttname"><a href="../../d9/d69/netif_8h.html#ae1c22f1dab74a84d9e31316fd5fdfa11">NETIF_SET_HWADDRHINT</a></div><div class="ttdeci">#define NETIF_SET_HWADDRHINT(netif, hint)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00475">netif.h:475</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga1418f92673e54a36b6e376109e526382"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga1418f92673e54a36b6e376109e526382">X16_F</a></div><div class="ttdeci">#define X16_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00154">arch.h:154</a></div></div>
<div class="ttc" id="astats_8h_html"><div class="ttname"><a href="../../d9/d9b/stats_8h.html">stats.h</a></div></div>
<div class="ttc" id="agroup__debugging__levels_html_ga0269bdc51f1e8a5ecf9af72c6e1c996c"><div class="ttname"><a href="../../d6/d7a/group__debugging__levels.html#ga0269bdc51f1e8a5ecf9af72c6e1c996c">LWIP_DBG_LEVEL_SERIOUS</a></div><div class="ttdeci">#define LWIP_DBG_LEVEL_SERIOUS</div><div class="ttdef"><b>Definition:</b> <a href="../../db/d16/debug_8h_source.html#l00057">debug.h:57</a></div></div>
<div class="ttc" id="aicmp6_8h_html"><div class="ttname"><a href="../../db/da0/icmp6_8h.html">icmp6.h</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_ad06bbf4ee72635ece968db41cbe6869eacccbb5e776df1b35af4149e593240880"><div class="ttname"><a href="../../d8/d5d/prot_2icmp6_8h.html#ad06bbf4ee72635ece968db41cbe6869eacccbb5e776df1b35af4149e593240880">ICMP6_TE_HL</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d5d/prot_2icmp6_8h_source.html#l00118">icmp6.h:118</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="amld6_8h_html"><div class="ttname"><a href="../../d0/d61/mld6_8h.html">mld6.h</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="anetif_8h_html_a780be4c3fa9f7f2534f7865666c3a1b8"><div class="ttname"><a href="../../d9/d69/netif_8h.html#a780be4c3fa9f7f2534f7865666c3a1b8">netif_is_link_up</a></div><div class="ttdeci">#define netif_is_link_up(netif)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d69/netif_8h_source.html#l00421">netif.h:421</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a4f8209d53443b50770e57426d027de28"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a4f8209d53443b50770e57426d027de28">IP6H_HOPLIM</a></div><div class="ttdeci">#define IP6H_HOPLIM(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00158">ip6.h:158</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a748b24c4f1ae5bbeecaa34e066cb3f8c"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a748b24c4f1ae5bbeecaa34e066cb3f8c">IP6_NEXTH_TCP</a></div><div class="ttdeci">#define IP6_NEXTH_TCP</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00065">ip6.h:65</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a4ada75ee94d08af1a0d2656e6d14d7d9"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a4ada75ee94d08af1a0d2656e6d14d7d9">IP6_FRAG_OFFSET_MASK</a></div><div class="ttdeci">#define IP6_FRAG_OFFSET_MASK</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00131">ip6.h:131</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_2ip6_8h_html_a27db49d05c2230c085c04e766267ed38"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a27db49d05c2230c085c04e766267ed38">IP6_NEXTH_HOPBYHOP</a></div><div class="ttdeci">#define IP6_NEXTH_HOPBYHOP</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00064">ip6.h:64</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a88b43639738c4de2d3cd22e3a1fd7696"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a88b43639738c4de2d3cd22e3a1fd7696">ip_addr_t</a></div><div class="ttdeci">ip6_addr_t ip_addr_t</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00290">ip_addr.h:290</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_ab277ee09b6e7200fc1cfe28482b886a6"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a></div><div class="ttdeci">#define IP6_NEXTH_ICMP6</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00070">ip6.h:70</a></div></div>
<div class="ttc" id="atcp__priv_8h_html"><div class="ttname"><a href="../../da/d54/tcp__priv_8h.html">tcp_priv.h</a></div></div>
<div class="ttc" id="astructip__globals_html_a7da899c663b1d560b61d92ba6d544701"><div class="ttname"><a href="../../d4/dc7/structip__globals.html#a7da899c663b1d560b61d92ba6d544701">ip_globals::current_input_netif</a></div><div class="ttdeci">struct netif * current_input_netif</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00110">ip.h:110</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_af01cb063f723d79e1c34a8e95a93a2c0"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#af01cb063f723d79e1c34a8e95a93a2c0">IP6_NEXTH_DESTOPTS</a></div><div class="ttdeci">#define IP6_NEXTH_DESTOPTS</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00072">ip6.h:72</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="astats_8h_html_af38ba685afe9de39bd971c83b443ea37"><div class="ttname"><a href="../../d9/d9b/stats_8h.html#af38ba685afe9de39bd971c83b443ea37">IP6_STATS_INC</a></div><div class="ttdeci">#define IP6_STATS_INC(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d9/d9b/stats_8h_source.html#l00428">stats.h:428</a></div></div>
<div class="ttc" id="aip__addr_8h_html_a06e75bcd198012b5ba39480c233608bd"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#a06e75bcd198012b5ba39480c233608bd">ip_2_ip6</a></div><div class="ttdeci">#define ip_2_ip6(ipaddr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00301">ip_addr.h:301</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ga50abfe830a33a1a47a562febee66015d"><div class="ttname"><a href="../../d7/d05/group__pbuf.html#ga50abfe830a33a1a47a562febee66015d">pbuf_realloc</a></div><div class="ttdeci">void pbuf_realloc(struct pbuf *p, u16_t size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00493">pbuf.c:493</a></div></div>
<div class="ttc" id="astructip__globals_html_a04d85a3dc2c417050b3e088fa58a74b0"><div class="ttname"><a href="../../d4/dc7/structip__globals.html#a04d85a3dc2c417050b3e088fa58a74b0">ip_globals::current_iphdr_src</a></div><div class="ttdeci">ip_addr_t current_iphdr_src</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00122">ip.h:122</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="aprot_2ip6_8h_html_a654fbd4bb77707859b16f6935f2ba4c7"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a654fbd4bb77707859b16f6935f2ba4c7">IP6_NEXTH_NONE</a></div><div class="ttdeci">#define IP6_NEXTH_NONE</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00071">ip6.h:71</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="agroup__compiler__abstraction_html_ga9cd1d7891fe315de1201e2c6e45f4f57"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga9cd1d7891fe315de1201e2c6e45f4f57">s8_t</a></div><div class="ttdeci">int8_t s8_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00123">arch.h:123</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a1a72bdc1494ea84cbf16424e9aedcd79"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a1a72bdc1494ea84cbf16424e9aedcd79">IP6_NEXTH_FRAGMENT</a></div><div class="ttdeci">#define IP6_NEXTH_FRAGMENT</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00069">ip6.h:69</a></div></div>
<div class="ttc" id="adhcp6_8h_html"><div class="ttname"><a href="../../db/d87/dhcp6_8h.html">dhcp6.h</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="aip__addr_8h_html_abe6f7908ce8a91dc587e2ebc2172e651"><div class="ttname"><a href="../../de/df7/ip__addr_8h.html#abe6f7908ce8a91dc587e2ebc2172e651">ip_addr_copy_from_ip6</a></div><div class="ttdeci">#define ip_addr_copy_from_ip6(dest, src)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/df7/ip__addr_8h_source.html#l00306">ip_addr.h:306</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="aip_8h_html"><div class="ttname"><a href="../../da/d2f/ip_8h.html">ip.h</a></div></div>
<div class="ttc" id="audp_8h_html"><div class="ttname"><a href="../../d2/da7/udp_8h.html">udp.h</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_afb4c1dc527be76d8f27591dfb726c023"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023">IP6_HLEN</a></div><div class="ttdeci">#define IP6_HLEN</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00062">ip6.h:62</a></div></div>
<div class="ttc" id="aip6__addr_8h_html"><div class="ttname"><a href="../../d3/d7d/ip6__addr_8h.html">ip6_addr.h</a></div></div>
<div class="ttc" id="astructip__globals_html_a0b4e54250c692c638408de54593d2aa1"><div class="ttname"><a href="../../d4/dc7/structip__globals.html#a0b4e54250c692c638408de54593d2aa1">ip_globals::current_iphdr_dest</a></div><div class="ttdeci">ip_addr_t current_iphdr_dest</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00124">ip.h:124</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="alwipopts_8h_html_a724a0ea765d5a47d026d529725f31c01"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a724a0ea765d5a47d026d529725f31c01">LWIP_NETIF_LOOPBACK</a></div><div class="ttdeci">#define LWIP_NETIF_LOOPBACK</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00235">lwipopts.h:235</a></div></div>
<div class="ttc" id="astructip6__hbh__hdr_html"><div class="ttname"><a href="../../d0/d86/structip6__hbh__hdr.html">ip6_hbh_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00108">ip6.h:108</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gad8b0a364e95b07cb0c47709fdc6037d6"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gad8b0a364e95b07cb0c47709fdc6037d6">U32_F</a></div><div class="ttdeci">#define U32_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00157">arch.h:157</a></div></div>
<div class="ttc" id="aip_8h_html_a2b7dff1859ced5f2be3fc3da231819d7"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a></div><div class="ttdeci">#define LWIP_IP_HDRINCL</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00058">ip.h:58</a></div></div>
<div class="ttc" id="astructip6__frag__hdr_html"><div class="ttname"><a href="../../db/d44/structip6__frag__hdr.html">ip6_frag_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00137">ip6.h:137</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_gac219830a93d05c5f18f64ce87a34be14"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#gac219830a93d05c5f18f64ce87a34be14">X32_F</a></div><div class="ttdeci">#define X32_F</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00163">arch.h:163</a></div></div>
<div class="ttc" id="apbuf_8h_html_a27480c41c34021d4417691d327163626"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#a27480c41c34021d4417691d327163626">pbuf_header_force</a></div><div class="ttdeci">u8_t pbuf_header_force(struct pbuf *p, s16_t header_size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00675">pbuf.c:675</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="aip_8h_html_a355679dba1c0d8ef07ce3abcd28e3063"><div class="ttname"><a href="../../da/d2f/ip_8h.html#a355679dba1c0d8ef07ce3abcd28e3063">LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</a></div><div class="ttdeci">#define LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX(p)</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00063">ip.h:63</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a09221519353bd18683c39a37905af968"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a09221519353bd18683c39a37905af968">IP6H_TC</a></div><div class="ttdeci">#define IP6H_TC(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00153">ip6.h:153</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a"><div class="ttname"><a href="../../d2/de7/group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadca9448893187313c0c5a502ca9a9ad1c2a">ERR_RTE</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d40/err_8h_source.html#l00071">err.h:71</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a4e60dc945c0061d3d4dc4a84132a506b"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a4e60dc945c0061d3d4dc4a84132a506b">IP6_FRAG_MORE_FLAG</a></div><div class="ttdeci">#define IP6_FRAG_MORE_FLAG</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00132">ip6.h:132</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_ac672706ee00b07f263dad7dcf116d351"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351">IP6H_PLEN</a></div><div class="ttdeci">#define IP6H_PLEN(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00155">ip6.h:155</a></div></div>
<div class="ttc" id="astructip__globals_html_a7803dc5950d143e4433a0df689989bab"><div class="ttname"><a href="../../d4/dc7/structip__globals.html#a7803dc5950d143e4433a0df689989bab">ip_globals::current_netif</a></div><div class="ttdeci">struct netif * current_netif</div><div class="ttdef"><b>Definition:</b> <a href="../../da/d2f/ip_8h_source.html#l00108">ip.h:108</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a90f24cf50dee93e0729a1fc1d05374e3"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a90f24cf50dee93e0729a1fc1d05374e3">IP6H_V</a></div><div class="ttdeci">#define IP6H_V(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00152">ip6.h:152</a></div></div>
<div class="ttc" id="astructip6__hdr_html"><div class="ttname"><a href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00080">ip6.h:80</a></div></div>
<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="../../d9/db8/structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
<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="aip6_8h_html"><div class="ttname"><a href="../../d0/dca/ip6_8h.html">ip6.h</a></div></div>
<div class="ttc" id="alwipopts_8h_html_ac2f9726756b78d4d7c425b0422a776ce"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#ac2f9726756b78d4d7c425b0422a776ce">IP6_DEBUG</a></div><div class="ttdeci">#define IP6_DEBUG</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00487">lwipopts.h:487</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a11009a147aa680a6a486ded85382aff1"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1">IP6H_NEXTH</a></div><div class="ttdeci">#define IP6H_NEXTH(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00156">ip6.h:156</a></div></div>
<div class="ttc" id="adebug_8h_html"><div class="ttname"><a href="../../db/d16/debug_8h.html">debug.h</a></div></div>
<div class="ttc" id="apbuf_8h_html_aaa17c1951cf2d207b6adfd3947d91f00"><div class="ttname"><a href="../../d0/d35/pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a></div><div class="ttdeci">u8_t pbuf_header(struct pbuf *p, s16_t header_size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d8/df0/pbuf_8c_source.html#l00665">pbuf.c:665</a></div></div>
<div class="ttc" id="alwipopts_8h_html_a16c1b672604bfb0a66a6aeeb854589d3"><div class="ttname"><a href="../../d2/d78/lwipopts_8h.html#a16c1b672604bfb0a66a6aeeb854589d3">LWIP_IPV6_NUM_ADDRESSES</a></div><div class="ttdeci">#define LWIP_IPV6_NUM_ADDRESSES</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d78/lwipopts_8h_source.html#l00367">lwipopts.h:367</a></div></div>
<div class="ttc" id="astructpbuf_html_a8d32dc3e964369d4eec638fc37fbc460"><div class="ttname"><a href="../../d9/db8/structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">pbuf::payload</a></div><div class="ttdeci">void * payload</div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d35/pbuf_8h_source.html#l00147">pbuf.h:147</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_aca05b52650fd3d7d7806b7aaf3fe4aaf"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#aca05b52650fd3d7d7806b7aaf3fe4aaf">IP6H_FL</a></div><div class="ttdeci">#define IP6H_FL(hdr)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00154">ip6.h:154</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>
<div class="ttc" id="adef_8h_html_a0dfd02d7c09f9c698a5a7ecc0b7287ad"><div class="ttname"><a href="../../d4/da4/def_8h.html#a0dfd02d7c09f9c698a5a7ecc0b7287ad">PP_HTONS</a></div><div class="ttdeci">#define PP_HTONS(x)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/da4/def_8h_source.html#l00079">def.h:79</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a932e7c887bb04691075a8c36c61736e4"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a932e7c887bb04691075a8c36c61736e4">IP6H_VTCFL_SET</a></div><div class="ttdeci">#define IP6H_VTCFL_SET(hdr, v, tc, fl)</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00160">ip6.h:160</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a0159bb5b3af8ea1e203d543c0f3c17c2"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a0159bb5b3af8ea1e203d543c0f3c17c2">IP6_NEXTH_UDP</a></div><div class="ttdeci">#define IP6_NEXTH_UDP</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00066">ip6.h:66</a></div></div>
<div class="ttc" id="anetif_8h_html_a3d0925cbce550ed461907aee816713ba"><div class="ttname"><a href="../../d9/d69/netif_8h.html#a3d0925cbce550ed461907aee816713ba">netif_default</a></div><div class="ttdeci">struct netif * netif_default</div><div class="ttdef"><b>Definition:</b> <a href="../../df/d02/netif_8c_source.html#l00105">netif.c:105</a></div></div>
<div class="ttc" id="afat__string_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="../../d6/d8a/fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d8a/fat__string_8h_source.html#l00017">fat_string.h:17</a></div></div>
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