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<div class="title">ip6.h</div> </div>
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<a href="../../de/d63/prot_2ip6_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * Copyright (c) 2001-2004 Swedish Institute of Computer Science.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</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="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</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="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</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="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * Author: Adam Dunkels <adam@sics.se></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#ifndef LWIP_HDR_PROT_IP6_H</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#define LWIP_HDR_PROT_IP6_H</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include "lwip/arch.h"</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include "lwip/ip6_addr.h"</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="preprocessor"># include "arch/bpstruct.h"</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="../../dc/dd5/structip6__addr__packed.html"> 53</a></span> <span class="keyword">struct </span><a class="code" href="../../dc/dd5/structip6__addr__packed.html">ip6_addr_packed</a> {</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="../../dc/dd5/structip6__addr__packed.html#a9d7cd2a55e5e416dec8a98f4cd495a55">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> addr[4]);</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> } <a class="code" href="../../de/d63/prot_2ip6_8h.html#a12d53f506842c4aa511edf9e28746539">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a560932a657f17ec5a0a3a78a1ce7e60a"> 60</a></span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="../../dc/dd5/structip6__addr__packed.html">ip6_addr_packed</a> <a class="code" href="../../de/d63/prot_2ip6_8h.html#a560932a657f17ec5a0a3a78a1ce7e60a">ip6_addr_p_t</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  </div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#afb4c1dc527be76d8f27591dfb726c023"> 62</a></span> <span class="preprocessor">#define IP6_HLEN 40</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
<div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a27db49d05c2230c085c04e766267ed38"> 64</a></span> <span class="preprocessor">#define IP6_NEXTH_HOPBYHOP 0</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a748b24c4f1ae5bbeecaa34e066cb3f8c"> 65</a></span> <span class="preprocessor">#define IP6_NEXTH_TCP 6</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a0159bb5b3af8ea1e203d543c0f3c17c2"> 66</a></span> <span class="preprocessor">#define IP6_NEXTH_UDP 17</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a203e1cfca6330ec95bcdbe2418587f65"> 67</a></span> <span class="preprocessor">#define IP6_NEXTH_ENCAPS 41</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a4d9e6542b73b17c81b56808e1ffd5b27"> 68</a></span> <span class="preprocessor">#define IP6_NEXTH_ROUTING 43</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a1a72bdc1494ea84cbf16424e9aedcd79"> 69</a></span> <span class="preprocessor">#define IP6_NEXTH_FRAGMENT 44</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6"> 70</a></span> <span class="preprocessor">#define IP6_NEXTH_ICMP6 58</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a654fbd4bb77707859b16f6935f2ba4c7"> 71</a></span> <span class="preprocessor">#define IP6_NEXTH_NONE 59</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#af01cb063f723d79e1c34a8e95a93a2c0"> 72</a></span> <span class="preprocessor">#define IP6_NEXTH_DESTOPTS 60</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a6e4afde135c71a3b194b68add3d9138c"> 73</a></span> <span class="preprocessor">#define IP6_NEXTH_UDPLITE 136</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"># include "arch/bpstruct.h"</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="../../d2/d9c/structip6__hdr.html"> 80</a></span> <span class="keyword">struct </span><a class="code" href="../../d2/d9c/structip6__hdr.html">ip6_hdr</a> {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#ac6e6140bc60cc977c547fe1edf51bc66">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> _v_tc_fl);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#ac6e6140bc60cc977c547fe1edf51bc66">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> _plen);</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#a7e8821e0eb16fe1f048228c119a69942">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _nexth);</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#a7e8821e0eb16fe1f048228c119a69942">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _hoplim);</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#a5a575c55ef0ba5454a4b2930cfc10733">PACK_STRUCT_FLD_S</a>(<a class="code" href="../../de/d63/prot_2ip6_8h.html#a560932a657f17ec5a0a3a78a1ce7e60a">ip6_addr_p_t</a> src);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <a class="code" href="../../d2/d9c/structip6__hdr.html#a5a575c55ef0ba5454a4b2930cfc10733">PACK_STRUCT_FLD_S</a>(<a class="code" href="../../de/d63/prot_2ip6_8h.html#a560932a657f17ec5a0a3a78a1ce7e60a">ip6_addr_p_t</a> dest);</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> } <a class="code" href="../../de/d63/prot_2ip6_8h.html#a12d53f506842c4aa511edf9e28746539">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">/* Hop-by-hop router alert option. */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a3c07dfc39f03801b78ea2b5e882feaa5"> 99</a></span> <span class="preprocessor">#define IP6_HBH_HLEN 8</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a792e3f1465395652f1df6dd41cfa089a"> 100</a></span> <span class="preprocessor">#define IP6_PAD1_OPTION 0</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a42b8fada1fa942926239b86f91c11e03"> 101</a></span> <span class="preprocessor">#define IP6_PADN_ALERT_OPTION 1</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a02ac672111b898fe0ab527329b05ce57"> 102</a></span> <span class="preprocessor">#define IP6_ROUTER_ALERT_OPTION 5</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#afb8daf0c5217efe957cd809074ca5f0b"> 103</a></span> <span class="preprocessor">#define IP6_ROUTER_ALERT_VALUE_MLD 0</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor"># include "arch/bpstruct.h"</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00108"></a><span class="lineno"><a class="line" href="../../d0/d86/structip6__hbh__hdr.html"> 108</a></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="l00109"></a><span class="lineno"> 109</span>  <span class="comment">/* next header */</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _nexth);</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="comment">/* header length */</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _hlen);</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="comment">/* router alert option type */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _ra_opt_type);</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="comment">/* router alert option data len */</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _ra_opt_dlen);</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="comment">/* router alert option data */</span></div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a5dff82e0d8756b04febd936e23b989da">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> _ra_opt_data);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="comment">/* PadN option type */</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _padn_opt_type);</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="comment">/* PadN option data len */</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _padn_opt_dlen);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> } <a class="code" href="../../de/d63/prot_2ip6_8h.html#a12d53f506842c4aa511edf9e28746539">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="preprocessor">#endif</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">/* Fragment header. */</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#aacda00cc76d9e7f9f3197de3b27089ea"> 130</a></span> <span class="preprocessor">#define IP6_FRAG_HLEN 8</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a4ada75ee94d08af1a0d2656e6d14d7d9"> 131</a></span> <span class="preprocessor">#define IP6_FRAG_OFFSET_MASK 0xfff8</span></div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a4e60dc945c0061d3d4dc4a84132a506b"> 132</a></span> <span class="preprocessor">#define IP6_FRAG_MORE_FLAG 0x0001</span></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span> <span class="preprocessor"># include "arch/bpstruct.h"</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> <a class="code" href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="../../db/d44/structip6__frag__hdr.html"> 137</a></span> <span class="keyword">struct </span><a class="code" href="../../db/d44/structip6__frag__hdr.html">ip6_frag_hdr</a> {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="comment">/* next header */</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="../../db/d44/structip6__frag__hdr.html#a8604fbb38f61d571cdc373f3ecc79512">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> _nexth);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">/* reserved */</span></div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="../../db/d44/structip6__frag__hdr.html#a8604fbb38f61d571cdc373f3ecc79512">PACK_STRUCT_FLD_8</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> reserved);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">/* fragment offset */</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="../../db/d44/structip6__frag__hdr.html#a623f3b24b23b28e1509c810e7a1d4711">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> _fragment_offset);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">/* fragmented packet identification */</span></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <a class="code" href="../../db/d44/structip6__frag__hdr.html#a623f3b24b23b28e1509c810e7a1d4711">PACK_STRUCT_FIELD</a>(<a class="code" href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a> _identification);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> } <a class="code" href="../../de/d63/prot_2ip6_8h.html#a12d53f506842c4aa511edf9e28746539">PACK_STRUCT_STRUCT</a>;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <a class="code" href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="preprocessor">#ifdef PACK_STRUCT_USE_INCLUDES</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor"># include "arch/epstruct.h"</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  </div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a90f24cf50dee93e0729a1fc1d05374e3"> 152</a></span> <span class="preprocessor">#define IP6H_V(hdr) ((lwip_ntohl((hdr)->_v_tc_fl) >> 28) & 0x0f)</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a09221519353bd18683c39a37905af968"> 153</a></span> <span class="preprocessor">#define IP6H_TC(hdr) ((lwip_ntohl((hdr)->_v_tc_fl) >> 20) & 0xff)</span></div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#aca05b52650fd3d7d7806b7aaf3fe4aaf"> 154</a></span> <span class="preprocessor">#define IP6H_FL(hdr) (lwip_ntohl((hdr)->_v_tc_fl) & 0x000fffff)</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#ac672706ee00b07f263dad7dcf116d351"> 155</a></span> <span class="preprocessor">#define IP6H_PLEN(hdr) (lwip_ntohs((hdr)->_plen))</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a11009a147aa680a6a486ded85382aff1"> 156</a></span> <span class="preprocessor">#define IP6H_NEXTH(hdr) ((hdr)->_nexth)</span></div>
<div class="line"><a name="l00157"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#adc6c59e0bfc927c6770d7b01323a87d5"> 157</a></span> <span class="preprocessor">#define IP6H_NEXTH_P(hdr) ((u8_t *)(hdr) + 6)</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a4f8209d53443b50770e57426d027de28"> 158</a></span> <span class="preprocessor">#define IP6H_HOPLIM(hdr) ((hdr)->_hoplim)</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  </div>
<div class="line"><a name="l00160"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a932e7c887bb04691075a8c36c61736e4"> 160</a></span> <span class="preprocessor">#define IP6H_VTCFL_SET(hdr, v, tc, fl) (hdr)->_v_tc_fl = (lwip_htonl((((u32_t)(v)) << 28) | (((u32_t)(tc)) << 20) | (fl)))</span></div>
<div class="line"><a name="l00161"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a2d727ccfecc56fb1e35ea4f7249f399b"> 161</a></span> <span class="preprocessor">#define IP6H_PLEN_SET(hdr, plen) (hdr)->_plen = lwip_htons(plen)</span></div>
<div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#a85d62e6278b0bed9e3b88df777be612c"> 162</a></span> <span class="preprocessor">#define IP6H_NEXTH_SET(hdr, nexth) (hdr)->_nexth = (nexth)</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="../../de/d63/prot_2ip6_8h.html#aaa72852834526961a3fb2cbc07fe602d"> 163</a></span> <span class="preprocessor">#define IP6H_HOPLIM_SET(hdr, hl) (hdr)->_hoplim = (u8_t)(hl)</span></div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="preprocessor">#ifdef __cplusplus</span></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> <span class="preprocessor">#endif</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> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_HDR_PROT_IP6_H */</span><span class="preprocessor"></span></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<div class="ttc" id="astructip6__hdr_html_a7e8821e0eb16fe1f048228c119a69942"><div class="ttname"><a href="../../d2/d9c/structip6__hdr.html#a7e8821e0eb16fe1f048228c119a69942">ip6_hdr::PACK_STRUCT_FLD_8</a></div><div class="ttdeci">PACK_STRUCT_FLD_8(u8_t _nexth)</div></div>
<div class="ttc" id="astructip6__frag__hdr_html_a8604fbb38f61d571cdc373f3ecc79512"><div class="ttname"><a href="../../db/d44/structip6__frag__hdr.html#a8604fbb38f61d571cdc373f3ecc79512">ip6_frag_hdr::PACK_STRUCT_FLD_8</a></div><div class="ttdeci">PACK_STRUCT_FLD_8(u8_t _nexth)</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="aprot_2ip6_8h_html_a12d53f506842c4aa511edf9e28746539"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a12d53f506842c4aa511edf9e28746539">PACK_STRUCT_STRUCT</a></div><div class="ttdeci">PACK_STRUCT_BEGIN struct ip6_addr_packed PACK_STRUCT_STRUCT</div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4c14294869aceba3ef9d4c0c302d0f33"><div class="ttname"><a href="../../de/d8c/group__compiler__abstraction.html#ga4c14294869aceba3ef9d4c0c302d0f33">u32_t</a></div><div class="ttdeci">uint32_t u32_t</div><div class="ttdef"><b>Definition:</b> <a href="../../d2/d2d/arch_8h_source.html#l00126">arch.h:126</a></div></div>
<div class="ttc" id="astructip6__addr__packed_html"><div class="ttname"><a href="../../dc/dd5/structip6__addr__packed.html">ip6_addr_packed</a></div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00053">ip6.h:53</a></div></div>
<div class="ttc" id="astructip6__hbh__hdr_html_a555a70b055779d096f51d359860ca93f"><div class="ttname"><a href="../../d0/d86/structip6__hbh__hdr.html#a555a70b055779d096f51d359860ca93f">ip6_hbh_hdr::PACK_STRUCT_FLD_8</a></div><div class="ttdeci">PACK_STRUCT_FLD_8(u8_t _nexth)</div></div>
<div class="ttc" id="astructip6__hbh__hdr_html_a5dff82e0d8756b04febd936e23b989da"><div class="ttname"><a href="../../d0/d86/structip6__hbh__hdr.html#a5dff82e0d8756b04febd936e23b989da">ip6_hbh_hdr::PACK_STRUCT_FIELD</a></div><div class="ttdeci">PACK_STRUCT_FIELD(u16_t _ra_opt_data)</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_a560932a657f17ec5a0a3a78a1ce7e60a"><div class="ttname"><a href="../../de/d63/prot_2ip6_8h.html#a560932a657f17ec5a0a3a78a1ce7e60a">ip6_addr_p_t</a></div><div class="ttdeci">typedefPACK_STRUCT_END struct ip6_addr_packed ip6_addr_p_t</div><div class="ttdef"><b>Definition:</b> <a href="../../de/d63/prot_2ip6_8h_source.html#l00060">ip6.h:60</a></div></div>
<div class="ttc" id="acc_8h_html_a73199061891adf1b912d20835c7d5e96"><div class="ttname"><a href="../../dc/df0/cc_8h.html#a73199061891adf1b912d20835c7d5e96">PACK_STRUCT_BEGIN</a></div><div class="ttdeci">#define PACK_STRUCT_BEGIN</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/df0/cc_8h_source.html#l00008">cc.h:8</a></div></div>
<div class="ttc" id="astructip6__hdr_html_ac6e6140bc60cc977c547fe1edf51bc66"><div class="ttname"><a href="../../d2/d9c/structip6__hdr.html#ac6e6140bc60cc977c547fe1edf51bc66">ip6_hdr::PACK_STRUCT_FIELD</a></div><div class="ttdeci">PACK_STRUCT_FIELD(u32_t _v_tc_fl)</div></div>
<div class="ttc" id="astructip6__hdr_html_a5a575c55ef0ba5454a4b2930cfc10733"><div class="ttname"><a href="../../d2/d9c/structip6__hdr.html#a5a575c55ef0ba5454a4b2930cfc10733">ip6_hdr::PACK_STRUCT_FLD_S</a></div><div class="ttdeci">PACK_STRUCT_FLD_S(ip6_addr_p_t src)</div></div>
<div class="ttc" id="astructip6__addr__packed_html_a9d7cd2a55e5e416dec8a98f4cd495a55"><div class="ttname"><a href="../../dc/dd5/structip6__addr__packed.html#a9d7cd2a55e5e416dec8a98f4cd495a55">ip6_addr_packed::PACK_STRUCT_FIELD</a></div><div class="ttdeci">PACK_STRUCT_FIELD(u32_t addr[4])</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="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="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="acc_8h_html_a465fef70f294e21cbf4ea51fc342f20e"><div class="ttname"><a href="../../dc/df0/cc_8h.html#a465fef70f294e21cbf4ea51fc342f20e">PACK_STRUCT_END</a></div><div class="ttdeci">#define PACK_STRUCT_END</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/df0/cc_8h_source.html#l00009">cc.h:9</a></div></div>
<div class="ttc" id="astructip6__frag__hdr_html_a623f3b24b23b28e1509c810e7a1d4711"><div class="ttname"><a href="../../db/d44/structip6__frag__hdr.html#a623f3b24b23b28e1509c810e7a1d4711">ip6_frag_hdr::PACK_STRUCT_FIELD</a></div><div class="ttdeci">PACK_STRUCT_FIELD(u16_t _fragment_offset)</div></div>
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