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<div class="title">mld6.c</div> </div>
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<div class="contents">
<a href="mld6_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="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"> * Copyright (c) 2010 Inico Technologies Ltd.</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * Redistribution and use in source and binary forms, with or without modification,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</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="l00025"></a><span class="lineno"> 25</span> <span class="comment"> * derived from this software without specific prior written permission.</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"> * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</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="l00036"></a><span class="lineno"> 36</span> <span class="comment"> * OF SUCH DAMAGE.</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"> * This file is part of the lwIP TCP/IP stack.</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"> * Author: Ivan Delamer <delamer@inicotech.com></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * Please coordinate changes and requests with Ivan Delamer</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * <delamer@inicotech.com></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">/* Based on igmp.c implementation of igmp v2 protocol */</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor">#include "<a class="code" href="opt_8h.html">net/opt.h</a>"</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="preprocessor">#if LWIP_IPV6 && LWIP_IPV6_MLD </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="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="preprocessor">#include "<a class="code" href="mld6_8h.html">net/mld6.h</a>"</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">#include "<a class="code" href="prot_2mld6_8h.html">net/prot/mld6.h</a>"</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor">#include "<a class="code" href="icmp6_8h.html">net/icmp6.h</a>"</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="preprocessor">#include "<a class="code" href="ip6_8h.html">net/ip6.h</a>"</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="preprocessor">#include "<a class="code" href="ip6__addr_8h.html">net/ip6_addr.h</a>"</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="preprocessor">#include "<a class="code" href="ip_8h.html">net/ip.h</a>"</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="preprocessor">#include "<a class="code" href="inet__chksum_8h.html">net/inet_chksum.h</a>"</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="preprocessor">#include "<a class="code" href="pbuf_8h.html">net/pbuf.h</a>"</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#include "<a class="code" href="netif_8h.html">net/netif.h</a>"</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="preprocessor">#include "<a class="code" href="memp_8h.html">net/memp.h</a>"</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#include "<a class="code" href="stats_8h.html">net/stats.h</a>"</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor">#include <<a class="code" href="string_8h.html">string.h</a>></span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment"> * MLD constants</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#define MLD6_HL 1</span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor">#define MLD6_JOIN_DELAYING_MEMBER_TMR_MS (500)</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#define MLD6_GROUP_NON_MEMBER 0</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor">#define MLD6_GROUP_DELAYING_MEMBER 1</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#define MLD6_GROUP_IDLE_MEMBER 2</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="comment">/* Forward declarations. */</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">static</span> <span class="keyword">struct </span>mld_group *mld6_new_group(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *ifp, <span class="keyword">const</span> ip6_addr_t *addr);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mld6_remove_group(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">struct</span> mld_group *group);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mld6_delayed_report(<span class="keyword">struct</span> mld_group *group, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> maxresp);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">static</span> <span class="keywordtype">void</span> mld6_send(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">struct</span> mld_group *group, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> type);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> mld6_stop(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>)</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> {</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keyword">struct </span>mld_group *group = netif_mld6_data(<a class="code" href="structnetif.html">netif</a>);</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  netif_set_client_data(<a class="code" href="structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6, <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);</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="keywordflow">while</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">struct </span>mld_group *next = group->next; <span class="comment">/* avoid use-after-free below */</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="comment">/* disable the group at the MAC level */</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">if</span> (<a class="code" href="structnetif.html">netif</a>->mld_mac_filter != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <a class="code" href="structnetif.html">netif</a>->mld_mac_filter(<a class="code" href="structnetif.html">netif</a>, &(group->group_address), <a class="code" href="netif_8h.html#ab194ec4241fad8b6e9aac51e3ec23de0a7ad3406353906deb4e64ebeed349e07e">NETIF_DEL_MAC_FILTER</a>);</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</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="comment">/* free group */</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <a class="code" href="memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_MLD6_GROUP, group);</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">/* move to "next" */</span></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  group = next;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> mld6_report_groups(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>)</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> {</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">struct </span>mld_group *group = netif_mld6_data(<a class="code" href="structnetif.html">netif</a>);</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordflow">while</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  mld6_delayed_report(group, MLD6_JOIN_DELAYING_MEMBER_TMR_MS);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  group = group->next;</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>  </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">struct </span>mld_group *</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> mld6_lookfor_group(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *ifp, <span class="keyword">const</span> ip6_addr_t *addr)</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keyword">struct </span>mld_group *group = netif_mld6_data(ifp);</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">while</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">if</span> (ip6_addr_cmp(&(group->group_address), addr)) {</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> group;</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>  group = group->next;</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="keywordflow">return</span> <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="keyword">static</span> <span class="keyword">struct </span>mld_group *</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> mld6_new_group(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *ifp, <span class="keyword">const</span> ip6_addr_t *addr)</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="keyword">struct </span>mld_group *group;</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>  group = (<span class="keyword">struct </span>mld_group *)<a class="code" href="memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a>(MEMP_MLD6_GROUP);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  ip6_addr_set(&(group->group_address), addr);</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  group->timer = 0; <span class="comment">/* Not running */</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  group->group_state = MLD6_GROUP_IDLE_MEMBER;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  group->last_reporter_flag = 0;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  group->use = 0;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  group->next = netif_mld6_data(ifp);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  netif_set_client_data(ifp, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6, group);</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>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">return</span> group;</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> }</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="keyword">static</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> mld6_remove_group(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">struct</span> mld_group *group)</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err = <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="comment">/* Is it the first group? */</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (netif_mld6_data(<a class="code" href="structnetif.html">netif</a>) == group) {</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  netif_set_client_data(<a class="code" href="structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6, group-><a class="code" href="structnetif.html#ae77736b64df442242795220d76be6b86">next</a>);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="comment">/* look for group further down the list */</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keyword">struct </span>mld_group *tmpGroup;</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keywordflow">for</span> (tmpGroup = netif_mld6_data(<a class="code" href="structnetif.html">netif</a>); tmpGroup != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>; tmpGroup = tmpGroup->next) {</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordflow">if</span> (tmpGroup->next == group) {</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  tmpGroup->next = group->next;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  }</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">/* Group not find group */</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (tmpGroup == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  err = <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a>;</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  }</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  </div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span> }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> mld6_input(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *inp)</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span> {</div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keyword">struct </span><a class="code" href="structmld__header.html">mld_header</a> *mld_hdr;</div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">struct </span>mld_group *group;</div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  </div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.recv);</div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  </div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">/* Check that mld header fits in packet. */</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keywordflow">if</span> (p-><a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a> < <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structmld__header.html">mld_header</a>)) {</div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="comment">/* @todo debug message */</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <a class="code" href="group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.lenerr);</div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.drop);</div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  }</div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  mld_hdr = (<span class="keyword">struct </span><a class="code" href="structmld__header.html">mld_header</a> *)p-><a class="code" href="structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  </div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  switch (mld_hdr->type) {</div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  <span class="keywordflow">case</span> <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858ad9794ae12b9ca196cc4fafaf6d834375">ICMP6_TYPE_MLQ</a>: <span class="comment">/* Multicast listener query. */</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">/* Is it a general query? */</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  <span class="keywordflow">if</span> (ip6_addr_isallnodes_linklocal(ip6_current_dest_addr()) &&</div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  ip6_addr_isany(&(mld_hdr->multicast_address))) {</div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.rx_general);</div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="comment">/* Report all groups, except all nodes group, and if-local groups. */</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  group = netif_mld6_data(inp);</div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">while</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">if</span> ((!(ip6_addr_ismulticast_iflocal(&(group->group_address)))) &&</div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  (!(ip6_addr_isallnodes_linklocal(&(group->group_address))))) {</div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  mld6_delayed_report(group, mld_hdr->max_resp_delay);</div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  }</div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  group = group->next;</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>  }</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  <span class="comment">/* Have we joined this group?</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment"> * We use IP6 destination address to have a memory aligned copy.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment"> * mld_hdr->multicast_address should be the same. */</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.rx_group);</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  group = mld6_lookfor_group(inp, ip6_current_dest_addr());</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  <span class="keywordflow">if</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  <span class="comment">/* Schedule a report. */</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  mld6_delayed_report(group, mld_hdr->max_resp_delay);</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>  <span class="keywordflow">break</span>; <span class="comment">/* ICMP6_TYPE_MLQ */</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  <span class="keywordflow">case</span> <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0">ICMP6_TYPE_MLR</a>: <span class="comment">/* Multicast listener report. */</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="comment">/* Have we joined this group?</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="comment"> * We use IP6 destination address to have a memory aligned copy.</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="comment"> * mld_hdr->multicast_address should be the same. */</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.rx_report);</div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  group = mld6_lookfor_group(inp, ip6_current_dest_addr());</div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="keywordflow">if</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="comment">/* If we are waiting to report, cancel it. */</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="keywordflow">if</span> (group->group_state == MLD6_GROUP_DELAYING_MEMBER) {</div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  group->timer = 0; <span class="comment">/* stopped */</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  group->group_state = MLD6_GROUP_IDLE_MEMBER;</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  group->last_reporter_flag = 0;</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  }</div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  }</div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="keywordflow">break</span>; <span class="comment">/* ICMP6_TYPE_MLR */</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="keywordflow">case</span> <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a04228a1d11f9f88bd165f3430188bfe7">ICMP6_TYPE_MLD</a>: <span class="comment">/* Multicast listener done. */</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="comment">/* Do nothing, router will query us. */</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="keywordflow">break</span>; <span class="comment">/* ICMP6_TYPE_MLD */</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.proterr);</div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.drop);</div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  </div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <a class="code" href="group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</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>  </div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span> mld6_joingroup(<span class="keyword">const</span> ip6_addr_t *srcaddr, <span class="keyword">const</span> ip6_addr_t *groupaddr)</div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span> {</div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err = <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>; <span class="comment">/* no matching interface */</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="keyword">struct </span><a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>;</div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  </div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="comment">/* loop through netif's */</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <a class="code" href="structnetif.html">netif</a> = <a class="code" href="netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>;</div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keywordflow">while</span> (<a class="code" href="structnetif.html">netif</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">/* Should we join this interface ? */</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="keywordflow">if</span> (ip6_addr_isany(srcaddr) ||</div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  netif_get_ip6_addr_match(<a class="code" href="structnetif.html">netif</a>, srcaddr) >= 0) {</div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  err = mld6_joingroup_netif(<a class="code" href="structnetif.html">netif</a>, groupaddr);</div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="keywordflow">return</span> err;</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>  }</div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  </div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="comment">/* proceed to next network interface */</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <a class="code" href="structnetif.html">netif</a> = <a class="code" href="structnetif.html">netif</a>-><a class="code" href="structnetif.html#ae77736b64df442242795220d76be6b86">next</a>;</div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  }</div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  </div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span> }</div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  </div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span> mld6_joingroup_netif(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">const</span> ip6_addr_t *groupaddr)</div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span> {</div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="keyword">struct </span>mld_group *group;</div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  </div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="comment">/* find group or create a new one if not found */</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  group = mld6_lookfor_group(<a class="code" href="structnetif.html">netif</a>, groupaddr);</div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  </div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (group == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="comment">/* Joining a new group. Create a new group entry. */</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  group = mld6_new_group(<a class="code" href="structnetif.html">netif</a>, groupaddr);</div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="keywordflow">if</span> (group == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a>;</div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  }</div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  </div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="comment">/* Activate this address on the MAC layer. */</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">if</span> (<a class="code" href="structnetif.html">netif</a>->mld_mac_filter != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <a class="code" href="structnetif.html">netif</a>->mld_mac_filter(<a class="code" href="structnetif.html">netif</a>, groupaddr, <a class="code" href="netif_8h.html#ab194ec4241fad8b6e9aac51e3ec23de0a4186fbaf94be956ea1a3b02cd1cccb1f">NETIF_ADD_MAC_FILTER</a>);</div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  </div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="comment">/* Report our membership. */</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.tx_report);</div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  mld6_send(<a class="code" href="structnetif.html">netif</a>, group, <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0">ICMP6_TYPE_MLR</a>);</div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  mld6_delayed_report(group, MLD6_JOIN_DELAYING_MEMBER_TMR_MS);</div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  }</div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  </div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="comment">/* Increment group use */</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  group->use++;</div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span> }</div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  </div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span> mld6_leavegroup(<span class="keyword">const</span> ip6_addr_t *srcaddr, <span class="keyword">const</span> ip6_addr_t *groupaddr)</div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span> {</div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> err = <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>; <span class="comment">/* no matching interface */</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="keyword">struct </span><a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>;</div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  </div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="comment">/* loop through netif's */</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <a class="code" href="structnetif.html">netif</a> = <a class="code" href="netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>;</div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordflow">while</span> (<a class="code" href="structnetif.html">netif</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="comment">/* Should we leave this interface ? */</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="keywordflow">if</span> (ip6_addr_isany(srcaddr) ||</div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  netif_get_ip6_addr_match(<a class="code" href="structnetif.html">netif</a>, srcaddr) >= 0) {</div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> res = mld6_leavegroup_netif(<a class="code" href="structnetif.html">netif</a>, groupaddr);</div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="keywordflow">if</span> (err != <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>) {</div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="comment">/* Store this result if we have not yet gotten a success */</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  err = res;</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>  }</div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="comment">/* proceed to next network interface */</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <a class="code" href="structnetif.html">netif</a> = <a class="code" href="structnetif.html">netif</a>-><a class="code" href="structnetif.html#ae77736b64df442242795220d76be6b86">next</a>;</div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  }</div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  </div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="keywordflow">return</span> err;</div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span> }</div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  </div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <a class="code" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span> mld6_leavegroup_netif(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">const</span> ip6_addr_t *groupaddr)</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span> {</div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="keyword">struct </span>mld_group *group;</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  </div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="comment">/* find group */</span></div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  group = mld6_lookfor_group(<a class="code" href="structnetif.html">netif</a>, groupaddr);</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  </div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="keywordflow">if</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="comment">/* Leave if there is no other use of the group */</span></div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">if</span> (group->use <= 1) {</div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="comment">/* Remove the group from the list */</span></div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  mld6_remove_group(<a class="code" href="structnetif.html">netif</a>, group);</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">/* If we are the last reporter for this group */</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="keywordflow">if</span> (group->last_reporter_flag) {</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.tx_leave);</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  mld6_send(<a class="code" href="structnetif.html">netif</a>, group, <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a04228a1d11f9f88bd165f3430188bfe7">ICMP6_TYPE_MLD</a>);</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  }</div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  </div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="comment">/* Disable the group at the MAC level */</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> (<a class="code" href="structnetif.html">netif</a>->mld_mac_filter != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <a class="code" href="structnetif.html">netif</a>->mld_mac_filter(<a class="code" href="structnetif.html">netif</a>, groupaddr, <a class="code" href="netif_8h.html#ab194ec4241fad8b6e9aac51e3ec23de0a7ad3406353906deb4e64ebeed349e07e">NETIF_DEL_MAC_FILTER</a>);</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  }</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  </div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="comment">/* free group struct */</span></div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <a class="code" href="memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(MEMP_MLD6_GROUP, group);</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="comment">/* Decrement group use */</span></div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  group->use--;</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  }</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  </div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="comment">/* Left group */</span></div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a>;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  }</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  </div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="comment">/* Group not found */</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="keywordflow">return</span> <a class="code" href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a>;</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span> }</div>
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  </div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  </div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span> mld6_tmr(<span class="keywordtype">void</span>)</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>  <span class="keyword">struct </span><a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a> = <a class="code" href="netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a>;</div>
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  </div>
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">while</span> (<a class="code" href="structnetif.html">netif</a> != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">struct </span>mld_group *group = netif_mld6_data(<a class="code" href="structnetif.html">netif</a>);</div>
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  </div>
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">while</span> (group != <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="keywordflow">if</span> (group->timer > 0) {</div>
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  group->timer--;</div>
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="keywordflow">if</span> (group->timer == 0) {</div>
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="comment">/* If the state is MLD6_GROUP_DELAYING_MEMBER then we send a report for this group */</span></div>
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="keywordflow">if</span> (group->group_state == MLD6_GROUP_DELAYING_MEMBER) {</div>
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.tx_report);</div>
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  mld6_send(<a class="code" href="structnetif.html">netif</a>, group, <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0">ICMP6_TYPE_MLR</a>);</div>
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  group->group_state = MLD6_GROUP_IDLE_MEMBER;</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>  }</div>
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  }</div>
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  group = group->next;</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>  <a class="code" href="structnetif.html">netif</a> = <a class="code" href="structnetif.html">netif</a>-><a class="code" href="structnetif.html#ae77736b64df442242795220d76be6b86">next</a>;</div>
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  }</div>
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span> }</div>
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  </div>
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span> mld6_delayed_report(<span class="keyword">struct</span> mld_group *group, <a class="code" href="group__compiler__abstraction.html#ga77570ac4fcab86864fa1916e55676da2">u16_t</a> maxresp)</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>  <span class="comment">/* Convert maxresp from milliseconds to tmr ticks */</span></div>
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  maxresp = maxresp / MLD6_TMR_INTERVAL;</div>
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="keywordflow">if</span> (maxresp == 0) {</div>
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  maxresp = 1;</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>  </div>
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span> <span class="preprocessor">#ifdef LWIP_RAND</span></div>
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">/* Randomize maxresp. (if LWIP_RAND is supported) */</span></div>
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  maxresp = LWIP_RAND() % maxresp;</div>
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">if</span> (maxresp == 0) {</div>
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  maxresp = 1;</div>
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  }</div>
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="preprocessor">#endif </span><span class="comment">/* LWIP_RAND */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  </div>
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">/* Apply timer value if no report has been scheduled already. */</span></div>
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="keywordflow">if</span> ((group->group_state == MLD6_GROUP_IDLE_MEMBER) ||</div>
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  ((group->group_state == MLD6_GROUP_DELAYING_MEMBER) &&</div>
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  ((group->timer == 0) || (maxresp < group->timer)))) {</div>
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  group->timer = maxresp;</div>
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  group->group_state = MLD6_GROUP_DELAYING_MEMBER;</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="l00524"></a><span class="lineno"> 524</span> <span class="keyword">static</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span> mld6_send(<span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>, <span class="keyword">struct</span> mld_group *group, <a class="code" href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a> type)</div>
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span> {</div>
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="keyword">struct </span><a class="code" href="structmld__header.html">mld_header</a> *mld_hdr;</div>
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keyword">struct </span><a class="code" href="structpbuf.html">pbuf</a> *p;</div>
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="keyword">const</span> ip6_addr_t *src_addr;</div>
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  </div>
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="comment">/* Allocate a packet. Size is MLD header + IPv6 Hop-by-hop options header. */</span></div>
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  p = <a class="code" href="group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a>(<a class="code" href="group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfafcc1e506061ba69dfa142eb6b3da5f13">PBUF_IP</a>, <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structmld__header.html">mld_header</a>) + <span class="keyword">sizeof</span>(<span class="keyword">struct</span> <a class="code" href="structip6__hbh__hdr.html">ip6_hbh_hdr</a>), <a class="code" href="group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab">PBUF_RAM</a>);</div>
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="keywordflow">if</span> (p == <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {</div>
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.memerr);</div>
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  }</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="comment">/* Move to make room for Hop-by-hop options header. */</span></div>
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="keywordflow">if</span> (<a class="code" href="pbuf_8h.html#aaa17c1951cf2d207b6adfd3947d91f00">pbuf_header</a>(p, -<a class="code" href="prot_2ip6_8h.html#a3c07dfc39f03801b78ea2b5e882feaa5">IP6_HBH_HLEN</a>)) {</div>
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <a class="code" href="group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.lenerr);</div>
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">return</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>  </div>
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <span class="comment">/* Select our source address. */</span></div>
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="keywordflow">if</span> (!ip6_addr_isvalid(netif_ip6_addr_state(<a class="code" href="structnetif.html">netif</a>, 0))) {</div>
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  <span class="comment">/* This is a special case, when we are performing duplicate address detection.</span></div>
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> <span class="comment"> * We must join the multicast group, but we don't have a valid address yet. */</span></div>
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  src_addr = IP6_ADDR_ANY6;</div>
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="comment">/* Use link-local address as source address. */</span></div>
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  src_addr = netif_ip6_addr(<a class="code" href="structnetif.html">netif</a>, 0);</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">/* MLD message header pointer. */</span></div>
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  mld_hdr = (<span class="keyword">struct </span><a class="code" href="structmld__header.html">mld_header</a> *)p-><a class="code" href="structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">payload</a>;</div>
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  </div>
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">/* Set fields. */</span></div>
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  mld_hdr->type = type;</div>
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  mld_hdr->code = 0;</div>
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  mld_hdr->chksum = 0;</div>
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  mld_hdr->max_resp_delay = 0;</div>
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  mld_hdr->reserved = 0;</div>
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span>  ip6_addr_set(&(mld_hdr->multicast_address), &(group->group_address));</div>
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  </div>
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span> <span class="preprocessor">#if CHECKSUM_GEN_ICMP6</span></div>
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  <a class="code" href="netif_8h.html#ad968df1b35c2fae368e087966e3bc677">IF__NETIF_CHECKSUM_ENABLED</a>(<a class="code" href="structnetif.html">netif</a>, NETIF_CHECKSUM_GEN_ICMP6) {</div>
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  mld_hdr->chksum = ip6_chksum_pseudo(p, <a class="code" href="prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>, p-><a class="code" href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">len</a>,</div>
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  src_addr, &(group->group_address));</div>
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> <span class="preprocessor">#endif </span><span class="comment">/* CHECKSUM_GEN_ICMP6 */</span><span class="preprocessor"></span></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">/* Add hop-by-hop headers options: router alert with MLD value. */</span></div>
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  ip6_options_add_hbh_ra(p, <a class="code" href="prot_2ip6_8h.html#ab277ee09b6e7200fc1cfe28482b886a6">IP6_NEXTH_ICMP6</a>, <a class="code" href="prot_2ip6_8h.html#afb8daf0c5217efe957cd809074ca5f0b">IP6_ROUTER_ALERT_VALUE_MLD</a>);</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="keywordflow">if</span> (type == <a class="code" href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0">ICMP6_TYPE_MLR</a>) {</div>
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  <span class="comment">/* Remember we were the last to report */</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  group->last_reporter_flag = 1;</div>
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  }</div>
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  </div>
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="comment">/* Send the packet out. */</span></div>
<div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  <a class="code" href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a>(mld6.xmit);</div>
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  ip6_output_if(p, (ip6_addr_isany(src_addr)) ? <a class="code" href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> : src_addr, &(group->group_address),</div>
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  MLD6_HL, 0, <a class="code" href="prot_2ip6_8h.html#a27db49d05c2230c085c04e766267ed38">IP6_NEXTH_HOPBYHOP</a>, <a class="code" href="structnetif.html">netif</a>);</div>
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  <a class="code" href="group__pbuf.html#gab0dd696fb4b6bc65e548944584f1738b">pbuf_free</a>(p);</div>
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> }</div>
<div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  </div>
<div class="line"><a name="l00588"></a><span class="lineno"> 588</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="aprot_2ip6_8h_html_afb8daf0c5217efe957cd809074ca5f0b"><div class="ttname"><a href="prot_2ip6_8h.html#afb8daf0c5217efe957cd809074ca5f0b">IP6_ROUTER_ALERT_VALUE_MLD</a></div><div class="ttdeci">#define IP6_ROUTER_ALERT_VALUE_MLD</div><div class="ttdef"><b>Definition:</b> <a href="prot_2ip6_8h_source.html#l00103">ip6.h:103</a></div></div>
<div class="ttc" id="aopt_8h_html"><div class="ttname"><a href="opt_8h.html">opt.h</a></div></div>
<div class="ttc" id="astructpbuf_html_a6f82449625e36e294f5d210268c0703f"><div class="ttname"><a href="structpbuf.html#a6f82449625e36e294f5d210268c0703f">pbuf::len</a></div><div class="ttdeci">u16_t len</div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00159">pbuf.h:159</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0"><div class="ttname"><a href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a906dd689f0aa9b4796f49f299d4e3eb0">ICMP6_TYPE_MLR</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2icmp6_8h_source.html#l00070">icmp6.h:70</a></div></div>
<div class="ttc" id="apbuf_8h_html"><div class="ttname"><a href="pbuf_8h.html">pbuf.h</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga77570ac4fcab86864fa1916e55676da2"><div class="ttname"><a href="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="arch_8h_source.html#l00124">arch.h:124</a></div></div>
<div class="ttc" id="astring_8h_html"><div class="ttname"><a href="string_8h.html">string.h</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggaee1baa59bb2f85ba575b5a8619ac1ebfafcc1e506061ba69dfa142eb6b3da5f13"><div class="ttname"><a href="group__pbuf.html#ggaee1baa59bb2f85ba575b5a8619ac1ebfafcc1e506061ba69dfa142eb6b3da5f13">PBUF_IP</a></div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00080">pbuf.h:80</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gab0dd696fb4b6bc65e548944584f1738b"><div class="ttname"><a href="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="pbuf_8c_source.html#l00715">pbuf.c:715</a></div></div>
<div class="ttc" id="amemp_8h_html_a2b00593d086313c267b54a976bf67aa5"><div class="ttname"><a href="memp_8h.html#a2b00593d086313c267b54a976bf67aa5">memp_malloc</a></div><div class="ttdeci">void * memp_malloc(memp_t type)</div><div class="ttdef"><b>Definition:</b> <a href="memp_8c_source.html#l00385">memp.c:385</a></div></div>
<div class="ttc" id="anetif_8h_html_ab194ec4241fad8b6e9aac51e3ec23de0a7ad3406353906deb4e64ebeed349e07e"><div class="ttname"><a href="netif_8h.html#ab194ec4241fad8b6e9aac51e3ec23de0a7ad3406353906deb4e64ebeed349e07e">NETIF_DEL_MAC_FILTER</a></div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00153">netif.h:153</a></div></div>
<div class="ttc" id="amemp_8h_html_aecd94926b7c2a0e23ae195f4ae97581f"><div class="ttname"><a href="memp_8h.html#aecd94926b7c2a0e23ae195f4ae97581f">memp_free</a></div><div class="ttdeci">void memp_free(memp_t type, void *mem)</div><div class="ttdef"><b>Definition:</b> <a href="memp_8c_source.html#l00469">memp.c:469</a></div></div>
<div class="ttc" id="anetif_8h_html_ad968df1b35c2fae368e087966e3bc677"><div class="ttname"><a href="netif_8h.html#ad968df1b35c2fae368e087966e3bc677">IF__NETIF_CHECKSUM_ENABLED</a></div><div class="ttdeci">#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag)</div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00357">netif.h:357</a></div></div>
<div class="ttc" id="anetif_8h_html_ab194ec4241fad8b6e9aac51e3ec23de0a4186fbaf94be956ea1a3b02cd1cccb1f"><div class="ttname"><a href="netif_8h.html#ab194ec4241fad8b6e9aac51e3ec23de0a4186fbaf94be956ea1a3b02cd1cccb1f">NETIF_ADD_MAC_FILTER</a></div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00155">netif.h:155</a></div></div>
<div class="ttc" id="astats_8h_html"><div class="ttname"><a href="stats_8h.html">stats.h</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaaaeafdbf3aecc46864daa3cd829c7e05">ERR_MEM</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00065">err.h:65</a></div></div>
<div class="ttc" id="aicmp6_8h_html"><div class="ttname"><a href="icmp6_8h.html">icmp6.h</a></div></div>
<div class="ttc" id="anetif_8h_html"><div class="ttname"><a href="netif_8h.html">netif.h</a></div></div>
<div class="ttc" id="amld6_8h_html"><div class="ttname"><a href="mld6_8h.html">mld6.h</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a3c07dfc39f03801b78ea2b5e882feaa5"><div class="ttname"><a href="prot_2ip6_8h.html#a3c07dfc39f03801b78ea2b5e882feaa5">IP6_HBH_HLEN</a></div><div class="ttdeci">#define IP6_HBH_HLEN</div><div class="ttdef"><b>Definition:</b> <a href="prot_2ip6_8h_source.html#l00099">ip6.h:99</a></div></div>
<div class="ttc" id="agroup__pbuf_html_gacfcb0a2af918658ba0afe36499c65f47"><div class="ttname"><a href="group__pbuf.html#gacfcb0a2af918658ba0afe36499c65f47">pbuf_alloc</a></div><div class="ttdeci">struct pbuf * pbuf_alloc(pbuf_layer l, u16_t length, pbuf_type type)</div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8c_source.html#l00248">pbuf.c:248</a></div></div>
<div class="ttc" id="agroup__compiler__abstraction_html_ga4caecabca98b43919dd11be1c0d4cd8e"><div class="ttname"><a href="group__compiler__abstraction.html#ga4caecabca98b43919dd11be1c0d4cd8e">u8_t</a></div><div class="ttdeci">uint8_t u8_t</div><div class="ttdef"><b>Definition:</b> <a href="arch_8h_source.html#l00122">arch.h:122</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_a27db49d05c2230c085c04e766267ed38"><div class="ttname"><a href="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="prot_2ip6_8h_source.html#l00064">ip6.h:64</a></div></div>
<div class="ttc" id="aprot_2ip6_8h_html_ab277ee09b6e7200fc1cfe28482b886a6"><div class="ttname"><a href="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="prot_2ip6_8h_source.html#l00070">ip6.h:70</a></div></div>
<div class="ttc" id="astructnetif_html"><div class="ttname"><a href="structnetif.html">netif</a></div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00233">netif.h:233</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcab508ce0ebdf3ca735208b00a80a45c91">ERR_ARG</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00096">err.h:96</a></div></div>
<div class="ttc" id="astructnetif_html_ae77736b64df442242795220d76be6b86"><div class="ttname"><a href="structnetif.html#ae77736b64df442242795220d76be6b86">netif::next</a></div><div class="ttdeci">struct netif * next</div><div class="ttdef"><b>Definition:</b> <a href="netif_8h_source.html#l00235">netif.h:235</a></div></div>
<div class="ttc" id="astructmld__header_html"><div class="ttname"><a href="structmld__header.html">mld_header</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2mld6_8h_source.html#l00052">mld6.h:52</a></div></div>
<div class="ttc" id="agroup__pbuf_html_ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab"><div class="ttname"><a href="group__pbuf.html#ggab7e0e32fcc292c0d7107721766ed92fbac5e9f28455bca98944a030d4b84ecfab">PBUF_RAM</a></div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00108">pbuf.h:108</a></div></div>
<div class="ttc" id="anetif_8h_html_a1c8141eaa98f6dc6dfddbb23a706656c"><div class="ttname"><a href="netif_8h.html#a1c8141eaa98f6dc6dfddbb23a706656c">netif_list</a></div><div class="ttdeci">struct netif * netif_list</div><div class="ttdef"><b>Definition:</b> <a href="netif_8c_source.html#l00104">netif.c:104</a></div></div>
<div class="ttc" id="astats_8h_html_a0cbb73791354db59a64c6d0300e3b4cb"><div class="ttname"><a href="stats_8h.html#a0cbb73791354db59a64c6d0300e3b4cb">MLD6_STATS_INC</a></div><div class="ttdeci">#define MLD6_STATS_INC(x)</div><div class="ttdef"><b>Definition:</b> <a href="stats_8h_source.html#l00452">stats.h:452</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa26c163b80b1f6786ca81dadc14b00fb">ERR_OK</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00063">err.h:63</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_gaf02d9da80fd66b4f986d2c53d7231ddb"><div class="ttname"><a href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a></div><div class="ttdeci">s8_t err_t</div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00057">err.h:57</a></div></div>
<div class="ttc" id="aip_8h_html"><div class="ttname"><a href="ip_8h.html">ip.h</a></div></div>
<div class="ttc" id="aip6__addr_8h_html"><div class="ttname"><a href="ip6__addr_8h.html">ip6_addr.h</a></div></div>
<div class="ttc" id="astructip6__hbh__hdr_html"><div class="ttname"><a href="structip6__hbh__hdr.html">ip6_hbh_hdr</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2ip6_8h_source.html#l00108">ip6.h:108</a></div></div>
<div class="ttc" id="amemp_8h_html"><div class="ttname"><a href="memp_8h.html">memp.h</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_a6e10428d8f6102013b30013065716858a04228a1d11f9f88bd165f3430188bfe7"><div class="ttname"><a href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858a04228a1d11f9f88bd165f3430188bfe7">ICMP6_TYPE_MLD</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2icmp6_8h_source.html#l00072">icmp6.h:72</a></div></div>
<div class="ttc" id="agroup__infrastructure__errors_html_ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd"><div class="ttname"><a href="group__infrastructure__errors.html#ggae2e66c7d13afc90ffecd6151680fbadcaa9a1c5a6fdeed0aad7fe41d538482bbd">ERR_VAL</a></div><div class="ttdef"><b>Definition:</b> <a href="err_8h_source.html#l00075">err.h:75</a></div></div>
<div class="ttc" id="astructpbuf_html"><div class="ttname"><a href="structpbuf.html">pbuf</a></div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00142">pbuf.h:142</a></div></div>
<div class="ttc" id="aip6_8h_html"><div class="ttname"><a href="ip6_8h.html">ip6.h</a></div></div>
<div class="ttc" id="aprot_2mld6_8h_html"><div class="ttname"><a href="prot_2mld6_8h.html">mld6.h</a></div></div>
<div class="ttc" id="aprot_2icmp6_8h_html_a6e10428d8f6102013b30013065716858ad9794ae12b9ca196cc4fafaf6d834375"><div class="ttname"><a href="prot_2icmp6_8h.html#a6e10428d8f6102013b30013065716858ad9794ae12b9ca196cc4fafaf6d834375">ICMP6_TYPE_MLQ</a></div><div class="ttdef"><b>Definition:</b> <a href="prot_2icmp6_8h_source.html#l00068">icmp6.h:68</a></div></div>
<div class="ttc" id="ainet__chksum_8h_html"><div class="ttname"><a href="inet__chksum_8h.html">inet_chksum.h</a></div></div>
<div class="ttc" id="apbuf_8h_html_aaa17c1951cf2d207b6adfd3947d91f00"><div class="ttname"><a href="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="pbuf_8c_source.html#l00665">pbuf.c:665</a></div></div>
<div class="ttc" id="astructpbuf_html_a8d32dc3e964369d4eec638fc37fbc460"><div class="ttname"><a href="structpbuf.html#a8d32dc3e964369d4eec638fc37fbc460">pbuf::payload</a></div><div class="ttdeci">void * payload</div><div class="ttdef"><b>Definition:</b> <a href="pbuf_8h_source.html#l00147">pbuf.h:147</a></div></div>
<div class="ttc" id="afat__string_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="fat__string_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="fat__string_8h_source.html#l00017">fat_string.h:17</a></div></div>
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