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<div id="projectname">lwIP
&#160;<span id="projectnumber">2.1.2</span>
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<div id="projectbrief">Lightweight IP stack</div>
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<a href="#define-members">Macros</a> &#124;
<a href="#func-members">Functions</a> </div>
<div class="headertitle">
<div class="title">MLD6<div class="ingroups"><a class="el" href="group__api.html">APIs</a> &raquo; <a class="el" href="group__callbackstyle__api.html">&quot;raw&quot; APIs</a> &raquo; <a class="el" href="group__ip.html">IP</a> &raquo; <a class="el" href="group__ip6.html">IPv6</a></div></div> </div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a>
Macros</h2></td></tr>
<tr class="memitem:ga02a2259082f22c5989a3c929be95e641"><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mld6.html#ga02a2259082f22c5989a3c929be95e641">netif_mld6_data</a>(<a class="el" href="structnetif.html">netif</a>)&#160;&#160;&#160;((struct <a class="el" href="structmld__group.html">mld_group</a> *)<a class="el" href="group__netif__cd.html#ga4bce01ddbf0fd70cb88431f773c91bc5">netif_get_client_data</a>(<a class="el" href="structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6))</td></tr>
<tr class="separator:ga02a2259082f22c5989a3c929be95e641"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:ga53560ab6e47163e4888070830bf912a8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mld6.html#ga53560ab6e47163e4888070830bf912a8">mld6_joingroup</a> (const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *srcaddr, const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *groupaddr)</td></tr>
<tr class="separator:ga53560ab6e47163e4888070830bf912a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga2ba41d575a56d27c0af0a08fb8724940"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mld6.html#ga2ba41d575a56d27c0af0a08fb8724940">mld6_joingroup_netif</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *groupaddr)</td></tr>
<tr class="separator:ga2ba41d575a56d27c0af0a08fb8724940"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga946b830efc6fd795b07a0964dc7940e5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mld6.html#ga946b830efc6fd795b07a0964dc7940e5">mld6_leavegroup</a> (const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *srcaddr, const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *groupaddr)</td></tr>
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<tr class="memitem:gab664062a15a3ae3e05282eacf4dc0a22"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__mld6.html#gab664062a15a3ae3e05282eacf4dc0a22">mld6_leavegroup_netif</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *groupaddr)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Multicast listener discovery for IPv6. Aims to be compliant with RFC 2710. No support for MLDv2.<br />
Note: The allnodes (ff01::1, ff02::1) group is assumed be received by your netif since it must always be received for correct IPv6 operation (e.g. SLAAC). Ensure the netif filters are configured accordingly!<br />
The netif flags also need NETIF_FLAG_MLD6 flag set to enable MLD6 on a netif ("netif-&gt;flags |= NETIF_FLAG_MLD6;").<br />
To be called from TCPIP thread. </p>
<h2 class="groupheader">Macro Definition Documentation</h2>
<a id="ga02a2259082f22c5989a3c929be95e641"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga02a2259082f22c5989a3c929be95e641">&#9670;&nbsp;</a></span>netif_mld6_data</h2>
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<td class="memname">#define netif_mld6_data</td>
<td>(</td>
<td class="paramtype">&#160;</td>
<td class="paramname"><a class="el" href="structnetif.html">netif</a></td><td>)</td>
<td>&#160;&#160;&#160;((struct <a class="el" href="structmld__group.html">mld_group</a> *)<a class="el" href="group__netif__cd.html#ga4bce01ddbf0fd70cb88431f773c91bc5">netif_get_client_data</a>(<a class="el" href="structnetif.html">netif</a>, LWIP_NETIF_CLIENT_DATA_INDEX_MLD6))</td>
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<p>Get list head of MLD6 groups for netif. Note: The allnodes group IP is NOT in the list, since it must always be received for correct IPv6 operation. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__netif.html#ga97f30bb5542e4c07d3b32e3c754e104c">netif_set_mld_mac_filter()</a> </dd></dl>
</div>
</div>
<h2 class="groupheader">Function Documentation</h2>
<a id="ga53560ab6e47163e4888070830bf912a8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga53560ab6e47163e4888070830bf912a8">&#9670;&nbsp;</a></span>mld6_joingroup()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mld6_joingroup </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>srcaddr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>groupaddr</em>&#160;</td>
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<p>Join a group on one or all network interfaces.</p>
<p>If the group is to be joined on all interfaces, the given group address must not have a zone set (i.e., it must have its zone index set to IP6_NO_ZONE). If the group is to be joined on one particular interface, the given group address may or may not have a zone set.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">srcaddr</td><td>ipv6 address (zoned) of the network interface which should join a new group. If IP6_ADDR_ANY6, join on all netifs </td></tr>
<tr><td class="paramname">groupaddr</td><td>the ipv6 address of the group to join (possibly but not necessarily zoned) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if group was joined on the <a class="el" href="structnetif.html">netif(s)</a>, an err_t otherwise </dd></dl>
</div>
</div>
<a id="ga2ba41d575a56d27c0af0a08fb8724940"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga2ba41d575a56d27c0af0a08fb8724940">&#9670;&nbsp;</a></span>mld6_joingroup_netif()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mld6_joingroup_netif </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> *&#160;</td>
<td class="paramname"><em>netif</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>groupaddr</em>&#160;</td>
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<p>Join a group on a network interface.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">netif</td><td>the network interface which should join a new group. </td></tr>
<tr><td class="paramname">groupaddr</td><td>the ipv6 address of the group to join (possibly but not necessarily zoned) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if group was joined on the netif, an err_t otherwise </dd></dl>
</div>
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<a id="ga946b830efc6fd795b07a0964dc7940e5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga946b830efc6fd795b07a0964dc7940e5">&#9670;&nbsp;</a></span>mld6_leavegroup()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mld6_leavegroup </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>srcaddr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>groupaddr</em>&#160;</td>
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<p>Leave a group on a network interface.</p>
<p>Zoning of address follows the same rules as <a class="el" href="group__mld6.html#ga53560ab6e47163e4888070830bf912a8">mld6_joingroup</a>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">srcaddr</td><td>ipv6 address (zoned) of the network interface which should leave the group. If IP6_ADDR_ANY6, leave on all netifs </td></tr>
<tr><td class="paramname">groupaddr</td><td>the ipv6 address of the group to leave (possibly, but not necessarily zoned) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if group was left on the <a class="el" href="structnetif.html">netif(s)</a>, an err_t otherwise </dd></dl>
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<a id="gab664062a15a3ae3e05282eacf4dc0a22"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab664062a15a3ae3e05282eacf4dc0a22">&#9670;&nbsp;</a></span>mld6_leavegroup_netif()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> mld6_leavegroup_netif </td>
<td>(</td>
<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> *&#160;</td>
<td class="paramname"><em>netif</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="ip6__addr_8h.html#aaca9e796e93a355294c4954c08d01762">ip6_addr_t</a> *&#160;</td>
<td class="paramname"><em>groupaddr</em>&#160;</td>
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<p>Leave a group on a network interface.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">netif</td><td>the network interface which should leave the group. </td></tr>
<tr><td class="paramname">groupaddr</td><td>the ipv6 address of the group to leave (possibly, but not necessarily zoned) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>ERR_OK if group was left on the netif, an err_t otherwise </dd></dl>
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