346 lines
17 KiB
HTML
346 lines
17 KiB
HTML
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<div id="projectname">lwIP
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 <span id="projectnumber">2.2.1</span>
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</div>
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<div id="projectbrief">Lightweight IP stack</div>
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</td>
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<div class="header">
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<div class="summary">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">ACD<div class="ingroups"><a class="el" href="group__api.html">APIs</a> » <a class="el" href="group__callbackstyle__api.html">"raw" APIs</a> » <a class="el" href="group__ip.html">IP</a> » <a class="el" href="group__ip4.html">IPv4</a></div></div> </div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga158856bf139cb2761837ddfa07303bdc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga158856bf139cb2761837ddfa07303bdc">acd_add</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, struct <a class="el" href="structacd.html">acd</a> *<a class="el" href="structacd.html">acd</a>, <a class="el" href="acd_8h.html#abb446404752f56b028eafa8302db955f">acd_conflict_callback_t</a> acd_conflict_callback)</td></tr>
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<tr class="separator:ga158856bf139cb2761837ddfa07303bdc"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga70503696bca25e1cfb61fad38b4327da"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga70503696bca25e1cfb61fad38b4327da">acd_remove</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, struct <a class="el" href="structacd.html">acd</a> *<a class="el" href="structacd.html">acd</a>)</td></tr>
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<tr class="separator:ga70503696bca25e1cfb61fad38b4327da"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2ca2e2dbb9713f90515d443dc691b5cb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga2ca2e2dbb9713f90515d443dc691b5cb">acd_start</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, struct <a class="el" href="structacd.html">acd</a> *<a class="el" href="structacd.html">acd</a>, <a class="el" href="ip4__addr_8h.html#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> ipaddr)</td></tr>
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<tr class="separator:ga2ca2e2dbb9713f90515d443dc691b5cb"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga36da2b23951a14ca3c92f5e78db2f1b7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga36da2b23951a14ca3c92f5e78db2f1b7">acd_stop</a> (struct <a class="el" href="structacd.html">acd</a> *<a class="el" href="structacd.html">acd</a>)</td></tr>
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<tr class="separator:ga36da2b23951a14ca3c92f5e78db2f1b7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2872fa375f9cd8f5b095639d652f6bff"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga2872fa375f9cd8f5b095639d652f6bff">acd_network_changed_link_down</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>)</td></tr>
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<tr class="separator:ga2872fa375f9cd8f5b095639d652f6bff"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga18b444f6fc69325416b463208a754c97"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__acd.html#ga18b444f6fc69325416b463208a754c97">acd_netif_ip_addr_changed</a> (struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, const <a class="el" href="group__ipaddr.html#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *old_addr, const <a class="el" href="group__ipaddr.html#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> *new_addr)</td></tr>
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<tr class="separator:ga18b444f6fc69325416b463208a754c97"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
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<p>ACD related functions USAGE:</p>
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<p>define <a class="el" href="group__lwip__opts__acd.html#ga6f1667866335cad3a7b1221bd0b274e7">LWIP_ACD</a> 1 in your lwipopts.h Options: ACD_TMR_INTERVAL msecs, I recommend a value of 100. The value must divide 1000 with a remainder almost 0. Possible values are 1000, 500, 333, 250, 200, 166, 142, 125, 111, 100 ....</p>
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<p>For fixed IP:</p><ul>
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<li>call acd_start after selecting an IP address. The caller will be informed on conflict status via the callback function.</li>
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</ul>
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<p>With AUTOIP:</p><ul>
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<li>will be called from the autoip module. No extra's needed.</li>
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</ul>
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<p>With DHCP:</p><ul>
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<li>enable LWIP_DHCP_DOES_ACD_CHECK. Then it will be called from the dhcp module. No extra's needed. </li>
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</ul>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga158856bf139cb2761837ddfa07303bdc"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga158856bf139cb2761837ddfa07303bdc">◆ </a></span>acd_add()</h2>
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<table class="memname">
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> acd_add </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td>
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<td class="paramname"><em>netif</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">struct <a class="el" href="structacd.html">acd</a> * </td>
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<td class="paramname"><em>acd</em>, </td>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="acd_8h.html#abb446404752f56b028eafa8302db955f">acd_conflict_callback_t</a> </td>
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<td class="paramname"><em>acd_conflict_callback</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Add ACD client to the client list and initialize callback function</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">netif</td><td>network interface on which to start the acd client </td></tr>
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<tr><td class="paramname">acd</td><td>acd module to be added to the list </td></tr>
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<tr><td class="paramname">acd_conflict_callback</td><td>callback to be called when conflict information is available </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga18b444f6fc69325416b463208a754c97"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga18b444f6fc69325416b463208a754c97">◆ </a></span>acd_netif_ip_addr_changed()</h2>
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<td class="memname">void acd_netif_ip_addr_changed </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td>
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<td class="paramname"><em>netif</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__ipaddr.html#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> * </td>
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<td class="paramname"><em>old_addr</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="group__ipaddr.html#ga335a8c9df66319e88a1a529047ce0a1e">ip_addr_t</a> * </td>
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<td class="paramname"><em>new_addr</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p>Inform the ACD modules of address changes</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">netif</td><td>network interface on which the address is changing </td></tr>
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<tr><td class="paramname">old_addr</td><td>old ip address </td></tr>
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<tr><td class="paramname">new_addr</td><td>new ip address </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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<a id="ga2872fa375f9cd8f5b095639d652f6bff"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2872fa375f9cd8f5b095639d652f6bff">◆ </a></span>acd_network_changed_link_down()</h2>
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<td class="memname">void acd_network_changed_link_down </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td>
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<td class="paramname"><em>netif</em></td><td>)</td>
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<td></td>
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</table>
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</div><div class="memdoc">
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<p>Inform the ACD modules when the link goes down</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">netif</td><td>network interface on which to inform the ACD clients </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga70503696bca25e1cfb61fad38b4327da"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga70503696bca25e1cfb61fad38b4327da">◆ </a></span>acd_remove()</h2>
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<td class="memname">void acd_remove </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td>
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<td class="paramname"><em>netif</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">struct <a class="el" href="structacd.html">acd</a> * </td>
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<td class="paramname"><em>acd</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</div><div class="memdoc">
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<p>Remove ACD client from the client list</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">netif</td><td>network interface from which to remove the acd client </td></tr>
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<tr><td class="paramname">acd</td><td>acd module to be removed from the list </td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga2ca2e2dbb9713f90515d443dc691b5cb"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2ca2e2dbb9713f90515d443dc691b5cb">◆ </a></span>acd_start()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> acd_start </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> * </td>
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<td class="paramname"><em>netif</em>, </td>
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</tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">struct <a class="el" href="structacd.html">acd</a> * </td>
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<td class="paramname"><em>acd</em>, </td>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="ip4__addr_8h.html#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> </td>
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<td class="paramname"><em>ipaddr</em> </td>
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</tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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<p>Start ACD client</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">netif</td><td>network interface on which to start the acd client </td></tr>
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<tr><td class="paramname">acd</td><td>acd module to start </td></tr>
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<tr><td class="paramname">ipaddr</td><td>ip address to perform acd on </td></tr>
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</table>
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</dd>
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</dl>
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<a id="ga36da2b23951a14ca3c92f5e78db2f1b7"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga36da2b23951a14ca3c92f5e78db2f1b7">◆ </a></span>acd_stop()</h2>
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<td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> acd_stop </td>
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<td>(</td>
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<td class="paramtype">struct <a class="el" href="structacd.html">acd</a> * </td>
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<td class="paramname"><em>acd</em></td><td>)</td>
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</div><div class="memdoc">
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<p>Stop ACD client</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramname">acd</td><td>acd module to stop </td></tr>
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