199 lines
8.3 KiB
HTML
199 lines
8.3 KiB
HTML
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<div id="projectname">lwIP
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 <span id="projectnumber">2.1.2</span>
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<div id="projectbrief">Lightweight IP stack</div>
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<a href="#func-members">Functions</a> </div>
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<div class="title">FDB example code<div class="ingroups"><a class="el" href="group__netifs.html">NETIFs</a> » <a class="el" href="group__bridgeif.html">IEEE 802.1D bridge</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:gad912bfd3ce8e24d0eb48b7dc9de07c39"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__bridgeif__fdb.html#gad912bfd3ce8e24d0eb48b7dc9de07c39">bridgeif_fdb_update_src</a> (void *fdb_ptr, struct <a class="el" href="structeth__addr.html">eth_addr</a> *src_addr, u8_t port_idx)</td></tr>
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<tr class="separator:gad912bfd3ce8e24d0eb48b7dc9de07c39"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga616fb7404be5da79d8092b4a14976750"><td class="memItemLeft" align="right" valign="top">bridgeif_portmask_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__bridgeif__fdb.html#ga616fb7404be5da79d8092b4a14976750">bridgeif_fdb_get_dst_ports</a> (void *fdb_ptr, struct <a class="el" href="structeth__addr.html">eth_addr</a> *dst_addr)</td></tr>
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<tr class="separator:ga616fb7404be5da79d8092b4a14976750"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaf7935226ee7f99f964bf0135b6cb9ca0"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__bridgeif__fdb.html#gaf7935226ee7f99f964bf0135b6cb9ca0">bridgeif_fdb_init</a> (u16_t max_fdb_entries)</td></tr>
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<tr class="separator:gaf7935226ee7f99f964bf0135b6cb9ca0"><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>This file implements an example for an FDB (Forwarding DataBase) </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="ga616fb7404be5da79d8092b4a14976750"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga616fb7404be5da79d8092b4a14976750">◆ </a></span>bridgeif_fdb_get_dst_ports()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">bridgeif_portmask_t bridgeif_fdb_get_dst_ports </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>fdb_ptr</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="structeth__addr.html">eth_addr</a> * </td>
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<td class="paramname"><em>dst_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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</tr>
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</table>
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</div><div class="memdoc">
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<p>Walk our list of auto-learnt fdb entries and return a port to forward or BR_FLOOD if unknown </p>
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</div>
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</div>
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<a id="gaf7935226ee7f99f964bf0135b6cb9ca0"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaf7935226ee7f99f964bf0135b6cb9ca0">◆ </a></span>bridgeif_fdb_init()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">void* bridgeif_fdb_init </td>
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<td>(</td>
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<td class="paramtype">u16_t </td>
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<td class="paramname"><em>max_fdb_entries</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p>Init our simple fdb list </p>
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</div>
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</div>
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<a id="gad912bfd3ce8e24d0eb48b7dc9de07c39"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gad912bfd3ce8e24d0eb48b7dc9de07c39">◆ </a></span>bridgeif_fdb_update_src()</h2>
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<div class="memitem">
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<table class="memname">
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<td class="memname">void bridgeif_fdb_update_src </td>
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<td>(</td>
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<td class="paramtype">void * </td>
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<td class="paramname"><em>fdb_ptr</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="structeth__addr.html">eth_addr</a> * </td>
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<td class="paramname"><em>src_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">u8_t </td>
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<td class="paramname"><em>port_idx</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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</tr>
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</table>
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</div><div class="memdoc">
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<p>A real simple and slow implementation of an auto-learning forwarding database that remembers known src mac addresses to know which port to send frames destined for that mac address.</p>
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<p>ATTENTION: This is meant as an example only, in real-world use, you should provide a better implementation :-) </p>
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