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<div class="title">PBUF<div class="ingroups"><a class="el" href="../../d9/de2/group__lwip__opts.html">Options (lwipopts.h)</a></div></div> </div>
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Collaboration diagram for PBUF:</div>
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<map name="da_2da2_2group____lwip____opts____pbuf" id="da_2da2_2group____lwip____opts____pbuf">
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Macros</h2></td></tr>
<tr class="memitem:ga6e1ba1875ae5168a17b53d83597bc1de"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga6e1ba1875ae5168a17b53d83597bc1de">PBUF_LINK_ENCAPSULATION_HLEN</a>   0u</td></tr>
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<tr class="memitem:ga35998a3d56af9940e6a80bb372597685"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga35998a3d56af9940e6a80bb372597685">PBUF_LINK_HLEN</a>   (14 + <a class="el" href="../../dc/d98/group__lwip__opts__arp.html#gad7fa3b356ca7e603e848b069c4cc6276">ETH_PAD_SIZE</a>)</td></tr>
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<tr class="memitem:gae61f4491d56e805e79b79eb5d35a00e5"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#gae61f4491d56e805e79b79eb5d35a00e5">PBUF_POOL_BUFSIZE</a>   <a class="el" href="../../de/d8c/group__compiler__abstraction.html#gaef204be511fd32f681b55abc08e9ae18">LWIP_MEM_ALIGN_SIZE</a>(<a class="el" href="../../dd/da6/group__lwip__opts__tcp.html#gaf1ab7bb27860aa3677c387a2f3ba317b">TCP_MSS</a>+40+<a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga6e1ba1875ae5168a17b53d83597bc1de">PBUF_LINK_ENCAPSULATION_HLEN</a>+<a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga35998a3d56af9940e6a80bb372597685">PBUF_LINK_HLEN</a>)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6e1ba1875ae5168a17b53d83597bc1de">◆ </a></span>PBUF_LINK_ENCAPSULATION_HLEN</h2>
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<td class="memname">#define PBUF_LINK_ENCAPSULATION_HLEN   0u</td>
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<p>PBUF_LINK_ENCAPSULATION_HLEN: the number of bytes that should be allocated for an additional encapsulation header before ethernet headers (e.g. 802.11) </p>
<p class="definition">Definition at line <a class="el" href="../../dc/dba/opt_8h_source.html#l01323">1323</a> of file <a class="el" href="../../dc/dba/opt_8h_source.html">opt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga35998a3d56af9940e6a80bb372597685">◆ </a></span>PBUF_LINK_HLEN</h2>
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<td class="memname">#define PBUF_LINK_HLEN   (14 + <a class="el" href="../../dc/d98/group__lwip__opts__arp.html#gad7fa3b356ca7e603e848b069c4cc6276">ETH_PAD_SIZE</a>)</td>
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<p>PBUF_LINK_HLEN: the number of bytes that should be allocated for a link level header. The default is 14, the standard value for Ethernet. </p>
<p class="definition">Definition at line <a class="el" href="../../dc/dba/opt_8h_source.html#l01314">1314</a> of file <a class="el" href="../../dc/dba/opt_8h_source.html">opt.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#gae61f4491d56e805e79b79eb5d35a00e5">◆ </a></span>PBUF_POOL_BUFSIZE</h2>
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<td class="memname">#define PBUF_POOL_BUFSIZE   <a class="el" href="../../de/d8c/group__compiler__abstraction.html#gaef204be511fd32f681b55abc08e9ae18">LWIP_MEM_ALIGN_SIZE</a>(<a class="el" href="../../dd/da6/group__lwip__opts__tcp.html#gaf1ab7bb27860aa3677c387a2f3ba317b">TCP_MSS</a>+40+<a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga6e1ba1875ae5168a17b53d83597bc1de">PBUF_LINK_ENCAPSULATION_HLEN</a>+<a class="el" href="../../da/da2/group__lwip__opts__pbuf.html#ga35998a3d56af9940e6a80bb372597685">PBUF_LINK_HLEN</a>)</td>
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<p>PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. The default is designed to accommodate single full size TCP frame in one pbuf, including TCP_MSS, IP header, and link header. </p>
<p class="definition">Definition at line <a class="el" href="../../dc/dba/opt_8h_source.html#l01332">1332</a> of file <a class="el" href="../../dc/dba/opt_8h_source.html">opt.h</a>.</p>
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