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| <div class="headertitle"><div class="title">ip4_frag.h File Reference</div></div> |
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| <div class="textblock"><code>#include "<a class="el" href="opt_8h.html">lwip/opt.h</a>"</code><br /> |
| <code>#include "<a class="el" href="err_8h.html">lwip/err.h</a>"</code><br /> |
| <code>#include "<a class="el" href="pbuf_8h.html">lwip/pbuf.h</a>"</code><br /> |
| <code>#include "<a class="el" href="netif_8h.html">lwip/netif.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip__addr_8h.html">lwip/ip_addr.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip_8h.html">lwip/ip.h</a>"</code><br /> |
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| Data Structures</h2></td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structip__reassdata.html">ip_reassdata</a></td></tr> |
| <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structpbuf__custom__ref.html">pbuf_custom_ref</a></td></tr> |
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| Functions</h2></td></tr> |
| <tr class="memitem:abc7017eb20983f372e81de7376ebec88" id="r_abc7017eb20983f372e81de7376ebec88"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="#abc7017eb20983f372e81de7376ebec88">ip_reass_tmr</a> (void)</td></tr> |
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| <tr class="memitem:aa73b0bc1e6e38c47548319af47f51052" id="r_aa73b0bc1e6e38c47548319af47f51052"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structpbuf.html">pbuf</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="#aa73b0bc1e6e38c47548319af47f51052">ip4_reass</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p)</td></tr> |
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| <tr class="memitem:a70872fd4c7aefec6b4eef0707e1a371c" id="r_a70872fd4c7aefec6b4eef0707e1a371c"><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="#a70872fd4c7aefec6b4eef0707e1a371c">ip4_frag</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p, struct <a class="el" href="structnetif.html">netif</a> *<a class="el" href="structnetif.html">netif</a>, const <a class="el" href="ip4__addr_8h.html#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *dest)</td></tr> |
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| </table> |
| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>IP fragmentation/reassembly </p> |
| </div><h2 class="groupheader">Function Documentation</h2> |
| <a id="a70872fd4c7aefec6b4eef0707e1a371c" name="a70872fd4c7aefec6b4eef0707e1a371c"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#a70872fd4c7aefec6b4eef0707e1a371c">◆ </a></span>ip4_frag()</h2> |
| |
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| <table class="memname"> |
| <tr> |
| <td class="memname"><a class="el" href="group__infrastructure__errors.html#gaf02d9da80fd66b4f986d2c53d7231ddb">err_t</a> ip4_frag </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> *</td> <td class="paramname"><span class="paramname"><em>p</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">struct <a class="el" href="structnetif.html">netif</a> *</td> <td class="paramname"><span class="paramname"><em>netif</em></span>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">const <a class="el" href="ip4__addr_8h.html#a3d3b45daffbc15d65da236e31e621b7e">ip4_addr_t</a> *</td> <td class="paramname"><span class="paramname"><em>dest</em></span> )</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Fragment an IP datagram if too large for the netif.</p> |
| <p>Chop the datagram in MTU sized chunks and send them in order by pointing PBUF_REFs into p.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">p</td><td>ip packet to send </td></tr> |
| <tr><td class="paramname">netif</td><td>the netif on which to send </td></tr> |
| <tr><td class="paramname">dest</td><td>destination ip address to which to send</td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>ERR_OK if sent successfully, err_t otherwise </dd></dl> |
| |
| </div> |
| </div> |
| <a id="aa73b0bc1e6e38c47548319af47f51052" name="aa73b0bc1e6e38c47548319af47f51052"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#aa73b0bc1e6e38c47548319af47f51052">◆ </a></span>ip4_reass()</h2> |
| |
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| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">struct <a class="el" href="structpbuf.html">pbuf</a> * ip4_reass </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> *</td> <td class="paramname"><span class="paramname"><em>p</em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Reassembles incoming IP fragments into an IP datagram.</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">p</td><td>points to a pbuf chain of the fragment </td></tr> |
| </table> |
| </dd> |
| </dl> |
| <dl class="section return"><dt>Returns</dt><dd>NULL if reassembly is incomplete, ? otherwise </dd></dl> |
| |
| </div> |
| </div> |
| <a id="abc7017eb20983f372e81de7376ebec88" name="abc7017eb20983f372e81de7376ebec88"></a> |
| <h2 class="memtitle"><span class="permalink"><a href="#abc7017eb20983f372e81de7376ebec88">◆ </a></span>ip_reass_tmr()</h2> |
| |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void ip_reass_tmr </td> |
| <td>(</td> |
| <td class="paramtype">void</td> <td class="paramname"><span class="paramname"><em></em></span></td><td>)</td> |
| <td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Reassembly timer base function for both NO_SYS == 0 and 1 (!).</p> |
| <p>Should be called every 1000 msec (defined by IP_TMR_INTERVAL). </p> |
| |
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