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|  <span id="projectnumber">2.1.2</span> |
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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="tcp__priv_8h.html">lwip/priv/tcp_priv.h</a>"</code><br /> |
| <code>#include "<a class="el" href="def_8h.html">lwip/def.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="netif_8h.html">lwip/netif.h</a>"</code><br /> |
| <code>#include "<a class="el" href="mem_8h.html">lwip/mem.h</a>"</code><br /> |
| <code>#include "<a class="el" href="memp_8h.html">lwip/memp.h</a>"</code><br /> |
| <code>#include "<a class="el" href="inet__chksum_8h.html">lwip/inet_chksum.h</a>"</code><br /> |
| <code>#include "<a class="el" href="stats_8h.html">lwip/stats.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip6_8h.html">lwip/ip6.h</a>"</code><br /> |
| <code>#include "<a class="el" href="ip6__addr_8h.html">lwip/ip6_addr.h</a>"</code><br /> |
| <code>#include "<a class="el" href="nd6_8h.html">lwip/nd6.h</a>"</code><br /> |
| <code>#include <string.h></code><br /> |
| <code>#include "path/to/my/lwip_hooks.h"</code><br /> |
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| <tr class="memitem:aea174f2c6ca4cb0ad270dd8d0faf0c84"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__in_8c.html#aea174f2c6ca4cb0ad270dd8d0faf0c84">LWIP_TCP_CALC_INITIAL_CWND</a>(mss)   ((tcpwnd_size_t)LWIP_MIN((4U * (mss)), LWIP_MAX((2U * (mss)), 4380U)))</td></tr> |
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| <tr class="memitem:ae70c3c99d9dd6b07f7e11f7ba5eedcb5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="tcp__in_8c.html#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">tcp_input</a> (struct <a class="el" href="structpbuf.html">pbuf</a> *p, struct <a class="el" href="structnetif.html">netif</a> *inp)</td></tr> |
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| <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> |
| <div class="textblock"><p>Transmission Control Protocol, incoming traffic</p> |
| <p>The input processing functions of the TCP layer.</p> |
| <p>These functions are generally called in the order (<a class="el" href="group__lwip__nosys.html#ga3c420dab0c6760df099a2d688fa42a26">ip_input()</a> ->) <a class="el" href="tcp__in_8c.html#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">tcp_input()</a> -> * tcp_process() -> tcp_receive() (-> application). </p> |
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| <h2 class="memtitle"><span class="permalink"><a href="#aea174f2c6ca4cb0ad270dd8d0faf0c84">◆ </a></span>LWIP_TCP_CALC_INITIAL_CWND</h2> |
| |
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| <td class="memname">#define LWIP_TCP_CALC_INITIAL_CWND</td> |
| <td>(</td> |
| <td class="paramtype"> </td> |
| <td class="paramname">mss</td><td>)</td> |
| <td>   ((tcpwnd_size_t)LWIP_MIN((4U * (mss)), LWIP_MAX((2U * (mss)), 4380U)))</td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>Initial CWND calculation as defined RFC 2581 </p> |
| |
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| <h2 class="memtitle"><span class="permalink"><a href="#ae70c3c99d9dd6b07f7e11f7ba5eedcb5">◆ </a></span>tcp_input()</h2> |
| |
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| <td class="memname">void tcp_input </td> |
| <td>(</td> |
| <td class="paramtype">struct <a class="el" href="structpbuf.html">pbuf</a> * </td> |
| <td class="paramname"><em>p</em>, </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"><em>inp</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>The initial input processing of TCP. It verifies the TCP header, demultiplexes the segment between the PCBs and passes it on to tcp_process(), which implements the TCP finite state machine. This function is called by the IP layer (in <a class="el" href="group__lwip__nosys.html#ga3c420dab0c6760df099a2d688fa42a26">ip_input()</a>).</p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramname">p</td><td>received TCP segment to process (p->payload pointing to the TCP header) </td></tr> |
| <tr><td class="paramname">inp</td><td>network interface on which this segment was received </td></tr> |
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