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<h1>tcpip.c</h1><a href="tcpip_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2001, Swedish Institute of Computer Science.</span>
<a name="l00003"></a>00003 <span class="comment"> * All rights reserved. </span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Redistribution and use in source and binary forms, with or without </span>
<a name="l00006"></a>00006 <span class="comment"> * modification, are permitted provided that the following conditions </span>
<a name="l00007"></a>00007 <span class="comment"> * are met: </span>
<a name="l00008"></a>00008 <span class="comment"> * 1. Redistributions of source code must retain the above copyright </span>
<a name="l00009"></a>00009 <span class="comment"> *    notice, this list of conditions and the following disclaimer. </span>
<a name="l00010"></a>00010 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright </span>
<a name="l00011"></a>00011 <span class="comment"> *    notice, this list of conditions and the following disclaimer in the </span>
<a name="l00012"></a>00012 <span class="comment"> *    documentation and/or other materials provided with the distribution. </span>
<a name="l00013"></a>00013 <span class="comment"> * 3. Neither the name of the Institute nor the names of its contributors </span>
<a name="l00014"></a>00014 <span class="comment"> *    may be used to endorse or promote products derived from this software </span>
<a name="l00015"></a>00015 <span class="comment"> *    without specific prior written permission. </span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND </span>
<a name="l00018"></a>00018 <span class="comment"> * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE </span>
<a name="l00019"></a>00019 <span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE </span>
<a name="l00020"></a>00020 <span class="comment"> * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE </span>
<a name="l00021"></a>00021 <span class="comment"> * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL </span>
<a name="l00022"></a>00022 <span class="comment"> * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS </span>
<a name="l00023"></a>00023 <span class="comment"> * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) </span>
<a name="l00024"></a>00024 <span class="comment"> * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT </span>
<a name="l00025"></a>00025 <span class="comment"> * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY </span>
<a name="l00026"></a>00026 <span class="comment"> * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF </span>
<a name="l00027"></a>00027 <span class="comment"> * SUCH DAMAGE. </span>
<a name="l00028"></a>00028 <span class="comment"> *</span>
<a name="l00029"></a>00029 <span class="comment"> * This file is part of the lwIP TCP/IP stack.</span>
<a name="l00030"></a>00030 <span class="comment"> * </span>
<a name="l00031"></a>00031 <span class="comment"> * Author: Adam Dunkels &lt;adam@sics.se&gt;</span>
<a name="l00032"></a>00032 <span class="comment"> *</span>
<a name="l00033"></a>00033 <span class="comment"> * $Id: tcpip_8c-source.html 88 2016-01-12 00:11:29Z reddawg $</span>
<a name="l00034"></a>00034 <span class="comment"> */</span>
<a name="l00035"></a>00035 
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;<a class="code" href="exec_8h.html">ubixos/exec.h</a>&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include &lt;<a class="code" href="kmalloc_8h.html">lib/kmalloc.h</a>&gt;</span>
<a name="l00038"></a>00038 
<a name="l00039"></a>00039 <span class="preprocessor">#include "<a class="code" href="debug_8h.html">net/debug.h</a>"</span>
<a name="l00040"></a>00040 
<a name="l00041"></a>00041 <span class="preprocessor">#include "<a class="code" href="opt_8h.html">net/opt.h</a>"</span>
<a name="l00042"></a>00042 
<a name="l00043"></a>00043 <span class="preprocessor">#include "<a class="code" href="sys_8h.html">net/sys.h</a>"</span>
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 <span class="preprocessor">#include "<a class="code" href="memp_8h.html">net/memp.h</a>"</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include "<a class="code" href="pbuf_8h.html">net/pbuf.h</a>"</span>
<a name="l00047"></a>00047 
<a name="l00048"></a>00048 <span class="preprocessor">#include "<a class="code" href="ipv4_2ip_8h.html">net/ipv4/ip.h</a>"</span>
<a name="l00049"></a>00049 <span class="preprocessor">#include "<a class="code" href="udp_8h.html">net/udp.h</a>"</span>
<a name="l00050"></a>00050 <span class="preprocessor">#include "<a class="code" href="tcp_8h.html">net/tcp.h</a>"</span>
<a name="l00051"></a>00051 
<a name="l00052"></a>00052 <span class="preprocessor">#include "<a class="code" href="tcpip_8h.html">net/tcpip.h</a>"</span>
<a name="l00053"></a>00053 
<a name="l00054"></a><a class="code" href="tcpip_8c.html#696c6d03effd7dbc7615f2b7758b3ce2">00054</a> <span class="keyword">static</span> void (* <a class="code" href="tcpip_8c.html#696c6d03effd7dbc7615f2b7758b3ce2">tcpip_init_done</a>)(<span class="keywordtype">void</span> *arg) = <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>;
<a name="l00055"></a><a class="code" href="tcpip_8c.html#f3f9b0102b8b4f5a674034f5421ef918">00055</a> <span class="keyword">static</span> <span class="keywordtype">void</span> *<a class="code" href="tcpip_8c.html#f3f9b0102b8b4f5a674034f5421ef918">tcpip_init_done_arg</a>;
<a name="l00056"></a><a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">00056</a> <span class="keyword">static</span> <a class="code" href="structsys__mbox.html">sys_mbox_t</a> <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>;
<a name="l00057"></a>00057 
<a name="l00058"></a>00058 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00059"></a>00059 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00060"></a><a class="code" href="tcpip_8c.html#37e1880ffdc8a50daa4e9876bc894a8f">00060</a> <a class="code" href="tcpip_8c.html#37e1880ffdc8a50daa4e9876bc894a8f">tcpip_tcp_timer</a>(<span class="keywordtype">void</span> *arg)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062   <a class="code" href="tcp_8h.html#3846a756b13214ed88ea47d0ff8279eb">tcp_tmr</a>();
<a name="l00063"></a>00063   <a class="code" href="sys_8h.html#eb917c25d96a51e1998478b9e6e78a44">sys_timeout</a>(<a class="code" href="tcp_8h.html#d3e68a4c69b6e005e1de46275de3dd09">TCP_TMR_INTERVAL</a>, (<a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">sys_timeout_handler</a>)<a class="code" href="tcpip_8c.html#37e1880ffdc8a50daa4e9876bc894a8f">tcpip_tcp_timer</a>, <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00066"></a>00066 
<a name="l00067"></a>00067 <span class="keyword">static</span> <span class="keywordtype">void</span>
<a name="l00068"></a><a class="code" href="tcpip_8c.html#61474ad2c2c25ba58cc774e2bcc4ef5f">00068</a> <a class="code" href="tcpip_8c.html#61474ad2c2c25ba58cc774e2bcc4ef5f">tcpip_thread</a>(<span class="keywordtype">void</span> *arg)
<a name="l00069"></a>00069 {
<a name="l00070"></a>00070   <span class="keyword">struct </span><a class="code" href="structtcpip__msg.html">tcpip_msg</a> *<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>;
<a name="l00071"></a>00071 
<a name="l00072"></a>00072   <a class="code" href="ipv4_2ip_8h.html#8be0857c3bd133182ecd9e0dd700f7c7">ip_init</a>();
<a name="l00073"></a>00073   <a class="code" href="udp_8h.html#e7f7431ce99333577d7b82b26619309e">udp_init</a>();
<a name="l00074"></a>00074   <a class="code" href="tcp_8h.html#51de4ded7d342456d31722493c92c969">tcp_init</a>();
<a name="l00075"></a>00075 
<a name="l00076"></a>00076   <a class="code" href="sys_8h.html#eb917c25d96a51e1998478b9e6e78a44">sys_timeout</a>(<a class="code" href="tcp_8h.html#d3e68a4c69b6e005e1de46275de3dd09">TCP_TMR_INTERVAL</a>, (<a class="code" href="sys_8h.html#1aa9ee90811cc556b2011559ae4154a8">sys_timeout_handler</a>)<a class="code" href="tcpip_8c.html#37e1880ffdc8a50daa4e9876bc894a8f">tcpip_tcp_timer</a>, <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00077"></a>00077   
<a name="l00078"></a>00078   <span class="keywordflow">if</span>(<a class="code" href="tcpip_8c.html#696c6d03effd7dbc7615f2b7758b3ce2">tcpip_init_done</a> != <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00079"></a>00079     <a class="code" href="tcpip_8c.html#696c6d03effd7dbc7615f2b7758b3ce2">tcpip_init_done</a>(<a class="code" href="tcpip_8c.html#f3f9b0102b8b4f5a674034f5421ef918">tcpip_init_done_arg</a>);
<a name="l00080"></a>00080   }
<a name="l00081"></a>00081 
<a name="l00082"></a>00082   <span class="keywordflow">while</span>(1) {                          <span class="comment">/* MAIN Loop */</span>
<a name="l00083"></a>00083     <a class="code" href="sys_8h.html#afce1f71c38e3d7d08ebf0654ec97dfa">sys_mbox_fetch</a>(<a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, (<span class="keywordtype">void</span> *)&amp;<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>);
<a name="l00084"></a>00084     <span class="keywordflow">switch</span>(msg-&gt;type) {
<a name="l00085"></a>00085     <span class="keywordflow">case</span> <a class="code" href="tcpip_8h.html#1e0cb5032a61055e3f4a3426ed5489378665d0f2f1498c366e90d67a1e4c7f80">TCPIP_MSG_API</a>:
<a name="l00086"></a>00086       <span class="comment">//kprintf("tcpip_thread: API message %p\n", msg);</span>
<a name="l00087"></a>00087       <a class="code" href="api__msg_8h.html#b15a981fb41b53567d7a4e9412c6f4c1">api_msg_input</a>(msg-&gt;msg.apimsg);
<a name="l00088"></a>00088       <span class="keywordflow">break</span>;
<a name="l00089"></a>00089     <span class="keywordflow">case</span> <a class="code" href="tcpip_8h.html#1e0cb5032a61055e3f4a3426ed548937c4e5735b0b02d605e97466bec94cdf71">TCPIP_MSG_INPUT</a>:
<a name="l00090"></a>00090       <span class="comment">//kprintf("tcpip_thread: IP packet %p\n", msg);</span>
<a name="l00091"></a>00091       <a class="code" href="ipv4_2ip_8h.html#3c420dab0c6760df099a2d688fa42a26">ip_input</a>(msg-&gt;msg.inp.p, msg-&gt;msg.inp.netif);
<a name="l00092"></a>00092       <span class="keywordflow">break</span>;
<a name="l00093"></a>00093     <span class="keywordflow">default</span>:
<a name="l00094"></a>00094       <span class="keywordflow">break</span>;
<a name="l00095"></a>00095     }
<a name="l00096"></a>00096     <a class="code" href="memp_8h.html#269bd926cd0413cf1948cf1992209451">memp_freep</a>(<a class="code" href="memp_8h.html#85a164b1f7764951cc685ea525114e57110e78608e5acf1cf15cb442dfffd84f">MEMP_TCPIP_MSG</a>, msg);
<a name="l00097"></a>00097   }
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00100"></a>00100 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a>
<a name="l00101"></a><a class="code" href="tcpip_8c.html#e510f195171bed8499ae94e264a92717">00101</a> <a class="code" href="tcpip_8h.html#e510f195171bed8499ae94e264a92717">tcpip_input</a>(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *<a class="code" href="structtcpip__msg.html#9298bc5d6d92c5efd478dac92c09459b">p</a>, <span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structtcpip__msg.html#73fb4cc463db05b4ba1fe3219497969d">inp</a>)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103   <span class="keyword">struct </span><a class="code" href="structtcpip__msg.html">tcpip_msg</a> *<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>;
<a name="l00104"></a>00104   
<a name="l00105"></a>00105   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a> = <a class="code" href="memp_8h.html#8fd5bd978dc56399e1649381cc2a1aeb">memp_mallocp</a>(<a class="code" href="memp_8h.html#85a164b1f7764951cc685ea525114e57110e78608e5acf1cf15cb442dfffd84f">MEMP_TCPIP_MSG</a>);
<a name="l00106"></a>00106   <span class="keywordflow">if</span>(<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a> == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00107"></a>00107     <span class="comment">//kprintf("BAD MESSAGE!!!\n");</span>
<a name="l00108"></a>00108     <a class="code" href="pbuf_8h.html#334112aa2ac402c254d604c0dbbbb746">pbuf_free</a>(<a class="code" href="structtcpip__msg.html#9298bc5d6d92c5efd478dac92c09459b">p</a>);    
<a name="l00109"></a>00109     <span class="keywordflow">return</span> <a class="code" href="err_8h.html#6ab63185cc5dff3c50c61d99bdf98369">ERR_MEM</a>;  
<a name="l00110"></a>00110   }
<a name="l00111"></a>00111   <span class="comment">//kprintf("GOOD MESSAGE\n");</span>
<a name="l00112"></a>00112   
<a name="l00113"></a>00113   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>-&gt;type = <a class="code" href="tcpip_8h.html#1e0cb5032a61055e3f4a3426ed548937c4e5735b0b02d605e97466bec94cdf71">TCPIP_MSG_INPUT</a>;
<a name="l00114"></a>00114   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>-&gt;msg.inp.p = <a class="code" href="structtcpip__msg.html#9298bc5d6d92c5efd478dac92c09459b">p</a>;
<a name="l00115"></a>00115   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>-&gt;msg.inp.netif = <a class="code" href="structtcpip__msg.html#73fb4cc463db05b4ba1fe3219497969d">inp</a>;
<a name="l00116"></a>00116   <a class="code" href="sys_8h.html#217a9af37c5dd7c3fc16daddaacb976f">sys_mbox_post</a>(<a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>);
<a name="l00117"></a>00117   <span class="keywordflow">return</span> <a class="code" href="err_8h.html#98c763adfeea8e9831c46ec269e47ae9">ERR_OK</a>;
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00120"></a>00120 <span class="keywordtype">void</span>
<a name="l00121"></a><a class="code" href="tcpip_8c.html#d72ca05f74e20244cd26a8828711e9f2">00121</a> <a class="code" href="tcpip_8h.html#d72ca05f74e20244cd26a8828711e9f2">tcpip_apimsg</a>(<span class="keyword">struct</span> <a class="code" href="structapi__msg.html">api_msg</a> *<a class="code" href="structtcpip__msg.html#0725900e18ae1dc3f2d3c09f9fc7ba98">apimsg</a>)
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123   <span class="keyword">struct </span><a class="code" href="structtcpip__msg.html">tcpip_msg</a> *<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>;
<a name="l00124"></a>00124   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a> = <a class="code" href="memp_8h.html#8fd5bd978dc56399e1649381cc2a1aeb">memp_mallocp</a>(<a class="code" href="memp_8h.html#85a164b1f7764951cc685ea525114e57110e78608e5acf1cf15cb442dfffd84f">MEMP_TCPIP_MSG</a>);
<a name="l00125"></a>00125   <span class="keywordflow">if</span>(<a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a> == <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>) {
<a name="l00126"></a>00126     <a class="code" href="memp_8h.html#ecd94926b7c2a0e23ae195f4ae97581f">memp_free</a>(<a class="code" href="memp_8h.html#85a164b1f7764951cc685ea525114e57110e78608e5acf1cf15cb442dfffd84f">MEMP_TCPIP_MSG</a>, <a class="code" href="structtcpip__msg.html#0725900e18ae1dc3f2d3c09f9fc7ba98">apimsg</a>);
<a name="l00127"></a>00127     <span class="keywordflow">return</span>;
<a name="l00128"></a>00128   }
<a name="l00129"></a>00129   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>-&gt;type = <a class="code" href="tcpip_8h.html#1e0cb5032a61055e3f4a3426ed5489378665d0f2f1498c366e90d67a1e4c7f80">TCPIP_MSG_API</a>;
<a name="l00130"></a>00130   <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>-&gt;msg.apimsg = <a class="code" href="structtcpip__msg.html#0725900e18ae1dc3f2d3c09f9fc7ba98">apimsg</a>;
<a name="l00131"></a>00131   <a class="code" href="sys_8h.html#217a9af37c5dd7c3fc16daddaacb976f">sys_mbox_post</a>(<a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a>, <a class="code" href="structtcpip__msg.html#38c897bf24dd203fd685fd8233329352">msg</a>);
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00134"></a>00134 <span class="keywordtype">void</span>
<a name="l00135"></a><a class="code" href="tcpip_8c.html#aa3df02b3de2b41fe4bf7b2194e5e8e0">00135</a> <a class="code" href="tcpip_8h.html#9a61ea92b584bd1c1c5e9d5c2a5cbc36">tcpip_init</a>(<span class="keywordtype">void</span> (* initfunc)(<span class="keywordtype">void</span> *), <span class="keywordtype">void</span> *arg)
<a name="l00136"></a>00136 {
<a name="l00137"></a>00137   <a class="code" href="tcpip_8c.html#696c6d03effd7dbc7615f2b7758b3ce2">tcpip_init_done</a> = initfunc;
<a name="l00138"></a>00138   <a class="code" href="tcpip_8c.html#f3f9b0102b8b4f5a674034f5421ef918">tcpip_init_done_arg</a> = arg;
<a name="l00139"></a>00139   <a class="code" href="tcpip_8c.html#189da3fa172ad9c1b0491dcb4857fee6">mbox</a> = <a class="code" href="sys_8h.html#3b766e6df37d63d5f1144c5089c2af94">sys_mbox_new</a>();
<a name="l00140"></a>00140   <a class="code" href="sys_8h.html#eb9b7d7cea295be85b0b0ddb7c9fe566">sys_thread_new</a>((<span class="keywordtype">void</span> *)<a class="code" href="tcpip_8c.html#61474ad2c2c25ba58cc774e2bcc4ef5f">tcpip_thread</a>, <a class="code" href="def_8h.html#070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>);
<a name="l00141"></a>00141 }
<a name="l00142"></a>00142 <span class="comment">/*-----------------------------------------------------------------------------------*/</span>
<a name="l00143"></a>00143 
<a name="l00144"></a>00144 
<a name="l00145"></a>00145 
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Dec 12 08:52:07 2006 for UbixOS V2 by&nbsp;
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