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<a class="el" href="dir_897b6a2d7bab147dd1db58381aad3984.html">src</a> » <a class="el" href="dir_832905b1f7f5feaf61a306b40c0ac817.html">sys</a> » <a class="el" href="dir_caf4200c438ae9601464168e21e8e4d8.html">include</a> » <a class="el" href="dir_c1d11d251a83b2498f44d410b793c5eb.html">net</a> » <a class="el" href="dir_76136493e73439838033f413ae0f827f.html">ipv6</a></div>
<h1>ip.h</h1><a href="ipv6_2ip_8h.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 <adam@sics.se></span>
<a name="l00032"></a>00032 <span class="comment"> *</span>
<a name="l00033"></a>00033 <span class="comment"> * $Id: ipv6_2ip_8h-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 <span class="preprocessor">#ifndef __LWIP_IP_H__</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define __LWIP_IP_H__</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "lwip/debug.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "lwip/def.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "lwip/pbuf.h"</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include "lwip/ip_addr.h"</span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#include "lwip/err.h"</span>
<a name="l00044"></a>00044
<a name="l00045"></a><a class="code" href="ipv6_2ip_8h.html#d76777d4d34f33ab5f715f9ca15503c3">00045</a> <span class="preprocessor">#define IP_HLEN 40</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span>
<a name="l00047"></a><a class="code" href="ipv6_2ip_8h.html#acaea7b8c4c8a5229c02b653766b4793">00047</a> <span class="preprocessor">#define IP_PROTO_ICMP 58</span>
<a name="l00048"></a><a class="code" href="ipv6_2ip_8h.html#76212e7ef71a99646040d2e454388bed">00048</a> <span class="preprocessor"></span><span class="preprocessor">#define IP_PROTO_UDP 17</span>
<a name="l00049"></a><a class="code" href="ipv6_2ip_8h.html#3ef2b8a1cb4f7acee3142337438dfd0d">00049</a> <span class="preprocessor"></span><span class="preprocessor">#define IP_PROTO_UDPLITE 170</span>
<a name="l00050"></a><a class="code" href="ipv6_2ip_8h.html#634284ee3a136d6ad61bc5d917ebb82f">00050</a> <span class="preprocessor"></span><span class="preprocessor">#define IP_PROTO_TCP 6</span>
<a name="l00051"></a>00051 <span class="preprocessor"></span>
<a name="l00052"></a>00052 <span class="comment">/* This is passed as the destination address to ip_output_if (not</span>
<a name="l00053"></a>00053 <span class="comment"> to ip_output), meaning that an IP header already is constructed</span>
<a name="l00054"></a>00054 <span class="comment"> in the pbuf. This is used when TCP retransmits. */</span>
<a name="l00055"></a>00055 <span class="preprocessor">#ifdef IP_HDRINCL</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span><span class="preprocessor">#undef IP_HDRINCL</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* IP_HDRINCL */</span>
<a name="l00058"></a><a class="code" href="ipv6_2ip_8h.html#4c4294940df109ad673a7295b74259b0">00058</a> <span class="preprocessor">#define IP_HDRINCL NULL</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span>
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="comment">/* The IPv6 header. */</span>
<a name="l00062"></a>00062 <span class="keyword">struct </span><a class="code" href="structip__hdr.html">ip_hdr</a> {
<a name="l00063"></a>00063 <span class="preprocessor">#if BYTE_ORDER == LITTLE_ENDIAN</span>
<a name="l00064"></a><a class="code" href="structip__hdr.html#3066d68a8a36f1de8c79db2f5b67e425">00064</a> <span class="preprocessor"></span> u8_t <a class="code" href="structip__hdr.html#ff59fbc114853a1d9bc44da83c04765e">tclass1</a>:4, <a class="code" href="structip__hdr.html#3066d68a8a36f1de8c79db2f5b67e425">v</a>:4;
<a name="l00065"></a><a class="code" href="structip__hdr.html#f40d1bf6005169510fb0c4910abe0ecf">00065</a> u8_t <a class="code" href="structip__hdr.html#4c540b15f84a9ee0290f277f896b913c">flow1</a>:4, <a class="code" href="structip__hdr.html#f40d1bf6005169510fb0c4910abe0ecf">tclass2</a>:4;
<a name="l00066"></a>00066 <span class="preprocessor">#else</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span> u8_t <a class="code" href="structip__hdr.html#3066d68a8a36f1de8c79db2f5b67e425">v</a>:4, <a class="code" href="structip__hdr.html#ff59fbc114853a1d9bc44da83c04765e">tclass1</a>:4;
<a name="l00068"></a>00068 u8_t <a class="code" href="structip__hdr.html#f40d1bf6005169510fb0c4910abe0ecf">tclass2</a>:8, <a class="code" href="structip__hdr.html#4c540b15f84a9ee0290f277f896b913c">flow1</a>:4;
<a name="l00069"></a>00069 <span class="preprocessor">#endif</span>
<a name="l00070"></a><a class="code" href="structip__hdr.html#cb46c4fbc7cabb2da0c328a712ff8ff3">00070</a> <span class="preprocessor"></span> u16_t <a class="code" href="structip__hdr.html#cb46c4fbc7cabb2da0c328a712ff8ff3">flow2</a>;
<a name="l00071"></a><a class="code" href="structip__hdr.html#53f3a7eb476a9667f23f1edbc0b94aca">00071</a> u16_t <a class="code" href="structip__hdr.html#53f3a7eb476a9667f23f1edbc0b94aca">len</a>; <span class="comment">/* payload length */</span>
<a name="l00072"></a><a class="code" href="structip__hdr.html#e659b31431947366639063f917b1864b">00072</a> u8_t <a class="code" href="structip__hdr.html#e659b31431947366639063f917b1864b">nexthdr</a>; <span class="comment">/* next header */</span>
<a name="l00073"></a><a class="code" href="structip__hdr.html#c6ac97fa9cc364ca7cc9f0ae3713567c">00073</a> u8_t <a class="code" href="structip__hdr.html#c6ac97fa9cc364ca7cc9f0ae3713567c">hoplim</a>; <span class="comment">/* hop limit (TTL) */</span>
<a name="l00074"></a><a class="code" href="structip__hdr.html#815e233e57dabbb88731c7454498286c">00074</a> <span class="keyword">struct </span><a class="code" href="structip__addr.html">ip_addr</a> src, <a class="code" href="structip__hdr.html#815e233e57dabbb88731c7454498286c">dest</a>; <span class="comment">/* source and destination IP addresses */</span>
<a name="l00075"></a>00075 };
<a name="l00076"></a>00076
<a name="l00077"></a>00077 <span class="keywordtype">void</span> <a class="code" href="ipv4_2ip_8h.html#8be0857c3bd133182ecd9e0dd700f7c7">ip_init</a>(<span class="keywordtype">void</span>);
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="preprocessor">#include "lwip/netif.h"</span>
<a name="l00080"></a>00080
<a name="l00081"></a>00081 <span class="keyword">struct </span><a class="code" href="structnetif.html">netif</a> *<a class="code" href="ipv4_2ip_8h.html#27aecc05841bdece5d6bed810cc0ce71">ip_route</a>(<span class="keyword">struct</span> <a class="code" href="structip__addr.html">ip_addr</a> *dest);
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keywordtype">void</span> <a class="code" href="ipv4_2ip_8h.html#3c420dab0c6760df099a2d688fa42a26">ip_input</a>(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *inp);
<a name="l00084"></a>00084
<a name="l00085"></a>00085 <span class="comment">/* source and destination addresses in network byte order, please */</span>
<a name="l00086"></a>00086 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> <a class="code" href="ipv4_2ip_8h.html#c360020282b7630ac9e9780e7a5bb758">ip_output</a>(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="structip__addr.html">ip_addr</a> *src, <span class="keyword">struct</span> <a class="code" href="structip__addr.html">ip_addr</a> *dest,
<a name="l00087"></a>00087 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ttl, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> proto);
<a name="l00088"></a>00088
<a name="l00089"></a>00089 <a class="code" href="err_8h.html#b7190f3da5c85931fc059e0312bc1407">err_t</a> <a class="code" href="ipv4_2ip_8h.html#786ad4beeca101382b74feb53bd3b05d">ip_output_if</a>(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *p, <span class="keyword">struct</span> <a class="code" href="structip__addr.html">ip_addr</a> *src, <span class="keyword">struct</span> <a class="code" href="structip__addr.html">ip_addr</a> *dest,
<a name="l00090"></a>00090 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ttl, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> proto,
<a name="l00091"></a>00091 <span class="keyword">struct</span> <a class="code" href="structnetif.html">netif</a> *<a class="code" href="structnetif.html">netif</a>);
<a name="l00092"></a>00092
<a name="l00093"></a>00093 <span class="preprocessor">#if IP_DEBUG</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span><span class="keywordtype">void</span> ip_debug_print(<span class="keyword">struct</span> <a class="code" href="structpbuf.html">pbuf</a> *p);
<a name="l00095"></a>00095 <span class="preprocessor">#endif </span><span class="comment">/* IP_DEBUG */</span>
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="preprocessor">#endif </span><span class="comment">/* __LWIP_IP_H__ */</span>
<a name="l00098"></a>00098
<a name="l00099"></a>00099
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