<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.16"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>UbixOS V2: C:/Dev/git/UbixOS/sys/include/net/ip.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="navtree.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="resize.js"></script> <script type="text/javascript" src="navtreedata.js"></script> <script type="text/javascript" src="navtree.js"></script> <script type="text/javascript"> /* @license 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showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#nested-classes">Data Structures</a> | <a href="#define-members">Macros</a> | <a href="#var-members">Variables</a> </div> <div class="headertitle"> <div class="title">ip.h File Reference</div> </div> </div><!--header--> <div class="contents"> <div class="textblock"><code>#include "<a class="el" href="opt_8h_source.html">net/opt.h</a>"</code><br /> <code>#include "<a class="el" href="def_8h_source.html">net/def.h</a>"</code><br /> <code>#include "<a class="el" href="pbuf_8h_source.html">net/pbuf.h</a>"</code><br /> <code>#include "<a class="el" href="ip__addr_8h_source.html">net/ip_addr.h</a>"</code><br /> <code>#include "<a class="el" href="err_8h_source.html">net/err.h</a>"</code><br /> <code>#include "<a class="el" href="netif_8h_source.html">net/netif.h</a>"</code><br /> <code>#include "<a class="el" href="ip4_8h_source.html">net/ip4.h</a>"</code><br /> <code>#include "<a class="el" href="ip6_8h_source.html">net/ip6.h</a>"</code><br /> <code>#include "<a class="el" href="prot_2ip_8h_source.html">net/prot/ip.h</a>"</code><br /> </div><div class="textblock"><div class="dynheader"> Include dependency graph for ip.h:</div> <div class="dyncontent"> <div class="center"><img src="ip_8h__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2include_2net_2ip_8h" alt=""/></div> </div> </div><div class="textblock"><div class="dynheader"> This graph shows which files directly or indirectly include this file:</div> <div class="dyncontent"> <div class="center"><img src="ip_8h__dep__incl.png" border="0" usemap="#C_1_2Dev_2git_2UbixOS_2sys_2include_2net_2ip_8hdep" alt=""/></div> </div> </div> <p><a href="ip_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a> 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__globals.html">ip_globals</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="structip__pcb.html">ip_pcb</a></td></tr> <tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="define-members"></a> Macros</h2></td></tr> <tr class="memitem:a9135977868017c3deeec86b525e13997"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a9135977868017c3deeec86b525e13997">ip_current_dest_addr</a>()   (&ip_data.current_iphdr_dest)</td></tr> <tr class="separator:a9135977868017c3deeec86b525e13997"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a9135977868017c3deeec86b525e13997"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a9135977868017c3deeec86b525e13997">ip_current_dest_addr</a>()   (&ip_data.current_iphdr_dest)</td></tr> <tr class="separator:a9135977868017c3deeec86b525e13997"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2ca15ea285a10982294378cd7b8e83e2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a2ca15ea285a10982294378cd7b8e83e2">ip_current_header_tot_len</a>()   (ip_data.current_ip_header_tot_len)</td></tr> <tr class="separator:a2ca15ea285a10982294378cd7b8e83e2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae214afa9d3f1b26fc8d538436b8fa3c4"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#ae214afa9d3f1b26fc8d538436b8fa3c4">ip_current_input_netif</a>()   (ip_data.current_input_netif)</td></tr> <tr class="separator:ae214afa9d3f1b26fc8d538436b8fa3c4"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aabecef3c7653a9767c79245c44fcab9f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#aabecef3c7653a9767c79245c44fcab9f">ip_current_netif</a>()   (ip_data.current_netif)</td></tr> <tr class="separator:aabecef3c7653a9767c79245c44fcab9f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4e35b7692c228c98e738892f0a215647"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a4e35b7692c228c98e738892f0a215647">ip_current_src_addr</a>()   (&ip_data.current_iphdr_src)</td></tr> <tr class="separator:a4e35b7692c228c98e738892f0a215647"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a4e35b7692c228c98e738892f0a215647"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a4e35b7692c228c98e738892f0a215647">ip_current_src_addr</a>()   (&ip_data.current_iphdr_src)</td></tr> <tr class="separator:a4e35b7692c228c98e738892f0a215647"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a26e077f52de4a97ff89c02415c084518"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a26e077f52de4a97ff89c02415c084518">ip_get_option</a>(pcb, opt)   ((pcb)->so_options & (opt))</td></tr> <tr class="separator:a26e077f52de4a97ff89c02415c084518"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a8bdf4b5f674375e76cdd968826d80e53"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a8bdf4b5f674375e76cdd968826d80e53">IP_PCB</a></td></tr> <tr class="separator:a8bdf4b5f674375e76cdd968826d80e53"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a19a7497f9c87e25b66382e1b92f56382"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a19a7497f9c87e25b66382e1b92f56382">IP_PCB_ADDRHINT</a></td></tr> <tr class="separator:a19a7497f9c87e25b66382e1b92f56382"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a441c63f00c4b0cb69fc34ca6b55307cc"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a441c63f00c4b0cb69fc34ca6b55307cc">ip_reset_option</a>(pcb, opt)   ((pcb)->so_options &= ~(opt))</td></tr> <tr class="separator:a441c63f00c4b0cb69fc34ca6b55307cc"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae392fc1ebc42a4b08f73d42c04089be9"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#ae392fc1ebc42a4b08f73d42c04089be9">ip_route_get_local_ip</a>(src, dest, <a class="el" href="structnetif.html">netif</a>, ipaddr)</td></tr> <tr class="separator:ae392fc1ebc42a4b08f73d42c04089be9"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a13f48cf825c7f074dc05bea54e9d6a93"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a13f48cf825c7f074dc05bea54e9d6a93">ip_set_option</a>(pcb, opt)   ((pcb)->so_options |= (opt))</td></tr> <tr class="separator:a13f48cf825c7f074dc05bea54e9d6a93"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a355679dba1c0d8ef07ce3abcd28e3063"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a355679dba1c0d8ef07ce3abcd28e3063">LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</a>(p)   <a class="el" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>("p->ref == 1", (p)->ref == 1)</td></tr> <tr class="separator:a355679dba1c0d8ef07ce3abcd28e3063"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a2b7dff1859ced5f2be3fc3da231819d7"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a2b7dff1859ced5f2be3fc3da231819d7">LWIP_IP_HDRINCL</a>   <a class="el" href="include_2sys_2types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></td></tr> <tr class="separator:a2b7dff1859ced5f2be3fc3da231819d7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ac8c7ccdad2d7d3a264bd8cfc57140ca8"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#ac8c7ccdad2d7d3a264bd8cfc57140ca8">SOF_BROADCAST</a>   0x20U /* permit to send and to receive broadcast messages (see <a class="el" href="group__lwip__opts__ipv4.html#ga0b2c993fd940f5774108298933310384">IP_SOF_BROADCAST</a> option) */</td></tr> <tr class="separator:ac8c7ccdad2d7d3a264bd8cfc57140ca8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ae4bbdf8a2e757d758ec0e1c91b58893f"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#ae4bbdf8a2e757d758ec0e1c91b58893f">SOF_INHERITED</a>   (<a class="el" href="ip_8h.html#aa40b3366a7939ec3a60e9a7d239575e2">SOF_REUSEADDR</a>|<a class="el" href="ip_8h.html#a1f7f7efb095c77c06af5c5e8ba558d45">SOF_KEEPALIVE</a>)</td></tr> <tr class="separator:ae4bbdf8a2e757d758ec0e1c91b58893f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:a1f7f7efb095c77c06af5c5e8ba558d45"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#a1f7f7efb095c77c06af5c5e8ba558d45">SOF_KEEPALIVE</a>   0x08U /* keep connections alive */</td></tr> <tr class="separator:a1f7f7efb095c77c06af5c5e8ba558d45"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:aa40b3366a7939ec3a60e9a7d239575e2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#aa40b3366a7939ec3a60e9a7d239575e2">SOF_REUSEADDR</a>   0x04U /* allow local address reuse */</td></tr> <tr class="separator:aa40b3366a7939ec3a60e9a7d239575e2"><td class="memSeparator" colspan="2"> </td></tr> </table><table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a> Variables</h2></td></tr> <tr class="memitem:ac944fb6564f181bc90bc7c2b8b00d94c"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structip__globals.html">ip_globals</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="ip_8h.html#ac944fb6564f181bc90bc7c2b8b00d94c">ip_data</a></td></tr> <tr class="separator:ac944fb6564f181bc90bc7c2b8b00d94c"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <div class="textblock"><p>IP API </p> <p class="definition">Definition in file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div><h2 class="groupheader">Macro Definition Documentation</h2> <a id="a9135977868017c3deeec86b525e13997"></a> <h2 class="memtitle"><span class="permalink"><a href="#a9135977868017c3deeec86b525e13997">◆ </a></span>ip_current_dest_addr <span class="overload">[1/2]</span></h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_dest_addr</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (&ip_data.current_iphdr_dest)</td> </tr> </table> </div><div class="memdoc"> <p>Destination IP address of current_header</p> <p>Union destination address of current_header </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00212">212</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a9135977868017c3deeec86b525e13997"></a> <h2 class="memtitle"><span class="permalink"><a href="#a9135977868017c3deeec86b525e13997">◆ </a></span>ip_current_dest_addr <span class="overload">[2/2]</span></h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_dest_addr</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (&ip_data.current_iphdr_dest)</td> </tr> </table> </div><div class="memdoc"> <p>Destination IP address of current_header</p> <p>Union destination address of current_header </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00212">212</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a2ca15ea285a10982294378cd7b8e83e2"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2ca15ea285a10982294378cd7b8e83e2">◆ </a></span>ip_current_header_tot_len</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_header_tot_len</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (ip_data.current_ip_header_tot_len)</td> </tr> </table> </div><div class="memdoc"> <p>Total header length of ip(6)_current_header() (i.e. after this, the UDP/TCP header starts) </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00139">139</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="ae214afa9d3f1b26fc8d538436b8fa3c4"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae214afa9d3f1b26fc8d538436b8fa3c4">◆ </a></span>ip_current_input_netif</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_input_netif</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (ip_data.current_input_netif)</td> </tr> </table> </div><div class="memdoc"> <p>Get the interface that received the current packet. This function must only be called from a receive callback (udp_recv, raw_recv, tcp_accept). It will return NULL otherwise. </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00137">137</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="aabecef3c7653a9767c79245c44fcab9f"></a> <h2 class="memtitle"><span class="permalink"><a href="#aabecef3c7653a9767c79245c44fcab9f">◆ </a></span>ip_current_netif</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_netif</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (ip_data.current_netif)</td> </tr> </table> </div><div class="memdoc"> <p>Get the interface that accepted the current packet. This may or may not be the receiving netif, depending on your netif/network setup. This function must only be called from a receive callback (udp_recv, raw_recv, tcp_accept). It will return NULL otherwise. </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00133">133</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a4e35b7692c228c98e738892f0a215647"></a> <h2 class="memtitle"><span class="permalink"><a href="#a4e35b7692c228c98e738892f0a215647">◆ </a></span>ip_current_src_addr <span class="overload">[1/2]</span></h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_src_addr</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (&ip_data.current_iphdr_src)</td> </tr> </table> </div><div class="memdoc"> <p>Source IP address of current_header</p> <p>Union source address of current_header </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00210">210</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a4e35b7692c228c98e738892f0a215647"></a> <h2 class="memtitle"><span class="permalink"><a href="#a4e35b7692c228c98e738892f0a215647">◆ </a></span>ip_current_src_addr <span class="overload">[2/2]</span></h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_current_src_addr</td> <td>(</td> <td class="paramname"></td><td>)</td> <td>   (&ip_data.current_iphdr_src)</td> </tr> </table> </div><div class="memdoc"> <p>Source IP address of current_header</p> <p>Union source address of current_header </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00210">210</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a26e077f52de4a97ff89c02415c084518"></a> <h2 class="memtitle"><span class="permalink"><a href="#a26e077f52de4a97ff89c02415c084518">◆ </a></span>ip_get_option</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_get_option</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">pcb, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">opt </td> </tr> <tr> <td></td> <td>)</td> <td></td><td>   ((pcb)->so_options & (opt))</td> </tr> </table> </div><div class="memdoc"> <p>Gets an IP pcb option (SOF_* flags) </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00215">215</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a8bdf4b5f674375e76cdd968826d80e53"></a> <h2 class="memtitle"><span class="permalink"><a href="#a8bdf4b5f674375e76cdd968826d80e53">◆ </a></span>IP_PCB</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define IP_PCB</td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line"><span class="comment">/* ip addresses in network byte order */</span> \</div> <div class="line"> ip_addr_t local_ip; \</div> <div class="line"> ip_addr_t remote_ip; \</div> <div class="line"> <span class="comment">/* Socket options */</span> \</div> <div class="line"> u8_t so_options; \</div> <div class="line"> <span class="comment">/* Type Of Service */</span> \</div> <div class="line"> u8_t tos; \</div> <div class="line"> <span class="comment">/* Time To Live */</span> \</div> <div class="line"> u8_t ttl \</div> <div class="line"> <span class="comment">/* link layer address resolution hint */</span> \</div> <div class="line"> IP_PCB_ADDRHINT</div> </div><!-- fragment --><p>This is the common part of all PCB types. It needs to be at the beginning of a PCB type definition. It is located here so that changes to this common part are made in one location instead of having to change all PCB structs. </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00076">76</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a19a7497f9c87e25b66382e1b92f56382"></a> <h2 class="memtitle"><span class="permalink"><a href="#a19a7497f9c87e25b66382e1b92f56382">◆ </a></span>IP_PCB_ADDRHINT</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define IP_PCB_ADDRHINT</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00069">69</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a441c63f00c4b0cb69fc34ca6b55307cc"></a> <h2 class="memtitle"><span class="permalink"><a href="#a441c63f00c4b0cb69fc34ca6b55307cc">◆ </a></span>ip_reset_option</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_reset_option</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">pcb, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">opt </td> </tr> <tr> <td></td> <td>)</td> <td></td><td>   ((pcb)->so_options &= ~(opt))</td> </tr> </table> </div><div class="memdoc"> <p>Resets an IP pcb option (SOF_* flags) </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00219">219</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="ae392fc1ebc42a4b08f73d42c04089be9"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae392fc1ebc42a4b08f73d42c04089be9">◆ </a></span>ip_route_get_local_ip</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_route_get_local_ip</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">src, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">dest, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname"><a class="el" href="structnetif.html">netif</a>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">ipaddr </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> <b>Value:</b><div class="fragment"><div class="line"><span class="keywordflow">do</span> { \</div> <div class="line"> (<a class="code" href="structnetif.html">netif</a>) = ip_route(src, dest); \</div> <div class="line"> (ipaddr) = ip_netif_get_local_ip(<a class="code" href="structnetif.html">netif</a>, dest); \</div> <div class="line">}<span class="keywordflow">while</span>(0)</div> </div><!-- fragment --> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00308">308</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a13f48cf825c7f074dc05bea54e9d6a93"></a> <h2 class="memtitle"><span class="permalink"><a href="#a13f48cf825c7f074dc05bea54e9d6a93">◆ </a></span>ip_set_option</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define ip_set_option</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">pcb, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"> </td> <td class="paramname">opt </td> </tr> <tr> <td></td> <td>)</td> <td></td><td>   ((pcb)->so_options |= (opt))</td> </tr> </table> </div><div class="memdoc"> <p>Sets an IP pcb option (SOF_* flags) </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00217">217</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a355679dba1c0d8ef07ce3abcd28e3063"></a> <h2 class="memtitle"><span class="permalink"><a href="#a355679dba1c0d8ef07ce3abcd28e3063">◆ </a></span>LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define LWIP_IP_CHECK_PBUF_REF_COUNT_FOR_TX</td> <td>(</td> <td class="paramtype"> </td> <td class="paramname">p</td><td>)</td> <td>   <a class="el" href="debug_8h.html#a94ad086267808462beae2b38f91996ed">LWIP_ASSERT</a>("p->ref == 1", (p)->ref == 1)</td> </tr> </table> </div><div class="memdoc"> <p>pbufs passed to IP must have a ref-count of 1 as their payload pointer gets altered as the packet is passed down the stack </p> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00063">63</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a2b7dff1859ced5f2be3fc3da231819d7"></a> <h2 class="memtitle"><span class="permalink"><a href="#a2b7dff1859ced5f2be3fc3da231819d7">◆ </a></span>LWIP_IP_HDRINCL</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define LWIP_IP_HDRINCL   <a class="el" href="include_2sys_2types_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00058">58</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="ac8c7ccdad2d7d3a264bd8cfc57140ca8"></a> <h2 class="memtitle"><span class="permalink"><a href="#ac8c7ccdad2d7d3a264bd8cfc57140ca8">◆ </a></span>SOF_BROADCAST</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define SOF_BROADCAST   0x20U /* permit to send and to receive broadcast messages (see <a class="el" href="group__lwip__opts__ipv4.html#ga0b2c993fd940f5774108298933310384">IP_SOF_BROADCAST</a> option) */</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00099">99</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="ae4bbdf8a2e757d758ec0e1c91b58893f"></a> <h2 class="memtitle"><span class="permalink"><a href="#ae4bbdf8a2e757d758ec0e1c91b58893f">◆ </a></span>SOF_INHERITED</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define SOF_INHERITED   (<a class="el" href="ip_8h.html#aa40b3366a7939ec3a60e9a7d239575e2">SOF_REUSEADDR</a>|<a class="el" href="ip_8h.html#a1f7f7efb095c77c06af5c5e8ba558d45">SOF_KEEPALIVE</a>)</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00102">102</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="a1f7f7efb095c77c06af5c5e8ba558d45"></a> <h2 class="memtitle"><span class="permalink"><a href="#a1f7f7efb095c77c06af5c5e8ba558d45">◆ </a></span>SOF_KEEPALIVE</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define SOF_KEEPALIVE   0x08U /* keep connections alive */</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00098">98</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <a id="aa40b3366a7939ec3a60e9a7d239575e2"></a> <h2 class="memtitle"><span class="permalink"><a href="#aa40b3366a7939ec3a60e9a7d239575e2">◆ </a></span>SOF_REUSEADDR</h2> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">#define SOF_REUSEADDR   0x04U /* allow local address reuse */</td> </tr> </table> </div><div class="memdoc"> <p class="definition">Definition at line <a class="el" href="ip_8h_source.html#l00097">97</a> of file <a class="el" href="ip_8h_source.html">ip.h</a>.</p> </div> </div> <h2 class="groupheader">Variable Documentation</h2> <a id="ac944fb6564f181bc90bc7c2b8b00d94c"></a> <h2 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