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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>arp_entry struct Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="main.html">Main Page</a> <a class="qindex" href="modules.html">Modules</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> <a class="qindex" href="globals.html">Globals</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindex" href="examples.html">Examples</a> </center><hr><h1>arp_entry Struct Reference</h1><hr><a name="_details"></a><h2>Detailed Description</h2>This structure contains various fields used for managing ARP cache. <p><p>Definition at line <a class="el" href="arp_8h-source.html#l00146">146</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<table border=0 cellpadding=0 cellspacing=0><tr><td></td></tr><tr><td colspan=2><br><h2>Data Fields</h2></td></tr><tr><td nowrap align=right valign=top>UINT8 </td><td valign=bottom><a class="el" href="structarp__entry.html#m0">state</a></td></tr><tr><td> </td><td><font size=-1><em>State of this ARP cache entry.</em> <a href="#m0"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>UINT8 </td><td valign=bottom><a class="el" href="structarp__entry.html#m1">type</a></td></tr><tr><td> </td><td><font size=-1><em>Type of this ARP cache entry.</em> <a href="#m1"></a><em></em></font><br><br></td></tr><tr><td nowrap align=right valign=top>UINT8 </td><td valign=bottom><a class="el" href="structarp__entry.html#m2">retries</a></td></tr><tr><td nowrap align=right valign=top>UINT8 </td><td valign=bottom><a class="el" href="structarp__entry.html#m3">ttl</a></td></tr><tr><td nowrap align=right valign=top>UINT8 </td><td valign=bottom><a class="el" href="structarp__entry.html#m4">hwadr</a> [MAXHWALEN]</td></tr><tr><td nowrap align=right valign=top>UINT32 </td><td valign=bottom><a class="el" href="structarp__entry.html#m5">pradr</a></td></tr></table><hr><h2>Field Documentation</h2><a name="m0" doxytag="arp_entry::state"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT8 arp_entry::state </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Holds information about the state of this ARP cache entry. Can hold one of the following values: <ul><li> ARP_FREE - entry unused and available <li> ARP_RESERVED - entry reserved by arp_alloc call <li> ARP_PENDING - waiting for ARP reply to get the HW address <li> ARP_RESOLVED - entry resolved and HW address available </ul><p>Definition at line <a class="el" href="arp_8h-source.html#l00157">157</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00552">arp_add()</a>, <a class="el" href="arp_8c-source.html#l00466">arp_alloc()</a>, <a class="el" href="arp_8c-source.html#l00639">arp_find()</a>, <a class="el" href="arp_8c-source.html#l00307">arp_get_response()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, and <a class="el" href="arp_8c-source.html#l00785">arp_manage()</a>. </td> </tr></table><a name="m1" doxytag="arp_entry::type"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT8 arp_entry::type </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Type of the entry defines what the ARP cache manager will do after the TTL period. Can be one of the following: <ul><li> ARP_FIXED_IP - ARP cache entry is refreshed after TTL <li> ARP_TEMP_IP - ARP cache entry is deleted after TTL </ul><p>Definition at line <a class="el" href="arp_8h-source.html#l00167">167</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00466">arp_alloc()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, and <a class="el" href="arp_8c-source.html#l00785">arp_manage()</a>. </td> </tr></table><a name="m2" doxytag="arp_entry::retries"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT8 arp_entry::retries </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Number of retries left (how many ARP requests more will be sent in order to try to resolve the IP address) <p>Definition at line <a class="el" href="arp_8h-source.html#l00168">168</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00552">arp_add()</a>, <a class="el" href="arp_8c-source.html#l00639">arp_find()</a>, <a class="el" href="arp_8c-source.html#l00307">arp_get_response()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, and <a class="el" href="arp_8c-source.html#l00785">arp_manage()</a>. </td> </tr></table><a name="m3" doxytag="arp_entry::ttl"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT8 arp_entry::ttl </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Time To Live value for this cache entry <p>Definition at line <a class="el" href="arp_8h-source.html#l00172">172</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00552">arp_add()</a>, <a class="el" href="arp_8c-source.html#l00639">arp_find()</a>, <a class="el" href="arp_8c-source.html#l00307">arp_get_response()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, and <a class="el" href="arp_8c-source.html#l00785">arp_manage()</a>. </td> </tr></table><a name="m4" doxytag="arp_entry::hwadr"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT8 arp_entry::hwadr[MAXHWALEN] </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Hardware Address that is received either as an ARP reply or by caching the address of a received IP packet <p>Definition at line <a class="el" href="arp_8h-source.html#l00175">175</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00552">arp_add()</a>, <a class="el" href="arp_8c-source.html#l00639">arp_find()</a>, <a class="el" href="arp_8c-source.html#l00307">arp_get_response()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, and <a class="el" href="ip_8c-source.html#l00300">process_ip_out()</a>. </td> </tr></table><a name="m5" doxytag="arp_entry::pradr"></a><p><table width="100%" cellpadding="2" cellspacing="0" border="0"> <tr> <td class="md"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top"> UINT32 arp_entry::pradr </table> </td> </tr></table><table cellspacing=5 cellpadding=0 border=0> <tr> <td> </td> <td><p>Protocol Address (IP protocol assumed) <p>Definition at line <a class="el" href="arp_8h-source.html#l00179">179</a> of file <a class="el" href="arp_8h-source.html">arp.h</a>.<p>Referenced by <a class="el" href="arp_8c-source.html#l00552">arp_add()</a>, <a class="el" href="arp_8c-source.html#l00639">arp_find()</a>, <a class="el" href="arp_8c-source.html#l00307">arp_get_response()</a>, <a class="el" href="arp_8c-source.html#l00910">arp_init()</a>, <a class="el" href="arp_8c-source.html#l00785">arp_manage()</a>, and <a class="el" href="arp_8c-source.html#l00390">arp_send_req()</a>. </td> </tr></table><hr>The documentation for this struct was generated from the following file:<ul><li>/opentcp/include/inet/<a class="el" href="arp_8h-source.html">arp.h</a></ul><hr><address style="align: right;"><small>Generated on Sun Aug 3 20:33:01 2003 for OpenTCP by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 width=110 height=53></a>1.2.18 </small></address></body></html>⌨️ 快捷键说明
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