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<h1>libnet-macros.h File Reference</h1>libnet macros and symbloc constants  
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<p>
<a href="libnet-macros_8h-source.html">Go to the source code of this file.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a0">LIBNET_DONT_RESOLVE</a>&nbsp;&nbsp;&nbsp;0</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a1">LIBNET_RESOLVE</a>&nbsp;&nbsp;&nbsp;1</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a2">LIBNET_ON</a>&nbsp;&nbsp;&nbsp;0</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a3">LIBNET_OFF</a>&nbsp;&nbsp;&nbsp;1</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a4">IN6ADDR_ERROR_INIT</a></td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a5">LIBNET_PR2</a>&nbsp;&nbsp;&nbsp;0</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a6" doxytag="libnet-macros.h::LIBNET_PR8" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PR8</b>&nbsp;&nbsp;&nbsp;1</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a7" doxytag="libnet-macros.h::LIBNET_PR16" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PR16</b>&nbsp;&nbsp;&nbsp;2</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a8" doxytag="libnet-macros.h::LIBNET_PRu16" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PRu16</b>&nbsp;&nbsp;&nbsp;3</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a9" doxytag="libnet-macros.h::LIBNET_PR32" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PR32</b>&nbsp;&nbsp;&nbsp;4</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a10" doxytag="libnet-macros.h::LIBNET_PRu32" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PRu32</b>&nbsp;&nbsp;&nbsp;5</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a11" doxytag="libnet-macros.h::LIBNET_PRAND_MAX" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_PRAND_MAX</b>&nbsp;&nbsp;&nbsp;0xffffffff</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a12">LIBNET_MAX_PACKET</a>&nbsp;&nbsp;&nbsp;0xffff</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a13" doxytag="libnet-macros.h::IP_MAXPACKET" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>IP_MAXPACKET</b>&nbsp;&nbsp;&nbsp;0xffff</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a14" doxytag="libnet-macros.h::ETHER_ADDR_LEN" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>ETHER_ADDR_LEN</b>&nbsp;&nbsp;&nbsp;0x6</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a15" doxytag="libnet-macros.h::FDDI_ADDR_LEN" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>FDDI_ADDR_LEN</b>&nbsp;&nbsp;&nbsp;0x6</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a16" doxytag="libnet-macros.h::TOKEN_RING_ADDR_LEN" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>TOKEN_RING_ADDR_LEN</b>&nbsp;&nbsp;&nbsp;0x6</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a17" doxytag="libnet-macros.h::LIBNET_ORG_CODE_SIZE" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_ORG_CODE_SIZE</b>&nbsp;&nbsp;&nbsp;0x3</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a18">LIBNET_ERRBUF_SIZE</a>&nbsp;&nbsp;&nbsp;0x100</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a19">LIBNET_MAXOPTION_SIZE</a>&nbsp;&nbsp;&nbsp;0x28</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a20" doxytag="libnet-macros.h::FIX" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>FIX</b>(n)&nbsp;&nbsp;&nbsp;(n)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a21" doxytag="libnet-macros.h::UNFIX" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>UNFIX</b>(n)&nbsp;&nbsp;&nbsp;(n)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a22" doxytag="libnet-macros.h::LIBNET_CKSUM_CARRY" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_CKSUM_CARRY</b>(x)&nbsp;&nbsp;&nbsp;(x = (x &gt;&gt; 16) + (x &amp; 0xffff), (~(x + (x &gt;&gt; 16)) &amp; 0xffff))</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a23" doxytag="libnet-macros.h::LIBNET_OSPF_AUTHCPY" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_OSPF_AUTHCPY</b>(x, y)&nbsp;&nbsp;&nbsp;memcpy((u_int8_t *)x, (u_int8_t *)y, sizeof(y))</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a24" doxytag="libnet-macros.h::LIBNET_OSPF_CKSUMBUF" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_OSPF_CKSUMBUF</b>(x, y)&nbsp;&nbsp;&nbsp;memcpy((u_int8_t *)x, (u_int8_t *)y, sizeof(y))</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a25" doxytag="libnet-macros.h::LIBNET_NTP_DO_LI_VN_MODE" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_NTP_DO_LI_VN_MODE</b>(li, vn, md)&nbsp;&nbsp;&nbsp;((u_int8_t)((((li) &lt;&lt; 6) &amp; 0xc0) | (((vn) &lt;&lt; 3) &amp; 0x38) | ((md) &amp; 0x7)))</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a26" doxytag="libnet-macros.h::LIBNET_ISLOOPBACK" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_ISLOOPBACK</b>(p)&nbsp;&nbsp;&nbsp;(strcmp((p)-&gt;ifr_name, "lo0") == 0)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a27" doxytag="libnet-macros.h::LIBNET_ISADVMODE" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_ISADVMODE</b>(x)&nbsp;&nbsp;&nbsp;(x &amp; 0x08)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a28" doxytag="libnet-macros.h::LIBNET_LABEL_SIZE" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_LABEL_SIZE</b>&nbsp;&nbsp;&nbsp;64</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a29" doxytag="libnet-macros.h::LIBNET_LABEL_DEFAULT" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>LIBNET_LABEL_DEFAULT</b>&nbsp;&nbsp;&nbsp;"cardshark"</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a30" doxytag="libnet-macros.h::CQ_LOCK_UNLOCKED" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>CQ_LOCK_UNLOCKED</b>&nbsp;&nbsp;&nbsp;(u_int)0x00000000</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a31" doxytag="libnet-macros.h::CQ_LOCK_READ" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>CQ_LOCK_READ</b>&nbsp;&nbsp;&nbsp;(u_int)0x00000001</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a32" doxytag="libnet-macros.h::CQ_LOCK_WRITE" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>CQ_LOCK_WRITE</b>&nbsp;&nbsp;&nbsp;(u_int)0x00000002</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>#define&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="libnet-macros_8h.html#a33">for_each_context_in_cq</a>(l)&nbsp;&nbsp;&nbsp;for (l = libnet_cq_head(); libnet_cq_last(); l = libnet_cq_next())</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a34" doxytag="libnet-macros.h::cq_is_wlocked" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>cq_is_wlocked</b>()&nbsp;&nbsp;&nbsp;(l_cqd.cq_lock &amp; CQ_LOCK_WRITE)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a35" doxytag="libnet-macros.h::cq_is_rlocked" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>cq_is_rlocked</b>()&nbsp;&nbsp;&nbsp;(l_cqd.cq_lock &amp; CQ_LOCK_READ)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a36" doxytag="libnet-macros.h::cq_is_locked" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>cq_is_locked</b>()&nbsp;&nbsp;&nbsp;(l_cqd.cq_lock &amp; (CQ_LOCK_READ | CQ_LOCK_WRITE))</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="a37" doxytag="libnet-macros.h::check_cq_lock" ></a>
#define&nbsp;</td><td class="memItemRight" valign=bottom><b>check_cq_lock</b>(x)&nbsp;&nbsp;&nbsp;(l_cqd.cq_lock &amp; x)</td></tr>

</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
libnet macros and symbloc constants 
<p>
<hr><h2>Define Documentation</h2>
<a class="anchor" name="a33" doxytag="libnet-macros.h::for_each_context_in_cq" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> #define for_each_context_in_cq</td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">l&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap>&nbsp;&nbsp;&nbsp;for (l = libnet_cq_head(); libnet_cq_last(); l = libnet_cq_next())
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Provides an interface to iterate through the context queue of libnet contexts. Before calling this macro, be sure to set the queue using <a class="el" href="libnet-functions_8h.html#a108">libnet_cq_head()</a>.     </td>
  </tr>
</table>
<a class="anchor" name="a4" doxytag="libnet-macros.h::IN6ADDR_ERROR_INIT" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
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          <td class="md" nowrap valign="top"> #define IN6ADDR_ERROR_INIT
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
<b>Value:</b><div class="fragment"><pre>{ { { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
                                 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \
                                 0xff, 0xff } } }
</pre></div>IPv6 error code     </td>
  </tr>
</table>
<a class="anchor" name="a0" doxytag="libnet-macros.h::LIBNET_DONT_RESOLVE" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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    <td class="mdRow">
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          <td class="md" nowrap valign="top"> #define LIBNET_DONT_RESOLVE&nbsp;&nbsp;&nbsp;0
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
Used for libnet's name resolution functions, specifies that no DNS lookups should be performed and the IP address should be kept in numeric form.     </td>
  </tr>
</table>
<a class="anchor" name="a18" doxytag="libnet-macros.h::LIBNET_ERRBUF_SIZE" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_ERRBUF_SIZE&nbsp;&nbsp;&nbsp;0x100
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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      &nbsp;
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    <td>

<p>
The libnet error buffer is 256 bytes long.     </td>
  </tr>
</table>
<a class="anchor" name="a12" doxytag="libnet-macros.h::LIBNET_MAX_PACKET" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_MAX_PACKET&nbsp;&nbsp;&nbsp;0xffff
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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      &nbsp;
    </td>
    <td>

<p>
The biggest an IP packet can be -- 65,535 bytes.     </td>
  </tr>
</table>
<a class="anchor" name="a19" doxytag="libnet-macros.h::LIBNET_MAXOPTION_SIZE" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_MAXOPTION_SIZE&nbsp;&nbsp;&nbsp;0x28
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    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
IP and TCP options can be up to 40 bytes long.     </td>
  </tr>
</table>
<a class="anchor" name="a3" doxytag="libnet-macros.h::LIBNET_OFF" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_OFF&nbsp;&nbsp;&nbsp;1
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Used several places, to specify "on" or "one"     </td>
  </tr>
</table>
<a class="anchor" name="a2" doxytag="libnet-macros.h::LIBNET_ON" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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    <td class="mdRow">
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          <td class="md" nowrap valign="top"> #define LIBNET_ON&nbsp;&nbsp;&nbsp;0
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
Used several places, to specify "on" or "one"     </td>
  </tr>
</table>
<a class="anchor" name="a5" doxytag="libnet-macros.h::LIBNET_PR2" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_PR2&nbsp;&nbsp;&nbsp;0
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    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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      &nbsp;
    </td>
    <td>

<p>
Used for <a class="el" href="libnet-functions_8h.html#a12">libnet_get_prand()</a> to specify function disposition     </td>
  </tr>
</table>
<a class="anchor" name="a1" doxytag="libnet-macros.h::LIBNET_RESOLVE" ></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
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          <td class="md" nowrap valign="top"> #define LIBNET_RESOLVE&nbsp;&nbsp;&nbsp;1
      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
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    <td>
      &nbsp;
    </td>
    <td>

<p>
Used for libnet's name resolution functions, specifies that a DNS lookup can be performed if needed to resolve the IP address to a canonical form.     </td>
  </tr>
</table>
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