<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>probe::netfilter.arp.forward</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="networking.stp.html" title="Chapter 13. Networking Tapset"><link rel="prev" href="API-netdev-unregister.html" title="probe::netdev.unregister"><link rel="next" href="API-netfilter-arp-in.html" title="probe::netfilter.arp.in"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>probe::netfilter.arp.forward</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-netdev-unregister.html">Prev</a> </td><th width="60%" align="center">Chapter 13. Networking Tapset</th><td width="20%" align="right"> <a accesskey="n" href="API-netfilter-arp-in.html">Next</a></td></tr></table><hr></div><div class="refentry" title="probe::netfilter.arp.forward"><a name="API-netfilter-arp-forward"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>probe::netfilter.arp.forward —
- Called for each ARP packet to be forwarded
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="synopsis">netfilter.arp.forward </pre></div><div class="refsect1" title="Values"><a name="idp4544712"></a><h2>Values</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>indev</code></em></span></dt><dd><p>
Address of net_device representing input device, 0 if unknown
</p></dd><dt><span class="term"><em class="parameter"><code>nf_accept</code></em></span></dt><dd><p>
Constant used to signify an 'accept' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>ar_sha</code></em></span></dt><dd><p>
Ethernet+IP only (ar_pro==0x800): source hardware (MAC) address
</p></dd><dt><span class="term"><em class="parameter"><code>pf</code></em></span></dt><dd><p>
Protocol family -- always <span class="quote">“<span class="quote">arp</span>”</span>
</p></dd><dt><span class="term"><em class="parameter"><code>ar_sip</code></em></span></dt><dd><p>
Ethernet+IP only (ar_pro==0x800): source IP address
</p></dd><dt><span class="term"><em class="parameter"><code>nf_queue</code></em></span></dt><dd><p>
Constant used to signify a 'queue' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>ar_op</code></em></span></dt><dd><p>
ARP opcode (command)
</p></dd><dt><span class="term"><em class="parameter"><code>nf_stolen</code></em></span></dt><dd><p>
Constant used to signify a 'stolen' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>outdev_name</code></em></span></dt><dd><p>
Name of network device packet will be routed to (if known)
</p></dd><dt><span class="term"><em class="parameter"><code>nf_drop</code></em></span></dt><dd><p>
Constant used to signify a 'drop' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>ar_hln</code></em></span></dt><dd><p>
Length of hardware address
</p></dd><dt><span class="term"><em class="parameter"><code>ar_pro</code></em></span></dt><dd><p>
Format of protocol address
</p></dd><dt><span class="term"><em class="parameter"><code>ar_pln</code></em></span></dt><dd><p>
Length of protocol address
</p></dd><dt><span class="term"><em class="parameter"><code>ar_tip</code></em></span></dt><dd><p>
Ethernet+IP only (ar_pro==0x800): target IP address
</p></dd><dt><span class="term"><em class="parameter"><code>nf_stop</code></em></span></dt><dd><p>
Constant used to signify a 'stop' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>arphdr</code></em></span></dt><dd><p>
Address of ARP header
</p></dd><dt><span class="term"><em class="parameter"><code>length</code></em></span></dt><dd><p>
The length of the packet buffer contents, in bytes
</p></dd><dt><span class="term"><em class="parameter"><code>outdev</code></em></span></dt><dd><p>
Address of net_device representing output device, 0 if unknown
</p></dd><dt><span class="term"><em class="parameter"><code>ar_tha</code></em></span></dt><dd><p>
Ethernet+IP only (ar_pro==0x800): target hardware (MAC) address
</p></dd><dt><span class="term"><em class="parameter"><code>ar_data</code></em></span></dt><dd><p>
Address of ARP packet data region (after the header)
</p></dd><dt><span class="term"><em class="parameter"><code>nf_repeat</code></em></span></dt><dd><p>
Constant used to signify a 'repeat' verdict
</p></dd><dt><span class="term"><em class="parameter"><code>indev_name</code></em></span></dt><dd><p>
Name of network device packet was received on (if known)
</p></dd><dt><span class="term"><em class="parameter"><code>ar_hrd</code></em></span></dt><dd><p>
Format of hardware address
</p></dd></dl></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-netdev-unregister.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="networking.stp.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-netfilter-arp-in.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>probe::netdev.unregister</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>probe::netfilter.arp.in</span></td></tr></table></div></body></html>
