<?xml version="1.0" encoding="ANSI_X3.4-1968" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://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/html; charset=ANSI_X3.4-1968" /><title>netdev_rx_handler_register</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="netdev.html#idm140045377028672" title="Driver Support" /><link rel="prev" href="API-netif-rx.html" title="netif_rx" /><link rel="next" href="API-netdev-rx-handler-unregister.html" title="netdev_rx_handler_unregister" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">netdev_rx_handler_register</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-netif-rx.html">Prev</a> </td><th width="60%" align="center">Driver Support</th><td width="20%" align="right"> <a accesskey="n" href="API-netdev-rx-handler-unregister.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-netdev-rx-handler-register"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>netdev_rx_handler_register — register receive handler </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <strong class="fsfunc">netdev_rx_handler_register </strong>(</code></td><td>struct net_device * <var class="pdparam">dev</var>, </td></tr><tr><td> </td><td>rx_handler_func_t * <var class="pdparam">rx_handler</var>, </td></tr><tr><td> </td><td>void * <var class="pdparam">rx_handler_data</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a id="idm140045376402544"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p> device to register a handler for </p></dd><dt><span class="term"><em class="parameter"><code>rx_handler</code></em></span></dt><dd><p> receive handler to register </p></dd><dt><span class="term"><em class="parameter"><code>rx_handler_data</code></em></span></dt><dd><p> data pointer that is used by rx handler </p></dd></dl></div></div><div class="refsect1"><a id="idm140045376395312"></a><h2>Description</h2><p> Register a receive hander for a device. This handler will then be called from __netif_receive_skb. A negative errno code is returned on a failure. </p><p> The caller must hold the rtnl_mutex. </p><p> For a general description of rx_handler, see enum rx_handler_result. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-netif-rx.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="netdev.html#idm140045377028672">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-netdev-rx-handler-unregister.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">netif_rx</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">netdev_rx_handler_unregister</span></td></tr></table></div></body></html>