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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>register_netdev</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch02.html#id2714553" title="Driver Support" /><link rel="prev" href="re243.html" title="init_dummy_netdev" /><link rel="next" href="re245.html" title="dev_txq_stats_fold" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>register_netdev</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re243.html">Prev</a> </td><th width="60%" align="center">Driver Support</th><td width="20%" align="right"> <a accesskey="n" href="re245.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="register_netdev"><a id="API-register-netdev"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>register_netdev —
register a network device
</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">int <b class="fsfunc">register_netdev </b>(</code></td><td>struct net_device * <var class="pdparam">dev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2721107"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
device to register
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2721134"></a><h2>Description</h2><p>
Take a completed network device structure and add it to the kernel
interfaces. A <code class="constant">NETDEV_REGISTER</code> message is sent to the netdev notifier
chain. 0 is returned on success. A negative errno code is returned
on a failure to set up the device, or if the name is a duplicate.
</p><p>
This is a wrapper around register_netdevice that takes the rtnl semaphore
and expands the device name if you passed a format string to
alloc_netdev.
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