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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>netdev_increment_features</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#id2748878" title="Driver Support" /><link rel="prev" href="re250.html" title="dev_change_net_namespace" /><link rel="next" href="re252.html" title="eth_header" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>netdev_increment_features</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re250.html">Prev</a> </td><th width="60%" align="center">Driver Support</th><td width="20%" align="right"> <a accesskey="n" href="re252.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="netdev_increment_features"><a id="API-netdev-increment-features"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>netdev_increment_features —
increment feature set by one
</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">unsigned long <b class="fsfunc">netdev_increment_features </b>(</code></td><td>unsigned long <var class="pdparam">all</var>, </td></tr><tr><td> </td><td>unsigned long <var class="pdparam">one</var>, </td></tr><tr><td> </td><td>unsigned long <var class="pdparam">mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2756678"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>all</code></em></span></dt><dd><p>
current feature set
</p></dd><dt><span class="term"><em class="parameter"><code>one</code></em></span></dt><dd><p>
new feature set
</p></dd><dt><span class="term"><em class="parameter"><code>mask</code></em></span></dt><dd><p>
mask feature set
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2756738"></a><h2>Description</h2><p>
Computes a new feature set after adding a device with feature set
<em class="parameter"><code>one</code></em> to the master device with current feature set <em class="parameter"><code>all</code></em>. Will not
enable anything that is off in <em class="parameter"><code>mask</code></em>. Returns the new feature set.
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