1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>napi_schedule_prep</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#idp1097739572" title="Driver Support"><link rel="prev" href="API-eth-skb-pad.html" title="eth_skb_pad"><link rel="next" href="API-napi-schedule.html" title="napi_schedule"></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 class="phrase">napi_schedule_prep</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-eth-skb-pad.html">Prev</a>&#160;</td><th width="60%" align="center">Driver Support</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-napi-schedule.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-napi-schedule-prep"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>napi_schedule_prep &#8212; 
2  check if napi can be scheduled
3 </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">bool <b class="fsfunc">napi_schedule_prep </b>(</code></td><td>struct napi_struct * <var class="pdparam">n</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1098695388"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>n</code></em></span></dt><dd><p>
4     napi context
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1098696980"></a><h2>Description</h2><p>
6   Test if NAPI routine is already running, and if not mark
7   it as running.  This is used as a condition variable
8   insure only one NAPI poll instance runs.  We also make
9   sure there is no pending NAPI disable.
10</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-eth-skb-pad.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="netdev.html#idp1097739572">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-napi-schedule.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">eth_skb_pad</span>&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">napi_schedule</span></td></tr></table></div></body></html>
11