<?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>cfg80211_testmode_alloc_event_skb</title><meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /><link rel="home" href="index.html" title="The 802.11 subsystems – for kernel developers" /><link rel="up" href="bk01ch08.html" title="Chapter 8. Test mode" /><link rel="prev" href="API-cfg80211-testmode-reply.html" title="cfg80211_testmode_reply" /><link rel="next" href="API-cfg80211-testmode-event.html" title="cfg80211_testmode_event" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>cfg80211_testmode_alloc_event_skb</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-cfg80211-testmode-reply.html">Prev</a> </td><th width="60%" align="center">Chapter 8. Test mode</th><td width="20%" align="right"> <a accesskey="n" href="API-cfg80211-testmode-event.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="cfg80211_testmode_alloc_event_skb"><a id="API-cfg80211-testmode-alloc-event-skb"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>cfg80211_testmode_alloc_event_skb — allocate testmode event </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">struct sk_buff * <strong>fsfunccfg80211_testmode_alloc_event_skb </strong>(</code></td><td>struct wiphy * <var class="pdparam">wiphy</var>, </td></tr><tr><td> </td><td>int <var class="pdparam">approxlen</var>, </td></tr><tr><td> </td><td>gfp_t <var class="pdparam">gfp</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3044309"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>wiphy</code></em></span></dt><dd><p> the wiphy </p></dd><dt><span class="term"><em class="parameter"><code>approxlen</code></em></span></dt><dd><p> an upper bound of the length of the data that will be put into the skb </p></dd><dt><span class="term"><em class="parameter"><code>gfp</code></em></span></dt><dd><p> allocation flags </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3044371"></a><h2>Description</h2><p> This function allocates and pre-fills an skb for an event on the testmode multicast group. </p><p> The returned skb (or <code class="constant">NULL</code> if any errors happen) is set up in the same way as with <code class="function">cfg80211_testmode_alloc_reply_skb</code> but prepared for an event. As there, you should simply add data to it that will then end up in the <code class="constant">NL80211_ATTR_TESTDATA</code> attribute. Again, you must not modify the skb in any other way. </p><p> When done filling the skb, call <code class="function">cfg80211_testmode_event</code> with the skb to send the event. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-cfg80211-testmode-reply.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bk01ch08.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-cfg80211-testmode-event.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>cfg80211_testmode_reply</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>cfg80211_testmode_event</span></td></tr></table></div></body></html>