<?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>ieee80211_ctstoself_get</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="The mac80211 subsystem for kernel developers" /><link rel="up" href="ch04s05.html" title="functions/definitions" /><link rel="prev" href="re25.html" title="ieee80211_rts_duration" /><link rel="next" href="re27.html" title="ieee80211_ctstoself_duration" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>ieee80211_ctstoself_get</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re25.html">Prev</a> </td><th width="60%" align="center">functions/definitions</th><td width="20%" align="right"> <a accesskey="n" href="re27.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="ieee80211_ctstoself_get"><a id="API-ieee80211-ctstoself-get"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ieee80211_ctstoself_get —
CTS-to-self frame generation function
</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">void <b class="fsfunc">ieee80211_ctstoself_get </b>(</code></td><td>struct ieee80211_hw * <var class="pdparam">hw</var>, </td></tr><tr><td> </td><td>struct ieee80211_vif * <var class="pdparam">vif</var>, </td></tr><tr><td> </td><td>const void * <var class="pdparam">frame</var>, </td></tr><tr><td> </td><td>size_t <var class="pdparam">frame_len</var>, </td></tr><tr><td> </td><td>const struct ieee80211_tx_info * <var class="pdparam">frame_txctl</var>, </td></tr><tr><td> </td><td>struct ieee80211_cts * <var class="pdparam">cts</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id3098891"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>hw</code></em></span></dt><dd><p>
pointer obtained from <code class="function">ieee80211_alloc_hw</code>.
</p></dd><dt><span class="term"><em class="parameter"><code>vif</code></em></span></dt><dd><p>
<span class="structname">struct ieee80211_vif</span> pointer from <span class="structname">struct ieee80211_if_init_conf</span>.
</p></dd><dt><span class="term"><em class="parameter"><code>frame</code></em></span></dt><dd><p>
pointer to the frame that is going to be protected by the CTS-to-self.
</p></dd><dt><span class="term"><em class="parameter"><code>frame_len</code></em></span></dt><dd><p>
the frame length (in octets).
</p></dd><dt><span class="term"><em class="parameter"><code>frame_txctl</code></em></span></dt><dd><p>
<span class="structname">struct ieee80211_tx_info</span> of the frame.
</p></dd><dt><span class="term"><em class="parameter"><code>cts</code></em></span></dt><dd><p>
The buffer where to store the CTS-to-self frame.
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3099015"></a><h2>Description</h2><p>
If the CTS-to-self frames are generated by the host system (i.e., not in
hardware/firmware), the low-level driver uses this function to receive
the next CTS-to-self frame from the 802.11 code. The low-level is responsible
for calling this function before and CTS-to-self frame is needed.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re25.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch04s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re27.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>ieee80211_rts_duration</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>ieee80211_ctstoself_duration</span></td></tr></table></div></body></html>
