<?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>struct ieee80211_rx_status</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="ch04s05.html" title="functions/definitions" /><link rel="next" href="re18.html" title="enum mac80211_rx_flags" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>struct ieee80211_rx_status</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch04s05.html">Prev</a> </td><th width="60%" align="center">functions/definitions</th><td width="20%" align="right"> <a accesskey="n" href="re18.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="struct ieee80211_rx_status"><a id="API-struct-ieee80211-rx-status"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct ieee80211_rx_status — receive status </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting"> struct ieee80211_rx_status { u64 mactime; enum ieee80211_band band; int freq; int signal; int noise; int qual; int antenna; int rate_idx; int flag; }; </pre></div><div class="refsect1" title="Members"><a id="id3097184"></a><h2>Members</h2><div class="variablelist"><dl><dt><span class="term">mactime</span></dt><dd><p> value in microseconds of the 64-bit Time Synchronization Function (TSF) timer when the first data symbol (MPDU) arrived at the hardware. </p></dd><dt><span class="term">band</span></dt><dd><p> the active band when this frame was received </p></dd><dt><span class="term">freq</span></dt><dd><p> frequency the radio was tuned to when receiving this frame, in MHz </p></dd><dt><span class="term">signal</span></dt><dd><p> signal strength when receiving this frame, either in dBm, in dB or unspecified depending on the hardware capabilities flags <em class="parameter"><code>IEEE80211_HW_SIGNAL_</code></em>* </p></dd><dt><span class="term">noise</span></dt><dd><p> noise when receiving this frame, in dBm. </p></dd><dt><span class="term">qual</span></dt><dd><p> overall signal quality indication, in percent (0-100). </p></dd><dt><span class="term">antenna</span></dt><dd><p> antenna used </p></dd><dt><span class="term">rate_idx</span></dt><dd><p> index of data rate into band's supported rates or MCS index if HT rates are use (RX_FLAG_HT) </p></dd><dt><span class="term">flag</span></dt><dd><p> <code class="constant">RX_FLAG_</code>* </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3097311"></a><h2>Description</h2><p> </p><p> The low-level driver should provide this information (the subset supported by hardware) to the 802.11 code with each received frame, in the skb's control buffer (cb). </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch04s05.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="re18.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">functions/definitions </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>enum mac80211_rx_flags</span></td></tr></table></div></body></html>