<?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_tx_info</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="bk02pt01ch04s05.html" title="functions/definitions" /><link rel="prev" href="API-struct-ieee80211-tx-rate.html" title="struct ieee80211_tx_rate" /><link rel="next" href="API-ieee80211-tx-info-clear-status.html" title="ieee80211_tx_info_clear_status" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>struct ieee80211_tx_info</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-struct-ieee80211-tx-rate.html">Prev</a> </td><th width="60%" align="center">functions/definitions</th><td width="20%" align="right"> <a accesskey="n" href="API-ieee80211-tx-info-clear-status.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="struct ieee80211_tx_info"><a id="API-struct-ieee80211-tx-info"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>struct ieee80211_tx_info — skb transmit information </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting"> struct ieee80211_tx_info { u32 flags; u8 band; u8 antenna_sel_tx; u8 pad[2]; union {unnamed_union}; }; </pre></div><div class="refsect1" title="Members"><a id="id3049336"></a><h2>Members</h2><div class="variablelist"><dl><dt><span class="term">flags</span></dt><dd><p> transmit info flags, defined above </p></dd><dt><span class="term">band</span></dt><dd><p> the band to transmit on (use for checking for races) </p></dd><dt><span class="term">antenna_sel_tx</span></dt><dd><p> antenna to use, 0 for automatic diversity </p></dd><dt><span class="term">pad[2]</span></dt><dd><p> padding, ignore </p></dd><dt><span class="term">{unnamed_union}</span></dt><dd><p> anonymous </p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id3049404"></a><h2>Description</h2><p> </p><p> This structure is placed in skb->cb for three uses: (1) mac80211 TX control - mac80211 tells the driver what to do (2) driver internal use (if applicable) (3) TX status information - driver tells mac80211 what happened </p><p> The TX control's sta pointer is only valid during the ->tx call, it may be NULL. </p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-struct-ieee80211-tx-rate.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="bk02pt01ch04s05.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-ieee80211-tx-info-clear-status.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>struct ieee80211_tx_rate</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_tx_info_clear_status</span></td></tr></table></div></body></html>