1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>ieee80211_stop_tx_ba_session</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The 802.11 subsystems &#8211; for kernel developers"><link rel="up" href="ratecontrol-api.html" title="Chapter&#160;18.&#160;Rate Control API"><link rel="prev" href="API-ieee80211-start-tx-ba-cb-irqsafe.html" title="ieee80211_start_tx_ba_cb_irqsafe"><link rel="next" href="API-ieee80211-stop-tx-ba-cb-irqsafe.html" title="ieee80211_stop_tx_ba_cb_irqsafe"></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">ieee80211_stop_tx_ba_session</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-ieee80211-start-tx-ba-cb-irqsafe.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;18.&#160;Rate Control API</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-ieee80211-stop-tx-ba-cb-irqsafe.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-ieee80211-stop-tx-ba-session"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ieee80211_stop_tx_ba_session &#8212; 
2  Stop a Block Ack session.
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">int <b class="fsfunc">ieee80211_stop_tx_ba_session </b>(</code></td><td>struct ieee80211_sta * <var class="pdparam">sta</var>, </td></tr><tr><td>&#160;</td><td>u16 <var class="pdparam">tid</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1114363508"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>sta</code></em></span></dt><dd><p>
4     the station whose BA session to stop
5    </p></dd><dt><span class="term"><em class="parameter"><code>tid</code></em></span></dt><dd><p>
6     the TID to stop BA.
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1114366132"></a><h2>Return</h2><p>
8   negative error if the TID is invalid, or no aggregation active
9   </p><p>
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11   Although mac80211/low level driver/user space application can estimate
12   the need to stop aggregation on a certain RA/TID, the session level
13   will be managed by the mac80211.
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