1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>netdev_cap_txqueue</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs"><link rel="up" href="netdev.html#idp1097739572" title="Driver Support"><link rel="prev" href="API-netdev-reset-queue.html" title="netdev_reset_queue"><link rel="next" href="API-netif-running.html" title="netif_running"></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">netdev_cap_txqueue</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-netdev-reset-queue.html">Prev</a>&#160;</td><th width="60%" align="center">Driver Support</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-netif-running.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-netdev-cap-txqueue"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>netdev_cap_txqueue &#8212; 
2     check if selected tx queue exceeds device queues
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">u16 <b class="fsfunc">netdev_cap_txqueue </b>(</code></td><td>struct net_device * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>u16 <var class="pdparam">queue_index</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1098870252"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     network device
5    </p></dd><dt><span class="term"><em class="parameter"><code>queue_index</code></em></span></dt><dd><p>
6     given tx queue index
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1098872868"></a><h2>Description</h2><p>
8   Returns 0 if given tx queue index &gt;= number of device tx queues,
9   otherwise returns the originally passed tx queue index.
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