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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>skb_padto</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><link rel="home" href="index.html" title="Linux Networking and Network Devices APIs" /><link rel="up" href="ch01s02.html" title="Socket Buffer Functions" /><link rel="prev" href="re37.html" title="skb_cow_head" /><link rel="next" href="re39.html" title="skb_linearize" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>skb_padto</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re37.html">Prev</a> </td><th width="60%" align="center">Socket Buffer Functions</th><td width="20%" align="right"> <a accesskey="n" href="re39.html">Next</a></td></tr></table><hr /></div><div class="refentry" title="skb_padto"><a id="API-skb-padto"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>skb_padto —
pad an skbuff up to a minimal size
</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">int <b class="fsfunc">skb_padto </b>(</code></td><td>struct sk_buff * <var class="pdparam">skb</var>, </td></tr><tr><td> </td><td>unsigned int <var class="pdparam">len</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Arguments"><a id="id2723283"></a><h2>Arguments</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>skb</code></em></span></dt><dd><p>
buffer to pad
</p></dd><dt><span class="term"><em class="parameter"><code>len</code></em></span></dt><dd><p>
minimal length
</p></dd></dl></div></div><div class="refsect1" title="Description"><a id="id2723324"></a><h2>Description</h2><p>
Pads up a buffer to ensure the trailing bytes exist and are
blanked. If the buffer already contains sufficient data it
is untouched. Otherwise it is extended. Returns zero on
success. The skb is freed on error.
</p></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re37.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch01s02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re39.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span>skb_cow_head</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>skb_linearize</span></td></tr></table></div></body></html>
