1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>skb_needs_linearize</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="ch01s02.html" title="Socket Buffer Functions"><link rel="prev" href="API-pskb-trim-rcsum.html" title="pskb_trim_rcsum"><link rel="next" href="API-skb-get-timestamp.html" title="skb_get_timestamp"></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">skb_needs_linearize</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-pskb-trim-rcsum.html">Prev</a>&#160;</td><th width="60%" align="center">Socket Buffer Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-skb-get-timestamp.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-skb-needs-linearize"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>skb_needs_linearize &#8212; 
2     check if we need to linearize a given skb depending on the given device features.
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">bool <b class="fsfunc">skb_needs_linearize </b>(</code></td><td>struct sk_buff * <var class="pdparam">skb</var>, </td></tr><tr><td>&#160;</td><td>netdev_features_t <var class="pdparam">features</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1095745740"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>skb</code></em></span></dt><dd><p>
4     socket buffer to check
5    </p></dd><dt><span class="term"><em class="parameter"><code>features</code></em></span></dt><dd><p>
6     net device features
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1095748300"></a><h2>Returns true if either</h2><p>
8   1. skb has frag_list and the device doesn't support FRAGLIST, or
9   2. skb is fragmented and the device does not support SG.
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