1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>alloc_skb_with_frags</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-skb-gso-transport-seglen.html" title="skb_gso_transport_seglen"><link rel="next" href="API-sk-ns-capable.html" title="sk_ns_capable"></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">alloc_skb_with_frags</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-skb-gso-transport-seglen.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-sk-ns-capable.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-alloc-skb-with-frags"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>alloc_skb_with_frags &#8212; 
2     allocate skb with page frags
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">struct sk_buff * <b class="fsfunc">alloc_skb_with_frags </b>(</code></td><td>unsigned long <var class="pdparam">header_len</var>, </td></tr><tr><td>&#160;</td><td>unsigned long <var class="pdparam">data_len</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">max_page_order</var>, </td></tr><tr><td>&#160;</td><td>int * <var class="pdparam">errcode</var>, </td></tr><tr><td>&#160;</td><td>gfp_t <var class="pdparam">gfp_mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1096453964"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>header_len</code></em></span></dt><dd><p>
4     size of linear part
5    </p></dd><dt><span class="term"><em class="parameter"><code>data_len</code></em></span></dt><dd><p>
6     needed length in frags
7    </p></dd><dt><span class="term"><em class="parameter"><code>max_page_order</code></em></span></dt><dd><p>
8     max page order desired.
9    </p></dd><dt><span class="term"><em class="parameter"><code>errcode</code></em></span></dt><dd><p>
10     pointer to error code if any
11    </p></dd><dt><span class="term"><em class="parameter"><code>gfp_mask</code></em></span></dt><dd><p>
12     allocation mask
13    </p></dd></dl></div></div><div class="refsect1"><a name="idp1096459644"></a><h2>Description</h2><p>
14   This can be used to allocate a paged skb, given a maximal order for frags.
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