Sophie: kernel-doc-3.11.10-100.fc18 noarch

kernel-doc-3.11.10-100.fc18.noarch.rpm

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>skb_copy_ubufs</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-morph.html" title="skb_morph" /><link rel="next" href="API-skb-clone.html" title="skb_clone" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">skb_copy_ubufs</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-skb-morph.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-clone.html">Next</a></td></tr></table><hr /></div><div class="refentry"><a id="API-skb-copy-ubufs"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>skb_copy_ubufs &#8212; 
     copy userspace skb frags buffers to kernel
 </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 <strong class="fsfunc">skb_copy_ubufs </strong>(</code></td><td>struct sk_buff * <var class="pdparam">skb</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 id="idm140045379880528"></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>
     the skb to modify
    </p></dd><dt><span class="term"><em class="parameter"><code>gfp_mask</code></em></span></dt><dd><p>
     allocation priority
    </p></dd></dl></div></div><div class="refsect1"><a id="idm140045379875568"></a><h2>Description</h2><p>
   This must be called on SKBTX_DEV_ZEROCOPY skb.
   It will copy all frags into kernel and drop the reference
   to userspace pages.
   </p><p>

   If this function is called from an interrupt <code class="function">gfp_mask</code> must be
   <code class="constant">GFP_ATOMIC</code>.
   </p><p>

   Returns 0 on success or a negative error code on failure
   to allocate kernel memory to copy to.
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