1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>bpf_prog_create_from_user</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="ch01s03.html" title="Socket Filter"><link rel="prev" href="API-bpf-prog-create.html" title="bpf_prog_create"><link rel="next" href="API---sk-attach-filter.html" title="__sk_attach_filter"></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">bpf_prog_create_from_user</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-bpf-prog-create.html">Prev</a> </td><th width="60%" align="center">Socket Filter</th><td width="20%" align="right"> <a accesskey="n" href="API---sk-attach-filter.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-bpf-prog-create-from-user"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>bpf_prog_create_from_user — 
2     create an unattached filter from user buffer
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">int <b class="fsfunc">bpf_prog_create_from_user </b>(</code></td><td>struct bpf_prog ** <var class="pdparam">pfp</var>, </td></tr><tr><td> </td><td>struct sock_fprog * <var class="pdparam">fprog</var>, </td></tr><tr><td> </td><td>bpf_aux_classic_check_t <var class="pdparam">trans</var>, </td></tr><tr><td> </td><td>bool <var class="pdparam">save_orig</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.3.4.4.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pfp</code></em></span></dt><dd><p>
4     the unattached filter that is created
5    </p></dd><dt><span class="term"><em class="parameter"><code>fprog</code></em></span></dt><dd><p>
6     the filter program
7    </p></dd><dt><span class="term"><em class="parameter"><code>trans</code></em></span></dt><dd><p>
8     post-classic verifier transformation handler
9    </p></dd><dt><span class="term"><em class="parameter"><code>save_orig</code></em></span></dt><dd><p>
10     save classic BPF program
11    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.3.4.4.6"></a><h2>Description</h2><p>
12   This function effectively does the same as <code class="function"><a class="link" href="API-bpf-prog-create.html" title="bpf_prog_create">bpf_prog_create</a></code>, only
13   that it builds up its insns buffer from user space provided buffer.
14   It also allows for passing a bpf_aux_classic_check_t handler.
15</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-bpf-prog-create.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch01s03.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API---sk-attach-filter.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">bpf_prog_create</span> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">__sk_attach_filter</span></td></tr></table></div></body></html>
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