<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >sk_run_filter</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="The Linux Kernel API" HREF="book1.html"><LINK REL="UP" TITLE="Socket Filter" HREF="x6151.html"><LINK REL="PREVIOUS" TITLE="Socket Filter" HREF="x6151.html"><LINK REL="NEXT" TITLE="sk_chk_filter" HREF="r6193.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Linux Kernel API</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x6151.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r6193.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="AEN6153" ></A ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >sk_run_filter</SPAN ></SPAN ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN6157" ></A ><H2 >Name</H2 >sk_run_filter -- run a filter on a socket </DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN6160" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN6162" ></A ><P ></P ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >sk_run_filter </TT ></CODE >(struct sk_buff * <TT CLASS="PARAMETER" ><I >skb</I ></TT >, struct sock_filter * <TT CLASS="PARAMETER" ><I >filter</I ></TT >, int <TT CLASS="PARAMETER" ><I >flen</I ></TT >);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN6172" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="PARAMETER" ><I >skb</I ></TT ></DT ><DD ><P > buffer to run the filter on </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >filter</I ></TT ></DT ><DD ><P > filter to apply </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >flen</I ></TT ></DT ><DD ><P > length of filter </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN6190" ></A ><H2 >Description</H2 ><P > Decode and apply filter instructions to the skb->data. Return length to keep, 0 for none. skb is the data we are filtering, filter is the array of filter instructions, and len is the number of filter blocks in the array. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x6151.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r6193.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Socket Filter</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="x6151.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >sk_chk_filter</SPAN ></SPAN ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >