<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >sppp_change_mtu</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="Synchronous PPP and Cisco HDLC Programming Guide" HREF="book1.html"><LINK REL="UP" TITLE="Public Functions Provided" HREF="c35.html"><LINK REL="PREVIOUS" TITLE="sppp_reopen" HREF="r124.html"><LINK REL="NEXT" TITLE="sppp_do_ioctl" HREF="r185.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" >Synchronous PPP and Cisco HDLC Programming Guide</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="r124.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r185.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="AEN152" ></A ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >sppp_change_mtu</SPAN ></SPAN ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN156" ></A ><H2 >Name</H2 >sppp_change_mtu -- Change the link MTU </DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN159" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN161" ></A ><P ></P ><P ><CODE ><CODE CLASS="FUNCDEF" >int <TT CLASS="FUNCTION" >sppp_change_mtu </TT ></CODE >(struct net_device * <TT CLASS="PARAMETER" ><I >dev</I ></TT >, int <TT CLASS="PARAMETER" ><I >new_mtu</I ></TT >);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN169" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="PARAMETER" ><I >dev</I ></TT ></DT ><DD ><P > Device to change MTU on </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >new_mtu</I ></TT ></DT ><DD ><P > New MTU </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN182" ></A ><H2 >Description</H2 ><P > Change the MTU on the link. This can only be called with the link down. It returns an error if the link is up or the mtu is out of range. </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="r124.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="r185.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >sppp_reopen</SPAN ></SPAN ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="c35.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >sppp_do_ioctl</SPAN ></SPAN ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >