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<!-- Copyright (C) 2003 Red Hat, Inc. --><!-- This material may be distributed only subject to the terms --><!-- and conditions set forth in the Open Publication License, v1.0 --><!-- or later (the latest version is presently available at --><!-- http://www.opencontent.org/openpub/). --><!-- Distribution of the work or derivative of the work in any --><!-- standard (paper) book form is prohibited unless prior --><!-- permission is obtained from the copyright holder. --><HTML><HEAD><TITLE>Maintenance Tools </TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="Tests and Demonstrations"HREF="net-common-tests-and-demonstrations.html"><LINKREL="PREVIOUS"TITLE="Interactive Tests"HREF="net-common-interactive-tests.html"><LINKREL="NEXT"TITLE="Support Features"HREF="net-common-support.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="net-common-interactive-tests.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 36. Tests and Demonstrations</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="net-common-support.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="NET-COMMON-MAINTENANCE-TOOLS">Maintenance Tools</H1><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="PROGRAMLISTING"><SPANCLASS="emphasis"><ICLASS="EMPHASIS">set_mac_address</I></SPAN> - set MAC address(es) of interfaces in NVRAM</PRE></TD></TR></TABLE><P>This program makes an example <TTCLASS="FUNCTION">ioctl()</TT> call<SPANCLASS="ACRONYM">SIOCSIFHWADDR</SPAN> “Socket IO Set InterFace HardWare ADDRess”to set the MAC address on targetswhere this is supported and enabled in the configuration. You mustedit the source to choose a MAC address and further edit it to allowthis very dangerous operation. Not all ethernet drivers supportthis operation, because most ethernet hardware does not supportit — or it comes pre-set from the factory.<SPANCLASS="emphasis"><ICLASS="EMPHASIS">Do not use this program.</I></SPAN></P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="net-common-interactive-tests.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="net-common-support.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Interactive Tests</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="net-common-tests-and-demonstrations.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Support Features</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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