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openairinterface5g/openair3/PMIPv6/chkconf_kernel.sh
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2013-06-25 09:05:02 +00:00

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#!/bin/sh
# Simple shell script to check kernel configuration sanity
# for use with MIPL Mobile IPv6
#
# Author: Antti Tuominen <anttit@tcs.hut.fi>
#
# $Id: chkconf_kernel.sh 1.3 05/05/16 12:15:16+03:00 vnuorval@tcs.hut.fi $
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version
# 2 of the License, or (at your option) any later version.
# Default settings for kernel
EXPERIMENTAL=y
SYSVIPC=y
PROC_FS=y
NET=y
NET_KEY=y
NET_KEY_MIGRATE=y
INET=y
IPV6=y
INET6_ESP=y
IPV6_TUNNEL=y
IPV6_MULTIPLE_TABLES=y
IPV6_SUBTREES=y
IPV6_MIP6=y
XFRM=y
XFRM_USER=y
XFRM_SUB_POLICY=y
INET6_XFRM_MODE_ROUTEOPTIMIZATION=y
COMMON="EXPERIMENTAL SYSVIPC PROC_FS NET INET IPV6 IPV6_MIP6 \
XFRM XFRM_USER XFRM_SUB_POLICY INET6_XFRM_MODE_ROUTEOPTIMIZATION"
MNHA="IPV6_TUNNEL IPV6_MULTIPLE_TABLES"
MN="IPV6_SUBTREES"
IPSEC="INET6_ESP"
PFKEY="NET_KEY NET_KEY_MIGRATE"
TAGS="$COMMON $MNHA $MN $IPSEC $PFKEY"
if [ "$1" = "" ] ; then
KERNELCONFIG="/proc/config.gz"
CAT=zcat
else
LINUX=$1
KERNELCONFIG="$LINUX/.config"
CAT=cat
fi
if [ ! -f $KERNELCONFIG ] ; then
echo "$KERNELCONFIG does not exist."
exit 1
fi
WARN=0;
echo
echo "Checking kernel configuration..."
echo "Using $KERNELCONFIG";
for TAG in $TAGS ; do
VAL=`$CAT $KERNELCONFIG | sed -ne "/$TAG[= ]/s/^CONFIG_$TAG[= ]//gp"`;
eval "DFLT=\$$TAG";
if [ "$VAL" != "$DFLT" ] ; then
if [ -z "$VAL" ] ; then
VERDICT="not supported";
else
VERDICT="$VAL";
fi
echo " Warning: CONFIG_$TAG should be set to $DFLT ($VERDICT)";
let WARN=$WARN+1;
fi
done
echo
if [ $WARN -eq 0 ] ; then
echo "All kernel options are as they should.";
else
echo "Above $WARN options may conflict with MIPL.";
echo "If you are not sure, use the recommended setting.";
fi
echo