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281 lines
7.9 KiB
281 lines
7.9 KiB
#!/bin/sh
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################################################################################
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## ##
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## Copyright (c) International Business Machines Corp., 2006 ##
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## ##
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## This program is free software; you can redistribute it and#or modify ##
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## it under the terms of the GNU General Public License as published by ##
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## the Free Software Foundation; either version 2 of the License, or ##
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## (at your option) any later version. ##
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## ##
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## This program is distributed in the hope that it will be useful, but ##
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## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
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## for more details. ##
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## ##
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## You should have received a copy of the GNU General Public License ##
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## along with this program; if not, write to the Free Software ##
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## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
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## ##
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## ##
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################################################################################
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#
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# File:
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# route4-rmmod
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#
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# Description:
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# Verify the kernel is not crashed when IPv4 route is add then it is deleted
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# by the removing network driver
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#
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# Setup:
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# See testcases/network/stress/README
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#
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# Author:
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# Mitsuru Chinen <mitch@jp.ibm.com>
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#
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# History:
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# Apr 8 2006 - Created (Mitsuru Chinen)
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#
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#-----------------------------------------------------------------------
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# Uncomment line below for debug output.
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#trace_logic=${trace_logic:-"set -x"}
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$trace_logic
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# Make sure the value of LTPROOT
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LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`}
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export LTPROOT
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# Total number of the test case
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TST_TOTAL=2
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export TST_TOTAL
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# Default of the test case ID and the test case count
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TCID=route4-rmmod
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TST_COUNT=0
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export TCID
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export TST_COUNT
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# Check the environmanet variable
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. check_envval || exit $TST_TOTAL
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# The number of times where IPv4 route is add/delete
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NS_TIMES=${NS_TIMES:-10000}
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# The number of the test link where tests run
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LINK_NUM=${LINK_NUM:-0}
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# Network portion of the IPv4 address
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IPV4_NETWORK=${IPV4_NETWORK:-"10.0.0"}
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# Netmask of for the tested network
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IPV4_NETMASK="255.255.255.0"
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IPV4_NETMASK_NUM=24
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# Broadcast address of the tested network
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IPV4_BROADCAST=${IPV4_NETWORK}.255
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# Host portion of the IPv4 address
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LHOST_IPV4_HOST=${LHOST_IPV4_HOST:-"2"} # src
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RHOST_IPV4_HOST=${RHOST_IPV4_HOST:-"1"} # gateway
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# The destination network
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DST_NETWORK="10.10.10" # destination network would be 10.10.10.0/24
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DST_HOST="5"
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DST_PORT="7"
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#-----------------------------------------------------------------------
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#
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# NAME:
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# do_cleanup
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#
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# DESCRIPTION:
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# Recover the tested interfaces
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#
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#-----------------------------------------------------------------------
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do_cleanup()
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{
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# Make sure to load the network driver
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if [ x${lhost_module} != x ]; then
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modprobe $lhost_module
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fi
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# Initialize the interfaces
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initialize_if lhost ${LINK_NUM}
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initialize_if rhost ${LINK_NUM}
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}
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#-----------------------------------------------------------------------
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#
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# NAME:
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# do_setup
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#
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# DESCRIPTION:
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# Make a IPv4 connectivity
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#
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#-----------------------------------------------------------------------
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do_setup()
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{
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# Check the local host has ethtool utility
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which ethtool >/dev/null
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if [ $? -ne 0 ]; then
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tst_resm TBROK "This test case requires ethtool utility"
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exit $TST_TOTAL
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fi
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# Make sure to clean up
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do_cleanup
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# Set IPv4 address to the interfaces of the remote host
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set_ipv4addr rhost ${LINK_NUM} ${IPV4_NETWORK} ${RHOST_IPV4_HOST}
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if [ $? -ne 0 ]; then
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tst_resm TBROK "Failed to add an IPv4 address the remote host"
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exit $TST_TOTAL
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fi
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rhost_ipv4addr="${IPV4_NETWORK}.${RHOST_IPV4_HOST}"
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# Assign IPv4 address to the interface of the local host
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set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST}
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if [ $? -ne 0 ]; then
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tst_resm TBROK "Failed to assign an IPv4 address at the local host"
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return 1
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fi
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lhost_ipv4addr="${IPV4_NETWORK}.${LHOST_IPV4_HOST}"
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# Get the Interface names
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lhost_ifname=`get_ifname lhost ${LINK_NUM}`
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if [ $? -ne 0 ]; then
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tst_resm TBROK "Failed to get the interface name at the local host"
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exit $TST_TOTAL
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fi
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rhost_ifname=`get_ifname rhost ${LINK_NUM}`
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if [ $? -ne 0 ]; then
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tst_resm TBROK "Failed to get the interface name at the remote host"
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exit $TST_TOTAL
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fi
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# Get the module name of the interface at the local host
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lhost_module=`ethtool -i $lhost_ifname | grep driver | sed "s/driver:[[:blank:]]*//"`
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# Chack the other active interface uses the same driver
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for ifname in `ifconfig | grep ^eth | awk '{ print $1}'`; do
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if [ $lhost_ifname = $ifname ]; then
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continue
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fi
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module=`ethtool -i $ifname | grep driver | sed "s/driver:[[:blank:]]*//"`
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if [ $lhost_module = $module ]; then
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tst_resm TBROK "An active interface $ifname uses the same network deriver $module with the test intreface."
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exit $TST_TOTAL
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fi
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done
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# Set the variables for destination network
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dst_addr=${DST_NETWORK}.${DST_HOST}
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dst_network=${DST_NETWORK}.0
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}
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#-----------------------------------------------------------------------
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#
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# FUNCTION:
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# test_body
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#
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# DESCRIPTION:
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# main code of the test
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#
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# Arguments:
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# $1: define the test type
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# 1 - route command case
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# 2 - ip command case
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#
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#-----------------------------------------------------------------------
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test_body()
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{
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test_type=$1
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TCID=route4-rmmod0${test_type}
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TST_COUNT=$test_type
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case $test_type in
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1)
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tst_resm TINFO "Verify the kernel is not crashed when IPv4 route is add by route command then it is deleted by removing network driver in $NS_TIMES times"
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;;
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2)
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tst_resm TINFO "Verify the kernel is not crashed when IPv4 route is add by ip command then it is deleted by removing network driver in $NS_TIMES times"
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;;
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*)
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tst_resm TBROK "unspecified case"
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return 1
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;;
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esac
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# Start the loop
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cnt=0
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while [ $cnt -lt $NS_TIMES ]; do
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# Check the connectivity to the gateway
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check_icmpv4_connectivity $lhost_ifname $rhost_ipv4addr
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if [ $? -ne 0 ]; then
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tst_resm TBROK "Test Link $LINK_NUM is somthing wrong."
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return 1
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fi
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# Add the route
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case $test_type in
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1)
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route add -net $dst_network netmask 255.255.255.0 gw $rhost_ipv4addr dev $lhost_ifname
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;;
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2)
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ip route add ${dst_network}/24 via $rhost_ipv4addr dev $lhost_ifname
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;;
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esac
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if [ $? -ne 0 ]; then
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tst_resm TFAIL "Failed to add the route to ${dst_network}/24"
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return 1
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fi
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# Load the route with UDP datagram
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ns-udpsender -f 4 -D $dst_addr -p $DST_PORT -o -s 1472
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if [ $? -ne 0 ]; then
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tst_resm TFAIL "Failed to run a UDP datagram sender"
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return 1
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fi
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# Remove and reload the network driver
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rmmod $lhost_module && modprobe $lhost_module
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if [ $? -ne 0 ]; then
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tst_resm TFAIL "Failed to unload/reload the network driver"
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return 1
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fi
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# Make sure to assing the IPv4 address
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set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST} >/dev/null 2>&1
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cnt=`expr $cnt + 1`
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done
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tst_resm TPASS "Test is finished correctly."
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return 0
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}
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#-----------------------------------------------------------------------
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#
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# Main
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#
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# Exit Value:
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# The number of the failure
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#
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#-----------------------------------------------------------------------
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RC=0
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do_setup
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test_body 1 || RC=`expr $RC + 1` # Case of route command
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test_body 2 || RC=`expr $RC + 1` # Case of ip command
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do_cleanup
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exit $RC
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