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- #!/bin/sh
- ################################################################################
- ## ##
- ## Copyright (c) International Business Machines Corp., 2006 ##
- ## ##
- ## 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. ##
- ## ##
- ## This program is distributed in the hope that it will be useful, but ##
- ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
- ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
- ## for more details. ##
- ## ##
- ## You should have received a copy of the GNU General Public License ##
- ## along with this program; if not, write to the Free Software ##
- ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
- ## ##
- ## ##
- ################################################################################
- #
- # File:
- # route6-redirect
- #
- # Description:
- # Verify the kernel is not crashed when the route is modified by
- # ICMP Redirects frequently
- #
- # Setup:
- # See testcases/network/stress/README
- #
- # Author:
- # Mitsuru Chinen <mitch@jp.ibm.com>
- #
- # History:
- # Apr 07 2006 - Created (Mitsuru Chinen)
- #
- #-----------------------------------------------------------------------
- # Uncomment line below for debug output.
- #trace_logic=${trace_logic:-"set -x"}
- $trace_logic
- # The test case ID, the test case count and the total number of test case
- TCID=route6-redirect01
- TST_TOTAL=1
- TST_COUNT=1
- export TCID
- export TST_COUNT
- export TST_TOTAL
- # Test description
- tst_resm TINFO "Verify the kernel is not crashed when the IPv6 route is modified by ICMP Redirects frequently"
- # Make sure the value of LTPROOT
- LTPROOT=${LTPROOT:-`(cd ../../../.. ; pwd)`}
- export LTPROOT
- # Check the environmanet variable
- . check_envval || exit $TST_TOTAL
- # The number of times where route is changed
- NS_TIMES=${NS_TIMES:-10000}
- # The number of the test link where tests run
- LINK_NUM=${LINK_NUM:-0}
- # Network portion of the IPv6 address
- IPV6_NETWORK="fec0:1:1:1"
- # Netmask of for the tested network
- IPV6_NETMASK_NUM=64
- # Host portion of the IPv6 address
- LHOST_IPV6_HOST=":1" # src
- RHOST_IPV6_HOST=":2" # gateway
- # The destination network
- DST_NETWORK="fec0:100:100:100" # destination network
- DST_HOST=":5"
- DST_PORT="7"
- #-----------------------------------------------------------------------
- #
- # NAME:
- # do_cleanup
- #
- # DESCRIPTION:
- # Recover the tested interfaces
- #
- #-----------------------------------------------------------------------
- do_cleanup()
- {
- # Kill the redirector utility
- $LTP_RSH $RHOST killall -SIGHUP ns-icmp_redirector >/dev/null 2>&1
- # Initialize the interfaces
- initialize_if lhost ${LINK_NUM}
- initialize_if rhost ${LINK_NUM}
- }
- #-----------------------------------------------------------------------
- #
- # NAME:
- # do_setup
- #
- # DESCRIPTION:
- # Set the initial route and start icmp redirect on the remote host
- #
- # SET VALUES:
- # rhost_ipv6addr - IPv6 Address of the remote host
- # lhost_ifname - Interface name of the local host
- # rhost_ifname - Interface name of the remote host
- #
- #-----------------------------------------------------------------------
- do_setup()
- {
- # Make sure to cleanup the test environment
- do_cleanup
- # Get the Interface name of local host
- lhost_ifname=`get_ifname lhost ${LINK_NUM}`
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to get the interface name at the local host"
- exit $TST_TOTAL
- fi
- # Get the Interface name of remote host
- rhost_ifname=`get_ifname rhost ${LINK_NUM}`
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to get the interface name at the remote host"
- exit $TST_TOTAL
- fi
- # Remove the link-local address of the remote host
- sleep 5
- $LTP_RSH $RHOST "ip addr flush dev $rhost_ifname" > /dev/null
- # Assign IPv6 address to the interface of the local host
- add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST}
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to assign an IPv6 address at the local host"
- return 1
- fi
- # Add route to the initial gateway
- route -A inet6 add ${DST_NETWORK}::/64 gw fe80:${RHOST_IPV6_HOST} dev $lhost_ifname
- # Make sure the sysctl value is set for accepting the redirect
- sysctl -w net.ipv6.conf.${lhost_ifname}.accept_redirects=1 >/dev/null
- # Run the redirector utility at the remote host
- ret=`$LTP_RSH $RHOST "${LTPROOT}/testcases/bin/ns-icmp_redirector -I $rhost_ifname -b ; "'echo $?'`
- if [ $ret -ne 0 ]; then
- tst_resm TBROK "Failed to run icmp redirector at the remote host"
- exit $TST_TOTAL
- fi
- }
- #-----------------------------------------------------------------------
- #
- # FUNCTION:
- # test_body
- #
- # DESCRIPTION:
- # main code of the test
- #
- # Arguments:
- # None
- #
- #-----------------------------------------------------------------------
- test_body()
- {
- # Loop for changing the route
- cnt=0
- while [ $cnt -lt $NS_TIMES ]; do
- ns-udpsender -f 6 -D ${DST_NETWORK}:${DST_HOST} -p $DST_PORT -o -s 8
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to run udp packet sender"
- return 1
- fi
- cnt=`expr $cnt + 1`
- done
- tst_resm TPASS "Test is finished correctly."
- return 0
- }
- #-----------------------------------------------------------------------
- #
- # Main
- #
- # Exit Value:
- # The number of the failure
- #
- #-----------------------------------------------------------------------
- RC=0
- do_setup
- test_body || RC=`expr $RC + 1`
- do_cleanup
- exit $RC
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