| #!/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 |