| #!/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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## |
| ## ## |
| ## ## |
| ################################################################################ |
| # |
| # File: |
| # route6-change-gw |
| # |
| # Description: |
| # Verify the kernel is not crashed when the gateway of an IPv6 route is |
| # changed frequently |
| # test01 - by route command |
| # test02 - by ip command |
| # |
| # Setup: |
| # See ltp-yyyymmdd/testcases/network/stress/README |
| # |
| # Author: |
| # Mitsuru Chinen <mitch@jp.ibm.com> |
| # |
| # History: |
| # Mar 16 2006 - Created (Mitsuru Chinen) |
| # |
| #----------------------------------------------------------------------- |
| # Uncomment line below for debug output. |
| #trace_logic=${trace_logic:-"set -x"} |
| $trace_logic |
| |
| # Make sure the value of LTPROOT |
| LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} |
| export LTPROOT |
| |
| # Total number of the test case |
| TST_TOTAL=2 |
| export TST_TOTAL |
| |
| # Default of the test case ID and the test case count |
| TCID=route6-change-gw |
| TST_COUNT=0 |
| export TCID |
| export TST_COUNT |
| |
| # 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=":2" # src |
| RHOST_IPV6_HOST_TOP="10" # gateway |
| RHOST_IPV6_HOST_LAST="19" |
| |
| # The destination network |
| DST_NETWORK="fd00:100:1:1" # dest network would be fd00:100:1:1:::/64 |
| DST_HOST="5" |
| DST_PORT="7" |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # NAME: |
| # do_setup |
| # |
| # DESCRIPTION: |
| # Make a IPv6 connectivity |
| # |
| # 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() |
| { |
| TCID=route6-change-gw |
| TST_COUNT=0 |
| |
| # 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 |
| |
| # Initialize the interfaces of the remote host |
| initialize_if rhost ${LINK_NUM} |
| |
| # Set IPv6 address to the interface of the remote host |
| rhost_part=$RHOST_IPV6_HOST_TOP |
| rhost_part_hex=`printf "%x" $rhost_part` |
| while [ $rhost_part -le $RHOST_IPV6_HOST_LAST ]; do |
| rhost_part_hex=":`printf "%x" $rhost_part`" |
| add_ipv6addr rhost ${LINK_NUM} ${IPV6_NETWORK} ${rhost_part_hex} |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to assign IP address to the interface at the remote host" |
| exit $TST_TOTAL |
| fi |
| rhost_part=`expr $rhost_part + 1` |
| done |
| } |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # NAME: |
| # do_cleanup |
| # |
| # DESCRIPTION: |
| # Recover the tested interfaces |
| # |
| #----------------------------------------------------------------------- |
| do_cleanup() |
| { |
| killall -SIGHUP ns-udpsender >/dev/null 2>&1 |
| |
| # Initialize the interfaces |
| initialize_if lhost ${LINK_NUM} |
| initialize_if rhost ${LINK_NUM} |
| } |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # FUNCTION: |
| # test_body |
| # |
| # DESCRIPTION: |
| # main code of the test |
| # |
| # Arguments: |
| # $1: define the test type |
| # 1 - route command case |
| # 2 - ip command case |
| # |
| #----------------------------------------------------------------------- |
| test_body() |
| { |
| test_type=$1 |
| |
| TCID=route6-change-gw0${test_type} |
| TST_COUNT=$test_type |
| |
| case $test_type in |
| 1) |
| test_command="route" |
| ;; |
| 2) |
| test_command="ip" |
| ;; |
| *) |
| tst_resm TBROK "unspecified case" |
| return 1 |
| ;; |
| esac |
| |
| tst_resm TINFO "Verify the kernel is not crashed when the gateway of an IPv6 route is changed frequently by $test_command command in $NS_TIMES times" |
| |
| # Initialize the interface of the local host |
| initialize_if lhost ${LINK_NUM} |
| |
| # Assign IPv6 address to the interface of the local host |
| add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Failed to assign an IPv6 address at the local host" |
| return 1 |
| fi |
| |
| # Check the connectivity to the gateway |
| rhost_part=$RHOST_IPV6_HOST_TOP |
| rhost_part_hex=":`printf "%x" $rhost_part`" |
| check_icmpv6_connectivity $lhost_ifname ${IPV6_NETWORK}:${rhost_part_hex} |
| if [ $? -ne 0 ]; then |
| tst_resm TBROK "Test Link $LINK_NUM is somthing wrong." |
| return 1 |
| fi |
| |
| # Set the variables regarding the destination host |
| dst_addr=${DST_NETWORK}::${DST_HOST} |
| dst_network=${DST_NETWORK}:: |
| |
| # Set the first route |
| case $test_type in |
| 1) |
| route -A inet6 add ${dst_network}/64 gw ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname |
| ;; |
| 2) |
| ip -f inet6 route add ${dst_network}/64 via ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname |
| ;; |
| esac |
| |
| # Load the route with UDP traffic |
| ns-udpsender -f 6 -D $dst_addr -p $DST_PORT -b -s 1452 |
| if [ $? -ne 0 ]; then |
| tst_resm TFAIL "Failed to run a UDP datagram sender" |
| return 1 |
| fi |
| |
| # Loop for changing the route |
| cnt=0 |
| while [ $cnt -lt $NS_TIMES ]; do |
| pre_rhost_part_hex=$rhost_part_hex |
| rhost_part=`expr $rhost_part + 1` |
| if [ $rhost_part -gt $RHOST_IPV6_HOST_LAST ]; then |
| rhost_part=$RHOST_IPV6_HOST_TOP |
| fi |
| rhost_part_hex=":`printf "%x" $rhost_part`" |
| |
| case $test_type in |
| 1) |
| route -A inet6 add ${dst_network}/64 gw ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname |
| route -A inet6 del ${dst_network}/64 gw ${IPV6_NETWORK}:${pre_rhost_part_hex} dev $lhost_ifname |
| ;; |
| 2) |
| ip -f inet6 route add ${dst_network}/64 via ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname |
| ip -f inet6 route del ${dst_network}/64 via ${IPV6_NETWORK}:${pre_rhost_part_hex} dev $lhost_ifname |
| ;; |
| esac |
| if [ $? -ne 0 ]; then |
| tst_resm TFAIL "Failed to change the gateway to ${IPV6_NETWORK}.${rhost_part}" |
| return 1 |
| fi |
| |
| # Rerun if udp datagram sender is dead |
| ps auxw | fgrep -v grep | grep ns-udpsender > /dev/null |
| if [ $? -ne 0 ]; then |
| ns-udpsender -f 4 -D $dst_addr -p $DST_PORT -o -s 1472 |
| if [ $? -ne 0 ]; then |
| tst_resm TFAIL "Failed to run a UDP datagram sender" |
| return 1 |
| fi |
| fi |
| |
| cnt=`expr $cnt + 1` |
| done |
| |
| # Kill the udp datagram sender |
| killall -SIGHUP ns-udpsender >/dev/null 2>&1 |
| |
| tst_resm TPASS "Test is finished correctly." |
| return 0 |
| } |
| |
| |
| #----------------------------------------------------------------------- |
| # |
| # Main |
| # |
| # Exit Value: |
| # The number of the failure |
| # |
| #----------------------------------------------------------------------- |
| |
| RC=0 |
| do_setup |
| test_body 1 || RC=`expr $RC + 1` # Case of route command |
| test_body 2 || RC=`expr $RC + 1` # Case of ip command |
| do_cleanup |
| |
| exit $RC |