#!/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-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 # # 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