1 #!/bin/sh 2 3 ################################################################################ 4 ## ## 5 ## Copyright (c) International Business Machines Corp., 2006 ## 6 ## ## 7 ## This program is free software; you can redistribute it and#or modify ## 8 ## it under the terms of the GNU General Public License as published by ## 9 ## the Free Software Foundation; either version 2 of the License, or ## 10 ## (at your option) any later version. ## 11 ## ## 12 ## This program is distributed in the hope that it will be useful, but ## 13 ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 14 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 15 ## for more details. ## 16 ## ## 17 ## You should have received a copy of the GNU General Public License ## 18 ## along with this program; if not, write to the Free Software ## 19 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 20 ## ## 21 ## ## 22 ################################################################################ 23 # 24 # File: 25 # route6-redirect 26 # 27 # Description: 28 # Verify the kernel is not crashed when the route is modified by 29 # ICMP Redirects frequently 30 # 31 # Setup: 32 # See ltp-yyyymmdd/testcases/network/stress/README 33 # 34 # Author: 35 # Mitsuru Chinen <mitch (at] jp.ibm.com> 36 # 37 # History: 38 # Apr 07 2006 - Created (Mitsuru Chinen) 39 # 40 #----------------------------------------------------------------------- 41 # Uncomment line below for debug output. 42 #trace_logic=${trace_logic:-"set -x"} 43 $trace_logic 44 45 # The test case ID, the test case count and the total number of test case 46 TCID=route6-redirect01 47 TST_TOTAL=1 48 TST_COUNT=1 49 export TCID 50 export TST_COUNT 51 export TST_TOTAL 52 53 # Test description 54 tst_resm TINFO "Verify the kernel is not crashed when the IPv6 route is modified by ICMP Redirects frequently" 55 56 # Make sure the value of LTPROOT 57 LTPROOT=${LTPROOT:-`(cd ../../../.. ; pwd)`} 58 export LTPROOT 59 60 # Check the environmanet variable 61 . check_envval || exit $TST_TOTAL 62 63 # The number of times where route is changed 64 NS_TIMES=${NS_TIMES:-10000} 65 66 # The number of the test link where tests run 67 LINK_NUM=${LINK_NUM:-0} 68 69 # Network portion of the IPv6 address 70 IPV6_NETWORK="fec0:1:1:1" 71 72 # Netmask of for the tested network 73 IPV6_NETMASK_NUM=64 74 75 # Host portion of the IPv6 address 76 LHOST_IPV6_HOST=":1" # src 77 RHOST_IPV6_HOST=":2" # gateway 78 79 # The destination network 80 DST_NETWORK="fec0:100:100:100" # destination network 81 DST_HOST=":5" 82 DST_PORT="7" 83 84 85 #----------------------------------------------------------------------- 86 # 87 # NAME: 88 # do_cleanup 89 # 90 # DESCRIPTION: 91 # Recover the tested interfaces 92 # 93 #----------------------------------------------------------------------- 94 do_cleanup() 95 { 96 # Kill the redirector utility 97 $LTP_RSH $RHOST killall -SIGHUP ns-icmp_redirector >/dev/null 2>&1 98 99 # Initialize the interfaces 100 initialize_if lhost ${LINK_NUM} 101 initialize_if rhost ${LINK_NUM} 102 } 103 104 105 #----------------------------------------------------------------------- 106 # 107 # NAME: 108 # do_setup 109 # 110 # DESCRIPTION: 111 # Set the initial route and start icmp redirect on the remote host 112 # 113 # SET VALUES: 114 # rhost_ipv6addr - IPv6 Address of the remote host 115 # lhost_ifname - Interface name of the local host 116 # rhost_ifname - Interface name of the remote host 117 # 118 #----------------------------------------------------------------------- 119 do_setup() 120 { 121 # Make sure to cleanup the test environment 122 do_cleanup 123 124 # Get the Interface name of local host 125 lhost_ifname=`get_ifname lhost ${LINK_NUM}` 126 if [ $? -ne 0 ]; then 127 tst_resm TBROK "Failed to get the interface name at the local host" 128 exit $TST_TOTAL 129 fi 130 131 # Get the Interface name of remote host 132 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 133 if [ $? -ne 0 ]; then 134 tst_resm TBROK "Failed to get the interface name at the remote host" 135 exit $TST_TOTAL 136 fi 137 138 # Remove the link-local address of the remote host 139 sleep 5 140 $LTP_RSH $RHOST "ip addr flush dev $rhost_ifname" > /dev/null 141 142 # Assign IPv6 address to the interface of the local host 143 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} 144 if [ $? -ne 0 ]; then 145 tst_resm TBROK "Failed to assign an IPv6 address at the local host" 146 return 1 147 fi 148 149 # Add route to the initial gateway 150 route -A inet6 add ${DST_NETWORK}::/64 gw fe80:${RHOST_IPV6_HOST} dev $lhost_ifname 151 152 # Make sure the sysctl value is set for accepting the redirect 153 sysctl -w net.ipv6.conf.${lhost_ifname}.accept_redirects=1 >/dev/null 154 155 # Run the redirector utility at the remote host 156 ret=`$LTP_RSH $RHOST "${LTPROOT}/testcases/bin/ns-icmp_redirector -I $rhost_ifname -b ; "'echo $?'` 157 if [ $ret -ne 0 ]; then 158 tst_resm TBROK "Failed to run icmp redirector at the remote host" 159 exit $TST_TOTAL 160 fi 161 } 162 163 164 #----------------------------------------------------------------------- 165 # 166 # FUNCTION: 167 # test_body 168 # 169 # DESCRIPTION: 170 # main code of the test 171 # 172 # Arguments: 173 # None 174 # 175 #----------------------------------------------------------------------- 176 test_body() 177 { 178 # Loop for changing the route 179 cnt=0 180 while [ $cnt -lt $NS_TIMES ]; do 181 ns-udpsender -f 6 -D ${DST_NETWORK}:${DST_HOST} -p $DST_PORT -o -s 8 182 if [ $? -ne 0 ]; then 183 tst_resm TBROK "Failed to run udp packet sender" 184 return 1 185 fi 186 cnt=`expr $cnt + 1` 187 done 188 189 tst_resm TPASS "Test is finished correctly." 190 return 0 191 } 192 193 194 #----------------------------------------------------------------------- 195 # 196 # Main 197 # 198 # Exit Value: 199 # The number of the failure 200 # 201 #----------------------------------------------------------------------- 202 RC=0 203 do_setup 204 test_body || RC=`expr $RC + 1` 205 do_cleanup 206 207 exit $RC 208
