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-change-dst 26 # 27 # Description: 28 # Verify the kernel is not crashed when the destination of an IPv6 route is 29 # changed frequently 30 # test01 - by route command 31 # test02 - by ip command 32 # 33 # Setup: 34 # See testcases/network/stress/README 35 # 36 # Author: 37 # Mitsuru Chinen <mitch (at] jp.ibm.com> 38 # 39 # History: 40 # Mar 16 2006 - Created (Mitsuru Chinen) 41 # 42 #----------------------------------------------------------------------- 43 # Uncomment line below for debug output. 44 #trace_logic=${trace_logic:-"set -x"} 45 $trace_logic 46 47 # Make sure the value of LTPROOT 48 LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} 49 export LTPROOT 50 51 # Total number of the test case 52 TST_TOTAL=2 53 export TST_TOTAL 54 55 # Default of the test case ID and the test case count 56 TCID=route6-change-dst 57 TST_COUNT=0 58 export TCID 59 export TST_COUNT 60 61 # Check the environmanet variable 62 . check_envval || exit $TST_TOTAL 63 64 # The number of times where route is changed 65 NS_TIMES=${NS_TIMES:-10000} 66 67 # The number of the test link where tests run 68 LINK_NUM=${LINK_NUM:-0} 69 70 # Network portion of the IPv6 address 71 IPV6_NETWORK="fec0:1:1:1" 72 73 # Netmask of for the tested network 74 IPV6_NETMASK_NUM=64 75 76 # Host portion of the IPv6 address 77 LHOST_IPV6_HOST=":2" # src 78 RHOST_IPV6_HOST=":3" # gateway 79 80 # The destination network 81 DST_NETWORK_PREFIX="fd00:100:1" # dest network would be fd00:100:1:n:::/64 82 DST_HOST="5" 83 DST_PORT="7" 84 85 86 #----------------------------------------------------------------------- 87 # 88 # NAME: 89 # do_setup 90 # 91 # DESCRIPTION: 92 # Make a IPv6 connectivity 93 # 94 # SET VALUES: 95 # rhost_ipv6addr - IPv6 Address of the remote host 96 # lhost_ifname - Interface name of the local host 97 # rhost_ifname - Interface name of the remote host 98 # 99 #----------------------------------------------------------------------- 100 do_setup() 101 { 102 TCID=route6-change-dst 103 TST_COUNT=0 104 105 # Initialize the interfaces of the remote host 106 initialize_if rhost ${LINK_NUM} 107 108 # Set IPv6 address to the interfaces 109 add_ipv6addr rhost ${LINK_NUM} ${IPV6_NETWORK} ${RHOST_IPV6_HOST} 110 if [ $? -ne 0 ]; then 111 tst_resm TBROK "Failed to add an IPv6 address the remote host" 112 exit $TST_TOTAL 113 fi 114 115 # IPv6 address of the remote host (gateway) 116 rhost_ipv6addr="${IPV6_NETWORK}:${RHOST_IPV6_HOST}" 117 118 # Get the Interface name of local host 119 lhost_ifname=`get_ifname lhost ${LINK_NUM}` 120 if [ $? -ne 0 ]; then 121 tst_resm TBROK "Failed to get the interface name at the local host" 122 exit $TST_TOTAL 123 fi 124 125 # Get the Interface name of remote host 126 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 127 if [ $? -ne 0 ]; then 128 tst_resm TBROK "Failed to get the interface name at the remote host" 129 exit $TST_TOTAL 130 fi 131 } 132 133 134 #----------------------------------------------------------------------- 135 # 136 # NAME: 137 # do_cleanup 138 # 139 # DESCRIPTION: 140 # Recover the tested interfaces 141 # 142 #----------------------------------------------------------------------- 143 do_cleanup() 144 { 145 # Initialize the interfaces 146 initialize_if lhost ${LINK_NUM} 147 initialize_if rhost ${LINK_NUM} 148 } 149 150 151 #----------------------------------------------------------------------- 152 # 153 # FUNCTION: 154 # test_body 155 # 156 # DESCRIPTION: 157 # main code of the test 158 # 159 # Arguments: 160 # $1: define the test type 161 # 1 - route command case 162 # 2 - ip command case 163 # 164 #----------------------------------------------------------------------- 165 test_body() 166 { 167 test_type=$1 168 169 TCID=route6-change-dst0${test_type} 170 TST_COUNT=$test_type 171 172 case $test_type in 173 1) 174 test_command="route" 175 ;; 176 2) 177 test_command="ip" 178 ;; 179 *) 180 tst_resm TBROK "unspecified case" 181 return 1 182 ;; 183 esac 184 185 tst_resm TINFO "Verify the kernel is not crashed when the destination of an IPv6 route is changed frequently by $test_command command in $NS_TIMES times" 186 187 # Initialize the interface of the local host 188 initialize_if lhost ${LINK_NUM} 189 190 # Assign IPv6 address to the interface of the local host 191 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} 192 if [ $? -ne 0 ]; then 193 tst_resm TBROK "Failed to assign an IPv6 address at the local host" 194 return 1 195 fi 196 lhost_ipv6addr="${IPV6_NETWORK}:${LHOST_IPV6_HOST}" 197 198 # Check the connectivity to the gateway 199 check_icmpv6_connectivity $lhost_ifname $rhost_ipv6addr 200 if [ $? -ne 0 ]; then 201 tst_resm TBROK "Test Link $LINK_NUM is something wrong." 202 return 1 203 fi 204 205 # Start the loop 206 cnt=0 207 while [ $cnt -lt $NS_TIMES ]; do 208 # Define the destination IP address 209 tmp_postfix=`expr $cnt % 65535` 210 dst_network_postfix=`printf "%x" $tmp_postfix` 211 dst_addr=${DST_NETWORK_PREFIX}:${dst_network_postfix}::${DST_HOST} 212 dst_network=${DST_NETWORK_PREFIX}:${dst_network_postfix}:: 213 214 # Add the route 215 case $test_type in 216 1) 217 route -A inet6 add ${dst_network}/64 gw $rhost_ipv6addr dev $lhost_ifname 218 ;; 219 2) 220 ip -f inet6 route add ${dst_network}/64 via $rhost_ipv6addr dev $lhost_ifname 221 ;; 222 esac 223 if [ $? -ne 0 ]; then 224 tst_resm TFAIL "Failed to add the route to ${dst_network}/64" 225 return 1 226 fi 227 228 # Load the route with UDP datagram 229 ns-udpsender -f 6 -D $dst_addr -p $DST_PORT -o -s 1452 230 if [ $? -ne 0 ]; then 231 tst_resm TFAIL "Failed to run a UDP datagram sender" 232 return 1 233 fi 234 235 # Delete the route 236 case $test_type in 237 1) 238 route -A inet6 del ${dst_network}/64 gw $rhost_ipv6addr dev $lhost_ifname 239 ;; 240 2) 241 ip -f inet6 route del ${dst_network}/64 via $rhost_ipv6addr dev $lhost_ifname 242 ;; 243 esac 244 if [ $? -ne 0 ]; then 245 tst_resm TFAIL "Cannot delete the route to ${ADDDEL_ROUTE}" 246 return 1 247 fi 248 249 cnt=`expr $cnt + 1` 250 done 251 252 tst_resm TPASS "Test is finished correctly." 253 return 0 254 } 255 256 257 #----------------------------------------------------------------------- 258 # 259 # Main 260 # 261 # Exit Value: 262 # The number of the failure 263 # 264 #----------------------------------------------------------------------- 265 266 RC=0 267 do_setup 268 test_body 1 || RC=`expr $RC + 1` # Case of route command 269 test_body 2 || RC=`expr $RC + 1` # Case of ip command 270 do_cleanup 271 272 exit $RC 273