1 #!/bin/sh 2 ################################################################################ 3 ## ## 4 ## Copyright (c) International Business Machines Corp., 2006 ## 5 ## ## 6 ## This program is free software; you can redistribute it and#or modify ## 7 ## it under the terms of the GNU General Public License as published by ## 8 ## the Free Software Foundation; either version 2 of the License, or ## 9 ## (at your option) any later version. ## 10 ## ## 11 ## This program is distributed in the hope that it will be useful, but ## 12 ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## 13 ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## 14 ## for more details. ## 15 ## ## 16 ## You should have received a copy of the GNU General Public License ## 17 ## along with this program; if not, write to the Free Software ## 18 ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## 19 ## ## 20 ## ## 21 ################################################################################ 22 # 23 # File: 24 # route6-change-gw 25 # 26 # Description: 27 # Verify the kernel is not crashed when the gateway of an IPv6 route is 28 # changed frequently 29 # test01 - by route command 30 # test02 - by ip command 31 # 32 # Setup: 33 # See testcases/network/stress/README 34 # 35 # Author: 36 # Mitsuru Chinen <mitch (at] jp.ibm.com> 37 # 38 # History: 39 # Mar 16 2006 - Created (Mitsuru Chinen) 40 # 41 #----------------------------------------------------------------------- 42 # Uncomment line below for debug output. 43 #trace_logic=${trace_logic:-"set -x"} 44 $trace_logic 45 46 # Make sure the value of LTPROOT 47 LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} 48 export LTPROOT 49 50 # Total number of the test case 51 TST_TOTAL=2 52 export TST_TOTAL 53 54 # Default of the test case ID and the test case count 55 TCID=route6-change-gw 56 TST_COUNT=0 57 export TCID 58 export TST_COUNT 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=":2" # src 77 RHOST_IPV6_HOST_TOP="10" # gateway 78 RHOST_IPV6_HOST_LAST="19" 79 80 # The destination network 81 DST_NETWORK="fd00:100:1:1" # dest network would be fd00:100:1:1:::/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-gw 103 TST_COUNT=0 104 105 # Get the Interface name of local host 106 lhost_ifname=`get_ifname lhost ${LINK_NUM}` 107 if [ $? -ne 0 ]; then 108 tst_resm TBROK "Failed to get the interface name at the local host" 109 exit $TST_TOTAL 110 fi 111 112 # Get the Interface name of remote host 113 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 114 if [ $? -ne 0 ]; then 115 tst_resm TBROK "Failed to get the interface name at the remote host" 116 exit $TST_TOTAL 117 fi 118 119 # Initialize the interfaces of the remote host 120 initialize_if rhost ${LINK_NUM} 121 122 # Set IPv6 address to the interface of the remote host 123 rhost_part=$RHOST_IPV6_HOST_TOP 124 rhost_part_hex=`printf "%x" $rhost_part` 125 while [ $rhost_part -le $RHOST_IPV6_HOST_LAST ]; do 126 rhost_part_hex=":`printf "%x" $rhost_part`" 127 add_ipv6addr rhost ${LINK_NUM} ${IPV6_NETWORK} ${rhost_part_hex} 128 if [ $? -ne 0 ]; then 129 tst_resm TBROK "Failed to assign IP address to the interface at the remote host" 130 exit $TST_TOTAL 131 fi 132 rhost_part=`expr $rhost_part + 1` 133 done 134 } 135 136 137 #----------------------------------------------------------------------- 138 # 139 # NAME: 140 # do_cleanup 141 # 142 # DESCRIPTION: 143 # Recover the tested interfaces 144 # 145 #----------------------------------------------------------------------- 146 do_cleanup() 147 { 148 killall -SIGHUP ns-udpsender >/dev/null 2>&1 149 150 # Initialize the interfaces 151 initialize_if lhost ${LINK_NUM} 152 initialize_if rhost ${LINK_NUM} 153 } 154 155 156 #----------------------------------------------------------------------- 157 # 158 # FUNCTION: 159 # test_body 160 # 161 # DESCRIPTION: 162 # main code of the test 163 # 164 # Arguments: 165 # $1: define the test type 166 # 1 - route command case 167 # 2 - ip command case 168 # 169 #----------------------------------------------------------------------- 170 test_body() 171 { 172 test_type=$1 173 174 TCID=route6-change-gw0${test_type} 175 TST_COUNT=$test_type 176 177 case $test_type in 178 1) 179 test_command="route" 180 ;; 181 2) 182 test_command="ip" 183 ;; 184 *) 185 tst_resm TBROK "unspecified case" 186 return 1 187 ;; 188 esac 189 190 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" 191 192 # Initialize the interface of the local host 193 initialize_if lhost ${LINK_NUM} 194 195 # Assign IPv6 address to the interface of the local host 196 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} 197 if [ $? -ne 0 ]; then 198 tst_resm TBROK "Failed to assign an IPv6 address at the local host" 199 return 1 200 fi 201 202 # Check the connectivity to the gateway 203 rhost_part=$RHOST_IPV6_HOST_TOP 204 rhost_part_hex=":`printf "%x" $rhost_part`" 205 check_icmpv6_connectivity $lhost_ifname ${IPV6_NETWORK}:${rhost_part_hex} 206 if [ $? -ne 0 ]; then 207 tst_resm TBROK "Test Link $LINK_NUM is somthing wrong." 208 return 1 209 fi 210 211 # Set the variables regarding the destination host 212 dst_addr=${DST_NETWORK}::${DST_HOST} 213 dst_network=${DST_NETWORK}:: 214 215 # Set the first route 216 case $test_type in 217 1) 218 route -A inet6 add ${dst_network}/64 gw ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname 219 ;; 220 2) 221 ip -f inet6 route add ${dst_network}/64 via ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname 222 ;; 223 esac 224 225 # Load the route with UDP traffic 226 ns-udpsender -f 6 -D $dst_addr -p $DST_PORT -b -s 1452 227 if [ $? -ne 0 ]; then 228 tst_resm TFAIL "Failed to run a UDP datagram sender" 229 return 1 230 fi 231 232 # Loop for changing the route 233 cnt=0 234 while [ $cnt -lt $NS_TIMES ]; do 235 pre_rhost_part_hex=$rhost_part_hex 236 rhost_part=`expr $rhost_part + 1` 237 if [ $rhost_part -gt $RHOST_IPV6_HOST_LAST ]; then 238 rhost_part=$RHOST_IPV6_HOST_TOP 239 fi 240 rhost_part_hex=":`printf "%x" $rhost_part`" 241 242 case $test_type in 243 1) 244 route -A inet6 add ${dst_network}/64 gw ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname 245 route -A inet6 del ${dst_network}/64 gw ${IPV6_NETWORK}:${pre_rhost_part_hex} dev $lhost_ifname 246 ;; 247 2) 248 ip -f inet6 route change ${dst_network}/64 via ${IPV6_NETWORK}:${rhost_part_hex} dev $lhost_ifname 249 ;; 250 esac 251 if [ $? -ne 0 ]; then 252 tst_resm TFAIL "Failed to change the gateway to ${IPV6_NETWORK}.${rhost_part}" 253 return 1 254 fi 255 256 # Rerun if udp datagram sender is dead 257 ps auxw | fgrep -v grep | grep ns-udpsender > /dev/null 258 if [ $? -ne 0 ]; then 259 ns-udpsender -f 4 -D $dst_addr -p $DST_PORT -o -s 1472 260 if [ $? -ne 0 ]; then 261 tst_resm TFAIL "Failed to run a UDP datagram sender" 262 return 1 263 fi 264 fi 265 266 cnt=`expr $cnt + 1` 267 done 268 269 # Kill the udp datagram sender 270 killall -SIGHUP ns-udpsender >/dev/null 2>&1 271 272 tst_resm TPASS "Test is finished correctly." 273 return 0 274 } 275 276 277 #----------------------------------------------------------------------- 278 # 279 # Main 280 # 281 # Exit Value: 282 # The number of the failure 283 # 284 #----------------------------------------------------------------------- 285 286 RC=0 287 do_setup 288 test_body 1 || RC=`expr $RC + 1` # Case of route command 289 test_body 2 || RC=`expr $RC + 1` # Case of ip command 290 do_cleanup 291 292 exit $RC 293
