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-rmmod 26 # 27 # Description: 28 # Verify the kernel is not crashed when IPv6 route is add then it is deleted 29 # by the removing network driver 30 # 31 # Setup: 32 # See testcases/network/stress/README 33 # 34 # Author: 35 # Mitsuru Chinen <mitch (at] jp.ibm.com> 36 # 37 # History: 38 # Apr 8 2006 - Created (Mitsuru Chinen) 39 # 40 #----------------------------------------------------------------------- 41 # Uncomment line below for debug output. 42 #trace_logic=${trace_logic:-"set -x"} 43 $trace_logic 44 45 # Make sure the value of LTPROOT 46 LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} 47 export LTPROOT 48 49 # Total number of the test case 50 TST_TOTAL=2 51 export TST_TOTAL 52 53 # Default of the test case ID and the test case count 54 TCID=route6-rmmod 55 TST_COUNT=0 56 export TCID 57 export TST_COUNT 58 59 # Check the environmanet variable 60 . check_envval || exit $TST_TOTAL 61 62 # The number of times where IPv6 route is add/delete 63 NS_TIMES=${NS_TIMES:-10000} 64 65 # The number of the test link where tests run 66 LINK_NUM=${LINK_NUM:-0} 67 68 # Network portion of the IPv6 address 69 IPV6_NETWORK="fec0:1:1:1" 70 71 # Netmask of for the tested network 72 IPV6_NETMASK_NUM=64 73 74 # Host portion of the IPv6 address 75 LHOST_IPV6_HOST=":2" # src 76 RHOST_IPV6_HOST=":1" # gateway 77 78 # The destination network 79 DST_NETWORK="fec0:100:100:100" # destination network 80 DST_HOST=":5" 81 DST_PORT="7" 82 83 84 #----------------------------------------------------------------------- 85 # 86 # NAME: 87 # do_cleanup 88 # 89 # DESCRIPTION: 90 # Recover the tested interfaces 91 # 92 #----------------------------------------------------------------------- 93 do_cleanup() 94 { 95 # Make sure to load the network driver 96 if [ x${lhost_module} != x ]; then 97 modprobe $lhost_module 98 fi 99 100 # Initialize the interfaces 101 initialize_if lhost ${LINK_NUM} 102 initialize_if rhost ${LINK_NUM} 103 } 104 105 106 #----------------------------------------------------------------------- 107 # 108 # NAME: 109 # do_setup 110 # 111 # DESCRIPTION: 112 # Make a IPv6 connectivity 113 # 114 #----------------------------------------------------------------------- 115 do_setup() 116 { 117 # Check the local host has ethtool utility 118 which ethtool >/dev/null 119 if [ $? -ne 0 ]; then 120 tst_resm TBROK "This test case requires ethtool utility" 121 exit $TST_TOTAL 122 fi 123 124 # Make sure to clean up 125 do_cleanup 126 127 # Assign IPv6 address to the interface of the local host 128 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} 129 if [ $? -ne 0 ]; then 130 tst_resm TBROK "Failed to assign an IPv6 address at the local host" 131 return 1 132 fi 133 lhost_ipv6addr="${IPV6_NETWORK}:${LHOST_IPV6_HOST}" 134 135 # Set IPv6 address to the interfaces of the remote host 136 add_ipv6addr rhost ${LINK_NUM} ${IPV6_NETWORK} ${RHOST_IPV6_HOST} 137 if [ $? -ne 0 ]; then 138 tst_resm TBROK "Failed to add an IPv6 address the remote host" 139 exit $TST_TOTAL 140 fi 141 rhost_ipv6addr="${IPV6_NETWORK}:${RHOST_IPV6_HOST}" 142 143 # Get the Interface names 144 lhost_ifname=`get_ifname lhost ${LINK_NUM}` 145 if [ $? -ne 0 ]; then 146 tst_resm TBROK "Failed to get the interface name at the local host" 147 exit $TST_TOTAL 148 fi 149 150 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 151 if [ $? -ne 0 ]; then 152 tst_resm TBROK "Failed to get the interface name at the remote host" 153 exit $TST_TOTAL 154 fi 155 156 # Get the module name of the interface at the local host 157 lhost_module=`ethtool -i $lhost_ifname | grep driver | sed "s/driver:[[:blank:]]*//"` 158 159 # Chack the other active interface uses the same driver 160 for ifname in `ifconfig | grep ^eth | awk '{ print $1}'`; do 161 if [ $lhost_ifname = $ifname ]; then 162 continue 163 fi 164 165 module=`ethtool -i $ifname | grep driver | sed "s/driver:[[:blank:]]*//"` 166 if [ $lhost_module = $module ]; then 167 tst_resm TBROK "An active interface $ifname uses the same network deriver $module with the test intreface." 168 exit $TST_TOTAL 169 fi 170 done 171 172 # Set the variables for destination network 173 dst_addr=${DST_NETWORK}:${DST_HOST} 174 dst_network=${DST_NETWORK}:: 175 } 176 177 178 #----------------------------------------------------------------------- 179 # 180 # FUNCTION: 181 # test_body 182 # 183 # DESCRIPTION: 184 # main code of the test 185 # 186 # Arguments: 187 # $1: define the test type 188 # 1 - route command case 189 # 2 - ip command case 190 # 191 #----------------------------------------------------------------------- 192 test_body() 193 { 194 test_type=$1 195 196 TCID=route6-rmmod0${test_type} 197 TST_COUNT=$test_type 198 199 case $test_type in 200 1) 201 tst_resm TINFO "Verify the kernel is not crashed when IPv6 route is add by route command then it is deleted by removing network driver in $NS_TIMES times" 202 ;; 203 2) 204 tst_resm TINFO "Verify the kernel is not crashed when IPv6 route is add by ip command then it is deleted by removing network driver in $NS_TIMES times" 205 ;; 206 *) 207 tst_resm TBROK "unspecified case" 208 return 1 209 ;; 210 esac 211 212 # Start the loop 213 cnt=0 214 while [ $cnt -lt $NS_TIMES ]; do 215 # Check the connectivity to the gateway 216 check_icmpv6_connectivity $lhost_ifname $rhost_ipv6addr 217 if [ $? -ne 0 ]; then 218 tst_resm TBROK "Test Link $LINK_NUM is somthing wrong." 219 return 1 220 fi 221 222 # Add the route 223 case $test_type in 224 1) 225 route -A inet6 add ${dst_network}/64 gw $rhost_ipv6addr dev $lhost_ifname 226 ;; 227 2) 228 ip -f inet6 route add ${dst_network}/64 via $rhost_ipv6addr dev $lhost_ifname 229 ;; 230 esac 231 if [ $? -ne 0 ]; then 232 tst_resm TFAIL "Failed to add the route to ${dst_network}/64" 233 return 1 234 fi 235 236 # Load the route with UDP datagram 237 ns-udpsender -f 6 -D $dst_addr -p $DST_PORT -o -s 1452 238 if [ $? -ne 0 ]; then 239 tst_resm TFAIL "Failed to run a UDP datagram sender" 240 return 1 241 fi 242 243 # Remove and reload the network driver 244 rmmod $lhost_module && modprobe $lhost_module 245 if [ $? -ne 0 ]; then 246 tst_resm TFAIL "Failed to unload/reload the network driver" 247 return 1 248 fi 249 250 # Make sure to assing the IPv6 address 251 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} >/dev/null 2>&1 252 253 cnt=`expr $cnt + 1` 254 done 255 256 tst_resm TPASS "Test is finished correctly." 257 return 0 258 } 259 260 261 #----------------------------------------------------------------------- 262 # 263 # Main 264 # 265 # Exit Value: 266 # The number of the failure 267 # 268 #----------------------------------------------------------------------- 269 270 RC=0 271 do_setup 272 test_body 1 || RC=`expr $RC + 1` # Case of route command 273 test_body 2 || RC=`expr $RC + 1` # Case of ip command 274 do_cleanup 275 276 exit $RC 277