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 # mcast6-pktfld02 26 # 27 # Description: 28 # Verify that the kernel is not crashed when joining plural IPv6 multicast 29 # groups on separate sockets, then receiving a large number of UDP packets at 30 # the each socket 31 # 32 # Setup: 33 # See ltp-yyyymmdd/testcases/network/stress/README 34 # 35 # Author: 36 # Mitsuru Chinen <mitch (at] jp.ibm.com> 37 # 38 # History: 39 # May 1 2006 - Created (Mitsuru Chinen) 40 # 41 #----------------------------------------------------------------------- 42 # Uncomment line below for debug output. 43 #trace_logic=${trace_logic:-"set -x"} 44 $trace_logic 45 46 # The test case ID, the test case count and the total number of test case 47 TCID=mcast6-pktfld02 48 TST_TOTAL=1 49 TST_COUNT=1 50 export TCID 51 export TST_COUNT 52 export TST_TOTAL 53 54 LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} 55 export LTPROOT 56 57 # Check the environmanet variable 58 . check_envval || exit $TST_TOTAL 59 60 # Dulation of the test [sec] 61 NS_DURATION=${NS_DURATION:-3600} # 1 hour 62 63 # The number of the test link where tests run 64 LINK_NUM=${LINK_NUM:-0} 65 66 # Network portion of the IPv6 address 67 NETWORK_PART="fec0:1:1:1" 68 69 # Host portion of the IPv6 address 70 LHOST_HOST_PART=":2" # local host 71 RHOST_HOST_PART=":1" # remote host 72 73 # Prefix of the multicast address 74 MCAST_ADDR_PREFIX=ff0e::1111 75 76 # Number of the multicast connection 77 MCASTNUM_NORMAL=${MCASTNUM_NORMAL:-20} 78 79 80 #----------------------------------------------------------------------- 81 # 82 # Function: do_cleanup 83 # 84 # Description: 85 # Recover the system configuration 86 # 87 #----------------------------------------------------------------------- 88 do_cleanup() 89 { 90 # Make sure to kill the multicast receiver and sender 91 killall -SIGHUP ns-mcast_receiver >/dev/null 2>&1 92 $LTP_RSH $RHOST killall -SIGHUP ns-udpsender >/dev/null 2>&1 93 94 # Clean up each interface 95 initialize_if lhost ${LINK_NUM} 96 initialize_if rhost ${LINK_NUM} 97 } 98 99 100 #----------------------------------------------------------------------- 101 # 102 # Function: do_setup 103 # 104 # Description: 105 # Configure the ssystem for the test 106 # 107 #----------------------------------------------------------------------- 108 do_setup() 109 { 110 # Initialize the system configuration 111 do_cleanup 112 113 # Call do_cleanup function before exit 114 trap do_cleanup 0 115 116 # Unset the maximum number of processes 117 ulimit -u unlimited 118 119 # name of interface of the local/remote host 120 lhost_ifname=`get_ifname lhost $LINK_NUM` 121 if [ $? -ne 0 ]; then 122 tst_resm TBROK "Failed to get the interface name at the local host" 123 exit $TST_TOTAL 124 fi 125 126 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 # Set IPv6 addresses to the interfaces 133 add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART 134 if [ $? -ne 0 ]; then 135 tst_resm TBROK "Failed to add any IP address at the local host" 136 exit 1 137 fi 138 139 add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART 140 if [ $? -ne 0 ]; then 141 tst_resm TBROK "Failed to add any IP address at the remote host" 142 exit 1 143 fi 144 145 # IPv6 address of the local/remote host 146 lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}" 147 rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}" 148 149 # Make sure the connectvity 150 check_icmpv6_connectivity $lhost_ifname $rhost_addr 151 if [ $? -ne 0 ]; then 152 tst_resm TBROK "There is no IPv6 connectivity." 153 exit 1 154 fi 155 156 # Make sure the sysctl values 157 sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null 158 if [ $? -ne 0 ]; then 159 tst_resm TBROK "Failed to set the sysctl value regarding multicast" 160 exit $TST_TOTAL 161 fi 162 163 sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null 164 sysctl -w net.ipv6.mld_max_msf=10 >/dev/null 165 } 166 167 168 #----------------------------------------------------------------------- 169 # 170 # Main 171 # 172 # 173 174 # Test description 175 tst_resm TINFO "Verify that the kernel is not crashed when joining $MCASTNUM_NORMAL IPv6 multicast groups on separate sockets, then receiving a large number of UDP packets at the each socket in $NS_DURATION [sec]" 176 177 # Make sure the value of LTPROOT 178 do_setup 179 180 mcastnum=0 181 mcast_port_range=`find_portbundle udp 1025 $MCASTNUM_NORMAL` 182 if [ $? -ne 0 ]; then 183 tst_resm TBROK "Failed to get enough port" 184 exit 1 185 fi 186 mcast_port_top=`echo $mcast_port_range | cut -f 1 -d '-'` 187 188 while [ $mcastnum -lt $MCASTNUM_NORMAL ]; do 189 # Define the multicast address 190 if [ $mcastnum -gt 65535 ]; then 191 tst_resm TINFO "The number of the connection is less than 65535" 192 break 193 fi 194 mcastnum_hex=`printf "%x" $mcastnum` 195 mcast_addr=${MCAST_ADDR_PREFIX}:${mcastnum_hex} 196 197 # Run a receiver 198 mcast_port=`expr $mcast_port_top + $mcastnum` 199 ns-mcast_receiver -f 6 -I $lhost_ifname -m $mcast_addr -p $mcast_port -b 200 if [ $? -ne 0 ]; then 201 tst_resm TBROK "Failed to start multicast receiver" 202 exit 1 203 fi 204 205 # Run a sender 206 $LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-udpsender -D $mcast_addr -f 6 -p $mcast_port -m -I $rhost_ifname -b -t $NS_DURATION 207 208 mcastnum=`expr $mcastnum + 1` 209 done 210 211 sleep $NS_DURATION 212 do_cleanup 213 214 #----------------------------------------------------------------------- 215 # 216 # Clean up 217 # 218 219 tst_resm TPASS "Test is finished successfully." 220 exit 0 221
