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-pktfld01 26 # 27 # Description: 28 # Verify that the kernel is not crashed when joining a IPv6 multicast group 29 # a single socket, then receiving a large number of UDP packets at the socket 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 # May 6 2006 - Created (Mitsuru Chinen) 39 # 40 #----------------------------------------------------------------------- 41 # Uncomment line below for debug output. 42 #trace_logic=${trace_logic:-"set -x"} 43 $trace_logic 44 45 # The test case ID, the test case count and the total number of test case 46 TCID=mcast6-pktfld01 47 TST_TOTAL=1 48 TST_COUNT=1 49 export TCID 50 export TST_COUNT 51 export TST_TOTAL 52 53 # Make sure the value of LTPROOT 54 LTPROOT=${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 # Multicast Address 74 MCAST_ADDR=ff0e::1111:1 75 76 77 #----------------------------------------------------------------------- 78 # 79 # Function: do_cleanup 80 # 81 # Description: 82 # Recover the system configuration 83 # 84 #----------------------------------------------------------------------- 85 do_cleanup() 86 { 87 # Make sure to kill the multicast receiver and sender 88 killall -SIGHUP ns-mcast_receiver >/dev/null 2>&1 89 $LTP_RSH $RHOST killall -SIGHUP ns-udpsender >/dev/null 2>&1 90 91 # Clean up each interface 92 initialize_if lhost ${LINK_NUM} 93 initialize_if rhost ${LINK_NUM} 94 } 95 96 97 #----------------------------------------------------------------------- 98 # 99 # Function: do_setup 100 # 101 # Description: 102 # Configure the ssystem for the test 103 # 104 #----------------------------------------------------------------------- 105 do_setup() 106 { 107 # Initialize the system configuration 108 do_cleanup 109 110 # Call do_cleanup function before exit 111 trap do_cleanup 0 112 113 # Unset the maximum number of processes 114 ulimit -u unlimited 115 116 # name of interface of the local/remote host 117 lhost_ifname=`get_ifname lhost $LINK_NUM` 118 if [ $? -ne 0 ]; then 119 tst_resm TBROK "Failed to get the interface name at the local host" 120 exit $TST_TOTAL 121 fi 122 123 rhost_ifname=`get_ifname rhost $LINK_NUM` 124 if [ $? -ne 0 ]; then 125 tst_resm TBROK "Failed to get the interface name at the remote host" 126 exit $TST_TOTAL 127 fi 128 129 # Set IPv6 addresses to the interfaces 130 add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART 131 if [ $? -ne 0 ]; then 132 tst_resm TBROK "Failed to add any IP address at the local host" 133 exit 1 134 fi 135 136 add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART 137 if [ $? -ne 0 ]; then 138 tst_resm TBROK "Failed to add any IP address at the remote host" 139 exit 1 140 fi 141 142 # IPv6 address of the local/remote host 143 lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}" 144 rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}" 145 146 # Make sure the connectvity 147 check_icmpv6_connectivity $lhost_ifname $rhost_addr 148 if [ $? -ne 0 ]; then 149 tst_resm TBROK "There is no IPv6 connectivity." 150 exit 1 151 fi 152 153 # Make sure the sysctl values 154 sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null 155 if [ $? -ne 0 ]; then 156 tst_resm TBROK "Failed to set the sysctl value regarding multicast" 157 exit $TST_TOTAL 158 fi 159 160 sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null 161 sysctl -w net.ipv6.mld_max_msf=10 >/dev/null 162 } 163 164 165 #----------------------------------------------------------------------- 166 # 167 # Main 168 # 169 # 170 171 # Test description 172 tst_resm TINFO "Verify that the kernel is not crashed when joining a IPv6 multicast group a single socket, then receiving a large number of UDP packets at the socket in $NS_DURATION [sec]" 173 174 do_setup 175 176 # Find the available consecutive ports 177 mcast_port=`find_portbundle udp 1025 1` 178 if [ $? -ne 0 ]; then 179 tst_resm TBROK "No port is available." 180 exit 1 181 fi 182 183 # Run a receiver 184 ns-mcast_receiver -f 6 -I $lhost_ifname -m $MCAST_ADDR -p $mcast_port -b 185 if [ $? -ne 0 ]; then 186 tst_resm TBROK "Failed to start multicast receiver" 187 exit 1 188 fi 189 190 # Run a sender 191 ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-udpsender -D $MCAST_ADDR -f 6 -p $mcast_port -s 32767 -m -I $rhost_ifname -t $NS_DURATION' ; echo $?'` 192 if [ $ret -ne 0 ]; then 193 tst_resm TBROK "Failed to start multicast sender" 194 exit 1 195 fi 196 197 #----------------------------------------------------------------------- 198 # 199 # Clean up 200 # 201 202 tst_resm TPASS "Test is finished successfully." 203 exit 0 204
