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# mcast4-grpope01 26# 27# Description: 28# Verify that the kernel is not crashed when joining lots of IPv4 multicast 29# groups on a single socket 30# 31# Setup: 32# See ltp-yyyymmdd/testcases/network/stress/README 33# 34# Author: 35# Mitsuru Chinen <mitch@jp.ibm.com> 36# 37# History: 38# May 1 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 46TCID=mcast4-grpope01 47TST_TOTAL=1 48TST_COUNT=1 49export TCID 50export TST_COUNT 51export TST_TOTAL 52 53# Make sure the value of LTPROOT 54LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} 55export LTPROOT 56 57# Check the environmanet variable 58. check_envval || exit $TST_TOTAL 59 60# Number of the group 61MCASTNUM_HEAVY=${MCASTNUM_HEAVY:-40000} 62 63# The number of the test link where tests run 64LINK_NUM=${LINK_NUM:-0} 65 66# Network portion of the IPv4 address 67NETWORK_PART=${IPV4_NETWORK:-"10.0.0"} 68 69# Netmask of the IPv4 network 70NETWORK_MASK=24 71 72# Host portion of the IPv4 address 73LHOST_HOST_PART=${LHOST_IPV4_HOST:-"2"} # local host 74RHOST_HOST_PART=${RHOST_IPV4_HOST:-"1"} # remote host 75 76# Prefix of the Multicast Address 77MCAST_ADDR_PREFIX=224.10 78 79 80#----------------------------------------------------------------------- 81# 82# Function: do_cleanup 83# 84# Description: 85# Recover the system configuration 86# 87#----------------------------------------------------------------------- 88do_cleanup() 89{ 90 # Make sure to kill the multicast receiver and sender 91 killall -SIGHUP ns-mcast_join >/dev/null 2>&1 92 $LTP_RSH $RHOST killall -SIGHUP ns-igmp_querier >/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#----------------------------------------------------------------------- 108do_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 # 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 IPv4 addresses to the interfaces 130 set_ipv4addr 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 set_ipv4addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART 137 if [ $? -ne 0 ]; then 138 tst_resm TBROK "Failed to add any IP address at the remote host" 139 exit 1 140 fi 141 142 # IPv4 address of the local/remote host 143 lhost_addr="${NETWORK_PART}.${LHOST_HOST_PART}" 144 rhost_addr="${NETWORK_PART}.${RHOST_HOST_PART}" 145 146 # Make sure the connectvity 147 check_icmpv4_connectivity $lhost_ifname $rhost_addr 148 if [ $? -ne 0 ]; then 149 tst_resm TBROK "There is no IPv4 connectivity." 150 exit 1 151 fi 152 153 # Make sure the sysctl values 154 sysctl -w net.ipv4.igmp_max_memberships=$MCASTNUM_HEAVY >/dev/null 155 if [ $? -ne 0 ]; then 156 tst_resm TBROK "Failed to set the sysctl value regarding multicast" 157 exit $TST_TOTAL 158 fi 159 160 sysctl -w net.ipv4.igmp_max_msf=10 >/dev/null 161 sysctl -w net.ipv4.conf.${lhost_ifname}.force_igmp_version=0 >/dev/null 162 sysctl -w net.ipv4.conf.all.force_igmp_version=0 >/dev/null 163} 164 165 166#----------------------------------------------------------------------- 167# 168# Main 169# 170# 171 172# Test description 173tst_resm TINFO "Verify that the kernel is not crashed when joining $MCASTNUM_HEAVY IPv4 multicast groups on a single socket" 174 175do_setup 176 177# Run a multicast join tool 178tmpfile=$TMPDIR/ns-mcast_join.$$ 179ns-mcast_join -f 4 -I $lhost_ifname -n $MCASTNUM_HEAVY -p $MCAST_ADDR_PREFIX > $tmpfile 180if [ $? -ne 0 ]; then 181 tst_resm TBROK "Failed to start multicast joining tool Please check the environment" 182 rm -f $tmpfile 183 exit 1 184fi 185msg=`cat $tmpfile | grep groups` 186tst_resm TINFO "Joined $msg" 187rm -f $tmpfile 188 189# Send IGMP General Query from the remote host 190ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-igmp_querier -I $rhost_ifname -o -r 1' ; echo $?'` 191if [ $ret -ne 0 ]; then 192 tst_resm TBROK "Failed to start IGMP querier" 193 exit 1 194fi 195 196#----------------------------------------------------------------------- 197# 198# Clean up 199# 200 201killall -SIGHUP ns-mcast_join >/dev/null 2>&1 202while true ; do 203 ps auxw | grep -v grep | grep ns-mcast_join > /dev/null 204 if [ $? -ne 0 ] ; then 205 break 206 fi 207done 208 209tst_resm TPASS "Test is finished successfully." 210 211exit 0 212