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-queryfld02 26# 27# Description: 28# Verify that the kernel is not crashed when joining an IPv4 multicast group 29# on a single socket, then receiving a large number of Multicast Address 30# Specific Query 31# 32# Setup: 33# See ltp-yyyymmdd/testcases/network/stress/README 34# 35# Author: 36# Mitsuru Chinen <mitch@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 47TCID=mcast4-queryfld02 48TST_TOTAL=1 49TST_COUNT=1 50export TCID 51export TST_COUNT 52export TST_TOTAL 53 54# Make sure the value of LTPROOT 55LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} 56export LTPROOT 57 58# Check the environmanet variable 59. check_envval || exit $TST_TOTAL 60 61# Dulation of the test [sec] 62NS_DURATION=${NS_DURATION:-3600} # 1 hour 63 64# The number of the test link where tests run 65LINK_NUM=${LINK_NUM:-0} 66 67# Network portion of the IPv4 address 68NETWORK_PART=${IPV4_NETWORK:-"10.0.0"} 69 70# Netmask of the IPv4 network 71NETWORK_MASK=24 72 73# Host portion of the IPv4 address 74LHOST_HOST_PART=${LHOST_IPV4_HOST:-"2"} # local host 75RHOST_HOST_PART=${RHOST_IPV4_HOST:-"1"} # remote host 76 77# Prefix of the Multicast Address 78MCAST_ADDR_PREFIX=224.10 79 80# Multicast Address 81MCAST_ADDR=224.10.0.1 # If you modify this, please refer ns-mcast_join.c 82 83#----------------------------------------------------------------------- 84# 85# Function: do_cleanup 86# 87# Description: 88# Recover the system configuration 89# 90#----------------------------------------------------------------------- 91do_cleanup() 92{ 93 # Make sure to kill the multicast receiver and sender 94 killall -SIGHUP ns-mcast_join >/dev/null 2>&1 95 $LTP_RSH $RHOST killall -SIGHUP ns-igmp_querier >/dev/null 2>&1 96 97 # Clean up each interface 98 initialize_if lhost ${LINK_NUM} 99 initialize_if rhost ${LINK_NUM} 100} 101 102 103#----------------------------------------------------------------------- 104# 105# Function: do_setup 106# 107# Description: 108# Configure the ssystem for the test 109# 110#----------------------------------------------------------------------- 111do_setup() 112{ 113 # Initialize the system configuration 114 do_cleanup 115 116 # Call do_cleanup function before exit 117 trap do_cleanup 0 118 119 # 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 IPv4 addresses to the interfaces 133 set_ipv4addr 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 set_ipv4addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART 140 if [ $? -ne 0 ]; then 141 tst_resm TBROK "Failed to add any IP address at the remote host" 142 exit 1 143 fi 144 145 # IPv4 address of the local/remote host 146 lhost_addr="${NETWORK_PART}.${LHOST_HOST_PART}" 147 rhost_addr="${NETWORK_PART}.${RHOST_HOST_PART}" 148 149 # Make sure the connectvity 150 check_icmpv4_connectivity $lhost_ifname $rhost_addr 151 if [ $? -ne 0 ]; then 152 tst_resm TBROK "There is no IPv4 connectivity." 153 exit 1 154 fi 155 156 # Make sure the sysctl values 157 sysctl -w net.ipv4.igmp_max_memberships=20 >/dev/null 158 if [ $? -ne 0 ]; then 159 tst_resm TBROK "Failed to set the sysctl value regarding multicast" 160 exit $TST_TOTAL 161 fi 162 163 sysctl -w net.ipv4.igmp_max_msf=10 >/dev/null 164 sysctl -w net.ipv4.conf.${lhost_ifname}.force_igmp_version=0 >/dev/null 165 sysctl -w net.ipv4.conf.all.force_igmp_version=0 >/dev/null 166} 167 168 169#----------------------------------------------------------------------- 170# 171# Main 172# 173# 174 175# Test description 176tst_resm TINFO "Verify that the kernel is not crashed when joining an IPv4 multicast group on a single socket, then receiving a large number of Multicast Address Specific Query in $NS_DURATION [sec]" 177 178do_setup 179 180# Run a multicast join tool 181ns-mcast_join -f 4 -I $lhost_ifname -n 1 -p $MCAST_ADDR_PREFIX >/dev/null 182if [ $? -ne 0 ]; then 183 tst_resm TBROK "Failed to start multicast joining tool Please check the environment" 184 exit 1 185fi 186 187# Send IGMP Multicast Address Specific Query from the remote host 188ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-igmp_querier -I $rhost_ifname -m $MCAST_ADDR -t $NS_DURATION -r 0' ; echo $?'` 189if [ $ret -ne 0 ]; then 190 tst_resm TBROK "Failed to start IGMP querier" 191 exit 1 192fi 193 194#----------------------------------------------------------------------- 195# 196# Clean up 197# 198 199killall -SIGHUP ns-mcast_join >/dev/null 2>&1 200tst_resm TPASS "Test is finished successfully." 201 202exit 0 203