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@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 46TCID=mcast6-pktfld01 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 $TST_TOTAL 59 60# Dulation of the test [sec] 61NS_DURATION=${NS_DURATION:-3600} # 1 hour 62 63# The number of the test link where tests run 64LINK_NUM=${LINK_NUM:-0} 65 66# Network portion of the IPv6 address 67NETWORK_PART="fec0:1:1:1" 68 69# Host portion of the IPv6 address 70LHOST_HOST_PART=":2" # local host 71RHOST_HOST_PART=":1" # remote host 72 73# Multicast Address 74MCAST_ADDR=ff0e::1111:1 75 76 77#----------------------------------------------------------------------- 78# 79# Function: do_cleanup 80# 81# Description: 82# Recover the system configuration 83# 84#----------------------------------------------------------------------- 85do_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#----------------------------------------------------------------------- 105do_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 172tst_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 174do_setup 175 176# Find the available consecutive ports 177mcast_port=`find_portbundle udp 1025 1` 178if [ $? -ne 0 ]; then 179 tst_resm TBROK "No port is available." 180 exit 1 181fi 182 183# Run a receiver 184ns-mcast_receiver -f 6 -I $lhost_ifname -m $MCAST_ADDR -p $mcast_port -b 185if [ $? -ne 0 ]; then 186 tst_resm TBROK "Failed to start multicast receiver" 187 exit 1 188fi 189 190# Run a sender 191ret=`$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 $?'` 192if [ $ret -ne 0 ]; then 193 tst_resm TBROK "Failed to start multicast sender" 194 exit 1 195fi 196 197#----------------------------------------------------------------------- 198# 199# Clean up 200# 201 202tst_resm TPASS "Test is finished successfully." 203exit 0 204