#!/bin/sh ################################################################################ ## ## ## Copyright (c) International Business Machines Corp., 2006 ## ## ## ## This program is free software; you can redistribute it and#or modify ## ## it under the terms of the GNU General Public License as published by ## ## the Free Software Foundation; either version 2 of the License, or ## ## (at your option) any later version. ## ## ## ## This program is distributed in the hope that it will be useful, but ## ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ## ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ## ## for more details. ## ## ## ## You should have received a copy of the GNU General Public License ## ## along with this program; if not, write to the Free Software ## ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ## ## ## ## ## ################################################################################ # # File: # mcast6-pktfld02 # # Description: # Verify that the kernel is not crashed when joining plural IPv6 multicast # groups on separate sockets, then receiving a large number of UDP packets at # the each socket # # Setup: # See ltp-yyyymmdd/testcases/network/stress/README # # Author: # Mitsuru Chinen # # History: # May 1 2006 - Created (Mitsuru Chinen) # #----------------------------------------------------------------------- # Uncomment line below for debug output. #trace_logic=${trace_logic:-"set -x"} $trace_logic # The test case ID, the test case count and the total number of test case TCID=mcast6-pktfld02 TST_TOTAL=1 TST_COUNT=1 export TCID export TST_COUNT export TST_TOTAL LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`} export LTPROOT # Check the environmanet variable . check_envval || exit $TST_TOTAL # Dulation of the test [sec] NS_DURATION=${NS_DURATION:-3600} # 1 hour # The number of the test link where tests run LINK_NUM=${LINK_NUM:-0} # Network portion of the IPv6 address NETWORK_PART="fec0:1:1:1" # Host portion of the IPv6 address LHOST_HOST_PART=":2" # local host RHOST_HOST_PART=":1" # remote host # Prefix of the multicast address MCAST_ADDR_PREFIX=ff0e::1111 # Number of the multicast connection MCASTNUM_NORMAL=${MCASTNUM_NORMAL:-20} #----------------------------------------------------------------------- # # Function: do_cleanup # # Description: # Recover the system configuration # #----------------------------------------------------------------------- do_cleanup() { # Make sure to kill the multicast receiver and sender killall -SIGHUP ns-mcast_receiver >/dev/null 2>&1 $LTP_RSH $RHOST killall -SIGHUP ns-udpsender >/dev/null 2>&1 # Clean up each interface initialize_if lhost ${LINK_NUM} initialize_if rhost ${LINK_NUM} } #----------------------------------------------------------------------- # # Function: do_setup # # Description: # Configure the ssystem for the test # #----------------------------------------------------------------------- do_setup() { # Initialize the system configuration do_cleanup # Call do_cleanup function before exit trap do_cleanup 0 # Unset the maximum number of processes ulimit -u unlimited # name of interface of the local/remote host lhost_ifname=`get_ifname lhost $LINK_NUM` if [ $? -ne 0 ]; then tst_resm TBROK "Failed to get the interface name at the local host" exit $TST_TOTAL fi rhost_ifname=`get_ifname rhost $LINK_NUM` if [ $? -ne 0 ]; then tst_resm TBROK "Failed to get the interface name at the remote host" exit $TST_TOTAL fi # Set IPv6 addresses to the interfaces add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART if [ $? -ne 0 ]; then tst_resm TBROK "Failed to add any IP address at the local host" exit 1 fi add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART if [ $? -ne 0 ]; then tst_resm TBROK "Failed to add any IP address at the remote host" exit 1 fi # IPv6 address of the local/remote host lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}" rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}" # Make sure the connectvity check_icmpv6_connectivity $lhost_ifname $rhost_addr if [ $? -ne 0 ]; then tst_resm TBROK "There is no IPv6 connectivity." exit 1 fi # Make sure the sysctl values sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null if [ $? -ne 0 ]; then tst_resm TBROK "Failed to set the sysctl value regarding multicast" exit $TST_TOTAL fi sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null sysctl -w net.ipv6.mld_max_msf=10 >/dev/null } #----------------------------------------------------------------------- # # Main # # # Test description 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]" # Make sure the value of LTPROOT do_setup mcastnum=0 mcast_port_range=`find_portbundle udp 1025 $MCASTNUM_NORMAL` if [ $? -ne 0 ]; then tst_resm TBROK "Failed to get enough port" exit 1 fi mcast_port_top=`echo $mcast_port_range | cut -f 1 -d '-'` while [ $mcastnum -lt $MCASTNUM_NORMAL ]; do # Define the multicast address if [ $mcastnum -gt 65535 ]; then tst_resm TINFO "The number of the connection is less than 65535" break fi mcastnum_hex=`printf "%x" $mcastnum` mcast_addr=${MCAST_ADDR_PREFIX}:${mcastnum_hex} # Run a receiver mcast_port=`expr $mcast_port_top + $mcastnum` ns-mcast_receiver -f 6 -I $lhost_ifname -m $mcast_addr -p $mcast_port -b if [ $? -ne 0 ]; then tst_resm TBROK "Failed to start multicast receiver" exit 1 fi # Run a sender $LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-udpsender -D $mcast_addr -f 6 -p $mcast_port -m -I $rhost_ifname -b -t $NS_DURATION mcastnum=`expr $mcastnum + 1` done sleep $NS_DURATION do_cleanup #----------------------------------------------------------------------- # # Clean up # tst_resm TPASS "Test is finished successfully." exit 0