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- #!/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:
- # mcast4-pktfld02
- #
- # Description:
- # Verify that the kernel is not crashed when joining plural IPv4 multicast
- # groups on separate sockets, then receiving a large number of UDP packets at
- # the each socket
- #
- # Setup:
- # See testcases/network/stress/README
- #
- # Author:
- # Mitsuru Chinen <mitch@jp.ibm.com>
- #
- # History:
- # May 1 2006 - Created (Mitsuru Chinen)
- #
- #-----------------------------------------------------------------------
- # Uncomment line below for debug output.
- #trace_logic=${trace_logic:-"set -x"}
- $trace_logic
- # The test case ID, the test case count and the total number of test case
- TCID=mcast4-pktfld02
- TST_TOTAL=1
- TST_COUNT=1
- export TCID
- export TST_COUNT
- export TST_TOTAL
- LTPROOT=${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=${LINK_NUM:-0}
- # Network portion of the IPv4 address
- NETWORK_PART=${IPV4_NETWORK:-"10.0.0"}
- # Netmask of the IPv4 network
- NETWORK_MASK=24
- # Host portion of the IPv4 address
- LHOST_HOST_PART=${LHOST_IPV4_HOST:-"2"} # local host
- RHOST_HOST_PART=${RHOST_IPV4_HOST:-"1"} # remote host
- # Prefix of the multicast address
- MCAST_ADDR_PREFIX=224.10
- # 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 IPv4 addresses to the interfaces
- set_ipv4addr 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
- set_ipv4addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to add any IP address at the remote host"
- exit 1
- fi
- # IPv4 address of the local/remote host
- lhost_addr="${NETWORK_PART}.${LHOST_HOST_PART}"
- rhost_addr="${NETWORK_PART}.${RHOST_HOST_PART}"
- # Make sure the connectvity
- check_icmpv4_connectivity $lhost_ifname $rhost_addr
- if [ $? -ne 0 ]; then
- tst_resm TBROK "There is no IPv4 connectivity."
- exit 1
- fi
- # Make sure the sysctl values
- sysctl -w net.ipv4.igmp_max_memberships=$MCASTNUM_NORMAL >/dev/null
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to set the sysctl value regarding multicast"
- exit $TST_TOTAL
- fi
- sysctl -w net.ipv4.igmp_max_msf=10 >/dev/null
- sysctl -w net.ipv4.conf.${lhost_ifname}.force_igmp_version=0 >/dev/null
- sysctl -w net.ipv4.conf.all.force_igmp_version=0 >/dev/null
- }
- #-----------------------------------------------------------------------
- #
- # Main
- #
- #
- # Test description
- tst_resm TINFO "Verify that the kernel is not crashed when joining $MCASTNUM_NORMAL IPv4 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
- x=`expr $mcastnum \/ 254`
- y=`expr $mcastnum % 254 + 1`
- if [ $x -gt 254 ]; then
- tst_resm TINFO "The number of the connection is less than $mcastnum"
- break
- fi
- mcast_addr=${MCAST_ADDR_PREFIX}.${x}.${y}
- # Run a receiver
- mcast_port=`expr $mcast_port_top + $mcastnum`
- ns-mcast_receiver -f 4 -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 4 -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
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