#!/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-queryfld05 # # Description: # Verify that the kernel is not crashed when joining joining plural IPv4 # multicast groups on separate socket, then receiving a large number of # Multicast Address Specific Query # # Setup: # See 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"} $trace_logic # The test case ID, the test case count and the total number of test case TCID=mcast4-queryfld05 TST_TOTAL=1 TST_COUNT=1 export TCID export TST_COUNT export TST_TOTAL # Make sure the value of LTPROOT LTPROOT=${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 # Number of the multicast to join MCASTNUM_NORMAL=${MCASTNUM_NORMAL:-20} # The number of the test link where tests run LINK_NUM=${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 #----------------------------------------------------------------------- # # Function: do_cleanup # # Description: # Recover the system configuration # #----------------------------------------------------------------------- do_cleanup() { # Make sure to kill the multicast receiver and sender killall -SIGHUP ns-mcast_join >/dev/null 2>&1 $LTP_RSH $RHOST killall -SIGHUP ns-igmp_querier >/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 # 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=20 >/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 Multicast Address Specific Query in $NS_DURATION [sec]" do_setup # Run a multicast join tool ns-mcast_join -f 4 -I $lhost_ifname -n $MCASTNUM_NORMAL -p $MCAST_ADDR_PREFIX > /dev/null if [ $? -ne 0 ]; then tst_resm TBROK "Failed to start multicast joining tool Please check the environment" exit 1 fi # Send IGMP Multicast Address Specific Query from the remote host querier_num=0 while [ $querier_num -lt $MCASTNUM_NORMAL ]; do # Define the multicast address x=`expr $querier_num \/ 254` y=`expr $querier_num % 254 + 1` if [ $x -gt 254 ]; then tst_resm TINFO "The number of the connection is less than $querier_num" break fi mcast_addr=${MCAST_ADDR_PREFIX}.${x}.${y} $LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-igmp_querier -I $rhost_ifname -m $mcast_addr -t $NS_DURATION -r 0 -b querier_num=`expr $querier_num + 1` done sleep $NS_DURATION #----------------------------------------------------------------------- # # Clean up # do_cleanup tst_resm TPASS "Test is finished successfully." exit 0