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      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-queryfld06
     26 #
     27 # Description:
     28 #   Verify that the kernel is not crashed when joining joining plural IPv6
     29 #   multicast groups on separate socket, then receiving a large number of
     30 #   Multicast Address and Source Specific Query
     31 #
     32 # Setup:
     33 #   See ltp-yyyymmdd/testcases/network/stress/README
     34 #
     35 # Author:
     36 #   Mitsuru Chinen <mitch (at] jp.ibm.com>
     37 #
     38 # History:
     39 #	May 7 2006 - Created (Mitsuru Chinen)
     40 #
     41 #-----------------------------------------------------------------------
     42 # Uncomment line below for debug output.
     43 #trace_logic=${trace_logic:-"set -x"}
     44 $trace_logic
     45 
     46 # The test case ID, the test case count and the total number of test case
     47 TCID=mcast6-queryfld06
     48 TST_TOTAL=1
     49 TST_COUNT=1
     50 export TCID
     51 export TST_COUNT
     52 export TST_TOTAL
     53 
     54 # Make sure the value of LTPROOT
     55 LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`}
     56 export LTPROOT
     57 
     58 # Check the environmanet variable
     59 . check_envval || exit $TST_TOTAL
     60 
     61 # Dulation of the test [sec]
     62 NS_DURATION=${NS_DURATION:-3600}	# 1 hour
     63 
     64 # Number of the multicast to join
     65 MCASTNUM_NORMAL=${MCASTNUM_NORMAL:-20}
     66 
     67 # The number of the test link where tests run
     68 LINK_NUM=${LINK_NUM:-0}
     69 
     70 # Network portion of the IPv6 address
     71 NETWORK_PART="fec0:1:1:1"
     72 
     73 # Host portion of the IPv6 address
     74 LHOST_HOST_PART=":2"	# local host
     75 RHOST_HOST_PART=":1"	# remote host
     76 
     77 # Prefix of the Multicast Address
     78 MCAST_ADDR_PREFIX=ff0e:
     79 
     80 # Source Address
     81 SRC_ADDR=fec0:100:100:100::1
     82 
     83 # Filter Mode
     84 FILTER_MODE="include"
     85 
     86 #-----------------------------------------------------------------------
     87 #
     88 # Function: do_cleanup
     89 #
     90 # Description:
     91 #   Recover the system configuration
     92 #
     93 #-----------------------------------------------------------------------
     94 do_cleanup()
     95 {
     96     # Make sure to kill the multicast receiver and sender
     97     killall -SIGHUP ns-mcast_join >/dev/null 2>&1
     98     $LTP_RSH $RHOST killall -SIGHUP ns-icmpv6_sender >/dev/null 2>&1
     99 
    100     # Clean up each interface
    101     initialize_if lhost ${LINK_NUM}
    102     initialize_if rhost ${LINK_NUM}
    103 }
    104 
    105 
    106 #-----------------------------------------------------------------------
    107 #
    108 # Function: do_setup
    109 #
    110 # Description:
    111 #   Configure the ssystem for the test
    112 #
    113 #-----------------------------------------------------------------------
    114 do_setup()
    115 {
    116     # Initialize the system configuration
    117     do_cleanup
    118 
    119     # Call do_cleanup function before exit
    120     trap do_cleanup 0
    121 
    122     # name of interface of the local/remote host
    123     lhost_ifname=`get_ifname lhost $LINK_NUM`
    124     if [ $? -ne 0 ]; then
    125 	tst_resm TBROK "Failed to get the interface name at the local host"
    126 	exit $TST_TOTAL
    127     fi
    128 
    129     rhost_ifname=`get_ifname rhost $LINK_NUM`
    130     if [ $? -ne 0 ]; then
    131 	tst_resm TBROK "Failed to get the interface name at the remote host"
    132 	exit $TST_TOTAL
    133     fi
    134 
    135     # Set IPv6 addresses to the interfaces
    136     add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART
    137     if [ $? -ne 0 ]; then
    138 	tst_resm TBROK "Failed to add any IP address at the local host"
    139 	exit 1
    140     fi
    141 
    142     add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART
    143     if [ $? -ne 0 ]; then
    144 	tst_resm TBROK "Failed to add any IP address at the remote host"
    145 	exit 1
    146     fi
    147 
    148     # IPv6 address of the local/remote host
    149     lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}"
    150     rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}"
    151     rhost_linklocal="fe80:${RHOST_HOST_PART}"
    152 
    153     # Make sure the connectvity
    154     check_icmpv6_connectivity $lhost_ifname $rhost_addr
    155     if [ $? -ne 0 ]; then
    156 	tst_resm TBROK "There is no IPv6 connectivity."
    157 	exit 1
    158     fi
    159 
    160     # Make sure the sysctl values
    161     sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null
    162     if [ $? -ne 0 ]; then
    163 	tst_resm TBROK "Failed to set the sysctl value regarding multicast"
    164 	exit $TST_TOTAL
    165     fi
    166 
    167     sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null
    168     sysctl -w net.ipv6.mld_max_msf=10 >/dev/null
    169 }
    170 
    171 
    172 #-----------------------------------------------------------------------
    173 #
    174 # Main
    175 #
    176 #
    177 
    178 # Test description
    179 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 Multicast Address and Source Specific Query in $NS_DURATION [sec]"
    180 
    181 do_setup
    182 
    183 # Run a multicast join tool
    184 ns-mcast_join -f 6 -I $lhost_ifname -n $MCASTNUM_NORMAL -p $MCAST_ADDR_PREFIX -s $SRC_ADDR -F $FILTER_MODE > /dev/null
    185 if [ $? -ne 0 ]; then
    186     tst_resm TBROK "Failed to start multicast joining tool Please check the environment"
    187     exit 1
    188 fi
    189 
    190 # Send MLD Multicast Address Specific Query from the remote host
    191 querier_num=0
    192 while [ $querier_num -lt $MCASTNUM_NORMAL ]; do
    193     if [ $querier_num -gt 65535 ]; then
    194 	tst_resm TINFO "The number of the querier is less than 65535"
    195 	break
    196     fi
    197     querier_num_hex=`printf "%x" $querier_num`
    198     mcast_addr=${MCAST_ADDR_PREFIX}:${querier_num_hex}
    199 
    200     $LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-icmpv6_sender -I $rhost_ifname -S $rhost_linklocal -m -D $mcast_addr -a $SRC_ADDR -r 0 -t $NS_DURATION -b
    201     querier_num=`expr $querier_num + 1`
    202 done
    203 sleep $NS_DURATION
    204 
    205 #-----------------------------------------------------------------------
    206 #
    207 # Clean up
    208 #
    209 
    210 do_cleanup
    211 tst_resm TPASS "Test is finished successfully."
    212 
    213 exit 0
    214