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-grpope01
26#
27# Description:
28#   Verify that the kernel is not crashed when joining lots of IPv6 multicast
29#   groups on a single 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-grpope01
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 $TST_TOTAL
59
60# Number of the group
61MCASTNUM_HEAVY=${MCASTNUM_HEAVY:-40000}
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# Prefix of the Multicast Address
74MCAST_ADDR_PREFIX=ff0e::1111
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_join >/dev/null 2>&1
89    $LTP_RSH $RHOST killall -SIGHUP ns-icmpv6_sender >/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    # name of interface of the local/remote host
114    lhost_ifname=`get_ifname lhost $LINK_NUM`
115    if [ $? -ne 0 ]; then
116	tst_resm TBROK "Failed to get the interface name at the local host"
117	exit $TST_TOTAL
118    fi
119
120    rhost_ifname=`get_ifname rhost $LINK_NUM`
121    if [ $? -ne 0 ]; then
122	tst_resm TBROK "Failed to get the interface name at the remote host"
123	exit $TST_TOTAL
124    fi
125
126    # Set IPv6 addresses to the interfaces
127    add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART
128    if [ $? -ne 0 ]; then
129	tst_resm TBROK "Failed to add any IP address at the local host"
130	exit 1
131    fi
132
133    add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART
134    if [ $? -ne 0 ]; then
135	tst_resm TBROK "Failed to add any IP address at the remote host"
136	exit 1
137    fi
138
139    # IPv6 address of the local/remote host
140    lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}"
141    rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}"
142    rhost_linklocal="fe80:${RHOST_HOST_PART}"
143
144    # Make sure the connectvity
145    check_icmpv6_connectivity $lhost_ifname $rhost_addr
146    if [ $? -ne 0 ]; then
147	tst_resm TBROK "There is no IPv6 connectivity."
148	exit 1
149    fi
150
151    # Make sure the sysctl values
152    sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null
153    if [ $? -ne 0 ]; then
154	tst_resm TBROK "Failed to set the sysctl value regarding multicast"
155	exit $TST_TOTAL
156    fi
157
158    sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null
159    sysctl -w net.ipv6.mld_max_msf=10 >/dev/null
160}
161
162
163#-----------------------------------------------------------------------
164#
165# Main
166#
167#
168
169# Test description
170tst_resm TINFO "Verify that the kernel is not crashed when joining $MCASTNUM_HEAVY IPv6 multicast groups on a single socket"
171
172do_setup
173
174# Run a multicast join tool
175tmpfile=$TMPDIR/ns-mcast_join.$$
176ns-mcast_join -f 6 -I $lhost_ifname -n $MCASTNUM_HEAVY -p $MCAST_ADDR_PREFIX > $tmpfile
177if [ $? -ne 0 ]; then
178    tst_resm TBROK "Failed to start multicast joining tool Please check the environment"
179    rm -f $tmpfile
180    exit 1
181fi
182msg=`cat $tmpfile | grep groups`
183tst_resm TINFO "Joined $msg"
184rm -f $tmpfile
185
186# Send MLD General Query from the remote host
187ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-icmpv6_sender -I $rhost_ifname -S $rhost_linklocal -m -o' ; echo $?'`
188if [ $ret -ne 0 ]; then
189    tst_resm TBROK "Failed to start MLD querier"
190    exit 1
191fi
192
193#-----------------------------------------------------------------------
194#
195# Clean up
196#
197
198killall -SIGHUP ns-mcast_join >/dev/null 2>&1
199while true ; do
200    ps auxw | grep -v grep | grep ns-mcast_join > /dev/null
201    if [ $? -ne 0 ] ; then
202	break
203    fi
204done
205
206tst_resm TPASS "Test is finished successfully."
207
208exit 0
209