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-queryfld02
26#
27# Description:
28#   Verify that the kernel is not crashed when joining an IPv6 multicast group
29#   on a single socket, then receiving a large number of Multicast Address
30#   Specific Query
31#
32# Setup:
33#   See ltp-yyyymmdd/testcases/network/stress/README
34#
35# Author:
36#   Mitsuru Chinen <mitch@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
47TCID=mcast6-queryfld02
48TST_TOTAL=1
49TST_COUNT=1
50export TCID
51export TST_COUNT
52export TST_TOTAL
53
54# Make sure the value of LTPROOT
55LTPROOT=${LTPROOT:-`(cd ../../../../.. ; pwd)`}
56export LTPROOT
57
58# Check the environmanet variable
59. check_envval || exit $TST_TOTAL
60
61# Dulation of the test [sec]
62NS_DURATION=${NS_DURATION:-3600}	# 1 hour
63
64# The number of the test link where tests run
65LINK_NUM=${LINK_NUM:-0}
66
67# Network portion of the IPv6 address
68NETWORK_PART="fec0:1:1:1"
69
70# Host portion of the IPv6 address
71LHOST_HOST_PART=":2"	# local host
72RHOST_HOST_PART=":1"	# remote host
73
74# Prefix of the Multicast Address
75MCAST_ADDR_PREFIX=ff0e:
76
77# Multicast Address
78MCAST_ADDR=ff0e::1	# If you modify this, please refer ns-mcast_join.c
79
80#-----------------------------------------------------------------------
81#
82# Function: do_cleanup
83#
84# Description:
85#   Recover the system configuration
86#
87#-----------------------------------------------------------------------
88do_cleanup()
89{
90    # Make sure to kill the multicast receiver and sender
91    killall -SIGHUP ns-mcast_join >/dev/null 2>&1
92    $LTP_RSH $RHOST killall -SIGHUP ns-icmpv6_sender >/dev/null 2>&1
93
94    # Clean up each interface
95    initialize_if lhost ${LINK_NUM}
96    initialize_if rhost ${LINK_NUM}
97}
98
99
100#-----------------------------------------------------------------------
101#
102# Function: do_setup
103#
104# Description:
105#   Configure the ssystem for the test
106#
107#-----------------------------------------------------------------------
108do_setup()
109{
110    # Initialize the system configuration
111    do_cleanup
112
113    # Call do_cleanup function before exit
114    trap do_cleanup 0
115
116    # name of interface of the local/remote host
117    lhost_ifname=`get_ifname lhost $LINK_NUM`
118    if [ $? -ne 0 ]; then
119	tst_resm TBROK "Failed to get the interface name at the local host"
120	exit $TST_TOTAL
121    fi
122
123    rhost_ifname=`get_ifname rhost $LINK_NUM`
124    if [ $? -ne 0 ]; then
125	tst_resm TBROK "Failed to get the interface name at the remote host"
126	exit $TST_TOTAL
127    fi
128
129    # Set IPv6 addresses to the interfaces
130    add_ipv6addr lhost $LINK_NUM $NETWORK_PART $LHOST_HOST_PART
131    if [ $? -ne 0 ]; then
132	tst_resm TBROK "Failed to add any IP address at the local host"
133	exit 1
134    fi
135
136    add_ipv6addr rhost $LINK_NUM $NETWORK_PART $RHOST_HOST_PART
137    if [ $? -ne 0 ]; then
138	tst_resm TBROK "Failed to add any IP address at the remote host"
139	exit 1
140    fi
141
142    # IPv6 address of the local/remote host
143    lhost_addr="${NETWORK_PART}:${LHOST_HOST_PART}"
144    rhost_addr="${NETWORK_PART}:${RHOST_HOST_PART}"
145    rhost_linklocal="fe80:${RHOST_HOST_PART}"
146
147    # Make sure the connectvity
148    check_icmpv6_connectivity $lhost_ifname $rhost_addr
149    if [ $? -ne 0 ]; then
150	tst_resm TBROK "There is no IPv6 connectivity."
151	exit 1
152    fi
153
154    # Make sure the sysctl values
155    sysctl -w net.ipv6.conf.all.force_mld_version=0 >/dev/null
156    if [ $? -ne 0 ]; then
157	tst_resm TBROK "Failed to set the sysctl value regarding multicast"
158	exit $TST_TOTAL
159    fi
160
161    sysctl -w net.ipv6.conf.${lhost_ifname}.force_mld_version=0 >/dev/null
162    sysctl -w net.ipv6.mld_max_msf=10 >/dev/null
163}
164
165
166#-----------------------------------------------------------------------
167#
168# Main
169#
170#
171
172# Test description
173tst_resm TINFO "Verify that the kernel is not crashed when joining an IPv6 multicast group on a single socket, then receiving a large number of Multicast Address Specific Query in $NS_DURATION [sec]"
174
175do_setup
176
177# Run a multicast join tool
178ns-mcast_join -f 6 -I $lhost_ifname -n 1 -p $MCAST_ADDR_PREFIX >/dev/null
179if [ $? -ne 0 ]; then
180    tst_resm TBROK "Failed to start multicast joining tool Please check the environment"
181    exit 1
182fi
183
184# Send MLD Multicast Address Specific Query from the remote host
185ret=`$LTP_RSH $RHOST ${LTPROOT}/testcases/bin/ns-icmpv6_sender -I $rhost_ifname -S $rhost_linklocal -m -D $MCAST_ADDR -r 0 -t $NS_DURATION' ; echo $?'`
186if [ $ret -ne 0 ]; then
187    tst_resm TBROK "Failed to start MLD querier"
188    exit 1
189fi
190
191#-----------------------------------------------------------------------
192#
193# Clean up
194#
195
196killall -SIGHUP ns-mcast_join >/dev/null 2>&1
197tst_resm TPASS "Test is finished successfully."
198
199exit 0
200