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# route6-redirect 26# 27# Description: 28# Verify the kernel is not crashed when the route is modified by 29# ICMP Redirects frequently 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# Apr 07 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=route6-redirect01 47TST_TOTAL=1 48TST_COUNT=1 49export TCID 50export TST_COUNT 51export TST_TOTAL 52 53# Test description 54tst_resm TINFO "Verify the kernel is not crashed when the IPv6 route is modified by ICMP Redirects frequently" 55 56# Make sure the value of LTPROOT 57LTPROOT=${LTPROOT:-`(cd ../../../.. ; pwd)`} 58export LTPROOT 59 60# Check the environmanet variable 61. check_envval || exit $TST_TOTAL 62 63# The number of times where route is changed 64NS_TIMES=${NS_TIMES:-10000} 65 66# The number of the test link where tests run 67LINK_NUM=${LINK_NUM:-0} 68 69# Network portion of the IPv6 address 70IPV6_NETWORK="fec0:1:1:1" 71 72# Netmask of for the tested network 73IPV6_NETMASK_NUM=64 74 75# Host portion of the IPv6 address 76LHOST_IPV6_HOST=":1" # src 77RHOST_IPV6_HOST=":2" # gateway 78 79# The destination network 80DST_NETWORK="fec0:100:100:100" # destination network 81DST_HOST=":5" 82DST_PORT="7" 83 84 85#----------------------------------------------------------------------- 86# 87# NAME: 88# do_cleanup 89# 90# DESCRIPTION: 91# Recover the tested interfaces 92# 93#----------------------------------------------------------------------- 94do_cleanup() 95{ 96 # Kill the redirector utility 97 $LTP_RSH $RHOST killall -SIGHUP ns-icmp_redirector >/dev/null 2>&1 98 99 # Initialize the interfaces 100 initialize_if lhost ${LINK_NUM} 101 initialize_if rhost ${LINK_NUM} 102} 103 104 105#----------------------------------------------------------------------- 106# 107# NAME: 108# do_setup 109# 110# DESCRIPTION: 111# Set the initial route and start icmp redirect on the remote host 112# 113# SET VALUES: 114# rhost_ipv6addr - IPv6 Address of the remote host 115# lhost_ifname - Interface name of the local host 116# rhost_ifname - Interface name of the remote host 117# 118#----------------------------------------------------------------------- 119do_setup() 120{ 121 # Make sure to cleanup the test environment 122 do_cleanup 123 124 # Get the Interface name of local host 125 lhost_ifname=`get_ifname lhost ${LINK_NUM}` 126 if [ $? -ne 0 ]; then 127 tst_resm TBROK "Failed to get the interface name at the local host" 128 exit $TST_TOTAL 129 fi 130 131 # Get the Interface name of remote host 132 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 133 if [ $? -ne 0 ]; then 134 tst_resm TBROK "Failed to get the interface name at the remote host" 135 exit $TST_TOTAL 136 fi 137 138 # Remove the link-local address of the remote host 139 sleep 5 140 $LTP_RSH $RHOST "ip addr flush dev $rhost_ifname" > /dev/null 141 142 # Assign IPv6 address to the interface of the local host 143 add_ipv6addr lhost ${LINK_NUM} ${IPV6_NETWORK} ${LHOST_IPV6_HOST} 144 if [ $? -ne 0 ]; then 145 tst_resm TBROK "Failed to assign an IPv6 address at the local host" 146 return 1 147 fi 148 149 # Add route to the initial gateway 150 route -A inet6 add ${DST_NETWORK}::/64 gw fe80:${RHOST_IPV6_HOST} dev $lhost_ifname 151 152 # Make sure the sysctl value is set for accepting the redirect 153 sysctl -w net.ipv6.conf.${lhost_ifname}.accept_redirects=1 >/dev/null 154 155 # Run the redirector utility at the remote host 156 ret=`$LTP_RSH $RHOST "${LTPROOT}/testcases/bin/ns-icmp_redirector -I $rhost_ifname -b ; "'echo $?'` 157 if [ $ret -ne 0 ]; then 158 tst_resm TBROK "Failed to run icmp redirector at the remote host" 159 exit $TST_TOTAL 160 fi 161} 162 163 164#----------------------------------------------------------------------- 165# 166# FUNCTION: 167# test_body 168# 169# DESCRIPTION: 170# main code of the test 171# 172# Arguments: 173# None 174# 175#----------------------------------------------------------------------- 176test_body() 177{ 178 # Loop for changing the route 179 cnt=0 180 while [ $cnt -lt $NS_TIMES ]; do 181 ns-udpsender -f 6 -D ${DST_NETWORK}:${DST_HOST} -p $DST_PORT -o -s 8 182 if [ $? -ne 0 ]; then 183 tst_resm TBROK "Failed to run udp packet sender" 184 return 1 185 fi 186 cnt=`expr $cnt + 1` 187 done 188 189 tst_resm TPASS "Test is finished correctly." 190 return 0 191} 192 193 194#----------------------------------------------------------------------- 195# 196# Main 197# 198# Exit Value: 199# The number of the failure 200# 201#----------------------------------------------------------------------- 202RC=0 203do_setup 204test_body || RC=`expr $RC + 1` 205do_cleanup 206 207exit $RC 208