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# route4-change-dst 26# 27# Description: 28# Verify the kernel is not crashed when the destination of an IPv4 route is 29# changed frequently 30# test01 - by route command 31# test02 - by ip command 32# 33# Setup: 34# See ltp-yyyymmdd/testcases/network/stress/README 35# 36# Author: 37# Mitsuru Chinen <mitch@jp.ibm.com> 38# 39# History: 40# Mar 16 2006 - Created (Mitsuru Chinen) 41# 42#----------------------------------------------------------------------- 43# Uncomment line below for debug output. 44#trace_logic=${trace_logic:-"set -x"} 45$trace_logic 46 47# Make sure the value of LTPROOT 48LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`} 49export LTPROOT 50 51# Total number of the test case 52TST_TOTAL=2 53export TST_TOTAL 54 55# Default of the test case ID and the test case count 56TCID=route4-change-dst 57TST_COUNT=0 58export TCID 59export TST_COUNT 60 61# Check the environmanet variable 62. check_envval || exit $TST_TOTAL 63 64# The number of times where route is changed 65NS_TIMES=${NS_TIMES:-10000} 66 67# The number of the test link where tests run 68LINK_NUM=${LINK_NUM:-0} 69 70# Network portion of the IPv4 address 71IPV4_NETWORK=${IPV4_NETWORK:-"10.0.0"} 72 73# Netmask of for the tested network 74IPV4_NETMASK="255.255.255.0" 75IPV4_NETMASK_NUM=24 76 77# Broadcast address of the tested network 78IPV4_BROADCAST=${IPV4_NETWORK}.255 79 80# Host portion of the IPv4 address 81LHOST_IPV4_HOST=${LHOST_IPV4_HOST:-"2"} # src 82RHOST_IPV4_HOST=${RHOST_IPV4_HOST:-"1"} # gateway 83 84# The destination network 85DST_NETWORK_PREFIX="10.10" # destination network would be 10.10.n.0/24 86DST_HOST="5" 87DST_PORT="7" 88 89 90#----------------------------------------------------------------------- 91# 92# NAME: 93# do_setup 94# 95# DESCRIPTION: 96# Make a IPv4 connectivity 97# 98# SET VALUES: 99# rhost_ipv4addr - IPv4 Address of the remote host 100# lhost_ifname - Interface name of the local host 101# rhost_ifname - Interface name of the remote host 102# 103#----------------------------------------------------------------------- 104do_setup() 105{ 106 TCID=route4-change-dst 107 TST_COUNT=0 108 109 # Initialize the interfaces of the remote host 110 initialize_if rhost ${LINK_NUM} 111 112 # Set IPv4 address to the interfaces 113 set_ipv4addr rhost ${LINK_NUM} ${IPV4_NETWORK} ${RHOST_IPV4_HOST} 114 if [ $? -ne 0 ]; then 115 tst_resm TBROK "Failed to add an IPv4 address the remote host" 116 exit $TST_TOTAL 117 fi 118 119 # IPv4 address of the remote host (gateway) 120 rhost_ipv4addr="${IPV4_NETWORK}.${RHOST_IPV4_HOST}" 121 122 # Get the Interface name of local 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 # Get the Interface name of remote host 130 rhost_ifname=`get_ifname rhost ${LINK_NUM}` 131 if [ $? -ne 0 ]; then 132 tst_resm TBROK "Failed to get the interface name at the remote host" 133 exit $TST_TOTAL 134 fi 135} 136 137 138 139#----------------------------------------------------------------------- 140# 141# NAME: 142# do_cleanup 143# 144# DESCRIPTION: 145# Recover the tested interfaces 146# 147#----------------------------------------------------------------------- 148do_cleanup() 149{ 150 # Initialize the interfaces 151 initialize_if lhost ${LINK_NUM} 152 initialize_if rhost ${LINK_NUM} 153} 154 155 156#----------------------------------------------------------------------- 157# 158# FUNCTION: 159# test_body 160# 161# DESCRIPTION: 162# main code of the test 163# 164# Arguments: 165# $1: define the test type 166# 1 - route command case 167# 2 - ip command case 168# 169#----------------------------------------------------------------------- 170test_body() 171{ 172 test_type=$1 173 174 TCID=route4-change-dst0${test_type} 175 TST_COUNT=$test_type 176 177 case $test_type in 178 1) 179 test_command="route" 180 ;; 181 2) 182 test_command="ip" 183 ;; 184 *) 185 tst_resm TBROK "unspecified case" 186 return 1 187 ;; 188 esac 189 190 tst_resm TINFO "Verify the kernel is not crashed when the destination of an IPv4 route is changed frequently by $test_command command in $NS_TIMES times" 191 192 # Initialize the interface of the local host 193 initialize_if lhost ${LINK_NUM} 194 195 # Assign IPv4 address to the interface of the local host 196 set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST} 197 if [ $? -ne 0 ]; then 198 tst_resm TBROK "Failed to assign an IPv4 address at the local host" 199 return 1 200 fi 201 lhost_ipv4addr="${IPV4_NETWORK}.${LHOST_IPV4_HOST}" 202 203 # Check the connectivity to the gateway 204 check_icmpv4_connectivity $lhost_ifname $rhost_ipv4addr 205 if [ $? -ne 0 ]; then 206 tst_resm TBROK "Test Link $LINK_NUM is somthing wrong." 207 return 1 208 fi 209 210 # Start the loop 211 cnt=0 212 while [ $cnt -lt $NS_TIMES ]; do 213 # Define the destination IP address 214 dst_network_postfix=`expr $cnt % 255` 215 dst_addr=${DST_NETWORK_PREFIX}.${dst_network_postfix}.${DST_HOST} 216 dst_network=${DST_NETWORK_PREFIX}.${dst_network_postfix}.0 217 218 # Add the route 219 case $test_type in 220 1) 221 route add -net $dst_network netmask 255.255.255.0 gw $rhost_ipv4addr dev $lhost_ifname 222 ;; 223 2) 224 ip route add ${dst_network}/24 via $rhost_ipv4addr dev $lhost_ifname 225 ;; 226 esac 227 if [ $? -ne 0 ]; then 228 tst_resm TFAIL "Failed to add the route to ${dst_network}/24" 229 return 1 230 fi 231 232 # Load the route with UDP datagram 233 ns-udpsender -f 4 -D $dst_addr -p $DST_PORT -o -s 1472 234 if [ $? -ne 0 ]; then 235 tst_resm TFAIL "Failed to run a UDP datagram sender" 236 return 1 237 fi 238 239 # Delete the route 240 case $test_type in 241 1) 242 route del -net $dst_network netmask 255.255.255.0 gw $rhost_ipv4addr dev $lhost_ifname 243 ;; 244 2) 245 ip route del ${dst_network}/24 via $rhost_ipv4addr dev $lhost_ifname 246 ;; 247 esac 248 if [ $? -ne 0 ]; then 249 tst_resm TFAIL "Cannot delte the route to ${ADDDEL_ROUTE}" 250 return 1 251 fi 252 253 cnt=`expr $cnt + 1` 254 done 255 256 tst_resm TPASS "Test is finished correctly." 257 return 0 258} 259 260 261#----------------------------------------------------------------------- 262# 263# Main 264# 265# Exit Value: 266# The number of the failure 267# 268#----------------------------------------------------------------------- 269 270RC=0 271do_setup 272test_body 1 || RC=`expr $RC + 1` # Case of route command 273test_body 2 || RC=`expr $RC + 1` # Case of ip command 274do_cleanup 275 276exit $RC 277