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- #!/bin/sh
- ################################################################################
- ## ##
- ## Copyright (c) International Business Machines Corp., 2006 ##
- ## ##
- ## This program is free software; you can redistribute it and#or modify ##
- ## it under the terms of the GNU General Public License as published by ##
- ## the Free Software Foundation; either version 2 of the License, or ##
- ## (at your option) any later version. ##
- ## ##
- ## This program is distributed in the hope that it will be useful, but ##
- ## WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY ##
- ## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ##
- ## for more details. ##
- ## ##
- ## You should have received a copy of the GNU General Public License ##
- ## along with this program; if not, write to the Free Software ##
- ## Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA ##
- ## ##
- ## ##
- ################################################################################
- #
- # File:
- # route4-rmmod
- #
- # Description:
- # Verify the kernel is not crashed when IPv4 route is add then it is deleted
- # by the removing network driver
- #
- # Setup:
- # See testcases/network/stress/README
- #
- # Author:
- # Mitsuru Chinen <mitch@jp.ibm.com>
- #
- # History:
- # Apr 8 2006 - Created (Mitsuru Chinen)
- #
- #-----------------------------------------------------------------------
- # Uncomment line below for debug output.
- #trace_logic=${trace_logic:-"set -x"}
- $trace_logic
- # Make sure the value of LTPROOT
- LTPROOT=${LTPROOT:-`(cd ../../../../ ; pwd)`}
- export LTPROOT
- # Total number of the test case
- TST_TOTAL=2
- export TST_TOTAL
- # Default of the test case ID and the test case count
- TCID=route4-rmmod
- TST_COUNT=0
- export TCID
- export TST_COUNT
- # Check the environmanet variable
- . check_envval || exit $TST_TOTAL
- # The number of times where IPv4 route is add/delete
- NS_TIMES=${NS_TIMES:-10000}
- # The number of the test link where tests run
- LINK_NUM=${LINK_NUM:-0}
- # Network portion of the IPv4 address
- IPV4_NETWORK=${IPV4_NETWORK:-"10.0.0"}
- # Netmask of for the tested network
- IPV4_NETMASK="255.255.255.0"
- IPV4_NETMASK_NUM=24
- # Broadcast address of the tested network
- IPV4_BROADCAST=${IPV4_NETWORK}.255
- # Host portion of the IPv4 address
- LHOST_IPV4_HOST=${LHOST_IPV4_HOST:-"2"} # src
- RHOST_IPV4_HOST=${RHOST_IPV4_HOST:-"1"} # gateway
- # The destination network
- DST_NETWORK="10.10.10" # destination network would be 10.10.10.0/24
- DST_HOST="5"
- DST_PORT="7"
- #-----------------------------------------------------------------------
- #
- # NAME:
- # do_cleanup
- #
- # DESCRIPTION:
- # Recover the tested interfaces
- #
- #-----------------------------------------------------------------------
- do_cleanup()
- {
- # Make sure to load the network driver
- if [ x${lhost_module} != x ]; then
- modprobe $lhost_module
- fi
- # Initialize the interfaces
- initialize_if lhost ${LINK_NUM}
- initialize_if rhost ${LINK_NUM}
- }
- #-----------------------------------------------------------------------
- #
- # NAME:
- # do_setup
- #
- # DESCRIPTION:
- # Make a IPv4 connectivity
- #
- #-----------------------------------------------------------------------
- do_setup()
- {
- # Check the local host has ethtool utility
- which ethtool >/dev/null
- if [ $? -ne 0 ]; then
- tst_resm TBROK "This test case requires ethtool utility"
- exit $TST_TOTAL
- fi
- # The module name of the interface at the local host
- lhost_module=
- # Make sure to clean up
- do_cleanup
- # Set IPv4 address to the interfaces of the remote host
- set_ipv4addr rhost ${LINK_NUM} ${IPV4_NETWORK} ${RHOST_IPV4_HOST}
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to add an IPv4 address the remote host"
- exit $TST_TOTAL
- fi
- rhost_ipv4addr="${IPV4_NETWORK}.${RHOST_IPV4_HOST}"
- # Assign IPv4 address to the interface of the local host
- set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST}
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to assign an IPv4 address at the local host"
- return 1
- fi
- lhost_ipv4addr="${IPV4_NETWORK}.${LHOST_IPV4_HOST}"
- # Get the Interface names
- lhost_ifname=`get_ifname lhost ${LINK_NUM}`
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to get the interface name at the local host"
- exit $TST_TOTAL
- fi
- rhost_ifname=`get_ifname rhost ${LINK_NUM}`
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Failed to get the interface name at the remote host"
- exit $TST_TOTAL
- fi
- # Get the module name of the interface at the local host
- lhost_module=`ethtool -i $lhost_ifname | grep driver | sed "s/driver:[[:blank:]]*//"`
- # Chack the other active interface uses the same driver
- for ifname in `ifconfig | grep ^eth | awk '{ print $1}'`; do
- if [ $lhost_ifname = $ifname ]; then
- continue
- fi
- module=`ethtool -i $ifname | grep driver | sed "s/driver:[[:blank:]]*//"`
- if [ $lhost_module = $module ]; then
- tst_resm TBROK "An active interface $ifname uses the same network deriver $module with the test intreface."
- exit $TST_TOTAL
- fi
- done
- # Set the variables for destination network
- dst_addr=${DST_NETWORK}.${DST_HOST}
- dst_network=${DST_NETWORK}.0
- }
- #-----------------------------------------------------------------------
- #
- # FUNCTION:
- # test_body
- #
- # DESCRIPTION:
- # main code of the test
- #
- # Arguments:
- # $1: define the test type
- # 1 - route command case
- # 2 - ip command case
- #
- #-----------------------------------------------------------------------
- test_body()
- {
- test_type=$1
- TCID=route4-rmmod0${test_type}
- TST_COUNT=$test_type
- case $test_type in
- 1)
- tst_resm TINFO "Verify the kernel is not crashed when IPv4 route is add by route command then it is deleted by removing network driver in $NS_TIMES times"
- ;;
- 2)
- tst_resm TINFO "Verify the kernel is not crashed when IPv4 route is add by ip command then it is deleted by removing network driver in $NS_TIMES times"
- ;;
- *)
- tst_resm TBROK "unspecified case"
- return 1
- ;;
- esac
- # Start the loop
- cnt=0
- while [ $cnt -lt $NS_TIMES ]; do
- # Check the connectivity to the gateway
- check_icmpv4_connectivity $lhost_ifname $rhost_ipv4addr
- if [ $? -ne 0 ]; then
- tst_resm TBROK "Test Link $LINK_NUM is somthing wrong."
- return 1
- fi
- # Add the route
- case $test_type in
- 1)
- route add -net $dst_network netmask 255.255.255.0 gw $rhost_ipv4addr dev $lhost_ifname
- ;;
- 2)
- ip route add ${dst_network}/24 via $rhost_ipv4addr dev $lhost_ifname
- ;;
- esac
- if [ $? -ne 0 ]; then
- tst_resm TFAIL "Failed to add the route to ${dst_network}/24"
- return 1
- fi
- # Load the route with UDP datagram
- ns-udpsender -f 4 -D $dst_addr -p $DST_PORT -o -s 1472
- if [ $? -ne 0 ]; then
- tst_resm TFAIL "Failed to run a UDP datagram sender"
- return 1
- fi
- # Remove and reload the network driver
- rmmod $lhost_module && modprobe $lhost_module
- if [ $? -ne 0 ]; then
- tst_resm TFAIL "Failed to unload/reload the network driver"
- return 1
- fi
- # Make sure to assing the IPv4 address
- set_ipv4addr lhost ${LINK_NUM} ${IPV4_NETWORK} ${LHOST_IPV4_HOST} >/dev/null 2>&1
- cnt=`expr $cnt + 1`
- done
- tst_resm TPASS "Test is finished correctly."
- return 0
- }
- #-----------------------------------------------------------------------
- #
- # Main
- #
- # Exit Value:
- # The number of the failure
- #
- #-----------------------------------------------------------------------
- RC=0
- do_setup
- test_body 1 || RC=`expr $RC + 1` # Case of route command
- test_body 2 || RC=`expr $RC + 1` # Case of ip command
- do_cleanup
- exit $RC
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