#!/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 # # 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