1 #!/bin/sh 2 # Copyright (c) 2015-2016 Oracle and/or its affiliates. All Rights Reserved. 3 # Copyright (c) International Business Machines Corp., 2005 4 # 5 # This program is free software; you can redistribute it and/or 6 # modify it under the terms of the GNU General Public License as 7 # published by the Free Software Foundation; either version 2 of 8 # the License, or (at your option) any later version. 9 # 10 # This program is distributed in the hope that it would be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU General Public License for more details. 14 # 15 # You should have received a copy of the GNU General Public License 16 # along with this program. If not, see <http://www.gnu.org/licenses/>. 17 # 18 # Author: Mitsuru Chinen <mitch (at] jp.ibm.com> 19 20 TST_TOTAL=1 21 TCID=if4-addr-change 22 TST_CLEANUP="do_cleanup" 23 24 CHECK_INTERVAL=${CHECK_INTERVAL:-$(($NS_TIMES / 20))} 25 # Maximum host portion of the IPv4 address on the local host 26 LHOST_IPV4_HOST_MAX="254" 27 28 . test_net.sh 29 30 do_cleanup() 31 { 32 tst_restore_ipaddr 33 tst_wait_ipv6_dad 34 } 35 36 trap "tst_brkm TBROK 'test interrupted'" INT 37 38 tst_check_cmds ifconfig 39 40 tst_resm TINFO "ifconfig changes IPv4 address $NS_TIMES times" 41 42 cnt=0 43 num=1 44 while [ $cnt -lt $NS_TIMES ]; do 45 # Define the network portion 46 num=$(($num + 1)) 47 [ $num -gt $LHOST_IPV4_HOST_MAX ] && num=1 48 49 [ $num -eq $RHOST_IPV4_HOST ] && continue 50 51 # check prefix and fix values for prefix != 24 52 add_to_net= 53 if [ $IPV4_LPREFIX -lt 8 -o $IPV4_LPREFIX -ge 32 ] ; then 54 tst_brkm TCONF "test must be with prefix >= 8 and prefix < 32 ($IPV4_LPREFIX)" 55 elif [ $IPV4_LPREFIX -lt 16 ]; then # N.x.x.num 56 add_to_net=".0.1" 57 elif [ $IPV4_LPREFIX -lt 24 ]; then # N.N.x.num 58 add_to_net=".1" 59 fi 60 61 # Change IPv4 address 62 ROD ifconfig $(tst_iface) ${IPV4_LNETWORK}${add_to_net}.${num} netmask \ 63 $IPV4_LNETMASK broadcast $IPV4_LBROADCAST 64 65 cnt=$(($cnt + 1)) 66 67 [ $CHECK_INTERVAL -eq 0 ] && continue 68 [ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && continue 69 70 tst_resm TINFO "ping $(tst_ipaddr):$(tst_ipaddr rhost) ${cnt}/$NS_TIMES" 71 tst_ping 72 done 73 74 tst_ping 75 76 tst_exit 77
