1 #!/bin/sh 2 # Copyright (c) 2017-2018 Petr Vorel <pvorel (at] suse.cz> 3 # Copyright (c) 2015-2016 Oracle and/or its affiliates. All Rights Reserved. 4 # Copyright (c) International Business Machines Corp., 2005 5 # 6 # This program is free software; you can redistribute it and/or 7 # modify it under the terms of the GNU General Public License as 8 # published by the Free Software Foundation; either version 2 of 9 # the License, or (at your option) any later version. 10 # 11 # This program is distributed in the hope that it would be useful, 12 # but WITHOUT ANY WARRANTY; without even the implied warranty of 13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 # GNU General Public License for more details. 15 # 16 # You should have received a copy of the GNU General Public License 17 # along with this program. If not, see <http://www.gnu.org/licenses/>. 18 # 19 # Author: Mitsuru Chinen <mitch (at] jp.ibm.com> 20 21 TCID=if4-addr-change 22 TST_CLEANUP="do_cleanup" 23 TST_TESTFUNC="test_body" 24 TST_NEEDS_CMDS="ifconfig" 25 . tst_net.sh 26 27 CHECK_INTERVAL=${CHECK_INTERVAL:-$(($NS_TIMES / 20))} 28 # Maximum host portion of the IPv4 address on the local host 29 LHOST_IPV4_HOST_MAX="254" 30 31 do_cleanup() 32 { 33 tst_restore_ipaddr 34 tst_wait_ipv6_dad 35 } 36 37 test_body() 38 { 39 local cnt=0 40 local num=1 41 local add_to_net= 42 43 tst_res TINFO "ifconfig changes IPv4 address $NS_TIMES times" 44 45 while [ $cnt -lt $NS_TIMES ]; do 46 # Define the network portion 47 num=$(($num + 1)) 48 [ $num -gt $LHOST_IPV4_HOST_MAX ] && num=1 49 50 [ $num -eq $RHOST_IPV4_HOST ] && continue 51 52 # check prefix and fix values for prefix != 24 53 add_to_net= 54 if [ $IPV4_LPREFIX -lt 8 -o $IPV4_LPREFIX -ge 32 ] ; then 55 tst_brk TCONF "test must be with prefix >= 8 and prefix < 32 ($IPV4_LPREFIX)" 56 elif [ $IPV4_LPREFIX -lt 16 ]; then # N.x.x.num 57 add_to_net=".0.1" 58 elif [ $IPV4_LPREFIX -lt 24 ]; then # N.N.x.num 59 add_to_net=".1" 60 fi 61 62 # Change IPv4 address 63 ROD ifconfig $(tst_iface) ${IPV4_LNETWORK}${add_to_net}.${num} netmask \ 64 $IPV4_LNETMASK broadcast $IPV4_LBROADCAST 65 66 cnt=$(($cnt + 1)) 67 68 [ $CHECK_INTERVAL -eq 0 ] && continue 69 [ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && continue 70 71 tst_res TINFO "ping $(tst_ipaddr):$(tst_ipaddr rhost) ${cnt}/$NS_TIMES" 72 tst_ping 73 done 74 75 tst_ping 76 } 77 78 tst_run 79
