1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2017-2019 Petr Vorel <pvorel@suse.cz> 4# Copyright (c) 2015-2016 Oracle and/or its affiliates. All Rights Reserved. 5# Copyright (c) International Business Machines Corp., 2005 6# Author: Mitsuru Chinen <mitch@jp.ibm.com> 7 8TST_CLEANUP="do_cleanup" 9TST_TESTFUNC="test_body" 10TST_NEEDS_CMDS="ifconfig" 11. tst_net.sh 12 13CHECK_INTERVAL=${CHECK_INTERVAL:-$(($NS_TIMES / 20))} 14# Maximum host portion of the IPv4 address on the local host 15LHOST_IPV4_HOST_MAX="254" 16 17do_cleanup() 18{ 19 tst_restore_ipaddr 20 tst_wait_ipv6_dad 21} 22 23test_body() 24{ 25 local cnt=0 26 local num=1 27 local add_to_net 28 29 tst_res TINFO "ifconfig changes IPv4 address $NS_TIMES times" 30 31 while [ $cnt -lt $NS_TIMES ]; do 32 # Define the network portion 33 num=$(($num + 1)) 34 [ $num -gt $LHOST_IPV4_HOST_MAX ] && num=1 35 36 [ $num -eq $RHOST_IPV4_HOST ] && continue 37 38 # check prefix and fix values for prefix != 24 39 add_to_net= 40 if [ $IPV4_LPREFIX -lt 8 -o $IPV4_LPREFIX -ge 32 ] ; then 41 tst_brk TCONF "test must be with prefix >= 8 and prefix < 32 ($IPV4_LPREFIX)" 42 elif [ $IPV4_LPREFIX -lt 16 ]; then # N.x.x.num 43 add_to_net=".0.1" 44 elif [ $IPV4_LPREFIX -lt 24 ]; then # N.N.x.num 45 add_to_net=".1" 46 fi 47 48 # Change IPv4 address 49 ROD ifconfig $(tst_iface) ${IPV4_LNETWORK}${add_to_net}.${num} netmask \ 50 $IPV4_LNETMASK broadcast $IPV4_LBROADCAST 51 52 cnt=$(($cnt + 1)) 53 54 [ $CHECK_INTERVAL -eq 0 ] && continue 55 [ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && continue 56 57 tst_res TINFO "ping $(tst_ipaddr):$(tst_ipaddr rhost) ${cnt}/$NS_TIMES" 58 tst_ping 59 done 60 61 tst_ping 62} 63 64tst_run 65