1#!/bin/sh 2# SPDX-License-Identifier: GPL-2.0-or-later 3# Copyright (c) 2017-2019 Petr Vorel <[email protected]> 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 <[email protected]> 7 8TST_CLEANUP="do_cleanup" 9TST_TESTFUNC="test_body" 10TST_NEEDS_CMDS="ifconfig" 11 12# Maximum host portion of the IPv4 address on the local host 13LHOST_IPV4_HOST_MAX="254" 14 15do_cleanup() 16{ 17 tst_restore_ipaddr 18 tst_wait_ipv6_dad 19} 20 21test_body() 22{ 23 local cnt=0 24 local num=1 25 local add_to_net 26 27 tst_res TINFO "ifconfig changes IPv4 address $NS_TIMES times" 28 29 while [ $cnt -lt $NS_TIMES ]; do 30 # Define the network portion 31 num=$(($num + 1)) 32 [ $num -gt $LHOST_IPV4_HOST_MAX ] && num=1 33 34 [ $num -eq $RHOST_IPV4_HOST ] && continue 35 36 # check prefix and fix values for prefix != 24 37 add_to_net= 38 if [ $IPV4_LPREFIX -lt 8 -o $IPV4_LPREFIX -ge 32 ] ; then 39 tst_brk TCONF "test must be with prefix >= 8 and prefix < 32 ($IPV4_LPREFIX)" 40 elif [ $IPV4_LPREFIX -lt 16 ]; then # N.x.x.num 41 add_to_net=".0.1" 42 elif [ $IPV4_LPREFIX -lt 24 ]; then # N.N.x.num 43 add_to_net=".1" 44 fi 45 46 # Change IPv4 address 47 ROD ifconfig $(tst_iface) ${IPV4_LNETWORK}${add_to_net}.${num} netmask \ 48 $IPV4_LNETMASK broadcast $IPV4_LBROADCAST 49 50 cnt=$(($cnt + 1)) 51 52 [ $CHECK_INTERVAL -eq 0 ] && continue 53 [ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && continue 54 55 tst_res TINFO "ping $(tst_ipaddr):$(tst_ipaddr rhost) ${cnt}/$NS_TIMES" 56 tst_ping 57 done 58 59 tst_ping 60} 61 62. tst_net.sh 63 64CHECK_INTERVAL=${CHECK_INTERVAL:-$(($NS_TIMES / 20))} 65 66tst_run 67