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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2017-2019 Petr Vorel <pvorel@suse.cz>
# Copyright (c) 2015-2016 Oracle and/or its affiliates. All Rights Reserved.
# Copyright (c) International Business Machines Corp., 2005
# Author: Mitsuru Chinen <mitch@jp.ibm.com>
TST_CLEANUP="do_cleanup"
TST_TESTFUNC="test_body"
TST_NEEDS_CMDS="ifconfig"
. tst_net.sh
CHECK_INTERVAL=${CHECK_INTERVAL:-$(($NS_TIMES / 20))}
# Maximum host portion of the IPv4 address on the local host
LHOST_IPV4_HOST_MAX="254"
do_cleanup()
{
tst_restore_ipaddr
tst_wait_ipv6_dad
}
test_body()
{
local cnt=0
local num=1
local add_to_net
tst_res TINFO "ifconfig changes IPv4 address $NS_TIMES times"
while [ $cnt -lt $NS_TIMES ]; do
# Define the network portion
num=$(($num + 1))
[ $num -gt $LHOST_IPV4_HOST_MAX ] && num=1
[ $num -eq $RHOST_IPV4_HOST ] && continue
# check prefix and fix values for prefix != 24
add_to_net=
if [ $IPV4_LPREFIX -lt 8 -o $IPV4_LPREFIX -ge 32 ] ; then
tst_brk TCONF "test must be with prefix >= 8 and prefix < 32 ($IPV4_LPREFIX)"
elif [ $IPV4_LPREFIX -lt 16 ]; then # N.x.x.num
add_to_net=".0.1"
elif [ $IPV4_LPREFIX -lt 24 ]; then # N.N.x.num
add_to_net=".1"
fi
# Change IPv4 address
ROD ifconfig $(tst_iface) ${IPV4_LNETWORK}${add_to_net}.${num} netmask \
$IPV4_LNETMASK broadcast $IPV4_LBROADCAST
cnt=$(($cnt + 1))
[ $CHECK_INTERVAL -eq 0 ] && continue
[ $(($cnt % $CHECK_INTERVAL)) -ne 0 ] && continue
tst_res TINFO "ping $(tst_ipaddr):$(tst_ipaddr rhost) ${cnt}/$NS_TIMES"
tst_ping
done
tst_ping
}
tst_run