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1#!/bin/sh
2# Copyright (c) 2015 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@jp.ibm.com>
19
20TST_TOTAL=2
21TCID=if-addr-addlarge
22
23. if-lib.sh
24
25# The interval of the check interface activity (check ten times)
26CHECK_INTERVAL=${CHECK_INTERVAL:-$(($IP_TOTAL / 100))}
27
28test_body()
29{
30	local cmd_type=$1
31
32	case $cmd_type in
33	if_cmd) local cmd_name='ifconfig' ;;
34	ip_cmd) local cmd_name='ip' ;;
35	*) tst_brkm TBROK "Unknown test parameter '$cmd_type'"
36	esac
37
38	local iface=$(tst_iface)
39	[ "$TST_IPV6" ] && local netmask=64 || local netmask=16
40
41	tst_resm TINFO "'$cmd_name' add $IP_TOTAL IPv$ipver addresses"
42	tst_resm TINFO "check interval that $iface is working: $CHECK_INTERVAL"
43
44	tst_restore_ipaddr || \
45		tst_resm TBROK "Failed to set default IP addresses"
46
47	make_background_tcp_traffic
48
49	local x=1
50	local y=1
51	local cnt=1
52
53	[ "$TST_IPV6" ] && local xymax=65535 || xymax=254
54
55	if [ $IP_TOTAL -gt $((xymax * xymax)) ]; then
56		tst_resm TWARN "set IP_TOTAL to $xymax * $xymax"
57		IP_TOTAL=$((xymax * xymax))
58	fi
59
60	while [ $cnt -le $IP_TOTAL ]; do
61
62		if [ "$TST_IPV6" ]; then
63			local hex_x=$(printf '%x' $x)
64			local hex_y=$(printf '%x' $y)
65			local new_ip=${IPV6_NET32_UNUSED}:1:1:1:$hex_x:$hex_y:1
66		else
67			local new_ip=${IPV4_NET16_UNUSED}.$x.$y
68		fi
69
70		tst_resm TINFO "set new ip $new_ip"
71
72		case $cmd_type in
73		if_cmd)
74			if [ "$TST_IPV6" ]; then
75				ifconfig $iface add $new_ip/$netmask
76			else
77				ifconfig $iface:$x:$y $new_ip netmask 255.255.0.0
78			fi
79		;;
80		ip_cmd) ip addr add $new_ip/$netmask dev $iface ;;
81		esac
82
83		if [ $? -ne 0 ]; then
84			tst_resm TFAIL "command failed to add $new_ip to $iface"
85			return
86		fi
87
88		ip addr show $iface | grep -q $new_ip
89		if [ $? -ne 0 ]; then
90			ip addr show $iface
91			tst_resm TFAIL "$new_ip not configured"
92			return
93		fi
94
95		# Check the connectivity
96		check_connectivity $cnt || return
97
98		# Check the background TCP traffic
99		pgrep -x tcp_fastopen > /dev/null || make_background_tcp_traffic
100
101		case $cmd_type in
102		if_cmd)
103			if [ "$TST_IPV6" ]; then
104				ifconfig $iface del $new_ip/$netmask
105			else
106				ifconfig $iface:$x:$y down
107			fi
108		;;
109		ip_cmd) ip addr del $new_ip/$netmask dev $iface ;;
110		esac
111
112		if [ $? -ne 0 ]; then
113			tst_resm TFAIL " delete command failed".
114			return
115		fi
116
117		ip addr show $iface | grep -q $new_ip
118		if [ $? -eq 0 ]; then
119			ip addr show $iface
120			tst_resm TFAIL "Failed to remove '$new_ip' address"
121			return
122		fi
123
124		cnt=$(($cnt + 1))
125		y=$(($y + 1))
126		if [ $y -gt $xymax ]; then
127			y=1
128			x=$(($x + 1))
129			if [ $x -gt $xymax ]; then
130				tst_brkm TBROK "Too large $IP_TOTAL"
131			fi
132		fi
133	done
134
135	tst_resm TPASS "Test is finished correctly"
136}
137
138setup
139
140tst_check_cmds ifconfig
141
142test_body 'if_cmd'
143test_body 'ip_cmd'
144
145tst_exit
146