xref: /aosp_15_r20/external/ltp/testcases/network/stress/interface/if-addr-addlarge.sh (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0-or-later
3# Copyright (c) 2017-2022 Petr Vorel <[email protected]>
4# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved.
5# Copyright (c) International Business Machines  Corp., 2005
6# Author: Mitsuru Chinen <[email protected]>
7
8IF_CMD='ifconfig'
9
10test_body()
11{
12	local cmd="$CMD"
13
14	local iface=$(tst_iface)
15	[ "$TST_IPV6" ] && local netmask=64 || local netmask=16
16
17	tst_res TINFO "'$cmd' add $IP_TOTAL IPv$TST_IPVER addresses"
18	tst_res TINFO "check interval that $iface is working: $CHECK_INTERVAL"
19
20	if ! restore_ipaddr; then
21		tst_res TBROK "Failed to set default IP addresses"
22		return
23	fi
24
25	local x=1
26	local y=1
27	local cnt=1
28
29	[ "$TST_IPV6" ] && local xymax=65535 || xymax=254
30
31	if [ $IP_TOTAL -gt $((xymax * xymax)) ]; then
32		tst_res TWARN "set IP_TOTAL to $xymax * $xymax"
33		IP_TOTAL=$((xymax * xymax))
34	fi
35
36	while [ $cnt -le $IP_TOTAL ]; do
37		make_background_tcp_traffic
38
39		if [ "$TST_IPV6" ]; then
40			local hex_x=$(printf '%x' $x)
41			local hex_y=$(printf '%x' $y)
42			local new_ip=${IPV6_NET32_UNUSED}:1:1:1:$hex_x:$hex_y:1
43		else
44			local new_ip=${IPV4_NET16_UNUSED}.$x.$y
45		fi
46
47		case $cmd in
48		ifconfig)
49			if [ "$TST_IPV6" ]; then
50				ifconfig $iface add $new_ip/$netmask
51			else
52				ifconfig $iface:$x:$y $new_ip netmask 255.255.0.0
53			fi
54		;;
55		ip) ip addr add $new_ip/$netmask dev $iface ;;
56		esac
57
58		if [ $? -ne 0 ]; then
59			tst_res TFAIL "command failed to add $new_ip to $iface"
60			return
61		fi
62
63		ip addr show $iface | grep -q $new_ip
64		if [ $? -ne 0 ]; then
65			ip addr show $iface
66			tst_res TFAIL "$new_ip not configured"
67			return
68		fi
69
70		check_connectivity_interval $cnt || return
71
72		case $cmd in
73		ifconfig)
74			if [ "$TST_IPV6" ]; then
75				ifconfig $iface del $new_ip/$netmask
76			else
77				ifconfig $iface:$x:$y down
78			fi
79		;;
80		ip) ip addr del $new_ip/$netmask dev $iface ;;
81		esac
82
83		if [ $? -ne 0 ]; then
84			tst_res TFAIL " delete command failed".
85			return
86		fi
87
88		ip addr show $iface | grep -q $new_ip
89		if [ $? -eq 0 ]; then
90			ip addr show $iface
91			tst_res TFAIL "Failed to remove '$new_ip' address"
92			return
93		fi
94
95		cnt=$(($cnt + 1))
96		y=$(($y + 1))
97		if [ $y -gt $xymax ]; then
98			y=1
99			x=$(($x + 1))
100			if [ $x -gt $xymax ]; then
101				tst_brk TBROK "Too large $IP_TOTAL"
102			fi
103		fi
104	done
105
106	tst_res TPASS "Test is finished correctly"
107}
108
109. if-lib.sh
110
111# The interval of the check interface activity
112CHECK_INTERVAL=${CHECK_INTERVAL:-$(($IP_TOTAL / 20))}
113
114tst_run
115