Home | History | Annotate | Download | only in interface
      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 (at] jp.ibm.com>
     19 
     20 TST_TOTAL=2
     21 TCID=if-addr-addlarge
     22 
     23 . if-lib.sh
     24 
     25 TST_CLEANUP="do_cleanup"
     26 
     27 # The interval of the check interface activity
     28 CHECK_INTERVAL=${CHECK_INTERVAL:-$(($IP_TOTAL / 20))}
     29 
     30 do_cleanup()
     31 {
     32 	cleanup
     33 	restore_ipaddr
     34 }
     35 
     36 test_body()
     37 {
     38 	local cmd_type=$1
     39 
     40 	case $cmd_type in
     41 	if_cmd) local cmd_name='ifconfig' ;;
     42 	ip_cmd) local cmd_name='ip' ;;
     43 	*) tst_brkm TBROK "Unknown test parameter '$cmd_type'"
     44 	esac
     45 
     46 	local iface=$(tst_iface)
     47 	[ "$TST_IPV6" ] && local netmask=64 || local netmask=16
     48 
     49 	tst_resm TINFO "'$cmd_name' add $IP_TOTAL IPv$ipver addresses"
     50 	tst_resm TINFO "check interval that $iface is working: $CHECK_INTERVAL"
     51 
     52 	if ! restore_ipaddr; then
     53 		tst_resm TBROK "Failed to set default IP addresses"
     54 		return
     55 	fi
     56 
     57 	make_background_tcp_traffic
     58 
     59 	local x=1
     60 	local y=1
     61 	local cnt=1
     62 
     63 	[ "$TST_IPV6" ] && local xymax=65535 || xymax=254
     64 
     65 	if [ $IP_TOTAL -gt $((xymax * xymax)) ]; then
     66 		tst_resm TWARN "set IP_TOTAL to $xymax * $xymax"
     67 		IP_TOTAL=$((xymax * xymax))
     68 	fi
     69 
     70 	while [ $cnt -le $IP_TOTAL ]; do
     71 
     72 		if [ "$TST_IPV6" ]; then
     73 			local hex_x=$(printf '%x' $x)
     74 			local hex_y=$(printf '%x' $y)
     75 			local new_ip=${IPV6_NET32_UNUSED}:1:1:1:$hex_x:$hex_y:1
     76 		else
     77 			local new_ip=${IPV4_NET16_UNUSED}.$x.$y
     78 		fi
     79 
     80 		case $cmd_type in
     81 		if_cmd)
     82 			if [ "$TST_IPV6" ]; then
     83 				ifconfig $iface add $new_ip/$netmask
     84 			else
     85 				ifconfig $iface:$x:$y $new_ip netmask 255.255.0.0
     86 			fi
     87 		;;
     88 		ip_cmd) ip addr add $new_ip/$netmask dev $iface ;;
     89 		esac
     90 
     91 		if [ $? -ne 0 ]; then
     92 			tst_resm TFAIL "command failed to add $new_ip to $iface"
     93 			return
     94 		fi
     95 
     96 		ip addr show $iface | grep -q $new_ip
     97 		if [ $? -ne 0 ]; then
     98 			ip addr show $iface
     99 			tst_resm TFAIL "$new_ip not configured"
    100 			return
    101 		fi
    102 
    103 		# Check the connectivity
    104 		check_connectivity $cnt || return
    105 
    106 		# Check the background TCP traffic
    107 		pgrep -x netstress > /dev/null || make_background_tcp_traffic
    108 
    109 		case $cmd_type in
    110 		if_cmd)
    111 			if [ "$TST_IPV6" ]; then
    112 				ifconfig $iface del $new_ip/$netmask
    113 			else
    114 				ifconfig $iface:$x:$y down
    115 			fi
    116 		;;
    117 		ip_cmd) ip addr del $new_ip/$netmask dev $iface ;;
    118 		esac
    119 
    120 		if [ $? -ne 0 ]; then
    121 			tst_resm TFAIL " delete command failed".
    122 			return
    123 		fi
    124 
    125 		ip addr show $iface | grep -q $new_ip
    126 		if [ $? -eq 0 ]; then
    127 			ip addr show $iface
    128 			tst_resm TFAIL "Failed to remove '$new_ip' address"
    129 			return
    130 		fi
    131 
    132 		cnt=$(($cnt + 1))
    133 		y=$(($y + 1))
    134 		if [ $y -gt $xymax ]; then
    135 			y=1
    136 			x=$(($x + 1))
    137 			if [ $x -gt $xymax ]; then
    138 				tst_brkm TBROK "Too large $IP_TOTAL"
    139 			fi
    140 		fi
    141 	done
    142 
    143 	tst_resm TPASS "Test is finished correctly"
    144 }
    145 
    146 setup
    147 
    148 tst_check_cmds ifconfig
    149 
    150 test_body 'if_cmd'
    151 test_body 'ip_cmd'
    152 
    153 tst_exit
    154