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      1 #!/bin/sh
      2 # Copyright (c) 2018 SUSE Linux GmbH
      3 # Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
      4 # Copyright (c) International Business Machines  Corp., 2000
      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 # Test basic functionality of 'arp' and 'ip neigh'.
     19 
     20 NUMLOOPS=${NUMLOOPS:-50}
     21 TST_TESTFUNC=do_test
     22 TST_SETUP=do_setup
     23 TST_OPTS="c:"
     24 TST_PARSE_ARGS="parse_args"
     25 TST_USAGE="usage"
     26 TST_NEEDS_ROOT=1
     27 . tst_net.sh
     28 
     29 do_setup()
     30 {
     31 	case $CMD in
     32 	ip)
     33 		SHOW_CMD="ip neigh show"
     34 		DEL_CMD="ip neigh del $(tst_ipaddr rhost) dev $(tst_iface)"
     35 		;;
     36 	arp)
     37 		if [ -n "$TST_IPV6" ]; then
     38 			tst_brk TCONF "'arp' doesn't support IPv6"
     39 		fi
     40 		SHOW_CMD="arp -a"
     41 		DEL_CMD="arp -d $(tst_ipaddr rhost)"
     42 		;;
     43 	*)
     44 		tst_brk TBROK "unknown or missing command, use -c [ arp | ip ]"
     45 		;;
     46 	esac
     47 
     48 	tst_test_cmds $CMD ping$TST_IPV6
     49 }
     50 
     51 usage()
     52 {
     53 	echo "-c [ arp | ip ] Test command"
     54 }
     55 
     56 parse_args()
     57 {
     58 	case $1 in
     59 	c) CMD="$2" ;;
     60 	esac
     61 }
     62 
     63 do_test()
     64 {
     65 	local entry_name="ARP"
     66 	[ "$TST_IPV6" ] && entry_name="NDISC"
     67 
     68 	tst_res TINFO "stress auto-creation $entry_name cache entry deleted with '$CMD' $NUMLOOPS times"
     69 
     70 	for i in $(seq 1 $NUMLOOPS); do
     71 
     72 		ping$TST_IPV6 -q -c1 $(tst_ipaddr rhost) > /dev/null || \
     73 			tst_brk TFAIL "cannot ping $(tst_ipaddr rhost)"
     74 
     75 		local k
     76 		local ret=1
     77 		for k in $(seq 1 30); do
     78 			$SHOW_CMD | grep -q $(tst_ipaddr rhost)
     79 			if [ $? -eq 0 ]; then
     80 				ret=0
     81 				break;
     82 			fi
     83 			tst_sleep 100ms
     84 		done
     85 
     86 		[ "$ret" -ne 0 ] && \
     87 			tst_brk TFAIL "$entry_name entry '$(tst_ipaddr rhost)' not listed"
     88 
     89 		$DEL_CMD || tst_brk TFAIL "fail to delete entry"
     90 
     91 		$SHOW_CMD | grep -q "$(tst_ipaddr rhost).*$(tst_hwaddr rhost)" && \
     92 			tst_brk TFAIL "'$DEL_CMD' failed, entry has " \
     93 				"$(tst_hwaddr rhost)' $i/$NUMLOOPS"
     94 	done
     95 
     96 	tst_res TPASS "verified adding/removing $entry_name cache entry"
     97 }
     98 
     99 tst_run
    100