freebsd-dev/tests/sys/netinet/arp.sh
Kristof Provost e86469075c netinet tests: delete an interface with pending lookups
This has been known to trigger panics. It currently doesn't, but we may
as well have a test for it.

MFC after:	1 week
Sponsored by:	Rubicon Communications, LLC ("Netgate")
2021-08-17 17:01:21 +02:00

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#!/usr/bin/env atf-sh
#-
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2021 Alexander V. Chernikov
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
. $(atf_get_srcdir)/../common/vnet.subr
atf_test_case "arp_add_success" "cleanup"
arp_add_success_head() {
atf_set descr 'Test static arp record addition'
atf_set require.user root
}
arp_add_success_body() {
vnet_init
jname="v4t-arp_add_success"
epair0=$(vnet_mkepair)
vnet_mkjail ${jname} ${epair0}a
jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
atf_check jexec ${jname} arp -s 198.51.100.2 90:10:00:01:02:03
atf_check -o match:"\? \(198.51.100.2\) at 90:10:00:01:02:03 on ${epair0}a permanent" jexec ${jname} arp -ni ${epair0}a 198.51.100.2
}
arp_add_success_cleanup() {
vnet_cleanup
}
atf_test_case "arp_del_success" "cleanup"
arp_del_success_head() {
atf_set descr 'Test arp record deletion'
atf_set require.user root
}
arp_del_success_body() {
vnet_init
jname="v4t-arp_del_success"
epair0=$(vnet_mkepair)
vnet_mkjail ${jname} ${epair0}a
jexec ${jname} ifconfig ${epair0}a inet 198.51.100.1/24
jexec ${jname} ping -c1 -t1 198.51.100.2
atf_check -o match:"198.51.100.2 \(198.51.100.2\) deleted" jexec ${jname} arp -nd 198.51.100.2
}
arp_del_success_cleanup() {
vnet_cleanup
}
atf_test_case "pending_delete_if" "cleanup"
pending_delete_if_head() {
atf_set descr 'Test having pending link layer lookups on interface delete'
atf_set require.user root
}
pending_delete_if_body() {
vnet_init
jname="arp_pending_delete_if"
epair=$(vnet_mkepair)
ifconfig ${epair}b up
vnet_mkjail ${jname} ${epair}a
jexec ${jname} ifconfig ${epair}a 198.51.100.1/24
for i in `seq 2 200`
do
jexec ${jname} ping 198.51.100.${i} &
done
# Give the ping processes time to send their ARP requests
sleep 1
jexec ${jname} arp -an
jexec ${jname} killall ping
# Delete the interface. Test failure panics the machine.
ifconfig ${epair}b destroy
}
pending_delete_if_cleanup() {
vnet_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "arp_add_success"
atf_add_test_case "arp_del_success"
atf_add_test_case "pending_delete_if"
}
# end