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netpfil tests: IPv6 dummynet queue test

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Same as the v4 test, but with IPv6.

MFC after:	2 weeks
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D31789
This commit is contained in:
Kristof Provost 2021-09-02 15:40:51 +02:00
parent cb6bfef9ca
commit 12184311c1
1 changed files with 107 additions and 0 deletions
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107
tests/sys/netpfil/common/dummynet.sh
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@ -214,10 +214,117 @@ queue_cleanup()
firewall_cleanup $1
}
queue_v6_head()
{
atf_set descr 'Basic queue test'
atf_set require.user root
}
queue_v6_body()
{
fw=$1
firewall_init $fw
dummynet_init $fw
epair=$(vnet_mkepair)
vnet_mkjail alcatraz ${epair}b
ifconfig ${epair}a inet6 2001:db8:42::1/64 no_dad up
jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2 no_dad up
jexec alcatraz /usr/sbin/inetd -p inetd-alcatraz.pid \
$(atf_get_srcdir)/../pf/echo_inetd.conf
# Sanity check
atf_check -s exit:0 -o ignore ping6 -i .1 -c 3 -s 1200 2001:db8:42::2
reply=$(echo "foo" | nc -N 2001:db8:42::2 7)
if [ "$reply" != "foo" ];
then
atf_fail "Echo sanity check failed"
fi
jexec alcatraz dnctl pipe 1 config bw 1MByte/s
jexec alcatraz dnctl sched 1 config pipe 1 type wf2q+
jexec alcatraz dnctl queue 100 config sched 1 weight 99 mask all
jexec alcatraz dnctl queue 200 config sched 1 weight 1 mask all
firewall_config alcatraz ${fw} \
"ipfw" \
"ipfw add 1001 queue 100 tcp from 2001:db8:42::2 to any out" \
"ipfw add 1000 queue 200 ipv6-icmp from 2001:db8:42::2 to any out" \
"ipfw add 1002 allow ip6 from any to any" \
"pf" \
"pass out proto tcp dnqueue 100" \
"pass out proto icmp6 dnqueue 200"
# Single ping succeeds
atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2
# Unsaturated TCP succeeds
reply=$(echo "foo" | nc -w 5 -N 2001:db8:42::2 7)
if [ "$reply" != "foo" ];
then
atf_fail "Unsaturated echo failed"
fi
# Saturate the link
ping6 -f -s 1200 2001:db8:42::2 &
# Allow this to fill the queue
sleep 1
# TCP should still just pass
fails=0
for i in `seq 1 3`
do
result=$(dd if=/dev/zero bs=1024 count=1000 | timeout 3 nc -w 5 -N 2001:db8:42::2 7 | wc -c)
if [ $result -ne 1024000 ];
then
echo "Failed to prioritise TCP traffic. Got only $result bytes"
fails=$(( ${fails} + 1 ))
fi
done
if [ ${fails} -gt 0 ];
then
atf_fail "We failed prioritisation ${fails} times"
fi
# What happens if we prioritise ICMP over TCP?
firewall_config alcatraz ${fw} \
"ipfw" \
"ipfw add 1001 queue 200 tcp from 2001:db8:42::2 to any out" \
"ipfw add 1000 queue 100 ipv6-icmp from 2001:db8:42::2 to any out" \
"ipfw add 1002 allow ip6 from any to any" \
"pf" \
"pass out proto tcp dnqueue 200" \
"pass out proto icmp6 dnqueue 100"
fails=0
for i in `seq 1 3`
do
result=$(dd if=/dev/zero bs=1024 count=1000 | timeout 3 nc -w 5 -N 2001:db8:42::2 7 | wc -c)
if [ $result -ne 1024000 ];
then
echo "Failed to prioritise TCP traffic. Got only $result bytes"
fails=$(( ${fails} + 1 ))
fi
done
if [ ${fails} -lt 3 ];
then
atf_fail "We failed reversed prioritisation only ${fails} times."
fi
}
queue_v6_cleanup()
{
firewall_cleanup $1
}
setup_tests \
pipe \
ipfw \
pipe_v6 \
ipfw \
queue \
ipfw \
queue_v6 \
ipfw