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pf tests: test ALTQ CBQ on top of if_vlan

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The main purpose of this test is to verify that we can use ALTQ on top
of if_vlan, but while we're here we also exercise the CBQ code. There's
already a basis test for HFSC, so it makes sense to test another
algorithm while we test if_vlan.

Reviewed by:	donner
MFC after:	1 week
Sponsored by:	Rubicon Communications, LLC ("Netgate")
Differential Revision:	https://reviews.freebsd.org/D31649
This commit is contained in:
Kristof Provost 2021-08-23 16:58:50 +02:00
parent 2e5ff01d0a
commit e62175df4e
2 changed files with 67 additions and 0 deletions
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7
tests/sys/common/vnet.subr
View File

@ -24,6 +24,13 @@ vnet_mkbridge()
echo ${ifname}
}
vnet_mkvlan()
{
ifname=$(ifconfig vlan create)
echo ${ifname} >> created_interfaces.lst
echo ${ifname}
}
vnet_mkloopback()
{
ifname=$(ifconfig lo create)

60
tests/sys/netpfil/pf/altq.sh
View File

@ -86,9 +86,69 @@ match_cleanup()
altq_cleanup
}
atf_test_case "cbq_vlan" "cleanup"
cbq_vlan_head()
{
atf_set descr 'CBQ over VLAN test'
atf_set require.user root
}
cbq_vlan_body()
{
altq_init
is_altq_supported cbq
epair=$(vnet_mkepair)
vnet_mkjail altq_cbq_vlan ${epair}b
vlan=$(vnet_mkvlan)
ifconfig ${vlan} vlan 42 vlandev ${epair}a
ifconfig ${vlan} 192.0.2.1/24 up
ifconfig ${epair}a up
vlanj=$(jexec altq_cbq_vlan ifconfig vlan create)
echo ${vlanj} >> created_interfaces.lst
jexec altq_cbq_vlan ifconfig ${epair}b up
jexec altq_cbq_vlan ifconfig ${vlanj} vlan 42 vlandev ${epair}b
jexec altq_cbq_vlan ifconfig ${vlanj} 192.0.2.2/24 up
# Sanity check
atf_check -s exit:0 -o ignore ping -i .1 -c 3 -s 1200 192.0.2.2
jexec altq_cbq_vlan pfctl -e
pft_set_rules altq_cbq_vlan \
"altq on ${vlanj} bandwidth 14000b cbq queue { default }" \
"queue default bandwidth 14000b cbq(default) { slow } " \
"queue slow bandwidth 6000b cbq(borrow)" \
"match proto icmp queue slow" \
"match proto tcp queue default" \
"pass"
# single ping succeeds just fine
atf_check -s exit:0 -o ignore ping -c 1 192.0.2.2
# "Saturate the link"
ping -i .01 -c 50 -s 1200 192.0.2.2
# We should now be hitting the limits and get these packet dropped.
rcv=$(ping -i .1 -c 5 -s 1200 192.0.2.2 | tr "," "\n" | awk '/packets received/ { print $1; }')
echo "Received $rcv packets"
if [ ${rcv} -gt 1 ]
then
atf_fail "Received ${rcv} packets in a saturated link"
fi
}
cbq_vlan_cleanup()
{
altq_cleanup
}
atf_init_test_cases()
{
atf_add_test_case "hfsc"
atf_add_test_case "match"
atf_add_test_case "cbq_vlan"
}