442 lines
12 KiB
Bash
Executable File
442 lines
12 KiB
Bash
Executable File
#!/bin/bash
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
#
|
|
# Test tc-police action.
|
|
#
|
|
# +---------------------------------+
|
|
# | H1 (vrf) |
|
|
# | + $h1 |
|
|
# | | 192.0.2.1/24 |
|
|
# | | |
|
|
# | | default via 192.0.2.2 |
|
|
# +----|----------------------------+
|
|
# |
|
|
# +----|----------------------------------------------------------------------+
|
|
# | SW | |
|
|
# | + $rp1 |
|
|
# | 192.0.2.2/24 |
|
|
# | |
|
|
# | 198.51.100.2/24 203.0.113.2/24 |
|
|
# | + $rp2 + $rp3 |
|
|
# | | | |
|
|
# +----|-----------------------------------------|----------------------------+
|
|
# | |
|
|
# +----|----------------------------+ +----|----------------------------+
|
|
# | | default via 198.51.100.2 | | | default via 203.0.113.2 |
|
|
# | | | | | |
|
|
# | | 198.51.100.1/24 | | | 203.0.113.1/24 |
|
|
# | + $h2 | | + $h3 |
|
|
# | H2 (vrf) | | H3 (vrf) |
|
|
# +---------------------------------+ +---------------------------------+
|
|
|
|
ALL_TESTS="
|
|
police_rx_test
|
|
police_tx_test
|
|
police_shared_test
|
|
police_rx_mirror_test
|
|
police_tx_mirror_test
|
|
police_pps_rx_test
|
|
police_pps_tx_test
|
|
police_mtu_rx_test
|
|
police_mtu_tx_test
|
|
"
|
|
NUM_NETIFS=6
|
|
source tc_common.sh
|
|
source lib.sh
|
|
|
|
h1_create()
|
|
{
|
|
simple_if_init $h1 192.0.2.1/24
|
|
|
|
ip -4 route add default vrf v$h1 nexthop via 192.0.2.2
|
|
}
|
|
|
|
h1_destroy()
|
|
{
|
|
ip -4 route del default vrf v$h1 nexthop via 192.0.2.2
|
|
|
|
simple_if_fini $h1 192.0.2.1/24
|
|
}
|
|
|
|
h2_create()
|
|
{
|
|
simple_if_init $h2 198.51.100.1/24
|
|
|
|
ip -4 route add default vrf v$h2 nexthop via 198.51.100.2
|
|
|
|
tc qdisc add dev $h2 clsact
|
|
}
|
|
|
|
h2_destroy()
|
|
{
|
|
tc qdisc del dev $h2 clsact
|
|
|
|
ip -4 route del default vrf v$h2 nexthop via 198.51.100.2
|
|
|
|
simple_if_fini $h2 198.51.100.1/24
|
|
}
|
|
|
|
h3_create()
|
|
{
|
|
simple_if_init $h3 203.0.113.1/24
|
|
|
|
ip -4 route add default vrf v$h3 nexthop via 203.0.113.2
|
|
|
|
tc qdisc add dev $h3 clsact
|
|
}
|
|
|
|
h3_destroy()
|
|
{
|
|
tc qdisc del dev $h3 clsact
|
|
|
|
ip -4 route del default vrf v$h3 nexthop via 203.0.113.2
|
|
|
|
simple_if_fini $h3 203.0.113.1/24
|
|
}
|
|
|
|
router_create()
|
|
{
|
|
ip link set dev $rp1 up
|
|
ip link set dev $rp2 up
|
|
ip link set dev $rp3 up
|
|
|
|
__addr_add_del $rp1 add 192.0.2.2/24
|
|
__addr_add_del $rp2 add 198.51.100.2/24
|
|
__addr_add_del $rp3 add 203.0.113.2/24
|
|
|
|
tc qdisc add dev $rp1 clsact
|
|
tc qdisc add dev $rp2 clsact
|
|
}
|
|
|
|
router_destroy()
|
|
{
|
|
tc qdisc del dev $rp2 clsact
|
|
tc qdisc del dev $rp1 clsact
|
|
|
|
__addr_add_del $rp3 del 203.0.113.2/24
|
|
__addr_add_del $rp2 del 198.51.100.2/24
|
|
__addr_add_del $rp1 del 192.0.2.2/24
|
|
|
|
ip link set dev $rp3 down
|
|
ip link set dev $rp2 down
|
|
ip link set dev $rp1 down
|
|
}
|
|
|
|
police_common_test()
|
|
{
|
|
local test_name=$1; shift
|
|
|
|
RET=0
|
|
|
|
# Rule to measure bandwidth on ingress of $h2
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action drop
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=54321 -p 1000 -c 0 -q &
|
|
|
|
local t0=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
sleep 10
|
|
local t1=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
|
|
local er=$((80 * 1000 * 1000))
|
|
local nr=$(rate $t0 $t1 10)
|
|
local nr_pct=$((100 * (nr - er) / er))
|
|
((-10 <= nr_pct && nr_pct <= 10))
|
|
check_err $? "Expected rate $(humanize $er), got $(humanize $nr), which is $nr_pct% off. Required accuracy is +-10%."
|
|
|
|
log_test "$test_name"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_rx_test()
|
|
{
|
|
# Rule to police traffic destined to $h2 on ingress of $rp1
|
|
tc filter add dev $rp1 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police rate 80mbit burst 16k conform-exceed drop/ok
|
|
|
|
police_common_test "police on rx"
|
|
|
|
tc filter del dev $rp1 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_tx_test()
|
|
{
|
|
# Rule to police traffic destined to $h2 on egress of $rp2
|
|
tc filter add dev $rp2 egress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police rate 80mbit burst 16k conform-exceed drop/ok
|
|
|
|
police_common_test "police on tx"
|
|
|
|
tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_shared_common_test()
|
|
{
|
|
local dport=$1; shift
|
|
local test_name=$1; shift
|
|
|
|
RET=0
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=$dport -p 1000 -c 0 -q &
|
|
|
|
local t0=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
sleep 10
|
|
local t1=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
|
|
local er=$((80 * 1000 * 1000))
|
|
local nr=$(rate $t0 $t1 10)
|
|
local nr_pct=$((100 * (nr - er) / er))
|
|
((-10 <= nr_pct && nr_pct <= 10))
|
|
check_err $? "Expected rate $(humanize $er), got $(humanize $nr), which is $nr_pct% off. Required accuracy is +-10%."
|
|
|
|
log_test "$test_name"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
}
|
|
|
|
police_shared_test()
|
|
{
|
|
# Rule to measure bandwidth on ingress of $h2
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp src_port 12345 \
|
|
action drop
|
|
|
|
# Rule to police traffic destined to $h2 on ingress of $rp1
|
|
tc filter add dev $rp1 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police rate 80mbit burst 16k conform-exceed drop/ok \
|
|
index 10
|
|
|
|
# Rule to police a different flow destined to $h2 on egress of $rp2
|
|
# using same policer
|
|
tc filter add dev $rp2 egress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 22222 \
|
|
action police index 10
|
|
|
|
police_shared_common_test 54321 "police with shared policer - rx"
|
|
|
|
police_shared_common_test 22222 "police with shared policer - tx"
|
|
|
|
tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
|
|
tc filter del dev $rp1 ingress protocol ip pref 1 handle 101 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_mirror_common_test()
|
|
{
|
|
local pol_if=$1; shift
|
|
local dir=$1; shift
|
|
local test_name=$1; shift
|
|
|
|
RET=0
|
|
|
|
# Rule to measure bandwidth on ingress of $h2
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action drop
|
|
|
|
# Rule to measure bandwidth of mirrored traffic on ingress of $h3
|
|
tc filter add dev $h3 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action drop
|
|
|
|
# Rule to police traffic destined to $h2 and mirror to $h3
|
|
tc filter add dev $pol_if $dir protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police rate 80mbit burst 16k conform-exceed drop/pipe \
|
|
action mirred egress mirror dev $rp3
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=54321 -p 1000 -c 0 -q &
|
|
|
|
local t0=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
sleep 10
|
|
local t1=$(tc_rule_stats_get $h2 1 ingress .bytes)
|
|
|
|
local er=$((80 * 1000 * 1000))
|
|
local nr=$(rate $t0 $t1 10)
|
|
local nr_pct=$((100 * (nr - er) / er))
|
|
((-10 <= nr_pct && nr_pct <= 10))
|
|
check_err $? "Expected rate $(humanize $er), got $(humanize $nr), which is $nr_pct% off. Required accuracy is +-10%."
|
|
|
|
local t0=$(tc_rule_stats_get $h3 1 ingress .bytes)
|
|
sleep 10
|
|
local t1=$(tc_rule_stats_get $h3 1 ingress .bytes)
|
|
|
|
local er=$((80 * 1000 * 1000))
|
|
local nr=$(rate $t0 $t1 10)
|
|
local nr_pct=$((100 * (nr - er) / er))
|
|
((-10 <= nr_pct && nr_pct <= 10))
|
|
check_err $? "Expected rate $(humanize $er), got $(humanize $nr), which is $nr_pct% off. Required accuracy is +-10%."
|
|
|
|
log_test "$test_name"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
tc filter del dev $pol_if $dir protocol ip pref 1 handle 101 flower
|
|
tc filter del dev $h3 ingress protocol ip pref 1 handle 101 flower
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_rx_mirror_test()
|
|
{
|
|
police_mirror_common_test $rp1 ingress "police rx and mirror"
|
|
}
|
|
|
|
police_tx_mirror_test()
|
|
{
|
|
police_mirror_common_test $rp2 egress "police tx and mirror"
|
|
}
|
|
|
|
police_pps_common_test()
|
|
{
|
|
local test_name=$1; shift
|
|
|
|
RET=0
|
|
|
|
# Rule to measure bandwidth on ingress of $h2
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action drop
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=54321 -p 1000 -c 0 -q &
|
|
|
|
local t0=$(tc_rule_stats_get $h2 1 ingress .packets)
|
|
sleep 10
|
|
local t1=$(tc_rule_stats_get $h2 1 ingress .packets)
|
|
|
|
local er=$((2000))
|
|
local nr=$(packets_rate $t0 $t1 10)
|
|
local nr_pct=$((100 * (nr - er) / er))
|
|
((-10 <= nr_pct && nr_pct <= 10))
|
|
check_err $? "Expected rate $(humanize $er), got $(humanize $nr), which is $nr_pct% off. Required accuracy is +-10%."
|
|
|
|
log_test "$test_name"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_pps_rx_test()
|
|
{
|
|
# Rule to police traffic destined to $h2 on ingress of $rp1
|
|
tc filter add dev $rp1 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police pkts_rate 2000 pkts_burst 400 conform-exceed drop/ok
|
|
|
|
police_pps_common_test "police pps on rx"
|
|
|
|
tc filter del dev $rp1 ingress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_pps_tx_test()
|
|
{
|
|
# Rule to police traffic destined to $h2 on egress of $rp2
|
|
tc filter add dev $rp2 egress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police pkts_rate 2000 pkts_burst 400 conform-exceed drop/ok
|
|
|
|
police_pps_common_test "police pps on tx"
|
|
|
|
tc filter del dev $rp2 egress protocol ip pref 1 handle 101 flower
|
|
}
|
|
|
|
police_mtu_common_test() {
|
|
RET=0
|
|
|
|
local test_name=$1; shift
|
|
local dev=$1; shift
|
|
local direction=$1; shift
|
|
|
|
tc filter add dev $dev $direction protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action police mtu 1042 conform-exceed drop/ok
|
|
|
|
# to count "conform" packets
|
|
tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
|
|
dst_ip 198.51.100.1 ip_proto udp dst_port 54321 \
|
|
action drop
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=54321 -p 1001 -c 10 -q
|
|
|
|
mausezahn $h1 -a own -b $(mac_get $rp1) -A 192.0.2.1 -B 198.51.100.1 \
|
|
-t udp sp=12345,dp=54321 -p 1000 -c 3 -q
|
|
|
|
tc_check_packets "dev $dev $direction" 101 13
|
|
check_err $? "wrong packet counter"
|
|
|
|
# "exceed" packets
|
|
local overlimits_t0=$(tc_rule_stats_get ${dev} 1 ${direction} .overlimits)
|
|
test ${overlimits_t0} = 10
|
|
check_err $? "wrong overlimits, expected 10 got ${overlimits_t0}"
|
|
|
|
# "conform" packets
|
|
tc_check_packets "dev $h2 ingress" 101 3
|
|
check_err $? "forwarding error"
|
|
|
|
tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
|
|
tc filter del dev $dev $direction protocol ip pref 1 handle 101 flower
|
|
|
|
log_test "$test_name"
|
|
}
|
|
|
|
police_mtu_rx_test()
|
|
{
|
|
police_mtu_common_test "police mtu (rx)" $rp1 ingress
|
|
}
|
|
|
|
police_mtu_tx_test()
|
|
{
|
|
police_mtu_common_test "police mtu (tx)" $rp2 egress
|
|
}
|
|
|
|
setup_prepare()
|
|
{
|
|
h1=${NETIFS[p1]}
|
|
rp1=${NETIFS[p2]}
|
|
|
|
rp2=${NETIFS[p3]}
|
|
h2=${NETIFS[p4]}
|
|
|
|
rp3=${NETIFS[p5]}
|
|
h3=${NETIFS[p6]}
|
|
|
|
vrf_prepare
|
|
forwarding_enable
|
|
|
|
h1_create
|
|
h2_create
|
|
h3_create
|
|
router_create
|
|
}
|
|
|
|
cleanup()
|
|
{
|
|
pre_cleanup
|
|
|
|
router_destroy
|
|
h3_destroy
|
|
h2_destroy
|
|
h1_destroy
|
|
|
|
forwarding_restore
|
|
vrf_cleanup
|
|
}
|
|
|
|
trap cleanup EXIT
|
|
|
|
setup_prepare
|
|
setup_wait
|
|
|
|
tests_run
|
|
|
|
exit $EXIT_STATUS
|