diff options
Diffstat (limited to 'tools/testing/selftests/net/forwarding/tc_police.sh')
| -rwxr-xr-x | tools/testing/selftests/net/forwarding/tc_police.sh | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/forwarding/tc_police.sh b/tools/testing/selftests/net/forwarding/tc_police.sh new file mode 100755 index 000000000000..0a51eef21b9e --- /dev/null +++ b/tools/testing/selftests/net/forwarding/tc_police.sh @@ -0,0 +1,441 @@ +#!/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 |