diff options
Diffstat (limited to 'tools/testing/selftests/drivers/net/mlxsw')
10 files changed, 466 insertions, 5 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh index 0d347d48c112..517297a14ecf 100644 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_core.sh @@ -121,6 +121,7 @@ h1_destroy() h2_create() { host_create $h2 2 + tc qdisc add dev $h2 clsact # Some of the tests in this suite use multicast traffic. As this traffic # enters BR2_10 resp. BR2_11, it is flooded to all other ports. Thus @@ -141,6 +142,7 @@ h2_create() h2_destroy() { ethtool -s $h2 autoneg on + tc qdisc del dev $h2 clsact host_destroy $h2 } @@ -336,6 +338,17 @@ get_qdisc_npackets() qdisc_stats_get $swp3 $(get_qdisc_handle $vlan) .packets } +send_packets() +{ + local vlan=$1; shift + local proto=$1; shift + local pkts=$1; shift + + $MZ $h2.$vlan -p 8000 -a own -b $h3_mac \ + -A $(ipaddr 2 $vlan) -B $(ipaddr 3 $vlan) \ + -t $proto -q -c $pkts "$@" +} + # This sends traffic in an attempt to build a backlog of $size. Returns 0 on # success. After 10 failed attempts it bails out and returns 1. It dumps the # backlog size to stdout. @@ -364,9 +377,7 @@ build_backlog() return 1 fi - $MZ $h2.$vlan -p 8000 -a own -b $h3_mac \ - -A $(ipaddr 2 $vlan) -B $(ipaddr 3 $vlan) \ - -t $proto -q -c $pkts "$@" + send_packets $vlan $proto $pkts "$@" done } @@ -531,3 +542,115 @@ do_mc_backlog_test() log_test "TC $((vlan - 10)): Qdisc reports MC backlog" } + +do_drop_test() +{ + local vlan=$1; shift + local limit=$1; shift + local trigger=$1; shift + local subtest=$1; shift + local fetch_counter=$1; shift + local backlog + local base + local now + local pct + + RET=0 + + start_traffic $h1.$vlan $(ipaddr 1 $vlan) $(ipaddr 3 $vlan) $h3_mac + + # Create a bit of a backlog and observe no mirroring due to drops. + qevent_rule_install_$subtest + base=$($fetch_counter) + + build_backlog $vlan $((2 * limit / 3)) udp >/dev/null + + busywait 1100 until_counter_is ">= $((base + 1))" $fetch_counter >/dev/null + check_fail $? "Spurious packets observed without buffer pressure" + + # Push to the queue until it's at the limit. The configured limit is + # rounded by the qdisc and then by the driver, so this is the best we + # can do to get to the real limit of the system. + build_backlog $vlan $((3 * limit / 2)) udp >/dev/null + + base=$($fetch_counter) + send_packets $vlan udp 11 + + now=$(busywait 1100 until_counter_is ">= $((base + 10))" $fetch_counter) + check_err $? "Dropped packets not observed: 11 expected, $((now - base)) seen" + + # When no extra traffic is injected, there should be no mirroring. + busywait 1100 until_counter_is ">= $((base + 20))" $fetch_counter >/dev/null + check_fail $? "Spurious packets observed" + + # When the rule is uninstalled, there should be no mirroring. + qevent_rule_uninstall_$subtest + send_packets $vlan udp 11 + busywait 1100 until_counter_is ">= $((base + 20))" $fetch_counter >/dev/null + check_fail $? "Spurious packets observed after uninstall" + + log_test "TC $((vlan - 10)): ${trigger}ped packets $subtest'd" + + stop_traffic + sleep 1 +} + +qevent_rule_install_mirror() +{ + tc filter add block 10 pref 1234 handle 102 matchall skip_sw \ + action mirred egress mirror dev $swp2 hw_stats disabled +} + +qevent_rule_uninstall_mirror() +{ + tc filter del block 10 pref 1234 handle 102 matchall +} + +qevent_counter_fetch_mirror() +{ + tc_rule_handle_stats_get "dev $h2 ingress" 101 +} + +do_drop_mirror_test() +{ + local vlan=$1; shift + local limit=$1; shift + local qevent_name=$1; shift + + tc filter add dev $h2 ingress pref 1 handle 101 prot ip \ + flower skip_sw ip_proto udp \ + action drop + + do_drop_test "$vlan" "$limit" "$qevent_name" mirror \ + qevent_counter_fetch_mirror + + tc filter del dev $h2 ingress pref 1 handle 101 flower +} + +qevent_rule_install_trap() +{ + tc filter add block 10 pref 1234 handle 102 matchall skip_sw \ + action trap hw_stats disabled +} + +qevent_rule_uninstall_trap() +{ + tc filter del block 10 pref 1234 handle 102 matchall +} + +qevent_counter_fetch_trap() +{ + local trap_name=$1; shift + + devlink_trap_rx_packets_get "$trap_name" +} + +do_drop_trap_test() +{ + local vlan=$1; shift + local limit=$1; shift + local trap_name=$1; shift + + do_drop_test "$vlan" "$limit" "$trap_name" trap \ + "qevent_counter_fetch_trap $trap_name" +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh index 1c36c576613b..3f007c5f8361 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_ets.sh @@ -7,6 +7,8 @@ ALL_TESTS=" ecn_nodrop_test red_test mc_backlog_test + red_mirror_test + red_trap_test " : ${QDISC:=ets} source sch_red_core.sh @@ -83,6 +85,26 @@ mc_backlog_test() uninstall_qdisc } +red_mirror_test() +{ + install_qdisc qevent early_drop block 10 + + do_drop_mirror_test 10 $BACKLOG1 early_drop + do_drop_mirror_test 11 $BACKLOG2 early_drop + + uninstall_qdisc +} + +red_trap_test() +{ + install_qdisc qevent early_drop block 10 + + do_drop_trap_test 10 $BACKLOG1 early_drop + do_drop_trap_test 11 $BACKLOG2 early_drop + + uninstall_qdisc +} + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/drivers/net/mlxsw/sch_red_root.sh b/tools/testing/selftests/drivers/net/mlxsw/sch_red_root.sh index 558667ea11ec..ede9c38d3eff 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/sch_red_root.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/sch_red_root.sh @@ -7,6 +7,7 @@ ALL_TESTS=" ecn_nodrop_test red_test mc_backlog_test + red_mirror_test " source sch_red_core.sh @@ -57,6 +58,13 @@ mc_backlog_test() uninstall_qdisc } +red_mirror_test() +{ + install_qdisc qevent early_drop block 10 + do_drop_mirror_test 10 $BACKLOG + uninstall_qdisc +} + trap cleanup EXIT setup_prepare diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh index fd583a171db7..d7cf33a3f18d 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/resource_scale.sh @@ -28,7 +28,7 @@ cleanup() trap cleanup EXIT -ALL_TESTS="router tc_flower mirror_gre" +ALL_TESTS="router tc_flower mirror_gre tc_police" for current_test in ${TESTS:-$ALL_TESTS}; do source ${current_test}_scale.sh diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_police_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_police_scale.sh new file mode 100644 index 000000000000..e79ac0dad1f4 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/tc_police_scale.sh @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../tc_police_scale.sh + +tc_police_get_target() +{ + local should_fail=$1; shift + local target + + target=$(devlink_resource_size_get global_policers single_rate_policers) + + if ((! should_fail)); then + echo $target + else + echo $((target + 1)) + fi +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh index 43ba1b438f6d..43f662401bc3 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/resource_scale.sh @@ -22,7 +22,7 @@ cleanup() devlink_sp_read_kvd_defaults trap cleanup EXIT -ALL_TESTS="router tc_flower mirror_gre" +ALL_TESTS="router tc_flower mirror_gre tc_police" for current_test in ${TESTS:-$ALL_TESTS}; do source ${current_test}_scale.sh diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_police_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_police_scale.sh new file mode 100644 index 000000000000..e79ac0dad1f4 --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum/tc_police_scale.sh @@ -0,0 +1,16 @@ +# SPDX-License-Identifier: GPL-2.0 +source ../tc_police_scale.sh + +tc_police_get_target() +{ + local should_fail=$1; shift + local target + + target=$(devlink_resource_size_get global_policers single_rate_policers) + + if ((! should_fail)); then + echo $target + else + echo $((target + 1)) + fi +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_police_occ.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_police_occ.sh new file mode 100755 index 000000000000..448b75c1545a --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_police_occ.sh @@ -0,0 +1,108 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# Test that policers shared by different tc filters are correctly reference +# counted by observing policers' occupancy via devlink-resource. + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + tc_police_occ_test +" +NUM_NETIFS=2 +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh + +h1_create() +{ + simple_if_init $h1 +} + +h1_destroy() +{ + simple_if_fini $h1 +} + +switch_create() +{ + simple_if_init $swp1 + tc qdisc add dev $swp1 clsact +} + +switch_destroy() +{ + tc qdisc del dev $swp1 clsact + simple_if_fini $swp1 +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + vrf_prepare + + h1_create + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + h1_destroy + + vrf_cleanup +} + +tc_police_occ_get() +{ + devlink_resource_occ_get global_policers single_rate_policers +} + +tc_police_occ_test() +{ + RET=0 + + local occ=$(tc_police_occ_get) + + tc filter add dev $swp1 ingress pref 1 handle 101 proto ip \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/ok + (( occ + 1 == $(tc_police_occ_get) )) + check_err $? "Got occupancy $(tc_police_occ_get), expected $((occ + 1))" + + tc filter del dev $swp1 ingress pref 1 handle 101 flower + (( occ == $(tc_police_occ_get) )) + check_err $? "Got occupancy $(tc_police_occ_get), expected $occ" + + tc filter add dev $swp1 ingress pref 1 handle 101 proto ip \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/ok \ + index 10 + tc filter add dev $swp1 ingress pref 2 handle 102 proto ip \ + flower skip_sw action police index 10 + + (( occ + 1 == $(tc_police_occ_get) )) + check_err $? "Got occupancy $(tc_police_occ_get), expected $((occ + 1))" + + tc filter del dev $swp1 ingress pref 2 handle 102 flower + (( occ + 1 == $(tc_police_occ_get) )) + check_err $? "Got occupancy $(tc_police_occ_get), expected $((occ + 1))" + + tc filter del dev $swp1 ingress pref 1 handle 101 flower + (( occ == $(tc_police_occ_get) )) + check_err $? "Got occupancy $(tc_police_occ_get), expected $occ" + + log_test "tc police occupancy" +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh new file mode 100644 index 000000000000..4b96561c462f --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_police_scale.sh @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: GPL-2.0 + +TC_POLICE_NUM_NETIFS=2 + +tc_police_h1_create() +{ + simple_if_init $h1 +} + +tc_police_h1_destroy() +{ + simple_if_fini $h1 +} + +tc_police_switch_create() +{ + simple_if_init $swp1 + tc qdisc add dev $swp1 clsact +} + +tc_police_switch_destroy() +{ + tc qdisc del dev $swp1 clsact + simple_if_fini $swp1 +} + +tc_police_rules_create() +{ + local count=$1; shift + local should_fail=$1; shift + + TC_POLICE_BATCH_FILE="$(mktemp)" + + for ((i = 0; i < count; ++i)); do + cat >> $TC_POLICE_BATCH_FILE <<-EOF + filter add dev $swp1 ingress \ + prot ip \ + flower skip_sw \ + action police rate 10mbit burst 100k \ + conform-exceed drop/ok + EOF + done + + tc -b $TC_POLICE_BATCH_FILE + check_err_fail $should_fail $? "Rule insertion" +} + +__tc_police_test() +{ + local count=$1; shift + local should_fail=$1; shift + + tc_police_rules_create $count $should_fail + + offload_count=$(tc filter show dev $swp1 ingress | grep in_hw | wc -l) + ((offload_count == count)) + check_err_fail $should_fail $? "tc police offload count" +} + +tc_police_test() +{ + local count=$1; shift + local should_fail=$1; shift + + if ! tc_offload_check $TC_POLICE_NUM_NETIFS; then + check_err 1 "Could not test offloaded functionality" + return + fi + + __tc_police_test $count $should_fail +} + +tc_police_setup_prepare() +{ + h1=${NETIFS[p1]} + swp1=${NETIFS[p2]} + + vrf_prepare + + tc_police_h1_create + tc_police_switch_create +} + +tc_police_cleanup() +{ + pre_cleanup + + tc_police_switch_destroy + tc_police_h1_destroy + + vrf_cleanup +} diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh index 9241250c5921..553cb9fad508 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh @@ -11,6 +11,8 @@ ALL_TESTS=" matchall_mirror_behind_flower_ingress_test matchall_sample_behind_flower_ingress_test matchall_mirror_behind_flower_egress_test + police_limits_test + multi_police_test " NUM_NETIFS=2 @@ -287,6 +289,80 @@ matchall_mirror_behind_flower_egress_test() matchall_behind_flower_egress_test "mirror" "mirred egress mirror dev $swp2" } +police_limits_test() +{ + RET=0 + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 0.5kbit burst 1m conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too low rate" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 2.5tbit burst 1g conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too high rate" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 1m conform-exceed drop/ok + check_err $? "Failed to add police action with low rate" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.9tbit burst 1g conform-exceed drop/ok + check_err $? "Failed to add police action with high rate" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 512b conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too low burst size" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 2k conform-exceed drop/ok + check_err $? "Failed to add police action with low burst size" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc qdisc del dev $swp1 clsact + + log_test "police rate and burst limits" +} + +multi_police_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have multiple police + # actions in a single rule. + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/ok + check_err $? "Failed to add rule with single police action" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/pipe \ + action police rate 200mbit burst 200k conform-exceed drop/ok + check_fail $? "Incorrect success to add rule with two police actions" + + tc qdisc del dev $swp1 clsact + + log_test "multi police" +} + setup_prepare() { swp1=${NETIFS[p1]} |