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Diffstat (limited to 'tools/testing/selftests/drivers/net/mlxsw/tc_police_occ.sh')
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/tc_police_occ.sh108
1 files changed, 108 insertions, 0 deletions
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