name : tc_police_occ.sh #!/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