#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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lib_dir=$(dirname $0)/../../../net/forwarding
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ALL_TESTS="
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default_hw_stats_test
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immediate_hw_stats_test
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delayed_hw_stats_test
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disabled_hw_stats_test
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"
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NUM_NETIFS=2
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source $lib_dir/tc_common.sh
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source $lib_dir/lib.sh
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source $lib_dir/devlink_lib.sh
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/24
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}
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h1_destroy()
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{
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simple_if_fini $h1 192.0.2.1/24
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}
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switch_create()
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{
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simple_if_init $swp1 192.0.2.2/24
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tc qdisc add dev $swp1 clsact
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}
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switch_destroy()
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{
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tc qdisc del dev $swp1 clsact
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simple_if_fini $swp1 192.0.2.2/24
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}
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hw_stats_test()
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{
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RET=0
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local name=$1
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local action_hw_stats=$2
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local occ_delta=$3
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local expected_packet_count=$4
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local orig_occ=$(devlink_resource_get "counters" "flow" | jq '.["occ"]')
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tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
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skip_sw dst_ip 192.0.2.2 action drop $action_hw_stats
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check_err $? "Failed to add rule with $name hw_stats"
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local new_occ=$(devlink_resource_get "counters" "flow" | jq '.["occ"]')
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local expected_occ=$((orig_occ + occ_delta))
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[ "$new_occ" == "$expected_occ" ]
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check_err $? "Expected occupancy of $expected_occ, got $new_occ"
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$MZ $h1 -c 1 -p 64 -a $h1mac -b $swp1mac -A 192.0.2.1 -B 192.0.2.2 \
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-t ip -q
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tc_check_packets "dev $swp1 ingress" 101 $expected_packet_count
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check_err $? "Did not match incoming packet"
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tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
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log_test "$name hw_stats"
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}
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default_hw_stats_test()
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{
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hw_stats_test "default" "" 2 1
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}
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immediate_hw_stats_test()
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{
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hw_stats_test "immediate" "hw_stats immediate" 2 1
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}
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delayed_hw_stats_test()
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{
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RET=0
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tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
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skip_sw dst_ip 192.0.2.2 action drop hw_stats delayed
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check_fail $? "Unexpected success in adding rule with delayed hw_stats"
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log_test "delayed hw_stats"
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}
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disabled_hw_stats_test()
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{
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hw_stats_test "disabled" "hw_stats disabled" 0 0
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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h1mac=$(mac_get $h1)
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swp1mac=$(mac_get $swp1)
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vrf_prepare
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h1_create
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switch_create
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}
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cleanup()
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{
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pre_cleanup
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switch_destroy
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h1_destroy
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vrf_cleanup
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}
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check_tc_action_hw_stats_support
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trap cleanup EXIT
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setup_prepare
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setup_wait
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tests_run
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exit $EXIT_STATUS
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