1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4lib_dir=$(dirname $0)/../../../net/forwarding
5
6ALL_TESTS="
7	default_hw_stats_test
8	immediate_hw_stats_test
9	delayed_hw_stats_test
10	disabled_hw_stats_test
11"
12NUM_NETIFS=2
13
14source $lib_dir/tc_common.sh
15source $lib_dir/lib.sh
16source $lib_dir/devlink_lib.sh
17
18h1_create()
19{
20	simple_if_init $h1 192.0.2.1/24
21}
22
23h1_destroy()
24{
25	simple_if_fini $h1 192.0.2.1/24
26}
27
28switch_create()
29{
30	simple_if_init $swp1 192.0.2.2/24
31	tc qdisc add dev $swp1 clsact
32}
33
34switch_destroy()
35{
36	tc qdisc del dev $swp1 clsact
37	simple_if_fini $swp1 192.0.2.2/24
38}
39
40hw_stats_test()
41{
42	RET=0
43
44	local name=$1
45	local action_hw_stats=$2
46	local occ_delta=$3
47	local expected_packet_count=$4
48
49	local orig_occ=$(devlink_resource_get "counters" "flow" | jq '.["occ"]')
50
51	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
52		skip_sw dst_ip 192.0.2.2 action drop $action_hw_stats
53	check_err $? "Failed to add rule with $name hw_stats"
54
55	local new_occ=$(devlink_resource_get "counters" "flow" | jq '.["occ"]')
56	local expected_occ=$((orig_occ + occ_delta))
57	[ "$new_occ" == "$expected_occ" ]
58	check_err $? "Expected occupancy of $expected_occ, got $new_occ"
59
60	$MZ $h1 -c 1 -p 64 -a $h1mac -b $swp1mac -A 192.0.2.1 -B 192.0.2.2 \
61		-t ip -q
62
63	tc_check_packets "dev $swp1 ingress" 101 $expected_packet_count
64	check_err $? "Did not match incoming packet"
65
66	tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
67
68	log_test "$name hw_stats"
69}
70
71default_hw_stats_test()
72{
73	hw_stats_test "default" "" 2 1
74}
75
76immediate_hw_stats_test()
77{
78	hw_stats_test "immediate" "hw_stats immediate" 2 1
79}
80
81delayed_hw_stats_test()
82{
83	RET=0
84
85	tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
86		skip_sw dst_ip 192.0.2.2 action drop hw_stats delayed
87	check_fail $? "Unexpected success in adding rule with delayed hw_stats"
88
89	log_test "delayed hw_stats"
90}
91
92disabled_hw_stats_test()
93{
94	hw_stats_test "disabled" "hw_stats disabled" 0 0
95}
96
97setup_prepare()
98{
99	h1=${NETIFS[p1]}
100	swp1=${NETIFS[p2]}
101
102	h1mac=$(mac_get $h1)
103	swp1mac=$(mac_get $swp1)
104
105	vrf_prepare
106
107	h1_create
108	switch_create
109}
110
111cleanup()
112{
113	pre_cleanup
114
115	switch_destroy
116	h1_destroy
117
118	vrf_cleanup
119}
120
121check_tc_action_hw_stats_support
122
123trap cleanup EXIT
124
125setup_prepare
126setup_wait
127
128tests_run
129
130exit $EXIT_STATUS
131