1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 lib_dir=$(dirname $0)/../../../net/forwarding
5
6 ALL_TESTS="
7 default_hw_stats_test
8 immediate_hw_stats_test
9 delayed_hw_stats_test
10 disabled_hw_stats_test
11 "
12 NUM_NETIFS=2
13
14 source $lib_dir/tc_common.sh
15 source $lib_dir/lib.sh
16 source $lib_dir/devlink_lib.sh
17
18 h1_create()
19 {
20 simple_if_init $h1 192.0.2.1/24
21 }
22
23 h1_destroy()
24 {
25 simple_if_fini $h1 192.0.2.1/24
26 }
27
28 switch_create()
29 {
30 simple_if_init $swp1 192.0.2.2/24
31 tc qdisc add dev $swp1 clsact
32 }
33
34 switch_destroy()
35 {
36 tc qdisc del dev $swp1 clsact
37 simple_if_fini $swp1 192.0.2.2/24
38 }
39
40 hw_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
71 default_hw_stats_test()
72 {
73 hw_stats_test "default" "" 2 1
74 }
75
76 immediate_hw_stats_test()
77 {
78 hw_stats_test "immediate" "hw_stats immediate" 2 1
79 }
80
81 delayed_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 $? "Unexpected success in adding rule with delayed hw_stats"
88
89 log_test "delayed hw_stats"
90 }
91
92 disabled_hw_stats_test()
93 {
94 hw_stats_test "disabled" "hw_stats disabled" 0 0
95 }
96
97 setup_prepare()
98 {
99 h1=${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
111 cleanup()
112 {
113 pre_cleanup
114
115 switch_destroy
116 h1_destroy
117
118 vrf_cleanup
119 }
120
121 check_tc_action_hw_stats_support
122
123 trap cleanup EXIT
124
125 setup_prepare
126 setup_wait
127
128 tests_run
129
130 exit $EXIT_STATUS
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