tools/testing/selftests/drivers/net/mlxsw/tc_action_hw_stats.sh

   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