tools/testing/selftests/net/forwarding/tc_actions.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \
   5         mirred_egress_mirror_test gact_trap_test"
   6 NUM_NETIFS=4
   7 source tc_common.sh
   8 source lib.sh
   9
  10 tcflags="skip_hw"
  11
  12 h1_create()
  13 {
  14         simple_if_init $h1 192.0.2.1/24
  15 }
  16
  17 h1_destroy()
  18 {
  19         simple_if_fini $h1 192.0.2.1/24
  20 }
  21
  22 h2_create()
  23 {
  24         simple_if_init $h2 192.0.2.2/24
  25         tc qdisc add dev $h2 clsact
  26 }
  27
  28 h2_destroy()
  29 {
  30         tc qdisc del dev $h2 clsact
  31         simple_if_fini $h2 192.0.2.2/24
  32 }
  33
  34 switch_create()
  35 {
  36         simple_if_init $swp1 192.0.2.2/24
  37         tc qdisc add dev $swp1 clsact
  38
  39         simple_if_init $swp2 192.0.2.1/24
  40 }
  41
  42 switch_destroy()
  43 {
  44         simple_if_fini $swp2 192.0.2.1/24
  45
  46         tc qdisc del dev $swp1 clsact
  47         simple_if_fini $swp1 192.0.2.2/24
  48 }
  49
  50 mirred_egress_test()
  51 {
  52         local action=$1
  53
  54         RET=0
  55
  56         tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \
  57                 $tcflags dst_ip 192.0.2.2 action drop
  58
  59         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
  60                 -t ip -q
  61
  62         tc_check_packets "dev $h2 ingress" 101 1
  63         check_fail $? "Matched without redirect rule inserted"
  64
  65         tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
  66                 $tcflags dst_ip 192.0.2.2 action mirred egress $action \
  67                 dev $swp2
  68
  69         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
  70                 -t ip -q
  71
  72         tc_check_packets "dev $h2 ingress" 101 1
  73         check_err $? "Did not match incoming $action packet"
  74
  75         tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
  76         tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower
  77
  78         log_test "mirred egress $action ($tcflags)"
  79 }
  80
  81 gact_drop_and_ok_test()
  82 {
  83         RET=0
  84
  85         tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \
  86                 $tcflags dst_ip 192.0.2.2 action drop
  87
  88         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
  89                 -t ip -q
  90
  91         tc_check_packets "dev $swp1 ingress" 102 1
  92         check_err $? "Packet was not dropped"
  93
  94         tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
  95                 $tcflags dst_ip 192.0.2.2 action ok
  96
  97         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
  98                 -t ip -q
  99
 100         tc_check_packets "dev $swp1 ingress" 101 1
 101         check_err $? "Did not see passed packet"
 102
 103         tc_check_packets "dev $swp1 ingress" 102 2
 104         check_fail $? "Packet was dropped and it should not reach here"
 105
 106         tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower
 107         tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
 108
 109         log_test "gact drop and ok ($tcflags)"
 110 }
 111
 112 gact_trap_test()
 113 {
 114         RET=0
 115
 116         if [[ "$tcflags" != "skip_sw" ]]; then
 117                 return 0;
 118         fi
 119
 120         tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \
 121                 skip_hw dst_ip 192.0.2.2 action drop
 122         tc filter add dev $swp1 ingress protocol ip pref 3 handle 103 flower \
 123                 $tcflags dst_ip 192.0.2.2 action mirred egress redirect \
 124                 dev $swp2
 125
 126         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 127                 -t ip -q
 128
 129         tc_check_packets "dev $swp1 ingress" 101 1
 130         check_fail $? "Saw packet without trap rule inserted"
 131
 132         tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \
 133                 $tcflags dst_ip 192.0.2.2 action trap
 134
 135         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \
 136                 -t ip -q
 137
 138         tc_check_packets "dev $swp1 ingress" 102 1
 139         check_err $? "Packet was not trapped"
 140
 141         tc_check_packets "dev $swp1 ingress" 101 1
 142         check_err $? "Did not see trapped packet"
 143
 144         tc filter del dev $swp1 ingress protocol ip pref 3 handle 103 flower
 145         tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower
 146         tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower
 147
 148         log_test "trap ($tcflags)"
 149 }
 150
 151 setup_prepare()
 152 {
 153         h1=${NETIFS[p1]}
 154         swp1=${NETIFS[p2]}
 155
 156         swp2=${NETIFS[p3]}
 157         h2=${NETIFS[p4]}
 158
 159         h1mac=$(mac_get $h1)
 160         h2mac=$(mac_get $h2)
 161
 162         swp1origmac=$(mac_get $swp1)
 163         swp2origmac=$(mac_get $swp2)
 164         ip link set $swp1 address $h2mac
 165         ip link set $swp2 address $h1mac
 166
 167         vrf_prepare
 168
 169         h1_create
 170         h2_create
 171         switch_create
 172 }
 173
 174 cleanup()
 175 {
 176         pre_cleanup
 177
 178         switch_destroy
 179         h2_destroy
 180         h1_destroy
 181
 182         vrf_cleanup
 183
 184         ip link set $swp2 address $swp2origmac
 185         ip link set $swp1 address $swp1origmac
 186 }
 187
 188 mirred_egress_redirect_test()
 189 {
 190         mirred_egress_test "redirect"
 191 }
 192
 193 mirred_egress_mirror_test()
 194 {
 195         mirred_egress_test "mirror"
 196 }
 197
 198 trap cleanup EXIT
 199
 200 setup_prepare
 201 setup_wait
 202
 203 tests_run
 204
 205 tc_offload_check
 206 if [[ $? -ne 0 ]]; then
 207         log_info "Could not test offloaded functionality"
 208 else
 209         tcflags="skip_sw"
 210         tests_run
 211 fi
 212
 213 exit $EXIT_STATUS