net/mlxsw/devlink_trap.sh

0001 #!/bin/bash
0002 # SPDX-License-Identifier: GPL-2.0
0003 #
0004 # Test generic devlink-trap functionality over mlxsw. These tests are not
0005 # specific to a single trap, but do not check the devlink-trap common
0006 # infrastructure either.
0007
0008 lib_dir=$(dirname $0)/../../../net/forwarding
0009
0010 ALL_TESTS="
0011         dev_del_test
0012 "
0013 NUM_NETIFS=4
0014 source $lib_dir/tc_common.sh
0015 source $lib_dir/lib.sh
0016 source $lib_dir/devlink_lib.sh
0017
0018 h1_create()
0019 {
0020         simple_if_init $h1
0021 }
0022
0023 h1_destroy()
0024 {
0025         simple_if_fini $h1
0026 }
0027
0028 h2_create()
0029 {
0030         simple_if_init $h2
0031 }
0032
0033 h2_destroy()
0034 {
0035         simple_if_fini $h2
0036 }
0037
0038 switch_create()
0039 {
0040         ip link add dev br0 type bridge vlan_filtering 1 mcast_snooping 0
0041
0042         ip link set dev $swp1 master br0
0043         ip link set dev $swp2 master br0
0044
0045         ip link set dev br0 up
0046         ip link set dev $swp1 up
0047         ip link set dev $swp2 up
0048 }
0049
0050 switch_destroy()
0051 {
0052         ip link set dev $swp2 down
0053         ip link set dev $swp1 down
0054
0055         ip link del dev br0
0056 }
0057
0058 setup_prepare()
0059 {
0060         h1=${NETIFS[p1]}
0061         swp1=${NETIFS[p2]}
0062
0063         swp2=${NETIFS[p3]}
0064         h2=${NETIFS[p4]}
0065
0066         vrf_prepare
0067
0068         h1_create
0069         h2_create
0070
0071         switch_create
0072 }
0073
0074 cleanup()
0075 {
0076         pre_cleanup
0077
0078         switch_destroy
0079
0080         h2_destroy
0081         h1_destroy
0082
0083         vrf_cleanup
0084 }
0085
0086 dev_del_test()
0087 {
0088         local trap_name="source_mac_is_multicast"
0089         local smac=01:02:03:04:05:06
0090         local num_iter=5
0091         local mz_pid
0092         local i
0093
0094         $MZ $h1 -c 0 -p 100 -a $smac -b bcast -t ip -q &
0095         mz_pid=$!
0096
0097         # The purpose of this test is to make sure we correctly dismantle a
0098         # port while packets are trapped from it. This is done by reloading the
0099         # the driver while the 'ingress_smac_mc_drop' trap is triggered.
0100         RET=0
0101
0102         for i in $(seq 1 $num_iter); do
0103                 log_info "Iteration $i / $num_iter"
0104
0105                 devlink_trap_action_set $trap_name "trap"
0106                 sleep 1
0107
0108                 devlink_reload
0109                 # Allow netdevices to be re-created following the reload
0110                 sleep 20
0111
0112                 cleanup
0113                 setup_prepare
0114                 setup_wait
0115         done
0116
0117         log_test "Device delete"
0118
0119         kill $mz_pid && wait $mz_pid &> /dev/null
0120 }
0121
0122 trap cleanup EXIT
0123
0124 setup_prepare
0125 setup_wait
0126
0127 tests_run
0128
0129 exit $EXIT_STATUS