diff options
Diffstat (limited to '')
| -rwxr-xr-x | tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh | 414 |
1 files changed, 414 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh new file mode 100755 index 000000000000..0441a18f098b --- /dev/null +++ b/tools/testing/selftests/drivers/net/mlxsw/tc_restrictions.sh @@ -0,0 +1,414 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +lib_dir=$(dirname $0)/../../../net/forwarding + +ALL_TESTS=" + shared_block_drop_test + egress_redirect_test + multi_mirror_test + matchall_sample_egress_test + matchall_mirror_behind_flower_ingress_test + matchall_sample_behind_flower_ingress_test + matchall_mirror_behind_flower_egress_test + matchall_proto_match_test + police_limits_test + multi_police_test +" +NUM_NETIFS=2 + +source $lib_dir/tc_common.sh +source $lib_dir/lib.sh +source $lib_dir/devlink_lib.sh +source mlxsw_lib.sh + +switch_create() +{ + simple_if_init $swp1 192.0.2.1/24 + simple_if_init $swp2 192.0.2.2/24 +} + +switch_destroy() +{ + simple_if_fini $swp2 192.0.2.2/24 + simple_if_fini $swp1 192.0.2.1/24 +} + +shared_block_drop_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have mixed-bound + # shared block with a drop rule. + + tc qdisc add dev $swp1 ingress_block 22 clsact + check_err $? "Failed to create clsact with ingress block" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_err $? "Failed to add drop rule to ingress bound block" + + tc qdisc add dev $swp2 ingress_block 22 clsact + check_err $? "Failed to create another clsact with ingress shared block" + + tc qdisc del dev $swp2 clsact + + tc qdisc add dev $swp2 egress_block 22 clsact + check_fail $? "Incorrect success to create another clsact with egress shared block" + + tc filter del block 22 protocol ip pref 1 handle 101 flower + + tc qdisc add dev $swp2 egress_block 22 clsact + check_err $? "Failed to create another clsact with egress shared block after blocker drop rule removed" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_fail $? "Incorrect success to add drop rule to mixed bound block" + + tc qdisc del dev $swp1 clsact + + tc qdisc add dev $swp1 egress_block 22 clsact + check_err $? "Failed to create another clsact with egress shared block" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_err $? "Failed to add drop rule to egress bound shared block" + + tc filter del block 22 protocol ip pref 1 handle 101 flower + + tc qdisc del dev $swp2 clsact + tc qdisc del dev $swp1 clsact + + log_test "shared block drop" +} + +egress_redirect_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have mirred redirect on + # egress-bound block. + + tc qdisc add dev $swp1 ingress_block 22 clsact + check_err $? "Failed to create clsact with ingress block" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress redirect dev $swp2 + check_err $? "Failed to add redirect rule to ingress bound block" + + tc qdisc add dev $swp2 ingress_block 22 clsact + check_err $? "Failed to create another clsact with ingress shared block" + + tc qdisc del dev $swp2 clsact + + tc qdisc add dev $swp2 egress_block 22 clsact + check_fail $? "Incorrect success to create another clsact with egress shared block" + + tc filter del block 22 protocol ip pref 1 handle 101 flower + + tc qdisc add dev $swp2 egress_block 22 clsact + check_err $? "Failed to create another clsact with egress shared block after blocker redirect rule removed" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress redirect dev $swp2 + check_fail $? "Incorrect success to add redirect rule to mixed bound block" + + tc qdisc del dev $swp1 clsact + + tc qdisc add dev $swp1 egress_block 22 clsact + check_err $? "Failed to create another clsact with egress shared block" + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress redirect dev $swp2 + check_fail $? "Incorrect success to add redirect rule to egress bound shared block" + + tc qdisc del dev $swp2 clsact + + tc filter add block 22 protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress redirect dev $swp2 + check_fail $? "Incorrect success to add redirect rule to egress bound block" + + tc qdisc del dev $swp1 clsact + + log_test "shared block drop" +} + +multi_mirror_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have multiple mirror + # actions in a single rule. + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress mirror dev $swp2 + check_err $? "Failed to add rule with single mirror action" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 \ + action mirred egress mirror dev $swp2 \ + action mirred egress mirror dev $swp1 + check_fail $? "Incorrect success to add rule with two mirror actions" + + tc qdisc del dev $swp1 clsact + + log_test "multi mirror" +} + +matchall_sample_egress_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have matchall with sample action + # bound on egress. Spectrum-1 specific restriction + mlxsw_only_on_spectrum 1 || return + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress protocol all pref 1 handle 101 \ + matchall skip_sw action sample rate 100 group 1 + check_err $? "Failed to add rule with sample action on ingress" + + tc filter del dev $swp1 ingress protocol all pref 1 handle 101 matchall + + tc filter add dev $swp1 egress protocol all pref 1 handle 101 \ + matchall skip_sw action sample rate 100 group 1 + check_fail $? "Incorrect success to add rule with sample action on egress" + + tc qdisc del dev $swp1 clsact + + log_test "matchall sample egress" +} + +matchall_behind_flower_ingress_test() +{ + local action=$1 + local action_args=$2 + + RET=0 + + # On ingress, all matchall-mirror and matchall-sample + # rules have to be in front of the flower rules + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress protocol ip pref 10 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + + tc filter add dev $swp1 ingress protocol all pref 9 handle 102 \ + matchall skip_sw action $action_args + check_err $? "Failed to add matchall rule in front of a flower rule" + + tc filter del dev $swp1 ingress protocol all pref 9 handle 102 matchall + + tc filter add dev $swp1 ingress protocol all pref 11 handle 102 \ + matchall skip_sw action $action_args + check_fail $? "Incorrect success to add matchall rule behind a flower rule" + + tc filter del dev $swp1 ingress protocol ip pref 10 handle 101 flower + + tc filter add dev $swp1 ingress protocol all pref 9 handle 102 \ + matchall skip_sw action $action_args + + tc filter add dev $swp1 ingress protocol ip pref 10 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_err $? "Failed to add flower rule behind a matchall rule" + + tc filter del dev $swp1 ingress protocol ip pref 10 handle 101 flower + + tc filter add dev $swp1 ingress protocol ip pref 8 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_fail $? "Incorrect success to add flower rule in front of a matchall rule" + + tc qdisc del dev $swp1 clsact + + log_test "matchall $action flower ingress" +} + +matchall_mirror_behind_flower_ingress_test() +{ + matchall_behind_flower_ingress_test "mirror" "mirred egress mirror dev $swp2" +} + +matchall_sample_behind_flower_ingress_test() +{ + matchall_behind_flower_ingress_test "sample" "sample rate 100 group 1" +} + +matchall_behind_flower_egress_test() +{ + local action=$1 + local action_args=$2 + + RET=0 + + # On egress, all matchall-mirror rules have to be behind the flower rules + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 egress protocol ip pref 10 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + + tc filter add dev $swp1 egress protocol all pref 11 handle 102 \ + matchall skip_sw action $action_args + check_err $? "Failed to add matchall rule in front of a flower rule" + + tc filter del dev $swp1 egress protocol all pref 11 handle 102 matchall + + tc filter add dev $swp1 egress protocol all pref 9 handle 102 \ + matchall skip_sw action $action_args + check_fail $? "Incorrect success to add matchall rule behind a flower rule" + + tc filter del dev $swp1 egress protocol ip pref 10 handle 101 flower + + tc filter add dev $swp1 egress protocol all pref 11 handle 102 \ + matchall skip_sw action $action_args + + tc filter add dev $swp1 egress protocol ip pref 10 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_err $? "Failed to add flower rule behind a matchall rule" + + tc filter del dev $swp1 egress protocol ip pref 10 handle 101 flower + + tc filter add dev $swp1 egress protocol ip pref 12 handle 101 flower \ + skip_sw dst_ip 192.0.2.2 action drop + check_fail $? "Incorrect success to add flower rule in front of a matchall rule" + + tc qdisc del dev $swp1 clsact + + log_test "matchall $action flower egress" +} + +matchall_mirror_behind_flower_egress_test() +{ + matchall_behind_flower_egress_test "mirror" "mirred egress mirror dev $swp2" +} + +matchall_proto_match_test() +{ + RET=0 + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + matchall skip_sw \ + action sample group 1 rate 100 + check_fail $? "Incorrect success to add matchall rule with protocol match" + + tc qdisc del dev $swp1 clsact + + log_test "matchall protocol match" +} + +police_limits_test() +{ + RET=0 + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 0.5kbit burst 1m conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too low rate" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 2.5tbit burst 1g conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too high rate" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 1m conform-exceed drop/ok + check_err $? "Failed to add police action with low rate" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.9tbit burst 1g conform-exceed drop/ok + check_err $? "Failed to add police action with high rate" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 512b conform-exceed drop/ok + check_fail $? "Incorrect success to add police action with too low burst size" + + tc filter add dev $swp1 ingress pref 1 proto ip handle 101 \ + flower skip_sw \ + action police rate 1.5kbit burst 2k conform-exceed drop/ok + check_err $? "Failed to add police action with low burst size" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc qdisc del dev $swp1 clsact + + log_test "police rate and burst limits" +} + +multi_police_test() +{ + RET=0 + + # It is forbidden in mlxsw driver to have multiple police + # actions in a single rule. + + tc qdisc add dev $swp1 clsact + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/ok + check_err $? "Failed to add rule with single police action" + + tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower + + tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 \ + flower skip_sw \ + action police rate 100mbit burst 100k conform-exceed drop/pipe \ + action police rate 200mbit burst 200k conform-exceed drop/ok + check_fail $? "Incorrect success to add rule with two police actions" + + tc qdisc del dev $swp1 clsact + + log_test "multi police" +} + +setup_prepare() +{ + swp1=${NETIFS[p1]} + swp2=${NETIFS[p2]} + + vrf_prepare + + switch_create +} + +cleanup() +{ + pre_cleanup + + switch_destroy + + vrf_cleanup +} + +check_tc_shblock_support + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS |