name : tc_restrictions.sh #!/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