| #!/bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| |
| ALL_TESTS="gact_drop_and_ok_test mirred_egress_redirect_test \ |
| mirred_egress_mirror_test matchall_mirred_egress_mirror_test \ |
| gact_trap_test mirred_egress_to_ingress_test \ |
| mirred_egress_to_ingress_tcp_test" |
| NUM_NETIFS=4 |
| source tc_common.sh |
| source lib.sh |
| |
| require_command ncat |
| |
| tcflags="skip_hw" |
| |
| h1_create() |
| { |
| simple_if_init $h1 192.0.2.1/24 |
| tc qdisc add dev $h1 clsact |
| } |
| |
| h1_destroy() |
| { |
| tc qdisc del dev $h1 clsact |
| simple_if_fini $h1 192.0.2.1/24 |
| } |
| |
| h2_create() |
| { |
| simple_if_init $h2 192.0.2.2/24 |
| tc qdisc add dev $h2 clsact |
| } |
| |
| h2_destroy() |
| { |
| tc qdisc del dev $h2 clsact |
| simple_if_fini $h2 192.0.2.2/24 |
| } |
| |
| switch_create() |
| { |
| simple_if_init $swp1 192.0.2.2/24 |
| tc qdisc add dev $swp1 clsact |
| |
| simple_if_init $swp2 192.0.2.1/24 |
| } |
| |
| switch_destroy() |
| { |
| simple_if_fini $swp2 192.0.2.1/24 |
| |
| tc qdisc del dev $swp1 clsact |
| simple_if_fini $swp1 192.0.2.2/24 |
| } |
| |
| mirred_egress_test() |
| { |
| local action=$1 |
| local protocol=$2 |
| local classifier=$3 |
| local classifier_args=$4 |
| |
| RET=0 |
| |
| tc filter add dev $h2 ingress protocol ip pref 1 handle 101 flower \ |
| dst_ip 192.0.2.2 action drop |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $h2 ingress" 101 1 |
| check_fail $? "Matched without redirect rule inserted" |
| |
| tc filter add dev $swp1 ingress protocol $protocol pref 1 handle 101 \ |
| $classifier $tcflags $classifier_args \ |
| action mirred egress $action dev $swp2 |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $h2 ingress" 101 1 |
| check_err $? "Did not match incoming $action packet" |
| |
| tc filter del dev $swp1 ingress protocol $protocol pref 1 handle 101 \ |
| $classifier |
| tc filter del dev $h2 ingress protocol ip pref 1 handle 101 flower |
| |
| log_test "mirred egress $classifier $action ($tcflags)" |
| } |
| |
| gact_drop_and_ok_test() |
| { |
| RET=0 |
| |
| tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \ |
| $tcflags dst_ip 192.0.2.2 action drop |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $swp1 ingress" 102 1 |
| check_err $? "Packet was not dropped" |
| |
| tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ |
| $tcflags dst_ip 192.0.2.2 action ok |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $swp1 ingress" 101 1 |
| check_err $? "Did not see passed packet" |
| |
| tc_check_packets "dev $swp1 ingress" 102 2 |
| check_fail $? "Packet was dropped and it should not reach here" |
| |
| tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower |
| tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower |
| |
| log_test "gact drop and ok ($tcflags)" |
| } |
| |
| gact_trap_test() |
| { |
| RET=0 |
| |
| if [[ "$tcflags" != "skip_sw" ]]; then |
| return 0; |
| fi |
| |
| tc filter add dev $swp1 ingress protocol ip pref 1 handle 101 flower \ |
| skip_hw dst_ip 192.0.2.2 action drop |
| tc filter add dev $swp1 ingress protocol ip pref 3 handle 103 flower \ |
| $tcflags dst_ip 192.0.2.2 action mirred egress redirect \ |
| dev $swp2 |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $swp1 ingress" 101 1 |
| check_fail $? "Saw packet without trap rule inserted" |
| |
| tc filter add dev $swp1 ingress protocol ip pref 2 handle 102 flower \ |
| $tcflags dst_ip 192.0.2.2 action trap |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t ip -q |
| |
| tc_check_packets "dev $swp1 ingress" 102 1 |
| check_err $? "Packet was not trapped" |
| |
| tc_check_packets "dev $swp1 ingress" 101 1 |
| check_err $? "Did not see trapped packet" |
| |
| tc filter del dev $swp1 ingress protocol ip pref 3 handle 103 flower |
| tc filter del dev $swp1 ingress protocol ip pref 2 handle 102 flower |
| tc filter del dev $swp1 ingress protocol ip pref 1 handle 101 flower |
| |
| log_test "trap ($tcflags)" |
| } |
| |
| mirred_egress_to_ingress_test() |
| { |
| RET=0 |
| |
| tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \ |
| ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action \ |
| ct commit nat src addr 192.0.2.2 pipe \ |
| ct clear pipe \ |
| ct commit nat dst addr 192.0.2.1 pipe \ |
| mirred ingress redirect dev $h1 |
| |
| tc filter add dev $swp1 protocol ip pref 11 handle 111 ingress flower \ |
| ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 8 action drop |
| tc filter add dev $swp1 protocol ip pref 12 handle 112 ingress flower \ |
| ip_proto icmp src_ip 192.0.2.1 dst_ip 192.0.2.2 type 0 action pass |
| |
| $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac -A 192.0.2.1 -B 192.0.2.2 \ |
| -t icmp "ping,id=42,seq=10" -q |
| |
| tc_check_packets "dev $h1 egress" 100 1 |
| check_err $? "didn't mirror first packet" |
| |
| tc_check_packets "dev $swp1 ingress" 111 1 |
| check_fail $? "didn't redirect first packet" |
| tc_check_packets "dev $swp1 ingress" 112 1 |
| check_err $? "didn't receive reply to first packet" |
| |
| ping 192.0.2.2 -I$h1 -c1 -w1 -q 1>/dev/null 2>&1 |
| |
| tc_check_packets "dev $h1 egress" 100 2 |
| check_err $? "didn't mirror second packet" |
| tc_check_packets "dev $swp1 ingress" 111 1 |
| check_fail $? "didn't redirect second packet" |
| tc_check_packets "dev $swp1 ingress" 112 2 |
| check_err $? "didn't receive reply to second packet" |
| |
| tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower |
| tc filter del dev $swp1 ingress protocol ip pref 11 handle 111 flower |
| tc filter del dev $swp1 ingress protocol ip pref 12 handle 112 flower |
| |
| log_test "mirred_egress_to_ingress ($tcflags)" |
| } |
| |
| mirred_egress_to_ingress_tcp_test() |
| { |
| mirred_e2i_tf1=$(mktemp) mirred_e2i_tf2=$(mktemp) |
| |
| RET=0 |
| dd conv=sparse status=none if=/dev/zero bs=1M count=2 of=$mirred_e2i_tf1 |
| tc filter add dev $h1 protocol ip pref 100 handle 100 egress flower \ |
| $tcflags ip_proto tcp src_ip 192.0.2.1 dst_ip 192.0.2.2 \ |
| action ct commit nat src addr 192.0.2.2 pipe \ |
| action ct clear pipe \ |
| action ct commit nat dst addr 192.0.2.1 pipe \ |
| action ct clear pipe \ |
| action skbedit ptype host pipe \ |
| action mirred ingress redirect dev $h1 |
| tc filter add dev $h1 protocol ip pref 101 handle 101 egress flower \ |
| $tcflags ip_proto icmp \ |
| action mirred ingress redirect dev $h1 |
| tc filter add dev $h1 protocol ip pref 102 handle 102 ingress flower \ |
| ip_proto icmp \ |
| action drop |
| |
| ip vrf exec v$h1 ncat --recv-only -w10 -l -p 12345 -o $mirred_e2i_tf2 & |
| local rpid=$! |
| ip vrf exec v$h1 ncat -w1 --send-only 192.0.2.2 12345 <$mirred_e2i_tf1 |
| wait -n $rpid |
| cmp -s $mirred_e2i_tf1 $mirred_e2i_tf2 |
| check_err $? "server output check failed" |
| |
| $MZ $h1 -c 10 -p 64 -a $h1mac -b $h1mac -A 192.0.2.1 -B 192.0.2.1 \ |
| -t icmp "ping,id=42,seq=5" -q |
| tc_check_packets "dev $h1 egress" 101 10 |
| check_err $? "didn't mirred redirect ICMP" |
| tc_check_packets "dev $h1 ingress" 102 10 |
| check_err $? "didn't drop mirred ICMP" |
| |
| tc filter del dev $h1 egress protocol ip pref 100 handle 100 flower |
| tc filter del dev $h1 egress protocol ip pref 101 handle 101 flower |
| tc filter del dev $h1 ingress protocol ip pref 102 handle 102 flower |
| |
| rm -f $mirred_e2i_tf1 $mirred_e2i_tf2 |
| log_test "mirred_egress_to_ingress_tcp ($tcflags)" |
| } |
| |
| setup_prepare() |
| { |
| h1=${NETIFS[p1]} |
| swp1=${NETIFS[p2]} |
| |
| swp2=${NETIFS[p3]} |
| h2=${NETIFS[p4]} |
| |
| h1mac=$(mac_get $h1) |
| h2mac=$(mac_get $h2) |
| |
| swp1origmac=$(mac_get $swp1) |
| swp2origmac=$(mac_get $swp2) |
| ip link set $swp1 address $h2mac |
| ip link set $swp2 address $h1mac |
| |
| vrf_prepare |
| |
| h1_create |
| h2_create |
| switch_create |
| } |
| |
| cleanup() |
| { |
| local tf |
| |
| pre_cleanup |
| |
| switch_destroy |
| h2_destroy |
| h1_destroy |
| |
| vrf_cleanup |
| |
| ip link set $swp2 address $swp2origmac |
| ip link set $swp1 address $swp1origmac |
| |
| for tf in $mirred_e2i_tf1 $mirred_e2i_tf2; do rm -f $tf; done |
| } |
| |
| mirred_egress_redirect_test() |
| { |
| mirred_egress_test "redirect" "ip" "flower" "dst_ip 192.0.2.2" |
| } |
| |
| mirred_egress_mirror_test() |
| { |
| mirred_egress_test "mirror" "ip" "flower" "dst_ip 192.0.2.2" |
| } |
| |
| matchall_mirred_egress_mirror_test() |
| { |
| mirred_egress_test "mirror" "all" "matchall" "" |
| } |
| |
| trap cleanup EXIT |
| |
| setup_prepare |
| setup_wait |
| |
| tests_run |
| |
| tc_offload_check |
| if [[ $? -ne 0 ]]; then |
| log_info "Could not test offloaded functionality" |
| else |
| tcflags="skip_sw" |
| tests_run |
| fi |
| |
| exit $EXIT_STATUS |
