From 1668a55a73f5a3ddde1019695223eed8e23b9436 Mon Sep 17 00:00:00 2001 From: Zahari Doychev Date: Thu, 8 Jun 2023 12:56:48 +0200 Subject: [PATCH] selftests: net: add tc flower cfm test New cfm flower test case is added to the net forwarding selfttests. Example output: # ./tc_flower_cfm.sh p1 p2 TEST: CFM opcode match test [ OK ] TEST: CFM level match test [ OK ] TEST: CFM opcode and level match test [ OK ] Signed-off-by: Zahari Doychev Reviewed-by: Ido Schimmel Signed-off-by: Jakub Kicinski --- tools/testing/selftests/net/forwarding/Makefile | 1 + .../selftests/net/forwarding/tc_flower_cfm.sh | 206 +++++++++++++++++++++ 2 files changed, 207 insertions(+) create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_cfm.sh diff --git a/tools/testing/selftests/net/forwarding/Makefile b/tools/testing/selftests/net/forwarding/Makefile index 9d0062b..770efbe 100644 --- a/tools/testing/selftests/net/forwarding/Makefile +++ b/tools/testing/selftests/net/forwarding/Makefile @@ -84,6 +84,7 @@ TEST_PROGS = bridge_igmp.sh \ tc_flower_router.sh \ tc_flower.sh \ tc_flower_l2_miss.sh \ + tc_flower_cfm.sh \ tc_mpls_l2vpn.sh \ tc_police.sh \ tc_shblocks.sh \ diff --git a/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh b/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh new file mode 100755 index 0000000..3ca20df --- /dev/null +++ b/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh @@ -0,0 +1,206 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +ALL_TESTS="match_cfm_opcode match_cfm_level match_cfm_level_and_opcode" +NUM_NETIFS=2 +source tc_common.sh +source lib.sh + +h1_create() +{ + simple_if_init $h1 +} + +h1_destroy() +{ + simple_if_fini $h1 +} + +h2_create() +{ + simple_if_init $h2 + tc qdisc add dev $h2 clsact +} + +h2_destroy() +{ + tc qdisc del dev $h2 clsact + simple_if_fini $h2 +} + +u8_to_hex() +{ + local u8=$1; shift + + printf "%02x" $u8 +} + +generate_cfm_hdr() +{ + local mdl=$1; shift + local op=$1; shift + local flags=$1; shift + local tlv_offset=$1; shift + + local cfm_hdr=$(: + )"$(u8_to_hex $((mdl << 5))):"$( : MD level and Version + )"$(u8_to_hex $op):"$( : OpCode + )"$(u8_to_hex $flags):"$( : Flags + )"$(u8_to_hex $tlv_offset)"$( : TLV offset + ) + + echo $cfm_hdr +} + +match_cfm_opcode() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm op 47 action drop + tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \ + flower cfm op 43 action drop + + pkt="$ethtype $(generate_cfm_hdr 7 47 0 32)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(generate_cfm_hdr 6 5 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct opcode" + + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong opcode" + + pkt="$ethtype $(generate_cfm_hdr 0 43 0 12)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Matched on the wrong opcode" + + tc_check_packets "dev $h2 ingress" 102 1 + check_err $? "Did not match on correct opcode" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower + + log_test "CFM opcode match test" +} + +match_cfm_level() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm mdl 5 action drop + tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \ + flower cfm mdl 3 action drop + tc filter add dev $h2 ingress protocol cfm pref 1 handle 103 \ + flower cfm mdl 0 action drop + + pkt="$ethtype $(generate_cfm_hdr 5 42 0 12)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(generate_cfm_hdr 6 1 0 70)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(generate_cfm_hdr 0 1 0 70)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct level" + + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong level" + + tc_check_packets "dev $h2 ingress" 103 1 + check_err $? "Did not match on correct level" + + pkt="$ethtype $(generate_cfm_hdr 3 0 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Matched on the wrong level" + + tc_check_packets "dev $h2 ingress" 102 1 + check_err $? "Did not match on correct level" + + tc_check_packets "dev $h2 ingress" 103 1 + check_err $? "Matched on the wrong level" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower + tc filter del dev $h2 ingress protocol cfm pref 1 handle 103 flower + + log_test "CFM level match test" +} + +match_cfm_level_and_opcode() +{ + local ethtype="89 02"; readonly ethtype + RET=0 + + tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \ + flower cfm mdl 5 op 41 action drop + tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \ + flower cfm mdl 7 op 42 action drop + + pkt="$ethtype $(generate_cfm_hdr 5 41 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(generate_cfm_hdr 7 3 0 4)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + pkt="$ethtype $(generate_cfm_hdr 3 42 0 12)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Did not match on correct level and opcode" + + tc_check_packets "dev $h2 ingress" 102 0 + check_err $? "Matched on the wrong level and opcode" + + pkt="$ethtype $(generate_cfm_hdr 7 42 0 12)" + $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q + + tc_check_packets "dev $h2 ingress" 101 1 + check_err $? "Matched on the wrong level and opcode" + + tc_check_packets "dev $h2 ingress" 102 1 + check_err $? "Did not match on correct level and opcode" + + tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower + tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower + + log_test "CFM opcode and level match test" +} + +setup_prepare() +{ + h1=${NETIFS[p1]} + h2=${NETIFS[p2]} + h1mac=$(mac_get $h1) + h2mac=$(mac_get $h2) + + vrf_prepare + + h1_create + h2_create +} + +cleanup() +{ + pre_cleanup + + h2_destroy + h1_destroy + + vrf_cleanup +} + +trap cleanup EXIT + +setup_prepare +setup_wait + +tests_run + +exit $EXIT_STATUS -- 2.7.4