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Date: Sun, 4 Jun 2023 13:58:25 +0200
From: Zahari Doychev <zahari.doychev@...ux.com>
To: netdev@...r.kernel.org
Cc: jhs@...atatu.com,
xiyou.wangcong@...il.com,
jiri@...nulli.us,
davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
hmehrtens@...linear.com,
aleksander.lobakin@...el.com,
simon.horman@...igine.com,
idosch@...sch.org,
Zahari Doychev <zdoychev@...linear.com>
Subject: [PATCH net-next v5 3/3] selftests: net: add tc flower cfm test
From: Zahari Doychev <zdoychev@...linear.com>
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 <zdoychev@...linear.com>
---
.../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 9d0062b542e5..770efbe24f0d 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 000000000000..3ca20df952eb
--- /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
--
2.40.1
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