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Message-Id: <20230102152424.889155-2-zahari.doychev@linux.com>
Date: Mon, 2 Jan 2023 16:24:24 +0100
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,
Zahari Doychev <zdoychev@...linear.com>
Subject: [RFC PATCH 2/2] 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.
Signed-off-by: Zahari Doychev <zdoychev@...linear.com>
---
.../selftests/net/forwarding/tc_flower_cfm.sh | 168 ++++++++++++++++++
1 file changed, 168 insertions(+)
create mode 100755 tools/testing/selftests/net/forwarding/tc_flower_cfm.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..c536a3bba8e7
--- /dev/null
+++ b/tools/testing/selftests/net/forwarding/tc_flower_cfm.sh
@@ -0,0 +1,168 @@
+#!/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
+
+tcflags="skip_hw"
+
+h1_create()
+{
+ simple_if_init $h1 192.0.2.1/24 198.51.100.1/24
+}
+
+h1_destroy()
+{
+ simple_if_fini $h1 192.0.2.1/24 198.51.100.1/24
+}
+
+h2_create()
+{
+ simple_if_init $h2 192.0.2.2/24 198.51.100.2/24
+ tc qdisc add dev $h2 clsact
+}
+
+h2_destroy()
+{
+ tc qdisc del dev $h2 clsact
+ simple_if_fini $h2 192.0.2.2/24 198.51.100.2/24
+}
+
+cfm_mdl_opcode()
+{
+ local mdl=$1
+ local op=$2
+ local flags=$3
+ local tlv_offset=$4
+
+ printf "%02x %02x %02x %02x" \
+ $((mdl << 5)) \
+ $((op & 0xff)) \
+ $((flags & 0xff)) \
+ $tlv_offset
+}
+
+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 $h2 ingress protocol cfm pref 2 handle 102 \
+ flower cfm op 43 action drop
+
+ pkt="$ethtype $(cfm_mdl_opcode 7 47 0 4)"
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
+ pkt="$ethtype $(cfm_mdl_opcode 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"
+
+ tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
+ tc filter del dev $h2 ingress protocol cfm pref 2 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 $h2 ingress protocol cfm pref 2 handle 102 \
+ flower cfm mdl 3 action drop
+
+ pkt="$ethtype $(cfm_mdl_opcode 5 42 0 4)"
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
+ pkt="$ethtype $(cfm_mdl_opcode 6 1 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 level"
+
+ tc_check_packets "dev $h2 ingress" 102 0
+ 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 2 handle 102 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 $h2 ingress protocol cfm pref 2 handle 102 \
+ flower cfm mdl 7 op 42 action drop
+
+ pkt="$ethtype $(cfm_mdl_opcode 5 41 0 4)"
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
+ pkt="$ethtype $(cfm_mdl_opcode 7 3 0 4)"
+ $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
+ pkt="$ethtype $(cfm_mdl_opcode 3 42 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 level and opcode"
+ tc_check_packets "dev $h2 ingress" 102 0
+ check_err $? "Matched on the wrong level and opcode"
+
+ tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
+ tc filter del dev $h2 ingress protocol cfm pref 2 handle 102 flower
+
+ log_test "CFM opcode and level match test"
+}
+
+setup_prepare()
+{
+ h1=${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
+
+tc_offload_check
+if [[ $? -ne 0 ]]; then
+ log_info "Could not test offloaded functionality"
+else
+ tcflags="skip_sw"
+ tests_run
+fi
+
+exit $EXIT_STATUS
--
2.39.0
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