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[2003:c1:c712:2500:ba85:84ff:febf:2b17]) by smtp.gmail.com with ESMTPSA id d14-20020adfa40e000000b0029d9ed7e707sm638322wra.44.2023.01.02.07.24.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Jan 2023 07:24:38 -0800 (PST) Sender: Zahari Doychev From: Zahari Doychev To: netdev@vger.kernel.org Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, hmehrtens@maxlinear.com, Zahari Doychev Subject: [RFC PATCH 2/2] selftests: net: add tc flower cfm test Date: Mon, 2 Jan 2023 16:24:24 +0100 Message-Id: <20230102152424.889155-2-zahari.doychev@linux.com> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230102152424.889155-1-zahari.doychev@linux.com> References: <20230102152424.889155-1-zahari.doychev@linux.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org X-Patchwork-State: RFC From: Zahari Doychev New cfm flower test case is added to the net forwarding selfttests. Signed-off-by: Zahari Doychev --- .../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