From 3b5222e2ac57982586d1bb33167e381a8167afe6 Mon Sep 17 00:00:00 2001 From: Sabrina Dubroca Date: Thu, 13 Jul 2023 15:20:24 +0200 Subject: [PATCH] selftests: rtnetlink: add MACsec offload tests Like the IPsec offload test, this requires netdevsim. Signed-off-by: Sabrina Dubroca Signed-off-by: David S. Miller --- tools/testing/selftests/net/rtnetlink.sh | 83 ++++++++++++++++++++++++++++++++ 1 file changed, 83 insertions(+) diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index ba286d6..488f496 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -21,6 +21,7 @@ ALL_TESTS=" kci_test_vrf kci_test_encap kci_test_macsec + kci_test_macsec_offload kci_test_ipsec kci_test_ipsec_offload kci_test_fdb_get @@ -643,6 +644,88 @@ kci_test_macsec() echo "PASS: macsec" } +kci_test_macsec_offload() +{ + sysfsd=/sys/kernel/debug/netdevsim/netdevsim0/ports/0/ + sysfsnet=/sys/bus/netdevsim/devices/netdevsim0/net/ + probed=false + local ret=0 + + ip macsec help 2>&1 | grep -q "^Usage: ip macsec" + if [ $? -ne 0 ]; then + echo "SKIP: macsec: iproute2 too old" + return $ksft_skip + fi + + # setup netdevsim since dummydev doesn't have offload support + if [ ! -w /sys/bus/netdevsim/new_device ] ; then + modprobe -q netdevsim + check_err $? + if [ $ret -ne 0 ]; then + echo "SKIP: macsec_offload can't load netdevsim" + return $ksft_skip + fi + probed=true + fi + + echo "0" > /sys/bus/netdevsim/new_device + while [ ! -d $sysfsnet ] ; do :; done + udevadm settle + dev=`ls $sysfsnet` + + ip link set $dev up + if [ ! -d $sysfsd ] ; then + echo "FAIL: macsec_offload can't create device $dev" + return 1 + fi + + ethtool -k $dev | grep -q 'macsec-hw-offload: on' + if [ $? -eq 1 ] ; then + echo "FAIL: macsec_offload netdevsim doesn't support MACsec offload" + return 1 + fi + + ip link add link $dev kci_macsec1 type macsec port 4 offload mac + check_err $? + + ip link add link $dev kci_macsec2 type macsec address "aa:bb:cc:dd:ee:ff" port 5 offload mac + check_err $? + + ip link add link $dev kci_macsec3 type macsec sci abbacdde01020304 offload mac + check_err $? + + ip link add link $dev kci_macsec4 type macsec port 8 offload mac 2> /dev/null + check_fail $? + + msname=kci_macsec1 + + ip macsec add "$msname" tx sa 0 pn 1024 on key 01 12345678901234567890123456789012 + check_err $? + + ip macsec add "$msname" rx port 1234 address "1c:ed:de:ad:be:ef" + check_err $? + + ip macsec add "$msname" rx port 1234 address "1c:ed:de:ad:be:ef" sa 0 pn 1 on \ + key 00 0123456789abcdef0123456789abcdef + check_err $? + + ip macsec add "$msname" rx port 1235 address "1c:ed:de:ad:be:ef" 2> /dev/null + check_fail $? + + # clean up any leftovers + for msdev in kci_macsec{1,2,3,4} ; do + ip link del $msdev 2> /dev/null + done + echo 0 > /sys/bus/netdevsim/del_device + $probed && rmmod netdevsim + + if [ $ret -ne 0 ]; then + echo "FAIL: macsec_offload" + return 1 + fi + echo "PASS: macsec_offload" +} + #------------------------------------------------------------------- # Example commands # ip x s add proto esp src 14.0.0.52 dst 14.0.0.70 \ -- 2.7.4