From 2766a11161cc6995421bc5730eb4819231f40cfb Mon Sep 17 00:00:00 2001 From: Shannon Nelson Date: Tue, 26 Jun 2018 10:07:55 -0700 Subject: [PATCH] selftests: rtnetlink: add ipsec offload API test Using the netdevsim as a device for testing, try out the XFRM commands for setting up IPsec hardware offloads. Signed-off-by: Shannon Nelson Signed-off-by: David S. Miller --- tools/testing/selftests/net/rtnetlink.sh | 114 +++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh index d92905f18c7c..08c341b49760 100755 --- a/tools/testing/selftests/net/rtnetlink.sh +++ b/tools/testing/selftests/net/rtnetlink.sh @@ -611,6 +611,119 @@ kci_test_ipsec() echo "PASS: ipsec" } +#------------------------------------------------------------------- +# Example commands +# ip x s add proto esp src 14.0.0.52 dst 14.0.0.70 \ +# spi 0x07 mode transport reqid 0x07 replay-window 32 \ +# aead 'rfc4106(gcm(aes))' 1234567890123456dcba 128 \ +# sel src 14.0.0.52/24 dst 14.0.0.70/24 +# offload dev sim1 dir out +# ip x p add dir out src 14.0.0.52/24 dst 14.0.0.70/24 \ +# tmpl proto esp src 14.0.0.52 dst 14.0.0.70 \ +# spi 0x07 mode transport reqid 0x07 +# +#------------------------------------------------------------------- +kci_test_ipsec_offload() +{ + ret=0 + algo="aead rfc4106(gcm(aes)) 0x3132333435363738393031323334353664636261 128" + srcip=192.168.123.3 + dstip=192.168.123.4 + dev=simx1 + sysfsd=/sys/kernel/debug/netdevsim/$dev + sysfsf=$sysfsd/ipsec + + # setup netdevsim since dummydev doesn't have offload support + modprobe netdevsim + check_err $? + if [ $ret -ne 0 ]; then + echo "FAIL: ipsec_offload can't load netdevsim" + return 1 + fi + + ip link add $dev type netdevsim + ip addr add $srcip dev $dev + ip link set $dev up + if [ ! -d $sysfsd ] ; then + echo "FAIL: ipsec_offload can't create device $dev" + return 1 + fi + if [ ! -f $sysfsf ] ; then + echo "FAIL: ipsec_offload netdevsim doesn't support IPsec offload" + return 1 + fi + + # flush to be sure there's nothing configured + ip x s flush ; ip x p flush + + # create offloaded SAs, both in and out + ip x p add dir out src $srcip/24 dst $dstip/24 \ + tmpl proto esp src $srcip dst $dstip spi 9 \ + mode transport reqid 42 + check_err $? + ip x p add dir out src $dstip/24 dst $srcip/24 \ + tmpl proto esp src $dstip dst $srcip spi 9 \ + mode transport reqid 42 + check_err $? + + ip x s add proto esp src $srcip dst $dstip spi 9 \ + mode transport reqid 42 $algo sel src $srcip/24 dst $dstip/24 \ + offload dev $dev dir out + check_err $? + ip x s add proto esp src $dstip dst $srcip spi 9 \ + mode transport reqid 42 $algo sel src $dstip/24 dst $srcip/24 \ + offload dev $dev dir in + check_err $? + if [ $ret -ne 0 ]; then + echo "FAIL: ipsec_offload can't create SA" + return 1 + fi + + # does offload show up in ip output + lines=`ip x s list | grep -c "crypto offload parameters: dev $dev dir"` + if [ $lines -ne 2 ] ; then + echo "FAIL: ipsec_offload SA offload missing from list output" + check_err 1 + fi + + # use ping to exercise the Tx path + ping -I $dev -c 3 -W 1 -i 0 $dstip >/dev/null + + # does driver have correct offload info + diff $sysfsf - << EOF +SA count=2 tx=3 +sa[0] tx ipaddr=0x00000000 00000000 00000000 00000000 +sa[0] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1 +sa[0] key=0x34333231 38373635 32313039 36353433 +sa[1] rx ipaddr=0x00000000 00000000 00000000 037ba8c0 +sa[1] spi=0x00000009 proto=0x32 salt=0x61626364 crypt=1 +sa[1] key=0x34333231 38373635 32313039 36353433 +EOF + if [ $? -ne 0 ] ; then + echo "FAIL: ipsec_offload incorrect driver data" + check_err 1 + fi + + # does offload get removed from driver + ip x s flush + ip x p flush + lines=`grep -c "SA count=0" $sysfsf` + if [ $lines -ne 1 ] ; then + echo "FAIL: ipsec_offload SA not removed from driver" + check_err 1 + fi + + # clean up any leftovers + ip link del $dev + rmmod netdevsim + + if [ $ret -ne 0 ]; then + echo "FAIL: ipsec_offload" + return 1 + fi + echo "PASS: ipsec_offload" +} + kci_test_gretap() { testns="testns" @@ -865,6 +978,7 @@ kci_test_rtnl() kci_test_encap kci_test_macsec kci_test_ipsec + kci_test_ipsec_offload kci_del_dummy } -- 2.11.0