Using the netdevsim as a device for testing, try out the XFRM commands
for setting up IPsec hardware offloads.
Signed-off-by: Shannon Nelson <shannon.nelson@xxxxxxxxxx>
---
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 15948cf..9e1a82e 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -608,6 +608,119 @@ 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"
@@ -862,6 +975,7 @@ kci_test_rtnl()
kci_test_encap
kci_test_macsec
kci_test_ipsec
+ kci_test_ipsec_offload
kci_del_dummy
}
--
2.7.4
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