netdev - [PATCH net-next 8/8] selftests: netdevsim: add ethtool features to macsec offload tests

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Message-ID: <ba801bd0a75b02de2dddbfc77f9efceb8b3d8a2e.1730929545.git.sd@queasysnail.net>
Date: Thu,  7 Nov 2024 00:13:34 +0100
From: Sabrina Dubroca <sd@...asysnail.net>
To: netdev@...r.kernel.org
Cc: Sabrina Dubroca <sd@...asysnail.net>,
	Jakub Kicinski <kuba@...nel.org>,
	Shuah Khan <shuah@...nel.org>,
	linux-kselftest@...r.kernel.org
Subject: [PATCH net-next 8/8] selftests: netdevsim: add ethtool features to macsec offload tests

The test verifies that available features aren't changed by toggling
offload on the device. Creating a device with offload off and then
enabling it later should result in the same features as creating the
device with offload enabled directly.

Signed-off-by: Sabrina Dubroca <sd@...asysnail.net>
---
 .../drivers/net/netdevsim/macsec-offload.sh   | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/tools/testing/selftests/drivers/net/netdevsim/macsec-offload.sh b/tools/testing/selftests/drivers/net/netdevsim/macsec-offload.sh
index 1f2775846ea0..98033e6667d2 100755
--- a/tools/testing/selftests/drivers/net/netdevsim/macsec-offload.sh
+++ b/tools/testing/selftests/drivers/net/netdevsim/macsec-offload.sh
@@ -75,6 +75,39 @@ for dev in ${MACSEC_NETDEV}{,2,3} ; do
 done
 
 
+#
+# test ethtool features when toggling offload
+#
+
+ip link add link $NSIM_NETDEV $MACSEC_NETDEV type macsec offload mac
+TMP_FEATS_ON_1="$(ethtool -k $MACSEC_NETDEV)"
+
+ip link set $MACSEC_NETDEV type macsec offload off
+TMP_FEATS_OFF_1="$(ethtool -k $MACSEC_NETDEV)"
+
+ip link set $MACSEC_NETDEV type macsec offload mac
+TMP_FEATS_ON_2="$(ethtool -k $MACSEC_NETDEV)"
+
+[ "$TMP_FEATS_ON_1" = "$TMP_FEATS_ON_2" ]
+check $?
+
+ip link del $MACSEC_NETDEV
+
+ip link add link $NSIM_NETDEV $MACSEC_NETDEV type macsec
+check $?
+
+TMP_FEATS_OFF_2="$(ethtool -k $MACSEC_NETDEV)"
+[ "$TMP_FEATS_OFF_1" = "$TMP_FEATS_OFF_2" ]
+check $?
+
+ip link set $MACSEC_NETDEV type macsec offload mac
+check $?
+
+TMP_FEATS_ON_3="$(ethtool -k $MACSEC_NETDEV)"
+[ "$TMP_FEATS_ON_1" = "$TMP_FEATS_ON_3" ]
+check $?
+
+
 if [ $num_errors -eq 0 ]; then
     echo "PASSED all $((num_passes)) checks"
     exit 0
-- 
2.47.0