linux-kernel - [PATCH net v6 2/2] selftests: net: Add on/off checks for non-fixed features of interface

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Message-Id: <20240814191517.50466-3-jain.abhinav177@gmail.com>
Date: Wed, 14 Aug 2024 19:15:17 +0000
From: Abhinav Jain <jain.abhinav177@...il.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	shuah@...nel.org,
	netdev@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: skhan@...uxfoundation.org,
	javier.carrasco.cruz@...il.com,
	Abhinav Jain <jain.abhinav177@...il.com>
Subject: [PATCH net v6 2/2] selftests: net: Add on/off checks for non-fixed features of interface

Implement on/off testing for all non-fixed features via while loop.
Save the initial state so that it can be restored after on/off checks.
Use XFAIL for unsupported ethtool API.

Signed-off-by: Abhinav Jain <jain.abhinav177@...il.com>
---
 tools/testing/selftests/net/netdevice.sh | 39 ++++++++++++++++++++++--
 1 file changed, 37 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/net/netdevice.sh b/tools/testing/selftests/net/netdevice.sh
index 0c32950fdd17..1c9c7c358ee6 100755
--- a/tools/testing/selftests/net/netdevice.sh
+++ b/tools/testing/selftests/net/netdevice.sh
@@ -86,7 +86,7 @@ kci_netdev_ethtool_test()
 	ret=$?
 	if [ $ret -ne 0 ];then
 		if [ $ret -eq "$1" ];then
-			echo "SKIP: $netdev: ethtool $2 not supported"
+			echo "XFAIL: $netdev: ethtool $2 not supported"
 			return $ksft_skip
 		else
 			echo "FAIL: $netdev: ethtool $2"
@@ -124,7 +124,42 @@ kci_netdev_ethtool()
 		return 1
 	fi
 	echo "PASS: $netdev: ethtool list features"
-	#TODO for each non fixed features, try to turn them on/off
+
+	while read -r FEATURE VALUE FIXED; do
+		[ "$FEATURE" != "Features" ] || continue # Skip "Features"
+		[ "$FIXED" != "[fixed]" ] || continue # Skip fixed features
+		feature="${FEATURE%:*}"
+
+		initial_state=$(ethtool -k "$netdev" | grep "$feature:" \
+			| awk '{print $2}')
+		ethtool --offload "$netdev" "$feature" off
+		if [ $? -eq 0 ]; then
+			echo "PASS: $netdev: Turned off feature: $feature"
+		else
+			echo "FAIL: $netdev: Failed to turn off feature:" \
+				"$feature"
+		fi
+
+		ethtool --offload "$netdev" "$feature" on
+		if [ $? -eq 0 ]; then
+			echo "PASS: $netdev: Turned on feature: $feature"
+		else
+			echo "FAIL: $netdev: Failed to turn on feature:" \
+				"$feature"
+		fi
+
+		#restore the feature to its initial state
+		ethtool --offload "$netdev" "$feature" "$initial_state"
+		if [ $? -eq 0 ]; then
+			echo "PASS: $netdev: Restore feature $feature" \
+				"to initial state $initial_state"
+		else
+			echo "FAIL: $netdev: Failed to restore feature" \
+				"$feature to default $initial_state"
+		fi
+
+	done < "$TMP_ETHTOOL_FEATURES"
+
 	rm "$TMP_ETHTOOL_FEATURES"
 
 	kci_netdev_ethtool_test 74 'dump' "ethtool -d $netdev"
-- 
2.34.1