netdev - [PATCH net-next 5/6] selftests: fib_rule_tests: Add DSCP selector match tests

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Message-ID: <20240911093748.3662015-6-idosch@nvidia.com>
Date: Wed, 11 Sep 2024 12:37:47 +0300
From: Ido Schimmel <idosch@...dia.com>
To: <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <kuba@...nel.org>, <pabeni@...hat.com>,
	<edumazet@...gle.com>, <dsahern@...nel.org>, <gnault@...hat.com>, "Ido
 Schimmel" <idosch@...dia.com>
Subject: [PATCH net-next 5/6] selftests: fib_rule_tests: Add DSCP selector match tests

Add tests for the new FIB rule DSCP selector. Test with both IPv4 and
IPv6 and with both input and output routes.

Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 tools/testing/selftests/net/fib_rule_tests.sh | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tools/testing/selftests/net/fib_rule_tests.sh b/tools/testing/selftests/net/fib_rule_tests.sh
index 53c5c1ad437e..21d11d23fab7 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -274,6 +274,23 @@ fib_rule6_test()
 			"$getnomatch" "ipproto ipv6-icmp match" \
 			"ipproto ipv6-tcp no match"
 	fi
+
+	fib_check_iproute_support "dscp" "tos"
+	if [ $? -eq 0 ]; then
+		match="dscp 0x3f"
+		getmatch="tos 0xfc"
+		getnomatch="tos 0xf4"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "dscp redirect to table" \
+			"dscp no redirect to table"
+
+		match="dscp 0x3f"
+		getmatch="from $SRC_IP6 iif $DEV tos 0xfc"
+		getnomatch="from $SRC_IP6 iif $DEV tos 0xf4"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif dscp redirect to table" \
+			"iif dscp no redirect to table"
+	fi
 }
 
 fib_rule6_vrf_test()
@@ -468,6 +485,23 @@ fib_rule4_test()
 			"$getnomatch" "ipproto icmp match" \
 			"ipproto tcp no match"
 	fi
+
+	fib_check_iproute_support "dscp" "tos"
+	if [ $? -eq 0 ]; then
+		match="dscp 0x3f"
+		getmatch="tos 0xfc"
+		getnomatch="tos 0xf4"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "dscp redirect to table" \
+			"dscp no redirect to table"
+
+		match="dscp 0x3f"
+		getmatch="from $SRC_IP iif $DEV tos 0xfc"
+		getnomatch="from $SRC_IP iif $DEV tos 0xf4"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif dscp redirect to table" \
+			"iif dscp no redirect to table"
+	fi
 }
 
 fib_rule4_vrf_test()
-- 
2.46.0