netdev - [PATCH net 2/2] selftests: fib_rule

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Message-ID: <20250414172022.242991-3-idosch@nvidia.com>
Date: Mon, 14 Apr 2025 20:20:22 +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>, <horms@...nel.org>,
	<hanhuihui5@...wei.com>, Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net 2/2] selftests: fib_rule_tests: Add VRF match tests

Add tests for FIB rules that match on iif / oif being a VRF device. Test
both good and bad flows.

With previous patch ("net: fib_rules: Fix iif / oif matching on L3
master device"):

 # ./fib_rule_tests.sh
 [...]
 Tests passed: 328
 Tests failed:   0

Without it:

 # ./fib_rule_tests.sh
 [...]
 Tests passed: 324
 Tests failed:   4

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 b866bab1d92a..c7cea556b416 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -359,6 +359,23 @@ fib_rule6_test()
 			"$getnomatch" "iif flowlabel masked redirect to table" \
 			"iif flowlabel masked no redirect to table"
 	fi
+
+	$IP link show dev $DEV | grep -q vrf0
+	if [ $? -eq 0 ]; then
+		match="oif vrf0"
+		getmatch="oif $DEV"
+		getnomatch="oif lo"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "VRF oif redirect to table" \
+			"VRF oif no redirect to table"
+
+		match="from $SRC_IP6 iif vrf0"
+		getmatch="from $SRC_IP6 iif $DEV"
+		getnomatch="from $SRC_IP6 iif lo"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "VRF iif redirect to table" \
+			"VRF iif no redirect to table"
+	fi
 }
 
 fib_rule6_vrf_test()
@@ -635,6 +652,23 @@ fib_rule4_test()
 			"$getnomatch" "iif dscp masked redirect to table" \
 			"iif dscp masked no redirect to table"
 	fi
+
+	$IP link show dev $DEV | grep -q vrf0
+	if [ $? -eq 0 ]; then
+		match="oif vrf0"
+		getmatch="oif $DEV"
+		getnomatch="oif lo"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "VRF oif redirect to table" \
+			"VRF oif no redirect to table"
+
+		match="from $SRC_IP iif vrf0"
+		getmatch="from $SRC_IP iif $DEV"
+		getnomatch="from $SRC_IP iif lo"
+		fib_rule4_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "VRF iif redirect to table" \
+			"VRF iif no redirect to table"
+	fi
 }
 
 fib_rule4_vrf_test()
-- 
2.49.0