netdev - [PATCH net-next 9/9] selftests: fib_rule_tests: Add flow label selector match tests

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Message-ID: <20241216171201.274644-10-idosch@nvidia.com>
Date: Mon, 16 Dec 2024 19:12:01 +0200
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>, <donald.hunter@...il.com>,
	<horms@...nel.org>, <gnault@...hat.com>, <rostedt@...dmis.org>,
	<mhiramat@...nel.org>, <mathieu.desnoyers@...icios.com>, <petrm@...dia.com>,
	Ido Schimmel <idosch@...dia.com>
Subject: [PATCH net-next 9/9] selftests: fib_rule_tests: Add flow label selector match tests

Add tests for the new FIB rule flow label selector. Test both good and bad
flows and with both input and output routes.

 # ./fib_rule_tests.sh
 IPv6 FIB rule tests
 [...]
    TEST: rule6 check: flowlabel redirect to table                      [ OK ]
    TEST: rule6 check: flowlabel no redirect to table                   [ OK ]
    TEST: rule6 del by pref: flowlabel redirect to table                [ OK ]
    TEST: rule6 check: iif flowlabel redirect to table                  [ OK ]
    TEST: rule6 check: iif flowlabel no redirect to table               [ OK ]
    TEST: rule6 del by pref: iif flowlabel redirect to table            [ OK ]
    TEST: rule6 check: flowlabel masked redirect to table               [ OK ]
    TEST: rule6 check: flowlabel masked no redirect to table            [ OK ]
    TEST: rule6 del by pref: flowlabel masked redirect to table         [ OK ]
    TEST: rule6 check: iif flowlabel masked redirect to table           [ OK ]
    TEST: rule6 check: iif flowlabel masked no redirect to table        [ OK ]
    TEST: rule6 del by pref: iif flowlabel masked redirect to table     [ OK ]
 [...]

 Tests passed: 268
 Tests failed:   0

Reviewed-by: Petr Machata <petrm@...dia.com>
Signed-off-by: Ido Schimmel <idosch@...dia.com>
---
 tools/testing/selftests/net/fib_rule_tests.sh | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/tools/testing/selftests/net/fib_rule_tests.sh b/tools/testing/selftests/net/fib_rule_tests.sh
index 1d58b3b87465..847936363a12 100755
--- a/tools/testing/selftests/net/fib_rule_tests.sh
+++ b/tools/testing/selftests/net/fib_rule_tests.sh
@@ -291,6 +291,37 @@ fib_rule6_test()
 			"$getnomatch" "iif dscp redirect to table" \
 			"iif dscp no redirect to table"
 	fi
+
+	fib_check_iproute_support "flowlabel" "flowlabel"
+	if [ $? -eq 0 ]; then
+		match="flowlabel 0xfffff"
+		getmatch="flowlabel 0xfffff"
+		getnomatch="flowlabel 0xf"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "flowlabel redirect to table" \
+			"flowlabel no redirect to table"
+
+		match="flowlabel 0xfffff"
+		getmatch="from $SRC_IP6 iif $DEV flowlabel 0xfffff"
+		getnomatch="from $SRC_IP6 iif $DEV flowlabel 0xf"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif flowlabel redirect to table" \
+			"iif flowlabel no redirect to table"
+
+		match="flowlabel 0x08000/0x08000"
+		getmatch="flowlabel 0xfffff"
+		getnomatch="flowlabel 0xf7fff"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "flowlabel masked redirect to table" \
+			"flowlabel masked no redirect to table"
+
+		match="flowlabel 0x08000/0x08000"
+		getmatch="from $SRC_IP6 iif $DEV flowlabel 0xfffff"
+		getnomatch="from $SRC_IP6 iif $DEV flowlabel 0xf7fff"
+		fib_rule6_test_match_n_redirect "$match" "$getmatch" \
+			"$getnomatch" "iif flowlabel masked redirect to table" \
+			"iif flowlabel masked no redirect to table"
+	fi
 }
 
 fib_rule6_vrf_test()
-- 
2.47.1