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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.117.161 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.117.161; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (216.228.117.161) by SA2PEPF000015CC.mail.protection.outlook.com (10.167.241.202) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9031.11 via Frontend Transport; Tue, 12 Aug 2025 08:06:32 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by mail.nvidia.com (10.129.200.67) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Tue, 12 Aug 2025 01:06:16 -0700 Received: from shredder.mtl.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.14; Tue, 12 Aug 2025 01:06:11 -0700 From: Ido Schimmel To: , CC: , , , , , , , Ido Schimmel Subject: [PATCH net-next 2/2] selftests: net: Test bridge backup port when port is administratively down Date: Tue, 12 Aug 2025 11:02:13 +0300 Message-ID: <20250812080213.325298-3-idosch@nvidia.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812080213.325298-1-idosch@nvidia.com> References: <20250812080213.325298-1-idosch@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: rnnvmail201.nvidia.com (10.129.68.8) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA2PEPF000015CC:EE_|PH7PR12MB5734:EE_ X-MS-Office365-Filtering-Correlation-Id: adbd59f8-d48e-4002-9a1d-08ddd97726b7 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|36860700013|82310400026|1800799024; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Aug 2025 08:06:32.8871 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: adbd59f8-d48e-4002-9a1d-08ddd97726b7 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.161];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SA2PEPF000015CC.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB5734 Test that packets are redirected to the backup port when the primary port is administratively down. With the previous patch: # ./test_bridge_backup_port.sh [...] TEST: swp1 administratively down [ OK ] TEST: No forwarding out of swp1 [ OK ] TEST: Forwarding out of vx0 [ OK ] TEST: swp1 administratively up [ OK ] TEST: Forwarding out of swp1 [ OK ] TEST: No forwarding out of vx0 [ OK ] [...] Tests passed: 89 Tests failed: 0 Without the previous patch: # ./test_bridge_backup_port.sh [...] TEST: swp1 administratively down [ OK ] TEST: No forwarding out of swp1 [ OK ] TEST: Forwarding out of vx0 [FAIL] TEST: swp1 administratively up [ OK ] TEST: Forwarding out of swp1 [ OK ] [...] Tests passed: 85 Tests failed: 4 Signed-off-by: Ido Schimmel --- .../selftests/net/test_bridge_backup_port.sh | 31 ++++++++++++++++--- 1 file changed, 27 insertions(+), 4 deletions(-) diff --git a/tools/testing/selftests/net/test_bridge_backup_port.sh b/tools/testing/selftests/net/test_bridge_backup_port.sh index 1b3f89e2b86e..2a7224fe74f2 100755 --- a/tools/testing/selftests/net/test_bridge_backup_port.sh +++ b/tools/testing/selftests/net/test_bridge_backup_port.sh @@ -315,6 +315,29 @@ backup_port() tc_check_packets $sw1 "dev vx0 egress" 101 1 log_test $? 0 "No forwarding out of vx0" + # Check that packets are forwarded out of vx0 when swp1 is + # administratively down and out of swp1 when it is administratively up + # again. + run_cmd "ip -n $sw1 link set dev swp1 down" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 disabled + log_test $? 0 "swp1 administratively down" + + run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" + tc_check_packets $sw1 "dev swp1 egress" 101 3 + log_test $? 0 "No forwarding out of swp1" + tc_check_packets $sw1 "dev vx0 egress" 101 2 + log_test $? 0 "Forwarding out of vx0" + + run_cmd "ip -n $sw1 link set dev swp1 up" + busywait $BUSYWAIT_TIMEOUT bridge_link_check $sw1 swp1 forwarding + log_test $? 0 "swp1 administratively up" + + run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" + tc_check_packets $sw1 "dev swp1 egress" 101 4 + log_test $? 0 "Forwarding out of swp1" + tc_check_packets $sw1 "dev vx0 egress" 101 2 + log_test $? 0 "No forwarding out of vx0" + # Remove vx0 as the backup port of swp1 and check that packets are no # longer forwarded out of vx0 when swp1 does not have a carrier. run_cmd "bridge -n $sw1 link set dev swp1 nobackup_port" @@ -322,9 +345,9 @@ backup_port() log_test $? 1 "vx0 not configured as backup port of swp1" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" - tc_check_packets $sw1 "dev swp1 egress" 101 4 + tc_check_packets $sw1 "dev swp1 egress" 101 5 log_test $? 0 "Forwarding out of swp1" - tc_check_packets $sw1 "dev vx0 egress" 101 1 + tc_check_packets $sw1 "dev vx0 egress" 101 2 log_test $? 0 "No forwarding out of vx0" run_cmd "ip -n $sw1 link set dev swp1 carrier off" @@ -332,9 +355,9 @@ backup_port() log_test $? 0 "swp1 carrier off" run_cmd "ip netns exec $sw1 mausezahn br0.10 -a $smac -b $dmac -A 198.51.100.1 -B 198.51.100.2 -t ip -p 100 -q -c 1" - tc_check_packets $sw1 "dev swp1 egress" 101 4 + tc_check_packets $sw1 "dev swp1 egress" 101 5 log_test $? 0 "No forwarding out of swp1" - tc_check_packets $sw1 "dev vx0 egress" 101 1 + tc_check_packets $sw1 "dev vx0 egress" 101 2 log_test $? 0 "No forwarding out of vx0" } -- 2.50.1