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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , CC: Ido Schimmel , Shuah Khan , , Petr Machata , , Danielle Ratson Subject: [PATCH net-next 07/10] selftests: mlxsw: ethtool_lanes: Wait for lanes parameter dump explicitly Date: Fri, 12 Apr 2024 19:03:10 +0200 Message-ID: X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: rnnvmail203.nvidia.com (10.129.68.9) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1PEPF000044FC:EE_|PH7PR12MB8108:EE_ X-MS-Office365-Filtering-Correlation-Id: 5333ecef-7362-4ced-d2db-08dc5b12e6ba X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.117.161;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc6edge2.nvidia.com;CAT:NONE;SFS:(13230031)(36860700004)(376005)(82310400014)(1800799015);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Apr 2024 17:06:31.6747 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5333ecef-7362-4ced-d2db-08dc5b12e6ba 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: CO1PEPF000044FC.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH7PR12MB8108 From: Danielle Ratson The ethtool dump includes the lanes parameter only when the port is up. Therefore, the ethtool_lanes.sh test waits for ports to come before testing the lanes parameter. In some cases, the test considers the port as up, but the lanes parameter is not yet dumped although assumed to be, resulting in ethtool_lanes.sh test failure. To avoid that, ensure that the lanes parameter is indeed dumped by waiting for it explicitly, before preforming the test cases. Signed-off-by: Danielle Ratson Reviewed-by: Petr Machata Signed-off-by: Petr Machata --- .../selftests/drivers/net/mlxsw/ethtool_lanes.sh | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh b/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh index 91891b9418d7..877cd6df94a1 100755 --- a/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh +++ b/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh @@ -24,8 +24,8 @@ setup_prepare() busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 check_err $? "ports did not come up" - local lanes_exist=$(ethtool $swp1 | grep 'Lanes:') - if [[ -z $lanes_exist ]]; then + busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:" + if [[ $? -ne 0 ]]; then log_test "SKIP: driver does not support lanes setting" exit 1 fi @@ -122,8 +122,9 @@ autoneg() ethtool_set $swp1 speed $max_speed lanes $lanes ip link set dev $swp1 up ip link set dev $swp2 up - busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 - check_err $? "ports did not come up" + + busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:" + check_err $? "Lanes parameter is not presented on time" check_lanes $swp1 $lanes $max_speed log_test "$lanes lanes is autonegotiated" @@ -160,8 +161,9 @@ autoneg_force_mode() ethtool_set $swp2 speed $max_speed lanes $lanes autoneg off ip link set dev $swp1 up ip link set dev $swp2 up - busywait "$TIMEOUT" wait_for_port_up ethtool $swp2 - check_err $? "ports did not come up" + + busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:" + check_err $? "Lanes parameter is not presented on time" check_lanes $swp1 $lanes $max_speed log_test "Autoneg off, $lanes lanes detected during force mode"