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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , CC: Ido Schimmel , Shuah Khan , , Petr Machata , , Vladimir Oltean , "Tobias Waldekranz" Subject: [PATCH net-next 04/10] selftests: drivers: hw: Fix ethtool_rmon Date: Fri, 12 Apr 2024 19:03:07 +0200 Message-ID: <837240b7d73895731a3e66a2affd9f0aac74cc10.1712940759.git.petrm@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: netdev@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: CO1PEPF000044FD:EE_|IA0PR12MB8421:EE_ X-MS-Office365-Filtering-Correlation-Id: ee1a1552-9a89-4384-6a5e-08dc5b12e142 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)(1800799015)(376005)(82310400014);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Apr 2024 17:06:22.4970 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: ee1a1552-9a89-4384-6a5e-08dc5b12e142 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: CO1PEPF000044FD.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR12MB8421 X-Patchwork-Delegate: kuba@kernel.org When rx-pktsNtoM reports a range that involves very low-valued range, such as 0-64, the calculated length of the packet will be -4, because FCS is subtracted from the value. mausezahn then confuses the value for an option and bails out. As a result, the test dumps many mausezahn error messages. Instead, cap the value at 0. mausezahn will use an appropriate minimum packet length. Cc: Vladimir Oltean Cc: Tobias Waldekranz Signed-off-by: Petr Machata --- tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh b/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh index e2a1c10d3503..8f60c1685ad4 100755 --- a/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh +++ b/tools/testing/selftests/drivers/net/hw/ethtool_rmon.sh @@ -44,6 +44,7 @@ bucket_test() # Mausezahn does not include FCS bytes in its length - but the # histogram counters do len=$((len - ETH_FCS_LEN)) + len=$((len > 0 ? len : 0)) before=$(ethtool --json -S $iface --groups rmon | \ jq -r ".[0].rmon[\"${set}-pktsNtoM\"][$bucket].val")