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Mon, 22 Jun 2026 04:30:04 -0700 From: Tariq Toukan To: Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , , Paolo Abeni CC: Alexei Lazar , Carolina Jubran , Leon Romanovsky , , , Mark Bloch , Saeed Mahameed , Tariq Toukan , Gal Pressman Subject: [PATCH net 3/3] net/mlx5e: Reject unsupported CB Shaper TSA in ETS validation Date: Mon, 22 Jun 2026 14:29:25 +0300 Message-ID: <20260622112925.624795-4-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260622112925.624795-1-tariqt@nvidia.com> References: <20260622112925.624795-1-tariqt@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-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00001CDC:EE_|MN0PR12MB5714:EE_ X-MS-Office365-Filtering-Correlation-Id: d39b87c4-585b-4743-4fdb-08ded051a5d3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|23010399003|82310400026|376014|1800799024|36860700016|11063799006|56012099006|6133799003|22082099003|18002099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:216.228.118.233;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:dc7edge2.nvidia.com;CAT:NONE;SFS:(13230040)(23010399003)(82310400026)(376014)(1800799024)(36860700016)(11063799006)(56012099006)(6133799003)(22082099003)(18002099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: N+uZukYEHiPLW/jVWS3u1XW27X45tnmo8adn3QFxM1DTxi5HA9u8kIGr5Ndti1QWP+Bn0Th7XxglLiGhLHe4YvungXH+Whd/8dXj+qNajqKcoTCLw1iuCSZHE1Tyeonz1OWE0n0zi9iOy/7qZ/wS9w4zw3jcgyhhFe4lng7jMVkVM9wBq4TGu41FY4+dBAVcMZuRULzy8gcwjDZYQNR3FTMHwyEOOUYZb3wDn1lNLbWu8eQkNEm8Q/2OEcMqIKYIEHfii+Di1aEgDKqI3o/FlkHgQqflkhFUvac46K/0pn29ooduzk4FsBy+yCx+m/W9lRYEkgDl2l2qmeS/zneiq18NRx+qePc7q4Adk7mBc8P9ueX9b9mbE8xOti7Ceniw09yTq8JMFEhGqwoah9JLg0bx8VIKOk3Cn/szmWhy8P1l+nPuBchzUOz9Us/+UpUn X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Jun 2026 11:30:22.5954 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d39b87c4-585b-4743-4fdb-08ded051a5d3 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.118.233];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00001CDC.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5714 From: Alexei Lazar Credit Based (CB) TSA is not supported by the mlx5 driver, so reject any configurations that specify it. Fixes: 08fb1dacdd76 ("net/mlx5e: Support DCBNL IEEE ETS") Signed-off-by: Alexei Lazar Reviewed-by: Carolina Jubran Signed-off-by: Tariq Toukan --- drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index e4161603cdc0..602b982b1bbf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -326,6 +326,12 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev, /* Validate Non ETS BW */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { + if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_CB_SHAPER) { + netdev_err(netdev, + "Failed to validate ETS: CB Shaper is not supported\n"); + return -EOPNOTSUPP; + } + if (ets->tc_tsa[i] != IEEE_8021QAZ_TSA_ETS && ets->tc_tx_bw[i]) { netdev_err(netdev, -- 2.44.0