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Fri, 17 Jul 2026 00:51:48 -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 , Pavan Chebbi , Saeed Mahameed , Tariq Toukan , Gal Pressman Subject: [PATCH net V2 2/2] net/mlx5e: Reject unsupported CB Shaper TSA in ETS validation Date: Fri, 17 Jul 2026 10:51:25 +0300 Message-ID: <20260717075125.1244877-3-tariqt@nvidia.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20260717075125.1244877-1-tariqt@nvidia.com> References: <20260717075125.1244877-1-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: BN3PEPF0000B06E:EE_|DS0PR12MB6440:EE_ X-MS-Office365-Filtering-Correlation-Id: 20744077-4bab-49fa-f700-08dee3d84911 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|23010399003|7416014|376014|82310400026|1800799024|6133799003|56012099006|11063799006|10067099003|18002099003|22082099003; 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)(36860700016)(23010399003)(7416014)(376014)(82310400026)(1800799024)(6133799003)(56012099006)(11063799006)(10067099003)(18002099003)(22082099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: NBpZEPXHm/I0d4fhgdF7EVnSR5lvW+TNw3NBCQABnAVMBKb25SZncmsFV0xAWrlpUqD4iZqz0gv6HGaTLgCLhVCC8O3KAxu8y4WwP6lVAvxPkKU2OYc19setJg9gQ3yb8mDhCQ7VA6ouCSHoGBW6u409xdREeNvXeYUMoPpvboTP5RPaN2JaCrWduI3Hu0G0ZWpHGUKgVz51hSg5E16Ka3bRUQjG1N7XZYAHE+CHx8gLxEhhJ5pRvIsccdXAz5zZ7Pf99yw8DgW9fE4BRIQK0cgvNzcPZYqRq5w0xOZ2Gn8pLuOTu5ltd/Y5o2NGZB3Q6jkxaKoWzb3d0fvDUOF9qVXsKdOYNETmDT59nZdxznyBI9UcdiX0XSSIAkdRc853ucvNBrSe1Yp8LjH5fzozGydvACCzhYM2d+yvqTk9qFFtbam3zr0cM+O7obNUhadZ X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2026 07:52:00.9589 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 20744077-4bab-49fa-f700-08dee3d84911 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: BN3PEPF0000B06E.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DS0PR12MB6440 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 Reviewed-by: Pavan Chebbi --- drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 762f0a46c120..00e706e1ede1 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -324,6 +324,14 @@ static int mlx5e_dbcnl_validate_ets(struct net_device *netdev, } } + 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; + } + } + /* Validate Bandwidth Sum */ for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++) { if (ets->tc_tsa[i] == IEEE_8021QAZ_TSA_ETS) { -- 2.44.0