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emacs 28.1 From: Petr Machata To: Jakub Kicinski CC: Petr Machata , , , , , , , , Subject: Re: Basic PCP/DEI-based queue classification Date: Fri, 26 Aug 2022 20:11:52 +0200 In-Reply-To: <20220824175453.0bc82031@kernel.org> Message-ID: <87leraj2fx.fsf@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.126.230.35] 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-Office365-Filtering-Correlation-Id: 89eb8ad2-5c9e-4bea-d950-08da878f0c5c X-MS-TrafficTypeDiagnostic: BN6PR12MB1508:EE_ 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:12.22.5.234;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:mail.nvidia.com;PTR:InfoNoRecords;CAT:NONE;SFS:(13230016)(4636009)(346002)(396003)(136003)(376002)(39860400002)(46966006)(36840700001)(40470700004)(316002)(82310400005)(36756003)(82740400003)(81166007)(6916009)(54906003)(36860700001)(356005)(40480700001)(47076005)(478600001)(41300700001)(8676002)(4744005)(107886003)(426003)(2906002)(6666004)(4326008)(70586007)(70206006)(2616005)(16526019)(336012)(5660300002)(8936002)(26005)(40460700003)(86362001)(186003)(36900700001);DIR:OUT;SFP:1101; X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Aug 2022 18:16:08.2581 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 89eb8ad2-5c9e-4bea-d950-08da878f0c5c X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.234];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT050.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR12MB1508 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Jakub Kicinski writes: > For an uneducated maintainer like myself, how do embedded people look > at DCB? Only place I've seen it used is in RDMA clusers. (Not an embedded person, but FWIW our use case for supporting all these prioritizations and buffer assignments in mlxsw is exactly RDMA / RoCE.)