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Miller" , Jakub Kicinski , Rob Herring , Alexandre Torgue , Giuseppe Cavallaro , Jose Abreu , netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v1 net] dt-bindings: net: dwmac: fix queue priority documentation Date: Mon, 11 Jan 2021 09:14:07 +0100 Message-Id: <20210111081406.1348622-1-sebastien.laveze@oss.nxp.com> X-Mailer: git-send-email 2.25.1 X-Originating-IP: [84.102.252.120] X-ClientProxiedBy: AM4PR0101CA0053.eurprd01.prod.exchangelabs.com (2603:10a6:200:41::21) To VI1PR0401MB2671.eurprd04.prod.outlook.com (2603:10a6:800:55::10) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (84.102.252.120) by AM4PR0101CA0053.eurprd01.prod.exchangelabs.com (2603:10a6:200:41::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3742.6 via Frontend Transport; Mon, 11 Jan 2021 08:14:51 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: c6127dd4-4e46-4e38-7be3-08d8b608f91b X-MS-TrafficTypeDiagnostic: VE1PR04MB7405: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: eUlXojqUxOjz71vhMLY00vzZALocA2w4sS91N0ykThvmeqm6uvL40KLAIJk2INWvvnKJjiOAbqjClOQJHXwlcGPa3vyhRlUdEEd/GtReZUOL+fXcngPiQ/vxU+5L1ptiOwcZYh86wJSgugABw4KaUns8A64eBYz8RX6by+fB1+ysTaV5Bu66aHtawAsSHKDigI+PjfW4oaByZBupQMWqHUfshZntSsCkMCxXzMN8ZQ8Fpo9oYOh+0I5Swk65eOUnQgjhlj4mLN2zC254VE1lWBRNIZ8CsTc7xHcnh3EIWHjk00Tb3/Z533gc0NMdLcRBj4iUvf75xBA0xgOgv2a6bPKHjIxGclnKOrtDfmsz0bsbCIi1PNrM+g8sBwx82oYWtnBYxFDIPWCbL6DYicGwKey+8a/zGA+Sp7nGRNaFmkqGy5nY1o8ZXSoTMmbkb75Zy4avVPzeNip3MEOC5wB2qQ== X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:VI1PR0401MB2671.eurprd04.prod.outlook.com; PTR:; CAT:NONE; SFS:(4636009)(396003)(376002)(39860400002)(136003)(346002)(366004)(1076003)(2906002)(83380400001)(186003)(8676002)(6486002)(956004)(110136005)(316002)(6512007)(478600001)(52116002)(8936002)(2616005)(5660300002)(6666004)(69590400011)(86362001)(16526019)(44832011)(66946007)(26005)(66476007)(6506007)(66556008); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: 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 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-AuthSource: VI1PR0401MB2671.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Jan 2021 08:14:52.7287 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-Network-Message-Id: c6127dd4-4e46-4e38-7be3-08d8b608f91b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: xZHj9DB/ewBSQR3Nfe2dBMF61WnPir3DKDjE+iTVuYmlhn7/aPvSRm7dRK+JslOBdmgBrsjzZ1boyd/P8fOubtV2Dri5GFce2Zsh4zGMmwM= X-MS-Exchange-Transport-CrossTenantHeadersStamped: VE1PR04MB7405 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Seb Laveze The priority field is not the queue priority (queue priority is fixed) but a bitmask of priorities assigned to this queue. In receive, priorities relate to tagged frames priorities. In transmit, priorities relate to PFC frames. Signed-off-by: Seb Laveze --- Documentation/devicetree/bindings/net/snps,dwmac.yaml | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/net/snps,dwmac.yaml b/Documentation/devicetree/bindings/net/snps,dwmac.yaml index b2f6083f556a..dfbf5fe4547a 100644 --- a/Documentation/devicetree/bindings/net/snps,dwmac.yaml +++ b/Documentation/devicetree/bindings/net/snps,dwmac.yaml @@ -161,7 +161,8 @@ properties: * snps,route-dcbcp, DCB Control Packets * snps,route-up, Untagged Packets * snps,route-multi-broad, Multicast & Broadcast Packets - * snps,priority, RX queue priority (Range 0x0 to 0xF) + * snps,priority, bitmask of the tagged frames priorities assigned to + the queue snps,mtl-tx-config: $ref: /schemas/types.yaml#/definitions/phandle @@ -188,7 +189,10 @@ properties: * snps,idle_slope, unlock on WoL * snps,high_credit, max write outstanding req. limit * snps,low_credit, max read outstanding req. limit - * snps,priority, TX queue priority (Range 0x0 to 0xF) + * snps,priority, bitmask of the priorities assigned to the queue. + When a PFC frame is received with priorities matching the bitmask, + the queue is blocked from transmitting for the pause time specified + in the PFC frame. snps,reset-gpio: deprecated: true