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Fri, 15 May 2020 19:31:18 +0000 From: Ioana Ciornei To: Jakub Kicinski CC: "davem@davemloft.net" , "netdev@vger.kernel.org" Subject: RE: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffic classes Thread-Topic: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffic classes Thread-Index: AQHWKulbmiq87o7Yx0yuJ8Tm2Q7xY6iphgOAgAACOEA= Date: Fri, 15 May 2020 19:31:18 +0000 Message-ID: References: <20200515184753.15080-1-ioana.ciornei@nxp.com> <20200515122035.0b95eff4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> In-Reply-To: <20200515122035.0b95eff4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; x-originating-ip: [86.121.118.29] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 16189941-9015-4d1d-bc66-08d7f9068a6a x-ms-traffictypediagnostic: VI1PR0402MB2894: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; 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x-ms-exchange-antispam-messagedata: sdVZmubAuL7uPBnFoClfxoBDinYclIymGhCo9ZBixFwMzyoi5FqPDho7FS2PMB2+P7L8ESPNsnYZzS3lAHmBkoV5LmxWkc+luqpk4vz8c8Pww7h5BWBDRy9nRo4NTFpuyeQ/UkpLj3txrkjUaAzziFkhoNJzI448jtOldj7VSUQqnPzeMWAQhNeYudWrzxpJDOh85gPoafzPCj6/+4aOjz+E3SiRKWWYyrXNB8sSLX66blustin0rdZ7KaUFEGxq9Epm2HSmRL6BZl7gSxa1Sunduewx2XN6+B9uvwlz0L7L+1yBwv73vXsyTp4uLFX7wIP29xiSkfGSJ5Jz5cPGhBaRnt2yAvqYJ/dq6P9b0KMYhEk1bDe84KDpIPa2lFeWE4OcRVE5bFt9BXSH7QMXUqZQR+C7p1spjwMwejl6zeAE1mF3b4icymvzpVd0UcQCcdBvYmgVU4PpJuxnBGL18gjd6rcxz1sNY050V+eIOcg= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 16189941-9015-4d1d-bc66-08d7f9068a6a X-MS-Exchange-CrossTenant-originalarrivaltime: 15 May 2020 19:31:18.2366 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 2TF3SEN5AWRHWL5LR70+pWpchbJWHQuFsk7dacdEFsAMEPGNXcSPCGZg1U5VlM06QaQhNQXMNtZpe9XHAKTqqQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR0402MB2894 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org > Subject: Re: [PATCH v2 net-next 0/7] dpaa2-eth: add support for Rx traffi= c > classes >=20 > On Fri, 15 May 2020 21:47:46 +0300 Ioana Ciornei wrote: > > This patch set adds support for Rx traffic classes on DPAA2 Ethernet > > devices. > > > > The first two patches make the necessary changes so that multiple > > traffic classes are configured and their statistics are displayed in > > the debugfs. The third patch adds a static distribution to said > > traffic classes based on the VLAN PCP field. > > > > The last patches add support for the congestion group taildrop > > mechanism that allows us to control the number of frames that can > > accumulate on a group of Rx frame queues belonging to the same traffic = class. >=20 > Ah, I miseed you already sent a v2. Same question applies: >=20 > > How is this configured from the user perspective? I looked through the > > patches and I see no information on how the input is taken from the > > user. There is no input taken from the user at the moment. The traffic class id i= s statically selected based on the VLAN PCP field. The configuration for th= is is added in patch 3/7. Ioana