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Miller" , Jakub Kicinski , Claudiu Manoil , Alexandre Belloni , Antoine Tenart , "UNGLinuxDriver@microchip.com" , Andrew Lunn , Vivien Didelot , Florian Fainelli , Xiaoliang Yang , "Y.B. Lu" , Rui Sousa , "Allan W . Nielsen" Subject: Re: [PATCH net-next 4/4] net: mscc: ocelot: set up traps for PTP packets Thread-Topic: [PATCH net-next 4/4] net: mscc: ocelot: set up traps for PTP packets Thread-Index: AQHX4lM42QuMRV/jlUGB3MXS4i2cH6wWCRqAgAAArQCAAAHogIAAAP+A Date: Fri, 26 Nov 2021 17:11:36 +0000 Message-ID: <20211126171135.uvmlfmtf73zncpap@skbuf> References: <20211125232118.2644060-1-vladimir.oltean@nxp.com> <20211125232118.2644060-5-vladimir.oltean@nxp.com> <20211126165847.GD27081@hoboy.vegasvil.org> <20211126170112.cw53nmeb6usv63bl@skbuf> <20211126170801.GF27081@hoboy.vegasvil.org> In-Reply-To: <20211126170801.GF27081@hoboy.vegasvil.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: f5c334f6-fa40-42c4-1328-08d9b0ffcdce x-ms-traffictypediagnostic: VI1PR04MB4813: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:6790; 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charset="us-ascii" Content-ID: Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: VI1PR04MB5136.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f5c334f6-fa40-42c4-1328-08d9b0ffcdce X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Nov 2021 17:11:36.3900 (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: r567I6QgvVQ+4iPT5JY7Ob6Ys/QtKA3N192rJzI20zZkW36rgzMJg6ypcCI0HBorjN+NjM9OFqIlKjNpoHfE7w== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB4813 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Fri, Nov 26, 2021 at 09:08:01AM -0800, Richard Cochran wrote: > On Fri, Nov 26, 2021 at 05:01:13PM +0000, Vladimir Oltean wrote: >=20 > > This, to me, sounds more like the bridge trapping the packets on br0 > > instead of letting them flow on the port netdevices, which is solved by > > some netfilter rules? Or is it really a driver/hardware issue? > >=20 > > https://lore.kernel.org/netdev/20211116102138.26vkpeh23el6akya@skbuf/ >=20 > Yeah, thanks for the link. I had seen it, but alas it came too late > for me to try on actual working HW. Maybe it fixes the issue. >=20 > If someone out there has a Marvell switch, please try it and let us > know... On the NXP LS1028A, PTP over IP, under a bridge, works with netfilter rules= . I have a Marvell 6390 switch which supposedly supports timestamping, but I never got that to work, not even L2, and never had the time to sit down with it and figure out what's wrong. I think I saw a discussion initiated by George McCollister saying the same thing.=