From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from CH4PR04CU002.outbound.protection.outlook.com (mail-northcentralusazon11013056.outbound.protection.outlook.com [40.107.201.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C837B3176E0; Wed, 12 Nov 2025 12:12:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.201.56 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762949577; cv=fail; b=mzXU+8YhO7+FLHT93xYrIePZjKUJ/4V77+QNSVpFiU33rsIDBE+CRiIpBB4tFDeHWCBm83sJ/mzgEJWbVqeVbFvjuqzSqUdt+dPIPmjpu80H6dEwhAss3jHBO/7d7eRueOyxtcbCT2siiDSyuGDDLolKW54BWF1JfGUvdY2dGi8= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762949577; c=relaxed/simple; bh=3QCX3xpOpAtuqSv5jL82xR2YMZo3nMUTzE/3uRhkVZ8=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=neq8JSCnQ1pzGFFZCvuXn+K4ZwMo+VO6Vos6qqzU0fCZOD9ihEAXDWlE5y/XLtgg08zan+ck+FqogEpQe3YaWXMZSz3B9Ofte2dzb1pU8oyzvLrIXQbrFgUD5zXkoJ76t1bQDUqaF0ADTMwT9iOLqkQYJ6VKDoOU1yd8gqTP5uE= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=ff2O0KeH; arc=fail smtp.client-ip=40.107.201.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="ff2O0KeH" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=XNhykh/K31scJr0Xeo2uQwBIJMZav23Sw+HDiiHPoQF5dexiYqUFqxsGFfaKTkND0oCi0W7lboc6NwYBxY09lXGR12/+UKuBcHw4Fgoa9UqkukosNAIHXkze7fb7siN1RawwQWYyYFoPu9Yg6lJOWHbCljje0Hq9QdN9HXL04aX6df1hZmJO7stM9B1/MqeaX63qinFMQN9DP1OkXCizOSGDLS+8RJQTZiD5+ohlvcYOUlvvsVhZEWDnBeUdzCqyvhtbMka9zfR5ipkpnlewboog+QkSaAHtibHqanPiQxnavIFuj9YAxMzfPvo7rlSLh8b6KrssitDXLiFvAb7sCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=roz4TLf//9hbY+fQ0h5ew8qbVt1wKQ6zi7dge/IokNQ=; b=j/r/eIzA7fGi38UF7vd/pJRlSq9QDvf5UVxKi3UwWZKKubq77sakYUB93l04AH7qlJ118reCMNrJN65qlOLDESCCHzdi1kSsj4RKqkN23Qpsf8YvOLa2eQCD7lPZPrz7ukzKzo1yANzNeYfs871zLU3LD0pGO8R9oXdlVppCLWLkkytDg6L6PrsQesQIY22nQc0Z5GqBaFkZwVrJ6mCFwJWgga1r80MhrgaPWLU2n4pGaQ09IxDI6faY4lzy4GZk5vrLKBf/bY5Di01bO+mYgh1Tqv91MBe3RikDVJAGBixqzqB/ADArzwRxxbX03OO45+l0b00EtDxwwUa+azguig== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.21.194) smtp.rcpttodomain=lists.linaro.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=roz4TLf//9hbY+fQ0h5ew8qbVt1wKQ6zi7dge/IokNQ=; b=ff2O0KeHOZ4k52cpw7UtMYKM9seEh1/aaxn+AtFKqhYKcE7n6O6M4r1JFjJ69I8BR1hyu5rupHKKoVKpk3JoxK2bsEYTGMy98Y9mssXfvbawmPH9L5Qf173uQopg12TdPxhOTsRy8okN+anbgRvU1CQNNUR3Kf6Kx0J6u2fuydQ= Received: from SN6PR08CA0029.namprd08.prod.outlook.com (2603:10b6:805:66::42) by CO1PR10MB4724.namprd10.prod.outlook.com (2603:10b6:303:96::22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.16; Wed, 12 Nov 2025 12:12:52 +0000 Received: from SN1PEPF0002BA50.namprd03.prod.outlook.com (2603:10b6:805:66:cafe::6f) by SN6PR08CA0029.outlook.office365.com (2603:10b6:805:66::42) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9298.16 via Frontend Transport; Wed, 12 Nov 2025 12:12:52 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.21.194) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.21.194 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.21.194; helo=flwvzet200.ext.ti.com; pr=C Received: from flwvzet200.ext.ti.com (198.47.21.194) by SN1PEPF0002BA50.mail.protection.outlook.com (10.167.242.73) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9320.13 via Frontend Transport; Wed, 12 Nov 2025 12:12:51 +0000 Received: from DFLE205.ent.ti.com (10.64.6.63) by flwvzet200.ext.ti.com (10.248.192.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 12 Nov 2025 06:12:45 -0600 Received: from DFLE212.ent.ti.com (10.64.6.70) by DFLE205.ent.ti.com (10.64.6.63) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Wed, 12 Nov 2025 06:12:44 -0600 Received: from lelvem-mr06.itg.ti.com (10.180.75.8) by DFLE212.ent.ti.com (10.64.6.70) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Wed, 12 Nov 2025 06:12:44 -0600 Received: from [172.24.231.164] (chintan-thinkstation-p360-tower.dhcp.ti.com [172.24.231.164]) by lelvem-mr06.itg.ti.com (8.18.1/8.18.1) with ESMTP id 5ACCCc4v2661507; Wed, 12 Nov 2025 06:12:39 -0600 Message-ID: <6eb4e9c0-debe-4643-a5b6-bd5ef0f72070@ti.com> Date: Wed, 12 Nov 2025 17:42:38 +0530 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next v2 0/7] net: ethernet: ti: am65-cpsw: add AF_XDP zero copy support To: Jakub Kicinski , Roger Quadros CC: Siddharth Vadapalli , Andrew Lunn , "David S. Miller" , "Eric Dumazet" , Paolo Abeni , "Alexei Starovoitov" , Daniel Borkmann , "Jesper Dangaard Brouer" , John Fastabend , Sumit Semwal , =?UTF-8?Q?Christian_K=C3=B6nig?= , Stanislav Fomichev , "Simon Horman" , , Meghana Malladi , , , , , , References: <20251109-am65-cpsw-xdp-zc-v2-0-858f60a09d12@kernel.org> <20251111171848.1a4c8c03@kernel.org> Content-Language: en-US From: Chintan Vankar In-Reply-To: <20251111171848.1a4c8c03@kernel.org> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA50:EE_|CO1PR10MB4724:EE_ X-MS-Office365-Filtering-Correlation-Id: 4b88ebc5-613f-45a6-a1c5-08de21e4cd3a X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|82310400026|36860700013|7416014|376014; X-Microsoft-Antispam-Message-Info: =?utf-8?B?MzVrTmNxeFlKOXZXS0dvaDhpYXBCZklXWXhiblEvSEpieHpkakVoNUVZYW5X?= =?utf-8?B?a25mM1JUbWptNHEzOTI5bytqMnhGMjMyamlUTVd3VmJWc2RYUjNIbU1GaTcv?= =?utf-8?B?MVNyb2c2YkRzeDN4NUxMK1VJK0lsWlVhVWNvd09iNXQzV3Y3NUVtL1Fxdy9R?= =?utf-8?B?enVocEJjZ1NmY0Z6TmpMZithb3paN1dRTlNKWlErL1pKWFpWUDFuU25tdlVw?= =?utf-8?B?enZRUU9DdkFoVCtvblZFOTlkLzZ6cUVsODFwQUpmR1RUazZodjF1b29GTm8y?= =?utf-8?B?VElnaTN2UXFrNkxia3RFZXZIQXljdmVBT0FhalhwdUZEZDdBMm1USDFpZkth?= =?utf-8?B?NU5GMkN0QWhiNm5kSVhpOGdsZloybmRac2ttZldGWnBWUjZNZ3NsRVRNc1hJ?= =?utf-8?B?eGZBNEVsRGJqM3gydll4UWRNYlNnbWJqcnl1UHQ2aXhBVzJtL29ST3RYUUtE?= =?utf-8?B?dXdWSzQyaXNGTWNIMkdQWExDL2xtWmxtVEVQWUFmSVdUbEk5amhWUmcxd2Mw?= =?utf-8?B?SHN5dDNoWUY3SzNlV1ZDaUU2OUIwQ3RyeC8yeXUrQ3haczRHc1ljaXNtb1F0?= =?utf-8?B?dE8xTytOSStlVWdqRG1VQm9OOUFGakUwclV1Y3pGcGF1OU9ZS0dvQlEzdWZG?= =?utf-8?B?SWsvaXZnK2NKaUVZM21HMjJ3VEFRS0dWd2pRMEltMTcwT1FnNmVhMkRKbDNy?= =?utf-8?B?NW5HYitLQm9sWlQ4VTdubCtTYm5EVllMYVlMYURGaEVLT3hXN1dnTTBuS3Zi?= =?utf-8?B?TVJQYUhHQnhWWGdwTHovSFJTUmNTWTRBN2NjTkdwWSt5ZXBiUDJ2NkNFRUtG?= =?utf-8?B?aDhYZnZkQjFIazdXeVpqZEE0U1ZXMUZLWE5rd2xiSzE3MmtOciswNG9nSVFZ?= =?utf-8?B?N0hvdGlsTll5M0tGL1BxamVTYU5YTUdoNWhxaE0yS1NUUG94b2hzZytrVmxw?= =?utf-8?B?NE5YZ29JZkphRjJlUnFQQUxxZkNSZWphTUY3djF3VmgyTTR0OGEvRHl4VzRw?= =?utf-8?B?T1lybTgvcTB0Vmd4RmZGZUdXSjZXZ2ZFdHBTZis2clZCOXBhekxVMnV1a1V0?= =?utf-8?B?a3pKTmJLNS9aallqK1hIYmdBNUFGN3l6dEM4Nkl4aTBzZTdWSDNNeVl1amlF?= =?utf-8?B?Rm9mbFFpMlpOdU9xc3BEWlB5ZjJEUlZQUVBaY0E5K2t3bGFIM0xqTm9KbEp6?= =?utf-8?B?cS9vWGdTcVJ1OVdCZGRrSFNyZm9uSW92NmNkTGthcXcvWDZoRXI0dFJlZmZ0?= =?utf-8?B?WjhqRWZjL2hhTTcrcUkwT2E3UlNYTk5WMzAycGc1cG9Qcy9ndDdLQkJpZWFE?= =?utf-8?B?UnZuOW40aEZIeHRMa3RzUWMxR1N1c1lqTFZobU5tdFE1WGpkdU05WFN5TmpV?= =?utf-8?B?KzdXcStLdm9BZ3FmVGZ4UTlNa3BWanBvVjVIUVZqN3JRVkRSbkRFNm1aRFM3?= =?utf-8?B?TDZsODc5TW9CSnVlNTY0ZkVNdEVrWjVPY1BDbGRoRjlPQ2xOcW1aMFpOYTZG?= =?utf-8?B?SmVpMVdWNzBqeUpZWUd0bVVtb2FOanRmcjVoOXZnRjRaSkRJdXduQnpwYTM2?= =?utf-8?B?VVRCWTdsKzIwSHYyM1JTZXZWZ0NxZFpjT1ZFK1h0azlpVTRSbkI2ZWc3T3hG?= =?utf-8?B?bVZHc1lQY2JoeEFWUXgraEFMcU1SOE9SUldOMmI3NXlRclBiYWxZbC91anpz?= =?utf-8?B?WmFXaUh6SzlWdnNwT1dMT3dNSXN3b21FdGNoK2lrYlN0RmRYTU9uZ2xOK0ZR?= =?utf-8?B?Z0cxMWxKdFFqTmN2eFVVN1lQdWhDRk9hWnZMUFlSNitOcXU2TmJSWEVpbE9O?= =?utf-8?B?cXp6TVFPc2ZKclhpYmcveXFRWnU5c2FJcVhWVWtQRjhtTnlndlBSa3cyN05Y?= =?utf-8?B?RHZIQ292VWhhaElGeHM5UG5LSWxKTmlMTDJDZUgxeFlFZTV1OFZ2RC9GYlZx?= =?utf-8?B?YVZmaHkrU2ovZEI3SXlwbWJuK0FKVWI1emgxOGd4YjhMMEdVdmtLNTQ2Vzla?= =?utf-8?B?Uk5JQkVHYWNlL1RlaTVYcTZ0MDlHT1FxRldZRVR2N0M5Ukx1dzVqR0VZTEp5?= =?utf-8?B?U1FYelNaN0FGSnRjMlVnSGdXMCtQc293NmlCYi80NTRYVHJ3Zkx6Y2ZKYUdo?= =?utf-8?Q?oPGY=3D?= X-Forefront-Antispam-Report: CIP:198.47.21.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:flwvzet200.ext.ti.com;PTR:ErrorRetry;CAT:NONE;SFS:(13230040)(1800799024)(82310400026)(36860700013)(7416014)(376014);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Nov 2025 12:12:51.2090 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 4b88ebc5-613f-45a6-a1c5-08de21e4cd3a X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.21.194];Helo=[flwvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002BA50.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CO1PR10MB4724 Hello Jakub, On 12/11/25 06:48, Jakub Kicinski wrote: > On Sun, 09 Nov 2025 23:37:50 +0200 Roger Quadros wrote: >> This series adds AF_XDP zero coppy support to am65-cpsw driver. >> >> Tests were performed on AM62x-sk with xdpsock application [1]. >> >> A clear improvement is seen in 64 byte packets on Transmit (txonly) >> and receive (rxdrop). >> 1500 byte test seems to be limited by line rate (1G link) so no >> improvement seen there in packet rate. A test on higher speed link >> (or PHY-less setup) might be worthwile. >> >> There is some issue during l2fwd with 64 byte packets and benchmark >> results show 0. This issue needs to be debugged further. >> A 512 byte l2fwd test result has been added to compare instead. > > It appears that the drivers/net/ethernet/ti/am65-* files do not fall > under any MAINTAINERS entry. Please add one or extend the existing CPSW > entry as the first patch of the series. > I am mainly working on am65-cpsw-nuss.c driver and volunteering myself to be the MAINTAINER of am65-cpsw-nuss.c and other CPSW drivers. Regards, Chintan.