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dkim=none (message not signed) header.d=none;dmarc=bestguesspass action=none header.from=nvidia.com; Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 12.22.5.234 as permitted sender) receiver=protection.outlook.com; client-ip=12.22.5.234; helo=mail.nvidia.com; pr=C Received: from mail.nvidia.com (12.22.5.234) by CO1NAM11FT093.mail.protection.outlook.com (10.13.175.59) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.20.5566.15 via Frontend Transport; Thu, 25 Aug 2022 12:39:00 +0000 Received: from rnnvmail201.nvidia.com (10.129.68.8) by DRHQMAIL101.nvidia.com (10.27.9.10) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Thu, 25 Aug 2022 12:39:00 +0000 Received: from nvidia.com (10.126.230.35) by rnnvmail201.nvidia.com (10.129.68.8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Thu, 25 Aug 2022 05:38:56 -0700 From: Gavin Li To: , , , , , , , , , , , CC: , Subject: [PATCH RESEND v2 0/2] Improve virtio performance for 9k mtu Date: Thu, 25 Aug 2022 15:38:38 +0300 Message-ID: <20220825123840.20239-1-gavinl@nvidia.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.126.230.35] X-ClientProxiedBy: rnnvmail202.nvidia.com (10.129.68.7) To rnnvmail201.nvidia.com (10.129.68.8) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8367ea30-fb94-48d3-f7b5-08da8696c989 X-MS-TrafficTypeDiagnostic: DM5PR12MB1947:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Aug 2022 12:39:00.9575 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 8367ea30-fb94-48d3-f7b5-08da8696c989 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: CO1NAM11FT093.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR12MB1947 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org This small series contains two patches that improves virtio netdevice performance for 9K mtu when GRO/ guest TSO is disabled. Gavin Li (2): virtio-net: introduce and use helper function for guest gso support checks virtio-net: use mtu size as buffer length for big packets drivers/net/virtio_net.c | 52 +++++++++++++++++++++++++++------------- 1 file changed, 36 insertions(+), 16 deletions(-) -- 2.31.1