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Tue, 26 Apr 2022 22:56:35 +0100 Message-ID: Date: Tue, 26 Apr 2022 22:56:35 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [Patch v2] net/netvsc: fix the calculation of checksums based on mbuf flag Content-Language: en-US To: , , Stephen Hemminger CC: Long Li , References: <1648143968-17947-1-git-send-email-longli@linuxonhyperv.com> From: Ferruh Yigit In-Reply-To: <1648143968-17947-1-git-send-email-longli@linuxonhyperv.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a1c478c5-741b-428c-19f0-08da27cfa2d4 X-MS-TrafficTypeDiagnostic: CH0PR02MB8290:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.80.198; CTRY:IE; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:xir-pvapexch02.xlnx.xilinx.com; PTR:unknown-80-198.xilinx.com; CAT:NONE; SFS:(13230001)(4636009)(36840700001)(46966006)(40470700004)(45080400002)(2616005)(9786002)(53546011)(336012)(2906002)(44832011)(40460700003)(26005)(4744005)(36860700001)(31696002)(356005)(5660300002)(508600001)(47076005)(8936002)(426003)(82310400005)(7636003)(186003)(70586007)(8676002)(110136005)(54906003)(316002)(31686004)(36756003)(4326008)(70206006)(50156003)(43740500002); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 26 Apr 2022 21:56:36.8150 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: a1c478c5-741b-428c-19f0-08da27cfa2d4 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.80.198]; Helo=[xir-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: BN1NAM02FT038.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR02MB8290 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: stable-bounces@dpdk.org On 3/24/2022 5:46 PM, longli@linuxonhyperv.com wrote: > From: Long Li > > The netvsc should use RTE_MBUF_F_TX_L4_MASK and check the masked value to > decide the correct way to calculate checksums. > > Not checking for RTE_MBUF_F_TX_L4_MASK results in incorrect RNDIS packets > sent to VSP and incorrect checksums calculated by the VSP. > > Fixes: 4e9c73e96e ("net/netvsc: add Hyper-V network device") > Cc: stable@dpdk.org > Signed-off-by: Long Li Reviewed-by: Ferruh Yigit Moving ack from previous version: Acked-by: Stephen Hemminger Applied to dpdk-next-net/main, thanks.